.sct-root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color-scheme: light;
  --border: #d7dce2;
  --soft: #f5f7f9;
  --muted: #667085;
  --ink: #17202a;
  --accent: #174a78;
  --accent-soft: #edf5fb;
  --ok: #176b45;
  --ng: #9d2f2f;
  --warning: #8a5c00;
}
.sct-root * { box-sizing: border-box; }
.sct-root { margin: 0; background: #fff; color: var(--ink); }
.sct-root button, .sct-root select, .sct-root input, .sct-root textarea { font: inherit; }
.sct-root button, .sct-root select, .sct-root input, .sct-root textarea { border: 1px solid var(--border); border-radius: 8px; padding: 9px 12px; background: #fff; color: var(--ink); }
.sct-root button { cursor: pointer; }
.sct-root button:hover { border-color: #aeb7c2; }
.sct-root button:disabled { cursor: default; opacity: .42; }
.sct-root h1, .sct-root h2, .sct-root h3, .sct-root p { overflow-wrap: anywhere; }
.sct-root .hidden { display: none !important; }
.sct-root .muted { color: var(--muted); }
.sct-root .eyebrow, .sct-root .section-kicker { margin: 0 0 4px; font-size: .78rem; color: var(--muted); }
.sct-root .primary { font-weight: 700; color: #fff; background: var(--accent); border-color: var(--accent); }
.sct-root .danger { font-weight: 700; color: #fff; background: #8e2e2e; border-color: #8e2e2e; }
.sct-root .quiet { padding: 6px 9px; font-size: .82rem; }
.sct-root .quiet.active { background: #fff7db; border-color: #d6b54a; }

