/* WildflowerJS Patterns sub-site styles.
   Extracted verbatim from www/patterns/index.html inline <style>. */

        :root {
            --accent-teal: #6b996a;
            --bg-primary: #1a1a1a;
            --bg-secondary: #2a2a2a;
            --bg-sidebar: #252525;
            --bg-card: #252525;
            --text-primary: #f0f0f0;
            --text-secondary: #a0a0a0;
            --border-color: #3a3a3a;
        }

        [data-cloak] { display: none; }
        * { box-sizing: border-box; }

        body {
            font-family: "Work Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            margin: 0;
            line-height: 1.6;
            font-size: 0.9rem;
        }

        /* Navbar */
        .navbar {
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 0.5rem 1rem;
        }

        .navbar-inner {
            display: flex;
            align-items: center;
            min-height: 48px;
        }
        .navbar-inner .sidebar-toggle { flex: 0 0 auto; }
        .navbar-inner .navbar-spacer {
            display: none;
            flex: 0 0 auto;
            visibility: hidden;
            border: 1px solid transparent;
            padding: 0.4rem 0.6rem;
            font-size: 1.1rem;
            line-height: 1;
            margin-left: 0.75rem;
            box-sizing: border-box;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            color: var(--accent-teal) !important;
            text-decoration: none;
            font-size: 1.25rem;
        }

        .navbar-brand img { margin-right: 0.5rem; }
        .brand-wf { font-weight: 520; }
        .brand-js { font-weight: 700; }

        .nav-back {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.85rem;
            margin-left: 1.5rem;
        }
        .nav-back:hover { color: var(--text-primary); }

        /* Layout */
        .page-layout {
            display: flex;
            min-height: calc(100vh - 57px);
        }

        /* Sidebar */
        .pattern-sidebar {
            width: 240px;
            min-width: 240px;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-color);
            padding: 1.25rem 0;
            overflow-y: auto;
            position: sticky;
            top: 57px;
            height: calc(100vh - 57px);
        }

        /* Sidebar heading + links match the main docs sidebar (main.css). */
        .sidebar-heading {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-secondary);
            padding: 0 1rem;
            margin: 1.5rem 0 0.25rem;
        }

        .sidebar-heading:first-child { margin-top: 0.5rem; }

        .pattern-link {
            display: block;
            border-radius: 0.25rem;
            padding: 0.3rem 0 0.3rem 1.2rem;
            margin: 0;
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.85rem;
            line-height: 1.3;
            cursor: pointer;
            transition: color 0.15s, background 0.15s;
        }

        .pattern-link:hover {
            background-color: rgba(128, 128, 128, 0.1);
        }

        .pattern-link.active {
            background-color: rgba(128, 128, 128, 0.15);
            color: var(--accent-teal) !important;
            font-weight: 500;
            position: relative;
        }

        .pattern-link.active::before {
            content: '\25B8';
            left: 0.35rem;
            position: absolute;
            color: var(--accent-teal);
        }

        /* Content area */
        .pattern-content {
            flex: 1;
            padding: 2rem 3rem;
            max-width: 900px;
            overflow-y: auto;
        }

        .pattern-content h1 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.25rem;
        }

        .pattern-content .pattern-subtitle {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .pattern-content h2 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-top: 2rem;
            margin-bottom: 0.75rem;
            padding-bottom: 0.3rem;
            border-bottom: 1px solid var(--border-color);
        }

        .pattern-content h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-top: 1.25rem;
            margin-bottom: 0.5rem;
        }

        /* Live demo area */
        .demo-area {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 1.5rem;
            margin: 1rem 0;
        }

        .demo-area h4 {
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: var(--text-secondary);
            margin: 0 0 1rem 0;
        }

        /* Code blocks */
        .code-block {
            background: #1e1e1e;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            margin: 1rem 0;
            overflow: hidden;
        }

