/* ============================================================
   pop Design System
   Two-theme CSS: light POP app + dark examples panel.
   ============================================================ */

/* --- Shared Custom Properties --- */

:root {
    /* POP Brand Colors (purple scale) */
    --pop-brand-50:  #f5f3ff;
    --pop-brand-100: #ede9fe;
    --pop-brand-200: #ddd6fe;
    --pop-brand-300: #c4b5fd;
    --pop-brand-400: #a78bfa;
    --pop-brand-500: #8b5cf6;
    --pop-brand-600: #7c3aed;
    --pop-brand-700: #6d28d9;
    --pop-brand-800: #5b21b6;
    --pop-brand-900: #4c1d95;

    --pop-purple: #7c3aed;
    --pop-purple-light: #ede9fe;

    /* Semantic Colors */
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #f59e0b;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas,
        "Liberation Mono", "Courier New", monospace;

    /* Radii */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;

    /* App Layout Dimensions */
    --header-height: 56px;
    --bottom-nav-height: 64px;
}

/* --- Reset & Base --- */

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-family);
    background: #f9fafb;
    color: #111827;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

/* --- Typography --- */

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 600;
    color: #111827;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }
h4 { font-size: 1.1rem; }

a {
    color: var(--pop-purple);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--pop-brand-700);
}

/* ============================================================
   MAIN APP LAYOUT (light theme, mobile-first)
   ============================================================ */

.pop-app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* --- App Header --- */

.pop-header {
    position: sticky;
    top: 0;
    z-index: 40;
    height: var(--header-height);
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    gap: 0.75rem;
    flex-shrink: 0;
}

.pop-header-brand {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pop-purple);
    letter-spacing: -0.02em;
}

.pop-header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.pop-header .pop-user-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: #374151;
}

.pop-header .pop-role-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.1rem 0.45rem;
    font-size: 0.65rem;
    font-weight: 600;
    border-radius: 9999px;
    background: var(--pop-brand-100);
    color: var(--pop-purple);
    text-transform: lowercase;
}

/* --- App Content Area --- */

.pop-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    padding-bottom: calc(var(--bottom-nav-height) + 1.5rem);
    max-width: 640px;
    margin: 0 auto;
    width: 100%;
}

@media (min-width: 768px) {
    .pop-content {
        padding-bottom: 1.5rem;
        max-width: 1024px;
    }
}

/* --- Bottom Navigation Bar --- */

.pop-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-around;
    height: var(--bottom-nav-height);
    background: #ffffff;
    border-top: 1px solid #e5e7eb;
    padding: 0 0.5rem;
}

@media (min-width: 768px) {
    .pop-bottom-nav {
        position: static;
        border-top: none;
        border-bottom: 1px solid #e5e7eb;
        justify-content: center;
        gap: 2rem;
        order: -1;
        height: auto;
        padding: 0.5rem 1rem;
    }

    .pop-app {
        padding-bottom: 0;
    }
}

.pop-nav-tab {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 6px 12px;
    min-width: 56px;
    min-height: 44px;
    color: #9ca3af;
    font-size: 10px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 8px;
    transition: color var(--transition-fast), background var(--transition-fast);
    cursor: pointer;
}

.pop-nav-tab svg {
    width: 22px;
    height: 22px;
}

.pop-nav-tab:hover,
.pop-nav-tab.active {
    color: var(--pop-purple);
}

.pop-nav-tab.active {
    background: rgba(124, 58, 237, 0.08);
}

@media (min-width: 768px) {
    .pop-nav-tab {
        flex-direction: row;
        gap: 6px;
        font-size: 0.85rem;
        font-weight: 500;
        padding: 8px 16px;
    }

    .pop-nav-tab svg {
        width: 18px;
        height: 18px;
    }
}

/* --- Shared App Button --- */

.pop-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast),
        border-color var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.pop-btn-primary {
    background: var(--pop-purple);
    color: #fff;
    border-color: var(--pop-purple);
}

.pop-btn-primary:hover {
    background: var(--pop-brand-700);
}

.pop-btn-outline {
    background: transparent;
    color: var(--pop-purple);
    border-color: var(--pop-brand-300);
}

