:root{--primary-color: #2563eb;--primary-hover: #1d4ed8;--success-color: #10b981;--error-color: #ef4444;--warning-color: #f59e0b;--text-primary: #1f2937;--text-secondary: #6b7280;--text-tertiary: #9ca3af;--bg-primary: #f3f4f6;--bg-card: #ffffff;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--radius-sm: 6px;--radius-md: 8px;--radius-lg: 12px}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-width:320px;min-height:100vh;background-color:var(--bg-primary);color:var(--text-primary)}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:600}button{font-family:inherit;cursor:pointer;transition:all .2s 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var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease}.back-button:hover{background:var(--bg-primary);border-color:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.waiting-room{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.waiting-container{background:var(--bg-card);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-lg);max-width:600px;width:100%}.waiting-container h1{color:var(--text-primary);font-size:2em;margin-bottom:24px;text-align:center;font-weight:700}.game-code-display{background:var(--primary-color);padding:24px;border-radius:var(--radius-md);margin-bottom:32px}.game-code-label{color:#ffffffe6;font-size:.875em;font-weight:500;display:block;margin-bottom:8px;text-transform:uppercase;letter-spacing:.5px}.game-code{color:#fff;font-size:2.5em;font-weight:700;letter-spacing:8px;font-family:Courier 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ease;margin-bottom:16px}.start-game-button:hover:not(:disabled){background:#059669;transform:translateY(-1px);box-shadow:var(--shadow-md)}.start-game-button:disabled{opacity:.5;cursor:not-allowed}.waiting-animation{display:flex;justify-content:center;align-items:center;margin-top:16px;gap:4px}.dot-pulse{width:8px;height:8px;border-radius:50%;background-color:var(--primary-color);animation:dotPulse 1.4s infinite ease-in-out}.dot-pulse:nth-child(2){animation-delay:.2s}.dot-pulse:nth-child(3){animation-delay:.4s}@keyframes dotPulse{0%,80%,to{opacity:.3;transform:scale(.8)}40%{opacity:1;transform:scale(1)}}.gameplay{min-height:100vh;padding:24px 20px;display:flex;flex-direction:column;max-width:1200px;margin:0 auto}.gameplay-header{background:var(--bg-card);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;box-shadow:var(--shadow-md);border:1px solid var(--border-color)}.question-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:12px}.question-number{font-size:.875em;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.player-score{font-size:1.125em;color:var(--primary-color);font-weight:700}.timer-container{position:relative;height:32px;background:var(--bg-primary);border-radius:16px;overflow:hidden;border:1px solid var(--border-color)}.timer-bar{position:absolute;left:0;top:0;height:100%;background:var(--success-color);transition:width .1s linear}.timer-text{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);font-size:.875em;font-weight:600;color:var(--text-primary);z-index:1}.question-container{background:var(--bg-card);border-radius:var(--radius-lg);padding:32px;margin-bottom:20px;box-shadow:var(--shadow-md);border:1px solid 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h1{color:var(--text-primary);font-size:2em;text-align:center;margin-bottom:32px;font-weight:700}.final-results{text-align:center;margin-bottom:32px}.final-results h2{color:var(--text-primary);font-size:1.5em;margin-bottom:20px;font-weight:600}.player-final-score{background:var(--primary-color);color:#fff;padding:24px;border-radius:var(--radius-md);margin:0 auto;max-width:400px}.final-position{font-size:.875em;margin-bottom:8px;opacity:.9;font-weight:500;text-transform:uppercase;letter-spacing:.5px}.final-rank{font-size:3em;font-weight:700;margin:10px 0}.final-score{font-size:1.25em;font-weight:600}.podium{display:flex;justify-content:center;align-items:flex-end;gap:16px;margin-bottom:32px;padding:20px}.podium-place{background:var(--bg-card);border-radius:var(--radius-md);padding:20px 16px;text-align:center;transition:all .2s ease;animation:popIn .5s ease;box-shadow:var(--shadow-md);border:2px solid 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transparent}.final-leaderboard-item.current-player{background:#2563eb1a;border-color:var(--primary-color);font-weight:600}.final-rank{width:50px;text-align:center;font-weight:700;color:var(--text-secondary);font-size:1em}.final-nickname{flex-grow:1;padding:0 15px;color:var(--text-primary);font-weight:500}.final-player-score{font-weight:700;min-width:100px;text-align:right;color:var(--text-primary)}.thanks-message{text-align:center;margin-top:24px}.thanks-message p{font-size:1em;color:var(--text-secondary);margin-bottom:16px}.play-again-button{padding:12px 32px;font-size:1em;font-weight:600;background:var(--primary-color);color:#fff;border:none;border-radius:var(--radius-md);cursor:pointer;transition:all .2s ease}.play-again-button:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}@keyframes popIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}@media(max-width:768px){.finished-container{padding:24px}.finished-container 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