/* hub-filters.css — Faceted filter bar, chips, combobox, mobile sheet
   Uses --casebook-* tokens from casebook-tokens.css. */

/* ── Hub browse toolbar (index) ─────────────────────────────────────────── */

.hub-toolbar {
  margin-block: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

/* Mobile: strip card chrome from toolbar — just show the select inline */
@media (max-width: 639px) {
  .hub-toolbar__card {
    border: none;
    background: transparent;
    box-shadow: none;
    padding: 0;
  }
  .hub-toolbar__main { gap: 0.5rem; }
  .hub-toolbar__field { flex: 1 1 100%; max-width: 100%; }
}

.hub-toolbar__type {
  display: inline-flex;
  border: 1px solid var(--casebook-border);
  border-radius: 8px;
  overflow: hidden;
  width: fit-content;
  background: color-mix(in srgb, var(--casebook-surface) 60%, transparent);
}

.hub-toolbar__type .seg-btn {
  border-right: 1px solid var(--casebook-border);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  min-height: 40px;
}

.hub-toolbar__type .seg-btn:last-child {
  border-right: none;
}

.hub-toolbar__card {
  border: 1px solid var(--casebook-border);
  border-radius: 10px;
  background: linear-gradient(
    165deg,
    color-mix(in srgb, var(--casebook-surface) 92%, var(--casebook-accent) 8%),
    var(--casebook-surface)
  );
  padding: 1rem 1.125rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: 0 1px 0 color-mix(in srgb, var(--casebook-ink) 6%, transparent);
}

.hub-toolbar__main {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1.25rem;
}

.hub-toolbar__field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1 1 200px;
  min-width: min(100%, 220px);
  max-width: 360px;
}

.hub-toolbar__label {
  font-family: var(--mono, monospace);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--casebook-ink-muted, var(--casebook-ink-faint));
}

.hub-toolbar__select {
  width: 100%;
  min-height: 44px;
  font-size: 0.9rem;
  border-radius: 8px;
}

.hub-toolbar__status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  flex: 0 0 auto;
  padding-bottom: 0.15rem;
}

.hub-toolbar__count {
  font-family: var(--mono, monospace);
  font-size: 0.8rem;
  letter-spacing: 0.03em;
  color: var(--casebook-ink-muted, var(--casebook-ink-faint));
  white-space: nowrap;
}

.hub-toolbar__clear {
  background: none;
  border: none;
  padding: 0.35rem 0.5rem;
  min-height: 36px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--casebook-accent);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hub-toolbar__clear:hover {
  color: var(--casebook-ink);
}

.hub-toolbar__clear:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.hub-toolbar__footer {
  padding-top: 0.75rem;
  border-top: 1px solid color-mix(in srgb, var(--casebook-border) 80%, transparent);
}

.hub-toolbar__footer[hidden] {
  display: none !important;
}

.hub-toolbar__upcoming {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.6rem 0.875rem;
  min-height: 44px;
  background: transparent;
  border: 1px dashed color-mix(in srgb, var(--casebook-border) 90%, var(--casebook-accent));
  border-radius: 8px;
  color: var(--casebook-ink-muted, var(--casebook-ink-faint));
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease, background-color 120ms ease;
}

.hub-toolbar__upcoming:hover {
  border-color: var(--casebook-accent);
  color: var(--casebook-ink);
  background: color-mix(in srgb, var(--casebook-accent) 6%, transparent);
}

.hub-toolbar__upcoming:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.hub-toolbar__upcoming-count {
  font-family: var(--mono, monospace);
  font-size: 0.75rem;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--casebook-ink) 8%, transparent);
  color: var(--casebook-ink-muted);
}

.hub-toolbar__upcoming-count[hidden] {
  display: none !important;
}

/* Legacy alias (library may still use) */
.hub-content-type-nav {
  display: inline-flex;
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  overflow: hidden;
  margin-block: 1.25rem 0;
  width: fit-content;
}

.hub-content-type-nav .seg-btn {
  border-right: 1px solid var(--casebook-border);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.hub-content-type-nav .seg-btn:last-child {
  border-right: none;
}

