.user-message-actions {
    margin-top: 0.35rem;
    display: flex;
    gap: 0.35rem;
}

.user-edit-wrapper {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-edit-textarea {
    width: 100%;
    min-height: 80px;
    resize: vertical;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
}

.user-edit-actions {
    display: flex;
    gap: 0.5rem;
}

.user-edit-actions .btn-save,
.user-edit-actions .btn-cancel {
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 8px;
    padding: 6px 10px;
    cursor: pointer;
    font-size: 0.85rem;
}

.user-edit-actions .btn-save:hover { background: var(--primary-color); color: #fff; border-color: transparent; }
.user-edit-actions .btn-cancel:hover { background: var(--bg-tertiary); color: var(--text-primary); }
/* Citações / Fontes abaixo da resposta */
.citations-container {
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px dashed var(--border-color);
}

.citations-header {
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.citations-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.citation-item {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.85rem;
}

.citation-item:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.citation-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}
.citation-badge.web { background: rgba(59,130,246,0.12); color: #3b82f6; border-color: rgba(59,130,246,0.25); }
.citation-badge.fixa { background: rgba(99,102,241,0.12); color: #6366f1; border-color: rgba(99,102,241,0.25); }
/* Conteúdo colapsável em respostas longas */
.collapsible-wrapper {
    overflow: hidden;
    transition: max-height 0.25s ease;
    position: relative;
}

.collapsible-wrapper:not(.expanded)::after {
    content: '';
    position: absolute;
    left: 0; right: 0; bottom: 0;
    height: 48px;
    background: linear-gradient(to bottom, rgba(0,0,0,0), var(--bg-primary));
}

.collapsible-toggle {
    margin-top: 0.5rem;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 10px;
    font-size: 0.85rem;
    cursor: pointer;
}

.collapsible-toggle:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}
/* ===== CSS VARIABLES ===== */
:root {
    /* Colors */
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    --error-color: #ef4444;
    
    /* Background colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --error-bg: #fef2f2;
    --success-bg: #f0fdf4;
    
    /* Text colors */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    
    /* Border colors */
    --border-color: #e5e7eb;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    
    /* Transitions */
    --transition: all 0.2s ease-in-out;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --border-light: #cbd5e1;
    --error-bg: #fef2f2;
    --success-bg: #f0fdf4;
}

/* Force light theme styles */
[data-theme="light"] body {
    background-color: #ffffff !important;
    color: #1e293b !important;
}

[data-theme="light"] .sidebar {
    background-color: #f8fafc !important;
    border-right: 1px solid #e2e8f0 !important;
}

[data-theme="light"] .chat-area {
    background-color: #ffffff !important;
}

[data-theme="light"] .message {
    background-color: #f8fafc !important;
    color: #1e293b !important;
}

/* Chat: remover cartão de fundo no tema claro (mantém apenas a bolha) */
[data-theme="light"] .chat-messages .message,
[data-theme="light"] #chatMessages .message {
    background: transparent !important;
    box-shadow: none !important;
    border: 0 !important;
    padding: 0 !important;
    margin: 0.25rem 0 !important;
}

[data-theme="light"] .message.user {
    background-color: #3b82f6 !important;
    color: #ffffff !important;
}

[data-theme="light"] .message-bubble {
    box-shadow: none !important;
    filter: none !important;
}

[data-theme="light"] .message.assistant .message-bubble {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: none !important;
    filter: none !important;
}

[data-theme="light"] .message.assistant.typing .message-bubble {
    background: #ffffff !important;
    border: 1px solid #e2e8f0 !important;
    box-shadow: none !important;
    filter: none !important;
}

/* Força remoção de sombra em todos os elementos de mensagem no tema claro */
[data-theme="light"] .message * {
    box-shadow: none !important;
    filter: none !important;
}

/* Estilo mais específico para forçar remoção de sombra */
[data-theme="light"] .message.assistant .message-bubble,
[data-theme="light"] .message.assistant.typing .message-bubble,
[data-theme="light"] .message-bubble {
    box-shadow: none !important;
    filter: none !important;
    text-shadow: none !important;
    -webkit-box-shadow: none !important;
    -moz-box-shadow: none !important;
}

/* ===== DARK THEME ===== */
[data-theme="dark"] {
    --text-primary: #f9fafb;
    --text-secondary: #d1d5db;
    --text-muted: #9ca3af;
    --bg-primary: #111827;
    --bg-secondary: #1f2937;
    --bg-tertiary: #374151;
    --border-color: #4b5563;
    --border-light: #6b7280;
    --error-bg: #450a0a;
    --success-bg: #064e3b;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== USER MENU FIXED ===== */
.user-menu-fixed {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    padding: 8px 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

/* ===== MESSAGE STYLES ===== */
.success-message {
    background: #d4edda;
    color: #155724;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #c3e6cb;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    border: 1px solid #f5c6cb;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

[data-theme="dark"] .user-menu-fixed {
    background: rgba(17, 24, 39, 0.95);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ===== TOP NAVBAR ===== */
.top-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: all 0.3s ease;
}

.top-navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .top-navbar {
    background: rgba(17, 24, 39, 0.95);
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .top-navbar.scrolled {
    background: rgba(17, 24, 39, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.navbar-left {
    display: flex;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar-logo:hover {
    color: var(--primary-dark);
}

.navbar-logo i {
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-center {
    display: flex;
    align-items: center;
}

.navbar-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.navbar-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-buttons {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.btn {
    padding: 0.625rem 1.25rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4);
}

/* User Menu */
.user-menu {
    position: relative;
    display: flex;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.3s ease;
}

.user-info:hover {
    background: var(--bg-tertiary);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    min-width: 200px;
    z-index: 1000;
    display: none;
    margin-top: 0.5rem;
    overflow: hidden;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: background 0.3s ease;
    font-size: 0.875rem;
}

.dropdown-item:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

.dropdown-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 0.5rem 0;
}

/* Auth Modal */
.auth-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    backdrop-filter: blur(5px);
    align-items: center;
    justify-content: center;
}

.auth-modal-content {
    background: var(--bg-primary);
    border-radius: 20px;
    padding: 0;
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.auth-modal-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.close-auth-modal {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-auth-modal:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.auth-modal-body {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: border-color 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-form-toggle {
    text-align: center;
    margin-top: 1.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.auth-form-toggle a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-form-toggle a:hover {
    text-decoration: underline;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Success/Error Messages */
.message {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.message.success {
    background: var(--success-bg);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.message.error {
    background: var(--error-bg);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* ===== HEADER ===== */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 2rem;
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

[data-theme="dark"] .header {
    background: rgba(17, 24, 39, 0.95);
}

.header-left {
    display: flex;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.logo i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
}

.mode-selector {
    display: flex;
    gap: 0.5rem;
    background: var(--bg-tertiary);
    padding: 0.25rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 500;
}

.mode-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.mode-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
}

.mode-btn i {
    font-size: 1rem;
}

/* ===== MODE DROPDOWN ===== */
.mode-dropdown {
    position: relative;
    width: 100%;
}

.mode-dropdown-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
}

.mode-dropdown-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.mode-dropdown-selected {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mode-dropdown-btn i.fa-chevron-down {
    font-size: 0.75rem;
    transition: var(--transition);
}

.mode-dropdown.active .mode-dropdown-btn i.fa-chevron-down {
    transform: rotate(180deg);
}

.mode-dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    margin-top: 0.25rem;
}

.mode-dropdown.active .mode-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mode-dropdown-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mode-option {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 1px solid var(--border-color);
}

.mode-option:last-child {
    border-bottom: none;
}

.mode-option:hover {
    background: var(--bg-tertiary);
}

.mode-option.selected {
    background: var(--primary-color);
    color: white;
}

.mode-option.selected .mode-option-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.mode-option-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mode-option-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    font-size: 0.875rem;
}

.mode-option-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-left: 1.5rem;
}

.mode-option-check {
    font-size: 0.875rem;
    opacity: 0;
    transition: var(--transition);
}

.mode-option.selected .mode-option-check {
    opacity: 1;
}



.knowledge-btn,
.script-generator-btn,
.user-profile-btn,
.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.knowledge-btn:hover,
.script-generator-btn:hover,
.user-profile-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.logout-btn:hover {
    background: #fee2e2;
    border-color: #ef4444;
    color: #dc2626;
}

.knowledge-btn i,
.script-generator-btn i,
.user-profile-btn i,
.logout-btn i {
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.knowledge-btn:hover i,
.script-generator-btn:hover i,
.user-profile-btn:hover i {
    color: var(--primary-color);
}

.logout-btn:hover i {
    color: #dc2626;
}

/* ===== KNOWLEDGE MODAL ===== */
.knowledge-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    backdrop-filter: none; /* Remove o blur */
}

.knowledge-modal-content {
    background: white;
    border-radius: 16px;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    border: 1px solid #e1e5e9;
}

/* Script targets */
.script-target {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 10px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: var(--bg-primary);
    cursor: pointer;
}
.script-target.enabled:hover { border-color: var(--primary-color); box-shadow: var(--shadow-sm); }
.script-target.disabled { opacity: .6; cursor: not-allowed; position: relative; }
.script-target.disabled small { color: var(--text-muted); font-size: .7rem; }

/* Dark theme styles for script targets */
[data-theme="dark"] .script-target i {
    color: var(--text-primary);
}

[data-theme="dark"] .script-target span {
    color: var(--text-primary);
}

[data-theme="dark"] .script-target small {
    color: var(--text-secondary);
}

/* Remove o blur do body quando o modal está aberto */
body.modal-open {
    overflow: hidden;
    backdrop-filter: none;
}

.knowledge-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.knowledge-modal-header h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
}

.knowledge-modal-header i {
    color: var(--primary-color);
}

.knowledge-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.knowledge-modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.knowledge-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.knowledge-section {
    margin-bottom: 2rem;
}

.knowledge-section:last-child {
    margin-bottom: 0;
}

.knowledge-section h4 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.knowledge-section p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.knowledge-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
}

.knowledge-upload-area:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
}

.knowledge-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.knowledge-upload-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.knowledge-file-list {
    margin-top: 1rem;
}

.knowledge-file-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

.knowledge-file-item i {
    color: var(--primary-color);
}

.knowledge-file-item span {
    flex: 1;
    font-size: 0.875rem;
}

.knowledge-file-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.knowledge-file-remove:hover {
    background: var(--danger-color);
    color: white;
}

.knowledge-documents {
    max-height: 200px;
    overflow-y: auto;
}

.knowledge-document-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.knowledge-document-item:hover {
    background: var(--bg-tertiary);
}

.knowledge-document-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.knowledge-document-item span {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.knowledge-remove-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.knowledge-remove-btn:hover {
    background: var(--danger-color);
    color: white;
}

.knowledge-modal-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.knowledge-save-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.knowledge-save-btn:hover {
    background: #059669;
    transform: translateY(-1px);
}

.knowledge-upload-save-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.knowledge-upload-save-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.knowledge-clear-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.knowledge-clear-btn:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.loading-documents {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.loading-documents i {
    color: var(--primary-color);
}

