/* Custom styles for Zero HQ */

.sidebar {
  min-height: 100vh;
  background: linear-gradient(180deg, #343a40 0%, #495057 100%);
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar .nav-link {
  color: #adb5bd;
  padding: 12px 20px;
  border-radius: 8px;
  margin: 2px 8px;
  transition: all 0.3s ease;
}

.sidebar .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateX(5px);
}

.sidebar .nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, #007bff, #0056b3);
  box-shadow: 0 2px 10px rgba(0, 123, 255, 0.3);
}

.card-stat {
  border: none;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease;
}

.card-stat:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.btn {
  border-radius: 8px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.login-card {
  border: none;
  border-radius: 20px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.brand-logo {
  background: linear-gradient(135deg, #667eea, #764ba2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Loading animations */
.spinner-border {
  color: #007bff;
}

/* Custom alerts */
.alert {
  border: none;
  border-radius: 10px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Table improvements */
.table {
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.table thead th {
  background: linear-gradient(135deg, #f8f9fa, #e9ecef);
  border: none;
  font-weight: 600;
  color: #495057;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .main-content {
    margin-left: 0;
  }

  .card-stat {
    margin-bottom: 1rem;
  }
}