/* AutoDoc Common CSS - Consolidated and Modernized */
/* Combines all shared CSS from server and Hugo with modern CSS layers */

/* Define layer order upfront for proper cascade control */
@layer autodoc.reset, autodoc.variables, autodoc.base, autodoc.components;

/* ===========================================
   RESET LAYER - Minimal, replaceable reset
   =========================================== */
@layer autodoc.reset {
    .autodoc *,
    .autodoc *::before,
    .autodoc *::after {
        box-sizing: border-box;
    }

    .autodoc {
        margin: 0;
        line-height: 1.6;
    }
}

/* ===========================================
   VARIABLES LAYER - Pure CSS custom properties
   =========================================== */
@layer autodoc.variables {
    .autodoc {
        /* Enhanced color palette */
        --autodoc-primary: #007acc;
        --autodoc-primary-hover: #005fa3;
        --autodoc-success: #28a745;
        --autodoc-danger: #dc3545;
        --autodoc-warning: #ffc107;
        --autodoc-info: #17a2b8;

        /* Light theme colors (default) */
        --autodoc-bg: #ffffff;
        --autodoc-text: #24292f;
        --autodoc-text-muted: #656d76;
        --autodoc-border: #d1d9e0;
        --autodoc-header-bg: #f6f8fa;
        --autodoc-nav-bg: #ffffff;
        --autodoc-nav-border: #d1d9e0;

        /* Code colors */
        --autodoc-code-bg: #f8f9fa;
        --autodoc-code-border: #e9ecef;
        --autodoc-code-text: #24292f;

        /* Layout */
        --autodoc-max-width: 1200px;
        --autodoc-border-radius: 8px;
        --autodoc-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        --autodoc-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);

        /* Component sizing */
        --autodoc-button-padding: 0.25rem 0.5rem;
        --autodoc-control-height: 28px;
        --autodoc-header-padding: 0.75rem 1rem;

        /* Transitions */
        --autodoc-transition: all 0.2s ease;

        /* Theme overrides moved to html element for proper cascade */
    }
}

/* Theme overrides for explicit theme settings on html element */
html[data-theme="dark"] .autodoc {
    --autodoc-bg: #0d1117;
    --autodoc-text: #f0f6fc;
    --autodoc-text-muted: #8b949e;
    --autodoc-border: #30363d;
    --autodoc-header-bg: #161b22;
    --autodoc-nav-bg: #21262d;
    --autodoc-nav-border: #30363d;
    --autodoc-code-bg: #0d1117;
    --autodoc-code-border: #30363d;
    --autodoc-code-text: #f0f6fc;
    --autodoc-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --autodoc-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
}

html[data-theme="light"] .autodoc {
    --autodoc-bg: #ffffff;
    --autodoc-text: #24292f;
    --autodoc-text-muted: #656d76;
    --autodoc-border: #d1d9e0;
    --autodoc-header-bg: #f6f8fa;
    --autodoc-nav-bg: #ffffff;
    --autodoc-nav-border: #d1d9e0;
    --autodoc-code-bg: #f8f9fa;
    --autodoc-code-border: #e9ecef;
    --autodoc-code-text: #24292f;
    --autodoc-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --autodoc-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.15);
}

/* Auto theme respects system preference - not needed with Option B approach */
@media (prefers-color-scheme: dark) {
    html:not([data-theme]) .autodoc {
        --autodoc-bg: #0d1117;
        --autodoc-text: #f0f6fc;
        --autodoc-text-muted: #8b949e;
        --autodoc-border: #30363d;
        --autodoc-header-bg: #161b22;
        --autodoc-nav-bg: #21262d;
        --autodoc-nav-border: #30363d;
        --autodoc-code-bg: #0d1117;
        --autodoc-code-border: #30363d;
        --autodoc-code-text: #f0f6fc;
        --autodoc-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
        --autodoc-shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.4);
    }

