:root {
  --purple: #761468;
  --purple-dark: #4a0d43;
  --purple-soft: #f4eaf3;
  --orange: #a65300;
  --orange-soft: #fff0dc;
  --cyan: #00758b;
  --cyan-soft: #e5f7fa;
  --green: #18754c;
  --green-soft: #e7f5ed;
  --red: #b42318;
  --ink: #201b22;
  --muted: #655d68;
  --line: #ddd6df;
  --surface: #ffffff;
  --surface-soft: #f8f6f8;
  --shadow: 0 16px 40px rgba(59, 27, 55, 0.10);
  --radius: 18px;
  --accent: var(--purple);
  --accent-soft: var(--purple-soft);
  font-family: Inter, Aptos, "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background: #f4f1f5;
  font-synthesis: none;
}

.hint-outcome{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:.8rem}.progressive-hints details[open]{border-left:4px solid #245c9b}.progressive-hints .full-recovery[open]{border-left-color:#b36b00}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; font-size: 1rem; line-height: 1.58; background: #f4f1f5; color: var(--ink); }
button, input, select, textarea { font: inherit; }
a { color: var(--purple); }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid #ffb000; outline-offset: 3px; }
[hidden] { display: none !important; }
.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; z-index: 1000; left: 1rem; top: -5rem; padding: .75rem 1rem; background: #fff; color: var(--purple-dark); border: 2px solid var(--purple); border-radius: 8px; font-weight: 800; }
.skip-link:focus { top: 1rem; }

.site-header, .lesson-header { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; padding: 1rem clamp(1rem, 4vw, 4rem); background: #fff; border-bottom: 1px solid var(--line); }
.brand-lockup { min-width: 0; display: flex; align-items: center; gap: 1rem; color: var(--ink); text-decoration: none; }
.brand-lockup img { width: 58px; height: 58px; object-fit: contain; }
.brand-lockup span { min-width: 0; display: grid; gap: .15rem; }
.brand-lockup strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 1.15rem; line-height: 1.15; }
.brand-lockup small { color: var(--muted); }
.header-meta { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .45rem; }
.header-meta span, .header-meta a { padding: .35rem .7rem; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .85rem; font-weight: 700; text-decoration: none; }
.header-meta a:hover, .header-meta a:focus-visible { color: var(--purple); border-color: var(--purple); outline: 3px solid var(--purple-soft); }

main { width: min(1500px, 100%); margin: 0 auto; }
.course-intro { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(300px, .65fr); gap: clamp(1.5rem, 4vw, 4rem); padding: clamp(2.5rem, 6vw, 5.5rem) clamp(1rem, 4vw, 4rem) 2.4rem; align-items: end; background: linear-gradient(135deg, #fff 0 63%, var(--purple-soft) 63% 100%); }
.eyebrow { margin: 0 0 .6rem; color: var(--purple); font-size: .78rem; font-weight: 900; letter-spacing: .11em; text-transform: uppercase; }
.course-intro h1 { max-width: 900px; margin: 0; font-size: clamp(2.35rem, 6vw, 5.3rem); line-height: .98; letter-spacing: -.045em; color: var(--purple-dark); }
.intro-copy { max-width: 820px; margin: 1.4rem 0 0; color: #4f4552; font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
.intro-actions { display: flex; flex-wrap: wrap; align-items: center; gap: .75rem 1rem; margin-top: 1.2rem; }
.intro-actions span { color: var(--muted); font-size: .9rem; }
.progress-summary { align-self: stretch; display: flex; flex-direction: column; justify-content: center; padding: 1.5rem; border: 2px solid var(--purple); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.summary-kicker { color: var(--muted); font-size: .88rem; font-weight: 700; }
.progress-summary > strong { display: block; margin: .35rem 0 .8rem; color: var(--purple-dark); font-size: 1.4rem; }
.progress-summary > strong span { font-size: 2.15rem; }
.progress-summary p { margin: .75rem 0 1.1rem; color: var(--muted); }
.progress-track { width: 100%; height: 9px; overflow: hidden; background: #e8e2e9; border-radius: 999px; }
.progress-track span { display: block; width: 0; height: 100%; background: var(--accent); border-radius: inherit; transition: width .3s ease; }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: .45rem; padding: .65rem 1rem; border: 2px solid transparent; border-radius: 10px; text-decoration: none; font-weight: 800; cursor: pointer; }
.button:disabled { opacity: .5; cursor: not-allowed; }
.button-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.button-primary:hover { filter: brightness(.92); }
.button-secondary { background: #fff; color: var(--accent); border-color: var(--accent); }
.button-secondary:hover { background: var(--accent-soft); }
.button-small { min-height: 40px; padding: .45rem .78rem; font-size: .9rem; }
.is-complete { background: var(--green-soft); color: var(--green); border-color: var(--green); }

.course-principles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 0 clamp(1rem, 4vw, 4rem); background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.course-principles article { min-height: 130px; display: flex; flex-direction: column; justify-content: center; gap: .35rem; padding: 1.4rem; background: #fff; }
.course-principles strong { font-size: 1.08rem; color: var(--purple-dark); }
.course-principles span { color: var(--muted); }
.course-support { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; margin: 1rem clamp(1rem, 4vw, 4rem) 0; padding: clamp(1.2rem, 3vw, 2rem); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(59,27,55,.06); scroll-margin-top: 1rem; }
.course-support > div { grid-column: 1 / -1; }
.course-support h2 { max-width: 850px; margin: 0; color: var(--purple-dark); font-size: clamp(1.45rem, 3vw, 2.29rem); line-height: 1.1; }
.course-support article { display: grid; align-content: start; gap: .35rem; min-width: 0; padding: 1rem; background: var(--surface-soft); border-top: 5px solid var(--purple); border-radius: 11px; }
.course-support article:nth-of-type(2) { border-color: var(--orange); }
.course-support article:nth-of-type(3) { border-color: var(--cyan); }
.course-support strong { color: var(--purple-dark); font-size: 1.02rem; }
.course-support span { color: var(--muted); }
.course-version-note { display:grid; grid-template-columns:minmax(0,.55fr) minmax(0,1.45fr); gap:1.5rem; margin:1rem clamp(1rem,4vw,4rem) 0; padding:1.2rem 1.4rem; background:#f4eef8; border:1px solid #cbb5dd; border-left:7px solid var(--purple); border-radius:var(--radius); }
.course-version-note h2 { margin:.2rem 0; color:var(--purple-dark); }
.course-version-note > p { margin:0; align-self:center; color:var(--muted); line-height:1.55; }

