:root {
  --bg: #0f0f13;
  --bg-panel: #16161f;
  --bg-panel-2: #13131c;
  --bg-inset: #0a0a0f;
  --border: #1e1e2a;
  --text: #e8e6f0;
  --text-dim: #9997a8;
  --text-faint: #6b6880;
  --accent: #5b4fff;
  --accent-hover: #4a3de8;
  --accent-soft: #5b4fff22;
  --green: #22c55e;
  --green-soft: #15803d22;
  --red: #f87171;
  --red-soft: #7f1d1d22;
  --yellow: #fbbf24;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 24px 80px;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

h1 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
}

h1 span {
  font-size: 13px;
  font-weight: 400;
  color: var(--text-faint);
  margin-left: 6px;
}

.controls {
  display: flex;
  align-items: center;
  gap: 14px;
}

.run-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.2s, transform 0.1s;
}

.run-btn:hover { background: var(--accent-hover); }
.run-btn:active { transform: scale(0.98); }
.run-btn:disabled { background: #2a2a3a; color: var(--text-faint); cursor: not-allowed; }

.status {
  font-size: 13px;
  color: var(--text-dim);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.spinner {
  display: inline-block;
  width: 13px;
  height: 13px;
  border: 2px solid #ffffff33;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

.filters-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  padding: 14px 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 20px;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.filter-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.filter-btn:hover { border-color: var(--accent); color: var(--accent); }

.filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

#sortSelect {
  background: var(--bg-inset);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 7px 12px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
}

#sortSelect:focus { border-color: var(--accent); }

.updated-at {
  margin-left: auto;
  font-size: 12px;
  color: var(--text-faint);
}

.buyer-block {
  margin-bottom: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.buyer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 20px;
  background: var(--bg-panel-2);
  border-bottom: 1px solid var(--border);
}

.buyer-name-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
}

.buyer-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--accent-soft);
  border: 1px solid #5b4fff44;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.buyer-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--text);
}

.buyer-summary {
  font-size: 12px;
  color: var(--text-faint);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.buyer-summary b {
  color: var(--text-dim);
  font-weight: 500;
}

.buyer-error {
  padding: 14px 20px;
  color: var(--red);
  font-size: 13px;
  background: var(--red-soft);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  text-align: left;
  padding: 10px 20px;
  border-bottom: 1px solid var(--bg);
}

th {
  color: var(--text-faint);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 1px solid var(--border);
}

tbody tr { transition: background 0.15s; }
tbody tr:hover td { background: var(--bg-panel-2); }
tr:last-child td { border-bottom: none; }

.campaign-name {
  max-width: 420px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text);
}

.status-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
}

.status-on {
  background: var(--green-soft);
  color: var(--green);
}

.status-off {
  background: rgba(120, 53, 15, 0.13);
  color: var(--yellow);
}

.num { font-variant-numeric: tabular-nums; color: var(--text); }

.empty-state {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-faint);
  font-size: 14px;
}

.empty-state .icon {
  font-size: 32px;
  display: block;
  margin-bottom: 10px;
}

.no-data-row td {
  color: var(--text-faint);
  font-style: italic;
  text-align: center;
}

.view-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.view-btn:hover { border-color: var(--accent); color: var(--accent); }

.view-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.article-block {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}

.article-code {
  font-weight: 600;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.buyers-tag {
  display: inline-block;
  background: var(--bg-inset);
  color: var(--text-faint);
  border-radius: 6px;
  padding: 2px 8px;
  font-size: 11px;
  margin-right: 4px;
  margin-bottom: 2px;
}

.filter-group.hidden-group {
  display: none;
}

.no-article-note {
  padding: 10px 20px;
  font-size: 12px;
  color: var(--text-faint);
  border-top: 1px solid var(--border);
}

.article-search-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.article-search {
  background: var(--bg-inset);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 13px;
  padding: 7px 12px;
  font-family: inherit;
  outline: none;
  width: 200px;
  transition: border-color 0.2s;
}

.article-search:focus { border-color: var(--accent); }

.sortable {
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.sortable:hover { color: var(--text); }

.sort-arrow { margin-left: 4px; font-size: 11px; }
.sort-arrow.active { color: var(--accent); }
.sort-arrow.inactive { color: var(--text-faint); opacity: 0.5; }