/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ─── Design tokens ─── */
:root {
  --bg:        #f8f5f0;
  --surface:   #ffffff;
  --surface-2: #f3ede6;
  --border:    #e5dcd2;
  --border-2:  #cfc4b8;

  --shadow-xs: 0 1px 2px rgba(100, 65, 30, 0.06);
  --shadow-sm: 0 2px 8px rgba(100, 65, 30, 0.08);
  --shadow-md: 0 8px 28px rgba(100, 65, 30, 0.10);

  --accent:    #e07340;
  --accent-dk: #c85e2e;
  --accent-lt: #fef1e8;
  --accent-fg: #ffffff;

  --text:      #1c1310;
  --text-2:    #5c4d42;
  --text-3:    #9c8d82;

  --r-sm:   0.375rem;
  --r:      0.75rem;
  --r-lg:   1.25rem;
  --r-pill: 999px;
}

/* ─── Base ─── */
html { color-scheme: light; }

body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.55;
  min-height: 100dvh;
}

/* ─── Header ─── */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 1.5rem;
  height: 58px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 0.625rem; }

.app-icon {
  font-size: 1.25rem;
  line-height: 1;
}

.app-title-link { text-decoration: none; }
.app-title { font-size: 1.05rem; font-weight: 700; color: var(--accent); letter-spacing: -0.01em; }
.header-tagline { display: none; }

.header-nav { display: flex; gap: 0.25rem; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
  text-decoration: none;
  padding: 0.375rem 0.875rem;
  border-radius: var(--r-pill);
  transition: background 0.15s, color 0.15s;
}
.nav-link:hover { background: var(--accent-lt); color: var(--accent); }

/* ─── Layout ─── */
.app-main {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ─── Typography ─── */
h1 {
  font-size: clamp(1.4rem, 3vw, 1.875rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text);
}
h2 { font-size: 1.0625rem; font-weight: 600; color: var(--text); }
h3 { font-size: 0.9375rem; font-weight: 600; color: var(--text); }

/* ─── Buttons ─── */
.primary-btn,
.secondary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: var(--r-pill);
  padding: 0.5rem 1.125rem;
  transition: all 0.15s;
  white-space: nowrap;
  font-family: inherit;
}

.primary-btn {
  background: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 1px 2px rgba(100,65,30,0.1), 0 4px 10px rgba(224,115,64,0.25);
}
.primary-btn:hover {
  background: var(--accent-dk);
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(100,65,30,0.12), 0 6px 16px rgba(224,115,64,0.3);
}
.primary-btn:disabled { opacity: 0.5; cursor: default; transform: none; }

.secondary-btn {
  background: var(--surface);
  color: var(--text-2);
  border: 1.5px solid var(--border-2);
}
.secondary-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-lt);
  transform: translateY(-1px);
}

.small-btn { padding: 0.3rem 0.75rem; font-size: 0.8rem; }

.link-btn { background: none; border: none; padding: 0; cursor: pointer; color: inherit; font-family: inherit; }
.small-link { font-size: 0.75rem; font-weight: 500; color: var(--accent); text-decoration: none; transition: opacity 0.15s; }
.small-link:hover { opacity: 0.7; }

/* ─── Page header ─── */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

/* ─── Cards ─── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--shadow-sm);
}
.card + .card { margin-top: 1rem; }

.card-list { display: flex; flex-direction: column; gap: 0.875rem; }

.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover h2 { color: var(--accent); }

.trip-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}
.trip-card-body { flex: 1; min-width: 0; }
.trip-card-body h2 { font-size: 1.0625rem; margin-bottom: 0.375rem; transition: color 0.15s; }
.trip-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}
.trip-meta-chip {
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 0.175rem 0.625rem;
  color: var(--text-2);
}

.card-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.875rem;
}

/* ─── Traveler list ─── */
.traveler-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.traveler-list li {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 0.3rem 0.75rem 0.3rem 0.5rem;
  font-size: 0.875rem;
}
.traveler-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  background: var(--accent-lt);
  color: var(--accent);
  border-radius: var(--r-pill);
  padding: 0.1rem 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ─── Add visitor form ─── */
.add-visitor-form {
  margin-top: 1.125rem;
  padding: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
}
.add-visitor-form h3 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.field-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  align-items: start;
}

