:root {
    --app-brand: #0aa7d9;
    --app-brand-hover: #0889b2;
    --app-brand-strong: #066d8f;
    --app-brand-soft: #d8f4fd;
    --app-accent: #5dd6ff;
    --app-accent-soft: #e7f8ff;

    --app-bg: #f2f9fd;
    --app-bg-elevated: #f7fcff;
    --app-surface: #ffffff;
    --app-surface-secondary: #f3f9fd;

    --app-text: #0f2533;
    --app-text-secondary: #38596f;
    --app-text-muted: #6a879b;

    --app-border: #d2e6f2;
    --app-border-soft: #e3f1f8;

    --app-success: #1f9d5a;
    --app-success-soft: rgba(31, 157, 90, 0.14);
    --app-warning: #b67b1d;
    --app-warning-soft: rgba(182, 123, 29, 0.18);
    --app-danger: #cc3d3d;
    --app-danger-soft: rgba(204, 61, 61, 0.12);
    --app-info-soft: rgba(10, 167, 217, 0.12);
    --app-color-white: #ffffff;
    --app-color-transparent: transparent;
    --app-black-overlay-22: rgba(0, 0, 0, 0.22);

    --app-bg-gradient-start: #f7fdff;
    --app-bg-gradient-mid: #eef8fd;
    --app-bg-gradient-end: #e9f4fb;
    --app-surface-highlight: #fbfeff;
    --app-panel-gradient-start: #f8fdff;
    --app-panel-gradient-end: #f1f8fd;
    --app-auth-bg-start: #eff9ff;
    --app-auth-bg-end: #e5f2fb;

    --app-sidebar-gradient-start: #071c2a;
    --app-sidebar-gradient-mid: #062033;
    --app-sidebar-gradient-end: #07263a;
    --app-sidebar-text: #c2dff0;
    --app-sidebar-text-muted: rgba(194, 223, 240, 0.64);
    --app-sidebar-text-faint: rgba(194, 223, 240, 0.45);
    --app-sidebar-link-text: rgba(215, 236, 248, 0.8);
    --app-sidebar-active-pill: #88ddff;
    --app-sidebar-active-icon: #78d7ff;

    --app-brand-overlay-05: rgba(10, 167, 217, 0.05);
    --app-brand-overlay-08: rgba(10, 167, 217, 0.08);
    --app-brand-overlay-14: rgba(10, 167, 217, 0.14);
    --app-brand-overlay-18: rgba(10, 167, 217, 0.18);
    --app-brand-overlay-20: rgba(10, 167, 217, 0.2);
    --app-brand-overlay-25: rgba(10, 167, 217, 0.25);
    --app-brand-overlay-32: rgba(10, 167, 217, 0.32);
    --app-brand-overlay-33: rgba(10, 167, 217, 0.33);
    --app-brand-overlay-34: rgba(10, 167, 217, 0.34);
    --app-brand-overlay-45: rgba(10, 167, 217, 0.45);
    --app-brand-border-soft-35: rgba(123, 219, 248, 0.35);

    --app-accent-gradient-start: #8ce6ff;
    --app-accent-gradient-mid: #77defd;
    --app-accent-gradient-soft: #a3ecff;
    --app-accent-gradient-end: #5dd6ff;
    --app-accent-contrast: #0d3244;
    --app-accent-overlay-09: rgba(93, 214, 255, 0.09);
    --app-accent-overlay-20: rgba(93, 214, 255, 0.2);
    --app-accent-overlay-24: rgba(93, 214, 255, 0.24);
    --app-accent-overlay-28: rgba(93, 214, 255, 0.28);
    --app-accent-overlay-35: rgba(93, 214, 255, 0.35);
    --app-accent-overlay-50: rgba(93, 214, 255, 0.5);
    --app-warning-contrast: #7a5314;
    --app-warning-soft-bg: #fff7e8;

    --app-danger-overlay-30: rgba(204, 61, 61, 0.3);
    --app-danger-overlay-35: rgba(204, 61, 61, 0.35);

    --app-white-overlay-03: rgba(255, 255, 255, 0.03);
    --app-white-overlay-07: rgba(255, 255, 255, 0.07);
    --app-white-overlay-08: rgba(255, 255, 255, 0.08);
    --app-white-overlay-14: rgba(255, 255, 255, 0.14);
    --app-white-overlay-20: rgba(255, 255, 255, 0.2);
    --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(249, 252, 255, 0.84);