.no-documents {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

.knowledge-file-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    border: 1px solid var(--border-color);
}

.knowledge-file-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.knowledge-file-item span {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.knowledge-file-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.knowledge-file-remove:hover {
    background: var(--danger-color);
    color: white;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: none;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
}

.settings-btn-fixed {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.settings-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-btn-fixed:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.settings-btn-fixed.active {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.sidebar-btn-fixed {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(10px);
}

.sidebar-btn-fixed:hover {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.sidebar-btn-fixed.active {
    background: var(--primary-color);
    color: white;
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ===== MAIN CONTAINER ===== */
.main-container {
    display: block;
    height: 100vh;
    overflow: hidden;
}

/* ===== SIDEBAR ===== */
/* Sidebar styles moved to new section above */

/* Sidebar header styles moved to new section above */

.new-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.new-chat-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.new-chat-btn i {
    color: var(--text-secondary);
    transition: var(--transition);
}

.new-chat-btn:hover i {
    color: var(--primary-color);
}

.sidebar-section {
    padding: 1.5rem;
}

.sidebar-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}


.chat-history {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.chat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
}

/* (removidos estilos de busca e grupos do histórico a pedido) */

.chat-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.chat-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.chat-item.active .chat-title {
    color: white;
}

.chat-item.active .chat-meta {
    color: rgba(255, 255, 255, 0.8);
}

.chat-item.active .chat-mode {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.chat-item.active .delete-chat-btn {
    color: rgba(255, 255, 255, 0.8);
}

.chat-item.active .delete-chat-btn:hover {
    background: var(--danger-color);
    color: white;
}

.chat-item-content {
    flex: 1;
    min-width: 0;
}

.chat-title {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.chat-meta {
    display: flex;
    gap: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.chat-mode {
    background: var(--primary-color);
    color: white;
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.625rem;
    font-weight: 500;
}

.chat-time {
    color: var(--text-muted);
}

.delete-chat-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    opacity: 0;
}

.chat-item:hover .delete-chat-btn {
    opacity: 1;
}

.delete-chat-btn:hover {
    background: var(--danger-color);
    color: white;
}

.no-chats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem 1rem;
    color: var(--text-muted);
    text-align: center;
}

.no-chats i {
    font-size: 2rem;
    opacity: 0.5;
}

.no-chats span {
    font-size: 0.875rem;
}

.processed-files {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.file-item:hover {
    background: var(--bg-tertiary);
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
}

.file-name {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

.file-time {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.file-type {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
}

.file-type.user {
    background: var(--primary-color);
    color: white;
}

.file-type.fixed {
    background: var(--secondary-color);
    color: white;
}

.delete-file-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.delete-file-btn:hover {
    background: #ef4444;
    color: white;
}

.no-files {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 2rem;
    color: var(--text-muted);
    text-align: center;
}

.no-files i {
    font-size: 2rem;
    opacity: 0.5;
}

.system-status {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.status-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.status-item i {
    font-size: 1rem;
    color: var(--text-secondary);
}

.status-item span {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #10b981;
    transition: var(--transition);
}

.status-indicator.offline {
    background: #ef4444;
}

.status-indicator.online {
    background: #10b981;
}

.sidebar-footer {
    padding: 1.5rem;
    margin-top: auto;
}

.clear-data-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.clear-data-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.clear-data-btn i {
    color: var(--text-secondary);
    transition: var(--transition);
}

.clear-data-btn:hover i {
    color: var(--primary-color);
}

/* ===== MAIN CONTENT ===== */
.main-content {
    width: 100%;
    height: calc(100vh - 70px); /* Subtract navbar height */
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.welcome-screen {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    overflow-y: auto;
}

.welcome-content {
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.welcome-header {
    margin-bottom: 3rem;
}

.welcome-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.welcome-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.suggestion-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.suggestion-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.suggestion-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
    z-index: 0;
}

.suggestion-card:hover::before {
    opacity: 0.05;
}

.suggestion-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.suggestion-card > * {
    position: relative;
    z-index: 1;
}

.suggestion-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.suggestion-card:hover i {
    transform: scale(1.1);
}

.suggestion-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.suggestion-card p {
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ===== CHAT AREA ===== */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    padding: 0.75rem 4rem 0.75rem 0.75rem; /* compacto, conserva espaço do botão */
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem; /* mensagens bem próximas */
}

.message {
    display: flex;
    max-width: 100%;
    animation: messageIn 180ms ease-out;
    justify-content: center;
}

@keyframes messageIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.message.user {
    justify-content: flex-end;
}

.message.assistant {
    justify-content: flex-start;
}

.message-avatar {
    display: none; /* Remove avatars for cleaner look */
}



.message-bubble {
    max-width: min(650px, 75%);
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    position: relative;
    line-height: 1.5;
    margin: 0.25rem 0;
}



.message.user .message-bubble {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: #ffffff;
    border-radius: 1rem;
}

.message.assistant .message-bubble {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
}

/* Live thoughts bar (Gemini/ChatGPT style) */
.live-thoughts {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.25rem;
    margin: 0 0 0.25rem 0; /* remove bloco chamativo */
    border-radius: 0.5rem;
    background: transparent; /* sem fundo destacado */
    border: none; /* sem borda */
}

.live-thoughts .spinner {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
    opacity: 0.8;
}

.live-thoughts .text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.live-thoughts.done { background: transparent; border: none; }

[data-theme="dark"] .message.assistant .message-bubble {
    background: var(--bg-secondary);
}

[data-theme="dark"] .steps-box {
    background: linear-gradient(135deg, var(--bg-tertiary), var(--bg-secondary));
}

[data-theme="dark"] .step-item {
    background: var(--bg-secondary);
}

[data-theme="dark"] .step-snippet {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .step-snippet:hover {
    background: var(--bg-secondary);
}

/* Bolha de digitação (typing) do assistente */
.message.assistant.typing .message-bubble {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.typing-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* Indicador de digitação com pontos animados */
.typing-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
}

.typing-dots {
    display: flex;
    gap: 0.25rem;
}

.typing-dots span {
    width: 0.5rem;
    height: 0.5rem;
    background: var(--primary-color);
    border-radius: 50%;
    animation: typingDot 1.4s infinite ease-in-out;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typingDot {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

.message-content {
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.5;
    font-size: 0.95rem;
}

.message-content p {
    margin: 0.4rem 0; /* mais compacto */
}

.message-content p:first-child {
    margin-top: 0;
}

.message-content p:last-child {
    margin-bottom: 0;
}

.message-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.message-content em {
    font-style: italic;
    color: var(--text-secondary);
}

.message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
}

.message.assistant .message-content code {
    background: var(--bg-tertiary);
}

/* Enhanced code block styling */
.code-block-enhanced {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin: 1rem 0;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    transition: var(--transition);
    position: relative;
}

.code-block-enhanced:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-1px);
}

/* Legacy code block styling */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    margin: 1rem 0;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.code-block-enhanced .code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.625rem 0.875rem;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-primary);
}

.code-block-header .code-language {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.code-block-header .code-language i {
    color: var(--primary-color);
    font-size: 1rem;
}

.code-block-header .code-language span {
    font-weight: 600;
    letter-spacing: 0.025em;
}

.code-block-header .code-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.code-copy-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.375rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.code-copy-btn:hover {
    background: var(--bg-secondary);
    color: var(--primary-color);
    transform: scale(1.05);
}

.code-block-enhanced .code-block-content {
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--text-primary);
    overflow-x: auto;
    background: var(--bg-primary);
    border-radius: 0 0 0.75rem 0.75rem;
}

.code-block-enhanced .code-block-content pre {
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    white-space: pre;
    overflow-x: auto;
}

.code-block-enhanced .code-block-content code {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background: none;
    padding: 0;
    border-radius: 0;
    display: block;
}

.code-block-content {
    padding: 0.875rem 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-primary);
    overflow-x: auto;
    background: var(--bg-primary);
}

.code-block-content pre {
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    white-space: pre;
}

.code-block-content code {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background: none;
    padding: 0;
    border-radius: 0;
}

/* Inline code styling */
.inline-code {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.1rem 0.35rem;
    border-radius: 0.375rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.85em;
    border: 1px solid var(--border-color);
}

/* Estilos para tabelas (estilo pandas) */
.message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.875rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    table-layout: fixed; /* Força distribuição uniforme das colunas */
}

/* Professional data-table enhancements */
.message-content .table-container {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    box-shadow: var(--shadow-sm);
    margin: 1rem 0;
    position: relative;
    transition: var(--transition);
}

.message-content .table-container:hover {
    box-shadow: var(--shadow-md);
}

/* Scrollbar styling for table containers */
.message-content .table-container::-webkit-scrollbar {
    height: 8px;
}

.message-content .table-container::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

.message-content .table-container::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

.message-content .table-container::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.message-content table.data-table {
    border-collapse: separate;
    border-spacing: 0;
    margin: 0;
    min-width: 100%; /* Alterado de 520px fixo para 100% */
    max-width: 100%;
    table-layout: auto;
}

.message-content table.data-table thead th {
    position: sticky;
    top: 0;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-secondary));
    z-index: 1;
    white-space: normal; /* Permite quebra de linha nos cabeçalhos */
    min-width: 120px; /* Largura mínima maior para data tables */
    max-width: 200px; /* Largura máxima para evitar colunas muito largas */
    word-wrap: break-word;
    text-align: center; /* Centraliza cabeçalhos de data tables */
}

.message-content table.data-table tbody tr:nth-child(even) {
    background: var(--bg-secondary);
}

.message-content table.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.08);
}

.message-content table.data-table td.numeric,
.message-content table.data-table th.numeric {
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap; /* Mantém números alinhados */
}

.message-content table thead {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.message-content table th {
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: normal; /* Permite quebra de linha nos cabeçalhos */
    min-width: 100px; /* Largura mínima aumentada */
    word-wrap: break-word;
    hyphens: auto;
}

.message-content table th:last-child {
    border-right: none;
}

.message-content table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.message-content table tbody tr:hover {
    background: var(--bg-tertiary);
}

.message-content table tbody tr:last-child {
    border-bottom: none;
}

.message-content table td {
    padding: 0.75rem 1rem;
    text-align: left;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
    vertical-align: top;
    line-height: 1.6;
    word-wrap: break-word; /* Permite quebra de palavras longas */
    overflow-wrap: break-word;
    hyphens: auto;
    white-space: normal;
}

.message-content table td:last-child {
    border-right: none;
}

/* Melhorias para tabelas markdown padrão */
.message-content table:not(.data-table) {
    min-width: auto;
    max-width: 100%;
}

.message-content table:not(.data-table) th,
.message-content table:not(.data-table) td {
    white-space: normal; /* Permite quebra de linha para tabelas markdown */
    word-wrap: break-word;
}

/* Estilos para tabelas em modo escuro */
[data-theme="dark"] .message-content table {
    background: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .message-content .table-container {
    background: var(--bg-primary);
    border-color: var(--border-color);
}

