/* ═══════════════════════════════════════════════════════════════
   PERIGMA — Premium Design System
   ═══════════════════════════════════════════════════════════════ */

:root {
    /* ── Brand palette ───────────────────────────────────────── */
    --app-brand: #0891b2;
    --app-brand-hover: #0e7490;
    --app-brand-strong: #155e75;
    --app-brand-soft: #cffafe;
    --app-accent: #22d3ee;
    --app-accent-soft: #ecfeff;

    /* ── Surfaces ─────────────────────────────────────────────── */
    --app-bg: #f8fafc;
    --app-bg-elevated: #fafcfe;
    --app-surface: #ffffff;
    --app-surface-secondary: #f1f5f9;

    /* ── Text ─────────────────────────────────────────────────── */
    --app-text: #0f172a;
    --app-text-secondary: #475569;
    --app-text-muted: #94a3b8;

    /* ── Borders ──────────────────────────────────────────────── */
    --app-border: #e2e8f0;
    --app-border-soft: #f1f5f9;

    /* ── Semantic ─────────────────────────────────────────────── */
    --app-success: #059669;
    --app-success-soft: rgba(5, 150, 105, 0.1);
    --app-warning: #d97706;
    --app-warning-soft: rgba(217, 119, 6, 0.1);
    --app-danger: #dc2626;
    --app-danger-soft: rgba(220, 38, 38, 0.08);
    --app-info-soft: rgba(8, 145, 178, 0.08);
    --app-color-white: #ffffff;
    --app-color-transparent: transparent;
    --app-black-overlay-22: rgba(0, 0, 0, 0.22);

    /* ── Background gradients ─────────────────────────────────── */
    --app-bg-gradient-start: #f8fafc;
    --app-bg-gradient-mid: #f1f5f9;
    --app-bg-gradient-end: #e2e8f0;
    --app-surface-highlight: #fafcff;
    --app-panel-gradient-start: #f8fafc;
    --app-panel-gradient-end: #f1f5f9;
    --app-auth-bg-start: #f0f9ff;
    --app-auth-bg-end: #e0f2fe;

    /* ── Sidebar ──────────────────────────────────────────────── */
    --app-sidebar-gradient-start: #061e2f;
    --app-sidebar-gradient-mid: #041e31;
    --app-sidebar-gradient-end: #062336;
    --app-sidebar-text: #cbd5e1;
    --app-sidebar-text-muted: rgba(203, 213, 225, 0.6);
    --app-sidebar-text-faint: rgba(203, 213, 225, 0.4);
    --app-sidebar-link-text: rgba(226, 232, 240, 0.78);
    --app-sidebar-active-pill: #67e8f9;
    --app-sidebar-active-icon: #67e8f9;

    /* ── Brand overlays ───────────────────────────────────────── */
    --app-brand-overlay-05: rgba(8, 145, 178, 0.05);
    --app-brand-overlay-08: rgba(8, 145, 178, 0.08);
    --app-brand-overlay-14: rgba(8, 145, 178, 0.12);
    --app-brand-overlay-18: rgba(8, 145, 178, 0.16);
    --app-brand-overlay-20: rgba(8, 145, 178, 0.18);
    --app-brand-overlay-25: rgba(8, 145, 178, 0.22);
    --app-brand-overlay-32: rgba(8, 145, 178, 0.28);
    --app-brand-overlay-33: rgba(8, 145, 178, 0.3);
    --app-brand-overlay-34: rgba(8, 145, 178, 0.32);
    --app-brand-overlay-45: rgba(8, 145, 178, 0.42);
    --app-brand-border-soft-35: rgba(103, 232, 249, 0.3);

    /* ── Accent overlays ──────────────────────────────────────── */
    --app-accent-gradient-start: #a5f3fc;
    --app-accent-gradient-mid: #67e8f9;
    --app-accent-gradient-soft: #cffafe;
    --app-accent-gradient-end: #22d3ee;
    --app-accent-contrast: #164e63;
    --app-accent-overlay-09: rgba(34, 211, 238, 0.09);
    --app-accent-overlay-20: rgba(34, 211, 238, 0.18);
    --app-accent-overlay-24: rgba(34, 211, 238, 0.22);
    --app-accent-overlay-28: rgba(34, 211, 238, 0.26);
    --app-accent-overlay-35: rgba(34, 211, 238, 0.32);
    --app-accent-overlay-50: rgba(34, 211, 238, 0.48);
    --app-warning-contrast: #92400e;
    --app-warning-soft-bg: #fffbeb;

    --app-danger-overlay-30: rgba(220, 38, 38, 0.25);
    --app-danger-overlay-35: rgba(220, 38, 38, 0.3);

    /* ── White/surface overlays ────────────────────────────────── */
    --app-white-overlay-03: rgba(255, 255, 255, 0.03);
    --app-white-overlay-07: rgba(255, 255, 255, 0.06);
    --app-white-overlay-08: rgba(255, 255, 255, 0.07);
    --app-white-overlay-14: rgba(255, 255, 255, 0.12);
    --app-white-overlay-20: rgba(255, 255, 255, 0.18);
    --app-white-overlay-72: rgba(255, 255, 255, 0.72);
    --app-white-overlay-94: rgba(255, 255, 255, 0.94);
    --app-surface-overlay-84: rgba(248, 250, 252, 0.82);

    /* ── Misc tokens ──────────────────────────────────────────── */
    --app-progress-track: #e2e8f0;
    --app-placeholder-text: #94a3b8;
    --app-input-border-strong: #cbd5e1;
    --app-input-border-focus: #e2e8f0;
    --app-auth-shell-border: #e2e8f0;
    --app-auth-panel-gradient-start: #0c1722;
    --app-auth-panel-gradient-mid: #112741;
    --app-auth-panel-gradient-end: #0d5169;
    --app-auth-panel-text: #f0f9ff;
    --app-auth-text-muted: rgba(240, 249, 255, 0.78);
    --app-auth-text-strong: rgba(240, 249, 255, 0.92);
    --app-warning-banner-bg: #fef3c7;
    --app-warning-banner-text: #78350f;
    --app-error-boundary-bg: #991b1b;

    /* ── Radii ────────────────────────────────────────────────── */
    --app-radius-xs: 8px;
    --app-radius-sm: 12px;
    --app-radius-md: 16px;
    --app-radius-lg: 24px;
    --app-radius-xl: 32px;
    --app-radius-pill: 9999px;

    /* ── Shadows ──────────────────────────────────────────────── */
    --app-shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.06);
    --app-shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.04), 0 4px 12px rgba(15, 23, 42, 0.06);
    --app-shadow-md: 0 4px 6px rgba(15, 23, 42, 0.04), 0 12px 32px rgba(15, 23, 42, 0.08);
    --app-shadow-lg: 0 8px 16px rgba(15, 23, 42, 0.06), 0 24px 56px rgba(15, 23, 42, 0.1);
    --app-shadow-glow: 0 0 0 3px rgba(8, 145, 178, 0.12), 0 4px 16px rgba(8, 145, 178, 0.16);
    --app-sidebar-scrollbar: rgba(103, 232, 249, 0.24);
    --app-focus-ring: 0 0 0 3px rgba(8, 145, 178, 0.16);

    /* ── Layout ───────────────────────────────────────────────── */
    --app-sidebar-w: 272px;
    --app-topbar-h: 64px;
    --app-bottom-nav-h: 76px;
    --app-brand-font-family: "Times New Roman", Times, serif;

    /* ── Bootstrap overrides ──────────────────────────────────── */
    --bs-primary: #0891b2;
    --bs-primary-rgb: 8, 145, 178;
    --bs-warning: #d97706;
    --bs-warning-rgb: 217, 119, 6;
}

.app-layout.app-theme--kids {
    --app-brand: #f97316;
    --app-brand-hover: #ea580c;
    --app-brand-strong: #c2410c;
    --app-brand-soft: #ffedd5;
    --app-accent: #14b8a6;
    --app-accent-soft: #ccfbf1;
    --app-bg: #fffaf0;
    --app-bg-elevated: #fff7ed;
    --app-surface: #fffdf8;
    --app-surface-secondary: #fef3c7;
    --app-text: #4c1d95;
    --app-text-secondary: #6b21a8;
    --app-text-muted: #9a3412;
    --app-border: #fed7aa;
    --app-border-soft: #ffedd5;
    --app-success: #16a34a;
    --app-warning: #f59e0b;
    --app-info-soft: rgba(20, 184, 166, 0.12);
    --app-bg-gradient-start: #fff7ed;
    --app-bg-gradient-mid: #fef3c7;
    --app-bg-gradient-end: #e0f2fe;
    --app-panel-gradient-start: #fff7ed;
    --app-panel-gradient-end: #fefce8;
    --app-auth-bg-start: #fff7ed;
    --app-auth-bg-end: #fde68a;
    --app-sidebar-gradient-start: #7c2d12;
    --app-sidebar-gradient-mid: #9a3412;
    --app-sidebar-gradient-end: #7e22ce;
    --app-sidebar-active-pill: #fde68a;
    --app-sidebar-active-icon: #fde68a;
    --app-brand-overlay-05: rgba(249, 115, 22, 0.06);
    --app-brand-overlay-08: rgba(249, 115, 22, 0.1);
    --app-brand-overlay-14: rgba(249, 115, 22, 0.14);
    --app-brand-overlay-18: rgba(249, 115, 22, 0.18);
    --app-brand-overlay-20: rgba(249, 115, 22, 0.22);
    --app-brand-overlay-25: rgba(249, 115, 22, 0.26);
    --app-brand-overlay-32: rgba(249, 115, 22, 0.32);
    --app-brand-overlay-33: rgba(249, 115, 22, 0.34);
    --app-brand-overlay-34: rgba(249, 115, 22, 0.36);
    --app-brand-overlay-45: rgba(249, 115, 22, 0.46);
    --app-shadow-glow: 0 0 0 3px rgba(249, 115, 22, 0.14), 0 8px 24px rgba(20, 184, 166, 0.18);
    --app-focus-ring: 0 0 0 3px rgba(249, 115, 22, 0.18);
    --app-radius-sm: 16px;
    --app-radius-md: 22px;
    --app-radius-lg: 30px;
    --app-radius-xl: 38px;
    --app-brand-font-family: "Trebuchet MS", "Comic Sans MS", "Inter", sans-serif;
    --bs-primary: #f97316;
    --bs-primary-rgb: 249, 115, 22;
    background:
        radial-gradient(circle at top left, rgba(251, 191, 36, 0.2), transparent 34%),
        radial-gradient(circle at top right, rgba(45, 212, 191, 0.18), transparent 36%),
        linear-gradient(180deg, rgba(255, 247, 237, 0.98), rgba(254, 249, 195, 0.82));
    min-height: 100vh;
}

