@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700;800&family=DM+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400&family=JetBrains+Mono:wght@400;600&family=Caveat:wght@700&display=swap');
/*
 * cs.css — EZ Tutor Computer Science strand.
 * Same brand as GCSE Maths (cream / teal / amber / Playfair + DM Sans).
 * Adds code editor, terminal, lesson-step, and flowchart diagram styles.
 */

:root {
  --cream: #FAF7F2; --warm-white: #FFFDF9;
  --amber: #E8A842; --amber-dark: #C48A28; --amber-light: #FDF0D5;
  --teal: #2D6A6A; --teal-dark: #1E4D4D; --teal-light: #E8F4F4;
  --charcoal: #2C2C2C; --mid-gray: #6B6B6B; --line: #e5e0d9; --line-2: #d8d2c8;
  --ok: #2d8c5a; --ok-bg: #eaf7f0; --ok-ink: #1a5c38;
  --no: #c0392b; --no-bg: #fdf0ee; --no-ink: #8b1a12;
  --code-bg: #1e1e2e; --code-fg: #cdd6f4; --code-green: #a6e3a1; --code-blue: #89b4fa;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
  --r-sm: 10px; --r: 14px; --r-lg: 20px; --r-xl: 24px; --pill: 50px;
  --sh-sm: 0 4px 24px rgba(0,0,0,.06); --sh: 0 12px 40px rgba(0,0,0,.1); --sh-lg: 0 20px 60px rgba(0,0,0,.12);
  --maxw: 1180px;
  /* design-language v2 (output/ui-redesign-spec.md) */
  --ink: #13403f; --teal-bright: #3BA6A0; --surface: #FFFDF8;
  --line-soft: rgba(19,64,63,.08);
  --sh-lift: 0 16px 40px -18px rgba(19,64,63,.35);
  --ease-out: cubic-bezier(.22,1,.36,1);
}

*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-body); background: var(--cream); color: var(--charcoal); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: var(--teal); text-decoration: none; }
a:hover { color: var(--teal-dark); }
img, svg { max-width: 100%; }
h1,h2,h3,.display { font-family: var(--font-display); font-weight: 700; line-height: 1.18; color: var(--charcoal); letter-spacing: -.01em; }
h1 { font-size: clamp(2rem,4vw,3rem); margin: 14px 0 10px; }
h2 { font-size: clamp(1.5rem,3vw,2.2rem); margin: 30px 0 14px; }
h3 { font-size: 1.15rem; margin: 0 0 4px; font-weight: 700; }
h1 em, h2 em { color: var(--teal); font-style: normal; }
.sub  { color: var(--mid-gray); margin: 0 0 26px; font-size: clamp(1rem,2vw,1.12rem); line-height: 1.7; max-width: 62ch; }
.note { font-size: .86rem; color: var(--mid-gray); line-height: 1.6; }
.err  { color: var(--no); font-size: .9rem; }
.eyebrow { display: inline-block; color: var(--amber-dark); font-size: .79rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: .6rem; }
.center { text-align: center; } .hidden { display: none !important; }
:focus-visible { outline: 3px solid rgba(45,106,106,.4); outline-offset: 2px; border-radius: 6px; }

/* ── layout ─────────────────────────────────────────────────────────────── */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 30px 5vw 80px; }
.wrap.narrow { max-width: 840px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spread { display: flex; gap: 14px; align-items: center; justify-content: space-between; flex-wrap: wrap; }

/* ── header ─────────────────────────────────────────────────────────────── */
.site-header { position: sticky; top: 0; z-index: 200; background: rgba(250,247,242,.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line-soft); transition: box-shadow .3s; }
.site-header.scrolled { box-shadow: 0 10px 30px -18px rgba(19,64,63,.35); }
.site-header .bar { max-width: var(--maxw); margin: 0 auto; display: flex; align-items: center; flex-wrap: nowrap; gap: 18px; padding: .4rem 5vw; min-height: 70px; }

/* ── product switcher (v2 — replaces loose cross-app links) ─────────────── */
.switch-wrap { position: relative; }
.switch-pill { display: inline-flex; align-items: center; gap: .45rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--pill); padding: .42rem .95rem; font: 600 .82rem var(--font-body); color: var(--charcoal); cursor: pointer; transition: border-color .2s, box-shadow .2s; }
.switch-pill:hover { border-color: var(--teal); box-shadow: var(--sh-sm); }
.switch-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.switch-menu { position: absolute; right: 0; top: calc(100% + 10px); width: 270px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-lg); padding: .55rem; z-index: 300; animation: switch-in .22s var(--ease-out); }
@keyframes switch-in { from { opacity: 0; transform: translateY(-6px) scale(.98); } }
.switch-label { margin: .2rem .6rem .35rem; font-size: .68rem; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--mid-gray); }
.switch-item { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 0 .5rem; padding: .55rem .65rem; border-radius: 12px; transition: background .15s; }
.switch-item b { font-size: .9rem; color: var(--charcoal); }
.switch-item span { grid-column: 1; font-size: .76rem; color: var(--mid-gray); }
.switch-item i { grid-row: 1 / span 2; grid-column: 2; font-style: normal; color: var(--teal); font-weight: 700; }
.switch-item:hover { background: var(--teal-light); }
.switch-item.cur b { color: var(--teal); }

/* ── mobile full-screen menu (v2) ───────────────────────────────────────── */
.nav-overlay { position: fixed; inset: 0; z-index: 400; background: linear-gradient(160deg, var(--ink), var(--teal-dark)); color: #fff; display: flex; flex-direction: column; padding: 5rem 7vw 2.5rem; overflow-y: auto; }
.nav-overlay[hidden] { display: none; }
.overlay-close { position: absolute; top: 1.1rem; right: 5vw; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: #fff; font-size: 1.1rem; cursor: pointer; }
.overlay-nav { display: flex; flex-direction: column; gap: .35rem; }
.overlay-nav a { font-family: var(--font-display); font-size: clamp(1.9rem, 7vw, 2.6rem); font-weight: 700; color: #fff; padding: .35rem 0; border-bottom: 1px solid rgba(255,255,255,.08); }
.overlay-nav a.on { color: var(--amber); }
.overlay-auth { display: flex; gap: 1.2rem; align-items: center; margin-top: 1.6rem; }
.overlay-auth a { color: rgba(255,255,255,.85); font-weight: 600; }
.overlay-auth .nav-cta { background: var(--amber); color: var(--ink); }
.overlay-products { margin-top: auto; padding-top: 2rem; }
.overlay-products .switch-label { color: rgba(255,255,255,.55); }
.overlay-products .switch-item { padding: .5rem .2rem; }
.overlay-products .switch-item b { color: rgba(255,255,255,.9); font-size: 1rem; }
.overlay-products .switch-item.cur b { color: var(--amber); }
.overlay-products .switch-item:hover { background: rgba(255,255,255,.06); }
body.menu-open { overflow: hidden; }
.brand { display: inline-flex; align-items: flex-start; gap: 9px; text-decoration: none; line-height: 1; }
.brand svg { height: 46px; width: auto; flex-shrink: 0; }
.cs-badge { font-family: var(--font-display); font-weight: 700; font-size: .72rem; color: #fff; background: var(--amber-dark); padding: .1rem .5rem; border-radius: var(--pill); letter-spacing: .5px; margin-top: 3px; white-space: nowrap; }
.site-nav { display: flex; align-items: center; gap: 1.15rem; margin-left: auto; white-space: nowrap; }
.site-nav a { font-size: .88rem; font-weight: 500; color: var(--charcoal); position: relative; transition: color .2s; }
.site-nav a::after { content:''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--amber); transition: width .25s; }
.site-nav a:hover { color: var(--teal); } .site-nav a:hover::after,.site-nav a.on::after { width: 100%; }
.site-nav a.on { color: var(--teal); }
.header-right { display: flex; align-items: center; gap: 1rem; margin-left: 1.25rem; flex-shrink: 0; }
.header-right .signlink { font-size: .85rem; font-weight: 500; color: var(--mid-gray); }
.header-right .signlink:hover { color: var(--teal); }
.nav-cta { background: var(--teal); color: #fff; padding: .5rem 1.3rem; border-radius: var(--pill); font-size: .85rem; font-weight: 600; transition: background .2s,transform .15s; }
.nav-cta:hover { background: var(--teal-dark); color: #fff; transform: translateY(-1px); }
.who { display: inline-flex; align-items: center; gap: 8px; font-size: .82rem; color: var(--mid-gray); }
.who .avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--teal); color: #fff; display: grid; place-items: center; font-weight: 700; font-size: .8rem; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 38px; height: 38px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after { display: block; width: 22px; height: 2px; background: var(--charcoal); border-radius: 2px; }
.nav-toggle span { position: relative; } .nav-toggle span::before { content:''; position:absolute; top:-7px; } .nav-toggle span::after { content:''; position:absolute; top:7px; }

/* ── footer ─────────────────────────────────────────────────────────────── */
.site-footer { background: var(--charcoal); color: rgba(255,255,255,.75); padding: 3.5rem 5vw 2rem; margin-top: 60px; }
.site-footer .inner { max-width: var(--maxw); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 3rem; }
.site-footer .brand svg { height: 46px; }
.site-footer .brand .cs-badge { display: none; }
.site-footer .tagline { font-size: .85rem; line-height: 1.7; max-width: 240px; margin: 1rem 0 0; }
.site-footer h4 { color: #fff; font-size: .88rem; margin: 0 0 1rem; font-weight: 600; }
.site-footer a { display: block; color: rgba(255,255,255,.6); font-size: .84rem; padding: .35rem 0; }
.site-footer a:hover { color: var(--amber); }
.site-footer .legal { grid-column: 1/-1; border-top: 1px solid rgba(255,255,255,.08); margin-top: 1rem; padding-top: 1.4rem; font-size: .8rem; color: rgba(255,255,255,.55); }

/* ── hero ────────────────────────────────────────────────────────────────── */
.hero { background: var(--teal-dark); color: #fff; position: relative; overflow: hidden; }
.hero::before { content:''; position: absolute; top: -50%; right: -10%; width: 60%; height: 180%; background: radial-gradient(ellipse at 60% 40%,rgba(232,168,66,.16) 0%,transparent 65%); pointer-events: none; }
/* v2 hero: deeper ink gradient + ambient canvas layer + stat counters */
.hero-v2 { background: linear-gradient(168deg, var(--ink) 0%, var(--teal-dark) 62%, #1B4444 100%); }
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; pointer-events: none; opacity: .85; }
.hero-stats { display: flex; gap: clamp(1.2rem, 4vw, 3rem); flex-wrap: wrap; margin-top: 2.2rem; }
.hero-stats > div { display: flex; flex-direction: column; }
.hero-stats b { font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--amber); line-height: 1.1; }
.hero-stats span { font-size: .8rem; color: rgba(255,255,255,.65); letter-spacing: .02em; }
.hero .inner { max-width: var(--maxw); margin: 0 auto; padding: 5rem 5vw 5.5rem; position: relative; z-index: 1; }
.hero h1 { color: #fff; font-size: clamp(2.4rem,5vw,3.8rem); margin: 0 0 1.1rem; max-width: 18ch; }
.hero h1 em { color: var(--amber); }
.hero p.lede { color: rgba(255,255,255,.82); font-size: clamp(1.05rem,2vw,1.25rem); max-width: 52ch; margin: 0 0 1.8rem; line-height: 1.7; }
.hero .cta-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.hero .pills { display: flex; gap: .7rem; flex-wrap: wrap; margin-top: 2.2rem; }
.hero .pill-tag { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.85); padding: .45rem 1.1rem; border-radius: var(--pill); font-size: .82rem; font-weight: 500; }

/* ── cards / grid ───────────────────────────────────────────────────────── */
.grid { display: grid; gap: 1.3rem; grid-template-columns: repeat(auto-fill, minmax(230px,1fr)); }
.card { display: block; background: var(--warm-white); border: 1.5px solid transparent; border-radius: var(--r-lg); padding: 1.5rem; color: inherit; box-shadow: var(--sh-sm); transition: transform .25s,border-color .25s,box-shadow .25s; }
a.card:hover { transform: translateY(-5px); border-color: var(--teal); box-shadow: 0 12px 36px rgba(45,106,106,.12); }
.card h3 { font-size: 1.1rem; } .card .meta { color: var(--mid-gray); font-size: .85rem; }
.card .ico { font-size: 26px; display: block; margin-bottom: .5rem; }
.card .pill { display: inline-block; margin-top: .9rem; font-size: .74rem; font-weight: 700; color: var(--teal-dark); background: var(--teal-light); padding: .25rem .8rem; border-radius: var(--pill); }
.card.completed .pill { background: var(--ok-bg); color: var(--ok-ink); }
.card.locked { opacity: .65; background: #f3efe8; border-style: dashed; border-color: var(--line-2); cursor: not-allowed; }
.card.coming-soon { opacity: .5; cursor: default; }
.badge-bar { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .6rem; }
.badge-tag { font-size: .7rem; font-weight: 700; padding: .15rem .6rem; border-radius: var(--pill); background: var(--teal-light); color: var(--teal-dark); }

/* ── chips / forms / buttons ─────────────────────────────────────────────── */
.chooser { display: flex; flex-wrap: wrap; gap: .7rem; margin: .7rem 0; }
.chip { border: 1.5px solid var(--line-2); background: var(--warm-white); border-radius: var(--pill); padding: .55rem 1.3rem; font-weight: 600; cursor: pointer; color: var(--charcoal); font-size: .88rem; font-family: var(--font-body); transition: .15s; }
.chip:hover { border-color: var(--teal); color: var(--teal); }
.chip.on { background: var(--teal); color: #fff; border-color: var(--teal); }
.field { display: block; margin: 1rem 0; }
.field > span,.field label { display: block; font-size: .81rem; font-weight: 600; margin-bottom: .45rem; }
.field input,.field select { width: 100%; padding: .75rem 1rem; border: 1.5px solid var(--line); border-radius: 12px; font-size: 1rem; background: var(--cream); color: var(--charcoal); font-family: var(--font-body); }
.field input:focus,.field select:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(45,106,106,.1); background: #fff; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; background: var(--warm-white); color: var(--charcoal); border: 1.5px solid var(--line-2); border-radius: var(--pill); padding: .75rem 1.7rem; font-weight: 600; font-size: .92rem; font-family: var(--font-body); cursor: pointer; text-decoration: none; transition: background .2s,transform .15s,box-shadow .2s,border-color .2s; }
.btn:hover { border-color: var(--teal); color: var(--teal); transform: translateY(-2px); }
.btn.primary { background: var(--teal); color: #fff; border-color: var(--teal); box-shadow: 0 4px 20px rgba(45,106,106,.28); }
.btn.primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: #fff; }
.btn.amber { background: var(--amber); color: #fff; border-color: var(--amber); }
.btn.amber:hover { background: var(--amber-dark); border-color: var(--amber-dark); color: #fff; }
.btn.ghost { background: transparent; }
.btn.lg { padding: .95rem 2rem; font-size: 1rem; }
.btn.block { width: 100%; } .btn:disabled { opacity: .5; cursor: default; transform: none; }
.panel { max-width: 460px; margin: 3rem auto; background: #fff; border-radius: var(--r-xl); padding: 2.6rem 2.3rem; box-shadow: var(--sh); }
.panel h1 { margin-top: 0; font-size: 1.9rem; } .panel .alt { text-align: center; margin-top: 1.3rem; font-size: .88rem; color: var(--mid-gray); }
.role-grid { display: grid; gap: 1rem; grid-template-columns: 1fr 1fr; margin: .5rem 0; }
.role-card { text-align: left; border: 2px solid var(--line-2); border-radius: var(--r); padding: 1.1rem; background: var(--warm-white); cursor: pointer; transition: .15s; font-family: var(--font-body); }
.role-card:hover { border-color: var(--teal); }
.role-card.on { border-color: var(--teal); background: var(--teal-light); }
.role-card .ico { font-size: 24px; } .role-card h3 { margin: .4rem 0 .15rem; font-size: 1.05rem; } .role-card p { margin: 0; font-size: .8rem; color: var(--mid-gray); }
.empty { color: var(--mid-gray); padding: 2.4rem 1.5rem; text-align: center; background: var(--warm-white); border: 1.5px dashed var(--line-2); border-radius: var(--r); }
.skeleton { background: linear-gradient(100deg,#efe9e1 30%,#f7f2ec 50%,#efe9e1 70%); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: var(--r); height: 90px; }
@keyframes sk { to { background-position: -200% 0; } }
.spinner { width: 22px; height: 22px; border: 3px solid var(--teal-light); border-top-color: var(--teal); border-radius: 50%; animation: spin .7s linear infinite; display: inline-block; vertical-align: -4px; }
@keyframes spin { to { transform: rotate(360deg); } }
.banner { background: var(--amber-light); border: 1px solid var(--amber); border-radius: var(--r); padding: .8rem 1.1rem; font-size: .9rem; margin: 1rem 0; }
.banner.info { background: var(--teal-light); border-color: var(--teal); }

/* ── progress bar ────────────────────────────────────────────────────────── */
.prog-bar { height: 8px; background: var(--teal-light); border-radius: 5px; overflow: hidden; }
.prog-bar i { display: block; height: 100%; background: var(--ok); border-radius: 5px; transition: width .4s ease; }

/* ── lesson steps ────────────────────────────────────────────────────────── */
.crumbs { font-size: .85rem; margin: .2rem 0 .9rem; color: var(--mid-gray); }
.crumbs a { color: var(--teal-dark); }
.crumbs .sep { margin: 0 .3rem; opacity: .5; }
.crumbs .cur { color: var(--charcoal); font-weight: 600; }

.lesson-hero { background: linear-gradient(135deg, var(--teal-dark) 0%, #1a4040 100%); color: #fff; padding: 2.8rem 5vw; border-radius: 0 0 24px 24px; margin-bottom: 2rem; }
.lesson-hero h1 { color: #fff; margin: 0 0 .5rem; font-size: clamp(1.8rem,3.5vw,2.8rem); }
.lesson-hero p { color: rgba(255,255,255,.8); margin: 0; max-width: 60ch; }
.lesson-meta { display: flex; gap: .8rem; flex-wrap: wrap; margin-top: 1rem; }
.lesson-meta .tag { background: rgba(255,255,255,.12); color: rgba(255,255,255,.9); border: 1px solid rgba(255,255,255,.2); padding: .3rem .9rem; border-radius: var(--pill); font-size: .8rem; font-weight: 600; }