        .code-block-header {
            background: rgba(255, 255, 255, 0.05);
            padding: 0.4rem 1rem;
            font-size: 0.75rem;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .code-block pre {
            margin: 0;
            padding: 1rem;
            overflow-x: auto;
            font-size: 0.8rem;
            line-height: 1.5;
        }

        .code-block code {
            font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
            font-variant-ligatures: none;
        }

        .btn-copy {
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.7rem;
            padding: 0.15rem 0.5rem;
            border-radius: 3px;
            cursor: pointer;
        }
        .btn-copy:hover { color: var(--text-primary); border-color: var(--text-secondary); }

        /* Pattern-specific demo styles */
        .demo-area input[type="text"],
        .demo-area input[type="search"],
        .demo-area input[type="email"],
        .demo-area input[type="number"],
        .demo-area select,
        .demo-area textarea {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            padding: 0.4rem 0.6rem;
            border-radius: 4px;
            font-size: 0.85rem;
            font-family: inherit;
            width: 100%;
        }

        .demo-area input:focus,
        .demo-area select:focus,
        .demo-area textarea:focus {
            outline: none;
            border-color: var(--accent-teal);
        }

        .demo-area button:not(.demo-tab) {
            background: var(--accent-teal);
            color: #fff;
            border: none;
            padding: 0.4rem 0.75rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.85rem;
            font-family: inherit;
        }

        .demo-area button:hover { opacity: 0.9; }

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

        .demo-area button.btn-danger {
            background: #c0392b;
        }

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

        .demo-area th, .demo-area td {
            padding: 0.5rem 0.75rem;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .demo-area th {
            font-weight: 600;
            font-size: 0.8rem;
            color: var(--text-secondary);
            cursor: pointer;
        }

        .demo-area th:hover { color: var(--text-primary); }

        .demo-area .badge {
            display: inline-block;
            padding: 0.15rem 0.5rem;
            border-radius: 3px;
            font-size: 0.75rem;
            font-weight: 500;
        }

        .demo-area .badge-active { background: rgba(107, 153, 106, 0.2); color: #6b996a; }
        .demo-area .badge-inactive { background: rgba(160, 160, 160, 0.2); color: #a0a0a0; }
        .demo-area .badge-pending { background: rgba(223, 144, 88, 0.2); color: #df9058; }

        .demo-area .error-msg {
            color: #e74c3c;
            font-size: 0.8rem;
            margin-top: 0.25rem;
        }

        .demo-area .form-group {
            margin-bottom: 0.75rem;
        }

        .demo-area label {
            display: block;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 0.25rem;
            color: var(--text-secondary);
        }

        /* Tabs pattern */
        .demo-tabs {
            display: flex;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 1rem;
        }

        .demo-tabs .demo-tab {
            padding: 0.5rem 1rem;
            background: var(--accent-teal);
            border: none;
            border-radius: 8px 8px 0 0 !important;
            margin-right: 1px;
            line-height: 1.3;
            color: #fff;
            cursor: pointer;
            border-bottom: 2px solid transparent;
            font-family: inherit;
            font-size: 0.85rem;
        }

        .demo-tabs .demo-tab:hover { color: #fff; }
        .demo-tabs .demo-tab.active {
            color: #fff;
            font-weight: 600;
            background: #3a6639;
            border-bottom-color: #3a6639;
        }

        /* Accordion */
        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: 4px;
            margin-bottom: 0.5rem;
            overflow: hidden;
        }

        .accordion-header {
            padding: 0.6rem 1rem;
            background: rgba(255, 255, 255, 0.03);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
        }

        .accordion-header:hover { background: rgba(255, 255, 255, 0.06); }

        .accordion-body {
            padding: 0.75rem 1rem;
            border-top: 1px solid var(--border-color);
        }

        /* Modal */
        .modal-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 0, 0, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
        }

        .modal-box {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 1.5rem;
            max-width: 400px;
            width: 90%;
        }

        .modal-box h3 {
            margin: 0 0 0.5rem 0;
            font-size: 1.1rem;
        }