.course-map { padding: clamp(3rem, 6vw, 5rem) clamp(1rem, 4vw, 4rem); }
.course-search { display: grid; grid-template-columns: auto minmax(240px, 520px) 1fr; align-items: center; gap: .7rem; margin: 1.2rem 0; }
.course-search label { color: var(--purple-dark); font-weight: 850; }
.course-search input { min-height: 46px; padding: .7rem .9rem; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.course-search input:focus { border-color: var(--purple); outline: 3px solid var(--purple-soft); }
.course-search span { color: var(--muted); font-size: .9rem; }
.section-heading { display: flex; justify-content: space-between; align-items: end; gap: 2rem; margin-bottom: 1.4rem; }
.section-heading h2 { margin: 0; color: var(--purple-dark); font-size: clamp(1.8rem, 4vw, 3rem); line-height: 1; }
.section-heading > p { max-width: 520px; margin: 0; color: var(--muted); }
.week-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.week-card { --accent: var(--purple); --accent-soft: var(--purple-soft); min-height: 330px; position: relative; display: flex; flex-direction: column; padding: 1.5rem; overflow: hidden; background: #fff; border: 1px solid var(--line); border-top: 7px solid var(--accent); border-radius: var(--radius); box-shadow: 0 9px 26px rgba(59,27,55,.06); }
.week-card::after { content: attr(data-number); position: absolute; right: -5px; top: 70px; font-size: 9rem; font-weight: 900; line-height: 1; color: var(--accent-soft); pointer-events: none; }
.accent-cyan { --accent: var(--cyan); --accent-soft: var(--cyan-soft); }
.accent-orange { --accent: var(--orange); --accent-soft: var(--orange-soft); }
.accent-green { --accent: var(--green); --accent-soft: var(--green-soft); }
.accent-purple { --accent: var(--purple); --accent-soft: var(--purple-soft); }
.week-card-top { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.week-number { color: var(--accent); font-size: 1.35rem; font-weight: 950; letter-spacing: .08em; }
.phase-pill { padding: .3rem .65rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; font-size: .78rem; font-weight: 800; }
.week-card h3 { position: relative; z-index: 1; max-width: 75%; margin: 1.2rem 0 .55rem; font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.05; color: var(--ink); }
.week-card > p { position: relative; z-index: 1; max-width: 78%; margin: 0; color: var(--muted); }
.week-progress { position: relative; z-index: 1; margin: auto 0 .9rem; }
.week-progress > div:last-child { display: flex; justify-content: space-between; gap: 1rem; margin-top: .45rem; color: var(--muted); font-size: .8rem; font-weight: 700; }
.week-card .card-link { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; min-height: 48px; padding: .65rem .8rem; background: var(--accent); color: #fff; border-radius: 9px; text-decoration: none; font-weight: 850; }
.week-card .card-link:hover { filter: brightness(.92); }

.learner-agreement { margin: 0 clamp(1rem, 4vw, 4rem) 4rem; display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; padding: clamp(1.5rem, 4vw, 3rem); background: var(--purple-dark); color: #fff; border-radius: var(--radius); }
.learner-agreement .eyebrow { color: #ffc15c; }
.learner-agreement h2 { margin: 0; font-size: clamp(1.5rem, 3vw, 2.6rem); line-height: 1.05; }
.learner-agreement > p { margin: 0; align-self: center; color: #f1e6ef; font-size: 1.08rem; }

.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem 2rem; padding: 1.25rem clamp(1rem, 4vw, 4rem); background: #211d22; color: #ddd4dd; font-size: .8rem; }
.site-footer.compact { margin-top: 2rem; }
.error-page { width: min(760px, calc(100% - 2rem)); margin: clamp(3rem, 12vh, 8rem) auto; padding: clamp(1.5rem, 5vw, 3.5rem); background: #fff; border: 1px solid var(--line); border-top: 7px solid var(--purple); border-radius: var(--radius); box-shadow: var(--shadow); }
.error-page h1 { margin: 0; color: var(--purple-dark); font-size: clamp(2rem, 6vw, 4rem); line-height: 1; }
.error-page p:not(.eyebrow) { color: var(--muted); font-size: 1.08rem; }

/* Lesson */
.lesson-page { --accent: var(--purple); --accent-soft: var(--purple-soft); }
.lesson-page[data-accent="cyan"] { --accent: var(--cyan); --accent-soft: var(--cyan-soft); }
.lesson-page[data-accent="orange"] { --accent: var(--orange); --accent-soft: var(--orange-soft); }
.lesson-page[data-accent="green"] { --accent: var(--green); --accent-soft: var(--green-soft); }
.lesson-header { position: sticky; z-index: 40; top: 0; min-height: 72px; padding-top: .7rem; padding-bottom: .7rem; }
.course-back { min-height: 44px; display: inline-flex; align-items: center; gap: .5rem; color: var(--accent); font-weight: 800; text-decoration: none; }
.lesson-brand { display: flex; align-items: center; gap: .8rem; min-width: 0; }
.lesson-brand span { flex: none; padding: .28rem .62rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; font-size: .78rem; font-weight: 900; }
.lesson-brand strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lesson-progress-label { display: grid; text-align: right; line-height: 1.1; }
.lesson-progress-label span:first-child { color: var(--accent); font-weight: 900; }
.lesson-progress-label span:last-child { color: var(--muted); font-size: .78rem; }
.lesson-progress-track { position: sticky; z-index: 39; top: 71px; height: 5px; background: #e8e2e9; }
.lesson-progress-track span { display: block; height: 100%; width: 0; background: var(--accent); transition: width .25s ease; }
.lesson-shell { width: min(1500px, 100%); display: grid; grid-template-columns: 340px minmax(0, 1fr); gap: clamp(1rem, 3vw, 2.5rem); padding: 1.5rem clamp(1rem, 3vw, 3rem) 3rem; align-items: start; }
.lesson-map { position: sticky; top: 98px; max-height: calc(100vh - 120px); overflow: auto; padding: 1rem; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 30px rgba(59,27,55,.06); }
.map-header { display: flex; justify-content: space-between; gap: 1rem; align-items: center; padding: .1rem .25rem .75rem; }
.text-button { min-height: 40px; padding: .25rem .5rem; background: transparent; color: var(--accent); border: 0; font-weight: 800; cursor: pointer; }
.lesson-map ol { display: grid; gap: .35rem; margin: 0; padding: 0; list-style: none; }
.lesson-map li button { width: 100%; min-height: 62px; display: grid; grid-template-columns: 36px minmax(0, 1fr) 22px; gap: .65rem; align-items: center; padding: .6rem; text-align: left; background: transparent; color: var(--ink); border: 1px solid transparent; border-radius: 10px; cursor: pointer; }
.lesson-map li button:hover { background: var(--surface-soft); }
.lesson-map li button.current { background: var(--accent-soft); border-color: var(--accent); }
.nav-step { color: var(--accent); font-size: .82rem; font-weight: 900; }
.lesson-map li button span:nth-child(2) { min-width: 0; display: grid; }
.lesson-map li small { color: var(--muted); font-size: .75rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.lesson-map li strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .88rem; }
.step-state { color: var(--green); font-weight: 950; }
.map-support { display: grid; gap: .25rem; margin-top: 1rem; padding: .8rem; background: var(--surface-soft); border-radius: 10px; }
.map-support strong { color: var(--purple-dark); font-size: .85rem; }
.map-support span { color: var(--muted); font-size: .75rem; }

.lesson-stage { scroll-margin-top: 110px; min-height: 760px; padding: clamp(1.2rem, 3vw, 2.5rem); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.stage-meta { display: flex; justify-content: space-between; align-items: center; gap: 1rem; color: var(--muted); font-size: .8rem; font-weight: 800; }
.stage-meta span:first-child { padding: .25rem .55rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; text-transform: uppercase; letter-spacing: .06em; }
.lesson-stage > h1 { margin: 1rem 0 .5rem; color: var(--purple-dark); font-size: clamp(2rem, 5vw, 4rem); line-height: 1; letter-spacing: -.035em; }
.lesson-lead { max-width: 920px; margin: 0; color: var(--muted); font-size: clamp(1.05rem, 2vw, 1.25rem); }
.narration-card { display: grid; grid-template-columns: minmax(250px, .8fr) minmax(480px, 1.2fr); gap: 1rem; align-items: center; margin: 1.5rem 0; padding: 1rem; background: var(--surface-soft); border: 1px solid var(--line); border-left: 5px solid var(--accent); border-radius: 12px; }
.narration-heading { display: flex; gap: .75rem; align-items: center; }
.narration-mark { width: 36px; height: 36px; flex: none; display: grid; place-items: center; background: var(--accent); color: #fff; border-radius: 50%; font-size: .75rem; }
.narration-heading h2 { margin: 0; font-size: 1rem; }
.narration-heading p { margin: .1rem 0 0; color: var(--muted); font-size: .78rem; }
.narration-controls { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: .5rem; align-items: center; }
.narration-controls label { color: var(--muted); font-size: .78rem; font-weight: 800; }
.narration-controls select { min-height: 40px; max-width: 220px; padding: .4rem .6rem; background: #fff; color: var(--ink); border: 1px solid var(--line); border-radius: 8px; }
.voice-settings { position: relative; }
.voice-settings summary { min-height: 40px; display: flex; align-items: center; padding: .35rem .65rem; background: #fff; color: var(--accent); border: 1px solid var(--accent); border-radius: 8px; font-size: .82rem; font-weight: 800; cursor: pointer; }
.voice-settings[open] select { position: absolute; z-index: 10; right: 0; top: calc(100% + .35rem); width: 260px; max-width: 70vw; box-shadow: var(--shadow); }

