.field-help {
    color: var(--ink-faint);
    font-size: .85rem;
}

textarea,
input[type="text"],
input[type="password"],
input[type="number"] {
    width: 100%;
    padding: 13px 15px;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-m);
    background: var(--surface);
    transition: border-color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

textarea {
    resize: vertical;
    line-height: 1.6;
}

textarea:hover,
input:hover {
    border-color: var(--ink-faint);
}

textarea:focus,
input:focus {
    outline: none;
    border-color: var(--ink);
    box-shadow: 0 0 0 4px var(--marker-soft);
}

textarea[aria-invalid="true"] {
    border-color: var(--bad);
    box-shadow: 0 0 0 4px var(--bad-soft);
}

::placeholder {
    color: var(--ink-faint);
}

.choice-grid {
    display: grid;
    gap: var(--space-3);
}

.choice-grid.levels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.choice {
    position: relative;
    display: grid;
    gap: 2px;
    align-content: start;
    padding: var(--space-4);
    border: 1px solid var(--line-strong);
    border-radius: var(--radius-m);
    background: var(--surface);
    cursor: pointer;
    transition: border-color var(--duration-fast) ease, background var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.choice:hover {
    border-color: var(--ink-faint);
}

.choice input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.choice strong {
    font-size: .98rem;
}

.choice small {
    color: var(--ink-faint);
    font-size: .8rem;
    line-height: 1.35;
}

.choice:has(input:checked) {
    border-color: var(--ink);
    background: var(--marker-soft);
    box-shadow: inset 0 0 0 1px var(--ink);
}

.choice:has(input:checked) small {
    color: var(--marker-ink);
}

.choice:has(input:focus-visible),
.segmented label:has(input:focus-visible) {
    outline: 2px solid var(--ink);
    outline-offset: 2px;
}

.level {
    display: flex;
    gap: 3px;
    margin-bottom: var(--space-3);
}

.level i {
    width: 16px;
    height: 6px;
    border-radius: 3px;
    background: var(--line);
}

.level[data-level="1"] i:nth-child(-n+1),
.level[data-level="2"] i:nth-child(-n+2),
.level[data-level="3"] i:nth-child(-n+3),
.level[data-level="4"] i:nth-child(-n+4) {
    background: var(--ink);
}

.segmented {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 4px;
    padding: 4px;
    border-radius: var(--radius-m);
    background: var(--paper-deep);
}

.segmented label {
    position: relative;
    border-radius: var(--radius-s);
    cursor: pointer;
}

.segmented input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.segmented span {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-height: 44px;
    padding: 0 10px;
    border-radius: var(--radius-s);
    color: var(--ink-soft);
    font-size: .9rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background var(--duration-fast) ease, color var(--duration-fast) ease, box-shadow var(--duration-fast) ease;
}

.segmented label:hover span {
    color: var(--ink);
}

.segmented input:checked + span {
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 1px 2px rgba(31, 28, 23, .08), 0 2px 8px -2px rgba(31, 28, 23, .12);
}

.count-control {
    display: grid;
    grid-template-columns: 84px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: center;
}

.count-control input[type="number"] {
    height: 52px;
    padding: 0 8px;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

input[type="range"] {
    width: 100%;
    height: 24px;
    background: transparent;
    appearance: none;
    cursor: pointer;
}

input[type="range"]::-webkit-slider-runnable-track {
    height: 6px;
    border-radius: 3px;
    background: linear-gradient(to right, var(--ink) var(--fill, 15%), var(--line-strong) var(--fill, 15%));
}

input[type="range"]::-moz-range-track {
    height: 6px;
    border-radius: 3px;
    background: var(--line-strong);
}

input[type="range"]::-moz-range-progress {
    height: 6px;
    border-radius: 3px;
    background: var(--ink);
}

input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
    margin-top: -8px;
    border: 3px solid var(--ink);
    border-radius: 50%;
    background: var(--marker);
    appearance: none;
    transition: transform var(--duration-fast) ease;
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border: 3px solid var(--ink);
    border-radius: 50%;
    background: var(--marker);
}

input[type="range"]:active::-webkit-slider-thumb {
    transform: scale(1.12);
}

input[type="range"]:focus {
    box-shadow: none;
}

.input-with-action {
    position: relative;
}

.input-with-action input {
    padding-right: 52px;
    font-family: var(--font-mono);
    font-size: .9rem;
}

.input-with-action .icon-button {
    position: absolute;
    top: 50%;
    right: 4px;
    transform: translateY(-50%);
}

.key-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: var(--space-2) var(--space-4);
    font-size: .875rem;
}

.key-options a {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    color: var(--ink-soft);
}

.checkbox {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--ink-soft);
    cursor: pointer;
}

.checkbox input {
    width: 17px;
    height: 17px;
    accent-color: var(--ink);
}

@media (max-width: 720px) {
    .choice-grid.levels {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 480px) {
    .segmented {
        grid-template-columns: 1fr;
    }

    .segmented span {
        justify-content: flex-start;
        padding: 0 14px;
    }
}