.er-form {
    max-width: 420px;
    margin: 5px auto;
    padding: 25px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    font-family: Arial, sans-serif;
}



.er-field {
    margin-bottom: 18px;
}

.er-field label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

.er-field input,
.er-field select {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    outline: none;
}

.er-field input:focus,
.er-field select:focus {
    border-color: #2271b1;
}

.er-btn {
    width: 100%;
    padding: 12px;
    font-size: 15px;
    font-weight: bold;
    background: #000000;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.er-btn:hover {
    background: #1a5f96;
}

.er-btn:disabled {
    background: #999;
    cursor: not-allowed;
}