:root {
    --assessment-bg: #f4f7fb;
    --assessment-surface: #ffffff;
    --assessment-surface-2: #edf3fb;
    --assessment-text: #112436;
    --assessment-muted: #5e748b;
    --assessment-primary: #1f6feb;
    --assessment-primary-dark: #144db0;
    --assessment-success: #0f8b6f;
    --assessment-warning: #d78c1f;
    --assessment-danger: #d64545;
    --assessment-border: #d9e4ef;
    --assessment-shadow: 0 20px 40px rgba(17, 36, 54, 0.08);
    --assessment-radius: 22px;
    --assessment-radius-sm: 16px;
}

.hidden,
[hidden] {
    display: none !important;
}

.assessment-student-shell,
.assessment-page,
.assessment-dashboard,
.assessment-reports,
.assessment-settings,
.assessment-admin {
    color: var(--assessment-text);
}

.assessment-page {
    display: grid;
    gap: 1rem;
}

.assessment-hero,
.assessment-topbar,
.assessment-toolbar,
.assessment-stats,
.assessment-layout,
.assessment-grid,
.assessment-builder,
.assessment-report-grid,
.assessment-qrcode-grid,
.assessment-log-grid,
.assessment-student-shell {
    display: grid;
    gap: 1rem;
}

.assessment-hero {
    grid-template-columns: 1.5fr 1fr;
    align-items: stretch;
}

.assessment-hero-main,
.assessment-hero-side,
.assessment-card,
.assessment-panel,
.assessment-qrcode-card,
.assessment-result-card,
.assessment-log-card,
.assessment-preview-card,
.assessment-student-card,
.assessment-modal-card {
    background: linear-gradient(180deg, var(--assessment-surface), #fbfdff);
    border: 1px solid var(--assessment-border);
    border-radius: var(--assessment-radius);
    box-shadow: var(--assessment-shadow);
}

.assessment-card,
.assessment-panel,
.assessment-qrcode-card,
.assessment-result-card,
.assessment-log-card,
.assessment-preview-card,
.assessment-student-card {
    padding: 1rem;
}

.assessment-builder-shell {
    position: relative;
}

.assessment-builder-shell.is-collapsed .assessment-builder-list,
.assessment-builder-shell.is-collapsed .assessment-builder-empty {
    display: none;
}

.assessment-empty-state {
    display: grid;
    gap: 0.3rem;
    justify-items: center;
    text-align: center;
    border: 1px dashed var(--assessment-border);
    border-radius: 18px;
    padding: 1rem;
    background: linear-gradient(180deg, rgba(31, 111, 235, 0.04), rgba(31, 111, 235, 0.015));
}

.assessment-note-stack {
    display: grid;
    gap: 0.6rem;
}

.assessment-builder-subcard {
    background: linear-gradient(180deg, #fbfdff, #f6faff);
    border: 1px solid var(--assessment-border);
    border-radius: 18px;
    padding: 0.85rem;
}

.assessment-builder-type {
    margin-top: 0.85rem;
    padding-top: 0.85rem;
    border-top: 1px dashed rgba(217, 228, 239, 0.95);
}

.assessment-sortable-ghost {
    opacity: 0.55;
    transform: scale(0.985);
}

.assessment-sortable-chosen {
    box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.12);
}

.assessment-hero-main {
    padding: 1.2rem;
}

.assessment-hero-side {
    padding: 1rem;
    background: linear-gradient(180deg, #0e1f33, #142b46);
    color: #fff;
    border: none;
}

.assessment-kicker,
.assessment-tag,
.assessment-chip,
.assessment-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border-radius: 999px;
    padding: 0.36rem 0.7rem;
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.assessment-tag,
.assessment-badge {
    background: rgba(31, 111, 235, 0.1);
    color: var(--assessment-primary);
}

.assessment-chip {
    background: var(--assessment-surface-2);
    color: var(--assessment-muted);
}