.objectives { background: var(--ok-bg); border: 1px solid #a8dfc0; border-radius: var(--r); padding: 1rem 1.3rem; margin: 1.5rem 0; }
.objectives h3 { color: var(--ok-ink); margin: 0 0 .6rem; font-size: .95rem; }
.objectives ul { margin: 0; padding-left: 1.2rem; }
.objectives li { color: var(--ok-ink); font-size: .9rem; padding: .2rem 0; }

.concept-block { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem; margin: 1.5rem 0; }
.concept-block h3 { margin: 0 0 .6rem; color: var(--teal-dark); }
.concept-block p,  .concept-block li { line-height: 1.7; }
.concept-diagram { margin: 1.2rem 0; padding: 1rem; background: var(--cream); border: 1px solid var(--line); border-radius: 12px; text-align: center; }
.concept-diagram svg { max-width: 100%; height: auto; max-height: 400px; }
.concept-diagram figcaption { margin-top: .5rem; font-size: .82rem; color: var(--mid-gray); }

.code-example { margin: 1.1rem 0; border-radius: 12px; overflow: hidden; }
.code-example .code-label { background: #2a2a3e; color: rgba(255,255,255,.5); font-size: .72rem; font-family: var(--font-mono); padding: .4rem 1rem; letter-spacing: 1px; display: flex; justify-content: space-between; align-items: center; }
.code-example .code-label span { color: var(--code-green); font-weight: 600; }
.code-example pre { background: var(--code-bg); color: var(--code-fg); padding: 1.1rem 1.2rem; margin: 0; font-family: var(--font-mono); font-size: .88rem; line-height: 1.65; overflow-x: auto; }
.code-example .code-output { background: #0d1117; color: #e6edf3; padding: .8rem 1.2rem; font-family: var(--font-mono); font-size: .85rem; border-top: 1px solid #30363d; }
.code-example .code-output::before { content: '▶ Output'; display: block; color: #6B6B6B; font-size: .7rem; letter-spacing: 1px; margin-bottom: .4rem; }

.watch-box { margin: 1.5rem 0; background: #fff7ec; border: 1px solid #f0d8a8; border-radius: var(--r); padding: 1rem 1.2rem; }
.watch-box h3 { margin: 0 0 .5rem; color: #b06b00; font-size: 1rem; }
.watch-box ul { margin: 0; padding-left: 1.2rem; }
.watch-box li { padding: .25rem 0; color: var(--charcoal); font-size: .9rem; line-height: 1.6; }

.check-box { margin: 1.5rem 0; background: var(--teal-light); border: 1px solid rgba(45,106,106,.3); border-radius: var(--r); padding: 1.1rem 1.3rem; }
.check-box h3 { margin: 0 0 .5rem; color: var(--teal-dark); font-size: 1rem; }
.check-box .check-q { font-family: var(--font-mono); font-size: .9rem; background: rgba(255,255,255,.6); border-radius: 8px; padding: .7rem 1rem; margin: .5rem 0; white-space: pre-wrap; }
.check-box details summary { cursor: pointer; color: var(--teal-dark); font-weight: 600; font-size: .9rem; padding: .3rem 0; }
.check-box .check-a { margin-top: .6rem; padding: .7rem 1rem; background: var(--ok-bg); border-radius: 8px; font-size: .9rem; }

/* ── exercise section ────────────────────────────────────────────────────── */
.exercise-tabs { display: flex; gap: .5rem; flex-wrap: wrap; margin: 2rem 0 .8rem; }
.ex-tab { border: 1.5px solid var(--line-2); background: var(--warm-white); border-radius: var(--r); padding: .6rem 1.1rem; cursor: pointer; font-family: var(--font-body); font-size: .9rem; font-weight: 600; transition: .15s; display: flex; align-items: center; gap: .5rem; }
.ex-tab:hover { border-color: var(--teal); color: var(--teal); }
.ex-tab.on { background: var(--teal); color: #fff; border-color: var(--teal); }
.ex-tab .ex-num { font-size: .72rem; font-weight: 700; padding: .1rem .5rem; border-radius: var(--pill); background: rgba(255,255,255,.25); }
.ex-tab.done .ex-num::after { content: ' ✓'; }
.difficulty-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--amber); }
.difficulty-dot.d2 { background: var(--teal); }
.difficulty-dot.d3 { background: var(--no); }

.exercise-panel { display: none; }
.exercise-panel.on { display: block; }
.exercise-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.5rem; margin-bottom: 1rem; }
.exercise-card h4 { margin: 0 0 .6rem; color: var(--teal-dark); font-size: 1.1rem; }
.exercise-card .ex-desc { color: var(--charcoal); line-height: 1.7; margin-bottom: 1rem; }

/* ── Python editor (CodeMirror + output) ─────────────────────────────────── */
.cs-editor-wrap { border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh); border: 1px solid #30363d; background: var(--code-bg); }
.cs-editor-toolbar { background: #2a2a3e; display: flex; align-items: center; gap: .6rem; padding: .5rem .8rem; border-bottom: 1px solid rgba(255,255,255,.06); }
.cs-editor-lang { font-family: var(--font-mono); font-size: .75rem; color: rgba(255,255,255,.45); padding: .2rem .7rem; border: 1px solid rgba(255,255,255,.1); border-radius: var(--pill); letter-spacing: .5px; }
.cs-run-btn { background: #2d8c5a; color: #fff; border: none; border-radius: var(--pill); padding: .35rem 1rem; font-size: .82rem; font-weight: 700; cursor: pointer; font-family: var(--font-body); letter-spacing: .3px; transition: background .15s; }
.cs-run-btn:hover { background: #1a6b40; }
.cs-run-btn:disabled { opacity: .6; cursor: default; }
.cs-clear-btn { background: none; color: rgba(255,255,255,.4); border: 1px solid rgba(255,255,255,.1); border-radius: var(--pill); padding: .3rem .8rem; font-size: .78rem; cursor: pointer; font-family: var(--font-body); transition: .15s; }
.cs-clear-btn:hover { color: rgba(255,255,255,.75); border-color: rgba(255,255,255,.25); }
/* CodeMirror host */
.cs-cm-host .CodeMirror { height: auto; min-height: 160px; max-height: 440px; font-family: var(--font-mono); font-size: .9rem; line-height: 1.65; border-radius: 0; }
.cs-output-label { background: #1a1a2e; color: rgba(255,255,255,.35); font-size: .7rem; font-family: var(--font-mono); padding: .35rem 1rem; letter-spacing: 1px; text-transform: uppercase; border-top: 1px solid rgba(255,255,255,.05); }
.cs-output { background: #0d1117; color: #e6edf3; font-family: var(--font-mono); font-size: .87rem; line-height: 1.65; padding: .9rem 1.1rem; min-height: 60px; max-height: 300px; overflow-y: auto; white-space: pre-wrap; word-break: break-word; }
.cs-output.error { color: #f97583; }
.cs-inline-input { background: transparent; border: none; border-bottom: 1px solid #2D6A6A; color: #7ee787; font-family: var(--font-mono); font-size: .87rem; line-height: 1.65; padding: 0 2px; margin: 0; outline: none; min-width: 4ch; caret-color: #7ee787; }
.cs-inline-input:focus { border-bottom-color: #58d68d; }

/* ── test results ────────────────────────────────────────────────────────── */
.cs-results { margin-top: 1rem; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1.1rem 1.3rem; }
.cs-results.all-pass { background: var(--ok-bg); border-color: #a8dfc0; }
.cs-results-header { display: flex; align-items: center; gap: 1rem; margin-bottom: .8rem; flex-wrap: wrap; }
.cs-results-score { font-weight: 700; font-size: .95rem; }
.all-pass .cs-results-score { color: var(--ok-ink); }
.cs-progress-bar { flex: 1; min-width: 80px; height: 8px; background: rgba(0,0,0,.08); border-radius: 4px; overflow: hidden; }
.cs-progress-fill { height: 100%; background: var(--ok); border-radius: 4px; transition: width .4s; }
.some-fail .cs-progress-fill { background: var(--amber); }
.cs-test-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .35rem; }
.cs-test-item { display: flex; align-items: flex-start; gap: .6rem; font-size: .9rem; padding: .25rem 0; border-bottom: 1px solid rgba(0,0,0,.05); }
.cs-test-item:last-child { border-bottom: 0; }
.cs-test-icon { font-weight: 700; width: 1.2rem; flex-shrink: 0; }
.cs-test-item.pass .cs-test-icon { color: var(--ok); }
.cs-test-item.fail .cs-test-icon { color: var(--no); }
.cs-test-desc { flex: 1; }
.cs-test-hint { font-size: .82rem; color: var(--mid-gray); display: block; margin-top: .15rem; }
.cs-hints { margin-top: .8rem; }
.cs-hints summary { cursor: pointer; font-weight: 600; font-size: .88rem; color: var(--amber-dark); padding: .3rem 0; }
.cs-hints ol { margin: .5rem 0 0 1.2rem; }
.cs-hints li { font-size: .88rem; padding: .2rem 0; }
.cs-solution { margin-top: .6rem; }
.cs-solution summary { cursor: pointer; font-weight: 600; font-size: .88rem; color: var(--mid-gray); padding: .3rem 0; }
.cs-solution-code { background: var(--code-bg); color: var(--code-fg); padding: 1rem; border-radius: 8px; font-family: var(--font-mono); font-size: .85rem; margin-top: .5rem; overflow-x: auto; white-space: pre; }

/* ── lesson nav ──────────────────────────────────────────────────────────── */
.lesson-nav { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2.5rem; flex-wrap: wrap; }
.lesson-nav .btn { gap: .4rem; }

/* ── strand cards on hub ─────────────────────────────────────────────────── */
.strand-card { border-left: 5px solid var(--teal); padding-left: 1.3rem; }
.strand-card.amber-accent { border-left-color: var(--amber); }
.strand-card.locked { border-left-color: var(--line-2); }

/* ── stat pills ──────────────────────────────────────────────────────────── */
.stat-row { display: flex; gap: 1rem; flex-wrap: wrap; margin: 1rem 0; }
.stat-pill { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: .8rem 1.2rem; display: flex; flex-direction: column; }
.stat-pill b { font-size: 1.8rem; color: var(--teal); font-family: var(--font-display); line-height: 1; }
.stat-pill span { font-size: .78rem; color: var(--mid-gray); margin-top: .2rem; }

/* ── toast / confetti ────────────────────────────────────────────────────── */
.cs-toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%,24px); z-index: 9999; background: #1A3045; color: #fff; padding: .8rem 1.4rem; border-radius: 14px; box-shadow: 0 14px 36px rgba(0,0,0,.28); opacity: 0; pointer-events: none; transition: opacity .35s,transform .35s; font-size: .95rem; font-weight: 600; white-space: nowrap; }
.cs-toast.show { opacity: 1; transform: translate(-50%,0); }
.cs-toast.error { background: var(--no); }
.confetti-piece { position: fixed; top: -10px; z-index: 9998; border-radius: 3px; animation: confetti-fall 1.6s ease-in forwards; pointer-events: none; }
@keyframes confetti-fall { to { transform: translateY(110vh) rotate(720deg); opacity: 0; } }

/* ── responsive ──────────────────────────────────────────────────────────── */
/* Collapse the horizontal nav to the hamburger before it gets crammed. With
 * Dashboard/Teacher/Admin + the notification bell + subject switcher there are
 * too many items to fit on mid-size screens, so switch over at 1024px. */
@media (max-width: 1024px) {
  .site-nav,.header-right .who-text,.header-right .signlink,.header-right .nav-cta,.switch-wrap { display: none; }
  .header-right { margin-left: auto; }
  .nav-toggle { display: flex; }
}
@media (max-width: 820px) {
  .site-footer .inner { grid-template-columns: 1fr 1fr; gap: 2rem; }
  .role-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .wrap { padding: 22px 1.2rem 64px; }
  .hero .inner { padding: 3.5rem 1.4rem 4rem; }
  .site-footer .inner { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════════════════════════
   PRIMM lessons — stage badges, diagrams, pseudocode, interactive widgets
   ═══════════════════════════════════════════════════════════════════════════ */

/* PRIMM stage spine + badges */
.primm-stage { display: inline-flex; align-items: center; gap: .45rem; font-size: .72rem; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; padding: .3rem .8rem; border-radius: var(--pill); margin: 2.2rem 0 .4rem; }
.primm-stage::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.primm-predict     { color: #7a4fb5; background: #f1e9fb; }
.primm-run         { color: var(--teal); background: var(--teal-light); }
.primm-investigate { color: var(--amber-dark); background: var(--amber-light); }
.primm-modify      { color: #b5651d; background: #fbeede; }
.primm-make        { color: var(--ok-ink); background: var(--ok-bg); }

.lesson-block { margin: 1.1rem 0; }
.lesson-block > h3 { margin: .2rem 0 .6rem; }

/* lesson panes (slides) */
.pane { animation: pane-in .25s ease; }
@keyframes pane-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.pane-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid var(--line); flex-wrap: wrap; }
.pane-dots { display: flex; gap: .5rem; flex: 1; justify-content: center; flex-wrap: wrap; }
.pane-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--line-2); cursor: pointer; transition: transform .2s, background .2s; }
.pane-dot:hover { background: var(--mid-gray); }
.pane-dot.on { background: var(--teal); transform: scale(1.35); }
.pane-dot.done { background: var(--amber); }
.lesson-end { display: flex; gap: .8rem; justify-content: center; align-items: center; flex-wrap: wrap; margin-top: 1.4rem; padding: 1.5rem; background: var(--teal-light); border: 1px solid rgba(45,106,106,.2); border-radius: var(--r-lg); }

/* Diagrams (cs-flow output): scale to container, never overflow */
.cs-figure { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 1.4rem; margin: 1rem 0; text-align: center; }
.cs-figure svg { max-width: 100%; height: auto; max-height: 420px; }
.cs-figure figcaption { margin-top: .8rem; font-size: .85rem; color: var(--mid-gray); }
.cs-figure.dual { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; align-items: center; text-align: left; }
.cs-figure.dual .dual-words { font-size: .95rem; }
.cs-figure.dual .dual-words li { margin: .35rem 0; }
@media (max-width: 680px) { .cs-figure.dual { grid-template-columns: 1fr; } }

/* Pseudocode ↔ Python comparison */
.pseudo-compare { margin: 1.2rem 0; border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.pseudo-compare .pc-head { background: var(--teal-dark); color: #fff; padding: .55rem 1rem; font-size: .8rem; font-weight: 700; letter-spacing: .5px; }
.pseudo-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.pseudo-grid > div { padding: .9rem 1rem; border-right: 1px solid var(--line); }
.pseudo-grid > div:last-child { border-right: 0; }
.pseudo-grid .pc-label { font-size: .7rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: var(--mid-gray); margin-bottom: .4rem; }
.pseudo-grid pre { margin: 0; font-family: var(--font-mono); font-size: .82rem; line-height: 1.55; white-space: pre-wrap; color: var(--charcoal); }
.pseudo-grid > div.python { background: #0d1117; }
.pseudo-grid > div.python .pc-label { color: rgba(255,255,255,.5); }
.pseudo-grid > div.python pre { color: #e6edf3; }
.pseudo-note { padding: .7rem 1rem; font-size: .85rem; color: var(--mid-gray); background: var(--cream); border-top: 1px solid var(--line); }
@media (max-width: 680px) { .pseudo-grid { grid-template-columns: 1fr; } .pseudo-grid > div { border-right: 0; border-bottom: 1px solid var(--line); } }

/* ── Interactive widgets (cs-interactive.js) ─────────────────────────────── */
.iw { background: var(--warm-white); border: 1px solid var(--line); border-left: 4px solid var(--teal); border-radius: var(--r); padding: 1.1rem 1.3rem; margin: 1.1rem 0; }
.iw-predict { border-left-color: #7a4fb5; }
.iw-parsons { border-left-color: var(--amber); }
.iw-trace   { border-left-color: var(--teal); }
.iw-mcq     { border-left-color: var(--ok); }
.iw-head { font-size: .95rem; margin-bottom: .7rem; }
.iw-tag { display: inline-block; font-size: .72rem; font-weight: 800; letter-spacing: .5px; padding: .2rem .6rem; border-radius: var(--pill); margin-right: .5rem; }
.iw-tag.predict { background: #f1e9fb; color: #7a4fb5; }
.iw-tag.parsons { background: var(--amber-light); color: var(--amber-dark); }
.iw-tag.trace   { background: var(--teal-light); color: var(--teal-dark); }
.iw-tag.mcq     { background: var(--ok-bg); color: var(--ok-ink); }
.iw-code { background: #0d1117; color: #e6edf3; font-family: var(--font-mono); font-size: .85rem; line-height: 1.55; padding: .8rem 1rem; border-radius: var(--r-sm); overflow-x: auto; white-space: pre; margin: .5rem 0; }
.iw-label { display: block; font-size: .82rem; font-weight: 600; margin: .6rem 0 .25rem; }
.iw-input { width: 100%; font-family: var(--font-mono); font-size: .85rem; padding: .55rem .7rem; border: 1px solid var(--line-2); border-radius: var(--r-sm); resize: vertical; }
.iw-actions { display: flex; gap: .5rem; margin-top: .7rem; flex-wrap: wrap; }
.iw-feedback { margin-top: .8rem; padding: .7rem .9rem; border-radius: var(--r-sm); font-size: .9rem; }
.iw-feedback.ok   { background: var(--ok-bg); color: var(--ok-ink); }
.iw-feedback.bad  { background: #fdecea; color: #b3271b; }
.iw-feedback.info { background: var(--amber-light); color: var(--amber-dark); }
.iw-feedback pre { font-family: var(--font-mono); font-size: .82rem; background: rgba(0,0,0,.06); padding: .4rem .6rem; border-radius: 6px; margin: .3rem 0; white-space: pre-wrap; }
.iw-fb-row { margin-bottom: .4rem; }

/* Parsons */
.iw-parsons-list { list-style: none; margin: .6rem 0; padding: 0; counter-reset: pl; }
.iw-pline { display: flex; align-items: center; gap: .6rem; background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: .5rem .7rem; margin: .4rem 0; cursor: grab; }
.iw-pline.dragging { opacity: .5; }
.iw-pline.locked { background: var(--ok-bg); border-color: #a8dfc0; cursor: default; }
.iw-pline code { flex: 1; font-family: var(--font-mono); font-size: .85rem; white-space: pre; }
.iw-grip { color: var(--mid-gray); cursor: grab; }
.iw-pmove button { border: none; background: var(--cream); border-radius: 5px; cursor: pointer; font-size: .7rem; padding: .1rem .35rem; color: var(--mid-gray); }
.iw-pmove button:hover { background: var(--teal-light); color: var(--teal); }