.lesson-content { display: grid; gap: 1.25rem; }
.content-heading { margin: .5rem 0 0; color: var(--purple-dark); font-size: 1.25rem; }
.outcome-panel { display: flex; justify-content: space-between; gap: 2rem; align-items: center; padding: clamp(1.2rem, 3vw, 2rem); background: linear-gradient(130deg, var(--accent-soft), #fff); border: 1px solid var(--accent); border-radius: 14px; }
.outcome-panel span { color: var(--accent); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.outcome-panel h2 { max-width: 820px; margin: .35rem 0 0; font-size: clamp(1.25rem, 3vw, 2rem); line-height: 1.15; }
.outcome-panel > strong { flex: none; padding: .5rem .75rem; background: #fff; color: var(--accent); border-radius: 999px; }
.task-list { display: grid; gap: .55rem; margin: 0; padding: 0; list-style: none; }
.task-list label { min-height: 52px; display: grid; grid-template-columns: 24px 1fr; gap: .75rem; align-items: start; padding: .75rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; cursor: pointer; }
.task-list label:hover { border-color: var(--accent); }
.task-list input { width: 20px; height: 20px; margin-top: .1rem; accent-color: var(--green); }
.task-list input:checked + span { color: var(--muted); text-decoration: line-through; text-decoration-thickness: 1px; }
.download-grid, .file-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; }
.download-grid a, .file-grid a { min-height: 100px; display: flex; flex-direction: column; justify-content: center; gap: .25rem; padding: 1rem; background: var(--accent-soft); color: var(--ink); border: 1px solid var(--accent); border-radius: 11px; text-decoration: none; }
.download-grid a:hover, .file-grid a:hover { transform: translateY(-2px); }
.download-grid strong, .file-grid strong { color: var(--accent); }
.download-grid span, .file-grid span { color: var(--muted); font-size: .85rem; }
.authority-note { margin: 0; padding: .85rem 1rem; background: var(--cyan-soft); border-left: 5px solid var(--cyan); border-radius: 10px; color: #244f57; }
.solution-panel, .mistake-panel, .stretch-panel { padding: .85rem 1rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 10px; }
.solution-panel summary, .mistake-panel summary, .stretch-panel summary { color: var(--purple-dark); font-weight: 850; cursor: pointer; }
.why-card, .coach-note { padding: 1rem 1.2rem; background: var(--orange-soft); border-left: 5px solid var(--orange); border-radius: 10px; }
.why-card p, .coach-note { margin-top: .35rem; }
.route-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; }
.route-grid article { display: grid; grid-template-columns: 70px 1fr; gap: .2rem .8rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; }
.route-grid article > span { grid-row: 1 / 3; color: var(--accent); font-weight: 900; }
.route-grid p { margin: 0; color: var(--muted); }
.outcome-list, .plain-list, .reference-list { margin: 0; padding-left: 1.25rem; }
.outcome-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .5rem 2rem; }
.outcome-list li::marker, .plain-list li::marker { color: var(--accent); }
.rhythm-strip, .repair-loop { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; justify-content: center; padding: 1rem; background: var(--purple-dark); color: #fff; border-radius: 11px; font-weight: 800; }
.rhythm-strip span:nth-child(even) { color: #ffc15c; }
.concept-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .8rem; }
.concept-grid article { position: relative; min-height: 190px; padding: 1.2rem; overflow: hidden; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 12px; }
.concept-grid article > span { position: absolute; right: .8rem; top: .4rem; color: var(--accent-soft); font-size: 4rem; font-weight: 950; line-height: 1; }
.concept-grid h2 { position: relative; margin: 1.4rem 0 .5rem; color: var(--accent); font-size: 1.15rem; }
.concept-grid p { position: relative; margin: 0; color: var(--muted); }
.vocab-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; margin: 0; }
.vocab-list div { padding: .8rem; border-left: 4px solid var(--accent); background: var(--accent-soft); }
.vocab-list dt { color: var(--accent); font-weight: 900; }
.vocab-list dd { margin: .15rem 0 0; color: var(--muted); }
.goal-card { display: grid; gap: .3rem; padding: 1.2rem; background: var(--accent); color: #fff; border-radius: 12px; }
.goal-card span { color: rgba(255,255,255,.8); font-size: .75rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.goal-card strong { font-size: 1.2rem; }
.start-file { display: grid; gap: .25rem; padding: 1rem 1.2rem; background: var(--green-soft); border: 1px solid var(--green); border-radius: 11px; }
.start-file > span { color: var(--green); font-size: .75rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.start-file > strong { overflow-wrap: anywhere; font-size: 1.1rem; }
.start-file p { margin: .25rem 0 0; color: #315a49; }
.submission-preview { padding: 1rem 1.2rem; background: var(--purple-soft); border: 1px solid #d7b8d2; border-radius: 11px; }
.submission-preview > span { color: var(--purple); font-size: .75rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.submission-preview h2 { margin: .3rem 0 .65rem; font-size: 1.15rem; }
.submission-preview ul { margin: 0; padding-left: 1.25rem; }
.submission-preview li { margin: .3rem 0; overflow-wrap: anywhere; }
.submission-preview p { margin: .7rem 0 0; color: var(--muted); }
.submission-preview .email-button { width: max-content; margin-top: .85rem; }
.weekly-learning-plan { display: grid; gap: 1rem; padding: 1.2rem; background: #f8fbff; border: 2px solid var(--accent); border-radius: 14px; }
.weekly-plan-heading > span, .email-assignment > span { color: var(--accent); font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.weekly-plan-heading h2, .email-assignment h2 { margin: .25rem 0 .4rem; }
.weekly-plan-heading p, .email-assignment > p { margin: 0; color: var(--muted); }
.weekly-task-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .7rem; margin: 0; padding: 0; list-style: none; counter-reset: none; }
.weekly-task-grid li { min-width: 0; padding: .85rem; background: #fff; border: 1px solid var(--line); border-top: 5px solid var(--accent); border-radius: 10px; }
.weekly-task-grid li > span { color: var(--accent); font-size: .75rem; font-weight: 900; text-transform: uppercase; }
.weekly-task-grid strong { display: block; margin: .25rem 0; overflow-wrap: anywhere; }
.weekly-task-grid p { margin: 0; color: var(--muted); font-size: .9rem; }
.assignment-bridge { display: grid; grid-template-columns: 145px 1fr; gap: .9rem; align-items: center; padding: .9rem 1rem; background: var(--purple-dark); color: #fff; border-radius: 11px; }
.assignment-bridge > span { color: #ffd88a; font-size: .78rem; font-weight: 900; letter-spacing: .05em; text-transform: uppercase; }
.assignment-bridge p { margin: .15rem 0 0; color: rgba(255,255,255,.85); }
.email-assignment { display: grid; gap: .7rem; padding: 1.2rem; background: var(--purple-soft); border: 2px solid var(--purple); border-radius: 14px; }
.email-assignment .button { width: max-content; }
.orientation-card { display: grid; grid-template-columns: repeat(2, 1fr); gap: .75rem; }
.orientation-card > div { display: grid; gap: .25rem; padding: 1rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 11px; }
.orientation-card > div span { width: max-content; padding: .2rem .55rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; font-size: .75rem; font-weight: 900; }
.orientation-card > div p { margin: 0; color: var(--muted); }
.mini-app-map { min-height: 150px; display: grid; grid-template-columns: 70px minmax(0, 1fr) 100px; grid-template-rows: 38px minmax(70px, 1fr) 34px; gap: 4px; margin: .5rem 0; padding: 5px; background: #ddd6df; border: 1px solid #c7bec9; border-radius: 9px; }
.mini-app-map b { display: grid; place-items: center; padding: .3rem; text-align: center; background: #fff; color: var(--muted); font-size: .7rem; line-height: 1.25; }
.mini-app-map .map-top { grid-column: 1 / -1; color: var(--accent); }
.mini-app-map .map-left { grid-column: 1; grid-row: 2; }
.mini-app-map .map-main { grid-column: 2; grid-row: 2; background: var(--accent-soft); color: var(--accent); font-size: .78rem; }
.mini-app-map .map-right { grid-column: 3; grid-row: 2; }
.mini-app-map .map-bottom { grid-column: 1 / -1; grid-row: 3; }
.excel-map .map-main { grid-column: 2 / -1; }
.orientation-card > details { grid-column: 1 / -1; padding: .8rem 1rem; background: var(--orange-soft); border: 1px solid var(--orange); border-radius: 10px; }
.orientation-card summary { color: #6a3500; font-weight: 850; cursor: pointer; }
.orientation-card details p { margin-bottom: 0; }
.guidance-key { display: flex; flex-wrap: wrap; gap: .55rem; align-items: center; padding: .8rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 11px; }
.guidance-key > strong { margin-right: .25rem; color: var(--purple-dark); }
.guidance-key > span { padding: .28rem .55rem; background: #fff; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .78rem; }
.guided-step-list { display: grid; gap: 1rem; }
.guided-step { overflow: hidden; background: #fff; border: 1px solid var(--line); border-radius: 13px; box-shadow: 0 7px 20px rgba(59,27,55,.05); }
.guided-step-heading { display: grid; grid-template-columns: 46px 1fr; gap: .85rem; align-items: center; padding: 1rem; background: var(--accent-soft); border-bottom: 1px solid var(--line); }
.guided-step-heading > span { width: 40px; height: 40px; display: grid; place-items: center; background: var(--accent); color: #fff; border-radius: 50%; font-weight: 950; }
.guided-step-heading small { color: var(--accent); font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.guided-step-heading h2 { margin: .15rem 0 0; color: var(--ink); font-size: 1.08rem; line-height: 1.3; }
.where-panel, .do-panel, .check-panel { padding: .9rem 1rem; border-bottom: 1px solid var(--line); }
.guided-step section h3 { margin: 0 0 .55rem; color: var(--purple-dark); font-size: .84rem; letter-spacing: .035em; text-transform: uppercase; }
.guided-step section p { margin: 0; }
.click-trail { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.click-trail strong { padding: .35rem .62rem; background: #fff; color: var(--accent); border: 1px solid var(--accent); border-radius: 8px; font-size: .85rem; }
.click-trail > span { color: var(--muted); font-size: 1.2rem; font-weight: 900; }
.do-panel { background: #fffaf3; }
.check-panel { background: var(--green-soft); color: #234b3a; }
.check-panel h3 { color: var(--green) !important; }
.exact-entry { display: grid; gap: .4rem; margin-top: .8rem; }
.exact-entry > strong, .field-map > strong { color: var(--purple-dark); font-size: .82rem; }
.exact-entry code { display: block; max-width: 100%; padding: .65rem .75rem; overflow-x: auto; background: #211d22; color: #fff; border-radius: 8px; font-family: Consolas, "SFMono-Regular", monospace; font-size: .86rem; white-space: pre-wrap; overflow-wrap: anywhere; }
.field-map { margin-top: .8rem; }
.field-map dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem; margin: .4rem 0 0; }
.field-map dl div { display: grid; grid-template-columns: minmax(90px, .7fr) minmax(0, 1.3fr); gap: .5rem; padding: .5rem .65rem; background: #fff; border: 1px solid var(--line); border-radius: 8px; }
