:root {
  /* Eye-comfortable warm palette — not stark white, not dark */
  --bg: #F6F2E9;
  --bg2: #EFE9DA;
  --card: #FBF8F1;
  --border: #DDD4C0;
  --border-soft: #E7E0CE;
  --text: #3A3530;
  --text2: #7A7264;
  --heading: #2E2A24;
  --terracotta: #B5602F;
  --terracotta-bg: #F3E3D3;
  --teal: #2F6E64;
  --teal-bg: #DFEDE9;
  --amber: #A87C1E;
  --amber-bg: #F2E7CB;
  --sage: #5B7355;
  --sage-bg: #E4EBDF;
  --plum: #7A5271;
  --plum-bg: #EEE1EB;
  --red: #B0473D;
  --red-bg: #F3E0DC;
  box-sizing: border-box;
  padding-top: env(safe-area-inset-top, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top: env(safe-area-inset-top, 0px); }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  line-height: 1.75;
  font-size: 16px;
}
.container { max-width: 880px; margin: 0 auto; padding: 0 24px; }
a { color: var(--teal); text-decoration: underline; text-decoration-color: rgba(47,110,100,.3); text-underline-offset: 2px; }
a:hover { color: var(--terracotta); }

/* HERO */
.hero { padding: 64px 0 40px; text-align:center; border-bottom: 1px solid var(--border); }
.hero-badge { display:inline-block; background:var(--teal-bg); color:var(--teal); padding:6px 18px; border-radius:100px; font-size:12px; font-weight:600; letter-spacing:1.2px; text-transform:uppercase; margin-bottom:22px; }
.hero h1 { font-family:'Source Serif 4',serif; font-size:44px; font-weight:700; color:var(--heading); line-height:1.2; margin-bottom:16px; }
.hero .lead { font-size:18px; color:var(--text2); max-width:600px; margin:0 auto; }
.hero-meta { margin-top:24px; font-size:13px; color:var(--text2); }

/* WELCOME LETTER */
.welcome { background:var(--card); border:1px solid var(--border-soft); border-radius:16px; padding:36px; margin:40px 0; }
.welcome p { margin-bottom:16px; font-size:16px; }
.welcome .sign { font-family:'Source Serif 4',serif; font-style:italic; color:var(--heading); margin-top:24px; font-size:17px; }

/* TOC / PROGRESS TRACKER */
.toc { background:var(--card); border:1px solid var(--border-soft); border-radius:16px; padding:32px; margin:40px 0; }
.toc h3 { font-family:'Source Serif 4',serif; font-size:22px; color:var(--heading); margin-bottom:6px; }
.toc .toc-sub { color:var(--text2); font-size:14px; margin-bottom:20px; }
.module-list { list-style:none; }
.module-list li { display:flex; gap:14px; align-items:flex-start; padding:10px 0; border-bottom:1px solid var(--border-soft); }
.module-list li:last-child { border-bottom:none; }
.module-list .mnum { flex-shrink:0; width:32px; height:32px; background:var(--teal-bg); color:var(--teal); border-radius:8px; display:flex; align-items:center; justify-content:center; font-family:'JetBrains Mono',monospace; font-size:13px; font-weight:600; }
.module-list a { color:var(--text); font-weight:600; text-decoration:none; }
.module-list a:hover { color:var(--terracotta); }
.module-list .mdesc { color:var(--text2); font-size:13px; margin-top:2px; }

/* MODULES */
.module { padding:56px 0; border-bottom: 1px solid var(--border); scroll-margin-top: 20px; }
.module:last-of-type { border-bottom:none; }
.module-tag { display:inline-flex; align-items:center; gap:8px; font-family:'JetBrains Mono',monospace; font-size:11px; letter-spacing:1.5px; color:var(--terracotta); background:var(--terracotta-bg); padding:5px 12px; border-radius:5px; margin-bottom:16px; text-transform:uppercase; }
h2 { font-family:'Source Serif 4',serif; font-size:32px; font-weight:700; color:var(--heading); line-height:1.25; margin-bottom:10px; }
h3 { font-family:'Source Serif 4',serif; font-size:21px; font-weight:600; color:var(--heading); margin:30px 0 12px; }
h4 { font-size:15px; font-weight:700; color:var(--heading); margin:22px 0 8px; text-transform:uppercase; letter-spacing:.4px; }
p { margin-bottom:15px; }
.lede { color:var(--text2); font-size:17px; margin-bottom:26px; }