[data-theme="dark"] .message-content table.data-table tbody tr:hover {
    background: rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .message-content table thead {
    background: var(--bg-secondary);
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .message-content table th {
    color: var(--text-primary);
    border-right-color: var(--border-color);
}

[data-theme="dark"] .message-content table tbody tr {
    border-bottom-color: var(--border-color);
}

[data-theme="dark"] .message-content table tbody tr:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .message-content table td {
    color: var(--text-primary);
    border-right-color: var(--border-color);
}

/* Enhanced markdown elements */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 1.5rem 0 0.75rem 0;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-primary);
}

.message-content h1 {
    font-size: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.message-content h2 {
    font-size: 1.3rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.25rem;
}

.message-content h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.message-content blockquote {
    margin: 1rem 0;
    padding: 1rem 1.5rem;
    border-left: 4px solid var(--primary-color);
    background: var(--bg-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.message-content ul,
.message-content ol {
    margin: 1rem 0;
    padding-left: 2.5rem;
}

.message-content li {
    margin: 0.75rem 0;
    line-height: 1.7;
    text-align: justify;
    word-wrap: break-word;
}

/* Bullets brancos no modo escuro */
[data-theme="dark"] .message-content ul li::marker {
    color: var(--text-primary);
}

.message-content ol li {
    padding-left: 0.5rem;
}

.message-content ol {
    counter-reset: item;
}

.message-content ol > li {
    display: block;
    position: relative;
}

.message-content ol > li::before {
    content: counter(item) ".";
    counter-increment: item;
    position: absolute;
    left: -2rem;
    top: 0;
    font-weight: 600;
    color: var(--primary-color);
    min-width: 1.5rem;
    text-align: right;
}

/* Números brancos no modo escuro */
[data-theme="dark"] .message-content ol > li::before {
    color: var(--text-primary);
}

.message-content hr {
    margin: 2rem 0;
    border: none;
    border-top: 2px solid var(--border-color);
    opacity: 0.5;
}

/* Responsividade para tabelas */
@media (max-width: 768px) {
    .message-content table {
        font-size: 0.8rem;
        table-layout: auto; /* Permite ajuste automático em telas pequenas */
    }
    
    .message-content table th,
    .message-content table td {
        padding: 0.5rem 0.75rem;
        min-width: auto;
        word-break: break-word;
    }
    
    .message-content table.data-table thead th {
        min-width: 80px;
        max-width: none;
        font-size: 0.75rem;
    }
    
    .message-content table.data-table {
        min-width: 100%;
    }
    
    .message-content .table-container {
        margin: 0.5rem 0;
    }
    
    .message-content h1 {
        font-size: 1.3rem;
    }
    
    .message-content h2 {
        font-size: 1.2rem;
    }
    
    .message-content h3 {
        font-size: 1.1rem;
    }
    
    /* Melhor espaçamento para listas em mobile */
    .message-content ol,
    .message-content ul {
        padding-left: 2rem;
    }
    
    .message-content ol > li::before {
        left: -1.5rem;
    }
}

/* Enhanced scientific and mathematical content styling */
.message-content .percentage {
    font-weight: 600;
    color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-variant-numeric: tabular-nums;
}

.message-content .scientific-notation {
    font-family: 'Times New Roman', serif;
    font-weight: 500;
    color: var(--info-color);
    background: rgba(6, 182, 212, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
}

.message-content .measurement {
    font-weight: 500;
    color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
    padding: 0.125rem 0.25rem;
    border-radius: var(--radius-sm);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

/* Chemical formula styling */
.message-content sub {
    font-size: 0.75em;
    color: var(--text-secondary);
}

.message-content sup {
    font-size: 0.75em;
    color: var(--text-secondary);
}

/* Enhanced code block content styling */
.code-block-enhanced .code-block-content {
    position: relative;
}

.code-block-enhanced .code-block-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-color), transparent);
}

/* Better inline code styling */
.message-content code:not([class*="language-"]) {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.875em;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Dark theme adjustments for scientific content */
[data-theme="dark"] .message-content .percentage {
    background: rgba(16, 185, 129, 0.2);
    color: #34d399;
}

[data-theme="dark"] .message-content .scientific-notation {
    background: rgba(6, 182, 212, 0.2);
    color: #22d3ee;
}

[data-theme="dark"] .message-content .measurement {
    background: rgba(245, 158, 11, 0.2);
    color: #fbbf24;
}

/* Enhanced list styling */
.message-content .enhanced-list {
    margin: 1rem 0;
    padding-left: 2rem;
}

.message-content .enhanced-list li {
    margin: 0.5rem 0;
    line-height: 1.6;
    position: relative;
}

.message-content .enhanced-list li::marker {
    color: var(--primary-color);
    font-weight: 600;
}

/* Enhanced list markers brancos no modo escuro */
[data-theme="dark"] .message-content .enhanced-list li::marker {
    color: var(--text-primary);
}

/* Checklist styling */
.message-content .checklist {
    list-style: none;
    padding-left: 0;
}

.message-content .checklist-item {
    position: relative;
    padding-left: 2rem;
    margin: 0.75rem 0;
    line-height: 1.6;
}

.message-content .checklist-item::before {
    content: '☐';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 1.2em;
    color: var(--text-muted);
    transition: var(--transition);
}

.message-content .checklist-item.checked::before {
    content: '☑';
    color: var(--success-color);
}

.message-content .checklist-item.checked {
    color: var(--text-secondary);
    text-decoration: line-through;
}

/* Enhanced blockquote styling */
.message-content blockquote {
    position: relative;
    padding-left: 3rem;
}

.message-content .blockquote-icon {
    position: absolute;
    left: 1rem;
    top: 1rem;
    font-size: 1.25rem;
    opacity: 0.7;
}

.message-content .blockquote-note {
    border-left-color: var(--info-color);
    background: rgba(6, 182, 212, 0.1);
}

.message-content .blockquote-note .blockquote-icon {
    color: var(--info-color);
}

.message-content .blockquote-warning {
    border-left-color: var(--warning-color);
    background: rgba(245, 158, 11, 0.1);
}

.message-content .blockquote-warning .blockquote-icon {
    color: var(--warning-color);
}

.message-content .blockquote-important {
    border-left-color: var(--danger-color);
    background: rgba(239, 68, 68, 0.1);
}

.message-content .blockquote-important .blockquote-icon {
    color: var(--danger-color);
}

.message-content .blockquote-tip {
    border-left-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.message-content .blockquote-tip .blockquote-icon {
    color: var(--success-color);
}

/* Dark theme adjustments for enhanced content */
[data-theme="dark"] .message-content .blockquote-note {
    background: rgba(6, 182, 212, 0.2);
}

[data-theme="dark"] .message-content .blockquote-warning {
    background: rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .message-content .blockquote-important {
    background: rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .message-content .blockquote-tip {
    background: rgba(16, 185, 129, 0.2);
}

/* ===== CLEAR DATA MODAL STYLES ===== */
.clear-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    background: var(--bg-primary);
}

.clear-option:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.clear-option.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.05);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.1);
}

.clear-option input[type="radio"] {
    width: 1.25rem;
    height: 1.25rem;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.clear-option input[type="radio"]:checked {
    background-color: var(--primary-color);
}

/* Dark theme adjustments for clear options */
[data-theme="dark"] .clear-option {
    background: var(--bg-secondary);
}

[data-theme="dark"] .clear-option:hover {
    background: var(--bg-tertiary);
}

[data-theme="dark"] .clear-option.selected {
    background: rgba(59, 130, 246, 0.1);
}

@media (max-width: 480px) {
    .message-content table {
        font-size: 0.75rem;
    }
    
    .message-content table th,
    .message-content table td {
        padding: 0.375rem 0.5rem;
    }
    
    .message-content table th {
        min-width: 60px; /* Reduz a largura mínima em telas muito pequenas */
    }
    
    .message-content table td {
        max-width: 200px; /* Reduz a largura máxima em telas muito pequenas */
    }
}

.language-python .keyword { color: #0066cc; }
.language-python .string { color: #cc6600; }
.language-python .comment { color: #666666; }
.language-python .number { color: #9933cc; }

.language-xml .tag { color: #0066cc; }
.language-xml .attribute { color: #cc6600; }
.language-xml .string { color: #cc6600; }
.language-xml .comment { color: #666666; }

.language-javascript .keyword { color: #0066cc; }
.language-javascript .string { color: #cc6600; }
.language-javascript .comment { color: #666666; }
.language-javascript .number { color: #9933cc; }

.language-sql .keyword { color: #0066cc; }
.language-sql .string { color: #cc6600; }
.language-sql .comment { color: #666666; }
.language-sql .number { color: #9933cc; }

.message-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.kb-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.7rem;
}

.kb-badge.user {
    background: rgba(59, 130, 246, 0.12);
    color: #1e40af;
}

.kb-badge.system {
    background: rgba(139, 92, 246, 0.12);
    color: #5b21b6;
}

.confidence-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.75rem;
    box-shadow: var(--shadow-sm);
}

.confidence-badge.high {
    background: #10b981;
    color: white;
}

.confidence-badge.medium {
    background: #f59e0b;
    color: white;
}

.confidence-badge.low {
    background: #ef4444;
    color: white;
}

.validation-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    background: var(--secondary-color);
    color: white;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.message-actions {
    display: flex;
    gap: 0.375rem;
    margin-top: 0.375rem;
    opacity: 0;
    transition: opacity 0.15s ease;
    pointer-events: none;
}

.message-bubble:hover .message-actions {
    opacity: 1;
    pointer-events: auto;
}

/* Action buttons */
.action-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.375rem 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--text-primary);
}

/* Feedback container */
.feedback-container {
    display: flex;
    gap: 0.375rem;
    margin-left: auto;
    border-left: 1px solid var(--border-color);
    padding-left: 0.375rem;
}

.feedback-buttons {
    display: flex;
    gap: 0.25rem;
}

.feedback-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.375rem 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feedback-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.feedback-btn.thumbs-up:hover {
    color: var(--success-color);
    border-color: var(--success-color);
}

.feedback-btn.thumbs-down:hover {
    color: var(--error-color);
    border-color: var(--error-color);
}

.feedback-btn.submitted {
    pointer-events: none;
}

.feedback-btn.submitted.thumbs-up {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--success-color);
    color: var(--success-color);
}

.feedback-btn.submitted.thumbs-down {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--error-color);
    color: var(--error-color);
}

/* Steps container */
.steps-container {
    margin-top: 0.25rem; /* menos espaço acima quando no topo da mensagem */
    margin-bottom: 0.5rem; /* separa discretamente do texto principal */
    border-top: none; /* remove linha forte no topo */
    padding-top: 0; /* remove padding extra */
    animation: stepsContainerSlide 0.4s ease-out; /* animação mais sutil */
}

@keyframes stepsContainerSlide {
    from {
        opacity: 0;
        transform: translateY(30px);
        filter: blur(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}





