* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft Yahei", sans-serif;
  background: #0f172a;
  color: #e2e8f0;
}

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 24px 60px;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.title-main {
  font-size: 26px;
  font-weight: 600;
}

.title-sub {
  color: #94a3b8;
  margin-top: 6px;
}

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

.tabs-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.tab-btn {
  border-radius: 999px;
  border: 1px solid #1e293b;
  padding: 8px 16px;
  font-size: 14px;
  background: #0b1220;
  color: #e2e8f0;
  cursor: pointer;
}

.tab-btn.active {
  background: #2563eb;
  border-color: #2563eb;
  color: #ffffff;
}

.tab-page {
  display: none;
}

.tab-page.active {
  display: block;
}

select, button {
  border-radius: 8px;
  border: 1px solid #1e293b;
  padding: 8px 12px;
  font-size: 14px;
  background: #111827;
  color: #e2e8f0;
}

button {
  cursor: pointer;
}

button.primary {
  background: #2563eb;
  border-color: #2563eb;
}

button.ghost {
  background: transparent;
  border-color: #334155;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.card {
  padding: 16px;
  background: #111827;
  border: 1px solid #1f2937;
  border-radius: 14px;
}

.card.accent {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(15, 118, 110, 0.2));
  border-color: rgba(37, 99, 235, 0.5);
}

.card-label {
  font-size: 13px;
  color: #94a3b8;
}

.card-value {
  font-size: 26px;
  font-weight: 600;
  margin-top: 8px;
}

.card-meta {
  margin-top: 6px;
  font-size: 12px;
  color: #64748b;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  margin-bottom: 18px;
}

.panel {
  background: #0b1220;
  border-radius: 14px;
  border: 1px solid #1f2937;
  padding: 16px;
  min-height: 260px;
  display: flex;
  flex-direction: column;
}

.panel-title {
  font-size: 15px;
  margin-bottom: 12px;
}

canvas {
  width: 100%;
  height: 220px;
}

.panel-foot {
  margin-top: auto;
  font-size: 12px;
  color: #94a3b8;
  padding-top: 8px;
}

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

.list-item {
  background: rgba(148, 163, 184, 0.08);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.list-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.list-title {
  font-size: 13px;
}

.list-meta {
  font-size: 12px;
  color: #94a3b8;
}

.tag {
  font-size: 12px;
  color: #38bdf8;
}

.muted {
  color: #64748b;
}

@media (max-width: 768px) {
  .page {
    padding: 20px 16px 40px;
  }
  .actions {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .tabs-bar {
    gap: 8px;
  }
}