.app-layout.app-theme--kids .app-card,
.app-layout.app-theme--kids .app-tenant-tile,
.app-layout.app-theme--kids .app-list-tile,
.app-layout.app-theme--kids .app-more-tile {
    box-shadow: 0 14px 36px rgba(249, 115, 22, 0.08);
}

.app-boot-screen.app-theme--kids,
.app-session-screen.app-theme--kids {
    background:
        radial-gradient(circle at 20% 20%, rgba(251, 191, 36, 0.22), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(20, 184, 166, 0.2), transparent 30%),
        linear-gradient(160deg, #7c2d12 0%, #9a3412 42%, #7e22ce 100%);
}


/* ═══════════════════════════════════════════════════════════════
   GLOBAL TYPOGRAPHY & BASE
   ═══════════════════════════════════════════════════════════════ */

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 0.9375rem;
    line-height: 1.6;
    color: var(--app-text);
    background: var(--app-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        radial-gradient(ellipse 80% 60% at 0% 0%, rgba(8, 145, 178, 0.06), transparent),
        radial-gradient(ellipse 60% 40% at 100% 0%, rgba(34, 211, 238, 0.05), transparent),
        radial-gradient(ellipse 80% 60% at 50% 100%, rgba(8, 145, 178, 0.03), transparent);
}

html.app-modal-open,
body.app-modal-open {
    overflow: hidden;
}

body.app-modal-open {
    padding-right: var(--perigma-modal-scrollbar-width, 0);
}


/* ── Boot screen ─────────────────────────────────────────────── */

.app-boot-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: calc(1.5rem + env(safe-area-inset-top)) 1rem calc(1.2rem + env(safe-area-inset-bottom));
    background: linear-gradient(160deg, #0c1222 0%, #0f1d33 50%, #164e63 100%);
    color: var(--app-color-white);
    text-align: center;
}

.app-boot-content {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.app-boot-logo {
    width: min(8rem, 36vw);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(34, 211, 238, 0.2));
}

.app-boot-brand {
    display: inline-flex;
    align-items: flex-start;
    font-size: clamp(1.15rem, 1.05rem + 0.8vw, 1.45rem);
    letter-spacing: 0.01em;
}

.app-boot-progress-shell {
    width: min(22rem, calc(100vw - 2.5rem));
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
}

.app-boot-progress-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    font-size: 0.85rem;
}

.app-boot-status {
    font-weight: 600;
    color: rgba(255, 255, 255, 0.92);
}

.app-boot-progress-value {
    font-weight: 700;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.72);
}

.app-boot-progress-track {
    position: relative;
    width: 100%;
    height: 0.4rem;
    overflow: hidden;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.app-boot-progress-bar {
    position: relative;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(103, 232, 249, 0.8) 0%, rgba(255, 255, 255, 0.95) 100%);
    box-shadow: 0 0 12px rgba(34, 211, 238, 0.4);
    transition: width 260ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-boot-progress-bar::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 0%, rgba(255, 255, 255, 0.3) 40%, transparent 78%);
    transform: translateX(-100%);
    animation: app-boot-progress-sheen 1.8s ease-in-out infinite;
}

.app-boot-stage-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
}

.app-boot-stage {
    padding: 0.3rem 0.68rem;
    border-radius: 9999px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 0.74rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: rgba(255, 255, 255, 0.56);
    transition: all 240ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-boot-stage.is-active {
    background: rgba(103, 232, 249, 0.15);
    border-color: rgba(103, 232, 249, 0.3);
    color: rgba(255, 255, 255, 0.95);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(34, 211, 238, 0.2);
}

.app-boot-stage.is-complete {
    background: rgba(103, 232, 249, 0.12);
    border-color: rgba(103, 232, 249, 0.24);
    color: rgba(255, 255, 255, 0.82);
}

.app-boot-footer {
    margin-top: auto;
    margin-bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    text-align: center;
}

.app-boot-hint {
    margin: 0;
    font-size: 0.78rem;
    line-height: 1.45;
    max-width: 24rem;
    color: rgba(255, 255, 255, 0.56);
}

.app-boot-footer-dev {
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1.35;
    max-width: 28rem;
    color: var(--app-white-overlay-94);
    margin: 0;
}

.app-boot-version {
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.45);
    margin: 0;
}


/* ── Session loading screen ──────────────────────────────────── */

.app-session-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.2rem;
    background: var(--app-color-white);
}

.app-session-sk {
    width: min(2.5rem, 10vw);
    height: min(2.5rem, 10vw);
    border-radius: 50%;
    border: 2.5px solid var(--app-border);
    border-top-color: var(--app-brand);
    animation: app-session-spin 0.7s linear infinite;
}

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

@keyframes app-boot-progress-sheen {
    to { transform: translateX(100%); }
}

.app-session-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--app-text-muted);
    margin: 0;
    letter-spacing: 0.01em;
}


/* ── Headings ────────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    letter-spacing: -0.025em;
    color: var(--app-text);
    line-height: 1.25;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

::selection {
    background: var(--app-brand-soft);
    color: var(--app-text);
}

:focus-visible {
    outline: none;
    box-shadow: var(--app-focus-ring);
}

h1:focus,
h2:focus,
h3:focus {
    outline: none;
}


/* ═══════════════════════════════════════════════════════════════
   LAYOUT SHELL
   ═══════════════════════════════════════════════════════════════ */

.app-shell {
    min-height: 100vh;
    display: flex;
    align-items: stretch;
}

.app-main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.app-content {
    flex: 1;
    width: 100%;
    padding: 2rem 2.25rem 2.5rem;
    box-sizing: border-box;
}

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


/* ═══════════════════════════════════════════════════════════════
   SIDEBAR NAVIGATION
   ═══════════════════════════════════════════════════════════════ */

.app-sidebar {
    width: var(--app-sidebar-w);
    background: linear-gradient(180deg, var(--app-sidebar-gradient-start) 0%, var(--app-sidebar-gradient-mid) 50%, var(--app-sidebar-gradient-end) 100%);
    color: var(--app-sidebar-text);
    border-right: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    flex-shrink: 0;
}

.app-sidebar-header {
    padding: 1.25rem 1.15rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.app-sidebar-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 5%, rgba(103, 232, 249, 0.3) 30%, rgba(34, 211, 238, 0.5) 50%, rgba(103, 232, 249, 0.3) 70%, transparent 95%);
    pointer-events: none;
}

.app-sidebar .brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--app-color-white);
    font-weight: 700;
    letter-spacing: 0.01em;
    min-height: 44px;
}

.app-brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--app-accent-contrast);
}

.app-brand-logo {
    width: 2.5rem;
    height: 2.5rem;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 4px 12px rgba(34, 211, 238, 0.3));
}

.app-brand-text {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.app-brand-name {
    display: inline-flex;
    align-items: flex-start;
    line-height: 1.1;
    font-size: 1rem;
    white-space: nowrap;
}

.app-brand-lockup {
    display: inline-flex;
    align-items: flex-start;
    white-space: nowrap;
}

.app-brand-word {
    font-family: var(--app-brand-font-family);
    font-style: italic;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.app-brand-tm {
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: 0.4em;
    line-height: 1;
    vertical-align: super;
    margin-left: 0.08rem;
    letter-spacing: 0;
}

.app-brand-subtitle {
    color: var(--app-sidebar-text-muted);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.1;
    margin-top: 0.3rem;
    font-weight: 500;
}

.app-sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.85rem 0.6rem 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--app-sidebar-scrollbar) transparent;
}

.app-sidebar-scroll::-webkit-scrollbar {
    width: 3px;
}

.app-sidebar-scroll::-webkit-scrollbar-track {
    background: transparent;
}

.app-sidebar-scroll::-webkit-scrollbar-thumb {
    background: var(--app-sidebar-scrollbar);
    border-radius: var(--app-radius-pill);
}

.app-sidebar .nav-section {
    margin: 0 0 1.35rem;
    padding: 0;
}

.app-sidebar .nav-section-title {
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--app-sidebar-text-faint);
    margin-bottom: 0.5rem;
    padding: 0.04rem 0.5rem 0.04rem 0.9rem;
    position: relative;
}

.app-sidebar .nav-section-title::before {
    content: "";
    position: absolute;
    left: 0.42rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0.6rem;
    background: rgba(103, 232, 249, 0.3);
    border-radius: var(--app-radius-pill);
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.5rem 0.68rem;
    border-radius: 0.65rem;
    color: var(--app-sidebar-link-text);
    font-weight: 500;
    font-size: 0.85rem;
    min-height: 40px;
    position: relative;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-sidebar .nav-link i {
    width: 1.15rem;
    text-align: center;
    opacity: 0.65;
    font-size: 0.98rem;
    transition: opacity 180ms ease, color 180ms ease;
}

.app-sidebar .nav-link:hover {
    color: var(--app-color-white);
    background: rgba(255, 255, 255, 0.06);
    padding-left: 0.82rem;
}

.app-sidebar .nav-link:hover i {
    opacity: 0.9;
}

.app-sidebar .nav-link.active {
    color: var(--app-color-white);
    background: linear-gradient(90deg, var(--app-brand-overlay-45), var(--app-brand-overlay-20));
    box-shadow: inset 0 0 0 1px var(--app-brand-border-soft-35), 0 2px 12px rgba(10, 167, 217, 0.22);
}

.app-sidebar .nav-link.active::before {
    content: "";
    position: absolute;
    left: 3px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 1rem;
    border-radius: var(--app-radius-pill);
    background: var(--app-sidebar-active-pill);
    box-shadow: 0 0 8px rgba(103, 232, 249, 0.4);
}

.app-sidebar .nav-link.active i {
    opacity: 1;
    color: var(--app-sidebar-active-icon);
}


/* ═══════════════════════════════════════════════════════════════
   TOP BAR
   ═══════════════════════════════════════════════════════════════ */

.app-topbar {
    min-height: var(--app-topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 1rem;
    padding: 0 1.75rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px) saturate(1.8);
    -webkit-backdrop-filter: blur(20px) saturate(1.8);
}

.app-topbar-main {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: nowrap;
    min-width: 0;
    flex: 1;
}

.app-topbar-tenant {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.app-topbar .tenant-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--app-radius-pill);
    background: var(--app-accent-soft);
    color: var(--app-accent-contrast);
    border: 1px solid rgba(34, 211, 238, 0.15);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.app-topbar .search {
    flex: 1;
    min-width: 270px;
    max-width: 540px;
}

.app-topbar .search .input-group-text {
    border-right: 0;
    background: var(--app-surface);
    color: var(--app-text-muted);
}

.app-topbar .search .form-control {
    border-left: 0;
}

.app-topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.app-topbar-brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
    transition: opacity 180ms ease;
}

