:root{color-scheme:dark;--bg:#080e1c;--panel:#101b2d;--border:#293a50;--text:#eef3fd;--muted:#a7b6cc;--mint:#75efd0;--solar:#f9cc79;--battery:#b8a0ff;--backup:#a5bad7;--red:#ff9aa4;--font:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 30% 0%,#182a43,transparent 50%),var(--bg);color:var(--text);font:16px/1.65 var(--font);-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button,summary{touch-action:manipulation}button{color:inherit;cursor:pointer}button:disabled{opacity:.5;cursor:default}button:focus-visible,a:focus-visible,summary:focus-visible,canvas:focus-visible{outline:2px solid var(--mint);outline-offset:4px}a{color:var(--mint);text-underline-offset:4px}button{border:1px solid var(--border);border-radius:7px;background:#16273d;min-height:44px;padding:8px 12px;font-size:.875rem;line-height:1.45}button:hover:not(:disabled){border-color:#749baf;background:#1f364e}button[aria-pressed=true]{border-color:#75efd099;background:#1d3c3d;color:#b5ffe8}button.primary-action,.demo-button{background:var(--mint);border-color:var(--mint);color:#0a302d;font-weight:650}button.primary-action:hover:not(:disabled),.demo-button:hover:not(:disabled){background:#afffe7}.quiet-button{border:0;background:transparent;color:var(--muted);padding:8px;font-size:.875rem}.quiet-button:hover:not(:disabled){background:#ffffff08;color:var(--text)}[hidden]{display:none!important}.topbar{max-width:1560px;margin:auto;padding:19px 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff0d;gap:16px}.brand{display:flex;align-items:center;gap:12px;color:var(--text);font-size:24px;letter-spacing:.17em;font-weight:650;text-decoration:none;line-height:1.15}.brand-mark{font-size:42px;color:var(--mint);font-weight:400}.brand small{display:block;font-size:.75rem;letter-spacing:.13em;font-weight:500;color:var(--muted);margin-top:7px}.header-actions{display:flex;align-items:center;gap:10px}.demo-button{padding:10px 17px}main{max-width:1560px;margin:auto;padding:28px 36px}.intro{display:flex;justify-content:space-between;gap:25px;align-items:center}.eyebrow{color:var(--mint);font-size:.75rem;letter-spacing:.16em;font-weight:600;margin:0 0 6px}h1{font-size:clamp(1.55rem,2.35vw,2.15rem);letter-spacing:-.025em;line-height:1.5;font-weight:600;margin:0}h1 em{color:var(--mint);font-style:normal}.lede{margin:8px 0 0;color:var(--muted);font-size:1rem;max-width:850px}.model-badge{display:inline-block;border:1px solid #405069;background:#172234;border-radius:4px;padding:5px 9px;color:#bac8db;font-size:.75rem;flex-shrink:0}.mission-strip{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin:22px 0 17px;padding:11px 15px;border-left:3px solid var(--solar);background:#f9cc7908;font-size:.875rem;color:#e3d0ac}.mission-strip p{margin:0}.mission-strip a{font-size:.875rem;white-space:nowrap;color:#cfbb99}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 350px;gap:20px;align-items:start}.world-column{min-width:0;display:grid;gap:17px}.impact-strip{display:grid;grid-template-columns:1.12fr 1fr 1fr;border:1px solid var(--border);border-radius:10px;background:#122235;overflow:hidden}.impact-strip>div{padding:17px 20px;min-width:0}.impact-strip>div+div{border-left:1px solid var(--border)}.impact-strip>div>span{font-size:.875rem;color:#c3cfe0;display:block}.impact-strip strong{font-variant-numeric:tabular-nums;display:block;font-size:clamp(1.6rem,2.3vw,2.25rem);font-weight:500;letter-spacing:-.03em;line-height:1.4;margin:3px 0}.impact-strip .primary-impact strong{color:var(--mint)}.impact-strip