/* =============================================================================
   buttons.css
   button base, variants, sizes, and button rows
============================================================================= */

/* base button setup */
.la-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: var(--la-control-width);
    gap: var(--la-2);
    min-height: var(--la-control-height);
    padding: 0 var(--la-4);
    border: 1px solid transparent;
    border-radius: var(--la-radius-sm);
    background: transparent;
    color: inherit;
    font-family: var(--la-font);
    font-size: var(--la-text-sm);
    font-weight: var(--la-weight-light);
    line-height: 1;
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    cursor: pointer;
    transition:
        background-color var(--la-transition-fast),
        border-color var(--la-transition-fast),
        color var(--la-transition-fast),
        box-shadow var(--la-transition-fast);
}

/* keep button icons from doing weird stuff */
.la-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* disabled wins over every button variant */
.la-btn:disabled,
.la-btn[aria-disabled="true"] {
    border-color: var(--la-border) !important;
    background: var(--la-surface-subtle) !important;
    color: var(--la-disabled) !important;
    cursor: not-allowed;
}

/* main action button, use this carefully */
.la-btn-primary {
    border-color: var(--la-brand-action);
    background: var(--la-brand-action);
    color: var(--la-ink-inverse);
}

.la-btn-primary:hover:not(:disabled),
.la-btn-primary:focus-visible:not(:disabled) {
    border-color: var(--la-brand-action-hover);
    background: var(--la-brand-action-hover);
}

.la-btn-primary:active:not(:disabled) {
    border-color: var(--la-brand-action-active);
    background: var(--la-brand-action-active);
}

/* normal secondary action */
.la-btn-secondary {
    border-color: var(--la-border-strong);
    background: var(--la-surface);
    color: var(--la-ink-soft);
}

.la-btn-secondary:hover:not(:disabled),
.la-btn-secondary:focus-visible:not(:disabled) {
    background: var(--la-surface-subtle);
    color: var(--la-ink);
}

/* quiet action, no border until hover */
.la-btn-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--la-ink-soft);
}

.la-btn-ghost:hover:not(:disabled),
.la-btn-ghost:focus-visible:not(:disabled) {
    border-color: var(--la-border-strong);
    background: var(--la-surface-subtle);
    color: var(--la-ink);
}

/* destructive action with visible border */
.la-btn-danger {
    border-color: var(--la-danger-border);
    background: transparent;
    color: var(--la-danger);
}

.la-btn-danger:hover:not(:disabled),
.la-btn-danger:focus-visible:not(:disabled) {
    background: var(--la-danger-hover);
    color: var(--la-ink-inverse);
}

.la-btn-danger:active:not(:disabled) {
    background: var(--la-danger-active);
    color: var(--la-ink-inverse);
}

/* destructive action with low visual weight */
.la-btn-danger-ghost {
    border-color: transparent;
    background: transparent;
    color: var(--la-danger);
}

.la-btn-danger-ghost:hover:not(:disabled),
.la-btn-danger-ghost:focus-visible:not(:disabled) {
    background: var(--la-danger-hover);
    color: var(--la-ink-inverse);
}

.la-btn-danger-ghost:active:not(:disabled) {
    background: var(--la-danger-active);
    color: var(--la-ink-inverse);
}

/* inline text button, not for main actions */
.la-btn-link {
    min-height: unset;
    padding: 0;
    border-color: transparent;
    background: transparent;
    color: var(--la-brand-active);
    line-height: inherit;
    white-space: normal;
}

.la-btn-link:hover:not(:disabled),
.la-btn-link:focus-visible:not(:disabled) {
    background: transparent;
    color: var(--la-brand);
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* smaller button sizes */
.la-btn-sm {
    min-height: 32px;
    padding: 0 var(--la-3);
    font-size: var(--la-text-xs);
}

.la-btn-xs {
    min-height: 24px;
    padding: 0 var(--la-2);
    font-size: var(--la-text-xs);
}

/* button should fill its parent */
.la-btn-full {
    display: flex;
    width: 100%;
}

/* simple row for grouped actions */
.la-button-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--la-2);
}