/* =============================================
   CSS Custom Properties — Dark Theme
   ============================================= */
:root {
  --color-bg:         #192030;
  --color-surface:    #253245;
  --color-surface-el: #2d3f54;
  --color-accent:     #1d9898;
  --color-accent-dim: #147070;
  --color-text:       #d8e8e8;
  --color-text-sec:   #7a94a8;
  --color-border:     #2d3f54;
  --color-highlight:  #e07a72;
  --color-error:      #cb3358;
  --color-success:    #4ab8a8;
  --color-badge-bg:   #1a4f60;

  --sidebar-width:    220px;
  --item-panel-width: 280px;
  --header-height:    56px;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', Consolas, 'Courier New', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  --transition: 150ms ease;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.5;
}

ul {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

input {
  font-family: inherit;
  font-size: inherit;
}

mark {
  background: var(--color-highlight);
  color: #1a1a1a;
  border-radius: 2px;
  padding: 0 1px;
}

.hidden {
  display: none !important;
}

/* =============================================
   Drop Overlay
   ============================================= */
.drop-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

.drop-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 60px 80px;
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  text-align: center;
  transition: border-color var(--transition), background var(--transition);
  max-width: 520px;
  width: 90%;
}

.drop-zone.drag-over {
  border-color: var(--color-accent);
  background: rgba(29, 152, 152, 0.06);
}

.drop-icon {
  font-size: 56px;
  line-height: 1;
  margin-bottom: 8px;
}

.drop-zone h2 {
  font-size: 22px;
  font-weight: 600;
  color: var(--color-text);
}

.drop-zone p {
  color: var(--color-text-sec);
  font-size: 14px;
}

.drop-sub {
  color: var(--color-text-sec) !important;
  font-size: 12px !important;
  margin: -4px 0;
}

.file-btn {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-accent);
  color: #0e1e1e;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.file-btn:hover {
  background: var(--color-accent-dim);
  transform: translateY(-1px);
}

.drop-hint {
  font-size: 12px !important;
  color: var(--color-surface-el) !important;
  margin-top: 8px;
}

/* Loading state */
.drop-overlay.loading .drop-zone {
  border-color: var(--color-accent);
}

.loading-msg {
  color: var(--color-accent);
  font-weight: 500;
}

/* Error state */
.error-msg {
  color: var(--color-error);
  font-size: 13px;
  max-width: 360px;
}

/* =============================================
   App Shell
   ============================================= */
.app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* =============================================
   Header
   ============================================= */
.header {
  height: var(--header-height);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  flex-shrink: 0;
  z-index: 10;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: var(--sidebar-width);
  flex-shrink: 0;
}

.app-logo {
  color: var(--color-accent);
  font-size: 18px;
}

.app-title {
  font-weight: 700;
  font-size: 15px;
  white-space: nowrap;
  color: var(--color-text);
}

.file-badge {
  background: var(--color-badge-bg);
  color: #a8dcdc;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  max-width: 160px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.header-center {
  flex: 1;
  display: flex;
  justify-content: center;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reload-btn {
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-sec);
  font-size: 13px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.reload-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-sec);
}

.home-btn {
  padding: 4px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-sec);
  font-size: 12px;
  transition: color var(--transition), border-color var(--transition);
  white-space: nowrap;
}

.home-btn:hover {
  color: var(--color-text);
  border-color: var(--color-text-sec);
}

/* =============================================
   Search
   ============================================= */
.search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.global-search-wrapper {
  width: min(480px, 100%);
}

.scoped-search-wrapper {
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 10px;
  color: var(--color-text-sec);
  font-size: 13px;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 6px 32px 6px 30px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}

.search-input:focus {
  border-color: var(--color-accent);
}

.search-input::placeholder {
  color: var(--color-text-sec);
}

.search-clear {
  position: absolute;
  right: 8px;
  color: var(--color-text-sec);
  font-size: 16px;
  line-height: 1;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  transition: color var(--transition);
}

.search-clear:hover {
  color: var(--color-text);
}

/* =============================================
   Three-Column Layout
   ============================================= */
.columns {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* =============================================
   Sidebar
   ============================================= */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  background: var(--color-surface);
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  padding: 8px 0;
}