.steps-box {
    background: transparent; /* sem fundo destacado */
    border: none; /* remove contorno */
    border-radius: var(--radius-md);
    padding: 0.25rem 0; /* padding mínimo */
    box-shadow: none;
    position: relative;
    overflow: hidden;
}

.steps-box::before { display: none; }

.steps-title {
    font-weight: 600;
    color: var(--text-secondary); /* tom mais suave */
    margin-bottom: 0.25rem; /* reduz espaço abaixo do título */
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem; /* menor tipografia */
    text-transform: none; /* remove uppercase para suavizar */
    letter-spacing: 0.2px;
    cursor: pointer;
    transition: color 0.2s ease;
}

@keyframes titleGlow { from { } to { } }

.steps-title:hover { color: var(--text-primary); }

.steps-title .fa-chevron-up,
.steps-title .fa-chevron-down {
    transition: opacity 0.2s ease;
    opacity: 0.7;
}

.steps-title:hover .fa-chevron-up,
.steps-title:hover .fa-chevron-down {
    opacity: 1;
}

.steps-list {
    margin-left: 1.25rem;
    color: var(--text-secondary);
}

.step-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0.75rem; /* menor padding */
    margin-bottom: 0.5rem; /* menos espaço entre passos */
    box-shadow: none; /* remove sombra */
    transition: none;
    border-left: 3px solid var(--border-color); /* menos destaque */
    position: relative;
    overflow: hidden;
}

.step-note-list {
    margin: 0.25rem 0 0 1rem;
    padding-left: 1rem;
    color: var(--text-secondary);
}

.step-note-list li {
    margin: 0.25rem 0;
    line-height: 1.5;
}

.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(var(--primary-color-rgb), 0.1), transparent);
    transition: width 0.8s ease;
}

.step-item.animated::before {
    width: 100%;
}

.step-item:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-md);
    border-left-color: var(--secondary-color);
}

.step-item:hover::before {
    animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.step-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-left-color: var(--secondary-color);
}

.step-header {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.step-content {
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.step-snippets {
    margin-top: 0.5rem;
}

.step-snippet {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.8rem;
    transition: var(--transition);
    position: relative;
}

.step-snippet:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.snippet-source {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.snippet-excerpt {
    color: var(--text-secondary);
    line-height: 1.4;
}

.snippet-page {
    color: var(--text-muted);
    font-size: 0.75rem;
}


.conversation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    margin: 4px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
}

.conversation-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.conversation-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.conversation-content {
    flex: 1;
    min-width: 0; /* Permite truncamento */
}

.conversation-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-item.active .conversation-title {
    color: white;
}

.conversation-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-item.active .conversation-date {
    color: rgba(255, 255, 255, 0.8);
}

.delete-conversation-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s ease;
    opacity: 0;
    transform: scale(0.8);
    margin-left: 8px;
    flex-shrink: 0;
}

.conversation-item:hover .delete-conversation-btn {
    opacity: 1;
    transform: scale(1);
}

.delete-conversation-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    transform: scale(1.1);
}

.conversation-item.active .delete-conversation-btn {
    color: rgba(255, 255, 255, 0.7);
}

.conversation-item.active .delete-conversation-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

/* Notificações */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 12px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    max-width: 300px;
    word-wrap: break-word;
}

.notification.show {
    transform: translateX(0);
}

.notification-success {
    background: linear-gradient(135deg, #10b981, #059669);
    border: 1px solid #059669;
}

.notification-error {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    border: 1px solid #dc2626;
}

.notification-info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: 1px solid #2563eb;
}

/* Responsividade para conversas */
@media (max-width: 768px) {
    .conversation-item {
        padding: 10px;
    }
    
    .conversation-title {
        font-size: 0.9rem;
    }
    
    .conversation-date {
        font-size: 0.75rem;
    }
    
    .delete-conversation-btn {
        opacity: 1; /* Sempre visível em mobile */
        padding: 6px;
    }
    
    .delete-all-conversations-btn {
        padding: 10px 12px;
        font-size: 0.85rem;
    }
    
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
}

.step-note {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.8rem;
}

/* Passos em tempo real */
.real-time-steps {
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.real-time-step {
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.real-time-step.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Animação para novos passos */
.step-item {
    animation: stepIn 0.4s ease-out;
}

@keyframes stepIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 9999px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* ===== CHAT INPUT ===== */
.chat-input-container {
    width: 100%;
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: stretch;
}

/* Upload progress container displayed above the input */
.upload-progress {
    width: 100%;
    max-width: 400px;
    display: none; /* toggled to flex via JS */
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto 0.5rem auto;
    background: none;
    border: none;
    box-shadow: none;
    padding: 0;
}

.progress-bar {
    width: 100%;
    height: 0.375rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    overflow: hidden;
    margin-bottom: 0.25rem;
    max-width: 400px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: var(--radius-sm);
    transition: width 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: none;
}

.progress-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
    max-width: 400px;
    font-weight: 500;
    margin: 0;
    padding: 0.1rem 0 0.2rem 0;
}

.chat-input-wrapper {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(180deg, var(--bg-secondary), var(--bg-primary));
    border: 1px solid var(--border-color);
    border-radius: 9999px;
    padding: 0.5rem 0.5rem 0.5rem 0.625rem;
    transition: var(--transition);
    position: relative;
    max-width: 820px;
    width: 100%;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.04);
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

[data-theme="dark"] .chat-input-wrapper:focus-within {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}



#chatInput {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    line-height: 1.6;
    resize: none;
    outline: none;
    font-family: inherit;
    min-height: 2.25rem;
    max-height: 10rem;
    padding: 0.25rem 0.25rem;
    overflow-y: hidden;
    transition: height 0.1s ease;
}

#chatInput::placeholder {
    color: var(--text-muted);
    opacity: 0.9;
}

.send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.send-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0;
    transition: var(--transition);
}

.send-btn:hover::before {
    opacity: 1;
}

.send-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.send-btn:disabled {
    background: var(--text-muted);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    filter: grayscale(0.2);
}

.send-btn:disabled::before {
    display: none;
}

.send-btn i {
    position: relative;
    z-index: 1;
}

/* ===== TOOLS QUICK MENU (Chat) ===== */
.tools-menu {
    position: fixed;
    z-index: 5000;
    min-width: 260px;
    max-width: 320px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-lg);
    padding: 12px;
}
.tools-menu-title {
    font-weight: 600;
    margin-bottom: 10px;
}
.tools-menu-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 10px;
}
.tools-menu-col {
    display: flex;
    flex-direction: column;
}
.tools-menu-label {
    font-size: 0.9rem;
}
.tools-menu-hint {
    color: var(--text-secondary);
}
.tools-menu-icon {
    width: 20px;
    height: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.input-footer {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: var(--text-muted);
    max-width: 768px;
    width: 100%;
}



.char-count {
    font-family: monospace;
}

/* ===== RIGHT PANEL ===== */
.right-panel {
    width: 320px;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    transition: var(--transition);
}

/* ===== SETTINGS OVERLAY (ESTILO SIDEBAR) ===== */
.settings-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.settings-overlay.open {
    opacity: 1;
    visibility: visible;
}

.settings-container {
    background: var(--modal-bg-primary);
    border-radius: 12px;
    width: 90%;
    max-width: 1000px;
    height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--modal-border);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
    display: flex;
}

.settings-overlay.open .settings-container {
    transform: scale(1) translateY(0);
}

/* Sidebar de Navegação */
.settings-sidebar {
    width: 200px;
    background: var(--modal-bg-secondary);
    border-right: 1px solid var(--modal-border);
    display: flex;
    flex-direction: column;
}

.settings-nav-header {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid var(--modal-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.settings-nav-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--modal-text-primary);
    margin: 0;
}

.settings-nav {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.nav-item {
    margin: 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--modal-text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    font-size: 0.875rem;
}

.nav-link:hover {
    background: var(--modal-bg-hover);
    color: var(--modal-text-primary);
}

.nav-link.active {
    background: var(--modal-bg-selected);
    color: var(--modal-text-primary);
    border-left-color: #007acc;
}

.nav-link i {
    width: 16px;
    text-align: center;
    font-size: 0.875rem;
}

/* Conteúdo Principal */
.settings-main {
    flex: 1;
    overflow-y: auto;
    background: var(--modal-bg-primary);
}

.settings-content-section {
    display: none;
    padding: 2rem;
}

.settings-content-section.active {
    display: block;
}

.settings-content-section h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--modal-text-primary);
    margin: 0 0 0.5rem 0;
}

.section-description {
    color: var(--modal-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.setting-description {
    color: var(--modal-text-muted);
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

/* Chart Container */
.chart-container {
    background: var(--modal-bg-secondary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--modal-border);
    margin-top: 1rem;
}

/* Usage Controls */
.usage-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.date-range-selector {
    display: flex;
    gap: 0.25rem;
    background: var(--modal-bg-tertiary);
    border-radius: 6px;
    padding: 2px;
}

.date-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--modal-text-secondary);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 0.875rem;
    font-weight: 500;
}

.date-btn:hover {
    background: var(--modal-bg-hover);
    color: var(--modal-text-primary);
}

.date-btn.active {
    background: var(--modal-bg-selected);
    color: var(--modal-text-primary);
}

.export-btn {
    padding: 0.5rem 1rem;
    background: var(--modal-bg-tertiary);
    border: 1px solid var(--modal-border);
    border-radius: 6px;
    color: var(--modal-text-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.export-btn:hover {
    background: var(--modal-bg-hover);
}

/* Usage Table */
.usage-table-container {
    background: var(--modal-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--modal-border);
    overflow: hidden;
}

.usage-table {
    width: 100%;
    border-collapse: collapse;
}

.usage-table th {
    background: var(--modal-bg-tertiary);
    color: var(--modal-text-secondary);
    font-weight: 500;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--modal-border);
}

.usage-table td {
    padding: 0.75rem 1rem;
    color: var(--modal-text-primary);
    font-size: 0.875rem;
    border-bottom: 1px solid var(--modal-border);
}

.usage-table tr:hover {
    background: var(--modal-bg-hover);
}

.usage-table tr:last-child td {
    border-bottom: none;
}

/* Model badges */
.model-badge {
    background: var(--modal-bg-tertiary);
    color: var(--modal-text-secondary);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.kind-badge {
    color: var(--modal-text-primary);
    font-weight: 500;
}

.tokens-count {
    font-family: monospace;
    color: var(--modal-text-primary);
}

.cost-amount {
    font-family: monospace;
    color: var(--modal-text-secondary);
}

.close-settings {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.close-settings:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-content {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(80vh - 100px);
    background: var(--modal-bg-primary);
}

.settings-section {
    margin-bottom: 2rem;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--modal-text-primary);
    margin-bottom: 0.5rem;
}

.section-description {
    color: var(--modal-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.setting-group {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.setting-label {
    font-weight: 500;
    color: var(--modal-text-primary);
    font-size: 0.9rem;
}

.setting-control {
    display: flex;
    align-items: center;
}

.toggle-group {
    display: flex;
    background: var(--modal-bg-tertiary);
    border-radius: 8px;
    padding: 2px;
    border: 1px solid var(--modal-border);
}