        .modal-box p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .modal-actions {
            display: flex;
            gap: 0.5rem;
            justify-content: flex-end;
        }

        .modal-actions button {
            background: var(--accent-teal);
            color: #fff;
            border: none;
            padding: 0.4rem 0.75rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 0.85rem;
            font-family: inherit;
        }

        .modal-actions button:hover { opacity: 0.9; }
        .modal-actions .btn-secondary {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
        }
        .modal-actions .btn-danger { background: #c0392b; }

        /* Modal Dialog "complete pattern" (share link) */
        .scrim {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 2000;
        }
        .dialog {
            width: 420px;
            max-width: calc(100vw - 32px);
            background: var(--bg-secondary);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            padding: 1.25rem;
        }
        .dialog h3 { margin: 0 0 0.25rem; font-size: 1.1rem; }
        .dialog .muted { margin: 0; color: var(--text-secondary); font-size: 0.8rem; }
        .urlbox {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 0.5rem;
            margin: 0.85rem 0;
        }
        .urlbox input {
            font-family: "Cascadia Code", "Fira Code", "JetBrains Mono", Consolas, monospace;
            font-size: 0.78rem;
        }
        .demo-area .urlbox button { padding: 0 0.9rem; font-weight: 600; }
        .demo-area .urlbox button.ok { background: #2f8f4f; }
        .dialog footer { display: flex; justify-content: flex-end; margin-top: 0.5rem; }
        .demo-area button.btn-ghost {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
        }

        /* Master-detail */
        .master-detail {
            display: flex;
            gap: 1rem;
        }

        .master-list {
            width: 200px;
            min-width: 200px;
        }

        .master-item {
            padding: 0.5rem 0.75rem;
            cursor: pointer;
            border-radius: 4px;
            margin-bottom: 0.25rem;
        }

        .master-item:hover { background: rgba(255, 255, 255, 0.05); }
        .master-item.active { background: rgba(107, 153, 106, 0.15); color: var(--accent-teal); }

        .detail-panel {
            flex: 1;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 1rem;
        }

        .detail-panel h3 {
            margin-top: 0;
        }

        /* Editable list */
        .editable-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.4rem 0;
            border-bottom: 1px solid var(--border-color);
        }

        .editable-item span {
            flex: 1;
        }

        .editable-item input {
            flex: 1;
        }

        .editable-item button {
            padding: 0.2rem 0.5rem;
            font-size: 0.8rem;
            white-space: nowrap;
        }

        /* Theme toggle (store) demo */
        .demo-nav-dark { background: #1a1a1a; border: 1px solid #333; transition: all 0.3s; }
        .demo-nav-light { background: #f8f9fa; border: 1px solid #dee2e6; transition: all 0.3s; }
        .demo-brand-dark { color: #6b996a; }
        .demo-brand-light { color: #2d5a2d; }
        .demo-link-dark { color: #a0a0a0; font-size: 0.8rem; cursor: pointer; }
        .demo-link-light { color: #555; font-size: 0.8rem; cursor: pointer; }
        .demo-card-dark { background: #1a1a1a; border: 1px solid #333; transition: all 0.3s; }
        .demo-card-light { background: #ffffff; border: 1px solid #dee2e6; transition: all 0.3s; }
        .demo-title-dark { color: #f0f0f0; }
        .demo-title-light { color: #212529; }
        .demo-text-dark { color: #a0a0a0; }
        .demo-text-light { color: #6c757d; }

        /* Stats card */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 0.75rem;
        }

        .stat-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 1rem;
            text-align: center;
        }

        .stat-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent-teal);
        }

        .stat-label {
            font-size: 0.75rem;
            color: var(--text-secondary);
            margin-top: 0.25rem;
        }

        /* Intro page */
        .intro-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1rem;
            margin-top: 1.5rem;
        }

        .intro-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 1.25rem;
        }

        .intro-card h3 {
            font-size: 0.95rem;
            margin-top: 0;
        }

