:root {
    /* Bootstrap semantic tokens (single-client theme baseline). */
    --bs-primary: #0d6efd;
    --bs-primary-rgb: 13, 110, 253;
    --bs-success: #198754;
    --bs-success-rgb: 25, 135, 84;
    --bs-warning: #ffc107;
    --bs-warning-rgb: 255, 193, 7;
    --bs-danger: #dc3545;
    --bs-danger-rgb: 220, 53, 69;

    /* App-specific tokens layered on top of Bootstrap. */
    --app-body-bg: #f9f9f9;
    --app-sidebar-bg: #f5f7fa;
    --app-sidebar-border: #e2e8f0;
    --app-nav-link: #243447;
    --app-nav-link-hover-bg: #ffffff;
    --app-nav-link-hover: #db0007;
    --app-nav-link-active: var(--app-nav-link-hover-bg);
    --app-nav-link-active-text: #0b63f3;
    --app-swatch-border: rgba(0, 0, 0, 0.08);
    --app-surface: #ffffff;
    --app-border: #dfe5ee;
    --app-muted-text: #6f7f95;
    --app-title: #222f43;
    --app-accent: #0d6efd;
    --app-success-soft-bg: #dff7ea;
    --app-success-soft-text: #1f8f5f;
}

html {
    font-size: 14px;
}

html,
body {
    min-height: 100%;
}

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

.app-body > main.p-0.m-0 {
    min-height: 100vh;
}

.app-sidebar {
    width: 260px;
    min-width: 260px;
    background-color: var(--app-sidebar-bg);
    border-right: 1px solid var(--app-sidebar-border);
    height: 100vh;
    position: sticky;
    top: 0;
    overflow-y: auto;
    scrollbar-gutter: auto;
}

/* Optional collapsed state for future toggle support. */
.app-sidebar.is-collapsed {
    width: 88px;
    min-width: 88px;
}

.app-brand-link {
    padding: 1rem 1rem 0.85rem;
    width: 100%;
    border-bottom: 1px solid var(--app-sidebar-border);
    margin-bottom: 0.75rem;
}

.app-brand-logo {
    width: 100%;
    max-width: 172px;
    height: auto;
    display: block;
}

.app-auth-brand-link {
    width: 100%;
}

.app-auth-brand-logo {
    width: 100%;
    max-width: 220px;
    height: auto;
    display: block;
}

.app-nav-link {
    color: var(--app-nav-link);
    border-radius: 0.5rem;
    padding: 0.45rem 0.55rem;
    font-size: 0.96rem;
    line-height: 1.35;
    font-weight: 500;
}

.app-nav-icon {
    width: 0.95rem;
    text-align: center;
    font-size: 0.82rem;
    line-height: 1;
    flex-shrink: 0;
    color: #7f8da3;
}

.app-sidebar .nav-pills {
    --bs-nav-pills-border-radius: 0.5rem;
    --bs-nav-pills-link-active-bg: var(--app-nav-link-active);
    --bs-nav-pills-link-active-color: var(--app-nav-link-active-text);
}

.app-sidebar .nav {
    padding: 0 0.55rem;
}

.btn {
    --bs-btn-border-radius: 0.6rem;
    --bs-btn-border-radius-sm: 0.6rem;
    --bs-btn-border-radius-lg: 0.6rem;
    border-radius: 0.6rem;
}

.app-nav-link:hover {
    background-color: #eff4fb;
    color: var(--app-accent);
}

.app-nav-link.active {
    background-color: #cfdded;
    color: #0b63f3;
    border-radius: 0.5rem;
    font-weight: 600;
    box-shadow: inset 0 0 0 1px #c1d2e6;
}

.app-nav-link:hover .app-nav-icon,
.app-nav-link.active .app-nav-icon {
    color: #0b63f3;
}

.app-nav-section-title {
    padding-left: 0.6rem;
    margin-top: 0.15rem;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    font-weight: 700;
    color: #7f8da3;
}

.app-sidebar hr {
    margin: 0.8rem 0.6rem;
    border-top-color: var(--app-sidebar-border);
    opacity: 1;
}

.app-main-content {
    max-width: 1600px;
}

.app-dashboard {
    color: var(--app-title);
}

.app-dash-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--app-title);
}

.app-dash-subtitle {
    color: var(--app-muted-text);
    font-size: 0.95rem;
}

.app-chip-btn {
    padding: 0.5rem 0.85rem;
    font-weight: 600;
}

.app-kpi-card {
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
    padding: 1rem;
}

.app-kpi-meta {
    color: var(--app-muted-text);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: 0.35rem;
}

.app-kpi-meta i {
    margin-right: 0.35rem;
    color: var(--app-accent);
}

.app-kpi-value {
    font-size: 2.1rem;
    line-height: 1;
    font-weight: 700;
    color: #1f2c3f;
}

.app-kpi-delta {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.45rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--app-success-soft-text);
    background: var(--app-success-soft-bg);
}

.app-section-label {
    margin-bottom: 0.75rem;
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: var(--app-muted-text);
}

.app-quick-link {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
    padding: 0.95rem 1rem;
    color: #1f2c3f;
    text-decoration: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.app-quick-link:hover {
    color: #1f2c3f;
    border-color: #c9d9f5;
    box-shadow: 0 6px 18px rgba(28, 55, 90, 0.08);
}

.app-quick-link-icon {
    width: 2rem;
    height: 2rem;
    border-radius: 0.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #f1f6ff;
    color: var(--app-accent);
}

