:root {
    --ink: #14213d;
    --ink-soft: #4d5a73;
    --paper: #f7f9fc;
    --surface: #ffffff;
    --line: #dce3ee;
    --blue: #1358d8;
    --blue-dark: #0b3e9c;
    --blue-pale: #eaf1ff;
    --yellow: #ffc928;
    --red: #b42318;
    --green: #16794a;
    --shadow: 0 12px 34px rgba(20, 33, 61, .08);
    --radius: 14px;
    --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--paper);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--blue); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--blue-dark); }
button, input, textarea, select { font: inherit; }
button, .button { touch-action: manipulation; }
.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 880px); }
.article-container { width: min(calc(100% - 40px), 780px); }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 100; padding: 9px 13px; background: var(--ink); color: white; transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }

.site-header { position: relative; z-index: 20; background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-size: 1.2rem; font-weight: 760; letter-spacing: -.02em; text-decoration: none; }
.brand:hover { color: var(--ink); }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; color: var(--ink); background: var(--yellow); border-radius: 10px 10px 10px 3px; font-weight: 850; }
.site-navigation { display: flex; align-items: center; gap: 28px; }
.site-navigation a, .link-button { color: var(--ink); font-weight: 650; text-decoration: none; }
.site-navigation a:hover, .link-button:hover { color: var(--blue); }
.inline-form { display: inline; margin: 0; }
.link-button { padding: 0; border: 0; background: transparent; cursor: pointer; }
.menu-button { display: none; padding: 8px 12px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 8px; font-weight: 700; }

.admin-nav { background: var(--ink); }
.admin-nav-inner { min-height: 48px; display: flex; align-items: center; gap: 28px; overflow-x: auto; }
.admin-nav a { color: #e4ebf7; font-size: .9rem; font-weight: 650; text-decoration: none; white-space: nowrap; }
.admin-nav a:hover { color: white; }

.hero { position: relative; overflow: hidden; color: white; background: var(--ink); }
.hero::after { content: "1×"; position: absolute; right: max(20px, calc((100vw - var(--container)) / 2)); bottom: -98px; color: rgba(255,255,255,.055); font-size: clamp(13rem, 27vw, 25rem); font-weight: 850; letter-spacing: -.1em; line-height: 1; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; padding-block: clamp(76px, 11vw, 130px); }
.eyebrow { margin: 0 0 12px; color: var(--blue); font-size: .76rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.hero .eyebrow { color: var(--yellow); }
.hero h1, .page-header h1, .article-header h1, .admin-heading h1, .auth-card h1, .status-page h1 { margin: 0; font-size: clamp(2.5rem, 6vw, 5.2rem); line-height: 1.02; letter-spacing: -.055em; }
.hero-copy { max-width: 620px; margin: 24px 0 0; color: #d6deec; font-size: clamp(1.05rem, 2vw, 1.25rem); }

.section { padding-block: 72px 90px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 28px; }
.section-heading h2 { margin: 0; font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.15; letter-spacing: -.035em; }
.section-heading > p { margin: 0; color: var(--ink-soft); font-size: .9rem; font-weight: 650; }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.content-card { min-height: 286px; display: flex; flex-direction: column; padding: 24px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.content-card:hover { color: var(--ink); border-color: #aec4eb; box-shadow: var(--shadow); transform: translateY(-3px); }
.card-number { color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .12em; }
.content-card h3 { margin: 38px 0 10px; font-size: 1.45rem; line-height: 1.2; letter-spacing: -.025em; }
.content-card p { margin: 0 0 24px; color: var(--ink-soft); }
.card-meta { margin-top: auto; color: var(--ink-soft); font-size: .82rem; }
.card-action { margin-top: 14px; color: var(--blue); font-weight: 750; }
.recent-learning-section { background: #edf3fb; border-block: 1px solid #d7e1ef; }
.featured-learning-section { background: linear-gradient(135deg, #fff9df 0%, #edf5ff 100%); border-block: 1px solid #e6dcae; }
.featured-card { border-color: #d9c980; }
.featured-card:hover { border-color: #b99b25; }
.recent-topic-card { min-height: 260px; }
.recent-topic-card h3 { margin-top: 26px; }
.recent-topic-location { color: var(--blue); font-size: .73rem; font-weight: 800; letter-spacing: .055em; line-height: 1.5; text-transform: uppercase; }

.page-header { color: white; background: var(--ink); }
.page-header .narrow { padding-block: 56px 64px; }
.page-header h1, .article-header h1 { font-size: clamp(2.4rem, 5vw, 4.5rem); }
.page-header .eyebrow, .article-header .eyebrow { color: var(--yellow); }
.lead { max-width: 680px; margin: 18px 0 0; color: #d8e0ee; font-size: 1.15rem; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 36px; color: #65738b; font-size: .86rem; }
.page-header .breadcrumbs, .article-header .breadcrumbs { color: #bac6d9; }
.breadcrumbs a { color: inherit; }
.breadcrumbs a:hover { color: var(--blue); }
.page-header .breadcrumbs a:hover, .article-header .breadcrumbs a:hover { color: white; }

.list-grid { display: grid; gap: 12px; }
.list-card { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 24px 26px; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 12px; text-decoration: none; transition: border-color .2s ease, transform .2s ease; }
.list-card:hover { color: var(--ink); border-color: #a8bee5; transform: translateX(3px); }
.list-card h3 { margin: 0 0 4px; font-size: 1.2rem; }
.context-label { display: block; margin-bottom: 3px; color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.list-card p { margin: 0; color: var(--ink-soft); }
.list-card-end { display: flex; align-items: center; gap: 22px; color: var(--ink-soft); font-size: .85rem; white-space: nowrap; }
.arrow { color: var(--blue); font-size: 1.3rem; }

.topic-list { margin: 0; padding: 0; list-style: none; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.topic-list li + li { border-top: 1px solid var(--line); }
.topic-list a { display: grid; grid-template-columns: 52px 1fr auto; align-items: center; gap: 18px; padding: 22px 24px; color: var(--ink); text-decoration: none; }
.topic-list a:hover { background: var(--blue-pale); color: var(--ink); }
.topic-index { color: var(--blue); font-size: .78rem; font-weight: 800; letter-spacing: .1em; }
.topic-copy { display: grid; gap: 3px; }
.topic-copy strong { font-size: 1.08rem; }
.topic-copy > span { color: var(--ink-soft); font-size: .92rem; }

.public-search-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; max-width: 680px; margin-top: 28px; }
.public-search-form input { min-width: 0; min-height: 52px; padding: 12px 16px; color: var(--ink); background: white; border: 1px solid #a9b7cc; border-radius: 9px; }
.public-search-form input:focus { outline: 3px solid rgba(255, 201, 40, .35); border-color: var(--yellow); }
.public-search-form button { min-height: 52px; padding: 12px 22px; color: var(--ink); background: var(--yellow); border: 0; border-radius: 9px; font-weight: 800; cursor: pointer; }
.public-search-form button:hover { background: #ffd85d; }
.search-results-section { min-height: 360px; }
.search-summary { align-items: center; }
.search-result-group + .search-result-group { margin-top: 42px; }
.search-result-group > h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 1.25rem; }
.search-result-group > h3 span { display: grid; place-items: center; min-width: 27px; height: 27px; padding-inline: 7px; color: var(--blue); background: var(--blue-pale); border-radius: 999px; font-size: .75rem; }
.search-result-list { display: grid; gap: 10px; }
.search-result-list > a { display: grid; gap: 3px; padding: 18px 20px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; }
.search-result-list > a:hover { color: var(--ink); border-color: #a8bee5; background: var(--blue-pale); }
.search-result-type { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.search-result-list strong { font-size: 1.08rem; }
.search-result-list small { color: var(--ink-soft); font-size: .88rem; }

