/* Shared product layout: readable lessons, discoverable practice, usable touch targets. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
body { margin: 0; }
button, input, select, textarea { font: inherit; }
button, a, input, select, summary { -webkit-tap-highlight-color: transparent; }
button { touch-action: manipulation; }
button, input, select, summary { min-height: 44px; }
button, .btn, .opt { overflow-wrap: anywhere; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible,
summary:focus-visible, [tabindex]:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.wrap { width: 100%; max-width: 800px; padding: 20px 24px 64px; }
.wrap:has(.dashboard), .wrap:has(#decisionPracticePanel) { max-width: 1184px; }
.wrap > *, .block > *, .library > *, .dashboard > *, .journey-fields > *,
.signcard .body, .tts-bar > *, .decision-grid > * { min-width: 0; }
.block { padding: clamp(20px, 3vw, 28px); }
.btn, .opt { min-height: 48px; }
.btn-row { flex-wrap: wrap; }
.btn-row .btn { flex: 1 1 200px; min-width: 0; }
.block > .btn { min-width: 0; max-width: 100%; }
.ti { width: 20px; height: 20px; flex: none; display: inline-block; vertical-align: middle; }
.topbar { padding: 12px 0; gap: 12px; }
.topbar .brand { white-space: nowrap; }
.topbar .prog { min-width: 16px; }
.topbar .theme-toggle, .topbar .speak { width: 44px; height: 44px; }
.backbar { padding: 10px 0; margin-bottom: 16px; }
.backbar button { width: 44px; height: 44px; flex: none; border: 1px solid var(--line); border-radius: 10px; }
.backbar .ttl { line-height: 1.3; }
.hero { margin-top: 8px; margin-bottom: 16px; }
.hero h1 { font-size: clamp(34px,4.4vw,54px); line-height: 1.07; letter-spacing: -1px; }
.hero-note { color: var(--ink-soft); }
.next-step { align-content: start; }
.next-step .btn { width: 100%; max-width: 100%; }
.next-step a { color: #b5efc9; }
.next-step .trust-note { color: #daede2; }
html[data-theme="dark"] .next-step { background: #163727; color: #fffdf8; }
html[data-theme="dark"] .hero .kicker { color: #8ee9ae; }
.status-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
.status-item { padding: 12px; }
.status-item span { font-size: 13px; line-height: 1.5; }
.dashboard .block { margin-bottom: 0; }
.dashboard { margin-bottom: 20px; }
.readiness-evidence { font-size: 14px; }
.readiness-evidence summary { display: list-item; padding: 10px 0; cursor: pointer; }
.journey-step { grid-template-columns: 36px minmax(0,1fr); }
.journey-step button { min-height: 44px; text-align: left; line-height: 1.4; }
.journey-fields input, .journey-fields select, .atlas-toolbar select { width: 100%; min-width: 0; max-width: 100%; font-size: 16px; }
input[type="date"] { appearance: none; -webkit-appearance: none; }
input[type="range"] { min-height: 44px; }
input[type="checkbox"] { min-height: 24px; width: 24px; height: 24px; }
.task-row { min-height: 48px; }
.span-table { table-layout: fixed; width: 100%; }
.span-table th, .span-table td { overflow-wrap: anywhere; padding: 10px 6px; }
.question-source, .footnote, .reference-note { overflow-wrap: anywhere; }
.decision-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.decision-routes { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.decision-routes .btn { margin: 0; }
.decision-grid .btn, .decision-routes .btn { border: 1px solid var(--line-soft); border-radius: 12px; padding: 18px; }
#decisionPracticePanel .decision-toolbar { border-top: 1px solid var(--line-soft); padding-top: 16px; }
#decisionPracticePanel .decision-toolbar .btn { width: auto; margin: 0; }
#decisionPracticePanel h3 { margin: 28px 0 8px; }
.decision-screen .block > .btn { width: 100%; text-align: left; }
.decision-art { max-width: 100%; }
.app-update { bottom: max(12px,env(safe-area-inset-bottom)); }
@media (min-width: 980px) {
  .wrap:has(.dashboard) { padding-left: 32px; padding-right: 32px; }
  .dashboard { grid-template-columns: minmax(0,1fr) minmax(0,1fr); }
  .dashboard .next-step { grid-row: auto; }
  .status-item { display: flex; align-items: center; gap: 16px; }
  .status-item b { font-size: 24px; }
  .hero-copy { max-width: 820px; }
  #decisionPracticePanel .decision-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .decision-routes { grid-template-columns: repeat(3,minmax(0,1fr)); }
}
@media (max-width: 600px) {
  .wrap { padding: 12px 16px 48px; }
  .hero { padding: 24px 20px; }
  .hero h1 { max-width: 17ch; }
  .topbar { gap: 6px; }
  .topbar .brand { font-size: 13px; }
  .topbar .prog-label { display: none; }
  .status-grid { grid-template-columns: 1fr; }
  .status-item { display: flex; align-items: center; gap: 16px; }
  .status-item b { min-width: 44px; }
  .decision-grid, .decision-routes { grid-template-columns: 1fr; }
