:root{--fg:#1d2433;--muted:#5d6779;--bg:#f7f8fb;--card:#fff;--line:#e1e5ee;--accent:#d9480f;--warn:#c77800;--bad:#c62828;--ok:#2e7d32;color-scheme:light dark}@media(prefers-color-scheme:dark){:root{--fg:#e8ebf2;--muted:#9aa3b5;--bg:#11151d;--card:#1a1f2b;--line:#2b3242;--accent:#ff8a50}}*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--fg);background:var(--bg)}a{color:var(--accent)}.wrap{max-width:1100px;margin:0 auto;padding:0 16px}.site-header{background:var(--card);border-bottom:1px solid var(--line)}.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}.brand{font-weight:800;font-size:1.2rem;text-decoration:none;color:var(--fg)}.site-header nav{display:flex;gap:14px;flex-wrap:wrap;font-size:.95rem}.site-header nav a{text-decoration:none;color:var(--muted)}h1{font-size:1.9rem;margin:20px 0 4px;line-height:1.2}.lede{color:var(--muted);margin:0 0 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button[data-action]{border-color:var(--accent)}button{font:inherit;font-size:.88rem;padding:6px 10px;border:1px solid var(--line);background:var(--card);color:var(--fg);border-radius:8px;cursor:pointer}button:hover{border-color:var(--accent)}button.danger:hover{border-color:var(--bad);color:var(--bad)}button[aria-pressed=true]{background:var(--accent);color:#fff;border-color:var(--accent)}.muted{color:var(--muted)}.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}@media(max-width:900px){.panels{grid-template-columns:1fr}}.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:12px 14px}.panel.focus{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.panel h2{font-size:1rem;margin:0 0 8px}.meters{list-style:none;margin:0;padding:0;display:grid;gap:10px}.meter.focus{background:color-mix(in srgb,var(--accent) 8%,transparent);border-radius:8px;padding:6px;margin:-6px}.meter-head{display:flex;justify-content:space-between;font-size:.9rem}.bar{height:6px;background:var(--line);border-radius:4px;overflow:hidden;margin:3px 0}.fill{height:100%;width:0;background:var(--ok);transition:width .15s}.meter[data-state=near] .fill{background:var(--warn)}.meter[data-state=over] .fill{background:var(--bad)}.meter[data-state=over] .meter-val{color:var(--bad)}.meter small{font-size:.75rem}.details{display:grid;grid-template-columns:auto auto;gap:4px 12px;margin:0;font-size:.92rem}.details dt{color:var(--muted)}.details dd{margin:0;text-align:right;font-variant-numeric:tabular-nums}.tabs{display:flex;gap:6px;margin-bottom:8px}.kw{width:100%;border-collapse:collapse;font-size:.9rem}.kw th,.kw td{text-align:left;padding:3px 4px;border-bottom:1px solid var(--line)}.kw td:not(:first-child),.kw th:not(:first-child){text-align:right}.prose{max-width:760px;margin:24px 0}.prose h2{font-size:1.3rem;margin-top:28px}.faq details{border-bottom:1px solid var(--line);padding:8px 0}.faq summary{cursor:pointer;font-weight:600}.related{columns:2}.ad-slot{margin:20px 0;min-height:100px}.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 0;font-size:.9rem;background:var(--card)}.tool-links{display:flex;flex-wrap:wrap;gap:6px 16px}.tool{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin:12px 0 20px}.drop{display:flex;flex-direction:column;align-items:center;gap:4px;border:2px dashed var(--line);border-radius:12px;padding:28px 12px;cursor:pointer;text-align:center}.drop.over,.drop:hover{border-color:var(--accent)}.drop input{max-width:100%}.opts{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px 14px;margin:12px 0}.field{display:flex;flex-direction:column;gap:3px;font-size:.9rem}.field-checkbox{flex-direction:row;align-items:center;gap:6px;flex-wrap:wrap}.field input[type=number],.field select{padding:6px 8px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--fg);font:inherit}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:8px}button,.button{background:var(--accent);color:#fff;border:0;border-radius:9px;padding:10px 18px;font:600 1rem system-ui,sans-serif;cursor:pointer;text-decoration:none;display:inline-block}button:disabled{opacity:.5;cursor:not-allowed}#cancel{background:var(--muted)}progress{width:100%;height:10px;margin-top:10px}#status.error{color:var(--bad)}.preview img,.preview video{max-width:100%;max-height:420px;border-radius:8px;background:repeating-conic-gradient(#8882 0 25%,transparent 0 50%) 0 0/16px 16px}.preview audio{width:100%}.thumbs{display:flex;gap:6px;flex-wrap:wrap}.thumbs img{width:72px;height:72px;object-fit:cover}.result{border-top:1px solid var(--line);margin-top:14px;padding-top:14px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:8px;padding:0;list-style:none}.tool-grid a{display:block;padding:10px 12px;background:var(--card);border:1px solid var(--line);border-radius:10px;text-decoration:none}