:root{--uno-red: #FF5555;--uno-red-dark: #CC3333;--uno-blue: #5599FF;--uno-blue-dark: #3366CC;--uno-green: #44DD88;--uno-green-dark: #22AA55;--uno-yellow: #FFCC33;--uno-yellow-dark: #DDAA00;--uno-black: #2D3748;--bg-dark: #0D1117;--bg-gradient: linear-gradient(135deg, #0D1117 0%, #161B22 50%, #1C2128 100%);--bg-card: rgba(30, 41, 59, .8);--bg-card-solid: #1E293B;--bg-surface: #334155;--bg-glow: rgba(56, 189, 248, .1);--text-primary: #F1F5F9;--text-muted: #94A3B8;--accent: #38BDF8;--accent-glow: rgba(56, 189, 248, .4);--success: #22C55E;--error: #EF4444;--card-width: 100px;--card-height: 150px;--card-radius: 16px;--card-shadow-color: rgba(0, 0, 0, .5);--card-glow-intensity: .4}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);min-height:100vh;overflow-x:hidden}.home{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:radial-gradient(circle at 50% 30%,rgba(56,189,248,.08) 0%,transparent 50%)}.home-content{text-align:center;max-width:360px;width:100%}.title{font-size:5rem;font-weight:800;margin-bottom:12px;letter-spacing:8px;text-shadow:0 4px 30px rgba(0,0,0,.5)}.uno-u{color:var(--uno-red);text-shadow:0 0 40px rgba(255,85,85,.6)}.uno-n{color:var(--uno-yellow);text-shadow:0 0 40px rgba(255,204,51,.6)}.uno-o{color:var(--uno-green);text-shadow:0 0 40px rgba(68,221,136,.6)}.subtitle{color:var(--text-muted);margin-bottom:40px;font-size:1.1rem}.btn{display:block;width:100%;padding:16px 28px;font-size:1rem;font-weight:600;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease}.btn:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 10px 30px #0000004d}.btn:active:not(:disabled){transform:translateY(-1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--uno-red) 0%,var(--uno-red-dark) 100%);color:#fff;box-shadow:0 4px 20px #f556}.btn-primary:hover:not(:disabled){box-shadow:0 8px 30px #ff555580}.btn-secondary{background:var(--bg-card-solid);color:var(--text-primary);border:1px solid var(--bg-surface)}.btn-text{background:transparent;color:var(--text-muted)}.btn-text:hover{color:var(--text-primary)}.input{width:100%;padding:16px 18px;font-size:1rem;background:var(--bg-card-solid);border:2px solid var(--bg-surface);border-radius:12px;color:var(--text-primary);outline:none;transition:all .2s ease}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.input::placeholder{color:var(--text-muted)}.divider{display:flex;align-items:center;gap:16px;margin:28px 0;color:var(--text-muted)}.divider:before,.divider:after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--bg-surface),transparent)}.join-form{display:flex;gap:10px}.join-form .input{flex:1;text-align:center;font-weight:600;letter-spacing:4px;font-size:1.2rem}.join-form .btn{width:auto;padding:16px 24px}.game-container{min-height:100vh;display:flex;flex-direction:column;padding:20px 20px 280px;background:radial-gradient(ellipse at 50% 0%,rgba(56,189,248,.05) 0%,transparent 50%)}.loading,.join-screen,.lobby,.game-over{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;flex:1;text-align:center;max-width:380px;margin:0 auto;width:100%}.room-code{background:var(--bg-card-solid);padding:12px 24px;border-radius:10px;font-family:SF Mono,Fira Code,monospace;font-size:1.3rem;font-weight:600;color:var(--accent);letter-spacing:3px;border:1px solid var(--bg-surface)}.lobby-players{background:var(--bg-card-solid);border-radius:16px;padding:20px;width:100%;text-align:left;border:1px solid var(--bg-surface)}.lobby-players h3{margin-bottom:16px;font-size:.9rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.lobby-player{padding:12px 0;border-bottom:1px solid var(--bg-surface);font-weight:500}.lobby-player:last-child{border-bottom:none}.waiting-text{color:var(--text-muted);font-style:italic}.winner{font-size:2.5rem;font-weight:700;background:linear-gradient(135deg,var(--uno-yellow) 0%,var(--uno-red) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.game-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;padding:0 4px}.room-badge{background:var(--bg-card-solid);padding:8px 16px;border-radius:8px;font-family:SF Mono,monospace;font-size:.9rem;font-weight:600;letter-spacing:2px;border:1px solid var(--bg-surface)}.turn-indicator{padding:10px 20px;border-radius:25px;background:var(--bg-card-solid);font-weight:600;font-size:.95rem;border:1px solid var(--bg-surface)}.turn-indicator.my-turn{background:linear-gradient(135deg,var(--uno-green) 