  .decision-toolbar { align-items: stretch; }
  #decisionPracticePanel .decision-toolbar .btn { width: 100%; }
  .signgrid { grid-template-columns: 1fr; }
  .journey-fields { grid-template-columns: 1fr; }
}
@media (max-width: 360px) {
  .wrap { padding-left: 12px; padding-right: 12px; }
  .block { padding: 18px 16px; }
  .topbar .brand { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

.section-drill-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.section-drill-grid .btn { width: 100%; min-width: 0; margin: 0; padding: 18px; border: 1px solid var(--line-soft); border-radius: 12px; }
@media(min-width:980px) { .section-drill-grid { grid-template-columns: repeat(4,minmax(0,1fr)); } }
@media(max-width:600px) { .section-drill-grid { grid-template-columns: 1fr; } }
/* Text and action colors keep contrast in both themes. */
:root { --accent: #087b35; --action: #087b35; --accent-dark: #075e29; --ok: #087b35; --warn: #855707; --ink-faint: #70685d; }
html[data-theme="dark"] { --accent: #62d58e; --accent-dark: #8fe7ae; --ok: #62d58e; --warn: #f1c66e; --err: #ff9a88; --ink-faint: #b4ab9e; }
.btn-primary, .btn-ok, .app-update button { background: var(--action); color: #fff; }
.btn-primary:hover, .btn-ok:hover, .app-update button:hover { background: #08682d; }
/* Both faces contribute their natural height, so long explanations never overlap controls. */
.flash-card { display: grid; }
.flash-face { position: relative; inset: auto; grid-area: 1 / 1; min-height: 240px; }
a { color: var(--accent-dark); text-underline-offset: 3px; }

/* Task-based hierarchy shared by every screen. */
.product-nav { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 4px; background: var(--warm); padding: 5px; border: 1px solid var(--line-soft); border-radius: 12px; margin: 4px 0 20px; }
.product-nav button { min-width: 0; border: 0; border-radius: 8px; padding: 10px 4px; background: transparent; color: var(--ink-soft); font-size: 14px; font-weight: 600; cursor: pointer; }
.product-nav button[aria-current="page"] { background: var(--paper); color: var(--ink); box-shadow: 0 1px 3px var(--line); }
.product-nav button:hover { color: var(--accent-dark); }
.backbar { position: relative; top: auto; }
.plan-intro { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin: 28px 0 24px; }
.plan-intro h1 { margin: 0 0 6px; font-size: clamp(26px,3vw,34px); line-height: 1.15; letter-spacing: -.7px; }
.plan-intro p { margin: 0; color: var(--ink-soft); font-size: 15px; }
.plan-intro .kicker { color: var(--accent-dark); font-size: 11px; margin-bottom: 6px; }
.plan-settings { flex: none; border: 1px solid var(--line); background: var(--paper); color: var(--ink-soft); border-radius: 10px; padding: 10px 14px; font-size: 13px; cursor: pointer; }
.plan-settings .ti { margin-left: 8px; }
.block h1 { margin: 0 0 10px; font-size: 28px; line-height: 1.15; letter-spacing: -.6px; }
.path-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 20px; }
.path-card { display: flex; align-items: center; gap: 14px; padding: 18px; text-align: left; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); color: var(--ink); cursor: pointer; }
.path-card:hover { border-color: var(--accent); background: var(--accent-soft); }
.path-number { flex: none; width: 32px; height: 32px; border-radius: 50%; background: var(--warm); display: grid; place-items: center; color: var(--accent-dark); font-size: 14px; font-weight: 700; }
.path-card > span:nth-child(2) { min-width: 0; flex: 1; }
.path-card b { display: block; font-size: 17px; margin-bottom: 4px; }
.path-card span span { display: block; font-size: 13px; color: var(--ink-soft); line-height: 1.5; }
.home-utilities { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; margin: 20px 0; }
.home-utilities button { border: 0; background: none; color: var(--accent-dark); font-size: 13px; padding: 10px 8px; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.hub-list { display: grid; gap: 12px; }
.hub-list .btn { margin: 0; border: 1px solid var(--line); background: var(--paper); border-radius: 12px; }
.assessment-choices { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.assessment-choices .mini { display: flex; flex-direction: column; padding: 20px; }
.assessment-choices h2 { font-size: 20px; }
.assessment-choices p { flex: 1; font-size: 15px; color: var(--ink-soft); }
.assessment-choices .btn { margin-top: 12px; padding: 14px; text-align: center; }
.drive-more { margin-top: 16px; border-top: 1px solid var(--line); }
.drive-more > summary { padding: 16px 0; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--accent-dark); }
#decisionPracticePanel .drive-quick { grid-template-columns: repeat(3,minmax(0,1fr)); }