/* =============================================
   File Strip
   ============================================= */
.file-strip {
  border-bottom: 1px solid var(--color-border);
  padding: 6px 0 4px;
}

.file-strip-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
  padding: 0 12px 4px;
  text-transform: uppercase;
}

.file-strip-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}

.file-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  color: var(--color-text-sec);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  text-align: left;
  width: 100%;
  border: none;
  background: none;
  font-family: inherit;
  overflow: hidden;
}

.file-pill:hover {
  background: var(--color-surface-el);
  color: var(--color-text);
}

.file-pill-active {
  background: rgba(29, 152, 152, 0.12);
  color: var(--color-accent);
}

.file-pill-icon {
  font-size: 12px;
  flex-shrink: 0;
}

.file-pill-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
  min-width: 0;
}

.sidebar-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
  padding: 8px 16px 4px;
  text-transform: uppercase;
}

.nav-list {
  padding: 4px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
  color: var(--color-text-sec);
  position: relative;
  user-select: none;
}

.nav-item:hover {
  background: var(--color-surface-el);
  color: var(--color-text);
}

.nav-item.active {
  background: rgba(29, 152, 152, 0.12);
  color: var(--color-accent);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--color-accent);
  border-radius: 0 2px 2px 0;
}

.nav-icon {
  font-size: 13px;
  width: 16px;
  text-align: center;
  flex-shrink: 0;
}

.nav-label {
  flex: 1;
  font-size: 13px;
  font-weight: 500;
}

.nav-count {
  font-size: 11px;
  background: var(--color-surface-el);
  color: var(--color-text-sec);
  padding: 1px 6px;
  border-radius: 99px;
  font-weight: 600;
  min-width: 20px;
  text-align: center;
}

.nav-item.active .nav-count {
  background: rgba(29, 152, 152, 0.2);
  color: var(--color-accent);
}

/* =============================================
   Resize Handles
   ============================================= */
.resize-handle {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-border);
  cursor: col-resize;
  position: relative;
  z-index: 5;
  transition: background var(--transition);
}

.resize-handle:hover,
.resize-handle.dragging {
  background: var(--color-accent);
}

/* =============================================
   Item Panel
   ============================================= */
.item-panel {
  width: var(--item-panel-width);
  flex-shrink: 0;
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.panel-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.panel-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
}

.panel-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-sec);
}

.sort-btn {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-sec);
  background: var(--color-surface-el);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 7px;
  line-height: 1.4;
  transition: color var(--transition), background var(--transition);
  flex-shrink: 0;
}

.sort-btn:hover {
  color: var(--color-text);
  background: #364e62;
}

.sort-btn.sort-btn-active {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: rgba(29, 152, 152, 0.1);
}

.item-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.item-row {
  padding: 9px 14px;
  cursor: pointer;
  border-left: 3px solid transparent;
  transition: background var(--transition), border-color var(--transition);
  color: var(--color-text-sec);
}

.item-row:hover {
  background: var(--color-surface-el);
  color: var(--color-text);
}

.item-row.selected {
  background: rgba(29, 152, 152, 0.1);
  border-left-color: var(--color-accent);
  color: var(--color-text);
}

.item-row-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-row-sub {
  font-size: 11px;
  color: var(--color-text-sec);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.item-row.selected .item-row-sub {
  color: var(--color-accent);
  opacity: 0.7;
}

/* Empty state */
.item-empty {
  padding: 32px 16px;
  text-align: center;
  color: var(--color-text-sec);
  font-size: 13px;
}

/* =============================================
   Detail Panel
   ============================================= */
.detail-panel {
  flex: 1;
  overflow-y: auto;
  background: var(--color-bg);
  position: relative;
}

.detail-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 12px;
  color: var(--color-text-sec);
}

.detail-placeholder-icon {
  font-size: 40px;
  opacity: 0.2;
}

.detail-placeholder p {
  font-size: 14px;
  opacity: 0.5;
}

.detail-content {
  padding: 24px 28px;
}

/* Detail Header */
.detail-header {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
}

.detail-type-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: rgba(29, 152, 152, 0.12);
  padding: 2px 8px;
  border-radius: 99px;
  margin-bottom: 8px;
}

.detail-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  word-break: break-all;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.detail-meta-item {
  font-size: 12px;
  color: var(--color-text-sec);
}