.article-wrap { background: var(--surface); }
.article-header { width: 100%; max-width: none; padding-block: 30px 44px; color: var(--ink); background: var(--surface); border-bottom: 1px solid var(--line); }
.article-header-layout { display: grid; grid-template-columns: minmax(210px, 260px) minmax(0, 740px); justify-content: center; gap: clamp(32px, 5vw, 58px); }
.article-header-content { min-width: 0; grid-column: 2; }
.article-header h1 { font-size: clamp(2.35rem, 5vw, 3.8rem); line-height: 1.08; letter-spacing: -.045em; }
.article-header .breadcrumbs { margin-bottom: 26px; color: var(--ink-soft); }
.article-header .breadcrumbs a:hover { color: var(--blue); }
.article-intro { max-width: 700px; margin-top: 18px; color: var(--ink-soft); font-size: clamp(1.05rem, 2vw, 1.2rem); line-height: 1.65; }
.article-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-top: 24px; }
.read-aloud-controls { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.read-aloud-voice-label { display: inline-flex; align-items: center; gap: 7px; color: var(--ink-soft); font-size: .78rem; font-weight: 750; }
.read-aloud-voice-label select { max-width: 230px; min-height: 44px; padding: 8px 30px 8px 10px; color: var(--ink); background: white; border: 1px solid #b9c8dc; border-radius: 8px; font: inherit; }
.read-aloud-voice-label select:disabled { color: #778196; background: #f3f5f8; cursor: not-allowed; opacity: .72; }
.read-aloud-status:not(:empty) { flex-basis: 100%; color: var(--ink-soft); font-size: .82rem; }
.read-aloud-button { display: inline-flex; align-items: center; gap: 9px; min-height: 44px; padding: 9px 15px; color: var(--blue-dark); background: white; border: 1px solid #a9bddd; border-radius: 8px; font-weight: 750; cursor: pointer; }
.read-aloud-button:hover { color: white; background: var(--blue-dark); border-color: var(--blue-dark); }
.read-aloud-secondary { min-height: 44px; padding: 9px 13px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 8px; font-weight: 700; cursor: pointer; }
.read-aloud-secondary:hover:not(:disabled) { color: var(--blue-dark); border-color: #a9bddd; background: var(--blue-pale); }
.read-aloud-button:focus-visible, .read-aloud-secondary:focus-visible { outline: 3px solid rgba(19, 88, 216, .3); outline-offset: 3px; }
.read-aloud-button:disabled, .read-aloud-secondary:disabled { color: #778196; background: #f3f5f8; border-color: var(--line); cursor: not-allowed; opacity: .72; }
.learning-layout { display: grid; grid-template-columns: minmax(210px, 260px) minmax(0, 740px); justify-content: center; gap: clamp(32px, 5vw, 58px); }
.subject-navigation { position: sticky; top: 24px; align-self: start; max-height: calc(100vh - 48px); margin-block: 48px 80px; overflow-y: auto; background: white; border: 1px solid var(--line); border-radius: 10px; }
.subject-navigation-parent { display: grid; gap: 3px; padding: 18px; color: var(--ink); background: var(--paper); border-bottom: 1px solid var(--line); text-decoration: none; }
.subject-navigation-parent:hover { color: var(--blue-dark); }
.subject-navigation-parent span { color: var(--ink-soft); font-size: .74rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }
.subject-navigation-parent strong { font-size: 1.18rem; line-height: 1.25; }
.subject-navigation-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 15px 18px 10px; color: var(--ink-soft); font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.subject-navigation-heading span:last-child { display: grid; place-items: center; min-width: 25px; height: 25px; color: var(--blue); background: var(--blue-pale); border-radius: 999px; }
.subject-navigation ol { margin: 0; padding: 0 10px 12px; list-style: none; }
.subject-navigation li + li { border-top: 1px solid var(--line); }
.subject-navigation li a { display: grid; grid-template-columns: 29px 1fr; gap: 8px; padding: 12px 9px; color: var(--ink); border-radius: 8px; text-decoration: none; }
.subject-navigation li a:hover { background: var(--paper); }
.subject-navigation li a.is-current { color: var(--blue-dark); background: var(--blue-pale); }
.subject-navigation li a > span { color: var(--ink-soft); font-size: .72rem; font-weight: 800; letter-spacing: .06em; }
.subject-navigation li a.is-current > span { color: var(--blue); }
.subject-navigation li strong { font-size: .9rem; line-height: 1.35; }
.subject-navigation-all { display: block; padding: 15px 18px; border-top: 1px solid var(--line); font-size: .82rem; font-weight: 750; }
.article-body { padding-block: 48px 82px; }
.article-content { min-width: 0; }
.lesson-content { max-width: 720px; }
.prose { color: #263653; font-family: Georgia, "Times New Roman", serif; font-size: clamp(1.05rem, 1.5vw, 1.13rem); line-height: 1.82; }
.prose p { margin: 0 0 1.45em; }
.lesson-section + .lesson-section { margin-top: 38px; }
.lesson-section h2 { margin: 0 0 16px; color: var(--ink); font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: 1.65rem; letter-spacing: -.025em; }
.lesson-panel { border: 1px solid; border-radius: 12px; }
.lesson-introduction { padding: 24px 26px 6px; background: #edf5ff; border-color: #c7dcfa; border-left: 4px solid var(--blue); }
.lesson-introduction h2 { color: var(--blue-dark); }
.lesson-explanation > h2 { padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.lesson-explanation .lesson-passage { position: relative; margin: 0 0 14px; padding: 18px 20px; border-left: 4px solid; border-radius: 0 10px 10px 0; }
.lesson-passage-tone-1 { background: #f0f6ff; border-color: #5f8fe1; }
.lesson-passage-tone-2 { background: #eef9f3; border-color: #4ca576; }
.lesson-passage-tone-3 { background: #fff8df; border-color: #d2a51d; }
.lesson-passage-tone-4 { background: #f6f1ff; border-color: #8c6bd1; }
.lesson-subheading { margin: 30px 0 13px !important; padding: 10px 14px; background: var(--paper); border: 1px solid var(--line); border-radius: 8px; font-family: Inter, ui-sans-serif, system-ui, sans-serif !important; font-size: 1.16rem !important; line-height: 1.35; }
.lesson-example-heading, .lesson-explanation .lesson-example-passage { color: #5f4700; background: #fff5cc; border-color: #d8aa1e; }
.lesson-definition-heading, .lesson-explanation .lesson-definition-passage { color: #173f78; background: #eaf3ff; border-color: #4f83cf; }
.lesson-note-heading, .lesson-explanation .lesson-note-passage { color: #165b3c; background: #e9f8f0; border-color: #45a173; }
.lesson-practice-heading, .lesson-explanation .lesson-practice-passage { color: #55348c; background: #f3ecff; border-color: #8b67c7; }
.lesson-warning-heading, .lesson-explanation .lesson-warning-passage { color: #7d2b24; background: #fff0ed; border-color: #d26b61; }
.lesson-summary { margin-top: 42px; padding: 26px 28px 6px; background: #fff9e7; border-color: #ead797; border-left: 4px solid var(--yellow); }
.lesson-summary h2 { color: #725500; }
.key-points { margin: 44px 0 34px; padding: 25px 27px; background: #edf9f2; border-color: #b9dfca; border-left: 4px solid var(--green); }
.key-points h2, .sources h2 { margin: 0 0 14px; font-size: 1.45rem; letter-spacing: -.02em; }
.key-points ul, .sources ul { margin: 0; padding-left: 22px; }
.key-points li + li, .sources li + li { margin-top: 8px; }
.sources { margin-top: 40px; padding-top: 34px; border-top: 1px solid var(--line); }
.sources li { overflow-wrap: anywhere; }
.topic-pagination { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 42px; }
.topic-pagination a { display: flex; flex-direction: column; min-height: 88px; padding: 15px 17px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; }
.topic-pagination a:hover { color: var(--ink); border-color: #a8bee5; background: var(--blue-pale); }
.topic-pagination span { margin-bottom: 8px; color: var(--blue); font-size: .77rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.topic-pagination strong { margin-top: auto; font-size: 1rem; line-height: 1.35; }
.topic-pagination .next { grid-column: 2; align-items: flex-end; text-align: right; }
.related-topics { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--line); }
.related-topics-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.related-topics-heading .eyebrow { margin-bottom: 5px; }
.related-topics-heading h2 { margin: 0; font-size: 1.7rem; letter-spacing: -.03em; }
.related-topics-heading > a { font-size: .86rem; font-weight: 750; }
.related-topics-empty { margin: 0; padding: 18px 20px; color: var(--ink-soft); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.related-topic-grid { display: grid; grid-template-columns: 1fr; gap: 0; border-top: 1px solid var(--line); }
.related-topic-grid > a { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 16px; min-height: 0; padding: 14px 2px; color: var(--ink); background: white; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; text-decoration: none; }
.related-topic-grid > a:hover { color: var(--blue-dark); background: var(--paper); }
.related-topic-grid span { color: var(--blue); font-size: .72rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.related-topic-grid strong { margin-top: 0; font-size: 1rem; line-height: 1.3; }
.related-topic-grid small { grid-column: 2; margin-top: -10px; color: var(--ink-soft); font-size: .82rem; line-height: 1.45; }
.article-footer { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 54px; padding-top: 24px; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: .88rem; }