/* Trace table */
.iw-trace-wrap { overflow-x: auto; }
.iw-trace-table { border-collapse: collapse; width: 100%; font-size: .85rem; margin: .5rem 0; }
.iw-trace-table th, .iw-trace-table td { border: 1px solid var(--line-2); padding: .4rem .6rem; text-align: center; }
.iw-trace-table th { background: var(--teal-light); color: var(--teal-dark); font-family: var(--font-mono); }
.iw-tcell { width: 5ch; text-align: center; border: 1px solid var(--line-2); border-radius: 5px; padding: .25rem; font-family: var(--font-mono); font-size: .85rem; }
.iw-tcell.ok  { background: var(--ok-bg); border-color: var(--ok); }
.iw-tcell.bad { background: #fdecea; border-color: var(--no); }

/* MCQ */
.iw-q { font-size: .95rem; margin-bottom: .7rem; }
.iw-options { display: flex; flex-direction: column; gap: .45rem; }
.iw-opt { display: flex; align-items: center; gap: .6rem; text-align: left; background: #fff; border: 1px solid var(--line-2); border-radius: var(--r-sm); padding: .6rem .8rem; font: inherit; font-size: .9rem; cursor: pointer; transition: border-color .15s, background .15s; }
.iw-opt:hover { border-color: var(--teal); }
.iw-opt-key { display: grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--cream); font-weight: 700; font-size: .78rem; flex-shrink: 0; }
.iw-opt.correct { background: var(--ok-bg); border-color: var(--ok); }
.iw-opt.correct .iw-opt-key { background: var(--ok); color: #fff; }
.iw-opt.wrong { background: #fdecea; border-color: var(--no); }
.iw-opt.wrong .iw-opt-key { background: var(--no); color: #fff; }

/* Diagram walkthrough (mountSteps) + flowchart node highlighting */
.iw-steps { border-left-color: var(--amber-dark); }
.iw-tag.steps { background: #fbeede; color: #b5651d; }
.iw-steps-fig { text-align: center; background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: 1rem; margin: .6rem 0; }
.iw-steps-fig svg { max-width: 100%; height: auto; max-height: 380px; }
.iw-steps-cap { min-height: 2.6em; font-size: .92rem; padding: .6rem .2rem; }
.iw-step-count { align-self: center; }
.flow-node { transition: opacity .25s ease, filter .25s ease; }
.flow-node.flow-mute { opacity: .22; }
.flow-node.flow-active { filter: drop-shadow(0 0 7px rgba(232,168,66,.9)); animation: flow-pulse 1.3s ease-in-out infinite; }
@keyframes flow-pulse { 0%,100% { filter: drop-shadow(0 0 5px rgba(232,168,66,.6)); } 50% { filter: drop-shadow(0 0 11px rgba(232,168,66,1)); } }

/* live variable chips */
.iw-vars { display: flex; gap: .5rem; flex-wrap: wrap; margin: .6rem 0 .2rem; }
.iw-var { background: var(--teal-light); border: 1px solid var(--teal); border-radius: 9px; padding: .25rem .7rem; font-family: var(--font-mono); font-size: .85rem; color: var(--teal-dark); }
.iw-var span { font-weight: 700; }
.iw-var.bump { animation: var-bump .4s ease; }
@keyframes var-bump { 0% { transform: scale(1); } 35% { transform: scale(1.18); background: var(--amber-light); border-color: var(--amber); } 100% { transform: scale(1); } }

/* array visualiser (sort / search) */
.iw-arrayviz { border-left-color: var(--amber); }
.iw-tag.viz { background: var(--amber-light); color: var(--amber-dark); }
.av-target { font-size: .9rem; margin: .3rem 0 .6rem; }
.av-row { display: flex; gap: .45rem; flex-wrap: wrap; justify-content: center; padding: 1.2rem .6rem; background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); margin: .4rem 0; }
.av-chip { width: 48px; min-height: 56px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: .15rem; border: 2px solid var(--line-2); border-radius: 9px; background: #fff; transition: transform .25s ease, background .25s ease, border-color .25s ease, opacity .25s ease; }
.av-chip .av-val { font-family: var(--font-mono); font-weight: 700; font-size: 1.05rem; color: var(--charcoal); }
.av-chip .av-idx { font-family: var(--font-mono); font-size: .6rem; color: var(--mid-gray); }
.av-chip.compare { border-color: var(--amber); background: var(--amber-light); transform: translateY(-5px); box-shadow: 0 4px 10px rgba(232,168,66,.35); }
.av-chip.sorted { border-color: var(--ok); background: var(--ok-bg); }
.av-chip.sorted .av-val { color: var(--ok-ink); }
.av-chip.discard { opacity: .3; }
.av-chip.found { border-color: var(--ok); background: var(--ok); animation: flow-pulse 1.3s ease-in-out infinite; }
.av-chip.found .av-val, .av-chip.found .av-idx { color: #fff; }
.av-chip.mid { outline: 2px dashed var(--teal); outline-offset: 2px; }

/* ── Arcade games ─────────────────────────────────────────────────────────── */
.game-shell { max-width: 640px; margin: 1rem auto; }
.game-hero { text-align: center; }
.game-hero .game-icon { font-size: 3rem; display: block; }
.game-hero h1 { margin: .3rem 0 .2rem; }
.game-instructions { background: var(--warm-white); border: 1px solid var(--line); border-left: 4px solid var(--game, var(--teal)); border-radius: var(--r); padding: 1rem 1.2rem; margin: 1rem 0; font-size: .95rem; }
.game-best { text-align: center; font-size: 1.05rem; }
.game-board { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: .6rem 1rem; margin-top: .5rem; }
.game-final { font-size: 1.3rem; }
.game-final b { color: var(--game, var(--teal)); font-size: 1.6rem; }
.game-newbest { color: var(--ok-ink); font-weight: 700; font-size: 1.1rem; }

.game-play { max-width: 680px; margin: 1rem auto; }

/* ascent stage — animated parallax night sky that scrolls as you score */
.game-stage { position: relative; overflow: hidden; border-radius: var(--r-xl); min-height: 520px; padding: 1.2rem; box-shadow: var(--sh); margin: 1rem auto; max-width: 700px; }
.sky { position: absolute; inset: 0; z-index: 0; background: linear-gradient(180deg, #0a1830 0%, #143052 45%, #1e4d4d 100%); }
.stars { position: absolute; left: 0; right: 0; top: -150%; height: 400%; z-index: 1; pointer-events: none; will-change: transform; transition: transform .6s cubic-bezier(.2,.7,.2,1); background-repeat: repeat;
  background-image:
    radial-gradient(1.6px 1.6px at 20px 30px, #fff, transparent),
    radial-gradient(1px 1px at 90px 80px, rgba(255,255,255,.85), transparent),
    radial-gradient(1.4px 1.4px at 140px 50px, #fff, transparent),
    radial-gradient(1px 1px at 170px 130px, rgba(255,255,255,.7), transparent),
    radial-gradient(1.2px 1.2px at 50px 170px, #fff, transparent);
  background-size: 220px 220px; }
.stars.s2 { background-size: 170px 170px; opacity: .7; }
.stars.s3 { background-size: 120px 120px; opacity: .45; }
.stage-content { position: relative; z-index: 3; padding-right: 26px; }
.game-stage .hud-item { background: rgba(255,255,255,.12); border-color: rgba(255,255,255,.22); }
.game-stage .hud-item span { color: rgba(255,255,255,.72); }
.game-stage .hud-item b { color: #fff; }
.game-stage .hud-time.low { color: #ff8a80; }
.alt-rail { position: absolute; right: 9px; top: 70px; bottom: 22px; width: 5px; z-index: 2; background: rgba(255,255,255,.16); border-radius: 4px; }
.rocket { position: absolute; left: 50%; transform: translateX(-50%); bottom: 0; font-size: 1.6rem; transition: bottom .6s cubic-bezier(.2,.7,.2,1); filter: drop-shadow(0 0 6px rgba(232,168,66,.6)); }
.rocket.hop { animation: rocket-hop .5s ease; }
@keyframes rocket-hop { 30% { transform: translateX(-50%) scale(1.3) rotate(-8deg); } }
.alt-readout { position: absolute; right: 22px; top: 40px; z-index: 3; color: #fff; font-family: var(--font-mono); font-size: .82rem; background: rgba(0,0,0,.28); padding: .2rem .5rem; border-radius: 8px; }
.alt-readout b { color: var(--amber); }
.float-score { position: absolute; left: 50%; top: 46%; transform: translateX(-50%); z-index: 5; color: var(--amber); font-family: var(--font-display); font-weight: 800; font-size: 1.9rem; text-shadow: 0 2px 8px rgba(0,0,0,.45); pointer-events: none; animation: float-up 1.1s ease-out forwards; }
@keyframes float-up { 0% { opacity: 0; transform: translate(-50%,10px) scale(.6); } 20% { opacity: 1; transform: translate(-50%,0) scale(1.1); } 100% { opacity: 0; transform: translate(-50%,-80px) scale(1); } }
.spark { position: absolute; left: 50%; top: 48%; width: 8px; height: 8px; border-radius: 50%; z-index: 5; pointer-events: none; animation: spark-fly .65s ease-out forwards; }
@keyframes spark-fly { to { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; } }
@media (max-width: 520px) { .alt-rail, .rocket, .alt-readout { display: none; } .stage-content { padding-right: 0; } .game-stage { min-height: 460px; padding: .8rem; } }

.game-hud { display: flex; justify-content: center; gap: 1rem; margin-bottom: 1.2rem; }
.hud-item { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: .5rem 1.2rem; text-align: center; min-width: 90px; }
button.hud-mute { min-width: 54px; font-size: 1.3rem; cursor: pointer; line-height: 1; }
.hud-item b.pop { animation: hud-pop .32s; }
@keyframes hud-pop { 40% { transform: scale(1.5); } }
.hud-item b { display: inline-block; }
.game-stage.shake { animation: stage-shake .35s; }
@keyframes stage-shake { 20% { transform: translateX(-9px); } 45% { transform: translateX(7px); } 70% { transform: translateX(-4px); } }
.gm-milestone { position: absolute; top: 38%; left: 50%; z-index: 8; pointer-events: none; font-family: var(--font-display); font-size: 2.3rem; font-weight: 800; color: #fff; text-shadow: 0 2px 14px rgba(0,0,0,.5); white-space: nowrap; animation: gm-mile 1.1s forwards; }
@keyframes gm-mile {
  0% { opacity: 0; transform: translate(-50%,-50%) scale(.55); }
  18% { opacity: 1; transform: translate(-50%,-50%) scale(1.18); }
  32% { transform: translate(-50%,-50%) scale(1); }
  78% { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%,-70%) scale(1); }
}
.hud-item span { display: block; font-size: .72rem; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 1px; }
.hud-item b { font-size: 1.6rem; font-family: var(--font-display); color: var(--game, var(--teal)); line-height: 1.1; }
.hud-time.low { color: var(--no); animation: hud-pulse .6s infinite; }
@keyframes hud-pulse { 50% { transform: scale(1.15); } }
.game-round { background: var(--warm-white); border: 2px solid var(--line); border-radius: var(--r-lg); padding: 1.4rem; text-align: center; transition: border-color .2s, background .2s; }
.game-round.flash-ok { border-color: var(--ok); background: var(--ok-bg); }
.game-round.flash-bad { border-color: var(--no); background: #fdecea; }
.game-actions { display: flex; gap: .6rem; justify-content: center; margin-top: 1rem; flex-wrap: wrap; }

/* binary blaster */
.bb-target { font-size: 1.5rem; margin-bottom: 1rem; }
.bb-target b { font-size: 2.2rem; color: var(--teal); font-family: var(--font-display); }
.bb-current { margin-top: .8rem; font-family: var(--font-mono); color: var(--mid-gray); }
.bb-binshow { font-family: var(--font-mono); font-size: 2rem; letter-spacing: 5px; font-weight: 700; color: var(--teal); margin: .6rem 0; }
.bb-input { width: 110px; font-size: 1.1rem; text-align: center; padding: .4rem; border: 1px solid var(--line-2); border-radius: var(--r-sm); font-family: var(--font-mono); }

/* cipher cracker */
.cc-cipher { font-family: var(--font-mono); font-size: 2rem; font-weight: 700; letter-spacing: 6px; color: #7a4fb5; }
.cc-arrow { color: var(--mid-gray); font-size: .8rem; margin: .3rem 0; }
.cc-preview { font-family: var(--font-mono); font-size: 1.6rem; font-weight: 700; letter-spacing: 4px; min-height: 1.6em; }
.cc-label { display: block; margin: .8rem 0; font-weight: 600; }
.cc-label input[type=range] { width: 220px; accent-color: #7a4fb5; vertical-align: middle; }

/* quiz blitz */
.qb-q { font-size: 1.2rem; margin-bottom: 1rem; }
.qb-options { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
@media (max-width: 480px) { .qb-options { grid-template-columns: 1fr; } }
.qb-opt { display: flex; align-items: center; gap: .6rem; text-align: left; background: #fff; border: 2px solid var(--line-2); border-radius: var(--r); padding: .7rem .9rem; font: inherit; font-size: .95rem; cursor: pointer; transition: border-color .15s, background .15s; }
.qb-opt:hover { border-color: var(--amber); }
.qb-key { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--cream); font-weight: 700; flex-shrink: 0; }
.qb-opt.correct { background: var(--ok-bg); border-color: var(--ok); }
.qb-opt.wrong { background: #fdecea; border-color: var(--no); }

/* bug hunt */
.bh-desc { font-size: 1rem; margin-bottom: .8rem; }
.bh-editor { text-align: left; }
.bh-result { margin-top: .6rem; font-weight: 600; }

/* Code Quest platformer */
.pf-wrap { max-width: 760px; margin: 1rem auto; }
.pf-scene { position: relative; height: 340px; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh); background: linear-gradient(180deg, var(--tint, #5fb8e8) 0%, #cfeee0 100%); transition: background .6s; }
.pf-scene.shake { animation: pf-shake .32s; }
@keyframes pf-shake { 20% { transform: translateX(-7px); } 60% { transform: translateX(7px); } }
.pf-bg { position: absolute; inset: 0; z-index: 0; pointer-events: none; will-change: transform; transition: transform .5s ease;
  background: url(../games/assets/background_color_hills.png) repeat-x bottom / auto 100%; }
.pf-ground { position: absolute; left: 0; right: 0; bottom: 0; height: 36px; z-index: 1; background: #6b4a2b; box-shadow: inset 0 6px 0 #4caf50; }
.pf-world { position: absolute; inset: 0; z-index: 2; will-change: transform; transition: transform .5s ease; }
.pf-plat { position: absolute; height: 36px; background: url(../games/assets/terrain_grass_block_top.png) repeat-x; background-size: auto 100%; }
.pf-hero { position: absolute; z-index: 4; transform: translateX(-50%); transition: left .5s ease, bottom .5s cubic-bezier(.3,.8,.4,1); }
.pf-hero.jump { animation: pf-jump .55s ease; }
@keyframes pf-jump { 0% { transform: translateX(-50%) translateY(0); } 45% { transform: translateX(-50%) translateY(-60px); } 100% { transform: translateX(-50%) translateY(0); } }
.pf-hero.fall { animation: pf-fall .7s ease-in forwards; }
@keyframes pf-fall { to { transform: translateX(-50%) rotate(380deg); } }
/* Kenney CC0 sprites (New Platformer Pack — walk/jump/hit frames) */
.pf-sprite { background-repeat: no-repeat; background-position: center bottom; background-size: contain; filter: drop-shadow(0 3px 2px rgba(0,0,0,.28)); }
.hero-sprite { width: 46px; height: 46px; background-image: url(../games/assets/character_green_walk_a.png); animation: hero-walk .26s steps(1) infinite; }
@keyframes hero-walk { 50% { background-image: url(../games/assets/character_green_walk_b.png); } }
.pf-hero.jump .hero-sprite { animation: none; background-image: url(../games/assets/character_green_jump.png); }
.pf-hero.fall .hero-sprite { animation: none; background-image: url(../games/assets/character_green_hit.png); }
.pf-obstacle { position: absolute; z-index: 5; transform: translateX(-50%); }
.enemy-sprite { width: 46px; height: 46px; background-image: url(../games/assets/bee_a.png); animation: enemy-flap .16s steps(1) infinite; }
@keyframes enemy-flap { 50% { background-image: url(../games/assets/bee_b.png); } }
.pf-obstacle.flip { transform: translateX(-50%) scaleX(-1); }
.pf-obstacle.miss { animation: pf-miss .5s forwards; }
@keyframes pf-miss { to { transform: translateX(-50%) translateY(46px) scale(.6); opacity: 0; } }
.pf-obstacle.hit { animation: pf-hitflash .4s; }
@keyframes pf-hitflash { 0%,100% { filter: none; } 50% { filter: drop-shadow(0 0 10px red) brightness(1.4); } }
.pf-hud { position: absolute; top: 10px; left: 12px; right: 12px; z-index: 6; display: flex; align-items: center; gap: .7rem; flex-wrap: wrap; }
.pf-lives { font-size: 1rem; letter-spacing: 1px; }
.pf-stat { background: rgba(0,0,0,.32); color: #fff; padding: .2rem .6rem; border-radius: 10px; font-weight: 700; font-size: .85rem; }
.pf-danger { flex: 1; min-width: 80px; height: 12px; background: rgba(0,0,0,.22); border-radius: 8px; overflow: hidden; }
.pf-danger-fill { height: 100%; width: 100%; background: var(--no); }
.pf-banner { position: absolute; inset: 0; z-index: 7; display: grid; place-items: center; background: rgba(0,0,0,.45); color: #fff; font-family: var(--font-display); font-size: 1.8rem; font-weight: 800; text-align: center; padding: 1rem; animation: pf-pop .3s; }
.pf-banner[hidden] { display: none; }   /* class display would otherwise override the hidden attribute */
@keyframes pf-pop { from { opacity: 0; transform: scale(.9); } }
.pf-question { margin-top: 1rem; }

