:root {
    --bg: #f4efe7;
    --bg-strong: #fdf9f2;
    --card: rgba(255, 252, 247, 0.92);
    --line: rgba(39, 57, 82, 0.12);
    --text: #1f2d3d;
    --muted: #6f7d90;
    --primary: #0f6d66;
    --primary-dark: #0c4e4a;
    --accent: #f2994a;
    --danger: #d64545;
    --success: #2b8a3e;
    --shadow: 0 20px 45px rgba(37, 46, 71, 0.12);
    --radius: 22px;
}

* { box-sizing: border-box; }
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(242, 153, 74, 0.18), transparent 28%),
        radial-gradient(circle at bottom right, rgba(15, 109, 102, 0.14), transparent 32%),
        var(--bg);
}
a { color: inherit; text-decoration: none; }
img,
video { max-width: 100%; }

.shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 280px 1fr;
}

.sidebar {
    padding: 28px 22px;
    background: linear-gradient(180deg, #17344c 0%, #0f2438 100%);
    color: #eff7ff;
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-mark {
    width: 52px;
    height: 52px;
    border-radius: 18px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--accent), #ffd08a);
    color: #17344c;
    font-weight: 700;
}

.brand small,
.user-card span,
.eyebrow,
.hint { color: rgba(255, 255, 255, 0.72); }

.nav {
    display: grid;
    gap: 8px;
}

.nav-title {
    margin: 0 0 4px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav a {
    padding: 14px 15px;
    border-radius: 16px;
    color: rgba(255, 255, 255, 0.92);
    font-size: 16px;
    font-weight: 800;
    background: rgba(255, 255, 255, 0.04);
}

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

.nav a:hover { background: rgba(255, 255, 255, 0.08); }

.sidebar-foot {
    margin-top: auto;
    display: grid;
    gap: 14px;
}

.user-card,
.panel,
.metric,
.hero-card,
.message,
.table-wrap,
.question-card,
.attempt-summary {
    background: var(--card);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

.user-card {
    padding: 14px;
    color: white;
    background: rgba(255, 255, 255, 0.08);
}

.main { padding: 28px; }

.topbar {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    align-items: flex-start;
    margin-bottom: 22px;
}

.topbar h1 { margin: 6px 0 0; font-size: clamp(28px, 3vw, 42px); }
.eyebrow {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 12px;
    margin: 0;
    color: var(--muted);
}

.actions,
.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.btn {
    border: 0;
    border-radius: 14px;
    padding: 13px 19px;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.15s ease, opacity 0.15s ease;
}

.btn-big {
    min-height: 54px;
    padding: 15px 22px;
    font-size: 17px;
}

.btn-primary { background: var(--primary); color: white; }
.btn-secondary { background: #17344c; color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-ghost { background: rgba(255, 255, 255, 0.12); color: white; }
.btn-light { background: white; color: var(--primary-dark); border: 1px solid var(--line); }
.btn-block { width: 100%; }

.messages { display: grid; gap: 10px; margin-bottom: 18px; }
.message { padding: 14px 16px; }
.message-success { border-left: 6px solid var(--success); }
.message-error { border-left: 6px solid var(--danger); }
.message-warning { border-left: 6px solid var(--accent); }

.hero-grid,
.card-grid,
.metrics-grid,
.dashboard-grid {
    display: grid;
    gap: 18px;
}

.simple-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 18px;
}

.simple-card,
.simple-note {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow);
}

.simple-card {
    display: grid;
    gap: 8px;
    min-height: 150px;
    padding: 18px;
    color: inherit;
}

.simple-card-primary {
    background: linear-gradient(135deg, rgba(15, 109, 102, 0.94), rgba(23, 52, 76, 0.98));
    color: white;
}

.simple-card strong {
    font-size: 20px;
}

.simple-card small {
    color: var(--muted);
    font-size: 15px;
    line-height: 1.45;
}

.simple-card-primary small {
    color: rgba(255, 255, 255, 0.78);
}

.step-number {
    display: inline-grid;
    place-items: center;
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: rgba(242, 153, 74, 0.22);
    color: #8a4c00;
    font-weight: 900;
}

.simple-card-primary .step-number {
    background: rgba(255, 255, 255, 0.18);
    color: white;
}