.empty-state { padding: 52px 28px; text-align: center; background: var(--surface); border: 1px dashed #b8c4d8; border-radius: var(--radius); }
.empty-state.compact { padding: 32px 24px; }
.empty-state h2, .empty-state h3 { margin: 0 0 7px; }
.empty-state p { margin: 0; color: var(--ink-soft); }
.pagination { display: grid; grid-template-columns: minmax(110px, 1fr) auto minmax(110px, 1fr); align-items: center; gap: 18px; margin-top: 30px; }
.pagination-direction, .pagination-page { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 13px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 8px; font-size: .88rem; font-weight: 750; text-decoration: none; }
.pagination-direction:first-child { justify-self: start; }
.pagination-direction:last-child { justify-self: end; }
.pagination-direction:hover, .pagination-page:hover { color: var(--blue); border-color: #9eb7df; background: var(--blue-pale); }
.pagination-direction.is-disabled { color: #8690a1; background: #f1f3f6; cursor: not-allowed; }
.pagination-pages { display: flex; align-items: center; justify-content: center; gap: 7px; }
.pagination-page { min-width: 42px; padding-inline: 10px; }
.pagination-page.is-current { color: white; background: var(--blue); border-color: var(--blue); }
.pagination-gap { color: var(--ink-soft); }
.table-panel > .pagination { margin: 0; padding: 18px; border-top: 1px solid var(--line); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 18px; color: white; background: var(--blue); border: 1px solid var(--blue); border-radius: 9px; font-weight: 750; line-height: 1.2; text-decoration: none; cursor: pointer; }
.button:hover { color: white; background: var(--blue-dark); border-color: var(--blue-dark); }
.button.secondary { color: var(--ink); background: white; border-color: var(--line); }
.button.secondary:hover { color: var(--blue); border-color: var(--blue); }
.button.danger-outline { color: var(--red); background: white; border-color: #e7b5b0; }
.button.danger-outline:hover { color: white; background: var(--red); border-color: var(--red); }
.button:disabled { cursor: not-allowed; opacity: .5; }
.full-button { width: 100%; }

.admin-section { min-height: calc(100vh - 240px); padding-block: 54px 84px; }
.admin-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.admin-heading h1 { font-size: clamp(2.1rem, 4vw, 3.5rem); }
.admin-heading p:not(.eyebrow) { max-width: 620px; margin: 10px 0 0; color: var(--ink-soft); }
.admin-heading-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 26px; }
.stats-grid a { display: flex; flex-direction: column; padding: 25px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; }
.stats-grid a:hover { border-color: #a8bee5; }
.stats-grid strong { font-size: 2.3rem; line-height: 1.1; letter-spacing: -.04em; }
.stats-grid span { margin-top: 7px; color: var(--ink-soft); font-weight: 650; }
.dashboard-stats { grid-template-columns: repeat(3, 1fr); }
.dashboard-stats a { min-height: 142px; justify-content: space-between; }
.dashboard-stats span { margin: 0; font-size: .75rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.dashboard-stats strong { order: 2; font-size: clamp(2.1rem, 4vw, 3rem); }
.dashboard-section-heading { display: flex; align-items: end; justify-content: space-between; margin: 46px 0 18px; }
.dashboard-section-heading h2 { margin: 0; font-size: 1.55rem; letter-spacing: -.025em; }
.dashboard-section-heading p { margin: 4px 0 0; color: var(--ink-soft); font-size: .9rem; }
.activity-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.activity-panel { min-width: 0; padding: 22px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 6px 22px rgba(20, 33, 61, .04); }
.activity-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 15px; border-bottom: 1px solid var(--line); }
.activity-heading h3 { margin: 0; font-size: 1.02rem; letter-spacing: -.015em; }
.activity-heading a { font-size: .8rem; font-weight: 700; white-space: nowrap; }
.activity-list { display: grid; }
.activity-list > a { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 2px; color: var(--ink); text-decoration: none; }
.activity-list > a + a { border-top: 1px solid #edf0f5; }
.activity-list > a:hover strong { color: var(--blue); }
.activity-list span { min-width: 0; display: grid; }
.activity-list strong, .activity-list small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.activity-list strong { font-size: .92rem; }
.activity-list small { color: var(--ink-soft); font-size: .76rem; }
.activity-list time { flex: 0 0 auto; color: var(--ink-soft); font-size: .74rem; }
.activity-empty { margin: 0; padding: 28px 2px 10px; color: var(--ink-soft); font-size: .88rem; }
.admin-panel { padding: 26px; background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 6px 22px rgba(20, 33, 61, .04); }
.table-panel { padding: 0; overflow: hidden; }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 20px; }
.panel-heading h2 { margin: 0; font-size: 1.3rem; }
.panel-heading p { margin: 3px 0 0; color: var(--ink-soft); font-size: .9rem; }
.simple-list { border-top: 1px solid var(--line); }
.simple-list > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 2px; }
.simple-list > div + div { border-top: 1px solid var(--line); }
.simple-list span:first-child { display: grid; }
.simple-list small, .data-table small { display: block; color: var(--ink-soft); font-size: .8rem; }

.data-table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { padding: 14px 18px; color: var(--ink-soft); background: #f2f5fa; font-size: .76rem; letter-spacing: .06em; text-align: left; text-transform: uppercase; }
.data-table td { padding: 17px 18px; border-top: 1px solid var(--line); vertical-align: middle; }
.data-table td:first-child { min-width: 190px; }
.row-actions { display: flex; align-items: center; justify-content: flex-end; gap: 13px; font-size: .86rem; white-space: nowrap; }
.row-actions form { margin: 0; }
.action-link { padding: 0; color: var(--blue); background: none; border: 0; cursor: pointer; text-decoration: underline; text-underline-offset: .18em; }
.action-note { max-width: 130px; color: var(--ink-soft); white-space: normal; line-height: 1.35; }
.danger-link { padding: 0; color: var(--red); background: none; border: 0; cursor: pointer; text-decoration: underline; text-underline-offset: .18em; }

.form-container { max-width: 820px; }
.wide-form { max-width: 980px; }
.admin-form { padding: clamp(22px, 4vw, 38px); background: white; border: 1px solid var(--line); border-radius: var(--radius); }
.admin-form fieldset { margin: 0; padding: 0; border: 0; }
.admin-form fieldset + fieldset { margin-top: 42px; padding-top: 38px; border-top: 1px solid var(--line); }
.admin-form legend { margin-bottom: 25px; font-size: 1.35rem; font-weight: 780; letter-spacing: -.025em; }
.fieldset-help { margin: -14px 0 24px; color: var(--ink-soft); font-size: .9rem; }
.editor-status-field { max-width: 520px; }
.editor-optional { margin-top: 38px; padding: 20px; background: #f7f9fc; border: 1px solid var(--line); border-radius: 10px; }
.editor-optional summary { font-weight: 780; cursor: pointer; }
.editor-optional > p { margin: 8px 0 24px; color: var(--ink-soft); font-size: .88rem; }
.editor-optional .field:last-child { margin-bottom: 0; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 24px; }
.field-small { max-width: 180px; }
.field label, .stack-form label { display: flex; justify-content: space-between; margin-bottom: 7px; font-weight: 720; }
.field label span { color: var(--ink-soft); font-size: .73rem; font-weight: 650; text-transform: uppercase; }
.field input, .field textarea, .field select, .stack-form input { width: 100%; padding: 11px 12px; color: var(--ink); background: white; border: 1px solid #aab6ca; border-radius: 8px; outline: none; }
.field textarea { resize: vertical; line-height: 1.55; }
.field input:focus, .field textarea:focus, .field select:focus, .stack-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(19, 88, 216, .14); }
.field small { display: block; margin-top: 6px; color: var(--ink-soft); font-size: .8rem; }
.muted-text { color: var(--ink-soft); font-size: .88rem; }
.optional-legend { color: var(--ink-soft); font-size: .72rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.slug-input { display: flex; align-items: stretch; }
.slug-input span { display: flex; align-items: center; padding: 0 10px; color: var(--ink-soft); background: #eef2f7; border: 1px solid #aab6ca; border-right: 0; border-radius: 8px 0 0 8px; font-size: .85rem; }
.slug-input input { border-radius: 0 8px 8px 0; }
.form-actions { display: flex; gap: 10px; margin-top: 32px; }
.form-alert { margin-bottom: 20px; padding: 15px 17px; background: #fff8db; border: 1px solid #ead67b; border-radius: 9px; }
.form-alert p:last-child, .form-alert ul:last-child { margin-bottom: 0; }
.error-list { color: #7b2119; background: #fff0ee; border-color: #e8aea8; }

