:root {
  color-scheme: light;
  --page-plane: #f9f9f7;
  --surface-1: #fcfcfb;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --baseline: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);
  --series-1: #2a78d6; /* 쿠팡 */
  --series-2: #eb6834; /* 네이버 */
  --good: #0ca30c;
  --critical: #d03b3b;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page-plane: #0d0d0d;
    --surface-1: #1a1a19;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --text-muted: #898781;
    --gridline: #2c2c2a;
    --baseline: #383835;
    --border: rgba(255, 255, 255, 0.1);
    --series-1: #3987e5;
    --series-2: #d95926;
    --good: #0ca30c;
    --critical: #e66767;
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-plane: #0d0d0d;
  --surface-1: #1a1a19;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #898781;
  --gridline: #2c2c2a;
  --baseline: #383835;
  --border: rgba(255, 255, 255, 0.1);
  --series-1: #3987e5;
  --series-2: #d95926;
  --good: #0ca30c;
  --critical: #e66767;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--page-plane);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.5;
}

.page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 20px 64px;
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.topbar h1 {
  font-size: 20px;
  margin: 0;
}

.topbar .subtitle {
  color: var(--text-secondary);
  font-size: 13px;
  margin-top: 4px;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
}

.platform-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 16px;
}

.tab-btn {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.tab-btn.active {
  background: var(--series-1);
  border-color: var(--series-1);
  color: #fff;
}

.tab-btn[data-platform="naver"].active {
  background: var(--series-2);
  border-color: var(--series-2);
}

.ghost-btn {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 12.5px;
  cursor: pointer;
}

.ghost-btn:hover {
  background: var(--gridline);
}

.slicer-btn {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  cursor: pointer;
}

.slicer-btn:hover {
  background: var(--gridline);
}

.slicer-btn.active {
  background: var(--series-1);
  border-color: var(--series-1);
  color: #fff;
}

.card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  margin-bottom: 16px;
}

.card h2 {
  font-size: 14px;
  margin: 0 0 12px;
  color: var(--text-secondary);
  font-weight: 600;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.filter-group .label {
  font-size: 12px;
  color: var(--text-muted);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
  color: var(--text-secondary);
  background: transparent;
}

.chip input {
  accent-color: var(--series-1);
}

select, input[type="text"] {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-1);
  color: var(--text-primary);
  padding: 6px 10px;
  font-size: 13px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

.stat-tile {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}

.stat-tile .stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-tile .stat-value {
  font-size: 20px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.stat-tile .stat-breakdown {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-secondary);
  display: flex;
  gap: 10px;
}

.legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 5px;
}

.dot-coupang {
  background: var(--series-1);
}

.dot-naver {
  background: var(--series-2);
}

.chart-wrap {
  position: relative;
  height: 280px;
}

.empty-state {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 20px 4px;
}

.empty-state code {
  background: var(--gridline);
  padding: 1px 5px;
  border-radius: 4px;
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.file-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 4px;
  border-bottom: 1px solid var(--gridline);
  font-size: 13px;
}

.file-row:last-child {
  border-bottom: none;
}

.file-row .file-name {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-row a {
  color: var(--series-1);
  text-decoration: none;
  font-size: 12px;
  white-space: nowrap;
}

.file-row a:hover {
  text-decoration: underline;
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button.primary {
  background: var(--series-1);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 7px 14px;
  font-size: 13px;
  cursor: pointer;
}

button.primary:hover {
  filter: brightness(1.05);
}

.table-scroll {
  overflow: auto;
  max-height: 520px;
  border: 1px solid var(--gridline);
  border-radius: 8px;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12.5px;
}

thead th {
  position: sticky;
  top: 0;
  background: var(--surface-1);
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--baseline);
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}

thead th.sorted::after {
  content: " ▾";
  color: var(--text-muted);
}

tbody td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--gridline);
  color: var(--text-primary);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

tbody tr:hover td {
  background: color-mix(in srgb, var(--series-1) 6%, transparent);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 10px;
  font-size: 12.5px;
  color: var(--text-secondary);
}

.pagination button {
  border: 1px solid var(--border);
  background: var(--surface-1);
  color: var(--text-primary);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
}

.pagination button:disabled {
  opacity: 0.4;
  cursor: default;
}

.platform-badge {
  display: inline-block;
  border-radius: 5px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 600;
  color: #fff;
}

.platform-badge.coupang {
  background: var(--series-1);
}

.platform-badge.naver {
  background: var(--series-2);
}

footer {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 24px;
  text-align: center;
}