:root {
    --primary-color: #6366f1;
    --secondary-color: #a855f7;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-color: #f8fafc;
    --text-muted: #94a3b8;
    --success: #22c55e;
    --error: #ef4444;
    --warning: #f59e0b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--bg-gradient);
    color: var(--text-color);
    overflow: hidden;
    position: relative;
}

/* Background Blobs */
.background-blobs {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    animation: move 20s infinite alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.blob-3 {
    width: 250px;
    height: 250px;
    background: #ec4899;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes move {
    from { transform: translate(0, 0); }
    to { transform: translate(100px, 50px); }
}

/* Container */
.game-container {
    width: 90%;
    max-width: 500px;
    padding: 2.5rem;
    border-radius: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.glass {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Stats */
.stats-container {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.stat-card {
    flex: 1;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 1rem;
    border: 1px solid var(--glass-border);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
}

/* Game Board */
.choice-display {
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin-bottom: 1.5rem;
}

.player-side, .ai-side {
    flex: 1;
}

.player-side h3, .ai-side h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.choice-icon {
    font-size: 3rem;
    height: 80px;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: transform 0.3s ease;
}

.vs {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-muted);
    padding: 0 1rem;
}

.result-message {
    font-size: 1.1rem;
    font-weight: 600;
    min-height: 1.5rem;
}

.win { color: var(--success); }
.loss { color: var(--error); }
.draw { color: var(--warning); }

/* Controls */
.controls {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-choice {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 1rem;
    border-radius: 1rem;
    cursor: pointer;
    transition: all 0.2s ease;
    flex: 1;
    font-size: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.btn-choice:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
    border-color: var(--primary-color);
}

.btn-choice:active {
    transform: translateY(0);
}

/* Footer */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-muted);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    color: var(--text-color);
    border-color: var(--text-muted);
}

/* Animations */
.animate-pop {
    animation: pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes pop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

@media (max-width: 400px) {
    .game-container {
        padding: 1.5rem;
    }
    .choice-icon {
        font-size: 2.5rem;
    }
    .btn-choice {
        padding: 0.75rem;
        font-size: 0.9rem;
    }
}