/* Code Quest 3D (Three.js) */
.cq3-wrap { max-width: 760px; margin: 1rem auto; }
.cq3-scene { position: relative; height: 380px; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh); background: linear-gradient(180deg, #8fd0f0, #d8f3e3); }
.cq3-scene canvas { display: block; width: 100%; height: 100%; }
.cq3-scene.shake { animation: pf-shake .32s; }
.cq3-loading { position: absolute; inset: 0; display: grid; place-items: center; color: var(--mid-gray); font-weight: 600; z-index: 8; }

/* Generic 3D game scene (Maze Escape, Binary Tower, Cyber Dodger, Packet Router, CPU Command) */
.g3d-wrap { max-width: 760px; margin: 1rem auto; }
.g3d-scene { position: relative; height: 380px; border-radius: var(--r-xl); overflow: hidden; box-shadow: var(--sh); background: linear-gradient(180deg, #1b2440, #2c3a5e); }
.g3d-scene canvas { display: block; width: 100%; height: 100%; }
.g3d-scene.shake { animation: pf-shake .32s; }
.g3d-loading { position: absolute; inset: 0; display: grid; place-items: center; color: #e8eefc; font-weight: 600; z-index: 8; }

/* ── Area Command (RTS, cs-game-area.js) ─────────────────────────────────── */
.ac-wrap { max-width: 920px; }
.ac-scene { height: clamp(420px, 62vh, 580px); background: linear-gradient(180deg, #9fd3ef, #cdead2); touch-action: manipulation; }
.ac-scene canvas { touch-action: none; }   /* two-finger orbit/pinch handled in-game, not by the browser */
.ac-hud { position: absolute; top: .6rem; left: .6rem; right: .6rem; display: flex; gap: .45rem; flex-wrap: wrap; z-index: 6; pointer-events: none; }
.ac-stat { background: rgba(28, 36, 64, .82); color: #fff; font-weight: 700; font-size: .82rem; padding: .3rem .7rem; border-radius: var(--pill); box-shadow: 0 2px 8px rgba(0,0,0,.25); }
.ac-stat b { color: #ffd97a; font-variant-numeric: tabular-nums; }
.ac-phase { position: absolute; top: 2.7rem; left: 50%; transform: translateX(-50%); z-index: 6; color: #1c2440; font-weight: 800; font-size: .85rem; background: rgba(255,255,255,.78); padding: .2rem .8rem; border-radius: var(--pill); pointer-events: none; white-space: nowrap; }
.ac-phase:empty { display: none; }
.ac-actions { position: absolute; left: 50%; transform: translateX(-50%); bottom: .7rem; display: flex; gap: .4rem; z-index: 6; flex-wrap: wrap; justify-content: center; max-width: 96%; }
.ac-btn { font: inherit; font-weight: 800; font-size: .92rem; padding: .5rem .75rem; border-radius: var(--pill); border: 2px solid rgba(255,255,255,.75); background: rgba(28,36,64,.85); color: #fff; cursor: pointer; box-shadow: 0 3px 10px rgba(0,0,0,.3); }
.ac-btn.on { background: var(--amber, #E8A842); color: #3a2a00; }
.ac-btn .ac-cost { opacity: .8; font-weight: 600; }
.ac-modal { position: absolute; inset: 0; z-index: 9; display: grid; place-items: center; background: rgba(20, 26, 48, .5); backdrop-filter: blur(2px); padding: .8rem; overflow: auto; }
.ac-modal[hidden] { display: none; }   /* same class-vs-[hidden] trap as .pf-banner */
.ac-card { background: #fff; width: 100%; max-width: 460px; max-height: 100%; overflow: auto; border-radius: var(--r-xl); padding: 1rem 1.1rem .9rem; box-shadow: 0 18px 50px rgba(0,0,0,.35); animation: pf-pop .25s; }
/* fullscreen mode (⛶ button; Esc exits) */
.ac-wrap:fullscreen { max-width: none; margin: 0; background: #16241c; display: grid; place-items: center; }
.ac-wrap:fullscreen .ac-scene { height: 100vh; width: 100vw; border-radius: 0; }
.ac-tag { display: inline-block; background: #fdf3e3; color: #a3661f; font-size: .68rem; font-weight: 800; letter-spacing: .08em; padding: .2rem .7rem; border-radius: var(--pill); margin-bottom: .5rem; }
.ac-card .qb-q { font-size: 1rem; }
.ac-exp { margin-top: .6rem; font-size: .85rem; background: #f4f7f5; border-radius: var(--r-md, 10px); padding: .55rem .7rem; }
.ac-float { position: absolute; z-index: 7; transform: translate(-50%, -50%); font-weight: 800; font-size: .9rem; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.6); pointer-events: none; animation: ac-rise 1.4s ease-out forwards; }
.ac-float.good { color: #bbf7d0; }
.ac-float.bad { color: #fecaca; }
.ac-float.soft { opacity: .85; font-size: .78rem; }
@keyframes ac-rise { to { transform: translate(-50%, -150%); opacity: 0; } }
.ac-cam { position: absolute; right: .6rem; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: .35rem; z-index: 6; }
.ac-cam button { width: 2.3rem; height: 2.3rem; border-radius: 50%; border: 2px solid rgba(255,255,255,.7); background: rgba(28,36,64,.82); color: #fff; font-size: 1.05rem; font-weight: 800; cursor: pointer; box-shadow: 0 2px 8px rgba(0,0,0,.3); line-height: 1; }
.ac-cam button:active { transform: scale(.92); }
.ac-tut { position: absolute; z-index: 8; transform: translate(-50%, -100%); background: var(--amber, #E8A842); color: #3a2a00; font-weight: 800; font-size: .9rem; padding: .45rem .9rem; border-radius: var(--pill); box-shadow: 0 4px 14px rgba(0,0,0,.35); pointer-events: none; animation: ac-bounce 1s ease-in-out infinite; white-space: nowrap; }
.ac-tut::after { content: ''; position: absolute; left: 50%; bottom: -7px; transform: translateX(-50%); border: 8px solid transparent; border-top-color: var(--amber, #E8A842); border-bottom: 0; }
@keyframes ac-bounce { 0%, 100% { margin-top: 0; } 50% { margin-top: -8px; } }

/* module tag on arcade game tiles */
.game-tile .tag { display: inline-block; padding: .2rem .7rem; border-radius: var(--pill); font-size: .72rem; font-weight: 700; letter-spacing: .02em; margin: .15rem 0 .25rem; }

/* ── animated infographic kit (cs-charts.js) ─────────────────────────────── */
.cs-chart { display: block; max-width: 100%; overflow: visible; }
.cs-ring, .cs-donut { margin: 0 auto; }
.band-pill { display: inline-block; padding: .18rem .7rem; border-radius: var(--pill); font-size: .76rem; font-weight: 700; color: #fff; background: var(--band, #777); }
.cs-stat-tile { background: var(--card-bg, #fff); border: 1px solid var(--line, #e9e3d6); border-top: 4px solid var(--accent, #0ea5a4); border-radius: var(--r-lg, 14px); padding: 1rem 1.1rem; text-align: center; box-shadow: var(--sh-sm, 0 2px 8px rgba(0,0,0,.05)); }
.cs-stat-ico { font-size: 1.5rem; line-height: 1; }
.cs-stat-num { font-size: 1.9rem; font-weight: 800; color: #1f2a37; margin: .25rem 0 .1rem; font-variant-numeric: tabular-nums; }
.cs-stat-label { font-size: .82rem; color: #7a8794; font-weight: 600; }

/* dashboard scaffolding */
.dash-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin: 1rem 0; }
.dash-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.25rem; margin: 1.25rem 0; }
.dash-card { background: var(--card-bg, #fff); border: 1px solid var(--line, #e9e3d6); border-radius: var(--r-xl, 18px); padding: 1.25rem 1.4rem; box-shadow: var(--sh-sm, 0 2px 8px rgba(0,0,0,.05)); }
.dash-card > h3 { margin: 0 0 .25rem; font-size: 1.05rem; }
.dash-card .muted { color: #8b97a3; font-size: .85rem; margin: 0 0 .75rem; }
.dash-legend { display: flex; flex-wrap: wrap; gap: .5rem 1rem; font-size: .8rem; color: #5a6772; margin-top: .6rem; }
.dash-legend span { display: inline-flex; align-items: center; gap: .35rem; }
.dash-legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }

/* ── summative assessments (assess/) ─────────────────────────────────────── */
.btn.lg { font-size: 1.05rem; padding: .85rem 1.8rem; }
.btn.go { background: #16a34a; }
.small { font-size: .82rem; }

/* unit picker tiles */
.assess-tile { display: flex; flex-direction: column; align-items: flex-start; gap: .15rem; }
.assess-tile .ico { font-size: 2rem; }
.assess-tile-band { display: flex; align-items: center; gap: .5rem; margin-top: .35rem; }
.assess-tile-pct { font-weight: 800; color: #2a3540; }

/* intro card */
.assess-intro { text-align: center; max-width: 600px; margin: 1.4rem auto; border-top: 3px solid var(--accent, #0ea5a4); background: var(--surface); border-radius: var(--r-lg); box-shadow: var(--sh-lift); padding: clamp(1.6rem, 4vw, 2.4rem); animation: qz-card-in .35s var(--ease-out); }
.assess-intro-ico { font-size: 3rem; }
.assess-intro h1 { margin: .3rem 0; }
.assess-facts span { display: inline-flex; align-items: center; gap: .35rem; background: #faf8f2; border: 1px solid var(--line-soft); border-radius: 99px; padding: .3rem .85rem; font-size: .86rem; }
.assess-facts { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 1.4rem; margin: 1rem 0; color: #4a5663; font-size: .95rem; }
.assess-tips { text-align: left; max-width: 460px; margin: .5rem auto 1.4rem; color: #5a6772; font-size: .9rem; line-height: 1.7; }

/* paged runner — "exam hall calm": desk backdrop, sticky amber rail, exam-paper cards */
body.exam-page {
  background-color: var(--cream);
  background-image: radial-gradient(rgba(19,64,63,.06) 1px, transparent 1.2px);
  background-size: 22px 22px;
}
body.exam-page::before { content: ''; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background: radial-gradient(1000px 560px at 50% 26%, rgba(255,253,248,.85) 0%, rgba(255,253,248,0) 68%); }
body.exam-page .wrap { position: relative; z-index: 1; }
body.exam-page .crumbs { font-size: .78rem; opacity: .72; }
body.exam-page .site-footer { position: relative; z-index: 1; }
.qz-top { position: sticky; top: 0; z-index: 120; margin: .6rem 0 1rem; padding: .55rem 0 .4rem;
  background: linear-gradient(rgba(250,247,242,.96), rgba(250,247,242,.82)); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.qz-progress { height: 3px; background: rgba(19,64,63,.1); border-radius: 99px; overflow: hidden; }
.qz-progress-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--amber), var(--amber-dark)); border-radius: 99px; transition: width .45s var(--ease-out); }
.qz-count { text-align: right; font-size: .76rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: #8b97a3; margin-top: .4rem; }
.qz-cards { position: relative; }
.qz-card { position: relative; overflow: hidden; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg);
  padding: clamp(1.4rem, 3.2vw, 2.2rem); box-shadow: var(--sh-sm); animation: qz-card-in .28s var(--ease-out); }
.qz-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--accent, var(--teal)); }
@keyframes qz-card-in { from { opacity: 0; transform: translateY(12px); } }
.qz-qhead { display: flex; align-items: center; gap: .9rem; margin-bottom: 1rem; flex-wrap: wrap; }
.qz-qnum { font-family: var(--font-display); font-weight: 800; font-size: 1.75rem; line-height: 1; color: var(--accent, var(--teal)); }
.qz-tag { display: inline-block; font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .09em; color: #6a7680;
  background: transparent; border: 1px solid var(--line-2); padding: .28rem .75rem; border-radius: 99px; }
.qz-q { font-size: 1.12rem; font-weight: 600; line-height: 1.7; margin-bottom: 1.1rem; color: #1f2a37; }
.qz-q code { background: #f1efe7; padding: .05em .35em; border-radius: 5px; font-size: .92em; }
.qz-opts { display: grid; gap: .6rem; }
.qz-opt { display: flex; align-items: center; gap: .7rem; text-align: left; background: #fff; border: 2px solid #ece6d8; border-radius: 14px;
  padding: .8rem 1rem; font-size: 1rem; cursor: pointer; color: #2a3540;
  transition: transform .18s var(--ease-out), border-color .18s ease, background .18s ease, box-shadow .18s ease; }
.qz-opt:hover { transform: translateY(-2px); border-color: var(--teal-bright); box-shadow: 0 8px 18px -10px rgba(19,64,63,.3); }
.qz-opt .qz-key { flex: none; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; background: #ece6d8; font-weight: 700; font-size: .85rem; transition: background .18s ease, color .18s ease; }
.qz-opt.sel { border-color: var(--teal); background: rgba(45,106,106,.09); }
.qz-opt.sel .qz-key { background: var(--teal); color: #fff; }
.qz-opt.correct { border-color: var(--ok); background: var(--ok-bg); }
.qz-opt.correct .qz-key { background: var(--ok); color: #fff; }
.qz-opt.correct::after { content: '✓'; margin-left: auto; color: var(--ok-ink); font-weight: 800; }
.qz-opt.wrong { border-color: var(--no); background: var(--no-bg); }
.qz-opt.wrong .qz-key { background: var(--no); color: #fff; }
.qz-opt.wrong::after { content: '✗'; margin-left: auto; color: var(--no-ink); font-weight: 800; }
.qz-fill { width: 100%; box-sizing: border-box; font-size: 1.15rem; padding: .85rem 1rem; border: 2px solid #ece6d8; border-radius: 14px; background: #fff; transition: border-color .18s ease, box-shadow .18s ease; }
.qz-fill:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(45,106,106,.12); background: #fff; }
textarea.qz-fill { min-height: 130px; font-size: 1rem; line-height: 1.55; font-family: inherit; resize: vertical; }
.ws-ai-fb { margin-top: .45rem; padding: .55rem .8rem; background: #f0f7f6; border-left: 3px solid var(--teal, #0ea5a4); border-radius: 0 8px 8px 0; font-size: .9rem; }
.ws-ai-fb .who { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: #5a6772; margin-bottom: .15rem; }
.ws-ai-fb.teacher { background: #fdf3e3; border-left-color: var(--amber, #d97706); }
.qz-tray { min-height: 52px; display: flex; flex-wrap: wrap; gap: .5rem; padding: .6rem; border: 2px dashed #cdbf9f; border-radius: 12px; background: #fffdf7; margin-bottom: .8rem; }
.qz-tray.empty { align-items: center; }
.qz-tray-hint { color: #b3a079; font-size: .85rem; align-self: center; }
.qz-tray .qz-tray-hint { display: none; }
.qz-tray.empty .qz-tray-hint { display: inline; }
.qz-bank { display: flex; flex-wrap: wrap; gap: .5rem; }
.qz-chip { background: #fff; border: 2px solid #e7e0d2; border-radius: 10px; padding: .55rem .9rem; font-size: .95rem; cursor: pointer; transition: .15s; }
.qz-chip:hover { border-color: var(--teal, #0ea5a4); }
.qz-tray .qz-chip { background: #e6f6f5; border-color: var(--teal, #0ea5a4); counter-increment: ord; }
.qz-code { margin: .5rem 0; }
.qz-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 1.2rem 0 3rem; }
.qz-dots { display: flex; flex-wrap: wrap; gap: .4rem; justify-content: center; flex: 1; }
.qz-dot { width: 13px; height: 13px; border-radius: 50%; border: 2px solid #d8cfbb; background: #fff; cursor: pointer; padding: 0; }
.qz-dot.done { background: #9fd9b3; border-color: #6cc28c; }
.qz-dot.cur { border-color: var(--teal, #0ea5a4); transform: scale(1.3); }

/* marking + results — unified results screen (kicker + ring + band + reveal list) */
.assess-marking { text-align: center; padding: 3rem 1rem; color: #5a6772; }
.spinner { width: 40px; height: 40px; margin: 0 auto 1rem; border: 4px solid #e3ebea; border-top-color: var(--teal, #0ea5a4); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.assess-kicker { display: block; font-size: .72rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; color: var(--amber-dark); margin: 0 0 .3rem; }
.assess-result { border-top: 3px solid var(--accent, #0ea5a4); max-width: 680px; margin: 1rem auto; background: var(--surface); border-radius: var(--r-lg); box-shadow: var(--sh-lift); animation: qz-card-in .35s var(--ease-out); }
.assess-result-top { display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; padding-bottom: .4rem; }
.assess-result-meta { flex: 1; min-width: 220px; }
.assess-result-meta h1 { margin: 0 0 .35rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.assess-band { display: flex; align-items: center; gap: .7rem; margin: .3rem 0 .5rem; font-weight: 700; }
.assess-review-h { font-size: 1.05rem; padding-top: 1.1rem; border-top: 1px solid var(--line-soft); }
.assess-review li { animation: rev-li-in .45s var(--ease-out) backwards; animation-delay: var(--d, 0ms); }
@keyframes rev-li-in { from { opacity: 0; transform: translateY(10px); } }
.assess-reward { display: flex; align-items: center; gap: 1rem; margin: 1.3rem 0; padding: 1rem 1.2rem; border-radius: 14px; background: linear-gradient(100deg, color-mix(in srgb, var(--accent) 12%, #fff), #fff); border: 1px solid color-mix(in srgb, var(--accent) 30%, #eee); text-decoration: none; color: inherit; }
.assess-reward-ico { font-size: 2rem; }
.assess-reward-go { margin-left: auto; font-weight: 800; color: var(--accent); white-space: nowrap; }
.assess-review-h { margin: 1.4rem 0 .6rem; }
.assess-review { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.assess-review li { display: flex; gap: .7rem; align-items: flex-start; padding: .7rem .9rem; border-radius: 10px; background: #faf8f2; border-left: 4px solid #ccc; }
.assess-review li.ok { border-left-color: #2bb673; }
.assess-review li.part { border-left-color: #f0a830; }
.assess-review li.no { border-left-color: #e2536b; }
.rev-mark { font-weight: 800; font-size: 1.1rem; }
.assess-review li.ok .rev-mark { color: #2bb673; } .assess-review li.part .rev-mark { color: #f0a830; } .assess-review li.no .rev-mark { color: #e2536b; }
.rev-q { font-size: .92rem; color: #2a3540; line-height: 1.4; }
.rev-detail { font-size: .82rem; color: #7a8794; margin-top: .2rem; }
.assess-actions { display: flex; gap: .8rem; justify-content: center; margin-top: 1.5rem; }