.simple-note {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
    padding: 16px 18px;
    border-left: 8px solid var(--accent);
}

.simple-note strong {
    flex: 0 0 auto;
    font-size: 18px;
}

.simple-note span {
    color: var(--muted);
    line-height: 1.5;
}

.fact-lab {
    display: grid;
    gap: 18px;
    margin-bottom: 18px;
    background:
        radial-gradient(circle at 8% 20%, rgba(242, 153, 74, 0.18), transparent 28%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(15, 109, 102, 0.08)),
        var(--card);
}

.fact-lab-head,
.fact-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.fact-lab-head h2 {
    margin: 4px 0 6px;
}

.fact-counter {
    flex: 0 0 auto;
    padding: 9px 13px;
    border-radius: 999px;
    background: rgba(23, 52, 76, 0.08);
    color: var(--primary-dark);
    font-weight: 900;
}

.fact-stage {
    position: relative;
    min-height: 260px;
}

.fact-slide {
    min-height: 260px;
    padding: 22px;
    border-radius: 24px;
    border: 1px solid rgba(15, 109, 102, 0.16);
    background:
        linear-gradient(135deg, rgba(15, 109, 102, 0.94), rgba(23, 52, 76, 0.98));
    color: white;
    box-shadow: 0 18px 36px rgba(23, 52, 76, 0.18);
}

.fact-slide[hidden] {
    display: none;
}

.fact-slide h3 {
    margin: 12px 0 10px;
    font-size: clamp(24px, 4vw, 38px);
}

.fact-slide p {
    max-width: 760px;
    margin: 14px 0 0;
    color: rgba(255, 255, 255, 0.84);
    font-size: 18px;
    line-height: 1.55;
}

.formula {
    display: inline-flex;
    max-width: 100%;
    padding: 13px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.14);
    border: 1px solid rgba(255, 255, 255, 0.24);
    font-family: "Trebuchet MS", "Avenir Next", "Segoe UI", sans-serif;
    font-size: clamp(22px, 4vw, 34px);
    font-weight: 900;
    overflow-wrap: anywhere;
}

.hero-grid { grid-template-columns: 1.2fr 1fr; }
.card-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.metrics-grid { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.dashboard-grid { grid-template-columns: 1.2fr 0.8fr; }

.hero-card,
.panel,
.metric,
.question-card,
.attempt-summary,
.table-wrap {
    padding: 22px;
}

.hero-card-primary {
    background: linear-gradient(135deg, rgba(15, 109, 102, 0.94), rgba(23, 52, 76, 0.98));
    color: white;
}

.author-credit {
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid rgba(255, 255, 255, 0.28);
    font-weight: 700;
}

.metric-value {
    font-size: 34px;
    font-weight: 700;
    margin: 10px 0 4px;
}

.metric-label,
.muted { color: var(--muted); }

.subject-picker {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
    gap: 18px;
    align-items: end;
    margin-bottom: 18px;
    background:
        linear-gradient(135deg, rgba(15, 109, 102, 0.1), rgba(242, 153, 74, 0.12)),
        var(--card);
}

.subject-picker h3,
.section-heading h3 {
    margin: 4px 0 0;
}

.subject-picker p {
    margin-bottom: 0;
}

.subject-picker-form {
    display: grid;
    gap: 10px;
}

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

.subject-picker-form label {
    font-weight: 700;
}

.subject-select {
    min-height: 52px;
    border-color: rgba(15, 109, 102, 0.22);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 252, 247, 0.96));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.subject-picker-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.section-heading {
    margin: 2px 0 14px;
}

.form-card {
    max-width: 860px;
}

.field {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.field label {
    font-weight: 700;
}

.input,
select,
textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="datetime-local"],
input[type="file"] {
    width: 100%;
    border: 1px solid rgba(31, 45, 61, 0.15);
    border-radius: 14px;
    padding: 12px 14px;
    background: rgba(255, 255, 255, 0.95);
    font: inherit;
    font-size: 16px;
}

input[type="checkbox"],
input[type="radio"] { accent-color: var(--primary); }

.hint { color: var(--muted); }
.error { color: var(--danger); }

.table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th, td {
    text-align: left;
    padding: 14px 12px;
    border-bottom: 1px solid var(--line);
}
th { color: var(--muted); font-size: 14px; }

