/* TurboSu Main Layout - HyperOS Design System
 * Layout: TopAppBar + NavigationRail (sidebar) + Content
 */

.app-layout {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* ===== NavigationRail: Sidebar (HyperOS NavigationRail style) ===== */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--bg-secondary);
    border-right: 1px solid var(--divider);
    display: flex;
    flex-direction: column;
    transition: width var(--transition-slow) cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    flex-shrink: 0;
    overflow: hidden;
}
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}
.sidebar.collapsed .nav-label,
.sidebar.collapsed .sidebar-title,
.sidebar.collapsed .sidebar-logo,
.sidebar.collapsed .collapse-arrow {
    opacity: 0;
    visibility: hidden;
    width: 0;
    overflow: hidden;
}
.sidebar.collapsed .sidebar-toggle-btn {
    position: absolute;
    top: 14px;
    left: 8px;
}
.sidebar-header {
    display: flex;
    align-items: center;
    padding: 16px 12px;
    gap: 10px;
    min-height: 60px;
}
.sidebar-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}
.sidebar-title {
    font-size: 17px;
    font-weight: 600;
    white-space: nowrap;
    color: var(--text-primary);
    transition: opacity var(--transition-fast);
}
.sidebar-toggle-btn {
    margin-left: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    background: transparent;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}
.sidebar-toggle-btn:hover {
    background: rgba(128, 128, 128, 0.12);
    color: var(--text-primary);
}

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 4px 8px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

/* Navigation items (HyperOS NavigationRail item style) */
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    background: none;
    font-size: 14px;
    font-weight: 400;
    width: 100%;
    text-align: left;
    position: relative;
}
.nav-item:hover {
    background: rgba(128, 128, 128, 0.08);
    color: var(--text-primary);
}
.nav-item:active {
    background: rgba(128, 128, 128, 0.14);
}
.nav-item.active {
    background: var(--accent-container);
    color: var(--accent-on-container);
    font-weight: 500;
}
.nav-item svg {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}
.nav-label {
    transition: opacity var(--transition-fast);
}

.nav-section {
    margin-top: 2px;
}

.collapsible-toggle .collapse-arrow {
    margin-left: auto;
    transition: transform var(--transition-normal), opacity var(--transition-fast);
}
.collapsible-toggle.collapsed .collapse-arrow {
    transform: rotate(-90deg);
}

.nav-submenu {
    overflow: hidden;
    max-height: 600px;
    transition: max-height var(--transition-slow);
    padding-left: 6px;
}
.nav-submenu.collapsed {
    max-height: 0;
}
.nav-submenu .nav-item {
    padding: 9px 12px;
    font-size: 13px;
}

.sidebar-bottom {
    margin-top: auto;
    border-top: 1px solid var(--divider);
    padding: 4px 8px;
    display: flex;
    flex-direction: column;
    gap: 1px;
}

/* ===== TopAppBar (HyperOS style) ===== */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--topbar-height);
    padding: 0 20px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--divider);
    flex-shrink: 0;
    transition: background var(--transition-normal);
}
.topbar-left {
    display: flex;
    align-items: center;
    gap: 12px;
}
.topbar-logo-title {
    display: flex;
    align-items: center;
    gap: 10px;
    opacity: 1;
    transition: opacity var(--transition-fast);
}
.topbar-logo-title.hidden {
    opacity: 0;
    pointer-events: none;
}
.topbar-title-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
}
.topbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Connection status indicator */
.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    backdrop-filter: var(--blur-small);
    -webkit-backdrop-filter: var(--blur-small);
    border: 1px solid var(--border-subtle);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}
.status-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.status-indicator.connected .status-dot {
    background: var(--success);
    box-shadow: 0 0 6px rgba(52, 199, 89, 0.4);
}
.status-indicator.disconnected .status-dot {
    background: var(--danger);
    box-shadow: 0 0 6px rgba(233, 70, 52, 0.4);
}

.theme-light .icon-sun { display: none; }
.theme-dark .icon-moon { display: none; }

/* ===== Main Content Area ===== */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    overflow: hidden;
    background: var(--bg-primary);
}
.page-container {
    flex: 1;
    overflow: hidden;
    position: relative;
}
.page {
    display: none;
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    overflow-y: auto;
    padding: 20px 24px;
}
.page.active {
    display: block;
}