.app-topbar-brand:hover {
    opacity: 0.8;
}

.app-topbar-logo {
    width: 1.85rem;
    height: 1.85rem;
    object-fit: contain;
    display: block;
}

.app-topbar-context {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
}

.app-topbar-context-name {
    display: block;
    width: 100%;
    max-width: min(72vw, calc(100vw - 8.2rem));
    text-align: center;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--app-text);
    letter-spacing: -0.01em;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.app-topbar-context-name--md { font-size: 0.88rem; }
.app-topbar-context-name--sm { font-size: 0.82rem; }
.app-topbar-context-name--xs { font-size: 0.76rem; }
.app-topbar-context-name--xxs { font-size: 0.7rem; }

.app-topbar-icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.15rem;
    height: 2.15rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
    color: var(--app-text-secondary);
    font-size: 1rem;
    cursor: pointer;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.app-topbar-icon-btn:hover,
.app-topbar-icon-btn:focus-visible {
    background: var(--app-brand-soft);
    border-color: var(--app-brand);
    color: var(--app-brand);
    outline: none;
    transform: translateY(-1px);
}


/* ═══════════════════════════════════════════════════════════════
   BOTTOM NAVIGATION
   ═══════════════════════════════════════════════════════════════ */

.app-bottom-nav {
    position: fixed;
    left: 0.75rem;
    right: 0.75rem;
    bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 0.15rem;
    padding: 0.35rem 0.3rem;
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.7);
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(28px) saturate(1.8);
    -webkit-backdrop-filter: blur(28px) saturate(1.8);
    box-shadow:
        0 -1px 0 rgba(226, 232, 240, 0.3),
        0 8px 32px rgba(15, 23, 42, 0.1),
        0 2px 8px rgba(15, 23, 42, 0.06);
    z-index: 1200;
}

.app-bottom-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 15%;
    right: 15%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.9) 25%,
        rgba(103, 232, 249, 0.4) 50%,
        rgba(255, 255, 255, 0.9) 75%,
        transparent);
    border-radius: var(--app-radius-pill);
    pointer-events: none;
}

.app-bottom-link {
    flex: 1;
    min-width: 0;
    border-radius: 1.1rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0.32rem 0.2rem 0.28rem;
    color: var(--app-text-muted);
    text-decoration: none;
    transition: color 200ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.app-bn-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.3rem;
    height: 1.9rem;
    border-radius: 0.7rem;
    transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
    margin-bottom: 0.14rem;
}

.app-bn-label {
    font-size: 0.6rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1;
    transition: color 200ms ease;
}

.app-bottom-link i {
    font-size: 1.1rem;
    transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.app-bottom-link:active .app-bn-pill {
    transform: scale(0.88);
}

.app-bottom-link.active {
    color: var(--app-brand);
}

.app-bottom-link.active .app-bn-pill {
    background: rgba(8, 145, 178, 0.1);
}

.app-bottom-link.active i {
    transform: translateY(-1px);
    color: var(--app-brand);
}

.app-bottom-link.active .app-bn-label {
    color: var(--app-brand);
}

.app-bottom-nav a i {
    font-size: 1.1rem;
}

.app-bottom-nav a.active {
    color: var(--app-brand);
}


/* ═══════════════════════════════════════════════════════════════
   PAGE HEADER
   ═══════════════════════════════════════════════════════════════ */

.app-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.app-page-header-copy {
    min-width: 0;
}

.app-page-title,
.app-page-header h1,
.app-page-header h2 {
    margin-bottom: 0;
    font-size: clamp(1.5rem, 1.1rem + 1vw, 2.1rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--app-text);
    letter-spacing: -0.03em;
}

.app-page-header .subtitle {
    margin-top: 0.35rem;
    color: var(--app-text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
    font-weight: 400;
}

.app-page-header-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
}


/* ═══════════════════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════════════════ */

.app-card,
.card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-md);
    background: var(--app-surface);
    box-shadow: var(--app-shadow-xs);
    transition: box-shadow 200ms cubic-bezier(0.4, 0, 0.2, 1), border-color 200ms ease;
}

.card-header,
.card-footer {
    border-color: var(--app-border-soft);
    background: var(--app-surface-secondary);
}


/* ── KPI cards ───────────────────────────────────────────────── */

.app-kpi-card {
    padding: 1.25rem 1.35rem;
}

.app-kpi-card.app-kpi-link {
    position: relative;
    overflow: hidden;
    transition: all 240ms cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
}

.app-kpi-card.app-kpi-link::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--app-brand), var(--app-accent));
    opacity: 0;
    transition: opacity 200ms ease;
}

.app-kpi-card.app-kpi-link::after {
    content: "";
    position: absolute;
    inset: auto -20% -55% auto;
    width: 9rem;
    height: 9rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(8, 145, 178, 0.04) 0%, transparent 70%);
    pointer-events: none;
}

.app-kpi-card.app-kpi-link:hover {
    transform: translateY(-4px);
    border-color: rgba(8, 145, 178, 0.2);
    box-shadow: var(--app-shadow-md), 0 0 0 1px rgba(8, 145, 178, 0.06);
}

.app-kpi-card.app-kpi-link:hover::before {
    opacity: 1;
}

.app-kpi-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.68rem;
    font-weight: 700;
    color: var(--app-text-muted);
    margin-bottom: 0.35rem;
}

.app-kpi-value {
    font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    font-size: clamp(1.5rem, 1.2rem + 0.8vw, 2rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    color: var(--app-text);
}

.app-kpi-meta {
    color: var(--app-text-muted);
    font-size: 0.78rem;
    line-height: 1.25;
    font-weight: 500;
}


/* ── Badges ──────────────────────────────────────────────────── */

.app-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.28rem 0.72rem;
    border-radius: var(--app-radius-pill);
    font-size: 0.7rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
    color: var(--app-brand);
    background: var(--app-info-soft);
}

.app-badge.success {
    color: var(--app-success);
    background: var(--app-success-soft);
}

.app-badge.warning {
    color: var(--app-warning);
    background: var(--app-warning-soft);
}

.app-badge.danger {
    color: var(--app-danger);
    background: var(--app-danger-soft);
}

.app-badge.info {
    color: var(--app-brand);
    background: var(--app-info-soft);
}

.app-platform-role-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.28rem 0.72rem;
    border-radius: var(--app-radius-pill);
    border: 1px solid rgba(18, 39, 99, 0.12);
    background: #f6f8fc;
    color: var(--app-brand-strong);
    font-size: 0.75rem;
    line-height: 1;
    font-weight: 700;
    white-space: nowrap;
}


/* ── List tiles ──────────────────────────────────────────────── */

.app-list-tile {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    padding: 0.85rem 1rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    color: var(--app-text);
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-list-tile + .app-list-tile {
    margin-top: 0.5rem;
}

.app-list-tile:hover {
    border-color: rgba(8, 145, 178, 0.2);
    box-shadow: var(--app-shadow-sm);
    transform: translateX(3px);
    background: var(--app-bg-elevated);
}

.app-list-tile:focus-visible {
    box-shadow: var(--app-focus-ring);
}

.app-list-tile > div i {
    opacity: 0.65;
    transition: opacity 150ms ease, color 150ms ease;
}

.app-list-tile:hover > div i {
    opacity: 1;
    color: var(--app-brand);
}


/* ═══════════════════════════════════════════════════════════════
   MORE PAGE
   ═══════════════════════════════════════════════════════════════ */

.app-more-header {
    border-radius: var(--app-radius-md);
    background: linear-gradient(135deg, var(--app-sidebar-gradient-start) 0%, var(--app-sidebar-gradient-end) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: var(--app-shadow-md);
    padding: 1.15rem 1.15rem 1.05rem;
    overflow: hidden;
    position: relative;
}

.app-more-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 95% 5%, rgba(103, 232, 249, 0.15), transparent 48%),
        radial-gradient(circle at 5% 90%, rgba(8, 145, 178, 0.12), transparent 50%);
    pointer-events: none;
}

.app-more-header-brand {
    position: relative;
}

.app-more-brand-link {
    display: inline-flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    color: var(--app-color-white);
}

.app-more-header-subtitle {
    color: var(--app-sidebar-text-muted);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.2;
    margin-top: 0.28rem;
    font-weight: 500;
}

.app-more-header-tenant {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.55rem;
    margin-top: 0.72rem;
    padding-top: 0.7rem;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--app-sidebar-text-muted);
    font-size: 0.78rem;
    font-weight: 600;
    position: relative;
}

.app-more-header-tenant-info {
    display: flex;
    align-items: center;
    gap: 0.38rem;
    min-width: 0;
    overflow: hidden;
}

.app-more-header-tenant-info span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.app-more-header-tenant i {
    font-size: 0.75rem;
    color: var(--app-accent);
    flex-shrink: 0;
}

.app-more-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.55rem;
}

@media (max-width: 575.98px) {
    .app-more-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.app-more-tile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.45rem;
    padding: 0.9rem 0.4rem 0.8rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    color: var(--app-text);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
    -webkit-tap-highlight-color: transparent;
    animation: app-fade-in 300ms ease both;
}

.app-more-tile:hover {
    background: var(--app-accent-soft);
    border-color: rgba(8, 145, 178, 0.15);
    box-shadow: var(--app-shadow-sm);
    transform: translateY(-3px);
}

.app-more-tile:active {
    transform: scale(0.95);
}

.app-more-tile.active {
    background: var(--app-accent-soft);
    border-color: var(--app-brand);
    color: var(--app-brand);
    box-shadow: 0 0 0 1px rgba(8, 145, 178, 0.12);
}

.app-more-tile-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.6rem;
    height: 2.6rem;
    border-radius: var(--app-radius-sm);
    background: var(--app-accent-soft);
    border: 1px solid rgba(8, 145, 178, 0.08);
    color: var(--app-brand);
    font-size: 1.12rem;
    transition: all 200ms ease;
    flex-shrink: 0;
}

.app-more-tile:hover .app-more-tile-icon,
.app-more-tile.active .app-more-tile-icon {
    background: rgba(8, 145, 178, 0.12);
    color: var(--app-brand);
    transform: scale(1.05);
}

.app-more-tile-label {
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--app-text-secondary);
    letter-spacing: 0.01em;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.app-more-tile:hover .app-more-tile-label,
.app-more-tile.active .app-more-tile-label {
    color: var(--app-brand);
}

.app-more-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--app-text);
}

.app-more-brand-subtitle {
    color: var(--app-text-muted);
    font-size: 0.73rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.1;
    margin-top: 0.3rem;
}


/* ── Version tile ────────────────────────────────────────────── */

.app-version-tile {
    border: 1px solid var(--app-border-soft);
    border-radius: var(--app-radius-sm);
    background: var(--app-surface);
    padding: 0.65rem 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.18rem;
}

