body {
    background: linear-gradient(120deg, #a1c4fd, #c2e9fb);
    font-family: 'Roboto', sans-serif;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
}

.login-card {
    background: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: 20px;
}

.login-header h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #4b79a1;
}

.login-header i {
    color: #4b79a1;
    margin-right: 10px;
}

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

.input-group label {
    font-weight: 500;
    color: #333;
    margin-bottom: 5px;
    display: block;
}

.input-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    outline: none;
    transition: border 0.3s ease-in-out;
}

.input-group input:focus {
    border-color: #4b79a1;
}

.login-error {
    text-align: center;
}

.error-message {
    color: #e74c3c;
    font-weight: 500;
}

.login-button {
    width: 100%;
    padding: 12px;
    background: #4b79a1;
    border: none;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease-in-out;
}

.login-button:hover {
    background: #283e51;
}