/* ===== Page Header ===== */
.page-header {
    margin-bottom: 20px;
}
.page-header h2 {
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
}
.page-header p {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== Home Page: Status Cards ===== */
.status-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 14px;
    margin-bottom: 20px;
}
.status-card {
    padding: 18px 20px;
}
.status-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}
.status-card-title {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.status-card-value {
    font-size: 26px;
    font-weight: 600;
    color: var(--text-primary);
}
.status-card-detail {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ===== Dashboard Page (Browser) ===== */
.dashboard-layout {
    display: flex;
    height: 100%;
    gap: 0;
}
.dashboard-sub-sidebar {
    width: 170px;
    flex-shrink: 0;
    padding: 12px 8px;
    border-right: 1px solid var(--divider);
    overflow-y: auto;
}
.dashboard-sub-sidebar .category-item {
    display: flex;
    align-items: center;
    padding: 9px 12px;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    font-size: 13px;
    margin-bottom: 1px;
}
.dashboard-sub-sidebar .category-item:hover {
    background: rgba(128, 128, 128, 0.08);
    color: var(--text-primary);
}
.dashboard-sub-sidebar .category-item.active {
    background: var(--accent-container);
    color: var(--accent-on-container);
    font-weight: 500;
}
.dashboard-main {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px;
}
.theme-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
    gap: 14px;
}
.theme-card {
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
}
.theme-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.theme-card .theme-card-preview {
    width: 100%;
    height: 130px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 44px;
    color: var(--text-tertiary);
    border-bottom: 1px solid var(--border-subtle);
}
.theme-card .theme-card-info {
    padding: 12px 14px;
}
.theme-card .theme-card-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.theme-card .theme-card-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    display: flex;
    gap: 8px;
}

/* ===== Scene Page ===== */
.scene-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}
.scene-header h2 {
    font-size: 22px;
    font-weight: 600;
}
.scene-actions {
    display: flex;
    gap: 8px;
}
.scene-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 14px;
}
.scene-card {
    padding: 18px;
    cursor: pointer;
    transition: all var(--transition-normal);
}
.scene-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.scene-card .scene-card-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
}
.scene-card .scene-card-game {
    font-size: 12px;
    color: var(--accent-on-container);
    margin-bottom: 6px;
}
.scene-card .scene-card-meta {
    font-size: 12px;
    color: var(--text-tertiary);
    display: flex;
    justify-content: space-between;
}
.scene-canvas-list {
    display: flex;
    gap: 5px;
    flex-wrap: wrap;
    margin-top: 8px;
}
.scene-canvas-badge {
    font-size: 11px;
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
}

/* ===== Modal/Dialog (HyperOS OverlayDialog style) ===== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--window-dimming);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease both;
}
.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-normal);
    border-radius: var(--radius-xl);
    padding: 28px;
    min-width: 620px;
    max-width: 90vw;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.25);
    animation: fadeInUp 0.25s cubic-bezier(0.4, 0, 0.2, 1) both;
}
.modal h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}
.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--divider);
}

/* ===== Scene Editor Canvas ===== */
.scene-editor-canvas {
    position: relative;
    margin: 16px 0;
    border: 2px dashed var(--outline);
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--bg-tertiary);
}
.scene-editor-placement {
    position: absolute;
    border: 2px solid var(--accent);
    border-radius: var(--radius-sm);
    cursor: move;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: var(--text-primary);
    background: var(--accent-container);
    min-width: 80px;
    min-height: 50px;
}

/* ===== Debug Page ===== */
.debug-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 14px;
}
.debug-toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
}
.debug-data {
    flex: 1;
    overflow-y: auto;
    padding: 14px 16px;
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-all;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-primary);
}
.debug-field {
    margin-bottom: 10px;
    padding: 10px 14px;
    background: var(--bg-glass);
    backdrop-filter: var(--blur-small);
    -webkit-backdrop-filter: var(--blur-small);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}
.debug-field .debug-field-name {
    font-size: 11px;
    color: var(--accent-on-container);
    margin-bottom: 3px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.debug-field .debug-field-value {
    font-size: 14px;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
}