        .intro-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }

        /* Toast notifications */
        .toast-container {
            position: fixed;
            top: 1rem;
            right: 1rem;
            z-index: 2000;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
            pointer-events: none;
        }
        .toast-item {
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            min-width: 280px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            animation: toast-in 0.3s ease;
            pointer-events: auto;
        }
        @keyframes toast-in {
            from { opacity: 0; transform: translateX(1rem); }
            to { opacity: 1; transform: translateX(0); }
        }
        .toast-success { border-left: 3px solid #6b996a; }
        .toast-error { border-left: 3px solid #c0392b; }
        .toast-info { border-left: 3px solid #3498db; }
        .toast-item .toast-close {
            margin-left: auto;
            background: none !important;
            border: none;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 0 0.25rem;
            font-size: 1rem;
            line-height: 1;
        }

        /* Dropdown */
        .dropdown-wrapper { position: relative; display: inline-block; }
        .dropdown-menu-list {
            position: absolute;
            top: calc(100% + 4px);
            left: 0;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0.25rem 0;
            min-width: 180px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            z-index: 100;
        }
        .dropdown-item {
            padding: 0.4rem 1rem;
            cursor: pointer;
            font-size: 0.85rem;
            color: var(--text-primary);
            border-bottom: 1px solid var(--border-color);
        }
        .dropdown-item:last-child { border-bottom: none; }
        .dropdown-item:hover { background: rgba(107, 153, 106, 0.15); }

        /* Tooltip */
        .has-tooltip { display: inline-block; cursor: help; border-bottom: 1px dashed var(--text-secondary); }
        .tooltip-popup {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.4rem 0.75rem;
            font-size: 0.8rem;
            color: var(--text-primary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            z-index: 3000;
            white-space: nowrap;
            position: absolute;
        }

        /* Slide panel */
        .slide-overlay {
            position: fixed;
            top: 0; left: 0; right: 0; bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 1000;
        }
        .slide-panel {
            position: fixed;
            top: 57px; right: 0; bottom: 0;
            width: 320px;
            max-width: 100%;
            background: var(--bg-secondary);
            border-left: 1px solid var(--border-color);
            padding: 1.5rem;
            z-index: 1001;
            overflow-y: auto;
            box-shadow: -4px 0 12px rgba(0, 0, 0, 0.3);
        }
        .slide-panel h3 { margin-top: 0; }

        /* Skeleton loader */
        .skeleton-line {
            height: 0.85rem;
            background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(255,255,255,0.08) 50%, var(--bg-secondary) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
            border-radius: 4px;
            margin-bottom: 0.5rem;
        }
        .skeleton-line.short { width: 60%; }
        .skeleton-line.medium { width: 80%; }
        .skeleton-circle {
            width: 40px; height: 40px;
            border-radius: 50%;
            background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(255,255,255,0.08) 50%, var(--bg-secondary) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
        }
        @keyframes shimmer {
            0% { background-position: 200% 0; }
            100% { background-position: -200% 0; }
        }

        /* Carousel (shared by image + video patterns) */
        .pc-carousel {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            justify-content: center;
        }
        .pc-viewport { overflow: hidden; }
        .pc-track {
            display: flex;
            gap: 0.75rem;
            transition: transform 0.35s ease;
            will-change: transform;
        }
        .pc-slide {
            flex: 0 0 auto;
            width: 160px;
            border-radius: 6px;
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .pc-media {
            position: relative;
            aspect-ratio: 4 / 3;
            background: var(--bg-secondary);
        }
        .pc-media img,
        .pc-media video {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .pc-placeholder {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.75rem;
            background: linear-gradient(90deg, var(--bg-secondary) 25%, rgba(255,255,255,0.04) 50%, var(--bg-secondary) 75%);
            background-size: 200% 100%;
            animation: shimmer 1.5s infinite;
        }
        .pc-label {
            padding: 0.4rem 0.5rem;
            font-size: 0.75rem;
            color: var(--text-secondary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .pc-nav {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.1rem;
            line-height: 1;
            flex-shrink: 0;
        }
        .pc-nav:hover { border-color: var(--accent-teal); color: var(--accent-teal); }
        .pc-nav:disabled { opacity: 0.3; cursor: default; }