.detail-meta-item strong {
  color: var(--color-text);
  font-weight: 600;
}

/* Detail Sections */
.detail-section {
  margin-bottom: 24px;
}

.detail-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border);
}

/* Script Steps */
.script-steps {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
}

.step-row {
  display: flex;
  align-items: flex-start;
  gap: 0;
  padding: 1px 0;
  transition: background var(--transition);
  border-radius: var(--radius-sm);
}

.step-row:hover {
  background: var(--color-surface);
}

.step-number {
  font-size: 11px;
  color: var(--color-surface-el);
  min-width: 32px;
  padding-top: 1px;
  user-select: none;
  text-align: right;
  padding-right: 8px;
  flex-shrink: 0;
}

.step-indent {
  display: inline-block;
  flex-shrink: 0;
}

.step-content {
  flex: 1;
  min-width: 0;
}

.step-name {
  color: #5cc8c8;
  font-weight: 500;
  white-space: nowrap;
}

.step-row.step-disabled .step-name,
.step-row.step-disabled .step-params,
.step-row.step-disabled .step-param-value,
.step-row.step-disabled .step-number {
  color: #3d5060;
  font-style: italic;
}

.step-name.step-control {
  color: #e07a72;
}

.step-name.step-comment {
  color: #4a6878;
  font-style: italic;
}

.step-params {
  color: var(--color-text-sec);
  font-size: 12px;
}

.step-param-value {
  color: #d4a860;
}

.script-ref-link {
  color: var(--color-accent);
  cursor: pointer;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 2px;
}

.script-ref-link:hover {
  color: var(--color-text);
}

.script-breadcrumb {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 10px 20px 0;
  flex-wrap: wrap;
}

.breadcrumb-item {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  font-size: 12px;
  font-family: inherit;
  padding: 2px 6px;
  border-radius: 4px;
  white-space: nowrap;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

.breadcrumb-sep {
  color: var(--color-text-sec);
  font-size: 11px;
  user-select: none;
  flex-shrink: 0;
}

.breadcrumb-current {
  font-size: 12px;
  color: var(--color-text-sec);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* Field Grid */
.field-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.field-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 10px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  transition: border-color var(--transition);
}

.field-row:hover {
  border-color: var(--color-accent);
}

.field-row.selected {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, var(--color-surface));
}

.field-type-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
  margin-top: 1px;
}

.field-type-text     { background: #1a404f; color: #5cc8c8; }
.field-type-number   { background: #1a3d35; color: #7dd8c0; }
.field-type-date     { background: #3b2d1a; color: #f0c060; }
.field-type-time     { background: #3b2d1a; color: #f0c060; }
.field-type-timestamp{ background: #3b2d1a; color: #f0c060; }
.field-type-container{ background: #3a1825; color: #f49ab0; }
.field-type-calc     { background: #1a2d3a; color: #70c0d8; }
.field-type-summary  { background: #2a1f1a; color: #f08050; }
.field-type-default  { background: var(--color-surface-el); color: var(--color-text-sec); }

.field-name {
  font-weight: 600;
  font-size: 13px;
  flex: 1;
  word-break: break-all;
}

.field-details {
  font-size: 12px;
  color: var(--color-text-sec);
  margin-top: 2px;
}

.field-formula {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-sec);
  background: var(--color-bg);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  margin-top: 4px;
  white-space: pre-wrap;
  word-break: break-all;
  max-height: 80px;
  overflow-y: auto;
}

/* Relationship Display */
.rel-diagram {
  display: flex;
  align-items: center;
  gap: 0;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  padding: 20px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.rel-table-box {
  flex: 1;
  min-width: 120px;
  text-align: center;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.rel-table-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--color-text);
}

.rel-table-occ {
  font-size: 11px;
  color: var(--color-text-sec);
  margin-top: 2px;
}

.rel-connector {
  text-align: center;
  color: var(--color-text-sec);
  font-size: 18px;
  padding: 0 8px;
}

.join-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.join-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--color-surface);
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.join-field {
  color: #5cc8c8;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

.join-op {
  color: var(--color-accent);
  font-weight: 700;
  flex-shrink: 0;
}

/* Value List */
.vl-item {
  padding: 4px 10px;
  font-size: 13px;
  color: var(--color-text-sec);
  border-bottom: 1px solid var(--color-border);
}

