/* ===== APP SHELL — sidebar + themed page banners (design board) ===== */

:root {
    /* Muted Soft Pastel Palette for Light Mode Dashboard */
    --theme-green: #f0fdf4;
    --theme-green-dark: #16a34a;
    --theme-blue: #eef2ff;
    --theme-blue-dark: #4f46e5;
    --theme-orange: #fff7ed;
    --theme-orange-dark: #ea580c;
    --theme-purple: #f3e8ff;
    --theme-purple-dark: #9333ea;
    
    /* Soft Light Mode Sidebar Background */
    --sidebar-bg: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    
    --sidebar-width: 220px;
    --sidebar-collapsed: 72px;
    --banner-radius: 28px;
    --btn-font-size: 1.05rem;
}

/* Dark Mode Color Overrides */
body.dark-mode {
    /* Deep Palette for Banners in Dark Mode */
    --theme-green: #1e1b4b;
    --theme-blue: #14532d;
    --theme-orange: #431407;
    --theme-purple: #2e1065;
    --theme-orange-streak-number: #fff7ed;
    
    /* Dark Slate Sidebar Background */
    --sidebar-bg: #111827;
}

body.dark-mode .streak-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--theme-orange-streak-number);
    line-height: 1;
}

body.app-body {
    padding: 0;
    min-height: 100vh;
}

.app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

/* ----- Sidebar ----- */
.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
    z-index: 200;
    transition: width 0.25s ease, padding 0.25s ease, background 0.2s ease;
    overflow: hidden;
}

.app-sidebar.collapsed {
    width: var(--sidebar-collapsed);
    padding: 20px 10px;
}

.sidebar-brand {
    font-size: 1.15rem;
    font-weight: 800;
    margin-bottom: 28px;
    padding: 0 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.sidebar-toggle {
    align-self: center;
    background: rgba(255, 255, 255, 0.15);
    border: none;
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.1rem;
    margin-bottom: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.28);
}

.app-sidebar.collapsed .sidebar-header {
    justify-content: center;
}

.app-sidebar.collapsed .sidebar-toggle {
    margin-inline: auto;
}

.app-sidebar.collapsed .sidebar-brand span,
.app-sidebar.collapsed .nav-item-label,
.app-sidebar.collapsed .sidebar-section-label {
    display: none;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1;
}

.sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.65;
    margin: 16px 8px 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background 0.2s, transform 0.15s;
    white-space: nowrap;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateX(2px);
}

.sidebar-link.active {
    background: rgba(255, 255, 255, 0.28);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
}

.sidebar-link .nav-icon {
    font-size: 1.25rem;
    width: 28px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-link.logout-link {
    color: rgba(255, 255, 255, 0.85);
}

/* ----- Main content area ----- */
.app-main {
    flex: 1;
    min-width: 0;
    padding: 24px 28px 40px;
    overflow-x: auto;
}

.app-page {
    max-width: 1400px;
    margin: 0 auto;
}

.app-page.wide {
    max-width: 1480px;
}

/* Themed top banners — extra rounded per design notes */
.page-banner {
    border-radius: var(--banner-radius);
    padding: 28px 36px;
    margin-bottom: 28px;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.page-banner h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 6px;
    color: #fff;
}

.page-banner .banner-sub {
    font-size: 1.05rem;
    opacity: 0.92;
    margin: 0;
}

.page-banner.theme-green {
    background: linear-gradient(135deg, var(--theme-green) 0%, var(--theme-green-dark) 100%);
}

.page-banner.theme-blue {
    background: linear-gradient(135deg, var(--theme-blue) 0%, var(--theme-blue-dark) 100%);
}

.page-banner.theme-orange {
    background: linear-gradient(135deg, var(--theme-orange) 0%, var(--theme-orange-dark) 100%);
}

.page-banner.theme-purple {
    background: linear-gradient(135deg, var(--theme-purple) 0%, var(--theme-purple-dark) 100%);
}

/* Global buttons — bigger text, white on colored buttons */
.btn-themed,
.page-banner .btn-banner,
.feature-btn,
.btn-jump-in,
.btn-primary:not(.btn-secondary),
.duration-btn.active,
.btn-save-settings,
.btn-submit,
.btn-hero-primary,
.btn-nav-signup {
    font-size: var(--btn-font-size) !important;
}

