#nuclear-sim-root{--bg-0:#0a0b0d;--bg-1:#0f1114;--bg-2:#14171c;--bg-3:#1b1f26;--ink-0:#f6f5f1;--ink-1:#cfcec8;--ink-2:#8a8982;--ink-3:#5b5b55;--ink-4:#3a3a36;--line:#252830;--line-bright:#3a3f4a;--alarm:#ff5a3c;--alarm-dim:#a83a24;--alarm-glow:rgba(255,90,60,.35);--warn:#ffae6b;--fallout:#ffcc66;--safe:#8ad4a0;--serif:"Instrument Serif","Times New Roman",serif;--sans:"Inter",system-ui,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace}#nuclear-sim-root *,#nuclear-sim-root *:before,#nuclear-sim-root *:after{box-sizing:border-box}#nuclear-sim-root{color:var(--ink-0);font-family:var(--sans)}.boot{color:#8a8982;font-family:var(--mono);font-size:13px;padding:40px;background:#0a0b0d;height:100vh;display:flex;align-items:center;justify-content:center}.app{background:var(--bg-0);min-height:100vh;display:grid;grid-template-columns:360px 1fr 380px;grid-template-rows:64px 1fr 120px;grid-template-areas:"header header header" "left stage right" "timeline timeline timeline";position:relative}.header{grid-area:header;border-bottom:1px solid var(--line);background:var(--bg-1);display:flex;align-items:center;justify-content:space-between;padding:0 24px}.brand{display:flex;align-items:center;gap:14px}.brand-mark{width:28px;height:28px;border:1px solid var(--alarm);background:radial-gradient(circle at 50% 50%,var(--alarm) 2px,transparent 3px),radial-gradient(circle at 50% 50%,transparent 8px,var(--alarm-dim) 9px,transparent 10px)}.brand-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}.brand-title{font-family:var(--serif);font-size:22px;line-height:1;color:var(--ink-0)}.brand-title em{color:var(--alarm);font-style:italic}.header-right{display:flex;gap:16px;align-items:center;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-2)}.status-pill{display:flex;align-items:center;gap:8px;padding:6px 12px;border:1px solid var(--line);background:var(--bg-2)}.status-dot{width:6px;height:6px;background:var(--alarm);border-radius:50%;box-shadow:0 0 10px var(--alarm-glow);animation:pulse 1.6s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.panel-left{grid-area:left;border-right:1px solid var(--line);background:var(--bg-1);padding:28px 24px;overflow-y:auto;display:flex;flex-direction:column;gap:28px}.panel-right{grid-area:right;border-left:1px solid var(--line);background:var(--bg-1);padding:28px 24px;overflow-y:auto}.section-label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);display:flex;justify-content:space-between;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid var(--line)}.section-label .num{color:var(--alarm)}.headline{font-family:var(--serif);font-size:34px;line-height:1.05;color:var(--ink-0);margin:0 0 14px;font-weight:400}.headline em{color:var(--alarm);font-style:italic}.subhead{font-size:13.5px;line-height:1.55;color:var(--ink-1);margin:0}.input-tabs{display:flex;gap:2px;margin-bottom:12px}.input-tab{flex:1;padding:9px;font-family:var(--mono);font-size:10px;letter-spacing:.15em;text-transform:uppercase;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);cursor:pointer}.input-tab.active{background:var(--bg-3);color:var(--ink-0);border-color:var(--line-bright)}.input-field{position:relative}.input-field input{width:100%;padding:14px;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-0);font-family:var(--sans);font-size:14px;outline:none}.input-field input:focus{border-color:var(--alarm);background:var(--bg-3)}.suggest-list{margin-top:4px;border:1px solid var(--line);background:var(--bg-2)}.suggest-item{padding:10px 14px;font-size:13px;cursor:pointer;display:flex;justify-content:space-between}.suggest-item:hover{background:var(--bg-3)}.suggest-item .coord{font-family:var(--mono);font-size:10px;color:var(--ink-3)}.cta{width:100%;padding:14px;background:var(--alarm);color:var(--bg-0);border:none;font-family:var(--mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;font-weight:600;cursor:pointer}.cta:hover:not(:disabled){background:#ff7357}.cta:disabled{background:var(--ink-4);color:var(--ink-3);cursor:not-allowed}.citation{margin-top:auto;padding-top:20px;border-top:1px solid var(--line);font-size:11px;line-height:1.55;color:var(--ink-3)}.input-status{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);margin-top:8px}.input-status.err{color:var(--alarm)}.pin-hint{position:absolute;bottom:20px;left:50%;transform:translate(-50%);display:flex;align-items:center;gap:12px;padding:10px 16px;background:#0a0b0deb;border:1px solid var(--alarm);color:var(--ink-0);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;pointer-events:auto;box-shadow:0 0 24px #ff5a3c40}.pin-hint-dot{width:8px;height:8px;border-radius:50%;background:var(--alarm);box-shadow:0 0 10px var(--alarm-glow);animation:pulse 1.6s infinite}.pin-hint-cancel{background:transparent;color:var(--ink-2);border:1px solid var(--line-bright);padding:4px 10px;font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;margin-left:6px}.pin-hint-cancel:hover{color:var(--ink-0);border-color:var(--alarm)}.stage{grid-area:stage;position:relative;background:radial-gradient(ellipse at 50% 45%,#16181c,#0a0b0d 75%);overflow:hidden}.stage-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.crosshair{position:absolute;width:20px;height:20px;border-color:var(--ink-3)}.crosshair.tl{top:16px;left:16px;border-left:1px solid;border-top:1px solid}.crosshair.tr{top:16px;right:16px;border-right:1px solid;border-top:1px solid}.crosshair.bl{bottom:16px;left:16px;border-left:1px solid;border-bottom:1px solid}.crosshair.br{bottom:16px;right:16px;border-right:1px solid;border-bottom:1px solid}.stat-badges{position:absolute;top:20px;right:20px;display:flex;gap:10px}.stat-badge{background:#0a0b0dd9;border:1px solid var(--line);padding:8px 12px;font-family:var(--mono)}.stat-badge .k{display:block;font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3)}.stat-badge .v{display:block;font-size:16px;color:var(--ink-0);margin-top:2px}.stat-badge.alarm .v{color:var(--alarm)}.intro{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0a0b0dbf;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);pointer-events:auto}.intro-card{max-width:560px;padding:36px;border:1px solid var(--line-bright);background:var(--bg-1)}.intro-kicker{display:flex;align-items:center;gap:12px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--alarm);margin-bottom:18px}.intro-kicker .line{flex:1;height:1px;background:var(--line)}.intro-card h1{font-family:var(--serif);font-size:42px;line-height:1.05;margin:0 0 16px;font-weight:400}.intro-card h1 em{color:var(--alarm);font-style:italic}.intro-card p{font-size:14px;line-height:1.6;color:var(--ink-1);margin:0 0 24px}.close-intro{background:transparent;color:var(--alarm);border:1px solid var(--alarm)}.outcome{display:flex;flex-direction:column;gap:24px}.outcome-status{border:1px solid var(--alarm);background:linear-gradient(180deg,#ff5a3c14,#ff5a3c05);padding:18px}.outcome-status .label{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--alarm);margin-bottom:8px}.outcome-status .verdict{font-family:var(--serif);font-size:26px;line-height:1.1;margin-bottom:8px}.outcome-status .verdict em{color:var(--alarm);font-style:italic}.outcome-status .desc{font-size:12.5px;color:var(--ink-1);line-height:1.55}.