.toggle-btn {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    color: var(--modal-text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.toggle-btn.active {
    background: var(--modal-bg-selected);
    color: var(--modal-text-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-btn:hover:not(.active) {
    background: var(--modal-bg-hover);
    color: var(--modal-text-primary);
}

.setting-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--modal-border);
    border-radius: 6px;
    background: var(--modal-bg-tertiary);
    color: var(--modal-text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    min-width: 120px;
}

.setting-select:focus {
    outline: none;
    border-color: var(--modal-bg-selected);
}

.setting-select:hover {
    background: var(--modal-bg-hover);
}

.setting-value {
    color: var(--modal-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    background: var(--modal-bg-tertiary);
    border-radius: 6px;
    border: 1px solid var(--modal-border);
}

/* Switch Toggle */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--modal-bg-tertiary);
    transition: 0.3s;
    border-radius: 24px;
    border: 1px solid var(--modal-border);
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 2px;
    bottom: 2px;
    background-color: var(--modal-text-primary);
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

input:checked + .slider {
    background-color: var(--modal-bg-selected);
}

input:checked + .slider:before {
    transform: translateX(20px);
    background-color: white;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 1rem;
    margin-top: auto;
}

.sidebar.collapsed .sidebar-footer {
    padding: 0.5rem;
    display: flex;
    justify-content: center;
}

.settings-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 0.75rem;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.settings-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.settings-btn i {
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.settings-btn:hover i {
    color: var(--primary-color);
}

.sidebar.collapsed .settings-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 50%;
}

.sidebar.collapsed .settings-btn span {
    display: none;
}

.sidebar.collapsed .settings-btn i {
    font-size: 1rem;
    margin: 0;
}

/* ===== Raciocínio: layout alinhado ===== */
.settings-content-section[data-section="reasoning"] .setting-group {
    display: grid;
    grid-template-columns: 260px 1fr;
    align-items: center;
    gap: 6px 20px;
}
.settings-content-section[data-section="reasoning"] .setting-label { grid-column: 1; }
.settings-content-section[data-section="reasoning"] .setting-description { grid-column: 2; margin: 0; }
.settings-content-section[data-section="reasoning"] .setting-control { grid-column: 2; justify-self: start; }
.settings-content-section[data-section="reasoning"] .setting-hint {
    grid-column: 2;
    display: block;
    margin-top: 4px;
    color: var(--modal-text-muted);
    font-size: 0.8rem;
}
@media (max-width: 768px) {
    .settings-content-section[data-section="reasoning"] .setting-group {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .settings-content-section[data-section="reasoning"] .setting-label,
    .settings-content-section[data-section="reasoning"] .setting-description,
    .settings-content-section[data-section="reasoning"] .setting-control,
    .settings-content-section[data-section="reasoning"] .setting-hint {
        grid-column: 1;
    }
}
/* ===== USER MENU (CANTO SUPERIOR DIREITO) ===== */
.user-menu-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1500;
}

.user-avatar-btn {
    cursor: pointer;
    transition: var(--transition);
}

.user-avatar-circle {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 0.875rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.user-avatar-btn:hover .user-avatar-circle {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.user-dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    width: 280px;
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    overflow: hidden;
    pointer-events: none;
}

.user-dropdown-menu.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.user-info-section {
    padding: 1.5rem;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-avatar-large {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-plan {
    display: flex;
    align-items: center;
}

.plan-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.plan-badge[data-plan="Free"] {
    background: rgba(107, 114, 128, 0.2);
    color: #6b7280;
}

.plan-badge[data-plan="Pro"] {
    background: rgba(59, 130, 246, 0.2);
    color: #3b82f6;
}

.plan-badge[data-plan="Ultra"] {
    background: rgba(168, 85, 247, 0.2);
    color: #a855f7;
}

.menu-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

.menu-options {
    padding: 0.5rem 0;
}

.menu-option {
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
    text-align: left;
}

.menu-option:hover {
    background: var(--bg-tertiary);
}

.menu-option.logout-option {
    color: var(--danger-color);
}

.menu-option.logout-option:hover {
    background: rgba(239, 68, 68, 0.1);
}

.menu-option i {
    width: 16px;
    text-align: center;
    color: var(--text-secondary);
}

.menu-option.logout-option i {
    color: var(--danger-color);
}

/* ===== MODAL SYSTEM (PADRONIZADO) ===== */
/* Variáveis específicas para modais que se adaptam ao tema */
:root {
    /* Tema claro para modais */
    --modal-bg-primary: #ffffff;
    --modal-bg-secondary: #f8fafc;
    --modal-bg-tertiary: #f1f5f9;
    --modal-bg-hover: #e2e8f0;
    --modal-bg-selected: #dbeafe;
    --modal-text-primary: #1e293b;
    --modal-text-secondary: #64748b;
    --modal-text-muted: #94a3b8;
    --modal-border: #e5e7eb;
}

[data-theme="dark"] {
    /* Tema escuro para modais (paleta da imagem) */
    --modal-bg-primary: #1e1e1e;
    --modal-bg-secondary: #252526;
    --modal-bg-tertiary: #2d2d30;
    --modal-bg-hover: #37373d;
    --modal-bg-selected: #094771;
    --modal-text-primary: #cccccc;
    --modal-text-secondary: #969696;
    --modal-text-muted: #6a6a6a;
    --modal-border: #3c3c3c;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal-container {
    background: var(--modal-bg-primary);
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--modal-border);
    transform: scale(0.9) translateY(20px);
    transition: all 0.3s ease;
}

.modal-overlay.open .modal-container {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--modal-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--modal-bg-secondary);
}

.modal-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--modal-text-primary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.close-modal {
    background: none;
    border: none;
    color: var(--modal-text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.close-modal:hover {
    background: var(--modal-bg-hover);
    color: var(--modal-text-primary);
}

.modal-content {
    padding: 2rem;
    overflow-y: auto;
    max-height: calc(80vh - 140px);
    background: var(--modal-bg-primary);
    color: var(--modal-text-primary);
}

.modal-footer {
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--modal-border);
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    background: var(--modal-bg-secondary);
}

.btn-primary, .btn-secondary, .btn-danger {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-primary);
    border-color: var(--primary-color);
}

.btn-danger {
    background: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}


.settings-section {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.settings-section:last-child {
    border-bottom: none;
}

.settings-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.settings-section h4::before {
    content: '';
    width: 3px;
    height: 1rem;
    background: var(--primary-color);
    border-radius: 2px;
}

.system-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.info-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.info-value {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 600;
}

.preferences {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.preference-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.preference-item label {
    font-size: 0.875rem;
    color: var(--text-primary);
    font-weight: 500;
}

/* Usage Limit Modal */
.usage-limit-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.usage-limit-content {
    background: var(--modal-bg-primary);
    border-radius: 12px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.usage-limit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--modal-border);
}

.usage-limit-header h2 {
    margin: 0;
    color: var(--danger-color);
    font-size: 1.25rem;
}

.close-usage-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--modal-text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.close-usage-modal:hover {
    background: var(--modal-bg-secondary);
    color: var(--modal-text-primary);
}

.usage-limit-body {
    padding: 1.5rem;
}

.limit-message {
    text-align: center;
    margin-bottom: 1.5rem;
}

.limit-message p {
    color: var(--modal-text-primary);
    margin: 0.5rem 0;
}

.plan-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

.usage-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.usage-stat {
    text-align: center;
    padding: 1rem;
    background: var(--modal-bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--modal-border);
}

.stat-label {
    display: block;
    font-size: 0.875rem;
    color: var(--modal-text-secondary);
    margin-bottom: 0.25rem;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--modal-text-primary);
}

.upgrade-suggestion {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    margin-bottom: 1.5rem;
}

.upgrade-suggestion h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.1rem;
}

.upgrade-suggestion p {
    margin: 0 0 1rem 0;
    opacity: 0.9;
}

.upgrade-benefits ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
}

.upgrade-benefits li {
    padding: 0.25rem 0;
    font-size: 0.875rem;
}

.usage-limit-footer {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--modal-border);
}

.usage-limit-footer button {
    flex: 1;
    padding: 0.875rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.875rem;
}

.usage-limit-footer .btn-secondary {
    background: var(--modal-bg-secondary);
    color: var(--modal-text-primary);
    border: 1px solid var(--modal-border);
}

.usage-limit-footer .btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.usage-limit-footer button:hover {
    transform: translateY(-1px);
    opacity: 0.9;
}

/* Chat Input Blocked State */
.chat-input:disabled {
    background: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed !important;
}

.send-button:disabled {
    background: var(--bg-tertiary) !important;
    color: var(--text-muted) !important;
    cursor: not-allowed !important;
}

/* Limit Message in Chat */
.message.limit-exceeded {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-left: 4px solid #f59e0b;
    color: #92400e;
}

[data-theme="dark"] .message.limit-exceeded {
    background: linear-gradient(135deg, #451a03 0%, #78350f 100%);
    border-left: 4px solid #f59e0b;
    color: #fbbf24;
}

.language-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition);
    min-width: 120px;
}

.language-select:hover {
    border-color: var(--primary-color);
}

.language-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

[data-theme="dark"] .language-select {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .language-select:hover {
    border-color: var(--primary-color);
}

[data-theme="dark"] .language-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.panel-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.close-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
}

.close-panel:hover {
    background: var(--text-muted);
    color: white;
}

.panel-content {
    flex: 1;
    padding: 1.5rem;
    overflow-y: auto;
}

/* ===== MOBILE MENU ===== */
.mobile-menu-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 1000;
    display: none;
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl);
}

/* ===== TOAST NOTIFICATIONS ===== */
.toast-container {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    position: relative;
    overflow: hidden;
    animation: slideIn 0.3s ease-out;
}

.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    border-radius: var(--radius-sm);
}

.toast.success::before {
    background: #10b981;
}

.toast.error::before {
    background: #ef4444;
}

.toast.warning::before {
    background: #f59e0b;
}

.toast.info::before {
    background: var(--primary-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast-icon {
    font-size: 1.25rem;
}

.toast.success .toast-icon {
    color: #10b981;
}

.toast.error .toast-icon {
    color: #ef4444;
}

.toast.warning .toast-icon {
    color: #f59e0b;
}

.toast.info .toast-icon {
    color: var(--primary-color);
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.toast-message {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ===== LOADING OVERLAY ===== */
/* Desativa overlay global para UX mais leve */
.loading-overlay { display: none !important; }

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

/* Loader minimalista estilo Gemini, ao lado do input */
.inline-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 0.25rem 0 0.25rem;
}

.typing-spinner {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--primary-color);
    border-right-color: var(--secondary-color);
    animation: spin 0.8s linear infinite;
}

.loading-spinner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    opacity: 0.05;
}

.loading-spinner > * {
    position: relative;
    z-index: 1;
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    color: var(--text-secondary);
    font-weight: 500;
}

/* ===== DASHBOARD DE TOKENS ===== */
.token-dashboard {
    padding: 15px 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.metric-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 6px;
    padding: 12px;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 2px 6px rgba(102, 126, 234, 0.15);
    transition: transform 0.2s ease;
}

