:root{--primary:#ffd740;--bg:#1e1e1e;--surface:#2a2a2a;--text:#fff;--text-muted:#ffffffb3;--text-dim:#ffffff8a;--blue:#448aff;--green:#69f0ae}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);width:100%;height:100%;color:var(--text);-webkit-user-select:none;user-select:none;touch-action:manipulation;font-family:Inter,sans-serif;overflow:hidden}#app{width:100%;height:100%;position:relative}#game-canvas{width:100%;height:100%;display:block;position:absolute;top:0;left:0}.overlay{background:var(--bg);z-index:10;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .25s;display:flex;position:absolute;top:0;left:0}.overlay.hidden{opacity:0;pointer-events:none}.top-bar{z-index:5;justify-content:space-between;align-items:center;padding:20px;display:flex;position:absolute;top:0;left:0;right:0}.icon-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;padding:8px;transition:background .2s;display:flex}.icon-btn:hover{background:#ffffff14}.icon-btn svg{width:26px;height:26px}.menu-content{flex-direction:column;align-items:center;width:100%;max-width:420px;padding:0 24px;display:flex}h1{color:var(--primary);letter-spacing:2px;text-align:center;margin-bottom:12px;font-family:Fredoka One,cursive;font-size:clamp(2rem,8vw,3.2rem)}p.subtitle{color:var(--text-muted);margin-bottom:20px;font-size:1rem}.difficulty-label{color:var(--text-dim);letter-spacing:1px;margin-bottom:8px;font-size:.85rem}.difficulty-toggle{border:1.5px solid #fff3;border-radius:8px;margin-bottom:28px;display:flex;overflow:hidden}.diff-btn{color:var(--text);cursor:pointer;background:0 0;border:none;flex:1;padding:10px 20px;font-family:Inter,sans-serif;font-size:.9rem;transition:all .2s}.diff-btn:not(:last-child){border-right:1.5px solid #fff3}.diff-btn.active{background:var(--primary);color:#000;font-weight:700}.diff-btn:hover:not(.active){background:#ffffff0f}.mode-card{background:var(--surface);cursor:pointer;text-align:left;border:2px solid #ffffff0f;border-radius:16px;align-items:center;width:100%;margin-bottom:16px;padding:20px;font-family:Inter,sans-serif;transition:all .2s;display:flex}.mode-card:hover{border-color:#ffffff26;transform:translateY(-2px);box-shadow:0 6px 20px #0000004d}.mode-card:active{transform:translateY(0)}.card-icon{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;margin-right:16px;display:flex}.card-text{flex-direction:column;display:flex}.card-title{color:var(--text);margin-bottom:4px;font-size:1.15rem;font-weight:700}.card-desc{color:var(--text-muted);font-size:.82rem;line-height:1.3}#hud{pointer-events:none;z-index:5;width:100%;height:100%;position:absolute;top:0;left:0}#score-display{color:#fff;text-shadow:3px 3px #000,-1px -1px #00000080;font-family:Fredoka One,cursive;font-size:clamp(2.5rem,10vw,4rem);position:absolute;top:10%;left:50%;transform:translate(-50%)}#community-hub{justify-content:flex-start;align-items:center;padding:0;overflow-y:auto}.hub-content{width:100%;max-width:500px;padding:20px 24px 24px}.hub-header{align-items:center;margin-bottom:24px;display:flex}.hub-header h2{color:var(--text);letter-spacing:1px;font-family:Fredoka One,cursive;font-size:1.4rem}.back-btn{color:var(--text);cursor:pointer;background:0 0;border:none;margin-right:16px;padding:4px 8px;font-size:1.6rem}.hub-section-label{color:var(--text-muted);margin-bottom:8px;font-size:.85rem;font-weight:700}.input-group{gap:8px;width:100%;margin-bottom:12px;display:flex}.input-group input{background:var(--surface);color:#fff;border:1.5px solid #ffffff26;border-radius:12px;outline:none;flex:1;padding:12px 14px;font-family:Inter,sans-serif;font-size:.95rem;transition:border-color .2s}.input-group input:focus{border-color:var(--green)}.input-group input::placeholder{color:var(--text-dim)}.input-group button{background:var(--green);color:#000;cursor:pointer;border:none;border-radius:12px;padding:0 20px;font-size:.95rem;font-weight:700;transition:filter .2s}.input-group button:hover{filter:brightness(1.1)}#trending-list{width:100%}.loading-text{color:var(--text-dim);text-align:center;margin-top:1rem}.preset-card{background:var(--surface);border:1px solid #ffffff0d;border-radius:12px;justify-content:space-between;align-items:center;width:100%;margin-bottom:10px;padding:14px 16px;display:flex}.preset-info h4{color:var(--text);margin-bottom:3px;font-size:.95rem}.preset-stats{color:var(--text-dim);font-size:.8rem}.play-btn{background:var(--green);color:#000;cursor:pointer;border:none;border-radius:8px;flex-shrink:0;padding:8px 16px;font-size:.85rem;font-weight:700}.play-btn:hover{filter:brightness(1.1)}#game-over{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#121212f2}.gameover-content{background:var(--surface);border:1px solid #ffffff1a;border-radius:20px;flex-direction:column;align-items:center;width:90%;max-width:360px;padding:32px 24px;display:flex;box-shadow:0 10px 30px #00000080}.gameover-title{color:var(--primary);margin-bottom:8px}.gameover-score{color:var(--text);margin-bottom:32px;font-size:1.5rem;font-weight:700}.gameover-btn{cursor:pointer;border:none;border-radius:14px;width:100%;margin-bottom:12px;padding:16px;font-family:Inter,sans-serif;font-size:1.1rem;font-weight:700;transition:all .2s}.gameover-btn:hover{transform:translateY(-2px)}.gameover-btn:active{transform:translateY(0)}.primary-btn{background:var(--blue);color:#fff}.secondary-btn{background:var(--surface);color:var(--text);border:1.5px solid #ffffff1a}.hidden{opacity:0;pointer-events:none}.ad-banner{justify-content:center;align-items:center;width:100%;min-height:60px;margin-top:16px;display:flex;overflow:hidden}.ingame-banner{z-index:8;background:#0000004d;justify-content:center;align-items:center;width:100%;min-height:50px;transition:opacity .25s;display:flex;position:absolute;bottom:0;left:0}.interstitial-content{flex-direction:column;align-items:center;width:100%;max-width:400px;padding:24px;display:flex}.interstitial-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:2px;margin-bottom:12px;font-size:.75rem}.ad-interstitial{justify-content:center;align-items:center;width:100%;min-height:250px;display:flex}.fake-ad{color:#ffffff4d;letter-spacing:2px;text-transform:uppercase;background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);border:1px dashed #ffffff26;border-radius:8px;justify-content:center;align-items:center;width:100%;height:60px;font-size:.75rem;display:flex}.fake-ad-large{height:250px;font-size:.9rem}.fake-ad-slim{border-bottom:none;border-left:none;border-right:none;border-radius:0;height:50px}