:root{--bg:#03050c;--panel-bg:#080c16c2;--story-bg:#050810c7;--ink:#e9edf6;--muted:#8b93a8;--hair:#e9edf61f;--accent:#54ff8f;--accent-ink:#04140a;--node:#ffb347;--focus:#ffd08a;--blue:#4c9bff;--blue-line:#4c9bff47;--purple:#c08bff;--purple-line:#c08bff4d;--font-display:ui-monospace, "SF Mono", "Cascadia Mono", "Roboto Mono", "Fira Code", menlo, consolas, monospace;--font-body:-apple-system, blinkmacsystemfont, "Segoe UI", helvetica, arial, sans-serif}*{box-sizing:border-box}html,body{height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font-body);margin:0;overflow:hidden}a{color:var(--muted);text-decoration:none}a:hover{color:var(--ink)}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.skip-link{z-index:100;background:var(--accent);color:var(--accent-ink);font-family:var(--font-display);padding:.6em 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input{accent-color:var(--blue)}.feedback{min-height:0;color:var(--muted);margin:0;font-size:.76rem}.feedback-visible{color:var(--node)}#story-host{pointer-events:auto;background:var(--story-bg);border-left:1px solid var(--hair);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);grid-area:2/3;min-height:0}.story{scroll-behavior:smooth;height:100%;padding:20px;overflow-y:auto}.story-empty{color:var(--muted);max-width:40ch;font-size:.92rem;line-height:1.6}.story-stages{flex-direction:column;gap:18vh;padding-bottom:40vh;display:flex}.story-stages:first-child{padding-top:4vh}.stage{border-left:2px solid var(--hair);opacity:.45;cursor:pointer;padding-left:16px;transition:opacity .25s,border-color .25s}.stage-active{opacity:1;border-color:var(--accent)}.stage:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.stage-eyebrow{font-family:var(--font-display);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin:0 0 6px;font-size:.68rem}.stage h2{margin:0 0 8px;font-size:1.1rem}.stage-explanation{color:var(--ink);margin:0 0 10px;font-size:.92rem;line-height:1.55}.stage-fact{color:var(--muted);margin:0;font-size:.84rem;line-height:1.5}.stage-fact strong{color:var(--node)}.stage-timing{border-top:1px dashed var(--hair);font-family:var(--font-display);letter-spacing:.02em;color:var(--muted);margin:10px 0 0;padding-top:8px;font-size:.72rem;line-height:1.5}.stage-timing strong{color:var(--blue);font-weight:600}@media (prefers-reduced-motion:reduce){.story{scroll-behavior:auto}.stage{transition:none}}@media (width<=860px){.ui{grid-template-rows:auto minmax(0,48dvh) auto minmax(0,1fr);grid-template-columns:1fr}.stage-column{grid-area:2/1}#control-host{border-right:none;border-top:1px solid var(--blue-line);grid-area:3/1;max-height:34dvh}.sidebar-rail{border-bottom:1px solid var(--hair);flex-direction:row;align-items:center;padding:8px 10px}.rail-nav{flex-direction:row;flex:auto;justify-content:flex-end;gap:6px}#control-host.is-collapsed{z-index:4;border:1px solid #4c9bff73;border-radius:999px;width:auto;max-height:none;position:fixed;inset:auto auto 12px 12px;box-shadow:0 4px 18px #00000073}#control-host.is-collapsed .sidebar-rail{border-bottom:none;padding:5px 6px}#control-host.is-collapsed .rail-link,#control-host.is-collapsed .sidebar-toggle{padding:0 8px}#control-host.is-collapsed .sidebar-toggle-text{display:inline}.ui:has(#control-host.is-collapsed){grid-template-rows:auto minmax(0,62dvh) 0 minmax(0,1fr)}body[data-phase=journey] .ui:has(#control-host.is-collapsed){grid-template-rows:auto minmax(0,54dvh) 0 minmax(0,1fr)}#story-host{border-left:none;border-top:1px solid var(--hair);grid-area:4/1}.hint{display:none}.story{padding:16px}.story-stages{gap:10vh;padding-bottom:20vh}}@media (width<=860px) and (height<=560px){.ui{grid-template-rows:auto minmax(0,40dvh) auto minmax(0,1fr)}#control-host{max-height:30dvh}.ui:has(#control-host.is-collapsed){grid-template-rows:auto minmax(0,56dvh) 0 minmax(0,1fr)}body[data-phase=journey] .ui:has(#control-host.is-collapsed){grid-template-rows:auto minmax(0,46dvh) 0 minmax(0,1fr)}.site-header{padding:6px 14px}.story-stages{gap:7vh;padding-bottom:16vh}}