* { box-sizing: border-box; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  margin: 0;
  background: #f5f6f8;
  color: #1c2733;
}

.login-box {
  max-width: 380px;
  margin: 15vh auto;
  padding: 32px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: #fff;
  border-bottom: 1px solid #e2e5e9;
}

.logout-link {
  color: #b3261e;
  text-decoration: none;
}

section {
  max-width: 960px;
  margin: 20px auto;
  padding: 0 24px;
}

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

.dept-btn {
  padding: 8px 14px;
  background: #1a73e8;
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 14px;
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.tab {
  padding: 8px 16px;
  border: 1px solid #d5d9dd;
  background: #fff;
  border-radius: 6px;
  cursor: pointer;
}

.tab.active {
  background: #1a73e8;
  color: #fff;
  border-color: #1a73e8;
}

.filter-bar {
  margin-bottom: 12px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th, td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid #eceef1;
  font-size: 14px;
}

th {
  background: #f0f2f5;
}