@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');
:root{color-scheme:dark;--bg:#0c1014;--panel:#12181e;--line:#2b343c;--muted:#93a0ac;--text:#f0f3f5;--accent:#7993a8;--red:#ff6969;--green:#5de3a6;font-family:'DM Sans',Arial,sans-serif;font-size:16px}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}button,input,select{font:inherit}button,a,input,select,summary{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header{height:88px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 4.3%;gap:20px}.brand{font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:30px;font-weight:800;font-style:italic;letter-spacing:.3px;white-space:nowrap}.brand-rt{color:var(--accent)}.brand-dot{color:var(--accent);font-size:38px}.top-label,.version,.eyebrow,.small{font-size:.875rem;letter-spacing:1.5px;font-weight:700}.top-label{color:var(--muted)}.top-label span{margin-left:25px;color:#d3dce3}.version{border:1px solid #6d5935;background:#262218;color:var(--accent);padding:7px 10px;white-space:nowrap}main{max-width:1490px;margin:auto;padding:32px 4.3% 0}.intro{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}.eyebrow{color:var(--accent);margin:0 0 8px}h1{font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:clamp(36px,3.5vw,52px);text-transform:uppercase;letter-spacing:.2px;margin:0;font-weight:700;line-height:1.1}.intro-note{font-size:1rem;line-height:1.6;color:var(--muted)}.workspace{display:grid;grid-template-columns:minmax(240px,.9fr) minmax(330px,1.35fr) minmax(265px,1fr);gap:20px;align-items:start}.panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;overflow:hidden}.setup,.session{padding:24px}.panel-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px;margin-bottom:22px}h2,h3{font-size:16px;margin:0;font-weight:600}.small{color:var(--muted);letter-spacing:1px}.setup fieldset{border:0;padding:0;margin:0;min-width:0}label{display:block;font-size:1rem;margin:20px 0 9px;color:#d5dde3}label:first-of-type{margin-top:0}label span{float:right;color:var(--muted)}input[type=number],select{width:100%;height:46px;border:1px solid #3b4650;border-radius:4px;background:#0e1419;color:var(--text);padding:0 12px;font-size:16px}input[type=number]{font-family:monospace;font-size:18px}.field-row{display:flex;gap:12px;margin-top:20px}.field-row>div{flex:1;min-width:0}.help{font-size:.9375rem;line-height:1.55;color:var(--muted);margin:8px 0 0}.check{display:flex;align-items:flex-start;gap:9px;line-height:1.5;margin-top:24px}.check input{accent-color:var(--accent);margin-top:4px;width:16px;height:16px}.setup-note{border-top:1px solid var(--line);margin-top:24px;padding-top:22px}.setup-note p{font-size:1rem;line-height:1.8;color:var(--muted);margin-bottom:0}kbd{font-family:inherit;font-size:.875rem;border:1px solid #46515b;border-radius:3px;padding:2px 5px;color:var(--text)}.error{color:var(--red);font-size:1rem}.error:empty{display:none}.tree-panel{position:relative;background:radial-gradient(ellipse at 50% 22%,#242b2b 0%,#151d23 42%,#10171d 77%);border-top:2px solid var(--accent);padding:22px 28px}.lane-heading{display:flex;gap:12px;align-items:center;justify-content:space-between;font-size:.875rem;letter-spacing:1px;color:var(--muted)}.lane-tag{color:var(--accent);font-weight:700;white-space:nowrap}.tree-zone{display:flex;justify-content:center;align-items:center;position:relative;padding-top:25px;min-height:346px}.tree{width:110px;display:flex;align-items:center;flex-direction:column}.stage-label{font-size:.875rem;font-weight:700;letter-spacing:1.8px;color:#a5adb3;margin:5px 0}.pair{display:flex;gap:16px;margin-bottom:4px}.pair