:root{--bg-deep: #070a13;--bg-mid: #0f172a;--bg-light: #1e293b;--text-main: #f1f5f9;--accent: #6366f1;--accent-light: #818cf8}.game-container{width:100%;height:100vh;background:radial-gradient(circle at center,#0f172a,#05070f);color:var(--text-main);font-family:-apple-system,Inter,SF Pro Display,system-ui,sans-serif;position:relative;overflow:hidden;display:flex;flex-direction:column;-webkit-user-select:none;user-select:none}.nebula{position:absolute;border-radius:50%;filter:blur(140px);opacity:.15;pointer-events:none;z-index:1;mix-blend-mode:screen}.nebula-pink{width:450px;height:450px;background:#db2777;top:-120px;left:-100px;animation:floatNebula 28s infinite alternate ease-in-out}.nebula-blue{width:550px;height:550px;background:#2563eb;bottom:-180px;right:-100px;animation:floatNebula 38s infinite alternate-reverse ease-in-out}@keyframes floatNebula{0%{transform:translate(0) scale(1)}to{transform:translate(100px,60px) scale(1.25)}}.star-background{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2}.star{position:absolute;width:2px;height:2px;background:#fff;border-radius:50%;opacity:.25;animation:twinkle 5s infinite ease-in-out}@keyframes twinkle{0%,to{opacity:.15;transform:scale(.8)}50%{opacity:.85;transform:scale(1.4)}}.shooting-star{position:absolute;width:120px;height:2px;background:linear-gradient(90deg,#fffc,#fff0);transform:rotate(-35deg);opacity:0;pointer-events:none}.shooting-star.s1{top:10%;left:20%;animation:shoot 12s infinite ease-in-out}.shooting-star.s2{top:30%;left:60%;animation:shoot 18s infinite ease-in-out 4s}.shooting-star.s3{top:5%;left:80%;animation:shoot 15s infinite ease-in-out 8s}@keyframes shoot{0%{transform:translate(-100px,-100px) rotate(-35deg);opacity:0;width:0}10%{opacity:.8;width:120px}20%{transform:translate(200px,140px) rotate(-35deg);opacity:0;width:0}to{transform:translate(200px,140px) rotate(-35deg);opacity:0}}.constellation-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:3}.constellation-line{animation:pulseLine 2s infinite alternate ease-in-out}@keyframes pulseLine{0%{stroke-width:1px}to{stroke-width:2px}}.keyboard-lanes{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:2;display:flex}.lane{position:absolute;top:0;bottom:0;border-right:1px dashed rgba(255,255,255,.03);display:flex;align-items:flex-end;justify-content:center;padding-bottom:120px;transition:background .15s ease}.lane.active{background:linear-gradient(to top,#6366f114,#6366f100)}.lane-key{font-family:monospace;font-size:14px;font-weight:700;color:#ffffff26;border:1px solid rgba(255,255,255,.08);padding:4px 10px;border-radius:6px;background:#0f172a66;transition:all .15s ease}.lane.active .lane-key{color:#818cf8;border-color:#818cf8;box-shadow:0 0 10px #6366f166;transform:scale(1.1)}.trail-particle{position:absolute;border-radius:50%;pointer-events:none;z-index:6;transform:translate(-50%,-50%)}.click-ripple{position:absolute;width:10px;height:10px;background:radial-gradient(circle,#ffffff59,#6366f100 75%);border:1px solid rgba(255,255,255,.2);border-radius:50%;pointer-events:none;transform:translate(-50%,-50%);z-index:5;animation:rippleEffect .7s cubic-bezier(.1,.8,.2,1) forwards}@keyframes rippleEffect{0%{width:10px;height:10px;opacity:1}to{width:180px;height:180px;opacity:0}}.floating-text{position:absolute;font-size:16px;font-weight:700;pointer-events:none;z-index:15;transform:translate(-50%,-50%);text-shadow:0 2px 10px rgba(0,0,0,.5)}.game-header{padding:16px 24px;display:flex;justify-content:space-between;align-items:center;z-index:10;background:linear-gradient(to bottom,#05070fcc,#05070f00);-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px)}.cloud-sync{display:flex;align-items:center;gap:6px;font-size:12px;color:#94a3b8}.score-area{display:flex;flex-direction:column;align-items:center}.score-display{display:flex;align-items:center;gap:8px;font-size:38px;font-weight:800;color:#fff;text-shadow:0 0 20px rgba(99,102,241,.5)}.combo-badge{font-size:11px;font-weight:700;color:#fbbf24;background:#fbbf2426;padding:2px 8px;border-radius:10px;border:1px solid rgba(251,191,36,.2);margin-top:2px;letter-spacing:.05em;animation:pulse 1s infinite alternate ease-in-out}.stats-right{display:flex;align-items:center;gap:12px}.gold-display{display:flex;align-items:center;gap:4px;font-size:13px;font-weight:600;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);padding:4px 