:root {
    --colour-ink: #17233c;
    --colour-muted: #667085;
    --colour-surface: #ffffff;
    --colour-canvas: #f4f6fb;
    --colour-border: #dfe4ee;
    --colour-primary: #2348c9;
    --colour-primary-dark: #17379e;
    --colour-accent: #e7edff;
    --colour-success: #18794e;
    --colour-success-bg: #e9f7ef;
    --shadow-soft: 0 14px 40px rgba(23, 35, 60, 0.08);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --space-1: 0.375rem;
    --space-2: 0.75rem;
    --space-3: 1rem;
    --space-4: 1.5rem;
    --space-5: 2rem;
    --space-6: 3rem;
    --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    min-width: 320px;
    color: var(--colour-ink);
    background: var(--colour-canvas);
    font-family: var(--font-sans);
    line-height: 1.5;
}

a { color: var(--colour-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: var(--space-2); font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1.08; letter-spacing: -0.035em; }
h2 { margin-bottom: var(--space-2); font-size: 1.45rem; }
h3 { margin-bottom: var(--space-2); }

.site-header {
    min-height: 76px;
    padding: 0 var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-5);
    background: var(--colour-surface);
    border-bottom: 1px solid var(--colour-border);
}

.brand { display: flex; align-items: center; gap: var(--space-2); color: var(--colour-ink); }
.brand:hover { text-decoration: none; }
.brand__mark { padding: 0.45rem 0.55rem; color: #fff; background: var(--colour-primary); border-radius: var(--radius-sm); font-weight: 800; letter-spacing: 0.04em; }
.brand__text { display: grid; line-height: 1.15; }
.brand__text small, .account-menu small { color: var(--colour-muted); }
.site-nav { display: flex; gap: var(--space-4); margin-right: auto; }
.site-nav a { color: var(--colour-ink); font-weight: 650; }
.account-menu { display: flex; align-items: center; gap: var(--space-3); }
.account-menu__identity { display: grid; text-align: right; line-height: 1.25; }

.page-shell { width: min(1180px, calc(100% - 3rem)); margin: 0 auto; padding: var(--space-6) 0; }
.page-heading { max-width: 760px; margin-bottom: var(--space-5); }
.page-heading p { color: var(--colour-muted); font-size: 1.05rem; }
.page-heading--split { max-width: none; display: flex; justify-content: space-between; align-items: end; gap: var(--space-4); }
.eyebrow { margin-bottom: var(--space-2); color: var(--colour-primary); font-size: 0.76rem; font-weight: 800; letter-spacing: 0.14em; text-transform: uppercase; }

.panel { background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); }
.section-block { margin-top: var(--space-5); padding: var(--space-4); }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: var(--space-3); margin-bottom: var(--space-4); }
.section-heading h2 { margin-bottom: 0; }

.button { min-height: 42px; padding: 0.65rem 1rem; display: inline-flex; align-items: center; justify-content: center; border: 1px solid transparent; border-radius: var(--radius-sm); font: inherit; font-weight: 750; cursor: pointer; }
.button:hover { text-decoration: none; }
.button--primary { color: #fff; background: var(--colour-primary); }
.button--primary:hover { background: var(--colour-primary-dark); }
.button--secondary { color: var(--colour-primary); background: var(--colour-accent); }
.button--quiet { color: var(--colour-ink); background: transparent; border-color: var(--colour-border); }
.button--wide { width: 100%; }
.button--disabled { color: var(--colour-muted); background: var(--colour-canvas); cursor: not-allowed; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
.metric-card { padding: var(--space-4); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); }
.metric-card span { display: block; color: var(--colour-muted); }
.metric-card strong { display: block; margin-top: var(--space-2); font-size: 2.2rem; }

.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { padding: 0.85rem 1rem; text-align: left; border-bottom: 1px solid var(--colour-border); }
.data-table th { color: var(--colour-muted); font-size: 0.78rem; letter-spacing: 0.04em; text-transform: uppercase; }
.data-table tbody tr:last-child td { border-bottom: 0; }
.status-pill { padding: 0.3rem 0.55rem; display: inline-block; color: var(--colour-success); background: var(--colour-success-bg); border-radius: 999px; font-size: 0.78rem; font-weight: 750; }