@media(max-width:600px) { .plan-intro { align-items: flex-start; flex-direction: column; gap: 12px; margin-top: 20px; } .plan-settings { width: 100%; text-align: left; } .product-nav button { font-size: 12px; } .path-grid,.assessment-choices,#decisionPracticePanel .drive-quick { grid-template-columns: 1fr; } }

.topic-breakdown { border-top: 1px solid var(--line-soft); margin-top: 12px; font-size: 14px; }
.topic-breakdown > summary { padding: 12px 0; cursor: pointer; font-weight: 600; }
/* A single type system, with wider grids reserved for comparable study cards. */
body { font-family: 'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif; font-size: 16px; line-height: 1.6; }
h1,h2,h3,.next-step h2,.result-title { font-family: inherit; }
.next-step h2 { font-size: clamp(25px,2.8vw,32px); line-height: 1.18; font-weight: 700; letter-spacing: -.6px; }
.block h2 { font-size: 22px; line-height: 1.3; }
.block h3 { font-size: 18px; line-height: 1.4; }
.btn,.opt { font-size: 16px; line-height: 1.45; }
.btn .sub { font-size: 13px; line-height: 1.5; }
.block p { line-height: 1.6; }
.wrap:has(.lesson-reader) { max-width: 1184px; }
.lesson-actions { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0; }
.lesson-actions .btn { flex: 1 1 220px; margin: 0; text-align: center; }
.lesson-tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--line); padding-bottom: 12px; margin-bottom: 20px; }
.lesson-tabs button { padding: 10px 16px; border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink-soft); font-weight: 600; cursor: pointer; }
.lesson-tabs button[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-dark); }
.reader-tools { display: grid; grid-template-columns: minmax(0,1fr); gap: 12px; }
.reader-tools label { display: block; color: var(--ink-soft); font-size: 13px; font-weight: 600; }
.reader-tools input { display: block; width: 100%; margin-top: 6px; padding: 12px 14px; background: var(--paper); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; font-size: 16px; }
.reader-count { color: var(--ink-soft); font-size: 13px; margin: 12px 0; }
.lesson-grid,.review-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; }
.lesson-grid > *, .review-grid > * { min-width: 0; margin: 0; }
.lesson-grid .story { padding: 18px; border: 1px solid var(--line); background: var(--paper); border-radius: 12px; }
.lesson-grid .story .q { font-size: 17px; font-weight: 600; line-height: 1.45; letter-spacing: -.2px; }
.lesson-grid .story .a { font-size: 15px; line-height: 1.65; margin-top: 10px; }
.reader-pages { display: grid; grid-template-columns: minmax(0,1fr) auto minmax(0,1fr); align-items: center; gap: 12px; margin-top: 20px; border-top: 1px solid var(--line); padding-top: 16px; }
.reader-pages button { border: 1px solid var(--line); border-radius: 9px; background: var(--paper); color: var(--ink); font-size: 14px; padding: 10px; cursor: pointer; }
.reader-pages button:disabled { opacity: .45; cursor: default; }
.reader-pages span { font-size: 13px; color: var(--ink-soft); text-align: center; }
.lesson-reference,.review-section { border-top: 1px solid var(--line); margin-top: 20px; }
.lesson-reference summary,.review-section > summary { padding: 16px 0; cursor: pointer; font-size: 14px; font-weight: 600; }
.review-card .t { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.review-card .t > span { min-width: 0; }
.review-remove { float: none; flex: none; font-size: 12px; min-height: 36px; }
.review-art .decision-art { width: 64px; height: 64px; margin: 0; padding: 4px; }
.empty-state { padding: 24px; border: 1px dashed var(--line); border-radius: 10px; color: var(--ink-soft); font-size: 15px; }
.reader-results:focus { outline-offset: 5px; }
.lesson-reader .signcard .name { font-size: 16px; }
.lesson-reader .signcard .mean { font-size: 15px; }
.lesson-reader .signcard .analogy { font-size: 13px; line-height: 1.6; }
.lesson-grid .mem { margin: 0; align-items: flex-start; border: 1px solid var(--line); padding: 16px; border-radius: 12px; }
html[data-theme="dark"] .sign-legend .stop { color: #ffb1b1; }
html[data-theme="dark"] .sign-legend .must { color: #9fc8ff; }
html[data-theme="dark"] .sign-legend .warn { color: #f1c66e; }
html[data-theme="dark"] .sign-legend .info { color: #8fe7ae; }
@media(min-width:900px) { .reader-tools { max-width: 520px; } }
@media(max-width:700px) { .lesson-grid,.review-grid { grid-template-columns: 1fr; } .lesson-tabs button { flex: 1; padding: 10px; font-size: 14px; } }
@media(max-width:380px) { .reader-pages { gap: 6px; } .reader-pages button { font-size: 13px; padding: 10px 6px; } }
.memory-note { margin-top: 10px; font-size: 13px; color: var(--ink-soft); }
.memory-note summary { cursor: pointer; min-height: 32px; padding: 6px 0; font-weight: 600; color: var(--accent-dark); }