.pop-btn-outline:hover {
    background: var(--pop-brand-50);
}

.pop-btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

.pop-btn-ghost {
    background: transparent;
    color: #6b7280;
    border-color: #e5e7eb;
}

.pop-btn-ghost:hover {
    background: #f3f4f6;
    color: #374151;
}

/* --- App Cards (light theme) --- */

.pop-card {
    background: #ffffff;
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 16px;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06);
    padding: 1.25rem;
}

.pop-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.75rem;
}

/* --- Page Shell Placeholder --- */

.pop-page-header {
    margin-bottom: 1.5rem;
}

.pop-page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #111827;
}

.pop-page-header p {
    font-size: 0.875rem;
    color: #6b7280;
    margin-top: 0.25rem;
}

.pop-page-shell {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* --- Dev reference link --- */

.pop-dev-ref {
    background: var(--pop-brand-50);
    border: 1px dashed var(--pop-brand-300);
    border-radius: var(--radius-lg);
    padding: 1rem;
    font-size: 0.85rem;
    color: var(--pop-brand-700);
}

.pop-dev-ref a {
    font-weight: 600;
}

/* ============================================================
   EXAMPLES LAYOUT (dark theme, sidebar)
   ============================================================ */

.examples-layout {
    --color-bg: #0f172a;
    --color-surface: #1e293b;
    --color-surface-elevated: #334155;
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-muted: rgba(59, 130, 246, 0.15);
    --color-text: #f1f5f9;
    --color-text-muted: #94a3b8;
    --color-text-inverse: #0f172a;
    --color-border: #334155;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.35);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.4);

    --sidebar-width: 260px;
    --sidebar-collapsed-width: 0px;

    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    background: var(--color-bg);
    color: var(--color-text);
}

.examples-layout h1,
.examples-layout h2,
.examples-layout h3,
.examples-layout h4,
.examples-layout h5,
.examples-layout h6 {
    color: var(--color-text);
}

.examples-layout p {
    color: var(--color-text-muted);
}

.examples-layout a {
    color: var(--color-primary);
}

.examples-layout a:hover {
    color: var(--color-primary-hover);
}

.examples-layout .main-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    transition: margin-left var(--transition-base);
}

/* --- Examples Sidebar --- */

.examples-layout .sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    height: 100vh;
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: width var(--transition-base), min-width var(--transition-base);
    z-index: 100;
}

.examples-layout.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
    min-width: var(--sidebar-collapsed-width);
    border-right: none;
}

.examples-layout.sidebar-collapsed .sidebar .sidebar-nav,
.examples-layout.sidebar-collapsed .sidebar .sidebar-header .sidebar-logo {
    opacity: 0;
    pointer-events: none;
}

.examples-layout .sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    height: var(--header-height);
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.examples-layout .sidebar-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.02em;
    white-space: nowrap;
    transition: opacity var(--transition-fast);
}

.examples-layout .sidebar-toggle {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    line-height: 1;
    transition: color var(--transition-fast), background var(--transition-fast);
    flex-shrink: 0;
}

.examples-layout .sidebar-toggle:hover {
    color: var(--color-text);
    background: var(--color-surface-elevated);
}

.examples-layout .sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0;
    transition: opacity var(--transition-fast);
}

.examples-layout .nav-section {
    margin-bottom: 0.5rem;
}

.examples-layout .nav-section-title {
    display: block;
    padding: 0.5rem 1.25rem 0.25rem;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--color-text-muted);
}

.examples-layout .nav-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: color var(--transition-fast), background var(--transition-fast),
        border-color var(--transition-fast);
    white-space: nowrap;
}

.examples-layout .nav-link:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.04);
}

.examples-layout .nav-link.active {
    color: var(--color-primary);
    background: var(--color-primary-muted);
    border-left-color: var(--color-primary);
}

.examples-layout .nav-icon {
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
    flex-shrink: 0;
}

.examples-layout .nav-text {
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Examples Header --- */

.examples-layout .header {
    height: var(--header-height);
    min-height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    gap: 1rem;
    flex-shrink: 0;
}

.examples-layout .header-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.examples-layout .header-actions {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.examples-layout .user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

.examples-layout .user-name {
    color: var(--color-text);
    font-weight: 500;
}

.examples-layout .sidebar-toggle-mobile {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    line-height: 1;
}