/* CALLOUTS */
.callout { border-radius:12px; padding:20px 24px; margin:22px 0; border-left:4px solid; }
.callout.terracotta { background:var(--terracotta-bg); border-color:var(--terracotta); }
.callout.teal { background:var(--teal-bg); border-color:var(--teal); }
.callout.amber { background:var(--amber-bg); border-color:var(--amber); }
.callout.sage { background:var(--sage-bg); border-color:var(--sage); }
.callout.plum { background:var(--plum-bg); border-color:var(--plum); }
.callout.red { background:var(--red-bg); border-color:var(--red); }
.ct { font-weight:700; font-size:12px; margin-bottom:8px; text-transform:uppercase; letter-spacing:.6px; }
.callout.terracotta .ct { color:var(--terracotta); }
.callout.teal .ct { color:var(--teal); }
.callout.amber .ct { color:var(--amber); }
.callout.sage .ct { color:var(--sage); }
.callout.plum .ct { color:var(--plum); }
.callout.red .ct { color:var(--red); }
.callout p:last-child { margin-bottom:0; }

/* TABLES */
.tbl-wrap { overflow-x:auto; margin:22px 0; border-radius:10px; border:1px solid var(--border-soft); }
table { width:100%; border-collapse:collapse; font-size:14px; min-width:480px; }
thead th { background:var(--bg2); color:var(--heading); font-size:12px; font-weight:700; text-transform:uppercase; letter-spacing:.5px; padding:12px 16px; text-align:left; }
tbody td { padding:13px 16px; border-top:1px solid var(--border-soft); color:var(--text); vertical-align:top; background:var(--card); }
.mono { font-family:'JetBrains Mono',monospace; font-size:13px; }

/* LISTS */
ul.check, ol.num-list { list-style:none; margin:14px 0; }
ul.check li { position:relative; padding:7px 0 7px 30px; }
ul.check li::before { content:'✓'; position:absolute; left:0; top:7px; color:var(--teal); font-weight:700; }
ol.num-list { counter-reset:steps; }
ol.num-list li { counter-increment:steps; position:relative; padding:8px 0 8px 38px; }
ol.num-list li::before { content:counter(steps); position:absolute; left:0; top:7px; width:24px; height:24px; background:var(--teal-bg); color:var(--teal); font-family:'JetBrains Mono',monospace; font-size:12px; font-weight:700; border-radius:6px; display:flex; align-items:center; justify-content:center; }

/* EXAMPLE BOX */
.example { background:var(--card); border:1px dashed var(--border); border-radius:12px; padding:20px 24px; margin:20px 0; }
.example .ex-label { font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--text2); text-transform:uppercase; letter-spacing:1px; margin-bottom:10px; }

/* CODE / TEMPLATE BLOCK */
.code-block { background:#2E2A24; color:#EDE6D6; border-radius:10px; padding:18px 20px; margin:18px 0; font-family:'JetBrains Mono',monospace; font-size:12.5px; line-height:1.85; overflow-x:auto; white-space:pre-wrap; }
.code-block .comment { color:#A89B7E; }

/* PRACTICE BOX */
.practice { background:var(--sage-bg); border:1px solid rgba(91,115,85,.25); border-radius:12px; padding:22px 24px; margin:22px 0; }
.practice .pt { font-weight:700; color:var(--sage); font-size:13px; text-transform:uppercase; letter-spacing:.6px; margin-bottom:10px; display:flex; align-items:center; gap:8px; }

/* GLOSSARY */
.gloss-term { font-family:'Source Serif 4',serif; font-weight:700; color:var(--heading); font-size:16px; }
.gloss-def { color:var(--text2); font-size:14px; margin-top:2px; margin-bottom:16px; }

