:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-strong: #f7f9fc;
  --border: #d7dee9;
  --text: #172033;
  --muted: #5b6880;
  --accent: #2563eb;
  --accent-2: #0f766e;
  --danger: #c2410c;
  --warning: #b45309;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: linear-gradient(180deg, #f7f9fc 0%, #eef2f8 100%);
  color: var(--text);
  font-family: "Inter", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.app-shell {
  max-width: 1480px;
  margin: 0 auto;
  padding: 32px 24px 48px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(320px, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.hero-copy,
.hero-meta,
.panel,
.ranking-card {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-copy {
  padding: 28px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0 0 12px;
  font-size: 40px;
  line-height: 1.1;
}

.hero-text {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.hero-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--border);
}

.stat-card {
  background: var(--panel-strong);
  padding: 22px 18px;
  min-height: 118px;
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 12px;
}

.stat-card strong {
  font-size: 24px;
  line-height: 1.25;
}

.layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 1fr);
  gap: 20px;
}

.sidebar,
.content {
  display: grid;
  gap: 20px;
  align-content: start;
}

.panel {
  padding: 20px;
}

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

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.panel-header h2 {
  margin: 0;
}

.panel-header p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.field {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.field span {
  color: var(--muted);
  font-size: 13px;
}

select {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 6px;
  padding: 10px 12px;
  font: inherit;
}

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

.segmented button {
  border: 1px solid var(--border);
  background: #fff;
  color: var(--muted);
  border-radius: 999px;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.segmented button.active {
  border-color: rgba(37, 99, 235, 0.28);
  background: rgba(37, 99, 235, 0.08);
  color: var(--accent);
}

.notes,
.task-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.notes li,
.task-item {
  color: var(--muted);
  line-height: 1.6;
  font-size: 14px;
}

.task-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 6px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 16px;
}

.summary-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  padding: 18px;
}

.summary-card .label {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 10px;
}

.summary-card strong {
  display: block;
  font-size: 22px;
  margin-bottom: 8px;
}

.summary-card small {
  color: var(--muted);
}

.chart-list {
  display: grid;
  gap: 12px;
}

.chart-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 90px;
  gap: 14px;
  align-items: center;
}

.chart-label {
  display: grid;
  gap: 3px;
}

.chart-label strong {
  font-size: 14px;
}

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

.chart-track {
  height: 14px;
  border-radius: 999px;
  background: #e8eef8;
  overflow: hidden;
}

.chart-bar {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #60a5fa 0%, #2563eb 100%);
}

.chart-value {
  text-align: right;
  color: var(--accent-2);
  font-weight: 700;
  font-size: 13px;
}

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

.ranking-card {
  padding: 18px;
}

.ranking-card h3 {
  margin: 0 0 14px;
  font-size: 16px;
}

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

.ranking-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
}

.ranking-index {
  color: var(--accent);
  font-weight: 700;
}

.ranking-title {
  display: block;
  font-size: 14px;
}

.ranking-subtitle {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

.ranking-metric {
  font-size: 14px;
  color: var(--accent-2);
  font-weight: 700;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1220px;
}

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  position: sticky;
  top: 0;
  background: #f6f8fc;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

tbody tr:hover {
  background: rgba(37, 99, 235, 0.04);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  line-height: 1;
  border: 1px solid var(--border);
}

.badge.ok {
  color: var(--accent-2);
  border-color: rgba(15, 118, 110, 0.24);
}

.badge.mixed {
  color: var(--warning);
  border-color: rgba(180, 83, 9, 0.24);
}

.badge.failed {
  color: var(--danger);
  border-color: rgba(194, 65, 12, 0.24);
}

.provider-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.provider-card {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  background: #fff;
}

.provider-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.provider-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

@media (max-width: 1180px) {
  .hero,
  .layout,
  .summary-grid,
  .ranking-grid,
  .provider-status-grid {
    grid-template-columns: 1fr;
  }

  .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .chart-row {
    grid-template-columns: 1fr;
  }
}