/**
 * Syntax Browser - Simplified Side-by-Side Viewer
 *
 * CSS for standalone syntax browser with split-pane layout,
 * resizable divider, and synchronized scrolling.
 */

/* Reset body styles for full-width layout */
body {
    margin: 0;
    padding: 0;
    overflow: hidden;
    font-family: sans-serif;
}

/* Header tab (shown when header is collapsed) */
.header-tab {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    border-bottom: 2px solid #3498db;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 150;
    cursor: pointer;
    transition: background 0.2s ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.header-tab:hover {
    background: linear-gradient(to bottom, #e9ecef, #dee2e6);
}

.header-tab.visible {
    display: flex;
}

.header-tab-text {
    font-size: 14px;
    font-weight: 600;
    color: #2c3e50;
}

/* Spec header at the top */
.spec-header {
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    border-bottom: 3px solid #3498db;
    padding: 15px 30px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    max-height: 200px;
    overflow: hidden;
    position: relative;
    z-index: 100;
}

.spec-header.collapsed {
    max-height: 0;
    padding: 0 30px;
    opacity: 0;
    pointer-events: none;
    border-bottom: none;
}

/* Push content down when header is visible - removed, no longer needed */

.spec-header-content {
    display: flex;
    align-items: center;
    gap: 20px;
    justify-content: center;
}

.spec-logo {
    height: 60px;
    width: auto;
}

.spec-info {
    text-align: left;
}

/* Search trigger button */
.search-trigger {
    background: transparent;
    border: 2px solid #3498db;
    border-radius: 6px;
    padding: 8px 12px;
    cursor: pointer;
    color: #3498db;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-trigger:hover {
    background: #3498db;
    color: white;
}

.search-trigger:active {
    transform: scale(0.95);
}

/* Header close button - Windows style */
.header-close {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 10px 16px;
    cursor: pointer;
    color: #666;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 4px;
}

.header-close:hover {
    background: #e81123;
    color: white;
}

.header-close:active {
    background: #c50f1f;
    color: white;
}

.spec-header h1 {
    margin: 0 0 5px 0;
    font-size: 22px;
    color: #2c3e50;
    font-weight: bold;
}

.spec-header .spec-meta {
    margin: 0;
    font-size: 14px;
    color: #555;
}

.spec-header .spec-version {
    margin: 5px 0 0 0;
    font-size: 13px;
    color: #666;
}

.spec-header .spec-version strong {
    color: #2c3e50;
}

/* Warning banner */
.warning-banner {
    margin-top: 15px;
    padding: 12px 20px;
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 4px;
    color: #856404;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.warning-banner strong {
    color: #856404;
}

.warning-banner a {
    color: #0066cc;
    text-decoration: underline;
    font-weight: 500;
}

.warning-banner a:hover {
    color: #004499;
}

/* Main container - full viewport minus footer */
.sidebyside-container {
    display: flex;
    width: 100vw;
    height: calc(100vh - 35px); /* Just footer (35px) */
    position: relative;
    background: #fff;
    box-sizing: border-box;
    transition: height 0.3s ease;
}

/* No adjustment needed when collapsed - removed */

/* Individual panes (left = syntax, right = semantics) */
.sidebyside-pane {
    flex: 1;
    min-width: 200px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    background: #fafafa;
}

/* No padding adjustments needed - removed */

.sidebyside-left {
    flex: 3;  /* 60% width by default */
    border-right: 1px solid #ddd;
}

.sidebyside-right {
    flex: 2;  /* 40% width by default */
    border-left: 1px solid #ddd;
}

/* Pane headers */
.pane-header {
    background: linear-gradient(to bottom, #2c3e50, #34495e);
    color: white;
    padding: 12px 20px;
    font-weight: bold;
    font-size: 16px;
    flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Breadcrumb navigation */
.breadcrumb-container {
    background: #f8f9fa;
    border-bottom: 1px solid #dee2e6;
    padding: 8px 20px;
    font-size: 13px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    white-space: nowrap;
}

