:root {
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-navy: #0f172a;
    --color-surface: #ffffff;
    --color-surface-soft: #f8fafc;
    --color-background: #f1f5f9;
    --color-text: #1e293b;
    --color-muted: #64748b;
    --color-border: #e2e8f0;

    --color-success: #16a34a;
    --color-success-bg: #dcfce7;
    --color-success-border: #bbf7d0;

    --color-warning: #d97706;
    --color-warning-bg: #fef3c7;
    --color-warning-border: #fde68a;

    --color-danger: #dc2626;
    --color-danger-bg: #fee2e2;
    --color-danger-border: #fecaca;

    --color-info: #0284c7;
    --color-info-bg: #e0f2fe;
    --color-info-border: #bae6fd;

    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
    --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.05);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --container-width: 1200px;
    --sidebar-width: 250px;

    --sidebar-bg: var(--color-surface);
    --sidebar-border: var(--color-border);
    --sidebar-link: var(--color-muted);
    --sidebar-hover-bg: var(--color-surface-soft);
    --sidebar-hover-text: var(--color-navy);
    --sidebar-active-bg: var(--color-primary);
    --sidebar-active-text: #ffffff;
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background: var(--color-background);
    color: var(--color-text);
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, Tahoma, sans-serif;
    line-height: 1.5;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--color-primary-hover);
}

.container {
    width: min(var(--container-width), 94%);
    margin: 0 auto;
}


h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--color-navy);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(1.6rem, 4vw, 2.2rem);
}

h2 {
    font-size: clamp(1.3rem, 3vw, 1.7rem);
}

h3 {
    font-size: clamp(1.1rem, 2.5vw, 1.35rem);
}


.page-content {
    padding: 40px 0 60px;
    min-height: calc(100vh - 128px);
}


.topbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 30;
    box-shadow: var(--shadow-sm);
}

.topbar-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.brand {
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--color-navy);
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-inline-start: 0;
    margin-inline-end: auto;
    text-align: start;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-inline-start: auto;
}

.lang-link {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface-soft);
    color: var(--color-text);
}

.lang-link:hover {
    background: var(--color-border);
    color: var(--color-navy);
}

.btn-logout {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-danger);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    transition: background 0.15s ease;
}

.btn-logout:hover {
    background: var(--color-danger-bg);
}

.footer {
    border-top: 1px solid var(--color-border);
    background: var(--color-surface);
    padding: 20px 0;
    text-align: center;
    color: var(--color-muted);
    font-size: 0.85rem;
    box-shadow: 0 -1px 3px rgba(15, 23, 42, 0.02);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: 0;
    cursor: pointer;
    padding: 0;
    z-index: 40;
}

.menu-toggle .bar {
    width: 100%;
    height: 2.5px;
    background-color: var(--color-navy);
    border-radius: 999px;
    transition: all 0.25s ease;
}


.admin-shell {
    display: grid;
    grid-template-columns: var(--sidebar-width) 1fr;
    min-height: calc(100vh - 64px);
    position: relative;
}

.sidebar {
    background: var(--sidebar-bg);
    border-inline-end: 1px solid var(--sidebar-border);
    padding: 24px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 25;
}

.sidebar a {
    color: var(--sidebar-link);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.15s ease;
}

.sidebar a:hover {
    background: var(--sidebar-hover-bg);
    color: var(--sidebar-hover-text);
}

.sidebar a.active {
    background: var(--sidebar-active-bg);
    color: var(--sidebar-active-text);
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.sidebar-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(4px);
    z-index: 22;
    transition: opacity 0.25s ease;
}

.admin-main {
    min-width: 0;
    padding: 32px 40px;
    background: var(--color-surface-soft);
}


.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    padding: 10px 20px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    background: var(--color-primary);
    color: #ffffff;
    gap: 8px;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
    min-height: 42px;
}

.btn:hover {
    background: var(--color-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-secondary {
    background: #475569;
    color: #ffffff;
}

.btn-secondary:hover {
    background: #334155;
    color: #ffffff;
}

.btn-success {
    background: var(--color-success);
    color: #ffffff;
}

.btn-success:hover {
    background: #15803d;
    color: #ffffff;
}

.btn-danger {
    background: var(--color-danger);
    color: #ffffff;
}

.btn-danger:hover {
    background: #b91c1c;
    color: #ffffff;
}

.btn-warning {
    background: var(--color-warning);
    color: #ffffff;
}

.btn-warning:hover {
    background: #b45309;
    color: #ffffff;
}

.btn-light {
    background: var(--color-surface);
    border-color: var(--color-border);
    color: var(--color-text);
    box-shadow: none;
}