.auth-layout { min-height: calc(100vh - 172px); display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.8fr); align-items: center; gap: clamp(3rem, 8vw, 8rem); }
.auth-intro { max-width: 650px; }
.auth-intro > p:not(.eyebrow) { max-width: 560px; color: var(--colour-muted); font-size: 1.15rem; }
.auth-intro__exams { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-4); }
.auth-intro__exams span { padding: 0.55rem 0.8rem; background: var(--colour-accent); border-radius: 999px; color: var(--colour-primary-dark); font-size: 0.84rem; font-weight: 700; }
.auth-panel { padding: clamp(1.5rem, 4vw, 2.5rem); }
.auth-panel__help { margin: var(--space-3) 0 0; color: var(--colour-muted); font-size: 0.86rem; }

.form-panel { max-width: 680px; padding: var(--space-5); }
.form-stack { display: grid; gap: var(--space-3); }
.form-field { display: grid; gap: var(--space-1); }
.form-field label { font-weight: 700; }
.form-field input, .form-field select, .form-field textarea, .search-form input { width: 100%; min-height: 46px; padding: 0.7rem 0.85rem; border: 1px solid #bfc7d7; border-radius: var(--radius-sm); color: var(--colour-ink); background: #fff; font: inherit; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus, .search-form input:focus { outline: 3px solid rgba(35, 72, 201, 0.18); border-color: var(--colour-primary); }
.form-field__help { color: var(--colour-muted); font-size: 0.82rem; }
.form-field__help ul { margin: var(--space-1) 0 0; padding-left: 1.2rem; }
.errorlist { margin: 0; padding-left: 1.2rem; color: #a61b1b; font-size: 0.86rem; }
.form-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }
.search-form { display: grid; grid-template-columns: minmax(240px, 480px) auto; gap: var(--space-2); margin-bottom: var(--space-4); }

.message-list { margin-bottom: var(--space-4); }
.message { padding: var(--space-3); border-radius: var(--radius-sm); }
.message--success { color: var(--colour-success); background: var(--colour-success-bg); }
.message--error { color: #8f1717; background: #fdecec; }
.empty-state { padding: var(--space-5); text-align: center; }
.empty-state p { margin-bottom: 0; color: var(--colour-muted); }

.student-summary { display: grid; grid-template-columns: 1fr 1.5fr; gap: var(--space-3); }
.student-summary__primary { padding: var(--space-5); color: #fff; background: var(--colour-primary); border-radius: var(--radius-md); }
.student-summary__primary span, .student-summary__primary strong { display: block; }
.student-summary__primary strong { margin: var(--space-2) 0; font-size: 3.4rem; }
.student-summary__primary p { margin-bottom: 0; color: #dce5ff; }
.student-summary__secondary { padding: var(--space-5); }
.student-summary__secondary p:last-child { margin-bottom: 0; color: var(--colour-muted); }
.test-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-3); }
.test-card { padding: var(--space-4); }
.test-card h3 { margin-top: var(--space-3); }
.test-card p { color: var(--colour-muted); }
.review-item h2 { margin-top: var(--space-4); }
.review-item h2:first-child { margin-top: 0; }
.review-item__prompt { white-space: normal; }
.review-item__payload { max-height: 34rem; overflow: auto; padding: var(--space-3); color: var(--colour-ink); background: var(--colour-canvas); border-radius: var(--radius-sm); white-space: pre-wrap; overflow-wrap: anywhere; }

.authoring-path { margin-bottom: var(--space-4); display: flex; flex-wrap: wrap; gap: var(--space-2); color: var(--colour-muted); font-size: 0.9rem; }
.authoring-layout { display: grid; grid-template-columns: minmax(250px, 0.65fr) minmax(0, 1.35fr); align-items: start; gap: var(--space-4); }
.authoring-guide { padding: var(--space-4); }
.authoring-guide p, .authoring-guide li { color: var(--colour-muted); }
.authoring-guide ul { margin: var(--space-3) 0 0; padding-left: 1.2rem; }
.selection-panel { padding: var(--space-4); }
.selection-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3); }
.selection-card { min-height: 110px; padding: var(--space-4); display: flex; flex-direction: column; justify-content: center; gap: var(--space-1); color: var(--colour-ink); border: 1px solid var(--colour-border); border-radius: var(--radius-sm); background: var(--colour-surface); }
.selection-card:hover { border-color: var(--colour-primary); background: var(--colour-accent); text-decoration: none; }
.selection-card strong { font-size: 1.12rem; }
.selection-card span { color: var(--colour-muted); font-size: 0.86rem; overflow-wrap: anywhere; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