.metric-card:hover {
    transform: translateY(-1px);
}

.metric-icon {
    font-size: 1.4em;
    opacity: 0.8;
}

.metric-content h3 {
    margin: 0 0 4px 0;
    font-size: 0.7em;
    opacity: 0.9;
    font-weight: 500;
    line-height: 1.2;
}

.metric-value {
    font-size: 1.1em;
    font-weight: 700;
    margin: 0;
}

.usage-progress-section {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 20px;
    border: 1px solid #333;
}

.usage-progress-section h3 {
    margin: 0 0 12px 0;
    color: #fff;
    font-size: 1em;
}

.usage-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.usage-info span:first-child {
    font-size: 0.95em;
    color: #fff;
    font-weight: 600;
}

.usage-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 500;
}

.usage-status.within-limit {
    background: #10b981;
    color: white;
}

.usage-status.warning {
    background: #f59e0b;
    color: white;
}

.usage-status.exceeded {
    background: #ef4444;
    color: white;
}


.operations-breakdown {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 20px;
    border: 1px solid #333;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    align-items: center;
}

.operations-breakdown h3 {
    margin: 0 0 15px 0;
    color: #fff;
    font-size: 1em;
    grid-column: 1 / -1;
}

.operations-chart {
    display: flex;
    justify-content: center;
}

.operations-legend {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 0.9em;
}

.legend-color {
    width: 16px;
    height: 16px;
    border-radius: 3px;
}

.usage-history {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 18px;
    margin-bottom: 20px;
    border: 1px solid #333;
}

.usage-history h3 {
    margin: 0 0 15px 0;
    color: #fff;
    font-size: 1em;
}

.history-chart {
    display: flex;
    justify-content: center;
}

.dashboard-actions {
    display: flex;
    justify-content: center;
    margin-top: 12px;
}

.btn {
    padding: 6px 12px;
    border: none;
    border-radius: 3px;
    font-size: 0.75em;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 3px;
    opacity: 0.85;
}

.btn:hover {
    opacity: 1;
}

.btn-upgrade {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
}

.btn-upgrade:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(240, 147, 251, 0.2);
}

/* ===== SEÇÃO USAGE DETALHADA ===== */
.usage-summary {
    margin-bottom: 25px;
}

.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.summary-card {
    background: #1a1a1a;
    border-radius: 6px;
    padding: 15px;
    text-align: center;
    border: 1px solid #333;
}

.summary-card h3 {
    margin: 0 0 8px 0;
    font-size: 0.8em;
    color: #ccc;
    font-weight: 500;
}

.summary-value {
    font-size: 1.2em;
    font-weight: 700;
    color: #fff;
}

.usage-table-container {
    background: #1a1a1a;
    border-radius: 8px;
    padding: 20px;
    border: 1px solid #333;
    overflow-x: auto;
}

.usage-table {
    width: 100%;
    border-collapse: collapse;
    color: #fff;
}

.usage-table th {
    background: #2a2a2a;
    padding: 12px 8px;
    text-align: left;
    font-size: 0.9em;
    font-weight: 600;
    border-bottom: 2px solid #444;
}

.usage-table td {
    padding: 10px 8px;
    border-bottom: 1px solid #333;
    font-size: 0.85em;
}

.usage-table tr:hover {
    background: #2a2a2a;
}

.loading-row {
    text-align: center;
    color: #666;
    font-style: italic;
}

.operation-type {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.75em;
    font-weight: 500;
}

.operation-type.conversation { background: #3b82f6; color: white; }
.operation-type.csv_processing { background: #10b981; color: white; }
.operation-type.report_generation { background: #f59e0b; color: white; }
.operation-type.web_search { background: #8b5cf6; color: white; }
.operation-type.pdf_processing { background: #ef4444; color: white; }
.operation-type.code_generation { background: #f97316; color: white; }
.operation-type.data_analysis { background: #06b6d4; color: white; }
.operation-type.document_indexing { background: #84cc16; color: white; }
.operation-type.file_upload { background: #a855f7; color: white; }
.operation-type.other { background: #6b7280; color: white; }

.conversation-link {
    color: #667eea;
    text-decoration: none;
    font-size: 0.8em;
}

.conversation-link:hover {
    text-decoration: underline;
}

/* Responsive para Dashboard */
@media (max-width: 768px) {
    .metrics-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    
    .operations-breakdown {
        grid-template-columns: 1fr;
        gap: 15px;
        padding: 15px;
    }
    
    .btn {
        padding: 5px 10px;
        font-size: 0.7em;
    }
    
    .metric-card {
        padding: 10px;
        gap: 8px;
    }
    
    .metric-value {
        font-size: 1em;
    }
    
    .metric-icon {
        font-size: 1.2em;
    }
    
    .metric-content h3 {
        font-size: 0.65em;
    }
    
    .usage-progress-section,
    .usage-history {
        padding: 15px;
    }
    
    #operationsChart {
        width: 150px !important;
        height: 150px !important;
    }
    
        #historyChart {
            width: 300px !important;
            height: 120px !important;
        }
        
        /* Responsive para Usage */
        .summary-cards {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }
        
        .usage-table-container {
            padding: 15px;
            overflow-x: scroll;
        }
        
        .usage-table th,
        .usage-table td {
            padding: 8px 6px;
            font-size: 0.8em;
        }
        
        .summary-card {
            padding: 12px;
        }
        
        .summary-card h3 {
            font-size: 0.75em;
        }
        
        .summary-value {
            font-size: 1.1em;
        }
    }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
    .sidebar {
        width: 280px;
    }
    
    .right-panel {
        width: 280px;
    }
    
    .settings-panel {
        width: 320px;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        padding: 0.75rem 1rem;
    }

    .navbar-center {
        display: none;
    }

    .navbar-links {
        display: none;
    }

    .auth-buttons {
        gap: 0.5rem;
    }

    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .btn i {
        display: none;
    }

    .user-info .user-name {
        display: none;
    }

    .header {
        padding: 0.75rem 1rem;
    }

    .mode-selector {
        gap: 0.25rem;
    }

    .mode-btn span {
        display: none;
    }

    .mode-btn {
        padding: 0.5rem;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: left 0.3s ease;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }
    
    .sidebar-header {
        padding: 0.75rem;
    }
    
    .settings-btn {
        width: 2rem;
        height: 2rem;
    }
    
    .settings-btn-fixed {
        top: 0.75rem;
        right: 0.75rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .language-select {
        min-width: 100px;
        font-size: 0.8rem;
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar.collapsed {
        width: 280px; /* Mantém largura normal em mobile */
    }

    .right-panel {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: right 0.3s ease;
    }

    .right-panel.open {
        right: 0;
    }

    .settings-panel {
        position: fixed;
        right: -100%;
        top: 0;
        height: 100vh;
        z-index: 1000;
        transition: right 0.3s ease;
    }

    .settings-panel.open {
        right: 0;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .welcome-title {
        font-size: 1.5rem;
    }

    .suggestion-cards {
        grid-template-columns: 1fr;
    }

    .chat-messages {
        padding: 0.75rem 0.5rem 1rem 0.5rem !important;
        gap: 0.5rem !important;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    .chat-area {
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .message-bubble {
        max-width: 85% !important;
        padding: 0.875rem 1rem !important;
        font-size: 0.95rem !important;
        line-height: 1.5 !important;
    }

    .message.user .message-bubble {
        max-width: 80% !important;
    }

    .message.assistant .message-bubble {
        max-width: 90% !important;
    }

    .message-content {
        font-size: 0.95rem !important;
        line-height: 1.6 !important;
    }

    .chat-input-container {
        padding: 0.75rem 0.5rem 1rem 0.5rem !important;
        position: sticky;
        bottom: 0;
        background: var(--bg-primary);
        z-index: 100;
        box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
        margin-top: auto;
    }

    /* Previne highlight azul em mobile */
    * {
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }

    /* Melhor touch target para botões */
    button, .btn, .send-btn, .action-btn {
        touch-action: manipulation;
        -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    }
    
    .chat-input-wrapper {
        max-width: 100% !important;
        padding: 0.625rem 0.5rem 0.625rem 0.75rem !important;
        border-radius: 1.5rem !important;
    }

    #chatInput {
        font-size: 1rem !important;
        padding: 0.5rem 0.5rem !important;
        min-height: 2.5rem !important;
    }

    .send-btn {
        width: 2.75rem !important;
        height: 2.75rem !important;
        min-width: 2.75rem !important;
        min-height: 2.75rem !important;
    }

    .action-btn {
        width: 2.5rem !important;
        height: 2.5rem !important;
        min-width: 2.5rem !important;
        min-height: 2.5rem !important;
    }
    
    .progress-bar {
        max-width: 600px;
    }
    
    .progress-text {
        max-width: 600px;
    }

    .attached-files {
        gap: 0.5rem;
        max-width: 600px;
    }
    
    .input-footer {
        max-width: 600px;
    }

    .attached-file {
        max-width: 200px;
        padding: 0.5rem;
    }

    .file-name {
        font-size: 0.7rem;
    }

    .file-type {
        font-size: 0.6rem;
    }
}

@media (max-width: 480px) {
    .header-center {
        display: none;
    }
    
    .welcome-title {
        font-size: 1.75rem;
    }
    
    .welcome-header p {
        font-size: 1rem;
    }
    
    .suggestion-card {
        padding: 1.5rem;
    }
    
    .chat-messages {
        padding: 0.5rem 0.375rem 0.75rem 0.375rem !important;
        gap: 0.375rem !important;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }

    .chat-area {
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .message-bubble {
        max-width: 90% !important;
        padding: 0.75rem 0.875rem !important;
        font-size: 0.9rem !important;
        line-height: 1.5 !important;
        border-radius: 0.875rem !important;
    }

    .message.user .message-bubble {
        max-width: 85% !important;
    }

    .message.assistant .message-bubble {
        max-width: 95% !important;
    }
    
    .code-block,
    .code-block-enhanced {
        margin: 0.5rem 0 !important;
        border-radius: 0.75rem !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }
    
    .code-block-header {
        padding: 0.5rem 0.75rem !important;
        font-size: 0.75rem !important;
    }
    
    .code-block-content,
    .code-block-enhanced .code-block-content {
        padding: 0.75rem !important;
        font-size: 0.75rem !important;
        line-height: 1.5 !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .code-block-header .code-actions {
        gap: 0.375rem !important;
    }

    .code-copy-btn {
        padding: 0.5rem !important;
        min-width: 2rem !important;
        min-height: 2rem !important;
    }
    
    .message-avatar {
        width: 2rem;
        height: 2rem;
        font-size: 1rem;
    }
    
    .message-content {
        font-size: 0.9rem !important;
        line-height: 1.5 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
    }

    .message-content p {
        margin: 0.5rem 0 !important;
    }

    .message-content code {
        font-size: 0.8rem !important;
        padding: 0.2rem 0.4rem !important;
    }
    