    --app-progress-track: #e2edf5;
    --app-placeholder-text: #8aa3b8;
    --app-input-border-strong: #adc6d7;
    --app-input-border-focus: #c0d9e8;

    --app-auth-shell-border: #cce3f2;
    --app-auth-panel-gradient-start: #0a2f46;
    --app-auth-panel-gradient-mid: #0a4a69;
    --app-auth-panel-gradient-end: #0d6d92;
    --app-auth-panel-text: #ecf9ff;
    --app-auth-text-muted: rgba(236, 249, 255, 0.82);
    --app-auth-text-strong: rgba(236, 249, 255, 0.94);

    --app-warning-banner-bg: #fff3c7;
    --app-warning-banner-text: #5d4305;
    --app-error-boundary-bg: #9b1f1f;

    --app-radius-xs: 6px;
    --app-radius-sm: 10px;
    --app-radius-md: 14px;
    --app-radius-lg: 20px;
    --app-radius-xl: 28px;
    --app-radius-pill: 999px;

    --app-shadow-xs: 0 1px 3px rgba(19, 34, 53, 0.06), 0 1px 2px rgba(19, 34, 53, 0.04);
    --app-shadow-sm: 0 2px 6px rgba(19, 34, 53, 0.06), 0 6px 18px rgba(19, 34, 53, 0.07);
    --app-shadow-md: 0 8px 24px rgba(19, 34, 53, 0.09), 0 18px 42px rgba(19, 34, 53, 0.08);
    --app-shadow-lg: 0 16px 40px rgba(19, 34, 53, 0.12), 0 28px 60px rgba(19, 34, 53, 0.09);
    --app-shadow-glow: 0 0 0 3px rgba(10, 167, 217, 0.14), 0 4px 16px rgba(10, 167, 217, 0.18);
    --app-sidebar-scrollbar: rgba(93, 214, 255, 0.28);

    --app-focus-ring: 0 0 0 0.2rem rgba(10, 167, 217, 0.22);

    --app-sidebar-w: 280px;
    --app-topbar-h: 72px;
    --app-bottom-nav-h: 80px;
    --app-brand-font-family: "Times New Roman", Times, serif;
    --bs-primary: #0aa7d9;
    --bs-primary-rgb: 10, 167, 217;
    --bs-warning: #b67b1d;
    --bs-warning-rgb: 182, 123, 29;
}

html,
body {
    height: 100%;
}

body {
    margin: 0;
    font-family: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--app-text);
    background: linear-gradient(180deg, var(--app-bg-gradient-start) 0%, var(--app-bg-gradient-mid) 42%, var(--app-bg-gradient-end) 100%);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: -1;
    background:
        radial-gradient(ellipse 60% 50% at 3% 0%, rgba(10, 167, 217, 0.11), transparent),
        radial-gradient(ellipse 55% 45% at 92% 4%, rgba(93, 214, 255, 0.13), transparent),
        radial-gradient(ellipse 70% 55% at 50% 118%, rgba(10, 167, 217, 0.07), transparent),
        radial-gradient(ellipse 40% 35% at 62% 52%, rgba(93, 214, 255, 0.04), transparent);
}

.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(180deg, #1f6ea8 0%, #145889 100%);
    color: var(--app-color-white);
    text-align: center;
}

.app-boot-content {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
}

.app-boot-logo {
    width: min(9rem, 40vw);
    height: auto;
    object-fit: contain;
}

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

.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, 0.55);
    margin: 0;
}

/* ── Session Loading Screen ──────────────────────────────────── */
.app-session-screen {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.1rem;
    background: var(--app-color-white, #ffffff);
}

.app-session-sk {
    width: min(3rem, 12vw);
    height: min(3rem, 12vw);
    border-radius: 50%;
    border: 3px solid var(--app-border, #e5e7eb);
    border-top-color: var(--app-brand, #1f6ea8);
    animation: app-session-spin 0.75s linear infinite;
}

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

.app-session-label {
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--app-text-muted, #6b7280);
    margin: 0;
    letter-spacing: 0.01em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
    letter-spacing: -0.02em;
    color: var(--app-text);
    line-height: 1.3;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color 120ms ease;
}

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;
}

.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: 1.5rem 1.75rem 2rem;
    box-sizing: border-box;
}