.btn-light:hover {
    background: var(--color-surface-soft);
    color: var(--color-navy);
}

.btn-ghost {
    background: transparent;
    color: var(--color-muted);
    box-shadow: none;
}

.btn-ghost:hover {
    background: var(--color-surface-soft);
    color: var(--color-navy);
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.82rem;
    min-height: 32px;
    border-radius: var(--radius-sm);
}

.btn-disabled,
.btn:disabled {
    opacity: 0.6;
    pointer-events: none;
    transform: none !important;
    box-shadow: none !important;
}


.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card h2,
.card h3 {
    margin-top: 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--color-surface-soft);
    padding-bottom: 12px;
}

.card p {
    color: var(--color-muted);
    margin-bottom: 16px;
}

.card-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 24px;
}


.form-card {
    max-width: 760px;
    margin: 0 auto;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.form-grid.full {
    grid-template-columns: 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-group.full {
    grid-column: 1 / -1;
}

label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-text);
}

.required::after {
    content: ' *';
    color: var(--color-danger);
}

input,
select,
textarea {
    width: 100%;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.15s ease;
    min-height: 42px;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

input::placeholder {
    color: #a0aec0;
}


.alert {
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-bottom: 20px;
    border: 1px solid transparent;
    font-weight: 500;
    font-size: 0.92rem;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: alertSlide 0.2s ease-out;
}

.alert-success {
    color: #15803d;
    background: var(--color-success-bg);
    border-color: var(--color-success-border);
}

.alert-danger {
    color: #b91c1c;
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

.alert-warning {
    color: #b45309;
    background: var(--color-warning-bg);
    border-color: var(--color-warning-border);
}

.alert-info {
    color: #0369a1;
    background: var(--color-info-bg);
    border-color: var(--color-info-border);
}

@keyframes alertSlide {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

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


.table-wrap {
    width: 100%;
    overflow-x: auto;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 800px;
}

th,
td {
    padding: 16px 20px;
    border-bottom: 1px solid var(--color-border);
    text-align: start;
    vertical-align: middle;
}

th {
    background: var(--color-surface-soft);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--color-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

tr:last-child td {
    border-bottom: 0;
}

tr:hover td {
    background: var(--color-surface-soft);
}

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


.badge {
    display: inline-flex;
    align-items: center;
    border-radius: 9999px;
    padding: 4px 10px;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

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

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

.badge-muted {
    background: #e2e8f0;
    color: #475569;
}


.page-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 28px;
}

.page-heading h1 {
    margin: 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 28px;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 20px;
    }
}

@media (min-width: 1280px) {
    .stats-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
    }
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    min-height: 120px;
}

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

.stat-label {
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 8px;
    line-height: 1.3;
}

.stat-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-navy);
    line-height: 1.1;
}

.progress-row {
    display: grid;
    grid-template-columns: 180px 1fr 80px;
    align-items: center;
    gap: 16px;
    margin: 16px 0;
    font-weight: 500;
}

.progress-native {
    width: 100%;
    height: 12px;
    border: 0;
    border-radius: 999px;
    overflow: hidden;
    accent-color: var(--color-primary);
    background-color: var(--color-background);
}

.progress-native::-webkit-progress-bar {
    background-color: var(--color-background);
    border-radius: 999px;
}

.progress-native::-webkit-progress-value {
    background-color: var(--color-primary);
    border-radius: 999px;
}


.filter-bar {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr auto;
    gap: 16px;
    align-items: end;
    margin-bottom: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow-sm);
}

.filter-bar .form-group {
    margin: 0;
}


.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px 36px;
}

.detail-item {
    border-bottom: 1px dashed var(--color-border);
    padding: 10px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-item strong {
    color: var(--color-muted);
    font-weight: 600;
    font-size: 0.9rem;
}

.score-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-top: 24px;
}

.score-box {
    text-align: center;
    background: var(--color-surface-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
}

.score-box span {
    font-size: 0.88rem;
    color: var(--color-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.score-box strong {
    font-size: 1.8rem;
    display: block;
    margin-top: 6px;
    color: var(--color-navy);
}