.breadcrumb-item {
    color: #495057;
    transition: color 0.2s ease;
}

.breadcrumb-item.clickable {
    color: #0066cc;
    cursor: pointer;
    text-decoration: none;
}

.breadcrumb-item.clickable:hover {
    color: #004499;
    text-decoration: underline;
}

.breadcrumb-separator {
    color: #adb5bd;
    margin: 0 4px;
    user-select: none;
}

.breadcrumb-item.active {
    font-weight: 600;
    color: #2c3e50;
}

/* Scrollable content area */
.pane-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 20px 30px; /* Comfortable padding */
    scroll-behavior: smooth;
    background: white;
}

/* Darker background for semantics pane */
#semantics-content {
    background: #ebebeb;
}

/* Resizable divider between panes */
.sidebyside-divider {
    width: 8px;
    background: linear-gradient(to right, #ddd, #ccc, #ddd);
    cursor: col-resize;
    position: relative;
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.sidebyside-divider:hover {
    background: linear-gradient(to right, #999, #777, #999);
}

.sidebyside-divider:active {
    background: #0066cc;
}

/* Visual indicator on divider */
.sidebyside-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 1px;
}

/* Section headings */
h2, h3, h4 {
    color: #2c3e50;
    margin-top: 30px;
    margin-bottom: 15px;
}

h2 { font-size: 24px; border-bottom: 2px solid #3498db; padding-bottom: 8px; }
h3 { font-size: 20px; }
h4 { font-size: 16px; }

/* Make headings clickable */
h3[id$="_syntax"], h4[id$="_syntax"],
h3[id$="_semantics"], h4[id$="_semantics"] {
    cursor: pointer;
    transition: color 0.2s ease;
}

h3[id$="_syntax"]:hover, h4[id$="_syntax"]:hover,
h3[id$="_semantics"]:hover, h4[id$="_semantics"]:hover {
    color: #0066cc;
}

/* Active/highlighted section */
.section-highlighted {
    background-color: #fff8dc;
    padding: 10px;
    margin: -10px;
    border-radius: 4px;
    box-shadow: 0 0 0 3px #ffd700;
    transition: all 0.3s ease;
}

/* SDL syntax tables styling - MATCH ORIGINAL SPEC */
.sdl-syntax-wrapper {
    margin: 1em 0;
    overflow-x: auto;
}

.sdl-syntax-table {
    width: 100%;
    border-collapse: collapse;
    border: 1px solid #ddd;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 0.9em;
    background-color: #f8f9fa;
    margin-bottom: 1rem;
}

/* Table header - MATCH ORIGINAL */
.sdl-syntax-table thead {
    background-color: #e9ecef;
    font-weight: bold;
}

.sdl-syntax-table thead th {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 2px solid #ccc;
    border-right: 1px solid #ccc;
}

.sdl-syntax-table thead th:last-child {
    border-right: none;
}

/* Syntax name column header (left) */
.sdl-syntax-table .sdl-syntax-name {
    width: 85%;
}

/* Descriptor column header (right) - narrow */
.sdl-syntax-table .sdl-descriptor-header {
    width: 15%;
    min-width: 100px;
    text-align: center;
}

/* Table body */
.sdl-syntax-table tbody tr {
    border-bottom: 1px solid #e9ecef;
}

.sdl-syntax-table tbody tr:last-child {
    border-bottom: none;
}

.sdl-syntax-table tbody td {
    padding: 0.4rem 0.75rem;
    vertical-align: middle;
}

/* All cells in the first column (syntax/code) get the border */
.sdl-syntax-table tbody td:first-child {
    border-right: 1px solid #ccc;
}

/* Descriptor column (right side) - narrow */
.sdl-syntax-table .sdl-descriptor {
    width: 15%;
    min-width: 100px;
    font-weight: normal;
    color: #0066cc;
    text-align: center;
}

/* Variable/syntax element column with descriptor (left side) - BOLD */
.sdl-syntax-table .sdl-var-with-descriptor {
    width: 85%;
    font-weight: bold;
    color: #000;
    text-align: left;
}

/* Code lines without descriptors (full width) - NOT BOLD */
.sdl-syntax-table .sdl-code {
    font-weight: normal;
    color: #333;
    text-align: left;
}