.app-content-inner {
    max-width: 1440px;
    margin: 0 auto;
}

.app-sidebar {
    width: var(--app-sidebar-w);
    background:
        linear-gradient(180deg, var(--app-sidebar-gradient-start) 0%, var(--app-sidebar-gradient-mid) 60%, var(--app-sidebar-gradient-end) 100%);
    color: var(--app-sidebar-text);
    border-right: 1px solid var(--app-white-overlay-08);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    flex-shrink: 0;
    box-shadow: inset -1px 0 0 var(--app-white-overlay-03);
}

.app-sidebar-header {
    padding: 1.15rem 1rem 0.9rem;
    border-bottom: 1px solid var(--app-white-overlay-07);
    background: linear-gradient(180deg, rgba(93, 214, 255, 0.05), transparent);
    position: relative;
}

.app-sidebar-header::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent 5%, var(--app-brand-overlay-45) 30%, var(--app-accent-overlay-50) 50%, var(--app-brand-overlay-45) 70%, transparent 95%);
    pointer-events: none;
}

.app-sidebar .brand {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    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: 0.72rem;
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--app-accent-contrast);
}

.app-brand-logo {
    width: 2.7rem;
    height: 2.7rem;
    object-fit: contain;
    display: block;
}

.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: "Source Sans 3", "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: 0.73rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.1;
    margin-top: .3rem;
}

.app-sidebar-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 0.5rem 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--app-sidebar-scrollbar) transparent;
}

.app-sidebar-scroll::-webkit-scrollbar {
    width: 4px;
}

.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 1.2rem;
    padding: 0;
}

.app-sidebar .nav-section-title {
    font-size: 0.66rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.16em;
    color: var(--app-sidebar-text-faint);
    margin-bottom: 0.42rem;
    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: 0.18rem;
    height: 0.65rem;
    background: var(--app-accent-overlay-35);
    border-radius: var(--app-radius-pill);
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 0.66rem;
    padding: 0.54rem 0.62rem;
    border-radius: 0.72rem;
    color: var(--app-sidebar-link-text);
    font-weight: 600;
    font-size: 0.87rem;
    min-height: 42px;
    position: relative;
    transition: color 120ms ease, background-color 120ms ease, transform 120ms ease;
}

.app-sidebar .nav-link i {
    width: 1.2rem;
    text-align: center;
    opacity: 0.78;
    font-size: 1.02rem;
}

.app-sidebar .nav-link:hover {
    color: var(--app-color-white);
    background: var(--app-white-overlay-07);
}

.app-sidebar .nav-link:hover i {
    opacity: 1;
}

.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: 0.2rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.24rem;
    height: 1.05rem;
    border-radius: var(--app-radius-pill);
    background: var(--app-sidebar-active-pill);
}

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

.app-topbar {
    min-height: var(--app-topbar-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: nowrap;
    gap: 1rem;
    padding: 0.85rem 1.4rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--app-border-soft);
    background: var(--app-surface-overlay-84);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.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: 0.34rem 0.78rem;
    border-radius: var(--app-radius-pill);
    background: var(--app-accent-soft);
    color: var(--app-warning-contrast);
    border: 1px solid var(--app-accent-overlay-24);
    font-weight: 700;
    font-size: 0.79rem;
    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: 0.45rem;
    flex-shrink: 0;
}

/* ── Mobile topbar brand logo ─────────────────────────────────── */
.app-topbar-brand {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}

.app-topbar-logo {
    width: 2rem;
    height: 2rem;
    object-fit: contain;
    display: block;
}

/* ── Mobile topbar tenant context chip ───────────────────────── */
.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: 0.98rem;
    font-weight: 700;
    color: var(--app-text-secondary);
    letter-spacing: 0.005em;
    line-height: 1.2;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: clip;
}

.app-topbar-context-name--md {
    font-size: 0.92rem;
}

.app-topbar-context-name--sm {
    font-size: 0.86rem;
}

.app-topbar-context-name--xs {
    font-size: 0.8rem;
}

.app-topbar-context-name--xxs {
    font-size: 0.74rem;
}

/* ── Topbar icon button (bell etc.) ──────────────────────────── */
.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: background-color 130ms ease, color 130ms ease, border-color 130ms ease;
    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;
}