i{display:block;border-radius:50%;width:13px;height:13px;background:#302e25;border:1px solid #5c5441}.pair.lit i{background:#fff4c3;box-shadow:0 0 14px #ffc34b99}.bulbs{display:flex;align-items:center;flex-direction:column;gap:9px;background:#090e12;border:1px solid #303b43;border-radius:50px;padding:12px 13px;margin-top:10px;box-shadow:0 7px 25px #0008}.bulb{width:43px;height:43px;border-radius:50%;border:2px solid #463b25;background:radial-gradient(circle at 40% 32%,#4b3a20,#282016 80%);box-shadow:inset 0 -5px 7px #0009}.bulb.green{border-color:#284437;background:radial-gradient(circle at 40% 32%,#284a39,#14271d 80%)}.bulb.red{border-color:#4b2b2b;background:radial-gradient(circle at 40% 32%,#4d2b2c,#2b191c 80%)}.bulb.lit.amber{background:#ffbd31;box-shadow:0 0 28px #ffba3199,inset 0 0 8px #fff5c6;border-color:#ffe59a}.bulb.lit.green{background:#48ee99;box-shadow:0 0 28px #48ee9999,inset 0 0 8px #d2ffea;border-color:#b7ffd8}.bulb.lit.red{background:#ff5252;box-shadow:0 0 28px #ff525299;border-color:#ffa6a6}.tree-side{position:absolute;right:0;top:67px;width:83px;font-size:.875rem;color:#7e8b95;line-height:1.8;letter-spacing:1.4px}.tree-side #phase{color:#cbd6df}.vertical-rule{width:1px;height:91px;background:var(--line);margin:19px 0}.readout{text-align:center;margin:18px 0}.readout>p:first-child{font-size:.875rem;color:var(--muted);letter-spacing:2px;margin:0 0 3px}.readout output{font-family:'Barlow Condensed',monospace;font-variant-numeric:tabular-nums;font-size:74px;font-weight:600;line-height:1.05;letter-spacing:1px;display:block}.readout output.red-text{color:var(--red)}.readout output.green-text{color:var(--green)}#result-detail{font-size:.9375rem;color:#aebbc6;line-height:1.5;min-height:38px;margin:8px 0 0}.stage-button{width:100%;background:var(--accent);color:#1b1b14;border:0;border-radius:4px;height:57px;display:flex;align-items:center;justify-content:center;gap:35px;letter-spacing:1px;font-weight:800;font-size:1rem;user-select:none;-webkit-user-select:none;touch-action:none}.stage-button.held{background:#eee9d8}.stage-button span{font-size:22px}.under-button{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px;font-size:.875rem;color:var(--muted)}.text-button{padding:0;border:0;color:#bfccd6;background:none;text-decoration:underline;text-underline-offset:4px;font-size:.875rem}.primary-stat{display:flex;flex-direction:column;gap:8px}.primary-stat>span:first-child,.stat-grid span{font-size:.875rem;letter-spacing:1.3px;color:var(--muted)}.primary-stat strong{font-family:'Barlow Condensed',monospace;font-size:55px;line-height:1;color:var(--accent);font-weight:600}.stat-caption{font-size:.875rem;color:var(--muted)}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px 10px;padding:25px 0;border-bottom:1px solid var(--line)}.stat-grid>div{display:flex;flex-direction:column;gap:6px}.stat-grid strong{font-family:'Barlow Condensed',monospace;font-size:27px;font-weight:500}.chart-heading,.history-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:24px}.chart-heading h3,.history-heading h3{font-size:1rem}.chart-heading span{font-size:.875rem;color:var(--muted)}.histogram{height:77px;display:flex;align-items:end;gap:6px;padding-top:14px}.histogram .bar{flex:1;min-height:2px;background:var(--accent);border-radius:2px 2px 0 0;position:relative}.histogram .bar:first-child{background:var(--red)}.chart-axis{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:8px;color:var(--muted);font-size:.875rem}.empty{font-size:.9375rem;color:var(--muted);line-height:1.6;font-weight:400}.histogram .empty{width:100%;margin:0;align-self:center;text-align:center}#history{margin:10px 