/* Cards */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
  overflow: hidden;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.card-header {
  background: linear-gradient(135deg, var(--light-bg) 0%, #f1f5f9 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.card-body {
  padding: 21px;
}

.card-title {
  color: var(--text-primary);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card-text {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Buttons */
.btn {
  font-weight: 500;
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn:before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.btn:hover:before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-secondary {
  background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, #4b5563 0%, #374151 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-success:hover {
  background: linear-gradient(135deg, #059669 0%, #047857 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-warning:hover {
  background: linear-gradient(135deg, #d97706 0%, #b45309 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%);
  color: white;
  box-shadow: var(--shadow-md);
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  color: white;
}

.btn-outline-primary {
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-secondary {
  border: 2px solid var(--text-secondary);
  color: var(--text-secondary);
  background: transparent;
}

.btn-outline-secondary:hover {
  background: var(--text-secondary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline-danger {
  border: 2px solid var(--danger-color);
  color: var(--danger-color);
  background: transparent;
}

.btn-outline-danger:hover {
  background: var(--danger-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Forms */
.form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.form-control,
.form-select {
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  font-size: 1rem;
  background: var(--card-bg);
  color: var(--text-primary);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(79, 70, 229, 0.25);
  background: var(--card-bg);
  color: var(--text-primary);
}

.form-control::placeholder {
  color: var(--text-muted);
}

/* Alerts */
.alert {
  border-radius: var(--border-radius-lg);
  border: none;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
}

.alert-success {
  background: linear-gradient(135deg, #d1fae5 0%, #a7f3d0 100%);
  color: #065f46;
  border-left: 4px solid var(--success-color);
}

.alert-danger {
  background: linear-gradient(135deg, #fecaca 0%, #fca5a5 100%);
  color: #991b1b;
  border-left: 4px solid var(--danger-color);
}

.alert-warning {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  color: #92400e;
  border-left: 4px solid var(--warning-color);
}

.alert-info {
  background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
  color: #1e40af;
  border-left: 4px solid var(--accent-color);
}

/* Tables */
.table {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table th {
  background: var(--light-bg);
  color: var(--text-primary);
  font-weight: 600;
  border-bottom: 2px solid var(--border-color);
  padding: 1rem;
}

.table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.table-striped tbody tr:nth-of-type(odd) {
  background: rgba(248, 250, 252, 0.5);
}

.table-hover tbody tr:hover {
  background: var(--light-bg);
  transform: scale(1.01);
  transition: all 0.3s ease;
}

/* Badges */
.badge {
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--border-radius);
  font-size: 0.875rem;
}

.bg-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%) !important;
}

.bg-success {
  background: linear-gradient(135deg, var(--success-color) 0%, #059669 100%) !important;
}

.bg-warning {
  background: linear-gradient(135deg, var(--warning-color) 0%, #d97706 100%) !important;
}

.bg-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #dc2626 100%) !important;
}