.admin-body { min-width: 320px; background: #f3f6fa; }
.admin-shell { min-height: 100vh; }
.admin-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 40; width: 268px; display: flex; flex-direction: column; color: #d9e2f1; background: #101b31; border-right: 1px solid #283650; }
.admin-brand { min-height: 86px; display: flex; align-items: center; gap: 12px; padding: 18px 22px; color: white; border-bottom: 1px solid #283650; text-decoration: none; }
.admin-brand:hover { color: white; }
.admin-brand > span:last-child { display: grid; line-height: 1.2; }
.admin-brand strong { font-size: 1.02rem; }
.admin-brand small { margin-top: 4px; color: #94a4be; font-size: .72rem; font-weight: 650; letter-spacing: .08em; text-transform: uppercase; }
.admin-sidebar-nav { flex: 1; padding: 18px 12px; overflow-y: auto; }
.admin-sidebar-nav p { margin: 22px 10px 7px; color: #7f90ab; font-size: .7rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.admin-sidebar-nav p:first-of-type { margin-top: 24px; }
.admin-nav-link { display: flex; align-items: center; min-height: 42px; padding: 9px 11px; color: #c9d4e5; border-radius: 8px; font-size: .91rem; font-weight: 650; text-decoration: none; }
.admin-nav-link:hover { color: white; background: #192844; }
.admin-nav-link.active { color: white; background: var(--blue); }
.admin-sidebar-footer { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 16px 14px; border-top: 1px solid #283650; }
.admin-sidebar-footer a, .admin-sidebar-footer button { display: flex; align-items: center; justify-content: center; min-height: 38px; padding: 7px 9px; color: #c9d4e5; background: #192844; border: 1px solid #31415c; border-radius: 7px; font-size: .78rem; font-weight: 700; text-decoration: none; cursor: pointer; }
.admin-sidebar-footer form { margin: 0; }
.admin-sidebar-footer button { width: 100%; }
.admin-sidebar-footer a:hover, .admin-sidebar-footer button:hover { color: white; border-color: #60708b; }
.admin-workspace { min-height: 100vh; margin-left: 268px; }
.admin-main { min-height: 100vh; }
.admin-mobile-header { display: none; }
.admin-flash-wrap { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; padding-top: 20px; }
.admin-login-header { min-height: 76px; display: flex; align-items: center; padding: 0 max(20px, calc((100% - 1180px) / 2)); background: white; border-bottom: 1px solid var(--line); }
.status-badge { display: inline-flex; align-items: center; min-height: 27px; padding: 3px 9px; border-radius: 999px; font-size: .75rem; font-weight: 750; }
.status-badge.published { color: #0e5e39; background: #e7f7ef; }
.status-badge.draft { color: #68510d; background: #fff5cd; }
.status-badge.unpublished, .status-badge.cancelled, .status-badge.skipped { color: #5e6675; background: #edf0f5; }
.status-badge.pending { color: #185a78; background: #e7f4fa; }
.status-badge.completed, .status-badge.imported { color: #0e5e39; background: #e7f7ef; }
.status-badge.failed, .status-badge.error, .status-badge.duplicate { color: #8b2d28; background: #fdeceb; }
.status-badge.enabled { color: #0e5e39; background: #e7f7ef; }
.status-badge.disabled { color: #5e6675; background: #edf0f5; }
.status-badge.seo-ready { color: #0e5e39; background: #e7f7ef; }
.status-badge.seo-needs-attention { color: #7b4b0a; background: #fff0cf; }
.page-filters { display: grid; grid-template-columns: minmax(230px, 1.35fr) repeat(3, minmax(150px, 1fr)) auto; align-items: end; gap: 14px; margin-bottom: 14px; padding: 18px; }
.page-filters .field { margin: 0; }
.page-filter-actions { display: flex; gap: 8px; }
.page-filter-actions .button { white-space: nowrap; }
.page-result-count { margin: 0 0 10px; color: var(--ink-soft); font-size: .84rem; font-weight: 700; }
.pages-table td { min-width: 120px; }
.pages-table td:first-child { min-width: 185px; }
.pages-table td:last-child { min-width: 320px; }
.page-row-actions { flex-wrap: wrap; white-space: normal; }
.preview-banner { color: #173f7a; background: #eaf2ff; border-bottom: 1px solid #afc9f2; }
.preview-banner .container { min-height: 52px; display: flex; align-items: center; gap: 16px; font-size: .86rem; }
.preview-banner span { margin-right: auto; }
.preview-banner a { font-weight: 700; white-space: nowrap; }
.import-result { margin-bottom: 22px; padding: 20px; color: #0e5e39; background: #e9f8f0; border: 1px solid #a9d8bf; border-radius: 10px; }
.import-result > strong { display: block; margin-bottom: 10px; font-size: 1.08rem; }
.import-result > p { margin: 0 0 12px; }
.import-result > div { display: flex; flex-wrap: wrap; gap: 10px 24px; }
.import-result span { font-size: .9rem; }
.import-result b { font-size: 1.05rem; }
.import-instructions h2 { margin: 0 0 12px; font-size: 1.35rem; }
.import-instructions ol { padding-left: 22px; }
.import-instructions > p { color: var(--ink-soft); }
.import-instructions code { padding: 2px 5px; color: var(--ink); background: #e9edf4; border-radius: 4px; }
.upload-form { margin-top: 0; }
.upload-form input[type="file"] { padding: 10px; background: #f8faff; }
.field-note { margin: -5px 0 0; color: var(--ink-soft); font-size: .88rem; }
.import-format-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 24px; }
.import-format-card { padding: 16px; background: #f7f9fc; border: 1px solid var(--line); border-radius: 9px; }
.import-format-card strong, .import-format-card span { display: block; }
.import-format-card strong { margin-bottom: 5px; }
.import-format-card span { color: var(--ink-soft); font-size: .82rem; line-height: 1.45; }
.import-help { margin-top: 22px; }
.import-help h2 { margin: 0 0 14px; font-size: 1.3rem; }
.import-help p { margin: 10px 0; color: var(--ink-soft); }
.import-help code { padding: 2px 5px; color: var(--ink); background: #e9edf4; border-radius: 4px; }
.column-mapping-form { margin-bottom: 22px; border-color: #e2bd51; box-shadow: 0 8px 24px rgba(92, 68, 0, .08); }
.column-mapping-form h2 { margin: 0 0 8px; font-size: 1.5rem; }
.column-mapping-form > p:not(.eyebrow) { margin: 0 0 22px; color: var(--ink-soft); }
.import-preview { margin-bottom: 22px; border-color: #9fb9dc; box-shadow: 0 8px 24px rgba(24, 64, 116, .08); }
.import-preview h2 { margin: 0 0 8px; font-size: 1.7rem; }
.import-preview-form > p:not(.eyebrow), .import-preview > p:not(.eyebrow) { margin: 0 0 18px; color: var(--ink-soft); }
.import-preview-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin: 20px 0 26px; }
.import-preview-summary div { min-width: 0; padding: 14px 15px; background: #f7f9fc; border: 1px solid var(--line); border-radius: 9px; }
.import-preview-summary dt { color: var(--ink-soft); font-size: .72rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.import-preview-summary dd { margin: 4px 0 0; overflow-wrap: anywhere; font-size: 1.08rem; font-weight: 800; line-height: 1.3; }
.import-preview-summary .new-count dd { color: var(--green); }
.import-preview-summary .duplicate-count dd { color: #8a6200; }
.import-draft-note { margin: -8px 0 24px !important; padding: 11px 14px; color: #174a8b !important; background: #eaf2ff; border-radius: 8px; font-size: .9rem; }
.import-preview-list-heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 10px; }
.import-preview-list-heading h3 { margin: 0; font-size: 1.08rem; }
.import-preview-list-heading span { color: var(--ink-soft); font-size: .8rem; }
.import-topic-list { max-height: 430px; margin: 0 0 16px; padding: 0; overflow-y: auto; list-style: none; background: #f8fbff; border: 1px solid var(--line); border-radius: 9px; }
.import-topic-list li { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 14px; min-height: 48px; padding: 9px 14px; border-bottom: 1px solid var(--line); }
.import-topic-list li:last-child { border-bottom: 0; }
.import-topic-list label { display: flex; align-items: center; gap: 11px; min-width: 0; cursor: pointer; }
.import-topic-list input { width: 18px; height: 18px; flex: 0 0 auto; accent-color: var(--blue); }
.import-topic-list label span, .import-topic-list .topic-name { overflow-wrap: anywhere; }
.import-topic-list small { padding: 3px 8px; color: var(--green); background: #e7f7ef; border-radius: 999px; font-size: .7rem; font-weight: 800; text-transform: uppercase; }
.import-topic-list .is-duplicate { color: #697386; background: #f3f5f8; }
.import-topic-list .is-duplicate small { color: #785a0b; background: #fff3c4; }
.import-ignored-note { color: var(--ink-soft); font-size: .86rem; }
.import-quality-warning { margin: 16px 0; padding: 15px 17px; color: #714d00; background: #fff8e4; border: 1px solid #e2bd51; border-radius: 9px; }
.import-quality-warning ul { margin: 8px 0; padding-left: 20px; }
.import-quality-warning p { margin: 8px 0 0; }
.import-preview-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.auth-section { min-height: calc(100vh - 154px); display: grid; place-items: center; padding: 50px 20px; background: linear-gradient(145deg, #eef3fb, #f9fbff); }
.auth-card { width: min(100%, 460px); padding: clamp(28px, 5vw, 44px); background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: var(--shadow); }
.auth-card h1 { font-size: 2.3rem; }
.auth-card > p:not(.eyebrow) { margin: 12px 0 28px; color: var(--ink-soft); }
.stack-form { display: grid; gap: 10px; }
.stack-form .button { margin-top: 8px; }