/* ===========================================
   BASE LAYER - Foundation styling (can be safely overridden)
   =========================================== */
@layer autodoc.base {
    .autodoc {
        /* Base styling for autodoc containers */
        font-family:
            -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
            "Helvetica Neue", Arial, sans-serif;
        color: var(--autodoc-text);
        background: var(--autodoc-bg);
        transition: var(--autodoc-transition);
    }
}

/* ===========================================
   COMPONENTS LAYER - All autodoc components
   =========================================== */
@layer autodoc.components {
    .autodoc {
        /* Typography */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--autodoc-text);
            margin-block: 0 1rem;
            line-height: 1.3;
            font-weight: 600;
        }

        h1 {
            font-size: 2.5rem;
            border-block-end: 3px solid var(--autodoc-primary);
            padding-block-end: 0.5rem;
            margin-block-end: 2rem;
        }

        h2 {
            font-size: 2rem;
            color: var(--autodoc-primary);
            border-block-end: 2px solid var(--autodoc-border);
            padding-block-end: 0.5rem;
        }

        h3 {
            font-size: 1.5rem;
            color: var(--autodoc-primary);
        }

        /* Links */
        a {
            color: var(--autodoc-primary);
            text-decoration: none;
            transition: var(--autodoc-transition);

            &:hover {
                color: var(--autodoc-primary-hover);
                text-decoration: underline;
            }
        }

        /* Navigation and breadcrumbs */
        .header {
            border-block-end: 2px solid var(--autodoc-border);
            margin-block-end: 2rem;
            padding-block-end: 1rem;
            background: var(--autodoc-header-bg);
            margin: -2rem -2rem 2rem -2rem;
            padding: 2rem 2rem 1rem 2rem;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-block-end: 1rem;
            flex-wrap: wrap;

            a {
                padding: 0.5rem 1rem;
                border-radius: var(--autodoc-border-radius);
                border: 1px solid var(--autodoc-nav-border);
                background: var(--autodoc-nav-bg);
                color: var(--autodoc-text);
                transition: var(--autodoc-transition);
                font-weight: 500;
                text-decoration: none;

                &:hover {
                    background: var(--autodoc-primary);
                    color: white;
                    border-color: var(--autodoc-primary);
                    text-decoration: none;
                    transform: translateY(-1px);
                    box-shadow: var(--autodoc-shadow);
                }
            }

            /* Search within server navigation */
            .autodoc-unified-search {
                position: relative;
                min-width: 200px;
                margin-left: auto;
            }

            .autodoc-search-input {
                background: var(--autodoc-nav-bg);
                border: 1px solid var(--autodoc-nav-border);
                border-radius: var(--autodoc-border-radius);
                padding: 0.5rem 1rem;
                font-size: 0.9rem;
                color: var(--autodoc-text);
                width: 100%;
                transition: var(--autodoc-transition);
            }

            .autodoc-search-input:focus {
                outline: none;
                border-color: var(--autodoc-primary);
                box-shadow: 0 0 0 2px rgba(0, 122, 204, 0.1);
            }

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

            .autodoc-search-filters {
                display: none; /* Hidden by default, shown by JS when needed */
                gap: 2px;
                margin-top: 0.25rem;
                height: 3rem;
                overflow: hidden;
            }

            /* Show filters when JavaScript has determined they should be visible */
            .autodoc-search-filters.js-show-filters {
                display: flex;
            }

            .autodoc-filter-btn {
                background: var(--autodoc-nav-bg);
                border: 1px solid var(--autodoc-nav-border);
                border-radius: var(--autodoc-border-radius);
                padding: 1px 6px;
                margin: 1px 0;
                font-size: 0.75rem;
                color: var(--autodoc-text-muted);
                cursor: pointer;
                transition: var(--autodoc-transition);
                min-height: auto;
                display: inline-flex;
                align-items: center;
                justify-content: center;
                user-select: none;
            }

            /* Only apply flex:1 when multiple buttons exist */
            .autodoc-search-filters:has(.autodoc-filter-btn:nth-child(2)) .autodoc-filter-btn {
                flex: 1;
            }

            .autodoc-filter-btn:hover {
                background: var(--autodoc-primary-light, rgba(0, 122, 204, 0.1));
                border-color: var(--autodoc-primary);
                transform: translateY(-1px);
            }