/* ── Hub catalog (grid + empty, mutually exclusive) ─────────────────────── */

.hub-catalog {
  margin-block-start: 0.25rem;
}

.hub-catalog--empty .casebook-hub__grid {
  display: none;
}

.hub-catalog .casebook-hub__grid[hidden] {
  display: none !important;
}

.seg-btn__count {
  font-size: 0.72rem;
  opacity: 0.8;
  background: rgba(255,255,255,0.2);
  padding: 0.1rem 0.3rem;
  border-radius: 3px;
}

.seg-btn--active .seg-btn__count {
  background: rgba(255,255,255,0.25);
}

/* ── Filter bar ─────────────────────────────────────────────────────────── */

.hub-filter-bar {
  margin-block: 1.25rem 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hub-filter-bar__primary {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hub-filter-bar__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
}

.hub-filter-bar__row--selects {
  gap: 0.5rem;
}

/* Mobile toggle (hidden on desktop) */
.hub-filter-toggle {
  display: none;
  align-items: center;
  gap: 0.375rem;
  padding: 0.6rem 1rem;
  min-height: 44px;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 120ms ease;
}

.hub-filter-toggle:hover {
  background: var(--casebook-surface-2, var(--casebook-surface));
}

.hub-filter-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 1.25rem;
  height: 1.25rem;
  padding-inline: 0.25rem;
  background: var(--casebook-accent);
  color: #fff;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
}

/* ── Segmented control ──────────────────────────────────────────────────── */

.segmented-control {
  display: inline-flex;
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  overflow: hidden;
}

.seg-btn {
  padding: 0.45rem 0.875rem;
  min-height: 36px;
  background: transparent;
  border: none;
  border-right: 1px solid var(--casebook-border);
  color: var(--casebook-ink-muted, var(--casebook-ink));
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 100ms ease, color 100ms ease;
}

.seg-btn:last-child {
  border-right: none;
}

.seg-btn:hover {
  background: var(--casebook-surface);
  color: var(--casebook-ink);
}

.seg-btn--active,
.seg-btn[aria-pressed="true"] {
  background: var(--casebook-accent);
  color: #fff;
}

.seg-btn:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: -2px;
  z-index: 1;
}

/* ── Category chip group ─────────────────────────────────────────────────── */

.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.35rem 0.75rem;
  min-height: 36px;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 999px;
  color: var(--casebook-ink-muted, var(--casebook-ink));
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 100ms ease, border-color 100ms ease, color 100ms ease;
}

.chip:hover {
  border-color: var(--casebook-accent);
  color: var(--casebook-ink);
}

.chip--active,
.chip[aria-pressed="true"] {
  background: var(--casebook-accent);
  border-color: var(--casebook-accent);
  color: #fff;
}

.chip__count {
  font-size: 0.7rem;
  opacity: 0.75;
}

.chip--active .chip__count,
.chip[aria-pressed="true"] .chip__count {
  opacity: 1;
}

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

/* ── Hub select ──────────────────────────────────────────────────────────── */

.hub-select {
  padding: 0.45rem 2rem 0.45rem 0.75rem;
  min-height: 36px;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink);
  font-size: 0.85rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
  cursor: pointer;
}

.hub-select:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

/* ── Combobox ────────────────────────────────────────────────────────────── */

.combobox-wrapper {
  position: relative;
}

.combobox-input {
  padding: 0.45rem 0.75rem;
  min-height: 36px;
  min-width: 160px;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink);
  font-size: 0.85rem;
}

.combobox-input::placeholder {
  color: var(--casebook-ink-faint, var(--casebook-ink-muted));
}

.combobox-input:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.combobox-listbox {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  min-width: 220px;
  max-height: 240px;
  overflow-y: auto;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12);
  list-style: none;
  margin: 0;
  padding: 0.25rem 0;
  z-index: 100;
}

.combobox-option {
  padding: 0.5rem 0.875rem;
  font-size: 0.85rem;
  color: var(--casebook-ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.combobox-option:hover,
.combobox-option[aria-selected="true"] {
  background: var(--casebook-accent);
  color: #fff;
}

.combobox-option__count {
  font-size: 0.75rem;
  opacity: 0.7;
}

/* ── Active filters row ──────────────────────────────────────────────────── */

.hub-active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.375rem;
  min-height: 28px;
  font-size: 0.82rem;
  color: var(--casebook-ink-muted, var(--casebook-ink));
}