        /* Tree view */
        .tree-node { padding-left: 1.25rem; }
        .tree-root > .tree-node { padding-left: 0; }
        .tree-node-header {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.2rem 0.4rem;
            cursor: pointer;
            border-radius: 4px;
            font-size: 0.85rem;
        }
        .tree-node-header:hover { background: rgba(255, 255, 255, 0.05); }
        .tree-toggle { width: 1rem; text-align: center; font-size: 0.65rem; color: var(--text-secondary); }
        .tree-leaf { width: 1rem; }

        /* Wizard / multi-step */
        .wizard-steps {
            display: flex;
            margin-bottom: 1.5rem;
        }
        .wizard-step-item {
            flex: 1;
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .wizard-step-item.active { color: var(--accent-teal); font-weight: 600; }
        .wizard-step-item.completed { color: var(--accent-teal); }
        .wizard-dot {
            width: 28px; height: 28px;
            border-radius: 50%;
            background: var(--bg-primary);
            border: 2px solid var(--border-color);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.25rem;
            font-size: 0.75rem;
        }
        .wizard-step-item.active .wizard-dot,
        .wizard-step-item.completed .wizard-dot {
            border-color: var(--accent-teal); background: var(--accent-teal); color: #fff;
        }

        /* Inline edit */
        .inline-edit-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .inline-edit-label {
            width: 80px;
            font-size: 0.8rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .inline-edit-value {
            flex: 1;
            cursor: pointer;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
        }
        .inline-edit-value:hover { background: rgba(255,255,255,0.03); }

        /* Activity feed */
        .feed-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.6rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .feed-dot {
            width: 8px; height: 8px;
            border-radius: 50%;
            margin-top: 0.45rem;
            flex-shrink: 0;
        }
        .feed-dot-deploy { background: #6b996a; }
        .feed-dot-alert { background: #df9058; }
        .feed-dot-error { background: #c0392b; }
        .feed-dot-info { background: #3498db; }
        .feed-text { font-size: 0.85rem; }
        .feed-time { font-size: 0.75rem; color: var(--text-secondary); }

        /* Split pane */
        .split-container {
            display: flex;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            overflow: hidden;
            height: 200px;
        }
        .split-left, .split-right {
            padding: 1rem;
            overflow: auto;
            font-size: 0.85rem;
        }
        .split-left { background: var(--bg-primary); }
        .split-right { background: rgba(107, 153, 106, 0.03); flex: 1; }
        .split-handle {
            width: 6px;
            background: var(--border-color);
            cursor: col-resize;
            flex-shrink: 0;
            transition: background 0.2s;
        }
        .split-handle:hover { background: var(--accent-teal); }
        /* Prevent text selection in the panels while dragging the divider. */
        .split-container.dragging { user-select: none; -webkit-user-select: none; }

        /* Layout sidebar demo */
        .layout-demo {
            border: 1px solid var(--border-color);
            border-radius: 6px;
            overflow: hidden;
            height: 280px;
            display: flex;
        }
        .layout-sidebar-panel {
            width: 160px;
            min-width: 160px;
            background: var(--bg-primary);
            border-right: 1px solid var(--border-color);
            padding: 0.75rem;
            transition: margin-left 0.3s ease, opacity 0.3s ease;
            overflow: hidden;
        }
        .layout-sidebar-panel.collapsed { margin-left: -160px; opacity: 0; }
        .layout-main-area { flex: 1; padding: 0.75rem; overflow: auto; }
        .layout-topbar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
            padding-bottom: 0.5rem;
            border-bottom: 1px solid var(--border-color);
        }
        .layout-nav-item {
            padding: 0.3rem 0.5rem;
            border-radius: 4px;
            font-size: 0.8rem;
            cursor: pointer;
            color: var(--text-secondary);
        }
        .layout-nav-item:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); }
        .layout-nav-item.active { background: rgba(107, 153, 106, 0.15); color: var(--accent-teal); }

