/* ============================================
   APEX NATIONWIDE CRM - DESIGN SYSTEM
   Modern, consistent design for all forms & lists
   ============================================ */

:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-light: #dbeafe;
  
  --color-success: #10b981;
  --color-success-hover: #059669;
  --color-success-light: #d1fae5;
  
  --color-warning: #f59e0b;
  --color-warning-hover: #d97706;
  --color-warning-light: #fef3c7;
  
  --color-danger: #ef4444;
  --color-danger-hover: #dc2626;
  --color-danger-light: #fee2e2;
  
  --color-info: #06b6d4;
  --color-info-hover: #0891b2;
  --color-info-light: #cffafe;
  
  --color-neutral: #6b7280;
  --color-neutral-hover: #4b5563;
  
  /* Background */
  --bg-page: #f9fafb;
  --bg-card: #ffffff;
  --bg-hover: #f3f4f6;
  --bg-selected: #eff6ff;
  
  /* Border */
  --border-color: #e5e7eb;
  --border-radius: 8px;
  --border-radius-sm: 4px;
  --border-radius-lg: 12px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 20px;
  
  /* Transitions */
  --transition: all 0.2s ease;
}

/* ========== LAYOUT ========== */

.crm-page-wrapper {
  min-height: 100vh;
  background: var(--bg-page);
  padding: var(--spacing-lg);
}

.crm-container {
  max-width: 1400px;
  margin: 0 auto;
}

.crm-card {
  background: var(--bg-card);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

/* ========== LIST HEADER ========== */

.list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.list-title h4 {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: #111827;
}

.list-title .subtitle {
  margin: 4px 0 0 0;
  font-size: var(--font-size-sm);
  color: var(--color-neutral);
}

.list-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ========== BUTTONS ========== */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 16px;
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  line-height: 1;
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-secondary {
  background: white;
  color: var(--color-neutral);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-hover);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover {
  background: var(--color-success-hover);
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--font-size-xs);
}

.btn-icon {
  padding: 8px;
  border-radius: 50%;
}

/* ========== BADGES ========== */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1;
}

.badge-success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.badge-warning {
  background: var(--color-warning-light);
  color: #92400e;
}

.badge-danger {
  background: var(--color-danger-light);
  color: var(--color-danger);
}

.badge-info {
  background: var(--color-info-light);
  color: #0e7490;
}

.badge-neutral {
  background: #f3f4f6;
  color: var(--color-neutral);
}

/* ========== FILTER PANEL ========== */

.filter-panel {
  background: white;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.filter-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: #374151;
  margin-bottom: 6px;
}

.filter-input,
.filter-select {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.filter-input:focus,
.filter-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.filter-actions {
  display: flex;
  gap: var(--spacing-sm);
  justify-content: flex-end;
}

/* ========== DATA TABLE ========== */

.table-wrapper {
  overflow-x: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  background: white;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-sm);
}

.data-table thead {
  background: var(--bg-hover);
  border-bottom: 2px solid var(--border-color);
}

.data-table th {
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  color: #374151;
  white-space: nowrap;
}

.data-table th.sortable {
  cursor: pointer;
  user-select: none;
}

.data-table th.sortable:hover {
  background: #e5e7eb;
}

.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
  background: var(--bg-hover);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* ========== TABLE FOOTER ========== */

.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  background: white;
  font-size: var(--font-size-sm);
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.showing-info {
  color: var(--color-neutral);
}

/* ========== PAGINATION ========== */

.pagination {
  display: flex;
  gap: 4px;
}

.pagination-btn {
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  background: white;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: var(--transition);
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--color-primary);
}

.pagination-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========== LOADING STATE ========== */

.loading-overlay {
  position: relative;
}

.loading-overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.spinner {
  border: 3px solid var(--border-color);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ========== RESPONSIVE ========== */

@media (max-width: 768px) {
  .list-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .filter-grid {
    grid-template-columns: 1fr;
  }
  
  .table-footer {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== UTILITY CLASSES ========== */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.font-bold { font-weight: 600; }
.text-muted { color: var(--color-neutral); }

.mt-md { margin-top: var(--spacing-md); }
.mb-md { margin-bottom: var(--spacing-md); }
.mr-sm { margin-right: var(--spacing-sm); }
.gap-sm { gap: var(--spacing-sm); }

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