small{font-size:.875rem;color:var(--muted);margin-left:5px;font-weight:400;letter-spacing:0}.impact-strip .metric-note{font-size:.75rem;color:var(--muted);line-height:1.5}.world-panel{border:1px solid var(--border);border-radius:11px;background:#0c192c;overflow:hidden;min-width:0}.city-stage{position:relative}.world-top{position:absolute;z-index:2;top:20px;left:22px;right:22px;display:flex;justify-content:space-between;gap:12px;pointer-events:none}.mini-label{font-size:.75rem;color:#9bb6d2;letter-spacing:.04em}.world-title>div{display:flex;gap:10px;align-items:baseline}.world-title time{font-size:1.4rem;font-variant-numeric:tabular-nums}.world-title #temperature{color:var(--muted);font-size:.875rem}.world-status{display:flex;align-items:center;gap:7px;align-self:flex-start;background:#123b32bf;border:1px solid #598c7580;border-radius:20px;padding:5px 10px;font-size:.75rem;color:#c4f6e4;max-width:200px;line-height:1.5}.world-status.warning{background:#432b30b0;border-color:#bb6d7770;color:#ffc7cb}.status-light{display:inline-block;width:6px;height:6px;flex:none;border-radius:50%;background:var(--mint)}.warning .status-light{background:var(--red)}#city{display:block;width:100%;height:440px;cursor:grab;touch-action:none;outline-offset:-4px}#city:active{cursor:grabbing}.scene-label{position:absolute;z-index:1;display:flex;align-items:center;gap:5px;padding:4px 7px;background:#071325de;border:1px solid #51677d66;border-radius:4px;color:#c1cfe0;font-size:.75rem;pointer-events:none;white-space:nowrap}.scene-label b{color:#eef5ff;font-weight:500;font-variant-numeric:tabular-nums}.service-label{border-color:#75efd060;color:#acffe2;background:#102b29e6;z-index:2}.service-label.warning{color:#ffbec5;background:#382229e6;border-color:#ee899266}.world-bottom{position:absolute;bottom:9px;left:18px;right:18px;display:flex;align-items:center;justify-content:space-between;color:#a0b6d1;font-size:.75rem;pointer-events:none}.world-bottom button{pointer-events:auto;font-size:.75rem;min-height:40px}.timeline{padding:16px 20px;border-top:1px solid #354b6660;background:#0b1525}.timeline-heading,.chart-legend,.chart-legend>span{display:flex;align-items:center;gap:8px}.timeline-heading{justify-content:space-between;font-size:.875rem;color:#b8c8db}.chart-legend{gap:14px;font-size:.75rem}.line{display:inline-block;width:13px;height:2px}.line.supply{background:var(--mint)}.line.demand{background:#c7d1e5}.dot{display:inline-block;width:7px;height:7px;border-radius:50%;flex:none}.dot.solar{background:var(--solar)}.dot.wind{background:var(--mint)}.dot.battery{background:var(--battery)}.dot.backup{background:var(--backup)}.dot.shortage{background:var(--red)}#chart{display:block;width:100%;height:76px;margin-top:8px}.timeline-control{display:flex;align-items:flex-start;gap:14px}.play-button{flex:none;display:grid;place-items:center;border-radius:50%;width:44px;height:44px;min-height:44px;padding:7px}.play-button svg{width:22px;height:22px}.time-input{flex:1;min-width:0;padding-top:8px}.time-ticks{display:flex;justify-content:space-between;font-size:.75rem;color:var(--muted);margin-top:6px}.timeline-control>.quiet-button{font-size:.75rem;padding-right:0}.control-panel{padding:22px;border:1px solid var(--border);border-radius:11px;background:linear-gradient(150deg,#16263b,#0e1a2b);min-width:0}.panel-heading,.