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.metric{background:var(--bg-2);padding:14px}.metric .k{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}.metric .v{font-family:var(--serif);font-size:22px}.metric .v .u{font-family:var(--mono);font-size:11px;color:var(--ink-3);margin-left:4px}.metric .v.alarm{color:var(--alarm)}.phase-list{display:flex;flex-direction:column}.phase-row{display:grid;grid-template-columns:74px 1fr 10px;gap:12px;padding:10px 0;border-top:1px solid var(--line);font-size:12.5px}.phase-row:first-child{border-top:none}.phase-row .t{font-family:var(--mono);font-size:10px;color:var(--ink-3);letter-spacing:.12em}.phase-row .t.active{color:var(--alarm)}.phase-row .desc .tag{font-family:var(--mono);font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin-bottom:2px}.phase-row.active{color:var(--ink-0)}.phase-row.past{color:var(--ink-2)}.layer-list{display:flex;flex-direction:column}.layer-row{display:grid;grid-template-columns:16px 1fr 28px;gap:10px;align-items:center;padding:10px 0;border-top:1px solid var(--line);cursor:pointer;font-size:12.5px}.layer-row:first-child{border-top:none}.layer-swatch{width:10px;height:10px;border-radius:50%}.layer-name .sub{font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);display:block;margin-top:1px}.toggle{width:26px;height:14px;background:var(--bg-3);border:1px solid var(--line);position:relative;transition:background .2s}.toggle:after{content:"";position:absolute;top:1px;left:1px;width:10px;height:10px;background:var(--ink-3);transition:all .2s}.toggle.on{background:var(--alarm-dim);border-color:var(--alarm)}.toggle.on:after{left:13px;background:var(--alarm)}.timeline{grid-area:timeline;border-top:1px solid var(--line);background:var(--bg-1);padding:20px 28px;display:grid;grid-template-columns:auto 1fr auto;gap:28px;align-items:center}.transport{display:flex;gap:10px;align-items:center}.transport button{width:36px;height:36px;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-0);cursor:pointer;font-size:14px}.transport button:hover{border-color:var(--alarm)}.transport button.play{width:44px;height:44px;background:var(--alarm);color:var(--bg-0);border-color:var(--alarm);font-size:15px}.current-time{font-family:var(--mono);font-size:15px;color:var(--alarm);padding:0 0 0 16px;border-left:1px solid var(--line);margin-left:6px;min-width:140px}.current-time .label{display:block;font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-bottom:3px}.track-wrap{position:relative;padding:0 6px}.track{position:relative;height:6px;background:var(--bg-3);border:1px solid var(--line)}.track-fill{position:absolute;top:0;left:0;bottom:0;background:linear-gradient(90deg,var(--alarm-dim),var(--alarm))}.track-input{position:absolute;top:-14px;left:0;width:100%;height:34px;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;cursor:pointer}.track-input::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:14px;height:34px;background:var(--alarm);cursor:pointer;border:none}.track-input::-moz-range-thumb{width:14px;height:34px;background:var(--alarm);cursor:pointer;border:none;border-radius:0}.track-marker{position:absolute;top:-10px;width:1px;height:26px;background:var(--line-bright)}.track-marker.event{background:var(--alarm);box-shadow:0 0 8px var(--alarm-glow)}.track-marker .lbl{position:absolute;top:28px;left:50%;transform:translate(-50%);font-family:var(--mono);font-size:9px;letter-spacing:.12em;color:var(--ink-3);white-space:nowrap}.speed-group{display:flex;gap:4px}.speed-btn{padding:8px 12px;background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;cursor:pointer}.speed-btn.active{background:var(--bg-3);color:var(--ink-0);border-color:var(--alarm)}@media (max-width: 1100px){.app{grid-template-columns:1fr;grid-template-rows:64px auto 60vh auto 120px;grid-template-areas:"header" "left" "stage" "right" "timeline"}.panel-left,.panel-right{border:none;border-bottom:1px solid var(--line)}.headline{font-size:26px}.intro-card h1{font-size:30px}}