.app-version-tile small {
    color: var(--app-text-muted);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-version-tile strong {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}


/* ── Update gate ─────────────────────────────────────────────── */

.app-update-gate {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background:
        radial-gradient(circle at 0% 0%, rgba(8, 145, 178, 0.1), transparent 40%),
        radial-gradient(circle at 100% 0%, rgba(34, 211, 238, 0.08), transparent 38%),
        linear-gradient(180deg, var(--app-auth-bg-start) 0%, var(--app-auth-bg-end) 100%);
}

.app-update-card {
    width: min(560px, 100%);
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-lg);
    background: var(--app-surface);
    box-shadow: var(--app-shadow-lg);
    padding: 1.75rem;
    text-align: center;
}

.app-update-icon {
    width: 3.2rem;
    height: 3.2rem;
    margin: 0 auto 1rem;
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--app-brand);
    background: var(--app-accent-soft);
    font-size: 1.4rem;
}

.app-update-meta {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
    text-align: left;
}

.app-update-meta > div {
    border: 1px solid var(--app-border-soft);
    border-radius: var(--app-radius-sm);
    background: var(--app-surface-secondary);
    padding: 0.6rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.app-update-meta small {
    color: var(--app-text-muted);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-update-meta strong {
    font-size: 0.96rem;
}


/* ═══════════════════════════════════════════════════════════════
   TOOLBAR & FILTERS
   ═══════════════════════════════════════════════════════════════ */

.app-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.app-toolbar .form-control,
.app-toolbar .form-select {
    max-width: 320px;
}

.app-filter-row {
    margin-right: 0;
    margin-left: 0;
}


/* ═══════════════════════════════════════════════════════════════
   STATE PANELS (EMPTY, ERROR, LOADING)
   ═══════════════════════════════════════════════════════════════ */

.app-state-panel {
    border: 1px dashed var(--app-border);
    border-radius: var(--app-radius-lg);
    background: linear-gradient(180deg, var(--app-surface) 0%, var(--app-panel-gradient-end) 100%);
    padding: clamp(1.5rem, 1.2rem + 1vw, 2.25rem);
    text-align: center;
}

.app-state-icon-wrap {
    width: 3.5rem;
    height: 3.5rem;
    margin: 0 auto 1rem;
    border-radius: 1.15rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--app-accent-soft);
    border: 1px solid rgba(8, 145, 178, 0.08);
    color: var(--app-brand);
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.08);
}

.app-state-icon-wrap.is-danger {
    background: var(--app-danger-soft);
    color: var(--app-danger);
    border-color: rgba(220, 38, 38, 0.08);
    box-shadow: 0 4px 16px rgba(220, 38, 38, 0.06);
}

.app-state-panel .state-icon {
    font-size: 1.3rem;
    line-height: 1;
}

.app-loading-stack {
    display: grid;
    gap: 0.6rem;
    max-width: 28rem;
    margin: 0 auto;
}


/* ═══════════════════════════════════════════════════════════════
   FORM SECTIONS & DETAIL ROWS
   ═══════════════════════════════════════════════════════════════ */

.app-form-section {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--app-text-muted);
    font-weight: 700;
    margin-bottom: 0.55rem;
    padding-bottom: 0.42rem;
    border-bottom: 1px solid var(--app-border-soft);
}

.app-detail-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.38rem 0;
    font-size: 0.9rem;
}

.app-detail-label {
    min-width: 110px;
    color: var(--app-text-muted);
    font-weight: 600;
    flex-shrink: 0;
    font-size: 0.85rem;
}


/* ═══════════════════════════════════════════════════════════════
   AVATARS
   ═══════════════════════════════════════════════════════════════ */

.app-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--app-color-white);
    background: linear-gradient(145deg, var(--app-brand), var(--app-brand-strong));
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 12px rgba(8, 145, 178, 0.2);
    flex-shrink: 0;
    transition: box-shadow 200ms ease;
}

.app-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-avatar-logo {
    width: 78%;
    height: 78%;
    object-fit: contain;
}

.app-avatar.avatar-md {
    width: 44px;
    height: 44px;
    font-size: 0.88rem;
}

.app-avatar.avatar-lg {
    width: 72px;
    height: 72px;
    font-size: 1.1rem;
}

.btn:hover .app-avatar,
.btn:focus-visible .app-avatar {
    box-shadow: 0 0 0 2.5px var(--app-brand), 0 4px 12px rgba(8, 145, 178, 0.22);
}


/* ── Nav indicator ───────────────────────────────────────────── */

.app-nav-indicator {
    margin-left: auto;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--app-accent);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
    animation: app-indicator-pulse 2.5s ease-in-out infinite;
}


/* ── Trend bars ──────────────────────────────────────────────── */

.app-trend-bars {
    min-height: 56px;
}

.app-trend-bar {
    width: 10px;
    border-radius: 7px;
    background: rgba(8, 145, 178, 0.25);
}

.app-trend-bar.accent {
    background: rgba(34, 211, 238, 0.4);
}


/* ═══════════════════════════════════════════════════════════════
   SKELETONS & ANIMATIONS
   ═══════════════════════════════════════════════════════════════ */

.app-skeleton {
    height: 0.75rem;
    border-radius: 9999px;
    background: var(--app-progress-track);
    position: relative;
    overflow: hidden;
}

.app-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.8), transparent);
    animation: app-shimmer 1.5s ease-in-out infinite;
}

@keyframes app-shimmer {
    100% {
        transform: translateX(100%);
    }
}

.app-fade-in {
    animation: app-fade-in 320ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

@keyframes app-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes app-indicator-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(103, 232, 249, 0); }
    50%       { box-shadow: 0 0 0 5px rgba(103, 232, 249, 0.12); }
}


/* ═══════════════════════════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════════════════════════ */

.form-control,
.form-select,
.input-group-text {
    border-color: var(--app-border);
    border-radius: var(--app-radius-sm);
    font-size: 0.875rem;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control,
.form-select {
    padding: 0.55rem 0.85rem;
    background-color: var(--app-color-white);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--app-brand);
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1), inset 0 1px 2px rgba(8, 145, 178, 0.04);
    background-color: var(--app-color-white);
}

.form-control::placeholder {
    color: var(--app-placeholder-text);
}

.form-label {
    color: var(--app-text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.38rem;
    letter-spacing: 0.01em;
}

.form-check-input {
    border-color: var(--app-input-border-strong);
}

.form-check-input:checked {
    background-color: var(--app-brand);
    border-color: var(--app-brand);
}

input[type="file"],
.form-control[type="file"] {
    background: var(--app-surface-secondary);
}

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

.invalid {
    outline: 1px solid var(--app-danger);
}

.validation-message {
    color: var(--app-danger);
    margin-top: 0.2rem;
    font-size: 0.79rem;
}


/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */

.btn {
    border-radius: var(--app-radius-sm);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    padding: 0.55rem 1.1rem;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.btn.btn-sm {
    padding: 0.42rem 0.85rem;
    font-size: 0.8rem;
    border-radius: var(--app-radius-sm);
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:focus-visible {
    box-shadow: var(--app-focus-ring);
}

.btn:active {
    transform: translateY(0) scale(0.97) !important;
}

.btn-primary {
    border-color: var(--app-brand);
    background: linear-gradient(135deg, var(--app-brand), var(--app-brand-hover));
    box-shadow: 0 1px 3px rgba(8, 145, 178, 0.24), 0 4px 12px rgba(8, 145, 178, 0.16);
    color: var(--app-color-white);
}

.btn-primary:hover,
.btn-primary:active,
.btn-primary:focus {
    border-color: var(--app-brand-hover);
    background: linear-gradient(135deg, var(--app-brand-hover), var(--app-brand-strong));
    box-shadow: 0 2px 6px rgba(8, 145, 178, 0.3), 0 8px 24px rgba(8, 145, 178, 0.2);
    color: var(--app-color-white);
}

.btn-outline-secondary {
    color: var(--app-text-secondary);
    border-color: var(--app-border);
    background: var(--app-color-white);
}

.btn-outline-primary {
    color: var(--app-brand);
    border-color: rgba(8, 145, 178, 0.25);
    background: var(--app-color-white);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    color: var(--app-color-white);
    border-color: var(--app-brand);
    background: linear-gradient(135deg, var(--app-brand), var(--app-brand-hover));
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.22);
}

.btn-outline-primary:hover .app-package-option-price,
.btn-outline-primary:focus .app-package-option-price {
    color: rgba(255, 255, 255, 0.84);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    color: var(--app-text);
    border-color: var(--app-input-border-focus);
    background: var(--app-surface-secondary);
}

.btn-outline-danger {
    border-color: rgba(220, 38, 38, 0.25);
    color: var(--app-danger);
}


/* ═══════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════ */

.modal {
    --app-modal-mobile-bottom-clearance: calc(var(--app-bottom-nav-h) + env(safe-area-inset-bottom, 0px) + 2rem);
    position: fixed;
    inset: 0;
    z-index: 1350;
    min-height: 100dvh;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 1rem;
    isolation: isolate;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.modal-dialog {
    margin: 0 auto;
    position: relative;
    z-index: 1;
    width: min(100%, calc(100vw - 2rem));
    max-width: 100%;
}

.modal-dialog.modal-dialog-centered {
    min-height: calc(100dvh - 2rem);
}

.modal-dialog.modal-dialog-scrollable {
    height: calc(100dvh - 2rem);
    max-height: calc(100dvh - 2rem);
}

.modal-backdrop {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    background:
        linear-gradient(180deg, rgba(15, 23, 42, 0.34), rgba(15, 23, 42, 0.46)),
        radial-gradient(circle at 15% 12%, rgba(34, 211, 238, 0.12), transparent 42%) !important;
    backdrop-filter: blur(12px) saturate(1.05);
    -webkit-backdrop-filter: blur(12px) saturate(1.05);
    opacity: 1 !important;
    pointer-events: none;
    z-index: 1340;
}

.modal-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-height: calc(100dvh - 2rem);
    border-radius: var(--app-radius-lg);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-lg);
    background: var(--app-surface);
}

.modal-header,
.modal-footer {
    border-color: var(--app-border-soft);
}

.modal-header {
    padding: 1.1rem 1.35rem;
}

.modal-body {
    flex: 1 1 auto;
    min-height: 0;
    padding: 1.35rem;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.modal-footer {
    padding: 0.95rem 1.35rem;
}

@media (min-width: 768px) {
    .modal {
        padding: 1.5rem;
    }

    .modal-dialog.modal-dialog-centered {
        min-height: calc(100dvh - 3rem);
    }

    .modal-dialog.modal-dialog-scrollable {
        height: calc(100dvh - 3rem);
        max-height: calc(100dvh - 3rem);
    }

