/* Cards */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-body {
  padding: 1.25rem;
}
.card-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
}

/* Stat Cards */
.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.stat-card .stat-info {
  flex: 1;
}
.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}
.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
}
.stat-card .stat-change {
  font-size: 0.8rem;
  margin-top: 0.25rem;
}
.stat-card .stat-change.positive {
  color: var(--success);
}
.stat-card .stat-change.negative {
  color: var(--danger);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  line-height: 1.4;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary);
  color: white;
}
.btn-primary:hover {
  background: var(--primary-dark);
}
.btn-secondary {
  background: var(--secondary);
  color: white;
}
.btn-secondary:hover {
  background: #334155;
}
.btn-success {
  background: var(--success);
  color: white;
}
.btn-success:hover {
  opacity: 0.9;
}
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover {
  opacity: 0.9;
}
.btn-warning {
  background: var(--warning);
  color: white;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover {
  background: var(--bg-hover);
  border-color: var(--primary);
  color: var(--primary);
}
.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: 0.8rem;
}
.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}
.btn-icon {
  padding: 0.5rem;
  min-width: 36px;
  justify-content: center;
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}
.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 0.375rem;
}
.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  transition: var(--transition);
  background: white;
  color: var(--text-primary);
}
.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}
.form-control.error {
  border-color: var(--danger);
}
.form-control::placeholder {
  color: var(--text-muted);
}
select.form-control {
  cursor: pointer;
}
textarea.form-control {
  resize: vertical;
  min-height: 80px;
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
}
.data-table th {
  text-align: left;
  padding: 0.75rem 1rem;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  background: var(--bg-body);
}
.data-table td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  font-size: 0.875rem;
}
.data-table tr:hover td {
  background: var(--bg-hover);
}
.data-table .actions {
  display: flex;
  gap: 0.375rem;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-success {
  background: #d1fae5;
  color: #065f46;
}
.badge-warning {
  background: #fef3c7;
  color: #92400e;
}
.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}
.badge-info {
  background: #dbeafe;
  color: #1e40af;
}
.badge-neutral {
  background: #f1f5f9;
  color: #475569;
}
.badge-primary {
  background: #ccfbf1;
  color: #0f766e;
}

.badge-estado-Nuevo {
  background: #dbeafe;
  color: #1e40af;
}
.badge-estado-Contactado {
  background: #fef3c7;
  color: #92400e;
}
.badge-estado-En_gestion {
  background: #f3e8ff;
  color: #6d28d9;
}
.badge-estado-Venta_cargada {
  background: #d1fae5;
  color: #065f46;
}
.badge-estado-Venta_rechazada {
  background: #fee2e2;
  color: #991b1b;
}
.badge-estado-Seguimiento {
  background: #e0f2fe;
  color: #075985;
}
.badge-estado-Cerrado {
  background: #f1f5f9;
  color: #334155;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}
.modal-overlay.active {
  display: flex;
}
.modal {
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
}
.modal-sm {
  max-width: 480px;
}
.modal-md {
  max-width: 640px;
}
.modal-lg {
  max-width: 860px;
}
.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.modal-header h3 {
  font-size: 1.1rem;
}
.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0;
  line-height: 1;
}
.modal-close:hover {
  color: var(--text-primary);
}
.modal-body {
  padding: 1.5rem;
}
.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Tabs */
.tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
}
.tab {
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}
.tab:hover {
  color: var(--text-primary);
}
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Tabs content */
.tab-content {
  display: none;
}
.tab-content.active {
  display: block;
}

/* Toast */
.toast {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2000;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 300px;
  animation: slideIn 0.3s ease;
  font-size: 0.9rem;
}
.toast-success {
  background: #d1fae5;
  color: #065f46;
  border-left: 4px solid var(--success);
}
.toast-error {
  background: #fee2e2;
  color: #991b1b;
  border-left: 4px solid var(--danger);
}
.toast-warning {
  background: #fef3c7;
  color: #92400e;
  border-left: 4px solid var(--warning);
}
.toast-info {
  background: #dbeafe;
  color: #1e40af;
  border-left: 4px solid var(--info);
}
@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* Loading */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  color: var(--text-muted);
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Detail Grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.detail-item .detail-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
  margin-bottom: 0.25rem;
}
.detail-item .detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.pagination button {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: white;
  cursor: pointer;
}
.pagination button:hover {
  background: var(--bg-hover);
}
.pagination button.active {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.pagination button:disabled {
  opacity: 0.5;
  cursor: default;
}
.pagination .page-info {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
}
.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.empty-state h3 {
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

/* Form Row */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}