*{margin:0;padding:0;box-sizing:border-box}:root{font-family:Segoe UI,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;background:linear-gradient(135deg,#1a472a,#2d5a3d,#1a472a)}#root{min-height:100vh}.card{width:120px;height:168px;perspective:1000px;cursor:default}.card-inner{position:relative;width:100%;height:100%;transition:transform .6s cubic-bezier(.4,0,.2,1);transform-style:preserve-3d}.card.flipped .card-inner{transform:rotateY(180deg)}.card-front,.card-back{position:absolute;width:100%;height:100%;backface-visibility:hidden;border-radius:10px;box-shadow:0 4px 8px #0003,0 2px 4px #0000001a}.card-back{background:linear-gradient(135deg,#1e3a5f,#2d5a87,#1e3a5f);border:3px solid #0d2137;display:flex;align-items:center;justify-content:center;overflow:hidden}.card-pattern{width:80%;height:85%;border:2px solid rgba(255,255,255,.3);border-radius:6px;background-image:repeating-linear-gradient(45deg,transparent,transparent 8px,rgba(255,255,255,.05) 8px,rgba(255,255,255,.05) 16px),repeating-linear-gradient(-45deg,transparent,transparent 8px,rgba(255,255,255,.05) 8px,rgba(255,255,255,.05) 16px)}.card-front{background:linear-gradient(145deg,#fff,#f8f9fa);border:1px solid #ddd;transform:rotateY(180deg);display:flex;flex-direction:column;padding:8px;box-sizing:border-box}.card-front.red{color:#c41e3a}.card-front.black{color:#1a1a1a}.card-corner{display:flex;flex-direction:column;align-items:center;line-height:1}.card-corner.top-left{align-self:flex-start}.card-corner.bottom-right{align-self:flex-end;transform:rotate(180deg)}.card-rank{font-size:18px;font-weight:700;font-family:Georgia,serif}.card-suit{font-size:16px;margin-top:-2px}.card-center{flex:1;display:flex;align-items:center;justify-content:center}.card-suit-large{font-size:48px}.game-board{display:flex;flex-direction:column;align-items:center;padding:40px 20px;min-height:100vh;box-sizing:border-box;position:relative}.btn-back{position:absolute;top:20px;left:20px;padding:10px 20px;background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.3)}.btn-back:hover{background:#fff3}.game-title{font-size:2.5rem;font-weight:300;color:#fff;margin:0 0 10px;text-shadow:0 2px 4px rgba(0,0,0,.3);letter-spacing:4px;text-transform:uppercase}.reset-counter{font-size:1.2rem;color:#ffffffb3;margin-bottom:40px;letter-spacing:1px}.cards-container{display:flex;gap:20px;margin-bottom:30px;flex-wrap:wrap;justify-content:center}.question{font-size:1.5rem;color:#fff;margin:0 0 30px;text-shadow:0 2px 4px rgba(0,0,0,.3);font-weight:400;letter-spacing:1px}.controls{display:flex;gap:20px}.btn{padding:14px 40px;font-size:1.1rem;font-weight:600;border:none;border-radius:8px;cursor:pointer;transition:all .2s ease;text-transform:uppercase;letter-spacing:2px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-flip{background:linear-gradient(145deg,#4a90d9,#357abd);color:#fff;box-shadow:0 4px 15px #4a90d966}.btn-flip:hover:not(:disabled){background:linear-gradient(145deg,#5a9fe8,#4589cc);transform:translateY(-2px);box-shadow:0 6px 20px #4a90d980}.btn-flip:active:not(:disabled){transform:translateY(0)}.btn-reset{background:linear-gradient(145deg,#6c757d,#5a6268);color:#fff;box-shadow:0 4px 15px #6c757d66}.btn-reset:hover{background:linear-gradient(145deg,#7c858d,#6a7278);transform:translateY(-2px);box-shadow:0 6px 20px #6c757d80}.btn-reset:active{transform:translateY(0)}.btn-jackpot{background:linear-gradient(145deg,gold,#ffb300);color:#1a1a1a;box-shadow:0 4px 15px #ffd70066;animation:jackpot-pulse 1s ease-in-out infinite}.btn-jackpot:hover{background:linear-gradient(145deg,#ffe033,#ffc933);transform:translateY(-2px);box-shadow:0 6px 20px #ffd70099}.btn-jackpot:active{transform:translateY(0)}@keyframes jackpot-pulse{0%,to{box-shadow:0 4px 15px #ffd70066}50%{box-shadow:0 4px 25px #ffd700cc}}@media(max-width:600px){.game-title{font-size:1.8rem;margin-bottom:30px}.cards-container{gap:12px}.controls{flex-direction:column;width:100%;max-width:280px}.btn{width:100%}}.main-menu{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px}.menu-title{font-size:3rem;font-weight:300;color:#fff;margin:0 0 60px;text-shadow:0 2px 4px rgba(0,0,0,.3);letter-spacing:6px;text-transform:uppercase}.menu-buttons{display:flex;flex-direction:column;gap:20px;width:100%;max-width:300px}.btn-solo{background:linear-gradient(145deg,#4a90d9,#357abd);color:#fff;box-shadow:0 4px 15px #4a90d966;padding:18px 40px;font-size:1.2rem}.btn-solo:hover{background:linear-gradient(145deg,#5a9fe8,#4589cc);transform:translateY(-2px);box-shadow:0 6px 20px #4a90d980}.btn-multiplayer{background:linear-gradient(145deg,#9b59b6,#8e44ad);color:#fff;box-shadow:0 4px 15px #9b59b666;padding:18px 40px;font-size:1.2rem}.btn-multiplayer:hover{background:linear-gradient(145deg,#a86bc4,#9b59b6);transform:translateY(-2px);box-shadow:0 6px 20px #9b59b680}@media(max-width:600px){.menu-title{font-size:2rem;letter-spacing:4px}}.lobby{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px;position:relative}.lobby-title{font-size:2.5rem;font-weight:300;color:#fff;margin:0 0 50px;text-shadow:0 2px 4px rgba(0,0,0,.3);letter-spacing:4px;text-transform:uppercase}.lobby-buttons{display:flex;flex-direction:column;gap:20px;width:100%;max-width:300px}.btn-host{background:linear-gradient(145deg,#27ae60,#219a52);color:#fff;box-shadow:0 4px 15px #27ae6066;padding:18px 40px;font-size:1.2rem}.btn-host:hover{background:linear-gradient(145deg,#2ecc71,#27ae60);transform:translateY(-2px);box-shadow:0 6px 20px #27ae6080}.btn-join{background:linear-gradient(145deg,#e67e22,#d35400);color:#fff;box-shadow:0 4px 15px #e67e2266;padding:18px 40px;font-size:1.2rem}.btn-join:hover{background:linear-gradient(145deg,#f39c12,#e67e22);transform:translateY(-2px);box-shadow:0 6px 20px #e67e2280}.join-form{display:flex;flex-direction:column;gap:20px;width:100%;max-width:300px}.input-field{padding:16px 20px;font-size:1.1rem;border:2px solid rgba(255,255,255,.3);border-radius:8px;background:#ffffff1a;color:#fff;text-align:center;letter-spacing:2px;outline:none;transition:all .2s ease}.input-field::placeholder{color:#ffffff80;letter-spacing:1px}.input-field:focus{border-color:#fff9;background:#ffffff26}.btn-join-submit{background:linear-gradient(145deg,#e67e22,#d35400);color:#fff;box-shadow:0 4px 15px #e67e2266;padding:16px 40px;font-size:1.1rem;margin-top:10px}.btn-join-submit:hover{background:linear-gradient(145deg,#f39c12,#e67e22);transform:translateY(-2px);box-shadow:0 6px 20px #e67e2280}.error-message{color:#e74c3c;font-size:.9rem;margin:0;text-align:center}@media(max-width:600px){.lobby-title{font-size:1.8rem}}.multiplayer-game{display:flex;flex-direction:column;align-items:center;padding:40px 20px;min-height:100vh;box-sizing:border-box;position:relative}.room-code-display{font-size:1.2rem;color:#fffc;margin-bottom:30px}.room-code{font-size:2rem;font-weight:700;color:gold;letter-spacing:4px;margin-left:10px}.room-code-small{font-size:1rem;color:#ffffffb3}.game-info{display:flex;gap:30px;margin-bottom:20px}.players-list{background:#ffffff1a;border-radius:12px;padding:20px 