    .modal-content {
        max-height: calc(100dvh - 3rem);
    }
}


/* ═══════════════════════════════════════════════════════════════
   TOASTS
   ═══════════════════════════════════════════════════════════════ */

.toast-container {
    z-index: 1400;
}

.app-toast {
    border-radius: var(--app-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--app-shadow-lg);
    min-width: 280px;
    backdrop-filter: blur(8px);
}

.app-toast-icon {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.6rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.15);
}


/* ═══════════════════════════════════════════════════════════════
   ALERTS
   ═══════════════════════════════════════════════════════════════ */

.alert {
    border-radius: var(--app-radius-sm);
    font-size: 0.875rem;
    border-width: 1px;
}

.alert-warning {
    border-color: rgba(217, 119, 6, 0.2);
    background: var(--app-warning-soft-bg);
}

.alert-danger {
    border-color: rgba(220, 38, 38, 0.2);
}


/* ═══════════════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════════════ */

.table {
    --bs-table-hover-bg: var(--app-brand-overlay-05);
    --bs-table-border-color: var(--app-border-soft);
    font-size: 0.875rem;
    margin-bottom: 0;
}

.table > thead > tr > th {
    border-bottom: 1px solid var(--app-border);
    color: var(--app-text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.75rem 0.85rem;
    white-space: nowrap;
    background: var(--app-surface-secondary);
    vertical-align: middle;
}

.table > tbody > tr {
    transition: background-color 120ms ease;
}

.table > tbody > tr > td {
    padding: 0.75rem 0.85rem;
    border-color: var(--app-border-soft);
    vertical-align: middle;
}

.table > tbody > tr:hover > td {
    background-color: var(--app-brand-overlay-05);
}

.table-hover > tbody > tr:hover {
    background: var(--app-brand-overlay-05);
}

.table-responsive {
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    box-shadow: var(--app-shadow-xs);
}


/* ═══════════════════════════════════════════════════════════════
   PAGINATION
   ═══════════════════════════════════════════════════════════════ */

.app-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--app-border-soft);
}

.app-pagination .btn-group {
    flex-shrink: 0;
}


/* ═══════════════════════════════════════════════════════════════
   STUDENT SWITCH
   ═══════════════════════════════════════════════════════════════ */

.app-student-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.2rem 0.3rem 0.2rem 0.55rem;
    border-radius: var(--app-radius-pill);
    border: 1px solid var(--app-border);
    background: var(--app-surface);
}

.app-student-switch-label {
    color: var(--app-text-muted);
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.app-student-switch .form-select {
    border: 0;
    box-shadow: none;
    min-width: 180px;
    background-color: transparent;
    padding-top: 0.22rem;
    padding-bottom: 0.22rem;
    font-weight: 600;
}


/* ═══════════════════════════════════════════════════════════════
   AUTHENTICATION LAYOUT
   ═══════════════════════════════════════════════════════════════ */

.app-auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    background: var(--app-bg);
    position: relative;
}

.app-auth-shell::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 60% 50% at 0% 0%, rgba(8, 145, 178, 0.08), transparent),
        radial-gradient(ellipse 50% 40% at 100% 100%, rgba(34, 211, 238, 0.06), transparent);
    pointer-events: none;
    z-index: 0;
}

.app-auth-frame {
    width: min(1060px, 100%);
    display: grid;
    grid-template-columns: minmax(250px, 0.92fr) minmax(0, 1.08fr);
    border-radius: var(--app-radius-xl);
    border: 1px solid var(--app-border);
    background: var(--app-color-white);
    overflow: hidden;
    box-shadow: var(--app-shadow-lg);
    position: relative;
    z-index: 1;
}

.app-auth-aside {
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
    background: linear-gradient(165deg, var(--app-auth-panel-gradient-start) 0%, var(--app-auth-panel-gradient-mid) 50%, var(--app-auth-panel-gradient-end) 100%);
    color: var(--app-auth-panel-text);
    position: relative;
    overflow: hidden;
}

.app-auth-aside::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 90% 10%, rgba(103, 232, 249, 0.12), transparent 50%),
        radial-gradient(circle at 10% 80%, rgba(8, 145, 178, 0.08), transparent 50%);
    pointer-events: none;
}

.app-auth-brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--app-color-white);
    position: relative;
}

.app-auth-mark {
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.78rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--app-accent-contrast);
    font-weight: 800;
}

.app-auth-mark-logo {
    width: 3rem;
    height: 3rem;
    object-fit: contain;
    display: block;
    margin-bottom: 0.2rem;
    filter: drop-shadow(0 4px 12px rgba(34, 211, 238, 0.3));
}

.app-auth-meta {
    color: var(--app-auth-text-muted);
    max-width: 19rem;
    font-size: 0.9rem;
    position: relative;
    line-height: 1.55;
}

.app-auth-highlights {
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding: 0;
    list-style: none;
    position: relative;
}

.app-auth-highlight {
    padding: 0.65rem 0.8rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.05);
    font-size: 0.82rem;
    color: var(--app-auth-text-strong);
    transition: background 200ms ease;
    line-height: 1.45;
}

.app-auth-highlight:hover {
    background: rgba(255, 255, 255, 0.08);
}

.app-auth-card {
    padding: clamp(1.5rem, 1.1rem + 1vw, 2.25rem);
    overflow-y: auto;
}

.app-auth-intro {
    margin-bottom: 1.25rem;
}

.app-auth-badge {
    border-radius: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--app-accent-contrast);
    font-weight: 800;
}

.app-auth-badge-logo {
    width: 4.5rem;
    height: 4.5rem;
    object-fit: cover;
    display: block;
    margin-bottom: -1.5rem;
    margin-top: 1.5rem;
}

.app-auth-support {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-sm);
    background: var(--app-surface-secondary);
    padding: 1.1rem;
}


/* ═══════════════════════════════════════════════════════════════
   ERROR UI
   ═══════════════════════════════════════════════════════════════ */

#blazor-error-ui {
    color-scheme: light only;
    background: var(--app-warning-banner-bg);
    color: var(--app-warning-banner-text);
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.15);
    box-sizing: border-box;
    display: none;
    left: 0;
    bottom: 0;
    width: 100%;
    position: fixed;
    z-index: 1300;
    padding: 0.72rem 1.2rem;
    font-size: 0.875rem;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    top: 0.45rem;
    right: 0.8rem;
}

.blazor-error-boundary {
    background: var(--app-error-boundary-bg);
    color: var(--app-color-white);
    border-radius: var(--app-radius-sm);
    padding: 0.95rem 1rem 0.95rem 3.2rem;
    position: relative;
}

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


/* ── Status bar safe area ────────────────────────────────────── */

.status-bar-safe-area {
    display: none;
}

@supports (-webkit-touch-callout: none) {
    .status-bar-safe-area {
        display: flex;
        position: sticky;
        top: 0;
        z-index: 3;
        height: env(safe-area-inset-top);
        background: transparent;
        width: 100%;
    }
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — xl
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 1199.98px) {
    .app-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .app-topbar .search {
        max-width: 440px;
    }
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — lg (tablet)
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 991.98px) {
    .app-sidebar {
        display: none;
    }

    .app-content {
        padding: 1.15rem 1rem calc(var(--app-bottom-nav-h) + 1.5rem + env(safe-area-inset-bottom, 0px));
    }

    .app-topbar {
        min-height: 52px;
        padding: 0 0.85rem;
        flex-wrap: nowrap;
        gap: 0.55rem;
    }

    .app-topbar::after {
        content: "";
        position: absolute;
        bottom: 0;
        left: 0;
        right: 0;
        height: 1px;
        background: linear-gradient(90deg,
            transparent 5%,
            var(--app-border-soft) 25%,
            rgba(8, 145, 178, 0.08) 50%,
            var(--app-border-soft) 75%,
            transparent 95%);
        pointer-events: none;
    }

    .app-topbar {
        position: relative;
    }

    .app-topbar-main {
        flex: 1;
        min-width: 0;
        gap: 0.45rem;
        overflow: hidden;
        justify-content: center;
    }

    .app-topbar .search {
        min-width: 0;
        max-width: none;
        width: 100%;
        flex-basis: 100%;
    }

    .app-page-header {
        align-items: flex-start;
    }

    .app-page-header-actions {
        width: 100%;
    }

    .app-card,
    .card {
        border-radius: var(--app-radius-sm);
    }

    .app-auth-shell {
        padding: 1rem 0.8rem;
    }

    .app-auth-frame {
        grid-template-columns: 1fr;
    }

    .app-auth-card {
        max-height: calc(100vh - 2rem);
    }
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — md (mobile)
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 767.98px) {
    .app-content {
        padding: 1rem 0.75rem calc(var(--app-bottom-nav-h) + 1.25rem + env(safe-area-inset-bottom, 0px));
    }

    .app-topbar {
        padding: 0 0.75rem;
        gap: 0.45rem;
    }

    .app-page-header {
        margin-bottom: 1rem;
    }

    .app-page-header .subtitle {
        max-width: 95%;
    }

    .app-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .app-toolbar .form-control,
    .app-toolbar .form-select {
        max-width: none;
    }

    .app-list-tile {
        align-items: flex-start;
        flex-direction: column;
    }

    .app-list-tile > div {
        width: 100%;
    }

    .app-detail-row {
        flex-direction: column;
        gap: 0.12rem;
    }

    .app-detail-label {
        min-width: 0;
    }

    .table-responsive {
        margin: 0 -0.4rem;
        padding: 0 0.4rem;
    }

    .app-pagination {
        flex-direction: column;
        align-items: stretch;
    }

    .app-pagination .btn-group {
        width: 100%;
    }

    .app-pagination .btn {
        flex: 1;
    }

    .app-bottom-nav {
        left: 0.5rem;
        right: 0.5rem;
        bottom: calc(0.5rem + env(safe-area-inset-bottom, 0px));
        border-radius: 1.25rem;
    }
}


/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE — sm (small mobile)
   ═══════════════════════════════════════════════════════════════ */

@media (max-width: 575.98px) {
    .app-topbar {
        padding: 0 0.65rem;
    }

    .app-topbar .tenant-pill {
        max-width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .app-topbar-actions {
        gap: 0.3rem;
    }

    .app-topbar-context-name {
        max-width: min(74vw, calc(100vw - 7.3rem));
    }

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

    .app-auth-card {
        padding: 1.1rem;
    }

    .app-state-panel {
        padding: 1.15rem;
    }

    .app-update-meta {
        grid-template-columns: 1fr;
    }

    .app-student-switch {
        width: 100%;
        justify-content: space-between;
    }

    .app-student-switch .form-select {
        min-width: 0;
        width: auto;
        flex: 1;
    }
}


/* ═══════════════════════════════════════════════════════════════
   DESKTOP REFINEMENTS
   ═══════════════════════════════════════════════════════════════ */