/* ── dashboards (student /dashboard/ + teacher) ──────────────────────────── */
.dash-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin: 1rem 0 .5rem; }
.dash-head h1 { margin: 0; }
.dash-empty { color: #8b97a3; font-size: .9rem; padding: 1.5rem 0; text-align: center; }
.dash-assess-list { display: grid; gap: .45rem; }
.dash-assess-row { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border-radius: 10px; background: #faf8f2; text-decoration: none; color: inherit; transition: .15s; }
.dash-assess-row:hover { background: #f1efe7; }
.da-ico { font-size: 1.2rem; }
.da-name { flex: 1; font-weight: 600; font-size: .92rem; color: #2a3540; }
.da-pct { font-weight: 800; color: #2a3540; min-width: 38px; text-align: right; }
.da-todo { font-size: .72rem; }
.dash-trend { display: flex; align-items: center; gap: .8rem; margin-top: .9rem; }
.dash-games { display: grid; gap: .45rem; }
.dash-game { display: flex; align-items: center; gap: .7rem; padding: .55rem .7rem; border-radius: 10px; background: #faf8f2; border-left: 4px solid var(--c, #0ea5a4); text-decoration: none; color: inherit; transition: .15s; }
.dash-game:hover { background: #f1efe7; }
.dg-ico { font-size: 1.2rem; } .dg-name { flex: 1; font-weight: 600; font-size: .92rem; } .dg-best { font-weight: 800; color: var(--c); }
.dash-foot { text-align: center; color: #8b97a3; margin: 1.5rem 0 3rem; }
/* teacher analytics */
.tch-class-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.tch-unit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: .8rem; margin-top: .6rem; }
.tch-unit { text-align: center; padding: .7rem .5rem; border-radius: 12px; background: #faf8f2; border-top: 3px solid var(--c, #0ea5a4); }
.tch-unit-name { font-size: .8rem; font-weight: 600; color: #5a6772; margin-top: .3rem; }
.tch-unit-sub { font-size: .72rem; color: #98a3ae; }
.tch-students { width: 100%; border-collapse: collapse; margin-top: .5rem; }
.tch-students th, .tch-students td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid #eee7d8; font-size: .88rem; }
.tch-students th { font-size: .76rem; text-transform: uppercase; letter-spacing: .03em; color: #98a3ae; }
.tch-heatbar { height: 10px; border-radius: 99px; background: #eef3f2; overflow: hidden; min-width: 80px; }
.tch-heatbar > i { display: block; height: 100%; border-radius: 99px; }

/* binary place-value lab */
.iw-binary { border-left-color: var(--teal); }
.iw-tag.binary { background: var(--teal-light); color: var(--teal-dark); }
.bin-target { font-size: .92rem; margin: .3rem 0 .7rem; }
.bin-row { display: flex; gap: .45rem; justify-content: center; flex-wrap: wrap; padding: 1rem .6rem; background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); }
.bin-cell { display: flex; flex-direction: column; align-items: center; gap: .35rem; }
.bin-place { font-size: .68rem; color: var(--mid-gray); font-family: var(--font-mono); }
.bin-bit { width: 44px; height: 50px; border: 2px solid var(--line-2); border-radius: 9px; background: #fff; font-family: var(--font-mono); font-size: 1.35rem; font-weight: 700; color: var(--mid-gray); cursor: pointer; transition: transform .12s, background .15s, border-color .15s, color .15s; }
.bin-bit:hover { border-color: var(--teal); }
.bin-bit.on { background: var(--teal); border-color: var(--teal); color: #fff; transform: translateY(-3px); }
.bin-readout { text-align: center; font-size: 1.15rem; margin: .8rem 0 .2rem; font-family: var(--font-mono); }
.bin-readout .bin-string { letter-spacing: 2px; }
.bin-readout .bin-eq { color: var(--mid-gray); margin: 0 .4rem; }
.bin-readout .bin-total { color: var(--teal); font-size: 1.45rem; }

/* Caesar cipher lab */
.iw-cipher { border-left-color: #7a4fb5; }
.iw-tag.cipher { background: #f1e9fb; color: #7a4fb5; }
.cipher-controls { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: .6rem 0; }
.cipher-field { font-size: .85rem; font-weight: 600; }
.cipher-field input[type=text] { font-family: var(--font-mono); font-size: 1rem; letter-spacing: 2px; padding: .4rem .6rem; border: 1px solid var(--line-2); border-radius: var(--r-sm); text-transform: uppercase; }
.cipher-field input[type=range] { width: 180px; vertical-align: middle; accent-color: #7a4fb5; }
.cipher-map { overflow-x: auto; padding: .6rem 0; }
.cipher-alpha { display: flex; gap: 2px; font-family: var(--font-mono); font-size: .8rem; justify-content: center; min-width: max-content; }
.cipher-alpha span { width: 20px; text-align: center; padding: .2rem 0; }
.cipher-alpha.shifted span { background: #f1e9fb; color: #7a4fb5; font-weight: 700; border-radius: 4px; }
.cipher-out { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r-sm); padding: .8rem 1rem; font-size: 1.05rem; line-height: 2; }
.cipher-out .cipher-label { display: inline-block; width: 54px; font-size: .7rem; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 1px; }
.cipher-out .cipher-result { color: #7a4fb5; font-weight: 700; letter-spacing: 1px; }

/* output console */
.iw-console { background: #0d1117; border-radius: var(--r-sm); margin: .5rem 0; overflow: hidden; }
.iw-console-label { display: block; background: #1a1a2e; color: rgba(255,255,255,.4); font-size: .68rem; font-family: var(--font-mono); letter-spacing: 1px; text-transform: uppercase; padding: .3rem .8rem; }
.iw-console-out { color: #7ee787; font-family: var(--font-mono); font-size: .85rem; line-height: 1.5; padding: .5rem .8rem; margin: 0; min-height: 1.5em; white-space: pre-wrap; }

/* ── lesson quizzes / KS tests / teacher quiz builder ── */
.qz-codeblock { background: #0d1117; color: #e6edf3; font-family: var(--font-mono); font-size: .88rem; line-height: 1.55; border-radius: var(--r-sm); padding: .7rem .9rem; margin: .4rem 0 1rem; overflow-x: auto; white-space: pre; }
.qz-codeblock.small { font-size: .8rem; padding: .5rem .7rem; }
.f-label { display: block; font-size: .78rem; font-weight: 700; letter-spacing: .5px; color: var(--mid-gray); text-transform: uppercase; margin: .6rem 0 .25rem; }
.qb-chk { display: inline-flex; align-items: center; gap: .35rem; font-size: .9rem; margin-right: .6rem; cursor: pointer; }

/* ═══ v2.1 award pass — lesson polish, dashboard language, arcade tiles ═══ */

/* lesson hero strip: kicker + Playfair title + spec chips */
.lesson-kicker { margin: 0; font-size: .72rem; color: var(--amber); letter-spacing: .16em; font-weight: 800; text-transform: uppercase; }
.lesson-hero { border-radius: 0 0 28px 28px; background: linear-gradient(150deg, var(--ink) 0%, var(--teal-dark) 70%, #1a4949 100%); }
.lesson-hero .crumbs { opacity: .85; }

/* objectives as an elegant checklist */
.objectives { background: var(--surface); border: 1px solid var(--line-soft); border-left: 3px solid var(--ok); border-radius: var(--r-lg); padding: 1.2rem 1.5rem; box-shadow: var(--sh-sm); }
.objectives h3 { color: var(--charcoal); font-family: var(--font-display); font-size: 1.02rem; }
.objectives ul { padding-left: 0; }
.objectives li { list-style: none; position: relative; padding: .28rem 0 .28rem 1.7rem; color: var(--charcoal); font-size: .92rem; line-height: 1.55; }
.objectives li::before { content: '✓'; position: absolute; left: .15rem; top: .28rem; color: var(--ok); font-weight: 800; }
.objectives li + li { border-top: 1px dashed var(--line-soft); }

/* pane-nav + lesson-end: v2 button/card treatment */
.pane-nav { border-top: 1px solid var(--line-soft); }
.pane-dot { width: 11px; height: 11px; transition: transform .2s var(--ease-out), background .2s ease, box-shadow .2s ease; }
.pane-dot.on { box-shadow: 0 0 0 4px rgba(45,106,106,.14); }
.lesson-end { background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); box-shadow: var(--sh-lift); padding: 1.8rem 1.5rem; }

/* arcade tiles: accent top bar + pinned chip row at the card foot */
.game-tile { display: flex; flex-direction: column; align-items: flex-start; border-top: 4px solid var(--gc, var(--teal)); }
.game-tile .meta { margin: 0 0 .4rem; }
.tile-foot { margin-top: auto; padding-top: .9rem; display: flex; gap: .45rem; flex-wrap: wrap; align-items: center; }
.tile-foot .pill { margin-top: 0; }
.tier-pill { border: 1px solid transparent; }
.tier-pill.free { background: var(--ok-bg); color: var(--ok-ink); }
.tier-pill.account { background: var(--teal-light); color: var(--teal-dark); }
.tier-pill.premium { background: #fff3e0; color: #b46a00; border-color: #f0d199; }

/* dashboard: Playfair greeting + insight line + unified cards */
.dash-insight { margin: .15rem 0 0; color: var(--mid-gray); font-size: 1rem; line-height: 1.6; max-width: 56ch; }
.dash-insight b { color: var(--teal-dark); }
.dash-kicker { display: block; font-size: .7rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; color: var(--amber-dark); margin: 0 0 .15rem; }
.dash-card { background: var(--surface); border: 1px solid var(--line-soft); box-shadow: var(--sh-sm); transition: box-shadow .25s ease, transform .25s var(--ease-out); }
.dash-card:hover { box-shadow: var(--sh-lift); transform: translateY(-2px); }
.cs-stat-tile { background: var(--surface); border: 1px solid var(--line-soft); border-top: 3px solid var(--accent, var(--teal)); }
.cs-stat-num { font-family: var(--font-display); font-weight: 800; color: var(--charcoal); }
.dash-empty { padding: 1.2rem .6rem; }
.dash-empty .de-ico { display: block; font-size: 1.9rem; margin-bottom: .35rem; }
.dash-empty .btn { margin-top: .7rem; }

/* reduced motion: every v2.1 animation collapses to its final state */
@media (prefers-reduced-motion: reduce) {
  .qz-card, .assess-result, .assess-intro, .assess-review li, .pane,
  .qz-progress-fill, .qz-opt, .dash-card, .pane-dot { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}

/* ============================== Developer Path (/dev/) ============================== */
.dev-tier { margin-bottom: 1.2rem; padding: 1.3rem 1.4rem; }
.dev-tier .pill, .dev-exercise .pill { margin-top: 0; }
.dev-tier-head { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; margin-bottom: .9rem; }
.dev-tier-icon { font-size: 2.2rem; line-height: 1; }
.dev-tier-titlerow { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.dev-tier-progress { display: flex; gap: .5rem; align-items: center; min-width: 160px; }
.dev-tier-locked { opacity: .92; }
.dev-lessons { display: flex; flex-direction: column; gap: .45rem; }
.dev-lesson { display: flex; gap: .8rem; align-items: center; padding: .65rem .8rem; border: 1px solid var(--line-soft);
  border-radius: var(--r); background: var(--surface); text-decoration: none; color: inherit;
  transition: transform .18s var(--ease-out), box-shadow .18s var(--ease-out); }
.dev-lesson:hover { transform: translateX(4px); box-shadow: var(--sh-sm); }
.dev-lesson.done { background: var(--ok-bg); border-color: rgba(45,140,90,.25); }
.dev-lesson.locked { opacity: .6; }
.dev-lesson-n { flex: 0 0 1.7rem; height: 1.7rem; display: grid; place-items: center; border-radius: 50%;
  background: var(--teal-light); color: var(--teal-dark); font-weight: 700; font-size: .85rem; }
.dev-lesson.done .dev-lesson-n { background: var(--ok); color: #fff; }
.dev-lesson-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: .1rem; }
.dev-lesson-body .note { font-size: .8rem; }
.dev-lesson-sub { font-size: .78rem; color: var(--mid-gray); white-space: nowrap; }
.dev-lock-note { margin-top: .8rem; padding: .6rem .8rem; border-radius: var(--r); background: #fdf6ea; font-size: .86rem; }

.dev-chunk { margin-bottom: .9rem; padding: 1.2rem 1.4rem; }
.dev-chunk h3 { margin: 0 0 .45rem; }
.dev-chunk p { margin: 0; line-height: 1.65; white-space: pre-line; }
.dev-code { margin: .8rem 0 0; padding: .9rem 1rem; border-radius: var(--r); background: var(--code-bg); color: var(--code-fg);
  font-family: var(--font-mono); font-size: .86rem; line-height: 1.55; overflow-x: auto; }
.dev-reqs { margin: 0; padding-left: 1.3rem; line-height: 1.7; }

.dev-exercise { margin-bottom: 1.1rem; padding: 1.2rem 1.4rem; border-left: 4px solid var(--amber); }
.dev-exercise.done { border-left-color: var(--ok); }
.dev-ex-head { display: flex; gap: .7rem; align-items: center; margin-bottom: .6rem; }
.dev-ex-badge { flex: 0 0 1.8rem; height: 1.8rem; display: grid; place-items: center; border-radius: 50%;
  background: var(--amber-light); color: var(--amber-dark); font-weight: 700; }
.dev-exercise.done .dev-ex-badge { background: var(--ok); color: #fff; }
.dev-ex-brief { white-space: pre-line; line-height: 1.6; margin: 0 0 .8rem; }
.dev-ex-actions { display: flex; gap: .6rem; margin-top: .8rem; flex-wrap: wrap; }
.dev-ex-results { margin-top: .8rem; }
.dev-ex-results:empty { display: none; }

.dev-runtime-status { font-size: .74rem; color: #8b949e; margin-right: auto; }
.dev-stdin { background: #161b22; border-top: 1px solid #30363d; padding: .35rem .8rem .5rem; }
.dev-stdin summary { color: #8b949e; font-size: .78rem; cursor: pointer; }
.dev-stdin summary .note { color: #6e7681; }
.dev-stdin-box { width: 100%; margin-top: .4rem; background: #0d1117; color: var(--code-fg); border: 1px solid #30363d;
  border-radius: 8px; font-family: var(--font-mono); font-size: .84rem; padding: .5rem .6rem; resize: vertical; }

.dev-ai-feedback { margin-top: 1rem; padding: 1rem 1.2rem; border-radius: var(--r); background: var(--teal-light); }
.dev-ai-feedback h3 { margin: 0 0 .4rem; }
.dev-ai-feedback h4 { margin: .8rem 0 .25rem; }
.dev-ai-feedback ul { margin: 0; padding-left: 1.2rem; line-height: 1.6; }
.dev-rubric { list-style: none; padding-left: 0 !important; }
.dev-rubric li { padding: .3rem 0; }
.dev-rubric li.met b { color: var(--ok-ink); }
.dev-rubric li.unmet b { color: var(--mid-gray); }

.dev-lesson-nav { display: flex; justify-content: space-between; align-items: center; gap: .8rem; margin: 1.6rem 0 .6rem; flex-wrap: wrap; }

/* ── Dev Path: tracks, lab loading, AI rewards (AI-track expansion) ── */
.dev-track { margin-bottom: 2rem; }
.dev-track-head { display: flex; gap: .8rem; align-items: baseline; flex-wrap: wrap; margin: 0 0 .8rem; padding-bottom: .4rem; border-bottom: 2px solid var(--line-soft); }
.dev-soon-row { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .3rem; }
.dev-soon-card { padding: .55rem .9rem; border: 1px dashed var(--line-2); border-radius: var(--r); font-size: .85rem; color: var(--mid-gray); background: var(--surface); }
.dev-soon-card i { font-style: normal; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; opacity: .7; margin-left: .3rem; }

.dev-lab-banner { display: flex; gap: .8rem; align-items: center; padding: .8rem 1rem; margin-bottom: 1rem;
  border-radius: var(--r); background: var(--teal-light); border: 1px solid rgba(45,106,106,.2); }
.dev-lab-banner.done { background: var(--ok-bg); border-color: rgba(45,140,90,.25); }
.dev-lab-spin { font-size: 1.4rem; animation: dev-spin 2.2s linear infinite; }
@keyframes dev-spin { to { transform: rotate(360deg); } }
.dev-lab-banner .note { display: block; font-size: .8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 60ch; }

.dev-reward { margin: 1.2rem 0; padding: 1.2rem 1.4rem; border: 1px solid rgba(232,168,66,.45); background: linear-gradient(135deg, #fffaf0, var(--surface)); }
.dev-reward h3 { margin: 0 0 .4rem; }
.dev-reward.claimed { border-color: rgba(45,140,90,.35); }
@media (prefers-reduced-motion: reduce) { .dev-lab-spin { animation: none; } }

/* ── Dev Path: exercise visualisers ── */
.dev-viz { margin-top: .9rem; padding: .8rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; }
.dev-viz-svg { width: 100%; max-width: 560px; height: auto; display: block; margin: 0 auto; }
.dev-viz-svg.probeable { cursor: crosshair; }
.dev-viz-caption { text-align: center; margin: .4rem 0 0; }
.dev-viz-probe-note { text-align: center; margin: .2rem 0 0; }