.flash-wrap { padding-top: 18px; }
.flash { padding: 13px 16px; border: 1px solid; border-radius: 9px; }
.flash-success { color: #0e5e39; background: #e9f8f0; border-color: #a9d8bf; }
.flash-error { color: #7b2119; background: #fff0ee; border-color: #e8aea8; }
.flash-info { color: #174a8b; background: #eaf2ff; border-color: #afc9f2; }

.status-page { min-height: calc(100vh - 154px); display: flex; flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 70px; }
.status-code { margin: 0 0 12px; color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.status-page h1 { max-width: 700px; font-size: clamp(2.3rem, 5vw, 4rem); }
.status-page > p:not(.status-code) { max-width: 650px; margin: 18px 0 28px; color: var(--ink-soft); font-size: 1.1rem; }
.status-actions { display: flex; flex-wrap: wrap; gap: 10px; }

.site-footer { color: #bdc8d9; background: #0d172b; }
.reading-progress { position: fixed; z-index: 1000; top: 0; left: 0; width: 100%; height: 4px; border: 0; background: transparent; appearance: none; pointer-events: none; }
.reading-progress::-webkit-progress-bar { background: transparent; }
.reading-progress::-webkit-progress-value { background: var(--blue); }
.reading-progress::-moz-progress-bar { background: var(--blue); }
.lesson-meta { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.lesson-meta span { padding: 5px 10px; color: #31415b; background: #edf3fb; border-radius: 999px; font-size: .78rem; font-weight: 750; }
.visitor-topic-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 14px; }
.visitor-topic-actions button, .visitor-topic-actions a, .topic-feedback button, .topic-level-filter button { padding: 8px 12px; color: var(--blue); background: white; border: 1px solid #b9c8dc; border-radius: 7px; font: inherit; font-size: .82rem; font-weight: 750; text-decoration: none; cursor: pointer; }
.visitor-topic-actions [role="status"] { color: var(--ink-soft); font-size: .8rem; }
.table-of-contents, .prerequisites, .continue-learning-callout { margin: 0 0 28px; padding: 20px 22px; background: #f6f9fd; border: 1px solid var(--line); border-radius: 12px; }
.table-of-contents { display: flex; align-items: center; gap: 16px; padding: 11px 14px; background: white; box-shadow: 0 8px 24px rgba(21, 48, 84, .07); }
.table-of-contents h2 { flex: 0 0 auto; margin: 0; padding-right: 14px; border-right: 1px solid var(--line); font-size: .82rem; line-height: 1; letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.table-of-contents ol { display: flex; flex: 1 1 auto; align-items: center; gap: 6px; min-width: 0; margin: 0; padding: 2px 1px; overflow-x: auto; list-style: none; scrollbar-width: thin; }
.table-of-contents li { flex: 0 0 auto; margin: 0; }
.table-of-contents a { display: block; padding: 7px 10px; color: var(--blue); border-radius: 999px; font-size: .82rem; font-weight: 750; line-height: 1; text-decoration: none; white-space: nowrap; }
.table-of-contents a:hover, .table-of-contents a:focus-visible { background: #eaf2ff; }
.prerequisites h2, .continue-learning-callout h2 { margin: 0 0 12px; font-size: 1.18rem; }
.prerequisites ul { margin: 0; padding-left: 20px; }
.prerequisites li { margin: 6px 0; }
.prerequisites a, .continue-learning-callout a { color: var(--blue); font-weight: 700; }
.public-view { scroll-behavior: smooth; }
.lesson-content h2, .lesson-content h3 { scroll-margin-top: 90px; }
.continue-learning-callout { margin-top: 34px; background: #eef6ff; }
.continue-learning-callout .eyebrow { margin-bottom: 6px; }
.topic-feedback { margin: 34px 0; padding-top: 24px; border-top: 1px solid var(--line); }
.topic-feedback h2 { font-size: 1.2rem; }
.topic-feedback form { display: flex; flex-wrap: wrap; gap: 8px; }
.topic-feedback details { margin-top: 14px; }
.topic-feedback details form { display: grid; max-width: 560px; margin-top: 14px; }
.topic-feedback textarea, .topic-feedback select { width: 100%; padding: 10px; border: 1px solid var(--line); border-radius: 7px; font: inherit; }
.subject-roadmap { padding-bottom: 18px; }
.roadmap-grid { display: grid; grid-template-columns: 1fr; gap: 18px; }
.roadmap-level { padding: 22px; background: linear-gradient(145deg, #fff 0%, #f8fbff 100%); border: 1px solid #d6e1f1; border-radius: 14px; box-shadow: 0 10px 28px rgba(20, 33, 61, .06); }
.roadmap-level-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.roadmap-level-heading h3 { margin: 0; font-size: 1.18rem; letter-spacing: -.02em; }
.roadmap-level-heading span { flex: 0 0 auto; padding: 4px 9px; color: var(--blue-dark); background: var(--blue-pale); border-radius: 999px; font-size: .72rem; font-weight: 800; }
.roadmap-topic-tiles { counter-reset: roadmap-topic; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 0; padding: 0; list-style: none; }
.roadmap-topic-tiles li { counter-increment: roadmap-topic; min-width: 0; }
.roadmap-topic-tiles a { display: grid; grid-template-columns: 38px minmax(0, 1fr) auto; align-items: center; gap: 12px; min-height: 70px; padding: 12px 14px; color: var(--ink); background: white; border: 1px solid var(--line); border-radius: 10px; text-decoration: none; transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease; }
.roadmap-topic-tiles a::before { content: counter(roadmap-topic, decimal-leading-zero); display: grid; place-items: center; width: 38px; height: 38px; color: var(--blue); background: var(--blue-pale); border-radius: 9px; font-size: .72rem; font-weight: 850; letter-spacing: .04em; }
.roadmap-topic-tiles a::after { content: "→"; color: var(--blue); font-size: 1.05rem; font-weight: 800; }
.roadmap-topic-tiles strong { min-width: 0; font-size: .94rem; line-height: 1.35; overflow-wrap: anywhere; }
.roadmap-topic-tiles a:hover { color: var(--blue-dark); border-color: #9db8e4; box-shadow: 0 8px 20px rgba(19, 88, 216, .09); transform: translateY(-2px); }
.topic-level-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 0 0 20px; }
.topic-level-filter select { min-width: 180px; padding: 9px; border: 1px solid var(--line); border-radius: 7px; }
.topic-level-filter label { font-weight: 750; }
.topic-copy small { display: block; margin-top: 6px; color: #65748a; }
.admin-heading-actions, .bulk-action-bar, .compact-filter { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }
.bulk-action-bar { margin: 0 0 14px; padding: 12px 14px; background: #f5f8fc; border: 1px solid var(--line); border-radius: 9px; }
.bulk-action-bar label { font-weight: 750; }
.bulk-action-bar select, .compact-filter select { min-width: 190px; padding: 9px; border: 1px solid var(--line); border-radius: 7px; background: white; }
.quality-panel { display: grid; grid-template-columns: 150px 1fr; gap: 22px; margin-bottom: 18px; padding: 20px; }
.quality-score { display: flex; flex-direction: column; }
.quality-score strong { color: var(--blue); font-size: 2.3rem; }
.quality-panel ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; margin: 0; padding: 0; list-style: none; }
.quality-panel li { padding: 8px 10px; border-radius: 7px; font-size: .82rem; }
.quality-panel li span { display: block; margin-top: 3px; font-weight: 400; }
.quality-pass { color: #17613e; background: #eaf8f0; }
.quality-warning { color: #795800; background: #fff6d8; }
.quality-panel > p, .quality-panel > a { grid-column: 2; margin: 0; font-size: .82rem; }
.autosave-status { align-self: center; color: var(--ink-soft); font-size: .82rem; }
.seo-issue-panel { margin-top: 18px; padding: 20px; }
.seo-issue-panel h2 { display: flex; justify-content: space-between; margin-top: 0; }
.seo-issue-panel ul { columns: 2; }
.redirect-form { margin-bottom: 20px; }
.sidebar-search { padding: 0 16px 12px; }
.sidebar-search input, .admin-global-search input { width: 100%; padding: 10px 11px; border: 1px solid #3a4963; border-radius: 7px; }
.admin-global-search { display: grid; grid-template-columns: auto minmax(200px, 1fr) auto; align-items: end; gap: 10px; padding: 18px; }
.search-filter-form { align-items: start; }
.search-filter-grid { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; }
.search-filter-grid label { color: var(--ink-soft); font-size: .78rem; font-weight: 750; }
.search-filter-grid select { width: 100%; margin-top: 5px; padding: 9px; background: white; border: 1px solid var(--line); border-radius: 7px; }
.zero-result-links { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.zero-result-links a, .search-result-level { padding: 5px 9px; color: var(--blue); background: #edf3fb; border-radius: 999px; font-size: .78rem; font-weight: 750; }
:focus-visible { outline: 3px solid #f5aa20; outline-offset: 3px; }
.footer-inner { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: .86rem; }

