/* ============================================================================
   EDITOR STYLES - Types, Events, Globals, Trader, Config Editors
   DayZ Server Manager Pro v3.0
   ============================================================================ */

/* ---- Editor Layout ---- */
.editor-layout {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 120px);
  animation: pageEnter 0.25s ease;
}

/* ---- Toolbar ---- */
.editor-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  flex-wrap: wrap;
  position: relative;
  z-index: 5;
  box-shadow: var(--shadow-inset);
}

.editor-toolbar .toolbar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.editor-toolbar .toolbar-separator {
  width: 1px;
  height: 24px;
  background: var(--border);
  margin: 0 6px;
  flex-shrink: 0;
}

.editor-toolbar .search-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 7px 14px 7px 34px;
  border-radius: var(--radius-md);
  font-size: 13px;
  width: 220px;
  outline: none;
  transition: all var(--transition-base);
  font-family: var(--font-sans);
}

.editor-toolbar .search-input::placeholder {
  color: var(--text-muted);
}

.editor-toolbar .search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
  width: 280px;
}

.toolbar-search-wrapper {
  position: relative;
}

.toolbar-search-wrapper .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}

.editor-toolbar .filter-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 7px 30px 7px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  outline: none;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--transition-base);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%238888a0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.editor-toolbar .filter-select:hover {
  border-color: var(--border-hover);
}

.editor-toolbar .filter-select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* View toggle */
.view-toggle {
  display: inline-flex;
  padding: 2px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.view-toggle .view-btn {
  padding: 5px 10px;
  font-size: 12px;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-xs);
  transition: all var(--transition-base);
  font-family: var(--font-sans);
  display: flex;
  align-items: center;
  gap: 4px;
}

.view-toggle .view-btn:hover {
  color: var(--text-primary);
}

.view-toggle .view-btn.active {
  background: var(--bg-card);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

/* Toolbar item count */
.toolbar-count {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
  white-space: nowrap;
}

.toolbar-count strong {
  color: var(--accent);
  font-weight: 650;
}

/* ---- Data Table (Editor) ---- */
.data-table-wrapper {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background: var(--bg-card);
  position: relative;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

.data-table th {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  padding: 10px 14px;
  text-align: left;
  font-weight: 650;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color var(--transition-base);
  position: relative;
}

.data-table th:hover {
  color: var(--accent);
}

.data-table th.sorted {
  color: var(--accent);
}

.data-table th .sort-icon {
  margin-left: 5px;
  opacity: 0.3;
  font-size: 10px;
  transition: opacity var(--transition-base), color var(--transition-base);
}

.data-table th:hover .sort-icon {
  opacity: 0.6;
}

.data-table th.sorted .sort-icon {
  opacity: 1;
  color: var(--accent);
}

.data-table th.sort-asc .sort-icon::after { content: '\25B2'; }
.data-table th.sort-desc .sort-icon::after { content: '\25BC'; }

.data-table td {
  padding: 9px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
  transition: background var(--transition-fast);
}

.data-table tbody tr {
  transition: background var(--transition-fast);
}

.data-table tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.01);
}

.data-table tbody tr:hover td {
  background: rgba(255, 255, 255, 0.035);
}

.data-table tr.selected td {
  background: var(--accent-dim);
}

/* Inline Edit Cell */
.data-table .editable-cell {
  cursor: text;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  min-width: 50px;
  position: relative;
}

.data-table .editable-cell:hover {
  background: var(--bg-tertiary);
  box-shadow: inset 0 0 0 1px var(--border);
}

.data-table .editable-cell.editing {
  background: var(--bg-input);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.data-table .editable-cell input,
.data-table .editable-cell select {
  background: var(--bg-input);
  border: 1px solid var(--accent);
  color: var(--text-primary);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 100%;
  outline: none;
  font-family: var(--font-sans);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ---- Pagination ---- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.pagination .page-info {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0 16px;
}

.pagination .page-info strong {
  color: var(--text-primary);
}

.pagination .page-btn {
  padding: 6px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font-sans);
  transition: all var(--transition-base);
  font-variant-numeric: tabular-nums;
}

.pagination .page-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.pagination .page-btn.active {
  background: var(--accent);
  color: var(--text-inverse);
  border-color: var(--accent);
  font-weight: 600;
}

.pagination .page-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
}

.pagination .page-size-select {
  margin-left: 16px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  cursor: pointer;
  font-family: var(--font-sans);
}

/* ---- Flag System ---- */
.flag-toggle {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 11px;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.flag-toggle:hover {
  transform: scale(1.06);
}

