html,body{height:100%;width:100%;margin:0;padding:0;overflow:hidden;background:#0b0f19;color:#e9edf5;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,"Apple Color Emoji","Segoe UI Emoji"}#app{height:100%;width:100%}canvas{display:block;height:100%;width:100%}.overlay{position:fixed;top:12px;left:12px;z-index:10;display:grid;gap:8px;padding:10px;background:#0e121eb8;border:1px solid rgba(255,255,255,.08);border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.overlay .row{display:flex;gap:8px;align-items:center}.overlay button{appearance:none;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#e9edf5;padding:8px 10px;border-radius:10px;font-weight:600;cursor:pointer}.overlay button:hover{border-color:#ffffff3d;background:#ffffff17}.overlay .lang-btn{font-size:18px;padding:6px 10px;min-width:40px}.overlay .hint{font-size:12px;opacity:.85;line-height:1.3}.settings{position:fixed;top:12px;right:12px;z-index:11;width:320px;max-width:calc(100vw - 24px);display:grid;gap:10px;padding:12px;background:#0e121ec7;border:1px solid rgba(255,255,255,.1);border-radius:14px;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.settings.hidden{display:none}.settings-header{display:flex;align-items:center;justify-content:space-between}.settings-title{font-weight:800;font-size:13px;letter-spacing:.2px}.settings-close{appearance:none;border:1px solid rgba(255,255,255,.12);background:#ffffff0f;color:#e9edf5;width:34px;height:30px;border-radius:10px;cursor:pointer;font-size:18px;line-height:1}.settings-close:hover{border-color:#ffffff3d;background:#ffffff17}.settings-body{display:grid;gap:10px}.settings-row{display:grid;grid-template-columns:1fr 1.2fr;gap:10px;align-items:center}.settings-label{font-size:12px;opacity:.9}.settings-control{display:flex;gap:8px;align-items:center;justify-content:flex-end}.settings-control input[type=range]{width:140px}.settings-value{width:42px;text-align:right;font-size:12px;opacity:.85}.settings-credits{border-top:1px solid rgba(255,255,255,.08);padding-top:10px;font-size:12px;opacity:.9;line-height:1.35}.settings-credits-title{font-weight:800;margin-bottom:6px}