.vl-item:last-child {
  border-bottom: none;
}

/* Formula block */
.formula-block {
  font-family: var(--font-mono);
  font-size: 13px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--color-text-sec);
  line-height: 1.6;
  max-height: 400px;
  overflow-y: auto;
}

/* Property list (accounts, privileges) */
.prop-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.prop-row {
  display: flex;
  gap: 12px;
  font-size: 13px;
  padding: 6px 10px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
}

.prop-key {
  color: var(--color-text-sec);
  min-width: 130px;
  flex-shrink: 0;
}

.prop-val {
  color: var(--color-text);
  min-width: 0;
  word-break: break-word;
  overflow-wrap: break-word;
}

/* Pill / tag */
.tag {
  display: inline-block;
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 99px;
  font-weight: 600;
  margin: 0 2px 2px 0;
}

.tag-blue   { background: #1a404f; color: #5cc8c8; }
.tag-green  { background: #1a3d35; color: #7dd8c0; }
.tag-amber  { background: #3b2d1a; color: #f0c060; }
.tag-purple { background: #3a1825; color: #f49ab0; }
.tag-gray   { background: var(--color-surface-el); color: var(--color-text-sec); }

/* Triggers list */
.trigger-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.trigger-row {
  display: flex;
  gap: 8px;
  font-size: 12px;
  padding: 5px 10px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
}

.trigger-event {
  color: var(--color-accent);
  min-width: 160px;
  flex-shrink: 0;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.trigger-script {
  color: var(--color-text-sec);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Object summary table (layout detail) */
.object-summary {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.object-summary-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 4px 10px;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  font-size: 13px;
}

.object-type {
  color: var(--color-text-sec);
}

.object-count {
  font-weight: 600;
  color: var(--color-text);
  background: var(--color-surface-el);
  padding: 1px 8px;
  border-radius: 99px;
  font-size: 11px;
}

/* Collapsible Object Type Groups */
.obj-type-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  margin-bottom: 4px;
}

.obj-type-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--color-surface);
  cursor: pointer;
  user-select: none;
  transition: background var(--transition);
}

.obj-type-header:hover {
  background: var(--color-surface-el);
}

.obj-chevron {
  font-size: 9px;
  color: var(--color-text-sec);
  width: 12px;
  flex-shrink: 0;
}

.obj-type-name {
  flex: 1;
  font-size: 13px;
  color: var(--color-text);
  font-weight: 500;
}

.obj-count-badge {
  font-weight: 600;
  color: var(--color-text-sec);
  background: var(--color-surface-el);
  padding: 1px 8px;
  border-radius: 99px;
  font-size: 11px;
}

.obj-type-items {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 3px 0;
}

.obj-item-row {
  display: flex;
  align-items: center;
  padding: 5px 10px 5px 30px;
  cursor: pointer;
  font-size: 12px;
  color: var(--color-text-sec);
  transition: background var(--transition), color var(--transition);
  border-left: 2px solid transparent;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.obj-item-row:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.obj-item-row.selected {
  background: rgba(29, 152, 152, 0.08);
  color: var(--color-accent);
  border-left-color: var(--color-accent);
}

/* Object Detail Drawer */
.object-drawer {
  position: fixed;
  top: var(--header-height);
  right: 0;
  width: 320px;
  bottom: 0;
  background: var(--color-surface);
  border-left: 1px solid var(--color-border);
  z-index: 50;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 20px rgba(0, 0, 0, 0.35);
}

.object-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}

.object-drawer-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
}

.object-drawer-close {
  flex-shrink: 0;
  color: var(--color-text-sec);
  font-size: 16px;
  line-height: 1;
  padding: 3px 6px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.object-drawer-close:hover {
  color: var(--color-text);
  background: var(--color-surface-el);
}

.object-drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.drawer-type-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-highlight);
  background: rgba(224, 122, 114, 0.12);
  padding: 3px 10px;
  border-radius: 99px;
  margin-bottom: 14px;
}

@media (max-width: 600px) {
  .object-drawer {
    width: 100%;
  }
}

/* =============================================
   Dashboard
   ============================================= */
.dashboard {
  padding: 4px 0;
}

