:root{--ink:#253d36;--muted:#758079;--paper:#f5f3ec;--line:#dedfd5;--green:#315e4d}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,a,input{ -webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;border:0;color:inherit;background:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #b67442;outline-offset:4px}header{max-width:1100px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:28px 32px}.brand{font-size:33px;font-weight:750;letter-spacing:-2px;text-decoration:none;color:var(--ink)}.brand span{color:#bf8052;font-size:40px;margin-left:5px}.avatar{border:1px solid var(--line);border-radius:30px;padding:9px 18px;font-size:13px}main{max-width:1040px;margin:24px auto 130px;padding:0 30px}h1{font-size:clamp(36px,5vw,60px);line-height:1.12;font-weight:500;letter-spacing:-2px;margin:15px 0 20px}h2{font-size:24px;line-height:1.25;font-weight:550;letter-spacing:-.6px}h3{font-size:20px;margin:10px 0}.eyebrow{font-size:11px;letter-spacing:2px;font-weight:650;text-transform:uppercase}.muted{color:var(--muted)}.intro{margin-bottom:35px}.hero{background:#e4e9dd;border:1px solid #d9dfd1;border-radius:28px;display:grid;grid-template-columns:1.1fr 1fr;overflow:hidden;min-height:330px}.hero-copy{padding:35px}.hero h2{font-size:34px;margin:20px 0 12px}.tag{border-radius:20px;background:#ffffff88;padding:6px 12px;font-size:12px;display:inline-block}.meta{font-size:13px;color:#647168;margin:20px 0}.primary{background:var(--green);color:white;padding:15px 24px;border-radius:14px;font-weight:600;display:inline-flex;gap:30px;align-items:center;justify-content:center}.primary:disabled{opacity:.5}.secondary{border:1px solid #cbd1c5;border-radius:12px;padding:12px 18px}.row{display:flex;gap:12px;align-items:center;justify-content:space-between}.section-title{margin-top:38px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.card{padding:22px;border:1px solid var(--line);border-radius:20px;text-align:left;display:block;width:100%;background:#faf9f4}.card:hover{border-color:#819b85}.card .num{font-size:11px;letter-spacing:2px}.card p{font-size:14px;color:var(--muted)}.peach{background:#f0e3d6}.sage{background:#e4e9dd}.lilac{background:#e9e5ed}.note{font-size:13px;color:var(--muted);margin-top:25px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0}.stat{padding:20px;background:#eeeee5;border-radius:18px}.stat strong{display:block;font-size:30px;font-weight:500}nav{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:#fffefaef;backdrop-filter:blur(14px);border:1px solid var(--line);box-shadow:0 6px 30px #203c3510;display:flex;border-radius:24px;padding:8px 18px;z-index:4}nav button{min-width:95px;padding:8px;font-size:19px}nav span{display:block;font-size:11px}nav .active{color:#ae6b40}.session{max-width:760px;margin:auto}.session h1{font-size:36px;letter-spacing:-1px}.track{height:4px;background:var(--line);border-radius:9px;margin:20px 0}.track div{height:100%;background:var(--green);border-radius:9px}.visual{background:#e7ebdf;border-radius:25px;position:relative;height:320px;display:flex;align-items:center;justify-content:center}.visual svg,.hero svg{width:100%;height:100%;max-height:340px}.visual .tag{position:absolute;left:18px;top:18px}.instructions{padding:22px 0}.instructions p{margin:9px 0}.tip{background:#eeeee5;padding:15px 18px;border-radius:14px;font-size:14px}.timer{font-size:25px;font-variant-numeric:tabular-nums}.controls{display:flex;gap:12px;margin:18px 0}.controls .primary{flex:1}.anatomy{stroke:#52675c;stroke-width:17;stroke-linecap:round;stroke-linejoin:round;fill:none}.muscle{stroke:#bc7951;stroke-width:10;stroke-linecap:round;opacity:.8;fill:none}.bone{stroke:#fbfaf5;stroke-width:2;opacity:.5;fill:none}.calendar{display:grid;grid-template-columns:repeat(7,1fr);gap:7px}.day{padding:15px 5px;text-align:center;border-radius:12px;background:#eeeee5}.day.done{background:#315e4d;color:white}.day.partial{box-shadow:inset 0 0 0 2px #bf8052}.day.today{outline:1px solid var(--ink)}.day.empty{background:none}.history{padding:18px 0;border-bottom:1px solid var(--line)}dialog{border:1px solid var(--line);border-radius:24px;background:var(--paper);color:var(--ink);padding:28px;max-width:440px;width:calc(100% - 32px)}dialog::backdrop{background:#253d3670}input{font:inherit;display:block;width:100%;padding:13px;margin:7px 0 15px;border:1px solid #cbd1c5;border-radius:10px;background:#fff}label{font-size:13px}#notice{position:fixed;top:12px;left:50%;transform:translateX(-50%);background:#253d36;color:white;border-radius:12px;max-width:90%;padding:10px 20px;z-index:10;display:none}.links a{color:var(--green)}.split{display:grid;grid-template-columns:1fr 1fr;gap:35px}.rating{display:flex;gap:10px;margin:25px 0}.rating button{flex:1;border:1px solid var(--line);border-radius:12px;padding:15px}.error{color:#974b35}small{font-size:12px}.pause-overlay{position:absolute;inset:0;display:grid;place-items:center;background:#e7ebdfbb;border-radius:25px;font-size:24px;font-weight:600}@media(max-width:650px){header{padding:20px}main{padding:0 20px;margin-top:15px}h1{font-size:40px}.hero{grid-template-columns:1fr}.hero-copy{padding:25px}.hero .art{height:210px;grid-row:1}.hero h2{font-size:29px;margin-top:14px}.cards{grid-template-columns:1fr}.card{padding:20px}.split{grid-template-columns:1fr}.stats .stat{padding:14px}.stat strong{font-size:26px}.visual{height:300px}nav{bottom:max(12px,env(safe-area-inset-bottom))}.session h1{font-size:30px}.day{padding:12px 0}.hero .meta{margin:14px 0}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}