.assessment-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 28px;
}

.assessment-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 200px;
}

.assessment-card h2 {
    margin-top: 0;
}

.assessment-card .status-line {
    margin: 16px 0;
}


.test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
    background: var(--color-surface);
    padding: 20px 24px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.timer {
    font-size: 1.3rem;
    font-weight: 800;
    background: var(--color-danger-bg);
    color: var(--color-danger);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-danger-border);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.timer.warning-timer {
    background: var(--color-warning-bg);
    color: var(--color-warning);
    border-color: var(--color-warning-border);
}

.timer.normal-timer {
    background: var(--color-info-bg);
    color: var(--color-info);
    border-color: var(--color-info-border);
}

.question-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
}

.question-title {
    display: grid;
    gap: 8px;
    margin-bottom: 20px;
}

.question-number {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-primary);
    text-transform: uppercase;
}

.question-copy {
    display: block;
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-navy);
}

.option {
    display: flex;
    align-items: center;
    gap: 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin: 10px 0;
    cursor: pointer;
    transition: all 0.15s ease;
    min-height: 48px;
}

.option:hover {
    border-color: #93c5fd;
    background: #f0f6ff;
}

.option input[type="radio"] {
    width: 18px;
    height: 18px;
    margin: 0;
    min-height: auto;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.option-combined {
    display: flex;
    align-items: baseline;
    gap: 8px;
    min-width: 0;
    flex: 1;
}

.option-letter {
    font-weight: 700;
    color: var(--color-navy);
}

.option-text {
    line-height: 1.5;
    color: var(--color-text);
}

.question-card-english .option {
    direction: ltr;
}

.question-card-english .option-text {
    direction: ltr;
    text-align: left;
}

.question-table-text {
    min-width: 320px;
    max-width: 480px;
    line-height: 1.6;
}


.bidi-text,
.bidi-part {
    display: block;
    max-width: 100%;
}

.bidi-stack {
    display: grid;
    gap: 6px;
    width: 100%;
}

.bidi-rtl {
    direction: rtl;
    text-align: right;
    unicode-bidi: isolate;
}

.bidi-ltr {
    direction: ltr;
    text-align: left;
    unicode-bidi: isolate;
}

.bidi-auto {
    text-align: start;
    unicode-bidi: plaintext;
}

.bidi-input {
    unicode-bidi: plaintext;
    text-align: start;
}

.answer-value {
    display: inline-flex;
    align-items: baseline;
    gap: 8px;
    max-width: 100%;
}

.question-card-english .answer-value {
    direction: ltr;
}

.answer-correct {
    border-inline-start: 4px solid var(--color-success);
    background: #f0fdf4;
}

.answer-incorrect {
    border-inline-start: 4px solid var(--color-danger);
    background: #fef2f2;
}

.answer-meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 14px;
    color: var(--color-muted);
    font-size: 0.88rem;
}


.report-sheet {
    max-width: 900px;
    margin: 0 auto;
    background: #ffffff;
    padding: 40px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.report-header {
    text-align: center;
    border-bottom: 2px solid var(--color-navy);
    padding-bottom: 20px;
    margin-bottom: 28px;
}

.report-header h1 {
    margin: 0 0 8px;
    color: var(--color-navy);
}

.report-tools {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}


.bilingual-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    align-items: start;
}

.language-panel {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    background: var(--color-surface-soft);
}

.language-panel h2 {
    margin-top: 0;
    font-size: 1.1rem;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 10px;
    color: var(--color-navy);
}

.language-panel[dir="rtl"] input,
.language-panel[dir="rtl"] textarea {
    direction: rtl;
    text-align: right;
}

.language-panel[dir="ltr"] input,
.language-panel[dir="ltr"] textarea {
    direction: ltr;
    text-align: left;
}

.question-language-hint {
    margin-top: 10px;
    color: var(--color-muted);
    font-size: 0.85rem;
}

.is-hidden {
    display: none !important;
}


.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--color-muted);
    font-weight: 500;
}

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

.text-center {
    text-align: center;
}

.mt-0 {
    margin-top: 0;
}

.mt-2 {
    margin-top: 24px;
}

.mb-0 {
    margin-bottom: 0;
}


@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .admin-shell {
        grid-template-columns: 1fr;
    }