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}h2{font-size:1rem;line-height:1.55;margin:0;font-weight:600}.section-heading>span{font-size:.75rem;color:var(--muted)}fieldset{border:0;padding:0;margin:0 0 22px;min-width:0}legend{padding:0;font-size:.875rem;color:#b9cbe0;font-weight:500;margin-bottom:14px}.asset-top{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}.asset-top label{font-size:.875rem;display:flex;align-items:center;gap:7px}.asset-top output{font-size:1rem;font-variant-numeric:tabular-nums;font-weight:550;white-space:nowrap}.asset-top output small{font-size:.75rem;color:var(--muted);font-weight:400}input[type=range]{appearance:none;-webkit-appearance:none;display:block;width:100%;height:6px;margin:14px 0;border:0;border-radius:3px;background:linear-gradient(to right,var(--range-color,var(--mint)) 0%,var(--range-color,var(--mint)) var(--range-pct,50%),#31445d var(--range-pct,50%),#31445d 100%);cursor:pointer;outline-offset:6px}input[type=range]::-webkit-slider-thumb{appearance:none;-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:#e5effb;border:2px solid #f5faff;box-shadow:0 0 0 4px #10203866}input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#e5effb;border:2px solid #f5faff}input[type=range]:focus-visible{outline:2px solid var(--mint)}.asset-foot{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.75rem;color:var(--muted);line-height:1.5}.asset{margin:0 0 22px}.asset:last-child{margin-bottom:0}.solar-asset{--range-color:var(--solar)}.battery-asset{--range-color:var(--battery)}.backup-asset,.fuel-asset{--range-color:var(--backup)}.budget-meter,.battery-level{height:4px;background:#2b3c53;border-radius:3px;overflow:hidden;margin-top:13px}.budget-meter i,.battery-level i{display:block;height:100%;width:0;background:var(--mint)}.battery-level i{background:var(--battery)}#budget-status{font-size:.875rem;color:#b4efd9;margin:8px 0 0}#budget-status.warning{color:var(--red)}.segmented{display:flex;gap:5px}.segmented button{flex:1;padding:9px 7px}.small-copy{font-size:.875rem;color:var(--muted);line-height:1.7;margin:10px 0 0}.weather-options{display:grid;grid-template-columns:1fr 1fr;gap:7px}.weather-options button{padding:9px 5px}.weather-options [data-weather=heat][aria-pressed=true]{background:#432f26;border-color:#cd9c6388;color:#ffe0b1}.weather-options [data-weather=lull][aria-pressed=true]{background:#37334a;border-color:#c8b3e780;color:#e5d7ff}.planner-actions{display:grid;gap:8px;border-top:1px solid var(--border);padding-top:20px}.planner-actions button{min-height:46px}.planner-status{font-size:.875rem;line-height:1.7;color:#bdd5e2;margin:12px 0 0;min-height:3em}.stress-result{background:#263344;border-left:3px solid var(--solar);padding:12px 14px;margin-top:12px}.stress-result strong{font-size:1rem}.stress-result p{font-size:.875rem;margin:5px 0 0;color:var(--muted)}.services-panel,.comparison-panel{padding:20px 22px;border:1px solid var(--border);border-radius:10px;background:#101d2e}.services-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.service-card{border:1px solid #75efd036;border-radius:7px;padding:13px 12px;background:#16332f40;min-width:0}.service-card.warning{border-color:#ff9aa450;background:#3c252c35}.service-card h3{font-size:.875rem;font-weight:500;margin:0 0 6px;color:#d2e1ee}.service-card strong{display:block;font-size:1.5rem;color:var(--mint);font-weight:500;font-variant-numeric:tabular-nums}.service-card.warning strong{color:var(--red)}.service-card p{font-size:.75rem;color:var(--muted);margin:4px 0 0;line-height:1.6}.service-track{height:3px;background:#2c3d4d;margin:9px 0;overflow:hidden}.service-track i{height:100%;display:block;background:var(--mint)}.warning .service-track i{background:var(--red)}.comparison-panel{border-color:#608d825e}.comparison-panel .section-heading{flex-wrap:wrap}.comparison-panel>p{font-size:1rem;color:#c4d9e1;margin:0 0 15px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.875rem;line-height:1.6}th,td{border-bottom:1px solid var(--border);padding:11px 10px;text-align:right;font-weight:400;font-variant-numeric:tabular-nums}th:first-child,td:first-child{text-align:left;padding-left:0;color:#b6c6d9}thead th{color:#e0ecf5}td:last-child{color:#c8f7e7}td.negative{color:var(--red)}td.positive{color:var(--mint)}.comparison-buttons{display:flex;gap:9px;margin:18px 0 14px}.comparison-buttons button{flex:1}.comparison-panel>p.small-copy{font-size:.875rem;color:var(--muted);margin:8px 0 0}.decision-note{display:grid;grid-template-columns:1fr 2fr;gap:30px;margin:28px 0 20px;padding:24px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.decision-note h2{font-size:1.2rem;font-weight:500}.decision-note>p{font-size:1rem;color:#b7c8db;line-height:1.9;margin:0}footer{display:flex;align-items:baseline;justify-content:space-between;gap:20px;color:var(--muted);font-size:.75rem}footer details{max-width:960px;flex:1}footer>span{flex:none}summary{font-size:.875rem;cursor:pointer;padding:8px 0;color:#c5d5e6}.model-copy{padding:16px 20px;background:#112033;border:1px solid var(--border);border-radius:8px;font-size:.875rem;line-height:1.9}.model-copy h3{margin:0;font-size:1rem;font-weight:500}.model-copy p{margin:13px 0}.model-copy a{overflow-wrap:anywhere}.demo-caption{position:absolute;bottom:55px;left:20px;right:20px;display:flex;gap:14px;padding:16px 18px;background:#081624ed;border:1px solid #75efd080;border-radius:8px;z-index:4;pointer-events:none;box-shadow:0 12px 32px #0003}.demo-caption>span{font-size:.75rem;color:var(--mint);white-space:nowrap;padding-top:3px}.demo-caption strong{font-size:1.125rem;font-weight:550}.demo-caption p{font-size:.875rem;line-height:1.7;margin:5px 0 0;color:#bdd3e3}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
@media(min-width:1500px){#city{height:490px}}
@media(max-width:1180px){.topbar{padding:17px 23px}main{padding:25px 23px}.workspace{grid-template-columns:minmax(0,1fr) 318px;gap:15px}.control-panel{padding:18px}.intro>.model-badge{display:none}.impact-strip>div{padding:13px}.impact-strip>div>span{font-size:.75rem}.impact-strip strong{font-size:1.65rem}.impact-strip small{font-size:.75rem}.services-grid{grid-template-columns:1fr 1fr}.world-top{left:15px;right:15px}.world-status{max-width:160px}.world-title time{font-size:1.2rem}.world-title #temperature{display:none}.timeline{padding:14px}.chart-legend{gap:8px}.scene-label{padding:3px 5px}footer{flex-wrap:wrap}}
@media(max-width:900px){.workspace{grid-template-columns:minmax(0,1fr)}.control-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 25px;padding:22px}.panel-heading{grid-column:1/-1}.assets{grid-column:2;grid-row:2/6}.budget-controls,.policy-controls,.weather-controls{grid-column:1}.planner-actions,.planner-status,.stress-result{grid-column:1/-1}.planner-actions{grid-template-columns:1fr 1fr}.planner-actions>.quiet-button{grid-column:1/-1}.planner-status{min-height:0}.services-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.impact-strip>div{padding:18px}.impact-strip>div>span{font-size:.875rem}.impact-strip strong{font-size:2rem}.world-status{max-width:none}.world-title #temperature{display:inline}.world-title time{font-size:1.4rem}.decision-note{grid-template-columns:1fr 1.6fr}.world-column{gap:14px}#city{height:450px}.comparison-panel{order:1}}
