:root{--bg:#f7f7f5;--surface:#fff;--text:#1d1d1b;--muted:#6b6b66;--border:#e3e2dd;--accent:#3b5bdb;--accent-text:#fff;--good:#1f7a4d;--good-bg:#e3f4ea;--bad:#b42318;--bad-bg:#fdecea;--warn:#8a5a00;--warn-bg:#fff4d6;--radius:10px}@media (prefers-color-scheme:dark){:root{--bg:#141413;--surface:#1e1e1c;--text:#ecebe7;--muted:#a09f99;--border:#33322f;--accent:#7b93f0;--accent-text:#0d0d0c;--good:#6fd3a0;--good-bg:#17352a;--bad:#ff8a80;--bad-bg:#3a1a18;--warn:#f0c060;--warn-bg:#3a2e12}}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);margin:0;font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}header.top{border-bottom:1px solid var(--border);background:var(--surface)}header.top .inner{align-items:center;gap:20px;max-width:1200px;margin:0 auto;padding:14px 16px;display:flex}header.top .brand{color:var(--text);font-weight:700}main{max-width:1200px;margin:0 auto;padding:24px 16px 64px}h1{margin:0 0 4px;font-size:24px}h2{margin:28px 0 10px;font-size:18px}.muted{color:var(--muted)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;display:grid}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.spread{justify-content:space-between}label{margin-bottom:6px;font-weight:600;display:block}.hint{color:var(--muted);font-size:13px;font-weight:400}textarea,input[type=text],input[type=number],select{width:100%;font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:8px 10px}textarea{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}.field{margin-bottom:18px}button,.btn{font:inherit;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;border-radius:8px;padding:8px 14px;display:inline-block}button.primary,.btn.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent);font-weight:600}button:disabled{opacity:.5;cursor:not-allowed}.check{border:1px solid var(--border);cursor:pointer;border-radius:8px;align-items:flex-start;gap:8px;padding:10px;font-weight:400;display:flex}.check.on{border-color:var(--accent)}.error{background:var(--bad-bg);color:var(--bad);border-radius:8px;margin:12px 0;padding:10px 12px}.badge{background:var(--bg);border:1px solid var(--border);border-radius:99px;padding:2px 8px;font-size:12px;font-weight:600;display:inline-block}.badge.good{background:var(--good-bg);color:var(--good);border-color:#0000}.badge.bad{background:var(--bad-bg);color:var(--bad);border-color:#0000}.badge.warn{background:var(--warn-bg);color:var(--warn);border-color:#0000}.stat{font-variant-numeric:tabular-nums;font-size:26px;font-weight:700}.kv{grid-template-columns:auto 1fr;gap:2px 12px;font-size:14px;display:grid}.kv dt{color:var(--muted)}.kv dd{text-align:right;font-variant-numeric:tabular-nums;margin:0}.table-wrap{border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--border);vertical-align:top;padding:8px 10px}th{background:var(--bg);font-weight:600;position:sticky;top:0}td.num{font-variant-numeric:tabular-nums}.clip{white-space:pre-wrap;word-break:break-word;max-width:360px}.cell{cursor:pointer}.cell:hover{background:var(--bg)}pre.out{white-space:pre-wrap;word-break:break-word;background:var(--bg);border-radius:8px;margin:6px 0;padding:10px;font-size:13px}.progress{background:var(--border);border-radius:99px;height:8px;overflow:hidden}.progress>div{background:var(--accent);height:100%;transition:width .3s}.tabs{flex-wrap:wrap;gap:6px;margin:8px 0 12px;display:flex}.tabs button.on{border-color:var(--accent);color:var(--accent);font-weight:600}:root{--shadow:0 1px 2px #0000000a, 0 4px 16px #0000000a;--accent-soft:#e8edfd}@media (prefers-color-scheme:dark){:root{--shadow:none;--accent-soft:#232a45}}header.top nav{flex-wrap:wrap;gap:4px;display:flex}header.top nav a{color:var(--muted);border-radius:8px;padding:6px 10px}header.top nav a:hover,header.top nav a.on{background:var(--bg);color:var(--text);text-decoration:none}.card{box-shadow:var(--shadow)}button.small{padding:4px 10px;font-size:13px}button.big,.btn.big{padding:12px 22px;font-size:16px}.lead{color:var(--muted);max-width:680px;margin:6px 0 0;font-size:17px}.hero{padding:12px 0 8px}.hero h1{letter-spacing:-.01em;font-size:32px}.choices{grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin:24px 0;display:grid}.choice{color:var(--text);border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:22px;transition:border-color .15s,transform .15s;display:block}.choice:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-1px)}.choice .icon{font-size:26px}.choice h3{margin:8px 0 4px;font-size:19px}.choice p{color:var(--muted);margin:0 0 12px}.choice .go{color:var(--accent);font-weight:600}.steps-inline{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px;display:grid}.steps-inline .n{background:var(--accent-soft);width:26px;height:26px;color:var(--accent);border-radius:99px;place-items:center;margin-right:8px;font-weight:700;display:inline-grid}.step{margin-bottom:16px}.step-head{align-items:center;gap:10px;margin-bottom:12px;display:flex}.step-head .n{background:var(--accent);width:28px;height:28px;color:var(--accent-text);border-radius:99px;flex:none;place-items:center;font-weight:700;display:inline-grid}.step-head h2{margin:0;font-size:17px}.step-head .hint{margin-left:auto}.picker-group{margin-bottom:12px}.picker-title{text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin-bottom:6px;font-size:12px;font-weight:600}.chips{flex-wrap:wrap;gap:8px;display:flex}.chip{border-radius:99px;align-items:center;gap:6px;padding:6px 