0%,var(--uno-green-dark) 100%);color:#fff;border:none;box-shadow:0 4px 20px #4d86;animation:glow-pulse 2s infinite}@keyframes glow-pulse{0%,to{box-shadow:0 4px 20px #4d86}50%{box-shadow:0 4px 30px #4d89}}.player-list{display:flex;align-items:center;gap:20px;margin-bottom:30px;overflow-x:auto;padding:12px 4px;-webkit-overflow-scrolling:touch}.player-list::-webkit-scrollbar{height:4px}.player-list::-webkit-scrollbar-track{background:var(--bg-surface);border-radius:2px}.player-list::-webkit-scrollbar-thumb{background:var(--accent);border-radius:2px}.direction-indicator{font-size:2.5rem;color:var(--accent);flex-shrink:0;opacity:.8}.players{display:flex;gap:14px}.player{display:flex;align-items:center;gap:12px;background:var(--bg-card-solid);padding:12px 18px;border-radius:14px;border:2px solid transparent;flex-shrink:0;transition:all .2s ease}.player-active{border-color:var(--uno-green);box-shadow:0 0 20px #44dd884d}.player-disconnected{opacity:.4}.player-avatar{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--uno-blue) 0%,var(--uno-blue-dark) 100%);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:1.1rem;box-shadow:0 4px 12px #5599ff4d}.player-info{display:flex;flex-direction:column;gap:4px}.player-name{font-weight:600;font-size:.95rem}.player-cards{font-size:.85rem;color:var(--text-muted)}.pile-area{display:flex;justify-content:center;align-items:center;gap:60px;margin:40px 0;padding:30px}.deck{display:flex;flex-direction:column;align-items:center;gap:12px;position:relative}.deck-stack{position:relative;transition:transform .2s ease}.deck-stack:before,.deck-stack:after{content:"";position:absolute;width:100%;height:100%;background:linear-gradient(135deg,#3d4a5c,#2d3748);border-radius:var(--card-radius);border:3px solid rgba(255,255,255,.1)}.deck-stack:before{top:5px;left:3px;z-index:-1}.deck-stack:after{top:10px;left:6px;z-index:-2}.deck-clickable{cursor:pointer}.deck-clickable:hover{transform:translateY(-6px)}.deck-count{font-size:.9rem;color:var(--text-muted);font-weight:500}.draw-pending{position:absolute;top:-14px;right:-14px;background:linear-gradient(135deg,var(--uno-red) 0%,var(--uno-red-dark) 100%);color:#fff;font-weight:700;font-size:1rem;padding:6px 12px;border-radius:10px;box-shadow:0 4px 15px #ff555580;z-index:10}.discard-pile{position:relative}.color-indicator{position:absolute;bottom:-28px;left:50%;transform:translate(-50%);width:32px;height:32px;border-radius:50%;border:4px solid var(--bg-dark);box-shadow:0 4px 15px #0006}.card{width:var(--card-width);height:var(--card-height);border-radius:var(--card-radius);position:relative;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;box-shadow:0 12px 40px var(--card-shadow-color),0 6px 16px #0006,inset 0 2px #ffffff40,inset 0 -1px #0003;border:5px solid rgba(255,255,255,.3);transition:all .25s cubic-bezier(.4,0,.2,1);-webkit-user-select:none;user-select:none;overflow:hidden;transform-style:preserve-3d;perspective:1000px;background-image:linear-gradient(145deg,rgba(255,255,255,.15) 0%,transparent 40%,rgba(0,0,0,.1) 100%)}.card:before{content:"";position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:linear-gradient(45deg,transparent 40%,rgba(255,255,255,.08) 45%,rgba(255,255,255,.15) 50%,rgba(255,255,255,.08) 55%,transparent 60%);pointer-events:none;transform:rotate(45deg) translateY(-100%);transition:transform .8s ease;z-index:3}.card:hover:before{transform:rotate(45deg) translateY(100%)}.card:after{content:"";position:absolute;width:75%;height:60%;background:#ffffff26;border-radius:50%;transform:rotate(-25deg);pointer-events:none;box-shadow:inset 0 0 20px #ffffff1a;z-index:1}.card-small{width:65px;height:95px;font-size:.85rem;border-width:3px}.card-small:after{width:70%;height:55%}.card-back{background:linear-gradient(145deg,#4a5568,#2d3748,#1a202c);border-color:var(--uno-red);box-shadow:0 12px 40px var(--card-shadow-color),0 6px 16px #0006,inset 0 2px #ffffff26,0 0 0 4px #ff55554d}.card-back:after{display:none}.card-back-text{font-size:1.3rem;letter-spacing:4px;transform:rotate(-25deg);color:var(--uno-red);text-shadow:0 2px 10px rgba(255,85,85,.6),0 0 30px rgba(255,85,85,.4);z-index:2;font-weight:900}.card-clickable{cursor:pointer}.card-clickable:hover{transform:translateY(-20px) scale(1.08) rotateX(5deg);box-shadow:0 30px 60px #00000080,0 15px 30px #0006,inset 0 2px #ffffff4d;border-color:#ffffff80;z-index:10}.card-disabled{opacity:.4;filter:grayscale(40%) brightness(.8);transform:scale(.95)}.card-corner{position:absolute;font-size:1.1rem;font-weight:800;text-shadow:2px 2px 4px rgba(0,0,0,.5),0 0 10px rgba(0,0,0,.3);z-index:2;letter-spacing:.5px}.card-corner-top{top:10px;left:12px}.card-corner-bottom{bottom:10px;right:12px;transform:rotate(180deg)}.card-center{font-size:3.2rem;text-shadow:4px 4px 8px rgba(0,0,0,.5),0 0 20px rgba(0,0,0,.3);z-index:2;font-weight:900;letter-spacing:2px}.card-center-wild{font-size:2rem}.wild-colors{width:56px;height:56px;border-radius:50%;overflow:hidden;display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;box-shadow:0 6px 20px #0006,inset 0 0 0 2px #ffffff4d;z-index:2;animation:wild-spin 8s linear infinite}@keyframes wild-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.wild-quarter{width:100%;height:100%}.wild-red{background:linear-gradient(135deg,var(--uno-red) 0%,var(--uno-red-dark) 100%)}.wild-blue{background:linear-gradient(135deg,var(--uno-blue) 0%,var(--uno-blue-dark) 100%)}.wild-green{background:linear-gradient(135deg,var(--uno-green) 0%,var(--uno-green-dark) 100%)}.wild-yellow{background:linear-gradient(135deg,var(--uno-yellow) 0%,var(--uno-yellow-dark) 100%)}.hand{position:fixed;bottom:0;left:0;right:0;background:linear-gradient(to top,var(--bg-dark) 0%,var(--bg-dark) 60%,transparent 100%);padding:80px 20px 30px}.hand-cards{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;max-width:100%;margin-bottom:12px}.hand-card{transition:transform .2s ease}.hand-count{text-align:center;font-size:.9rem;color:var(--text-muted);font-weight:500}.uno-btn{position:fixed;bottom:300px;right:24px;width:80px;height:80px;border-radius:50%;background:linear-gradient(135deg,var(--uno-red) 0%,var(--uno-red-dark) 100%);border:none;color:#fff;font-weight:800;font-size:1.1rem;cursor:pointer;box-shadow:0 8px 30px #ff555580,0 4px 15px #ff55554d;animation:uno-bounce 1s infinite;letter-spacing:1px}@keyframes uno-bounce{0%,to{transform:scale(1)}50%{transform:scale(1.08)}}.uno-btn:hover{animation:none;transform:scale(1.1)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:100}.color-picker{background:var(--bg-card-solid);padding:32px;border-radius:20px;text-align:center;border:1px solid var(--bg-surface);box-shadow:0 25px 60px #00000080}.color-picker h3{margin-bottom:24px;font-size:1.2rem;font-weight:600}.color-options{display:grid;grid-template-columns:1fr 1fr;gap:14px}.color-option{padding:20px 32px;border:none;border-radius:14px;color:#fff;font-weight:700;font-size:1rem;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 15px #0000004d}.color-option:hover{transform:scale(1.05) translateY(-3px);box-shadow:0 8px 25px #0006}.error-toast{position:fixed;bottom:320px;left:50%;transform:translate(-50%);background:linear-gradient(135deg,var(--error) 0%,#DC2626 100%);color:#fff;padding:14px 28px;border-radius:12px;font-weight:600;z-index:50;box-shadow:0 8px 30px #ef444466;animation:toast-in .3s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%,20px)}to{opacity:1;transform:translate(-50%)}}@media (max-width: 600px){:root{--card-width: 80px;--card-height: 115px}.title{font-size:4rem}.card-center{font-size:2.4rem}.card-corner{font-size:.9rem}.pile-area{gap:40px;padding:20px}.hand{padding:60px 12px 20px}.hand-cards{gap:8px}.uno-btn{width:70px;height:70px;bottom:240px;right:16px}.wild-colors{width:44px;height:44px}}.card-red{box-shadow:0 12px 40px #ff555559,0 6px 16px #0006,inset 0 2px #ffffff40}.card-red:hover{box-shadow:0 25px 50px #ff555580,0 12px 25px #0006}.card-blue{box-shadow:0 12px 40px #5599ff59,0 6px 16px #0006,inset 0 2px #ffffff40}.card-blue:hover{box-shadow:0 25px 50px #5599ff80,0 12px 25px #0006}.card-green{box-shadow:0 12px 40px #44dd8859,0 6px 16px #0006,inset 0 2px #ffffff40}.card-green:hover{box-shadow:0 25px 50px #44dd8880,0 12px 25px #0006}.card-yellow{box-shadow:0 12px 40px #ffcc3359,0 6px 16px #0006,inset 0 2px #ffffff40}.card-yellow:hover{box-shadow:0 25px 50px #ffcc3380,0 12px 25px #0006}.card-wild{box-shadow:0 12px 40px #78787866,0 6px 16px #0006,inset 0 2px #ffffff40;background:linear-gradient(145deg,#3d4a5c,#2d3748,#1a202c)!important}.card-wild:hover{box-shadow:0 25px 50px #96969666,0 12px 25px #0006}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--bg-surface);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}