@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');
:root{--bg:#f8f6f1;--ink:#1d1c1d;--muted:#6b676d;--purple:#4a154b;--aub:#350d36;--green:#2eb67d;--red:#e01e5a;--line:#ded9e2;--shadow:0 24px 70px rgba(54,13,55,.16);--r:28px}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:radial-gradient(circle at 10% 10%,rgba(54,197,240,.18),transparent 26%),radial-gradient(circle at 90% 8%,rgba(224,30,90,.12),transparent 28%),var(--bg)}button{font:inherit}.app{max-width:1280px;margin:auto;padding:28px}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:28px;margin-bottom:28px}.card{background:rgba(255,255,255,.88);border:1px solid rgba(74,21,75,.12);border-radius:var(--r);box-shadow:var(--shadow);backdrop-filter:blur(16px)}.intro,.score{padding:44px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;color:var(--purple);font-size:12px;font-weight:900}h1{font-size:clamp(68px,8vw,112px);line-height:.88;letter-spacing:-.085em;margin:18px 0 28px;font-weight:900}h2{font-size:48px;line-height:1;letter-spacing:-.055em;margin:0 0 18px;font-weight:900}h3{font-size:24px;line-height:1.12;letter-spacing:-.03em;margin:0 0 10px}p{color:var(--muted);font-size:18px;line-height:1.7}.btn{border:0;border-radius:999px;padding:14px 22px;font-weight:850;font-size:16px;cursor:pointer}.btn:hover{transform:translateY(-1px)}.primary{background:var(--purple);color:white}.ghost{background:#f0ebf2;color:var(--purple)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.score{display:flex;flex-direction:column;justify-content:space-between}.ring{width:170px;height:170px;border-radius:50%;margin:24px auto 0;background:conic-gradient(var(--green) calc(var(--p)*1%),#ece4ee 0);display:grid;place-items:center;position:relative}.ring:after{content:"";position:absolute;width:128px;height:128px;border-radius:50%;background:white}.ring b{z-index:1;font-size:42px;color:var(--purple)}.layout{display:grid;grid-template-columns:320px 1fr;gap:28px}.nav{position:sticky;top:20px;align-self:start;padding:14px}.nav button{width:100%;text-align:left;margin:6px 0;padding:16px 18px;border:0;border-radius:18px;background:transparent;color:var(--muted);font-weight:800;font-size:16px;cursor:pointer}.nav button.active{background:var(--purple);color:white}.section{display:none;padding:44px;min-height:420px}.section.active{display:block}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}.tile,.quiz{background:white;border:1px solid var(--line);border-radius:22px;padding:24px}.emoji{font-size:42px;margin-bottom:14px}.takeaway{margin-top:22px;background:#f6f0f7;color:var(--purple);border-radius:20px;padding:18px;font-weight:850;line-height:1.6}.timeline{display:grid;gap:14px;margin-top:28px}.step{display:grid;grid-template-columns:44px 1fr;gap:14px}.num{height:44px;border-radius:15px;background:var(--purple);color:white;display:grid;place-items:center;font-weight:900}.workspace{display:grid;grid-template-columns:230px 1fr;border:1px solid var(--line);border-radius:24px;overflow:hidden;background:white;margin-top:24px;min-height:500px}.side{background:var(--aub);color:white;padding:18px}.chan{padding:10px;border-radius:12px;color:rgba(255,255,255,.75);cursor:pointer;font-weight:750}.chan.active,.chan:hover{background:rgba(255,255,255,.14);color:white}.chat{display:flex;flex-direction:column}.chat-head,.composer{padding:18px;border-bottom:1px solid var(--line)}.composer{border-top:1px solid var(--line);border-bottom:0;background:#fbfafb}.messages{padding:20px;display:grid;gap:18px;flex:1}.msg{display:grid;grid-template-columns:42px 