/* dashboard */
.sct-root .dashboard { max-width: 1120px; margin: 0 auto; padding: 24px 20px 44px; display: grid; gap: 26px; }
.sct-root .hero { display: flex; gap: 20px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--border); padding-bottom: 18px; }
.sct-root .hero h1 { margin: 0; font-size: clamp(1.55rem, 4vw, 2.35rem); }
.sct-root .hero p:last-child { margin-bottom: 0; }
.sct-root .overall-card, .sct-root .quick-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; display: flex; align-items: center; justify-content: space-between; gap: 18px; background: #fff; }
.sct-root .overall-card h2, .sct-root .quick-card h2, .sct-root .section-head h2 { margin: 0; font-size: 1.12rem; }
.sct-root .overall-stats { display: grid; grid-template-columns: repeat(3,minmax(100px,1fr)); gap: 9px; min-width: min(100%, 420px); }
.sct-root .stat-box { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: var(--soft); }
.sct-root .stat-box strong { display: block; font-size: 1.25rem; }
.sct-root .stat-box span { font-size: .76rem; color: var(--muted); }
.sct-root .subject-cards { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }
.sct-root .subject-card { border: 1px solid var(--border); border-radius: 14px; padding: 16px; display: grid; gap: 12px; box-shadow: 0 2px 10px rgba(20,33,48,.035); }
.sct-root .subject-card h3 { margin: 0; font-size: 1rem; }
.sct-root .subject-meta { display: flex; justify-content: space-between; gap: 10px; font-size: .8rem; color: var(--muted); }
.sct-root .progress-track { height: 8px; background: #edf0f2; border-radius: 999px; overflow: hidden; }
.sct-root .progress-fill { height: 100%; background: var(--accent); border-radius: inherit; }
.sct-root .subject-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; }
.sct-root .subject-actions .study-subject { grid-column: 1 / -1; }
.sct-root .quick-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* learning screen */
.sct-root .shell { max-width: 1120px; margin: 0 auto; padding: 20px; transition: max-width .2s ease; }
.sct-root .shell.declaration-shell { max-width: 1540px; }
.sct-root .topbar { display: flex; gap: 20px; align-items: end; justify-content: space-between; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.sct-root .title-row { display: flex; align-items: center; gap: 12px; }
.sct-root .back-button { padding: 7px 9px; }
.sct-root .topbar h1 { margin: 0; font-size: clamp(1.25rem, 3vw, 1.9rem); }
.sct-root .filters { display: flex; gap: 8px; align-items: end; flex-wrap: wrap; }
.sct-root .filters label { font-size: .8rem; display: grid; gap: 4px; color: var(--muted); }
.sct-root .exam-toolbar { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }
.sct-root .timer-block { display: grid; text-align: right; }
.sct-root .timer-block span { font-size: .72rem; color: var(--muted); }
.sct-root .timer-block strong { font-variant-numeric: tabular-nums; font-size: 1.35rem; }
.sct-root .timer-block.warning strong { color: var(--warning); }
.sct-root .timer-block.critical strong { color: var(--ng); }
.sct-root .exam-answer-stats { font-size: .78rem; color: var(--muted); }
.sct-root .status { display: flex; justify-content: space-between; gap: 12px; padding: 12px 2px; font-size: .9rem; color: var(--muted); }
.sct-root .question-navigator { display: flex; gap: 5px; overflow-x: auto; padding: 0 0 10px; scrollbar-width: thin; }
.sct-root .question-navigator button { flex: 0 0 auto; width: 36px; height: 34px; padding: 0; font-size: .8rem; border-radius: 8px; }
.sct-root .question-navigator button.current { border-color: var(--accent); outline: 2px solid var(--accent-soft); }
.sct-root .question-navigator button.answered { background: #edf5fb; }
.sct-root .question-navigator button.flagged::after { content: "★"; font-size: .55rem; vertical-align: top; margin-left: 1px; }
.sct-root .question-card { border: 1px solid var(--border); border-radius: 12px; padding: clamp(14px, 2vw, 22px); box-shadow: 0 2px 12px rgba(20,33,48,.04); }
.sct-root .question-card { scroll-margin-top: 16px; }
.sct-root .question-card.declaration-card { padding: 14px; }
.sct-root .question-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; font-weight: 700; margin-bottom: 14px; }
.sct-root .question-head > div:first-child { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.sct-root .question-tools { display: flex; gap: 9px; align-items: center; }
.sct-root .badge { font-weight: 500; font-size: .82rem; color: var(--muted); }
.sct-root .type-badge { display: inline-flex; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .75rem; padding: 3px 8px; }
.sct-root .official-text { white-space: pre-wrap; overflow-wrap: anywhere; font: inherit; line-height: 1.8; margin: 0; }
.sct-root .source-links { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0; }
.sct-root .source-links a { font-size: .86rem; color: var(--accent); }
.sct-root .answer-area { border-top: 1px solid var(--border); margin-top: 18px; padding-top: 18px; display: grid; gap: 10px; }
.sct-root .choice { display: grid; grid-template-columns: auto 1fr; gap: 10px; align-items: start; padding: 9px; border-radius: 8px; }
.sct-root .choice:hover { background: var(--soft); }
.sct-root .choice input { margin-top: 3px; }
.sct-root .slot-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 10px; }
.sct-root .slot { display: grid; gap: 5px; font-weight: 600; }
.sct-root .slot small { color: var(--muted); font-weight: 400; }
.sct-root .actions { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; }
.sct-root .result { margin-top: 16px; border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.sct-root .result.correct-result { border-color: #a5d4bd; background: #f5fbf8; }
.sct-root .result.incorrect-result { border-color: #e0b7b7; background: #fff8f8; }
.sct-root .result h2 { margin-top: 0; }
.sct-root .result details { margin: 12px 0; }
.sct-root .result li { margin-block: 5px; }

