:root {
    --bg: #eef5f8;
    --surface: rgba(255, 255, 255, 0.88);
    --surface-strong: #ffffff;
    --text: #10202f;
    --muted: #657588;
    --line: rgba(16, 32, 47, 0.1);
    --navy: #071827;
    --blue: #1663ff;
    --cyan: #06b6d4;
    --emerald: #10b981;
    --orange: #f59e0b;
    --red: #ef4444;
    --violet: #7c3aed;
    --shadow: 0 16px 40px rgba(16, 32, 47, 0.12);
    --radius: 8px;
}

[data-theme="dark"] {
    --bg: #0a1118;
    --surface: rgba(17, 28, 40, 0.9);
    --surface-strong: #111c28;
    --text: #edf6ff;
    --muted: #a6b5c4;
    --line: rgba(237, 246, 255, 0.12);
    --shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    letter-spacing: 0;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(6, 182, 212, 0.14), transparent 30%),
        linear-gradient(135deg, rgba(22, 99, 255, 0.08), rgba(16, 185, 129, 0.06)),
        var(--bg);
}

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
select,
textarea {
    font: inherit;
}

.app-body {
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 22px 16px;
    overflow-y: auto;
    color: #e8f4ff;
    background: linear-gradient(180deg, #071827, #102239);
    border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 52px;
    margin-bottom: 24px;
}

.brand strong {
    display: block;
    line-height: 1.2;
}

.brand small,
.user-chip small,
.list-row small,
td small {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
    margin-top: 2px;
}

.sidebar .brand small {
    color: rgba(232, 244, 255, 0.68);
}

.brand-mark {
    display: inline-grid;
    place-items: center;
    width: 42px;
    height: 42px;
    border-radius: var(--radius);
    color: #ffffff;
    font-weight: 800;
    background: linear-gradient(135deg, var(--blue), var(--cyan) 55%, var(--emerald));
    box-shadow: 0 10px 26px rgba(6, 182, 212, 0.25);
}

.brand-mark.large {
    width: 58px;
    height: 58px;
    font-size: 1.2rem;
}

.sidebar-nav {
    display: grid;
    gap: 6px;
}

.nav-group-label {
    margin: 14px 10px 2px;
    color: rgba(232, 244, 255, 0.42);
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
}

.sidebar-nav a,
.mobile-bottom-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    border-radius: var(--radius);
    color: rgba(232, 244, 255, 0.72);
    transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.sidebar-nav a {
    padding: 11px 12px;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.12);
}

.sidebar-nav a.active {
    box-shadow: inset 3px 0 0 var(--cyan);
}

i[data-lucide] {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
}

.app-shell {
    min-width: 0;
    padding: 24px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 20px;
}

.eyebrow {
    margin: 0 0 4px;
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    font-size: clamp(1.45rem, 2.2vw, 2.1rem);
    margin-bottom: 0;
}

h2 {
    font-size: 1.15rem;
    margin-bottom: 0;
}

h3 {
    font-size: 1rem;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.icon-button,
.soft-button,
.primary-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 42px;
    border: 0;
    border-radius: var(--radius);
    cursor: pointer;
    transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.icon-button {
    width: 42px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line);
}

.icon-button:hover,
.soft-button:hover,
.primary-action:hover {
    transform: translateY(-1px);
}

.icon-button.danger {
    color: var(--red);
}

.icon-button.success {
    color: var(--emerald);
}

.soft-button {
    min-width: 42px;
    padding: 0 14px;
    color: var(--text);
    background: var(--surface);
    border: 1px solid var(--line);
}

.primary-action {
    padding: 0 18px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--blue), var(--cyan));
    box-shadow: 0 12px 24px rgba(22, 99, 255, 0.2);
}

.compact-action {
    min-height: 40px;
}

.user-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 42px;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: inherit;
    text-decoration: none;
}

.auth-link {
    display: inline-flex;
    width: fit-content;
    color: var(--blue);
    font-weight: 700;
    text-decoration: none;
}

.mini-input {
    width: 92px;
    min-height: 40px;
}

.code-block {
    margin: 0;
    padding: 12px;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(2, 6, 23, 0.05);
    color: var(--text);
}