1fr;gap:12px}.avatar{height:42px;width:42px;border-radius:12px;background:var(--purple);color:white;display:grid;place-items:center;font-weight:900}.meta{font-weight:900}.meta small{color:var(--muted);font-weight:600;margin-left:6px}.thread{display:inline-block;margin-top:7px;border:1px solid #d4c7da;color:var(--purple);border-radius:999px;padding:5px 9px;font-weight:800;font-size:13px}.reactions{display:flex;gap:8px;margin-top:8px;align-items:center}.reaction-pill{display:inline-flex;align-items:center;gap:6px;background:#1264a3;color:white;border-radius:999px;padding:5px 10px;font-weight:900;font-size:13px}.add-reaction{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:999px;background:#eee;border:0;color:#555;font-size:15px;cursor:pointer}.box{border:1px solid #cabed0;border-radius:16px;background:white;padding:14px;min-height:96px}.controls,.answers,.scenario-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:14px}.answer{border:1px solid var(--line);background:white;border-radius:15px;padding:14px;cursor:pointer;font-weight:750;text-align:left}.answer.correct{border-color:var(--green);background:rgba(46,182,125,.1)}.answer.wrong{border-color:var(--red);background:rgba(224,30,90,.08)}.feedback{display:none;margin-top:12px;background:#f6f0f7;color:var(--purple);border-radius:16px;padding:14px;font-weight:750}.feedback.show{display:block}.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.check{background:white;border:1px solid var(--line);border-radius:18px;padding:18px;cursor:pointer}.check.done{border-color:var(--green);background:rgba(46,182,125,.08)}.quiz-category-title{color:var(--purple);font-weight:900;margin:28px 0 12px;font-size:22px}.result-card{display:none;margin-top:24px;border-radius:22px;background:#f6f0f7;color:var(--purple);padding:22px;font-weight:900}.result-card.show{display:block}.toast{position:fixed;right:20px;bottom:20px;background:var(--purple);color:white;padding:12px 14px;border-radius:14px;opacity:0;transform:translateY(10px);transition:.2s;font-weight:800}.toast.show{opacity:1;transform:translateY(0)}a{color:var(--purple);font-weight:900}@media(max-width:900px){.app{padding:14px}.hero{grid-template-columns:1fr;gap:14px;margin-bottom:14px}.intro,.section{padding:24px}.score{display:none}h1{font-size:clamp(48px,16vw,72px);line-height:.9;margin:14px 0 18px}h2{font-size:34px;line-height:1.04}p{font-size:16px;line-height:1.6}.layout{grid-template-columns:1fr;gap:14px}.nav{position:sticky;top:0;z-index:20;padding:10px;display:flex;overflow-x:auto;gap:8px;border-radius:20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}.nav::-webkit-scrollbar{display:none}.nav button{flex:0 0 auto;width:auto;white-space:nowrap;margin:0;padding:10px 14px;font-size:14px;border-radius:999px;scroll-snap-align:start}.grid,.checklist{grid-template-columns:1fr;gap:14px}.tile,.quiz{padding:18px}.emoji{font-size:34px}.workspace{grid-template-columns:1fr;min-height:auto}.side{display:flex;gap:8px;overflow-x:auto;padding:12px}.side b{display:none}.chan{flex:0 0 auto;white-space:nowrap;font-size:14px}.controls,.answers,.scenario-row{display:grid;grid-template-columns:1fr;gap:8px}.btn,.answer{width:100%;text-align:center}.step{grid-template-columns:36px 1fr}.num{height:36px;width:36px}}@media(max-width:520px){.app{padding:10px}.card{border-radius:20px;box-shadow:0 10px 28px rgba(54,13,55,.10)}.intro,.section{padding:20px}h1{font-size:46px;letter-spacing:-.075em}h2{font-size:30px}.eyebrow{font-size:10px}.hero-actions{display:grid;grid-template-columns:1fr}.toast{left:12px;right:12px;bottom:12px;text-align:center}}