:root {
    --container-bg-color: white;
    --border-radius-val: 8px;
    --box-shadow-val: 0 4px 6px rgba(0, 0, 0, 0.1);
    --input-width: 100%;
    --input-padding: 10px;
    --input-border-color: #ccc;
    --input-focus-border-color: #6c63ff;
    --btn-submit-bg-hover: #5750d9;
    --input-group-readonly-color: #f9f9f9;
    --input-label-color: #555;
}

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

.content {
    min-height: 100vh;
}

.container {
    background-color: var(--container-bg-color);
    padding: 20px 30px;
    border-radius: var(--border-radius-val);
    box-shadow: var(--box-shadow-val);
    width: 100%;
    max-width: 500px;
    display: grid;
    gap: 20px;
}

form {
    display: grid;
    gap: 15px;
}

.input-group {
    display: grid;
    gap: 5px;
}

.input-group label {
    font-size: 14px;
    color: var(--input-label-color);
}

.input-group input {
    width: var(--input-width);
    padding: var(--input-padding);
    border: 1px solid var(--input-border-color);
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s;
}

/* For readonly inputs */
.input-group input[readonly] {
    background-color: var(--input-group-readonly-color);
    cursor: not-allowed;
}

.input-group input:focus {
    border-color: var(--input-focus-border-color);
    outline: none;
}

.btn-submit {
    margin-top: 10px;
    padding: 12px;
    padding-inline: 30px;
}

.btn-submit:hover {
    background-color: var(--btn-submit-bg-hover);
}