.examples-layout .sidebar-toggle-mobile:hover {
    color: var(--color-text);
}

/* --- Examples Main Content --- */

.examples-layout .main-content {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
}

/* --- Examples Buttons --- */

.examples-layout .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast),
        border-color var(--transition-fast), box-shadow var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.examples-layout .btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.examples-layout .btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.examples-layout .btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.examples-layout .btn-outline {
    background: transparent;
    color: var(--color-text);
    border-color: var(--color-border);
}

.examples-layout .btn-outline:hover:not(:disabled) {
    background: var(--color-surface-elevated);
    border-color: var(--color-text-muted);
}

.examples-layout .btn-danger {
    background: var(--color-error);
    color: #fff;
    border-color: var(--color-error);
}

.examples-layout .btn-danger:hover:not(:disabled) {
    background: #dc2626;
    border-color: #dc2626;
}

.examples-layout .btn-success {
    background: var(--color-success);
    color: var(--color-text-inverse);
    border-color: var(--color-success);
}

.examples-layout .btn-success:hover:not(:disabled) {
    background: #16a34a;
    border-color: #16a34a;
}

.examples-layout .btn-sm {
    padding: 0.3rem 0.65rem;
    font-size: 0.8rem;
}

.examples-layout .btn-lg {
    padding: 0.65rem 1.5rem;
    font-size: 1rem;
}

/* --- Examples Form Controls --- */

.examples-layout .input,
.examples-layout .textarea,
.examples-layout .select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-family: var(--font-family);
    font-size: 0.875rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.examples-layout .input:focus,
.examples-layout .textarea:focus,
.examples-layout .select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-muted);
}

.examples-layout .input::placeholder,
.examples-layout .textarea::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.examples-layout .textarea {
    min-height: 6rem;
    resize: vertical;
}

.examples-layout label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.35rem;
}

/* --- Examples Cards --- */

.examples-layout .card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.examples-layout .card:hover {
    box-shadow: var(--shadow-md);
}

.examples-layout .card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.examples-layout .card-header h2,
.examples-layout .card-header h3 {
    margin: 0;
}

.examples-layout .card-body {
    color: var(--color-text-muted);
}

.examples-layout .card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1rem;
}

/* --- Examples Badges --- */

.examples-layout .badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 600;
    border-radius: 9999px;
    background: var(--color-surface-elevated);
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.examples-layout .badge-primary {
    background: var(--color-primary-muted);
    color: var(--color-primary);
}

.examples-layout .badge-success {
    background: rgba(34, 197, 94, 0.15);
    color: var(--color-success);
}

.examples-layout .badge-error {
    background: rgba(239, 68, 68, 0.15);
    color: var(--color-error);
}

.examples-layout .tier-badge {
    background: var(--color-primary-muted);
    color: var(--color-primary);
    text-transform: lowercase;
}

/* --- Examples Status Indicators --- */

.examples-layout .status-ok,
.examples-layout .status-error,
.examples-layout .status-pending {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.examples-layout .status-ok::before,
.examples-layout .status-error::before,
.examples-layout .status-pending::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 50%;
    flex-shrink: 0;
}

.examples-layout .status-ok { color: var(--color-success); }
.examples-layout .status-ok::before { background: var(--color-success); box-shadow: 0 0 6px var(--color-success); }
.examples-layout .status-error { color: var(--color-error); }
.examples-layout .status-error::before { background: var(--color-error); box-shadow: 0 0 6px var(--color-error); }
.examples-layout .status-pending { color: var(--color-warning); }
.examples-layout .status-pending::before { background: var(--color-warning); animation: pulse-glow 1.5s ease-in-out infinite; }

@keyframes pulse-glow {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* --- Examples Health Cards --- */

.examples-layout .health-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.examples-layout .health-card:hover { box-shadow: var(--shadow-md); }
.examples-layout .health-card.healthy { border-left: 3px solid var(--color-success); }
.examples-layout .health-card.unhealthy { border-left: 3px solid var(--color-error); }
.examples-layout .health-card.degraded { border-left: 3px solid var(--color-warning); }

/* --- Examples Chat Interface --- */

.examples-layout .chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    max-height: calc(100vh - var(--header-height) - 3rem);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.examples-layout .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.examples-layout .chat-message {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.5;
    word-wrap: break-word;
}

