/* ═══════════════════════════════════════════════════════════
   ANFS — Agriculture Novel Faceted Search
   Dark editorial aesthetic / Apple-adjacent precision
   ═══════════════════════════════════════════════════════════ */

:root {
  --anfs-bg:          #0a0a0a;
  --anfs-surface:     #141414;
  --anfs-border:      rgba(255,255,255,0.08);
  --anfs-text:        #f0f0f0;
  --anfs-muted:       #666;
  --anfs-accent:      #3ddc84;    /* AN brand green */
  --anfs-accent-dim:  rgba(61,220,132,0.12);
  --anfs-blue:        #0a84ff;
  --anfs-pill-bg:     rgba(255,255,255,0.06);
  --anfs-pill-hover:  rgba(255,255,255,0.12);
  --anfs-radius:      12px;
  --anfs-transition:  .18s cubic-bezier(.4,0,.2,1);
  --anfs-font:        -apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Segoe UI', sans-serif;
}

/* ── Wrapper ── */
.anfs-root {
  font-family: var(--anfs-font);
  color: var(--anfs-text);
  max-width: 780px;
  margin: 0 auto;
  position: relative;
}

/* ── Search bar ── */
.anfs-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--anfs-surface);
  border: 1px solid var(--anfs-border);
  border-radius: var(--anfs-radius);
  padding: 0 16px;
  transition: border-color var(--anfs-transition), box-shadow var(--anfs-transition);
}
.anfs-bar:focus-within {
  border-color: var(--anfs-accent);
  box-shadow: 0 0 0 3px var(--anfs-accent-dim);
}
.anfs-icon-search {
  color: var(--anfs-muted);
  flex-shrink: 0;
  display: flex;
}
.anfs-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  color: var(--anfs-text);
  font-size: 16px;
  line-height: 1;
  padding: 16px 0;
  caret-color: var(--anfs-accent);
}
.anfs-input::placeholder { color: var(--anfs-muted); }
.anfs-input::-webkit-search-cancel-button { -webkit-appearance: none; }

.anfs-clear {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--anfs-muted);
  padding: 4px;
  display: flex;
  align-items: center;
  transition: color var(--anfs-transition);
}
.anfs-clear:hover { color: var(--anfs-text); }

.anfs-spinner {
  width: 16px; height: 16px;
  border: 2px solid rgba(61,220,132,0.2);
  border-top-color: var(--anfs-accent);
  border-radius: 50%;
  animation: anfs-spin .7s linear infinite;
  flex-shrink: 0;
}
@keyframes anfs-spin { to { transform: rotate(360deg); } }

/* ── Autocomplete dropdown ── */
.anfs-autocomplete {
  position: absolute;
  top: calc(100% + 6px);
  left: 0; right: 0;
  background: var(--anfs-surface);
  border: 1px solid var(--anfs-border);
  border-radius: var(--anfs-radius);
  overflow: hidden;
  z-index: 999;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  animation: anfs-drop .15s ease;
}
@keyframes anfs-drop {
  from { opacity:0; transform:translateY(-6px); }
  to   { opacity:1; transform:translateY(0); }
}
.anfs-ac-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--anfs-transition);
}
.anfs-ac-item:hover,
.anfs-ac-item.is-active { background: var(--anfs-accent-dim); }
.anfs-ac-icon { color: var(--anfs-muted); flex-shrink:0; }

/* ── Trending pills ── */
.anfs-trending {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
}
.anfs-trend-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--anfs-muted);
  margin-right: 4px;
}
.anfs-trend-pill {
  background: var(--anfs-pill-bg);
  border: 1px solid var(--anfs-border);
  border-radius: 20px;
  color: var(--anfs-text);
  font-size: 12px;
  padding: 5px 13px;
  cursor: pointer;
  transition: background var(--anfs-transition), border-color var(--anfs-transition);
}
.anfs-trend-pill:hover {
  background: var(--anfs-pill-hover);
  border-color: var(--anfs-accent);
  color: var(--anfs-accent);
}

/* ── Filters ── */
.anfs-filters {
  background: var(--anfs-surface);
  border: 1px solid var(--anfs-border);
  border-radius: var(--anfs-radius);
  padding: 16px 20px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  animation: anfs-drop .15s ease;
}
.anfs-filter-group {}
.anfs-filter-label {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--anfs-muted);
  margin-bottom: 8px;
}
.anfs-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.anfs-fpill {
  background: var(--anfs-pill-bg);
  border: 1px solid var(--anfs-border);
  border-radius: 20px;
  color: var(--anfs-text);
  font-size: 12px;
  padding: 5px 13px;
  cursor: pointer;
  transition: all var(--anfs-transition);
}
.anfs-fpill:hover { background: var(--anfs-pill-hover); }
.anfs-fpill.is-active {
  background: var(--anfs-accent-dim);
  border-color: var(--anfs-accent);
  color: var(--anfs-accent);
}

