/**
 * Top Navigation Model Selector Styles
 * Clinical invoice-like design with robot icon trigger
 */

.top-nav-model-selector {
  position: relative;
  z-index: 1000;
}

/* Header styles - simplified to logo left, icons right */
.app-header {
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 20px !important;
}

.header-left {
  flex-shrink: 0;
}

.header-right {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Header - Robot Icon Trigger */
.model-selector-header {
  cursor: pointer;
  padding: 8px 12px;
  background: transparent;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
  user-select: none;
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
}

.model-selector-header:hover {
  background: rgba(74, 144, 226, 0.15);
  transform: scale(1.05);
}

.model-selector-header .header-text {
  display: flex;
  align-items: center;
  gap: 8px;
}

.model-selector-header .model-icon {
  font-size: 24px;
  line-height: 1;
  color: var(--primary);
  flex-shrink: 0;
}

.model-selector-header .header-labels {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.model-selector-header .model-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  line-height: 1;
}

.model-selector-header .current-selection {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  white-space: nowrap;
  line-height: 1;
}

/* Dropdown - Invoice-like Layout */
.model-selector-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: 700px;
  max-height: 85vh;
  background: var(--bg-primary);
  border: 2px solid var(--border);
  border-radius: 4px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  animation: dropdownSlideIn 0.2s ease;
}

@keyframes dropdownSlideIn {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.dropdown-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--bg-secondary);
  border-bottom: 2px solid var(--border);
}

.dropdown-header h3 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.close-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 18px;
  width: 28px;
  height: 28px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.close-btn:hover {
  background: var(--bg-hover);
  border-color: var(--text-primary);
  color: var(--text-primary);
}

/* Invoice Summary - Two Column Layout */
.invoice-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border-bottom: 2px solid var(--border);
}

.invoice-left,
.invoice-right {
  padding: 20px;
}

.invoice-left {
  border-right: 1px solid var(--border);
}

.section-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 6px;
}

/* Current Model Info */
.model-name-large {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}

.model-details-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.detail-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.4;
}

.detail-row .label {
  color: var(--text-muted);
  font-weight: 500;
}

.detail-row .value {
  color: var(--text-primary);
  font-weight: 600;
  text-align: right;
}

.detail-row .value.mono {
  font-family: 'Courier New', monospace;
  font-size: 11px;
  font-weight: 400;
}

/* Credits Info */
.credits-loading {
  text-align: center;
  padding: 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.credits-loading .spinner {
  display: inline-block;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.credits-unavailable {
  text-align: center;
  padding: 12px 0;
}

.credit-text-muted {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.credit-hint {
  font-size: 11px;
  color: var(--text-muted);
  opacity: 0.7;
}

.credit-amount-large {
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 4px;
}

.credit-sublabel {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.credit-breakdown-rows {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.credit-updated {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 12px;
  text-align: right;
  font-style: italic;
}

/* Sort Tabs */
.sort-tabs {
  display: flex;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
}

.sort-tab {
  flex: 1;
  padding: 12px 16px;
  background: none;
  border: none;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  border-bottom: 2px solid transparent;
}

.sort-tab:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.sort-tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: var(--bg-primary);
}

/* Model List */
.model-list {
  max-height: 400px;
  overflow-y: auto;
  padding: 8px;
  background: var(--bg-primary);
}

.model-list::-webkit-scrollbar {
  width: 8px;
}

.model-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

.model-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}

.model-list::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.loading,
.no-models,
.error {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
  font-size: 13px;
}

.error {
  color: #dc3545;
}

/* Model Item */
.model-item {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.model-item:hover {
  border-color: var(--primary);
  background: var(--bg-hover);
  transform: translateX(2px);
}

.model-item.selected {
  border-color: var(--primary);
  border-width: 2px;
  background: rgba(74, 144, 226, 0.08);
  padding: 11px; /* Compensate for thicker border */
}

.model-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.model-item-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.free-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 10px;
  font-weight: 700;
  color: #28a745;
  background: rgba(40, 167, 69, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid rgba(40, 167, 69, 0.3);
  letter-spacing: 0.5px;
}

.model-item-price {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
}

.model-item-details {
  padding: 8px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.model-detail {
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
  display: flex;
  justify-content: space-between;
}

.model-detail:last-child {
  margin-bottom: 0;
}

.detail-label {
  font-weight: 600;
}

.detail-value {
  color: var(--text-primary);
}

.model-item-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.model-id {
  font-size: 10px;
  color: var(--text-muted);
  font-family: 'Courier New', monospace;
}

.selected-badge {
  font-size: 11px;
  font-weight: 700;
  color: #28a745;
}

/* Responsive */
@media (max-width: 768px) {
  .model-selector-dropdown {
    width: 95vw;
    right: 50%;
    transform: translateX(50%);
  }
  
  .invoice-summary {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   Target Platform Styles
   ============================================ */

.target-platform-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.platform-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.platform-item:hover {
  background: rgba(74, 144, 226, 0.1);
  border-color: var(--primary);
}

.platform-item.selected {
  background: rgba(74, 144, 226, 0.15);
  border-color: var(--primary);
  border-width: 2px;
  padding: 11px; /* Compensate for thicker border */
}

.platform-icon {
  font-size: 24px;
  flex-shrink: 0;
  line-height: 1;
}

.platform-info {
  flex: 1;
}

.platform-name {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.platform-desc {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.3;
}

.platform-check {
  color: var(--border);
  font-size: 18px;
  flex-shrink: 0;
  transition: color 0.2s ease;
}

.platform-item.selected .platform-check {
  color: var(--primary);
}