/* ─── Tabs ─── */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  padding: 0.25rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  width: fit-content;
  box-shadow: var(--shadow-xs);
  overflow-x: auto;
}
.tab-button {
  border: none;
  background: transparent;
  padding: 0.4375rem 1.125rem;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--r-pill);
  color: var(--text-2);
  transition: all 0.15s;
  white-space: nowrap;
  font-family: inherit;
}
.tab-button.active {
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(100,65,30,0.1), 0 3px 8px rgba(224,115,64,0.25);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ─── Forms ─── */
.field-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-2);
}
.field-label + .field-label { margin-top: 0.875rem; }
.field-grid .field-label + .field-label { margin-top: 0; }

.field-label input,
.field-label textarea,
.field-label select {
  display: block;
  width: 100%;
  margin-top: 0.375rem;
  padding: 0.625rem 0.75rem;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  font-size: 0.9375rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s, box-shadow 0.15s;
  -webkit-appearance: none;
  appearance: none;
}
.field-label input:focus,
.field-label textarea:focus,
.field-label select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(224, 115, 64, 0.15);
}
.field-label textarea { resize: vertical; }

.field-group { margin-top: 1rem; }
.field-group > p.field-label { margin-bottom: 0.125rem; }

/* ─── Weather forecast card (wizard) ─── */
.forecast-card {
  margin-bottom: 1rem;
  padding: 1rem;
  background: #f0f7ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--r);
  font-size: 0.875rem;
}
.forecast-card.forecast-note {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text-2);
}
.forecast-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.625rem;
}
.forecast-location { font-weight: 600; color: var(--text); }
.forecast-suggestion { color: var(--text-2); font-size: 0.8125rem; }
.forecast-summary {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
  color: var(--text-2);
}
.forecast-stat strong { color: var(--text); }
.forecast-days {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}
.forecast-day {
  background: rgba(255,255,255,0.7);
  border: 1px solid #bfdbfe;
  border-radius: var(--r-sm);
  padding: 0.3rem 0.5rem;
  text-align: center;
  min-width: 52px;
}
.forecast-day-date { font-size: 0.6875rem; color: var(--text-3); font-weight: 600; }
.forecast-day-temp { font-size: 0.75rem; font-weight: 600; color: var(--text); }
.forecast-day-precip { font-size: 0.6875rem; color: #3b82f6; }

/* ─── Chips ─── */
.chip-group { display: flex; flex-wrap: wrap; gap: 0.4375rem; margin-top: 0.5rem; }
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.375rem 0.875rem;
  border-radius: var(--r-pill);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  background: var(--surface);
  border: 1.5px solid var(--border-2);
  color: var(--text-2);
  transition: all 0.15s;
  font-family: inherit;
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-lt); }
.chip input { display: none; }
.chip:has(input:checked) {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-fg);
  box-shadow: 0 2px 8px rgba(224, 115, 64, 0.25);
}

/* ─── Wizard ─── */
.wizard-container { max-width: 640px; margin: 0 auto; }
.wizard-header { margin-bottom: 1.5rem; }

.wizard-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.875rem;
}
.wizard-step-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-3);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  padding: 0.2rem 0.75rem;
}

.wizard-progress-bar {
  height: 5px;
  border-radius: var(--r-pill);
  background: var(--surface-2);
  overflow: hidden;
}
.wizard-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #f5a070);
  border-radius: var(--r-pill);
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.wizard-form {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-md);
}

.wizard-section + .wizard-section {
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1.25rem;
}
.wizard-section h2 { margin-bottom: 0.25rem; }
.wizard-section > p { font-size: 0.875rem; color: var(--text-2); margin-bottom: 0.25rem; }

.wizard-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1.5rem;
  gap: 0.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}

/* ─── Visitor panel (wizard) ─── */
.visitor-panel {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
}
.visitor-panel h3 {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}
.hint-text { font-size: 0.8125rem; color: var(--text-3); margin-top: 0.5rem; }

/* ─── Divider ─── */
.section-divider {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 1.25rem 0;
}

/* ─── Checklist ─── */
.checklist-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}
.hide-completed-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-2);
  cursor: pointer;
}
.hide-completed-toggle input { accent-color: var(--accent); }