.field-map dt { color: var(--accent); font-weight: 900; }
.field-map dd { margin: 0; overflow-wrap: anywhere; }
.help-panel { padding: .8rem 1rem; background: var(--orange-soft); }
.help-panel summary { color: #6a3500; font-weight: 850; cursor: pointer; }
.help-panel p { margin-bottom: 0; }
.challenge-route { display: grid; gap: .6rem; }
.challenge-route h2 { margin: 0; color: var(--purple-dark); font-size: 1.25rem; }
.challenge-route article { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: .75rem; align-items: start; padding: .8rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 10px; }
.challenge-route article > span { width: 34px; height: 34px; display: grid; place-items: center; background: var(--accent); color: #fff; border-radius: 50%; font-weight: 900; }
.challenge-route p { margin: .5rem 0 0; color: var(--muted); }
.step-list { display: grid; gap: .65rem; }
.step-list article { display: grid; grid-template-columns: 42px 1fr; gap: .8rem; align-items: center; padding: .75rem; background: #fff; border: 1px solid var(--line); border-radius: 10px; }
.step-list article > span { width: 36px; height: 36px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent); border-radius: 50%; font-weight: 900; }
.step-list p { margin: 0; }
.checkpoint-banner { display: grid; gap: .25rem; padding: 1rem 1.2rem; background: var(--green-soft); color: #123d2c; border: 1px solid var(--green); border-radius: 11px; }
.checkpoint-banner span { color: var(--green); font-size: .75rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.pause-banner { display: flex; gap: .5rem; flex-wrap: wrap; padding: .8rem 1rem; background: var(--orange); color: #fff; border-radius: 10px; }
.checkpoint-large { padding: clamp(1.3rem, 4vw, 2.4rem); background: var(--green-soft); border: 2px solid var(--green); border-radius: 14px; }
.checkpoint-large > span { color: var(--green); font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.checkpoint-large h2 { margin: .45rem 0; font-size: clamp(1.25rem, 3vw, 2rem); line-height: 1.15; }
.checkpoint-large p { margin: 0; color: #315a49; }
.repair-loop { justify-content: flex-start; background: var(--purple-dark); }
.repair-loop span { padding: .45rem .7rem; background: rgba(255,255,255,.11); border-radius: 8px; }
.challenge-card { padding: clamp(1.3rem, 4vw, 2.4rem); background: linear-gradient(135deg, var(--purple-dark), var(--purple)); color: #fff; border-radius: 14px; }
.challenge-card > span { color: #ffc15c; font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.challenge-card h2 { margin: .45rem 0; font-size: clamp(1.5rem, 4vw, 2.7rem); }
.challenge-card p { max-width: 900px; margin: 0; color: #f4eaf3; }
.quiz-form { display: grid; gap: .9rem; }
.quiz-form fieldset { margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 11px; }
.quiz-form legend { padding: 0 .4rem; color: var(--purple-dark); font-weight: 850; }
.quiz-form fieldset label { display: flex; align-items: flex-start; gap: .65rem; min-height: 44px; padding: .5rem; border-radius: 8px; cursor: pointer; }
.quiz-form fieldset label:hover { background: var(--accent-soft); }
.quiz-form input { width: 19px; height: 19px; margin-top: .15rem; accent-color: var(--accent); }
.quiz-feedback { padding: 1rem; background: var(--surface-soft); border-left: 5px solid var(--line); border-radius: 8px; }
.quiz-feedback.warning, .quiz-feedback.review { background: var(--orange-soft); border-color: var(--orange); }
.quiz-feedback.success { background: var(--green-soft); border-color: var(--green); }
.quiz-feedback h2 { margin: 0; }
.quiz-feedback ol { display: grid; gap: .5rem; margin: .8rem 0 0; padding-left: 1.3rem; }
.quiz-feedback li { padding-left: .2rem; }
.quiz-feedback li strong, .quiz-feedback li span { display: block; }
.quiz-feedback li.correct strong { color: var(--green); }
.quiz-feedback li.incorrect strong { color: var(--red); }
.finish-divider { height: 1px; margin: .4rem 0; background: var(--line); }
.finish-panel { padding: 1.4rem; background: var(--purple-dark); color: #fff; border-radius: 12px; }
.finish-panel > span { color: #ffc15c; font-size: .78rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.finish-panel h2 { margin: .4rem 0; }
.finish-panel p { margin: 0; color: #eaddea; }
.week-status-card { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; padding: 1rem; background: var(--green-soft); border: 1px solid var(--green); border-radius: 10px; }
.week-status-card > div { display: grid; gap: .2rem; }
.week-status-card span { color: var(--green); font-size: .76rem; font-weight: 900; text-transform: uppercase; }
.week-status-card details { max-width: 48%; }
.week-status-card summary { color: var(--purple); font-weight: 800; cursor: pointer; }
.file-grid { grid-template-columns: repeat(2, 1fr); }
.next-week { display: flex; gap: 1rem; align-items: center; padding: 1rem; background: var(--cyan-soft); border: 1px solid var(--cyan); border-radius: 10px; }
.next-week span { color: var(--cyan); font-weight: 900; text-transform: uppercase; }
.reference-list { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.transcript-card { margin-top: 1.2rem; padding: .8rem 1rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 10px; }
.transcript-card summary { color: var(--accent); font-weight: 850; cursor: pointer; }
.transcript-card p { max-width: 90ch; color: var(--muted); }
.stage-actions { position: sticky; bottom: 0; display: grid; grid-template-columns: 1fr auto auto 1fr; gap: .75rem; margin: 1.5rem -0.4rem -0.4rem; padding: .8rem; background: rgba(255,255,255,.97); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 -8px 24px rgba(59,27,55,.08); backdrop-filter: blur(8px); }
.stage-actions #next-button { justify-self: stretch; }
.stage-actions #previous-button { justify-self: stretch; }
.button-help { color: #7a3900; background: #fff8e5; border-color: #cf8200; }
.button-help.is-active { color: #fff; background: #9a4f00; border-color: #9a4f00; }
.lesson-tool-link { color: var(--purple); font-weight: 800; text-decoration: none; }
.print-plan-button { min-height: 40px; padding: .45rem .7rem; border: 1px solid var(--purple); border-radius: 8px; background: var(--purple-soft); color: var(--purple-dark); font: inherit; font-weight: 850; white-space: nowrap; cursor: pointer; }
.print-plan-button:hover { background: var(--purple); color: #fff; }
.submission-checker { display: grid; gap: 1rem; margin-top: 1.5rem; padding: clamp(1rem, 3vw, 1.5rem); border: 2px solid var(--purple); border-radius: 14px; background: linear-gradient(145deg, #fff, var(--purple-soft)); }
.submission-checker-heading > span { color: var(--purple); font-size: .78rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.submission-checker-heading h2 { margin: .25rem 0; color: var(--purple-dark); }
.submission-checker-heading p { margin: 0; max-width: 75ch; color: var(--muted); }
.submission-file-picker { display: grid; gap: .45rem; padding: 1rem; border: 1px dashed var(--purple); border-radius: 10px; background: #fff; font-weight: 850; }
.submission-file-picker input { width: 100%; padding: .55rem; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-soft); }
.submission-check-results h3 { margin-bottom: .55rem; }
.submission-check-results ul { display: grid; gap: .5rem; margin: 0; padding: 0; list-style: none; }
.submission-check-results li { display: grid; grid-template-columns: 1.5rem 1fr; gap: .55rem; align-items: start; padding: .7rem; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.submission-check-results li > span { color: #8b4c00; font-size: 1.1rem; font-weight: 900; }
.submission-check-results li.is-ready { border-color: var(--green); background: var(--green-soft); }
.submission-check-results li.is-ready > span { color: var(--green); }
.submission-check-results small { display: block; overflow-wrap: anywhere; color: var(--muted); }
.submission-evidence { display: grid; gap: .55rem; margin: 0; padding: 1rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.submission-evidence legend { padding: 0 .35rem; color: var(--purple-dark); font-weight: 900; }
.submission-evidence label { display: grid; grid-template-columns: auto 1fr; gap: .55rem; align-items: start; }
.submission-evidence input { width: 1.1rem; height: 1.1rem; margin-top: .2rem; }
.submission-ready-state { display: grid; gap: .15rem; padding: .8rem 1rem; border-left: 5px solid #b06600; background: #fff6dc; }
.submission-ready-state.is-ready { border-left-color: var(--green); background: var(--green-soft); }
.submission-ready-state span { color: var(--muted); }
.submission-email-link { justify-self: start; }
.assignment-email-details { display:grid; grid-template-columns:auto minmax(0,1fr); gap:.45rem .7rem; align-items:center; padding:1rem; background:#fff; border:1px solid var(--line); border-radius:10px; }
.assignment-email-details code { overflow-wrap:anywhere; color:var(--purple-dark); font:700 .92rem/1.45 ui-monospace,SFMono-Regular,Consolas,monospace; }
.assignment-email-details button { grid-column:2; justify-self:start; }
.readiness-main { display: grid; gap: 1rem; }
.readiness-hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, .42fr); gap: 2rem; align-items: end; }
.readiness-progress { display: grid; gap: .55rem; padding: 1rem; border-radius: 12px; background: var(--purple-dark); color: #fff; }
.readiness-progress strong { font-size: 1.25rem; }
.readiness-progress .progress-track { background: rgba(255,255,255,.2); }
.readiness-progress .progress-track span { background: #ffc15c; }
.readiness-list { display: grid; gap: .75rem; }
.readiness-list article { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: .8rem; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-soft); }
.readiness-list article.is-complete { border-color: var(--green); background: var(--green-soft); }
.readiness-number { display: grid; place-items: center; width: 2.2rem; height: 2.2rem; border-radius: 50%; background: var(--purple); color: #fff; font-weight: 900; }
.readiness-list h3 { margin: 0 0 .25rem; color: var(--purple-dark); }
.readiness-list p { margin: 0 0 .7rem; color: var(--muted); }
.readiness-list label { display: grid; grid-template-columns: auto 1fr; gap: .55rem; align-items: start; margin-top: .75rem; font-weight: 750; }
.readiness-list input { width: 1.15rem; height: 1.15rem; margin-top: .18rem; }
.readiness-finish { display: flex; justify-content: space-between; gap: 1rem; align-items: center; }
@media (max-width: 760px) { .readiness-hero { grid-template-columns: 1fr; } .readiness-finish { display: grid; } }
.help-status { color: #8a4500; }
.practical-status { color: #8a4500; font-weight: 850; }
.finish-links { display: flex; flex-wrap: wrap; gap: .6rem; }
.powerbi-lab { display: grid; gap: 1rem; margin-top: 1.5rem; padding: clamp(1rem, 3vw, 1.5rem); background: linear-gradient(135deg, #eef9fb, #fff); border: 2px solid var(--cyan); border-radius: 14px; }
.powerbi-lab-heading > span { color: var(--cyan); font-size: .78rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.powerbi-lab-heading h2 { margin: .35rem 0; color: var(--purple-dark); }
.powerbi-lab-heading p { margin: 0; color: var(--muted); }
.powerbi-lab-route h3 { margin-bottom: .6rem; }

