:root{--bg: #f6f7f9;--surface: #ffffff;--surface-2: #eef1f5;--border: #d9dee6;--text: #12181f;--text-muted: #5b6672;--accent: #0b6bcb;--accent-text: #ffffff;--danger: #c02626;--plot-bg: #ffffff;--plot-grid: #e8ecf1;--plot-axis: #b3bcc8;--plot-series: #1d4ed8;--plot-accent: #0891b2;--plot-fault: #c02626;--plot-muted: #94a3b8;--plot-warn: #b45309;--plot-ok: #15803d;--plot-cursor: #475569;--mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;--sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius: 6px}@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg: #0d1117;--surface: #151b23;--surface-2: #1c232c;--border: #2c343f;--text: #e6edf3;--text-muted: #90a0b0;--accent: #4493f8;--accent-text: #06121f;--danger: #f2777a;--plot-bg: #10161d;--plot-grid: #232c36;--plot-axis: #3d4854;--plot-series: #58a6ff;--plot-accent: #2dd4bf;--plot-fault: #f2777a;--plot-muted: #64748b;--plot-warn: #e3b341;--plot-ok: #56d364;--plot-cursor: #8b98a5}}:root[data-theme=dark]{--bg: #0d1117;--surface: #151b23;--surface-2: #1c232c;--border: #2c343f;--text: #e6edf3;--text-muted: #90a0b0;--accent: #4493f8;--accent-text: #06121f;--danger: #f2777a;--plot-bg: #10161d;--plot-grid: #232c36;--plot-axis: #3d4854;--plot-series: #58a6ff;--plot-accent: #2dd4bf;--plot-fault: #f2777a;--plot-muted: #64748b;--plot-warn: #e3b341;--plot-ok: #56d364;--plot-cursor: #8b98a5}*{box-sizing:border-box}html,body{height:100%;margin:0}body{display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:14px/1.5 var(--sans);-webkit-font-smoothing:antialiased}.mono{font-family:var(--mono)}.muted{color:var(--text-muted)}.topbar{display:flex;align-items:center;gap:24px;padding:8px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex:none}.brand{display:flex;align-items:baseline;gap:10px}.brand strong{font-size:16px;letter-spacing:.02em}.brand .muted{font-size:12px}.tabs{display:flex;gap:2px;margin-left:auto}.tabs button{border:1px solid transparent;background:none;color:var(--text-muted);padding:5px 14px;border-radius:var(--radius);font:inherit;cursor:pointer}.tabs button:hover{color:var(--text);background:var(--surface-2)}.tabs button.active{color:var(--text);background:var(--surface-2);border-color:var(--border)}.topbar-right{display:flex;align-items:center;gap:10px}.privacy{font-size:11px;text-transform:uppercase;letter-spacing:.08em;color:var(--plot-ok);border:1px solid currentColor;border-radius:999px;padding:2px 9px;cursor:help}main{flex:1;min-height:0;display:flex}.tab-panel{display:none;flex:1;min-height:0}.tab-panel.active{display:flex}#tab-analyze{flex-direction:row}.sidebar{width:300px;flex:none;overflow-y:auto;background:var(--surface);border-right:1px solid var(--border);padding:4px 0 24px}.plots{flex:1;min-width:0;overflow-y:auto;padding:12px 16px 24px;display:flex;flex-direction:column;gap:12px}.plots>*{flex:none}.sidebar details{border-bottom:1px solid var(--border)}.sidebar summary{padding:9px 14px;cursor:pointer;font-weight:600;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);user-select:none}.sidebar summary:hover{color:var(--text)}.sidebar details>div,.sidebar details>table{padding:0 14px 14px}.sidebar details>.note{padding:0 14px 12px;margin-top:-6px}.stack{display:flex;flex-direction:column;gap:9px}.row{display:flex;gap:8px}.row>*{flex:1}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:9px}label{display:flex;flex-direction:column;gap:3px;font-size:12px;color:var(--text-muted);position:relative}label .unit{position:absolute;right:0;top:0;font-size:10px;opacity:.75}input[type=number],input[type=text],select{width:100%;padding:5px 7px;font:13px var(--mono);color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}select{font-family:var(--sans)}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:-1px}button{padding:6px 12px;font:inherit;font-size:13px;color:var(--text);background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}button:hover{border-color:var(--accent)}button.primary{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}button:disabled{opacity:.5;cursor:not-allowed}.note{margin:2px 