:root{--navy:#002b5c;--navy-light:#003f8a;--navy-deep:#001b3a;--gold:#c8922a;--gold-light:#f0c96a;--bg:#fafaf8;--border:#e4e2db;--muted:#666c73;--accent:#f0f4fa}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:#1a1a1a;font:15px/1.6 Inter,"Segoe UI",sans-serif}
button,input{font:inherit;-webkit-tap-highlight-color:transparent}
button{cursor:pointer}button:disabled{opacity:.35;cursor:default}
button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
.hero-shell{background:radial-gradient(circle at 88% 30%,#3a689a59,transparent 24rem),var(--navy);color:white}
.hero-shell nav{display:flex;justify-content:space-between;align-items:center;max-width:1440px;height:72px;margin:0 auto;padding:0 48px}
.brand{color:white;text-decoration:none;font-weight:700;letter-spacing:-.02em}
.brand span{color:#ffffff9e;font-weight:400}
.nav-links{display:flex;gap:30px}
.nav-links a{color:#ffffffc7;text-decoration:none;font-size:14px;transition:color .16s}
.nav-links a:hover,.nav-links a:focus-visible{color:var(--gold-light)}
.hero{max-width:1440px;margin:0 auto;padding:64px 48px 58px}
.kicker{margin:0 0 22px;color:var(--gold-light);font-size:12px;font-weight:700;letter-spacing:.17em;text-transform:uppercase}
.hero h1{margin:0;font-family:Lora,Georgia,"Times New Roman",serif;font-size:clamp(34px,3.9vw,56px);font-weight:600;line-height:1.12;letter-spacing:-.03em}
.hero h1 em{color:var(--gold-light);font-weight:500}
.hero-byline{margin:22px 0 0;color:#ffffffb3;font-size:15px;letter-spacing:.01em}
.hero-byline strong{color:white;font-weight:600}
.hero-deck{margin:26px 0 0;color:#ffffffd1;font-size:17px;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.button{display:inline-flex;align-items:center;gap:14px;padding:11px 17px;border:1px solid #ffffff38;border-radius:6px;color:white;text-decoration:none;font-size:14px;font-weight:600}
.button-gold{background:var(--gold);border-color:var(--gold);color:var(--navy-deep)}
.button-quiet{background:#ffffff12}
.capability-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px}
.capability-list span{padding:5px 14px;border:1px solid #ffffff1f;border-radius:999px;background:#ffffff17;color:#ffffffd1;font-size:13px}
.capability-list .highlight{border-color:#f0c96a6b;background:#c8922a33;color:var(--gold-light)}
footer{display:flex;justify-content:space-between;align-items:center;padding:34px 48px;background:var(--navy);color:white}
footer strong,footer span{display:block}
footer span{color:#ffffff8c;font-size:12px}
.footer-links{display:flex;gap:24px;font-size:13px}
.footer-links a{color:#ffffffb8;text-decoration:none}
.footer-links a:hover,.footer-links a:focus-visible{color:var(--gold-light)}
main{max-width:1680px;margin:auto;padding:22px 3% 26px}
.method{max-width:1680px;margin:auto;padding:40px 3% 8px}
.section-kicker{margin:0 0 8px;color:var(--gold);font-size:12px;font-weight:700;letter-spacing:.17em;text-transform:uppercase}
.method h2 em{color:var(--gold);font-weight:600}
.method var{font-family:Georgia,"Times New Roman",serif;font-style:italic}
.method-grid{margin-top:16px}
.method-card{background:white;border:1px solid var(--border);border-top:3px solid var(--navy);border-radius:8px;padding:22px 26px}
.method-card h3{margin:0 0 8px;font:600 20px/1.3 Lora,Georgia,"Times New Roman",serif;color:var(--navy)}
.method-card p{margin:0;color:#3d444c}
.formula{margin:18px 0;padding:14px 18px;background:var(--accent);border-radius:6px;color:var(--navy);font:20px/1.3 Georgia,"Times New Roman",serif}
.formula-line{display:grid;grid-template-columns:7em auto minmax(0,1fr);align-items:start;column-gap:12px}
.formula-line>.formula-term{justify-self:start}
.formula-rhs{display:flex;flex-wrap:wrap;align-items:flex-start;gap:6px 12px}
.formula-line+.formula-line{margin-top:14px;padding-top:14px;border-top:1px solid #002b5c1f}
.formula-group{display:inline-flex;align-items:flex-start;gap:12px}
.formula-term{display:inline-flex;flex-direction:column;align-items:center}
.formula-term small{margin-top:5px;padding-top:3px;border-top:1px solid #002b5c40;color:var(--muted);font:600 11px/1.4 Inter,"Segoe UI",sans-serif;letter-spacing:.06em;text-transform:uppercase}