.avatar {
    display: inline-grid;
    place-items: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    color: #ffffff;
    font-weight: 800;
    background: var(--navy);
}

.surface,
.metric-card,
.report-panel {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.surface {
    padding: 18px;
}

.metric-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    margin-bottom: 18px;
}

.metric-card {
    position: relative;
    overflow: hidden;
    min-height: 132px;
    padding: 18px;
}

.metric-card::after {
    content: "";
    position: absolute;
    inset: auto 16px 16px auto;
    width: 54px;
    height: 5px;
    border-radius: 999px;
    opacity: 0.82;
    background: currentColor;
}

.metric-card span,
.metric-card small {
    color: var(--muted);
}

.metric-card strong {
    display: block;
    margin: 12px 0 6px;
    font-size: clamp(1.45rem, 3vw, 2.2rem);
}

.accent-blue { color: var(--blue); }
.accent-emerald { color: var(--emerald); }
.accent-orange { color: var(--orange); }
.accent-red { color: var(--red); }

.dashboard-grid,
.split-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
    gap: 16px;
    margin-bottom: 18px;
}

.tri-column,
.report-grid,
.settings-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.section-heading.tight {
    margin-bottom: 12px;
}

.list-stack,
.timeline {
    display: grid;
    gap: 10px;
}

.list-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    min-height: 48px;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
}

.list-row:last-child {
    border-bottom: 0;
}

.link-row:hover {
    color: var(--blue);
}

.responsive-table {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    min-width: 760px;
    border-collapse: collapse;
}

th,
td {
    padding: 13px 10px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}

th {
    color: var(--muted);
    font-size: 0.78rem;
    text-transform: uppercase;
}

td strong {
    display: block;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    min-height: 26px;
    padding: 0 9px;
    border-radius: 999px;
    color: var(--blue);
    background: rgba(22, 99, 255, 0.1);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: capitalize;
}

.status-pill.active,
.status-pill.paid,
.status-pill.verified,
.status-pill.present,
.status-pill.resolved,
.status-pill.completed {
    color: var(--emerald);
    background: rgba(16, 185, 129, 0.12);
}

.status-pill.pending,
.status-pill.partial,
.status-pill.partial.paid,
.status-pill.late,
.status-pill.in_progress,
.status-pill.contacted,
.status-pill.processing,
.status-pill.queued {
    color: var(--orange);
    background: rgba(245, 158, 11, 0.14);
}

.status-pill.failed,
.status-pill.cancelled,
.status-pill.dropout,
.status-pill.urgent,
.status-pill.high,
.status-pill.absent {
    color: var(--red);
    background: rgba(239, 68, 68, 0.12);
}

.status-pill.normal,
.status-pill.sent,
.status-pill.delivered,
.status-pill.read {
    color: var(--blue);
    background: rgba(22, 99, 255, 0.1);
}

.status-pill.low,
.status-pill.draft,
.status-pill.scheduled,
.status-pill.leave,
.status-pill.half_day,
.status-pill.closed {
    color: var(--orange);
    background: rgba(245, 158, 11, 0.14);
}

.empty-state {
    margin: 0;
    color: var(--muted);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
}

.form-stack {
    display: grid;
    gap: 12px;
    align-self: start;
}

.filter-bar {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) minmax(150px, 0.55fr) auto;
    gap: 10px;
    align-items: end;
    margin-bottom: 14px;
}

.filter-bar.wide-filter {
    grid-template-columns: minmax(220px, 1.2fr) repeat(4, minmax(130px, 0.55fr)) auto;
}

.table-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}

.table-actions form {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.table-actions select {
    min-width: 130px;
}

.pagination-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--line);
    color: var(--muted);
}

.pagination-bar div {
    display: flex;
    align-items: center;
    gap: 10px;
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.detail-grid p {
    margin: 0;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
}

.detail-grid span {
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 0.78rem;
}

