body{
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    color: white;
}

.login-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-box {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: center;
    max-width: 400px;
    width: 90%;
}

.logo img {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
}

.login-box h2 {
    margin: 0 0 30px 0;
    color: #fff;
    font-size: 28px;
    font-weight: 300;
}

.input-group {
    margin-bottom: 20px;
}

.input-group input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 16px;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.input-group input:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.3);
}

.login-btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(45deg, #007bff, #0056b3);
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.login-btn:hover {
    background: linear-gradient(45deg, #0056b3, #004085);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.4);
}

.error-message {
    color: #ff6b6b;
    margin-top: 15px;
    font-size: 14px;
    min-height: 20px;
}

.main-content {
    min-height: 100vh;
}

.header {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    position: relative;
}

.header-logo {
    width: 50px;
    height: 50px;
}

.header h1 {
    margin: 0;
    font-size: 32px;
    font-weight: 300;
    background: linear-gradient(45deg, #007bff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.header-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
    margin-left: auto;
}

.download-btn {
    padding: 10px 20px;
    border: 1px solid rgba(0, 123, 255, 0.3);
    border-radius: 8px;
    background: rgba(0, 123, 255, 0.1);
    color: transparent;
    background: linear-gradient(45deg, #007bff, #00d4ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    font-size: 14px;
}

.download-btn:hover {
    background: linear-gradient(45deg, #0056b3, #00b3cc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    border-color: rgba(0, 123, 255, 0.6);
    box-shadow: 0 0 15px rgba(0, 123, 255, 0.3);
    transform: translateY(-2px);
}

.logout-btn {
    padding: 10px 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* Контент */
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.game-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.game-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 123, 255, 0.5);
}

.game-card h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: #fff;
}

.game-card p {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 16px;
    line-height: 1.5;
}

@media (max-width: 768px) {
    .login-box {
        padding: 30px 20px;
        margin: 20px;
    }
    
    .header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        position: relative;
    }
    
    .header h1 {
        position: static;
        transform: none;
        order: 1;
    }
    
    .header-buttons {
        order: 2;
        margin-left: 0;
        justify-content: center;
    }
    
    .header-logo {
        display: none;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}