:root {
    --primary-color: #0288d1;
    --primary-color-hover: #0069a5;
    --text-color: #333;
    --border-color: #ccc;
    --error-color: #d32f2f;
    --error-bg-color: #ffebee;
}

* {
    box-sizing: border-box;
}

/* Same font scheme as davx5.com paragraphs, but with a fixed size:
   the form is rendered in an iframe, so viewport-based media queries
   would match the iframe width, not the browser window. */
body {
    font-family: "Source Sans Pro", Arial, Helvetica, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.65;
    margin: 0;
    padding: 0;
    color: var(--text-color);
}

.webforms-container {
    width: 100%;
    padding: 10px;
}

h1 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-top: 0;
}

.webforms-intro {
    color: var(--text-color);
}

.webforms-intro a,
.webforms-box a {
    color: var(--primary-color);
}

.form-row {
    margin: 1em 0;
}

.form-row:has(> input[type="checkbox"]) {
    padding: 0.3em 0;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 0.3em;
}

label .required-marker {
    color: var(--error-color);
}

label .field-hint {
    font-weight: normal;
    color: grey;
}

input,
button,
select,
textarea {
    font: inherit;
}

input[type="text"],
input[type="email"],
select,
textarea {
    width: 100%;
    max-width: 640px;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
}

textarea {
    resize: vertical;
}

input[type="file"] {
    width: 100%;
    max-width: 640px;
    padding: 6px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
}

input[type="file"]::-webkit-file-upload-button,
input[type="file"]::file-selector-button {
    margin-right: 10px;
    padding: 3px 12px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: #fff;
    cursor: pointer;
}

input[type="checkbox"] {
    width: 1.25em;
    height: 1.25em;
    margin-right: 0.4em;
    vertical-align: -0.2em;
    cursor: pointer;
}

.privacy-consent {
    display: inline;
    font-weight: normal;
}

.btn {
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: #fff;
}

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

.result-title {
    color: var(--primary-color);
    margin-top: 0;
}

.result-title.error {
    color: var(--error-color);
}

.result-message {
    margin-bottom: 30px;
}

.error-box {
    border: 1px solid var(--error-color);
    background: var(--error-bg-color);
    border-radius: 4px;
    padding: 12px 16px;
    margin-bottom: 1em;
}