.app-activity-panel {
    min-height: 12rem;
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.app-activity-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 999px;
    background: #eef3fa;
    color: #6581a6;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.8rem;
}

.app-activity-title {
    color: #27364a;
    font-weight: 600;
}

.app-activity-note {
    max-width: 48ch;
    color: var(--app-muted-text);
    font-size: 0.92rem;
}

.app-page {
    color: var(--app-title);
}

.app-page-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--app-title);
}

.app-page-subtitle {
    color: var(--app-muted-text);
    font-size: 0.95rem;
}

.app-filter-card,
.app-resource-panel {
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
}

.app-filter-card {
    padding: 1rem;
}

.app-resource-panel {
    overflow: hidden;
}

.app-resource-table {
    margin-bottom: 0;
}

.app-resource-table thead th {
    border-bottom-color: var(--app-border);
    color: var(--app-muted-text);
    font-size: 0.76rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.app-resource-table tbody tr {
    border-color: var(--app-border);
}

.app-resource-table tbody td {
    padding-top: 0.95rem;
    padding-bottom: 0.95rem;
}

.app-resource-title {
    font-weight: 700;
    color: #1f2c3f;
}

.app-resource-subtitle {
    color: var(--app-muted-text);
    font-size: 0.86rem;
}

.app-tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    border-radius: 999px;
    background: #eef3fa;
    color: #50657f;
    font-size: 0.76rem;
    font-weight: 700;
    padding: 0.18rem 0.5rem;
}

.app-code-chip {
    border-radius: 999px;
    background: #f1f6ff;
    color: var(--app-accent);
    font-weight: 700;
    padding: 0.2rem 0.52rem;
}

.app-info-card {
    border: 1px solid #d9e6f8;
    border-radius: 0.75rem;
    background: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
    padding: 1rem;
}

.app-chart-card {
    border: 1px solid var(--app-border);
    border-radius: 0.75rem;
    background: var(--app-surface);
    padding: 1rem;
}

.app-chart-title {
    font-size: 0.85rem;
    letter-spacing: 0.06em;
    font-weight: 700;
    color: var(--app-muted-text);
    text-transform: uppercase;
}

.app-line-chart {
    width: 100%;
    min-height: 190px;
}

.app-line-chart svg {
    width: 100%;
    height: 190px;
    display: block;
}

.app-line-chart-grid {
    stroke: #e8eef7;
    stroke-width: 0.5;
}

.app-line-chart-area {
    fill: rgba(var(--bs-primary-rgb), 0.08);
}

.app-line-chart-line {
    fill: none;
    stroke: var(--app-accent);
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.app-line-chart-point {
    fill: var(--app-accent);
    stroke: #ffffff;
    stroke-width: 1.4;
}

.app-chart-canvas {
    position: relative;
    min-height: 320px;
}

.app-chart-canvas-sm {
    min-height: 300px;
}

.app-chart-canvas-md {
    min-height: 340px;
}

.app-bar-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
    align-items: center;
}

.app-bar-track {
    height: 0.55rem;
    border-radius: 999px;
    background: #edf3fb;
    overflow: hidden;
}

.app-bar-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #0d6efd 0%, #65a1ff 100%);
}

.app-analytics-feed {
    max-height: 420px;
    overflow: auto;
}

.app-public-card {
    max-width: 720px;
}

.app-auth-card {
    max-width: 540px;
}

.app-secret-note-card {
    max-width: 100%;
    width: 100%;
}

.ui-swatch {
    width: 100%;
    height: 72px;
    border-radius: 0.5rem;
    border: 1px solid var(--app-swatch-border);
}

/* Public landing: premium full-screen hero. */
.landing-hero {
    min-height: 100vh;
    min-height: 100svh;
    background-image: url('/assets/images/leaderboard2.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    isolation: isolate;
}

.landing-hero-overlay {
    background:
        radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.10) 0%, rgba(255, 255, 255, 0) 35%),
        linear-gradient(115deg, rgba(5, 8, 15, 0.92) 0%, rgba(5, 8, 15, 0.76) 50%, rgba(5, 8, 15, 0.56) 100%);
}

.landing-brand img {
    filter: drop-shadow(0 4px 14px rgba(0, 0, 0, 0.35));
}

.landing-kicker {
    color: rgba(255, 255, 255, 0.84);
    letter-spacing: 0.08em;
}

.landing-content h1 {
    text-wrap: balance;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.52);
}

.landing-lead {
    max-width: 58ch;
    color: rgba(255, 255, 255, 0.82);
}

.landing-top-cta,
.landing-primary-cta,
.landing-secondary-cta {
    font-weight: 600;
    border-width: 1px;
}

.landing-feature-card {
    border: 1px solid rgba(255, 255, 255, 0.24);
    border-radius: 0.75rem;
    background: rgba(8, 13, 24, 0.74);
    -webkit-backdrop-filter: blur(7px);
    backdrop-filter: blur(7px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

.landing-feature-icon {
    color: rgba(255, 255, 255, 0.96);
}

.landing-feature-text {
    color: rgba(255, 255, 255, 0.86);
}

@media (max-width: 991.98px) {
    .app-sidebar .nav {
        padding: 0 0.5rem;
    }

    .app-dash-title {
        font-size: 1.65rem;
    }

    .landing-hero {
        background-position: 58% center;
    }

    .landing-content h1 {
        font-size: clamp(2rem, 6vw, 2.8rem);
    }
}