:root{--bg:#ffffff;--bg-soft:#f5f6f8;--bg-inset:#eef0f3;--text:#17181c;--text-soft:#5b6069;--border:#e0e3e8;--accent:#0a5cff;--accent-soft:#e5eeff;--good:#0a7a3d;--good-soft:#e7f7ec;--warn:#9a6700;--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace}[data-theme=dark]{--bg:#101114;--bg-soft:#17181c;--bg-inset:#1e2025;--text:#e8e9eb;--text-soft:#9ba0a8;--border:#2a2c31;--accent:#6ea8ff;--accent-soft:#16233c;--good:#4ade80;--good-soft:#12291a}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101114;--bg-soft:#17181c;--bg-inset:#1e2025;--text:#e8e9eb;--text-soft:#9ba0a8;--border:#2a2c31;--accent:#6ea8ff;--accent-soft:#16233c;--good:#4ade80;--good-soft:#12291a}}*{box-sizing:border-box}html{font-size:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--text);line-height:1.55}.site-header,body{background:var(--bg)}.site-header{display:flex;justify-content:space-between;align-items:center;padding:12px 24px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:20}.brand{font-weight:700;font-size:18px;text-decoration:none;color:var(--text);display:inline-flex;align-items:center;gap:8px}.brand-mark{flex-shrink:0}.nav-icon-link{display:inline-flex;align-items:center;gap:5px}.badge-mini{font-size:11px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:10px;padding:2px 8px;vertical-align:2px}.site-header nav{display:flex;gap:18px;align-items:center}.site-header nav a{color:var(--text-soft);text-decoration:none;font-size:14px}.site-header nav a:hover,.theme-toggle{color:var(--text)}.theme-toggle{border:1px solid var(--border);background:transparent;border-radius:8px;padding:4px 9px;cursor:pointer;display:inline-flex;align-items:center}.theme-toggle span{display:none;line-height:0}.theme-toggle .icon-moon{display:inline-flex}[data-theme=dark] .theme-toggle .icon-moon{display:none}[data-theme=dark] .theme-toggle 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10px;color:var(--text-soft);text-transform:uppercase;letter-spacing:.04em}.mode-row{display:flex;gap:8px;margin-bottom:10px;flex-wrap:wrap}.chip{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:20px;padding:5px 14px;font-size:13px;cursor:pointer}.chip[aria-pressed=true]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}textarea.html-input{min-height:300px;resize:vertical;font-family:var(--mono);font-size:12px;line-height:1.5;padding:10px}input.url-input,textarea.html-input{width:100%;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px}input.url-input{font-size:14px;padding:10px 12px}.btn{border:0;border-radius:8px;padding:10px 20px;font-size:15px;font-weight:600;background:var(--accent);color:#fff;cursor:pointer}.btn:disabled{opacity:.5;cursor:default}.btn-secondary{border:1px solid var(--border);background:var(--bg);color:var(--text);border-radius:8px;padding:6px 12px;font-size:13px;cursor:pointer}.btn-secondary:hover{border-color:var(--accent)}.error-box{border:1px solid #d33;background:color-mix(in srgb,#d33 8%,var(--bg));border-radius:8px;padding:10px 14px;margin-top:12px;font-size:14px}.gauge{margin:16px 0}.gauge-row{display:grid;grid-template-columns:130px 1fr 170px;grid-gap:12px;gap:12px;align-items:center;margin:8px 0}.gauge-label{font-size:13px;color:var(--text-soft)}.gauge-bar-track{background:var(--bg-inset);border-radius:6px;height:22px;overflow:hidden}.gauge-bar{height:100%;border-radius:6px;background:var(--accent);transition:width .8s cubic-bezier(.22,1,.36,1);min-width:2px}.gauge-bar.raw{background:#8a8f98}.gauge-bar.header{background:var(--good)}.gauge-num{font-family:var(--mono);font-size:13px;text-align:right}.gauge-num .save{color:var(--good);font-weight:700}.stat-hero{display:flex;gap:24px;flex-wrap:wrap;align-items:baseline;background:var(--good-soft);border:1px solid var(--good);border-radius:12px;padding:14px 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