.quick-add-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.125rem;
  padding: 0.875rem 1rem;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r);
  align-items: flex-end;
}
.quick-add-form input[type="text"],
.quick-add-form input[type="number"],
.quick-add-form select {
  padding: 0.45rem 0.625rem;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s;
}
.quick-add-form input[type="text"]:focus,
.quick-add-form input[type="number"]:focus,
.quick-add-form select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(224, 115, 64, 0.12);
}

.checklist-section { margin-top: 0.5rem; }

.person-group { margin-bottom: 1.375rem; }
.person-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-3);
  margin-bottom: 0.625rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--border);
}

.category-group {
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  margin-bottom: 0.625rem;
}
.category-title {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  padding: 0.4rem 0.875rem;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  margin: 0;
}

.checklist-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.875rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.checklist-item:last-child { border-bottom: none; }
.checklist-item:hover { background: #fdfaf7; }

.checklist-label {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  cursor: pointer;
  flex: 1;
  min-width: 0;
}
.checklist-label input[type="checkbox"] {
  width: 1.0625rem;
  height: 1.0625rem;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.item-main { display: flex; flex-direction: column; min-width: 0; }
.item-name { font-size: 0.9375rem; color: var(--text); }
.item-meta { font-size: 0.8125rem; color: var(--text-3); }

.item-actions {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-shrink: 0;
}

/* Completed */
.completed-items { margin-top: 1rem; }
.completed-items.hidden { display: none; }
.completed-empty { font-size: 0.875rem; color: var(--text-3); padding: 0.5rem 0; }

.checklist-item.completed .item-name,
.checklist-item.completed .item-meta {
  text-decoration: line-through;
  color: var(--text-3);
}

/* Edit panel */
.edit-item-panel {
  margin-bottom: 1rem;
  padding: 1rem 1.25rem;
  border-radius: var(--r);
  background: var(--accent-lt);
  border: 1.5px solid rgba(224, 115, 64, 0.2);
}
.edit-item-panel h3 { margin-bottom: 0.75rem; color: var(--accent); }
.edit-panel-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.875rem;
}

/* ─── Travel info ─── */
.info-pre {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: 0.5rem 0.75rem;
  white-space: pre-wrap;
  font-size: 0.875rem;
}

/* ─── Simple list ─── */
.simple-list { list-style: none; display: flex; flex-direction: column; gap: 0.3rem; }
.simple-list li { font-size: 0.9375rem; color: var(--text-2); }

/* ─── Library two-panel layout ─── */
.library-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 1.5rem;
  align-items: start;
}
.library-sidebar {
  position: sticky;
  top: 72px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 0.75rem 0;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.sidebar-section-label {
  padding: 0 1rem 0.375rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
}
.category-nav { display: flex; flex-direction: column; }
.category-nav-row { display: flex; align-items: center; }
.category-nav-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.4375rem 1rem;
  font-size: 0.875rem;
  color: var(--text-2);
  text-decoration: none;
  border-left: 2px solid transparent;
  flex: 1;
  transition: background 0.1s, color 0.1s;
}
.category-nav-link:hover { background: var(--surface-2); color: var(--text); }
.category-nav-link.active {
  background: var(--accent-lt);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.cat-count {
  font-size: 0.75rem;
  color: var(--text-3);
  background: var(--surface-2);
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  min-width: 20px;
  text-align: center;
}
.category-nav-link.active .cat-count {
  background: rgba(224,115,64,0.15);
  color: var(--accent);
}
.sidebar-rename { padding: 0 0.75rem 0.75rem; }
.rename-form { display: flex; flex-direction: column; gap: 0.375rem; margin-top: 0.375rem; }
.rename-form .secondary-btn { align-self: flex-start; }
.rename-input {
  width: 100%;
  padding: 0.3125rem 0.5rem;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  font-size: 0.8125rem;
  font-family: inherit;
  background: var(--surface);
}