.memory-note p { margin: 6px 0 0; padding: 10px; border-radius: 8px; background: var(--warm); }
.plan-route { border: 1px solid var(--line); border-radius: 12px; margin: 0 0 16px; padding: 0 20px; }
.plan-route > summary { padding: 16px 0; font-weight: 600; cursor: pointer; }
.plan-route .block { border: 0; padding: 10px 0; }
@media(max-width:600px) { .lesson-reader .signcard { display: grid; grid-template-columns: 72px minmax(0,1fr); gap: 12px; padding: 14px; } .lesson-reader .signcard .art { width: 72px; height: 72px; } .lesson-reader .signcard .body { min-width: 0; } }

/* Clarity system: cream canvas, restrained sage, decisive green actions. */
:root { --r-std: 10px; --r-lg: 12px; --action: #076a36; --accent: #08743a; --accent-dark: #075e30; --line: #d8d8cb; --line-soft: #e7e6dc; }
html[data-theme="dark"] { --line: #41483e; --line-soft: #30372f; --accent: #76d39a; --accent-dark: #a0e9ba; }
body { letter-spacing: -.1px; }
.topbar { border-bottom: 0; }
.activity-meter { flex: 1; max-width: 220px; min-width: 65px; margin-left: auto; }
.activity-count { display: block; margin-bottom: 5px; color: var(--ink-soft); font-size: 11px; font-weight: 600; line-height: 1.3; }
.activity-meter .prog { width: 100%; height: 4px; min-width: 0; margin: 0; }
.prog i { transition: width .22s ease-out; }
.product-nav { background: transparent; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 0; gap: 8px; margin-bottom: 24px; }
.product-nav button { border-radius: 0; min-height: 48px; border-bottom: 3px solid transparent; margin-bottom: -1px; color: var(--ink-soft); }
.product-nav button[aria-current="page"] { background: transparent; border-bottom-color: var(--accent); color: var(--accent-dark); box-shadow: none; }
.plan-intro { margin: 32px 0 28px; }
.plan-intro h1 { font-size: clamp(29px,3.6vw,43px); max-width: 18ch; letter-spacing: -1.2px; line-height: 1.1; margin-bottom: 12px; }
.plan-intro .kicker { letter-spacing: .9px; }
.plan-settings { background: transparent; border-radius: 8px; }
.dashboard { overflow: hidden; border: 1px solid var(--line); border-radius: 12px; background: var(--paper); gap: 0; }
.dashboard .next-step { border: 0; border-left: 4px solid var(--action); border-radius: 0; background: transparent; color: var(--ink); box-shadow: none; padding: clamp(24px,3vw,36px); }
html[data-theme="dark"] .dashboard .next-step { background: transparent; color: var(--ink); }
.next-step .kicker { color: var(--accent-dark); font-size: 11px; letter-spacing: 1px; margin-top: 24px; }
.next-step h2 { font-size: clamp(28px,3vw,36px); max-width: 17ch; margin: 10px 0 14px; }
.next-step p { color: var(--ink-soft); font-size: 15px; line-height: 1.65; }
.next-step .btn { margin-top: 20px; }
.next-step .trust-note { border: 0; color: var(--ink-soft); padding: 0; font-size: 12px; margin: 14px 0 0; }
.next-meta { gap: 20px; }
.next-meta span { padding: 0; border: 0; border-radius: 0; background: transparent; color: var(--ink-soft); font-size: 12px; }
.dashboard .readiness-panel { border: 0; border-left: 1px solid var(--line); border-radius: 0; padding: clamp(24px,3vw,36px); }
.readiness-heading { display: flex; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 12px; }
.readiness-heading .kicker { margin: 0; }
.readiness-number { color: var(--ink); font-size: 36px; font-weight: 700; line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -1px; }
.readiness-number small { color: var(--ink-soft); font-size: 14px; font-weight: 500; letter-spacing: 0; margin-left: 3px; }
.readiness-panel .lead { font-size: 14px; }
.readiness-panel .status-grid { display: grid; grid-template-columns: 1fr; gap: 0; margin: 20px 0 0; }
.readiness-panel .status-item { display: flex; align-items: center; gap: 16px; border: 0; border-bottom: 1px solid var(--line-soft); border-radius: 0; background: transparent; padding: 12px 0; }
.readiness-panel .status-item b { min-width: 48px; font-size: 20px; }
.readiness-panel .footnote { text-align: left; font-size: 12px; }
.study-path.block { border: 0; padding: 24px 0; background: transparent; }
.path-grid { gap: 0 28px; margin-top: 8px; }
.path-card { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 18px 0; background: transparent; }
.path-card:hover { background: transparent; color: var(--accent-dark); }
.path-number { background: transparent; border: 1px solid var(--line); border-radius: 6px; font-size: 12px; }
.path-card b { font-size: 16px; }
.btn { border-radius: 8px; box-shadow: none; font-weight: 600; }
.btn-primary,.btn-ok { background: var(--action); color: #fff; border: 1px solid var(--action); padding: 15px 20px; }
.btn-soft { background: transparent; border: 1px solid var(--line); color: var(--ink); }