.resource-page { min-height: 100vh; background: linear-gradient(160deg, #f7f1f6 0 25%, #f3fbfc 25% 100%); }
.resource-main { width: min(1180px, calc(100% - 2rem)); margin: 0 auto; padding: clamp(2rem, 5vw, 4.5rem) 0; }
.resource-hero { display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; padding: clamp(1.3rem, 4vw, 2.5rem); color: #fff; background: var(--purple-dark); border-radius: 18px; box-shadow: 0 18px 45px rgba(59,27,55,.16); }
.resource-hero h1 { margin: 0; font-size: clamp(2.2rem, 6vw, 4rem); }
.resource-hero p:last-child { max-width: 65ch; margin-bottom: 0; color: #eaddea; }
.resource-panel, .summary-overview { margin-top: 1rem; padding: clamp(1.2rem, 3vw, 2rem); background: #fff; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 12px 35px rgba(59,27,55,.08); }
.resource-panel > h2 { margin-top: 0; color: var(--purple-dark); }
.previous-resource-warning { background: var(--orange-soft); border-color: var(--orange); border-left: 7px solid var(--orange); }
.previous-resource-warning p { max-width: 85ch; }
.resource-filters { display: grid; grid-template-columns: 1fr minmax(200px, 280px); gap: .8rem; margin: 1rem 0; }
.resource-filters label { display: grid; gap: .35rem; color: var(--purple-dark); font-weight: 800; }
.resource-filters input, .resource-filters select { width: 100%; box-sizing: border-box; min-height: 46px; padding: .7rem .8rem; border: 1px solid var(--line); border-radius: 10px; font: inherit; }
.resource-count { color: var(--muted); }
.glossary-grid, .summary-week-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .9rem; }
.glossary-card, .summary-week-card { padding: 1.1rem; background: var(--surface-soft); border: 1px solid var(--line); border-radius: 12px; }
.glossary-card > span, .summary-week-head > span { color: var(--purple); font-size: .76rem; font-weight: 900; letter-spacing: .07em; text-transform: uppercase; }
.glossary-card h3, .summary-week-card h3 { margin: .35rem 0; color: var(--purple-dark); }
.glossary-card p { color: var(--muted); line-height: 1.5; }
.glossary-card a { color: var(--purple); font-weight: 850; }
.resource-empty { grid-column: 1 / -1; padding: 2rem; text-align: center; color: var(--muted); }
.summary-overview > div:first-child { display: flex; justify-content: space-between; align-items: end; }
.summary-overview span { color: var(--muted); font-weight: 800; }
.summary-overview strong { color: var(--purple-dark); font-size: 2.2rem; }
.summary-overview p { margin-bottom: 0; color: var(--muted); }
.summary-week-head { display: flex; justify-content: space-between; align-items: center; }
.summary-week-head strong { color: var(--purple-dark); font-size: 1.35rem; }
.summary-week-card dl { display: grid; gap: .4rem; margin: .9rem 0; }
.summary-week-card dl div { display: flex; justify-content: space-between; gap: .6rem; }
.summary-week-card dt { color: var(--muted); }
.summary-week-card dd { margin: 0; text-align: right; font-weight: 800; }
.summary-week-card > p { min-height: 1.4em; color: var(--muted); }
.summary-week-card .summary-help-active { color: #8a4500; font-weight: 850; }
.summary-week-card.is-complete { background: var(--green-soft); border-color: var(--green); }
.summary-note p { max-width: 85ch; line-height: 1.6; }