/* ─── Library content ─── */
.library-content { min-width: 0; }
.library-cat-heading {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 0.875rem;
}
.library-item-list { display: flex; flex-direction: column; gap: 0.375rem; }
.library-item-card {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.625rem 0.875rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r);
  transition: border-color 0.15s;
}
.library-item-card:hover { border-color: var(--border-2); }
.library-item-card.dragging { opacity: 0.4; border-style: dashed; }
.library-item-card.drag-over { border-color: var(--accent); background: var(--accent-lt); }
.drag-handle {
  font-size: 1.125rem;
  color: var(--text-3);
  cursor: grab;
  padding: 0 0.25rem;
  flex-shrink: 0;
  user-select: none;
  align-self: center;
}
.drag-handle:active { cursor: grabbing; }
.library-item-main { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; min-width: 0; }
.library-item-info { display: flex; align-items: baseline; gap: 0.5rem; flex-wrap: wrap; }
.lib-cat-badge {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-3);
  background: var(--surface-2);
  padding: 0.1rem 0.4rem;
  border-radius: 0.25rem;
  white-space: nowrap;
}
.lib-item-name { font-size: 0.9375rem; font-weight: 600; color: var(--text); }
.lib-item-meta { font-size: 0.8125rem; color: var(--text-3); }
.library-item-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}
.rule-pill {
  font-size: 0.6875rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: #e0f2fe;
  color: #0369a1;
  white-space: nowrap;
}
.rule-pill.cond {
  background: #fef9c3;
  color: #854d0e;
}
.rule-pill.person-pill {
  background: #f0fdf4;
  color: #166534;
}
.tag-pill {
  font-size: 0.6875rem;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--text-3);
  white-space: nowrap;
}
.library-item-actions {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  flex-shrink: 0;
}
.danger-link { color: #dc2626 !important; }
.danger-link:hover { color: #b91c1c !important; }

@media (max-width: 768px) {
  .library-layout { grid-template-columns: 1fr; }
  .library-sidebar { position: static; max-height: none; }
  .category-nav { flex-direction: row; flex-wrap: wrap; gap: 0.25rem; padding: 0 0.75rem; }
  .category-nav-link { border-left: none; border-radius: var(--r-pill); padding: 0.25rem 0.625rem; border: 1.5px solid var(--border); }
  .category-nav-link.active { border-color: var(--accent); }
}

/* ─── Legacy library table (kept for fallback) ─── */
.library-table-wrapper { overflow-x: auto; }
.library-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.library-table th,
.library-table td { padding: 0.4375rem 0.625rem; border-bottom: 1px solid var(--border); vertical-align: top; }
.library-table th {
  text-align: left;
  background: var(--surface-2);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-2);
  position: sticky;
  top: 0;
}
.rule-json {
  margin: 0;
  white-space: pre-wrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 0.8125rem;
}

/* ─── Person filter chips ─── */
.person-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin: 0.75rem 0 1rem;
}
.filter-chip {
  padding: 0.3125rem 0.875rem;
  border-radius: 999px;
  border: 1.5px solid var(--border-2);
  background: var(--surface);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-2);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.filter-chip.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.filter-chip:hover:not(.active) {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── Collapsible category groups ─── */
.category-collapse-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: none;
  padding: 0.25rem 0;
  cursor: pointer;
  text-align: left;
}
.category-collapse-btn .category-title {
  margin: 0;
}
.collapse-icon {
  font-size: 0.75rem;
  color: var(--text-3);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.category-items {
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.category-items.collapsed {
  max-height: 0 !important;
}

/* ─── Traveler list with inline edit ─── */
.traveler-list-item {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  padding: 0.375rem 0;
  border-bottom: 1px solid var(--border);
}
.traveler-list-item:last-child { border-bottom: none; }
.traveler-edit-form {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  width: 100%;
  margin-top: 0.375rem;
}
.traveler-edit-form input[type="text"],
.traveler-edit-form select {
  padding: 0.3125rem 0.5rem;
  border: 1.5px solid var(--border-2);
  border-radius: var(--r-sm);
  font-size: 0.875rem;
  font-family: inherit;
  background: var(--surface);
}
.hidden { display: none !important; }

/* ─── Responsive ─── */
@media (max-width: 640px) {
  .app-main { padding: 1.25rem 1rem; }
  .field-grid { grid-template-columns: 1fr; }
  .tabs { max-width: 100%; }
  .quick-add-form { flex-direction: column; }
  .quick-add-form input[type="text"],
  .quick-add-form input[type="number"],
  .quick-add-form select { width: 100%; }
}