.assessment-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.85rem;
}

.assessment-metric {
    background: linear-gradient(180deg, var(--assessment-surface), #f8fbff);
    border: 1px solid var(--assessment-border);
    border-radius: 18px;
    padding: 0.95rem;
    min-height: 120px;
    display: grid;
    gap: 0.35rem;
}

.assessment-metric span {
    color: var(--assessment-muted);
    font-size: 0.9rem;
}

.assessment-metric strong {
    font-size: 1.7rem;
    line-height: 1;
}

.assessment-metric small {
    color: var(--assessment-muted);
}

.assessment-toolbar {
    grid-template-columns: 1.4fr 1fr;
    align-items: center;
}

.assessment-toolbar-actions,
.assessment-head-actions,
.assessment-card-actions,
.assessment-inline-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}

.assessment-section {
    display: grid;
    gap: 0.9rem;
}

.assessment-section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.assessment-section-head h2,
.assessment-section-head h3,
.assessment-hero-main h1,
.assessment-student-shell h1 {
    margin: 0;
}

.assessment-grid,
.assessment-builder,
.assessment-report-grid {
    grid-template-columns: 2.2fr 0.95fr;
}

.assessment-main-column,
.assessment-side-column {
    display: grid;
    gap: 1rem;
}

.assessment-list,
.assessment-question-list,
.assessment-result-list,
.assessment-log-list,
.assessment-qr-list {
    display: grid;
    gap: 0.8rem;
}

.assessment-list-item,
.assessment-question-card,
.assessment-result-row,
.assessment-log-row,
.assessment-qr-row {
    background: var(--assessment-surface);
    border: 1px solid var(--assessment-border);
    border-radius: 18px;
    padding: 0.9rem;
    box-shadow: 0 10px 22px rgba(17, 36, 54, 0.05);
}

.assessment-list-item {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: center;
}

.assessment-list-item strong,
.assessment-question-card strong,
.assessment-result-row strong,
.assessment-log-row strong {
    display: block;
}

.assessment-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.32rem 0.6rem;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 700;
    background: var(--assessment-surface-2);
    color: var(--assessment-muted);
}

.assessment-status.is-success {
    background: rgba(15, 139, 111, 0.12);
    color: var(--assessment-success);
}

.assessment-status.is-warning {
    background: rgba(215, 140, 31, 0.12);
    color: var(--assessment-warning);
}

.assessment-status.is-danger {
    background: rgba(214, 69, 69, 0.12);
    color: var(--assessment-danger);
}

.assessment-form {
    display: grid;
    gap: 0.9rem;
}

.assessment-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.8rem;
}

.assessment-field {
    display: grid;
    gap: 0.35rem;
}

.assessment-field label,
.assessment-label {
    color: var(--assessment-muted);
    font-size: 0.9rem;
    font-weight: 600;
}

.assessment-field input,
.assessment-field select,
.assessment-field textarea,
.assessment-input,
.assessment-select,
.assessment-textarea {
    width: 100%;
    border: 1px solid var(--assessment-border);
    border-radius: 14px;
    background: #fff;
    padding: 0.8rem 0.95rem;
    color: var(--assessment-text);
    outline: none;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.assessment-field input:focus,
.assessment-field select:focus,
.assessment-field textarea:focus,
.assessment-input:focus,
.assessment-select:focus,
.assessment-textarea:focus {
    border-color: rgba(31, 111, 235, 0.65);
    box-shadow: 0 0 0 4px rgba(31, 111, 235, 0.12);
}

.assessment-switches {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem 0.8rem;
}

.assessment-switch {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    background: var(--assessment-surface-2);
    border-radius: 999px;
    padding: 0.4rem 0.7rem;
    font-size: 0.86rem;
    color: var(--assessment-text);
}