    .menu-toggle {
        display: flex;
    }

    .sidebar {
        position: fixed;
        top: 64px;
        bottom: 0;
        width: var(--sidebar-width);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: var(--shadow-lg);
    }

    html[dir="ltr"] .sidebar {
        left: 0;
        transform: translateX(-100%);
    }

    html[dir="rtl"] .sidebar {
        right: 0;
        transform: translateX(100%);
    }

    .admin-shell.sidebar-open .sidebar {
        transform: translateX(0);
    }

    .admin-shell.sidebar-open .sidebar-backdrop {
        display: block;
        opacity: 1;
    }

    .admin-main {
        padding: 24px 20px;
    }

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

@media (max-width: 768px) {
    .table-wrap {
        border: 0;
        box-shadow: none;
        background: transparent;
    }

    .table-wrap table {
        min-width: auto;
    }

    .table-wrap table thead {
        display: none;
    }

    .table-wrap table,
    .table-wrap tbody,
    .table-wrap tr,
    .table-wrap td {
        display: block;
        width: 100%;
    }

    .table-wrap tr {
        margin-bottom: 20px;
        border: 1px solid var(--color-border);
        border-radius: var(--radius-lg);
        padding: 20px;
        background: var(--color-surface);
        box-shadow: var(--shadow-sm);
    }

    .table-wrap td {
        padding: 10px 0;
        border-bottom: 1px dashed var(--color-border);
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
    }

    html[dir="ltr"] .table-wrap td {
        text-align: left;
    }

    .table-wrap td::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--color-muted);
        margin-inline-end: 24px;
        font-size: 0.88rem;
        text-transform: uppercase;
        letter-spacing: 0.03em;
    }

    .table-wrap td:last-child {
        border-bottom: 0;
        padding-top: 14px;
        display: flex;
        justify-content: flex-end;
    }

    .bilingual-grid {
        grid-template-columns: 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .score-grid {
        grid-template-columns: 1fr;
    }

    .assessment-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
}

@media (max-width: 767px) {
    .stats-grid {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 12px !important;
    }
}

@media (max-width: 620px) {
    .home-grid {
        grid-template-columns: 1fr;
    }

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

    .topbar-inner {
        min-height: 58px;
    }

    .brand {
        font-size: 1.05rem;
    }

    .page-content {
        padding-top: 24px;
    }

    .card,
    .form-card,
    .question-card {
        padding: 20px;
    }

    .progress-row {
        grid-template-columns: 1fr;
        gap: 6px;
        margin: 12px 0;
    }

    .answer-meta {
        grid-template-columns: 1fr;
        gap: 6px;
    }
}


@media print {
    body {
        background: #ffffff;
        color: #000000;
        font-size: 11pt;
    }

    .topbar,
    .sidebar,
    .sidebar-backdrop,
    .footer,
    .report-tools,
    .no-print,
    .card-actions,
    .actions,
    button,
    .btn {
        display: none !important;
    }

    .admin-shell,
    .admin-main,
    .page-content {
        display: block !important;
        padding: 0 !important;
        margin: 0 !important;
        background: #ffffff !important;
    }

    .report-sheet {
        border: 0 !important;
        box-shadow: none !important;
        max-width: none !important;
        padding: 0 !important;
        margin: 0 auto !important;
    }

    .table-wrap {
        overflow: visible !important;
        box-shadow: none !important;
        border: 0 !important;
        background: #ffffff !important;
    }

    table {
        min-width: 0 !important;
        font-size: 10pt !important;
        page-break-inside: auto;
    }

    tr {
        page-break-inside: avoid;
        page-break-after: auto;
    }

    th,
    td {
        padding: 8px !important;
        border-bottom: 1px solid #000000 !important;
        color: #000000 !important;
    }

    th {
        background: #f1f5f9 !important;
        font-weight: 700 !important;
    }

    .detail-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px 20px !important;
    }

    .detail-item {
        border-bottom: 1px dashed #cccccc !important;
        padding: 6px 0 !important;
    }

    .score-grid {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 12px !important;
    }

    .score-box {
        border: 1px solid #000000 !important;
        background: #ffffff !important;
    }

    .badge {
        border: 1px solid #000000 !important;
        background: transparent !important;
        color: #000000 !important;
        padding: 2px 6px !important;
    }
}

.pdf-document {
    background: #ffffff;
    color: #1e293b;
    margin: 0;
    padding: 0;
}

