label {
    display: block;
    font-size: .875rem;
    font-weight: var(--k-fw-medium);
    color: var(--k-text);
    margin-bottom: var(--k-sp-1)
}

label[data-required]::after {
    content: ' *';
    color: var(--k-danger)
}

input:not([type=checkbox]):not([type=radio]):not([type=range]):not([type=color]):not([type=file]),
textarea,
select {
    display: block;
    width: 100%;
    height: var(--k-input-h);
    padding: 0 var(--k-sp-3);
    font-size: .875rem;
    color: var(--k-text);
    background: var(--k-bg);
    border: 1px solid var(--k-border);
    border-radius: var(--k-input-r);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--k-fast), box-shadow var(--k-fast);
}

textarea {
    height: auto;
    min-height: 90px;
    padding: var(--k-sp-3);
    resize: vertical
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
    cursor: pointer
}

input:not([type=checkbox]):not([type=radio]):focus,
textarea:focus,
select:focus {
    border-color: var(--k-accent);
    box-shadow: 0 0 0 3px hsl(var(--k-accent-h), var(--k-accent-s), var(--k-accent-l), .15);
}

input[data-size="sm"]:not([type=checkbox]):not([type=radio]) {
    height: var(--k-input-h-sm);
    font-size: .8rem;
    padding: 0 var(--k-sp-2)
}

input[data-size="lg"]:not([type=checkbox]):not([type=radio]) {
    height: var(--k-input-h-lg);
    font-size: 1rem;
    padding: 0 var(--k-sp-4)
}

input[data-state="error"],
textarea[data-state="error"] {
    border-color: var(--k-danger)
}

input[data-state="error"]:focus {
    box-shadow: 0 0 0 3px rgba(192, 57, 43, .15)
}

input[data-state="success"],
textarea[data-state="success"] {
    border-color: var(--k-success)
}

input:disabled,
textarea:disabled,
select:disabled {
    opacity: .55;
    cursor: not-allowed;
    background: var(--k-surface)
}

input[readonly] {
    background: var(--k-surface)
}

/* Checkbox & radio */
input[type=checkbox],
input[type=radio] {
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--k-border-strong);
    background: var(--k-bg);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all var(--k-fast);
}

input[type=checkbox] {
    border-radius: var(--k-r-sm)
}

input[type=radio] {
    border-radius: 50%
}

input[type=checkbox]:checked,
input[type=radio]:checked {
    background: var(--k-accent);
    border-color: var(--k-accent)
}

input[type=checkbox]:checked::after {
    content: '';
    width: 4px;
    height: 8px;
    border: 2px solid var(--k-accent-fg);
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-1px);
    position: absolute
}

input[type=radio]:checked::after {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--k-accent-fg);
    border-radius: 50%;
    position: absolute
}

input[type=checkbox]:focus-visible,
input[type=radio]:focus-visible {
    outline: 2px solid var(--k-accent);
    outline-offset: 2px
}

/* Range */
input[type=range] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 5px;
    background: var(--k-surface-2);
    border-radius: var(--k-r-full);
    outline: none;
    cursor: pointer
}

input[type=range]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    background: var(--k-accent);
    border-radius: 50%;
    border: 2px solid var(--k-bg);
    box-shadow: var(--k-sh-sm);
    transition: transform var(--k-fast)
}

input[type=range]::-webkit-slider-thumb:hover {
    transform: scale(1.15)
}

/* Field wrapper */
[data-field] {
    display: flex;
    flex-direction: column;
    gap: var(--k-sp-1);
    margin-bottom: var(--k-sp-5)
}

[data-field]:last-child {
    margin-bottom: 0
}

[data-hint] {
    font-size: .8rem;
    color: var(--k-text-2)
}

[data-hint][data-state="error"] {
    color: var(--k-danger)
}

[data-hint][data-state="success"] {
    color: var(--k-success)
}

/* Input group (prefix/suffix addon) */
[data-input-group] {
    display: flex;
    align-items: stretch;
    width: 100%
}

[data-input-group] input {
    border-radius: 0;
    flex: 1
}

[data-input-group] [data-addon] {
    display: inline-flex;
    align-items: center;
    padding: 0 var(--k-sp-3);
    background: var(--k-surface-2);
    border: 1px solid var(--k-border);
    font-size: .875rem;
    color: var(--k-text-2);
    white-space: nowrap
}

[data-input-group] [data-addon]:first-child {
    border-right: none;
    border-radius: var(--k-input-r) 0 0 var(--k-input-r)
}

[data-input-group] [data-addon]:last-child {
    border-left: none;
    border-radius: 0 var(--k-input-r) var(--k-input-r) 0
}