:root{color-scheme:light}.header-actions{display:flex;align-items:center;gap:22px}.theme-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink);font-size:11px;white-space:nowrap}.theme-toggle:hover{background:#80857012}.theme-icon{font-size:17px;line-height:1}.theme-label{font-size:10px}
:root[data-theme=dark]{color-scheme:dark;--paper:#17201e;--ink:#e5e8dc;--muted:#a4afa0;--line:#39473d;--accent:#e0a47b;--surface:#202c26;--surface-raised:#29362e;--secondary:#aebbab;--subtle:#99aa95;--link:#edb68d}
[data-theme=dark] .mark{border-color:#7e9078}
[data-theme=dark] h1 em,[data-theme=dark] h2 em{color:#a7b79a}
[data-theme=dark] .explorer{border-color:var(--line)}
[data-theme=dark] .scene-toolbar,[data-theme=dark] .explode-controls,[data-theme=dark] .inspector-toggle{background:var(--surface-raised)}
[data-theme=dark] .inspector,[data-theme=dark] .subsystems,[data-theme=dark] .running-controls{background:var(--surface)}
[data-theme=dark] .view-buttons button,[data-theme=dark] .muted,[data-theme=dark] .inspector-top>span:last-child,[data-theme=dark] #detail .part-system,[data-theme=dark] #detail .part-code,[data-theme=dark] #detail p,[data-theme=dark] .part-browser label,[data-theme=dark] .part-list button,[data-theme=dark] .slider-labels,[data-theme=dark] .subsystems button,[data-theme=dark] .subsystems>span,[data-theme=dark] .section-heading>p:last-child,[data-theme=dark] .story-number,[data-theme=dark] .story p,[data-theme=dark] .sources p:not(.eyebrow),[data-theme=dark] footer,[data-theme=dark] .running-options label,[data-theme=dark] .running-readout strong,[data-theme=dark] .date-readout,[data-theme=dark] #running-note,[data-theme=dark] .inspector-toggle span,[data-theme=dark] .inspector-toggle b{color:var(--secondary)}
[data-theme=dark] .view-buttons button.active{background:#43523d;color:#f1f2e8;box-shadow:none}
[data-theme=dark] #detail .evidence{color:#d6b796;border-color:#b98d65}
[data-theme=dark] #detail a,[data-theme=dark] .slider-labels output,[data-theme=dark] .part-list button.active,[data-theme=dark] .story-action,[data-theme=dark] .source-grid a,[data-theme=dark] .credits a,[data-theme=dark] .dimensions summary{color:var(--link)}
[data-theme=dark] .part-list button{border-bottom-color:var(--line)}
[data-theme=dark] .part-actions button,[data-theme=dark] #motion,[data-theme=dark] .running-options select,[data-theme=dark] .running-options button{border-color:#65755c;color:#d2ddc9}
[data-theme=dark] .part-actions #show-all{border-color:transparent;color:#bcc8b3}
[data-theme=dark] .part-actions button[aria-pressed=true],[data-theme=dark] #motion[aria-pressed=true]{background:#42563b;color:#f0f4e9}
[data-theme=dark] .subsystems button.active{background:#35462f;border-color:#819373;color:#e1ebd8}
[data-theme=dark] .story{border-top-color:#64765a}
[data-theme=dark] .story-icon{color:#c3b494}
[data-theme=dark] .dimensions td,[data-theme=dark] .dimensions th{border-color:var(--line);color:var(--secondary)}
[data-theme=dark] .credits strong,[data-theme=dark] #movement-time,[data-theme=dark] .date-readout b{color:#e0e9d5}
[data-theme=dark] .running-options select{background:var(--surface-raised)}
[data-theme=dark] #part-search::placeholder{color:#a2ad9b;opacity:1}
[data-theme=dark] input[type=range]{background:linear-gradient(to right,#dda47c var(--progress,0%),#64715c var(--progress,0%))}
[data-theme=dark] input[type=range]::-webkit-slider-thumb{background:#263325;border-color:#dda47c}
[data-theme=dark] input[type=range]::-moz-range-thumb{background:#263325;border-color:#dda47c}
@media(max-width:760px){.header-actions{gap:9px}.header-actions .source-link{max-width:75px;font-size:9px}.theme-toggle{min-width:44px;padding:8px}.theme-label{display:none}.theme-icon{font-size:21px}.wordmark{gap:10px}.wordmark>span:last-child{font-size:8px;letter-spacing:.9px}.wordmark small{font-size:8px;letter-spacing:0}[data-theme=dark] input[type=range]{background:transparent}[data-theme=dark] input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(to right,#dda47c var(--progress,0%),#64715c var(--progress,0%))}[data-theme=dark] input[type=range]::-moz-range-track{background:#64715c}}
[data-theme=dark] .power-tour{background:#283328;border-color:#7b8462}[data-theme=dark] .tour-copy p,[data-theme=dark] .tour-heading>span:last-child,[data-theme=dark] .tour-hint{color:#b3bea6}[data-theme=dark] .tour-copy a{color:var(--link)}[data-theme=dark] .tour-navigation button{border-color:#718065;color:#e4eadb}[data-theme=dark] .tour-navigation #tour-next{background:#a4774e;border-color:#a4774e;color:#fff9ed}[data-theme=dark] .tour-navigation #tour-exit{border-color:transparent;color:#bdc6b3}[data-theme=dark] .subsystems .tour-start{background:#39452e;border-color:#a19a72;color:#e6d9b9}[data-theme=dark] .subsystems .tour-start[aria-expanded=true]{background:#a4774e;border-color:#a4774e;color:#fff9ed}