.pdf-document-main {
    width: 100%;
    margin: 0;
    padding: 0;
}

.pdf-document .report-sheet {
    width: 190mm;
    max-width: 190mm;
    min-height: 260mm;
    margin: 0 auto;
    padding: 10mm;
    border: 0;
    box-shadow: none;
    background: #ffffff;
}

@page {
    size: A4;
    margin: 10mm;
}


[data-theme="dark"] {
    --color-navy: #f8fafc;
    --color-surface: #111827;
    --color-surface-soft: #172033;
    --color-background: #0b1120;
    --color-text: #e2e8f0;
    --color-border: #1f2937;

    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -4px rgba(0, 0, 0, 0.4);

    --color-success-bg: #064e3b;
    --color-success-border: #047857;
    --color-success: #34d399;

    --color-warning-bg: #78350f;
    --color-warning-border: #b45309;
    --color-warning: #fbbf24;

    --color-danger-bg: #7f1d1d;
    --color-danger-border: #b91c1c;
    --color-danger: #f87171;

    --color-info-bg: #0c4a6e;
    --color-info-border: #0369a1;
    --color-info: #38bdf8;

    --sidebar-bg: #111827;
    --sidebar-border: #1f2937;
    --sidebar-link: #94a3b8;
    --sidebar-hover-bg: #1f2937;
    --sidebar-hover-text: #f8fafc;
    --sidebar-active-bg: #2563eb;
    --sidebar-active-text: #ffffff;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background-color: #1f2937;
    color: #f8fafc;
    border-color: #374151;
}

[data-theme="dark"] input:focus,
[data-theme="dark"] textarea:focus,
[data-theme="dark"] select:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.3);
}

[data-theme="dark"] .action-btn {
    border-color: #1f2937;
    background: #172033;
}

[data-theme="dark"] .action-btn:hover {
    background: #1f2937;
    color: #3b82f6;
}

[data-theme="dark"] .logout-btn {
    background: #4c0519;
    border-color: #881337;
    color: #fca5a5;
}

[data-theme="dark"] .logout-btn:hover {
    background: var(--color-danger);
    color: #ffffff;
}

[data-theme="dark"] .sidebar a:hover {
    background: #1e293b;
    color: #f8fafc;
}

[data-theme="dark"] .sidebar a.active {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.2);
}

[data-theme="dark"] .brand-logo {
    color: #3b82f6 !important;
}


.hero-container {
    text-align: center;
    max-width: 800px;
    margin: 40px auto 48px;
    padding: 0 16px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    border-radius: 9999px;
    background: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 20px;
    border: 1px solid rgba(37, 99, 235, 0.15);
    letter-spacing: 0.02em;
    text-transform: uppercase;
}

[data-theme="dark"] .hero-badge {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
    border-color: rgba(59, 130, 246, 0.2);
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.2rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--color-navy) 30%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 18px;
    line-height: 1.15;
}

[data-theme="dark"] .hero-title {
    background: linear-gradient(135deg, #f8fafc 40%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: var(--color-muted);
    line-height: 1.6;
    max-width: 680px;
    margin: 0 auto;
}

.premium-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    margin-bottom: 60px;
}

.premium-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-sm);
}

.premium-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(37, 99, 235, 0.25);
}

[data-theme="dark"] .premium-card:hover {
    border-color: rgba(59, 130, 246, 0.3);
}

.card-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform 0.3s ease;
}

.premium-card:hover .card-icon-wrapper {
    transform: scale(1.05) rotate(1deg);
}

.card-icon {
    width: 32px;
    height: 32px;
}

.color-reg {
    background: rgba(37, 99, 235, 0.08);
    color: var(--color-primary);
}

[data-theme="dark"] .color-reg {
    background: rgba(59, 130, 246, 0.1);
    color: #60a5fa;
}

.color-emp {
    background: rgba(14, 165, 233, 0.08);
    color: #0284c7;
}

[data-theme="dark"] .color-emp {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
}

.color-adm {
    background: rgba(71, 85, 105, 0.08);
    color: #475569;
}

[data-theme="dark"] .color-adm {
    background: rgba(148, 163, 184, 0.1);
    color: #cbd5e1;
}

.premium-card .card-body {
    flex-grow: 1;
    margin-bottom: 28px;
    width: 100%;
}

.premium-card .card-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-navy);
    margin-bottom: 12px;
    text-align: center;
}

.premium-card .card-text {
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.55;
    text-align: center;
}