0 0;font-size:11.5px;color:var(--text-muted)}.local{display:flex;flex-direction:column;gap:8px;padding:9px 10px;background:var(--bg);border:1px solid var(--border);border-radius:var(--radius)}.local[hidden]{display:none}.attribution{margin:8px 0 0;padding-left:8px;border-left:2px solid var(--plot-accent);font-size:11px;line-height:1.45;color:var(--text-muted)}.attribution a{color:var(--accent)}.attribution-origin{font-weight:600}dl.readout{display:grid;grid-template-columns:auto 1fr;gap:2px 10px;margin:4px 0 0;font-size:12px}dl.readout dt{color:var(--text-muted)}dl.readout dd{margin:0;font-family:var(--mono);text-align:right}table.defects{width:100%;border-collapse:collapse;font-size:12px;margin-top:4px}table.defects th{text-align:left;font-weight:500;color:var(--text-muted);padding:2px 0}table.defects td{text-align:right;font-family:var(--mono);padding:2px 0}table.defects tr.hit td,table.defects tr.hit th{color:var(--plot-fault);font-weight:600}.panel{margin:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.panel figcaption{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;font-size:12px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border)}.panel .tools{display:flex;align-items:center;gap:10px;font-weight:400}.panel .tools select{width:auto;font-size:12px;padding:2px 6px}.panel .tools button.png{padding:2px 8px;font-size:11px}.toggle{flex-direction:row;align-items:center;gap:4px;font-size:12px}.toggle input{width:auto}.panel canvas{display:block;width:100%;height:200px;touch-action:none}#canvas-waveform{height:170px}#canvas-envelope{height:230px}.panel .note{padding:0 10px 8px}.severity{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--plot-muted);border-radius:var(--radius);padding:8px 14px}.severity .value{font:600 18px var(--mono)}.severity .zone{font-weight:700;border-radius:3px;padding:1px 8px;color:var(--accent-text);background:var(--plot-muted)}.severity .meaning{font-size:13px}.severity .detail{font-size:11.5px;color:var(--text-muted);margin-left:auto}.severity[data-zone=A]{border-left-color:var(--plot-ok)}.severity[data-zone=A] .zone{background:var(--plot-ok)}.severity[data-zone=B]{border-left-color:var(--plot-accent)}.severity[data-zone=B] .zone{background:var(--plot-accent)}.severity[data-zone=C]{border-left-color:var(--plot-warn)}.severity[data-zone=C] .zone{background:var(--plot-warn)}.severity[data-zone=D]{border-left-color:var(--plot-fault)}.severity[data-zone=D] .zone{background:var(--plot-fault)}.diagnosis{background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--plot-muted);border-radius:var(--radius);padding:10px 14px}.diagnosis.found{border-left-color:var(--plot-fault)}.diagnosis h3{margin:0 0 3px;font-size:15px}.diagnosis p{margin:0;font-size:13px}.diagnosis .detail{margin-top:6px;font-family:var(--mono);font-size:12px;color:var(--text-muted)}.diagnosis .candidates{margin-top:6px;display:flex;gap:14px;flex-wrap:wrap;font-size:12px}.diagnosis .candidates span{color:var(--text-muted)}.statusbar{flex:none;display:flex;justify-content:space-between;gap:16px;padding:4px 16px;font-size:12px;color:var(--text-muted);background:var(--surface);border-top:1px solid var(--border)}.statusbar .error{color:var(--danger)}.statusbar .legal{margin-left:auto;white-space:nowrap;color:var(--text-muted)}.statusbar .legal a{margin-left:8px;color:inherit}.tests{flex:1;overflow-y:auto;padding:20px 24px 40px;max-width:1100px}.tests-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px}.tests-head h2{margin:0 0 4px;font-size:18px}.tests-head p{margin:0;max-width:62ch;font-size:13px}.test-summary{margin:16px 0 8px;font-size:14px;font-weight:600}.test-summary.pass{color:var(--plot-ok)}.test-summary.fail{color:var(--danger)}table.tests-table{width:100%;border-collapse:collapse;font-size:12.5px}table.tests-table th{text-align:left;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);padding:6px 