@media (min-width: 992px) {
    .app-topbar .tenant-pill {
        font-size: 0.82rem;
        letter-spacing: 0.015em;
    }

    .app-page-title,
    .app-page-header h1 {
        letter-spacing: -0.035em;
    }
}


/* ═══════════════════════════════════════════════════════════════
   CHART COMPONENT
   ═══════════════════════════════════════════════════════════════ */

.app-chart-wrap {
    position: relative;
    min-height: 200px;
    width: 100%;
}

.app-chart-wrap canvas {
    width: 100% !important;
    display: block;
}


/* ═══════════════════════════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}


/* ═══════════════════════════════════════════════════════════════
   PREMIUM ENHANCEMENTS
   ═══════════════════════════════════════════════════════════════ */

/* ── More page switch button ─────────────────────────────────── */

.app-more-switch-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.28rem;
    padding: 0.28rem 0.7rem;
    border-radius: var(--app-radius-pill);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(203, 213, 225, 0.85);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    flex-shrink: 0;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

.app-more-switch-btn:hover,
.app-more-switch-btn:focus-visible {
    background: rgba(8, 145, 178, 0.2);
    border-color: rgba(8, 145, 178, 0.35);
    color: var(--app-color-white);
    outline: none;
}

.app-more-switch-btn:active {
    transform: scale(0.96);
}

.app-more-switch-btn i {
    font-size: 0.68rem;
}


/* ── Staggered grid animations ───────────────────────────────── */

.app-more-grid .app-more-tile:nth-child(1)  { animation-delay: 20ms; }
.app-more-grid .app-more-tile:nth-child(2)  { animation-delay: 40ms; }
.app-more-grid .app-more-tile:nth-child(3)  { animation-delay: 60ms; }
.app-more-grid .app-more-tile:nth-child(4)  { animation-delay: 80ms; }
.app-more-grid .app-more-tile:nth-child(5)  { animation-delay: 100ms; }
.app-more-grid .app-more-tile:nth-child(6)  { animation-delay: 120ms; }
.app-more-grid .app-more-tile:nth-child(7)  { animation-delay: 140ms; }
.app-more-grid .app-more-tile:nth-child(8)  { animation-delay: 160ms; }
.app-more-grid .app-more-tile:nth-child(n+9) { animation-delay: 180ms; }


/* ── Tab / pill nav ──────────────────────────────────────────── */

.nav-pills .nav-link {
    color: var(--app-text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: var(--app-radius-sm);
    padding: 0.45rem 0.9rem;
    transition: all 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-pills .nav-link.active {
    background: var(--app-brand);
    color: var(--app-color-white);
    box-shadow: 0 2px 8px rgba(8, 145, 178, 0.25);
}


/* ── Input group ─────────────────────────────────────────────── */

.input-group-text {
    background: var(--app-surface-secondary);
    border-color: var(--app-border);
    color: var(--app-text-muted);
    font-size: 0.875rem;
}


/* ── Dropdown menus ──────────────────────────────────────────── */

.dropdown-menu {
    border-radius: var(--app-radius-md);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-md);
    padding: 0.4rem;
    background: var(--app-color-white);
}

.dropdown-item {
    border-radius: var(--app-radius-xs);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--app-text);
    transition: all 120ms ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background: var(--app-accent-soft);
    color: var(--app-brand);
}

.dropdown-divider {
    border-color: var(--app-border-soft);
    margin: 0.35rem 0;
}


/* ── Progress bars ───────────────────────────────────────────── */

.progress {
    height: 0.4rem;
    border-radius: var(--app-radius-pill);
    background: var(--app-progress-track);
    overflow: visible;
}

.progress-bar {
    border-radius: var(--app-radius-pill);
    background: linear-gradient(90deg, var(--app-brand), var(--app-accent));
    box-shadow: 0 0 8px rgba(8, 145, 178, 0.3);
}


/* ── Action links ────────────────────────────────────────────── */

.app-action-link {
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 150ms ease;
    cursor: pointer;
}

.app-action-link:hover {
    opacity: 0.72;
}

.app-action-link.is-disabled {
    opacity: 0.45;
    pointer-events: none;
    cursor: default;
}


/* ── Exam results preview ────────────────────────────────────── */

.exam-results-preview-dialog {
    max-width: min(96vw, 1800px);
}

.exam-results-preview-table {
    max-height: min(62vh, 720px);
    overflow: auto;
}

.exam-results-preview-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--app-surface);
}

/* ── People bulk import ─────────────────────────────────────── */

.people-bulk-import-dialog,
.people-bulk-preview-dialog {
    max-width: min(96vw, 1680px);
}

.people-bulk-import-header {
    background:
        radial-gradient(circle at top right, rgba(8, 145, 178, 0.14), transparent 34%),
        linear-gradient(135deg, rgba(248, 250, 252, 0.98), rgba(239, 246, 255, 0.96));
}

.people-import-section,
.people-import-side-card {
    border: 1px solid var(--app-border-soft);
    border-radius: var(--app-radius-md);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    padding: 1.15rem;
    box-shadow: var(--app-shadow-xs);
}

.people-import-section-title,
.people-import-side-title {
    font-size: 0.84rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--app-text-secondary);
}

.people-import-format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.9rem;
    margin-top: 0.9rem;
}

.people-import-format-card {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    width: 100%;
    padding: 1rem 1.05rem;
    border-radius: var(--app-radius-md);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    color: var(--app-text);
    text-align: left;
    transition: all 180ms ease;
}

.people-import-format-card:hover,
.people-import-format-card:focus-visible {
    border-color: rgba(8, 145, 178, 0.28);
    transform: translateY(-1px);
    box-shadow: var(--app-shadow-sm);
    outline: none;
}

.people-import-format-card.is-active {
    border-color: rgba(8, 145, 178, 0.38);
    background: linear-gradient(135deg, rgba(8, 145, 178, 0.08), rgba(34, 197, 94, 0.06));
    box-shadow: var(--app-shadow-sm);
}

.people-import-format-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 0.95rem;
    background: rgba(8, 145, 178, 0.1);
    color: var(--app-brand);
    font-size: 1.1rem;
    flex-shrink: 0;
}

.people-import-rule-list {
    display: grid;
    gap: 0.7rem;
    margin-top: 0.9rem;
}

.people-import-rule-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.8rem 0.9rem;
    border-radius: var(--app-radius-sm);
    background: rgba(248, 250, 252, 0.9);
    border: 1px solid rgba(226, 232, 240, 0.8);
    color: var(--app-text);
    line-height: 1.45;
}

.people-import-rule-icon {
    color: var(--app-success);
    font-size: 0.95rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.people-import-code-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
}

.people-import-code-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.7rem;
    border-radius: 9999px;
    border: 1px solid rgba(8, 145, 178, 0.16);
    background: rgba(8, 145, 178, 0.08);
    color: var(--app-brand);
    font-size: 0.78rem;
    font-weight: 700;
}

.people-import-upload-card {
    background:
        radial-gradient(circle at top right, rgba(34, 197, 94, 0.12), transparent 42%),
        linear-gradient(135deg, rgba(248, 250, 252, 0.98), rgba(240, 253, 244, 0.94));
}

.people-import-selected-file {
    padding: 0.8rem 0.9rem;
    border-radius: var(--app-radius-sm);
    background: rgba(15, 23, 42, 0.03);
    border: 1px dashed rgba(148, 163, 184, 0.45);
}

.people-preview-kpi {
    min-height: 100%;
}

.people-preview-kpi.is-success {
    border-color: rgba(34, 197, 94, 0.16);
    background: linear-gradient(135deg, rgba(240, 253, 244, 0.94), rgba(255, 255, 255, 0.98));
}

.people-preview-kpi.is-warning {
    border-color: rgba(245, 158, 11, 0.16);
    background: linear-gradient(135deg, rgba(255, 251, 235, 0.94), rgba(255, 255, 255, 0.98));
}

.people-bulk-preview-table {
    max-height: min(66vh, 760px);
    overflow: auto;
    border: 1px solid var(--app-border-soft);
    border-radius: var(--app-radius-md);
}

.people-bulk-preview-table thead th {
    position: sticky;
    top: 0;
    z-index: 2;
    background: var(--app-surface);
    vertical-align: middle;
    min-width: 140px;
}

.people-bulk-preview-table thead th:first-child {
    min-width: 72px;
}

.people-preview-row.has-issues {
    background: rgba(254, 242, 242, 0.6);
}

.people-preview-row-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.15rem;
    height: 2.15rem;
    border-radius: 0.7rem;
    background: rgba(8, 145, 178, 0.08);
    color: var(--app-brand);
    font-weight: 800;
    font-size: 0.8rem;
}

.people-preview-issues-cell {
    min-width: 260px;
}

.people-preview-issue-list {
    display: grid;
    gap: 0.35rem;
}

.people-preview-issue-item {
    padding: 0.45rem 0.55rem;
    border-radius: 0.7rem;
    background: rgba(220, 38, 38, 0.08);
    color: #991b1b;
    font-size: 0.76rem;
    line-height: 1.35;
}

@media (max-width: 767.98px) {
    .modal {
        padding: 0.5rem 0.5rem var(--app-modal-mobile-bottom-clearance);
        scroll-padding-bottom: var(--app-modal-mobile-bottom-clearance);
    }

    .modal-dialog {
        width: calc(100vw - 1rem);
        margin: 0.5rem auto calc(var(--app-modal-mobile-bottom-clearance) - 0.5rem);
    }

    .modal-dialog.modal-dialog-centered {
        min-height: calc(100dvh - var(--app-modal-mobile-bottom-clearance) - 0.5rem);
    }

    .modal-dialog.modal-dialog-scrollable {
        height: calc(100dvh - var(--app-modal-mobile-bottom-clearance) - 0.5rem);
        max-height: calc(100dvh - var(--app-modal-mobile-bottom-clearance) - 0.5rem);
    }

    .modal-content {
        max-height: calc(100dvh - var(--app-modal-mobile-bottom-clearance) - 0.5rem);
        border-radius: calc(var(--app-radius-md) + 2px);
    }

    .modal-header,
    .modal-body,
    .modal-footer {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .modal-header {
        padding-top: 1rem;
        padding-bottom: 0.95rem;
    }

    .modal-body {
        padding-top: 1rem;
        padding-bottom: calc(env(safe-area-inset-bottom, 0px) + 2.25rem);
    }

    .modal-footer {
        padding-top: 0.85rem;
        padding-bottom: 1rem;
    }

    .people-import-format-grid {
        grid-template-columns: 1fr;
    }

    .exam-results-preview-dialog,
    .people-bulk-import-dialog,
    .people-bulk-preview-dialog {
        max-width: calc(100vw - 1rem);
        margin: 0.5rem auto;
    }

