:root {
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --bg-color: #f8fafc;
  --card-bg: #ffffff;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --success: #16a34a;
  --warning: #ca8a04;
  --danger: #dc2626;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
}

body {
  background-color: var(--bg-color);
  color: var(--text-dark);
  line-height: 1.6;
}

.navbar {
  background: var(--card-bg);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}

.brand {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

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

.btn {
  padding: 0.5rem 1.2rem;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-weight: 600;
  text-decoration: none;
  display: inline-block;
  transition: 0.2s;
}

.btn-primary { background: var(--primary); color: white !important; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: white !important; }
.btn-sm { padding: 0.3rem 0.8rem; font-size: 0.875rem; }

.container {
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
}

.card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
  margin-bottom: 1.5rem;
}

.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; margin-bottom: 0.4rem; font-weight: 600; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
}

.job-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.job-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--border-color);
}

.badge {
  padding: 0.25rem 0.6rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}
.badge-pending { background: #fef08a; color: var(--warning); }
.badge-approved { background: #bbf7d0; color: var(--success); }
.badge-rejected { background: #fecaca; color: var(--danger); }

.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
th, td { padding: 0.75rem 1rem; text-align: left; border-bottom: 1px solid var(--border-color); }
th { background: #f1f5f9; }

@media (max-width: 768px) {
  .navbar { flex-direction: column; gap: 1rem; }
  .job-grid { grid-template-columns: 1fr; }
}