/* ===== Settings Page ===== */
.settings-section {
    margin-bottom: 28px;
}
.settings-section h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--divider);
    color: var(--text-primary);
}
.settings-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 16px;
}
.settings-label {
    font-size: 14px;
    color: var(--text-primary);
}
.settings-desc {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
}
.settings-control {
    flex-shrink: 0;
}
.settings-control input[type="number"] {
    width: 100px;
}
.settings-control select {
    min-width: 160px;
}

/* ===== Empty State ===== */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
    color: var(--text-tertiary);
}
.empty-state svg {
    margin-bottom: 16px;
    opacity: 0.25;
}
.empty-state h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}
.empty-state p {
    font-size: 13px;
    max-width: 400px;
}

/* ===== Toast / Snackbar (HyperOS Snackbar style) ===== */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}
.toast {
    padding: 12px 20px;
    border-radius: var(--radius-md);
    background: var(--bg-menu);
    backdrop-filter: var(--blur-large);
    -webkit-backdrop-filter: var(--blur-large);
    border: 1px solid var(--border-normal);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    animation: fadeInUp 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--accent); }

/* ===== Form ===== */
.form-group {
    margin-bottom: 14px;
}
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
}
.form-group textarea {
    min-height: 80px;
    resize: vertical;
}

/* ===== Code inline ===== */
code {
    font-family: 'JetBrains Mono', 'SF Mono', monospace;
    font-size: 12px;
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-xs);
    color: var(--accent-on-container);
}

/* ===== Mobile Bottom Navigation Bar (HyperOS NavigationBar) ===== */
@media (max-width: 767px) {
    .app-layout {
        flex-direction: column;
    }

    .sidebar {
        display: none;
    }

    .main-content {
        padding-bottom: 64px;
    }

    .topbar {
        height: 48px;
        padding: 0 12px;
    }
    .topbar-logo-title.hidden {
        opacity: 1;
        pointer-events: auto;
    }
    .topbar-logo-title svg {
        width: 24px;
        height: 24px;
    }
    .topbar-title-text {
        font-size: 15px;
    }

    .page {
        padding: 12px 14px;
    }

    .status-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .status-card {
        padding: 14px 16px;
    }
    .status-card-value {
        font-size: 22px;
    }

    .theme-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

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

    .dashboard-layout {
        flex-direction: column;
    }
    .dashboard-sub-sidebar {
        width: 100%;
        flex-direction: row;
        overflow-x: auto;
        border-right: none;
        border-bottom: 1px solid var(--divider);
        padding: 6px;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
    }
    .dashboard-sub-sidebar .category-item {
        display: inline-flex;
        flex-shrink: 0;
    }

    .modal {
        min-width: auto;
        max-width: 95vw;
        margin: 12px;
        padding: 20px;
        border-radius: var(--radius-lg);
    }

    /* Mobile bottom nav */
    .mobile-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--bg-secondary);
        border-top: 1px solid var(--divider);
        z-index: 150;
        backdrop-filter: var(--blur-large);
        -webkit-backdrop-filter: var(--blur-large);
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
    .mobile-nav .nav-item {
        flex: 1;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        padding: 6px 4px;
        font-size: 10px;
        border-radius: 0;
        min-width: 0;
    }
    .mobile-nav .nav-item svg {
        width: 22px;
        height: 22px;
    }
    .mobile-nav .nav-label {
        font-size: 10px;
        opacity: 1;
        visibility: visible;
    }

    .debug-container > div:last-child {
        grid-template-columns: 1fr 1fr;
    }

    .settings-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    .settings-control {
        width: 100%;
    }
    .settings-control input[type="number"],
    .settings-control select {
        width: 100%;
    }
}

/* ===== Tablet Layout ===== */
@media (min-width: 768px) and (max-width: 1023px) {
    .sidebar {
        width: var(--sidebar-collapsed-width);
    }
    .sidebar.expanded {
        position: fixed;
        width: var(--sidebar-width);
        box-shadow: var(--shadow-lg);
        z-index: 150;
    }

    .page {
        padding: 16px 20px;
    }

    .status-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .theme-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ===== Desktop ===== */
@media (min-width: 1024px) {
    .mobile-nav {
        display: none;
    }

    .status-grid {
        grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    }
    .theme-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

/* ===== High-DPI / Retina ===== */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .glass, .glass-light, .glass-card {
        -webkit-font-smoothing: antialiased;
    }
}

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}