        /* Drag reorder */
        .drag-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0.75rem;
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            margin-bottom: 0.25rem;
            cursor: grab;
            font-size: 0.85rem;
        }
        .drag-item:active { cursor: grabbing; }
        .drag-item.drag-over-above { box-shadow: 0 -2px 0 0 var(--accent-teal); }
        .drag-item.drag-over-below { box-shadow: 0 2px 0 0 var(--accent-teal); }
        .drag-item.dragging { opacity: 0.4; }
        .drag-handle { color: var(--text-secondary); }

        /* Status board */
        .status-board {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 0.75rem;
        }
        .status-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0.75rem;
        }
        .status-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.35rem;
        }
        .status-card-name { font-weight: 500; font-size: 0.85rem; }
        .status-dot {
            width: 8px; height: 8px;
            border-radius: 50%;
            display: inline-block;
        }
        .status-healthy { background: #6b996a; }
        .status-degraded { background: #df9058; }
        .status-down { background: #c0392b; }

        /* Loading spinner */
        .loading-spinner {
            display: inline-block;
            width: 18px; height: 18px;
            border: 2px solid var(--border-color);
            border-top-color: var(--accent-teal);
            border-radius: 50%;
            animation: spin 0.8s linear infinite;
            vertical-align: middle;
        }
        @keyframes spin { to { transform: rotate(360deg); } }

        @keyframes list-item-in {
            from { opacity: 0; transform: translateX(-20px); }
            to { opacity: 1; transform: translateX(0); }
        }
        @keyframes list-item-out {
            from { opacity: 1; transform: translateX(0); max-height: 50px; }
            to { opacity: 0; transform: translateX(20px); max-height: 0; }
        }

        /* Transitions */
        .fade-enter { opacity: 0; }
        .fade-enter-active { opacity: 1; transition: opacity 0.3s ease; }
        .fade-leave { opacity: 1; }
        .fade-leave-active { opacity: 0; transition: opacity 0.3s ease; }

        .slide-down-enter { opacity: 0; max-height: 0; overflow: hidden; }
        .slide-down-enter-active { opacity: 1; max-height: 500px; transition: opacity 0.3s, max-height 0.3s; overflow: hidden; }
        .slide-down-leave { opacity: 1; max-height: 500px; overflow: hidden; }
        .slide-down-leave-active { opacity: 0; max-height: 0; transition: opacity 0.3s, max-height 0.3s; overflow: hidden; }

        .scale-enter { opacity: 0; transform: scale(0.9); }
        .scale-enter-active { opacity: 1; transform: scale(1); transition: opacity 0.2s, transform 0.2s; }
        .scale-leave { opacity: 1; transform: scale(1); }
        .scale-leave-active { opacity: 0; transform: scale(0.9); transition: opacity 0.2s, transform 0.2s; }

        /* Autosave indicator */
        .save-indicator { font-size: 0.75rem; margin-left: 0.5rem; }
        .save-saving { color: var(--text-secondary); }
        .save-saved { color: var(--accent-teal); }
        .save-dirty { color: #d4a657; }

        /* Infinite scroll */
        .scroll-container {
            max-height: 250px;
            overflow-y: auto;
            border: 1px solid var(--border-color);
            border-radius: 4px;
        }
        .scroll-item {
            padding: 0.5rem 0.75rem;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.85rem;
        }
        .scroll-item:last-child { border-bottom: none; }