.btn-themed,
.btn-primary,
.btn-jump-in,
.btn-save-settings,
.btn-submit,
.duration-btn.active,
.feature-btn {
    color: #fff !important;
}

.btn-themed {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 14px;
    font-family: 'Lexend', sans-serif;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-themed:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.btn-themed.green { background: var(--theme-green-dark); }
.btn-themed.blue { background: var(--theme-blue-dark); }
.btn-themed.orange { background: var(--theme-orange-dark); }
.btn-themed.purple { background: var(--theme-purple-dark); }

/* Dashboard sections */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 24px;
    margin-bottom: 32px;
}

.jump-back-section {
    margin-bottom: 28px;
}

.section-heading {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.jump-back-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 16px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.jump-card {
    flex: 0 0 200px;
    min-width: 180px;
    background: linear-gradient(135deg, var(--theme-blue-dark) 0%, var(--theme-purple-dark) 100%);
    border-radius: 20px;
    padding: 20px;
    color: #fff;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.jump-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(74, 144, 217, 0.35);
}

.jump-card-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.jump-card-title {
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 4px;
}

.jump-card-meta {
    font-size: 0.9rem;
    opacity: 0.9;
}

.weekly-activity-panel {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 22px;
    padding: 28px 32px;
    min-height: 280px;
}

.weekly-activity-panel .section-heading {
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.activity-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
    height: 200px;
    padding-top: 12px;
}

.chart-bar-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    min-width: 0;
    height: 100%;
}

.chart-bar-track {
    flex: 1;
    width: 100%;
    max-width: 48px;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    min-height: 140px;
}

.chart-bar {
    width: 100%;
    background: linear-gradient(180deg, var(--theme-blue-dark) 0%, var(--theme-purple-dark) 100%);
    border-radius: 10px 10px 4px 4px;
    min-height: 8px;
    transition: height 0.4s ease;
}

.chart-bar-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
}

.chart-bar-value {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.streak-panel {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 22px;
    padding: 28px;
    text-align: center;
}

.streak-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--theme-orange-dark);
    line-height: 1;
}

.streak-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 8px;
}

.recent-tasks-panel {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 24px;
    margin-bottom: 28px;
}

.recent-tasks-panel h3 {
    font-size: 1.2rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

/* Wider feature cards — single row on desktop */
.dashboard-features-wide {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 36px;
}

.dashboard-features-wide .feature-card {
    min-height: 200px;
    padding: 22px 18px;
}

.dashboard-features-wide .feature-btn {
    font-size: 1rem !important;
    padding: 12px 18px !important;
}

/* Flyout panels (timer custom, city tutorial) */
.flyout-panel {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 22px;
    padding: 28px 32px;
    margin-bottom: 24px;
}

.flyout-panel.theme-orange {
    border-color: var(--theme-orange);
    background: linear-gradient(135deg, rgba(255, 140, 66, 0.12) 0%, rgba(255, 140, 66, 0.04) 100%);
}

.flyout-panel.theme-purple {
    border-color: var(--theme-purple);
    background: linear-gradient(135deg, rgba(155, 89, 182, 0.12) 0%, rgba(155, 89, 182, 0.04) 100%);
}

.flyout-panel h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.flyout-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 16px;
}

/* Settings enlarged sections */
.settings-root-wide {
    max-width: 920px !important;
}

.settings-block {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    border-radius: 22px;
    padding: 32px 36px;
    margin-bottom: 24px;
}

.settings-block h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.star-rating {
    --rating-star-active: #f5b301;
    --rating-star-muted: #9ca3af;
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.star-rating button {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    padding: 4px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--rating-star-muted);
    cursor: pointer;
    transition: color .15s, transform .15s, background .15s;
}

.star-rating button .icon { width: 34px; height: 34px; fill: transparent; stroke: currentColor; }
.star-rating button.active,
.star-rating button.preview { color: var(--rating-star-active); transform: scale(1.08); }
.star-rating button.active .icon,
.star-rating button.preview .icon { fill: currentColor; }
.star-rating button:hover { background: rgba(245, 179, 1, .12); }
.star-rating button:focus-visible { outline: 3px solid #2563eb; outline-offset: 2px; }
.rating-value { min-height: 1.5em; margin: 0 0 16px; color: var(--text-secondary); font-weight: 600; }
body.dark-mode .star-rating { --rating-star-active: #facc15; --rating-star-muted: #94a3b8; }

.settings-link-row {
    display: block;
    padding: 18px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.settings-link-row:last-child {
    border-bottom: none;
}