.assessment-question-card {
    display: grid;
    gap: 0.8rem;
}

.assessment-question-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.assessment-question-head .left,
.assessment-question-head .right {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.assessment-question-type {
    font-size: 0.78rem;
    font-weight: 800;
    color: var(--assessment-primary);
    background: rgba(31, 111, 235, 0.1);
    border-radius: 999px;
    padding: 0.32rem 0.55rem;
}

.assessment-question-rows,
.assessment-answer-rows,
.assessment-option-rows {
    display: grid;
    gap: 0.6rem;
}

.assessment-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.55rem;
    align-items: start;
}

.assessment-row > .assessment-input,
.assessment-row > .assessment-textarea,
.assessment-row > input,
.assessment-row > textarea,
.assessment-row > select {
    min-width: 0;
}

.assessment-add-row,
.assessment-add-question,
.assessment-floating-action {
    border: 0;
    border-radius: 14px;
    background: rgba(31, 111, 235, 0.1);
    color: var(--assessment-primary);
    font-weight: 700;
    padding: 0.75rem 0.95rem;
    cursor: pointer;
}

.assessment-floating-action {
    background: var(--assessment-primary);
    color: #fff;
}

.assessment-progress {
    background: rgba(31, 111, 235, 0.12);
    border-radius: 999px;
    height: 12px;
    overflow: hidden;
}

.assessment-progress > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, #1f6feb, #4c9aff);
    width: 0;
    border-radius: inherit;
}

.assessment-timer {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.45rem 0.7rem;
    border-radius: 999px;
    background: rgba(15, 139, 111, 0.12);
    color: var(--assessment-success);
    font-weight: 800;
}

.assessment-warning-box {
    background: rgba(215, 140, 31, 0.12);
    color: #8a5810;
    border: 1px solid rgba(215, 140, 31, 0.25);
    border-radius: 16px;
    padding: 0.85rem 1rem;
}

.assessment-danger-box {
    background: rgba(214, 69, 69, 0.12);
    color: var(--assessment-danger);
    border: 1px solid rgba(214, 69, 69, 0.22);
    border-radius: 16px;
    padding: 0.85rem 1rem;
}

.assessment-muted {
    color: var(--assessment-muted);
}

.assessment-qrcode-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assessment-qr-card {
    display: grid;
    gap: 0.75rem;
}

.assessment-qr-card img {
    width: 100%;
    max-width: 260px;
    aspect-ratio: 1;
    margin-inline: auto;
    display: block;
    background: #fff;
    border-radius: 16px;
    padding: 0.5rem;
    border: 1px solid var(--assessment-border);
}

.assessment-report-grid {
    grid-template-columns: 1.5fr 1fr;
}

.assessment-chart-card {
    min-height: 320px;
}

.assessment-chart-wrap {
    position: relative;
    min-height: 280px;
}

.assessment-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 900px;
}

.assessment-table th,
.assessment-table td {
    padding: 0.7rem 0.65rem;
    border-bottom: 1px solid var(--assessment-border);
    text-align: left;
    vertical-align: top;
}

.assessment-table th {
    color: var(--assessment-muted);
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.assessment-table-responsive {
    overflow-x: auto;
}

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

.assessment-grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.assessment-check-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem;
}

.assessment-check-card {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.9rem;
    border-radius: 18px;
    border: 1px solid var(--assessment-border);
    background: linear-gradient(180deg, #fbfdff, #f7fbff);
}

.assessment-check-card input[type="checkbox"] {
    margin-top: 0.25rem;
}

.assessment-builder-row {
    display: grid;
    gap: 0.75rem;
}

.assessment-qr-preview {
    display: grid;
    place-items: center;
}

.assessment-qr-preview img {
    width: min(100%, 260px);
    border-radius: 18px;
    border: 1px solid var(--assessment-border);
    background: #fff;
    padding: 0.5rem;
}

.assessment-student-shell {
    min-height: calc(100vh - 72px);
    grid-template-columns: minmax(0, 1fr);
    padding: 0.25rem 0;
}

