:root{--bg-dark: #0B0E14;--card-bg: #161B22;--neon-blue: #00D1FF;--neon-pink: #FF00E5;--neon-green: #6BCB77;--text: #E6EDF3}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,sans-serif;background-color:var(--bg-dark);color:var(--text);display:flex;justify-content:center;align-items:center;min-height:100vh}.card{background:var(--card-bg);width:100%;max-width:500px;height:100vh;display:flex;flex-direction:column;position:relative;overflow:hidden}@media(min-height:750px){.card{height:700px;border-radius:24px;box-shadow:0 20px 50px #00000080}}.nav-bar{padding:1rem;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.05)}.game-title{font-size:1.2rem;font-weight:800;background:linear-gradient(to right,var(--neon-blue),var(--neon-pink));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:2px}.icon-btn{color:var(--text);background:none;border:none;cursor:pointer;opacity:.7;transition:opacity .2s;text-decoration:none}.icon-btn:hover{opacity:1}.score-badge{background:#00d1ff1a;color:var(--neon-blue);padding:4px 10px;border-radius:50px;font-size:.8rem;font-weight:700;display:flex;align-items:center;gap:4px}.game-container{flex-grow:1;padding:1.5rem;display:flex;flex-direction:column;align-items:center;position:relative}.stats-box{display:flex;gap:20px;margin-bottom:2rem}.stat{font-size:.9rem;color:#8899a6;font-weight:700}.stat span{color:var(--neon-blue);font-size:1.2rem}.tower-area{display:flex;justify-content:space-around;align-items:flex-end;width:100%;height:300px;margin-top:2rem;gap:10px}.pillar-container{width:30%;height:100%;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;cursor:pointer;padding-bottom:10px}.pillar-container.selected .pillar-rod{background:var(--neon-blue);box-shadow:0 0 20px var(--neon-blue)}.pillar-rod{position:absolute;width:8px;height:180px;background:#ffffff1a;border-radius:4px;bottom:20px;transition:all .2s}.pillar-base{position:absolute;bottom:0;width:90%;height:12px;background:#2d3436;border-radius:6px;box-shadow:inset 0 2px 5px #00000080}.disks-container{width:100%;height:200px;display:flex;flex-direction:column-reverse;align-items:center;position:relative;pointer-events:none}.disk{position:absolute;border-radius:10px;border:1px solid rgba(255,255,255,.1)}.overlay{position:absolute;inset:0;background:#0b0e14f2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem;text-align:center;z-index:100}.neon-icon{font-size:4rem;margin-bottom:1rem;filter:drop-shadow(0 0 15px var(--neon-pink))}.difficulty-selector{margin-bottom:2rem}.difficulty-selector p{margin-bottom:.75rem;font-weight:700;color:#8899a6}.diff-btns{display:flex;gap:8px}.diff-btn{width:40px;height:40px;border-radius:10px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);color:#fff;font-weight:700;cursor:pointer;transition:all .2s}.diff-btn.active{background:var(--neon-blue);border-color:var(--neon-blue);color:#000;box-shadow:0 0 15px var(--neon-blue)}.btn-main{background:var(--neon-blue);color:#000;border:none;padding:12px 40px;border-radius:14px;font-size:1.1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;transition:transform .2s;box-shadow:0 0 25px var(--neon-blue)}.btn-main:hover{transform:scale(1.05)}.success-overlay .final-score{font-size:5rem;font-weight:800;color:#fff;text-shadow:0 0 20px var(--neon-green);margin-bottom:0}.action-row{display:flex;flex-direction:column;gap:10px;width:100%;max-width:200px}.btn-secondary{background:none;border:1px solid rgba(255,255,255,.2);color:var(--text);padding:10px 20px;border-radius:12px;cursor:pointer;font-weight:700}.ad-container{padding:1rem;background:#000;display:flex;justify-content:center;align-items:center;min-height:70px;border-top:1px solid rgba(255,255,255,.05);margin-top:auto}.hero-anim{animation:fadeIn .5s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}