/* ============================================================
   FORMAT SELECTOR — hover dropdown in the Output panel header
   ============================================================ */

.format-selector {
    position: relative;
    flex: 0 1 auto;
    min-width: 0;
    display: flex;
    align-items: center;
}

.format-selector:focus-visible {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

/* ── trigger: no border, no background, just color ── */
.format-selector-trigger {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    font: inherit;
    font-size: var(--text-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    background: transparent;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    padding: 2px 4px;
    transition: color var(--transition);
}

.format-selector:hover .format-selector-trigger,
.format-selector:focus-within .format-selector-trigger {
    color: var(--color-primary);
}

.format-selector-label {
    overflow: hidden;
    text-overflow: ellipsis;
}

.format-selector-chevron {
    flex-shrink: 0;
    opacity: 0.55;
    transition: transform var(--transition);
}

.format-selector:hover .format-selector-chevron,
.format-selector:focus-within .format-selector-chevron {
    transform: rotate(180deg);
}

/* ── dropdown menu ── */
.format-selector-menu {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: max-content;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--space-1);
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 30;
    visibility: hidden;
    pointer-events: none;
    opacity: 0;
    transform: translateY(-10px);
    transform-origin: top left;
    transition:
        opacity 0.2s,
        transform 0.2s;
}

.format-selector:hover .format-selector-menu,
.format-selector:focus-within .format-selector-menu {
    visibility: visible;
    pointer-events: auto;
    opacity: 1;
    transform: translateY(0);
}

/* ── bridge the gap so moving from trigger → menu doesn't flicker ── */
.format-selector-menu::before {
    content: "";
    position: absolute;
    top: -6px;
    left: 0;
    right: 0;
    height: 6px;
}

.format-selector:not(:hover):not(:focus-within) .format-selector-menu {
    transition:
        opacity 0.15s 0.1s,
        transform 0.15s 0.1s;
}

/* Each option */
.format-option {
    display: flex;
    align-items: center;
    width: 100%;
    padding: var(--space-1) var(--space-3);
    font: inherit;
    font-size: var(--text-xs);
    font-weight: 500;
    color: var(--color-text);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    white-space: nowrap;
    text-align: start;
    transition:
        color var(--transition),
        background var(--transition);
}

.format-option:hover {
    background: --tint(var(--color-text-muted), 0.1);
}

.format-option[aria-selected="true"] {
    color: var(--color-primary);
    background: --tint(var(--color-primary), 0.08);
    font-weight: 600;
}

/* ── output size badge (next to format selector) ── */
.output-size {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}