.assessment-student-stage {
    display: grid;
    gap: 1rem;
}

.assessment-student-top {
    display: grid;
    gap: 0.65rem;
    background: linear-gradient(180deg, #0d1c2c, #13283d);
    color: #fff;
    border-radius: 24px;
    padding: 1rem;
}

.assessment-student-top .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    align-items: center;
}

.assessment-student-grid {
    display: grid;
    grid-template-columns: 1fr minmax(280px, 420px);
    gap: 1rem;
}

.assessment-camera {
    display: grid;
    gap: 0.75rem;
}

.assessment-camera-view {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    background: #09131f;
    min-height: 320px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.assessment-camera-view video,
.assessment-camera-view canvas {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.assessment-camera-overlay {
    position: absolute;
    inset: auto 0 0 0;
    padding: 0.9rem;
    background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.65));
    color: #fff;
}

.assessment-drag-board {
    display: grid;
    gap: 0.9rem;
}

.assessment-drag-pool {
    display: grid;
    gap: 0.55rem;
    border: 1px dashed rgba(31, 111, 235, 0.28);
    border-radius: 18px;
    padding: 0.85rem;
    background: rgba(31, 111, 235, 0.05);
}

.assessment-drag-list {
    display: grid;
    gap: 0.6rem;
    min-height: 56px;
}

.assessment-drag-item {
    touch-action: none;
    cursor: grab;
}

.assessment-drag-item:active {
    cursor: grabbing;
}

.assessment-zone-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.assessment-zone-card {
    border: 1px solid var(--assessment-border);
    border-radius: 18px;
    background: #fff;
    padding: 0.85rem;
    min-height: 120px;
    display: grid;
    gap: 0.6rem;
}

.assessment-zone-card .assessment-drag-list {
    min-height: 72px;
    border-radius: 14px;
    padding: 0.45rem;
    background: rgba(244, 247, 251, 0.95);
}

.assessment-question-stage {
    display: grid;
    gap: 0.9rem;
}

.assessment-question-stage .question {
    background: var(--assessment-surface);
    border-radius: 24px;
    padding: 1rem;
    border: 1px solid var(--assessment-border);
    box-shadow: var(--assessment-shadow);
}

.assessment-question-stage .question.hidden {
    display: none;
}

.assessment-question-title {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
}

.assessment-question-title h3 {
    margin: 0;
}

.assessment-answer-list {
    display: grid;
    gap: 0.6rem;
}

.assessment-answer-option {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.8rem 0.95rem;
    border-radius: 16px;
    border: 1px solid var(--assessment-border);
    background: #fff;
}

.assessment-answer-option input {
    width: 20px;
    height: 20px;
}

.assessment-answer-option.selected {
    border-color: rgba(31, 111, 235, 0.55);
    background: rgba(31, 111, 235, 0.08);
}

.assessment-student-footer {
    display: flex;
    justify-content: space-between;
    gap: 0.65rem;
    align-items: center;
    flex-wrap: wrap;
}

.assessment-student-footer .actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.assessment-fixed-bottom {
    position: sticky;
    bottom: 0;
    z-index: 5;
    background: rgba(244, 247, 251, 0.96);
    border-top: 1px solid var(--assessment-border);
    backdrop-filter: blur(10px);
}

.assessment-button-large {
    min-height: 52px;
    padding: 0.9rem 1.15rem;
    border-radius: 16px;
    font-weight: 800;
}

.assessment-fullwidth {
    width: 100%;
}

.assessment-scan-box {
    display: grid;
    gap: 0.75rem;
    justify-items: center;
    text-align: center;
}

.assessment-scan-frame {
    width: min(100%, 360px);
    min-height: 360px;
    border-radius: 24px;
    border: 2px dashed rgba(31, 111, 235, 0.35);
    background: linear-gradient(180deg, rgba(31, 111, 235, 0.05), rgba(31, 111, 235, 0.02));
    display: grid;
    place-items: center;
    padding: 1rem;
}

