:root {
  --bg: #f4f8ff;
  --panel: #ffffff;
  --text: #102a43;
  --muted: #627d98;
  --brand: #005f73;
  --brand-2: #0a9396;
  --warn: #bb3e03;
  --border: #d9e2ec;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at 20% 10%, #d7efff 0%, #f4f8ff 40%, #e7f6ef 100%);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar h1 {
  margin: 0;
}

.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

.top-actions {
  display: flex;
  gap: 10px;
}

.layout {
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
  box-shadow: 0 8px 20px rgba(16, 42, 67, 0.07);
}

.split {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 16px;
}

.filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

input,
button {
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.btn {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #fff;
  border: none;
  cursor: pointer;
}

.btn.ghost {
  background: #fff;
  color: var(--brand);
  border: 1px solid var(--brand);
}

.btn.warn {
  background: linear-gradient(135deg, #ca6702, var(--warn));
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
  word-break: break-word;
}

h3 {
  margin-top: 18px;
  margin-bottom: 8px;
}

.video {
  width: 100%;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #000;
}

.muted {
  color: var(--muted);
}

.pager {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.kpi {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}

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

.kpi strong {
  font-size: 20px;
}

.hidden {
  display: none;
}

@media (max-width: 920px) {
  .split {
    grid-template-columns: 1fr;
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(120px, 1fr));
  }
}