@media (max-width: 860px) {
    .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .form-grid { grid-template-columns: 1fr; gap: 0; }
    .import-format-grid { grid-template-columns: 1fr; }
    .import-preview-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-heading { align-items: flex-start; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
    .roadmap-topic-tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .learning-layout { grid-template-columns: minmax(0, 780px); }
    .article-header-layout { grid-template-columns: minmax(0, 780px); }
    .article-header-content { grid-column: 1; }
    .article-content { order: 1; }
    .subject-navigation { position: static; order: 2; max-height: none; margin: 0 0 70px; }
    .admin-sidebar { transform: translateX(-100%); transition: transform .2s ease; box-shadow: 15px 0 40px rgba(5, 13, 28, .2); }
    .admin-sidebar.is-open { transform: translateX(0); }
    .admin-workspace { margin-left: 0; }
    .admin-mobile-header { min-height: 62px; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 16px; padding: 0 20px; color: white; background: #101b31; }
    .page-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .page-filter-actions { align-self: end; }
    .admin-mobile-header span { overflow: hidden; font-weight: 750; text-overflow: ellipsis; white-space: nowrap; }
    .admin-mobile-header a { color: #c9d4e5; font-size: .8rem; font-weight: 700; text-decoration: none; }
    .admin-menu-button { min-height: 36px; padding: 6px 10px; color: white; background: #192844; border: 1px solid #44536d; border-radius: 7px; font-weight: 700; cursor: pointer; }
}

@media (max-width: 640px) {
    .container, .narrow, .article-container { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 66px; }
    .menu-button { display: inline-flex; }
    .site-navigation { display: none; position: absolute; top: 66px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 14px 16px; background: white; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
    .site-navigation.is-open { display: flex; }
    .site-navigation a, .site-navigation .link-button { display: block; width: 100%; padding: 11px 10px; text-align: left; }
    .admin-nav-inner { gap: 20px; }
    .hero-inner { padding-block: 68px 78px; }
    .hero::after { right: -20px; bottom: -42px; font-size: 12rem; }
    .section { padding-block: 48px 64px; }
    .section-heading, .admin-heading { flex-direction: column; align-items: flex-start; gap: 16px; }
    .card-grid { grid-template-columns: 1fr; }
    .content-card { min-height: 245px; }
    .recent-topic-card { min-height: 220px; }
    .list-card { align-items: flex-start; padding: 20px; }
    .list-card-end { flex-direction: column; align-items: flex-end; gap: 6px; }
    .topic-list a { grid-template-columns: 38px 1fr auto; gap: 10px; padding: 18px 14px; }
    .public-search-form { grid-template-columns: 1fr; }
    .public-search-form button { width: 100%; }
    .article-header-layout { width: min(calc(100% - 28px), 780px); }
    .topic-pagination { grid-template-columns: 1fr; }
    .topic-pagination .next { grid-column: 1; align-items: flex-start; text-align: left; }
    .related-topics-heading { align-items: flex-start; }
    .related-topic-grid { grid-template-columns: 1fr; }
    .related-topic-grid > a { min-height: 0; }
    .lesson-introduction, .lesson-summary, .key-points { padding: 20px 18px 4px; }
    .lesson-explanation .lesson-passage { padding: 15px 16px; }
    .article-footer { flex-direction: column; align-items: flex-start; }
    .stats-grid { grid-template-columns: 1fr; }
    .dashboard-stats { grid-template-columns: repeat(2, 1fr); }
    .dashboard-stats a { min-height: 120px; padding: 18px; }
    .dashboard-stats strong { font-size: 2rem; }
    .activity-grid { grid-template-columns: 1fr; }
    .admin-mobile-header { padding-inline: 14px; }
    .admin-flash-wrap { width: min(calc(100% - 28px), var(--container)); }
    .data-table th, .data-table td { padding-inline: 13px; }
    .admin-form { padding: 20px 16px; }
    .page-filters { grid-template-columns: 1fr; }
    .page-filter-actions .button { flex: 1; }
    .pagination { grid-template-columns: 1fr 1fr; gap: 10px; }
    .pagination-pages { grid-column: 1 / -1; grid-row: 1; flex-wrap: wrap; }
    .pagination-direction { grid-row: 2; width: 100%; }
    .preview-banner .container { align-items: flex-start; flex-wrap: wrap; gap: 8px 14px; padding-block: 12px; }
    .preview-banner span { width: 100%; order: 2; }
    .form-actions { flex-direction: column; }
    .import-preview-summary { grid-template-columns: 1fr; }
    .import-preview-list-heading { align-items: flex-start; flex-direction: column; gap: 4px; }
    .import-preview-actions { flex-direction: column; }
    .import-preview-actions .button { width: 100%; }
    .status-actions { width: 100%; flex-direction: column; }
    .status-actions .button { width: 100%; }
    .footer-inner { flex-direction: column; align-items: flex-start; justify-content: center; padding-block: 20px; }
    .roadmap-topic-tiles { grid-template-columns: 1fr; }
    .search-filter-grid { grid-template-columns: 1fr; }
    .read-aloud-controls { width: 100%; }
    .read-aloud-voice-label { width: 100%; justify-content: space-between; }
    .read-aloud-voice-label select { flex: 1 1 auto; max-width: none; }
    .visitor-topic-actions button { flex: 1 1 auto; }
    .quality-panel { grid-template-columns: 1fr; }
    .quality-panel ul { grid-template-columns: 1fr; }
    .quality-panel > p, .quality-panel > a { grid-column: 1; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}

@media print {
    .site-header, .site-footer, .preview-banner, .subject-navigation, .article-actions, .visitor-topic-actions,
    .reading-progress, .table-of-contents, .related-topics, .topic-pagination, .topic-feedback { display: none !important; }
    body { color: #000; background: #fff; font-size: 12pt; }
    .article-header, .article-wrap, .article-body { background: #fff !important; }
    .learning-layout, .article-header-layout { display: block; width: 100%; }
    .article-body { max-width: none; padding: 0; }
    a { color: #000; text-decoration: underline; }
}