.flag-toggle:active {
  transform: scale(0.98);
}

.flag-toggle.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: rgba(0, 255, 136, 0.2);
}

.flag-toggle.inactive {
  background: var(--danger-dim);
  color: var(--danger);
  border-color: rgba(239, 68, 68, 0.15);
}

.flag-toggle.neutral {
  background: rgba(136, 136, 160, 0.08);
  color: var(--text-secondary);
}

/* Usage / Value Badges */
.badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.type-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.03em;
  transition: all var(--transition-fast);
}

.type-badge:hover {
  transform: scale(1.08);
  filter: brightness(1.1);
}

/* DayZ location usage badges */
.type-badge.usage-Coast      { background: rgba(59, 130, 246, 0.12);  color: #60a5fa; }
.type-badge.usage-Farm       { background: rgba(16, 185, 129, 0.12); color: #34d399; }
.type-badge.usage-Military   { background: rgba(239, 68, 68, 0.12);  color: #f87171; }
.type-badge.usage-Police     { background: rgba(99, 102, 241, 0.12); color: #818cf8; }
.type-badge.usage-Hunting    { background: rgba(245, 158, 11, 0.12); color: #fbbf24; }
.type-badge.usage-Town       { background: rgba(168, 85, 247, 0.12); color: #c084fc; }
.type-badge.usage-Village    { background: rgba(120, 86, 68, 0.15);  color: #b09080; }
.type-badge.usage-Industrial { background: rgba(100, 116, 139, 0.12); color: #94a3b8; }
.type-badge.usage-Medic      { background: rgba(236, 72, 153, 0.12); color: #f472b6; }
.type-badge.usage-Firefighter { background: rgba(249, 115, 22, 0.12); color: #fb923c; }
.type-badge.usage-Prison     { background: rgba(148, 163, 184, 0.10); color: #94a3b8; }
.type-badge.usage-School     { background: rgba(6, 182, 212, 0.12);  color: #22d3ee; }

/* Tier value badges */
.type-badge.value-Tier1 { background: rgba(16, 185, 129, 0.12); color: #34d399; }
.type-badge.value-Tier2 { background: rgba(59, 130, 246, 0.12); color: #60a5fa; }
.type-badge.value-Tier3 { background: rgba(245, 158, 11, 0.12); color: #fbbf24; }
.type-badge.value-Tier4 { background: rgba(239, 68, 68, 0.12);  color: #f87171; }

/* ---- Rarity Coloring ---- */
.rarity-abundant,
.rarity-common {
  border-left: 3px solid #94a3b8;
}

.rarity-uncommon {
  border-left: 3px solid #34d399;
}

.rarity-rare {
  border-left: 3px solid #60a5fa;
}

.rarity-very-rare {
  border-left: 3px solid #c084fc;
}

.rarity-legendary {
  border-left: 3px solid #fbbf24;
  position: relative;
}

.rarity-legendary::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, #fbbf24, #f59e0b, #fbbf24);
  animation: shimmerVertical 2s infinite;
}

@keyframes shimmerVertical {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Rarity text colors */
.rarity-text-abundant  { color: #94a3b8; }
.rarity-text-common    { color: #94a3b8; }
.rarity-text-uncommon  { color: #34d399; }
.rarity-text-rare      { color: #60a5fa; }
.rarity-text-very-rare { color: #c084fc; }
.rarity-text-legendary { color: #fbbf24; }

/* ---- Code Editor Area ---- */
.code-editor-wrapper {
  flex: 1;
  display: flex;
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow: hidden;
  position: relative;
}

.line-numbers {
  background: var(--bg-tertiary);
  color: var(--text-dim);
  padding: 14px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  text-align: right;
  min-width: 56px;
  user-select: none;
  border-right: 1px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
}

.line-numbers .line-num {
  display: block;
  transition: color var(--transition-fast);
}

.line-numbers .line-num:hover {
  color: var(--text-secondary);
}

.line-numbers .line-num.active {
  color: var(--accent);
  font-weight: 600;
}

.code-textarea {
  flex: 1;
  background: var(--bg-card);
  color: var(--text-primary);
  border: none;
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  resize: none;
  outline: none;
  tab-size: 2;
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}

.code-textarea:focus {
  background: rgba(20, 20, 30, 0.95);
}

/* Syntax highlighting classes */
.syntax-tag     { color: #f87171; }
.syntax-attr    { color: #fbbf24; }
.syntax-value   { color: #34d399; }
.syntax-comment { color: var(--text-muted); font-style: italic; }
.syntax-string  { color: #a78bfa; }
.syntax-number  { color: #60a5fa; }
.syntax-keyword { color: #f472b6; }
.syntax-bool    { color: #fb923c; }

