:root {
  color-scheme: light;
  --ink: #15201e;
  --muted: #5e6b68;
  --line: #d7dedb;
  --surface: #f6f8f7;
  --accent: #0f8b8d;
  --accent-2: #d1495b;
  --accent-3: #edae49;
  --accent-4: #2e6f95;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #ffffff;
  color: var(--ink);
  font-family: "Inter", "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 32px 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
}

h1 {
  font-size: 28px;
  line-height: 1.2;
}

h2 {
  font-size: 18px;
}

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

.tab,
.plain-button,
.download-list a,
.plain-link {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
  color: var(--ink);
  padding: 8px 12px;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.tab.active,
.plain-button:hover,
.download-list a:hover,
.plain-link:hover {
  border-color: var(--accent);
  background: var(--accent);
  color: #ffffff;
}

main {
  padding: 24px 32px 40px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1.3fr) minmax(180px, 1fr) minmax(160px, 0.8fr);
  gap: 16px;
  align-items: end;
  margin-bottom: 18px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

select,
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--ink);
  background: #ffffff;
  font: inherit;
}

select[multiple] {
  min-height: 148px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  margin: 14px 0 18px;
}

.metrics div {
  display: grid;
  gap: 8px;
  padding: 16px;
  border-right: 1px solid var(--line);
  background: var(--surface);
}

.metrics div:last-child {
  border-right: 0;
}

.metrics span {
  color: var(--muted);
  font-size: 12px;
}

.metrics strong {
  font-size: 22px;
  line-height: 1.15;
}

.chart-wrap {
  height: 430px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}

.chart-wrap.tall {
  height: 500px;
}

.table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 22px 0 10px;
}

.alert-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.alert-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #ffffff;
}

.alert-panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.alert-panel p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.alert-list {
  display: grid;
  gap: 10px;
}

.alert-item {
  display: grid;
  gap: 6px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 10px 12px;
  background: var(--surface);
  font-size: 13px;
}

.alert-item.warning {
  border-left-color: var(--accent-2);
}

.alert-item strong {
  font-size: 14px;
}

.alert-item span {
  color: var(--muted);
}

.alert-empty {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: var(--surface);
  color: var(--muted);
}

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

.table-wrap.compact {
  max-height: 440px;
}

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

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #eef3f2;
  color: var(--muted);
}

.product-grid {
  display: grid;
  grid-template-columns: minmax(380px, 0.9fr) minmax(560px, 1.45fr);
  gap: 20px;
  align-items: start;
}

.filter-panel {
  display: grid;
  grid-template-columns: repeat(6, minmax(120px, 1fr));
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.filter-panel select {
  min-height: 112px;
}

.filter-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin: 10px 0 14px;
}

.bars {
  display: grid;
  gap: 14px;
  margin: 12px 0 18px;
}

.bar-group h3 {
  margin: 0 0 8px;
  font-size: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: minmax(112px, 0.8fr) minmax(120px, 1.4fr) 42px;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12px;
}

.bar-track {
  height: 11px;
  border-radius: 8px;
  background: #e8edeb;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  border-radius: 8px;
  background: var(--accent-4);
}

iframe {
  width: 100%;
  height: 840px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.download-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

#toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  max-width: 320px;
  border-radius: 8px;
  background: var(--ink);
  color: #ffffff;
  padding: 10px 12px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
}

#toast.hidden {
  display: none;
}

@media (max-width: 880px) {
  .topbar {
    position: static;
    display: grid;
    padding: 18px;
  }

  main {
    padding: 18px;
  }

  .toolbar,
  .metrics,
  .alert-grid,
  .filter-panel,
  .product-grid {
    grid-template-columns: 1fr;
  }

  .metrics div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metrics div:last-child {
    border-bottom: 0;
  }

  .chart-wrap {
    height: 360px;
  }

  iframe {
    height: 620px;
  }
}