.anfs-filter-row-right {
  display: flex;
  align-items: center;
  gap: 10px;
  justify-content: flex-end;
}
.anfs-sort-select {
  background: var(--anfs-pill-bg);
  border: 1px solid var(--anfs-border);
  border-radius: 8px;
  color: var(--anfs-text);
  font-size: 13px;
  padding: 6px 10px;
  cursor: pointer;
  outline: none;
}
.anfs-sort-select:focus { border-color: var(--anfs-accent); }
.anfs-clear-filters {
  background: none;
  border: none;
  color: var(--anfs-muted);
  font-size: 12px;
  cursor: pointer;
  text-decoration: underline;
  transition: color var(--anfs-transition);
}
.anfs-clear-filters:hover { color: var(--anfs-text); }

/* ── Results meta bar ── */
.anfs-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 20px;
  font-size: 13px;
  color: var(--anfs-muted);
}
.anfs-meta-count { }
.anfs-meta-time  { font-variant-numeric: tabular-nums; }

/* ── Result cards ── */
.anfs-results {
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.anfs-card {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: start;
  background: var(--anfs-surface);
  border: 1px solid var(--anfs-border);
  border-radius: var(--anfs-radius);
  padding: 18px 20px;
  text-decoration: none;
  color: inherit;
  transition: border-color var(--anfs-transition), background var(--anfs-transition);
  animation: anfs-fadein .25s ease both;
}
.anfs-card:hover {
  border-color: rgba(61,220,132,0.3);
  background: rgba(61,220,132,0.03);
}
@keyframes anfs-fadein {
  from { opacity:0; transform:translateY(8px); }
  to   { opacity:1; transform:translateY(0); }
}
/* stagger delay per card (JS sets --i) */
.anfs-card { animation-delay: calc(var(--i, 0) * 50ms); }

.anfs-card-body { min-width: 0; }

.anfs-card-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.anfs-cat-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--anfs-accent);
  background: var(--anfs-accent-dim);
  border-radius: 4px;
  padding: 2px 7px;
}

.anfs-card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--anfs-text);
  margin: 0 0 7px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.anfs-card-excerpt {
  font-size: 13px;
  color: #999;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0 0 10px;
}
.anfs-card-excerpt mark {
  background: none;
  color: var(--anfs-accent);
  font-weight: 500;
}

.anfs-card-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  color: var(--anfs-muted);
}
.anfs-card-footer svg { vertical-align: -2px; }

.anfs-card-thumb {
  width: 80px;
  height: 64px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  background: var(--anfs-pill-bg);
}

/* ── No results ── */
.anfs-empty {
  text-align: center;
  padding: 48px 0;
  color: var(--anfs-muted);
}
.anfs-empty h3 { font-size: 18px; color: var(--anfs-text); margin-bottom: 8px; }
.anfs-empty p  { font-size: 14px; }

/* ── Pagination ── */
.anfs-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 28px;
  flex-wrap: wrap;
}
.anfs-page-btn {
  min-width: 36px; height: 36px;
  background: var(--anfs-pill-bg);
  border: 1px solid var(--anfs-border);
  border-radius: 8px;
  color: var(--anfs-text);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--anfs-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 10px;
}
.anfs-page-btn:hover { background: var(--anfs-pill-hover); }
.anfs-page-btn.is-current {
  background: var(--anfs-accent-dim);
  border-color: var(--anfs-accent);
  color: var(--anfs-accent);
  font-weight: 600;
}
.anfs-page-btn:disabled {
  opacity: .35;
  cursor: not-allowed;
}

/* ── Loading skeleton ── */
.anfs-skeleton {
  background: linear-gradient(90deg, var(--anfs-surface) 25%, rgba(255,255,255,0.04) 50%, var(--anfs-surface) 75%);
  background-size: 200% 100%;
  animation: anfs-shimmer 1.4s infinite;
  border-radius: 6px;
  height: 14px;
}
@keyframes anfs-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}
.anfs-skeleton-card {
  background: var(--anfs-surface);
  border: 1px solid var(--anfs-border);
  border-radius: var(--anfs-radius);
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

/* ── Responsive ── */
@media (max-width: 600px) {
  .anfs-card { grid-template-columns: 1fr; }
  .anfs-card-thumb { display: none; }
  .anfs-filter-row-right { flex-direction: column; align-items: flex-start; }
}