    .chat-input-wrapper {
        padding: 0.5rem 0.375rem 0.5rem 0.625rem !important;
        max-width: 100% !important;
        border-radius: 1.5rem !important;
        gap: 0.5rem !important;
    }
    
    .chat-input-container {
        padding: 0.5rem 0.375rem 0.75rem 0.375rem !important;
    }

    #chatInput {
        font-size: 16px !important; /* Previne zoom no iOS */
        padding: 0.5rem 0.375rem !important;
        min-height: 2.75rem !important;
        line-height: 1.5 !important;
    }

    .send-btn {
        width: 3rem !important;
        height: 3rem !important;
        min-width: 3rem !important;
        min-height: 3rem !important;
    }

    .action-btn {
        width: 2.75rem !important;
        height: 2.75rem !important;
        min-width: 2.75rem !important;
        min-height: 2.75rem !important;
    }

    .input-footer {
        padding: 0.25rem 0.5rem !important;
        font-size: 0.75rem !important;
    }

    .char-count {
        font-size: 0.75rem !important;
    }
    
    .progress-bar {
        max-width: 100%;
    }
    
    .progress-text {
        max-width: 100%;
    }
    
    .attached-files {
        max-width: 100%;
    }
    
    .input-footer {
        max-width: 100%;
    }
    
    .toast-container {
        top: 1rem;
        right: 1rem;
        left: 1rem;
    }
    
    .toast {
        max-width: none;
    }
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow: hidden;
    overflow-x: hidden;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.15);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 1100;
    border-right: 1px solid var(--border-color);
}

    .sidebar.collapsed {
        width: 60px;
    }
    

    
    .sidebar.collapsed .new-chat-btn,
    .sidebar.collapsed .clear-data-btn,
    .sidebar.collapsed .knowledge-btn,
    .sidebar.collapsed .mode-dropdown {
        width: 35px;
        height: 35px;
    }
    
    .sidebar.collapsed .new-chat-btn i,
    .sidebar.collapsed .clear-data-btn i,
    .sidebar.collapsed .knowledge-btn i,
    .sidebar.collapsed .mode-dropdown-selected i {
        font-size: 0.9rem;
    }

.sidebar-header {
    padding: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-secondary);
}

.collapse-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.375rem;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
}

.collapse-btn:hover {
    background: var(--hover-bg);
    color: var(--primary-color);
}

.sidebar.collapsed .collapse-btn i {
    transform: rotate(180deg);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1rem;
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed .sidebar-content {
    padding: 0.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sidebar.collapsed .sidebar-section {
    padding: 0.25rem;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.sidebar.collapsed .sidebar-section h4 {
    display: none;
}

/* Evitar vazamento de conteúdo quando colapsada */
.sidebar.collapsed .chat-history,
.sidebar.collapsed .processed-files {
    display: none;
}

.sidebar.collapsed .new-chat-btn,
.sidebar.collapsed .clear-data-btn,
.sidebar.collapsed .knowledge-btn,
.sidebar.collapsed .script-generator-btn,
.sidebar.collapsed .user-profile-btn,
.sidebar.collapsed .logout-btn,
.sidebar.collapsed .mode-dropdown {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    position: relative;
    margin: 0;
    align-self: center;
}

.sidebar.collapsed .mode-dropdown-btn {
    width: 100%;
    height: 100%;
    padding: 0;
    justify-content: center;
    border-radius: 50%;
}

.sidebar.collapsed .mode-dropdown-selected {
    justify-content: center;
}

.sidebar.collapsed .mode-dropdown-selected span {
    display: none;
}

.sidebar.collapsed .mode-dropdown-selected i {
    margin: 0;
    font-size: 1rem;
}

.sidebar.collapsed .mode-dropdown-btn i.fa-chevron-down {
    display: none;
}

.sidebar.collapsed .new-chat-btn span,
.sidebar.collapsed .clear-data-btn span,
.sidebar.collapsed .knowledge-btn span,
.sidebar.collapsed .script-generator-btn span,
.sidebar.collapsed .user-profile-btn span,
.sidebar.collapsed .logout-btn span {
    display: none;
}

.sidebar.collapsed .new-chat-btn i,
.sidebar.collapsed .clear-data-btn i,
.sidebar.collapsed .knowledge-btn i,
.sidebar.collapsed .script-generator-btn i,
.sidebar.collapsed .user-profile-btn i,
.sidebar.collapsed .logout-btn i {
    font-size: 1rem;
    margin: 0;
}

/* Tooltips para sidebar colapsada */
.sidebar.collapsed .new-chat-btn::before,
.sidebar.collapsed .clear-data-btn::before,
.sidebar.collapsed .knowledge-btn::before,
.sidebar.collapsed .script-generator-btn::before,
.sidebar.collapsed .user-profile-btn::before,
.sidebar.collapsed .logout-btn::before,
.sidebar.collapsed .mode-dropdown::before {
    content: attr(title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    white-space: nowrap;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    margin-left: 0.5rem;
    border: 1px solid var(--border-color);
}

.sidebar.collapsed .new-chat-btn::after,
.sidebar.collapsed .clear-data-btn::after,
.sidebar.collapsed .knowledge-btn::after,
.sidebar.collapsed .script-generator-btn::after,
.sidebar.collapsed .user-profile-btn::after,
.sidebar.collapsed .logout-btn::after,
.sidebar.collapsed .mode-dropdown::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-right-color: var(--bg-primary);
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
    z-index: 1000;
    margin-left: -0.25rem;
}

.sidebar.collapsed .new-chat-btn:hover::before,
.sidebar.collapsed .clear-data-btn:hover::before,
.sidebar.collapsed .knowledge-btn:hover::before,
.sidebar.collapsed .script-generator-btn:hover::before,
.sidebar.collapsed .user-profile-btn:hover::before,
.sidebar.collapsed .logout-btn:hover::before,
.sidebar.collapsed .mode-dropdown:hover::before,
.sidebar.collapsed .new-chat-btn:hover::after,
.sidebar.collapsed .clear-data-btn:hover::after,
.sidebar.collapsed .knowledge-btn:hover::after,
.sidebar.collapsed .script-generator-btn:hover::after,
.sidebar.collapsed .user-profile-btn:hover::after,
.sidebar.collapsed .logout-btn:hover::after,
.sidebar.collapsed .mode-dropdown:hover::after {
    opacity: 1;
    visibility: visible;
}

/* Dark theme sidebar adjustments */
[data-theme="dark"] .sidebar {
    background: #1a1f2e;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .sidebar-header {
    background: #1a1f2e;
}



[data-theme="dark"] .sidebar.collapsed .new-chat-btn::before,
[data-theme="dark"] .sidebar.collapsed .clear-data-btn::before,
[data-theme="dark"] .sidebar.collapsed .knowledge-btn::before,
[data-theme="dark"] .sidebar.collapsed .mode-dropdown::before {
    background: #1f2937;
    color: var(--text-primary);
    border-color: #374151;
}

[data-theme="dark"] .sidebar.collapsed .new-chat-btn::after,
[data-theme="dark"] .sidebar.collapsed .clear-data-btn::after,
[data-theme="dark"] .sidebar.collapsed .knowledge-btn::after,
[data-theme="dark"] .sidebar.collapsed .mode-dropdown::after {
    border-right-color: #1f2937;
}

[data-theme="dark"] .settings-btn {
    background: #374151;
    color: var(--text-secondary);
}

[data-theme="dark"] .settings-btn:hover {
    background: #4b5563;
    color: var(--text-primary);
}

[data-theme="dark"] .settings-btn-fixed {
    background: rgba(31, 41, 55, 0.9);
    color: var(--text-secondary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .settings-btn-fixed:hover {
    background: rgba(55, 65, 81, 0.9);
    color: var(--text-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .settings-btn-fixed.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ===== DARK THEME SETTINGS PANEL ===== */
[data-theme="dark"] .settings-panel {
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
}

[data-theme="dark"] .settings-section {
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .info-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .preference-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

/* ===== Insights Pós-Upload ===== */
.insights-header { margin-bottom: 12px; }
.insights-header h3 { margin: 0 0 6px 0; font-size: 1rem; }
.insights-header p { margin: 0; color: #6b7280; font-size: 0.9rem; }

.insights-summary { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.insight-pill { background: #eef2ff; color: #3730a3; padding: 4px 8px; border-radius: 9999px; font-size: 0.8rem; }

.insights-actions { display: grid; grid-template-columns: 1fr; gap: 8px; }
.insight-action { display: flex; align-items: center; justify-content: space-between; background: #f8fafc; border: 1px solid #e5e7eb; border-radius: 8px; padding: 10px; }
.insight-action-title { font-weight: 600; margin-bottom: 2px; }
.insight-action-desc { color: #6b7280; font-size: 0.9rem; }
.insight-action-btn { background: #2563eb; border: none; color: white; padding: 8px 12px; border-radius: 6px; cursor: pointer; }
.insight-action-btn:hover { background: #1e40af; }

/* Knowledge Base Add Section */
.kb-add-section {
    padding: 15px;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin: 15px 0;
    text-align: center;
}

.kb-add-btn {
    background: var(--accent-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.3s;
}

.kb-add-btn:hover {
    background: #4a9eff;
}

.kb-add-info {
    margin: 8px 0 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.kb-add-success {
    color: var(--success-color);
    font-weight: 500;
    margin: 0;
}

[data-theme="dark"] .preference-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

/* ===== DARK THEME KNOWLEDGE MODAL ===== */
[data-theme="dark"] .knowledge-modal-content {
    background: var(--bg-primary);
}

[data-theme="dark"] .knowledge-modal-header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .knowledge-modal {
    backdrop-filter: blur(5px);
}

/* (removido) estilos do botão de debug */

/* Estilos adicionais para melhorar tabelas markdown */
.message-content table:not(.data-table),
.message-content .markdown-table {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.875rem;
}

.message-content table:not(.data-table) th,
.message-content .markdown-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    text-transform: none; /* Remove transformação para tabelas markdown */
    letter-spacing: normal;
    padding: 0.75rem 1rem;
    text-align: left;
    border-right: 1px solid var(--border-color);
    border-bottom: 2px solid var(--border-color);
}

.message-content table:not(.data-table) td,
.message-content .markdown-table td {
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    text-align: left;
    border-right: 1px solid var(--border-color);
    vertical-align: top;
}

.message-content .markdown-table th:last-child,
.message-content .markdown-table td:last-child {
    border-right: none;
}

/* Melhorias para células de tabela */
.message-content table td,
.message-content table th {
    position: relative;
}

/* Estilo para células vazias */
.message-content table td:empty::before {
    content: "—";
    color: var(--text-muted);
    font-style: italic;
}

/* Melhorias para tabelas com muitas colunas */
.message-content table.wide-table {
    min-width: 800px;
}

.message-content table.wide-table .table-container {
    max-width: 100vw;
    overflow-x: auto;
}

/* Estilos para tabelas compactas */
.message-content table.compact-table th,
.message-content table.compact-table td {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

