* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
  background: #f4f7fb;
  color: #1f2a44;
}

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

.layout {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  background: linear-gradient(180deg, #071a33, #0f2d56);
  color: #fff;
  padding: 24px 18px;
}

.logo {
  font-size: 20px;
  font-weight: 800;
  line-height: 1.45;
  margin-bottom: 8px;
}

.logo-sub {
  font-size: 12px;
  color: #a9bdd8;
  line-height: 1.7;
  margin-bottom: 30px;
}

.nav a {
  display: block;
  padding: 13px 14px;
  margin-bottom: 8px;
  border-radius: 12px;
  color: #dce8f8;
  font-size: 15px;
}

.nav a.active,
.nav a:hover {
  background: rgba(255,255,255,0.14);
}

.main {
  flex: 1;
  padding: 30px;
}

.hero {
  border-radius: 24px;
  padding: 32px;
  color: #fff;
  background: linear-gradient(135deg, #1d6fff, #65b8ff);
  box-shadow: 0 16px 40px rgba(29,111,255,0.18);
  margin-bottom: 24px;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 32px;
}

.hero p {
  margin: 0;
  line-height: 1.8;
  opacity: .9;
}

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

.header h1 {
  margin: 0;
  font-size: 28px;
}

.header p {
  margin: 8px 0 0;
  color: #6b7890;
}

.badge {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  background: #e8f1ff;
  color: #1d6fff;
  font-size: 13px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.card {
  background: #fff;
  border: 1px solid #e6edf7;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 8px 24px rgba(22,45,84,0.06);
}

.kpi-title {
  color: #6b7890;
  font-size: 14px;
}

.kpi-value {
  margin-top: 10px;
  font-size: 28px;
  font-weight: 800;
}

.kpi-desc {
  margin-top: 8px;
  color: #8a96aa;
  font-size: 13px;
  line-height: 1.6;
}

.section-title {
  margin: 28px 0 14px;
  font-size: 20px;
  font-weight: 800;
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  overflow: hidden;
  border-radius: 16px;
}

.table th,
.table td {
  padding: 14px 16px;
  border-bottom: 1px solid #edf2f7;
  text-align: left;
  font-size: 14px;
}

.table th {
  background: #f8fbff;
  color: #6b7890;
}

.status {
  display: inline-block;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 12px;
}

.status.green {
  color: #17a05d;
  background: #e9f8ef;
}

.status.blue {
  color: #1d6fff;
  background: #e9f1ff;
}

.status.orange {
  color: #e47a00;
  background: #fff3e4;
}

.status.red {
  color: #e64040;
  background: #ffecec;
}

.btn {
  display: inline-block;
  padding: 9px 14px;
  border-radius: 10px;
  background: #1d6fff;
  color: #fff;
  font-size: 14px;
}

@media (max-width: 1000px) {
  .layout {
    display: block;
  }

  .sidebar {
    width: 100%;
  }

  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}