.source-editor { display: grid; gap: 1rem; margin-bottom: 1rem; }
.source-row { padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.source-row .field:last-of-type { margin-bottom: .75rem; }
.button.compact { padding: .55rem .8rem; font-size: .86rem; }
.internal-link-suggestions { margin: 1.25rem 0; }
.suggestion-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
.suggestion-grid article { display: grid; gap: .35rem; min-width: 0; padding: .9rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.suggestion-grid code { overflow-wrap: anywhere; font-size: .76rem; }
.editorial-badge { display: inline-flex; padding: .25rem .55rem; border-radius: 999px; background: var(--paper); color: var(--ink-soft); font-size: .76rem; font-weight: 700; }
.editorial-badge.complete { background: #dcfce7; color: #166534; }
.editorial-badge.ready_for_review { background: #dbeafe; color: #1d4ed8; }
.editorial-badge.in_progress { background: #fef3c7; color: #92400e; }
.status-badge.editorial-complete { background: #dcfce7; color: #166534; }
.status-badge.editorial-ready_for_review { background: #dbeafe; color: #1d4ed8; }
.status-badge.editorial-in_progress { background: #fef3c7; color: #92400e; }
.media-library-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin-block: 1rem; }
.media-library-card { min-width: 0; }
.media-library-card > img { width: 100%; aspect-ratio: 16 / 10; object-fit: cover; border-radius: 12px; background: var(--paper); }
.media-library-card h2 { margin: .75rem 0 .2rem; font-size: 1rem; overflow-wrap: anywhere; }
.media-library-card .admin-form { margin-top: .8rem; }
.lesson-featured-media { margin: 0 0 1.4rem; }
.lesson-featured-media img { display: block; width: 100%; height: auto; max-height: 520px; object-fit: contain; border-radius: 16px; background: var(--paper); }
.lesson-featured-media figcaption { margin-top: .55rem; color: var(--ink-soft); font-size: .9rem; text-align: center; }
.sources li small { display: block; margin-top: .2rem; color: var(--ink-soft); }
.seo-preview { padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.seo-preview h2 { margin: .25rem 0; color: #1a0dab; font: 400 1.18rem/1.35 Arial, sans-serif; }
.seo-preview > small { color: #137333; overflow-wrap: anywhere; }
.seo-preview > p:not(.eyebrow) { margin: .4rem 0; color: #4d5156; }
.seo-preview em { color: var(--ink-soft); font-size: .78rem; }

@media (max-width: 760px) {
    .suggestion-grid { grid-template-columns: 1fr; }
    .media-library-grid { grid-template-columns: 1fr; }
}

/* Phase 3: interactive learning and assessment */
.assessment-cards { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.admin-grid-two, .admin-grid-three { display: grid; gap: 1rem; margin: 1rem 0; }
.admin-grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.admin-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.admin-panel { margin: 1rem 0; padding: 1.25rem; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.admin-panel > h2:first-child { margin-top: 0; }
.admin-activity-list, .metric-list { margin: 0; padding: 0; list-style: none; }
.admin-activity-list li + li, .metric-list li + li { border-top: 1px solid var(--line); }
.admin-activity-list a { display: grid; gap: .25rem; padding: .75rem 0; color: var(--ink); text-decoration: none; }
.admin-activity-list span { color: var(--ink-soft); font-size: .85rem; }
.metric-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .65rem 0; }
.assessment-filter { grid-template-columns: repeat(4, minmax(150px, 1fr)); }
.assessment-filter label { min-width: 0; }
.assessment-filter input, .assessment-filter select { width: 100%; }
.bulk-toolbar { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: var(--paper); }
.bulk-toolbar label { display: grid; gap: .3rem; font-size: .82rem; font-weight: 700; }
.row-actions form { display: inline; }
.row-actions form button { padding: 0; border: 0; background: none; color: var(--accent); font: inherit; text-decoration: underline; }
.validation-box { margin: 1rem 0; padding: 1rem 1.15rem; border-radius: 14px; }
.validation-box h2 { margin: 0 0 .5rem; font-size: 1rem; }
.validation-box ul { margin: 0; padding-left: 1.2rem; }
.validation-box.error { border: 1px solid #fecaca; background: #fef2f2; color: #991b1b; }
.validation-box.warning { border: 1px solid #fde68a; background: #fffbeb; color: #854d0e; }
.assessment-form .form-section { margin-bottom: 1rem; padding: 1.15rem; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.assessment-form .form-section > h2 { margin-top: 0; }
.form-grid.three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.question-option-editor { display: grid; gap: .65rem; }
.question-option-editor > label { display: grid; grid-template-columns: auto auto 1fr; align-items: center; gap: .65rem; }
.question-option-editor input[type="radio"] { inline-size: 1.25rem; block-size: 1.25rem; }
.question-option-editor input[type="text"] { width: 100%; }
.danger-zone { display: grid; gap: 1rem; margin-top: 1.25rem; padding: 1.25rem; border: 1px solid #fecaca; border-radius: 16px; background: #fff7f7; }
.danger-zone h2 { margin: 0; }
.danger, button.danger { background: #991b1b; color: #fff; }
.preview-summary { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .75rem; margin: 1rem 0; }
.preview-summary div { padding: .85rem; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); }
.preview-summary dt { color: var(--ink-soft); font-size: .78rem; text-transform: uppercase; }
.preview-summary dd { margin: .25rem 0 0; font-size: 1.4rem; font-weight: 800; }
.import-preview-table small { display: block; margin-top: .3rem; max-width: 30rem; color: var(--ink-soft); }
.status-valid, .status-completed, .status-published { background: #dcfce7; color: #166534; }
.status-duplicate, .status-invalid, .status-failed, .status-archived { background: #fee2e2; color: #991b1b; }
.status-pending, .status-ready_for_review { background: #fef3c7; color: #92400e; }
.status-draft, .status-skipped, .status-cancelled { background: #e5e7eb; color: #374151; }
.quiz-question-picker { display: grid; gap: .6rem; max-height: 42rem; overflow: auto; }
.quiz-question-picker > label { display: grid; grid-template-columns: auto 1fr auto; align-items: start; gap: .75rem; padding: .8rem; border: 1px solid var(--line); border-radius: 12px; }
.quiz-question-picker > label > input[type="checkbox"] { margin-top: .25rem; inline-size: 1.2rem; block-size: 1.2rem; }
.quiz-question-picker span { display: grid; gap: .25rem; }
.quiz-question-picker small { color: var(--ink-soft); }
.quiz-question-picker input[type="number"] { width: 5.5rem; }
.check-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin-top: 1rem; }
.preview-options { display: grid; gap: .5rem; }
.preview-options li { padding: .65rem .8rem; border: 1px solid var(--line); border-radius: 10px; }
.preview-options .is-correct { border-color: #16a34a; background: #f0fdf4; }