/* QUICK REFERENCE CARD */
.ref-card { background:var(--card); border:2px solid var(--teal); border-radius:16px; padding:30px; margin:24px 0; }
.ref-card h3 { color:var(--teal); border-bottom:1px solid var(--border-soft); padding-bottom:14px; margin-top:0; }

/* DIVIDER DOTS */
.dots { text-align:center; color:var(--border); font-size:20px; letter-spacing:8px; margin:8px 0; }

/* FOOTER */
.footer { text-align:center; padding:48px 0 64px; }
.footer .final { font-family:'Source Serif 4',serif; font-size:22px; color:var(--heading); margin-bottom:10px; }
.footer p { color:var(--text2); font-size:13px; }

@media (max-width:640px) {
  .hero { padding:44px 0 28px; }
  .hero h1 { font-size:30px; }
  h2 { font-size:26px; }
  .module { padding:40px 0; }
  .welcome, .toc { padding:24px; }
}

/* ===== ProInfoDesk Academy additions (Foundation styles above are unchanged) ===== */
html, body { min-height: 100%; }
body { -webkit-text-size-adjust: 100%; }
.sr-only { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

/* Top bar */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 30; background: rgba(246,242,233,.95); border-bottom: 1px solid var(--border); }
@supports (backdrop-filter: blur(6px)) { .topbar { backdrop-filter: blur(6px); background: rgba(246,242,233,.86); } }
.topbar-inner { max-width: 1080px; margin: 0 auto; display: flex; align-items: center; gap: 18px; padding: 10px 24px; }
.brand { font-family: 'Source Serif 4', Georgia, serif; font-weight: 700; font-size: 18px; color: var(--heading); text-decoration: none; white-space: nowrap; }
.brand span { color: var(--terracotta); font-weight: 600; }
.nav { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; flex: 1; }
.nav::-webkit-scrollbar { display: none; }
.nav a { padding: 6px 10px; border-radius: 8px; font-size: 14px; color: var(--text2); text-decoration: none; white-space: nowrap; }
.nav a:hover { color: var(--heading); background: var(--bg2); }
.nav a[aria-current="page"] { color: var(--heading); background: var(--bg2); font-weight: 600; }
.nav a.signout { margin-left: auto; }

.wrap { max-width: 880px; margin: 0 auto; padding: 0 24px; }
.locked { padding: 96px 0; text-align: center; color: var(--text2); }
.locked strong { display:block; font-family:'Source Serif 4', Georgia, serif; color: var(--heading); font-size: 22px; margin-bottom: 6px; }

/* Buttons */
.btn, .btn-ghost { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 600 15px/1.2 'Inter', system-ui, sans-serif; border-radius: 10px; padding: 11px 18px; cursor: pointer; text-decoration: none; }
.btn { background: var(--teal); color: #fff; border: 1px solid var(--teal); }
.btn:hover { background: #255a52; color: #fff; }
.btn-ghost { background: transparent; color: var(--teal); border: 1px solid rgba(47,110,100,.45); }
.btn-ghost:hover { background: var(--teal-bg); color: var(--teal); }
.btn:disabled, .btn-ghost:disabled { opacity: .45; cursor: not-allowed; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0; }
.btn-small { padding: 7px 12px; font-size: 13px; }

/* Focus and motion */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible, label.opt:focus-within { outline: 3px solid var(--terracotta); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }

