:root{--panel-bg: rgba(18, 22, 26, .78);--panel-border: rgba(255, 255, 255, .09);--text: #e8eaed;--text-dim: #9aa3ab;--accent: #5fb3a3;--accent-dim: rgba(95, 179, 163, .16);--radius: 10px;--font: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:#14161a;font-family:var(--font);color:var(--text)}.app-root{position:relative;width:100%;height:100%}.app-root canvas{display:block;outline:none}.loading-screen{position:absolute;top:0;right:0;bottom:0;left:0;z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:radial-gradient(1000px 500px at 50% 30%,#232a31,#14171b 70%);transition:opacity .55s ease}.loading-screen--done{opacity:0;pointer-events:none}.loading-screen__logo{color:var(--accent);opacity:.9}.loading-screen__title{margin:0;font-size:22px;font-weight:600;letter-spacing:.4px}.loading-screen__subtitle{margin:0;font-size:13px;color:var(--text-dim)}.loading-screen__bar{width:220px;height:3px;margin-top:10px;border-radius:2px;background:#ffffff17;overflow:hidden}.loading-screen__fill{height:100%;border-radius:2px;background:var(--accent);transition:width .25s ease}.title-bar{position:absolute;top:14px;left:16px;z-index:10;display:flex;align-items:center;gap:10px;padding:9px 14px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--accent)}.title-bar__name{font-size:13.5px;font-weight:600;color:var(--text);line-height:1.25}.title-bar__sub{font-size:11px;color:var(--text-dim)}.control-panel{position:absolute;top:14px;right:16px;z-index:10;display:flex;gap:6px;padding:7px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.cp-btn{display:inline-flex;align-items:center;gap:5px;padding:6px 9px;border:1px solid transparent;border-radius:8px;background:#ffffff0d;color:var(--text-dim);font-family:var(--font);font-size:11.5px;cursor:pointer;transition:background .15s,color .15s}.cp-btn:hover{color:var(--text);background:#ffffff1a}.cp-btn:focus-visible{outline:2px solid var(--accent);outline-offset:1px}.cp-btn--primary{color:var(--accent);background:var(--accent-dim);border-color:#5fb3a34d;font-weight:600;letter-spacing:.4px}.cp-btn--primary:hover{color:#7fd0c0;background:#5fb3a33d}.controls-hint{position:absolute;bottom:18px;left:50%;transform:translate(-50%);z-index:12;display:flex;align-items:flex-start;gap:10px;padding:10px 12px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:pointer;max-width:min(560px,calc(100vw - 24px))}.controls-hint__rows{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:11.5px;color:var(--text-dim)}.controls-hint button{display:flex;border:none;background:transparent;color:var(--text-dim);cursor:pointer;padding:2px}.controls-hint button:hover{color:var(--text)}.mobile-notice{position:absolute;top:74px;left:50%;transform:translate(-50%);z-index:12;display:flex;align-items:center;gap:10px;max-width:min(420px,calc(100vw - 24px));padding:10px 14px;background:var(--panel-bg);border:1px solid var(--panel-border);border-radius:var(--radius);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:12.5px;color:var(--text)}.mobile-notice button{display:flex;border:none;background:transparent;color:var(--text-dim);cursor:pointer;padding:2px}@media(max-width:820px){.control-panel{top:12px;right:12px}.cp-btn{padding:8px 11px;font-size:12.5px}.title-bar{left:12px;top:12px;padding:7px 11px}.title-bar__sub{display:none}}