.form-span {
    grid-column: 1 / -1;
}

label {
    display: grid;
    gap: 6px;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 700;
}

input,
select,
textarea {
    width: 100%;
    min-height: 42px;
    padding: 10px 12px;
    color: var(--text);
    background: var(--surface-strong);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    outline: none;
}

textarea {
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.14);
}

.timeline-item {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
}

.timeline-item p {
    margin: 10px 0;
    color: var(--muted);
}

.probability {
    float: right;
    color: var(--emerald);
    font-weight: 900;
}

.payment-workflow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.payment-workflow div,
.setting-row {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
}

.payment-workflow i {
    color: var(--cyan);
}

.receipt-actions,
.button-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 14px;
}

.button-row.inline {
    margin-bottom: 0;
}

.receipt {
    max-width: 780px;
    margin: 0 auto;
}

.receipt-header,
.receipt-grid,
.receipt-total {
    display: grid;
    gap: 14px;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
}

.receipt-header {
    grid-template-columns: 1fr auto;
    align-items: start;
}

.receipt-header p {
    color: var(--muted);
}

.receipt-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.receipt-grid p {
    margin: 0;
}

.receipt-grid span,
.receipt-total span {
    display: block;
    color: var(--muted);
    font-size: 0.8rem;
}

.receipt-total {
    grid-template-columns: 1fr auto;
    align-items: center;
}

.receipt-total strong {
    font-size: 2rem;
    color: var(--emerald);
}

.invoice-line,
.reminder-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.invoice-line small,
.receipt-note {
    display: block;
    color: var(--muted);
}

.receipt-note {
    margin: 18px 0 0;
}

.receipt-side-panel {
    max-width: 780px;
    margin: 16px auto 0;
}

.reminder-toolbar {
    margin-bottom: 12px;
    padding-top: 0;
}

.compact-check {
    padding: 8px 10px;
}

.gateway-checkout {
    max-width: 760px;
    margin: 0 auto;
}

.report-panel {
    padding: 16px;
}

.enterprise-hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 18px;
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(22, 99, 255, 0.14), rgba(16, 185, 129, 0.1)),
        var(--surface);
}

.enterprise-hero p:last-child {
    max-width: 760px;
    margin-bottom: 0;
    color: var(--muted);
}

.enterprise-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.module-board {
    margin-bottom: 18px;
}

.school-module-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
}

.school-module-grid a {
    display: grid;
    gap: 7px;
    min-height: 124px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.school-module-grid a:hover {
    transform: translateY(-2px);
    border-color: rgba(22, 99, 255, 0.4);
    box-shadow: 0 10px 22px rgba(16, 32, 47, 0.08);
}

.school-module-grid i {
    color: var(--cyan);
}

.school-module-grid small {
    color: var(--muted);
}

.capability-grid article,
.branch-card {
    display: grid;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
}

.capability-grid article {
    min-height: 132px;
}

.capability-grid i {
    color: var(--cyan);
}

.capability-grid small,
.branch-card small,
.branch-card p {
    color: var(--muted);
}

.branch-card p {
    margin: 0;
}

.inline-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.branch-list {
    max-height: 760px;
    overflow: auto;
    padding-right: 4px;
}

.inline-form {
    margin: 0;
}

.communication-layout {
    grid-template-columns: minmax(360px, 0.82fr) minmax(0, 1.18fr);
}

.campaign-composer {
    align-self: start;
}

.targeting-panel,
.target-panel {
    display: grid;
    gap: 10px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface-strong);
}

.target-panel[hidden] {
    display: none;
}

.field-title {
    color: var(--muted);
    font-size: 0.82rem;
    font-weight: 800;
}

.target-scope-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.scope-card,
.check-card {
    position: relative;
    display: grid;
    gap: 6px;
    min-height: 74px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
}

.scope-card input,
.check-card input {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 18px;
    min-height: 18px;
    accent-color: var(--blue);
}

.scope-card i {
    color: var(--cyan);
}

.scope-card:has(input:checked),
.check-card:has(input:checked) {
    border-color: rgba(22, 99, 255, 0.58);
    box-shadow: 0 0 0 3px rgba(22, 99, 255, 0.08);
}

.scope-card small,
.helper-text {
    color: var(--muted);
}

.check-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
}

.check-card {
    min-height: 46px;
    align-content: center;
    padding-right: 40px;
}