/* Alternating row colors for better readability */
.sdl-syntax-table tbody tr:nth-child(even) {
    background-color: #ffffff;
}

.sdl-syntax-table tbody tr:nth-child(odd) {
    background-color: #f8f9fa;
}

/* Make syntax variables clickable and hoverable */
.sdl-var-with-descriptor span {
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
    padding: 2px 4px;
    border-radius: 3px;
}

.sdl-var-with-descriptor span:hover {
    color: #0066cc !important;
    background: #e3f2fd;
}

/* Highlighted element in semantics */
.element-highlighted {
    background-color: #ffeb3b !important;
    padding: 4px 8px;
    border-radius: 3px;
    transition: background-color 0.3s ease;
    box-shadow: 0 0 0 2px #ffd54f;
}

/* Semantics content styling */
p {
    line-height: 1.6;
    margin: 10px 0;
    color: #333;
}

strong, b {
    color: #2c3e50;
    font-weight: 600;
}

/* Clickable variables in semantics (reverse navigation) */
strong.clickable-var, b.clickable-var {
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
    padding: 2px 4px;
    border-radius: 3px;
}

strong.clickable-var:hover, b.clickable-var:hover {
    color: #0066cc !important;
    background: #e3f2fd;
}

/* Tables in semantics */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background: white;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

table th {
    background: #ecf0f1;
    padding: 10px;
    text-align: left;
    font-weight: bold;
    border-bottom: 2px solid #bdc3c7;
    color: #333;
}

table td {
    padding: 8px 10px;
    border-bottom: 1px solid #ecf0f1;
    color: #333;
}

table tr:hover {
    background: #f8f9fa;
}

/* Custom scrollbar styling */
.pane-content::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

.pane-content::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.pane-content::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

.pane-content::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* Responsive behavior for smaller screens */
@media (max-width: 1200px) {
    .sidebyside-container {
        flex-direction: column;
    }

    .sidebyside-divider {
        width: 100%;
        height: 8px;
        cursor: row-resize;
    }

    .sidebyside-divider::before {
        width: 40px;
        height: 2px;
    }

    .sidebyside-left,
    .sidebyside-right {
        border: none;
        border-bottom: 1px solid #ddd;
    }

    .sidebyside-pane {
        min-height: 300px;
    }
}

/* Mobile header - make it compact */
@media (max-width: 768px) {
    .spec-header {
        padding: 8px 15px;
    }

    .spec-header-content {
        gap: 10px;
    }

    .spec-logo {
        height: 30px;
        width: auto;
    }

    .spec-header h1 {
        font-size: 16px;
        margin: 0 0 3px 0;
    }

    .spec-header .spec-meta {
        font-size: 11px;
        margin: 0;
    }

    .spec-header .spec-version {
        font-size: 10px;
        margin: 2px 0 0 0;
    }

    .warning-banner {
        margin-top: 8px;
        padding: 8px 12px;
        font-size: 11px;
    }

    /* Make pane headers compact on mobile */
    .pane-header {
        padding: 8px 15px;
        font-size: 13px;
    }

    /* Reduce font sizes across all content on mobile */
    .pane-content {
        font-size: 14px;
        padding: 15px 20px; /* Slightly reduce padding too */
    }

    /* Headings in mobile */
    .pane-content h2 {
        font-size: 20px;
    }

    .pane-content h3 {
        font-size: 17px;
    }

    .pane-content h4 {
        font-size: 15px;
    }

    /* Paragraphs and text in semantics */
    .pane-content p {
        font-size: 14px;
        line-height: 1.5;
    }

    /* Reduce syntax table font size on mobile */
    .sdl-syntax-table {
        font-size: 0.75em; /* Reduced from 0.9em */
    }

    .sdl-syntax-table thead th {
        padding: 0.5rem;
        font-size: 0.85em;
    }

    .sdl-syntax-table tbody td {
        padding: 0.3rem 0.5rem;
    }

    /* Tables in semantics pane */
    table {
        font-size: 13px;
    }

    table th, table td {
        padding: 6px 8px;
        font-size: 13px;
    }

    /* Make footer compact on mobile */
    .syntax-browser-footer {
        padding: 6px 15px;
        font-size: 10px;
    }