/* ── Bottom navigation bar ───────────────────────────────────── */
.app-bottom-nav {
    position: fixed;
    left: 0.6rem;
    right: 0.6rem;
    bottom: calc(0.6rem + env(safe-area-inset-bottom, 0px));
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    gap: 0.2rem;
    padding: 0.38rem 0.25rem;
    border-radius: 1.3rem;
    border: 1px solid rgba(255, 255, 255, 0.88);
    background: rgba(250, 253, 255, 0.93);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 -1px 0 rgba(200, 225, 240, 0.5),
        0 8px 32px rgba(10, 40, 68, 0.16),
        0 2px 8px rgba(10, 40, 68, 0.08);
    z-index: 1200;
}

.app-bottom-link {
    flex: 1;
    min-width: 0;
    border-radius: 1rem;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: 0.35rem 0.2rem 0.3rem;
    color: var(--app-text-muted);
    text-decoration: none;
    transition: color 160ms ease;
    -webkit-tap-highlight-color: transparent;
}

.app-bn-pill {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.4rem;
    height: 2rem;
    border-radius: 0.75rem;
    transition: background-color 160ms ease, transform 160ms ease;
    margin-bottom: 0.16rem;
}

.app-bn-label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    line-height: 1;
    transition: color 160ms ease;
}

.app-bottom-link i {
    font-size: 1.12rem;
    transition: transform 160ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.app-bottom-link:active .app-bn-pill {
    transform: scale(0.91);
}

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

.app-bottom-link.active .app-bn-pill {
    background: var(--app-brand-overlay-14);
}

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

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

/* Legacy selector for any direct <a> inside .app-bottom-nav */
.app-bottom-nav a i {
    font-size: 1.12rem;
}

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

.app-page-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-bottom: 1.3rem;
}

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

.app-page-title,
.app-page-header h1,
.app-page-header h2 {
    margin-bottom: 0;
    font-size: clamp(1.35rem, 1.05rem + 1vw, 1.95rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--app-text);
}

.app-page-header .subtitle {
    margin-top: 0.32rem;
    color: var(--app-text-muted);
    font-size: 0.87rem;
    line-height: 1.35;
}

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

.app-card,
.card {
    border: 1px solid var(--app-border);
    border-radius: var(--app-radius-md);
    background: linear-gradient(180deg, var(--app-color-white) 0%, var(--app-surface-highlight) 100%);
    box-shadow: var(--app-shadow-sm);
}

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

.app-kpi-card {
    padding: 1.15rem 1.25rem;
}

.app-kpi-card.app-kpi-link {
    position: relative;
    overflow: hidden;
    transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}

.app-kpi-card.app-kpi-link::after {
    content: "";
    position: absolute;
    inset: auto -20% -55% auto;
    width: 9rem;
    height: 9rem;
    border-radius: 50%;
    pointer-events: none;
}

.app-kpi-card.app-kpi-link:hover {
    transform: translateY(-2px);
    border-color: var(--app-brand-overlay-34);
    box-shadow: var(--app-shadow-md);
}

.app-kpi-label {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--app-text-muted);
    margin-bottom: 0.3rem;
}

.app-kpi-value {
    font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.95rem);
    font-weight: 700;
    line-height: 1.2;
}

.app-kpi-meta {
    color: var(--app-text-muted);
    font-size: 0.78rem;
    line-height: 1.25;
    font-weight: 600;
}

.app-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.3rem;
    padding: 0.28rem 0.66rem;
    border-radius: var(--app-radius-pill);
    font-size: 0.72rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0.01em;
    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-list-tile {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.9rem;
    padding: 0.82rem 0.95rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: var(--app-surface);
    color: var(--app-text);
    transition: border-color 120ms ease, box-shadow 120ms ease, transform 120ms ease;
}

.app-list-tile + .app-list-tile {
    margin-top: 0.55rem;
}

.app-list-tile:hover {
    border-color: var(--app-brand-overlay-32);
    box-shadow: var(--app-shadow-xs);
    transform: translateX(2px);
}

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

/* ── More page — premium header card ────────────────────────── */
.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 var(--app-white-overlay-14);
    box-shadow: var(--app-shadow-sm);
    padding: 1.1rem 1.1rem 1rem;
    overflow: hidden;
    position: relative;
}

.app-more-header::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 95% 5%, rgba(93, 214, 255, 0.18), transparent 48%),
        radial-gradient(circle at 5% 90%, rgba(10, 167, 217, 0.14), 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: 0.7rem;
    letter-spacing: 0.09em;
    text-transform: uppercase;
    line-height: 1.2;
    margin-top: 0.28rem;
}

.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 var(--app-white-overlay-07);
    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;
}

