:root {
  --bg: #0f1419;
  --card: #1a1f2e;
  --card-2: #242938;
  --border: #2a3142;
  --text: #e8eaed;
  --muted: #8b93a5;
  --accent: #4a9eff;
  --accent-hover: #6ab0ff;
  --danger: #ff6b6b;
  --overlay: rgba(0, 0, 0, 0.65);
  --radius: 8px;
}

[data-theme="light"] {
  --bg: #f4f6fa;
  --card: #ffffff;
  --card-2: #eef2f7;
  --border: #d5dce6;
  --text: #1a1f2e;
  --muted: #5a6577;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --overlay: rgba(15, 20, 25, 0.45);
}

html, body { background: var(--bg); color: var(--text); }

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: var(--card-2);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.error {
  color: var(--danger);
  padding: 10px 12px;
  background: rgba(255,107,107,.1);
  border-radius: var(--radius);
  margin-top: 10px;
  font-size: 14px;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  padding-top: max(12px, env(safe-area-inset-top));
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 { margin: 0; font-size: 18px; font-weight: 600; }
.header-actions { display: flex; gap: 8px; align-items: center; }

main {
  padding: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

.card {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
}

.card h2 { margin: 0; font-size: 18px; }
.card h3 { margin: 0; font-size: 16px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card-2);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  min-height: 40px;
  touch-action: manipulation;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.btn:hover { background: var(--border); }
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-ghost { background: transparent; }
.btn-secondary { background: var(--card-2); }
.small-btn { min-height: 32px; padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

input[type=text], input[type=search], input[type=number], textarea, select {
  width: 100%;
  padding: 9px 12px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  min-height: 40px;
}
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}
textarea { resize: vertical; min-height: 140px; }

.load-options {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

#pasteArea {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
#pasteArea textarea {
  font-family: ui-monospace, monospace;
  font-size: 13px;
}

.array-option {
  display: block;
  width: 100%;
  text-align: left;
  padding: 12px 14px;
  margin-bottom: 8px;
  background: var(--card-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}
.array-option:hover { border-color: var(--accent); }
.array-option strong { color: var(--accent); }

.viewer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.viewer-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.config-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-config-table {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: 380px;
  overflow-y: auto;
  background: var(--card);
}

.field-config-header,
.field-config-row {
  display: grid;
  grid-template-columns: 2fr 1fr 60px 60px 60px;
  gap: 8px;
  padding: 10px 12px;
  align-items: center;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.field-config-header {
  background: var(--card-2);
  position: sticky;
  top: 0;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.4px;
  z-index: 1;
}
.field-config-header span:nth-child(n+3) { text-align: center; }
.field-config-row:last-child { border-bottom: none; }
.field-config-row input[type=checkbox] {
  justify-self: center;
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--accent);
}
.field-path {
  font-family: ui-monospace, monospace;
  word-break: break-all;
  font-size: 12px;
}
.field-type {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.config-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.search-row {
  display: flex;
  gap: 8px;
  align-items: stretch;
  flex-wrap: wrap;
}
.search-row input { flex: 1; min-width: 180px; }

.filter-panel {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.filter-item {
  background: var(--card-2);
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.filter-label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.4px;
  word-break: break-all;
}
.filter-range { display: flex; gap: 6px; }
.filter-range input { flex: 1; min-width: 0; }
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 140px;
  overflow-y: auto;
}
.filter-chip {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
}
.filter-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.page-size-label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.page-size-label select {
  width: auto;
  min-width: 72px;
  min-height: 36px;
}

.table-wrap {
  overflow-x: auto;
  margin: 0 -16px;
  padding: 0 16px;
  -webkit-overflow-scrolling: touch;
  border-top: 1px solid var(--border);
}

table {
  border-collapse: collapse;
  width: 100%;
  min-width: max-content;
}
th, td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  vertical-align: top;
  white-space: nowrap;
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
}
th {
  background: var(--card-2);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
  letter-spacing: 0.4px;
  position: sticky;
  top: 0;
}
th:hover { color: var(--text); }
th.sort-asc::after { content: ' \2191'; color: var(--accent); }
th.sort-desc::after { content: ' \2193'; color: var(--accent); }
tbody tr { cursor: pointer; }
tbody tr:hover td { background: var(--card-2); }
tbody tr.empty-row td {
  text-align: center;
  color: var(--muted);
  padding: 20px;
  cursor: default;
}
tbody tr.empty-row:hover td { background: transparent; }

.pagination {
  display: flex;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.pagination-summary { flex: 0 1 auto; }
.pagination-buttons {
  display: flex;
  gap: 6px;
  align-items: center;
  flex-wrap: wrap;
}
.pagination-buttons .btn { min-width: 44px; padding: 6px 10px; min-height: 36px; }
@media (max-width: 600px) {
  .pagination { justify-content: center; }
  .pagination-summary { flex-basis: 100%; text-align: center; }
}

.popover {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}
.popover-inner {
  background: var(--card);
  width: 100%;
  max-width: 560px;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 20px;
  padding-bottom: max(20px, env(safe-area-inset-bottom));
  max-height: 85vh;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-bottom: none;
}
@media (min-width: 600px) {
  .popover { align-items: center; }
  .popover-inner {
    border-radius: var(--radius);
    border-bottom: 1px solid var(--border);
  }
}
.popover-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 16px;
  position: sticky;
  bottom: 0;
  background: var(--card);
  padding-top: 10px;
}
.column-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: var(--radius);
  cursor: pointer;
  border: 1px solid transparent;
}
.column-item:hover { background: var(--card-2); }
.column-item input {
  width: 20px;
  height: 20px;
  accent-color: var(--accent);
}

.record-json {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 55vh;
  overflow: auto;
  color: var(--text);
}

@media (max-width: 600px) {
  .field-config-header,
  .field-config-row {
    grid-template-columns: 2fr 44px 44px 44px;
    padding: 9px 8px;
    gap: 4px;
  }
  .field-config-header span:nth-child(2),
  .field-config-row .field-type { display: none; }
  main { padding: 8px; }
  .card { padding: 12px; }
  th, td { font-size: 12px; padding: 8px 10px; max-width: 240px; }
  .table-wrap { margin: 0 -12px; padding: 0 12px; }
}