@media(max-width:600px){.topbar{padding:15px 15px;gap:8px}.brand{font-size:20px;gap:7px}.brand-mark{font-size:34px}.brand small{font-size:.75rem;letter-spacing:.06em}.header-actions{gap:2px}.demo-button{padding:9px 10px;font-size:.875rem}main{padding:22px 14px}.intro{display:block}h1{font-size:1.65rem;line-height:1.5;max-width:360px}.lede{font-size:1rem;line-height:1.8}.mission-strip{display:block;padding:10px 12px;margin-top:18px}.mission-strip a{display:inline-block;margin-top:5px}.impact-strip{grid-template-columns:1fr 1fr}.impact-strip>div{padding:13px}.impact-strip .primary-impact{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;align-items:center;border-bottom:1px solid var(--border)}.primary-impact strong{grid-column:2;grid-row:1/3;font-size:2rem}.impact-strip>div:nth-child(2){border-left:0}.impact-strip>div>span{font-size:.875rem}.impact-strip strong{font-size:1.65rem}.impact-strip .primary-impact strong{font-size:2rem}.impact-strip .metric-note{font-size:.75rem}.city-stage #city{height:370px}.world-top{top:13px;left:12px;right:12px;gap:8px}.world-title time{font-size:1.1rem}.world-title #temperature{display:none}.world-status{max-width:130px;font-size:.75rem;padding:4px 7px}.mini-label{font-size:.75rem}.world-bottom{left:10px;right:10px;bottom:3px;font-size:.75rem}.world-bottom>span{max-width:170px}.service-label{font-size:.75rem}.scene-label b{font-size:.75rem}.timeline{padding:13px 12px}.timeline-heading{font-size:.875rem;flex-wrap:wrap;gap:4px}.chart-legend{font-size:.75rem}.timeline-control{gap:10px}.timeline-control>.quiet-button{max-width:64px;font-size:.75rem}.time-ticks{font-size:.75rem}.services-panel,.comparison-panel{padding:16px 14px}.services-grid{grid-template-columns:1fr 1fr;gap:8px}.service-card{padding:12px}.section-heading{gap:10px;flex-wrap:wrap;margin-bottom:12px}.section-heading h2{font-size:1rem}.control-panel{display:block;padding:20px}.control-panel fieldset{margin-bottom:24px}.planner-actions{display:grid;grid-template-columns:1fr}.asset{margin-bottom:25px}.asset-top label{font-size:1rem}.asset-top output{font-size:1rem}.asset-foot{font-size:.75rem}.comparison-buttons{flex-direction:column}.decision-note{display:block;padding:21px 0;margin-top:24px}.decision-note>p{margin-top:13px;font-size:1rem}footer{display:block}footer>span{display:block;margin-top:18px}.model-copy{padding:14px}.demo-caption{bottom:45px;left:10px;right:10px;padding:12px;gap:8px}.demo-caption strong{font-size:1rem}.demo-caption p{font-size:.875rem;line-height:1.6}.demo-caption>span{font-size:.75rem}th,td{padding:10px 6px}.model-badge{font-size:.75rem}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* Keep comparison controls beside the city they change. */
#city-view{scroll-margin-top:18px}
.view-switcher{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;border:1px solid #75efd066;border-radius:9px;background:#142d32}
.view-switcher strong{font-size:1rem;font-weight:550;color:#c6ffeb}
.view-switcher p{font-size:.875rem;color:#b9d2db;line-height:1.65;margin:5px 0 0}
.view-buttons{display:flex;gap:6px;flex-shrink:0}.view-buttons button{min-width:78px}
.comparison-panel>p.no-plan-change{padding:14px 16px;margin:16px 0;background:#f9cc790b;border-left:3px solid var(--solar);color:#eddbb7;font-size:.875rem;line-height:1.8}
@media(max-width:600px){.view-switcher{display:block;padding:13px}.view-buttons{margin-top:12px}.view-buttons button{flex:1}.view-switcher p{font-size:.875rem}}