*{margin:0;padding:0;box-sizing:border-box}
html,body{width:100%;height:100%;overflow:hidden;font-family:'Poppins',sans-serif;background:#2d1b69;color:#fff;touch-action:none;user-select:none;-webkit-user-select:none}

.screen{position:fixed;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;z-index:10}
.screen.active{display:flex}

/* MENU */
.menu-bg{position:absolute;inset:0;background:linear-gradient(180deg,#1a0e3e 0%,#2d1b69 40%,#3d2580 100%);z-index:0}
.menu-content{position:relative;z-index:1;text-align:center;padding:20px}
.ball-preview{width:70px;height:70px;margin:0 auto 20px;border-radius:50%;background:conic-gradient(#4ecdc4 0deg,#44b4e0 120deg,#ffe66d 240deg,#4ecdc4 360deg);box-shadow:0 0 30px rgba(78,205,196,.5),0 0 60px rgba(78,205,196,.2);animation:ballFloat 2.5s ease-in-out infinite}
@keyframes ballFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
.game-title{font-family:'Orbitron',sans-serif;font-size:clamp(2.5rem,8vw,4rem);font-weight:900;letter-spacing:4px;margin-bottom:6px;color:#fff}
.game-title span{background:linear-gradient(135deg,#4ecdc4,#44b4e0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.tagline{color:rgba(255,255,255,.5);font-size:.95rem;margin-bottom:12px;font-weight:300}
.best-score{font-family:'Orbitron',sans-serif;font-size:.85rem;color:#ffe66d;margin-bottom:28px;letter-spacing:2px}
.menu-buttons{display:flex;flex-direction:column;gap:12px;width:240px;margin:0 auto 24px}
.btn-main,.btn-secondary{border:none;cursor:pointer;font-family:'Poppins',sans-serif;font-weight:600;font-size:1rem;border-radius:14px;padding:14px 28px;transition:all .25s;display:flex;align-items:center;justify-content:center;gap:8px}
.btn-main{background:linear-gradient(135deg,#4ecdc4,#44b4e0);color:#1a0e3e;box-shadow:0 4px 20px rgba(78,205,196,.4)}
.btn-main:hover{transform:translateY(-2px);box-shadow:0 6px 30px rgba(78,205,196,.6)}
.btn-main:active{transform:scale(.97)}
.btn-secondary{background:rgba(255,255,255,.08);color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.12)}
.btn-secondary:hover{background:rgba(255,255,255,.15);color:#fff}
.btn-link{text-decoration:none}
.btn-icon{font-size:1.1em}
.back-link{color:rgba(255,255,255,.3);text-decoration:none;font-size:.85rem;transition:color .2s}
.back-link:hover{color:rgba(255,255,255,.6)}

/* LEVELS */
.screen-header{width:100%;max-width:600px;display:flex;align-items:center;gap:16px;padding:20px 20px 10px;margin-bottom:10px}
.screen-header h2{font-family:'Orbitron',sans-serif;font-size:1.4rem;font-weight:700}
.btn-back{background:none;border:1px solid rgba(255,255,255,.15);color:#fff;font-size:1.2rem;width:40px;height:40px;border-radius:10px;cursor:pointer;transition:all .2s}
.btn-back:hover{background:rgba(255,255,255,.1)}
.levels-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:10px 20px;max-width:400px;width:100%}
.level-cell{aspect-ratio:1;border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-family:'Orbitron',sans-serif;font-weight:700;font-size:1.3rem;cursor:pointer;transition:all .25s}
.level-cell.unlocked{background:rgba(78,205,196,.15);border:1px solid rgba(78,205,196,.4);color:#4ecdc4}
.level-cell.unlocked:hover{transform:scale(1.08);box-shadow:0 0 20px rgba(78,205,196,.3)}
.level-cell.locked{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);color:#444;cursor:default}

/* SCORES */
.scores-list{width:100%;max-width:500px;padding:0 20px;overflow-y:auto;max-height:70vh}
.score-row{display:flex;align-items:center;gap:12px;padding:12px 16px;margin-bottom:8px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08)}
.score-rank{font-family:'Orbitron',sans-serif;font-weight:800;font-size:1.1rem;min-width:32px;text-align:center}
.score-rank.gold{color:#ffe66d}.score-rank.silver{color:#bbb}.score-rank.bronze{color:#cd7f32}
.score-info{flex:1}
.score-name{font-weight:600;font-size:.95rem}
.score-detail{font-size:.75rem;color:rgba(255,255,255,.4)}
.score-val{font-family:'Orbitron',sans-serif;font-weight:700;font-size:1rem;color:#4ecdc4}

/* GAME */
#game-screen{background:#2d1b69;position:fixed;inset:0;display:none;z-index:10}
#game-screen.active{display:block}
#game-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;display:block;z-index:11}
#game-hud{position:fixed;top:0;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;padding:12px 16px;z-index:22;pointer-events:none}
.hud-left-group{display:flex;align-items:flex-start;gap:10px;pointer-events:none}
.hud-btn-icon{pointer-events:auto;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:1.2rem;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.hud-btn-icon:active{background:rgba(255,255,255,.3)}
.hud-left{font-family:'Orbitron',sans-serif;font-size:.65rem;color:rgba(255,255,255,.6);letter-spacing:1px;line-height:1.4;pointer-events:none}
.hud-left span{font-size:1.1rem;font-weight:700;color:#fff}
.hud-center-group{text-align:center;pointer-events:none}
.hud-center{font-family:'Orbitron',sans-serif;font-size:1.6rem;font-weight:800;color:#fff;pointer-events:none}
.hud-level{font-family:'Orbitron',sans-serif;font-size:.6rem;color:rgba(78,205,196,.7);letter-spacing:1px;margin-top:2px}
.hud-right{pointer-events:auto;background:rgba(255,255,255,.15);border:none;color:#fff;font-size:.8rem;width:40px;height:40px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.hud-right:active{background:rgba(255,255,255,.3)}

/* OVERLAYS */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:50}
.overlay.hidden{display:none}
.overlay-box{background:linear-gradient(135deg,#1a0e3e,#2d1b69);border:1px solid rgba(255,255,255,.1);border-radius:20px;padding:32px;text-align:center;min-width:280px;max-width:340px}
.overlay-box h2{font-family:'Orbitron',sans-serif;font-size:1.4rem;margin-bottom:16px}
.overlay-box p{color:rgba(255,255,255,.6);margin-bottom:16px;font-size:.9rem}
.overlay-box input{width:100%;padding:12px;border-radius:10px;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.08);color:#fff;font-family:'Poppins',sans-serif;font-size:1rem;margin-bottom:12px;text-align:center;outline:none}
.overlay-box input:focus{border-color:rgba(78,205,196,.5)}
.overlay-box .btn-main,.overlay-box .btn-secondary{width:100%;margin-bottom:8px}