/* Advanced module page */
.adv .mod-head { padding: 48px 0 26px; border-bottom: 1px solid var(--border); }
.crumbs { font-size: 13px; color: var(--text2); }
.crumbs a { color: var(--text2); }
.mod-kicker { display: inline-block; font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--terracotta); background: var(--terracotta-bg); padding: 4px 10px; border-radius: 5px; margin: 16px 0 12px; }
.adv h1, .page-h1 { font-family: 'Source Serif 4', Georgia, serif; font-size: 42px; line-height: 1.15; color: var(--heading); margin-bottom: 14px; font-weight: 700; }
.mod-meta { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; color: var(--text2); }
.mod-meta b { color: var(--heading); font-weight: 600; }
.mod-status { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 8px; }
.onpage { display: flex; flex-wrap: wrap; gap: 6px; margin: 22px 0 4px; }
.onpage a { font-size: 13px; border: 1px solid var(--border); border-radius: 100px; padding: 4px 12px; text-decoration: none; color: var(--text2); background: var(--card); }
.onpage a:hover { color: var(--terracotta); border-color: var(--terracotta); }
.adv .s { padding: 34px 0 6px; scroll-margin-top: 76px; }
.adv h2 { font-size: 27px; margin-bottom: 14px; }
.adv h3 { font-size: 19px; margin: 26px 0 10px; }
.adv .intro-text { font-size: 18px; color: var(--text); }
.adv blockquote { border-left: 3px solid var(--border); padding: 6px 0 6px 18px; margin: 18px 0; color: var(--text); background: transparent; }
.adv blockquote p:last-child { margin-bottom: 0; }
.adv ul, .adv ol { margin: 10px 0 16px 22px; }
.adv li { margin: 5px 0; }
.adv ol.num-list, .adv ul.check { margin-left: 0; }
.adv pre.code-block { white-space: pre-wrap; }
.adv pre.code-block code { font: inherit; background: none; color: inherit; }
.adv code { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .88em; background: var(--bg2); padding: 1px 5px; border-radius: 4px; }

/* Case card */
.case-card { background: var(--card); border: 1px solid var(--border); border-top: 4px solid var(--amber); border-radius: 12px; padding: 22px 24px 8px; margin: 22px 0; }
.case-label { font-size: 12px; font-weight: 600; color: var(--amber); margin-bottom: 4px; }
.case-title { font-family: 'Source Serif 4', Georgia, serif; font-size: 20px; font-weight: 700; color: var(--heading); margin-bottom: 12px; line-height: 1.3; }
.case-card strong { color: var(--heading); }

/* Expandable answers */
details.reveal { border: 1px solid var(--border-soft); background: var(--card); border-radius: 10px; margin: 10px 0; }
details.reveal > summary { cursor: pointer; padding: 12px 16px 12px 42px; font-weight: 600; color: var(--heading); list-style: none; position: relative; }
details.reveal > summary::-webkit-details-marker { display: none; }
details.reveal > summary::before { content: '+'; position: absolute; left: 14px; top: 10px; width: 20px; height: 20px; border-radius: 5px; background: var(--teal-bg); color: var(--teal); font-weight: 700; display: flex; align-items: center; justify-content: center; line-height: 1; }
details.reveal[open] > summary::before { content: '−'; }
.reveal-body { padding: 0 18px 14px; }
.reveal-body p:last-child { margin-bottom: 0; }

/* Think like an SEO / Editor challenge */
.think { background: var(--teal-bg); border: 1px solid rgba(47,110,100,.22); border-radius: 14px; padding: 24px 26px; }
.think p:last-child, .editor-box p:last-child { margin-bottom: 0; }
.editor-box { background: var(--plum-bg); border: 1px solid rgba(122,82,113,.22); border-radius: 14px; padding: 24px 26px; }
.box-label { font-size: 13px; font-weight: 700; margin-bottom: 8px; }
.think .box-label { color: var(--teal); }
.editor-box .box-label { color: var(--plum); }

/* Mistakes */
ul.mistakes { list-style: none; margin: 10px 0; }
ul.mistakes li { position: relative; padding: 8px 0 8px 30px; border-bottom: 1px solid var(--border-soft); }
ul.mistakes li:last-child { border-bottom: 0; }
ul.mistakes li::before { content: '✕'; position: absolute; left: 4px; top: 8px; color: var(--red); font-weight: 700; }

/* Level badges */
.lvl { display: inline-flex; align-items: center; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 100px; white-space: nowrap; }
.lvl-A { background: #E9E3D5; color: #5E574B; }
.lvl-B { background: var(--teal-bg); color: var(--teal); }
.lvl-C { background: var(--amber-bg); color: #86621A; }
.lvl-D { background: var(--plum-bg); color: var(--plum); }
.lvl-E { background: var(--terracotta-bg); color: #9A4F24; }