.examples-layout .chat-message.user {
    align-self: flex-end;
    background: var(--color-primary);
    color: #fff;
    border-bottom-right-radius: var(--radius-sm);
}

.examples-layout .chat-message.assistant {
    align-self: flex-start;
    background: var(--color-surface-elevated);
    color: var(--color-text);
    border-bottom-left-radius: var(--radius-sm);
}

.examples-layout .chat-input {
    display: flex;
    gap: 0.5rem;
    padding: 0.75rem;
    border-top: 1px solid var(--color-border);
    background: var(--color-bg);
}

.examples-layout .chat-input .input {
    flex: 1;
}

/* --- Examples Note Cards --- */

.examples-layout .note-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

.examples-layout .note-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.examples-layout .note-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

/* --- Examples Code & Pre --- */

.examples-layout code {
    font-family: var(--font-mono);
    font-size: 0.85em;
    padding: 0.15em 0.4em;
    background: var(--color-surface-elevated);
    border-radius: var(--radius-sm);
    color: #e2e8f0;
}

.examples-layout pre {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 1rem;
    overflow-x: auto;
    font-size: 0.85rem;
    line-height: 1.6;
}

.examples-layout pre code {
    padding: 0;
    background: none;
    border-radius: 0;
}

/* --- Examples Utility Classes --- */

.examples-layout .text-primary { color: var(--color-primary); }
.examples-layout .text-success { color: var(--color-success); }
.examples-layout .text-error { color: var(--color-error); }
.examples-layout .text-warning { color: var(--color-warning); }
.examples-layout .text-muted { color: var(--color-text-muted); }

/* --- Examples Tables --- */

.examples-layout table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.examples-layout th {
    background: var(--color-surface-elevated);
    color: var(--color-text);
    font-weight: 600;
    text-align: left;
    padding: 0.65rem 1rem;
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.examples-layout td {
    padding: 0.6rem 1rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.examples-layout tr:last-child td { border-bottom: none; }
.examples-layout tr:hover td { background: rgba(255, 255, 255, 0.02); }

/* --- Examples Spinner --- */

.examples-layout .spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* --- Examples Scrollbar --- */

.examples-layout ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.examples-layout ::-webkit-scrollbar-track {
    background: transparent;
}

.examples-layout ::-webkit-scrollbar-thumb {
    background: var(--color-surface-elevated);
    border-radius: 3px;
}

.examples-layout ::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* --- Examples Responsive --- */

@media (max-width: 768px) {
    .examples-layout .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        z-index: 200;
        box-shadow: var(--shadow-lg);
    }

    .examples-layout.sidebar-collapsed .sidebar {
        transform: translateX(-100%);
        box-shadow: none;
    }

    .examples-layout:not(.sidebar-collapsed) .sidebar {
        transform: translateX(0);
    }

    .examples-layout .sidebar-toggle {
        display: none;
    }

    .examples-layout .sidebar-toggle-mobile {
        display: inline-flex;
    }

    .examples-layout .main-content {
        padding: 1rem;
    }

    .examples-layout .card-grid {
        grid-template-columns: 1fr;
    }

    .examples-layout .note-list {
        grid-template-columns: 1fr;
    }

    .examples-layout .chat-message {
        max-width: 90%;
    }
}

@media (min-width: 769px) {
    .examples-layout .sidebar-toggle-mobile {
        display: none;
    }
}

/* ============================================================
   SHARED / BLAZOR INFRASTRUCTURE
   ============================================================ */

/* --- Blazor Error UI --- */

#blazor-error-ui {
    color-scheme: light only;
    background: var(--color-error);
    color: #fff;
    bottom: 0;
    box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.3);
    box-sizing: border-box;
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    font-size: 0.875rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred.";
}

/* --- Loading Progress --- */

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: #e5e7eb;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: var(--pop-purple);
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
    color: #111827;
}

.loading-progress-text::after {
    content: var(--blazor-load-percentage-text, "Loading");
}

/* --- Validation --- */

.valid.modified:not([type="checkbox"]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-error);
}

.validation-message {
    color: var(--color-error);
    font-size: 0.8rem;
    margin-top: 0.25rem;
}