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

body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.navbar {
    background: rgba(0, 0, 0, 0.3);
    padding: 15px 0;
    margin-bottom: 30px;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    color: white;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 15px;
    align-items: center;
}

.nav-links a, .nav-links span {
    color: white;
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.1);
}

.hero {
    text-align: center;
    padding: 60px 20px;
}

.hero h1 {
    font-size: 48px;
    color: white;
    margin-bottom: 20px;
}

.hero p {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 12px 25px;
    background: white;
    color: #667eea;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
}

.games-section {
    margin-top: 40px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.game-card, .card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.game-card h3 {
    margin-bottom: 10px;
}

.game-card p {
    color: #7f8c8d;
    margin-bottom: 15px;
}

.auth-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 40px;
    background: white;
    border-radius: 15px;
    text-align: center;
}

.auth-container h2 {
    margin-bottom: 20px;
}

.auth-container form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-container input {
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
}

.auth-container button {
    padding: 12px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.alert {
    padding: 15px;
    border-radius: 5px;
    margin-bottom: 15px;
}

.alert.error {
    background: #f8d7da;
    color: #721c24;
}

.badge {
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 14px;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}