@media (max-width: 860px) {
    .site-header { padding: var(--space-3); flex-wrap: wrap; }
    .site-nav { order: 3; width: 100%; }
    .page-shell { width: min(100% - 2rem, 1180px); padding-top: var(--space-5); }
    .auth-layout { grid-template-columns: 1fr; gap: var(--space-4); }
    .metric-grid, .test-grid { grid-template-columns: repeat(2, 1fr); }
    .student-summary { grid-template-columns: 1fr; }
    .authoring-layout { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
    .brand__text, .account-menu__identity { display: none; }
    .site-nav { gap: var(--space-3); }
    .page-heading--split { align-items: start; flex-direction: column; }
    .metric-grid, .test-grid { grid-template-columns: 1fr; }
    .search-form { grid-template-columns: 1fr; }
    .selection-grid { grid-template-columns: 1fr; }
    .form-panel, .section-block { padding: var(--space-3); }
}


.filter-bar { display: flex; gap: var(--space-2); margin-bottom: var(--space-4); }
.filter-bar__item { padding: 0.4rem 0.9rem; color: var(--colour-ink); border: 1px solid var(--colour-border); border-radius: 999px; background: var(--colour-surface); font-weight: 650; }
.filter-bar__item:hover { text-decoration: none; background: var(--colour-accent); }
.filter-bar__item--active { color: #fff; background: var(--colour-primary); border-color: var(--colour-primary); }

.writing__task { padding: var(--space-4); }
.writing__prompt { font-size: 1.1rem; }
.writing__figure { margin: var(--space-3) 0 0; text-align: center; }
.writing__figure img { max-width: 100%; height: auto; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); }
.writing__clock { padding: 0.5rem 1rem; font-size: 1.8rem; font-weight: 800; font-variant-numeric: tabular-nums; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); background: var(--colour-surface); }
.writing__clock--low { color: #a61b1b; border-color: #a61b1b; }
.writing__form { padding: var(--space-3); }
.writing__text { width: 100%; min-height: 24rem; padding: var(--space-3); border: 1px solid #bfc7d7; border-radius: var(--radius-sm); font: inherit; font-size: 1.05rem; line-height: 1.6; resize: vertical; }
.writing__text:focus { outline: 3px solid rgba(35, 72, 201, 0.18); border-color: var(--colour-primary); }
.writing__bar { display: flex; align-items: center; gap: var(--space-3); margin-top: var(--space-3); }
.writing__count { font-weight: 700; }
.writing__count--short { color: #a61b1b; }
.writing__saved { margin-right: auto; color: var(--colour-muted); font-size: 0.86rem; }
.writing__answer { white-space: normal; overflow-wrap: anywhere; }
.model-answer + .model-answer { margin-top: var(--space-4); padding-top: var(--space-4); border-top: 1px solid var(--colour-border); }
.model-answer small { color: var(--colour-muted); font-weight: 500; }
.search-form--filters { grid-template-columns: repeat(3, minmax(160px, 1fr)) auto; max-width: 820px; }
.search-form--filters select { min-height: 46px; padding: 0.7rem 0.85rem; border: 1px solid #bfc7d7; border-radius: var(--radius-sm); font: inherit; background: #fff; }