.settings-link-row:hover {
    color: var(--theme-purple);
}

.prefs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.pref-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 18px;
    background: var(--container-bg);
    border: 2px solid var(--border-color);
    border-radius: 14px;
    font-size: 1rem;
    font-weight: 600;
}

.search-bar-app {
    width: 100%;
    max-width: 400px;
    padding: 14px 18px;
    font-size: 1rem;
    font-family: 'Lexend', sans-serif;
    border: 2px solid var(--border-color);
    border-radius: 14px;
    margin-bottom: 20px;
    background: var(--input-bg);
    color: var(--input-text);
}

.search-bar-app:focus {
    outline: none;
    border-color: var(--theme-blue);
    box-shadow: 0 0 0 3px rgba(74, 144, 217, 0.2);
}

/* Hide old horizontal nav when using sidebar */
.app-shell .nav-menu {
    display: none;
}

/* City page: sidebar + full-width game */
.app-shell.city-shell .app-main {
    padding: 16px;
}

.app-shell.city-shell .game-container {
    max-width: none;
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard-features-wide {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 900px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
    }

    .app-sidebar.mobile-open {
        transform: translateX(0);
    }

    .app-sidebar.collapsed {
        width: var(--sidebar-width);
        transform: translateX(-100%);
    }

    .app-sidebar.collapsed.mobile-open {
        transform: translateX(0);
    }

    .mobile-sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 199;
    }

    .mobile-sidebar-backdrop.show {
        display: block;
    }

    .mobile-menu-fab {
        display: flex !important;
        position: fixed;
        bottom: 24px;
        left: 24px;
        z-index: 201;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--theme-purple), var(--theme-purple-dark));
        border: none;
        color: #fff;
        font-size: 1.4rem;
        cursor: pointer;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        align-items: center;
        justify-content: center;
    }

    .app-main {
        padding: 16px;
    }

    .dashboard-features-wide {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 901px) {
    .mobile-menu-fab {
        display: none !important;
    }
}

@media (max-width: 640px) {
    .dashboard-features-wide {
        grid-template-columns: 1fr;
    }

    .page-banner {
        padding: 22px 24px;
        border-radius: 22px;
    }

    .page-banner h1 {
        font-size: 1.5rem;
    }
}

/* ===== APP SHELL — sidebar + layout ===== */

:root {
    /* Soft, professional color palette */
    --sidebar-bg: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    --app-bg: #f4f7f9; /* Soft pale grey for easy reading */
    --card-bg: #ffffff;
    --text-primary: #1e1e2f;
    --text-secondary: #64748b;
    --border-soft: #e2e8f0;
    
    --theme-purple: #7b6fd4;
    --theme-purple-dark: #5e4bb6;
    
    --sidebar-width: 220px;
    --sidebar-collapsed: 72px;
    --banner-radius: 20px;
}

body.dark-mode {
    --sidebar-bg: #151421;
    --app-bg: #0d0c14;
    --card-bg: #1a1926;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-soft: #2a283e;
}

body.app-body {
    padding: 0;
    min-height: 100vh;
    background: var(--app-bg);
    color: var(--text-primary);
}

.app-shell {
    display: flex;
    min-height: 100vh;
    width: 100%;
    max-width: 100%;
}

/* ----- Sidebar ----- */
.app-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--sidebar-bg);
    color: #ffffff;
    display: flex;
    flex-direction: column;
    height: 100vh; /* Forces sidebar to take full height */
    padding: 20px 14px;
    position: sticky;
    top: 0;
    z-index: 200;
    transition: width 0.25s ease, padding 0.25s ease;
    overflow: hidden;
}

.app-sidebar.collapsed {
    width: var(--sidebar-collapsed);
    padding: 20px 10px;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding: 0 4px;
    min-height: 36px;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.sidebar-logo {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
}

.sidebar-brand-text {
    font-size: 1.1rem;
    font-weight: 800;
    color: #fff;
    white-space: nowrap;
}

.sidebar-toggle {
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.app-sidebar.collapsed .sidebar-header {
    justify-content: center;
}

.app-sidebar.collapsed .sidebar-toggle {
    margin-inline: auto;
}

.app-sidebar.collapsed .sidebar-brand-text,
.app-sidebar.collapsed .nav-item-label,
.app-sidebar.collapsed .sidebar-section-label {
    display: none;
}