.premium-card .card-footer {
    width: 100%;
}

.btn-premium {
    width: 100%;
    justify-content: center;
    padding: 12px 24px;
    font-size: 0.98rem;
    border-radius: var(--radius-md);
}

.btn-secondary-premium {
    background: var(--color-surface-soft) !important;
    border: 1px solid var(--color-border) !important;
    color: var(--color-text) !important;
    box-shadow: none !important;
}

.btn-secondary-premium:hover {
    background: var(--color-border) !important;
    color: var(--color-navy) !important;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface-soft);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0;
}

.action-btn:hover {
    background: var(--color-border);
    color: var(--color-navy);
    transform: translateY(-1px);
}

.action-btn:active {
    transform: translateY(0);
}

.action-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.action-btn .icon {
    width: 20px;
    height: 20px;
}

.logout-btn {
    color: var(--color-danger);
    background: var(--color-danger-bg);
    border-color: var(--color-danger-border);
}

.logout-btn:hover {
    background: var(--color-danger) !important;
    color: #ffffff !important;
    border-color: var(--color-danger) !important;
}

[data-theme="dark"] .action-btn .icon-sun {
    display: block;
}

[data-theme="dark"] .action-btn .icon-moon {
    display: none;
}

.action-btn .icon-sun {
    display: none;
    width: 20px;
    height: 20px;
}

.action-btn .icon-moon {
    display: block;
    width: 20px;
    height: 20px;
}

.brand-logo {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    transition: color 0.15s ease;
}


.progress-container {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.progress-text {
    display: flex;
    justify-content: space-between;
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--color-navy);
    margin-bottom: 10px;
}

.progress-bar-outer {
    width: 100%;
    height: 10px;
    background: var(--color-background);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar-inner {
    height: 100%;
    background: var(--color-primary);
    border-radius: 999px;
    transition: width 0.3s ease;
}

.w-10 {
    width: 10%;
}

.w-20 {
    width: 20%;
}

.w-30 {
    width: 30%;
}

.w-40 {
    width: 40%;
}

.w-50 {
    width: 50%;
}

.w-60 {
    width: 60%;
}

.w-70 {
    width: 70%;
}

.w-80 {
    width: 80%;
}

.w-90 {
    width: 90%;
}

.w-100 {
    width: 100%;
}

.option {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--color-surface);
}

.option:hover {
    background: var(--color-surface-soft);
    border-color: var(--color-primary);
}

.option input[type="radio"] {
    margin-inline-end: 16px;
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.option-combined {
    display: flex;
    align-items: center;
    gap: 8px;
}

.option-letter {
    font-weight: 700;
    color: var(--color-primary);
}

.option-text {
    color: var(--color-text);
    font-weight: 500;
}

.option:has(input[type="radio"]:checked) {
    background: rgba(37, 99, 235, 0.08);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 1px var(--color-primary);
}

[data-theme="dark"] .option:has(input[type="radio"]:checked) {
    background: rgba(59, 130, 246, 0.12);
    border-color: var(--color-primary);
}

.test-actions {
    margin-top: 24px;
    display: flex;
    justify-content: flex-end;
}

.badge-active {
    background: rgba(37, 99, 235, 0.12);
    color: #2563eb;
    border: 1px solid rgba(37, 99, 235, 0.25);
}

.badge-completed {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-timed_out {
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-reset {
    background: rgba(107, 114, 128, 0.12);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.25);
}

.badge-invalidated {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .badge-active {
    background: rgba(56, 189, 248, 0.15);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.3);
}

[data-theme="dark"] .badge-completed {
    background: rgba(52, 211, 153, 0.15);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.3);
}

[data-theme="dark"] .badge-timed_out {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.3);
}

[data-theme="dark"] .badge-reset {
    background: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
    border-color: rgba(156, 163, 175, 0.3);
}

[data-theme="dark"] .badge-invalidated {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
}

.active-test-container {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.badge-easy {
    background: rgba(16, 185, 129, 0.12);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-medium {
    background: rgba(245, 158, 11, 0.12);
    color: #d97706;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge-hard {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.25);
}

[data-theme="dark"] .badge-easy {
    background: rgba(52, 211, 153, 0.15);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.3);
}

[data-theme="dark"] .badge-medium {
    background: rgba(251, 191, 36, 0.15);
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.3);
}

[data-theme="dark"] .badge-hard {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.3);
}

.grid-5 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}