body {
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    width: 400px;
    padding: 30px;
}

.login-logo {
    text-align: center;
    margin-bottom: 25px;
}

.login-logo h1 {
    color: #2980b9;
    font-size: 1.8rem;
    margin: 0;
    border: none;
}

.login-form .form-group {
    margin-bottom: 20px;
}

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

.login-form .form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.login-form .form-group input:focus {
    border-color: #3498db;
    outline: none;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(to right, #3498db, #2980b9);
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.login-btn:hover {
    background: linear-gradient(to right, #2980b9, #2573a7);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.error-message {
    background-color: #ffebee;
    color: #e53935;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-size: 14px;
}