.bank-filters { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-bottom: var(--space-3); }
.bank-filters input, .bank-filters select { min-height: 42px; padding: 0.55rem 0.75rem; border: 1px solid #bfc7d7; border-radius: var(--radius-sm); font: inherit; background: #fff; }
.bank-filters input[type="search"] { flex: 1 1 220px; }
.pager { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-1); margin: var(--space-3) 0; }
.pager__link { min-width: 38px; padding: 0.4rem 0.7rem; text-align: center; color: var(--colour-ink); border: 1px solid var(--colour-border); border-radius: var(--radius-sm); background: var(--colour-surface); font-weight: 650; }
.pager__link:hover { text-decoration: none; background: var(--colour-accent); }
.pager__link--current { color: #fff; background: var(--colour-primary); border-color: var(--colour-primary); }
.pager__info { margin-left: var(--space-2); color: var(--colour-muted); font-size: 0.86rem; }
.bank__bar { position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); padding: var(--space-2) var(--space-3); margin-bottom: var(--space-3); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); }
.bank__selectall { margin-right: auto; font-weight: 650; }
.bank__reason { flex: 1 1 200px; min-height: 40px; padding: 0.5rem 0.7rem; border: 1px solid #bfc7d7; border-radius: var(--radius-sm); font: inherit; }
.bank-item { margin-bottom: var(--space-3); padding: var(--space-3) var(--space-4); }
.bank-item--blocked { border-color: #a61b1b; background: #fff8f8; }
.bank-item__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-2); }
.bank-item__head small { color: var(--colour-muted); overflow-wrap: anywhere; }
.status-pill--blocked { color: #8f1717; background: #fdecec; }
.bank-item__why { padding: var(--space-2); color: #8f1717; background: #fdecec; border-radius: var(--radius-sm); }
.bank-item__prompt { margin-bottom: var(--space-2); }
.bank-item__figures { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-bottom: var(--space-2); }
.bank-item__figures figure { margin: 0; max-width: 340px; }
.bank-item__figures img { display: block; max-width: 100%; max-height: 260px; object-fit: contain; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); background: #fff; }
.bank-item__figures figcaption { color: var(--colour-muted); font-size: 0.82rem; }
.bank-item__answers, .bank-item__none { margin: var(--space-2) 0; color: var(--colour-muted); }
.bank-item__answers summary { cursor: pointer; color: var(--colour-primary); font-weight: 650; }
.bank-item__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-top: var(--space-2); }

.trend { display: flex; align-items: flex-end; flex-wrap: wrap; gap: var(--space-3); margin: 0; padding: 0; list-style: none; }
.trend__item { display: grid; justify-items: center; gap: 2px; }
.trend__item meter { width: 56px; height: 14px; }
.trend__item small { color: var(--colour-muted); }
.attempt { padding: var(--space-3) 0; border-bottom: 1px solid var(--colour-border); }
.attempt:last-of-type { border-bottom: 0; }
.attempt__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin-bottom: var(--space-1); }
.attempt__prompt { margin-bottom: var(--space-1); color: var(--colour-muted); }

.ai-card__note { color: var(--colour-muted); font-size: 0.9rem; }
.ai-card__criteria { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: var(--space-3) 0; }
.ai-card__criteria div { min-width: 110px; padding: var(--space-2) var(--space-3); background: var(--colour-accent); border-radius: var(--radius-sm); }
.ai-card__criteria dt { color: var(--colour-muted); font-size: 0.8rem; }
.ai-card__criteria dd { margin: 0; font-size: 1.4rem; font-weight: 800; }
.ai-card__columns { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.ai-card__mistakes { padding-left: 1.2rem; }
.ai-card__mistakes li { margin-bottom: var(--space-1); }
.ai-card__tag { padding: 0.1rem 0.5rem; color: var(--colour-primary-dark); background: var(--colour-accent); border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.ai-card del { color: #a61b1b; }
.ai-card ins { color: var(--colour-success); text-decoration: none; font-weight: 650; }
@media (max-width: 560px) { .ai-card__columns { grid-template-columns: 1fr; } }

.recorder__status { font-size: 1.1rem; }
.recorder__preview { width: 100%; margin: var(--space-2) 0; }
.recorder__buttons { display: flex; flex-wrap: wrap; gap: var(--space-2); }
[hidden] { display: none !important; }