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}
.badge-soft { background: rgba(242, 153, 74, 0.18); color: #8a4c00; }
.badge-outline { border: 1px solid rgba(255, 255, 255, 0.16); color: white; }
.badge-success { background: rgba(43, 138, 62, 0.14); color: var(--success); }
.badge-danger { background: rgba(214, 69, 69, 0.14); color: var(--danger); }
.badge-info { background: rgba(15, 109, 102, 0.12); color: var(--primary-dark); }

.ai-status-card {
    display: grid;
    gap: 8px;
    margin-bottom: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
}

.ai-status-ready {
    background: linear-gradient(135deg, rgba(43, 138, 62, 0.14), rgba(255, 255, 255, 0.86));
}

.ai-status-muted {
    background: linear-gradient(135deg, rgba(242, 153, 74, 0.14), rgba(255, 255, 255, 0.86));
}

.ai-status-card p {
    margin: 0;
}

.question-list {
    display: grid;
    gap: 14px;
}

.question-card.correct { border-left: 6px solid var(--success); }
.question-card.incorrect { border-left: 6px solid var(--danger); }

.question-actions,
.inline-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.feature-list,
.compact-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
}

.code-sample {
    overflow: auto;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(23, 52, 76, 0.06);
    color: var(--ink);
    font-size: 14px;
    line-height: 1.55;
}

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

.template-card {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.72);
    color: inherit;
    text-decoration: none;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.template-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.template-card span {
    color: var(--muted);
    font-size: 14px;
}

.timer-box {
    padding: 16px 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, #17344c, #0f6d66);
    color: white;
    min-width: 170px;
}

.timer-box strong {
    display: block;
    font-size: 30px;
    margin-top: 6px;
}

.matching-grid {
    display: grid;
    gap: 12px;
}

.split {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.form-wide {
    max-width: 1180px;
}

.selection-card {
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.72);
    max-height: 520px;
    overflow: auto;
}

.selection-card-compact {
    max-height: 260px;
}

.selection-card ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
}

.selection-card label,
.selection-card li label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.toggle-row {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    min-height: 52px;
    border: 1px solid rgba(31, 45, 61, 0.1);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.68);
    font-weight: 700;
}

.toggle-row input[type="checkbox"] {
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    padding: 0;
    border-radius: 5px;
}

.settings-grid,
.trash-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin-top: 18px;
    align-items: stretch;
}

.settings-block {
    display: flex;
    flex-direction: column;
    gap: 14px;
    padding: 18px;
    border-radius: 22px;
    border: 1px solid var(--line);
    box-shadow: 0 14px 34px rgba(37, 46, 71, 0.08);
}

.settings-block h3 {
    margin: 4px 0 0;
}

.settings-block-mode {
    background: linear-gradient(135deg, rgba(15, 109, 102, 0.14), rgba(255, 255, 255, 0.86));
}

.settings-block-results {
    background: linear-gradient(135deg, rgba(242, 153, 74, 0.18), rgba(255, 255, 255, 0.86));
}

.settings-block-proctoring {
    background: linear-gradient(135deg, rgba(23, 52, 76, 0.13), rgba(255, 255, 255, 0.86));
}

.toggle-grid,
.trash-list {
    display: grid;
    gap: 10px;
}

.compact-field {
    margin-bottom: 0;
}

.split-compact {
    gap: 12px;
}

.trash-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    margin-top: 0;
}

.trash-panel {
    display: grid;
    align-content: start;
    gap: 14px;
}

.trash-item {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
}

.trash-item p {
    margin: 6px 0 0;
}

.proctoring-panel,
.monitor-grid,
.monitor-thumbs {
    display: grid;
    gap: 16px;
}

.proctoring-panel {
    grid-template-columns: 1fr 1fr;
    margin-bottom: 18px;
}

.proctoring-status {
    padding: 18px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid var(--line);
}

.proctoring-hold {
    margin-bottom: 18px;
}

.proctoring-content.is-hidden {
    display: none;
}

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

.proctoring-previews video,
.monitor-video,
.monitor-thumbs img {
    width: 100%;
    min-height: 180px;
    object-fit: cover;
    border-radius: 18px;
    background: #0f2438;
}

.monitor-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.monitor-card {
    display: grid;
    gap: 14px;
}