.multi-select {
    min-height: 132px;
}

.tall-select {
    min-height: 190px;
}

.settings-grid.single-column {
    grid-template-columns: 1fr;
}

.campaign-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0;
}

.campaign-stats span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 9px;
    border-radius: 999px;
    color: var(--blue);
    background: rgba(22, 99, 255, 0.08);
    font-size: 0.78rem;
    font-weight: 800;
}

.campaign-heading,
.notice-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.small-icon {
    width: 34px;
    min-height: 34px;
}

.material-row {
    align-items: flex-start;
}

.material-row > span {
    min-width: 0;
}

.alert-banner {
    margin: 0 0 14px;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-weight: 700;
}

.alert-banner.success {
    color: #065f46;
    background: rgba(16, 185, 129, 0.16);
}

.alert-banner.danger {
    color: #991b1b;
    background: rgba(239, 68, 68, 0.14);
}

.alert-banner.compact {
    margin-bottom: 10px;
}

.auth-body {
    display: grid;
    place-items: center;
    padding: 24px;
}

.auth-shell {
    width: min(1040px, 100%);
}

.login-panel {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 420px;
    min-height: 620px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.login-copy {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 42px;
    color: #ffffff;
    background:
        linear-gradient(135deg, rgba(7, 24, 39, 0.92), rgba(16, 99, 255, 0.72)),
        url("data:image/svg+xml,%3Csvg width='900' height='650' viewBox='0 0 900 650' xmlns='http://www.w3.org/2000/svg'%3E%3Crect width='900' height='650' fill='%23071827'/%3E%3Cg fill='none' stroke='%2306b6d4' stroke-opacity='.38'%3E%3Cpath d='M90 130h710M90 250h710M90 370h710M90 490h710M170 70v500M330 70v500M490 70v500M650 70v500'/%3E%3Ccircle cx='215' cy='210' r='42'/%3E%3Ccircle cx='548' cy='330' r='78'/%3E%3Cpath d='M170 490 330 250 490 370 650 130'/%3E%3C/g%3E%3C/svg%3E");
    background-size: cover;
}

.login-copy h1 {
    max-width: 620px;
    margin: 8px 0 22px;
    font-size: clamp(2rem, 4vw, 3.2rem);
}

.login-points {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.login-points span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 12px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.12);
}

.login-form {
    display: grid;
    align-content: center;
    gap: 16px;
    padding: 42px;
    background: var(--surface-strong);
}

.registration-panel {
    grid-template-columns: minmax(280px, 0.8fr) minmax(520px, 1.2fr);
}

.registration-form {
    align-content: start;
    max-height: 82vh;
    overflow-y: auto;
}

.login-form p {
    color: var(--muted);
}

.mobile-bottom-nav {
    display: none;
}

.page-transition {
    animation: pageIn 220ms ease both;
}

@keyframes pageIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.error-page {
    display: grid;
    place-items: center;
    padding: 24px;
}

.error-page section {
    max-width: 460px;
    padding: 24px;
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.error-page h1 {
    font-size: 3rem;
}

@media (max-width: 1100px) {
    .metric-grid,
    .tri-column,
    .report-grid,
    .settings-grid,
    .capability-grid,
    .target-scope-grid,
    .school-module-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

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

@media (max-width: 820px) {
    .app-body {
        display: block;
        padding-bottom: calc(82px + env(safe-area-inset-bottom));
    }

    .sidebar {
        display: none;
    }

    .app-shell {
        padding: 16px;
    }

    .topbar {
        align-items: flex-start;
    }

    .topbar-actions {
        gap: 8px;
    }

    .user-chip {
        display: none;
    }

    .metric-grid,
    .tri-column,
    .report-grid,
    .settings-grid,
    .form-grid,
    .payment-workflow,
    .receipt-grid,
    .capability-grid,
    .inline-grid,
    .target-scope-grid,
    .check-grid,
    .school-module-grid {
        grid-template-columns: 1fr;
    }

    .filter-bar,
    .filter-bar.wide-filter,
    .detail-grid {
        grid-template-columns: 1fr;
    }