/* Assignment card */
.task { background: var(--card); border: 2px solid var(--terracotta); border-radius: 14px; padding: 24px 26px 10px; margin: 8px 0; }
.task-top { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.task-top .proj { font-size: 13px; font-weight: 600; color: var(--terracotta); text-decoration: none; }
.practice .pt { text-transform: none; letter-spacing: 0; font-size: 14px; }

/* Review questions */
.rq { border-top: 1px solid var(--border-soft); padding: 18px 0 8px; }
.rq:first-of-type { border-top: 0; }
.rq-q { font-weight: 600; color: var(--heading); margin-bottom: 10px; }
.rq textarea, .field input, .field textarea { width: 100%; min-height: 92px; border: 1px solid var(--border); border-radius: 10px; padding: 12px 14px; font: 15px/1.6 'Inter', system-ui, sans-serif; color: var(--text); background: var(--card); resize: vertical; }
.rq-hint { font-size: 13px; color: var(--text2); margin: 6px 0 0; }
.rq-model { margin-top: 12px; background: var(--sage-bg); border-radius: 10px; padding: 14px 16px; font-size: 15px; }
.rq-model b { color: var(--sage); display: block; font-size: 13px; margin-bottom: 4px; }

/* Quiz */
.quiz-intro { color: var(--text2); font-size: 15px; }
.q { background: var(--card); border: 1px solid var(--border-soft); border-radius: 12px; padding: 20px 22px; margin: 14px 0; }
.q-kind { font-size: 12px; color: var(--text2); font-weight: 600; }
.q-prompt { font-weight: 600; color: var(--heading); margin: 6px 0 12px; }
.q-prompt p { margin: 0; }
.opt { display: flex; gap: 12px; align-items: flex-start; padding: 10px 14px; border: 1px solid var(--border-soft); border-radius: 9px; margin: 8px 0; cursor: pointer; background: var(--bg); line-height: 1.55; }
.opt:hover { border-color: var(--border); }
.opt input { margin-top: 4px; accent-color: var(--teal); flex-shrink: 0; width: 16px; height: 16px; }
.opt.is-correct { border-color: var(--teal); background: var(--teal-bg); }
.opt.is-wrong { border-color: var(--red); background: var(--red-bg); }
.q.locked-q .opt { cursor: default; }
.q-verdict { font-weight: 700; font-size: 14px; margin-top: 12px; }
.q.correct .q-verdict { color: var(--teal); }
.q.wrong .q-verdict { color: var(--red); }
.q-exp { margin-top: 6px; font-size: 15px; }
.q.unanswered { border-color: var(--amber); }
.quiz-msg { color: #86621A; font-size: 14px; font-weight: 600; margin-top: 8px; min-height: 1em; }
.score { border-radius: 14px; padding: 22px 24px; margin: 20px 0; background: var(--card); border: 2px solid var(--amber); }
.score.pass { border-color: var(--teal); }
.score-num { font-family: 'Source Serif 4', Georgia, serif; font-size: 40px; font-weight: 700; color: var(--heading); line-height: 1; }
.score-line { margin: 6px 0 14px; }
.bar { position: relative; height: 10px; border-radius: 10px; background: var(--bg2); overflow: visible; margin: 10px 0 6px; }
.bar > i { display: block; height: 100%; border-radius: 10px; background: var(--teal); }
.bar .mark { position: absolute; top: -4px; width: 2px; height: 18px; background: var(--heading); }
.bar-cap { display: flex; justify-content: space-between; font-size: 12px; color: var(--text2); }

/* Status pills */
.pill { display: inline-flex; font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 100px; background: var(--bg2); color: var(--text2); white-space: nowrap; }
.pill.passed { background: var(--amber-bg); color: #86621A; }
.pill.done { background: var(--teal-bg); color: var(--teal); }
.pill.tried { background: var(--red-bg); color: var(--red); }