/* Declaration-form workspace */
.sct-root .declaration-workspace { display: grid; grid-template-columns: minmax(280px,.85fr) minmax(480px,1.55fr) minmax(260px,.75fr); gap: 12px; min-height: 680px; }
.sct-root .workspace-panel { border: 1px solid var(--border); border-radius: 10px; min-width: 0; background: #fff; overflow: hidden; }
.sct-root .workspace-panel > header { min-height: 45px; padding: 9px 11px; display: flex; gap: 8px; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); background: var(--soft); }
.sct-root .workspace-panel > header h2 { margin: 0; font-size: .92rem; }
.sct-root .workspace-question .panel-scroll { height: 632px; overflow: auto; padding: 14px; }
.sct-root .workspace-question .official-text { font-size: .93rem; line-height: 1.72; }
.sct-root .workspace-docs { display: grid; grid-template-rows: auto 1fr; }
.sct-root .document-toolbar { flex-wrap: wrap; }
.sct-root .document-external-panel { padding: 16px; overflow: auto; background: #f8fafc; }
.sct-root .document-notice, .sct-root .document-missing { margin: 0 0 14px; line-height: 1.7; font-size: .86rem; color: var(--muted); }
.sct-root .document-link-list { display: grid; gap: 10px; }
.sct-root .document-link-card { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 14px; align-items: center; padding: 14px; border: 1px solid var(--border); border-radius: 10px; background: #fff; }
.sct-root .document-link-meta { display: grid; gap: 4px; min-width: 0; }
.sct-root .document-link-meta strong { font-size: .94rem; }
.sct-root .document-link-meta span { font-weight: 700; color: var(--ink); font-size: .84rem; }
.sct-root .document-link-meta small { color: var(--muted); line-height: 1.5; }
.sct-root .document-open-link { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 12px; border: 1px solid var(--accent); border-radius: 9px; text-decoration: none; color: #fff; background: var(--accent); font-weight: 700; font-size: .82rem; white-space: nowrap; }
.sct-root .workspace-answer { display: flex; flex-direction: column; }
.sct-root .workspace-answer .answer-inner { overflow: auto; padding: 12px; flex: 1; }
.sct-root .workspace-answer .answer-area { border: 0; margin: 0; padding: 0; }
.sct-root .workspace-answer .slot-grid { grid-template-columns: 1fr; }
.sct-root .workspace-answer .slot { padding-bottom: 9px; border-bottom: 1px solid #edf0f2; }
.sct-root .answer-help { margin: 0 0 12px; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.sct-root .mobile-tabs { display: none; }

/* exam result */
.sct-root .exam-result-dialog { width: min(720px, calc(100vw - 24px)); border: 0; border-radius: 14px; padding: 0; box-shadow: 0 18px 60px rgba(0,0,0,.2); }
.sct-root .exam-result-dialog::backdrop { background: rgba(15,25,35,.5); }
.sct-root #examResultContent { padding: 22px; }
.sct-root .exam-result-summary { display: grid; grid-template-columns: repeat(3,1fr); gap: 10px; margin: 18px 0; }
.sct-root .exam-result-summary .stat-box { background: #fff; }
.sct-root .result-list { max-height: 42vh; overflow: auto; border-top: 1px solid var(--border); }
.sct-root .result-row { display: grid; grid-template-columns: 1fr auto auto; gap: 12px; align-items: center; padding: 9px 2px; border-bottom: 1px solid #edf0f2; font-size: .86rem; }
.sct-root .result-row .wrong { color: var(--ng); font-weight: 700; }
.sct-root .result-row .correct { color: var(--ok); font-weight: 700; }
.sct-root .dialog-actions { border-top: 1px solid var(--border); padding: 14px 22px; display: flex; justify-content: flex-end; }

@media (max-width: 980px) {
  .sct-root .subject-cards { grid-template-columns: 1fr; }
  .sct-root .declaration-workspace { grid-template-columns: minmax(250px,.8fr) minmax(420px,1.2fr); }
  .sct-root .workspace-answer { grid-column: 1 / -1; }
  .sct-root .workspace-answer .slot-grid { grid-template-columns: repeat(5, minmax(110px,1fr)); }
  .sct-root .workspace-answer .answer-inner { overflow: visible; }
}

