:root {
  --bg: #f4f5f7;
  --card-bg: #ffffff;
  --border: #e2e4e9;
  --text: #1f2430;
  --text-dim: #6b7280;
  --primary: #2563eb;
  --primary-dim: #eef2ff;
  --danger: #dc2626;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --radius: 12px;
  --gutter: 14px;
  font-family: "Noto Sans Thai", "Sarabun", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

/* ---------- Top bar ---------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 16px var(--gutter) 8px;
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 5;
}

.topbar h1 {
  font-size: 1.2rem;
  margin: 0;
}

.scope-badge {
  font-size: 0.78rem;
  color: var(--primary);
  background: var(--primary-dim);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 600;
}

/* ---------- Filters ---------- */

.filters {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0 var(--gutter) 12px;
  position: sticky;
  top: 44px;
  background: var(--bg);
  z-index: 4;
}

.filters-row1 {
  display: flex;
  gap: 8px;
}

.filters-row1 #searchBox {
  flex: 1 1 auto;
  min-width: 0;
}

.filter-toggle {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.filter-count {
  background: var(--primary);
  color: #fff;
  font-size: 0.7rem;
  border-radius: 999px;
  min-width: 18px;
  height: 18px;
  line-height: 18px;
  text-align: center;
  padding: 0 5px;
}

.chevron {
  width: 7px;
  height: 7px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -4px;
  transition: transform 0.15s;
  flex-shrink: 0;
}

.filters button.filter-toggle.open {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.filter-toggle.open .chevron {
  transform: rotate(-135deg);
  margin-top: 3px;
}

.filter-toggle.open .filter-count {
  background: #fff;
  color: var(--primary);
}

.filter-panel {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px;
}

.filter-panel.open {
  display: flex;
}

.filter-panel select,
.filter-panel button {
  width: 100%;
}

.filters .filter-panel select {
  min-height: 36px;
  padding: 6px 10px;
}

.filter-panel-actions {
  display: flex;
  gap: 8px;
  margin-top: 2px;
}

.filter-panel-actions button {
  flex: 1;
  width: auto;
}

.filters .filter-panel-actions button {
  min-height: 36px;
  padding: 6px 10px;
  font-size: 0.82rem;
}

.filter-panel .checkbox-filter {
  min-height: 32px;
  font-size: 0.82rem;
  gap: 6px;
}

.filter-panel .checkbox-filter input {
  width: 16px;
  height: 16px;
}

.filters button.btn-solid {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.filters button.btn-solid:hover {
  background: #1d4ed8;
}

.filters select,
.filters input[type="search"],
.filters button {
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 16px; /* prevents iOS auto-zoom on focus */
  font-family: inherit;
  color: var(--text);
  min-height: 44px;
}

.filters button {
  cursor: pointer;
  background: #fff;
}

.filters button:hover {
  background: var(--primary-dim);
}

.checkbox-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-dim);
  min-height: 44px;
}

.checkbox-filter input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.result-count {
  font-size: 0.82rem;
  color: var(--text-dim);
}

/* ---------- Friend list (contact-style rows) ---------- */

.list-wrap {
  position: relative;
  padding-right: 22px;
}

.friend-list {
  display: flex;
  flex-direction: column;
  padding: 0 var(--gutter) 20px;
}

.letter-label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  padding: 14px 4px 4px;
}

.friend-row {
  background: none;
  border: none;
  border-bottom: 1px solid var(--border);
  padding: 12px 4px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: background 0.15s;
}

.friend-row:active {
  background: var(--primary-dim);
}

.friend-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.friend-name {
  font-size: 1.05rem;
  font-weight: 700;
}

.friend-location {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.friend-side {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  padding-top: 2px;
}

.pill {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
  white-space: nowrap;
  text-align: right;
}

.pill-role {
  background: var(--primary-dim);
  color: var(--primary);
}

.pill-fa {
  background: #eef0f4;
  color: var(--text-dim);
}

.az-index {
  position: fixed;
  right: 2px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1px;
  z-index: 6;
}

.az-item {
  border: none;
  background: none;
  cursor: pointer;
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-dim);
  padding: 0 4px;
  font-family: inherit;
}

.az-item:hover,
.az-item:active {
  color: var(--primary);
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.badge {
  font-size: 0.72rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: #eef0f4;
  color: var(--text-dim);
}

.badge.badge-warn {
  background: var(--warn-bg);
  color: var(--warn);
}

.badge.badge-note {
  background: #ecfdf5;
  color: #047857;
}

.card-note-preview {
  font-size: 0.78rem;
  color: #047857;
  background: #ecfdf5;
  border-radius: 8px;
  padding: 6px 8px;
  margin-top: 4px;
  white-space: pre-wrap;
}

