:root{color-scheme:dark;--bg: #101112;--surface: #191b1d;--surface-strong: #202326;--border: #35393d;--text: #f1f2f3;--muted: #a7adb2;--accent: #e5a34b;--accent-strong: #f1b45f;--success: #76c792;--danger: #ee7d76}*{box-sizing:border-box}[hidden]{display:none!important}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;display:flex;flex-direction:column;align-items:center;gap:14px;padding:max(20px,env(safe-area-inset-top)) max(18px,env(safe-area-inset-right)) max(24px,env(safe-area-inset-bottom)) max(18px,env(safe-area-inset-left));min-height:100dvh}h1{margin:0;color:var(--accent-strong);font-size:16px;letter-spacing:0;text-align:center;text-transform:uppercase}h1 small{color:var(--muted);font-weight:400;letter-spacing:0;text-transform:none}h2{margin:4px 0 0;font-size:20px;line-height:1.3;letter-spacing:0;overflow-wrap:anywhere}.hint{max-width:640px;color:var(--muted);font-size:13px;text-align:center}.left-note{padding-top:8px;text-align:left}a{color:var(--accent-strong)}button,.button{min-height:48px;border:1px solid transparent;border-radius:6px;padding:12px 24px;background:var(--accent);color:#15120d;font:inherit;font-size:16px;font-weight:700;line-height:1.35;text-align:center;text-decoration:none;cursor:pointer;transition:background-color .16s ease,border-color .16s ease,transform .12s ease}button:hover,.button:hover{background:var(--accent-strong)}button:active,.button:active{transform:scale(.98)}button:focus-visible,.button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--accent-strong);outline-offset:3px}button:disabled{cursor:not-allowed;opacity:.5}button.secondary{border-color:var(--border);background:var(--surface-strong);color:var(--text)}button.secondary:hover{border-color:var(--muted);background:#292c30}.file-panel{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;width:min(92vw,640px)}.file-picker{display:flex;min-width:0;flex-direction:column;gap:8px;justify-content:center;border:1px dashed var(--border);border-radius:6px;padding:10px 12px;background:var(--surface);color:var(--muted);font-size:12px}.file-picker input{width:100%;min-width:0;color:var(--text);font:inherit;font-size:12px}.file-picker input::file-selector-button{margin-right:10px;border:1px solid var(--border);border-radius:4px;padding:6px 9px;background:var(--surface-strong);color:var(--text);font:inherit;cursor:pointer}.stage{max-width:100%;border-radius:6px;padding:18px;background:#fff}.stage 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.row{display:flex;flex-wrap:wrap;gap:10px 18px;padding-top:10px}details.settings label{display:flex;flex-direction:column;gap:3px;color:var(--muted);font-size:11px;letter-spacing:0;text-transform:uppercase}details.settings select,details.settings input[type=range]{border:1px solid var(--border);border-radius:6px;padding:5px 8px;background:var(--bg);color:var(--text);font:inherit}.metrics{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;width:min(92vw,640px)}.metric{min-width:0;border:1px solid var(--border);border-radius:6px;padding:6px 8px;background:var(--surface)}.metric .k{color:var(--muted);font-size:10px;letter-spacing:0;text-transform:uppercase}.metric .v{min-height:24px;overflow-wrap:anywhere;font-size:16px;font-variant-numeric:tabular-nums}.metric .v.amber{color:var(--accent-strong)}.metric .v.ok{color:var(--success)}.result-panel{width:min(92vw,640px);border:1px solid var(--border);border-left:4px solid var(--success);border-radius:8px;padding:18px;background:var(--surface)}.result-panel[data-state=error]{border-left-color:var(--danger)}.result-label{color:var(--success);font-size:12px;font-weight:700;letter-spacing:0;text-transform:uppercase}.result-panel[data-state=error] .result-label{color:var(--danger)}.result-panel p{margin:8px 0 0;color:var(--muted)}.digest{display:block;margin-top:12px;border-radius:4px;padding:8px 10px;background:var(--bg);color:var(--muted);font-size:11px;overflow-wrap:anywhere}.result-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.result-actions>*{max-width:100%;overflow-wrap:anywhere}@media(max-width:560px){body{gap:12px}h1 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