/* ── Cross-Filter Badge ────────────────────────────────────────────── */
/* Story 9.1: Cross-Filtering Between Chart Tiles                      */

.cross-filter-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px 4px 8px;
    border-radius: 16px;
    background: var(--color-yellow-100);
    border: 1.5px solid var(--color-yellow-500);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-neutral-800);
    white-space: nowrap;
    transition: opacity 0.2s ease, transform 0.2s ease;
    margin-left: 8px;
    animation: cross-filter-fade-in 0.25s ease-out;
}

.cross-filter-badge--hidden {
    display: none;
}

.cross-filter-badge--active {
    display: inline-flex;
}

.cross-filter-badge__icon {
    font-size: 0.875rem;
    line-height: 1;
    opacity: 0.7;
}

.cross-filter-badge__text {
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.cross-filter-badge__clear {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 0;
    border: none;
    border-radius: 50%;
    background: var(--color-neutral-300);
    color: var(--color-neutral-700);
    font-size: 0.625rem;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease;
}

.cross-filter-badge__clear:hover {
    background: var(--color-neutral-400);
    color: var(--color-neutral-900);
}

.cross-filter-badge__clear:focus-visible {
    outline: 2px solid var(--color-yellow-500);
    outline-offset: 1px;
}

/* ── Tile visual indicators ───────────────────────────────────────── */

/* Source chart: subtle highlight border */
.cross-filter-source {
    border-color: var(--color-yellow-500) !important;
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

/* Tiles being filtered: subtle glow */
.cross-filter-target {
    border-color: var(--color-sky-500) !important;
    box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-sky-500) 15%, transparent);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

/* Tiles that don't have the dimension: slightly dimmed */
.cross-filter-unaffected {
    opacity: 0.75;
    transition: opacity 0.2s ease;
}

/* ── Animation ────────────────────────────────────────────────────── */

@keyframes cross-filter-fade-in {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Dark theme overrides ─────────────────────────────────────────── */

[data-theme="dark"] .cross-filter-badge {
    background: color-mix(in srgb, var(--accent) 15%, transparent);
    border-color: var(--color-yellow-500);
    color: var(--color-neutral-200);
}

[data-theme="dark"] .cross-filter-badge__clear {
    background: var(--color-neutral-600);
    color: var(--color-neutral-200);
}

[data-theme="dark"] .cross-filter-badge__clear:hover {
    background: var(--color-neutral-500);
}

/* ── Responsive ───────────────────────────────────────────────────── */

@media (max-width: 767px) {
    .cross-filter-badge {
        margin-left: 0;
        margin-top: 8px;
    }

    .cross-filter-badge__text {
        max-width: 140px;
    }
}