/**
 * Guides Page Styles
 * Optimized and consolidated CSS for travel guides
 */

/* ==========================================================================
   CSS Custom Properties (Variables)
   ========================================================================== */
:root {
    /* Colors - Primary */
    --color-primary: #0d6efd;
    --color-primary-hover: #0b5ed7;
    --color-primary-light: #e8f0fe;

    /* Colors - Status */
    --color-success: #28a745;
    --color-success-bg: #d4edda;
    --color-success-text: #155724;
    --color-danger: #dc3545;
    --color-danger-bg: #f8d7da;
    --color-danger-text: #721c24;
    --color-warning: #ffc107;
    --color-warning-bg: #fff3cd;
    --color-warning-text: #856404;
    --color-info: #17a2b8;
    --color-info-bg: #d1ecf1;
    --color-info-text: #0c5460;

    /* Colors - Neutrals */
    --color-text: #212529;
    --color-text-secondary: #555;
    --color-text-muted: #666;
    --color-text-light: #888;
    --color-border: #dee2e6;
    --color-border-light: #eee;
    --color-bg: #fff;
    --color-bg-light: #f8f9fa;
    --color-bg-subtle: #fafafa;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;

    /* Typography */
    --font-size-xs: 0.7rem;
    --font-size-sm: 0.85rem;
    --font-size-base: 0.9rem;
    --font-size-md: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.75rem;
    --line-height-tight: 1.4;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.guides-nav-bar {
    background: var(--color-bg);
    padding: 12px 0;
    border-bottom: 1px solid var(--color-border-light);
    z-index: 1020;
}

.guides-nav-bar .breadcrumb {
    background: transparent;
    padding: 0;
    font-size: 14px;
}

.guides-nav-brand {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text);
    text-decoration: none;
}

.guides-nav-brand:hover { color: var(--color-text); }

.guides-nav-left,
.guides-nav-right { flex: 1; }

.guides-nav-center { flex: 0 0 auto; }

.guides-nav-right {
    justify-content: flex-end;
}

.guides-nav-right .btn {
    padding: 8px 14px;
    font-size: 14px;
}

/* ==========================================================================
   Search Components
   ========================================================================== */
.guides-search-wrapper {
    display: flex;
    align-items: center;
    background: var(--color-bg-light);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 8px 14px;
    cursor: pointer;
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.guides-search-wrapper:hover {
    border-color: #adb5bd;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.guides-search-wrapper i {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-right: 10px;
}

.guides-search-wrapper input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 14px;
    outline: none;
    cursor: pointer;
}

.guides-search-wrapper input::placeholder { color: var(--color-text-muted); }

.guides-search-shortcut {
    background: #e9ecef;
    color: var(--color-text-muted);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-family: -apple-system, BlinkMacSystemFont, sans-serif;
}

@media (max-width: 767.98px) {
    .guides-search-wrapper {
        display: inline-flex;
        padding: 8px 12px;
        border-radius: 50%;
        width: 38px;
        height: 38px;
        justify-content: center;
    }
    .guides-search-wrapper i { margin-right: 0; }
}

/* Search Modal */
#guides-search-modal .modal-content {
    border-radius: var(--radius-xl);
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

#guides-search-modal .input-group-text,
#guides-search-modal .form-control { border-color: var(--color-border); }

#guides-search-modal .form-control:focus {
    box-shadow: none;
    border-color: var(--color-border);
}

#guides-search-results .search-result-item {
    display: block;
    padding: 10px 12px;
    border-radius: var(--radius-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: background-color var(--transition-fast);
}

#guides-search-results .search-result-item:hover { background-color: var(--color-bg-light); }
#guides-search-results .search-result-item .title { font-weight: 500; }
#guides-search-results .search-result-item .description {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 2px;
}

/* ==========================================================================
   Table of Contents (TOC)
   ========================================================================== */
.toc-nav {
    background: var(--color-bg-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    border: 1px solid var(--color-border-light);
}