/* Flex 1 pushes everything below it to the bottom */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex: 1; 
    overflow-y: auto;
}

.sidebar-section-label {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.5);
    margin: 16px 8px 8px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.2s;
    white-space: nowrap;
}

.sidebar-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

.sidebar-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.sidebar-link .nav-icon {
    font-size: 1.25rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

/* Margin-top auto locks it to the bottom */
.sidebar-footer {
    margin-top: auto; 
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-link.logout-link {
    color: #fca5a5;
}
.sidebar-link.logout-link:hover {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
}

/* ----- Main content area ----- */
.app-main {
    flex: 1;
    min-width: 0;
    padding: 24px 32px;
    overflow-x: auto;
}

.app-page {
    max-width: 1200px;
    margin: 0 auto;
}

/* Page Banner */
.page-banner {
    border-radius: var(--banner-radius);
    padding: 32px 40px;
    margin-bottom: 32px;
    background: linear-gradient(135deg, var(--theme-purple) 0%, var(--theme-purple-dark) 100%);
    color: #fff;
    box-shadow: 0 8px 24px rgba(123, 111, 212, 0.15);
}

.page-banner h1 {
    font-size: 2rem;
    font-weight: 800;
    margin: 0 0 6px;
    color: #fff !important;
}

.page-banner .banner-sub {
    font-size: 1.05rem;
    opacity: 0.9;
    margin: 0;
    color: #fff !important;
}

/* Mobile responsive adjustments */
@media (max-width: 900px) {
    .app-sidebar {
        position: fixed;
        left: 0;
        transform: translateX(-100%);
        box-shadow: 4px 0 24px rgba(0, 0, 0, 0.2);
    }
    .app-sidebar.mobile-open {
        transform: translateX(0);
    }
    .mobile-sidebar-backdrop {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.45);
        z-index: 199;
    }
    .mobile-sidebar-backdrop.show {
        display: block;
    }
    .mobile-menu-fab {
        display: flex !important;
        position: fixed;
        bottom: 24px;
        left: 24px;
        z-index: 201;
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: var(--theme-purple);
        border: none;
        color: #fff;
        font-size: 1.4rem;
        cursor: pointer;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
        align-items: center;
        justify-content: center;
    }
    .app-main {
        padding: 16px;
    }
}
@media (min-width: 901px) {
    .mobile-menu-fab { display: none !important; }
}
/* Keep the collapsed desktop sidebar toggle visually centred. */
.app-sidebar.collapsed .sidebar-header {
    width: 100%;
    display: flex;
    justify-content: center;
}

.app-sidebar.collapsed .sidebar-toggle {
    margin: 0 auto;
    transform: none;
}

.app-sidebar.collapsed .sidebar-link {
    justify-content: center;
    padding-left: 0;
    padding-right: 0;
    gap: 0;
}

.app-sidebar.collapsed .sidebar-link:hover {
    transform: none;
}

/* Persistent Study City resources in the sidebar. */
.sidebar-city-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    padding: 12px 4px 14px;
    margin-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.sidebar-city-stat {
    min-width: 0;
    padding: 9px 8px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.13);
    color: #fff;
}

.sidebar-stat-icon,
.sidebar-stat-label,
.sidebar-city-stat strong {
    display: block;
}

.sidebar-stat-icon {
    font-size: 1rem;
    line-height: 1;
    margin-bottom: 4px;
}

.sidebar-stat-label {
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    opacity: 0.72;
    text-transform: uppercase;
}

.sidebar-city-stat strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.96rem;
    line-height: 1.2;
}

.app-sidebar.collapsed .sidebar-city-stats {
    grid-template-columns: 1fr;
    padding-left: 0;
    padding-right: 0;
}

.app-sidebar.collapsed .sidebar-city-stat {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 38px;
    padding: 8px 0;
}

.app-sidebar.collapsed .sidebar-stat-label,
.app-sidebar.collapsed .sidebar-city-stat strong {
    display: none;
}

.app-sidebar.collapsed .sidebar-stat-icon {
    margin: 0;
    font-size: 1.12rem;
}

@media (max-height: 760px) and (min-width: 901px) {
    .sidebar-city-stats {
        grid-template-columns: 1fr 1fr 1fr 1fr;
        gap: 5px;
    }