/* Pager */
.pager { display: flex; justify-content: space-between; gap: 16px; padding: 36px 0 72px; border-top: 1px solid var(--border); margin-top: 40px; }
.pager a { display: block; max-width: 48%; text-decoration: none; color: var(--heading); font-weight: 600; }
.pager a small { display: block; color: var(--text2); font-weight: 400; font-size: 13px; }
.pager a.next { text-align: right; margin-left: auto; }

/* Complete panel */
.complete-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px 22px; margin: 18px 0; }
.complete-panel p { margin: 0; font-size: 14px; color: var(--text2); flex: 1; min-width: 220px; }

/* Dashboard */
.dash-hero { padding: 56px 0 30px; border-bottom: 1px solid var(--border); }
.dash-hero .lead { font-size: 18px; color: var(--text2); max-width: 640px; }
.path { list-style: none; display: grid; grid-template-columns: repeat(5, 1fr); margin: 30px 0 6px; counter-reset: path; }
.path li { counter-increment: path; border-top: 3px solid var(--border); padding: 12px 12px 0 0; font-size: 14px; color: var(--text2); }
.path li::before { content: counter(path); display: block; font-family: 'Source Serif 4', Georgia, serif; font-size: 22px; font-weight: 700; color: var(--border); line-height: 1.2; }
.path li b { display: block; color: var(--heading); font-size: 15px; }
.path li.on { border-top-color: var(--terracotta); }
.path li.on::before { color: var(--terracotta); }
.progress-line { margin: 28px 0 8px; }
.progress-line p { margin-bottom: 4px; }
.ledger-part { margin: 42px 0 10px; }
.part-head { display: grid; grid-template-columns: 38px 1fr; gap: 4px 12px; border-bottom: 2px solid var(--heading); padding-bottom: 10px; }
.part-letter { font-family: 'Source Serif 4', Georgia, serif; font-size: 30px; font-weight: 700; color: var(--terracotta); line-height: 1; grid-row: span 2; }
.part-name { font-family: 'Source Serif 4', Georgia, serif; font-size: 21px; font-weight: 700; color: var(--heading); line-height: 1.2; }
.part-desc { color: var(--text2); font-size: 14px; }
.ledger-row { display: grid; grid-template-columns: 44px 1fr auto; gap: 14px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--border-soft); text-decoration: none; color: var(--text); }
.ledger-row:hover .lr-title { color: var(--terracotta); }
.lr-num { font-family: 'JetBrains Mono', ui-monospace, monospace; color: var(--text2); font-size: 14px; }
.lr-title { font-weight: 600; color: var(--heading); line-height: 1.4; }
.lr-meta { font-size: 13px; color: var(--text2); }
.side-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 28px; margin: 18px 0; }
.side-links a { display: block; padding: 14px 0; border-bottom: 1px solid var(--border-soft); text-decoration: none; }
.side-links a b { display: block; color: var(--heading); }
.side-links a span { color: var(--text2); font-size: 14px; }
.side-links a:hover b { color: var(--terracotta); }
.levels-table td:first-child { white-space: nowrap; }
.field { margin: 12px 0; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; color: var(--heading); }
.field input { min-height: 0; }

/* Prompts and templates */
.lib-item { border-top: 1px solid var(--border); padding: 30px 0 10px; scroll-margin-top: 76px; }
.lib-item h2 { font-size: 25px; }
.pgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 28px; margin: 14px 0; }
.pgrid div b { display: block; font-size: 13px; color: var(--heading); margin-bottom: 2px; }
.pgrid div p { font-size: 15px; margin: 0; }
.pgrid .verify { background: var(--amber-bg); border-radius: 10px; padding: 12px 14px; }
.lib-index { columns: 2; column-gap: 28px; margin: 18px 0; padding-left: 20px; }
.lib-index li { break-inside: avoid; margin: 4px 0; }