    .syntax-browser-footer p {
        margin: 0;
        line-height: 1.2;
    }

    .syntax-browser-footer a {
        margin: 0 3px;
    }

    .sidebyside-container {
        height: calc(100vh - 145px); /* Adjusted for smaller header and footer */
    }
}

/* Loading state */
.sidebyside-container.loading::after {
    content: 'Loading...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    padding: 20px 40px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 18px;
    font-weight: bold;
    color: #333;
}

/* Footer */
.syntax-browser-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to bottom, #f8f9fa, #e9ecef);
    border-top: 2px solid #3498db;
    padding: 8px 20px;
    text-align: center;
    font-size: 12px;
    color: #555;
    z-index: 100;
}

.syntax-browser-footer p {
    margin: 0;
    line-height: 1.4;
}

.syntax-browser-footer a {
    color: #0066cc;
    text-decoration: none;
    font-weight: 500;
    margin: 0 5px;
}

.syntax-browser-footer a:hover {
    text-decoration: underline;
    color: #004499;
}

/* Search Overlay */
.search-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(2px);
}

.search-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    width: 90%;
    max-width: 600px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.search-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 18px;
    padding: 8px;
    color: #333;
}

.search-input::placeholder {
    color: #999;
}

.search-close {
    background: transparent;
    border: none;
    font-size: 24px;
    color: #666;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
    transition: color 0.2s ease;
}

.search-close:hover {
    color: #333;
}

.search-results {
    flex: 1;
    overflow-y: auto;
    padding: 10px;
}

.search-result-item {
    padding: 12px 15px;
    border-bottom: 1px solid #f0f0f0;
    cursor: pointer;
    transition: background 0.2s ease;
}

.search-result-item:hover {
    background: #f8f9fa;
}

.search-result-item:last-child {
    border-bottom: none;
}

.result-variable {
    font-weight: bold;
    color: #2c3e50;
    font-size: 16px;
    margin-bottom: 4px;
}

.result-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
}

.result-badge {
    background: #3498db;
    color: white;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 500;
}

.result-badge.syntax {
    background: #27ae60;
}

.result-badge.semantics {
    background: #e67e22;
}

.result-badge.section {
    background: #9b59b6;
}

.result-section {
    color: #999;
    font-size: 12px;
}

.result-context {
    font-size: 13px;
    color: #666;
    margin-top: 4px;
    line-height: 1.4;
}

.search-no-results {
    padding: 40px 20px;
    text-align: center;
    color: #999;
}

.search-no-results-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
    color: #666;
}

.search-no-results-text {
    font-size: 14px;
}

.search-info {
    padding: 20px;
    text-align: center;
    color: #999;
    font-size: 14px;
}

/* Mobile adjustments for search */
@media (max-width: 768px) {
    .search-overlay.active {
        align-items: flex-end;
    }

    .search-container {
        width: 100%;
        max-width: 100%;
        border-radius: 12px 12px 0 0;
        max-height: 85vh;
    }

    .search-header {
        padding: 15px;
    }

    .search-input {
        font-size: 16px;
    }

    .search-trigger {
        padding: 6px 10px;
    }
}

/* Syntax Copy Button */
.syntax-copy-btn {
    position: absolute;
    top: 50%;
    right: 12px;
    transform: translateY(-50%);
    background: rgba(52, 152, 219, 0.1);
    border: 1px solid rgba(52, 152, 219, 0.3);
    border-radius: 4px;
    padding: 6px 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    color: #3498db;
}

.syntax-copy-btn:hover {
    background: rgba(52, 152, 219, 0.2);
    border-color: rgba(52, 152, 219, 0.5);
}

.syntax-copy-btn.copied {
    background: rgba(46, 204, 113, 0.2);
    border-color: rgba(46, 204, 113, 0.5);
    color: #2ecc71;
}

.syntax-copy-btn svg {
    width: 16px;
    height: 16px;
}