/* ── More page — item grid ────────────────────────────────────── */
.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: 0.42rem;
    padding: 0.85rem 0.4rem 0.75rem;
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    background: linear-gradient(180deg, var(--app-surface-highlight) 0%, var(--app-color-white) 100%);
    color: var(--app-text);
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
    -webkit-tap-highlight-color: transparent;
}

.app-more-tile:hover {
    background: var(--app-brand-soft);
    border-color: var(--app-brand-overlay-25);
    box-shadow: var(--app-shadow-sm);
    transform: translateY(-3px);
}

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

.app-more-tile.active {
    background: var(--app-brand-soft);
    border-color: var(--app-brand);
    color: var(--app-brand);
}

.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 var(--app-brand-overlay-14);
    color: var(--app-brand-strong);
    font-size: 1.12rem;
    transition: background-color 150ms ease, color 150ms ease;
    flex-shrink: 0;
}

.app-more-tile:hover .app-more-tile-icon,
.app-more-tile.active .app-more-tile-icon {
    background: var(--app-brand-overlay-18);
    color: var(--app-brand);
}

.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);
}

/* Legacy: keep old .app-more-brand working for any remaining references */
.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;
}

.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: 0.73rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.app-version-tile strong {
    font-size: 1rem;
}

.app-update-gate {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background:
        radial-gradient(circle at 0% 0%, var(--app-brand-overlay-18), var(--app-color-transparent) 40%),
        radial-gradient(circle at 100% 0%, var(--app-accent-overlay-35), var(--app-color-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: linear-gradient(180deg, var(--app-color-white) 0%, var(--app-surface-highlight) 100%);
    box-shadow: var(--app-shadow-lg);
    padding: 1.5rem;
    text-align: center;
}

.app-update-icon {
    width: 3rem;
    height: 3rem;
    margin: 0 auto 0.9rem;
    border-radius: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--app-brand);
    background: var(--app-brand-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);
    padding: 0.6rem 0.7rem;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.app-update-meta small {
    color: var(--app-text-muted);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

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

.app-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 0.95rem;
}

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

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

.app-state-panel {
    border: 1px dashed var(--app-border);
    border-radius: var(--app-radius-md);
    background:
        linear-gradient(180deg, var(--app-panel-gradient-start) 0%, var(--app-panel-gradient-end) 100%);
    padding: clamp(1.4rem, 1.2rem + 1vw, 2rem);
    text-align: center;
}

.app-state-icon-wrap {
    width: 3.2rem;
    height: 3.2rem;
    margin: 0 auto 0.9rem;
    border-radius: 1.1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, var(--app-brand-soft), var(--app-accent-soft));
    border: 1px solid var(--app-brand-overlay-14);
    color: var(--app-brand);
    box-shadow: 0 4px 12px rgba(10, 167, 217, 0.14);
}

.app-state-icon-wrap.is-danger {
    background: var(--app-danger-soft);
    color: var(--app-danger);
}

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

.app-loading-stack {
    display: grid;
    gap: 0.58rem;
    max-width: 28rem;
    margin: 0 auto;
}

.app-form-section {
    font-size: 0.74rem;
    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: 0.34rem 0;
    font-size: 0.91rem;
}

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

.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 5px 15px var(--app-brand-overlay-25);
    flex-shrink: 0;
}

.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: 46px;
    height: 46px;
    font-size: 0.9rem;
}

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

.app-nav-indicator {
    margin-left: auto;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--app-accent);
    box-shadow: 0 0 0 4px var(--app-accent-overlay-20);
}

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

.app-trend-bar {
    width: 10px;
    border-radius: 7px;
    background: var(--app-brand-overlay-33);
}

.app-trend-bar.accent {
    background: var(--app-accent-overlay-50);
}

.app-skeleton {
    height: 0.8rem;
    border-radius: 999px;
    background: var(--app-progress-track);
    position: relative;
    overflow: hidden;
}

.app-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(90deg, var(--app-color-transparent), var(--app-white-overlay-72), var(--app-color-transparent));
    animation: app-shimmer 1.45s infinite;
}

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

.app-fade-in {
    animation: app-fade-in 280ms ease both;
}

@keyframes app-fade-in {
    from {
        opacity: 0;
        transform: translateY(7px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-control,
.form-select,
.input-group-text {
    border-color: var(--app-border);
    border-radius: var(--app-radius-sm);
    font-size: 0.875rem;
    transition: border-color 120ms ease, box-shadow 120ms ease, background-color 120ms ease;
}