/* Estilos para tabelas com bordas alternadas */
.message-content table.striped-table tbody tr:nth-child(even) {
    background: var(--bg-secondary);
}

/* Melhorias para tabelas em modo de impressão */
@media print {
    .message-content table {
        page-break-inside: avoid;
        border: 1px solid #000;
    }
    
    .message-content .table-container {
        overflow: visible;
        border: none;
        box-shadow: none;
    }
    
    .message-content table th {
        background: #f0f0f0 !important;
        color: #000 !important;
    }
}

/* Correções finais para tabelas */
.message-content table {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
}

.message-content .table-container {
    box-sizing: border-box;
    width: 100%;
    max-width: 100%;
}

/* Garantir que tabelas não quebrem o layout */
.message-content table,
.message-content .table-container {
    margin-left: 0;
    margin-right: 0;
}

/* Melhorar espaçamento entre tabelas e outros elementos */
.message-content table + table,
.message-content .table-container + .table-container {
    margin-top: 2rem;
}

.message-content p + table,
.message-content p + .table-container {
    margin-top: 1rem;
}

/* Garantir que células de tabela não tenham overflow */
.message-content table td,
.message-content table th {
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 0; /* Força ellipsis em células muito largas */
}

/* Estilo para tabelas em mensagens de erro */
.message-content .message.error table {
    border-color: var(--error-color);
    background: var(--error-bg);
}

/* Estilo para tabelas em mensagens de sucesso */
.message-content .message.success table {
    border-color: var(--success-color);
    background: var(--success-bg);
}

/* Melhorar legibilidade em dispositivos móveis */
@media (max-width: 640px) {
    .message-content table {
        font-size: 0.75rem;
    }
    
    .message-content table th,
    .message-content table td {
        padding: 0.375rem 0.5rem;
        word-break: break-word;
    }
    
    .message-content .table-container {
        margin: 0.5rem -0.5rem;
        border-radius: var(--radius-sm);
    }
}

/* Estilos para elementos markdown */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin: 1.5rem 0 1rem 0;
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.3;
}

.message-content h1 {
    font-size: 1.75rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.message-content h2 {
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.375rem;
}

.message-content h3 {
    font-size: 1.25rem;
}

.message-content h4 {
    font-size: 1.125rem;
}

.message-content h5,
.message-content h6 {
    font-size: 1rem;
}

.message-content p {
    margin: 1rem 0;
    line-height: 1.6;
    color: var(--text-primary);
}

.message-content strong,
.message-content b {
    font-weight: 700;
    color: var(--text-primary);
}

.message-content em,
.message-content i {
    font-style: italic;
    color: var(--text-secondary);
}

.message-content code {
    background: var(--bg-tertiary);
    color: var(--primary-color);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875em;
    border: 1px solid var(--border-color);
}

.message-content pre {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.message-content pre code {
    background: none;
    border: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.message-content ul,
.message-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.message-content li {
    margin: 0.5rem 0;
    line-height: 1.5;
    color: var(--text-primary);
}

/* Bullets brancos no modo escuro */
[data-theme="dark"] .message-content ul li::marker {
    color: var(--text-primary);
}

.message-content ul li {
    list-style-type: disc;
}

.message-content ol li {
    list-style-type: decimal;
}

/* Números brancos no modo escuro (para listas ol diretas) */
[data-theme="dark"] .message-content ol li::marker {
    color: var(--text-primary);
}

.message-content ul ul,
.message-content ol ol,
.message-content ul ol,
.message-content ol ul {
    margin: 0.5rem 0;
}

.message-content blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
    color: var(--text-secondary);
}

.message-content a {
    color: var(--primary-color);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.message-content a:hover {
    border-bottom-color: var(--primary-color);
}

.message-content hr {
    border: none;
    border-top: 2px solid var(--border-color);
    margin: 2rem 0;
}

/* Melhorias para listas aninhadas */
.message-content ul ul li {
    list-style-type: circle;
}

.message-content ul ul ul li {
    list-style-type: square;
}

.message-content ol ol li {
    list-style-type: lower-alpha;
}

.message-content ol ol ol li {
    list-style-type: lower-roman;
}

/* Listas aninhadas com markers brancos no modo escuro */
[data-theme="dark"] .message-content ul ul li::marker,
[data-theme="dark"] .message-content ul ul ul li::marker,
[data-theme="dark"] .message-content ol ol li::marker,
[data-theme="dark"] .message-content ol ol ol li::marker {
    color: var(--text-primary);
}

/* Estilos para elementos inline */
.message-content .highlight {
    background: var(--warning-color);
    color: white;
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-weight: 600;
}

.message-content .underline {
    text-decoration: underline;
}

.message-content .strikethrough {
    text-decoration: line-through;
    color: var(--text-muted);
}

/* Melhorias para modo escuro */
[data-theme="dark"] .message-content h1,
[data-theme="dark"] .message-content h2,
[data-theme="dark"] .message-content h3,
[data-theme="dark"] .message-content h4,
[data-theme="dark"] .message-content h5,
[data-theme="dark"] .message-content h6 {
    color: var(--text-primary);
}

[data-theme="dark"] .message-content blockquote {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

[data-theme="dark"] .message-content code {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .message-content pre {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

/* ===== FEEDBACK SYSTEM ===== */
.feedback-container {
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.feedback-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.feedback-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.feedback-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.feedback-btn.thumbs-up:hover {
    background: var(--success-bg);
    border-color: var(--success-color);
    color: var(--success-color);
}

.feedback-btn.thumbs-down:hover {
    background: var(--error-bg);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.feedback-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.feedback-btn i {
    font-size: 0.75rem;
}

/* Modo escuro para feedback */
[data-theme="dark"] .feedback-container {
    border-top-color: var(--border-color);
}

[data-theme="dark"] .feedback-btn {
    border-color: var(--border-color);
    color: var(--text-secondary);
}

[data-theme="dark"] .feedback-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.attached-files {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    justify-content: flex-start;
    align-items: center;
    margin-bottom: 0.5rem;
    max-width: 100%;
    width: 100%;
    background: none;
    padding: 0;
    margin-left: 0;
}

.attached-file {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.7rem 0.35rem 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 1.2rem;
    max-width: 220px;
    min-width: 0;
    font-size: 0.92em;
    height: 2.1rem;
    box-shadow: none;
    transition: background 0.2s;
}

.attached-file:hover {
    background: var(--bg-secondary);
    border-color: var(--primary-color);
}

.file-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.4rem;
    height: 1.4rem;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 600;
    background: #e0e7ef;
    color: #2563eb;
    flex-shrink: 0;
}
.file-icon.pdf { background: #fee2e2; color: #ef4444; }
.file-icon.docx { background: #dbeafe; color: #2563eb; }
.file-icon.txt { background: #f3f4f6; color: #6b7280; }
.file-icon.csv { background: #d1fae5; color: #10b981; }
.file-icon.png, .file-icon.jpg, .file-icon.jpeg { background: #ede9fe; color: #8b5cf6; }

.file-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.file-name {
    font-size: 0.93em;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}
.file-type {
    font-size: 0.7em;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: -2px;
}
.remove-file-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.2rem;
    height: 1.2rem;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 50%;
    font-size: 1.1rem;
    margin-left: 0.1rem;
    transition: background 0.2s, color 0.2s;
}
.remove-file-btn:hover {
    background: var(--danger-color);
    color: white;
}

/* Área de mensagens de status */
.knowledge-status-area {
    margin: 1rem 0;
    padding: 0.75rem;
    border-radius: 8px;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    min-height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transform: none !important;
    animation: none !important;
}

.knowledge-status-area:empty {
    display: none;
}

.knowledge-status-message {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: #495057;
    transform: none !important;
    animation: none !important;
}

.knowledge-status-message.success {
    color: #198754;
}

.knowledge-status-message.error {
    color: #dc3545;
}

.knowledge-status-message.info {
    color: #0d6efd;
}

.knowledge-status-message .spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #e9ecef;
    border-top: 2px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

.knowledge-status-message .fa-spinner {
    display: inline-block;
}

/* Modo escuro */
[data-theme="dark"] .knowledge-status-area {
    background: #2d3748;
    border-color: #4a5568;
    color: #e2e8f0;
}

[data-theme="dark"] .knowledge-status-message {
    color: #e2e8f0;
}

[data-theme="dark"] .knowledge-status-message.success {
    color: #68d391;
}

[data-theme="dark"] .knowledge-status-message.error {
    color: #fc8181;
}

[data-theme="dark"] .knowledge-status-message.info {
    color: #63b3ed;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== THOUGHTS STYLES ===== */
.thoughts-container {
    margin-bottom: 1rem;
    animation: slideDown 0.3s ease-out;
}

.thoughts-box {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    padding: 1rem;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

[data-theme="dark"] .thoughts-box {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
}

.thoughts-header {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.9;
}

.thoughts-header i {
    font-size: 1rem;
}

.thoughts-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.thought-item {
    font-size: 0.875rem;
    line-height: 1.5;
    padding-left: 1rem;
    position: relative;
    opacity: 0.95;
}

.thought-marker {
    position: absolute;
    left: 0;
    top: 0.125rem;
    opacity: 0.7;
}

/* ===== ENHANCED CODE BLOCKS ===== */
.code-block-enhanced {
    margin: 1rem 0;
    border-radius: 8px;
    overflow: hidden;
    background: #1e293b;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

[data-theme="dark"] .code-block-enhanced {
    background: #0f172a;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #334155;
    border-bottom: 1px solid #475569;
}

[data-theme="dark"] .code-block-header {
    background: #1e293b;
    border-bottom-color: #334155;
}

.code-language {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #e2e8f0;
    font-size: 0.875rem;
    font-weight: 500;
}

.code-language i {
    color: #64748b;
}

.code-copy-btn {
    background: transparent;
    border: none;
    color: #94a3b8;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.code-copy-btn:hover {
    background: #475569;
    color: #e2e8f0;
}

.code-block-content {
    overflow-x: auto;
}

.code-block-content pre {
    margin: 0;
    padding: 1rem;
    overflow-x: auto;
}

.code-block-content code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* Syntax highlighting improvements */
.code-block-content .hljs {
    background: transparent;
}

/* ===== CONVERSATION HISTORY ===== */
.conversation-item {
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    border: 1px solid var(--border-color);
}

.conversation-item:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.conversation-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.conversation-title {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.conversation-date {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* ===== ANIMATIONS ===== */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* [Removidos] estilos do indicador de uso */

/* ===== Software Grid Styles ===== */
.software-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.software-card {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.software-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.software-card.active {
    border-color: var(--primary-color);
    background: rgba(102, 126, 234, 0.05);
}

.software-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border-radius: 12px;
    font-size: 2rem;
}

.software-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.software-name {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    text-align: center;
}

.software-toggle {
    margin-top: 0.5rem;
}

.setting-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

/* ===== Cleanup Section Styles ===== */
.cleanup-section {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    margin: 1.5rem 0;
}

.cleanup-section h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.cleanup-section p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.btn-danger {
    background: #dc3545;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}