.monitor-card-header {
    align-items: start;
}

.monitor-account,
.monitor-title {
    margin: 0;
}

.monitor-account {
    font-size: 1.02rem;
}

.monitor-account-subtitle,
.monitor-source {
    margin: 4px 0 0;
}

.monitor-meta {
    display: grid;
    gap: 4px;
}

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

.monitor-stats p {
    margin: 0;
}

.section-card {
    background: linear-gradient(135deg, rgba(15, 109, 102, 0.08), rgba(23, 52, 76, 0.08));
}

.bank-tree {
    display: grid;
    gap: 14px;
}

.bank-node {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.72);
    box-shadow: 0 16px 34px rgba(37, 46, 71, 0.08);
    overflow: hidden;
}

.bank-node > summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 16px 18px;
    cursor: pointer;
    font-weight: 800;
    list-style: none;
}

.bank-node > summary::-webkit-details-marker {
    display: none;
}

.bank-node > summary::before {
    content: "+";
    display: inline-grid;
    place-items: center;
    width: 26px;
    height: 26px;
    flex: 0 0 auto;
    border-radius: 50%;
    background: rgba(15, 109, 102, 0.12);
    color: var(--accent);
}

.bank-node[open] > summary::before {
    content: "-";
}

.bank-subject > summary {
    background: linear-gradient(135deg, rgba(15, 109, 102, 0.14), rgba(255, 255, 255, 0.86));
}

.bank-grade {
    border-radius: 20px;
    box-shadow: none;
}

.bank-grade > summary {
    background: rgba(23, 52, 76, 0.06);
}

.bank-children {
    display: grid;
    gap: 12px;
    padding: 14px;
}

.bank-topic {
    display: grid;
    gap: 12px;
    padding: 14px;
    border: 1px dashed rgba(15, 109, 102, 0.26);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.62);
}

.bank-topic-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.bank-topic-head h4 {
    margin: 0;
}