.btn-ghost { background: transparent; color: var(--accent-dark); }
.mini,.block,.signcard { box-shadow: none; }
.lesson-reader { border-radius: 12px; }
.lesson-reader .lesson-actions { padding: 0 0 18px; border-bottom: 1px solid var(--line); }
.lesson-reader .signgrid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 0 20px; }
.lesson-reader .signcard { display: flex; flex-direction: column; align-items: flex-start; gap: 12px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 20px 0; }
.lesson-reader .signcard .art { width: 76px; height: 76px; padding: 0; background: transparent; }
.lesson-reader .signcard .name { font-size: 16px; line-height: 1.4; }
.lesson-reader .signcard .mean { font-size: 14px; margin: 8px 0 0; line-height: 1.55; }
.lesson-reader .signcard .fam { display: inline-block; margin: 5px 8px 0 0; font-size: 10px; border-radius: 4px; }
.lesson-reader .signcard .speak { border-color: var(--line); border-radius: 6px; }
.lesson-tabs button { background: transparent; border: 0; border-radius: 0; border-bottom: 2px solid transparent; }
.lesson-tabs button[aria-pressed="true"] { background: transparent; border-bottom-color: var(--accent); }
.reader-pages { border: 0; padding-top: 8px; }
.lesson-reader .reader-next:not(:disabled) { background: var(--action); color: #fff; border-color: var(--action); font-weight: 600; }
.reader-check { width: 100%; margin-top: 16px; }
.opt { border: 1px solid var(--line); border-radius: 8px; background: var(--paper); padding: 15px 18px; font-size: 16px; font-weight: 500; }
.opt.correct { border: 2px solid var(--ok); padding: 14px 17px; background: var(--ok-soft); color: var(--ink); }
.opt.correct::after { content: ' ✓'; font-weight: 700; color: var(--ok); }
.opt.wrong { border-color: var(--err); background: var(--err-soft); }
.feedback { border-radius: 8px; border: 1px solid var(--line); padding: 18px 20px; font-size: 15px; line-height: 1.65; }
.feedback.ok { border-left: 4px solid var(--ok); background: var(--ok-soft); animation: answer-confirm .18s ease-out; }
.feedback.no { border-left: 4px solid var(--err); background: var(--err-soft); }
@keyframes answer-confirm { from { opacity: .6; transform: translateY(3px); } to { opacity: 1; transform: translateY(0); } }
.app-update { position: static; transform: none; left: auto; right: auto; bottom: auto; width: 100%; max-width: none; margin: 0 0 20px; border: 1px solid var(--line); border-radius: 8px; box-shadow: none; padding: 12px; background: var(--paper); color: var(--ink-soft); font-size: 13px; }
.app-update[hidden] { display: none !important; }
.app-update button { font-size: 12px; }
.section-drill-grid .btn,.decision-grid .btn,.decision-routes .btn,.hub-list .btn { background: transparent; border-radius: 8px; }
@media(max-width:979px) { .dashboard { display: grid; grid-template-columns: 1fr; } .dashboard .readiness-panel { border-left: 0; border-top: 1px solid var(--line); } }
@media(min-width:701px) and (max-width:1000px) { .lesson-reader .signgrid { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:700px) { .lesson-reader .signgrid { grid-template-columns: 1fr; } .lesson-reader .signcard { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 16px; padding: 18px 0; } .lesson-reader .signcard .art { width: 64px; height: 64px; } .lesson-reader .signcard .fam { margin-left: 0; } }
@media(max-width:600px) { #topbarInstall { display: none; } .activity-meter { max-width: 110px; } .topbar { gap: 8px; padding: 8px 0; } .topbar .brand { font-size: 12px; } .activity-count { font-size: 10px; } .product-nav { gap: 2px; } .product-nav button { padding: 10px 2px; font-size: 12px; white-space: nowrap; } .plan-intro { margin: 24px 0; } .plan-intro h1 { max-width: 17ch; } .dashboard .next-step,.dashboard .readiness-panel { padding: 24px 20px; } .path-grid { grid-template-columns: 1fr; } .lesson-actions .btn { flex-basis: auto; font-size: 14px; padding: 10px 12px; } .lesson-actions { gap: 4px; } }
@media(prefers-reduced-motion:reduce) { .feedback.ok { animation: none; } .prog i { transition: none; } }
/* Keep navigation with the product header, rather than floating the brand alone. */
.app-header { position: sticky; top: 0; z-index: 35; background: var(--paper); }
.app-header .topbar { position: static; }
.app-header .product-nav { margin-bottom: 0; }
.app-header + .backbar { margin-top: 20px; }
.lesson-reader .signcard:hover { transform: none; box-shadow: none; }
.feedback.ok,.feedback.no,html[data-theme="dark"] .feedback.ok,html[data-theme="dark"] .feedback.no { color: var(--ink); }
.opt:disabled { opacity: 1; }
.opt:disabled:not(.correct):not(.wrong) { color: var(--ink-soft); }