0 0;padding:0;list-style:none;max-height:206px;overflow:auto}#history li{padding:10px 0;border-bottom:1px solid #263039;display:flex;align-items:center;justify-content:space-between;font-size:.9375rem;gap:8px}#history li .hit-time{font-family:monospace;font-size:16px;font-weight:600}.hit-status{font-size:.875rem;color:var(--muted)}.red-text{color:var(--red)}.green-text{color:var(--green)}.session-foot{font-size:.875rem;color:var(--muted);line-height:1.6;margin:15px 0 10px}.diagnostics{margin-top:22px;background:#11171c;border:1px solid var(--line);border-radius:5px}.diagnostics summary{padding:19px 22px;display:flex;justify-content:space-between;gap:20px;cursor:pointer;font-size:.875rem;letter-spacing:1.3px;color:var(--accent)}.diagnostics summary b{color:#b0bdc7;font-weight:400;letter-spacing:0;margin-left:24px;font-size:.9375rem}.details-cta{color:var(--muted);letter-spacing:0}.diagnostics-body{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;padding:4px 22px 22px}.diagnostics-body h3{font-size:16px}.diagnostics-body p{font-size:1rem;color:var(--muted);line-height:1.7}.diagnostics-body dl{margin:0}.diagnostics-body dl div{display:flex;justify-content:space-between;gap:15px;border-bottom:1px solid var(--line);padding:11px 0;font-size:.9375rem}.diagnostics-body dt{color:var(--muted)}.diagnostics-body dd{text-align:right;margin:0}footer{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:26px 0;font-size:.875rem;color:#b2bec7;letter-spacing:.4px}.footer-owner{margin-left:20px;color:var(--muted);letter-spacing:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1450px){.tree-panel{padding-left:40px;padding-right:40px}.tree-zone{min-height:369px}.bulb{width:47px;height:47px}.tree-side{right:15px}}@media(max-width:1050px){.workspace{grid-template-columns:minmax(220px,.8fr) minmax(320px,1.2fr)}.session{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.session .panel-heading{grid-column:1/-1}.session .primary-stat{grid-column:1}.session .stat-grid{grid-column:2;grid-row:2;border:0;padding:0 0 20px}.session .chart-heading,.session .histogram,.session .chart-axis{grid-column:1}.session .history-heading{grid-row:3;grid-column:2}.session #history{grid-column:2;grid-row:4/7}.session .session-foot{grid-column:1/-1}.session #clear{justify-self:start}.top-label{display:none}}@media(max-width:620px){header{height:72px;padding:0 20px}.brand{font-size:25px}.version{font-size:.875rem;letter-spacing:.7px}main{padding:25px 16px 0}.intro{margin-bottom:22px}.intro-note{display:none}.workspace{display:flex;flex-direction:column;gap:16px}.panel{width:100%}.tree-panel{order:0;padding:20px 24px}.setup{order:1;padding:20px}.session{order:2;display:block;padding:20px}.setup .setup-note{margin-top:18px}.tree-zone{min-height:338px}.tree-side{right:10px}.stat-grid{padding:24px 0!important;border-bottom:1px solid var(--line)!important}.session .primary-stat{margin-top:16px}.diagnostics summary{padding:17px;display:block}.diagnostics summary b{display:block;margin:10px 0}.details-cta{display:block;margin-top:10px}.diagnostics-body{display:block;padding:5px 17px 17px}.diagnostics-body dl{margin-top:20px}footer{align-items:flex-start;line-height:1.7}.footer-owner{display:block;margin:3px 0}.field-row{gap:16px}h1{font-size:38px}}

/* Twelve aligned buckets: red, ten .010-second intervals, then .100+ overflow. */
.histogram{gap:4px}.chart-axis{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:4px;font-size:.875rem}.chart-axis span:nth-child(2){grid-column:7;justify-self:center}.chart-axis span:last-child{grid-column:12;justify-self:end}