10px;border-radius:12px}.high-score{display:flex;align-items:center;gap:5px;font-size:12px;background:#ffffff0d;border:1px solid rgba(255,255,255,.08);padding:4px 10px;border-radius:12px;color:#e2e8f0}.game-stage{flex:1;position:relative;cursor:crosshair;z-index:5}.time-slow-overlay{position:absolute;top:0;right:0;bottom:0;left:0;border:2px solid rgba(99,102,241,.3);background:#6366f108;display:flex;align-items:flex-end;justify-content:center;padding-bottom:24px;font-size:13px;color:#818cf8cc;pointer-events:none;animation:pulse 2s infinite alternate ease-in-out}.shield-overlay{position:absolute;top:0;right:0;bottom:0;left:0;border:2px solid rgba(52,211,153,.3);background:#34d39905;display:flex;align-items:flex-end;justify-content:center;padding-bottom:24px;font-size:13px;color:#34d399cc;pointer-events:none;animation:pulse 1.5s infinite alternate ease-in-out}.bubble-wrapper{position:absolute;transform:translate(-50%,-50%);filter:drop-shadow(0 6px 16px rgba(0,0,0,.35));cursor:pointer;touch-action:none}.bubble-wrapper:active{transform:translate(-50%,-50%) scale(.85)}.action-bar{position:absolute;bottom:60px;left:50%;transform:translate(-50%);display:flex;gap:12px;z-index:20;background:#0f172a99;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:6px;border-radius:16px;border:1px solid rgba(255,255,255,.08)}.shop-item{background:transparent;border:none;color:#94a3b8;padding:8px 14px;border-radius:10px;font-size:13px;display:flex;align-items:center;gap:6px;cursor:pointer;transition:all .2s ease}.shop-item:hover:not(.disabled){background:#ffffff14;color:#fff}.shop-item.disabled{opacity:.4;cursor:not-allowed}.shop-item .price{font-size:11px;color:#fbbf24;background:#fbbf241a;padding:1px 5px;border-radius:6px}.key-hint{font-family:monospace;font-size:10px;background:#ffffff26;color:#e2e8f0;padding:1px 4px;border-radius:3px;border:1px solid rgba(255,255,255,.1)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#05070fcc;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:#0f172ae6;padding:36px 32px;border-radius:20px;border:1px solid rgba(255,255,255,.08);text-align:center;box-shadow:0 20px 40px -10px #0009;max-width:380px;width:90%}.title{font-size:28px;font-weight:700;margin-bottom:12px;letter-spacing:-.02em;background:linear-gradient(to right,#a5b4fc,#f472b6);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.empty-description{font-size:13px;line-height:1.6;color:#94a3b8;margin-bottom:20px}.cosmic-quote{font-size:12px;font-style:italic;color:#818cf8;background:#818cf80f;padding:10px 14px;border-radius:8px;margin-bottom:28px;line-height:1.5;border-left:3px solid #818cf8}.loading-state{padding:16px 0;display:flex;flex-direction:column;align-items:center;gap:14px}.loading-text{font-size:13px;color:#94a3b8;height:40px;max-width:280px;line-height:1.5}.final-stats{margin-bottom:28px;background:#ffffff05;padding:16px;border-radius:12px;border:1px solid rgba(255,255,255,.04)}.final-score-label{font-size:12px;color:#94a3b8;margin-bottom:4px}.final-score-val{font-size:44px;font-weight:800;color:#fff}.new-record{color:#fbbf24;font-weight:600;font-size:12px;margin-top:8px;animation:bounce 1.2s infinite}.main-btn{background:var(--accent);color:#fff;border:none;padding:12px 24px;border-radius:12px;font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;width:100%;transition:all .2s ease;box-shadow:0 4px 12px #6366f140}.main-btn:hover{background:var(--accent-light);transform:translateY(-1px);box-shadow:0 6px 16px #6366f159}.shortcut-hint-box{margin-top:20px;display:flex;flex-direction:column;gap:8px;border-top:1px solid rgba(255,255,255,.05);padding-top:16px}.shortcut-hint{font-size:11px;color:#64748b;display:flex;align-items:center;justify-content:center;gap:6px}.shortcut-hint strong{color:#94a3b8;background:#ffffff0f;padding:1px 5px;border-radius:4px;font-family:monospace}.game-footer{padding:16px;text-align:center;font-size:11px;color:#475569;display:flex;align-items:center;justify-content:center;gap:10px;z-index:10}.footer-item{display:flex;align-items:center;gap:5px}.footer-divider{color:#334155}.icon-pulse{animation:pulse 2s infinite ease-in-out}.icon-spin{animation:spin 1s linear infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.12);opacity:.8}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-3px)}}