    .exam-results-preview-table,
    .people-bulk-preview-table {
        max-height: min(46vh, 420px);
    }
}


/* ═══════════════════════════════════════════════════════════════
   ULTRA-PREMIUM FINISHING TOUCHES
   ═══════════════════════════════════════════════════════════════ */

/* ── Global smooth scrollbar ─────────────────────────────────── */

:root {
    scrollbar-color: var(--app-border) transparent;
    scrollbar-width: thin;
}

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--app-border);
    border-radius: 9999px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--app-text-muted);
}

/* ── Card group staggered entrance ───────────────────────────── */

.row.g-3 > [class*="col-"]:nth-child(1) .app-card { animation-delay: 0ms; }
.row.g-3 > [class*="col-"]:nth-child(2) .app-card { animation-delay: 50ms; }
.row.g-3 > [class*="col-"]:nth-child(3) .app-card { animation-delay: 100ms; }
.row.g-3 > [class*="col-"]:nth-child(4) .app-card { animation-delay: 150ms; }
.row.g-3 > [class*="col-"]:nth-child(5) .app-card { animation-delay: 200ms; }
.row.g-3 > [class*="col-"]:nth-child(6) .app-card { animation-delay: 250ms; }
.row.g-3 > [class*="col-"]:nth-child(7) .app-card { animation-delay: 300ms; }
.row.g-3 > [class*="col-"]:nth-child(8) .app-card { animation-delay: 350ms; }

.row.app-fade-in > [class*="col-"] .app-card {
    animation: app-fade-in 360ms cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* ── Sidebar subtle glow on active state ─────────────────────── */

.app-sidebar .nav-link.active {
    backdrop-filter: blur(4px);
}

/* ── Topbar: smooth transition on scroll ─────────────────────── */

.app-topbar {
    transition: box-shadow 200ms ease;
}

/* ── Card subtle inner highlight ─────────────────────────────── */

.app-card::before,
.card::before {
    display: none;
}

/* ── Auth aside: animated gradient ring ──────────────────────── */

.app-auth-highlight {
    position: relative;
}

.app-auth-highlight::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, rgba(103, 232, 249, 0.4), rgba(8, 145, 178, 0.2));
    border-radius: 9999px;
    transition: height 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-auth-highlight:hover::before {
    height: 60%;
}

/* ── Form control subtle inner shadow ────────────────────────── */

.form-control:focus,
.form-select:focus {
    box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.1), inset 0 1px 2px rgba(8, 145, 178, 0.04);
}

/* ── Button: subtle text shadow for primary ──────────────────── */

.btn-primary {
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.12);
}

/* ── KPI card: colored decorative corner ─────────────────────── */

.app-kpi-card.app-kpi-link .app-badge.info ~ .text-muted {
    color: var(--app-text-muted);
}

/* ── Empty state: subtle breathing animation ─────────────────── */

.app-state-icon-wrap {
    animation: app-breathe 3s ease-in-out infinite;
}

@keyframes app-breathe {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.04); }
}

/* ── Loading skeleton: softer animation ──────────────────────── */

.app-skeleton {
    background: linear-gradient(90deg, var(--app-border-soft) 0%, var(--app-border) 50%, var(--app-border-soft) 100%);
    background-size: 200% 100%;
    animation: app-skeleton-wave 1.8s ease-in-out infinite;
}

.app-skeleton::after {
    display: none;
}

@keyframes app-skeleton-wave {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ── List tile: subtle left accent on hover ──────────────────── */

.app-list-tile::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    border-radius: 9999px;
    background: linear-gradient(180deg, var(--app-brand), var(--app-accent));
    transition: height 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.app-list-tile {
    position: relative;
    overflow: hidden;
}

.app-list-tile:hover::before {
    height: 50%;
}

/* ── Dashboard institution card: premium feel ────────────────── */

.app-card.p-4 > .d-flex > .d-flex > .app-avatar {
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.15);
}

/* ── Page header title: gradient text on hover ───────────────── */

@supports (background-clip: text) {
    .app-page-title::selection,
    .app-page-header h2::selection {
        background: var(--app-brand-soft);
    }
}

/* ── Smooth focus transitions everywhere ─────────────────────── */

*:focus-visible {
    transition: box-shadow 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Badge: slight hover scale for interactive badges ────────── */

a .app-badge,
button .app-badge,
.app-list-tile .app-badge,
.app-kpi-card .app-badge {
    transition: transform 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

a:hover .app-badge,
button:hover .app-badge,
.app-list-tile:hover .app-badge,
.app-kpi-card:hover .app-badge {
    transform: scale(1.05);
}

/* ── Toast: slide-in animation ───────────────────────────────── */

.app-toast {
    animation: app-toast-slide 300ms cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes app-toast-slide {
    from {
        opacity: 0;
        transform: translateY(-12px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Sidebar: elegant separator between sections ─────────────── */

.app-sidebar .nav-section + .nav-section::before {
    content: "";
    display: block;
    height: 1px;
    margin: 0 0.8rem 0.8rem;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.04), transparent);
}

/* ── Mobile: page content smooth reveal ──────────────────────── */

@media (max-width: 991.98px) {
    .app-content {
        animation: app-fade-in 280ms cubic-bezier(0.4, 0, 0.2, 1) both;
    }
}

/* ── Print styles ────────────────────────────────────────────── */

@media print {
    .app-sidebar,
    .app-topbar,
    .app-bottom-nav {
        display: none !important;
    }

    .app-content {
        padding: 0 !important;
    }

    .app-card,
    .card {
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
}


/* ═══════════════════════════════════════════════════════════════
   PAGE-SPECIFIC ENHANCEMENTS
   ═══════════════════════════════════════════════════════════════ */

/* ── Auth badge: icon-only mode (ForgotPassword, VerifyReset) ── */

.app-auth-badge i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    border-radius: 1.2rem;
    background: linear-gradient(135deg, var(--app-accent-soft), rgba(8, 145, 178, 0.08));
    color: var(--app-brand);
    font-size: 1.6rem;
    margin: 1rem auto 0;
    box-shadow: 0 4px 16px rgba(8, 145, 178, 0.1);
    border: 1px solid rgba(8, 145, 178, 0.08);
}

/* ── Tenant selection cards ──────────────────────────────────── */

/* ── Family feed cards ───────────────────────────────────────── */

.app-feed-stack {
    display: grid;
    gap: 1.15rem;
    max-width: 860px;
    margin: 0 auto;
}

.app-feed-stack-home {
    max-width: 1040px;
}

.app-feed-card {
    position: relative;
    overflow: hidden;
    padding: 1.15rem;
    border-radius: calc(var(--app-radius-lg) - 2px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        radial-gradient(circle at top right, rgba(34, 211, 238, 0.08), transparent 30%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    box-shadow: var(--app-shadow-md);
}

.app-feed-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 4px;
    background: linear-gradient(180deg, var(--app-brand), var(--app-accent));
    opacity: 0.9;
}

.app-feed-card-header {
    display: flex;
    align-items: flex-start;
    gap: 0.9rem;
}

.app-feed-avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: var(--app-color-white);
    background: linear-gradient(135deg, var(--app-brand), var(--app-accent));
    box-shadow: 0 12px 24px rgba(8, 145, 178, 0.18);
}

.app-feed-avatar.is-general {
    background: linear-gradient(135deg, #0f172a, #334155);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.16);
}

.app-feed-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--app-text);
    line-height: 1.35;
}

.app-feed-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-top: 0.2rem;
    font-size: 0.78rem;
    color: var(--app-text-muted);
}

.app-feed-meta-separator {
    opacity: 0.55;
}

.app-feed-caption {
    margin-top: 0.95rem;
    color: var(--app-text);
    font-size: 0.95rem;
    line-height: 1.72;
    white-space: pre-wrap;
}

.app-feed-media-stage {
    position: relative;
    margin-top: 1rem;
    min-height: 18rem;
    overflow: hidden;
    border-radius: calc(var(--app-radius-lg) - 6px);
    border: 1px solid rgba(255, 255, 255, 0.16);
    background: linear-gradient(160deg, #0f172a 0%, #1e293b 100%);
}

.app-feed-media-stage.is-image {
    background:
        radial-gradient(circle at top left, rgba(34, 211, 238, 0.28), transparent 30%),
        radial-gradient(circle at bottom right, rgba(249, 115, 22, 0.28), transparent 34%),
        linear-gradient(160deg, #0f172a 0%, #164e63 52%, #1e293b 100%);
}

.app-feed-media-stage.is-video {
    background:
        radial-gradient(circle at top right, rgba(234, 88, 12, 0.28), transparent 28%),
        radial-gradient(circle at bottom left, rgba(14, 165, 233, 0.28), transparent 34%),
        linear-gradient(160deg, #111827 0%, #3b0764 50%, #0f172a 100%);
}

.app-feed-media-stage.is-file {
    background:
        radial-gradient(circle at top left, rgba(148, 163, 184, 0.24), transparent 28%),
        radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.22), transparent 32%),
        linear-gradient(160deg, #0f172a 0%, #1f2937 52%, #0b1120 100%);
}

.app-feed-media-stage::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.06), rgba(15, 23, 42, 0.28));
    pointer-events: none;
}

.app-feed-media-stage.has-visual {
    border-color: rgba(255, 255, 255, 0.22);
}

.app-feed-media-visual {
    position: absolute;
    inset: 0;
}

.app-feed-media-asset {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    display: block;
    margin: 0 auto;
    object-fit: contain;
    background: #0f172a;
}

.app-feed-media-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: inherit;
    padding: 1.15rem;
    gap: 1rem;
}

.app-feed-media-content.has-visual {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.08), rgba(15, 23, 42, 0.5));
}

.app-feed-media-pill {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    padding: 0.4rem 0.8rem;
    border-radius: var(--app-radius-pill);
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    backdrop-filter: blur(12px);
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.88);
}

.app-feed-media-body {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
}

.app-feed-media-icon {
    width: 3.6rem;
    height: 3.6rem;
    border-radius: 1.2rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.16);
    color: var(--app-color-white);
    font-size: 1.4rem;
    backdrop-filter: blur(12px);
}

.app-feed-media-copy {
    min-width: 0;
}

.app-feed-media-title {
    color: var(--app-color-white);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.3;
}

.app-feed-media-file {
    margin-top: 0.25rem;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.85rem;
    line-height: 1.45;
    word-break: break-word;
}

.app-feed-media-action {
    border-color: rgba(255, 255, 255, 0.16);
    box-shadow: 0 10px 20px rgba(15, 23, 42, 0.16);
}

.app-feed-inline-media-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.7rem;
}

