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

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

.login-container {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo-section {
    margin-bottom: 30px;
}

.logo {
    max-width: 120px;
    height: auto;
    margin-bottom: 20px;
}

.login-form h2 {
    color: #333;
    margin-bottom: 25px;
    font-size: 24px;
}

.form-group {
    margin-bottom: 20px;
    text-align: left;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.error-message {
    background-color: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #fcc;
    font-weight: 500;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.login-btn:hover {
    transform: translateY(-2px);
}

.access-section {
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid #eee;
}

.access-btn {
    display: inline-block;
    padding: 12px 25px;
    background-color: #28a745;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

.access-btn:hover {
    background-color: #218838;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 20px;
        margin: 10px;
    }
    
    .logo {
        max-width: 100px;
    }
    
    .login-form h2 {
        font-size: 20px;
    }
    
    .form-group input {
        padding: 10px 12px;
        font-size: 14px;
    }
    
    .login-btn {
        padding: 12px;
        font-size: 14px;
    }
    
    .access-btn {
        padding: 10px 20px;
        font-size: 14px;
    }
}

@media (max-width: 320px) {
    .login-container {
        padding: 20px 15px;
    }
    
    .logo {
        max-width: 80px;
    }
}