.quiz-hero, .quiz-page { padding: clamp(2.25rem, 6vw, 5rem) 0; background: linear-gradient(180deg, #f7f9ff, #fff); }
.quiz-hero h1, .quiz-page h1 { margin-block: .6rem; font-size: clamp(2rem, 6vw, 3.6rem); line-height: 1.08; }
.quiz-summary { display: flex; flex-wrap: wrap; gap: .7rem; margin: 1.2rem 0; }
.quiz-summary > span { display: grid; gap: .12rem; min-width: 8.5rem; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; }
.quiz-instructions { margin: 1.25rem 0; padding: 1rem 1.2rem; border-left: 4px solid var(--accent); background: #fff; }
.quiz-instructions h2 { margin-top: 0; font-size: 1.05rem; }
.quiz-start-button { min-width: 12rem; justify-content: center; font-size: 1.05rem; }
.print-links, .practice-count-links, .result-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1rem; }
.practice-count-links a, .print-links a { display: inline-flex; padding: .65rem .9rem; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--accent); font-weight: 700; text-decoration: none; }
.quiz-taking-header { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.quiz-timer { display: grid; gap: .2rem; min-width: 9rem; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; text-align: center; }
.quiz-timer strong { font-size: 1.4rem; font-variant-numeric: tabular-nums; }
.quiz-timer.is-low { border-color: #dc2626; color: #991b1b; }
.quiz-progress-wrap { margin: 1rem 0; }
.quiz-progress-wrap > div { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: .35rem; }
.quiz-progress-wrap progress, .subject-progress-panel progress { width: 100%; height: .8rem; accent-color: var(--accent); }
.subject-local-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .75rem; margin: 1rem 0; }
.subject-local-stats > span { display: grid; gap: .2rem; padding: .8rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); color: var(--muted); }
.subject-local-stats strong, .subject-local-stats a { color: var(--ink); font-weight: 750; }
.practice-session-status { position: sticky; top: .75rem; z-index: 2; width: fit-content; padding: .55rem .85rem; border-radius: 999px; background: var(--ink); color: #fff; font-weight: 750; }
@media (max-width: 760px) { .subject-local-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.question-card { margin: 1rem 0; padding: clamp(1rem, 3vw, 1.6rem); border: 1px solid var(--line); border-radius: 18px; background: #fff; box-shadow: 0 8px 26px rgba(15, 23, 42, .05); }
.question-card:focus { outline: 3px solid color-mix(in srgb, var(--accent) 35%, transparent); outline-offset: 3px; }
.question-card h2, .question-card h3 { margin: .4rem 0 1rem; line-height: 1.35; overflow-wrap: anywhere; }
.question-meta { margin: 0; color: var(--ink-soft); font-size: .8rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.answer-option { display: flex; align-items: flex-start; gap: .75rem; min-height: 3.25rem; margin: .55rem 0; padding: .8rem .9rem; border: 1px solid var(--line); border-radius: 12px; background: #fff; cursor: pointer; }
.answer-option:has(input:checked) { border-color: var(--accent); background: #eff6ff; }
.answer-option input { flex: 0 0 auto; inline-size: 1.3rem; block-size: 1.3rem; margin-top: .05rem; accent-color: var(--accent); }
.answer-option span { overflow-wrap: anywhere; }
.answer-text-label textarea { width: 100%; margin-top: .45rem; }
.hint { margin: .8rem 0; padding: .65rem .8rem; border-radius: 10px; background: #fff8e7; }
.hint summary { cursor: pointer; font-weight: 750; }
.hint p { margin-bottom: 0; }
.question-navigator { margin: 1rem 0; padding: 1rem; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.question-navigator h2 { margin-top: 0; font-size: 1rem; }
.question-navigator > div { display: grid; grid-template-columns: repeat(auto-fill, minmax(5rem, 1fr)); gap: .5rem; }
.question-navigator button { display: grid; gap: .1rem; min-height: 3.5rem; padding: .45rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
.question-navigator button.is-current { border-width: 2px; border-color: var(--accent); }
.question-navigator button.is-answered { background: #ecfdf5; }
.question-navigator small { font-size: .65rem; }
.question-navigator > p { display: flex; flex-wrap: wrap; gap: .7rem; margin-bottom: 0; font-size: .75rem; }
.navigator-key::before { content: '○ '; font-weight: 900; }
.navigator-key.current::before { content: '→ '; }
.navigator-key.answered::before { content: '✓ '; }
.quiz-controls { display: flex; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
.quiz-submit-warning { margin-top: 1rem; padding: 1rem; border: 1px solid #f59e0b; border-radius: 12px; background: #fffbeb; }
.quiz-submit-warning button + button { margin-left: .5rem; }
.storage-note { color: var(--ink-soft); font-size: .82rem; }
.practice-feedback { margin-top: .8rem; padding: .8rem; border-radius: 10px; background: var(--paper); }
.practice-feedback.is-correct { background: #f0fdf4; color: #166534; }
.practice-feedback.is-incorrect { background: #fef2f2; color: #991b1b; }
.practice-question.is-correct { border-color: #16a34a; }
.practice-question.is-incorrect { border-color: #dc2626; }
.practice-question.is-correct .practice-feedback { background: #f0fdf4; color: #166534; }
.practice-question.is-incorrect .practice-feedback { background: #fef2f2; color: #991b1b; }
.topic-practice, .topic-quizzes, .subject-assessments, .subject-progress-panel { margin-block: 1.5rem; padding: 1.25rem; border: 1px solid var(--line); border-radius: 18px; background: #f8fafc; }
.quiz-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.quiz-card { padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.quiz-card h3 { margin-top: 0; }
.quiz-card ul { padding-left: 1.1rem; color: var(--ink-soft); }
.topic-learning-status { margin-top: .7rem; padding: .55rem .75rem; border-radius: 10px; background: #ecfdf5; color: #166534; font-size: .85rem; font-weight: 700; }
.roadmap-topic-tiles li.is-completed a { border-color: #86efac; background: #f0fdf4; }
.roadmap-topic-tiles li.is-current-learning a { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.roadmap-topic-tiles [data-roadmap-status] { margin-right: .4rem; }
.quiz-result-header { padding: 1.5rem; border: 1px solid var(--line); border-radius: 20px; background: #fff; text-align: center; }
.quiz-result-header.passed { border-top: 6px solid #16a34a; }
.quiz-result-header.not-passed { border-top: 6px solid #f59e0b; }
.result-score { display: block; font-size: clamp(3rem, 10vw, 6rem); line-height: 1; }
.quiz-result-header dl { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .6rem; }
.quiz-result-header dl div { padding: .7rem; border-radius: 10px; background: var(--paper); }
.quiz-result-header dt { color: var(--ink-soft); font-size: .75rem; }
.quiz-result-header dd { margin: .2rem 0 0; font-weight: 800; }
.review-item { margin: 1rem 0; padding: 1rem; border-left: 5px solid #9ca3af; border-radius: 12px; background: #fff; }
.review-item.correct { border-color: #16a34a; }
.review-item.incorrect { border-color: #dc2626; }
.review-item.unanswered { border-color: #f59e0b; }
.review-status { font-weight: 800; }
.review-item dl { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem; }
.review-item dl div, .review-item .explanation { padding: .75rem; border-radius: 10px; background: var(--paper); }
.review-item dt { color: var(--ink-soft); font-size: .75rem; font-weight: 700; text-transform: uppercase; }
.review-item dd { margin: .25rem 0 0; }
.learning-summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.learning-summary-grid article { display: grid; gap: .35rem; padding: 1rem; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.learning-summary-grid strong { font-size: 1.5rem; }
.learning-dashboard-section, .learning-data-control { margin: 1rem 0; padding: 1.15rem; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
[data-quiz-history] article { display: flex; justify-content: space-between; gap: 1rem; padding: .6rem 0; border-bottom: 1px solid var(--line); }
.achievement-badge { display: inline-flex; margin: .25rem; padding: .55rem .75rem; border-radius: 999px; background: #ede9fe; color: #5b21b6; font-weight: 750; }

.print-only-page { margin: 0; color: #000; background: #fff; font-family: Arial, sans-serif; }
.print-practice { width: min(100% - 2rem, 820px); margin: 1rem auto; }
.print-practice header { padding-bottom: 1rem; border-bottom: 2px solid #000; }
.print-practice h1 { font-size: 1.7rem; }
.print-practice dl { display: flex; flex-wrap: wrap; gap: 1rem 2rem; }
.print-practice dl div { display: flex; gap: .35rem; }
.print-practice dd { margin: 0; }
.student-lines { display: flex; justify-content: space-between; gap: 2rem; margin-top: 1.2rem; }
.print-question-list { padding-left: 1.5rem; }
.print-question { break-inside: avoid; margin: 1.2rem 0; padding-bottom: 1rem; border-bottom: 1px solid #aaa; }
.print-question h2 { font-size: 1rem; }
.print-question li { margin: .3rem 0; }
.writing-space { height: 8rem; background: repeating-linear-gradient(to bottom, transparent 0, transparent 1.7rem, #999 1.72rem, transparent 1.75rem); }

@media (max-width: 1000px) {
    .assessment-cards, .learning-summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .assessment-filter { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .admin-grid-three, .quiz-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
    .admin-grid-two, .admin-grid-three, .assessment-cards, .learning-summary-grid, .quiz-card-grid, .form-grid.three, .check-grid, .preview-summary, .assessment-filter { grid-template-columns: 1fr; }
    .quiz-taking-header { display: grid; }
    .quiz-timer { width: 100%; }
    .quiz-result-header dl { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .review-item dl { grid-template-columns: 1fr; }
    .student-lines { display: grid; }
    .quiz-question-picker > label { grid-template-columns: auto 1fr; }
    .quiz-question-picker > label > span:last-child { grid-column: 2; }
}

@media print {
    @page { size: A4; margin: 16mm; }
    .print-only-page { font-size: 11pt; }
    .print-practice { width: 100%; margin: 0; }
    .print-practice footer { display: none; }
    .print-question { break-inside: avoid-page; page-break-inside: avoid; }
    .topic-practice, .topic-quizzes, .subject-assessments, .subject-progress-panel { display: none !important; }
}