.dashboard-header {
  margin-bottom: 20px;
}

.dashboard-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 4px;
}

.dashboard-sub {
  font-size: 13px;
  color: var(--color-text-sec);
}

.dashboard-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 10px;
  margin-bottom: 28px;
}

.dashboard-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 18px 12px 14px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  font-family: inherit;
  color: inherit;
}

.dashboard-card:hover {
  background: var(--color-surface-el);
  border-color: var(--color-accent);
  transform: translateY(-1px);
}

.dashboard-card-icon {
  font-size: 20px;
  color: var(--color-accent);
  line-height: 1;
}

.dashboard-card-count {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.dashboard-card-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-sec);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Per-file breakdown table */
.file-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  min-width: 500px;
}

.file-table th {
  padding: 6px 10px;
  text-align: left;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-sec);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}

.file-table td {
  padding: 7px 10px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-sec);
  vertical-align: middle;
}

.file-table-row {
  cursor: pointer;
  transition: background var(--transition);
}

.file-table-row:hover td {
  background: var(--color-surface-el);
  color: var(--color-text);
}

.file-table-name {
  font-weight: 500;
  color: var(--color-text) !important;
  max-width: 200px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* =============================================
   Global Search Results
   ============================================= */
.search-results-header {
  padding: 12px 14px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  font-size: 12px;
  color: var(--color-text-sec);
  flex-shrink: 0;
}

.search-results-header strong {
  color: var(--color-text);
}

.search-results-list {
  flex: 1;
  overflow-y: auto;
}

.search-section-group {
  border-bottom: 1px solid var(--color-border);
}

.search-section-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-sec);
  padding: 8px 14px 4px;
  background: var(--color-surface);
  position: sticky;
  top: 0;
}

.search-result-row {
  padding: 8px 14px;
  cursor: pointer;
  transition: background var(--transition);
  border-left: 3px solid transparent;
}

.search-result-row:hover {
  background: var(--color-surface-el);
}

.search-result-row.selected {
  background: rgba(29, 152, 152, 0.1);
  border-left-color: var(--color-accent);
}

.search-result-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text);
}

.search-result-context {
  font-size: 11px;
  color: var(--color-text-sec);
  margin-top: 2px;
  font-family: var(--font-mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Cross-file search grouping */
.search-file-group {
  border-bottom: 2px solid var(--color-border);
}

.search-file-label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-text);
  padding: 10px 14px 4px;
  background: var(--color-bg);
  position: sticky;
  top: 0;
  z-index: 1;
  border-bottom: 1px solid var(--color-border);
}

.search-file-count {
  font-weight: 400;
  color: var(--color-text-sec);
}

/* =============================================
   Scrollbars
   ============================================= */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-surface-el);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #3d5468;
}

/* =============================================
   Responsive
   ============================================= */
@media (max-width: 1100px) {
  :root {
    --sidebar-width: 180px;
    --item-panel-width: 240px;
  }
}

@media (max-width: 900px) {
  :root {
    --sidebar-width: 50px;
    --item-panel-width: 200px;
  }

  .nav-label, .nav-count, .sidebar-label {
    display: none;
  }

  .nav-item {
    justify-content: center;
    padding: 10px;
  }

  .nav-icon {
    width: auto;
    font-size: 16px;
  }

  .nav-item.active::before {
    top: 10%;
    height: 80%;
  }

  .file-badge, .app-title {
    display: none;
  }

  .detail-content {
    padding: 16px;
  }

  /* File strip: icon-only at narrow sidebar */
  .file-strip-label {
    display: none;
  }

  .file-pill-name {
    display: none;
  }

  .file-pill {
    justify-content: center;
    padding: 7px;
  }

  .file-pill-icon {
    font-size: 14px;
  }

  .home-btn {
    display: none;
  }
}

/* =============================================
   Layout Preview
   ============================================= */
.layout-preview-svg {
  max-height: 600px;
}

.preview-obj > rect {
  transition: fill 0.1s;
}

.preview-obj:hover > rect {
  fill-opacity: 0.35 !important;
  stroke-width: 2;
}

.preview-obj.selected > rect {
  fill-opacity: 0.35 !important;
  stroke: var(--color-highlight) !important;
  stroke-width: 2;
}