@media(max-height:500px) and (orientation:landscape) { .app-header .topbar { padding: 4px 0; } .app-header .topbar button { height: 36px; min-height: 36px; width: 36px; } .app-header .product-nav button { min-height: 40px; padding: 6px 2px; } }
html { scroll-padding-top: 144px; }
@media(max-height:500px) and (orientation:landscape) { html { scroll-padding-top: 100px; } }

/* One product shell; comparison grids expand without stretching reading lines. */
.wrap, .wrap:has(.dashboard), .wrap:has(#decisionPracticePanel), .wrap:has(.lesson-reader) { max-width: 1184px; padding-inline: clamp(16px,3vw,32px); }
.app-header { padding-top: env(safe-area-inset-top,0px); }
.block { border-radius: 12px; }
.wrap > .block { margin: 20px 0; }
.block > .lead { max-width: 76ch; }
.block.center { text-align: left; }
.block.center .result-title { font-size: clamp(24px,3vw,32px); line-height: 1.2; margin-block: 12px; }
.block.center .result-sub { max-width: 75ch; margin-inline: 0; }
.badge-xl { display: none; }
.stat-grid { max-width: 720px; }
.stat-grid .stat { background: transparent; border: 1px solid var(--line); border-radius: 8px; }
.stat-grid .n { font-size: 28px; }
.library { grid-template-columns: repeat(3,minmax(0,1fr)); }
.library .btn { border: 0; border-bottom: 1px solid var(--line); border-radius: 0; background: transparent; padding: 16px 8px; }
.library .btn:hover { background: var(--warm); }
.hub-list { grid-template-columns: repeat(3,minmax(0,1fr)); }
.hub-list .btn { display: flex; flex-direction: column; justify-content: flex-start; align-items: flex-start; padding: 22px; }
.hub-list .sub { margin-top: 12px; }
.resume-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 20px 0; }
.resume-list:has(> :only-child), .resume-list:not(:has(.recovery-row)) { margin: 0; }
.resume-list > * { min-width: 0; }
.recovery-row.block { background: transparent; border: 0; border-top: 1px solid var(--line); border-radius: 0; padding: 16px 0; margin: 0; }
.recovery-row h2 { font-size: 17px; margin: 0 0 6px; }
.recovery-row p { font-size: 13px; margin: 0 0 10px; color: var(--ink-soft); }
.recovery-row .btn { font-size: 14px; margin: 4px 8px 0 0; padding: 10px 12px; width: auto; }
.practice-goals { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin: 20px 0; }
.practice-goals .btn { margin: 0; text-align: left; }
.full-topic summary { font-size: 14px; font-weight: 600; cursor: pointer; padding: 12px 0; }
.drive-scope { border-top: 1px solid var(--line); padding: 16px 0; }
/* Keep the lesson itself within reach. Search and a concise legend precede six signs. */
.lesson-reader { padding-top: 20px; }
.lesson-reader .kicker { margin: 0 0 4px; }
.lesson-reader .lead { margin: 6px 0 12px; font-size: 14px; }
.lesson-reader .lesson-tabs { margin-bottom: 8px; padding-bottom: 0; }
.sign-key { font-size: 13px; margin: 4px 0 8px; }
.sign-key > summary { cursor: pointer; min-height: 32px; padding: 4px 0; color: var(--ink-soft); }
.sign-key .sign-legend { margin: 6px 0; }
.reader-tools input { padding: 8px 12px; }
.reader-count { margin: 8px 0 0; }
.lesson-reader .lesson-actions { margin: 16px 0 0; padding: 16px 0 0; border-top: 1px solid var(--line); border-bottom: 0; }
/* Questions use one reading width and a predictable progression control. */
.wrap:has(.opt) > .block, .wrap:has(.opt) > .timer { max-width: 780px; margin-inline: auto; }
.question-title, .block:has(.opt) > h2 { font-size: clamp(21px,2.3vw,26px); line-height: 1.4; letter-spacing: -.4px; }
.block:has(.opt) .next { display: block; width: 100%; text-align: center; margin-top: 20px; }
.block:has(.opt) .next.hidden { display: none; }
.block:has(.opt) .feedback { margin-top: 16px; }
.block:has(.opt) .btn-soft:not(.next) { font-size: 14px; min-height: 44px; padding: 10px 14px; }
.backbar .sc { font-size: 13px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
/* Saved mistakes are rows with one retry action. Details stay secondary. */
.review-grid { grid-template-columns: 1fr; gap: 0; }
.review-card.mini { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: start; column-gap: 24px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; padding: 20px 0; min-height: 0; }
.review-card .t { font-size: 16px; line-height: 1.5; }
.review-card .review-art { grid-column: 1; }
.review-card .d { grid-column: 1; font-size: 14px; margin-top: 8px; }
.review-card .review-retry { grid-column: 2; grid-row: 1 / span 3; margin: 0; width: auto; font-size: 14px; padding: 10px 14px; }
.review-card .footnote { grid-column: 1; margin: 8px 0 0; text-align: left; font-size: 12px; }
.review-remove { background: transparent; border: 1px solid var(--line); color: var(--ink-soft); border-radius: 6px; margin: 8px 0; padding: 8px 12px; min-height: 44px; }
.controls-figure { float: right; width: min(45%,440px); margin: 0 0 24px 32px; }