    .pagination-bar {
        align-items: flex-start;
        flex-direction: column;
    }

    .pagination-bar div {
        width: 100%;
        justify-content: space-between;
    }

    .enterprise-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .enterprise-actions {
        justify-content: flex-start;
        width: 100%;
    }

    .section-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .reminder-toolbar,
    .invoice-line {
        align-items: stretch;
        flex-direction: column;
    }

    .mobile-bottom-nav {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 50;
        display: grid;
        grid-template-columns: repeat(5, minmax(0, 1fr));
        gap: 4px;
        min-height: calc(70px + env(safe-area-inset-bottom));
        padding: 8px 8px calc(8px + env(safe-area-inset-bottom));
        background: rgba(7, 24, 39, 0.94);
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        backdrop-filter: blur(18px);
    }

    .mobile-bottom-nav a {
        flex-direction: column;
        justify-content: center;
        gap: 4px;
        min-width: 0;
        min-height: 54px;
        padding: 6px 4px;
        color: rgba(232, 244, 255, 0.7);
        font-size: 0.72rem;
        text-align: center;
    }

    .mobile-bottom-nav a.active {
        color: #ffffff;
        background: linear-gradient(135deg, rgba(22, 99, 255, 0.88), rgba(6, 182, 212, 0.78));
    }

    .mobile-bottom-nav i {
        width: 21px;
        height: 21px;
    }

    .login-panel {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .registration-form {
        max-height: none;
    }

    .login-copy,
    .login-form {
        padding: 24px;
    }
}

@media print {
    body {
        background: #ffffff;
    }

    .sidebar,
    .topbar,
    .mobile-bottom-nav,
    .receipt-actions,
    .alert-banner {
        display: none !important;
    }

    .app-body,
    .app-shell {
        display: block;
        padding: 0;
    }

    .receipt {
        max-width: none;
        border: 0;
        box-shadow: none;
    }
}

.test-clock {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-width: 128px;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 8px;
    background: rgba(14, 165, 233, 0.12);
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.test-clock.danger {
    background: rgba(239, 68, 68, 0.14);
    color: #b91c1c;
}

.test-shell {
    display: grid;
    grid-template-columns: minmax(180px, 240px) minmax(0, 1fr);
    gap: 18px;
    align-items: start;
}

.test-palette {
    position: sticky;
    top: 18px;
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
}

.palette-dot {
    aspect-ratio: 1;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.72);
    color: var(--text);
    font-weight: 800;
}

.palette-dot.answered {
    background: rgba(16, 185, 129, 0.18);
    border-color: rgba(16, 185, 129, 0.45);
}

.palette-dot.review {
    background: rgba(245, 158, 11, 0.18);
    border-color: rgba(245, 158, 11, 0.5);
}

.legend-stack {
    display: grid;
    gap: 8px;
    margin: 14px 0;
    color: var(--muted);
    font-size: 0.82rem;
}

.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    margin-right: 6px;
    border-radius: 999px;
    border: 1px solid var(--border);
    vertical-align: middle;
}

.legend-dot.answered {
    background: #10b981;
}

.legend-dot.review {
    background: #f59e0b;
}

.test-question-stack {
    display: grid;
    gap: 16px;
}

.question-meta {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    color: var(--muted);
}

.question-text {
    margin: 16px 0;
    font-size: 1rem;
    line-height: 1.65;
}

.option-list {
    display: grid;
    gap: 10px;
}

.option-card {
    display: flex;
    gap: 10px;
    align-items: center;
    min-height: 48px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: rgba(248, 250, 252, 0.72);
}

.option-card span {
    display: flex;
    gap: 10px;
    align-items: center;
}

.answer-input input {
    max-width: 320px;
}

.review-check {
    margin-top: 14px;
}

.import-panel {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
}

.form-hint {
    color: var(--muted);
    font-size: 0.82rem;
}

@media (max-width: 860px) {
    .test-shell {
        grid-template-columns: 1fr;
    }

    .test-palette {
        position: static;
    }

    .palette-grid {
        grid-template-columns: repeat(8, 1fr);
    }

    .question-meta {
        display: grid;
    }
}