/* ---------- Notes section ---------- */

.notes-section {
  padding: 8px var(--gutter) 40px;
  border-top: 1px solid var(--border);
  margin-top: 8px;
}

.notes-section h2 {
  font-size: 1.05rem;
}

.notes-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.note-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
}

.note-item-body {
  flex: 1;
}

.note-item-name {
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
}

.note-item-text {
  font-size: 0.85rem;
  color: var(--text-dim);
  white-space: pre-wrap;
  margin-top: 2px;
}

.note-item-time {
  font-size: 0.72rem;
  color: #9ca3af;
  margin-top: 2px;
}

.note-item button {
  align-self: flex-end;
  border: 1px solid #fecaca;
  background: none;
  color: var(--danger);
  cursor: pointer;
  font-size: 0.82rem;
  padding: 6px 12px;
  border-radius: 6px;
  min-height: 36px;
}

.note-item button:hover {
  background: #fee2e2;
}

.empty-state {
  color: var(--text-dim);
  font-size: 0.9rem;
  padding: 20px 0;
}

/* ---------- Detail modal: bottom sheet on mobile ---------- */

dialog#detailModal {
  border: none;
  padding: 0;
  box-shadow: 0 -4px 24px rgba(0,0,0,0.2);
  position: fixed;
  inset: auto 0 0 0;
  margin: 0;
  width: 100%;
  max-width: 100%;
  max-height: 88vh;
  border-radius: 16px 16px 0 0;
  overflow-y: auto;
}

dialog#detailModal::backdrop {
  background: rgba(15, 18, 26, 0.45);
}

.modal-form {
  margin: 0;
  padding: 18px var(--gutter) calc(20px + env(safe-area-inset-bottom));
  position: relative;
}

.modal-close {
  position: absolute;
  top: 8px;
  right: 10px;
  border: none;
  background: none;
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  color: var(--text-dim);
  padding: 8px;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 28px 4px 0;
}

.modal-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 14px;
}

.detail-grid {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 12px;
  font-size: 0.88rem;
  margin-bottom: 16px;
}

.detail-grid dt {
  color: var(--text-dim);
}

.detail-grid dd {
  margin: 0;
  font-weight: 600;
}

.family-section {
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-bottom: 16px;
}

.family-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.family-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.family-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  width: 100%;
  background: #f8f9fb;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  min-height: 44px;
}

.family-item:hover {
  background: var(--primary-dim);
  border-color: var(--primary);
}

.family-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text);
}

.family-role {
  font-size: 0.78rem;
  color: var(--text-dim);
  white-space: nowrap;
}

.note-editor {
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.note-editor label {
  font-size: 0.85rem;
  font-weight: 600;
  display: block;
  margin-bottom: 6px;
}

.note-editor textarea {
  width: 100%;
  min-height: 90px;
  border-radius: 8px;
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-family: inherit;
  font-size: 16px; /* prevents iOS auto-zoom on focus */
  resize: vertical;
}

.note-editor-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.note-editor-actions button {
  flex: 1;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  background: #fff;
  min-height: 44px;
}

.note-editor-actions .btn-save {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.note-editor-actions .btn-delete {
  color: var(--danger);
  border-color: #fecaca;
}

/* ---------- Tablet / desktop enhancements ---------- */

@media (min-width: 641px) {
  :root { --gutter: 24px; }

  .topbar h1 { font-size: 1.4rem; }
  .scope-badge { font-size: 0.85rem; }

  .filters {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
  }

  .filters-row1 { display: contents; }

  #searchBox { flex: 1 1 220px; }

  .filter-toggle { display: none; }

  .filter-panel {
    display: flex !important;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    background: none;
    border: none;
    padding: 0;
    gap: 8px;
    width: auto;
  }

  .filter-panel select,
  .filter-panel button { width: auto; }

  .filter-panel-actions { display: contents; }

  #closeFilterPanel { display: none; }

  .checkbox-filter { white-space: nowrap; }

  .result-count { margin-left: auto; }

  .list-wrap {
    max-width: 720px;
    margin: 0 auto;
  }

  .friend-row:hover {
    background: var(--primary-dim);
  }

  .note-item {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .note-item button { align-self: auto; }

  dialog#detailModal {
    position: fixed;
    inset: 0;
    margin: auto;
    width: min(480px, 92vw);
    max-height: 85vh;
    border-radius: var(--radius);
  }

  .modal-form { padding: 20px 22px 22px; }
}