@media (max-width: 720px) {
  .sct-root .dashboard { padding: 14px 10px 32px; gap: 18px; }
  .sct-root .hero, .sct-root .overall-card, .sct-root .quick-card { align-items: stretch; flex-direction: column; }
  .sct-root .overall-stats { grid-template-columns: repeat(3,1fr); min-width: 0; }
  .sct-root .stat-box { padding: 9px; }
  .sct-root .stat-box strong { font-size: 1.05rem; }
  .sct-root .subject-actions { grid-template-columns: 1fr; }
  .sct-root .subject-actions .study-subject { grid-column: auto; }
  .sct-root .quick-actions { display: grid; grid-template-columns: 1fr 1fr; }
  .sct-root .shell, .sct-root .shell.declaration-shell { padding: 10px; max-width: none; }
  .sct-root .topbar { align-items: stretch; flex-direction: column; }
  .sct-root .title-row { align-items: flex-start; }
  .sct-root .filters { display: grid; grid-template-columns: 1fr 1fr; }
  .sct-root .filters label { grid-column: 1 / -1; }
  .sct-root .filters select { width: 100%; }
  .sct-root .exam-toolbar { justify-content: space-between; }
  .sct-root .timer-block { text-align: left; }
  .sct-root .status { display: grid; gap: 3px; }
  .sct-root .question-card, .sct-root .question-card.declaration-card { padding: 11px; }
  .sct-root .question-head { align-items: flex-start; }
  .sct-root .question-tools { flex-direction: column; align-items: end; }
  .sct-root .mobile-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 4px; margin-bottom: 9px; }
  .sct-root .mobile-tabs button { padding: 8px 4px; font-size: .84rem; }
  .sct-root .mobile-tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
  .sct-root .declaration-workspace { display: block; min-height: 0; }
  .sct-root .declaration-workspace .workspace-panel { display: none; }
  .sct-root .declaration-workspace[data-mobile-panel="question"] .workspace-question, .sct-root .declaration-workspace[data-mobile-panel="documents"] .workspace-docs, .sct-root .declaration-workspace[data-mobile-panel="answer"] .workspace-answer { display: block; }
  .sct-root .workspace-question .panel-scroll { height: auto; max-height: none; padding: 10px; }
  .sct-root .workspace-docs { min-height: 0; }
  .sct-root .document-link-card { grid-template-columns: 1fr; }
  .sct-root .document-open-link { width: 100%; white-space: normal; text-align: center; }
  .sct-root .workspace-answer .slot-grid { grid-template-columns: 1fr 1fr; }
  .sct-root .actions { position: sticky; bottom: 0; z-index: 20; background: rgba(255,255,255,.96); padding: 9px 0 2px; margin-top: 10px; backdrop-filter: blur(8px); }
  .sct-root .actions button { flex: 1; padding-inline: 5px; font-size: .9rem; }
  .sct-root .exam-result-summary { grid-template-columns: 1fr; }
}

/* v0.5: dataset selection + contextual learning/course guidance */
.sct-root .dataset-picker {display:inline-flex;align-items:center;gap:.5rem;margin-top:.75rem;font-size:.9rem;font-weight:700}
.sct-root .dataset-picker select {min-height:40px;border:1px solid #cbd5e1;border-radius:10px;background:#fff;padding:.45rem .75rem;color:#0f172a}
.sct-root .course-cta {margin-top:1.25rem;padding:1.1rem 1.2rem;border:1px solid #dbe4ee;border-radius:14px;background:#f8fafc}
.sct-root .course-cta p {margin:.25rem 0 .85rem}
.sct-root .course-cta-actions {display:flex;gap:.65rem;flex-wrap:wrap;margin-bottom:.65rem}
.sct-root .course-cta-actions a {display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:.55rem .85rem;border:1px solid #cbd5e1;border-radius:10px;background:#fff;text-decoration:none;color:#0f172a;font-weight:700}
.sct-root .course-cta-actions .primary-link {background:#0f172a;color:#fff;border-color:#0f172a}
.sct-root .course-cta small {color:#64748b}
@media (max-width:640px) {.sct-root .course-cta-actions a {width:100%}}
.sct-root .guidance-card {margin:1.2rem 0;padding:1.15rem;border:1px solid #dbe4ee;border-radius:16px;background:#fff}
.sct-root .guidance-card .course-cta {margin-top:.8rem}


