:root{--char:#16110d;--char-2:#211913;--cream:#f4e9d8;--cream-dim:#b8a78e;--flame:#ff7a1a;--flame-deep:#d94f04;--brass:#e8b04b;--ok:#8fd14f}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{background:radial-gradient(120% 80% at 50% -10%, #2c2117 0%, var(--char) 60%), var(--char);color:var(--cream);-webkit-font-smoothing:antialiased;font-family:Sono,monospace}.shell{flex-direction:column;gap:2rem;max-width:26rem;min-height:100%;margin:0 auto;padding:2.5rem 1.5rem 2rem;transition:background .4s;display:flex;position:relative;overflow:hidden}header h1{letter-spacing:.18em;color:var(--brass);font-family:Bricolage Grotesque,sans-serif;font-size:2.4rem;font-weight:800}.tagline{letter-spacing:.12em;color:var(--cream-dim);text-transform:uppercase;font-size:.78rem}.gauge{flex-direction:column;align-items:center;gap:.9rem;display:flex}.count-ring{border:3px solid var(--char-2);outline-offset:6px;background:radial-gradient(circle at 35% 30%,#2b2014,#191210 70%);border-radius:50%;outline:1px solid #3a2c1e;flex-direction:column;justify-content:center;align-items:center;width:14rem;height:14rem;transition:outline-color .3s,box-shadow .3s;display:flex;box-shadow:inset 0 0 40px #000,0 10px 40px #0009}.is-whistling .count-ring{outline-color:var(--flame);animation:.9s ease-in-out infinite pulse;box-shadow:inset 0 0 40px #000,0 0 60px #ff7a1a59}.is-done .count-ring{outline-color:var(--ok);box-shadow:inset 0 0 40px #000,0 0 60px #8fd14f59}@keyframes pulse{50%{transform:scale(1.025)}}.count{color:var(--cream);font-family:Bricolage Grotesque,sans-serif;font-size:6.5rem;font-weight:800;line-height:1}.is-whistling .count{color:var(--flame)}.is-done .count{color:var(--ok)}.of{letter-spacing:.2em;color:var(--cream-dim);text-transform:uppercase;font-size:.85rem}.status{letter-spacing:.08em;color:var(--cream-dim);min-height:1.2em;font-size:.85rem}.is-whistling .status{color:var(--flame)}.is-done .status{color:var(--ok);font-weight:700}.meter{background:var(--char-2);border-radius:3px;width:100%;height:6px;overflow:hidden}.meter-fill{background:linear-gradient(90deg, var(--brass), var(--flame));height:100%;transition:width 90ms linear}.controls{flex-direction:column;gap:1.1rem;margin-top:auto;display:flex}.row{letter-spacing:.12em;text-transform:uppercase;color:var(--cream-dim);justify-content:space-between;align-items:center;gap:1rem;font-size:.8rem;display:flex}.stepper{align-items:center;gap:.4rem;display:flex}.stepper b{text-align:center;min-width:2.2rem;color:var(--cream);font-size:1.3rem}.stepper button{background:var(--char-2);width:2.6rem;height:2.6rem;color:var(--cream);cursor:pointer;border:1px solid #3a2c1e;border-radius:.7rem;font-size:1.4rem}.stepper button:active{background:#32261a}input[type=range]{max-width:11rem;accent-color:var(--flame);flex:1}.buttons{gap:.7rem;display:flex}button.primary{letter-spacing:.04em;color:#1a0d02;background:linear-gradient(180deg, var(--flame), var(--flame-deep));cursor:pointer;border:none;border-radius:.9rem;flex:1;padding:1rem;font-family:Bricolage Grotesque,sans-serif;font-size:1.05rem;font-weight:700;box-shadow:0 6px 24px #ff7a1a4d}button.primary.stop{color:var(--cream);box-shadow:none;background:linear-gradient(#4a3a2a,#32261a)}button.ghost{color:var(--cream-dim);cursor:pointer;background:0 0;border:1px solid #3a2c1e;border-radius:.9rem;padding:1rem 1.1rem;font-family:inherit;font-size:.85rem}.error{color:#ff6b5e;font-size:.85rem}.hint{color:#6f6151;text-align:center;font-size:.72rem;line-height:1.6}@media (width>=700px){.shell{gap:3rem;max-width:42rem;padding:4rem 3rem 3rem}header{text-align:center}header h1{font-size:3.2rem}.count-ring{width:20rem;height:20rem}.count{font-size:9.5rem}.meter{max-width:24rem}.controls{grid-template-columns:1fr 1fr;align-items:center;column-gap:2.5rem;display:grid}.buttons,.hint,.error{grid-column:1/-1}input[type=range]{max-width:none}}.steam{pointer-events:none;opacity:0;transition:opacity .6s;position:absolute;inset:0}.is-whistling .steam{opacity:1}.steam span{background:radial-gradient(circle,#f4e9d81f,#0000 70%);border-radius:50%;width:6rem;height:6rem;animation:3.2s linear infinite rise;position:absolute;bottom:-3rem}.steam span:first-child{animation-delay:0s;left:12%}.steam span:nth-child(2){animation-delay:1.1s;left:45%}.steam span:nth-child(3){animation-delay:2.2s;left:72%}@keyframes rise{0%{opacity:0;transform:translateY(0)scale(.7)}20%{opacity:1}to{opacity:0;transform:translateY(-110vh)scale(1.6)}}