* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 1400px;
    width: 100%;
}

header {
    text-align: center;
    color: white;
    margin-bottom: 20px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stats {
    font-size: 1.2rem;
    font-weight: bold;
}

.game-container {
    background: white;
    border-radius: 20px;
    padding: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
}

#arena {
    display: block;
    width: 100%;
    height: 600px;
    background: #f5f5f5;
    border-radius: 10px;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
}

button {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: bold;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.start-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.start-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.pause-btn {
    background: #f59e0b;
    color: white;
}

.pause-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.restart-btn {
    background: #10b981;
    color: white;
    margin-top: 20px;
}

.restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.hidden {
    display: none !important;
}

/* Winner Screen */
.winner-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.winner-content {
    text-align: center;
    color: white;
    animation: scaleIn 0.6s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0.5);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

.winner-content h2 {
    font-size: 4rem;
    margin-bottom: 30px;
    color: #fbbf24;
    text-shadow: 0 0 20px rgba(251, 191, 36, 0.5);
}

.winner-avatar {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 5px solid #fbbf24;
    box-shadow: 0 0 30px rgba(251, 191, 36, 0.6);
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.winner-content h3 {
    font-size: 2rem;
    margin-bottom: 10px;
}

.winner-content p {
    font-size: 1.2rem;
    color: #d1d5db;
    margin-bottom: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }

    #arena {
        height: 400px;
    }

    .winner-content h2 {
        font-size: 2.5rem;
    }

    .winner-avatar {
        width: 150px;
        height: 150px;
    }
}