.app-home-feed-media {
    margin-top: 1rem;
    overflow: hidden;
    border-radius: calc(var(--app-radius-lg) - 6px);
    border: 1px solid rgba(15, 23, 42, 0.08);
    background:
        radial-gradient(circle at top left, rgba(34, 211, 238, 0.12), transparent 28%),
        linear-gradient(180deg, #0f172a 0%, #111827 100%);
}

.app-home-feed-media.is-video {
    background:
        radial-gradient(circle at top right, rgba(249, 115, 22, 0.16), transparent 30%),
        linear-gradient(180deg, #0f172a 0%, #111827 100%);
}

.app-home-feed-media-asset {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: min(70vh, 42rem);
    margin: 0 auto;
    object-fit: contain;
    background: #0f172a;
}

.app-home-feed-media-placeholder,
.app-home-feed-media-fallback {
    min-height: 12rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem;
}

.app-home-feed-media-fallback {
    flex-wrap: wrap;
}

.app-home-feed-video-preview {
    min-height: 14rem;
    display: grid;
    align-content: space-between;
    gap: 1rem;
    padding: 1.15rem;
    color: rgba(255, 255, 255, 0.92);
    background:
        radial-gradient(circle at top right, rgba(249, 115, 22, 0.2), transparent 30%),
        radial-gradient(circle at bottom left, rgba(34, 211, 238, 0.16), transparent 32%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.92), rgba(17, 24, 39, 0.98));
}

.app-home-feed-video-preview-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.app-home-feed-video-preview-file {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.68);
    word-break: break-word;
}

.app-home-feed-video-preview-body {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.app-home-feed-video-preview-icon {
    width: 3.9rem;
    height: 3.9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.2rem;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.16);
    font-size: 1.75rem;
    color: #fff;
    flex-shrink: 0;
}

.app-home-feed-video-preview-copy {
    min-width: 0;
}

.app-home-feed-video-preview-title {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.35;
    color: #fff;
}

.app-home-feed-video-preview-text {
    margin-top: 0.35rem;
    font-size: 0.88rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.76);
}

.app-feed-load-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1rem 0 0.35rem;
    color: var(--app-text-muted);
    font-size: 0.88rem;
}

.app-feed-load-status.is-error {
    justify-content: space-between;
    flex-wrap: wrap;
}

.app-feed-load-sentinel {
    width: 100%;
    height: 1px;
}

.app-feed-card-footer {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin-top: 0.95rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--app-border-soft);
}

.app-feed-targets {
    display: grid;
    gap: 0.22rem;
}

.app-feed-target-label {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--app-text-muted);
}

.app-feed-target-value {
    font-size: 0.87rem;
    line-height: 1.5;
    color: var(--app-text-secondary);
}

.app-class-plan-item {
    border: 1px solid var(--app-border-soft);
    border-radius: var(--app-radius-md);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
    box-shadow: var(--app-shadow-sm);
    overflow: hidden;
}

.app-class-plan-summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.1rem;
    cursor: pointer;
}

.app-class-plan-summary::-webkit-details-marker {
    display: none;
}

.app-class-plan-summary::marker {
    content: "";
}

.app-class-plan-body {
    padding: 0 1.1rem 1.1rem;
    border-top: 1px solid var(--app-border-soft);
}

.app-class-plan-status-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.app-class-plan-status-group .btn {
    min-width: 5.2rem;
}

.app-class-plan-progress {
    min-width: 4rem;
    justify-content: center;
}

.app-class-plan-chevron {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 9999px;
    color: var(--app-text-muted);
    background: rgba(15, 23, 42, 0.04);
    transition: transform 180ms ease, background 180ms ease;
}

.app-class-plan-item[open] .app-class-plan-chevron {
    transform: rotate(180deg);
    background: rgba(8, 145, 178, 0.08);
    color: var(--app-brand);
}

@media (max-width: 767.98px) {
    .app-feed-card {
        padding: 1rem;
        border-radius: var(--app-radius-md);
    }

    .app-feed-stack-home {
        max-width: none;
    }

    .app-home-feed-media-asset {
        max-height: 26rem;
    }

    .app-home-feed-video-preview-body {
        align-items: flex-start;
    }

    .app-feed-media-stage {
        min-height: 14rem;
        border-radius: var(--app-radius-md);
    }

    .app-feed-media-content {
        padding: 1rem;
    }

    .app-feed-media-body {
        align-items: flex-start;
    }

    .app-class-plan-summary,
    .app-class-plan-body {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

.app-tenant-tile {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.app-tenant-tile + .app-tenant-tile {
    margin-top: 0.5rem;
}

.app-tenant-tile::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--app-brand), var(--app-accent));
    opacity: 0;
    transition: opacity 200ms ease;
}

.app-tenant-tile:hover {
    border-color: rgba(8, 145, 178, 0.18);
    box-shadow: var(--app-shadow-sm);
    transform: translateX(2px);
}

.app-tenant-tile:hover::before {
    opacity: 1;
}

.app-tenant-tile.is-disabled {
    opacity: 0.65;
}

.app-tenant-tile.is-disabled::before {
    background: var(--app-warning);
}

/* ── Help page resource tiles ────────────────────────────────── */

.app-help-tile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    transition: all 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

.app-help-tile + .app-help-tile {
    margin-top: 0.5rem;
}

.app-help-tile:hover {
    border-color: rgba(8, 145, 178, 0.18);
    box-shadow: var(--app-shadow-sm);
    transform: translateX(2px);
}

.app-help-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: var(--app-radius-sm);
    background: var(--app-accent-soft);
    border: 1px solid rgba(8, 145, 178, 0.06);
    color: var(--app-brand);
    font-size: 1.15rem;
    flex-shrink: 0;
    transition: all 200ms ease;
}

.app-help-tile:hover .app-help-icon {
    background: rgba(8, 145, 178, 0.12);
    transform: scale(1.06);
}

/* ── Search section headers ──────────────────────────────────── */

.app-section-header {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1rem;
}

.app-section-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 0.6rem;
    background: var(--app-accent-soft);
    color: var(--app-brand);
    font-size: 1rem;
    flex-shrink: 0;
}

/* ── Not Found page ──────────────────────────────────────────── */

.app-notfound {
    text-align: center;
    padding: 3rem 1rem;
}

.app-notfound-code {
    font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    font-size: clamp(4rem, 3rem + 4vw, 7rem);
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    background: linear-gradient(135deg, var(--app-brand), var(--app-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.app-notfound-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--app-text);
    margin-bottom: 0.5rem;
}

.app-notfound-msg {
    color: var(--app-text-muted);
    font-size: 0.92rem;
    max-width: 28rem;
    margin: 0 auto 1.5rem;
    line-height: 1.5;
}

/* ── Delete confirmation banner ──────────────────────────────── */

.app-confirm-banner {
    border: 1px solid rgba(220, 38, 38, 0.15);
    border-radius: var(--app-radius-sm);
    background: linear-gradient(135deg, rgba(220, 38, 38, 0.04), rgba(220, 38, 38, 0.02));
    padding: 1rem 1.15rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.app-confirm-banner.is-warning {
    border-color: rgba(217, 119, 6, 0.15);
    background: linear-gradient(135deg, rgba(217, 119, 6, 0.04), rgba(217, 119, 6, 0.02));
}

/* ── Settings form section dividers ──────────────────────────── */

.app-settings-section {
    position: relative;
    padding-left: 1rem;
}

.app-settings-section::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    border-radius: 9999px;
    background: linear-gradient(180deg, var(--app-brand), var(--app-accent));
    opacity: 0.3;
}

/* ── Join code card ──────────────────────────────────────────── */

.app-join-card {
    border: 1px dashed var(--app-border);
    border-radius: var(--app-radius-md);
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--app-surface), var(--app-panel-gradient-end));
}

/* ── Pomodoro timer display ──────────────────────────────────── */

.app-timer-display {
    font-family: "Plus Jakarta Sans", "Inter", system-ui, sans-serif;
    font-size: clamp(2.5rem, 2rem + 2vw, 4rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1;
    color: var(--app-text);
}

.app-timer-display.is-break {
    color: var(--app-success);
}

.app-timer-display.is-study {
    color: var(--app-brand);
}

/* Survey module */

.app-survey-card,
.app-survey-question-builder,
.app-survey-question-card,
.app-survey-analytics-panel,
.app-survey-hero {
    border: 1px solid color-mix(in srgb, var(--app-border) 72%, white 28%);
}

.app-survey-card {
    height: 100%;
    transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
    background:
        radial-gradient(circle at top right, color-mix(in srgb, var(--app-accent) 12%, transparent) 0, transparent 36%),
        linear-gradient(160deg, var(--app-surface), color-mix(in srgb, var(--app-panel-gradient-end) 78%, white 22%));
}

.app-survey-card:hover {
    transform: translateY(-2px);
    border-color: color-mix(in srgb, var(--app-brand) 26%, var(--app-border) 74%);
    box-shadow: 0 18px 34px rgba(8, 61, 84, 0.08);
}

.app-survey-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    color: var(--app-muted);
    font-size: 0.9rem;
}

.app-survey-target-list {
    max-height: 14rem;
    overflow: auto;
    padding-right: 0.35rem;
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
}

.app-survey-question-builder {
    background: linear-gradient(160deg, white, color-mix(in srgb, var(--app-brand) 4%, white 96%));
}

.app-survey-hero {
    background:
        radial-gradient(circle at top left, color-mix(in srgb, var(--app-brand) 14%, transparent) 0, transparent 34%),
        radial-gradient(circle at bottom right, color-mix(in srgb, var(--app-accent) 18%, transparent) 0, transparent 32%),
        linear-gradient(160deg, color-mix(in srgb, var(--app-surface) 92%, white 8%), color-mix(in srgb, var(--app-panel-gradient-end) 84%, white 16%));
}

.app-survey-question-card {
    border-radius: var(--app-radius-md);
    padding: 1.1rem 1.15rem;
    background: linear-gradient(180deg, color-mix(in srgb, white 88%, var(--app-brand) 12%), white);
}

.app-survey-analytics-panel {
    border-radius: var(--app-radius-md);
    padding: 1rem;
    background: linear-gradient(180deg, color-mix(in srgb, var(--app-brand) 3%, white 97%), color-mix(in srgb, var(--app-accent) 5%, white 95%));
}

.app-survey-answer-preview {
    border-radius: var(--app-radius-md);
    padding: 0.85rem 1rem;
    background: color-mix(in srgb, var(--app-brand) 5%, white 95%);
    border: 1px solid color-mix(in srgb, var(--app-brand) 12%, var(--app-border) 88%);
}

.app-survey-rating-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

@media (max-width: 767.98px) {
    .app-survey-card-meta {
        font-size: 0.85rem;
    }

    .app-survey-question-card,
    .app-survey-question-builder,
    .app-survey-analytics-panel {
        padding: 0.95rem;
    }
}