.terms{margin:0;font-size:14px}
.terms div{display:grid;grid-template-columns:10.5em minmax(0,1fr);gap:12px;padding:6px 0;border-top:1px solid #eef0f3}
.terms dt{color:var(--navy);white-space:nowrap}
.terms dd{margin:0;color:var(--muted)}
.method-card .method-note{margin-top:12px;color:var(--muted);font-size:12px}
.control-top{display:flex;justify-content:space-between;align-items:center;gap:20px}
.tabs{display:flex;gap:6px}
.tabs button{padding:7px 23px;background:white;border:1px solid var(--border);color:var(--navy);border-radius:5px;font-weight:600}
.tabs button[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:white}
.trace-meta{color:var(--muted);font-size:14px;margin:0;text-align:right}
.policy-bar{display:flex;align-items:flex-start;gap:17px;margin:17px 0}
.control-label{padding-top:4px;color:var(--muted);font-size:13px}
.policy-options{display:flex;flex-wrap:wrap;gap:7px}
.policy-options label{border:1px solid var(--border);background:white;border-radius:18px;padding:3px 11px;display:flex;align-items:center;gap:6px;cursor:pointer;font-size:13px;color:#46505c}
.policy-options input{accent-color:var(--policy-color);margin:0;width:12px;height:12px}
.policy-options label:has(input:checked){border-color:var(--policy-color);color:var(--navy)}
.policy-dot{width:7px;height:7px;border-radius:50%;background:var(--policy-color);display:inline-block;flex-shrink:0}
.chart-section{background:white;border:1px solid var(--border);border-radius:8px}
.chart-heading{padding:15px 20px 0;display:flex;justify-content:space-between;align-items:center}
h2{font-family:Lora,Georgia,"Times New Roman",serif;font-size:26px;line-height:1.25;color:var(--navy);font-weight:500;margin:0 0 10px}
.text-button{border:0;background:transparent;color:var(--navy-light);font-size:14px}
.rule-note{margin:0 20px 14px;padding:10px 16px;border-left:3px solid var(--gold);border-radius:0 5px 5px 0;background:var(--accent);color:#3d4651;font-size:14px;line-height:1.65}
.rule-note strong{color:var(--navy)}
.explorer{display:grid;grid-template-columns:minmax(0,1fr);padding:0 20px 18px;gap:16px}
.plot-column{min-width:0;position:relative}.plot-wrap{position:relative;min-height:480px}#chart{height:480px;width:100%}
#crosshair{position:absolute;pointer-events:none;border-left:1px dashed #002b5c88;z-index:3}
#crosshair span{position:absolute;bottom:-29px;transform:translateX(-50%);padding:2px 6px;white-space:nowrap;background:var(--navy);color:white;border-radius:3px;font-size:12px}
#cq-values{position:absolute;inset:0;width:100%;height:100%;z-index:5;pointer-events:none;overflow:visible}
#cq-values[hidden]{display:none}
#cq-values text{font:600 14px Inter,"Segoe UI",sans-serif;font-variant-numeric:tabular-nums;paint-order:stroke;stroke:white;stroke-width:4px;stroke-linejoin:round}
#admission-panel{position:absolute;z-index:4;font-variant-numeric:tabular-nums}
#admission-panel[hidden]{display:none}
.admission-heading{padding-bottom:7px;font-size:14px;font-weight:500;color:var(--navy)}
#admission-columns{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;align-items:start}
.admission-policy{min-width:0;padding:5px 3px 0;border-top:2px solid var(--policy-color);background:#ffffffeb}
.admission-policy-title{font-size:14px;line-height:1.3;font-weight:650;color:var(--policy-color)}
.length-scatter{display:block;width:100%;height:auto;overflow:visible}
.length-scatter text{font-size:14px;fill:#6b7581;font-family:Inter,"Segoe UI",sans-serif}
.length-grid{stroke:#dde4ec;stroke-width:.7}
.length-scatter circle:hover,.length-scatter circle:focus{fill-opacity:1;stroke:var(--navy);stroke-width:1.4;outline:none}
#loading{position:absolute;inset:0;z-index:4;background:#ffffffed;display:flex;align-items:center;justify-content:center;color:var(--navy);text-align:center;padding:20px}#loading[hidden]{display:none}
.time-controls{display:flex;align-items:center;gap:7px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:9px 0 0;padding-left:12px}
.time-controls input{width:109px;padding:4px 6px;border:1px solid var(--border);border-radius:3px;color:var(--navy);font-variant-numeric:tabular-nums}