@media (max-width: 1050px) {
  .course-intro { grid-template-columns: 1fr; background: linear-gradient(180deg, #fff 0 75%, var(--purple-soft) 75% 100%); }
  .course-principles { grid-template-columns: repeat(2, 1fr); }
  .course-support { grid-template-columns: 1fr 1fr; }
  .course-support > div, .course-support article:last-child { grid-column: 1 / -1; }
  .lesson-shell { grid-template-columns: 290px minmax(0, 1fr); padding-left: 1rem; padding-right: 1rem; }
  .narration-card { grid-template-columns: 1fr; }
  .narration-controls { justify-content: flex-start; }
}

@media (max-width: 800px) {
  .site-header { align-items: flex-start; flex-wrap: wrap; }
  .header-meta { order: 3; display: flex; flex: 1 0 100%; flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; padding: .2rem 0 .15rem; scrollbar-width: thin; }
  .header-meta a, .header-meta span { flex: 0 0 auto; }
  .course-principles, .course-support, .week-grid, .learner-agreement, .course-version-note { grid-template-columns: 1fr; }
  .course-support > div, .course-support article:last-child { grid-column: auto; }
  .section-heading { display: grid; gap: .75rem; }
  .week-card { min-height: 300px; }
  .lesson-header { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: .35rem .65rem; }
  .lesson-brand { grid-column: 1 / -1; grid-row: 2; }
  .lesson-progress-label { grid-column: 3; grid-row: 1; }
  .lesson-header, .lesson-progress-track { position: static; }
  .lesson-progress-track { top: auto; }
  .lesson-shell { display: block; }
  .lesson-map { position: static; max-height: none; margin-bottom: 1rem; }
  .map-support { display: none; }
  .lesson-stage { min-height: auto; scroll-margin-top: 125px; }
  .outcome-panel { align-items: flex-start; }
  .download-grid, .route-grid, .concept-grid, .vocab-list, .outcome-list, .orientation-card, .field-map dl, .weekly-task-grid { grid-template-columns: 1fr; }
  .assignment-bridge { grid-template-columns: 1fr; }
  .orientation-card > details { grid-column: auto; }
  .course-search, .resource-filters { grid-template-columns: 1fr; }
  .glossary-grid, .summary-week-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  body { font-size: 1rem; }
  .site-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .55rem; padding: .8rem 1rem; }
  .site-header .brand-lockup, .site-header .header-meta { grid-column: 1 / -1; }
  .site-header .header-meta { order: initial; }
  .brand-lockup img { width: 44px; height: 44px; }
  .brand-lockup strong { font-size: .98rem; }
  .brand-lockup small { display: none; }
  .course-intro { padding-top: 2.3rem; }
  .course-intro h1 { font-size: clamp(2.29rem, 12vw, 3.2rem); }
  .course-principles { margin-top: 1rem; }
  .week-card h3, .week-card > p { max-width: 88%; }
  .site-footer { display: grid; }
  .course-back { font-size: .85rem; }
  .lesson-brand strong { font-size: .92rem; }
  .lesson-header { grid-template-columns: minmax(0,1fr) auto; }
  .lesson-header .course-back { grid-column:1; grid-row:1; }
  .lesson-header .lesson-brand { grid-column:1 / -1; grid-row:2; }
  .lesson-header .lesson-progress-label { grid-column:2; grid-row:1; }
  .lesson-header .lesson-tool-link { grid-row:3; }
  .lesson-header .practice-toggle { grid-column:1 / -1; grid-row:4; width:100%; }
  .lesson-shell { padding: .8rem .7rem 2rem; }
  .lesson-map, .lesson-stage { border-radius: 13px; }
  .lesson-stage { padding: 1rem; }
  .lesson-stage > h1 { font-size: 2.1rem; }
  .narration-card { margin: 1rem 0; padding: .8rem; }
  .narration-controls { display: grid; grid-template-columns: repeat(3, 1fr); }
  .narration-controls label { align-self: center; }
  .narration-controls select { width: 100%; }
  .voice-settings { grid-column: span 3; }
  .voice-settings summary { justify-content: center; }
  .voice-settings[open] select { position: static; width: 100%; max-width: none; margin-top: .4rem; }
  .outcome-panel { display: grid; gap: 1rem; }
  .week-status-card { display: grid; }
  .week-status-card details { max-width: none; }
  .stage-actions { grid-template-columns: 1fr 1fr; bottom: .4rem; }
  .stage-actions #help-button, .stage-actions #complete-button { grid-column: auto; grid-row: 1; }
  .resource-main { width: min(100% - 1rem, 1180px); padding-top: 1rem; }
  .resource-hero { display: grid; align-items: start; }
  .glossary-grid, .summary-week-grid { grid-template-columns: 1fr; }
  .file-grid { grid-template-columns: 1fr; }
  .guided-step-heading { grid-template-columns: 40px 1fr; padding: .8rem; }
  .field-map dl div { grid-template-columns: 1fr; gap: .1rem; }
}