        /* KPI card grid */
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 0.75rem;
        }
        .kpi-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 0.75rem;
            text-align: center;
        }
        .kpi-value {
            font-size: 1.4rem;
            font-weight: 700;
        }
        .kpi-label {
            font-size: 0.7rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-top: 0.15rem;
        }
        .kpi-trend { font-size: 0.75rem; margin-top: 0.25rem; }
        .kpi-up { color: #6b996a; }
        .kpi-down { color: #c0392b; }

        /* Mobile sidebar toggle: visible on <=768px only */
        .sidebar-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            border-radius: 6px;
            padding: 0.4rem 0.6rem;
            cursor: pointer;
            font-size: 1.1rem;
            line-height: 1;
            margin-right: 0.75rem;
            box-sizing: border-box;
            font-family: inherit;
        }
        .sidebar-backdrop {
            display: none;
            position: fixed;
            inset: 57px 0 0 0;
            background: rgba(0,0,0,0.5);
            z-index: 998;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .sidebar-toggle { display: inline-flex; align-items: center; }
            .navbar-inner .navbar-spacer { display: inline-block; }
            .navbar-brand { margin: 0 auto; }
            .pattern-sidebar {
                position: fixed;
                top: 57px;
                left: 0;
                bottom: 0;
                width: 280px;
                z-index: 999;
                transform: translateX(-100%);
                transition: transform 0.25s ease;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
                box-shadow: 2px 0 12px rgba(0,0,0,0.3);
            }
            .pattern-sidebar.open { transform: translateX(0); }
            .sidebar-backdrop.open { display: block; }
            .pattern-content { padding: 1.5rem; max-width: 100%; }
            .master-detail { flex-direction: column; }
            .master-list { width: 100%; min-width: 100%; }
        }

/* ── Patterns landing: filter bar + card grid ───────────────────── */
.patterns-landing { max-width: 1000px; }

.pattern-filter-bar {
    margin: 1.25rem 0 1.75rem;
}
.pattern-search-wrap {
    position: relative;
    max-width: 420px;
    margin-bottom: 0.85rem;
}
.pattern-search-wrap input {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.5rem 2.25rem 0.5rem 0.75rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-family: inherit;
    width: 100%;
}
.pattern-search-wrap input:focus { outline: none; border-color: var(--accent-teal); }
/* Suppress the desktop-only native search clear so the custom button is the single,
   consistent control on both mobile and desktop. */
.pattern-search-wrap input[type="search"]::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; }
.pattern-search-clear {
    position: absolute;
    top: 50%;
    right: 0.4rem;
    transform: translateY(-50%);
    width: 1.6rem;
    height: 1.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.25rem;
    line-height: 1;
    cursor: pointer;
    border-radius: 50%;
}
.pattern-search-clear:hover,
.pattern-search-clear:focus-visible { color: var(--text-primary); background: var(--bg-secondary); outline: none; }

.pattern-cat-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}
.pattern-cat-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.3rem 0.7rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-family: inherit;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.pattern-cat-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.pattern-cat-btn.active {
    color: var(--accent-teal);
    border-color: var(--accent-teal);
    background: rgba(107, 153, 106, 0.1);
}

.pattern-filter-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0.85rem 0 0;
}

.pattern-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.85rem;
    margin-top: 1.25rem;
}
.pattern-card {
    display: block;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem 1.1rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.15s, transform 0.15s, background 0.15s;
}
.pattern-card:hover {
    border-color: var(--accent-teal);
    background: rgba(107, 153, 106, 0.05);
    transform: translateY(-2px);
}
.pattern-card-cat {
    font-size: 0.65rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-teal);
}
.pattern-card-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0.3rem 0 0.25rem;
}
.pattern-card-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.45;
}
.pattern-empty {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 1.5rem;
}

/* "Related documentation" block at the foot of a pattern page. */
.pattern-related {
    margin-top: 2rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}
.pattern-related h2 { border: 0; margin-top: 0; }
.pattern-related a { color: var(--accent-teal); text-decoration: none; }
.pattern-related a:hover { text-decoration: underline; }