#hud{pointer-events:none;color:#e6edf3;font-family:Inter,-apple-system,BlinkMacSystemFont,PingFang SC,sans-serif;position:fixed;top:0;bottom:0;left:0;right:0}#caption{text-align:center;opacity:0;max-width:640px;padding:0 24px;transition:opacity .4s;position:absolute;bottom:18vh;left:50%;transform:translate(-50%)}#caption.show{opacity:1}#caption h2{margin:0 0 8px;font-size:clamp(20px,3vw,36px);font-weight:600}#caption p{color:#b6c0cc;margin:0;font-size:clamp(14px,1.4vw,18px)}#lang{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto;background:#0a0e148c;border:1px solid #1f2937;border-radius:999px;gap:2px;padding:4px;font-family:JetBrains Mono,monospace;font-size:12px;display:flex;position:fixed;top:16px;right:16px}#lang button{color:#9aa5b1;cursor:pointer;background:0 0;border:0;border-radius:999px;padding:6px 12px}#lang button.active{color:#0a0e14;background:#ffd166}#sandbox-hud{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto;background:#0a0e14b3;border:1px solid #1f2937;border-radius:12px;gap:8px;padding:8px;display:none;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}#sandbox-hud.show{display:flex}#sandbox-hud button{color:#e6edf3;cursor:pointer;background:#131822;border:1px solid #1f2937;border-radius:8px;padding:8px 14px;font-family:JetBrains Mono,monospace;font-size:14px}#sandbox-hud button.armed{color:#ffd166;border-color:#ffd166}