.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #2196F3, #1976D2);
}

.login-card {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 400px;
}

.login-card h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-color);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.loading-spinner {
    text-align: center;
    margin-top: 1rem;
    color: var(--primary-color);
}

.error {
    color: #f44336;
    margin: 10px 0;
    text-align: center;
    min-height: 20px;
}

select#authType:disabled {
    background-color: #f5f5f5;
    cursor: not-allowed;
}

.btn:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.btn {
    width: 100%;
    padding: 0.75rem;
    font-size: 1rem;
    margin-top: 1rem;
}