.time-controls button{border:1px solid var(--border);border-radius:4px;background:white;padding:4px 10px;color:var(--navy)}
.time-controls button[aria-pressed=true]{background:var(--accent);border-color:var(--navy)}
.inspector{background:#f7f9fc;border:1px solid #e5eaf1;border-radius:5px;overflow:hidden}
#snapshots{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}
.snapshot{padding:7px 9px;line-height:1.4;border-right:1px solid #e1e7ef}.snapshot:last-child{border:0}
.snapshot-title{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:14px;font-weight:650;color:var(--navy)}
.snapshot-actions{display:flex;flex-wrap:wrap;gap:4px 15px;margin-top:4px}
.inspect-button{padding:0;background:none;border:0;border-bottom:1px solid #003f8a33;color:var(--navy-light);font-size:13px}
.idle{font-size:13px;color:#8a8a8a;margin:4px 0}
.totals-heading{padding:0 17px 9px;font-size:13px;color:var(--muted)}
.totals{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));border-top:1px solid var(--border);background:#fdfdfb}
.total{padding:11px 17px;border-right:1px solid var(--border);border-bottom:1px solid var(--border)}
.total-label{color:var(--muted);font-size:13px;display:flex;align-items:center;gap:6px}
.total strong{display:block;color:var(--navy);font:24px/1.4 Georgia,serif;font-variant-numeric:tabular-nums}
dialog{border:1px solid var(--border);border-radius:9px;padding:22px;width:min(1100px,94vw);max-height:86vh;color:var(--navy);box-shadow:0 24px 80px #001b3a35}
dialog::backdrop{background:#001b3a77}
.dialog-heading{display:flex;justify-content:space-between;gap:15px}
.dialog-heading p{font-size:14px;color:var(--muted);margin:0 0 16px;font-variant-numeric:tabular-nums}
.dialog-heading button{background:none;border:0;color:var(--navy);font-size:26px;align-self:start}
.step-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px;font-size:14px}
.step-controls button{border:1px solid var(--border);border-radius:4px;background:white;padding:5px 10px;color:var(--navy)}
.step-controls button[aria-pressed=true]{border-color:var(--navy);background:var(--accent)}
.step-controls input{width:100px;border:1px solid var(--border);border-radius:4px;padding:5px 7px;color:var(--navy);font-variant-numeric:tabular-nums}
.step-filters{display:flex;gap:7px;margin-left:auto}
.request-table-wrap{overflow:auto;max-height:58vh}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{padding:9px 12px;border-bottom:1px solid var(--border);text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
th{position:sticky;top:0;background:var(--accent);font-weight:600}
th:first-child,td:first-child{text-align:left}
td.empty-requests{text-align:center;font-family:inherit;color:var(--muted);padding:28px}
@media(min-width:1500px){#chart,.plot-wrap{height:540px}}
@media(max-width:780px){.hero-shell nav,.hero,footer{padding-left:22px;padding-right:22px}.nav-links{display:none}.hero{padding-top:46px}footer{flex-direction:column;align-items:flex-start;gap:24px}}
@media(max-width:950px){#chart,.plot-wrap{height:620px}.inspector{width:100%}#snapshots{grid-template-columns:repeat(2,1fr)}.snapshot{border-bottom:1px solid #e1e7ef}}
@media(max-width:600px){main{padding:16px 12px}.control-top{display:block}.trace-meta{text-align:left;margin:10px 0 0}.tabs button{padding:7px 15px}.policy-bar{gap:10px;margin:14px 0}.control-label{display:none}.policy-options{gap:6px}.policy-options label{font-size:12px;padding:3px 8px}.chart-heading{padding:14px 12px 0}.rule-note{margin:0 12px 12px;padding:9px 12px;font-size:13px}.explorer{padding:0 8px 14px;gap:18px}#chart,.plot-wrap{height:440px;min-height:0}#admission-panel{position:static;margin-top:16px}.time-controls{padding-left:4px}#snapshots{grid-template-columns:1fr}.total{padding:10px 12px}.totals{grid-template-columns:repeat(2,1fr)}.step-filters{width:100%;margin:5px 0 0}dialog{padding:16px}}
@media(pointer:coarse){#chart{touch-action:pan-y pinch-zoom}#reset-view{display:none}}
@media(max-width:600px){.method{padding:28px 12px 0}.method-card{padding:18px}.formula{font-size:17px;padding:12px 14px}.terms div{grid-template-columns:1fr;gap:0}}