            .autodoc-filter-btn.active {
                color: var(--autodoc-primary);
                font-weight: 500;
            }

            .autodoc-filter-btn:active {
                transform: scale(0.95);
            }

            .autodoc-search-results {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--autodoc-nav-bg);
                border: 1px solid var(--autodoc-nav-border);
                border-radius: var(--autodoc-border-radius);
                max-height: 300px;
                overflow-y: auto;
                z-index: 1000;
                display: none;
                box-shadow: var(--autodoc-shadow);
                margin-top: 2px;
            }

            .autodoc-search-results[style*="block"] {
                display: block;
            }
        }

        .breadcrumb {
            color: var(--autodoc-text-muted);
            margin-block-end: 1rem;
            font-size: 0.9rem;

            a {
                color: var(--autodoc-primary);
                font-weight: 500;
            }

            .separator {
                margin-inline: 0.5rem;
                color: var(--autodoc-text-muted);
                font-weight: normal;
            }
        }

        /* Code blocks and syntax highlighting */
        .code-block,
        .autodoc-code-block {
            margin-block: 2rem;
            border-radius: var(--autodoc-border-radius);
            border: 1px solid var(--autodoc-code-border);
            background: var(--autodoc-code-bg);
            position: relative;
            overflow: hidden;
            box-shadow: var(--autodoc-shadow);
            transition: var(--autodoc-transition);

            &:hover {
                box-shadow: var(--autodoc-shadow-hover);
            }
        }

        .code-header,
        .autodoc-code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: var(--autodoc-header-padding);
            background: rgba(0, 0, 0, 0.05);
            border-block-end: 1px solid var(--autodoc-code-border);
            font-size: 0.85rem;
            min-height: var(--autodoc-control-height);
            box-sizing: border-box;
        }

        .code-info,
        .autodoc-code-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .filename,
        .autodoc-filename {
            font-family:
                "SF Mono", "Monaco", "Menlo", "Ubuntu Mono", "Consolas",
                monospace;
            color: var(--autodoc-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        .language-badge,
        .autodoc-language-badge {
            background: var(--autodoc-primary);
            color: white;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .lines-info,
        .autodoc-lines-info {
            color: var(--autodoc-text-muted);
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* Control buttons */
        .code-controls,
        .autodoc-code-controls {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .control-btn,
        .autodoc-control-btn {
            background: transparent;
            border: 1px solid var(--autodoc-code-border);
            color: var(--autodoc-code-text);
            padding: var(--autodoc-button-padding);
            border-radius: 4px;
            font-size: 0.75rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            transition: var(--autodoc-transition);
            font-family: inherit;

            &:hover {
                background: var(--autodoc-primary);
                color: white;
                border-color: var(--autodoc-primary);
                transform: translateY(-1px);
            }

            &.success {
                background: var(--autodoc-success) !important;
                border-color: var(--autodoc-success) !important;
                color: white !important;
            }

            &.active {
                background: var(--autodoc-primary);
                color: white;
                border-color: var(--autodoc-primary);
            }

            &:focus {
                outline: 2px solid var(--autodoc-primary);
                outline-offset: 2px;
            }
        }

        /* Index page components - extracted from server.go strings */
        .enhanced-index {
            max-width: var(--autodoc-max-width);
            margin: 0 auto;
            padding: 2rem;
        }

        .index-summary {
            margin-block-end: 3rem;
            text-align: center;

            h1 {
                margin-block-end: 2rem;
                color: var(--autodoc-primary);
            }
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-block: 2rem;
        }

        .stat-card {
            background: var(--autodoc-code-bg);
            border: 2px solid var(--autodoc-code-border);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s ease;

            &:hover {
                border-color: var(--autodoc-primary);
                transform: translateY(-2px);
                box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
            }
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--autodoc-primary);
            margin-block-end: 0.5rem;
        }

        .stat-label {
            font-size: 1rem;
            color: var(--autodoc-text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* Language sections and filtering */
        .language-breakdown {
            margin-block: 3rem;
        }

