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ease;font-size:16px}.header-btn:hover{background:#818cf833;border-color:#818cf866;transform:translateY(-2px)}.footer{position:relative;width:100%;flex-shrink:0;background:#0f0f1ed9;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border-top:1px solid rgba(255,255,255,.1);color:#f3f4f6;z-index:10;font-size:14px;box-shadow:0 -10px 30px #00000080;transition:all .3s ease}.footer-content{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;padding:20px 40px;gap:40px}.footer-section{display:flex;align-items:center;gap:25px}.footer-section h4{font-size:14px;font-weight:800;text-transform:uppercase;letter-spacing:1.5px;color:#818cf8;margin:0}.footer-section a{color:#d1d5db;text-decoration:none;font-size:14px;font-weight:500;transition:all .2s ease;display:flex;align-items:center;gap:6px}.footer-section a:hover{color:#fff;transform:translateY(-2px);text-shadow:0 0 10px rgba(129,140,248,.4)}.footer-section p{font-size:13px;color:#9ca3af;margin:0}.footer-section strong{color:#818cf8;font-weight:700}.footer-bottom{background:#0000004d;padding:12px;text-align:center;border-top:1px solid rgba(255,255,255,.05)}.footer-bottom p{font-size:12px;color:#6b7280;margin:0;letter-spacing:.5px}.tutorial-content{background:#141428fa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:25px;box-shadow:0 30px 60px #0009;border:2px solid rgba(102,126,234,.3);width:95%;max-width:1000px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;margin:auto}.tutorial-header{display:flex;justify-content:space-between;align-items:center;padding:25px 30px;border-bottom:2px solid rgba(102,126,234,.2)}.tutorial-header h2{margin:0;font-size:32px;background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn-close{background:#ffffff1a;border:2px solid rgba(255,255,255,.2);color:#e5e7eb;font-size:24px;width:45px;height:45px;border-radius:50%;cursor:pointer;transition:all .3s ease;display:flex;align-items:center;justify-content:center}.btn-close:hover{background:#ef444433;border-color:#ef4444;color:#ef4444}.tutorial-body{flex:1;overflow-y:auto;padding:30px;display:flex;flex-direction:column;gap:30px}.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:20px}.card-info{background:linear-gradient(135deg,#667eea14,#764ba214);border:2px solid rgba(102,126,234,.2);border-radius:15px;padding:20px;text-align:center;transition:all .3s ease}.card-info:hover{background:linear-gradient(135deg,#667eea26,#764ba226);border-color:#667eea80;transform:translateY(-5px)}.card-preview{width:100%;height:140px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:56px;font-weight:900;margin-bottom:15px;box-shadow:0 12px 25px #0006;color:#fff;border:1.5px solid rgba(255,255,255,.2);position:relative;overflow:hidden}.card-preview:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 25% 25%,rgba(255,255,255,.2) 0%,transparent 60%);pointer-events:none}.card-preview.red{background:linear-gradient(145deg,#ff4b2b,#ff416c)}.card-preview.blue{background:linear-gradient(145deg,#00c6ff,#0072ff)}.card-preview.green{background:linear-gradient(145deg,#11998e,#38ef7d)}.card-preview.yellow{background:linear-gradient(145deg,#ffe259,#ffa751);color:#1a1a1a}.card-preview.purple{background:linear-gradient(145deg,#8e2de2,#4a00e0)}.card-preview.orange{background:linear-gradient(145deg,#f12711,#f5af19)}.card-preview.wild{background:linear-gradient(135deg,#f06,#f90,#ff0,#0f0,#0cf);background-size:200% 200%;animation:gradient-shift 4s ease infinite}.card-info h3{font-size:18px;margin:15px 0 10px;color:#e5e7eb}.card-info p{font-size:13px;color:#d1d5db;line-height:1.5;margin:0}.tutorial-section{background:linear-gradient(135deg,#667eea14,#764ba214);border-left:4px solid #667eea;padding:20px;border-radius:12px}.tutorial-section h3{margin:0 0 15px;color:#a5b4fc;font-size:18px}.tutorial-section ul{list-style:none;padding:0;margin:0}.tutorial-section li{padding:10px 0;color:#d1d5db;font-size:14px;line-height:1.6;border-bottom:1px solid rgba(102,126,234,.1)}.tutorial-section li:last-child{border-bottom:none}.tutorial-footer{padding:20px 30px;border-top:2px solid rgba(102,126,234,.2);text-align:center;background:#0003}.container{padding-bottom:0}@media(max-width:768px){.header-content{padding:5px 12px}.logo-text{font-size:12px;letter-spacing:1px}.logo-icon{font-size:16px}.header-btn{width:30px;height:30px;font-size:14px;border-radius:8px}.header-status{padding:4px 8px;font-size:10px}.header-status span:not(.status-dot){display:none}.footer{font-size:11px}.footer-content{flex-direction:row;flex-wrap:wrap;justify-content:center;gap:8px;padding:8px 12px}.footer-section{flex-direction:row;gap:8px;align-items:center}.footer-section h4{display:none}.footer-section a,.footer-section p{font-size:10px}.footer-bottom{padding:4px}.footer-bottom p{font-size:9px}.container{padding-bottom:0}.tutorial-content{max-width:98%;max-height:90vh;margin:auto}.tutorial-header{padding:15px 20px}.tutorial-header h2{font-size:24px}.tutorial-body{padding:15px 20px}.cards-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr))}.card-preview{height:100px;font-size:36px}.card-info h3{font-size:14px}.card-info p{font-size:12px}}.player-info.current-turn,.opponent-info.current-turn,.other-player-hand.current-turn{border:2px solid #22c55e!important}#gameScreen.your-turn-active:after{content:"";position:absolute;inset:0;pointer-events:none;box-shadow:inset 0 0 40px #22c55e66;z-index:1000;animation:border-glow 2s infinite ease-in-out}@keyframes border-glow{0%,to{opacity:.3}50%{opacity:.8}}#gameOverScreen.screen.active{position:fixed;top:0;left:0;width:100%;height:100%;background:#0a0a14e6;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:9999;display:flex;align-items:center;justify-content:center;padding:20px}.gameover-content{background:linear-gradient(135deg,#1e1e3cf2,#141428f2);padding:40px;border-radius:25px;text-align:center;border:2px solid rgba(102,126,234,.3);box-shadow:0 25px 50px #0009;max-width:400px;width:100%;animation:popIn .5s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}.gameover-content h2{font-size:36px;margin-bottom:15px;color:#fff;text-transform:uppercase;letter-spacing:2px}