.hub-result-count strong {
  color: var(--casebook-ink);
}

.hub-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.hub-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.2rem 0.5rem;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--casebook-ink);
}

.hub-filter-pill__remove {
  background: none;
  border: none;
  color: var(--casebook-ink-muted);
  padding: 0;
  cursor: pointer;
  font-size: 0.9rem;
  line-height: 1;
  min-width: 20px;
  min-height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hub-filter-pill__remove:hover {
  color: var(--casebook-ink);
}

.hub-clear-all {
  background: none;
  border: none;
  color: var(--casebook-accent);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  text-decoration: underline;
  min-height: 28px;
}

/* ── Mobile filter sheet ─────────────────────────────────────────────────── */

.filter-sheet {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 400;
  background: var(--casebook-surface);
  border-top: 1px solid var(--casebook-border);
  border-radius: 12px 12px 0 0;
  max-height: 85vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 240ms ease;
}

.filter-sheet[aria-hidden="false"],
.filter-sheet.is-open {
  transform: translateY(0);
}

.filter-sheet__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 399;
  opacity: 0;
  transition: opacity 240ms ease;
  pointer-events: none;
}

.filter-sheet__overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.filter-sheet__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem 0.75rem;
  border-bottom: 1px solid var(--casebook-border);
}

.filter-sheet__title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--casebook-ink);
  margin: 0;
}

.filter-sheet__close {
  background: none;
  border: none;
  color: var(--casebook-ink-muted);
  cursor: pointer;
  padding: 0.25rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filter-sheet__close:hover {
  color: var(--casebook-ink);
}

.filter-sheet__close:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
  border-radius: 4px;
}

.filter-sheet__body {
  padding: 1rem 1.25rem;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.filter-sheet__section {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.filter-sheet__label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--casebook-ink-muted);
}

.filter-sheet__footer {
  display: flex;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  padding-bottom: max(0.75rem, env(safe-area-inset-bottom));
  border-top: 1px solid var(--casebook-border);
}

.filter-sheet__clear {
  flex: 1;
  padding: 0.65rem;
  min-height: 44px;
  background: transparent;
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink);
  font-size: 0.9rem;
  cursor: pointer;
}

.filter-sheet__apply {
  flex: 2;
  padding: 0.65rem;
  min-height: 44px;
  background: var(--casebook-accent);
  border: none;
  border-radius: 6px;
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
}

/* ── Zero result state ───────────────────────────────────────────────────── */

#hub-grid-empty.hub-empty,
.hub-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 3rem 1rem;
  text-align: center;
  color: var(--casebook-ink-muted);
}

#hub-grid-empty.hub-empty[hidden],
.hub-empty[hidden] {
  display: none !important;
}

.hub-empty p,
.hub-empty__msg {
  margin-block-end: 0;
}

/* ── Pagination ──────────────────────────────────────────────────────────── */

.lib-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding-block: 1.5rem;
}

.lib-pagination__btn {
  padding: 0.5rem 1rem;
  min-height: 40px;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink);
  font-size: 0.875rem;
  cursor: pointer;
  transition: background-color 120ms ease;
}

.lib-pagination__btn:hover:not(:disabled) {
  background: var(--casebook-surface-2, var(--casebook-surface));
}

.lib-pagination__btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.lib-pagination__btn:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.lib-pagination__info {
  font-size: 0.85rem;
  color: var(--casebook-ink-muted);
}

/* ── Reading card ────────────────────────────────────────────────────────── */

.reading-card {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 8px;
  height: 100%;
  box-sizing: border-box;
  transition: border-color 120ms ease, box-shadow 120ms ease;
}

.reading-card:hover {
  border-color: var(--casebook-accent);
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.reading-card__header {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

.reading-card__company-chip {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: var(--casebook-bg, #fff);
  border: 1px solid var(--casebook-border);
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--casebook-ink);
  white-space: nowrap;
}

.reading-card__year-chip {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  background: transparent;
  font-size: 0.72rem;
  color: var(--casebook-ink-muted, var(--casebook-ink));
}

.reading-card__cat-chip {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  background: color-mix(in srgb, var(--casebook-accent) 12%, transparent);
  border-radius: 4px;
  font-size: 0.68rem;
  color: var(--casebook-accent);
  text-transform: capitalize;
}

.reading-card__title {
  font-size: 0.925rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
  flex: 1;
}

