*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:#0b1020;color:#fff}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block}
.hud{position:fixed;left:0;right:0;display:flex;justify-content:space-between;align-items:center;padding:12px 16px;pointer-events:none;z-index:5}
.brand{font-weight:900;letter-spacing:.08em;background:rgba(0,0,0,.45);padding:8px 12px;border-radius:999px;backdrop-filter:blur(8px)}
.pill{background:rgba(0,0,0,.5);padding:7px 11px;border-radius:999px;font-size:13px;backdrop-filter:blur(8px)}
.panel{position:fixed;z-index:5;background:rgba(10,15,35,.68);border:1px solid rgba(255,255,255,.14);border-radius:16px;backdrop-filter:blur(10px)}
.people{top:64px;right:12px;width:190px;padding:12px}.people h3{margin:0 0 8px;font-size:13px}.people ul{margin:0;padding:0;list-style:none;font-size:13px;line-height:1.9}
.chat{left:12px;bottom:52px;width:min(360px,calc(100vw - 24px));padding:10px}
#chatLog{height:150px;overflow:auto;font-size:13px;line-height:1.6;padding-right:4px}
#chatForm{display:flex;gap:8px;margin-top:8px}#chatForm input{flex:1;padding:10px;border-radius:10px;border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.1);color:#fff}
#chatForm button,#enterBtn{background:#ff5a7a;color:#fff;border:0;padding:10px 16px;border-radius:10px;font-weight:700;cursor:pointer}
.help{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;z-index:4;white-space:nowrap;font-size:12px}
#join{position:fixed;inset:0;background:radial-gradient(800px 500px at 50% 20%,#3b2d8f,transparent),linear-gradient(180deg,rgba(5,8,25,.55),rgba(5,8,25,.9));display:grid;place-items:center;z-index:20;padding:16px}
.card{width:min(440px,100%);background:#fff;color:#111827;border-radius:24px;padding:28px;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.card h1{margin:0 0 8px}.card p{color:#4b5563;line-height:1.7}.card label{display:block;margin:16px 0;font-weight:700;font-size:14px}
.card input{width:100%;margin-top:6px;padding:12px;border-radius:12px;border:1px solid #e5e7eb;font-size:16px}
.colors{display:flex;gap:8px;margin-top:8px}.c{width:36px;height:36px;border-radius:50%;border:3px solid transparent;cursor:pointer}.c.active{border-color:#111}
#enterBtn{width:100%;padding:14px;font-size:16px;margin-top:6px}.card small{display:block;margin-top:14px;color:#6b7280;line-height:1.6}
#joystick{display:none;position:fixed;left:18px;bottom:220px;width:110px;height:110px;border-radius:50%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);z-index:6}
#stick{position:absolute;left:35px;top:35px;width:40px;height:40px;border-radius:50%;background:#fff}
#jumpBtn{display:none;position:fixed;right:18px;bottom:220px;z-index:6;padding:14px;border-radius:999px;border:0;background:#fff;font-weight:800}
@media(max-width:700px){.people{display:none}.help{display:none}#joystick,#jumpBtn{display:block}.chat{bottom:16px}}