.sct-root .load-error{max-width:760px;margin:2rem auto;padding:1.25rem;border:1px solid #e0b7b7;border-radius:12px;background:#fff8f8}.sct-root .load-error h1{margin-top:0;font-size:1.25rem}

/* v0.7: accessibility, resilient browser storage messaging, print */
.sct-root .skip-link { position: fixed; z-index: 9999; top: 8px; left: 8px; transform: translateY(-160%); background: #fff; color: var(--ink); border: 2px solid var(--accent); border-radius: 8px; padding: 8px 12px; text-decoration: none; font-weight: 700; }
.sct-root .skip-link:focus { transform: translateY(0); }
.sct-root button:focus-visible, .sct-root select:focus-visible, .sct-root input:focus-visible, .sct-root a:focus-visible, .sct-root [tabindex="-1"]:focus-visible { outline: 3px solid rgba(23,74,120,.34); outline-offset: 2px; }
.sct-root .question-card:focus { outline: none; }
.sct-root .question-card:focus-visible { outline: 3px solid rgba(23,74,120,.24); outline-offset: 3px; }
.sct-root .question-label { margin: 0; font-size: 1rem; line-height: 1.4; }
.sct-root .storage-note { margin: 8px 0 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
.sct-root .storage-note.storage-warning { color: var(--ng); font-weight: 700; }
.sct-root .load-error { max-width: 680px; margin: 40px auto; padding: 24px; border: 1px solid var(--border); border-radius: 14px; }
.sct-root .load-error button { margin-top: 8px; }

@media print {
  .sct-root .skip-link, .sct-root .dashboard, .sct-root .topbar, .sct-root .status, .sct-root .question-navigator, .sct-root .mobile-tabs, .sct-root .question-tools, .sct-root .actions, .sct-root .course-cta, .sct-root .dialog-actions { display: none !important; }
  .sct-root .hidden#learningShell, .sct-root #learningShell.hidden { display: block !important; }
  .sct-root .shell, .sct-root .shell.declaration-shell { max-width: none !important; padding: 0 !important; }
  .sct-root .question-card, .sct-root .question-card.declaration-card, .sct-root .result { border: 0 !important; box-shadow: none !important; padding: 0 !important; }
  .sct-root .result.hidden { display: none !important; }
  .sct-root .declaration-workspace { display: block !important; min-height: 0 !important; }
  .sct-root .declaration-workspace .workspace-panel { display: block !important; break-inside: avoid; margin-bottom: 12px; }
  .sct-root .workspace-question .panel-scroll, .sct-root .workspace-answer .answer-inner { height: auto !important; overflow: visible !important; }
  .sct-root .workspace-docs { min-height: 0 !important; }
  .sct-root .document-external-panel { overflow: visible !important; }
  .sct-root .document-open-link { color: var(--ink) !important; background: #fff !important; border: 0 !important; padding: 0 !important; justify-content: flex-start !important; }
  .sct-root .document-open-link::after { content: " (" attr(href) ")"; font-size: .8em; }
  .sct-root .official-text { white-space: pre-wrap !important; }
}

