:root{--bg-primary:#0a0a0a;--bg-secondary:#1a1a1a;--text-primary:#ffffff;--text-secondary:#a0a0a0;--accent:#00d4ff;--accent-hover:#00b8e6;--zone:#00d4ff;--zone-bonus:#ff6b35;--slider:#ffffff;--perfect:#00ff88;--hit:#00d4ff;--miss:#ff4444;--border-radius:12px;--shadow:0 4px 16px rgba(0,0,0,0.4)}[data-theme=light]{--bg-primary:#ffffff;--bg-secondary:#f5f5f5;--text-primary:#1a1a1a;--text-secondary:#666666;--accent:#0088cc;--accent-hover:#006699;--zone:#0088cc;--zone-bonus:#ff6b35;--slider:#1a1a1a;--perfect:#00cc66;--hit:#0088cc;--miss:#cc3333;--shadow:0 4px 16px rgba(0,0,0,0.1)}*{box-sizing:border-box;margin:0;padding:0}.tap-stop-app{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;transition:background-color .3s ease,color .3s ease}.game-container{width:100%;max-width:800px;background-color:var(--bg-secondary);border-radius:var(--border-radius);box-shadow:var(--shadow);padding:32px;position:relative}.game-header{text-align:center;margin-bottom:24px}.game-header h1{font-size:32px;font-weight:700;color:var(--accent)}.menu-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px}.menu-content{text-align:center}.menu-content h2{font-size:48px;margin-bottom:16px;color:var(--accent)}.menu-content p{font-size:18px;margin-bottom:12px;color:var(--text-secondary)}.instructions{font-size:16px;line-height:1.6;margin:24px 0}.high-score{font-size:24px;font-weight:600;color:var(--perfect);margin:24px 0}.menu-button,.play-again-button,.start-button{background:var(--accent);color:#ffffff;border:none;border-radius:var(--border-radius);padding:16px 48px;font-size:20px;font-weight:600;cursor:pointer;transition:all .2s ease;margin-top:16px;min-width:200px}.menu-button:hover,.play-again-button:hover,.start-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,212,255,.4)}.menu-button{background:transparent;border:2px solid var(--text-secondary);color:var(--text-primary)}.menu-button:hover{background:var(--bg-primary);border-color:var(--accent);box-shadow:none}.game-screen{display:flex;flex-direction:column;gap:24px}.stats{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.stat{display:flex;flex-direction:column;align-items:center;gap:4px}.stat-label{font-size:14px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.stat-value{font-size:32px;font-weight:700;color:var(--text-primary)}.combo-stat .stat-value{color:var(--perfect);animation:pulse .5s ease-in-out}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.hit-feedback{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:36px;font-weight:700;animation:feedbackPop 1s ease-out forwards;pointer-events:none;z-index:100;text-shadow:0 2px 8px rgba(0,0,0,.5)}.hit-feedback.perfect{color:var(--perfect)}.hit-feedback.hit{color:var(--hit)}.hit-feedback.miss{color:var(--miss)}@keyframes feedbackPop{0%{transform:translate(-50%,-50%) scale(.5);opacity:0}20%{transform:translate(-50%,-50%) scale(1.2);opacity:1}to{transform:translate(-50%,-80%) scale(1);opacity:0}}.game-area{position:relative;padding:60px 0}.track{position:relative;width:100%;height:60px;background:var(--bg-primary);overflow:visible}.track,.zone{border-radius:30px}.zone{position:absolute;top:0;height:100%;background:var(--zone);opacity:.3;transition:all .3s ease}.zone.bonus-zone{background:var(--zone-bonus);opacity:.4}.slider{position:absolute;top:50%;transform:translate(-50%,-50%);width:20px;height:80px;background:var(--slider);border-radius:10px;box-shadow:0 0 20px rgba(255,255,255,.5);transition:transform .05s linear}.tap-button{background:var(--accent);color:#ffffff;border:none;border-radius:var(--border-radius);padding:20px 60px;font-size:24px;font-weight:700;cursor:pointer;transition:all .2s ease;width:100%;max-width:400px;margin:0 auto;display:block;text-transform:uppercase;letter-spacing:1px}.tap-button:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,212,255,.4)}.tap-button:active{transform:translateY(0)}.instructions-mini{text-align:center;color:var(--text-secondary);font-size:14px}.game-over-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:400px}.game-over-content{text-align:center;width:100%}.game-over-content h2{font-size:48px;margin-bottom:32px;color:var(--text-primary)}.final-stats{display:flex;flex-direction:column;gap:16px;margin-bottom:32px;padding:24px;background:var(--bg-primary);border-radius:var(--border-radius)}.final-stat{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--text-secondary)}.final-stat:last-child{border-bottom:none}.final-stat .stat-label{font-size:16px;color:var(--text-secondary)}.final-stat .stat-value{font-size:28px;font-weight:700;color:var(--accent)}@media (max-width:640px){.game-container{padding:20px}.game-header h1{font-size:24px}.game-over-content h2,.menu-content h2{font-size:36px}.stat-value{font-size:24px}.tap-button{padding:16px 40px;font-size:20px}.track{height:40px}.slider{width:16px;height:60px}}