.controls-figure figcaption { font-size: 12px; color: var(--ink-soft); margin-top: 8px; }
.controls-figure .cockpit-diagram { width: 100%; }
.block:has(.controls-figure)::after { content: ''; display: block; clear: both; }
.block:has(.controls-figure) .lesson-grid { grid-template-columns: 1fr; }
.block:has(.controls-figure) #quiz3 { clear: both; }
.flash-stage { max-width: 760px; margin-inline: auto; }
.flash-ctl { max-width: 760px; margin-inline: auto; }
.flash-ctl button:disabled { opacity: .5; cursor: default; }
.stopping-steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; padding-left: 24px; }
.stopping-steps li { padding-left: 4px; }
.stopping-steps strong { display: block; }
.tool-disclosure > summary, .question-source summary, .d > summary { cursor: pointer; min-height: 44px; padding-block: 10px; }
#installStudyApp { font-size: 13px; }
/* Long text and increased text size must reflow; fixed dimensions are only for art. */
input,select,textarea { color: var(--ink); background: var(--paper); }
select { padding: 10px; border: 1px solid var(--line); border-radius: 8px; }
.journey-fields { margin-block: 16px 20px; }
.journey-fields label { font-size: 13px; font-weight: 600; }
.opt:focus-visible { outline-offset: 3px; }
@media(max-width:800px) { .library { grid-template-columns: repeat(2,minmax(0,1fr)); } .hub-list { grid-template-columns: 1fr; } .hub-list .btn { padding: 16px; } .hub-list .sub { margin-top: 6px; } .controls-figure { float: none; width: min(100%,440px); margin: 16px auto; } }
@media(max-width:600px) { .resume-list,.practice-goals { grid-template-columns: 1fr; } .resume-list { gap: 0; } .review-card.mini { display: block; } .review-card .review-retry { margin-top: 12px; width: 100%; } .stopping-steps { grid-template-columns: 1fr; gap: 14px; } .block.center .result-title { font-size: 25px; } .wrap > .block { margin-block: 16px; } .block { padding: 20px 16px; } .library { gap: 0 12px; } .library .btn { font-size: 14px; padding-inline: 0; } .lesson-reader h1 { font-size: 25px; } }
@media(max-height:500px) and (orientation:landscape) { .app-header { position: static; } }
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; } }
.section-drill-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
@media(max-width:600px) { .section-drill-grid { grid-template-columns: repeat(2,minmax(0,1fr)); } .section-drill-grid .btn { padding: 14px 12px; font-size: 14px; } .section-drill-grid .sub { font-size: 12px; } }
@media(max-width:360px) { .section-drill-grid { grid-template-columns: 1fr; } }
@media(max-width:600px) { .question-art { width: 128px; height: 128px; } .question-art img { width: 128px; height: 128px; } }
/* Evidence and short practice share the existing product scale. */
.evidence-strip { border-top: 1px solid var(--line); margin-top: 16px; padding-top: 8px; }
.evidence-strip p { margin: 8px 0; font-size: 14px; line-height: 1.55; }
.evidence-strip strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.practice-length { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin: 12px 0 20px; }
.practice-length select, #diagnosticCode, #progressFile { padding: 12px; max-width: 100%; min-height: 48px; border: 1px solid var(--line); border-radius: 10px; background: var(--paper); color: var(--ink); }
#diagnosticCode { display: block; width: 100%; margin: 8px 0 20px; }
.text-button { border: 0; padding: 4px 0; color: inherit; background: transparent; text-decoration: underline; cursor: pointer; }
.art-viewer { max-width: min(92vw,760px); width: 100%; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--paper); color: var(--ink); }
.art-viewer::backdrop { background: rgb(0 0 0 / .65); }
.art-viewer img, .art-viewer svg { display: block; width: 100%; height: auto; max-height: 65dvh; object-fit: contain; }
.art-expand { display: block; margin: 8px auto; padding: 8px 14px; min-height: 44px; background: transparent; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; }
.coverage-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.coverage-table th, .coverage-table td { padding: 12px 8px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; overflow-wrap: anywhere; }
@media (max-width:480px) { .practice-length { align-items: stretch; flex-direction: column; } .coverage-table { font-size: 12px; } .coverage-table th,.coverage-table td { padding: 10px 4px; } }
.connection-label { display:block; margin-top:4px; color:var(--ink-soft); font-size:10px; font-weight:500; letter-spacing:0; line-height:1.3; }
.signcard > .art-expand { grid-column:2; margin:0; width:fit-content; font-size:12px; }
.question-art + .art-expand { margin: -4px auto 20px; }