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

@media print {
  .site-header, .lesson-header, .lesson-progress-track, .lesson-map, .narration-card, .stage-actions, .site-footer { display: none !important; }
  body { background: #fff; }
  .lesson-shell { display: block; padding: 0; }
  .lesson-stage { border: 0; box-shadow: none; padding: 0; }
  .resource-page { background: #fff; }
  .resource-page .site-header, .resource-page .site-footer, .resource-page #print-summary { display: none !important; }
  .resource-main { width: 100%; padding: 0; }
  .resource-hero { color: #000; background: #fff; box-shadow: none; border: 1px solid #bbb; }
  .resource-hero p:last-child { color: #333; }
  .resource-panel, .summary-overview { box-shadow: none; break-inside: avoid; }
  .summary-week-grid { grid-template-columns: repeat(2, 1fr); }
  .summary-week-card { break-inside: avoid; }
  .summary-week-card .button { display: none; }
}
/* v2.8 guided practice, visual routes, practical mastery and portfolio */
.practice-toggle { border: 1px solid rgba(255,255,255,.34); background: transparent; color: inherit; font: inherit; cursor: pointer; }
.practice-toggle[aria-pressed="true"] { background: #fff; color: #5b1252; }
.visual-click-map { display: flex; flex-wrap: wrap; gap: .55rem; align-items: center; margin-top: .75rem; }
.visual-click-map .click-node { display: inline-flex; align-items: center; gap: .5rem; min-height: 2.75rem; padding: .55rem .75rem; border: 1px solid #d7c8d5; border-radius: .75rem; background: #fff; box-shadow: 0 3px 10px rgba(58,24,53,.07); }
.visual-click-map .click-node b { display: grid; place-items: center; width: 1.55rem; height: 1.55rem; flex: 0 0 auto; border-radius: 50%; background: #761468; color: #fff; font-size: .78rem; }
.visual-click-map .click-arrow { color: #761468; font-weight: 900; }
.software-click-map { position: relative; display: grid; grid-template: 2.2rem minmax(7rem,1fr) / minmax(7rem,1fr) minmax(7rem,.58fr); min-height: 9rem; margin: .8rem 0; overflow: hidden; border: 2px solid #6e596a; border-radius: .8rem; background: #edf3f7; }
.software-map-ribbon { grid-column: 1 / -1; padding: .48rem .75rem; background: #f8f8fa; border-bottom: 1px solid #c9c4ca; font-size: .82rem; font-weight: 800; }
.software-map-workspace { display: grid; place-items: center; margin: .65rem; border: 1px dashed #9d939b; background: #fff; color: #51484f; }
.software-map-target { display: grid; place-items: center; margin: .65rem .65rem .65rem 0; border: 3px solid #e45d17; background: #fff4e9; color: #6c2908; text-align: center; }
.software-click-map i { position: absolute; display: grid; place-items: center; width: 1.7rem; height: 1.7rem; border-radius: 50%; background: #761468; color: #fff; font-style: normal; font-weight: 900; box-shadow: 0 0 0 3px #fff; }
.software-click-map i:nth-of-type(1) { top: .3rem; left: .35rem; }
.software-click-map i:nth-of-type(2) { top: 3.1rem; left: 42%; }
.software-click-map i:nth-of-type(3) { right: .35rem; bottom: .35rem; background: #e45d17; }
.progressive-hints { display: grid; gap: .55rem; margin-top: .75rem; }
.progressive-hints details { border: 1px solid #d8ccd6; border-radius: .7rem; padding: .75rem .9rem; background: #fff; }
.progressive-hints summary { cursor: pointer; font-weight: 800; color: #5b1252; }
.progressive-hints .full-recovery { border-color: #e7a47f; background: #fff9f4; }
.reveal-guidance { display: none; width: calc(100% - 2rem); margin: .2rem 1rem 1rem; padding: .72rem 1rem; border: 1px solid #761468; border-radius: .7rem; background: #fff; color: #5b1252; font-weight: 800; cursor: pointer; }
.practice-mode .guided-step .guided-details { display: none; }
.practice-mode .guided-step.guidance-revealed .guided-details { display: block; }
.practice-mode .reveal-guidance { display: block; }
.practice-mode .guidance-key::after { content: "Practice mode is on: guidance is hidden until you reveal it."; display: block; width: 100%; margin-top: .5rem; font-weight: 800; color: #6c2908; }
.clarity-feedback { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin: 1.25rem 0; padding: 1rem 1.1rem; border: 1px solid #d9cdd7; border-radius: .85rem; background: #fbf8fb; }
.clarity-feedback > div:first-child { display: grid; gap: .2rem; }
.clarity-feedback span { color: #615860; font-size: .9rem; }
.clarity-feedback button { padding: .6rem .9rem; border: 1px solid #7c6d79; border-radius: 999px; background: #fff; color: #30272e; font: inherit; font-weight: 800; cursor: pointer; }
.clarity-feedback button.is-selected { border-color: #761468; background: #761468; color: #fff; }
.mastery-panel { margin: 1rem 0 1.35rem; padding: 1.15rem 1.25rem; border: 2px solid #e0a234; border-radius: 1rem; background: #fff9e9; }
.mastery-panel > span { color: #7a5200; font-size: .78rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
.mastery-panel h2 { margin: .25rem 0 .35rem; }
.mastery-panel.is-mastered { border-color: #27805a; background: #effaf5; }
.mastery-panel.is-mastered > span { color: #176342; }
.independent-brief { display: flex; flex-direction: column; gap: .25rem; margin: .9rem 0; padding: .9rem 1rem; border-left: 5px solid #e45d17; background: #fff7f1; }
.challenge-hints { margin: 1rem 0; border: 1px solid #d6cbd4; border-radius: .85rem; padding: .9rem 1rem; background: #fff; }
.challenge-hints > summary { cursor: pointer; color: #5b1252; font-weight: 900; }
.studio-rubric { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .7rem; margin-top: 1rem; }
.studio-rubric span { padding: .85rem; border: 1px solid #d9cdd7; border-radius: .75rem; background: #fff; }
.studio-rubric strong { display: block; color: #761468; }
.capstone-rubric { margin: 1.25rem 0; padding: 1.2rem; border: 2px solid #761468; border-radius: 1rem; background: #faf5fa; }
.capstone-rubric > span { color: #761468; font-weight: 900; text-transform: uppercase; font-size: .78rem; letter-spacing: .08em; }
.capstone-rubric > div { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: .8rem; }
.capstone-rubric article { padding: .85rem; border-radius: .75rem; background: #fff; }
.summary-week-card.is-mastered { box-shadow: inset 0 0 0 2px #27805a; }
.skills-checklist { display:grid; gap:.7rem; padding:0; list-style:none; }
.skills-checklist li { display:grid; grid-template-columns:2rem 1fr; gap:.75rem; padding:.9rem 1rem; border:1px solid #ddd2db; border-radius:.8rem; background:#fff; }
.skills-checklist li > span { display:grid; place-items:center; width:1.8rem; height:1.8rem; border-radius:50%; background:#eee8ed; color:#6a5e67; font-weight:900; }
.skills-checklist li p { margin:.2rem 0; }
.skills-checklist li small { color:#685d66; }
.skills-checklist li.is-mastered { border-color:#5ba684; background:#effaf5; }
.skills-checklist li.is-mastered > span { background:#27805a; color:#fff; }
@media (max-width: 720px) {
  .clarity-feedback { align-items: stretch; flex-direction: column; }
  .clarity-feedback > div:last-child { display: grid; grid-template-columns: 1fr 1fr; }
  .studio-rubric, .capstone-rubric > div { grid-template-columns: 1fr; }
  .software-click-map { grid-template-columns: 1fr; grid-template-rows: 2.2rem 6rem 5rem; }
  .software-map-ribbon { grid-column: 1; }
  .software-map-target { margin: 0 .65rem .65rem; }
  .visual-click-map .click-arrow { transform: rotate(90deg); }
}

