.filter {
  border: 1px solid var(--rule-2);
  background: var(--paper-3);
  margin: 22px 0 6px;
}
.filter-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 12px 18px;
  gap: 16px;
  flex-wrap: wrap;
}
.filter-toggle {
  background: none; border: none; padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-variation-settings: "opsz" 36, "SOFT" 80;
  font-size: 22px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.filter-icon {
  color: var(--stamp);
  font-size: 13px;
  transition: transform 0.2s;
  display: inline-block;
}
.filter[data-open="true"] .filter-icon { transform: rotate(180deg); }
.filter-count {
  font-family: "JetBrains Mono", monospace;
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  letter-spacing: 0;
  padding: 2px 7px;
  border: 1px solid var(--rule-2);
}
.filter-actions {
  display: inline-flex;
  gap: 14px;
  align-items: baseline;
  font-size: 12px;
}
.filter-link {
  background: none; border: none; padding: 0;
  font-family: "Fraunces", serif;
  font-style: italic;
  font-variation-settings: "opsz" 14, "SOFT" 80;
  font-size: 14px;
  color: var(--ink-3);
  cursor: pointer;
  text-decoration: underline dotted var(--rule-2);
  text-underline-offset: 4px;
}
.filter-link:hover { color: var(--stamp); text-decoration-color: var(--stamp); }
.filter-chips {
  padding: 14px 16px 18px;
  border-top: 1px solid var(--rule-2);
  max-height: 360px;
  overflow-y: auto;
}
.filter[data-open="false"] .filter-chips { display: none; }
.filter-group + .filter-group {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--rule-2);
}
.filter-group-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.filter-group-name {
  font-family: "Fraunces", serif;
  font-style: italic;
  font-variation-settings: "opsz" 24, "SOFT" 80;
  font-size: 19px;
  color: var(--ink);
  letter-spacing: -0.005em;
}
.filter-group-count {
  font-family: "JetBrains Mono", monospace;
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 0;
  padding: 1px 6px;
  border: 1px solid var(--rule-2);
}
.filter-group-head .filter-link { font-size: 12px; }
.filter-group-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}
.filter-chip {
  font-family: "JetBrains Mono", monospace;
  font-size: 11px;
  padding: 5px 9px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--rule-2);
  border-radius: 0;
  cursor: pointer;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
  font-weight: 500;
  letter-spacing: -0.005em;
  white-space: nowrap;
}
.filter-chip:hover {
  color: var(--ink);
  border-color: var(--ink-3);
  background: rgba(255,250,230,0.5);
}
.filter-chip.active {
  background: var(--ink);
  color: var(--paper);
  border-color: var(--ink);
}
.filter-chip.active:hover { background: var(--ink-2); border-color: var(--ink-2); }

.empty-state {
  padding: 56px 24px;
  text-align: center;
  color: var(--muted);
  font-family: "Fraunces", serif;
  font-style: italic;
  font-size: 18px;
  font-variation-settings: "opsz" 24, "SOFT" 80;
}
.empty-state a {
  color: var(--stamp);
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}