/* ══════════════════════════════════════════════
   rhx-details — Collapsible disclosure widget
   ══════════════════════════════════════════════ */

.rhx-details {
    border: var(--rhx-border-width) solid var(--rhx-color-border);
    border-radius: var(--rhx-radius-md);
    overflow: hidden;
}

/* Remove default marker */
.rhx-details > .rhx-details__summary {
    list-style: none;
}

.rhx-details > .rhx-details__summary::-webkit-details-marker {
    display: none;
}

/* ── Summary ── */
.rhx-details__summary {
    display: flex;
    align-items: center;
    gap: var(--rhx-space-sm);
    padding: var(--rhx-space-md) var(--rhx-space-lg);
    cursor: pointer;
    user-select: none;
    font-weight: var(--rhx-font-weight-medium);
    color: var(--rhx-color-text);
    background: var(--rhx-color-surface);
}

.rhx-details__summary:hover {
    background: var(--rhx-color-neutral-50, var(--rhx-color-neutral-100));
}

.rhx-details__summary:focus-visible {
    outline: 2px solid var(--rhx-color-brand-500);
    outline-offset: -2px;
}

/* ── Summary icon (CSS chevron) ── */
.rhx-details__summary-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1rem;
    height: 1rem;
    flex-shrink: 0;
    transition: transform 0.15s ease;
}

.rhx-details__summary-icon::before {
    content: '';
    display: block;
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 4px 0 4px 6px;
    border-color: transparent transparent transparent currentColor;
}

/* Rotate chevron when open */
.rhx-details[open] > .rhx-details__summary > .rhx-details__summary-icon {
    transform: rotate(90deg);
}

/* ── Summary text ── */
.rhx-details__summary-text {
    flex: 1;
    min-width: 0;
}

/* ── Content ── */
.rhx-details__content {
    padding: var(--rhx-space-lg);
    border-top: var(--rhx-border-width) solid var(--rhx-color-border-muted, var(--rhx-color-border));
}

/* ── Disabled state ── */
.rhx-details--disabled > .rhx-details__summary {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
    .rhx-details__summary-icon {
        transition: none;
    }
}