:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-card-hover: #273548;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-light: rgba(59, 130, 246, 0.1);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #06b6d4;
  --border: #334155;
  --border-light: #475569;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
  --transition: all 0.2s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

/* Layout */
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.wrap-narrow { max-width: 480px; margin: 0 auto; padding: 0 24px; }

/* Navbar */
.navbar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-primary);
  text-decoration: none;
}
.navbar-brand .logo {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 800;
}
.navbar-nav { display: flex; align-items: center; gap: 8px; }
.navbar-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.navbar-nav a:hover, .navbar-nav a.active {
  color: var(--text-primary);
  background: var(--accent-light);
}
.navbar-nav .btn-logout {
  color: var(--danger);
  cursor: pointer;
}
.navbar-nav .btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
}
.user-badge {
  color: var(--text-secondary);
  font-size: 13px;
  padding: 8px 12px;
  border-right: 1px solid var(--border);
  margin-right: 8px;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}
.card:hover { border-color: var(--border-light); }
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.card-header h2, .card-header h3 {
  font-size: 18px;
  font-weight: 600;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
}
.stat-card .stat-number {
  font-size: 36px;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 4px;
}
.stat-card .stat-label {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  font-family: inherit;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--accent); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-xs { padding: 4px 10px; font-size: 12px; border-radius: 4px; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: var(--transition);
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}
.form-control::placeholder { color: var(--text-muted); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }
.form-inline { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form-actions { display: flex; gap: 12px; margin-top: 20px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
th {
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--bg-secondary);
}
tr:hover td { background: rgba(59, 130, 246, 0.03); }
td .actions { display: flex; gap: 6px; }

/* Badges / Status */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}
.badge-draft { background: rgba(100, 116, 139, 0.15); color: var(--text-secondary); }
.badge-submitted { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-approved { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-open { background: rgba(6, 182, 212, 0.15); color: var(--info); }
.badge-closed { background: rgba(100, 116, 139, 0.15); color: var(--text-muted); }
.badge-active { background: rgba(59, 130, 246, 0.15); color: var(--accent); }
.badge-pending { background: rgba(245, 158, 11, 0.15); color: var(--warning); }
.badge-verified { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-pass { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-rejected { background: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-offered { background: rgba(139, 92, 246, 0.15); color: #a78bfa; }
.badge-hired { background: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-accepted { background: rgba(16, 185, 129, 0.15); color: var(--success); }

/* Alerts */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 16px;
  display: none;
}
.alert-show { display: block; }
.alert-success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.3); color: var(--success); }
.alert-error { background: rgba(239, 68, 68, 0.1); border: 1px solid rgba(239, 68, 68, 0.3); color: var(--danger); }
.alert-info { background: rgba(6, 182, 212, 0.1); border: 1px solid rgba(6, 182, 212, 0.3); color: var(--info); }

/* Modal */
.modal-overlay {
  display: none;
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center; justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  max-width: 560px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}
.modal h3 { margin-bottom: 20px; font-size: 20px; }

/* Loading */
.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
}
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Login Page */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
}
.login-box {
  width: 100%;
  max-width: 420px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
}
.login-box .logo-big {
  width: 56px; height: 56px;
  background: var(--accent);
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; font-weight: 800;
  margin: 0 auto 20px;
}
.login-box h1 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 4px;
}
.login-box p {
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 28px;
}

/* Hero (landing) */
.hero {
  text-align: center;
  padding: 80px 24px 60px;
}
.hero .logo-hero {
  width: 72px; height: 72px;
  background: var(--accent);
  border-radius: 18px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 36px; font-weight: 800;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 12px;
  background: linear-gradient(to right, var(--accent), #818cf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p {
  color: var(--text-secondary);
  font-size: 18px;
  max-width: 600px;
  margin: 0 auto 32px;
}
.hero .btn-group { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* Features */
.features {
  padding: 60px 24px;
}
.features h2 {
  text-align: center;
  font-size: 28px;
  margin-bottom: 40px;
}
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  transition: var(--transition);
}
.feature-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.feature-card .icon {
  width: 48px; height: 48px;
  background: var(--accent-light);
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}
.feature-card h3 { font-size: 16px; margin-bottom: 8px; }
.feature-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.6; }

/* Footer */
.footer {
  text-align: center;
  padding: 32px 24px;
  color: var(--text-muted);
  font-size: 13px;
  border-top: 1px solid var(--border);
}

/* Page content */
.page-content { padding: 24px; }
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h1 {
  font-size: 28px;
  font-weight: 700;
}
.page-header .subtitle {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 2px;
}

/* Tabs */
.tabs-wrap {
  overflow-x: auto;
  overflow-y: hidden;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs-wrap::-webkit-scrollbar { display: none; }
.tabs {
  display: flex;
  gap: 2px;
  min-width: max-content;
  padding-bottom: 0;
  white-space: nowrap;
}
.tab {
  padding: 10px 16px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  flex-shrink: 0;
}
.tab:hover { color: var(--text-primary); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Table responsive */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table-wrap table { min-width: 600px; }

/* Responsive */
@media (max-width: 768px) {
  .hero h1 { font-size: 28px; }
  .hero { padding: 48px 16px 40px; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .page-header > div:last-child { width: 100%; }
  .page-header > div:last-child .btn { flex: 1; justify-content: center; }
  .navbar-nav a { padding: 6px 10px; font-size: 13px; }
  .user-badge { display: none; }
  .navbar { padding: 0 12px; }
  .navbar-brand { font-size: 15px; }
  .navbar-brand .logo { width: 30px; height: 30px; font-size: 15px; }
  .stat-card .stat-number { font-size: 28px; }
  .stat-card { padding: 16px; }
  .login-box { padding: 28px; }
  .page-content { padding: 16px; }
  .modal { padding: 20px; width: 95%; max-height: 90vh; }
  .card { padding: 16px; }
  th, td { padding: 8px 10px; font-size: 12px; }
  .tab { padding: 8px 12px; font-size: 12px; }
  .form-inline { flex-direction: column; gap: 8px; }
}

@media (max-width: 480px) {
  .stat-card .stat-number { font-size: 22px; }
  .page-header h1 { font-size: 22px; }
  .card-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .page-header > div:last-child .btn { font-size: 12px; padding: 8px 12px; }
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text-secondary); }

/* Description list */
.dl { display: grid; grid-template-columns: 140px 1fr; gap: 10px; font-size: 14px; }
.dt { color: var(--text-muted); font-weight: 500; }
.dd { color: var(--text-primary); }