:root{--bg:#f7f7f5;--card:#fff;--ink:#1a1a1a;--muted:#6b6b6b;--line:#e3e3df;--accent:#0b6e4f;--accent-ink:#fff;--fast:#0b6e4f;--slow:#b3422e;--chip:#f0f0ec;--shadow:0 1px 3px rgba(0,0,0,.07),0 4px 16px rgba(0,0,0,.05)}@media(prefers-color-scheme:dark){:root{--bg:#15171a;--card:#1e2126;--ink:#e8e8e6;--muted:#9a9a96;--line:#2e3238;--accent:#3dbd8f;--accent-ink:#0c1f18;--fast:#3dbd8f;--slow:#e07b5f;--chip:#272b31;--shadow:0 1px 3px rgba(0,0,0,.4)}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}.wrap{max-width:880px;margin:0 auto;padding:28px 16px 60px}.hero h1{font-size:2rem;margin:0 0 8px;letter-spacing:-.02em}.hero .sub{color:var(--muted);margin:0 0 24px;max-width:60ch}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);padding:22px 22px 18px;margin-bottom:22px}.card h2{margin:0 0 14px;font-size:1.25rem;letter-spacing:-.01em}.card h3{margin:22px 0 6px;font-size:1.05rem}.search-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap}.typeahead{position:relative;flex:1;min-width:240px}.typeahead input{width:100%;padding:10px 12px;font-size:1rem;border:1.5px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink)}.typeahead input:focus{outline:0;border-color:var(--accent)}.ta-list{position:absolute;z-index:30;top:calc(100% + 4px);left:0;right:0;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);max-height:330px;overflow-y:auto}.ta-item{padding:8px 12px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;align-items:baseline}.ta-item:hover,.ta-item.sel{background:var(--chip)}.ta-item .nm{font-weight:550}.ta-item .lc{color:var(--muted);font-size:.85rem;white-space:nowrap}.toggle{color:var(--muted);font-size:.92rem;display:flex;gap:6px;align-items:center;user-select:none}.result{margin-top:16px}.headline{font-size:1.08rem;max-width:65ch}.headline .fast{color:var(--fast);font-weight:650}.headline .slow{color:var(--slow);font-weight:650}.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}.chip{background:var(--chip);border-radius:999px;padding:4px 12px;font-size:.85rem;color:var(--muted)}.chip b{color:var(--ink);font-weight:600}.chart{width:100%;min-height:60px;margin-top:8px}.footnote{color:var(--muted);font-size:.83rem;margin:6px 0 0;max-width:72ch}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.field{display:flex;flex-direction:column;gap:5px}.field.span2{grid-column:span 2}.field>label{font-size:.8rem;font-weight:650;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.field input[type=number]{padding:10px 12px;font-size:1rem;border:1.5px solid var(--line);border-radius:9px;background:var(--bg);color:var(--ink);width:100%}.field input[type=number]:focus{outline:0;border-color:var(--accent)}.hms{display:flex;align-items:center;gap:4px}.hms input{width:100%;text-align:center}.seg{display:flex;border:1.5px solid var(--line);border-radius:9px;overflow:hidden}.seg button{flex:1;padding:10px 0;border:0;background:var(--bg);color:var(--muted);font-size:.95rem;cursor:pointer}.seg button.on{background:var(--accent);color:var(--accent-ink);font-weight:650}.go{margin-top:16px;background:var(--accent);color:var(--accent-ink);border:0;border-radius:9px;padding:12px 28px;font-size:1.02rem;font-weight:650;cursor:pointer}.go:hover{filter:brightness(1.07)}.err{margin-top:10px;color:var(--slow);font-size:.9rem}.pred-line{color:var(--muted);margin-top:4px}.pred-line span{color:var(--ink);font-weight:600}.pred-time{font-size:2.6rem;font-weight:700;letter-spacing:-.02em;line-height:1.15;font-variant-numeric:tabular-nums}.bands{margin-top:14px;display:flex;flex-direction:column;gap:4px}.band-row{display:flex;gap:10px;align-items:baseline;flex-wrap:wrap}.band-label{color:var(--muted);font-size:.9rem;min-width:220px}.band-val{font-weight:650;font-variant-numeric:tabular-nums}.bq{margin-top:16px;padding:12px 16px;border-radius:10px;background:var(--chip);font-size:.95rem}.bq .yes{color:var(--fast);font-weight:700}.bq .no{color:var(--slow);font-weight:700}.methods p{color:var(--muted);font-size:.92rem;max-width:75ch}.methods p:first-of-type{margin-top:0}.foot{display:flex;justify-content:space-between;color:var(--muted);font-size:.85rem;padding:0 4px}.foot a{color:inherit}#selftest.ok{color:var(--fast)}#selftest.bad{color:var(--slow);font-weight:700}@media(max-width:640px){.grid{grid-template-columns:repeat(2,1fr)}.pred-time{font-size:2.1rem}.hero h1{font-size:1.6rem}}