.reading-card__link {
  color: var(--casebook-ink);
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
}

.reading-card__link:hover {
  color: var(--casebook-accent);
  text-decoration: underline;
}

.reading-card__link:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

.reading-card__external-icon {
  flex-shrink: 0;
  opacity: 0.55;
  position: relative;
  top: -2px;
}

.reading-card__ours {
  font-size: 0.78rem;
  margin: 0;
}

.reading-card__ours--coming {
  color: var(--casebook-ink-muted);
  font-style: italic;
}

.reading-card__ours--linked a {
  color: var(--casebook-accent);
  text-decoration: none;
}

.reading-card__ours--linked a:hover {
  text-decoration: underline;
}

.reading-card__footer {
  margin-top: auto;
  padding-top: 0.375rem;
  border-top: 1px solid var(--casebook-border);
}

.reading-card__fcs-link {
  font-size: 0.75rem;
  color: var(--casebook-ink-muted);
  text-decoration: none;
}

.reading-card__fcs-link:hover {
  color: var(--casebook-accent);
  text-decoration: underline;
}

/* ── Library grid ────────────────────────────────────────────────────────── */

.casebook-hub__grid--library {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  list-style: none;
  padding: 0;
  margin-block: 1rem 0;
}

.library-grid__item {
  display: flex;
}

.library-grid__item > .reading-card {
  flex: 1;
}

/* ── Attribution ─────────────────────────────────────────────────────────── */

.library-attribution {
  margin-block-start: 2.5rem;
  padding-block-start: 1.25rem;
  border-top: 1px solid var(--casebook-border);
  font-size: 0.8rem;
  color: var(--casebook-ink-muted);
}

.library-attribution a {
  color: var(--casebook-ink-muted);
}

.library-attribution a:hover {
  color: var(--casebook-accent);
}

/* ── Hub filter bar integration (main index.njk) ─────────────────────────── */

.casebook-hub__filter-bar {
  margin-block: 1.25rem 0.5rem;
}

/* ── Pro badge ───────────────────────────────────────────────────────────── */

.case-card__badge--pro {
  background: #8b4fcf;
  color: #fff;
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  font-weight: 600;
}

/* ── Unlock CTA ──────────────────────────────────────────────────────────── */

.unlock-cta {
  margin-block: 2rem;
  padding: 1.5rem;
  background: color-mix(in srgb, #8b4fcf 8%, var(--casebook-surface));
  border: 1px solid color-mix(in srgb, #8b4fcf 25%, var(--casebook-border));
  border-radius: 10px;
}

.unlock-cta__inner {
  display: flex;
  align-items: flex-start;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.unlock-cta__copy {
  flex: 1;
  min-width: 240px;
}

.unlock-cta__headline {
  font-size: 1rem;
  font-weight: 600;
  color: var(--casebook-ink);
  margin: 0 0 0.375rem;
}

.unlock-cta__sub {
  font-size: 0.875rem;
  color: var(--casebook-ink-muted);
  margin: 0;
}

.unlock-cta__actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  flex-shrink: 0;
}

.unlock-cta__btn {
  white-space: nowrap;
  background: #8b4fcf;
  border-color: #8b4fcf;
}

.unlock-cta__btn:hover {
  background: #7a3dbf;
}

.unlock-cta__lifetime {
  font-size: 0.8rem;
  color: var(--casebook-ink-muted);
  text-decoration: none;
}

.unlock-cta__lifetime:hover {
  color: var(--casebook-accent);
}

.unlock-cta__note {
  font-size: 0.75rem;
  color: var(--casebook-ink-muted);
  margin: 0;
}

/* ── Pro preview banner ──────────────────────────────────────────────────── */

.pro-preview-banner {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  background: #8b4fcf;
  color: #fff;
  padding: 0.625rem 1rem;
  padding-bottom: max(0.625rem, env(safe-area-inset-bottom));
}

.pro-preview-banner__inner {
  max-width: 900px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.pro-preview-banner__label {
  font-size: 0.875rem;
  font-weight: 500;
}

.pro-preview-banner__btn {
  background: #fff;
  color: #8b4fcf;
  border: none;
  font-weight: 700;
  padding: 0.4rem 0.875rem;
  font-size: 0.85rem;
  border-radius: 5px;
  text-decoration: none;
  white-space: nowrap;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