.toc-nav h6 {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid #e0e0e0;
}

.toc-list { margin: 0; padding: 0; }

.toc-nav .nav-item { margin-bottom: var(--space-xs); }

.toc-nav .nav-link {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    border-left: 3px solid transparent;
    margin-left: 0;
}

.toc-nav .nav-link:hover {
    color: #000;
    background: #f0f0f0;
}

/* TOC Active States */
.toc-nav > .toc-list > .nav-item > .nav-link.active {
    color: var(--color-primary) !important;
    font-weight: 600 !important;
    background: var(--color-primary-light) !important;
    border-left-color: var(--color-primary) !important;
    padding-left: 1.25rem !important;
}

.toc-nav > .toc-list > .nav-item > .nav-link.section-active {
    color: var(--color-primary) !important;
    font-weight: 500 !important;
    border-left-color: var(--color-primary) !important;
    padding-left: 1.25rem !important;
}

/* TOC Sublist */
.toc-sublist {
    max-height: 0;
    overflow: hidden;
    margin-left: var(--space-sm);
    padding-left: var(--space-sm);
    border-left: 1px solid #ddd;
    transition: max-height var(--transition-slow), opacity var(--transition-slow);
    opacity: 0;
}

.toc-sublist.open {
    max-height: 500px;
    opacity: 1;
    margin-top: var(--space-xs);
    margin-bottom: var(--space-xs);
}

.toc-sublist .nav-link {
    font-size: 0.8rem;
    color: #777;
    padding: 0.25rem 0.5rem;
}

.toc-sublist .nav-link:hover {
    color: #000;
    background: #f0f0f0;
}

.toc-sublist .nav-link.active {
    color: var(--color-primary) !important;
    font-weight: 600 !important;
    background: var(--color-primary-light) !important;
    border-radius: var(--radius-sm);
    border-left-color: transparent !important;
}

/* ==========================================================================
   Article Content
   ========================================================================== */
.section-content {
    padding-bottom: var(--space-md);
    line-height: var(--line-height-relaxed);
    color: #333;
}

.section-content p { margin-bottom: 1.25rem; }

/* Section Headings */
article > section {
    padding-top: var(--space-xl);
    padding-bottom: var(--space-md);
    border-top: 1px solid #e9ecef;
}

article > section:first-of-type {
    border-top: none;
    padding-top: 0;
}

article > section > h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
}

/* Subsection Headings (h3) */
.section-content h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: #2c3e50;
    margin-top: var(--space-xl);
    margin-bottom: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px dashed var(--color-border);
}

.section-content h3:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

/* Sub-subsection Headings (h4) */
.section-content h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: #495057;
    margin-top: var(--space-lg);
    margin-bottom: 0.75rem;
}

/* Lists */
.section-content ul,
.section-content ol {
    margin-bottom: 1.25rem;
    padding-left: var(--space-lg);
}

.section-content li { margin-bottom: var(--space-sm); }

.section-content li > ul,
.section-content li > ol {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
}

/* Introduction Content */
.intro-content {
    font-size: var(--font-size-lg);
    line-height: 1.9;
    color: #333;
    padding-bottom: var(--space-lg);
    margin-bottom: var(--space-md);
}

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

/* Strong/Bold Text */
.section-content strong { color: #1a1a1a; }

/* Links in Content */
.section-content a:not(.citation),
.intro-content a:not(.citation) {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-normal);
}

.section-content a:not(.citation):hover,
.intro-content a:not(.citation):hover {
    border-bottom-color: var(--color-primary);
}

/* Blockquotes */
.section-content blockquote,
.intro-content blockquote {
    border-left: 4px solid var(--color-primary);
    background: var(--color-bg-light);
    padding: var(--space-md) 1.25rem;
    margin: var(--space-lg) 0;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    font-style: italic;
    color: var(--color-text-secondary);
}

/* Horizontal Rules */
.section-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: var(--space-xl) 0;
}