.reading__bar { position: sticky; top: 0; z-index: 6; display: flex; align-items: center; gap: var(--space-3); padding: var(--space-2) var(--space-3); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); }
.reading__bar strong { margin-right: auto; }
.reading__saved { color: var(--colour-muted); font-size: 0.86rem; }
.reading__palette { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin: var(--space-2) 0; }
.reading__palette-label { margin: 0 var(--space-1) 0 var(--space-2); font-weight: 800; color: var(--colour-muted); }
.reading__dot { width: 30px; height: 30px; padding: 0; font: inherit; font-size: 0.8rem; font-weight: 700; color: var(--colour-ink); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: 6px; cursor: pointer; }
.reading__dot--done { color: #fff; background: var(--colour-primary); border-color: var(--colour-primary); }
.reading__panes { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); align-items: start; }
.reading__pane { max-height: calc(100vh - 210px); overflow-y: auto; padding: var(--space-4); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); }
.reading__passage + .reading__passage { margin-top: var(--space-5); padding-top: var(--space-4); border-top: 2px solid var(--colour-border); }
.reading__passage p { line-height: 1.7; }
.reading__para { display: inline-block; min-width: 1.4rem; color: var(--colour-primary); }
.reading__part { margin-top: var(--space-4); padding-bottom: var(--space-1); border-bottom: 2px solid var(--colour-primary); font-size: 1.15rem; }
.reading__group { margin-bottom: var(--space-4); }
.reading__instructions { font-style: italic; }
.reading__hint { padding: var(--space-1) var(--space-2); background: var(--colour-accent); border-radius: var(--radius-sm); }
.reading__options { padding-left: 0; list-style: none; }
.reading__options li { margin-bottom: 2px; }
.reading__item { margin-bottom: var(--space-3); }
.reading__number { display: inline-block; min-width: 1.8rem; margin-right: var(--space-1); padding: 0 0.4rem; font-weight: 800; color: #fff; background: var(--colour-primary); border-radius: 6px; text-align: center; }
.reading__choices { display: grid; gap: 4px; margin-left: 2.4rem; }
.reading__choices label { display: flex; gap: var(--space-2); }
.reading__box { min-height: 34px; min-width: 8rem; padding: 0.3rem 0.5rem; border: 1px solid #bfc7d7; border-radius: 6px; font: inherit; }
.reading__box:focus { outline: 3px solid rgba(35, 72, 201, 0.18); border-color: var(--colour-primary); }
.reading__layout { padding: var(--space-3); border: 1px solid var(--colour-border); border-radius: var(--radius-sm); }
.reading__table { width: 100%; border-collapse: collapse; }
.reading__table th, .reading__table td { padding: 0.5rem; text-align: left; border: 1px solid var(--colour-border); }
.reading__lines { margin: 0; padding-left: 1.2rem; }
.reading__lines li { margin-bottom: var(--space-2); }
.reading__lines--flow li::after { content: "\2193"; display: block; margin-top: 4px; color: var(--colour-muted); }
.reading__lines--flow li:last-child::after { content: ""; }
.reading__figure { margin: 0 0 var(--space-3); text-align: center; }
.reading__figure img { max-width: 100%; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); background: #fff; }
.reading__right td:nth-child(2) { color: var(--colour-success); font-weight: 700; }
.reading__wrong td:nth-child(2) { color: #a61b1b; font-weight: 700; }
.reading__why td { padding-top: 0; color: var(--colour-muted); }
@media (max-width: 860px) { .reading__panes { grid-template-columns: 1fr; } .reading__pane { max-height: none; } }

/* Listening audioscript on the result page */
.transcript__title { cursor: pointer; font-weight: 700; }
.transcript__note { color: var(--colour-muted); font-size: var(--text-small, 0.875rem); margin: var(--space-2, 0.5rem) 0; }
.transcript__text { max-height: 28rem; overflow-y: auto; padding-right: var(--space-2, 0.5rem); }
.transcript__line { margin: 0 0 var(--space-2, 0.5rem); line-height: 1.55; }
.transcript__marker { background: var(--colour-accent); color: inherit; font-weight: 700; padding: 0 0.25rem; border-radius: 0.2rem; }

/* Full mock */
.mock-stages { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); }
.mock-stage { border: 1px solid var(--colour-border); border-radius: var(--radius-sm); padding: var(--space-3); }
.mock-stage--locked { opacity: 0.55; }
.mock-stage--ready { border-color: var(--colour-primary); }
.mock-stage__head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-2); }
.mock-stage__head h2 { margin: 0; font-size: 1.1rem; }
.mock-stage__band { font-weight: 700; }
.mock__overall { font-size: 1.25rem; }
.mock__note { color: var(--colour-muted); font-size: 0.875rem; }
.mock__back { margin: 0 0 var(--space-3); }

