:root{--bg: #f6f3ee;--surface: #ffffff;--surface-2: #efeae2;--ink: #1d2726;--ink-soft: #55605e;--line: #ddd6cb;--brand: #205e5b;--brand-ink: #ffffff;--brand-soft: #dcebe8;--accent: #e9a23b;--ok: #2f7d4f;--ok-soft: #dff1e5;--warn: #9a6200;--warn-soft: #fbeccd;--bad: #b3372e;--bad-soft: #f8dfdb;--muted: #7a7f7d;--muted-soft: #e9e7e3;--radius: 12px;--shadow: 0 1px 2px rgb(0 0 0 / .06), 0 4px 16px rgb(0 0 0 / .05);--font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #131918;--surface: #1b2322;--surface-2: #232d2c;--ink: #e7ecea;--ink-soft: #a8b3b0;--line: #2f3b39;--brand: #4fb3ab;--brand-ink: #0d1514;--brand-soft: #1e3836;--accent: #f4b860;--ok: #6cc48f;--ok-soft: #1c3426;--warn: #f0b850;--warn-soft: #3a2e14;--bad: #f08a80;--bad-soft: #3d1f1c;--muted: #8d9593;--muted-soft: #2a3332;--shadow: 0 1px 2px rgb(0 0 0 / .4);color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.2;margin:0 0 .5em}h1{font-size:1.6rem}h2{font-size:1.25rem}h3{font-size:1.05rem}p{margin:0 0 .75em}a{color:var(--brand)}small,.small{font-size:.85rem;color:var(--ink-soft)}code,.mono{font-family:ui-monospace,Cascadia Mono,Menlo,Consolas,monospace}.wrap{max-width:1400px;margin:0 auto;padding:16px}.narrow{max-width:680px;margin:0 auto;padding:24px 16px 48px}.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;letter-spacing:.01em;color:var(--ink)}.brand-mark{width:30px;height:26px;border-radius:13px;background:var(--brand);display:inline-grid;place-items:center}.brand-mark:after{content:"";width:14px;height:10px;border-radius:5px;background:var(--accent)}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface);position:sticky;top:0;z-index:10}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card+.card{margin-top:16px}.stack>*+*{margin-top:12px}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1}button,.btn{font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink);padding:9px 16px;border-radius:10px;text-decoration:none;display:inline-flex;align-items:center;gap:8px;justify-content:center}button:hover:not(:disabled),.btn:hover{background:var(--surface-2)}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,.btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}button.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}button.primary:hover:not(:disabled){filter:brightness(1.08);background:var(--brand)}button.danger{background:var(--bad);border-color:var(--bad);color:#fff}button.danger:hover:not(:disabled){filter:brightness(1.08);background:var(--bad)}button.big{padding:14px 22px;font-size:1.1rem;border-radius:12px}button.ghost{background:transparent;border-color:transparent}label{display:block;font-weight:600;margin-bottom:4px}input[type=text],input[type=email],input[type=password],input[type=number],select{font:inherit;width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}.field+.field{margin-top:14px}.check{display:flex;gap:10px;align-items:flex-start;font-weight:500}.check input{margin-top:4px;width:18px;height:18px;flex:none}.notice{border-radius:10px;padding:12px 14px;border:1px solid var(--line);background:var(--surface-2);font-size:.95rem}.notice.info{background:var(--brand-soft);border-color:transparent}.notice.warn{background:var(--warn-soft);border-color:transparent}.notice.bad{background:var(--bad-soft);border-color:transparent}.notice.ok{background:var(--ok-soft);border-color:transparent}.notice strong{display:block;margin-bottom:2px}.badge{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap;background:var(--muted-soft);color:var(--muted)}.badge:before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}.badge.ok{background:var(--ok-soft);color:var(--ok)}.badge.warn{background:var(--warn-soft);color:var(--warn)}.badge.bad{background:var(--bad-soft);color:var(--bad)}.badge.info{background:var(--brand-soft);color:var(--brand)}.pulse{width:12px;height:12px;border-radius:50%;background:var(--bad);flex:none;animation:pulse 1.6s infinite}@keyframes pulse{0%{box-shadow:0 0 #b3372e8c}70%{box-shadow:0 0 0 10px #b3372e00}to{box-shadow:0 0 #b3372e00}}@media(prefers-reduced-motion:reduce){.pulse{animation:none}}.error-text{color:var(--bad);font-weight:600}ul.clean{padding-left:1.2em;margin:.25em 0 .75em}ul.clean li+li{margin-top:4px}table{border-collapse:collapse;width:100%;font-size:.88rem}th,td{text-align:left;padding:7px 10px;border-bottom:1px solid var(--line);white-space:nowrap}th{font-weight:700;color:var(--ink-soft);background:var(--surface-2);position:sticky;top:0}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.table-scroll{overflow:auto;max-height:60vh;border:1px solid var(--line);border-radius:10px}.code-input{font-size:1.8rem!important;letter-spacing:.35em;text-align:center;font-variant-numeric:tabular-nums}.preview{width:100%;max-height:340px;background:#000;border-radius:10px;object-fit:contain}.offscreen{position:fixed;left:-10000px;top:0;width:320px;height:180px;opacity:0;pointer-events:none}h2{margin-top:1.2em}