:root{--primary: #1f5fbf;--on-primary: #ffffff;--primary-container: #d8e3ff;--on-primary-container: #0a1d40;--secondary-container: #dde3f3;--surface: #fbfbfe;--surface-dim: #f1f3f8;--surface-c-low: #f4f6fb;--surface-c: #eef1f7;--surface-c-high: #e7ebf3;--on-surface: #1a1c21;--on-surface-var: #454a55;--outline: #c3c8d3;--outline-var: #dde1ea;--error: #ba1a1a;--error-container: #ffdad6;--warn-bg: #fff1c7;--warn-fg: #6b4e00;--shadow-1: 0 1px 2px rgb(0 0 0 / .06), 0 1px 3px 1px rgb(0 0 0 / .05);--shadow-2: 0 1px 2px rgb(0 0 0 / .08), 0 2px 6px 2px rgb(0 0 0 / .06);--t-blue: #3b6fd8;--t-blue-bg: #eef3ff;--t-teal: #0f8a83;--t-teal-bg: #e8f6f4;--t-amber: #b7790d;--t-amber-bg: #fdf4e3;--t-violet: #7254c9;--t-violet-bg: #f2eefc;--t-rose: #c2416b;--t-rose-bg: #fcedf2;--t-green: #3c8a3c;--t-green-bg: #edf6ec;--bg: var(--surface-dim);--panel: var(--surface);--fg: var(--on-surface);--muted: var(--on-surface-var);--border: var(--outline-var);--accent: var(--primary);--road: #9ca3af;--candidate: #6b7280;--station: #ffffff;--grid: var(--outline-var);--bad: var(--error);color-scheme:light}@media (prefers-color-scheme: dark){:root{--primary: #aec6ff;--on-primary: #0a2f6b;--primary-container: #1f4589;--on-primary-container: #d8e3ff;--secondary-container: #3c4758;--surface: #15181d;--surface-dim: #0f1115;--surface-c-low: #1a1d23;--surface-c: #1e2128;--surface-c-high: #262a32;--on-surface: #e3e5ec;--on-surface-var: #b7bcc8;--outline: #4b505b;--outline-var: #31353e;--error: #ffb4ab;--error-container: #5c1a14;--warn-bg: #3b2f0b;--warn-fg: #f5d77a;--shadow-1: 0 1px 2px rgb(0 0 0 / .4);--shadow-2: 0 2px 6px rgb(0 0 0 / .45);--t-blue: #8fb0ff;--t-blue-bg: #1b2333;--t-teal: #6fd3c9;--t-teal-bg: #15292a;--t-amber: #f0c06a;--t-amber-bg: #2c2516;--t-violet: #c3b0ff;--t-violet-bg: #251f36;--t-rose: #ff9ebc;--t-rose-bg: #321b24;--t-green: #9dd59a;--t-green-bg: #1b2a1b;--road: #4b5563;--candidate: #9ca3af;--station: #1f2937;color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--surface-dim);color:var(--on-surface);font:14px/1.45 Roboto,system-ui,-apple-system,Segoe UI,sans-serif}code,pre,.mono{font-family:Roboto Mono,ui-monospace,monospace}h1{font-size:18px;font-weight:500;margin:0;letter-spacing:.1px}h2{font-size:13px;font-weight:500;margin:0 0 8px}h3{font-size:14px;font-weight:500;margin:16px 0 6px}.muted{color:var(--on-surface-var)}.small{font-size:12px}.bad{color:var(--error)}.overline{font-size:11px;font-weight:500;letter-spacing:.5px;text-transform:uppercase;color:var(--on-surface-var);margin:6px 0 4px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}a{color:var(--primary)}.material-symbols-rounded{font-size:20px;line-height:1;vertical-align:middle;font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 20}button,select,input,textarea{font:inherit;color:inherit}button{position:relative;background:var(--surface);border:1px solid var(--outline);border-radius:20px;padding:6px 14px;cursor:pointer;transition:background .15s,box-shadow .15s,border-color .15s}button:hover{background:color-mix(in srgb,var(--primary) 8%,var(--surface))}button:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px}button:disabled{opacity:.45;cursor:default}.btn-filled,button.primary{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--primary);color:var(--on-primary);border-color:transparent;font-weight:500;box-shadow:var(--shadow-1)}.btn-filled:hover,button.primary:hover{background:color-mix(in srgb,var(--on-primary) 10%,var(--primary));box-shadow:var(--shadow-2)}.btn-text{display:inline-flex;align-items:center;gap:4px;border:none;background:transparent;color:var(--primary);padding:4px 8px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:none;border-radius:50%;background:transparent;color:var(--on-surface-var)}.icon-btn:hover{background:color-mix(in srgb,var(--on-surface) 8%,transparent)}.icon-btn[aria-expanded=true]{background:var(--secondary-container);color:var(--on-surface)}.icon-btn .material-symbols-rounded{font-size:24px}select,input[type=number],input:not([type]),textarea{width:100%;background:var(--surface);border:1px solid var(--outline);border-radius:8px;padding:8px 