:root,html[data-theme=light]{--text-1: #14181f;--text-2: #4b5563;--text-3: #8b94a3;--text-4: #ffffff;--text-5: #0f6fff;--text-6: #b4232c;--bg-1: #f5f7fa;--bg-2: #ffffff;--bg-3: #e6eaf0;--bg-4: #0f6fff;--bg-5: #14181f;--bg-6: rgba(20, 24, 31, .55)}html[data-theme=dark]{--text-1: #eef2f8;--text-2: #a8b2c1;--text-3: #6b7484;--text-4: #0b0e13;--text-5: #5aa2ff;--text-6: #ff6b73;--bg-1: #0b0e13;--bg-2: #151a22;--bg-3: #222a35;--bg-4: #5aa2ff;--bg-5: #eef2f8;--bg-6: rgba(0, 0, 0, .62)}*{box-sizing:border-box}html,body{margin:0;padding:0;width:100%;height:100%;overflow:hidden;background:var(--bg-1);color:var(--text-1);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}body{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}#app{position:fixed;inset:0}#game-canvas{display:block;width:100%;height:100%;touch-action:none}.overlay{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:24px;background:var(--bg-6);padding:calc(env(safe-area-inset-top) + 24px) calc(env(safe-area-inset-right) + 24px) calc(env(safe-area-inset-bottom) + 24px) calc(env(safe-area-inset-left) + 24px);z-index:10}.overlay[hidden]{display:none}.panel{background:var(--bg-2);border-radius:20px;padding:36px 44px;max-height:85vh;display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}.panel__title{margin:0;font-size:34px;color:var(--text-1)}.panel__sub{margin:0;font-size:17px;color:var(--text-2)}.panel__hint{margin:0;font-size:14px;color:var(--text-3)}.btn{min-height:56px;min-width:220px;padding:0 32px;border:0;border-radius:28px;font-size:20px;font-weight:600;background:var(--bg-4);color:var(--text-4);cursor:pointer;touch-action:manipulation}.btn:active{opacity:.85}.icon-btn{position:fixed;top:calc(env(safe-area-inset-top) + 12px);right:calc(env(safe-area-inset-right) + 12px);width:48px;height:48px;border:0;border-radius:24px;font-size:20px;background:var(--bg-3);color:var(--text-1);cursor:pointer;z-index:20;touch-action:manipulation}.hud{position:fixed;top:calc(env(safe-area-inset-top) + 16px);left:calc(env(safe-area-inset-left) + 16px);font-size:14px;color:var(--text-3);pointer-events:none;z-index:15}.stick{position:fixed;width:120px;height:120px;margin:-60px 0 0 -60px;border-radius:60px;border:2px solid var(--text-3);background:var(--bg-6);pointer-events:none;z-index:15}.stick[hidden]{display:none}.stick__knob{position:absolute;left:50%;top:50%;width:52px;height:52px;margin:-26px 0 0 -26px;border-radius:26px;background:var(--bg-4)}