8px}table.tests-table td{padding:4px 8px;border-bottom:1px solid var(--border)}table.tests-table td.num{font-family:var(--mono);text-align:right;white-space:nowrap}table.tests-table td.verdict{font-weight:600}table.tests-table tr.pass td.verdict{color:var(--plot-ok)}table.tests-table tr.fail td.verdict{color:var(--danger)}table.tests-table tr.fail{background:color-mix(in srgb,var(--danger) 8%,transparent)}.reference{flex:1;overflow-y:auto;padding:24px 32px 64px}.reference-inner{max-width:74ch;margin:0 auto}.reference h1{font-size:24px;margin:0 0 8px}.reference h2{font-size:18px;margin:32px 0 8px;padding-top:8px;border-top:1px solid var(--border)}.reference h3{font-size:15px;margin:20px 0 6px}.reference p,.reference li{font-size:14px}.reference code{font:12.5px var(--mono);background:var(--surface-2);padding:1px 4px;border-radius:3px}.reference pre{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;overflow-x:auto}.reference pre code{background:none;padding:0}.reference table{width:100%;border-collapse:collapse;font-size:13px;margin:12px 0}.reference th{text-align:left;border-bottom:1px solid var(--border);padding:5px 8px}.reference td{border-bottom:1px solid var(--border);padding:5px 8px;vertical-align:top}.reference blockquote{margin:12px 0;padding-left:12px;border-left:3px solid var(--border);color:var(--text-muted)}.reference .demo-link{display:inline-block;margin:8px 0;padding:4px 10px;font-size:12.5px;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer}.reference .demo-link:hover{border-color:var(--accent);color:var(--accent)}.hint{margin:0;font-size:12px;line-height:1.5;color:var(--text-muted)}.hint kbd{font:inherit;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;padding:0 4px;border:1px solid var(--border);border-radius:3px;background:var(--surface)}.error-banner{flex:none;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 16px;background:var(--danger);color:var(--surface);font-size:13px;font-weight:600}.error-banner[hidden]{display:none}.error-banner button{flex:none;padding:2px 10px;font-size:12px;color:inherit;background:transparent;border:1px solid currentColor}.panel canvas:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}body.dropping{outline:3px dashed var(--accent);outline-offset:-6px}label .unit{font-size:11px}.toggle{min-height:24px;padding:0 2px;cursor:pointer}.toggle input{width:15px;height:15px}.panel .tools button.png{min-height:24px}.how{border-top:1px solid var(--border);font-size:12.5px}.how summary{padding:5px 10px;cursor:pointer;color:var(--text-muted);font-size:12px}.how summary:hover,.how[open] summary{color:var(--text)}.how p{margin:0;padding:0 10px 10px;max-width:86ch;line-height:1.5}button.linklike{padding:0;border:0;background:none;font:inherit;font-weight:600;color:var(--accent);cursor:pointer}button.linklike:hover,button.linklike:focus-visible{text-decoration:underline}.toc{margin:12px 0 8px;padding:10px 14px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:13px}.toc strong{display:block;margin-bottom:4px}.toc ol{margin:0;padding-left:0;list-style:none;columns:2;column-gap:24px}.toc li{margin:2px 0;break-inside:avoid}.toc a{color:var(--accent);text-decoration:none}.toc a:hover,.toc a:focus-visible{text-decoration:underline}.reference h2{scroll-margin-top:12px}@media(max-width:760px){html,body{height:auto;overflow:auto}body{display:block}.topbar{flex-wrap:wrap;gap:8px}.brand .muted{display:none}main{display:block}.tab-panel.active{display:block}.sidebar{width:auto;overflow:visible;border-right:0;border-bottom:1px solid var(--border)}.plots{overflow:visible}.severity{flex-wrap:wrap}.panel figcaption{flex-wrap:wrap;gap:6px}.panel .tools{flex-wrap:wrap}.tests,.reference{overflow:visible;padding-left:14px;padding-right:14px}.tests-table{display:block;overflow-x:auto}.toc ol{columns:1}.statusbar{position:sticky;bottom:0;flex-wrap:wrap;gap:2px 16px}.statusbar .legal{margin-left:0;white-space:normal}}