.form-control,
.form-select {
    padding: 0.5rem 0.74rem;
    background-color: var(--app-color-white);
}

.form-control:focus,
.form-select:focus,
.form-check-input:focus {
    border-color: var(--app-brand);
    box-shadow: var(--app-focus-ring), inset 0 1px 4px rgba(10, 167, 217, 0.07);
    background-color: var(--app-surface-highlight);
}

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

.form-label {
    color: var(--app-text-secondary);
    font-size: 0.81rem;
    font-weight: 700;
    margin-bottom: 0.34rem;
}

.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;
}

.btn {
    border-radius: 0.72rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    padding-top: 0.56rem;
    padding-bottom: 0.56rem;
    transition: transform 120ms ease, box-shadow 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.btn.btn-sm {
    padding-top: 0.44rem;
    padding-bottom: 0.44rem;
}

.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 2px 8px rgba(10, 167, 217, 0.28);
}

.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 4px 16px rgba(10, 167, 217, 0.38);
}

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

.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: var(--app-danger-overlay-35);
    color: var(--app-danger);
}

.modal-content {
    border-radius: var(--app-radius-md);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-lg);
    background: linear-gradient(180deg, var(--app-color-white) 0%, var(--app-surface-highlight) 100%);
}

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

.modal-header {
    padding: 1.05rem 1.25rem;
}

.modal-body {
    padding: 1.25rem;
}

.modal-footer {
    padding: 0.9rem 1.25rem;
}

.toast-container {
    z-index: 1250;
}

.app-toast {
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-white-overlay-20);
    box-shadow: var(--app-shadow-lg);
    min-width: 280px;
}

.app-toast-icon {
    width: 1.85rem;
    height: 1.85rem;
    border-radius: 0.66rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.95rem;
    flex-shrink: 0;
    background: var(--app-white-overlay-20);
}

.alert {
    border-radius: var(--app-radius-sm);
    font-size: 0.87rem;
    border-width: 1px;
}

.alert-warning {
    border-color: var(--app-accent-overlay-35);
    background: var(--app-warning-soft-bg);
}

.alert-danger {
    border-color: var(--app-danger-overlay-30);
}

.table {
    font-size: 0.87rem;
    margin-bottom: 0;
}

.table > thead > tr > th {
    border-bottom: 1px solid var(--app-border);
    color: var(--app-text-muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.64rem 0.82rem;
    white-space: nowrap;
}

.table > tbody > tr > td {
    padding: 0.72rem 0.82rem;
    border-color: var(--app-border-soft);
    vertical-align: middle;
}

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

.app-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 0.9rem;
    padding-top: 0.9rem;
    border-top: 1px solid var(--app-border-soft);
}

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

.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: var(--app-color-transparent);
    padding-top: 0.22rem;
    padding-bottom: 0.22rem;
    font-weight: 600;
}

.app-auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background:
        radial-gradient(circle at 0% 0%, var(--app-brand-overlay-18), var(--app-color-transparent) 38%),
        radial-gradient(circle at 100% 0%, var(--app-warning-soft), var(--app-color-transparent) 34%),
        linear-gradient(180deg, var(--app-auth-bg-start) 0%, var(--app-auth-bg-end) 100%);
}

.app-auth-frame {
    width: min(1080px, 100%);
    display: grid;
    grid-template-columns: minmax(250px, 0.95fr) minmax(0, 1.05fr);
    border-radius: var(--app-radius-xl);
    border: 1px solid var(--app-auth-shell-border);
    background: var(--app-color-white);
    overflow: hidden;
    box-shadow: var(--app-shadow-lg);
}

.app-auth-aside {
    padding: 2.2rem 1.9rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.2rem;
    background:
        linear-gradient(165deg, var(--app-auth-panel-gradient-start) 0%, var(--app-auth-panel-gradient-mid) 55%, var(--app-auth-panel-gradient-end) 100%);
    color: var(--app-auth-panel-text);
}

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

.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;
}

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

.app-auth-highlights {
    display: grid;
    gap: 0.62rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.app-auth-highlight {
    padding: 0.62rem 0.72rem;
    border-radius: 0.72rem;
    border: 1px solid var(--app-white-overlay-14);
    background: var(--app-white-overlay-08);
    font-size: 0.82rem;
    color: var(--app-auth-text-strong);
}