    .sidebar-city-stat {
        padding: 7px 4px;
    }

    .sidebar-stat-label {
        display: none;
    }
}
.entitlement-badge{display:inline-flex;align-items:center;gap:4px;margin-left:auto;padding:2px 7px;border-radius:999px;font-size:.68rem;font-weight:800;white-space:nowrap}.premium-badge{background:#3b2d14;color:#fcd34d;border:1px solid #8a6722}.source-school{background:#12382f;color:#6ee7b7}.source-admin{background:#312e81;color:#c4b5fd}.source-individual{background:#3b2d14;color:#fcd34d}.source-free{background:var(--card-bg,#eef2f7);color:var(--text-secondary,#64748b)}.locked-feature-card{display:flex;gap:18px;align-items:flex-start;padding:22px;margin:18px 0;border:1px solid #8a6722;border-radius:16px;background:linear-gradient(135deg,rgba(120,82,15,.18),rgba(91,91,214,.1));color:var(--text-primary)}.locked-feature-card h2{margin:0 0 6px;color:var(--text-heading)}.locked-feature-card p{margin:5px 0 12px}.locked-feature-icon{font-size:2rem}@media(max-width:600px){.locked-feature-card{flex-direction:column}.entitlement-badge{font-size:.6rem}}

/* ===== Canonical responsive app shell and collapsed navigation ===== */
:root {
    --sidebar-width-expanded: 220px;
    --sidebar-width-collapsed: 72px;
    /* Backwards-compatible aliases used by City and older page styles. */
    --sidebar-width: var(--sidebar-width-expanded);
    --sidebar-collapsed: var(--sidebar-width-collapsed);
}

.app-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width-expanded) minmax(0, 1fr);
    min-height: 100dvh;
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
    transition: grid-template-columns .25s ease;
}

.app-shell.sidebar-collapsed {
    grid-template-columns: var(--sidebar-width-collapsed) minmax(0, 1fr);
}

.app-sidebar {
    width: 100%;
    min-width: 0;
    max-width: var(--sidebar-width-expanded);
}

.app-sidebar.collapsed {
    width: 100%;
    max-width: var(--sidebar-width-collapsed);
    overflow: hidden;
}

.app-main {
    width: 100%;
    min-width: 0;
    max-width: 100%;
    overflow-x: hidden;
    transition: padding .2s ease;
}

.app-sidebar.collapsed .sidebar-brand,
.app-sidebar.collapsed .nav-item-label,
.app-sidebar.collapsed .sidebar-section-label,
.app-sidebar.collapsed .entitlement-badge,
.app-sidebar.collapsed .sidebar-city-stats {
    display: none;
}

.app-sidebar.collapsed .sidebar-nav {
    align-items: stretch;
    overflow-x: hidden;
}

.app-sidebar.collapsed .sidebar-link {
    width: 100%;
    min-width: 0;
    justify-content: center;
    gap: 0;
    padding: 11px 0;
    overflow: hidden;
}

.app-sidebar.collapsed .sidebar-link .nav-icon {
    width: 32px;
    margin: 0;
    flex: 0 0 32px;
    text-align: center;
}

.app-sidebar.collapsed .sidebar-link.active {
    box-shadow: inset 3px 0 0 #fff;
}

.sidebar-link:focus-visible,
.sidebar-toggle:focus-visible,
.mobile-menu-fab:focus-visible {
    outline: 3px solid #fef08a;
    outline-offset: 2px;
}

@media (max-width: 900px) {
    .app-shell,
    .app-shell.sidebar-collapsed {
        display: block;
        width: 100%;
        min-height: 100dvh;
    }

    .app-sidebar,
    .app-sidebar.collapsed {
        width: min(var(--sidebar-width-expanded), 86vw);
        max-width: min(var(--sidebar-width-expanded), 86vw);
        padding: 20px 14px;
        transform: translateX(-105%);
    }

    .app-sidebar.mobile-open,
    .app-sidebar.collapsed.mobile-open {
        transform: translateX(0);
    }

    .app-sidebar.collapsed .sidebar-brand,
    .app-sidebar.collapsed .nav-item-label,
    .app-sidebar.collapsed .sidebar-section-label,
    .app-sidebar.collapsed .entitlement-badge {
        display: initial;
    }

    .app-sidebar.collapsed .sidebar-section-label { display: block; }
    .app-sidebar.collapsed .sidebar-brand { display: flex; }
    .app-sidebar.collapsed .sidebar-link { justify-content: flex-start; gap: 12px; padding: 11px 12px; }
    .app-sidebar.collapsed .sidebar-city-stats { display: grid; }