.bank-card-grid {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

@media (max-width: 980px) {
    .shell { grid-template-columns: 1fr; }
    .sidebar {
        position: sticky;
        top: 0;
        z-index: 30;
        padding: 16px;
        gap: 14px;
        border-radius: 0 0 26px 26px;
        box-shadow: 0 18px 34px rgba(15, 36, 56, 0.2);
    }
    .brand {
        justify-content: space-between;
    }
    .brand-mark {
        width: 46px;
        height: 46px;
        border-radius: 16px;
    }
    .nav {
        display: flex;
        gap: 8px;
        margin: 0 -4px;
        padding: 2px 4px 8px;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        scrollbar-width: thin;
    }
    .nav-title {
        display: none;
    }
    .nav a {
        flex: 0 0 auto;
        white-space: nowrap;
        scroll-snap-align: start;
        background: rgba(255, 255, 255, 0.07);
    }
    .sidebar-foot {
        margin-top: 0;
        grid-template-columns: auto minmax(0, 1fr) auto;
        align-items: center;
    }
    .language-badges {
        display: flex;
        gap: 8px;
    }
    .sidebar-foot > form:not(.language-badges) {
        min-width: 116px;
    }
    .user-card {
        min-width: 0;
        padding: 10px 12px;
    }
    .user-card strong,
    .user-card span {
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .main {
        padding: 22px;
    }
    .topbar {
        align-items: stretch;
    }
    .topbar > div:first-child {
        min-width: 0;
    }
    .topbar h1 {
        overflow-wrap: anywhere;
    }
    .subject-picker {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    .filter-grid {
        grid-template-columns: 1fr;
    }
    .card-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
    .metrics-grid { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
    .hero-grid,
    .dashboard-grid,
    .simple-steps,
    .split,
    .template-grid,
    .settings-grid,
    .trash-grid,
    .proctoring-panel,
    .proctoring-previews { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    body {
        overflow-x: hidden;
    }
    .sidebar {
        padding: 14px 12px;
        border-radius: 0 0 22px 22px;
    }
    .brand {
        gap: 10px;
    }
    .brand-mark {
        width: 42px;
        height: 42px;
        border-radius: 14px;
    }
    .nav a {
        padding: 10px 12px;
        font-size: 14px;
    }
    .simple-note {
        align-items: flex-start;
        flex-direction: column;
    }
    .fact-lab-head,
    .fact-actions {
        align-items: stretch;
        flex-direction: column;
    }
    .fact-actions .btn {
        width: 100%;
    }
    .fact-slide,
    .fact-stage {
        min-height: 0;
    }
    .simple-card {
        min-height: 0;
    }
    .sidebar-foot {
        grid-template-columns: auto minmax(0, 1fr);
        gap: 10px;
    }
    .sidebar-foot .user-card {
        display: none;
    }
    .sidebar-foot > form:not(.language-badges) {
        justify-self: end;
        min-width: 104px;
    }
    .language-badges {
        justify-content: flex-start;
    }
    .main {
        padding: 16px 12px 24px;
    }
    .topbar {
        flex-direction: column;
        gap: 12px;
        margin-bottom: 16px;
    }
    .topbar h1 {
        font-size: clamp(24px, 8vw, 32px);
        line-height: 1.12;
    }
    .eyebrow {
        font-size: 10px;
        letter-spacing: 0.08em;
    }
    .actions,
    .toolbar,
    .question-actions,
    .inline-actions {
        width: 100%;
        gap: 8px;
    }
    .actions .btn,
    .toolbar .btn,
    .question-actions .btn,
    .inline-actions .btn {
        flex: 1 1 calc(50% - 8px);
        min-width: 140px;
    }
    .hero-card,
    .panel,
    .metric,
    .question-card,
    .attempt-summary,
    .table-wrap {
        padding: 16px;
        border-radius: 18px;
        box-shadow: 0 12px 28px rgba(37, 46, 71, 0.1);
    }
    .card-grid,
    .metrics-grid,
    .monitor-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
    .metric-value {
        font-size: 28px;
    }
    .field {
        margin-bottom: 12px;
    }
    .subject-picker {
        gap: 14px;
        margin-bottom: 14px;
    }
    .subject-picker-actions .btn {
        flex: 1 1 calc(50% - 8px);
        min-width: 140px;
    }
    .btn {
        width: auto;
        padding: 11px 14px;
        border-radius: 13px;
    }
    .timer-box {
        width: 100%;
        min-width: 0;
        padding: 14px 16px;
    }
    .timer-box strong {
        font-size: 26px;
    }
    .selection-card {
        max-height: 48vh;
        padding: 12px;
    }
    .toggle-row {
        align-items: flex-start;
        padding: 12px;
    }
    .settings-block,
    .trash-item {
        padding: 14px;
        border-radius: 18px;
    }
    .bank-node > summary,
    .bank-topic-head {
        align-items: flex-start;
        flex-direction: column;
    }
    .bank-node > summary::before {
        align-self: flex-start;
    }
    .bank-children,
    .bank-topic {
        padding: 10px;
    }
    .table-wrap {
        padding: 8px;
    }
    table {
        min-width: 640px;
    }
    th,
    td {
        padding: 12px 10px;
        vertical-align: top;
    }
    .compact-list {
        padding-left: 16px;
    }
    .monitor-thumbs {
        grid-template-columns: 1fr;
    }
    .proctoring-previews video,
    .monitor-video,
    .monitor-thumbs img {
        min-height: 160px;
        border-radius: 16px;
    }
}

@media (max-width: 480px) {
    .brand small {
        display: none;
    }
    .brand-mark {
        width: 38px;
        height: 38px;
        border-radius: 13px;
    }
    .nav a {
        font-size: 13px;
        padding: 9px 11px;
    }
    .actions .btn,
    .toolbar .btn,
    .question-actions .btn,
    .inline-actions .btn,
    .subject-picker-actions .btn {
        flex-basis: 100%;
        min-width: 0;
        width: 100%;
    }
    .hero-card,
    .panel,
    .metric,
    .question-card,
    .attempt-summary {
        padding: 14px;
    }
    .table-wrap {
        margin-left: -2px;
        margin-right: -2px;
    }
    .input,
    select,
    textarea,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="number"],
    input[type="datetime-local"],
    input[type="file"] {
        padding: 11px 12px;
    }
    .badge {
        max-width: 100%;
        white-space: normal;
    }
    .question-card,
    .panel,
    .trash-item,
    .settings-block {
        overflow-wrap: anywhere;
    }
}