/* v1.2: cross-year practice */
.sct-root .cross-year-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; display: grid; gap: 14px; }
.sct-root .cross-year-form { display: grid; grid-template-columns: minmax(240px,1.6fr) repeat(3,minmax(150px,.7fr)) auto; gap: 10px; align-items: end; }
.sct-root .cross-year-form fieldset { margin: 0; padding: 10px 12px 12px; border: 1px solid var(--border); border-radius: 10px; min-width: 0; }
.sct-root .cross-year-form legend { padding: 0 5px; font-size: .78rem; color: var(--muted); }
.sct-root .cross-year-years { display: flex; gap: 8px 14px; flex-wrap: wrap; }
.sct-root .cross-year-years label { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); font-size: .86rem; }
.sct-root .cross-year-years input { padding: 0; }
.sct-root .cross-year-form > label { display: grid; gap: 4px; color: var(--muted); font-size: .78rem; }
.sct-root .cross-year-form select, .sct-root .cross-year-form button { min-height: 42px; }
.sct-root .cross-year-origin { display: inline-flex; align-items: center; gap: 5px; margin-left: 8px; padding: 2px 7px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: .72rem; font-weight: 700; vertical-align: middle; }
@media (max-width: 980px) {
  .sct-root .cross-year-form { grid-template-columns: 1fr 1fr; }
  .sct-root .cross-year-form fieldset { grid-column: 1 / -1; }
  .sct-root .cross-year-form > button { grid-column: 1 / -1; }
}
@media (max-width: 640px) {
  .sct-root .cross-year-form { grid-template-columns: 1fr; }
  .sct-root .cross-year-form fieldset, .sct-root .cross-year-form > button { grid-column: auto; }
}

/* v1.3: local learning insights + single-year priority practice */
.sct-root .insights-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; display: grid; gap: 14px; }
.sct-root .insight-stats { display: grid; grid-template-columns: repeat(4,minmax(120px,1fr)); gap: 9px; }
.sct-root .insight-subjects { display: grid; gap: 10px; }
.sct-root .insight-subject-row { display: grid; grid-template-columns: minmax(90px,130px) minmax(180px,1fr) minmax(220px,auto); gap: 12px; align-items: center; font-size: .84rem; }
.sct-root .insight-meter { display: flex; height: 10px; overflow: hidden; border-radius: 999px; background: #eef1f4; }
.sct-root .insight-meter > span { display: block; min-width: 0; }
.sct-root .insight-meter-settled { background: #4d8b6d; }
.sct-root .insight-meter-learning { background: #8fb2cf; }
.sct-root .insight-meter-review { background: #cf8a8a; }
@media (max-width: 720px) {
  .sct-root .insight-stats { grid-template-columns: 1fr 1fr; }
  .sct-root .insight-subject-row { grid-template-columns: 1fr; gap: 5px; }
}

/* v1.4: no-account learning data backup / restore */
.sct-root .data-card { border: 1px solid var(--border); border-radius: 14px; padding: 18px; background: #fff; display: grid; gap: 12px; }
.sct-root .data-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.sct-root .danger-outline { color: var(--ng); border-color: #ddb2b2; background: #fff; }
.sct-root .danger-outline:hover { border-color: var(--ng); }
.sct-root .visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
@media (max-width: 620px) { .sct-root .data-actions { display: grid; grid-template-columns: 1fr; } }


/* v1.5.3: PDL1.0 source and modification attribution */
.sct-root .source-attribution { margin: 0; padding: 12px 14px; border: 1px solid var(--border); border-radius: 12px; background: #f8fafc; color: var(--muted); font-size: .78rem; line-height: 1.65; }
.sct-root .source-attribution p { margin: 0; }
.sct-root .source-attribution p + p { margin-top: 5px; }
.sct-root .source-attribution strong { color: var(--ink); }
.sct-root .source-attribution-links { display: flex; flex-wrap: wrap; gap: 6px 12px; }
.sct-root .source-attribution-links a { color: var(--accent); font-weight: 700; text-underline-offset: 2px; }
.sct-root .source-attribution-note { font-size: .74rem; }
@media (max-width: 620px) {
  .sct-root .source-attribution { padding: 10px 11px; font-size: .75rem; }
  .sct-root .source-attribution-links { display: grid; gap: 4px; }
}