.review-art + .art-expand { display:inline-block; margin:4px 0 12px; vertical-align:middle; font-size:12px; }

/* Audited interface rhythm: task first, compact chrome, readable supporting text. */
:root { --type-caption: .8125rem; --type-body: 1rem; --type-section: 1.375rem; }
.plan-intro { margin: 24px 0; gap: 24px; }
.plan-intro h1 { font-size: clamp(26px,2.5vw,32px); max-width: none; letter-spacing: -.7px; margin-bottom: 8px; }
.plan-intro .kicker { font-size: 12px; }
.plan-settings { font-size: 14px; }
.dashboard { align-items: start; grid-template-columns: minmax(0,1.35fr) minmax(0,1fr); }
.dashboard .next-step, .dashboard .readiness-panel { padding: 28px; }
.dashboard .next-step { display: flex; flex-direction: column; gap: 0; }
.next-meta span, .next-step .trust-note { font-size: var(--type-caption); }
.next-step .kicker { margin: 20px 0 8px; font-size: 12px; }
.next-step h2 { margin: 0 0 12px; font-size: clamp(24px,2.4vw,28px); max-width: 25ch; line-height: 1.2; }
.next-step .btn { margin-top: 20px; }
.next-step .trust-note { margin-top: 12px; }
.readiness-panel h2 { font-size: 20px; margin-bottom: 8px; }
.readiness-panel .lead { margin-bottom: 12px; }
.readiness-number { font-size: 28px; }
.readiness-breakdown > summary { cursor: pointer; padding: 10px 0; min-height: 44px; font-size: 14px; font-weight: 600; color: var(--accent-dark); }
.readiness-panel .status-grid { margin-top: 0; }
.readiness-panel .footnote { margin-top: 12px; font-size: var(--type-caption); }
.activity-count, .connection-label { font-size: 12px; }
.product-nav { display: flex; gap: 8px; }
.product-nav button { flex: 0 1 auto; padding-inline: 20px; font-size: 14px; }
.block h1, .block h2, .plan-intro h1, .next-step h2 { text-wrap: balance; }
.block:has(> .hub-list), .block:has(> .assessment-choices) { border: 0; padding-inline: 0; }
.hub-list .btn { color: var(--ink); font-weight: 600; }
.hub-list .sub { color: var(--ink-soft); font-weight: 400; }
.library .btn { padding-left: 0; }
.lesson-reader .signcard { position: relative; }
.lesson-reader .signcard .name { display: grid; grid-template-columns: minmax(0,1fr) 44px; gap: 6px 8px; align-items: start; }
.lesson-reader .signcard .name .sign-name { align-self: center; }
.lesson-reader .signcard .name .speak { grid-column: 2; grid-row: 1; margin: 0; }
.lesson-reader .signcard .fam { grid-column: 1 / -1; margin: 0; width: fit-content; font-size: 11px; line-height: 1.4; }
.lesson-reader .signcard .mean { font-size: 15px; }
.lesson-reader .signcard > .art-expand { font-size: 13px; min-height: 44px; }
.reader-pages { gap: 12px; }
.reader-pages button { min-height: 48px; }
@media(min-width:801px) { .lesson-reader .signgrid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 24px; } .lesson-reader .signcard { display: grid; grid-template-columns: 80px minmax(0,1fr); gap: 12px; } .lesson-reader .signcard .art { grid-column: 1; grid-row: 1; } .lesson-reader .signcard .body { grid-column: 2; } .lesson-reader .signcard > .art-expand { grid-column: 2; } }
@media(max-width:980px) { .dashboard { grid-template-columns: 1fr; } .dashboard .readiness-panel { border-left: 0; border-top: 1px solid var(--line); } }
@media(max-width:600px) {
  .wrap { padding-inline: max(16px,env(safe-area-inset-left)); }
  .topbar { gap: 8px; }
  .topbar .brand { font-size: 13px; }
  .activity-meter { min-width: 62px; max-width: 100px; }
  .activity-count, .connection-label { font-size: 11px; }
  .product-nav { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 0; }
  .product-nav button { padding-inline: 0; font-size: 13px; }
  .plan-intro { margin: 20px 0; gap: 12px; }
  .plan-intro h1 { font-size: 26px; max-width: 24ch; }
  .plan-intro > div > p:last-child { font-size: 14px; }
  .plan-settings { width: auto; padding: 8px 12px; }
  .dashboard .next-step, .dashboard .readiness-panel { padding: 20px; }
  .next-step .kicker { margin-top: 16px; }
  .next-step h2 { font-size: 24px; }
  .study-path.block { padding-top: 12px; }
  .lesson-reader .signcard { display: grid; grid-template-columns: 64px minmax(0,1fr); gap: 12px; padding-block: 16px; }
  .lesson-reader .signcard .art { width: 64px; height: 64px; }
  .lesson-reader .signcard .body { grid-column: 2; }
  .lesson-reader .signcard .name { grid-template-columns: minmax(0,1fr) 40px; gap: 4px; }
  .lesson-reader .signcard .name .speak { width: 40px; min-height: 44px; }
  .lesson-reader .signcard .fam { font-size: 11px; }
  .library .btn { font-size: 15px; }
}
@media(max-width:360px) { .activity-meter { max-width: 72px; } .topbar .brand { font-size: 12px; } .product-nav button { font-size: 12px; } .lesson-reader .signcard { grid-template-columns: 56px minmax(0,1fr); gap: 10px; } .lesson-reader .signcard .art { width: 56px; height: 56px; } }