.assessment-final-state {
    display: grid;
    gap: 0.85rem;
    justify-items: center;
    text-align: center;
    padding: 1rem 0;
}

.assessment-final-score {
    font-size: clamp(2.1rem, 6vw, 4rem);
    font-weight: 900;
    color: var(--assessment-primary);
}

.assessment-diff-grid {
    display: grid;
    gap: 0.7rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (max-width: 1180px) {
    .assessment-hero,
    .assessment-grid,
    .assessment-builder,
    .assessment-report-grid,
    .assessment-student-grid {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 860px) {
    .assessment-form-grid,
    .assessment-diff-grid {
        grid-template-columns: 1fr;
    }

    .assessment-metrics {
        grid-template-columns: 1fr;
    }

    .assessment-toolbar,
    .assessment-list-item {
        grid-template-columns: 1fr;
        display: grid;
        align-items: start;
    }

    .assessment-qrcode-grid {
        grid-template-columns: 1fr;
    }

    .assessment-camera-view {
        min-height: 260px;
    }
}

/* Public proof redesign */
.assessment-student-topbar {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.7rem;
    flex-wrap: wrap;
}

.assessment-student-card {
    padding: clamp(1rem, 2vw, 1.4rem);
}

.assessment-student-hero {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.assessment-student-hero-copy {
    display: grid;
    gap: 0.45rem;
}

.assessment-student-hero-meta {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.assessment-progress-hero {
    margin-top: 1rem;
}

.assessment-student-layout {
    display: grid;
    grid-template-columns: minmax(320px, 390px) minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
    margin-top: 1rem;
}

.assessment-student-side,
.assessment-student-main {
    display: grid;
    gap: 1rem;
}

.assessment-step-card,
.assessment-exam-card,
.assessment-summary-card {
    border-radius: 24px;
}

.assessment-step-card h2,
.assessment-exam-card h2,
.assessment-summary-card h2 {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.assessment-inline-actions-wide .btn,
.assessment-exam-nav .btn {
    min-height: 50px;
    justify-content: center;
}

.assessment-camera-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.7rem;
}

.assessment-camera-actions .btn {
    width: 100%;
    justify-content: center;
}

.assessment-camera-view {
    border-radius: 22px;
    overflow: hidden;
    border: 1px solid rgba(217, 228, 239, 0.9);
    background:
        radial-gradient(circle at top left, rgba(31, 111, 235, 0.14), transparent 30%),
        linear-gradient(180deg, #112436, #0b1a28);
}

.assessment-camera-view video {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
}

.assessment-scan-frame {
    min-height: 270px;
    border-radius: 22px;
    border: 1px dashed rgba(31, 111, 235, 0.28);
    background: linear-gradient(180deg, rgba(31, 111, 235, 0.06), rgba(31, 111, 235, 0.02));
    overflow: hidden;
}

.assessment-question-stage {
    min-height: 380px;
    border-radius: 22px;
    background: linear-gradient(180deg, #fbfdff, #f4f8fd);
    border: 1px solid rgba(217, 228, 239, 0.95);
    padding: 1rem;
}

.assessment-exam-nav {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
}

.assessment-switch {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    padding: 0.85rem;
    border-radius: 18px;
    background: rgba(31, 111, 235, 0.05);
    border: 1px solid rgba(31, 111, 235, 0.12);
}

.assessment-switch input {
    margin-top: 0.2rem;
}

@media (max-width: 1180px) {
    .assessment-student-layout {
        grid-template-columns: 1fr;
    }

    .assessment-question-stage {
        min-height: 320px;
    }
}

@media (max-width: 860px) {
    .assessment-student-topbar {
        justify-content: stretch;
    }

    .assessment-student-topbar .btn,
    .assessment-exam-nav .btn {
        flex: 1 1 calc(50% - 0.5rem);
    }

    .assessment-camera-actions,
    .assessment-exam-nav {
        grid-template-columns: 1fr;
    }
}