:root{--bg: #f2f5f7;--surface: #ffffff;--surface-2: #e9eef2;--text: #182028;--muted: #5b6874;--border: #d4dce3;--accent: #0e7c86;--accent-weak: #d8eef0;--after: #1f6fb2;--after-weak: #dbe9f6;--warn: #d9822b;--overlay: rgba(10, 16, 22, .62);--shadow: 0 1px 2px rgba(20, 30, 40, .06), 0 10px 28px rgba(20, 30, 40, .09);--radius: 12px;color-scheme:light dark}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0f1418;--surface: #171d23;--surface-2: #202932;--text: #e5eaee;--muted: #97a3ad;--border: #2b353e;--accent: #2ea7b2;--accent-weak: #133b40;--after: #5ea5e4;--after-weak: #16304a;--warn: #e59a4c;--overlay: rgba(0, 0, 0, .62);--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35)}}:root[data-theme=dark]{--bg: #0f1418;--surface: #171d23;--surface-2: #202932;--text: #e5eaee;--muted: #97a3ad;--border: #2b353e;--accent: #2ea7b2;--accent-weak: #133b40;--after: #5ea5e4;--after-weak: #16304a;--warn: #e59a4c;--overlay: rgba(0, 0, 0, .62);--shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 10px 28px rgba(0, 0, 0, .35)}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;-webkit-font-smoothing:antialiased}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[hidden]{display:none!important}.app{max-width:1480px;margin:0 auto;padding:12px 16px 32px}.header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:6px 0 12px}.header h1{font-size:21px;font-weight:650;margin:0;letter-spacing:-.01em}.subtitle{margin:4px 0 0;color:var(--muted);font-size:14px}.lang{display:flex;gap:4px;flex-shrink:0}.lang button{font:inherit;font-size:13px;padding:5px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--muted);cursor:pointer}.lang button.on{background:var(--accent);border-color:var(--accent);color:#fff}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;box-shadow:var(--shadow)}.card h2{font-size:16px;font-weight:650;margin:0 0 8px}.card h3{font-size:15px;font-weight:650;margin:0 0 6px}.group-title{font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 6px}.info{margin:6px 0 0;font-size:13px;color:var(--muted)}.hint{margin:4px 0 0;font-size:12px;color:var(--muted)}.seg{display:flex;flex-wrap:wrap;gap:6px}.seg-btn{font:inherit;font-size:14px;line-height:1.25;text-align:left;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--text);cursor:pointer}.seg-btn:hover{border-color:var(--accent)}.seg-btn.on{border-color:var(--accent);background:var(--accent-weak);font-weight:600}.ctrl-after .seg-btn.on{border-color:var(--after);background:var(--after-weak)}.ctrl-after .seg-btn:hover{border-color:var(--after)}.fields{display:flex;flex-wrap:wrap;gap:8px 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20px);display:flex;flex-direction:column;gap:1px;padding:6px 11px;border-radius:9px;color:#fff;font-size:14px;font-weight:650;pointer-events:none}.badge-now{background:#0e7c86eb}.badge-after{background:#1f6fb2eb}.badge-sub{font-size:12px;font-weight:500;opacity:.95}.badge-sub:empty{display:none}.tags{position:absolute;inset:0;pointer-events:none}.tag{position:absolute;transform:translate(-50%,-50%);padding:2px 8px;border-radius:999px;background:#141c24c7;color:#fff;font-size:12px;font-weight:600;white-space:nowrap;box-shadow:0 1px 4px #00000059}.crosshair{position:absolute;width:18px;height:18px;margin:-9px 0 0 -9px;border:2px solid rgba(255,255,255,.85);border-radius:50%;box-shadow:0 0 0 1px #00000080,inset 0 0 0 1px #00000080;pointer-events:none}.crosshair:after{content:"";position:absolute;left:50%;top:50%;width:4px;height:4px;margin:-2px 0 0 -2px;border-radius:50%;background:#fff}.spinner{position:absolute;right:12px;bottom:12px;width:22px;height:22px;border:3px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.zoom-hint{position:absolute;right:10px;top:10px;padding:4px 10px;border-radius:999px;background:var(--overlay);color:#fff;font-size:12px;pointer-events:none}.demo-caption{position:absolute;left:50%;bottom:14px;transform:translate(-50%);width:min(420px,86%);padding:8px 14px 10px;border-radius:10px;background:var(--overlay);color:#fff;font-size:13px;text-align:center;pointer-events:none}.demo-bar{margin-top:6px;height:4px;border-radius:2px;background:#ffffff40;overflow:hidden}.demo-bar i{display:block;height:100%;width:0;background:#fff}.options{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin:12px 2px 0}.switch{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}.switch input{margin:0;accent-color:var(--accent)}.demo-btn{font:inherit;font-size:14px;padding:8px 12px;border:1px solid var(--accent);border-radius:10px;background:var(--accent-weak);color:var(--text);cursor:pointer}.readout{margin-top:14px}.readout .card+.card{margin-top:14px}.notes{margin:0;padding-left:18px;font-size:14px}.notes li+li{margin-top:6px}.notes li.warning{list-style:none;margin-left:-18px;padding:6px 10px;border-left:3px solid var(--warn);background:var(--surface-2);border-radius:0 6px 6px 0}.how summary{cursor:pointer;font-weight:650;font-size:15px}.how ol{margin:10px 0 0;padding-left:20px;font-size:14px}.how li+li{margin-top:6px}.disclaimer{margin:14px 0 0;padding:10px 14px;font-size:13px;color:var(--muted);background:var(--surface-2);border-left:3px solid var(--warn);border-radius:0 8px 8px 0}.error{max-width:560px;margin:15vh auto;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);text-align:center}@media(max-width:480px){.header{flex-direction:column}.header h1{font-size:18px}.seg-btn{font-size:13px;padding:6px 10px}.step-input{width:62px}.badge{font-size:12px;padding:4px 8px;top:6px;left:6px}.badge-sub{font-size:11px}.tag{font-size:10px;padding:1px 6px}}