.pro-preview-banner__btn:hover {
  background: #f0e8ff;
}

/* ── Companies pages ─────────────────────────────────────────────────────── */

.companies-search {
  margin-block: 1rem 0.75rem;
}

.companies-search__input {
  width: 100%;
  max-width: 360px;
}

.az-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
  margin-block: 0.75rem 1.25rem;
}

.az-nav__link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.875rem;
  height: 1.875rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--casebook-ink-muted);
  border: 1px solid var(--casebook-border);
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 100ms ease, color 100ms ease;
}

.az-nav__link:hover {
  background: var(--casebook-accent);
  border-color: var(--casebook-accent);
  color: #fff;
}

.az-nav__link:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.companies-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-start;
}

.companies-list__letter-divider {
  width: 100%;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--casebook-ink-muted);
  padding-block: 0.5rem 0.125rem;
  border-bottom: 1px solid var(--casebook-border);
  margin-block-end: 0.25rem;
}

.company-card {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.875rem;
  background: var(--casebook-surface);
  border: 1px solid var(--casebook-border);
  border-radius: 6px;
  text-decoration: none;
  transition: border-color 100ms ease, box-shadow 100ms ease;
}

.company-card:hover {
  border-color: var(--casebook-accent);
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.company-card:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.company-card__name {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--casebook-ink);
}

.company-card__count {
  font-size: 0.72rem;
  color: var(--casebook-ink-muted);
}

.casebook-hub__breadcrumb {
  font-size: 0.82rem;
  color: var(--casebook-ink-muted);
  margin-block-end: 0.25rem;
}

.casebook-hub__breadcrumb a {
  color: var(--casebook-ink-muted);
  text-decoration: none;
}

.casebook-hub__breadcrumb a:hover {
  color: var(--casebook-accent);
}

.company-back-nav {
  display: flex;
  gap: 0.75rem;
  margin-block: 2rem 1rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  min-height: 40px;
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 120ms ease, border-color 120ms ease;
}

.btn--primary {
  background: var(--casebook-accent);
  border: 1px solid var(--casebook-accent);
  color: #fff;
}

.btn--primary:hover {
  filter: brightness(1.1);
}

.btn--ghost {
  background: transparent;
  border: 1px solid var(--casebook-border);
  color: var(--casebook-ink);
}

.btn--ghost:hover {
  border-color: var(--casebook-accent);
  color: var(--casebook-accent);
}

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

/* ── Upcoming cases toggle ───────────────────────────────────────────────── */

.hub-upcoming-btn {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  margin-block: 1.5rem 0.5rem;
  padding: 0.55rem 1rem;
  min-height: 40px;
  background: var(--casebook-surface);
  border: 1px dashed var(--casebook-border);
  border-radius: 6px;
  color: var(--casebook-ink-muted);
  font-size: 0.875rem;
  cursor: pointer;
  transition: border-color 120ms ease, color 120ms ease;
}

.hub-upcoming-btn:hover {
  border-color: var(--casebook-accent);
  color: var(--casebook-ink);
}

.hub-upcoming-btn:focus-visible {
  outline: 2px solid var(--casebook-accent);
  outline-offset: 2px;
}

.hub-upcoming-btn__count {
  font-size: 0.8rem;
  opacity: 0.7;
}

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

@media (max-width: 767px) {
  .hub-filter-toggle {
    display: inline-flex;
  }

  .hub-filter-bar__primary {
    display: none;
  }

  .hub-filter-bar__primary.is-mobile-visible {
    display: flex;
  }

  .hub-toolbar__main {
    flex-direction: column;
    align-items: stretch;
  }

  .hub-toolbar__field {
    max-width: none;
  }

  .hub-toolbar__status {
    padding-bottom: 0;
  }

  .casebook-hub__grid--library {
    grid-template-columns: 1fr;
  }

  .chip-group {
    max-height: 2.5rem;
    overflow: hidden;
  }
}

@media (min-width: 768px) {
  .hub-filter-toggle {
    display: none;
  }

  .filter-sheet {
    display: none;
  }
}

/* ── Reduced motion ──────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
  .filter-sheet,
  .filter-sheet__overlay,
  .seg-btn,
  .chip,
  .reading-card {
    transition: none;
  }
}