/* ---- Config Form ---- */
.config-form {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 18px;
  padding: 24px;
}

.config-group {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.config-group:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-sm);
}

.config-group-header {
  padding: 14px 18px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  font-weight: 650;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-group-header .group-icon {
  color: var(--accent);
  font-size: 14px;
}

.config-group-body {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.config-field {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.config-field:last-child {
  border-bottom: none;
}

.config-field:hover {
  background: rgba(255, 255, 255, 0.01);
  margin: 0 -18px;
  padding-left: 18px;
  padding-right: 18px;
  border-radius: var(--radius-sm);
}

.config-field .field-label {
  font-size: 13px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
}

.config-field .field-desc {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
  line-height: 1.4;
}

.config-field .field-input {
  width: 140px;
  flex-shrink: 0;
}

.config-field .field-input input,
.config-field .field-input select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-primary);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-family: var(--font-sans);
  outline: none;
  transition: all var(--transition-base);
}

.config-field .field-input input:focus,
.config-field .field-input select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* Range slider with value */
.config-range {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 200px;
}

.config-range input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  outline: none;
}

.config-range input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--bg-primary);
  box-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
  transition: all var(--transition-base);
}

.config-range input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

.config-range .range-value {
  font-size: 12px;
  font-weight: 650;
  color: var(--accent);
  min-width: 40px;
  text-align: center;
  font-family: var(--font-mono);
}

/* Toggle Switch (editor specific) */
.toggle-switch {
  position: relative;
  width: 40px;
  height: 22px;
  cursor: pointer;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-switch .slider {
  position: absolute;
  inset: 0;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 11px;
  transition: all var(--transition-base);
}

.toggle-switch .slider::before {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  left: 2px;
  top: 2px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all 0.25s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toggle-switch input:checked + .slider {
  background: var(--accent);
  border-color: var(--accent);
}

.toggle-switch input:checked + .slider::before {
  transform: translateX(18px);
  background: var(--text-inverse);
  box-shadow: 0 0 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:focus-visible + .slider {
  box-shadow: 0 0 0 3px var(--accent-dim);
}

/* ---- Split View ---- */
.split-view {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.split-view .split-left,
.split-view .split-right {
  flex: 1;
  overflow: auto;
  min-width: 0;
}

.split-view .split-divider {
  width: 5px;
  background: var(--border);
  cursor: col-resize;
  flex-shrink: 0;
  transition: background var(--transition-base);
  position: relative;
}

.split-view .split-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 3px;
  height: 32px;
  background: var(--text-muted);
  border-radius: 2px;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.split-view .split-divider:hover {
  background: var(--accent);
}

.split-view .split-divider:hover::after {
  opacity: 1;
  background: var(--accent);
}

/* ---- File Tree (Editor Sidebar) ---- */
.editor-file-tree {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow-y: auto;
  padding: 8px 0;
}

.file-tree-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  font-size: 13px;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all var(--transition-base);
  border-radius: 0;
  border-left: 2px solid transparent;
}

.file-tree-item:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
}

.file-tree-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  border-left-color: var(--accent);
}

.file-tree-item .tree-icon {
  width: 16px;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: color var(--transition-base);
}

.file-tree-item.folder .tree-icon {
  color: var(--warning);
}

.file-tree-item.file .tree-icon {
  color: var(--text-muted);
}

.file-tree-indent {
  display: inline-block;
}

.file-tree-indent-1 { padding-left: 16px; }
.file-tree-indent-2 { padding-left: 32px; }
.file-tree-indent-3 { padding-left: 48px; }
.file-tree-indent-4 { padding-left: 64px; }

.file-tree-expand {
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-muted);
  transition: transform 0.2s ease, color var(--transition-base);
  flex-shrink: 0;
}

.file-tree-expand:hover {
  color: var(--text-primary);
}

.file-tree-expand.expanded {
  transform: rotate(90deg);
}

/* ---- Trader Grid ---- */
.trader-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  padding: 20px;
}

.trader-item-card {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.trader-item-card:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.trader-item-card .item-name {
  font-weight: 650;
  color: var(--text-primary);
  font-size: 14px;
  letter-spacing: -0.01em;
}

.trader-item-card .item-classname {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.trader-item-card .item-prices {
  display: flex;
  gap: 16px;
  font-size: 13px;
}

.trader-item-card .price-buy {
  color: var(--accent);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.trader-item-card .price-buy::before {
  content: '\25B2';
  font-size: 8px;
}