/* ------------------------------------------------------------------------
   grade-trajectory thread (ez-thread.js) — strand cards on a winding route;
   the thread + comet are injected by JS, so without JS this is a plain list.
   Mirror of the block in eztutor-gcse/web/css/gcse.css — keep in sync. */
.jt-stage { position: relative; max-width: 980px; margin: 2.4rem auto 0; padding: 10px 0 6px; }
.jt-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; overflow: visible; z-index: 0; }
.jt-track { stroke: rgba(19,64,63,.13); stroke-width: 2.5; stroke-dasharray: 1 9; stroke-linecap: round; }
.jt-lit { stroke-width: 3.5; stroke-linecap: round; }
.jt-trail { stroke: #E8A842; stroke-width: 5; stroke-linecap: round; opacity: .5; }
.jt-head { fill: #E8A842; filter: drop-shadow(0 0 7px rgba(232,168,66,.9)); opacity: 0; }
.jt-halo { fill: #E8A842; opacity: 0; }
.jt-grid { position: relative; z-index: 1; display: flex; flex-direction: column; gap: 2.4rem; }
.jt-card { position: relative; width: min(46%, 360px); background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); padding: 1.5rem 1.4rem 1.3rem; box-shadow: var(--sh-sm); transition: border-color .45s, box-shadow .45s var(--ease-out); }
a.jt-card { display: block; color: inherit; text-decoration: none; }
.jt-card:nth-child(even) { align-self: flex-end; }
.jt-card .ico { width: 48px; height: 48px; border-radius: 13px; background: var(--teal-light); display: grid; place-items: center; font-size: 22px; margin-bottom: .9rem; transition: background .45s; }
.jt-card h3 { font-size: 1.1rem; margin: 0 0 .2rem; }
.jt-card p { margin: .25rem 0 .7rem; color: var(--mid-gray); font-size: .86rem; line-height: 1.6; }
.jt-band { display: inline-block; font-size: .7rem; font-weight: 700; letter-spacing: .6px; color: var(--teal); background: var(--teal-light); border-radius: 99px; padding: .18rem .7rem; }
.jt-tick { position: absolute; top: 1.1rem; right: 1.1rem; width: 26px; height: 26px; border-radius: 50%; background: var(--ok-bg); color: var(--ok-ink); font-size: .8rem; font-weight: 700; display: grid; place-items: center; opacity: 0; transform: scale(.4); transition: opacity .35s, transform .45s var(--ease-out); }
.jt-card.jt-on { border-color: rgba(59,166,160,.55); box-shadow: var(--sh-lift); }
.jt-card.jt-on .ico { background: var(--amber-light); }
.jt-card.jt-on .jt-tick { opacity: 1; transform: scale(1); }
.jt-card.jt-live { animation: jt-zap .95s var(--ease-out); }
.jt-card.jt-live .ico { animation: jt-flicker .95s steps(2, jump-none); }
@keyframes jt-zap {
  0%   { box-shadow: 0 0 0 0 rgba(59,166,160,.55), 0 0 0 rgba(232,168,66,0); }
  40%  { box-shadow: 0 0 0 7px rgba(59,166,160,0), 0 0 30px rgba(232,168,66,.6); }
  100% { box-shadow: 0 0 0 0 rgba(59,166,160,0), 0 0 0 rgba(232,168,66,0); }
}
@keyframes jt-flicker { 0%, 100% { filter: brightness(1); } 50% { filter: brightness(1.5) saturate(1.4); } }
.jt-end { position: relative; align-self: center; width: 132px; text-align: center; }
.jt-end .jt-medal { width: 92px; height: 92px; margin: 0 auto; border-radius: 50%; background: var(--amber); border: 3px solid var(--amber-dark); display: grid; place-items: center; font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: #fff; box-shadow: var(--sh-sm); transition: transform .5s var(--ease-out), box-shadow .5s; transform: scale(.92); }
.jt-end .jt-medal::after { content: ''; position: absolute; inset: 7px; border-radius: 50%; border: 2.5px dashed rgba(255,255,255,.75); }
.jt-end b { display: block; margin-top: .6rem; font-family: var(--font-display); font-size: .95rem; color: var(--ink); }
.jt-end span { font-size: .76rem; color: var(--mid-gray); }
.jt-end.jt-on .jt-medal { transform: scale(1); box-shadow: 0 0 0 9px rgba(232,168,66,.16), var(--sh-lift); }
.jt-end.jt-live .jt-medal { animation: jt-pop .8s var(--ease-out); }
@keyframes jt-pop { 0% { transform: scale(.92); } 55% { transform: scale(1.12); } 100% { transform: scale(1); } }
@media (max-width: 700px) {
  .jt-card, .jt-card:nth-child(even) { width: 100%; align-self: stretch; }
  .jt-grid { gap: 1.6rem; }
}

/* ── Dev Path: collapsible tracks & tiers ── */
.dev-toggle { cursor: pointer; user-select: none; }
.dev-toggle:hover .dev-chevron { color: var(--teal-dark); transform: translateY(1px); }
.dev-chevron { font-size: 1.1rem; color: var(--mid-gray); margin-left: .4rem; transition: transform .25s var(--ease-out), color .15s; transform: rotate(-90deg); align-self: center; }
.dev-tier.open > .dev-tier-head .dev-chevron,
.dev-track.open > .dev-track-head .dev-chevron { transform: rotate(0deg); }
.dev-tier-head { margin-bottom: 0; }
.dev-tier.open > .dev-tier-head { margin-bottom: .9rem; }
.dev-tier-body { animation: dev-reveal .28s var(--ease-out); }
.dev-track-body { animation: dev-reveal .28s var(--ease-out); }
@keyframes dev-reveal { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.dev-track-head { cursor: pointer; }
@media (prefers-reduced-motion: reduce) { .dev-tier-body, .dev-track-body { animation: none; } }

/* ---- arcade: strand group headers (games organised by topic) ---- */
.arcade-group { display: flex; align-items: center; gap: .5rem; font-size: 1.12rem; margin: 1.8rem 0 .9rem;
  padding-bottom: .4rem; border-bottom: 1px solid var(--line); color: var(--ink); }
.arcade-group:first-child { margin-top: .4rem; }
.arcade-group-ico { font-size: 1.3rem; }

/* ---- Developer Path route finder + portfolio proof ---- */
.dev-route-panel { margin: 0 0 1.4rem; padding: 1.15rem 1.25rem; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); box-shadow: var(--sh-sm); }
.dev-route-head { display: flex; justify-content: space-between; gap: 1rem; align-items: end; flex-wrap: wrap; margin-bottom: .85rem; }
.dev-route-head h2 { margin: .1rem 0 0; font-size: clamp(1.4rem, 2.6vw, 1.9rem); }
.dev-route-options { display: grid; grid-template-columns: repeat(auto-fit, minmax(145px, 1fr)); gap: .55rem; margin-bottom: .8rem; }
.dev-route-choice { display: flex; align-items: center; gap: .55rem; min-height: 52px; padding: .55rem .7rem; border: 1.5px solid var(--line); border-radius: var(--r); background: #fff; color: var(--charcoal); font: 700 .86rem var(--font-body); text-align: left; cursor: pointer; transition: border-color .18s, box-shadow .18s, transform .18s; }
.dev-route-choice span { font-size: 1.15rem; }
.dev-route-choice:hover { border-color: rgba(45,106,106,.35); box-shadow: var(--sh-sm); transform: translateY(-1px); }
.dev-route-choice.on { border-color: var(--teal); background: var(--teal-light); color: var(--teal-dark); }
.dev-route-result { display: grid; grid-template-columns: minmax(220px, .9fr) minmax(260px, 1.4fr) auto; gap: 1rem; align-items: center; padding: .9rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: linear-gradient(135deg, #fffdf9, #f8fbfb); }
.dev-route-result h3 { margin: 0 0 .15rem; }
.dev-route-result p { margin: 0; color: var(--mid-gray); font-size: .9rem; line-height: 1.55; }
.dev-route-steps { display: grid; gap: .42rem; }
.dev-route-step { display: grid; grid-template-columns: 64px 1fr auto; gap: .55rem; align-items: center; padding: .42rem .55rem; border: 1px solid var(--line-soft); border-radius: 10px; background: #fff; color: inherit; }
.dev-route-step b { color: var(--teal-dark); font-size: .8rem; }
.dev-route-step span { font-size: .84rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dev-route-step i { font-style: normal; font-size: .72rem; font-weight: 800; color: var(--mid-gray); }
.dev-route-step.done { background: var(--ok-bg); }
.dev-route-step.locked i { color: var(--amber-dark); }
.dev-route-actions { display: flex; flex-direction: column; gap: .45rem; align-items: stretch; }
.dev-route-actions .btn { white-space: nowrap; }

.dev-portfolio-hero { display: flex; justify-content: space-between; align-items: stretch; gap: 1.2rem; flex-wrap: wrap; margin: .4rem 0 1.2rem; padding: 1.4rem 1.5rem; background: var(--surface); border: 1px solid var(--line-soft); border-radius: var(--r-lg); box-shadow: var(--sh-sm); }
.dev-portfolio-hero h1 { margin: .1rem 0 .3rem; }
.dev-cert { min-width: 230px; flex: 0 0 250px; display: grid; place-items: center; text-align: center; padding: 1rem; border: 1px solid rgba(232,168,66,.45); border-radius: var(--r); background: linear-gradient(145deg, #fff9ec, #fffdf9); }
.dev-cert span { font-size: .76rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; color: var(--amber-dark); }
.dev-cert b { display: block; font: 800 3rem/1 var(--font-display); color: var(--teal-dark); margin: .35rem 0; }
.dev-cert small { color: var(--mid-gray); }
.dev-proof-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; margin: 1rem 0; }
.dev-proof-stat { padding: 1rem 1.05rem; background: #fff; border: 1px solid var(--line-soft); border-radius: var(--r); box-shadow: var(--sh-sm); }
.dev-proof-stat b { display: block; font: 800 2rem/1 var(--font-display); color: var(--teal); }
.dev-proof-stat span { display: block; font-weight: 800; margin-top: .2rem; }
.dev-proof-stat i { display: block; font-style: normal; color: var(--mid-gray); font-size: .82rem; margin-top: .1rem; }
.dev-proof-actions { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin: 1rem 0; padding: .9rem 1rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: var(--teal-light); }
.dev-proof-actions p { margin: 0; max-width: 70ch; font-weight: 600; color: var(--teal-dark); }
.dev-proof-columns { display: grid; grid-template-columns: minmax(280px, .85fr) minmax(320px, 1.15fr); gap: 1rem; margin: 1rem 0; }
.dev-skill-list { display: flex; flex-wrap: wrap; gap: .45rem; }
.dev-skill { display: inline-flex; align-items: center; gap: .45rem; padding: .4rem .65rem; border-radius: var(--pill); border: 1px solid var(--line-soft); background: #fff; font-weight: 800; font-size: .82rem; }
.dev-skill i { font-style: normal; color: var(--mid-gray); font-weight: 700; }
.dev-skill.earned { background: var(--ok-bg); color: var(--ok-ink); }
.dev-skill.active { background: #fff8ec; color: #8a5b12; }
.dev-tier-evidence { display: grid; gap: .45rem; }
.dev-evidence-row { display: grid; grid-template-columns: minmax(160px, 1fr) minmax(100px, .8fr) 64px; gap: .7rem; align-items: center; padding: .5rem .6rem; border: 1px solid var(--line-soft); border-radius: 10px; color: inherit; background: #fff; }
.dev-evidence-row span:first-child { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dev-evidence-row b { color: var(--teal-dark); margin-right: .45rem; }
.dev-evidence-row i { font-style: normal; text-align: right; color: var(--mid-gray); font-size: .8rem; }
.dev-project-proof { margin-top: 1rem; }
.dev-project-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: .8rem; }
.dev-project-proof-card { display: grid; gap: .25rem; align-content: start; min-height: 168px; padding: .9rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; color: inherit; transition: transform .18s, box-shadow .18s, border-color .18s; }
.dev-project-proof-card:hover { transform: translateY(-2px); box-shadow: var(--sh-sm); border-color: rgba(45,106,106,.35); }
.dev-project-proof-card.done { background: var(--ok-bg); border-color: rgba(45,140,90,.25); }
.dev-project-icon { font-size: 1.5rem; }
.dev-project-proof-card p { margin: 0; color: var(--mid-gray); font-size: .84rem; line-height: 1.5; }
.dev-project-proof-card i { align-self: end; margin-top: .3rem; font-style: normal; font-size: .76rem; font-weight: 800; color: var(--teal-dark); }

@media (max-width: 820px) {
  .dev-route-result { grid-template-columns: 1fr; }
  .dev-route-actions { flex-direction: row; flex-wrap: wrap; }
  .dev-proof-columns { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .dev-route-step, .dev-evidence-row { grid-template-columns: 1fr; }
  .dev-route-step span, .dev-evidence-row span:first-child { white-space: normal; }
  .dev-evidence-row i { text-align: left; }
  .dev-cert { flex-basis: 100%; }
}
@media print {
  .site-header, .site-footer, .dev-proof-actions, .nav-overlay { display: none !important; }
  body { background: #fff; }
  .wrap { max-width: none; padding: 0; }
  .dash-card, .dev-portfolio-hero, .dev-proof-stat, .dev-project-proof-card { box-shadow: none !important; break-inside: avoid; }
}

/* Zero-to-hero CS labs --------------------------------------------------- */
.cs-lab-shell { min-height: 100vh; }
.cs-lab-hero { background: linear-gradient(145deg, var(--ink), #153b43 58%, #2f4a3e); color: #fff; }
.cs-lab-hero .wrap { padding-top: 4.5rem; padding-bottom: 3.5rem; }
.cs-lab-hero h1 { color: #fff; max-width: 18ch; margin: .2rem 0 .8rem; }
.cs-lab-hero .lede { color: rgba(255,255,255,.82); max-width: 62ch; font-size: 1.1rem; }
.cs-lab-hero .crumbs, .cs-lab-hero .crumbs a { color: rgba(255,255,255,.68); }
.cs-lab-facts { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.2rem; }
.cs-lab-facts span, .cs-lab-mini-progress span { display: inline-flex; align-items: center; min-height: 32px; border-radius: var(--pill); padding: .25rem .8rem; font-size: .78rem; font-weight: 700; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.16); color: rgba(255,255,255,.9); }
.cs-lab-grid { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr); gap: 1.3rem; align-items: start; }
.cs-lab-brief { position: sticky; top: 92px; background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: 1.1rem; box-shadow: var(--sh-sm); }
.cs-lab-brief ul { padding-left: 1.1rem; margin: .8rem 0 1rem; }
.cs-lab-mini-progress { display: flex; flex-direction: column; gap: .45rem; }
.cs-lab-mini-progress span { justify-content: flex-start; background: var(--teal-light); color: var(--teal-dark); border-color: var(--line); }
.cs-lab-pane { background: var(--warm-white); border: 1px solid var(--line); border-radius: var(--r); padding: clamp(1.1rem, 3vw, 1.6rem); box-shadow: var(--sh-sm); }
.cs-lab-pane h2 { margin-top: .35rem; }
.cs-lab-stage { display: inline-flex; border-radius: var(--pill); padding: .28rem .75rem; font-size: .74rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; background: var(--teal-light); color: var(--teal-dark); }
.cs-lab-stage.lab-explore { background: #eef4ff; color: #28528a; }
.cs-lab-stage.lab-notice { background: var(--amber-light); color: #8a5d12; }
.cs-lab-stage.lab-formalise { background: var(--teal-light); color: var(--teal-dark); }
.cs-lab-stage.lab-check { background: #f3ecff; color: #5a3d8a; }
.cs-lab-stage.lab-challenge { background: var(--ok-bg); color: var(--ok-ink); }
.cs-lab-callout, .cs-lab-worked, .cs-lab-hint, .cs-lab-success, .cs-lab-walkthrough { border: 1px solid var(--line); border-radius: var(--r); padding: 1rem; background: #fff; margin: 1rem 0; }
.cs-lab-callout { border-left: 5px solid var(--amber); }
.cs-lab-worked { border-left: 5px solid var(--teal); }
.cs-lab-hint { background: var(--amber-light); border-color: rgba(196,138,40,.25); }
.cs-lab-success { background: var(--ok-bg); border-color: rgba(45,140,90,.25); color: var(--ok-ink); }
.cs-lab-walkthrough { background: #f7f4ff; border-color: #ddd2ff; }
.cs-lab-signal-board { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .85rem; margin-top: 1rem; }
.cs-lab-signal-board article { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1rem; }
.cs-triage { margin-top: 1rem; }
.cs-triage-toolbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1rem; }
.cs-triage-toolbar p { margin: .1rem 0 0; color: var(--mid-gray); font-size: .9rem; }
.cs-triage-actions { display: flex; gap: .5rem; flex-wrap: wrap; justify-content: flex-end; }
.cs-triage-list { display: grid; gap: .8rem; }
.cs-triage-card { background: #fff; border: 1.5px solid var(--line); border-radius: var(--r); padding: 1rem; transition: border-color .2s, box-shadow .2s; }
.cs-triage-card.ok { border-color: rgba(45,140,90,.55); box-shadow: inset 4px 0 0 var(--ok); }
.cs-triage-card.bad { border-color: rgba(192,57,43,.45); box-shadow: inset 4px 0 0 var(--no); }
.cs-mail-head { display: grid; gap: .2rem; }
.cs-mail-head span { color: var(--mid-gray); font-size: .82rem; }
.cs-mail-head strong { font-size: 1rem; }
.cs-choice-row { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .8rem; }
.cs-choice { border: 1px solid var(--line-2); background: var(--cream); border-radius: var(--pill); padding: .42rem .72rem; font: 700 .78rem var(--font-body); cursor: pointer; color: var(--charcoal); }
.cs-choice:hover { border-color: var(--teal); color: var(--teal); }
.cs-choice.on { background: var(--teal); border-color: var(--teal); color: #fff; }
.cs-decision-log { margin-top: .9rem; overflow-x: auto; }
.cs-decision-log table { width: 100%; border-collapse: collapse; background: #fff; margin-bottom: .8rem; }
.cs-decision-log th, .cs-decision-log td { text-align: left; vertical-align: top; border: 1px solid var(--line); padding: .65rem; font-size: .84rem; }
.cs-lab-reflection { display: grid; gap: .9rem; }
.cs-lab-reflection label span { display: block; font-weight: 700; margin-bottom: .4rem; }
.cs-lab-reflection textarea { width: 100%; border: 1.5px solid var(--line); border-radius: var(--r); padding: .8rem; font: 500 .95rem var(--font-body); resize: vertical; background: #fff; }
.cs-lab-nav { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 1rem; }
@media (max-width: 820px) { .cs-lab-grid { grid-template-columns: 1fr; } .cs-lab-brief { position: static; } .cs-triage-toolbar { display: grid; } .cs-triage-actions { justify-content: flex-start; } }

