/* ============================================================
   Asymmetric Intelligence — Shared Monitor Design System
   shared/css/chip-filter.css  ·  Version 1.0  ·  12 May 2026
   Universal chip-filter primitive (FE-CHIP-FILTER-PRIMITIVE)
   P12 · P13 · P5 · P6
   ============================================================ */

/* ─── Container ────────────────────────────────────────────── */
.chip-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  padding: var(--space-3) 0;
  font-family: var(--font-sans);
}

/* ─── Group ─────────────────────────────────────────────────── */
.chip-filter__group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
}

/* ─── Group label ───────────────────────────────────────────── */
.chip-filter__label {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-right: var(--space-2);
  white-space: nowrap;
}

/* ─── Individual chip ───────────────────────────────────────── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--chip-border);
  border-radius: var(--radius-md);
  background: var(--chip-bg);
  color: var(--chip-text);
  font-size: var(--text-sm);
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
  user-select: none;
  /* Ensure button-reset styles are applied */
  font-family: var(--font-sans);
  appearance: none;
  -webkit-appearance: none;
}

.chip:hover {
  background: var(--chip-bg-hover);
}

.chip:focus-visible {
  outline: 2px solid var(--monitor-accent);
  outline-offset: 2px;
}

/* ─── Selected state ────────────────────────────────────────── */
.chip[aria-pressed="true"] {
  background: var(--chip-bg-selected);
  border-color: var(--chip-border-selected);
  color: var(--chip-text-selected);
}

/* ─── Disabled state ────────────────────────────────────────── */
.chip[disabled],
.chip[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ─── Reset button ──────────────────────────────────────────── */
.chip-filter__reset {
  margin-left: auto;
  padding: var(--space-1) var(--space-2);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  cursor: pointer;
  text-decoration: underline;
  appearance: none;
  -webkit-appearance: none;
}

.chip-filter__reset:hover {
  color: var(--color-text);
}

.chip-filter__reset[hidden] {
  display: none;
}

/* ─── Empty state ───────────────────────────────────────────── */
.chip-filter__empty {
  padding: var(--space-6) var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  text-align: center;
  width: 100%;
}

/* ─── Hidden target items (managed by chip-filter.js) ──────── */
.chip-filter--hidden {
  display: none !important;
}