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

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
}

.auth-container {
    width: 100%;
    max-width: 500px;
    padding: 20px;
}

.game-logo {
    text-align: center;
    margin-bottom: 30px;
}

.game-logo h1 {
    font-size: 2.5rem;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.auth-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.welcome-text {
    text-align: center;
    margin-bottom: 30px;
}

.welcome-text h2 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    color: #4ecdc4;
}

.welcome-text p {
    color: #b8b8b8;
}

.google-auth-section {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.game-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.game-info p {
    color: #4ecdc4;
    margin-bottom: 10px;
    font-weight: bold;
}

.game-info ul {
    list-style-type: none;
    padding-left: 20px;
}

.game-info li {
    margin: 8px 0;
    color: #b8b8b8;
    position: relative;
}

.game-info li:before {
    content: "▶";
    color: #ff6b6b;
    position: absolute;
    left: -20px;
}

.status-message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    text-align: center;
}

.status-message.success {
    background: rgba(46, 204, 113, 0.2);
    border: 1px solid #2ecc71;
    display: block;
}

.status-message.error {
    background: rgba(231, 76, 60, 0.2);
    border: 1px solid #e74c3c;
    display: block;
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: #4ecdc4;
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay p {
    color: #4ecdc4;
    font-size: 1.2rem;
}

@media (max-width: 600px) {
    .auth-container {
        padding: 10px;
    }
    
    .auth-box {
        padding: 20px;
    }
    
    .game-logo h1 {
        font-size: 2rem;
    }
}