30px;margin-bottom:30px;min-width:250px;text-align:center}.players-list h3{color:#fff;margin:0 0 15px;font-weight:400}.players-list ul{list-style:none;padding:0;margin:0}.players-list li{color:#ffffffe6;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.1)}.players-list li:last-child{border-bottom:none}.players-status{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:20px}.player-badge{padding:6px 14px;border-radius:20px;font-size:.9rem;font-weight:500}.player-badge.active{background:#27ae60cc;color:#fff}.player-badge.eliminated{background:#e74c3ccc;color:#fff;text-decoration:line-through}.btn-start{background:linear-gradient(145deg,#27ae60,#219a52);color:#fff;box-shadow:0 4px 15px #27ae6066;padding:16px 50px;font-size:1.2rem}.btn-start:hover:not(:disabled){background:linear-gradient(145deg,#2ecc71,#27ae60);transform:translateY(-2px);box-shadow:0 6px 20px #27ae6080}.btn-start:disabled{opacity:.5;cursor:not-allowed}.waiting-text{color:#fff9;font-style:italic;margin:20px 0}.answer-section{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}.timer{font-size:1.5rem;color:gold;font-weight:700;margin-bottom:20px;animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.answer-buttons{display:flex;flex-wrap:wrap;gap:15px;justify-content:center;max-width:400px}.btn-answer{padding:16px 30px;font-size:1.1rem;background:#ffffff26;color:#fff;border:2px solid rgba(255,255,255,.3);min-width:120px}.btn-answer:hover:not(:disabled){background:#ffffff40;border-color:#ffffff80;transform:translateY(-2px)}.btn-answer.selected{background:linear-gradient(145deg,#27ae60,#219a52);border-color:#27ae60}.btn-answer.red-suit{color:#ff6b6b}.btn-answer.black-suit{color:#fff}.btn-answer:disabled{opacity:.7;cursor:default}.answered-text{color:#27ae60;font-weight:600;margin-top:15px}.host-waiting{display:flex;flex-direction:column;align-items:center}.eliminated-message,.eliminated-text{color:#e74c3c;font-size:1.1rem;text-align:center;margin:20px 0}.results-section{background:#ffffff1a;border-radius:12px;padding:20px 30px;margin-bottom:20px;min-width:250px}.results-section h3{color:#fff;margin:0 0 15px;text-align:center;font-weight:400}.results-list{list-style:none;padding:0;margin:0}.results-list li{color:#ffffffe6;padding:8px 0;border-bottom:1px solid rgba(255,255,255,.1)}.results-list li:last-child{border-bottom:none}.results-list li.correct{color:#27ae60}.results-list li.wrong{color:#e74c3c}@media(max-width:600px){.room-code{font-size:1.5rem;display:block;margin-top:10px}.answer-buttons{flex-direction:column;width:100%;max-width:280px}.btn-answer{width:100%}.game-info{flex-direction:column;gap:10px;text-align:center}}.error-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:20px;text-align:center}.error-screen h2{color:#e74c3c;font-size:2rem;margin-bottom:20px}.error-screen p{color:#fffc;font-size:1.2rem;margin-bottom:30px}.games-home-link{position:fixed;top:18px;right:18px;z-index:1000;display:inline-flex;align-items:center;justify-content:center;min-height:38px;border:1px solid rgba(255,255,255,.26);border-radius:8px;background:#0c1322d1;color:#fff;padding:8px 12px;font-size:.78rem;font-weight:800;letter-spacing:.02em;text-decoration:none;text-transform:uppercase;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.games-home-link:focus-visible{outline:3px solid rgba(255,255,255,.9);outline-offset:3px}