    .app-main {
        width: 100%;
        margin-left: 0;
        overflow-x: hidden;
    }
}

/* Keep long premium navigation affordances within the expanded rail. */
.app-sidebar{box-sizing:border-box}.sidebar-link{box-sizing:border-box;min-width:0}.sidebar-link .nav-item-label{min-width:0;overflow:hidden;text-overflow:ellipsis}.sidebar-link.premium-feature-link{gap:8px}.sidebar-link.premium-feature-link .nav-item-label{font-size:.82rem}.sidebar-link .premium-badge{flex:0 0 auto;padding:2px 4px;font-size:.56rem;letter-spacing:-.015em}.app-sidebar.collapsed .premium-feature-link .premium-badge{display:none}

/*
 * Shell placement invariant.
 * The sidebar partial also renders a backdrop and mobile menu button. Those
 * controls must never take grid cells, otherwise the sidebar moves into the
 * content column and the page wraps into the narrow sidebar column.
 */
.app-shell {
    grid-template-areas: "sidebar main";
    grid-template-rows: minmax(100dvh, auto);
}

.app-shell > .app-sidebar {
    grid-area: sidebar;
}

.app-shell > .app-main {
    grid-area: main;
}

.app-shell > .mobile-sidebar-backdrop,
.app-shell > .mobile-menu-fab {
    position: fixed;
}

.app-shell > .mobile-sidebar-backdrop {
    display: none;
}

@media (max-width: 900px) {
    .app-shell,
    .app-shell.sidebar-collapsed {
        grid-template-areas: none;
        grid-template-rows: none;
    }

    .app-shell > .mobile-sidebar-backdrop.show {
        display: block;
    }
}

/* Platform-owner-only safe role preview */
.admin-preview-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin: 16px clamp(12px, 2.5vw, 28px) 0;
    padding: 14px 18px;
    border: 1px solid #f6c453;
    border-left: 5px solid #d97706;
    border-radius: 14px;
    background: #fff8db;
    color: #4a2c05;
    box-shadow: 0 8px 24px rgba(120, 72, 0, .12);
}
.admin-preview-banner div { display: grid; gap: 2px; }
.admin-preview-banner strong { color: #713f12; font-size: 1rem; }
.admin-preview-banner span { font-weight: 750; }
.admin-preview-banner small { color: #784f17; }
.admin-preview-banner a {
    flex: 0 0 auto;
    padding: 10px 14px;
    border: 1px solid #92400e;
    border-radius: 10px;
    background: #92400e;
    color: #fff;
    font-weight: 800;
    text-decoration: none;
}
.admin-preview-banner a:hover, .admin-preview-banner a:focus-visible { background: #78350f; outline: 3px solid rgba(217, 119, 6, .28); outline-offset: 2px; }
.sidebar-link.preview-disabled { cursor: not-allowed; opacity: .72; }
.sidebar-link.preview-exit-link { border: 1px solid rgba(251, 191, 36, .48); color: #fde68a; }
.dark-mode .admin-preview-banner { border-color: #b7791f; background: #3b2b0c; color: #fef3c7; }
.dark-mode .admin-preview-banner strong, .dark-mode .admin-preview-banner small { color: #fde68a; }
@media (max-width: 680px) {
    .admin-preview-banner { align-items: stretch; flex-direction: column; margin: 10px; padding: 13px; }
    .admin-preview-banner a { text-align: center; }
}


/* Shared title alignment: headings are positioned by the content column, never the viewport. */
.app-main > .page-header,
.app-page > .page-header,
.app-page > .page-banner,
.education-page > .page-header,
.education-page > .education-hero {
    width: 100%;
    margin-inline: 0;
}
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    margin: 0 0 24px;
}
.page-header-copy { min-width: 0; }
.page-title,
.page-header h1 { margin: 0; text-align: left; line-height: 1.12; }
.page-header-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px; }
.page-banner { text-align: left; }
.page-banner h1 { display: flex; align-items: center; justify-content: flex-start; gap: .35em; margin-inline: 0; text-align: left; }
@media (max-width: 720px) {
    .page-header { flex-direction: column; gap: 14px; }
    .page-header-actions { width: 100%; justify-content: flex-start; }
    .page-banner { padding-inline: 22px !important; }
}
.admin-preview-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-preview-actions a { white-space: nowrap; }