:root{--bg:#f4f5f7;--panel:#fff;--panel2:#eef0f3;--fg:#1d2129;--muted:#5f6673;--line:#d6d9df;--accent:#2563eb;--accent-fg:#fff;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--chart-bg:#fff;--grid:#e3e6ea;--grid-strong:#b9bec7;--chart-fg:#4a5160;--ref-line:#d97706;color:var(--fg);background:var(--bg);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:14px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--bg:#0f1115;--panel:#171a21;--panel2:#1f232c;--fg:#e6e8ec;--muted:#9aa1ad;--line:#2c313c;--accent:#3b82f6;--ok:#4ade80;--warn:#fbbf24;--err:#f87171;--chart-bg:#0b0d11;--grid:#1f242d;--grid-strong:#3a414e;--chart-fg:#a3aab6;--ref-line:#f59e0b;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg)}button,select,input{font:inherit;color:inherit}button{background:var(--panel2);border:1px solid var(--line);cursor:pointer;white-space:nowrap;border-radius:6px;padding:5px 10px}button:hover:not(:disabled){border-color:var(--accent)}button:disabled{opacity:.45;cursor:default}button.primary{background:var(--accent);color:var(--accent-fg);border-color:var(--accent);font-weight:600}button.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}button.small{padding:2px 7px;font-size:12px}select,input[type=number]{background:var(--panel);border:1px solid var(--line);border-radius:6px;min-width:0;padding:4px 6px}input.bad{border-color:var(--err)}input[type=range]{accent-color:var(--accent)}label{color:var(--muted);font-size:12px}label.check{color:var(--fg);align-items:center;gap:6px;margin:4px 0 8px;font-size:13px;display:flex}:focus-visible{outline:2px solid var(--accent);outline-offset:1px}a{color:var(--accent)}.app{grid-template-rows:auto 1fr auto;min-height:100vh;display:grid}.toolbar{background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:6px 10px;padding:8px 12px;display:flex}.toolbar .brand{font-size:16px;font-weight:700}.spacer{flex:1}.body{grid-template-columns:minmax(0,1fr) 390px;align-items:start;display:grid}.side{background:var(--panel);border-left:1px solid var(--line);height:calc(100vh - 100px);min-height:480px;overflow-y:auto}.panel{padding:6px 12px 12px}details{border-bottom:1px solid var(--line);padding:6px 0 4px}details>summary{cursor:pointer;-webkit-user-select:none;user-select:none;padding:4px 0 6px;font-size:13px;font-weight:600}details[open]>summary{margin-bottom:4px}h4{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin:10px 0 4px;font-size:12px}.row{flex-wrap:wrap;align-items:center;gap:6px;margin-bottom:6px;display:flex}.btn-pair{gap:2px;display:inline-flex}.grid2{grid-template-columns:1fr 1fr;gap:0 6px;display:grid}.grid3{grid-template-columns:repeat(3,1fr);gap:0 6px;display:grid}.field{flex-direction:column;gap:2px;min-width:0;margin-bottom:6px;display:flex}.field label{flex-direction:column;gap:2px;display:flex}.field input,.field select{width:100%;color:var(--fg);font-size:14px}.hint{color:var(--muted);margin:0 0 6px;font-size:12px;line-height:1.4}.err-text{color:var(--err)}.ok-text{color:var(--ok)}.warn-text{color:var(--warn)}.badge{text-align:center;color:#fff;border-radius:9px;min-width:18px;margin-left:8px;padding:1px 5px;font-size:11px;display:inline-block}.badge.good{background:var(--ok);color:#000}.badge.bad{background:var(--err);color:#000}.main{min-width:0}.verdict{margin:0 0 8px;font-size:14px;font-weight:600}.verdict.ok{color:var(--ok)}.verdict.err{color:var(--err)}table.data{border-collapse:collapse;font-variant-numeric:tabular-nums;width:100%;margin-bottom:6px;font-size:13px}table.data td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere;padding:4px 6px}table.data td:first-child{color:var(--muted);width:45%}ul.issues,ul.log{margin:0 0 8px;padding:0;list-style:none}ul.issues li{border:1px solid var(--line);background:var(--panel2);border-radius:8px;margin-bottom:6px;padding:6px 8px}ul.issues .row{margin-bottom:2px}ul.issues .hint{margin:0}ul.log{color:var(--muted);border-left:3px solid var(--accent);padding-left:8px;font-size:12px}.swatch{border-radius:50%;width:10px;height:10px;display:inline-block}.viewport{background:var(--chart-bg);height:calc(100vh - 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