/* Mistake tags */
.tag-card__head { display: flex; align-items: center; gap: var(--space-2); flex-wrap: wrap; }
.tag-card__slug { font-weight: 700; }
.tag-card__example { margin: 0; color: var(--colour-muted); }
.filter-bar { flex-wrap: wrap; align-items: center; }
.filter-bar__search { min-height: 38px; padding: 0.4rem 0.8rem; border: 1px solid var(--colour-border); border-radius: 999px; font: inherit; }

/* AI review flags in the reading and listening banks */
.status-pill--flag { color: var(--colour-danger, #a12622); background: var(--colour-danger-bg, #fdecea); }
.status-pill--check { color: var(--colour-muted); background: var(--colour-accent); }
.ai-flags { list-style: none; margin: var(--space-2) 0; padding: 0; display: grid; gap: var(--space-2); }
.ai-flag { border-left: 4px solid var(--colour-border); padding: var(--space-1) var(--space-3); }
.ai-flag p { margin: 0 0 var(--space-1); }
.ai-flag--problem { border-left-color: var(--colour-danger, #a12622); }
.ai-flag--warn { border-left-color: #c28a00; }
.ai-flag--confirmed { background: var(--colour-accent); }
.ai-flag__quote { color: var(--colour-muted); font-style: italic; }
.ai-flag__meta { color: var(--colour-muted); font-size: 0.82rem; }
.ai-flag__actions { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.model-answer__comment { color: var(--colour-muted); border-left: 3px solid var(--colour-border); padding-left: var(--space-3); }

/* PTE bank */
.pte-counts { color: var(--colour-muted); font-weight: 650; }
.pte-block { margin: var(--space-2) 0; }
.pte-block__label { margin: 0 0 var(--space-1); color: var(--colour-muted); font-size: 0.8rem; font-weight: 750; text-transform: uppercase; letter-spacing: 0.04em; }
.pte-block__text { margin: 0; line-height: 1.55; max-height: 16rem; overflow-y: auto; }
.pte-options { list-style: none; margin: var(--space-2) 0; padding: 0; display: grid; gap: var(--space-1); }
.pte-options__item { padding: var(--space-1) var(--space-3); border-left: 4px solid var(--colour-border); }
.pte-options__item--correct { border-left-color: var(--colour-success); background: var(--colour-success-bg); }
.pte-media { margin: var(--space-2) 0; }
.pte-media__image { max-width: 100%; max-height: 22rem; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); }

.builder-form { display: grid; gap: 1rem; }
.builder-note { color: var(--colour-muted); font-style: italic; }
.builder-field { display: grid; gap: 0.3rem; font-weight: 650; }
.builder-section { border: 1px solid var(--colour-border, #d9dde3); border-radius: 8px; padding: 0.75rem 1rem; display: grid; gap: 0.5rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.builder-section legend { font-weight: 750; padding: 0 0.4rem; }
.builder-slot { display: flex; justify-content: space-between; align-items: center; gap: 0.75rem; }
.builder-slot input { width: 4.5rem; }
.builder-options { display: grid; gap: 0.4rem; }

.pte-note { font-weight: 650; }
.pte-detail { padding: 0.6rem 0; border-top: 1px solid #e6e9ee; }
.pte-detail__crit { display: inline-block; margin-right: 0.8rem; padding: 0.1rem 0.5rem; background: #eef3f8; border-radius: 999px; font-size: 0.85rem; }

/* Student credentials page and the reset-password form in the student list */
.credentials { display: grid; gap: var(--space-3); }
.credentials__pair { display: flex; flex-wrap: wrap; gap: var(--space-3); margin: 0; }
.credentials__pair dt { color: var(--colour-muted); font-size: 0.82rem; }
.credentials__pair dd { margin: 0; font-size: 1.4rem; font-weight: 750; letter-spacing: 0.04em; }
.credentials__message { font-family: inherit; line-height: 1.5; }
.credentials__status { margin: 0; min-height: 1.2em; color: var(--colour-muted); text-align: right; }
.inline-form { display: inline; margin: 0; }
.link-button { padding: 0; border: 0; background: none; color: var(--colour-primary); font: inherit; text-decoration: underline; cursor: pointer; }

