:root {
  color-scheme: light;
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1d4ed8;
  --primary-light: #dbeafe;
  --border: #e2e8f0;
  --success: #16a34a;
  --warning: #f97316;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 32px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.brand-mark {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--primary);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 18px;
}

.brand-title {
  font-size: 18px;
  font-weight: 600;
}

.brand-subtitle {
  font-size: 13px;
  color: var(--muted);
}

.user-area {
  display: flex;
  align-items: center;
  gap: 16px;
}

.user-role {
  background: var(--primary-light);
  color: var(--primary);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.role-switch {
  display: flex;
  gap: 8px;
  background: #f8fafc;
  border: 1px solid var(--border);
  padding: 6px;
  border-radius: 999px;
}

.role-option {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
}

.role-option.active {
  background: var(--primary);
  color: #fff;
}

.main-nav {
  display: flex;
  gap: 12px;
  padding: 12px 32px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-weight: 500;
}

.nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
}

.page {
  padding: 28px 32px 64px;
}

.page-header {
  margin-bottom: 20px;
}

.page-header p {
  color: var(--muted);
  margin-top: 4px;
}

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

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.04);
}

.card.light {
  background: #f8fafc;
}

.metric {
  font-size: 28px;
  font-weight: 700;
  margin: 12px 0 6px;
}

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

.notice {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 16px;
  font-size: 14px;
}

.table {
  width: 100%;
  overflow-x: auto;
}

.table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

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

.table th {
  color: var(--muted);
  font-weight: 600;
}

.badge {
  background: #dcfce7;
  color: var(--success);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.funnel {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.funnel-row {
  display: grid;
  grid-template-columns: 80px 1fr 50px;
  align-items: center;
  gap: 12px;
  font-size: 14px;
}

.funnel-bar {
  background: #eef2ff;
  border-radius: 999px;
  overflow: hidden;
  height: 10px;
}

.funnel-bar div {
  height: 100%;
  background: var(--primary);
}

.list {
  margin: 12px 0 0;
  padding-left: 18px;
  color: var(--text);
}

.list li {
  margin-bottom: 8px;
  line-height: 1.5;
}

.tag-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.tag {
  background: #eff6ff;
  color: #1e40af;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
}

.detail-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.detail-list div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 6px;
  font-size: 14px;
}

.detail-list dt {
  color: var(--muted);
}

.link {
  color: var(--primary);
  font-weight: 600;
}

.api-call {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px dashed var(--border);
  background: #f8fafc;
  font-family: "Fira Code", "Menlo", monospace;
  font-size: 12px;
  color: var(--muted);
}

.page-footer {
  padding: 24px 32px;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 720px) {
  .top-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .main-nav {
    padding: 12px 20px;
  }
  .page {
    padding: 24px 20px 48px;
  }
  .role-switch {
    width: 100%;
    justify-content: space-between;
  }
}