.trader-item-card .price-sell {
  color: var(--warning);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.trader-item-card .price-sell::before {
  content: '\25BC';
  font-size: 8px;
}

.trader-item-card .item-stock {
  font-size: 12px;
  color: var(--text-secondary);
}

.trader-category-header {
  grid-column: 1 / -1;
  padding: 14px 0 6px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Import/Export Buttons ---- */
.import-export-bar {
  display: flex;
  gap: 8px;
  align-items: center;
}

.btn-import,
.btn-export {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-import .file-type-icon,
.btn-export .file-type-icon {
  font-size: 14px;
  opacity: 0.8;
}

/* ---- Breadcrumbs ---- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--text-secondary);
  padding: 10px 0;
  flex-wrap: wrap;
}

.breadcrumb-item {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-base);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: var(--radius-xs);
}

.breadcrumb-item:hover {
  color: var(--accent);
  background: var(--accent-dim);
}

.breadcrumb-item.active {
  color: var(--text-primary);
  font-weight: 550;
  cursor: default;
  background: none;
}

.breadcrumb-item.active:hover {
  background: none;
}

.breadcrumb-separator {
  color: var(--text-dim);
  font-size: 11px;
}

.breadcrumb-separator::after {
  content: '/';
}

/* ---- Diff View ---- */
.diff-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.diff-panel {
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
}

.diff-panel-header {
  padding: 8px 14px;
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border);
  font-size: 12px;
  font-weight: 650;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 6px;
}

.diff-panel:first-child {
  border-right: 1px solid var(--border);
}

.diff-panel:first-child .diff-panel-header {
  color: var(--danger);
}

.diff-panel:last-child .diff-panel-header {
  color: var(--success);
}

.diff-line {
  display: flex;
  padding: 1px 12px;
  min-height: 22px;
  transition: background var(--transition-fast);
}

.diff-line-num {
  width: 44px;
  text-align: right;
  padding-right: 12px;
  color: var(--text-dim);
  user-select: none;
  flex-shrink: 0;
  font-variant-numeric: tabular-nums;
}

.diff-line-content {
  flex: 1;
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-line.added {
  background: rgba(16, 185, 129, 0.06);
}

.diff-line.added .diff-line-content {
  color: #34d399;
}

.diff-line.added .diff-line-num {
  color: rgba(16, 185, 129, 0.5);
}

.diff-line.removed {
  background: rgba(239, 68, 68, 0.06);
}

.diff-line.removed .diff-line-content {
  color: #f87171;
}

.diff-line.removed .diff-line-num {
  color: rgba(239, 68, 68, 0.5);
}

.diff-line.unchanged {
  color: var(--text-secondary);
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .config-form {
    grid-template-columns: 1fr;
  }

  .trader-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  .diff-view {
    grid-template-columns: 1fr;
  }

  .diff-panel:first-child {
    border-right: none;
    border-bottom: 1px solid var(--border);
  }
}

@media (max-width: 768px) {
  .editor-toolbar {
    padding: 8px 12px;
    gap: 6px;
  }

  .editor-toolbar .search-input {
    width: 100%;
  }

  .editor-toolbar .search-input:focus {
    width: 100%;
  }

  .split-view {
    flex-direction: column;
  }

  .split-view .split-divider {
    width: 100%;
    height: 5px;
    cursor: row-resize;
  }

  .trader-grid {
    grid-template-columns: 1fr;
  }

  .config-range {
    width: 160px;
  }

  .config-field {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .config-field .field-input {
    width: 100%;
  }
}

/* ============================================================================
   INSTANCE TAB BUTTONS
   ============================================================================ */

.inst-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  overflow-x: auto;
}

.inst-tab-btn {
  padding: 10px 20px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  flex-shrink: 0;
}

.inst-tab-btn:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.inst-tab-btn.active {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.25);
}

.inst-tab-content {
  animation: pageEnter 0.2s ease;
}

.inst-tab-panel .form-group {
  margin-bottom: 16px;
}

.inst-tab-panel .form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.inst-tab-panel .form-group input,
.inst-tab-panel .form-group select,
.inst-tab-panel .form-group textarea {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.875rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.inst-tab-panel .form-group input:focus,
.inst-tab-panel .form-group select:focus,
.inst-tab-panel .form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.inst-tab-panel .form-group .form-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

@media (max-width: 768px) {
  .inst-tabs {
    gap: 1px;
  }
  .inst-tab-btn {
    padding: 8px 14px;
    font-size: 0.75rem;
  }
}