/* ==========================================================================
   Tables
   ========================================================================== */
.section-content table,
.intro-content table {
    width: 100%;
    margin: var(--space-md) 0;
    border-collapse: collapse;
    font-size: var(--font-size-md);
}

.section-content th,
.intro-content th {
    background-color: var(--color-bg-light);
    font-weight: 600;
    text-align: left;
    padding: 0.75rem;
    border: 1px solid var(--color-border);
}

.section-content td,
.intro-content td {
    padding: 0.75rem;
    border: 1px solid var(--color-border);
    vertical-align: top;
}

.section-content tr:nth-child(even),
.intro-content tr:nth-child(even) {
    background-color: var(--color-bg-light);
}

.section-content table a,
.intro-content table a { word-break: break-word; }

@media (max-width: 767px) {
    .section-content table,
    .intro-content table {
        display: block;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ==========================================================================
   Citations & References
   ========================================================================== */
a.citation {
    color: #0066cc;
    text-decoration: none;
    font-size: 0.85em;
    vertical-align: super;
}

a.citation:hover { text-decoration: underline; }

.references-list {
    column-count: 1;
    column-gap: var(--space-xl);
}

@media (min-width: 768px) { .references-list { column-count: 2; } }
@media (min-width: 1200px) { .references-list { column-count: 3; } }

.references-list .reference {
    break-inside: avoid;
    padding: var(--space-xs) 0;
    font-size: var(--font-size-base);
}

.references-list .reference a { word-break: break-word; }

/* ==========================================================================
   Mobile Section Styles
   ========================================================================== */
@media (max-width: 991px) {
    article > section {
        background: var(--color-bg-subtle);
        border-radius: var(--radius-lg);
        padding: var(--space-md);
        margin-bottom: 0.75rem;
        border-top: none;
    }

    article > section > h2 {
        margin-bottom: 0;
        padding-bottom: 0;
    }

    .section-content { padding-top: var(--space-md); }
    .section-content h3 { font-size: 1.15rem; margin-top: var(--space-lg); }

    section h2 button {
        font-size: var(--font-size-2xl);
        font-weight: 700 !important;
    }

    section h2 button i { transition: transform var(--transition-normal); }
    section h2 button[aria-expanded="true"] i { transform: rotate(180deg); }
}

/* ==========================================================================
   Text Selection Popup
   ========================================================================== */
.text-selection-popup {
    position: absolute;
    z-index: 1000;
    background: var(--color-bg);
    border-radius: var(--radius-lg);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    padding: 4px;
}

.text-selection-popup .popup-buttons {
    display: flex;
    gap: 2px;
}

.text-selection-popup .popup-btn {
    border: none;
    background: transparent;
    padding: 8px 12px;
    font-size: var(--font-size-sm);
    color: #333;
    cursor: pointer;
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition: background var(--transition-fast);
}

.text-selection-popup .popup-btn:hover { background: #f0f0f0; }
.text-selection-popup .popup-btn i { margin-right: 4px; }

.text-selection-popup::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid var(--color-bg);
}

/* Expanded Q&A View */
.text-selection-popup.expanded {
    width: 320px;
    padding: 12px;
}

.text-selection-popup.expanded::after { display: none; }

.popup-ask-view {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.popup-quote {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-left: 3px solid var(--color-primary);
    padding-left: 10px;
    font-style: italic;
    max-height: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popup-ask-input {
    display: flex;
    gap: 6px;
}

.popup-question-input {
    flex: 1;
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    padding: 8px 10px;
    font-size: var(--font-size-base);
    outline: none;
}

.popup-question-input:focus { border-color: var(--color-primary); }

.popup-ask-submit {
    border: none;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 8px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.popup-ask-submit:hover { background: var(--color-primary-hover); }
.popup-ask-submit:disabled { background: #ccc; cursor: not-allowed; }