/* v2.19 tutor booking and difficulty alerts */
.notification-badge { display:inline-grid; place-items:center; min-width:1.45rem; height:1.45rem; padding:0 .38rem; margin-left:.25rem; border-radius:999px; background:#c82727; color:#fff; font-size:.75rem; font-weight:900; line-height:1; }
.notification-centre { border-top:5px solid #761468; }
.email-alert-status { margin:.85rem 0 1rem; padding:.8rem 1rem; border:1px solid #d7cbd5; border-radius:.75rem; background:#f8f5f8; color:#4c4149; }
.email-alert-status.is-connected { border-color:#75ad91; background:#eff9f4; color:#145a3a; }
.email-alert-status.needs-setup { border-color:#d9a54e; background:#fff9e9; color:#684600; }
.notification-list { display:grid; gap:.75rem; }
.notification-item { display:grid; grid-template-columns:2.8rem minmax(0,1fr) auto; gap:.85rem; align-items:center; padding:1rem; border:1px solid #d9ced7; border-radius:.9rem; background:#fff; }
.notification-item.is-unread { border-color:#761468; box-shadow:inset 5px 0 0 #761468, 0 5px 16px rgba(72,25,64,.09); background:#fcf8fc; }
.notification-icon { display:grid; place-items:center; width:2.55rem; height:2.55rem; border-radius:50%; background:#eee6ed; color:#761468; font-size:1.2rem; font-weight:900; }
.notification-item.is-unread .notification-icon { background:#761468; color:#fff; }
.notification-copy { display:grid; gap:.18rem; min-width:0; }
.notification-copy > span { color:#6b5f68; font-size:.78rem; font-weight:800; text-transform:uppercase; letter-spacing:.035em; }
.notification-copy > strong { color:#3e1838; font-size:1.02rem; }
.notification-copy p, .notification-copy small { margin:0; overflow-wrap:anywhere; }
.notification-copy small { color:#5f555d; }
.notification-copy .email-delivery { width:max-content; margin-top:.18rem; padding:.2rem .48rem; border-radius:999px; background:#eee9ed; color:#5d515a; font-size:.72rem; font-weight:800; }
.notification-copy .email-delivery.sent { background:#e3f4eb; color:#16613e; }
.notification-copy .email-delivery.failed { background:#fde9e7; color:#8a231d; }
.notification-copy .email-delivery.pending { background:#fff1d8; color:#714900; }
.notification-actions { display:flex; flex-wrap:wrap; justify-content:flex-end; gap:.45rem; }
@media (max-width:720px) {
  .notification-item { grid-template-columns:2.6rem minmax(0,1fr); align-items:start; }
  .notification-actions { grid-column:1 / -1; justify-content:stretch; }
  .notification-actions .portal-button { flex:1; }
}

/* v2.33 course search and professional achievement summary */
.course-search-panel{display:grid;gap:1rem}.course-search-panel form{display:grid;gap:.45rem}.course-search-panel label{font-weight:850;color:#4e1747}.search-input-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.6rem}.search-input-row input{min-height:48px;padding:.75rem .9rem;border:1px solid #9b8d98;border-radius:.7rem;font:inherit}.search-filters{display:flex;flex-wrap:wrap;gap:.45rem}.search-filters button{padding:.55rem .85rem;border:1px solid #80737d;border-radius:999px;background:#fff;color:#3d333b;font:inherit;font-weight:800;cursor:pointer}.search-filters button[aria-pressed="true"]{border-color:#761468;background:#761468;color:#fff}.course-search-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.course-search-result{display:flex;flex-direction:column;align-items:flex-start;padding:1rem;border:1px solid #d8cdd6;border-radius:.85rem;background:#fff}.course-search-result>span{color:#685d65;font-size:.76rem;font-weight:900;letter-spacing:.04em;text-transform:uppercase}.course-search-result h3{margin:.35rem 0}.course-search-result h3 a{color:#5b1252}.course-search-result p{flex:1;margin:.25rem 0 .9rem}.course-search-result mark{padding:0 .08rem;background:#ffe49d;color:#352500}.milestone-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.8rem}.milestone-card{padding:1rem;border:1px solid #cbd5dd;border-top:5px solid #647586;border-radius:.85rem;background:#f8fafb}.milestone-card>span{display:inline-flex;padding:.25rem .52rem;border-radius:999px;background:#e8edf1;color:#354657;font-size:.75rem;font-weight:900}.milestone-card h3{margin:.55rem 0 .3rem;color:#3e1838}.milestone-card p{margin:.2rem 0 .7rem}.milestone-card small{color:#5f6870;font-weight:800}.milestone-card.is-achieved{border-color:#63a687;border-top-color:#197149;background:#eff9f4}.milestone-card.is-achieved>span{background:#197149;color:#fff}.achievement-summary{border-top:6px solid #761468}.achievement-statement{margin-top:1rem;padding:1rem;border-left:5px solid #197149;border-radius:.5rem;background:#eff9f4}.achievement-statement p{margin:.35rem 0 0}.achievement-note{color:#655a62;font-size:.86rem}.course-search a{font-weight:800;color:#5b1252}
@media(max-width:850px){.milestone-grid,.course-search-results{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.milestone-grid,.course-search-results,.search-input-row{grid-template-columns:1fr}.search-input-row .button{width:100%}}
@media print{body.print-achievement-only .resource-main>*:not(#achievement-summary){display:none!important}body.print-achievement-only #achievement-summary{display:block!important;border:1px solid #aaa;box-shadow:none}body.print-achievement-only #print-achievement{display:none!important}body.print-achievement-only .milestone-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}