:root{color-scheme:dark;--bg:#191312;--card:#2a211f;--line:#59443d;--text:#fffaf7;--muted:#c7b8b0;--accent:#d9b58f;--accentText:#241915;--danger:#824545}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(circle at top,#342723 0,var(--bg) 48%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.shell{width:min(720px,100%);margin:auto;padding:calc(24px + env(safe-area-inset-top)) 18px calc(30px + env(safe-area-inset-bottom))}header{margin-bottom:22px}h1{font-size:clamp(38px,10vw,62px);margin:2px 0 5px;letter-spacing:-.035em}h2{margin:3px 0 8px;font-size:clamp(27px,7vw,40px)}.eyebrow{margin:0;font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--accent)}.tagline,.muted,.small{color:var(--muted)}.tagline{margin:0;font-size:17px}.card{background:rgba(42,33,31,.96);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:0 18px 50px rgba(0,0,0,.25)}label{display:block;font-weight:700;margin-bottom:16px}input,textarea,select{width:100%;margin-top:7px;border:1px solid #6b524a;border-radius:12px;background:#1e1716;color:var(--text);padding:13px;font:inherit;font-weight:500}textarea{resize:vertical}details{margin:2px 0 18px}summary{color:var(--muted);cursor:pointer;margin-bottom:14px}.mode-buttons{display:grid;grid-template-columns:1fr 1fr;gap:12px}button{border:0;border-radius:13px;padding:15px 13px;font:inherit;font-weight:800;min-height:52px;cursor:pointer}.primary{background:var(--accent);color:var(--accentText)}.secondary{background:#59443d;color:var(--text)}.danger{background:var(--danger);color:#fff}.full{width:100%;margin-top:10px}.hidden{display:none}.session-top{display:flex;align-items:flex-start;justify-content:space-between;gap:15px}.timer{font-variant-numeric:tabular-nums;font-size:clamp(38px,12vw,64px);font-weight:850;letter-spacing:-.04em}.instruction{min-height:84px;line-height:1.45;color:#eee1da;font-size:17px}.progress{height:12px;border-radius:99px;background:#4c3b36;overflow:hidden;margin:18px 0}#progressBar{height:100%;width:0;background:var(--accent);transition:width .2s linear}.controls{display:grid;grid-template-columns:1fr 1fr;gap:10px}.controls .danger{grid-column:1/-1}.small{font-size:13px;line-height:1.45}@media(max-width:460px){.mode-buttons{grid-template-columns:1fr}.session-top{display:block}}