/* SOC triage simulator extensions --------------------------------------- */
.cs-signal-row { display: flex; flex-wrap: wrap; gap: .35rem; margin: .7rem 0 .4rem; }
.cs-signal-row span { display: inline-flex; align-items: center; min-height: 24px; padding: .12rem .55rem; border-radius: var(--pill); background: var(--teal-light); color: var(--teal-dark); font-size: .72rem; font-weight: 800; }
.cs-evidence { margin-top: .75rem; border: 1px solid var(--line); border-radius: var(--r); background: #fbfaf7; overflow: hidden; }
.cs-evidence summary { cursor: pointer; padding: .65rem .8rem; font-weight: 800; color: var(--teal-dark); }
.cs-evidence table { width: 100%; border-collapse: collapse; background: #fff; }
.cs-evidence th, .cs-evidence td { text-align: left; vertical-align: top; border-top: 1px solid var(--line); padding: .55rem .7rem; font-size: .82rem; }
.cs-evidence th { width: 112px; color: var(--mid-gray); font-weight: 800; background: #fbfaf7; }
.cs-severity-matrix, .cs-response-lab, .cs-ticket-builder { display: grid; gap: .9rem; }
.cs-severity-case, .cs-incident-card, .cs-ticket-template { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1rem; }
.cs-severity-case { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 1rem; }
.cs-severity-case p, .cs-incident-card p, .cs-ticket-template p { margin: .25rem 0 0; color: var(--mid-gray); font-size: .9rem; line-height: 1.55; }
.cs-impact-row { display: flex; flex-wrap: wrap; gap: .45rem; margin-top: .6rem; }
.cs-impact-row span { display: inline-flex; border-radius: var(--pill); background: var(--amber-light); color: #7a4d00; padding: .16rem .6rem; font-size: .74rem; font-weight: 800; }
.cs-action-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .65rem; }
.cs-action-pick { display: flex; gap: .65rem; align-items: flex-start; min-height: 64px; padding: .8rem; border: 1.5px solid var(--line); border-radius: var(--r); background: #fff; cursor: pointer; transition: border-color .15s, background .15s; }
.cs-action-pick:hover { border-color: rgba(45,106,106,.35); }
.cs-action-pick:has(input:checked) { background: var(--teal-light); border-color: var(--teal); }
.cs-action-pick input { margin-top: .25rem; accent-color: var(--teal); }
.cs-action-pick span { font-weight: 800; line-height: 1.35; }
.cs-ticket-field { display: grid; gap: .4rem; }
.cs-ticket-field span { font-weight: 800; color: var(--teal-dark); }
.cs-ticket-field textarea { width: 100%; border: 1.5px solid var(--line); border-radius: var(--r); padding: .85rem; font: 500 .95rem var(--font-body); background: #fff; resize: vertical; min-height: 86px; }
.cs-ticket-field textarea:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 3px rgba(45,106,106,.1); }
@media (max-width: 760px) {
  .cs-severity-case { grid-template-columns: 1fr; }
  .cs-severity-case .cs-choice-row { justify-content: flex-start; }
}

/* Professional mission evidence packs ----------------------------------- */
.cs-evidence-pack { display: grid; gap: 1rem; }
.cs-evidence-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: .85rem; }
.cs-evidence-card { display: grid; gap: .75rem; align-content: start; background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 1rem; box-shadow: var(--sh-sm); }
.cs-evidence-card > div:first-child span { display: inline-flex; border-radius: var(--pill); background: var(--teal-light); color: var(--teal-dark); padding: .14rem .55rem; font-size: .7rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.cs-evidence-card h3 { margin: .45rem 0 .15rem; }
.cs-evidence-card p { margin: 0; color: var(--mid-gray); font-size: .9rem; line-height: 1.55; }
.cs-evidence-card table { width: 100%; border-collapse: collapse; background: #fff; }
.cs-evidence-card th, .cs-evidence-card td { text-align: left; vertical-align: top; border-top: 1px solid var(--line); padding: .45rem .5rem; font-size: .8rem; }
.cs-evidence-card th { width: 34%; color: var(--mid-gray); font-weight: 800; }
.cs-evidence-meaning { border-left: 4px solid var(--amber); background: var(--amber-light); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: .7rem .8rem; }
.cs-evidence-meaning b { display: block; color: #7a4d00; margin-bottom: .15rem; }
.cs-lab-list-card .ico { font-size: .9rem; font-weight: 900; color: var(--teal-dark); background: var(--teal-light); border-radius: var(--r-sm); padding: .35rem .5rem; }

/* Cybersecurity career pathway ------------------------------------------ */
.strand-spotlight { display: block; margin: 1.2rem 0 1.4rem; padding: clamp(1.1rem, 3vw, 1.55rem); text-decoration: none; color: inherit; background: linear-gradient(135deg, #fffdf9, #eef8f7); border-color: rgba(45,106,106,.22); }
.strand-spotlight:hover { transform: translateY(-2px); box-shadow: var(--sh-lift); }
.strand-spotlight > span { display: inline-flex; align-items: center; min-height: 28px; padding: .18rem .7rem; border-radius: var(--pill); background: var(--teal-light); color: var(--teal-dark); font-size: .74rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.strand-spotlight h2 { margin: .65rem 0 .35rem; font-size: clamp(1.45rem, 3vw, 2.1rem); max-width: 18ch; }
.strand-spotlight p { margin: 0; max-width: 76ch; color: var(--mid-gray); line-height: 1.65; }
.strand-spotlight b { display: inline-flex; margin-top: .85rem; color: var(--teal-dark); }
.career-hero { background: linear-gradient(145deg, var(--ink), #143941 56%, #3a4439); color: #fff; }
.career-hero .wrap { padding-top: 4.4rem; padding-bottom: 3.4rem; }
.career-hero h1 { color: #fff; max-width: 17ch; margin: .18rem 0 .8rem; font-size: clamp(2.3rem, 6vw, 4.6rem); }
.career-hero .lede { color: rgba(255,255,255,.84); max-width: 68ch; font-size: 1.08rem; line-height: 1.7; }
.career-hero .crumbs, .career-hero .crumbs a { color: rgba(255,255,255,.68); }
.career-band { display: grid; grid-template-columns: minmax(260px, .8fr) minmax(320px, 1.2fr); gap: 1rem; align-items: start; margin: 1.6rem 0 1.8rem; padding: 1.2rem; border: 1px solid var(--line-soft); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--sh-sm); }
.career-band h2 { margin-top: .1rem; }
.career-anchor-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: .75rem; margin: .7rem 0 1.6rem; }
.career-anchor-grid > div { min-height: 112px; padding: .95rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; }
.career-anchor-grid b { display: block; color: var(--teal-dark); margin-bottom: .35rem; }
.career-anchor-grid span { display: block; color: var(--mid-gray); line-height: 1.55; font-size: .9rem; }
.career-module-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(255px, 1fr)); gap: .85rem; margin: .75rem 0 1.8rem; }
.career-module { display: grid; align-content: start; gap: .6rem; min-height: 256px; padding: 1rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; box-shadow: var(--sh-sm); }
.career-module > span { justify-self: start; border-radius: var(--pill); padding: .16rem .6rem; background: var(--amber-light); color: #7a4d00; font-size: .72rem; font-weight: 900; }
.career-module h3 { margin: 0; font-size: 1.05rem; line-height: 1.3; }
.career-module ul { margin: 0; padding-left: 1.05rem; color: var(--mid-gray); font-size: .88rem; line-height: 1.5; }
.career-module b { align-self: end; display: block; margin-top: .25rem; color: var(--teal-dark); font-size: .86rem; line-height: 1.45; }
.career-mission-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: .75rem; margin: .75rem 0 1.8rem; }
.career-mission { display: grid; gap: .42rem; min-height: 154px; align-content: start; padding: .95rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; color: inherit; text-decoration: none; box-shadow: var(--sh-sm); transition: transform .18s, box-shadow .18s, border-color .18s; }
.career-mission:hover { transform: translateY(-2px); box-shadow: var(--sh-lift); border-color: rgba(45,106,106,.32); }
.career-mission span { color: var(--mid-gray); font-size: .76rem; font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
.career-mission b { color: var(--ink); line-height: 1.35; }
.career-mission small { color: var(--mid-gray); line-height: 1.45; }
.career-anchor-grid.rubric > div { min-height: 96px; background: var(--warm-white); }
@media (max-width: 760px) {
  .career-band { grid-template-columns: 1fr; }
  .career-hero .wrap { padding-top: 3.4rem; padding-bottom: 2.6rem; }
  .career-module { min-height: 0; }
}
/* Career module detail density ------------------------------------------ */
.career-module { min-height: 0; }
.career-module-grid { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.career-module-block { display: grid; gap: .28rem; }
.career-module-block b { color: var(--teal-dark); font-size: .78rem; }
.career-module-block ul { margin: 0; padding-left: 1.05rem; color: var(--mid-gray); font-size: .84rem; line-height: 1.45; }
.career-tool-row { display: flex; flex-wrap: wrap; gap: .35rem; margin: .1rem 0; }
.career-tool-row small { display: inline-flex; align-items: center; min-height: 24px; padding: .12rem .5rem; border: 1px solid var(--line-soft); border-radius: var(--pill); background: var(--teal-light); color: var(--teal-dark); font-size: .72rem; font-weight: 800; }
.career-module strong { align-self: end; display: block; margin-top: .2rem; padding-top: .65rem; border-top: 1px solid var(--line-soft); color: var(--teal-dark); font-size: .86rem; line-height: 1.45; }
@media (max-width: 760px) { .career-module-grid { grid-template-columns: 1fr; } }

/* Career pathway assessment evidence ------------------------------------ */
.career-two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: start; margin: .75rem 0 1.8rem; }
.career-two-col h2 { margin-top: 0; }
.career-two-col .career-anchor-grid { margin-bottom: 0; }
@media (max-width: 900px) { .career-two-col { grid-template-columns: 1fr; } }

/* Career route specialisations ------------------------------------------ */
.career-core { display: grid; grid-template-columns: minmax(260px, .9fr) minmax(320px, 1.1fr); gap: 1rem; align-items: start; margin: .9rem 0 1.8rem; padding: 1.15rem; border: 1px solid rgba(45,106,106,.2); border-radius: var(--r-lg); background: linear-gradient(135deg, #fffdf9, #eef8f7); box-shadow: var(--sh-sm); }
.career-core h2 { margin: .15rem 0 .35rem; }
.career-core b { display: block; margin: .25rem 0 .45rem; color: var(--teal-dark); font-size: .82rem; }
.career-route-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(285px, 1fr)); gap: .9rem; margin: .75rem 0 1.8rem; }
.career-route-card { display: grid; gap: .72rem; align-content: start; padding: 1rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; box-shadow: var(--sh-sm); }
.career-route-card > span { justify-self: start; border-radius: var(--pill); padding: .18rem .65rem; background: var(--teal-light); color: var(--teal-dark); font-size: .72rem; font-weight: 900; letter-spacing: .04em; text-transform: uppercase; }
.career-route-card p { margin: 0; color: var(--mid-gray); font-size: .9rem; line-height: 1.55; }
.career-route-block { display: grid; gap: .28rem; }
.career-route-block b { color: var(--teal-dark); font-size: .78rem; }
.career-route-block ul { margin: 0; padding-left: 1.05rem; color: var(--mid-gray); font-size: .84rem; line-height: 1.45; }
.career-route-block .career-tool-row { margin: 0; }
@media (max-width: 820px) { .career-core { grid-template-columns: 1fr; } }

.exercise-checklist {
  margin: .9rem 0 1rem;
  padding: .85rem 1rem;
  border: 1px solid var(--line-soft);
  border-left: 4px solid var(--teal);
  border-radius: var(--r);
  background: var(--surface);
}
.exercise-checklist strong { display: block; margin-bottom: .35rem; color: var(--teal-dark); }
.exercise-checklist ul { margin: .4rem 0 0 1.1rem; padding: 0; }
.exercise-checklist li { margin: .25rem 0; }
.exercise-walkthrough,
.exercise-stretch {
  margin: .75rem 0 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
}
.exercise-walkthrough summary,
.exercise-stretch summary {
  cursor: pointer;
  padding: .75rem .9rem;
  font-weight: 800;
  color: var(--charcoal);
}
.exercise-walkthrough ol,
.exercise-stretch p {
  margin: 0;
  padding: 0 1rem 1rem 2rem;
  color: var(--mid-gray);
  line-height: 1.65;
}
.exercise-walkthrough li { margin: .35rem 0; }

.case-pack-links {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  margin: .85rem 0 1rem;
}
.case-pack-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: .35rem .7rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: var(--surface);
  color: var(--charcoal);
  font-weight: 800;
  font-size: .82rem;
  text-decoration: none;
}
.case-pack-link:hover { border-color: var(--teal); color: var(--teal-dark); }
.case-pack-link.primary {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
}

/* Cybersecurity professional workbench ---------------------------------- */
.workbench-hero {
  background: linear-gradient(145deg, var(--ink), #163d3d 58%, #3f493d);
  color: #fff;
}
.workbench-hero .wrap { padding-top: 4.2rem; padding-bottom: 3.2rem; }
.workbench-hero h1 { color: #fff; max-width: 16ch; margin: .2rem 0 .75rem; font-size: clamp(2.25rem, 5.6vw, 4.25rem); }
.workbench-hero .lede { color: rgba(255,255,255,.84); max-width: 72ch; font-size: 1.06rem; line-height: 1.7; }
.workbench-hero .crumbs, .workbench-hero .crumbs a { color: rgba(255,255,255,.7); }
.workbench-actions { display: flex; flex-wrap: wrap; gap: .65rem; margin-top: 1.1rem; }
.workbench-band {
  display: grid;
  grid-template-columns: minmax(260px, .72fr) minmax(340px, 1.28fr);
  gap: 1rem;
  align-items: start;
  margin: 1.6rem 0 1.8rem;
  padding: 1.15rem;
  border: 1px solid rgba(45,106,106,.2);
  border-radius: var(--r-lg);
  background: linear-gradient(135deg, #fffdf9, #eef8f7);
  box-shadow: var(--sh-sm);
}
.workbench-band h2 { margin: .1rem 0 .35rem; }
.workbench-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: .75rem;
}
.workbench-grid article {
  min-height: 108px;
  padding: .9rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
}
.workbench-grid b { display: block; margin-bottom: .32rem; color: var(--teal-dark); }
.workbench-grid span { display: block; color: var(--mid-gray); font-size: .9rem; line-height: 1.55; }
.workbench-grid.compact article { min-height: 86px; background: var(--warm-white); }
.workbench-spine {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(165px, 1fr));
  gap: .6rem;
  margin: .75rem 0 1.8rem;
}
.workbench-spine-step {
  display: grid;
  gap: .36rem;
  align-content: start;
  min-height: 150px;
  padding: .85rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.workbench-spine-step span {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-weight: 900;
  font-size: .78rem;
}
.workbench-spine-step b { color: var(--ink); line-height: 1.25; }
.workbench-spine-step small { color: var(--mid-gray); line-height: 1.45; }
.workbench-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  align-items: start;
  margin: .8rem 0 1.8rem;
}
.workbench-card-list { display: grid; gap: .75rem; }
.workbench-card {
  display: grid;
  gap: .45rem;
  padding: .95rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  color: inherit;
  text-decoration: none;
  box-shadow: var(--sh-sm);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.workbench-card:hover { transform: translateY(-2px); box-shadow: var(--sh-lift); border-color: rgba(45,106,106,.34); }
.workbench-card.emphasis { border-left: 4px solid var(--amber); }
.workbench-card > span {
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.workbench-card h3 { margin: 0; font-size: 1rem; line-height: 1.32; }
.workbench-card p { margin: 0; color: var(--mid-gray); font-size: .86rem; }
.workbench-card ul, .workbench-route ul { margin: .1rem 0 0 1rem; padding: 0; color: var(--mid-gray); font-size: .84rem; line-height: 1.45; }
.workbench-route-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(285px, 1fr));
  gap: .85rem;
  margin: .75rem 0 1.8rem;
}
.workbench-route {
  display: grid;
  gap: .65rem;
  align-content: start;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.workbench-route > span {
  justify-self: start;
  min-height: 24px;
  padding: .16rem .6rem;
  border-radius: var(--pill);
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 900;
  text-transform: uppercase;
}
.workbench-route h3 { margin: 0; font-size: 1.04rem; }
.workbench-route b { color: var(--teal-dark); font-size: .78rem; }
.workbench-tags { display: flex; flex-wrap: wrap; gap: .35rem; }
.workbench-tags small {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .12rem .48rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  background: var(--surface);
  color: var(--mid-gray);
  font-size: .72rem;
  font-weight: 800;
}
.workbench-template-list { display: grid; gap: .55rem; }
.workbench-template {
  display: grid;
  gap: .22rem;
  padding: .8rem .9rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  color: inherit;
  text-decoration: none;
}
.workbench-template b { color: var(--teal-dark); }
.workbench-template span { color: var(--mid-gray); font-size: .88rem; line-height: 1.45; }
.workbench-table-wrap { overflow-x: auto; margin: .75rem 0 2.4rem; border: 1px solid var(--line-soft); border-radius: var(--r); background: #fff; box-shadow: var(--sh-sm); }
.workbench-table { width: 100%; border-collapse: collapse; min-width: 760px; }
.workbench-table th, .workbench-table td { padding: .78rem .85rem; border-bottom: 1px solid var(--line-soft); text-align: left; vertical-align: top; }
.workbench-table th { background: var(--surface); color: var(--teal-dark); font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.workbench-table td { color: var(--mid-gray); font-size: .88rem; line-height: 1.45; }
.workbench-table td:first-child { width: 42px; color: var(--teal-dark); font-weight: 900; }
.workbench-table td b { display: block; color: var(--ink); }
.workbench-table td span { display: block; margin-top: .16rem; color: var(--teal-dark); font-size: .76rem; font-weight: 800; }
@media (max-width: 900px) {
  .workbench-band,
  .workbench-two-col { grid-template-columns: 1fr; }
  .workbench-hero .wrap { padding-top: 3.3rem; padding-bottom: 2.45rem; }
}

/* Cyber lab investigation workbooks -------------------------------------- */
.cs-workbook {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}
.cs-workbook-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-left: 5px solid var(--teal);
  border-radius: var(--r);
  background: #fff;
}
.cs-workbook-head h3 { margin: 0 0 .25rem; }
.cs-workbook-head p { margin: 0; color: var(--mid-gray); line-height: 1.55; }
.cs-workbook-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
}
.cs-workbook-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}
.cs-workbook-table th,
.cs-workbook-table td {
  padding: .65rem .72rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: .82rem;
  line-height: 1.45;
}
.cs-workbook-table th {
  background: var(--surface);
  color: var(--teal-dark);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.cs-workbook-table td { color: var(--mid-gray); }
.cs-workbook-tasks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: .8rem;
}
.cs-workbook-task {
  display: grid;
  gap: .38rem;
  align-content: start;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.cs-workbook-task span {
  color: var(--teal-dark);
  font-weight: 900;
  line-height: 1.3;
}
.cs-workbook-task small {
  color: var(--mid-gray);
  line-height: 1.45;
}
.cs-workbook-task textarea {
  width: 100%;
  min-height: 118px;
  resize: vertical;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  padding: .75rem;
  background: var(--warm-white);
  font: 500 .92rem var(--font-body);
}
.cs-workbook-task textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(45,106,106,.1);
}
@media (max-width: 760px) {
  .cs-workbook-head { display: grid; }
  .cs-workbook-tasks { grid-template-columns: 1fr; }
}