10px}textarea{resize:vertical}.app{display:flex;flex-direction:column;min-height:100vh}.topbar{position:sticky;top:0;z-index:20;display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding:8px 16px;background:var(--surface);box-shadow:var(--shadow-1)}.boot{padding:40px}.world-select{width:auto;border-radius:20px;background:var(--surface-c-low)}.segmented{display:inline-flex;border:1px solid var(--outline);border-radius:20px;overflow:hidden}.segmented button{border:none;border-radius:0;padding:6px 14px;background:transparent}.segmented button+button{border-left:1px solid var(--outline)}.segmented button.active{background:var(--secondary-container);font-weight:500}.segmented button.active:before{content:"✓ "}.layout{display:grid;grid-template-columns:320px minmax(0,1fr) 380px;gap:12px;padding:12px;flex:1}.layout.collapsed{grid-template-columns:minmax(0,1fr) 380px}@media (max-width: 1100px){.layout,.layout.collapsed{grid-template-columns:1fr}}.panel{background:var(--surface);border-radius:16px;padding:14px;box-shadow:var(--shadow-1)}.controls,.decision{max-height:calc(100vh - 80px);overflow-y:auto;position:sticky;top:68px}.controls{background:var(--surface-c-low);padding:10px;display:flex;flex-direction:column;gap:10px}.card{--tone: var(--t-blue);--tone-bg: var(--t-blue-bg);background:linear-gradient(180deg,var(--tone-bg) 0,var(--surface) 64px);border:1px solid var(--outline-var);border-top:3px solid var(--tone);border-radius:14px;padding:10px 12px 12px}.tone-blue{--tone: var(--t-blue);--tone-bg: var(--t-blue-bg)}.tone-teal{--tone: var(--t-teal);--tone-bg: var(--t-teal-bg)}.tone-amber{--tone: var(--t-amber);--tone-bg: var(--t-amber-bg)}.tone-violet{--tone: var(--t-violet);--tone-bg: var(--t-violet-bg)}.tone-rose{--tone: var(--t-rose);--tone-bg: var(--t-rose-bg)}.tone-green{--tone: var(--t-green);--tone-bg: var(--t-green-bg)}.card-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;margin:0 0 10px;color:var(--on-surface);flex-wrap:wrap}.card-title .material-symbols-rounded{color:var(--tone);background:color-mix(in srgb,var(--tone) 14%,transparent);width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center}.slider{display:block;margin-bottom:10px}.slider-head{display:flex;justify-content:space-between;gap:8px;font-size:13px}.slider output{color:var(--on-surface-var);font-variant-numeric:tabular-nums;white-space:nowrap}input[type=range]{width:100%;accent-color:var(--tone, var(--primary))}.check{display:flex;align-items:center;gap:8px;padding:3px 0;cursor:pointer;flex-wrap:wrap}.check input{accent-color:var(--tone, var(--primary));width:16px;height:16px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:4px 0 12px;font-size:13px;cursor:pointer}.switch{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:40px;height:22px;border-radius:11px;flex:none;cursor:pointer;position:relative;background:var(--surface-c-high);border:2px solid var(--outline);transition:background .15s}.switch:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--on-surface-var);transition:transform .15s,background .15s}.switch:checked{background:var(--tone, var(--primary));border-color:var(--tone, var(--primary))}.switch:checked:after{transform:translate(18px);background:#fff}.field{display:block;margin-bottom:8px}.field>span{display:block;font-size:12px;color:var(--on-surface-var);margin-bottom:3px}.engine-group{margin-bottom:6px}.swatch{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:2px;vertical-align:middle}.swatch.dashed{background:repeating-linear-gradient(90deg,var(--candidate) 0 4px,transparent 4px 7px)}.scenario-kind{margin-bottom:6px}.scenario-grid{display:flex;flex-wrap:wrap;gap:6px}.chip{border-radius:8px;font-size:12px;padding:5px 10px;background:var(--surface)}.chip.active{background:var(--secondary-container);border-color:transparent;font-weight:500}.chip.active:before{content:"✓ "}.chip.dynamic{border-style:dashed}.chip.hidden{border-color:color-mix(in srgb,var(--t-rose) 45%,var(--outline))}.scenario-desc{margin:8px 0 0}.fuel-seg{margin:2px 0 10px}.spec{display:grid;gap:4px;margin:0 0 6px;font-size:12.5px}.spec 