/* Project and certification */
.step-row { display: grid; grid-template-columns: 28px 40px 1fr; gap: 12px; align-items: start; padding: 13px 0; border-bottom: 1px solid var(--border-soft); }
.step-row input { width: 18px; height: 18px; margin-top: 4px; accent-color: var(--teal); }
.step-row .sn { font-family: 'JetBrains Mono', ui-monospace, monospace; color: var(--text2); font-size: 14px; padding-top: 2px; }
.step-row .st { font-weight: 600; color: var(--heading); }
.step-row .st a { font-weight: 400; font-size: 14px; }
.cert { border: 1px solid var(--border); border-radius: 14px; padding: 24px 26px 12px; background: var(--card); margin: 18px 0; }
.cert-rank { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: 12px; color: var(--terracotta); }
.cert h2 { font-size: 24px; margin: 4px 0 6px; }
.cert .cert-what { color: var(--text2); }
.gate { margin: 14px 0; }
.gate-label { font-size: 13px; font-weight: 600; color: var(--heading); }

/* Transition (end of Foundation) */
.transition { background: var(--card); border: 1px solid var(--border); border-radius: 18px; padding: 36px 34px; }
.t-kicker { font-size: 13px; font-weight: 700; color: var(--terracotta); margin-bottom: 4px; }
.transition h2 { font-size: 28px; }
.t-arrow { font-size: 28px; color: var(--border); margin: 10px 0; }

/* Login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 40px 24px; }
.login-card { width: 100%; max-width: 460px; }
.login-card .mark { font-family: 'Source Serif 4', Georgia, serif; font-size: 15px; font-weight: 600; color: var(--terracotta); margin-bottom: 18px; }
.login-card h1 { font-family: 'Source Serif 4', Georgia, serif; font-size: 38px; line-height: 1.15; color: var(--heading); margin-bottom: 12px; }
.login-card .lead { color: var(--text2); margin-bottom: 26px; }
.login-card input { width: 100%; padding: 14px 16px; font: 500 18px 'Inter', system-ui, sans-serif; letter-spacing: .06em; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--heading); margin-bottom: 12px; }
.login-card .btn { width: 100%; padding: 14px; font-size: 16px; }
.login-err { color: var(--red); font-size: 14px; font-weight: 600; min-height: 1.5em; margin-top: 10px; }
.login-foot { margin-top: 20px; font-size: 13px; color: var(--text2); border-top: 1px solid var(--border); padding-top: 16px; }
.tabbar { display: flex; gap: 4px; background: var(--bg2); border-radius: 10px; padding: 4px; margin-bottom: 20px; }
.tab-btn { flex: 1; border: 0; background: transparent; padding: 9px 10px; font: 600 14px 'Inter', system-ui, sans-serif; color: var(--text2); border-radius: 7px; cursor: pointer; }
.tab-btn.is-active { background: var(--card); color: var(--heading); box-shadow: 0 1px 2px rgba(0,0,0,.06); }
.tab-panel input[type=email], .tab-panel input[type=password], .tab-panel input[type=text] { width: 100%; padding: 14px 16px; font: 500 16px 'Inter', system-ui, sans-serif; border: 1px solid var(--border); border-radius: 10px; background: var(--card); color: var(--heading); margin-bottom: 10px; }
.nav-user { font-size: 13px; color: var(--text2); padding: 6px 4px; white-space: nowrap; }

@media (max-width: 720px) {
  .adv h1, .page-h1 { font-size: 32px; }
  .adv h2 { font-size: 23px; }
  .path { grid-template-columns: 1fr; }
  .path li { display: grid; grid-template-columns: 32px 1fr; padding: 10px 0; border-top-width: 2px; }
  .path li::before { grid-row: span 2; }
  .pgrid, .side-links { grid-template-columns: 1fr; }
  .lib-index { columns: 1; }
  .ledger-row { grid-template-columns: 34px 1fr; }
  .ledger-row .pill { grid-column: 2; justify-self: start; }
  .transition, .task, .think, .editor-box { padding: 22px 20px; }
  .topbar-inner { padding: 8px 14px; gap: 10px; }
  .brand { font-size: 16px; }
}
@media print { .topbar, .pager, .onpage, .btn, .btn-ghost { display: none !important; } }