        .filter-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-block: 1rem 2rem;
        }

        .filter-btn {
            background: var(--autodoc-code-bg);
            border: 2px solid var(--autodoc-code-border);
            border-radius: 25px;
            padding: 0.5rem 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;

            &:hover {
                border-color: var(--autodoc-primary);
                background: rgba(0, 102, 204, 0.1);
            }

            &.active {
                background: var(--autodoc-primary);
                color: white;
                border-color: var(--autodoc-primary);
            }
        }

        .language-section {
            margin-block: 3rem;
            transition: opacity 0.3s ease;

            &.hidden {
                display: none;
            }

            h2 {
                display: flex;
                align-items: center;
                gap: 1rem;
                margin-block-end: 2rem;
            }
        }

        .language-badge {
            background: var(--autodoc-primary);
            color: white;
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* Example cards */
        .example-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.5rem;

            @container (max-width: 600px) {
                grid-template-columns: 1fr;
            }
        }

        .example-card {
            background: var(--autodoc-code-bg);
            border: 2px solid var(--autodoc-code-border);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;

            &:hover {
                transform: translateY(-2px);
                box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
                border-color: var(--autodoc-primary);
            }
        }

        .example-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-block-end: 1rem;
            gap: 1rem;

            h3 {
                margin: 0;
                font-size: 1.2rem;
                line-height: 1.3;
            }

            a {
                color: var(--autodoc-primary);
                text-decoration: none;
                font-weight: 600;

                &:hover {
                    text-decoration: underline;
                }
            }
        }

        .example-description {
            color: var(--autodoc-text-muted);
            margin-block: 0 1rem;
            line-height: 1.5;
            font-size: 0.95rem;
        }

        .example-stats {
            display: flex;
            gap: 1rem;
            margin-block-end: 1rem;
            font-size: 0.85rem;
            color: var(--autodoc-text-muted);
            flex-wrap: wrap;

            span {
                background: rgba(0, 102, 204, 0.1);
                padding: 0.25rem 0.5rem;
                border-radius: 8px;
                border: 1px solid rgba(0, 102, 204, 0.2);
            }
        }

        .example-meta {
            display: flex;
            gap: 1rem;
            font-size: 0.8rem;
            color: var(--autodoc-text-muted);
            flex-wrap: wrap;
            margin-block-end: 0.5rem;
        }

        .example-tags {
            display: flex;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .tag {
            background: var(--autodoc-border);
            color: var(--autodoc-text);
            padding: 0.2rem 0.5rem;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        /* Status indicators */
        .status {
            padding: 0.25rem 0.75rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: bold;
            white-space: nowrap;

            &.success {
                background: #d4edda;
                color: #155724;
                border: 1px solid #c3e6cb;
            }

            &.error {
                background: #f8d7da;
                color: #721c24;
                border: 1px solid #f5c6cb;
            }
        }

        /* Mobile responsive adjustments */
        @media (max-width: 768px) {
            .enhanced-index {
                padding: 1rem;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .stat-number {
                font-size: 2rem;
            }

            .example-grid {
                grid-template-columns: 1fr;
            }

            .example-header {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Server body styling when used as main container */
        &.server-layout {
            max-width: var(--autodoc-max-width);
            margin: 0 auto;
            padding: 2rem;
        }

        /* Hugo layout integration */
        &.hugo-layout {
            max-width: none;
            margin: 0;
            padding: 0;
        }

        /* Search functionality */
        .autodoc-search {
            position: relative;
            margin-inline-start: auto;
        }

        .autodoc-search-input {
            padding: 0.5rem;
            border: 1px solid var(--autodoc-nav-border);
            border-radius: var(--autodoc-border-radius);
            background: var(--autodoc-nav-bg);
            color: var(--autodoc-text);
            font-size: 0.9rem;
            width: 200px;
            transition: var(--autodoc-transition);

            &:focus {
                outline: 2px solid var(--autodoc-primary);
                outline-offset: 2px;
                border-color: var(--autodoc-primary);
            }

