:root{--bg: #f6f7fb;--card: #ffffff;--ink: #1e1b4b;--muted: #64748b;--line: #e2e8f0;--brand: #4f46e5;--brand-soft: #eef2ff;--accent: #22d3ee;--ok: #16a34a;--warn: #d97706;--err: #b91c1c;--radius: 14px;--shadow: 0 1px 3px rgba(15, 23, 42, .06)}:root[data-theme=dark]{--bg: #0b1020;--card: #131a2e;--ink: #e8ecf8;--muted: #94a3b8;--line: #26304a;--brand: #818cf8;--brand-soft: #1e2545;--accent: #22d3ee;--ok: #4ade80;--warn: #fbbf24;--err: #f87171;--shadow: 0 1px 3px rgba(0, 0, 0, .35)}:root{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--brand)}.wrap{max-width:760px;margin:0 auto;padding:0 16px 56px}.site-head{border-bottom:1px solid var(--line);background:var(--card)}.site-head 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10px;font-weight:700;font-size:14px;color:var(--muted);background:var(--card);user-select:none}.chip:hover{border-color:var(--brand)}.chip:has(input:checked){border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}.chip:focus-within{outline:2px solid var(--brand);outline-offset:1px}.chip input{margin:0;width:16px;height:16px}.chip.wide{font-weight:600;font-size:13px}.adv{margin-top:16px}.adv summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--muted);list-style:none;display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid var(--line)}.adv summary::-webkit-details-marker{display:none}.adv summary:after{content:"▾";font-size:11px}.adv[open] summary:after{content:"▴"}.adv summary:hover{color:var(--brand);border-color:var(--brand)}.adv .row{margin-top:14px}@media(max-width:520px){.big-copy{flex:1 1 100%}.pw-field input{font-size:16px}.opt{gap:8px 12px}}.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,12px);background:var(--ink);color:var(--bg);padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;z-index:50}.toast.show{opacity:1;transform:translate(-50%)}.site-foot{color:var(--muted);font-size:13px;text-align:center;padding:8px 16px 40px}.tools{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.tools a{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}.tools a:hover{border-color:var(--brand)}.tools strong{display:block;font-size:16px;margin-bottom:4px}.tools span{color:var(--muted);font-size:14px}