.app-auth-card {
    padding: clamp(1.4rem, 1.1rem + 1vw, 2.1rem);
    overflow-y: auto;
}

.app-auth-intro {
    margin-bottom: 1rem;
}

.app-auth-badge {
    border-radius: 0.95rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--app-accent-contrast);
    font-weight: 800;
}

.app-auth-badge-logo {
    width: 5rem;
    height: 5rem;
    object-fit: cover;
    display: block;
    margin-bottom: -2rem;
    margin-top: 2rem;
}

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

#blazor-error-ui {
    color-scheme: light only;
    background: var(--app-warning-banner-bg);
    color: var(--app-warning-banner-text);
    box-shadow: 0 -1px 3px var(--app-black-overlay-22);
    box-sizing: border-box;
    display: none;
    left: 0;
    bottom: 0;
    width: 100%;
    position: fixed;
    z-index: 1300;
    padding: 0.72rem 1.2rem;
}

#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 {
    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: var(--app-color-transparent);
        width: 100%;
    }
}

@media (max-width: 1199.98px) {
    .app-content {
        padding-left: 1.35rem;
        padding-right: 1.35rem;
    }

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

@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));
    }

    /* Single-row topbar on mobile — logo|context|actions, never wraps */
    .app-topbar {
        min-height: 56px;
        padding: 0.6rem 0.85rem;
        flex-wrap: nowrap;
        gap: 0.55rem;
    }

    .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);
    }
}

@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: 0.55rem 0.75rem;
        gap: 0.45rem;
    }

    /* No longer force actions to a second row — topbar is always single-row */

    .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: 0.45rem;
        right: 0.45rem;
        bottom: calc(0.45rem + env(safe-area-inset-bottom, 0px));
        border-radius: 1.1rem;
    }
}

@media (max-width: 575.98px) {
    .app-topbar {
        padding: 0.5rem 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: 0.95rem 1rem;
    }

    .app-auth-card {
        padding: 1.05rem;
    }

    .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;
    }
}

/* ── Chart component ───────────────────────────────────────── */
.app-chart-wrap {
    position: relative;
    min-height: 200px;
    width: 100%;
}

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

@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 — Appended
   ═══════════════════════════════════════════════════════════════ */

/* ── Switch button inside More header tenant row ─────────────── */
.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: var(--app-white-overlay-14);
    border: 1px solid var(--app-white-overlay-20);
    color: rgba(194, 223, 240, 0.88);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color 130ms ease, border-color 130ms ease, color 130ms ease;
    -webkit-tap-highlight-color: transparent;
}

.app-more-switch-btn:hover,
.app-more-switch-btn:focus-visible {
    background: var(--app-brand-overlay-25);
    border-color: var(--app-brand-overlay-45);
    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;
}

/* ── Bottom nav specular shine line ──────────────────────────── */
.app-bottom-nav::before {
    content: "";
    position: absolute;
    top: 0;
    left: 12%;
    right: 12%;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(255, 255, 255, 0.85) 25%,
        rgba(93, 214, 255, 0.55) 50%,
        rgba(255, 255, 255, 0.85) 75%,
        transparent);
    border-radius: var(--app-radius-pill);
    pointer-events: none;
}

/* ── Avatar hover ring (profile button in topbar) ────────────── */
.btn:hover .app-avatar,
.btn:focus-visible .app-avatar {
    box-shadow: 0 0 0 2.5px var(--app-brand), 0 4px 12px rgba(10, 167, 217, 0.24);
    transition: box-shadow 130ms ease;
}

/* ── Table improvements ──────────────────────────────────────── */
.table {
    --bs-table-hover-bg: var(--app-brand-overlay-05);
    --bs-table-border-color: var(--app-border-soft);
    font-size: 0.875rem;
}

.table > thead > tr > th {
    font-size: 0.735rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--app-text-muted);
    border-bottom-width: 1px;
    padding-top: 0.72rem;
    padding-bottom: 0.72rem;
    background: var(--app-surface-secondary);
    white-space: nowrap;
    vertical-align: middle;
}

.table > tbody > tr {
    transition: background-color 100ms ease;
}

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

.table > tbody > tr > td {
    vertical-align: middle;
    padding-top: 0.72rem;
    padding-bottom: 0.72rem;
}

/* ── Card subtle gradient refinement ─────────────────────────── */
.app-card,
.card {
    background: linear-gradient(160deg, var(--app-color-white) 0%, #f6fbff 100%);
}

