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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #f5f5f5;
  color: #333;
}

/* Login Page */
.login-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
}

.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.login-card .logo {
  font-size: 48px;
  margin-bottom: 20px;
}

.login-card h2 {
  font-size: 24px;
  margin-bottom: 8px;
  color: #333;
}

.login-card .subtitle {
  color: #777;
  font-size: 14px;
  margin-bottom: 30px;
}

.form-group {
  margin-bottom: 16px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 14px;
  transition: border 0.3s;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
}

.btn-login {
  width: 100%;
  padding: 12px;
  background: linear-gradient(135deg, #667eea, #764ba2);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s;
}

.btn-login:hover {
  transform: translateY(-2px);
}

.alert-error {
  margin-top: 16px;
  padding: 12px;
  background: #fee;
  color: #c33;
  border-radius: 8px;
  font-size: 14px;
}

/* Dashboard */
.navbar {
  background: #fff;
  padding: 16px 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  margin-bottom: 24px;
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  color: #333;
}

.btn-logout {
  padding: 8px 20px;
  background: #f5f5f5;
  color: #333;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-size: 14px;
  transition: background 0.2s;
}

.btn-logout:hover {
  background: #e5e5e5;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.stat-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.stat-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-icon.pending {
  background: #fff3cd;
}

.stat-icon.approved {
  background: #d1f4e0;
}

.stat-icon.total {
  background: #cfe2ff;
}

.stat-value {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 4px;
  color: #333;
}

.stat-label {
  color: #777;
  font-size: 14px;
}

/* Section Card */
.section-card {
  background: #fff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: 24px;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid #eee;
}

.section-header h5 {
  font-size: 18px;
  font-weight: 600;
  color: #333;
  margin: 0;
}

.badge {
  background: #667eea;
  color: #fff;
  padding: 4px 12px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 600;
}

/* Table */
.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead th {
  background: #f8f9fa;
  padding: 12px;
  text-align: left;
  font-size: 13px;
  font-weight: 600;
  color: #666;
  border-bottom: 2px solid #dee2e6;
}

.table tbody td {
  padding: 12px;
  border-bottom: 1px solid #eee;
  font-size: 14px;
}

.table tbody tr:hover {
  background: #f8f9fa;
}

.table code {
  background: #f5f5f5;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  color: #666;
}

.table .empty {
  text-align: center;
  color: #999;
  padding: 40px;
}

/* Buttons */
.btn {
  padding: 6px 12px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-sm {
  padding: 4px 10px;
  font-size: 13px;
}

.btn-success {
  background: #28a745;
  color: #fff;
}

.btn-success:hover {
  background: #218838;
}

.btn-danger {
  background: #dc3545;
  color: #fff;
}

.btn-danger:hover {
  background: #c82333;
}

.btn-primary {
  background: #007bff;
  color: #fff;
}

.btn-primary:hover {
  background: #0056b3;
}

.btn-warning {
  background: #ffc107;
  color: #333;
}

.btn-warning:hover {
  background: #e0a800;
}

.btn-secondary {
  background: #6c757d;
  color: #fff;
}

.btn-secondary:hover {
  background: #5a6268;
}

/* Alert */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}

.alert-success {
  background: #d4edda;
  color: #155724;
  border-left: 4px solid #28a745;
}

.alert-danger {
  background: #f8d7da;
  color: #721c24;
  border-left: 4px solid #dc3545;
}

.alert-warning {
  background: #fff3cd;
  color: #856404;
  border-left: 4px solid #ffc107;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}

.modal.show {
  display: flex;
}

.modal-dialog {
  width: 90%;
  max-width: 500px;
}

.modal-content {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
}

.modal-header {
  background: #667eea;
  color: #fff;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h5 {
  margin: 0;
  font-size: 18px;
}

.modal-header .close {
  background: none;
  border: none;
  color: #fff;
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  padding: 16px 20px;
  background: #f8f9fa;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
  .stats {
    grid-template-columns: 1fr;
  }
  
  .table {
    font-size: 12px;
  }
  
  .section-card {
    padding: 16px;
  }
}