/* Teacher menu: grouped links that open on click, no script needed */
.nav-group { position: relative; }
.nav-group summary { padding: 0.45rem 0.7rem; border-radius: var(--radius-sm); cursor: pointer; font-weight: 650; list-style: none; }
.nav-group summary::after { content: " \25BE"; }
.nav-group[open] summary, .nav-group summary:hover { background: var(--colour-accent); }
.nav-group__items { position: absolute; z-index: 20; top: 100%; left: 0; min-width: 12rem; display: grid; padding: var(--space-1); background: var(--colour-surface); border: 1px solid var(--colour-border); border-radius: var(--radius-md); box-shadow: var(--shadow-soft); }
.nav-group__items a { padding: 0.5rem 0.7rem; white-space: nowrap; }

/* Reading and Listening review page */
.review-nav { display: flex; gap: var(--space-2); }
.review-passage { display: grid; gap: var(--space-3); }
.review-passage__section, .review-passage__decision, .review-passage__notes, .review-passage__raw { padding: var(--space-3) var(--space-4); }
.review-passage__section h2 small { color: var(--colour-muted); font-weight: 500; }
.review-passage__audio { width: 100%; margin-bottom: var(--space-2); }
.review-passage__text summary { cursor: pointer; color: var(--colour-primary); font-weight: 650; margin-bottom: var(--space-2); }
.review-passage textarea { resize: vertical; overflow: hidden; }
.review-passage textarea, .review-passage input[type="text"] { width: 100%; padding: 0.5rem 0.65rem; border: 1px solid #bfc7d7; border-radius: var(--radius-sm); font: inherit; background: #fff; }
.review-passage__para { display: grid; grid-template-columns: 2.2rem 1fr; gap: var(--space-2); margin-bottom: var(--space-2); font-weight: 700; }
.review-passage__instructions { font-weight: 650; }
.review-passage__options { margin: 0 0 var(--space-2); padding-left: 1.2rem; }
.review-passage__layout { margin-bottom: var(--space-2); padding: var(--space-2); background: var(--colour-accent); border-radius: var(--radius-sm); }
.review-passage__layout p { margin: 0 0 var(--space-1); }
.review-passage__questions { display: grid; gap: var(--space-3); }
.review-q { display: grid; grid-template-columns: 3rem 1fr 11rem; gap: var(--space-2); align-items: start; padding-left: var(--space-2); border-left: 4px solid transparent; }
.review-q--flagged { border-left-color: #c28a00; }
.review-q__number { font-weight: 750; }
.review-q__key { display: grid; gap: var(--space-1); font-weight: 650; }
.review-q__why, .review-q .ai-flags { grid-column: 2 / -1; margin: 0; }
.review-passage__raw pre { max-height: 24rem; overflow: auto; }
@media (max-width: 700px) { .review-q { grid-template-columns: 1fr; } .review-q__why, .review-q .ai-flags { grid-column: 1; } }

/* Review tasks hub and cards */
.review-hub { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: var(--space-3); margin-bottom: var(--space-3); }
.review-hub__card { display: grid; gap: var(--space-1); padding: var(--space-3) var(--space-4); color: var(--colour-ink); text-decoration: none; }
.review-hub__card:hover { border-color: var(--colour-primary); }
.review-hub__card--done { opacity: 0.6; }
.review-hub__card--ready { border-color: var(--colour-success); }
.review-hub__count { font-size: 2rem; line-height: 1; }
.review-hub__title { font-weight: 750; }
.review-hub__card small { color: var(--colour-muted); }
.review-hub__others { margin: 0; padding-left: 1.2rem; display: grid; gap: var(--space-1); }
.review-cards { gap: var(--space-3); }
.review-card { padding: var(--space-3) var(--space-4); display: grid; gap: var(--space-2); }
.review-card__head { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.review-card__head small { color: var(--colour-muted); }
.review-card__open { margin-left: auto; }
.review-card__reason { margin: 0; font-weight: 650; }
.review-card__aiscript, .review-card__none { margin: 0; color: var(--colour-muted); font-size: 0.88rem; }
.review-card__question { display: grid; gap: var(--space-1); }
.review-card__excerpt { padding: var(--space-2); background: var(--colour-accent); border-radius: var(--radius-sm); }
.review-card__excerpt p { margin: var(--space-1) 0 0; }
.review-card__actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.review-card__actions .bank__reason { flex: 1 1 12rem; max-width: 22rem; }
.review-card__material summary { cursor: pointer; color: var(--colour-primary); font-weight: 650; }
.review-card__material p { margin: var(--space-1) 0; }