.popup-answer {
    font-size: var(--font-size-base);
    color: #333;
    padding: 10px;
    background: var(--color-bg-light);
    border-radius: var(--radius-md);
    line-height: var(--line-height-tight);
}

.popup-answer.loading { color: var(--color-text-light); font-style: italic; }

.popup-ask-footer { display: flex; justify-content: flex-start; }

.popup-back-btn {
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
}

.popup-back-btn:hover { background: #f0f0f0; }

/* ==========================================================================
   Modal Styles (Shared)
   ========================================================================== */
.suggest-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.suggest-modal {
    background: var(--color-bg);
    border-radius: var(--radius-xl);
    max-width: 480px;
    width: 100%;
    padding: 24px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.suggest-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    border: none;
    background: none;
    font-size: 1.5rem;
    color: #999;
    cursor: pointer;
    line-height: 1;
    padding: 4px 8px;
}

.suggest-modal-close:hover { color: #333; }
.suggest-modal h4 { margin: 0 0 8px 0; font-size: var(--font-size-xl); }

.suggest-modal-desc {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    margin: 0 0 16px 0;
}

.suggest-modal-quote {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    border-left: 3px solid var(--color-primary);
    padding: 8px 12px;
    background: var(--color-bg-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin-bottom: 16px;
    font-style: italic;
    max-height: 80px;
    overflow: hidden;
}

/* Form Group */
.suggest-form-group { margin-bottom: 16px; }

.suggest-form-group label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 500;
    margin-bottom: 6px;
}

.suggest-form-group .required { color: var(--color-danger); }
.suggest-form-group .optional { color: #999; font-weight: normal; }

.suggest-form-group textarea {
    width: 100%;
    border: 1px solid #ddd;
    border-radius: var(--radius-md);
    padding: 10px 12px;
    font-size: var(--font-size-base);
    font-family: inherit;
    resize: vertical;
}

.suggest-form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.suggest-form-actions {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.suggest-submit-btn {
    border: none;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    cursor: pointer;
    width: 100%;
}

.suggest-submit-btn:hover { background: var(--color-primary-hover); }
.suggest-submit-btn:disabled { background: #ccc; cursor: not-allowed; }

.suggest-cancel-btn {
    border: none;
    background: transparent;
    padding: 10px 20px;
    font-size: var(--font-size-base);
    cursor: pointer;
    color: var(--color-text-muted);
    width: 100%;
}

.suggest-cancel-btn:hover { color: #333; }

.suggest-success {
    text-align: center;
    padding: 20px 0;
}

.suggest-success i {
    font-size: 3rem;
    color: var(--color-success);
    margin-bottom: 12px;
}

.suggest-success p { color: #333; margin: 0; }

/* Sign In Prompt Modal */
.signin-prompt-modal {
    max-width: 360px;
    text-align: center;
}

.signin-prompt-content { padding: 20px 0; }

.signin-prompt-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.signin-prompt-content h4 { margin: 0 0 8px 0; }

.signin-prompt-content p {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
    margin: 0 0 20px 0;
}

.signin-prompt-btn {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-bg);
    padding: 10px 32px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 500;
}

.signin-prompt-btn:hover {
    background: var(--color-primary-hover);
    color: var(--color-bg);
    text-decoration: none;
}

/* ==========================================================================
   Edit History (Shared Styles)
   ========================================================================== */
.edit-history {
    border-top: 1px solid var(--color-border-light);
    padding-top: var(--space-lg);
}

.edit-history-toggle {
    cursor: pointer;
    color: var(--color-text-muted);
    font-size: var(--font-size-md);
    padding: var(--space-sm) 0;
    margin-bottom: 0;
}

.edit-history-toggle:hover { color: #333; }
.edit-history-toggle i.fa-chevron-down { transition: transform var(--transition-normal); }
.edit-history-toggle[aria-expanded="true"] i.fa-chevron-down { transform: rotate(180deg); }

