body {
  font-family: 'Kanit', Arial, sans-serif;
  background: #f4f7fa;
  margin: 0;
  color: #222;
}
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0D47A1 0%, #1976D2 100%);
}
.login-form {
  background: #fff;
  padding: 2.5rem 2rem;
  border-radius: 18px;
  box-shadow: 0 6px 32px rgba(13, 71, 161, 0.12);
  width: 100%;
  max-width: 340px;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.login-form h2 {
  color: #0D47A1;
  margin-bottom: 1rem;
}
.login-form label {
  font-weight: 600;
}
.login-form input {
  padding: 0.7rem;
  border: 1px solid #b0bec5;
  border-radius: 8px;
  font-size: 1rem;
}
.login-form button {
  background: linear-gradient(90deg, #0D47A1 60%, #1976D2 100%);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.8rem;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(13, 71, 161, 0.08);
  transition: background 0.2s;
}
.login-form button:hover {
  background: #1565C0;
}
.dashboard {
  display: flex;
  min-height: 100vh;
}
.sidebar {
  background: linear-gradient(180deg, #0D47A1 80%, #1976D2 100%);
  color: #fff;
  width: 220px;
  min-width: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 0 0 0;
  box-shadow: 2px 0 16px rgba(13, 71, 161, 0.08);
  position: fixed;
  height: 100vh;
  z-index: 10;
}
.sidebar-logo {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 2rem;
  letter-spacing: 2px;
}
.sidebar nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  width: 100%;
}
.sidebar nav li {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 2rem;
  cursor: pointer;
  border-radius: 12px 0 0 12px;
  transition: background 0.18s;
}
.sidebar nav li:hover, .sidebar nav li.active {
  background: rgba(255, 255, 255, 0.12);
}
.sidebar .icon {
  font-size: 1.3rem;
}
.sidebar .label {
  font-size: 1.1rem;
}
.main-content {
  margin-left: 220px;
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
.topbar {
  background: #fff;
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 12px rgba(13, 71, 161, 0.06);
  border-radius: 0 0 18px 18px;
  margin-bottom: 1.5rem;
}
.topbar-title {
  font-size: 1.3rem;
  font-weight: 600;
  color: #0D47A1;
}
.topbar-user {
  font-size: 1rem;
  color: #1976D2;
}
.cards {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(13, 71, 161, 0.08);
  padding: 1.5rem 2rem;
  min-width: 180px;
  flex: 1;
  text-align: center;
}
.card h3 {
  color: #0D47A1;
  margin-bottom: 0.5rem;
}
.card p {
  font-size: 2rem;
  font-weight: 600;
  color: #1976D2;
}
.charts {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.chart-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(13, 71, 161, 0.08);
  padding: 1.5rem;
  flex: 1 1 320px;
  min-width: 280px;
}
.chart-card h4 {
  color: #0D47A1;
  margin-bottom: 1rem;
}
canvas {
  width: 100% !important;
  height: 220px !important;
  display: block;
}
.user-table-section {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(13, 71, 161, 0.08);
  padding: 1.5rem;
  margin-bottom: 2rem;
}
.user-table-section h4 {
  color: #0D47A1;
  margin-bottom: 1rem;
}
.table-responsive {
  overflow-x: auto;
}
.user-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1rem;
}
.user-table th, .user-table td {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid #e3eaf1;
  text-align: left;
}
.user-table th {
  background: #e3eaf1;
  color: #0D47A1;
  font-weight: 600;
}
.user-table tr:last-child td {
  border-bottom: none;
}
.user-table td {
  color: #222;
}
@media (max-width: 900px) {
  .cards, .charts {
    flex-direction: column;
    gap: 1rem;
  }
  .main-content {
    margin-left: 60px;
  }
  .sidebar {
    width: 60px;
    min-width: 60px;
    align-items: flex-start;
  }
  .sidebar .label {
    display: none;
  }
}
@media (max-width: 600px) {
  .main-content {
    margin-left: 0;
  }
  .sidebar {
    display: none;
  }
  .topbar {
    padding: 1rem;
    flex-direction: column;
    gap: 0.5rem;
    border-radius: 0 0 12px 12px;
  }
  .card, .chart-card, .user-table-section {
    padding: 1rem;
  }
  .user-table th, .user-table td {
    padding: 0.5rem 0.6rem;
    font-size: 0.95rem;
  }
}