/* Editable answer options and review group cards */
.review-options { display: grid; gap: var(--space-1); margin-bottom: var(--space-2); }
.review-options__row { display: grid; grid-template-columns: 2rem 1fr; gap: var(--space-2); align-items: center; }
.review-group__flags { margin: 0 0 var(--space-2); }
.review-group__row { display: grid; grid-template-columns: 3rem 1fr 11rem; gap: var(--space-2); align-items: start; padding: var(--space-2) 0 var(--space-2) var(--space-2); border-left: 4px solid transparent; border-top: 1px solid var(--colour-border); }
.review-group__row--flagged { border-left-color: #c28a00; }
.review-group__row .ai-flags, .review-group__row .review-card__excerpt { grid-column: 2 / -1; margin: 0; }
@media (max-width: 700px) { .review-group__row { grid-template-columns: 1fr; } .review-group__row .ai-flags, .review-group__row .review-card__excerpt { grid-column: 1; } }

/* Any-order question group: one set of tick boxes */
.reading__checks { display: grid; gap: 4px; margin: 0 0 var(--space-3) 2.4rem; }
.reading__check { display: flex; gap: var(--space-2); }
.review-anyorder { display: flex; gap: var(--space-2); align-items: center; font-weight: 650; margin-bottom: var(--space-2); }
.review-card__warn { color: #8f1717; font-weight: 650; }
.source-ref { margin: 0; color: var(--colour-muted); font-size: 0.88rem; }
.source-ref__file { text-decoration: underline dotted; cursor: help; }
.review-group__book { grid-column: 2 / -1; margin: 0; font-size: 0.88rem; color: var(--colour-muted); }
.review-group__book--same { color: var(--colour-success); font-weight: 650; }
.review-group__book--different { color: #8f1717; font-weight: 750; }
@media (max-width: 700px) { .review-group__book { grid-column: 1; } }

/* Printable review sheet */
.review-sheet__group { padding: var(--space-3) var(--space-4); margin-bottom: var(--space-3); break-inside: avoid-page; }
.review-sheet__group h2 small { color: var(--colour-muted); font-weight: 500; }
.review-sheet__ins { font-weight: 650; margin: var(--space-1) 0; }
.review-sheet__options span { margin-right: var(--space-3); }
.review-sheet__table td p { margin: 0 0 var(--space-1); }
.review-sheet__excerpt { color: var(--colour-muted); }
.review-sheet__book--same { color: var(--colour-success); font-weight: 650; }
.review-sheet__book--different { color: #8f1717; font-weight: 750; }
.review-sheet__decision { white-space: nowrap; font-size: 0.85rem; }
@media print {
    .site-header, .review-sheet__head .review-nav { display: none; }
    .page-shell { padding: 0; max-width: none; }
    .panel { box-shadow: none; border-color: #999; }
    .review-sheet__table { font-size: 0.8rem; }
}
.review-card__suggest { margin: 0; padding: var(--space-2); background: var(--colour-accent); border-radius: var(--radius-sm); display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); }
.review-card__bulk { background: var(--colour-accent); }

/* PTE estimated skill scores */
.pte-skills__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(7.5rem, 1fr)); gap: 0.75rem; }
.pte-skills__cell { display: flex; flex-direction: column; gap: 0.15rem; padding: 0.75rem; border: 1px solid var(--colour-border); border-radius: var(--radius-sm); }
.pte-skills__cell--overall { background: var(--colour-accent); }
.pte-skills__name { font-size: 0.85rem; color: var(--colour-muted); }
.pte-skills__score { font-size: 1.75rem; line-height: 1.1; }
.pte-skills__margin { font-size: 0.8rem; color: var(--colour-muted); }