/* Cyber lab interactive consoles ---------------------------------------- */
.cs-console {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}
.cs-console-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
  padding: 1rem;
  border: 1px solid var(--line);
  border-left: 5px solid var(--amber);
  border-radius: var(--r);
  background: #fff;
}
.cs-console-head span {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  padding: .12rem .55rem;
  border-radius: var(--pill);
  background: var(--amber-light);
  color: #7a4d00;
  font-size: .72rem;
  font-weight: 900;
  text-transform: uppercase;
}
.cs-console-head h3 { margin: .45rem 0 .2rem; }
.cs-console-head p { margin: 0; color: var(--mid-gray); line-height: 1.55; }
.cs-console-grid {
  display: grid;
  grid-template-columns: minmax(235px, .82fr) minmax(320px, 1.18fr);
  gap: .9rem;
  align-items: stretch;
}
.cs-console-commands,
.cs-console-output {
  display: grid;
  gap: .6rem;
  align-content: start;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.cs-console-output h4 { margin: 0; color: var(--teal-dark); }
.cs-console-command {
  display: grid;
  gap: .18rem;
  min-height: 66px;
  padding: .7rem .8rem;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--warm-white);
  color: var(--charcoal);
  text-align: left;
  cursor: pointer;
  transition: border-color .16s, box-shadow .16s, transform .16s;
}
.cs-console-command:hover { border-color: rgba(45,106,106,.35); transform: translateY(-1px); }
.cs-console-command.on { border-color: var(--teal); background: var(--teal-light); }
.cs-console-command span { color: var(--teal-dark); font-weight: 900; }
.cs-console-command small { color: var(--mid-gray); line-height: 1.35; }
.cs-console-result {
  display: grid;
  gap: .65rem;
}
.cs-console-result > span { color: var(--teal-dark); font-weight: 900; }
.cs-console-result code {
  display: block;
  white-space: normal;
  padding: .55rem .65rem;
  border-radius: var(--r-sm);
  background: #132a2d;
  color: #e8fff8;
  font-size: .82rem;
}
.cs-console-result ul { margin: 0 0 0 1rem; padding: 0; color: var(--mid-gray); line-height: 1.45; }
.cs-console-result p { margin: 0; color: var(--mid-gray); line-height: 1.55; }
.cs-console-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
}
.cs-console-table {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: #fff;
}
.cs-console-table th,
.cs-console-table td {
  padding: .52rem .58rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  font-size: .8rem;
  line-height: 1.4;
}
.cs-console-table th { background: var(--surface); color: var(--teal-dark); font-weight: 900; }
.cs-console-table td { color: var(--mid-gray); }
.cs-console-note {
  display: grid;
  gap: .35rem;
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
}
.cs-console-note span { color: var(--teal-dark); font-weight: 900; }
.cs-console-note small { color: var(--mid-gray); line-height: 1.45; }
.cs-console-note textarea {
  width: 100%;
  min-height: 108px;
  resize: vertical;
  border: 1.5px solid var(--line);
  border-radius: var(--r-sm);
  padding: .75rem;
  background: var(--warm-white);
  font: 500 .92rem var(--font-body);
}
.cs-console-note textarea:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(45,106,106,.1);
}
@media (max-width: 860px) {
  .cs-console-head,
  .cs-console-grid { grid-template-columns: 1fr; display: grid; }
}

/* Security professional lesson depth blocks ------------------------------ */
.lesson-depth-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: .85rem;
  margin: 1rem 0;
}
.lesson-depth-grid > div {
  padding: .9rem;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: #fff;
}
.lesson-depth-grid strong {
  display: block;
  margin-bottom: .4rem;
  color: var(--teal-dark);
}
.lesson-depth-grid p,
.lesson-depth-grid ul,
.lesson-depth-grid ol {
  margin-top: .35rem;
  margin-bottom: 0;
}
.lesson-depth-grid li {
  margin-bottom: .28rem;
}

/* Clickable cybersecurity pathway cards ---------------------------------- */
.career-card-main {
  display: grid;
  gap: .72rem;
  color: inherit;
  text-decoration: none;
}
.career-card-main > span {
  justify-self: start;
  border-radius: var(--pill);
  padding: .18rem .65rem;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.career-card-main > strong,
.career-module > strong {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: .35rem;
  margin-top: .2rem;
  padding-top: .65rem;
  border-top: 1px solid var(--line-soft);
  color: var(--teal-dark);
  font-size: .86rem;
  line-height: 1.45;
}
.career-card-main > strong::after,
.career-module > strong::after { content: '>'; }
.career-route-card:has(.career-card-main:hover),
.career-module:hover {
  border-color: rgba(45,106,106,.35);
  box-shadow: var(--sh-lift);
  transform: translateY(-2px);
}
.career-route-card,
.career-module { transition: transform .18s, box-shadow .18s, border-color .18s; }
.career-module { color: inherit; text-decoration: none; }
.career-tool-row a,
.career-lesson-links a {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .12rem .5rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 800;
  text-decoration: none;
}
.career-tool-row a:hover,
.career-lesson-links a:hover {
  border-color: var(--teal);
  background: #fff;
}
.career-lesson-links {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding-top: .25rem;
}
.career-card-main:focus-visible,
.career-module:focus-visible,
.career-tool-row a:focus-visible,
.career-lesson-links a:focus-visible {
  outline: 3px solid rgba(45,106,106,.24);
  outline-offset: 3px;
}

/* Cybersecurity route learning areas ------------------------------------- */
.route-hero {
  background: linear-gradient(145deg, var(--ink), #173d42 58%, #3b473b);
  color: #fff;
}
.route-hero .wrap { padding-top: 4.2rem; padding-bottom: 3.15rem; }
.route-hero h1 { color: #fff; max-width: 20ch; margin: .18rem 0 .75rem; font-size: clamp(2.2rem, 5.8vw, 4.35rem); }
.route-hero .lede { color: rgba(255,255,255,.84); max-width: 76ch; font-size: 1.06rem; line-height: 1.7; }
.route-hero .crumbs, .route-hero .crumbs a { color: rgba(255,255,255,.7); }
.route-overview {
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(320px, 1.1fr);
  gap: 1rem;
  margin: 1.3rem 0 1.8rem;
}
.route-overview section,
.route-deep-grid article,
.route-two-col > section {
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.route-overview ul,
.route-deep-grid ul,
.route-two-col ul,
.route-module-card ul { margin: .45rem 0 0 1.05rem; padding: 0; color: var(--mid-gray); line-height: 1.5; }
.route-overview p:last-child { margin-bottom: 0; color: var(--mid-gray); line-height: 1.6; }
.route-deep-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: .9rem;
  margin: .8rem 0 1.8rem;
}
.route-deep-grid b,
.route-two-col b { display: block; color: var(--teal-dark); margin-bottom: .35rem; }
.route-module-grid,
.route-lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: .85rem;
  margin: .75rem 0 1.8rem;
}
.route-module-card,
.route-lab-card {
  display: grid;
  gap: .5rem;
  align-content: start;
  min-height: 205px;
  padding: 1rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  color: inherit;
  text-decoration: none;
  box-shadow: var(--sh-sm);
  transition: transform .18s, box-shadow .18s, border-color .18s;
}
.route-module-card:hover,
.route-lab-card:hover { transform: translateY(-2px); box-shadow: var(--sh-lift); border-color: rgba(45,106,106,.35); }
.route-module-card > span,
.route-lab-card > span {
  justify-self: start;
  border-radius: var(--pill);
  padding: .16rem .58rem;
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 900;
}
.route-module-card h3,
.route-lab-card h3 { margin: 0; font-size: 1.04rem; line-height: 1.3; }
.route-module-card p,
.route-lab-card p { margin: 0; color: var(--mid-gray); font-size: .88rem; line-height: 1.5; }
.route-module-card strong { align-self: end; color: var(--teal-dark); }
.route-two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 2.4rem;
}
.route-chip-row { display: flex; flex-wrap: wrap; gap: .38rem; margin: .45rem 0 0; }
.route-chip-row span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .12rem .55rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--pill);
  background: var(--teal-light);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 800;
}
@media (max-width: 860px) {
  .route-overview,
  .route-two-col { grid-template-columns: 1fr; }
  .route-hero .wrap { padding-top: 3.3rem; padding-bottom: 2.45rem; }
}

/* Game Development Studio ----------------------------------------------- */
.gd-hero,
.gd-studio-hero {
  background: linear-gradient(145deg, #17282e, #22484a 55%, #4a4432);
  color: #fff;
}
.gd-hero .wrap,
.gd-studio-hero .wrap { padding-top: 4.4rem; padding-bottom: 3.3rem; }
.gd-hero h1,
.gd-studio-hero h1 { color: #fff; max-width: 17ch; margin: .15rem 0 .8rem; font-size: clamp(2.35rem, 6vw, 4.6rem); }
.gd-hero .lede,
.gd-studio-hero .lede { color: rgba(255,255,255,.84); max-width: 76ch; font-size: 1.08rem; line-height: 1.7; }
.gd-hero .crumbs,
.gd-hero .crumbs a,
.gd-studio-hero .crumbs,
.gd-studio-hero .crumbs a { color: rgba(255,255,255,.7); }
.gd-principles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: .8rem;
  margin: 1.3rem 0 1.8rem;
}
.gd-principles article,
.gd-arc-card,
.gd-session-card,
.gd-sidebar,
.gd-playbench,
.gd-two-col article,
.gd-ai-panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--r);
  background: #fff;
  box-shadow: var(--sh-sm);
}
.gd-principles article { padding: 1rem; }
.gd-principles b,
.gd-arc-card > span,
.gd-session-card > span,
.gd-sidebar b,
.gd-control-panel b,
.gd-ai-card { color: var(--teal-dark); font-weight: 900; }
.gd-principles span { display: block; color: var(--mid-gray); line-height: 1.5; margin-top: .22rem; }
.gd-arc-grid,
.gd-session-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: .85rem;
  margin: .75rem 0 1.8rem;
}
.gd-arc-card,
.gd-session-card {
  display: grid;
  gap: .55rem;
  align-content: start;
  min-height: 165px;
  padding: 1rem;
  color: inherit;
  text-decoration: none;
}
.gd-session-card { min-height: 220px; transition: transform .18s, box-shadow .18s, border-color .18s; }
.gd-session-card:hover { transform: translateY(-2px); box-shadow: var(--sh-lift); border-color: rgba(45,106,106,.35); }
.gd-arc-card > span,
.gd-session-card > span {
  justify-self: start;
  border-radius: var(--pill);
  padding: .16rem .58rem;
  background: var(--teal-light);
  font-size: .72rem;
}
.gd-arc-card h3,
.gd-session-card h3 { margin: 0; font-size: 1.08rem; line-height: 1.3; }
.gd-session-card p { margin: 0; color: var(--mid-gray); font-size: .9rem; line-height: 1.5; }
.gd-session-strip,
.gd-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
}
.gd-session-strip a,
.gd-chip-row span {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: .12rem .5rem;
  border-radius: var(--pill);
  border: 1px solid var(--line-soft);
  background: var(--surface);
  color: var(--teal-dark);
  font-size: .72rem;
  font-weight: 800;
}
.gd-studio-layout {
  display: grid;
  grid-template-columns: minmax(230px, 285px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}
.gd-sidebar {
  position: sticky;
  top: 92px;
  display: grid;
  gap: .75rem;
  padding: 1rem;
}
.gd-sidebar p { margin: 0; color: var(--mid-gray); line-height: 1.55; }
.gd-nav-links { display: flex; justify-content: space-between; gap: .5rem; padding-top: .5rem; border-top: 1px solid var(--line-soft); }
.gd-nav-links a { font-weight: 900; color: var(--teal-dark); }
.gd-main { display: grid; gap: 1rem; min-width: 0; }
.gd-playbench { display: grid; grid-template-columns: minmax(0, 1fr) minmax(245px, .34fr); gap: .9rem; padding: .9rem; }
.gd-canvas-wrap {
  min-width: 0;
  overflow: hidden;
  border-radius: var(--r);
  background: #10282b;
  border: 1px solid rgba(255,255,255,.12);
}
#gd-canvas { display: block; width: 100%; aspect-ratio: 16 / 9; height: auto; background: #10282b; outline: none; }
.gd-control-panel { display: grid; gap: .8rem; align-content: start; }
.gd-control-panel span { display: block; color: var(--mid-gray); font-size: .86rem; line-height: 1.45; margin-top: .12rem; }
.gd-controls { display: grid; gap: .6rem; }
.gd-controls label { display: grid; grid-template-columns: 1fr auto; gap: .35rem .6rem; align-items: center; }
.gd-controls label span { margin: 0; color: var(--charcoal); font-weight: 800; }
.gd-controls input { grid-column: 1 / -1; width: 100%; accent-color: var(--teal); }
.gd-controls b { font-family: var(--font-mono); color: var(--teal-dark); }
.gd-two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.gd-two-col article,
.gd-ai-panel { padding: 1rem; }
.gd-two-col h2,
.gd-ai-panel h2 { margin-top: 0; }
.gd-two-col ul { margin: .4rem 0 0 1.05rem; padding: 0; color: var(--mid-gray); line-height: 1.5; }
.gd-checklist { display: grid; gap: .5rem; }
.gd-checklist label { display: flex; gap: .55rem; align-items: flex-start; padding: .55rem .6rem; border: 1px solid var(--line-soft); border-radius: var(--r-sm); background: var(--surface); }
.gd-checklist input { margin-top: .25rem; accent-color: var(--teal); }
.gd-ai-panel { display: grid; grid-template-columns: minmax(240px, 1fr) repeat(3, minmax(160px, .7fr)); gap: .8rem; align-items: stretch; }
.gd-ai-panel p { margin: 0; }
.gd-ai-card { display: grid; align-content: center; padding: .85rem; border: 1px solid var(--line-soft); border-radius: var(--r-sm); background: var(--teal-light); line-height: 1.45; }
@media (max-width: 980px) {
  .gd-studio-layout,
  .gd-playbench,
  .gd-two-col,
  .gd-ai-panel { grid-template-columns: 1fr; }
  .gd-sidebar { position: static; }
}

/* Game Development Studio depth upgrade */
.gd-session-card.is-3d { border-color: rgba(106,169,255,.35); background: linear-gradient(180deg, #ffffff 0%, #f3f8ff 100%); }
.gd-arc-card p { margin: .45rem 0 0; color: var(--mid-gray); line-height: 1.45; font-size: .9rem; }
.gd-studio-hero.is-3d { background: radial-gradient(circle at 70% 20%, rgba(106,169,255,.28), transparent 34%), linear-gradient(135deg, #07151c 0%, #143b3c 52%, #241c38 100%); }
.gd-playbench.is-3d { border: 0; box-shadow: none; background: transparent; padding: 0; grid-template-columns: minmax(0, 1fr) minmax(245px, .28fr); }
.gd-canvas-wrap.is-3d { border-radius: 0; border: 0; box-shadow: none; min-height: clamp(360px, 58vh, 620px); }
.gd-canvas-wrap.is-3d #gd-canvas { min-height: clamp(360px, 58vh, 620px); background: #07151c; }
.gd-studio-deep { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.gd-studio-deep article { padding: 1rem; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: var(--card); box-shadow: var(--sh-card); }
.gd-studio-deep h2 { margin-top: 0; font-size: 1.05rem; }
.gd-studio-deep ul { margin: .45rem 0 0 1.05rem; padding: 0; color: var(--mid-gray); line-height: 1.55; }
.gd-deliverable { margin: .8rem 0 0; padding: .75rem; border-left: 4px solid var(--gold); background: #fff8e8; color: var(--charcoal); font-weight: 800; line-height: 1.45; }
.gd-session-card p b { color: var(--charcoal); }
@media (max-width: 900px) {
  .gd-studio-deep,
  .gd-playbench.is-3d { grid-template-columns: 1fr; }
  .gd-canvas-wrap.is-3d,
  .gd-canvas-wrap.is-3d #gd-canvas { min-height: 320px; }
}

.gd-engine-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 1rem; margin: .8rem 0 1.4rem; }
.gd-engine-card { padding: 1rem; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: #fff; box-shadow: var(--sh-card); display: grid; gap: .65rem; align-content: start; }
.gd-engine-card > span { color: var(--teal-dark); font-weight: 900; text-transform: uppercase; letter-spacing: .04em; font-size: .78rem; }
.gd-engine-card h3 { margin: 0; font-size: .98rem; line-height: 1.35; }
.gd-engine-card p { margin: 0; color: var(--mid-gray); line-height: 1.5; font-size: .9rem; }
@media (max-width: 1120px) { .gd-engine-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .gd-engine-grid { grid-template-columns: 1fr; } }

.gd-lesson-content { padding: 1.1rem; border: 1px solid rgba(45,106,106,.18); border-radius: var(--r-md); background: linear-gradient(180deg, #ffffff 0%, #f8fbfa 100%); box-shadow: var(--sh-card); }
.gd-lesson-head { max-width: 82ch; margin-bottom: 1rem; }
.gd-lesson-head h2 { margin: .1rem 0 .35rem; font-size: 1.35rem; }
.gd-lesson-head p:not(.eyebrow) { margin: 0; color: var(--mid-gray); line-height: 1.6; }
.gd-lesson-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.gd-lesson-grid article { position: relative; padding: 1rem 1rem 1rem 3.1rem; border: 1px solid var(--line-soft); border-radius: var(--r-md); background: var(--surface); min-height: 190px; }
.gd-lesson-grid article > span { position: absolute; left: 1rem; top: 1rem; display: grid; place-items: center; width: 1.55rem; height: 1.55rem; border-radius: 50%; background: var(--teal); color: #fff; font-weight: 900; font-size: .82rem; }
.gd-lesson-grid h3 { margin: 0 0 .45rem; font-size: 1.02rem; }
.gd-lesson-grid ul { margin: .35rem 0 0 1.05rem; padding: 0; color: var(--mid-gray); line-height: 1.55; }
.gd-dense-checklist { gap: .4rem; }
.gd-dense-checklist label { padding: .45rem .5rem; font-size: .92rem; }
@media (max-width: 900px) { .gd-lesson-grid { grid-template-columns: 1fr; } .gd-lesson-grid article { min-height: 0; } }