:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5;--bg: #0f1923;--bg-card: #1a2a3a;--bg-hover: #243444;--text: #f0f4f8;--text-dim: #8899aa;--accent: #ff6b35;--red: #E53935;--blue: #1E88E5;--green: #43A047;--yellow: #FDD835;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:var(--bg);color:var(--text);overflow-x:hidden}.game-container{min-height:100vh;display:flex;flex-direction:column}.menu-screen{align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1923,#1a2a3a)}.menu-content{text-align:center;max-width:440px;padding:2rem}.logo-stack{position:relative;width:120px;height:120px;margin:0 auto 1.5rem}.logo-card{position:absolute;width:70px;height:100px;border-radius:10px;box-shadow:0 4px 20px #0006}.logo-card.red{background:var(--red);top:0;left:10px;transform:rotate(-15deg);z-index:1}.logo-card.blue{background:var(--blue);top:5px;left:25px;transform:rotate(-5deg);z-index:2}.logo-card.green{background:var(--green);top:10px;left:40px;transform:rotate(5deg);z-index:3}.logo-card.yellow{background:var(--yellow);top:15px;left:55px;transform:rotate(15deg);z-index:4}.logo-text{position:absolute;bottom:-5px;left:50%;transform:translate(-50%);font-size:2rem;font-weight:900;letter-spacing:.1em;color:#fff;text-shadow:0 2px 10px rgba(0,0,0,.5);z-index:5}.menu-title{font-size:2.2rem;font-weight:800;margin-bottom:.5rem;background:linear-gradient(135deg,var(--accent),#ff9a56);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.menu-subtitle{color:var(--text-dim);margin-bottom:2rem;font-size:1rem}.menu-form{display:flex;flex-direction:column;gap:.75rem;margin-bottom:2rem}.name-input{padding:.875rem 1rem;border:2px solid rgba(255,255,255,.1);border-radius:var(--radius);background:var(--bg-card);color:var(--text);font-size:1rem;outline:none;transition:border-color .2s}.name-input:focus{border-color:var(--accent)}.name-input::placeholder{color:var(--text-dim)}.btn{padding:.875rem 1.5rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s;text-transform:uppercase;letter-spacing:.05em}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,var(--accent),#ff9a56);color:#fff;box-shadow:0 4px 15px #ff6b354d}.btn-primary:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #ff6b3566}.menu-features{display:flex;flex-direction:column;gap:.5rem}.feature{display:flex;align-items:center;gap:.75rem;color:var(--text-dim);font-size:.9rem}.feature-icon{font-size:1.2rem;width:2rem}.game-screen{background:radial-gradient(ellipse at center,#1a3040,#0f1923 70%)}.opponents-row{display:flex;justify-content:center;gap:1.5rem;padding:1rem 1rem 0;flex-wrap:wrap}.opponent{background:var(--bg-card);border-radius:var(--radius);padding:.75rem 1rem;min-width:160px;border:2px solid transparent;transition:border-color .3s}.opponent.current-turn{border-color:var(--accent);box-shadow:0 0 15px #ff6b3533}.opponent-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.opponent-name{font-weight:700;font-size:.85rem}.opponent-count{font-size:.75rem;color:var(--text-dim);background:#ffffff0d;padding:.15rem .5rem;border-radius:20px}.opponent-cards{display:flex;gap:2px;align-items:center}.mini-card{width:18px;height:26px;background:linear-gradient(135deg,#2a3a4a,#3a4a5a);border-radius:3px;border:1px solid rgba(255,255,255,.1)}.card-overflow{font-size:.7rem;color:var(--text-dim);margin-left:4px}.center-area{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;padding:1rem}.direction-indicator{font-size:2rem;color:var(--text-dim);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.pile-area{display:flex;align-items:center;gap:2rem}.draw-pile{cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.5rem;transition:transform .2s}.draw-pile:hover{transform:scale(1.05)}.pile-label{font-size:.75rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em}.discard-pile{display:flex;flex-direction:column;align-items:center;gap:.5rem;position:relative}.active-color{width:24px;height:24px;border-radius:50%;border:3px solid #fff;box-shadow:0 2px 8px #0006}.color-indicator-red{background:var(--red)}.color-indicator-blue{background:var(--blue)}.color-indicator-green{background:var(--green)}.color-indicator-yellow{background:var(--yellow)}.turn-message{font-size:1.1rem;font-weight:700;color:var(--accent);text-align:center;min-height:1.5em}.uno-card{--card-color: #333;width:70px;height:100px;border-radius:10px;background:var(--card-color);position:relative;cursor:default;transition:transform .15s,box-shadow .15s,margin-top .15s;box-shadow:0 2px 8px #0006;flex-shrink:0;-webkit-user-select:none;user-select:none}.uno-card.small{width:55px;height:80px}.uno-card.wild-card{background:linear-gradient(135deg,var(--red),var(--blue),var(--green),var(--yellow))}.uno-card.playable{cursor:pointer;box-shadow:0 0 0 3px var(--accent),0 4px 15px #ff6b3566}.uno-card.playable:hover{transform:translateY(-12px);box-shadow:0 0 0 3px var(--accent),0 8px 25px #ff6b3580}.uno-card.face-down{background:linear-gradient(135deg,#2a2a2a,#3a3a3a)}.card-back{width:100%;height:100%;display:flex;align-items:center;justify-content:center;border:3px solid rgba(255,255,255,.15);border-radius:10px}.card-back-text{font-weight:900;font-size:1.1rem;letter-spacing:.1em;color:var(--accent);text-shadow:0 1px 3px rgba(0,0,0,.5)}.uno-card.small .card-back-text{font-size:.85rem}.card-inner{width:100%;height:100%;display:flex;align-items:center;justify-content:center;position:relative;border-radius:10px;overflow:hidden}.card-oval{width:48px;height:65px;border-radius:50%;border:3px solid;background:#ffffff1a;display:flex;align-items:center;justify-content:center;transform:rotate(-20deg)}.uno-card.small .card-oval{width:38px;height:52px}.card-value{font-size:1.6rem;font-weight:900;transform:rotate(20deg);text-shadow:0 1px 2px rgba(0,0,0,.3)}.uno-card.small .card-value{font-size:1.2rem}.card-corner{position:absolute;font-size:.7rem;font-weight:800}.uno-card.small .card-corner{font-size:.6rem}.card-corner.top-left{top:4px;left:6px}.card-corner.bottom-right{bottom:4px;right:6px;transform:rotate(180deg)}.player-area{background:#0000004d;padding:.75rem 1rem 1rem;border-top:1px solid rgba(255,255,255,.05)}.player-info-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem;padding:0 .5rem}.player-name{font-weight:700;font-size:.95rem;display:flex;align-items:center;gap:.5rem}.your-turn-badge{background:var(--accent);color:#fff;font-size:.65rem;padding:.15rem .5rem;border-radius:20px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.card-count{font-size:.8rem;color:var(--text-dim)}.player-hand{display:flex;justify-content:center;gap:4px;padding:.5rem 0;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.action-bar{display:flex;justify-content:center;gap:.75rem;margin-top:.5rem}.btn-uno{background:linear-gradient(135deg,#ff1744,#ff5252);color:#fff;font-size:1.1rem;padding:.6rem 2rem;border-radius:50px;animation:none;box-shadow:0 3px 10px #ff17444d}.btn-uno:hover:not(:disabled){animation:shake .3s ease-in-out;box-shadow:0 4px 15px #ff174480}.btn-uno.pressed{background:linear-gradient(135deg,#43a047,#66bb6a);box-shadow:0 3px 10px #43a0474d}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.btn-draw{background:var(--bg-card);color:var(--text);border:2px solid rgba(255,255,255,.1);padding:.6rem 1.5rem;border-radius:50px}.btn-draw:hover:not(:disabled){border-color:var(--accent);background:var(--bg-hover)}.color-picker-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:100;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.color-picker{background:var(--bg-card);border-radius:16px;padding:2rem;text-align:center;box-shadow:0 10px 40px #00000080}.color-picker h3{margin-bottom:1.5rem;font-size:1.3rem}.color-options{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.color-btn{padding:1rem 2rem;border:none;border-radius:var(--radius);font-size:1rem;font-weight:700;cursor:pointer;color:#fff;text-transform:uppercase;letter-spacing:.05em;transition:transform .15s,box-shadow .15s}.color-btn:hover{transform:scale(1.05);box-shadow:0 4px 15px #0000004d}.color-red{background:var(--red)}.color-blue{background:var(--blue)}.color-green{background:var(--green)}.color-yellow{background:var(--yellow);color:#333}.finished-screen{align-items:center;justify-content:center;background:linear-gradient(135deg,#0f1923,#1a2a3a)}.finish-content{text-align:center;max-width:400px;padding:2rem}.finish-title{font-size:2.5rem;font-weight:900;margin-bottom:.5rem}.finish-subtitle{color:var(--text-dim);margin-bottom:2rem}.finish-scores{background:var(--bg-card);border-radius:var(--radius);padding:1rem;margin-bottom:2rem}.score-row{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px solid rgba(255,255,255,.05)}.score-row:last-child{border-bottom:none}.score-name{font-weight:600}.score-cards{color:var(--text-dim)}@media(max-width:600px){.opponents-row{gap:.5rem}.opponent{min-width:120px;padding:.5rem .75rem}.uno-card{width:60px;height:86px}.uno-card.small{width:48px;height:70px}.card-value{font-size:1.3rem}.player-hand{gap:2px}.pile-area{gap:1rem}}