            &::placeholder {
                color: var(--autodoc-text-muted);
            }
        }

        .autodoc-search-results {
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--autodoc-nav-bg);
            border: 1px solid var(--autodoc-nav-border);
            border-radius: var(--autodoc-border-radius);
            box-shadow: var(--autodoc-shadow);
            z-index: 1000;
            max-height: 400px;
            overflow-y: auto;
            display: none;
        }

        .search-result-item {
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--autodoc-border);
            cursor: pointer;
            transition: var(--autodoc-transition);

            &:hover,
            &:focus {
                background: var(--autodoc-header-bg);
                outline: none;
            }

            &:last-child {
                border-bottom: none;
            }
        }

        .search-result-title {
            font-weight: 600;
            color: var(--autodoc-text);
            margin-bottom: 0.25rem;
        }

        .search-result-meta {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--autodoc-text-muted);
            margin-bottom: 0.25rem;
        }

        .search-result-description {
            font-size: 0.85rem;
            color: var(--autodoc-text-muted);
            line-height: 1.4;
        }

        .search-highlight {
            background: var(--autodoc-warning);
            color: var(--autodoc-text);
            padding: 0.1rem 0.2rem;
            border-radius: 2px;
            font-weight: 600;
        }

        .search-no-results {
            padding: 1rem;
            text-align: center;
            color: var(--autodoc-text-muted);
            font-style: italic;
        }

        .result-score {
            background: var(--autodoc-primary);
            color: white;
            padding: 0.1rem 0.3rem;
            border-radius: 10px;
            font-size: 0.7rem;
            font-weight: 600;
        }

        /* Tree navigation enhancements */
        .tree-expanding {
            animation: expand 0.2s ease-out;
        }

        .tree-toggle {
            cursor: pointer;
            user-select: none;
            padding: 0.25rem;
            border-radius: 4px;
            transition: var(--autodoc-transition);

            &:hover {
                background: var(--autodoc-header-bg);
            }

            &:focus {
                outline: 2px solid var(--autodoc-primary);
                outline-offset: 2px;
            }
        }

        /* Notification system */
        .autodoc-notification {
            position: fixed;
            top: 20px;
            right: 20px;
            background: var(--autodoc-primary);
            color: white;
            padding: 0.75rem 1rem;
            border-radius: var(--autodoc-border-radius);
            box-shadow: var(--autodoc-shadow);
            z-index: 10000;
            font-weight: 500;
            font-size: 0.875rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
            pointer-events: none;
        }

        .autodoc-notification.slide-in {
            animation: autodoc-slide-in 0.3s ease;
        }

        .autodoc-notification.slide-out {
            animation: autodoc-slide-out 0.3s ease;
        }

        @keyframes autodoc-slide-in {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }

        @keyframes autodoc-slide-out {
            from {
                transform: translateX(0);
                opacity: 1;
            }
            to {
                transform: translateX(100%);
                opacity: 0;
            }
        }



        /* Loading states */
        .examples-loading {
            position: relative;
            opacity: 0.6;

            &::after {
                content: "";
                position: absolute;
                top: 50%;
                left: 50%;
                width: 20px;
                height: 20px;
                margin: -10px 0 0 -10px;
                border: 2px solid var(--autodoc-border);
                border-top-color: var(--autodoc-primary);
                border-radius: 50%;
                animation: spin 1s linear infinite;
            }
        }

        /* Animations */
        @keyframes expand {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        @keyframes autodoc-slide-in {
            from {
                opacity: 0;
                transform: translateX(100%);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        @keyframes autodoc-slide-out {
            from {
                opacity: 1;
                transform: translateX(0);
            }
            to {
                opacity: 0;
                transform: translateX(100%);
            }
        }

        /* Mobile search adjustments */
        @media (max-width: 768px) {
            .autodoc-search-input {
                width: 150px;
                font-size: 0.85rem;
            }

            .autodoc-search-results {
                left: -100px;
                right: -20px;
            }

            .autodoc-notification {
                right: 10px;
                left: 10px;
                max-width: none;
            }
        }
    }
}