.btn {
    min-height: var(--ui-control-lg);
    padding: 0 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--ui-radius-md);
    background: var(--ui-surface);
    color: var(--ui-ink);
    font-weight: 750;
    line-height: 1.25;
    text-align: center;
    transition: border-color var(--ui-duration-fast) ease-out, background-color var(--ui-duration-fast) ease-out, color var(--ui-duration-fast) ease-out, box-shadow var(--ui-duration-fast) ease-out, transform var(--ui-duration-fast) ease-out;
}

.btn:hover:not(:disabled) {
    transform: translateY(-1px);
}

.btn:active:not(:disabled) {
    transform: translateY(0);
}

.btn-main {
    border-color: var(--ui-primary);
    background: var(--ui-primary);
    color: var(--ui-on-primary);
    box-shadow: none;
}

.btn-main:hover:not(:disabled) {
    border-color: var(--ui-primary-hover);
    background: var(--ui-primary-hover);
}

.btn-main:active:not(:disabled) {
    border-color: var(--ui-primary-active);
    background: var(--ui-primary-active);
}

.btn-dark {
    border-color: var(--ui-heading);
    background: var(--ui-heading);
    color: var(--ui-surface);
}

.btn-line {
    border-color: var(--ui-line-strong);
    background: var(--ui-surface);
    color: var(--ui-heading);
}

.btn-line:hover:not(:disabled) {
    border-color: var(--ui-primary-border);
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
}

.btn-soft {
    border-color: transparent;
    background: var(--ui-surface-muted);
    color: var(--ui-muted);
}

.btn-soft:hover:not(:disabled) {
    background: var(--ui-surface-hover);
    color: var(--ui-heading);
}

.btn.mini,
.mini.btn {
    min-height: var(--ui-control-sm);
    padding-inline: 11px;
    font-size: 12px;
}

.full-btn {
    width: 100%;
    margin-top: 16px;
}

.text-btn {
    min-height: 44px;
    padding: 6px 0 0;
    border: 0;
    background: transparent;
    color: var(--ui-primary);
    font-weight: 750;
}

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

.chip {
    min-height: var(--ui-touch-target);
    flex: 0 0 auto;
    padding: 0 13px;
    border: 1px solid var(--ui-line);
    border-radius: var(--ui-radius-sm);
    background: var(--ui-surface);
    color: var(--ui-muted);
    font-size: 13px;
    font-weight: 700;
    line-height: 1.2;
    white-space: nowrap;
    transition: border-color var(--ui-duration-fast) ease-out, background-color var(--ui-duration-fast) ease-out, color var(--ui-duration-fast) ease-out;
}

.chip-with-icon {
    gap: 7px;
    padding-left: 7px;
    display: inline-flex;
    align-items: center;
}

.category-chip-icon {
    width: 26px;
    height: 26px;
    flex: 0 0 26px;
    display: grid;
    place-items: center;
    overflow: hidden;
    border-radius: var(--ui-radius-sm);
    background: var(--ui-surface-muted);
    color: var(--ui-muted);
}

.category-chip-icon img,
.category-chip-icon .ui-icon {
    width: 18px;
    height: 18px;
    object-fit: cover;
}

.chip:hover:not(:disabled) {
    border-color: var(--ui-primary-border);
    color: var(--ui-primary);
}

.chip.active,
.chip[aria-selected="true"],
.chip[aria-pressed="true"] {
    border-color: var(--ui-primary);
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
}

.chip.active .category-chip-icon {
    background: var(--ui-primary);
    color: var(--ui-on-primary);
}

.tag,
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.tag {
    margin: 0 5px 6px 0;
    padding: 5px 7px;
    border: 1px solid var(--ui-primary-border);
    border-radius: var(--ui-radius-xs);
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
    font-size: 11px;
    font-weight: 700;
}

.tag-row {
    min-height: 30px;
    overflow: hidden;
}

.btn:disabled,
.chip:disabled,
.btn[aria-busy="true"],
.chip[aria-busy="true"] {
    opacity: .56;
    pointer-events: none;
    transform: none;
}