:root {
    --border-radius: 4px;
}

* {
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    margin: 0;
    padding: 1em;

    font-size: 16px;
    line-height: 1.6;
}

h1 {
    margin-top: 0;
    margin-bottom: 0.5em;

    padding-bottom: 0.125em;

    border-bottom: 1px solid rgba(0, 0, 0, 0.1);

    font-size: 2em;
}

.card {
    max-width: 28rem;
    margin: 3rem auto 0;
    padding: 0.75rem 0.75rem 0.75rem;

    background: #fbfbfb;

    box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.2);
    border-radius: var(--border-radius);
}

.help-text {
    display: block;

    margin-top: 0.25rem;

    font-size: 0.8125em;
    font-style: italic;
    color: #6f6f6f;
}

/* Index page */

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

li {
    padding: 0.75rem 0.25rem;
}

li:not(:last-child) {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.route-link {
    color: #734285;
    font-weight: 600;
    text-decoration: none;
}

.route-link:hover,
.route-link:focus {
    text-decoration: underline;
}

/* Profile generator page */

label {
    display: block;

    margin-bottom: 0.25rem;
    padding-left: 4px;

    font-size: 0.8125em;
    color: #3c3c3c;
}

input {
    /* Total height of 36px = (vert padding * 2) + line height */

    display: block;

    width: 100%;

    margin-bottom: 0.75rem;
    padding: 0.5rem 0;

    border: none;
    border-radius: var(--border-radius);
    background: #e3e3e3;

    line-height: 20px;
    text-indent: 0.5rem;
    font-size: 0.8125em;
    font-weight: 300;
}

input:hover {
    background: #e7e7e7;
}

input:focus {
    outline: 0;
    box-shadow: 0px 0px 0px 2px #9354a9;
    background: #e8e8e8;
}

button,
.button-link {
    display: inline-block;

    padding: 0.5rem 1rem;

    border-radius: var(--border-radius);

    font-size: 0.875rem;
    font-weight: 300;
    line-height: 1.25rem;
}

button {
    border: none;

    background-color: #9354a9;
    color: #f5f5f5;

    cursor: pointer;
}

button:hover,
button:focus {
    background-color: #b97ecc;
}

button:focus {
    background-color: #9864a9;
    outline: none;
}

.button-link {
    padding-left: 0.75rem;
    padding-right: 0.75rem;

    color: #734285;

    text-decoration: none;
}

.button-link:hover,
.button-link:focus {
    color: #734285;
    background-color: rgba(0, 0, 0, 0.05);
}

.button-link:focus {
    outline: 0;
    box-shadow: 0px 0px 0px 2px #9354a9;
}

details summary:first-of-type {
    padding-left: 4px;

    font-size: 0.8125em;
    color: #3c3c3c;
}

details[open] > summary:first-of-type {
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

label.required:after {
    content: ' *';
}

.error {
    padding: 0.75em 0.5rem;
    margin-bottom: 0.5rem;

    background-color: #d64d68;
    border-radius: var(--border-radius);

    font-size: 0.8125em;

    color: #f5f5f5;
}

.input-group {
    display: flex;

    margin-bottom: 0.75rem;

    border-radius: var(--border-radius);
}

.input-group input {
    margin-bottom: 0;
    border-radius: 0;
}

.input-group > *:first-child {
    border-top-left-radius: var(--border-radius);
    border-bottom-left-radius: var(--border-radius);
}

.input-group > *:last-child {
    border-top-right-radius: var(--border-radius);
    border-bottom-right-radius: var(--border-radius);
}

.input-group-add-on {
    flex-shrink: 0;

    padding: 0.5rem 0.75rem;

    border: none;
    background: #cdcdcd;

    line-height: 20px;
    font-size: 0.8125em;
    font-weight: 300;
}

.input-group-add-on:not(:first-child) {
    border-left: 1px solid #c0c0c0;
}

.input-group-add-on:not(:last-child) {
    border-right: 1px solid #c0c0c0;
}

.input-group:focus-within {
    box-shadow: 0px 0px 0px 2px #9354a9;
}

.input-group:focus-within input:focus {
    box-shadow: 0;
}

.field-help {
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
    padding-left: 4px;

    font-size: 0.625em;
    font-style: italic;
    color: #6f6f6f;
}

input + .field-help,
.input-group + .field-help {
    margin-top: -0.625rem;
    margin-bottom: 0.75rem;
}

.form-actions {
    display: flex;
    flex-direction: row-reverse;
    justify-content: space-between;

    margin-top: 1.5em;
    padding-top: 0.75em;

    border-top: 1px solid rgba(0, 0, 0, 0.1);
}