:root{--panel-bg: rgba(28, 25, 23, .92);--panel-text: #f5f0ea;--accent: #f5a623;--accent-soft: #ffd28a;--muted: #bdb4a9;--radius: 14px;--font: "Avenir Next", "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden;font-family:var(--font);background:#cfe6ef}#scene{position:fixed;inset:0;display:block;touch-action:none}#titlebar{position:fixed;top:14px;left:16px;pointer-events:none;color:#33302b;text-shadow:0 1px 0 rgba(255,255,255,.55)}#titlebar h1{font-size:1.25rem;letter-spacing:.02em}#titlebar p{font-size:.8rem;color:#5c564d}#station-dots{position:fixed;top:16px;right:16px;display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 120px)}#station-dots button{display:flex;align-items:center;gap:8px;border:none;background:#ffffffb8;color:#4a453e;font:600 .72rem var(--font);padding:5px 10px 5px 7px;border-radius:999px;cursor:pointer;transition:background .15s,transform .15s;white-space:nowrap}#station-dots button:hover{background:#fff;transform:translate(-2px)}#station-dots button .dot{width:9px;height:9px;border-radius:50%;background:#b8b0a4;flex-shrink:0}#station-dots button.visited .dot{background:var(--accent)}#station-dots button.active{background:var(--panel-bg);color:var(--panel-text)}#station-dots button.active .dot{background:var(--accent);box-shadow:0 0 6px var(--accent)}#info-card{position:fixed;left:16px;bottom:74px;width:min(430px,calc(100vw - 32px));background:var(--panel-bg);color:var(--panel-text);border-radius:var(--radius);padding:18px 20px 16px;box-shadow:0 12px 32px #140f0859;backdrop-filter:blur(6px);transition:opacity .25s,transform .25s}#info-card.hidden{opacity:0;transform:translateY(12px);pointer-events:none}#card-step{font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}#card-title{font-size:1.15rem;margin-bottom:8px}#card-what{font-size:.86rem;line-height:1.45;color:#e8e2d9}#card-science{margin-top:12px;padding:10px 12px;background:#f5a6231f;border-left:3px solid var(--accent);border-radius:6px}.science-label{display:block;font-size:.66rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-soft);margin-bottom:4px}#card-science-text{font-size:.8rem;line-height:1.45;color:#efe9df}#card-close{position:absolute;top:8px;right:10px;border:none;background:none;color:var(--muted);font-size:1.3rem;line-height:1;cursor:pointer}#card-close:hover{color:#fff}#controls{position:fixed;left:16px;bottom:16px;display:flex;gap:8px}#controls button{border:none;background:var(--panel-bg);color:var(--panel-text);font:700 1rem var(--font);width:46px;height:46px;border-radius:12px;cursor:pointer;box-shadow:0 4px 14px #140f0840;transition:background .15s,transform .1s}#controls button:hover{background:#3a352f}#controls button:active{transform:scale(.94)}#btn-speed{font-size:.85rem}#hint{position:fixed;bottom:50px;right:16px;font-size:.7rem;color:#5c564d;text-shadow:0 1px 0 rgba(255,255,255,.5);pointer-events:none}#credit{position:fixed;bottom:16px;right:16px;font-size:.72rem;color:#4a453e;background:#ffffffc7;padding:6px 12px;border-radius:999px;max-width:calc(100vw - 240px);text-align:right;box-shadow:0 2px 8px #140f081f}#credit a{color:#b35c1e;font-weight:600;text-decoration:none}#credit a:hover{text-decoration:underline}.credit-sep{color:#a39a8e}@media(max-width:640px){#titlebar h1{font-size:1.02rem}#titlebar p{display:none}#station-dots{top:12px;right:12px;gap:4px}#station-dots button{padding:4px 7px}#station-dots button .label{display:none}#info-card{left:10px;right:10px;bottom:68px;width:auto;padding:14px 16px 12px;max-height:46vh;overflow-y:auto}#card-title{font-size:1rem}#card-what{font-size:.8rem}#controls{left:10px;bottom:10px}#controls button{width:42px;height:42px}#hint{display:none}#credit{font-size:.62rem;padding:5px 10px;border-radius:12px;max-width:calc(100vw - 230px)}}