:root{--bg-color: #0b0c10;--text-primary: #ffffff;--accent-color: #00ffcc;--accent-glow: rgba(0, 255, 204, .6);--danger-color: #ff0055;--glass-bg: rgba(11, 12, 16, .85);--font-main: "Outfit", sans-serif}*{box-sizing:border-box;margin:0;padding:0;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}body,html{width:100%;height:100%;margin:0;padding:0;background-color:var(--bg-color);overflow:hidden;position:fixed;top:0;left:0;right:0;bottom:0;font-family:var(--font-main);color:var(--text-primary);touch-action:none}#gameCanvas{display:block;width:100%;height:100%;position:absolute;top:0;left:0;z-index:1}#ui-layer{position:absolute;top:0;left:0;width:100%;height:100%;z-index:10;pointer-events:none;display:flex;flex-direction:column;justify-content:center;align-items:center}.screen{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;opacity:0;pointer-events:none;transition:opacity .3s ease}.screen.active{opacity:1;pointer-events:auto}.main-screen{background:var(--glass-bg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.game-title{font-size:5rem;font-weight:800;line-height:1;text-align:center;margin-bottom:2rem;letter-spacing:-2px;color:transparent;-webkit-text-stroke:2px var(--accent-color);text-shadow:0 0 20px var(--accent-glow);text-transform:uppercase}.subtitle{font-size:1.5rem;font-weight:300;animation:pulse 1s infinite alternate;color:var(--accent-color);text-shadow:0 0 10px var(--accent-glow)}#in-game-ui{justify-content:flex-start;padding-top:5vh}.progress-container{width:80%;max-width:600px;height:10px;background:#ffffff1a;border-radius:10px;overflow:hidden;position:relative;box-shadow:0 0 10px #00000080}#progressBar{width:0%;height:100%;background:var(--accent-color);box-shadow:0 0 10px var(--accent-glow);transition:width .1s linear}#scoreDisplay{font-size:2rem;font-weight:700;margin-top:10px;color:#fffc}.game-over-title{font-size:4rem;font-weight:900;color:var(--danger-color);text-shadow:0 0 20px rgba(255,0,85,.6);margin-bottom:2rem;letter-spacing:2px}.score-container{display:flex;flex-direction:column;align-items:center;margin-bottom:1.5rem}.score-label{font-size:1.2rem;font-weight:500;color:#a0a0a0;letter-spacing:2px}.score-value{font-size:3rem;font-weight:800;color:var(--accent-color);text-shadow:0 0 15px var(--accent-glow)}.primary-btn{margin-top:2rem;padding:1rem 4rem;font-size:1.5rem;font-weight:800;font-family:var(--font-main);background-color:transparent;color:var(--accent-color);border:3px solid var(--accent-color);border-radius:8px;cursor:pointer;box-shadow:0 0 15px var(--accent-glow),inset 0 0 10px var(--accent-glow);transition:all .2s;text-transform:uppercase}.primary-btn:active{transform:scale(.95);background-color:var(--accent-color);color:#000}@keyframes pulse{0%{opacity:.6}to{opacity:1;transform:scale(1.05)}}#auth-section{display:flex;flex-direction:column;align-items:center;gap:15px;background:#ffffff0d;padding:15px 30px;border-radius:12px;border:1px solid rgba(255,255,255,.1);box-shadow:0 4px 30px #00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);margin-bottom:30px}.secondary-btn{padding:12px 30px;font-size:1.2rem;font-weight:800;color:var(--accent-color);background:transparent;border:2px solid var(--accent-color);border-radius:8px;cursor:pointer;box-shadow:0 0 10px #00ffcc4d;transition:all .2s ease;text-transform:uppercase}.secondary-btn:hover{background:#00ffcc1a;transform:translateY(-2px);box-shadow:0 0 20px #0fc9}.secondary-btn:active{transform:scale(.95)}.shop-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px;width:90%;max-width:600px}.skin-card{background:#1f283399;border:1px solid var(--accent-color);border-radius:12px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:15px;transition:all .2s ease;box-shadow:0 4px 15px #0006}.skin-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px #00ffcc4d;background:#1f2833cc}.skin-name{color:#fff;font-weight:800;font-size:1.3rem;letter-spacing:1px}.buy-btn{padding:10px 20px;border:none;background:#fc0;color:#0b0c10;font-weight:900;font-size:1.1rem;border-radius:6px;cursor:pointer;transition:all .2s;box-shadow:0 0 10px #fc06}.buy-btn:hover{background:#fff;box-shadow:0 0 20px #fff9}.buy-btn.owned{background:var(--accent-color);box-shadow:0 0 10px var(--accent-glow)}.buy-btn.equipped{background:#6f6;box-shadow:0 0 15px #6f6;color:#000}#milestone-text{position:absolute;top:30%;left:50%;transform:translate(-50%,-50%) scale(0);font-size:4rem;font-weight:900;color:#fff;text-shadow:0 0 20px #ffcc00,0 0 40px #ffcc00;opacity:0;transition:all .5s cubic-bezier(.175,.885,.32,1.275);pointer-events:none;z-index:100;text-transform:uppercase}#milestone-text.active{transform:translate(-50%,-50%) scale(1);opacity:1}.tab-btn{padding:10px 25px;background:transparent;color:var(--accent-color);border:2px solid var(--accent-color);font-family:var(--font-main);font-weight:800;border-radius:8px;cursor:pointer;transition:.3s}.tab-btn.active{background:var(--accent-color);color:#000;box-shadow:0 0 15px var(--accent-glow)}.upgrade-card{background:#28324666;border:1px solid #ffcc00;border-radius:12px;padding:15px;display:flex;flex-direction:column;align-items:center;gap:10px;box-shadow:0 5px 15px #0000004d}.upgrade-icon{font-size:2.5rem}.upgrade-level{color:#fc0;font-weight:700;font-size:.9rem}.spin-btn{background:linear-gradient(45deg,#f05,#c0f);border:none;padding:12px 25px;color:#fff;font-family:var(--font-main);font-weight:900;border-radius:50px;font-size:1.2rem;cursor:pointer;box-shadow:0 0 20px #ff005580;display:flex;align-items:center;gap:10px;animation:shine 2s infinite}.spin-icon{display:inline-block;animation:spin_anim 4s linear infinite}@keyframes spin_anim{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@keyframes shine{0%,to{filter:brightness(1);transform:scale(1)}50%{filter:brightness(1.3);transform:scale(1.05)}}