/* ── KPI value visual weight ─────────────────────────────────── */
.app-kpi-value {
    font-size: clamp(1.4rem, 1.2rem + 0.8vw, 1.95rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* ── Form label refinement ───────────────────────────────────── */
.form-label {
    color: var(--app-text-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    margin-bottom: 0.34rem;
    letter-spacing: 0.01em;
}

/* ── Sidebar nav hover: subtle left micro-glow ───────────────── */
.app-sidebar .nav-link:hover {
    color: var(--app-color-white);
    background: var(--app-white-overlay-07);
    padding-left: 0.78rem;
}

/* ── App-badge: slightly more visual presence ────────────────── */
.app-badge {
    padding: 0.3rem 0.72rem;
    letter-spacing: 0.02em;
}

/* ── Version tile: consistent with KPI tiles ─────────────────── */
.app-version-tile {
    background: linear-gradient(160deg, var(--app-color-white), var(--app-surface-highlight));
    border-color: var(--app-border-soft);
}

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

/* ── More-tile active: stronger accent pill ──────────────────── */
.app-more-tile.active {
    background: var(--app-brand-soft);
    border-color: var(--app-brand);
    color: var(--app-brand);
    box-shadow: 0 0 0 1px var(--app-brand-overlay-25);
}

/* ── Topbar brand logo pulse on first load ───────────────────── */
.app-topbar-brand {
    transition: opacity 150ms ease;
}

.app-topbar-brand:hover {
    opacity: 0.82;
}

/* ── Desktop: topbar tenant pill text weight ─────────────────── */
@media (min-width: 992px) {
    .app-topbar .tenant-pill {
        font-size: 0.81rem;
        letter-spacing: 0.015em;
    }
}

/* ── Mobile: topbar bottom accent line ───────────────────────── */
@media (max-width: 991.98px) {
    .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%,
            var(--app-brand-overlay-14) 50%,
            var(--app-border-soft) 75%,
            transparent 95%);
        pointer-events: none;
    }

    .app-topbar {
        position: relative;
    }
}

/* ── Page header: rich title weight on desktop ───────────────── */
@media (min-width: 992px) {
    .app-page-title,
    .app-page-header h1 {
        letter-spacing: -0.03em;
    }
}

/* ── Nav link indicator dot: pulsing ring ────────────────────── */
.app-nav-indicator {
    animation: app-indicator-pulse 2.5s ease-in-out infinite;
}

@keyframes app-indicator-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(93, 214, 255, 0); }
    50%       { box-shadow: 0 0 0 5px rgba(93, 214, 255, 0.15); }
}

/* ── Staggered fade-in for card grids ────────────────────────── */
.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; }

/* Apply fade-in to all more-tiles */
.app-more-tile {
    animation: app-fade-in 300ms ease both;
}

/* ── List tile: icon visual weight ───────────────────────────── */
.app-list-tile > div i {
    opacity: 0.72;
    transition: opacity 120ms ease, color 120ms ease;
}

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

/* ── Smarter scrollable content dividers ────────────────────── */
.table-responsive {
    border-radius: var(--app-radius-sm);
    border: 1px solid var(--app-border-soft);
    box-shadow: var(--app-shadow-xs);
}

/* ── Tab / Pill nav improvements ─────────────────────────────── */
.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: background-color 120ms ease, color 120ms ease;
}

.nav-pills .nav-link.active {
    background: var(--app-brand);
    color: var(--app-color-white);
    box-shadow: 0 2px 8px rgba(10, 167, 217, 0.28);
}

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

/* ── Alert refinements ───────────────────────────────────────── */
.alert {
    border-radius: var(--app-radius-sm);
    font-size: 0.875rem;
}

/* ── Dropdown menu refinements ───────────────────────────────── */
.dropdown-menu {
    border-radius: var(--app-radius-md);
    border: 1px solid var(--app-border);
    box-shadow: var(--app-shadow-md);
    padding: 0.35rem;
    background: var(--app-color-white);
}

.dropdown-item {
    border-radius: var(--app-radius-xs);
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--app-text);
    transition: background-color 100ms ease, color 100ms ease;
}

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

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

/* ── Smooth progress bars ─────────────────────────────────────── */
.progress {
    height: 0.45rem;
    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(10, 167, 217, 0.36);
}

.app-action-link {
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
    transition: opacity 0.15s ease;
    cursor: pointer;
}

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

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