:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #272b33;
  --text: #e6e8ec;
  --muted: #9aa1ab;
  --accent: #ff6d2d;
  --green: #3ecf8e;
  --red: #ff5c5c;
  --blue: #5b9dff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 16px 48px;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  align-items: flex-end;
  padding: 24px 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

h1 { margin: 0; font-size: 22px; }
.subtitle { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.status { font-size: 13px; color: var(--muted); text-align: right; }
.status strong { color: var(--text); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.stat-card .value { font-size: 22px; font-weight: 600; }
.stat-card .value.small { font-size: 15px; }
.stat-card .label { color: var(--muted); font-size: 12px; margin-top: 2px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 20px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.panel-head h2 { margin: 0; font-size: 16px; }

input[type="search"], .btn {
  background: #1f232b;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}
.btn { cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.alerts { display: flex; flex-direction: column; gap: 8px; max-height: 360px; overflow-y: auto; }
.alert {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
}
.badge {
  flex: none;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.badge.price_change { background: rgba(91,157,255,0.15); color: var(--blue); }
.badge.cheapest_store_change { background: rgba(62,207,142,0.15); color: var(--green); }
.badge.new_listing, .badge.new_search_term, .badge.new_retailer { background: rgba(255,109,45,0.15); color: var(--accent); }
.alert-msg { flex: 1; }
.alert-time { color: var(--muted); font-size: 11px; white-space: nowrap; }

.empty { color: var(--muted); padding: 12px 0; font-size: 13px; }

.categories { display: flex; flex-direction: column; gap: 10px; }
.category {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
}
.category-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.category-head .term { font-weight: 600; text-transform: capitalize; }
.category-head .count { color: var(--muted); font-size: 12px; }
.retailer-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  padding: 4px 0;
  color: var(--muted);
}
.retailer-row.cheapest { color: var(--green); font-weight: 600; }
.retailer-row .name { max-width: 70%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.product-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.product-filters input[type="search"] { flex: 1; min-width: 180px; }
.product-filters select {
  background: #1f232b;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
}

.table-wrap { overflow-x: auto; }
#products-table { width: 100%; border-collapse: collapse; font-size: 13px; }
#products-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
#products-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}
#products-table tbody tr:hover { background: #1b1f27; }
#products-table td.price { color: var(--green); font-weight: 600; text-align: right; }
#products-table td.category { text-transform: capitalize; color: var(--muted); }
#products-table td.other-retailers { color: var(--blue); font-size: 12px; max-width: 220px; white-space: normal; }

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
}
.pagination button {
  background: #1f232b;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 6px 12px;
  cursor: pointer;
  font-size: 13px;
}
.pagination button:hover:not(:disabled) { border-color: var(--accent); }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }

@media (max-width: 560px) {
  .topbar { flex-direction: column; align-items: flex-start; }
  .status { text-align: left; }
}