:root{--bg: #f7f6f2;--panel: #ffffff;--ink: #1c2230;--muted: #5b6475;--line: #d9dce3;--accent: #b45309;--accent-ink: #ffffff;--good: #15803d;--bad: #b91c1c;--warn: #a16207;--bad-bg: #fde8e8;--good-bg: #e7f6ec;--warn-bg: #fdf3dc;--c-tai: #2563eb;--c-gps: #0d9488;--c-ut1: #b45309;--c-unix: #6b7280;--c-step: #dc2626;--c-smear: #7c3aed;--c-sls: #0891b2;--c-mono: #15803d;--band: rgba(180, 83, 9, .09);--mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;color-scheme:light}@media(prefers-color-scheme:dark){:root{--bg: #12151c;--panel: #1b2029;--ink: #e6e8ee;--muted: #9aa3b5;--line: #2f3644;--accent: #f59e0b;--accent-ink: #1b1306;--good: #4ade80;--bad: #f87171;--warn: #fbbf24;--bad-bg: #3a1d1f;--good-bg: #16301f;--warn-bg: #33290f;--c-tai: #60a5fa;--c-gps: #2dd4bf;--c-ut1: #f59e0b;--c-unix: #9ca3af;--c-step: #f87171;--c-smear: #a78bfa;--c-sls: #22d3ee;--c-mono: #4ade80;--band: rgba(245, 158, 11, .12);color-scheme:dark}}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow-x:hidden}#app{max-width:1040px;margin:0 auto;padding:0 16px 48px}.site-header{padding:20px 0 8px;border-bottom:1px solid var(--line);margin-bottom:20px}.site-header h1{margin:0 0 12px;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 16px}.clock-face{font-family:var(--mono);font-size:2.2rem;letter-spacing:.04em;color:var(--accent)}.tagline{font-size:1.05rem;font-weight:500;color:var(--muted)}nav{display:flex;flex-wrap:wrap;gap:6px}nav button{background:transparent;color:var(--ink);border:1px solid var(--line)}nav button[aria-selected=true]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button{font:inherit;border:1px solid var(--accent);background:var(--accent);color:var(--accent-ink);border-radius:6px;padding:6px 14px;cursor:pointer}button.secondary,button.small{background:var(--panel);color:var(--ink);border-color:var(--line)}button.small{padding:3px 10px;font-size:.9rem}button:hover{filter:brightness(1.06)}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,select,textarea{font:inherit;color:var(--ink);background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:5px 8px;max-width:100%}input[type=range]{width:100%;padding:0}input[type=checkbox]{width:18px;height:18px}.mono,code,pre{font-family:var(--mono);font-size:.9em}input.mono{flex:1 1 280px;min-width:0}h2{margin:8px 0 6px;font-size:1.5rem}h3{margin:22px 0 8px;font-size:1.15rem}.lede{color:var(--muted);max-width:72ch}.muted{color:var(--muted)}.error{color:var(--bad)}.note{font-size:.92rem;color:var(--muted);max-width:80ch}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin:16px 0}.card h3{margin-top:0}.button-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}.controls{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:12px 18px;margin:14px 0}.field{display:flex;flex-direction:column;gap:4px;font-size:.95rem}.field-label{font-weight:600}.field small{color:var(--muted);font-size:.82rem}.field.check{flex-direction:row;flex-wrap:wrap;align-items:center;gap:8px;grid-column:1 / -1}.chart-wrap{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px}.chart-tools{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:4px}.chart-tools small{color:var(--muted)}.chart{width:100%;height:auto;display:block;touch-action:pan-y;cursor:grab;user-select:none}.chart .plot-bg{fill:transparent}.chart .band{fill:var(--band)}.chart .grid{stroke:var(--line);stroke-width:1}.chart .grid.zero{stroke:var(--muted)}.chart .marker{stroke:var(--accent);stroke-width:1;stroke-dasharray:2 3;opacity:.6}.chart .tick{fill:var(--muted);font-size:11px}.chart .axis-label{fill:var(--muted);font-size:12px}.chart .line{fill:none;stroke-width:2.2}.legend{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:.88rem;padding:4px 6px 0}.legend-item{display:inline-flex;align-items:center;gap:6px}.swatch{display:inline-block;width:14px;height:4px;border-radius:2px;margin-right:6px;vertical-align:middle}.readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin:14px 0}.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 12px;display:flex;flex-direction:column;gap:2px}.stat-label{font-size:.85rem;color:var(--muted)}.stat strong{font-size:1.15rem}.stat.bad{border-color:var(--bad);background:var(--bad-bg)}.stat.good{border-color:var(--line)}.conversions{display:grid;grid-template-columns:max-content 1fr;gap:6px 14px;margin:10px 0 0}.conversions dt{font-weight:600}.conversions dd{margin:0;overflow-wrap:anywhere}.conversions dd.error{grid-column:1 / -1}.leap-table ol{columns:3 220px;font-size:.9rem}details summary{cursor:pointer;font-weight:600}.clock-notes dd{margin:0 0 10px;color:var(--muted)}.table-scroll{overflow-x:auto;max-width:100%}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;padding:4px 8px;border-bottom:1px solid var(--line);vertical-align:top}caption{text-align:left;color:var(--muted);padding:4px 0}.readings{margin:8px 0}.log tr.late td{background:var(--bad-bg)}.anomalies,.runtimes{font-size:.92rem}.summary-line{font-weight:600}.truth{background:var(--good-bg);border-radius:6px;padding:6px 10px}.results{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:10px}.result{border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0}.result p{font-size:.88rem;margin:6px 0 0;color:var(--muted)}.result-head{display:flex;justify-content:space-between;gap:6px;flex-wrap:wrap;align-items:center}.result pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:6px 0 0}.result pre.output{background:var(--bg);padding:6px 8px;border-radius:6px}.result details summary{font-weight:400;font-size:.85rem;color:var(--muted)}.badge{font-size:.78rem;border-radius:999px;padding:1px 8px;font-weight:600}.badge.right{background:var(--good-bg);color:var(--good)}.badge.loud{background:var(--warn-bg);color:var(--warn)}.badge.silent{background:var(--bad-bg);color:var(--bad)}.badge.missing{color:var(--muted)}.editor{width:100%;font-size:.88rem;line-height:1.45;tab-size:2;white-space:pre;overflow-x:auto}.tests{list-style:none;padding:0}.tests li{padding:6px 0;border-bottom:1px solid var(--line)}.tests li.pass strong{color:var(--good)}.tests li.fail strong{color:var(--bad)}.tests pre{margin:2px 0 0 20px;color:var(--muted);white-space:pre-wrap}.hint{background:var(--warn-bg);border-radius:6px;padding:6px 10px}.solution{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:8px 10px;overflow-x:auto}@media(max-width:560px){.clock-face{font-size:1.8rem}.conversions{grid-template-columns:1fr}.conversions dt{margin-top:6px}}