12px;font-size:14px;display:inline-flex}.chip.on{border-color:var(--accent);background:var(--accent-soft);color:var(--text);font-weight:600}.chip-check{text-align:center;width:14px;color:var(--accent)}.chip-meta{color:var(--muted);font-size:11px;font-weight:500}.chip-meta.free{color:var(--good);font-weight:700}.examples{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.two-col{grid-template-columns:1fr;gap:16px;display:grid}@media (min-width:860px){.two-col{grid-template-columns:1fr 1fr}}details.more{margin-top:12px}details.more>summary{cursor:pointer;color:var(--accent);font-weight:600}details.more[open]>summary{margin-bottom:12px}.toggle{cursor:pointer;align-items:center;gap:8px;font-weight:600;display:inline-flex}.runbar{z-index:5;background:var(--surface);border:1px solid var(--border);border-radius:12px;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;padding:12px 16px;display:flex;position:sticky;bottom:0;box-shadow:0 -4px 20px #0000000f}.runbar .summary{flex:260px;font-size:14px}.kbd{color:var(--muted);border:1px solid var(--border);border-radius:5px;padding:1px 5px;font-size:12px}.answers{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:16px;display:grid}.answer{flex-direction:column;gap:10px;display:flex}.answer-head{justify-content:space-between;align-items:flex-start;gap:10px;display:flex}.answer-head .name{font-weight:700}.score{font-variant-numeric:tabular-nums;border-radius:10px;padding:2px 10px;font-size:22px;font-weight:800}.score.good{background:var(--good-bg);color:var(--good)}.score.mid{background:var(--warn-bg);color:var(--warn)}.score.bad{background:var(--bad-bg);color:var(--bad)}.answer pre.out{max-height:360px;margin:0;font-family:inherit;font-size:14px;line-height:1.55;overflow:auto}.stats{color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:12px;font-size:13px;display:flex}.why{color:var(--muted);border-left:3px solid var(--border);padding-left:10px;font-size:13px}.skeleton{background:linear-gradient(90deg, var(--bg), var(--border), var(--bg));background-size:200% 100%;border-radius:6px;height:14px;animation:1.2s infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}@media (prefers-reduced-motion:reduce){.skeleton{animation:none}.choice{transition:none}}.drop{border:2px dashed var(--border);text-align:center;cursor:pointer;background:var(--bg);border-radius:12px;padding:26px 16px}.drop.over{border-color:var(--accent);background:var(--accent-soft)}.preview{margin-top:12px}.preview table td{font-size:13px}.ok{background:var(--good-bg);color:var(--good);border-radius:8px;margin:10px 0;padding:8px 12px;font-size:14px}.sr-only{clip:rect(0 0 0 0);width:1px;height:1px;position:absolute;overflow:hidden}@media (max-width:600px){.kbd{display:none}.runbar .primary.big{width:100%}.hero h1{font-size:26px}}.help-btn{width:20px;height:20px;color:var(--accent);background:var(--accent-soft);vertical-align:middle;border:none;border-radius:99px;place-items:center;margin-left:6px;padding:0;font-size:12px;font-weight:700;display:inline-grid}.help-box{background:var(--accent-soft);color:var(--text);border-radius:8px;margin:6px 0 4px;padding:10px 12px;font-size:14px;font-weight:400;line-height:1.5;display:block}.section{margin-top:48px}.section>h2{margin-bottom:6px;font-size:22px}.section>.lead{margin-bottom:18px}.eyebrow{letter-spacing:.06em;text-transform:uppercase;color:var(--accent);font-size:13px;font-weight:700}.hero-grid{grid-template-columns:1fr;align-items:center;gap:28px;display:grid}@media (min-width:920px){.hero-grid{grid-template-columns:1.05fr 1fr}}.hero h1{margin:8px 0 12px;font-size:36px;line-height:1.15}.cta-row{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.demo{border:1px solid var(--border);background:var(--surface);box-shadow:var(--shadow);border-radius:14px;padding:16px;font-size:14px}.demo-q{background:var(--bg);border-radius:8px;margin-bottom:12px;padding:10px 12px}.demo-row{border-top:1px solid var(--border);grid-template-columns:1fr auto;gap:4px 12px;padding:10px 0;display:grid}.demo-row .who{font-weight:700}.demo-row .said{color:var(--muted);grid-column:1/2}.demo-row .score{grid-area:1/2/3;align-self:center;font-size:18px}.demo-caption{color:var(--muted);text-align:center;margin-top:8px;font-size:12px}.problem{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.problem .card h3{margin:6px 0;font-size:16px}.problem .card p{color:var(--muted);margin:0}.big-emoji{font-size:24px}.compare-demo{text-align:center;grid-template-columns:repeat(3,1fr);gap:8px;display:grid}.compare-demo .num{font-variant-numeric:tabular-nums;font-size:30px;font-weight:800}.glossary{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px;display:grid}.glossary dt{font-weight:700}.glossary dd{color:var(--muted);margin:4px 0 0;font-size:14px}.faq details{border-bottom:1px solid var(--border);padding:12px 0}.faq summary{cursor:pointer;font-weight:600}.faq p{color:var(--muted);margin:8px 0 0}.verdict{background:var(--accent-soft);border-radius:12px;margin:14px 0 6px;padding:14px 16px;font-size:18px}.purpose{background:var(--accent-soft);border-radius:10px;align-items:flex-start;gap:10px;margin-top:14px;padding:12px 14px;font-size:14px;display:flex}.purpose button{flex:none;margin-left:auto}.demo-banner{background:var(--warn-bg);color:var(--text);text-align:center;border-bottom:1px solid var(--border);padding:8px 16px;font-size:13px}