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select{width:auto}.map{width:100%;height:auto;background:var(--surface);border-radius:16px;box-shadow:var(--shadow-1)}.geo-map{width:100%;height:min(74vh,780px);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-1)}.map-label{font-size:120px;font-weight:700;fill:var(--on-surface)}.map-label.light{fill:#fff}.node-hit{cursor:pointer}.node-hit:hover{fill:#2563eb26}.legend{display:flex;gap:12px;flex-wrap:wrap;color:var(--on-surface-var)}.map-clock{max-width:520px}.engine-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.engine-tabs button{font-size:12px;padding:4px 10px;border-radius:8px}.engine-tabs button.active{background:var(--secondary-container);border-color:transparent;font-weight:500}.headline{font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:var(--on-surface-var)}.headline-text{font-size:16px;font-weight:500;margin:0 0 4px}.kpis{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin:12px 0}.kpi{background:var(--surface-c-low);border-radius:12px;padding:8px 10px;display:flex;flex-direction:column}.kpi span,.kpi small{font-size:11px;color:var(--on-surface-var)}.kpi strong{font-size:16px;font-weight:500;font-variant-numeric:tabular-nums}.kpi.bad strong{color:var(--error)}.costbar{display:flex;height:12px;border-radius:6px;overflow:hidden;background:var(--surface-c-high)}.costlegend{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;color:var(--on-surface-var)}.reasons{padding-left:18px;margin:0}.reasons li{margin-bottom:4px}.notes{padding-left:18px;color:var(--on-surface-var)}.llm-box{border-left:3px solid var(--t-violet);padding:8px 12px;margin:10px 0;background:var(--t-violet-bg);border-radius:0 12px 12px 0}.llm-box p{margin:4px 0 0;font-style:italic}.truth-box{background:var(--t-rose-bg);border-radius:12px;padding:8px 12px;margin:8px 0}.truth-box 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h3{margin-top:0}.kind-tabs{margin:8px 0}.scale{margin-top:24px}.scale-controls{display:flex;gap:8px;align-items:end;flex-wrap:wrap;margin-bottom:8px}.scale-controls .field{width:280px;margin:0}.how{max-width:980px;margin:0 auto;padding:20px 16px 60px;line-height:1.6}.how h2{font-size:24px;font-weight:500;color:var(--on-surface)}.how h3{font-size:18px;margin:28px 0 8px}.how-hero{background:linear-gradient(135deg,var(--t-blue-bg),var(--t-teal-bg));border-radius:20px;padding:18px 20px}.how-hero p{font-size:15px;margin-bottom:0}.how code{font-size:12.5px;background:var(--surface-c);padding:1px 4px;border-radius:4px}.pipeline{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px}.pipeline li{background:var(--surface);border-radius:14px;padding:10px;display:flex;flex-direction:column;gap:4px;font-size:13px;box-shadow:var(--shadow-1)}.step-n{width:24px;height:24px;border-radius:50%;background:var(--primary);color:var(--on-primary);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.formula{background:var(--surface);border-radius:12px;padding:10px 12px;font-size:12.5px;overflow-x:auto;box-shadow:var(--shadow-1)}.callout{background:var(--t-amber-bg);border-left:3px solid var(--t-amber);padding:8px 12px;border-radius:0 12px 12px 0}.table-wrap{overflow-x:auto}.how .table td{vertical-align:top;font-size:13px}.vehicle-line{display:flex;align-items:center;gap:6px;color:var(--on-surface-var);margin:4px 0 0}.vehicle-line .material-symbols-rounded{font-size:18px;color:var(--t-teal)}.swatch.round{border-radius:50%}.login-page{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(135deg,var(--t-blue-bg),var(--t-teal-bg))}.login-card{width:min(380px,100%);background:var(--surface);border-radius:24px;padding:28px 24px;box-shadow:var(--shadow-2);display:flex;flex-direction:column;gap:10px}.login-card .btn-filled{width:100%;padding:10px;margin-top:4px}.login-brand{display:flex;align-items:center;gap:12px;margin-bottom:8px}.login-brand .material-symbols-rounded{font-size:32px;color:var(--primary);background:var(--primary-container);width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center}.login-brand p{margin:2px 0 0}input[type=password]{width:100%;background:var(--surface);border:1px solid var(--outline);border-radius:8px;padding:8px 10px}.user-chip{display:inline-flex;align-items:center;gap:6px;margin-left:auto}.progress{height:6px;border-radius:3px;background:var(--surface-c-high);overflow:hidden;margin:8px 0}.progress>div{height:100%;background:var(--primary);transition:width .3s}