.edit-history-items { padding-top: var(--space-md); }

/* Edit Items (both inline and drawer) */
.edit-item,
.edit-history-item {
    background: #f9f9f9;
    border-radius: var(--radius-lg);
    padding: 12px 16px;
    margin-bottom: 10px;
    border-left: 3px solid #ddd;
}

.edit-item.edit-status-approved,
.edit-history-item.status-approved { border-left-color: var(--color-success); }

.edit-item.edit-status-rejected,
.edit-history-item.status-rejected { border-left-color: var(--color-danger); }

.edit-item.edit-status-pending,
.edit-history-item.status-pending { border-left-color: var(--color-warning); }

.edit-item.edit-status-processing,
.edit-history-item.status-processing { border-left-color: var(--color-info); }

.edit-item-header,
.edit-history-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    font-size: var(--font-size-sm);
}

.edit-history-header { justify-content: space-between; }
.edit-history-meta { display: flex; align-items: center; gap: 6px; }

/* Status Badges */
.edit-status-badge {
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
}

.edit-status-badge.status-approved { background: var(--color-success-bg); color: var(--color-success-text); }
.edit-status-badge.status-rejected { background: var(--color-danger-bg); color: var(--color-danger-text); }
.edit-status-badge.status-pending { background: var(--color-warning-bg); color: var(--color-warning-text); }
.edit-status-badge.status-processing { background: var(--color-info-bg); color: var(--color-info-text); }

.edit-date,
.edit-user,
.edit-history-date,
.edit-history-user { color: var(--color-text-light); font-size: 0.8rem; }

.edit-item-content,
.edit-history-content { font-size: var(--font-size-base); }

.edit-item-content > div,
.edit-history-content > div { margin-bottom: 6px; }

.edit-item-content strong,
.edit-history-content strong { color: var(--color-text-secondary); margin-right: 4px; }

.edit-original span,
.edit-applied span,
.edit-history-original span { font-style: italic; color: var(--color-text-muted); }

.edit-reasoning,
.edit-history-reasoning {
    background: var(--color-bg);
    padding: 8px;
    border-radius: var(--radius-sm);
    margin-top: 8px;
}

/* Edit History Sections */
.edit-history-section { margin-bottom: 12px; }
.edit-history-section:last-child { margin-bottom: 0; }

.edit-history-label {
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
    margin-bottom: 4px;
    font-weight: 600;
}

.edit-history-text {
    font-size: var(--font-size-sm);
    color: #333;
    line-height: var(--line-height-tight);
}

.edit-history-feedback {
    font-size: var(--font-size-sm);
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    line-height: var(--line-height-tight);
}

.edit-history-feedback.status-approved { background: var(--color-success-bg); color: var(--color-success-text); }
.edit-history-feedback.status-rejected { background: var(--color-danger-bg); color: var(--color-danger-text); }
.edit-history-feedback.status-pending { background: var(--color-warning-bg); color: var(--color-warning-text); }
.edit-history-feedback.status-processing { background: var(--color-info-bg); color: var(--color-info-text); }

/* ==========================================================================
   Edits History Drawer
   ========================================================================== */
.edits-history-btn { white-space: nowrap; }

#edits-drawer { width: 400px; }
#edits-drawer .nav-tabs { border-bottom: 1px solid var(--color-border); }
#edits-drawer .nav-link { color: var(--color-text-muted); font-size: var(--font-size-base); }
#edits-drawer .nav-link.active { font-weight: 500; }
#edits-drawer .badge { font-size: var(--font-size-xs); margin-left: 4px; }

.edits-history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.edit-history-item {
    border: 1px solid var(--color-border-light);
    background: var(--color-bg-subtle);
}

/* ==========================================================================
   Index Page
   ========================================================================== */
.guides-index-container {
    display: flex;
    align-items: center;
}

.guides-index-container > .row {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
}

@media (max-width: 767.98px) {
    .guides-index-container > .row > div {
        padding-left: 20px;
        padding-right: 20px;
        margin: 0 auto;
    }
}