.preview-controls {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.preview-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-sec);
  border-radius: 4px;
  width: 26px;
  height: 26px;
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.preview-btn:hover {
  background: var(--color-border);
  color: var(--color-text);
}

.preview-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 8px;
  font-size: 11px;
  color: var(--color-text-sec);
}

.preview-legend-item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.preview-legend-swatch {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 1px solid;
  flex-shrink: 0;
}

/* =============================================
   Relationship Diagram
   ============================================= */
#detail-panel.diagram-mode {
  overflow: hidden;
}

#detail-panel.diagram-mode .detail-content {
  padding: 0;
  height: 100%;
  overflow: hidden;
}

.rel-diagram-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--color-bg);
}

#rel-diagram-svg {
  width: 100%;
  height: 100%;
  cursor: grab;
  user-select: none;
  display: block;
}

#rel-diagram-svg:active {
  cursor: grabbing;
}

.rel-diagram-toolbar {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 5px 8px;
}

.rel-search-input {
  width: 200px;
  padding: 4px 26px 4px 8px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 12px;
  outline: none;
  font-family: inherit;
  transition: border-color var(--transition);
}

.rel-search-input:focus {
  border-color: var(--color-accent);
}

.rel-search-input::placeholder {
  color: var(--color-text-sec);
}

.rel-zoom-controls {
  position: absolute;
  bottom: 16px;
  right: 16px;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 5px 8px;
}

.rel-zoom-controls button {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-sec);
  background: var(--color-surface-el);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  font-family: inherit;
}

.rel-zoom-controls button:hover {
  color: var(--color-text);
  background: #364e62;
}

#rel-zoom-pct {
  font-size: 11px;
  color: var(--color-text-sec);
  min-width: 36px;
  text-align: center;
  font-weight: 600;
}

/* SVG node elements */
.rel-node-bg {
  fill: var(--color-surface);
  stroke: var(--color-border);
  stroke-width: 1.5;
}

.rel-node-header {
  fill: var(--color-accent-dim);
}

.rel-node-title {
  fill: var(--color-text);
  font-size: 12px;
  font-weight: 600;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.rel-node-divider {
  stroke: var(--color-border);
  stroke-width: 1;
}

.rel-node-field {
  fill: var(--color-text-sec);
  font-size: 11px;
  font-family: 'JetBrains Mono', 'Fira Code', Consolas, monospace;
}

/* Nodes */
.rel-node {
  cursor: grab;
}

/* Edges */
.rel-edge {
  fill: none;
  stroke: var(--color-accent);
  stroke-width: 1.5;
  opacity: 0.6;
}

.rel-edge:hover {
  stroke-width: 2.5;
  opacity: 0.85;
}

.rel-edge-hit {
  fill: none;
  stroke: transparent;
  stroke-width: 12;
  cursor: pointer;
}

.rel-arrow-head {
  fill: var(--color-accent);
  opacity: 0.6;
}

/* Node resize handle */
.rel-node-resize-handle {
  fill: transparent;
  cursor: ew-resize;
}
.rel-node-resize-handle:hover {
  fill: rgba(29, 152, 152, 0.25);
}

/* Node collapse toggle */
.rel-node-collapse-btn {
  fill: rgba(255,255,255,0.4);
  font-size: 11px;
  cursor: pointer;
  user-select: none;
}
.rel-node-collapse-btn:hover {
  fill: rgba(255,255,255,0.85);
}

/* TOG (Table Occurrence Group) bounding boxes */
.rel-tog-box {
  fill: rgba(29, 152, 152, 0.04);
  stroke: var(--color-accent);
  stroke-width: 1;
  stroke-dasharray: 6, 4;
  opacity: 0.5;
}

/* Anchor node — brighter header vs buoy */
.rel-node--anchor .rel-node-header {
  fill: var(--color-accent);
}

/* Dim state (search) */
.rel-node--selected .rel-node-bg {
  stroke: #d4a860;
  stroke-width: 2;
}

.rel-node-dimmed {
  opacity: 0.15;
}

.rel-node-hidden {
  display: none;
}

.rel-edge-dimmed {
  opacity: 0.05;
}

.rel-edge-hidden {
  display: none;
}

@media (max-width: 600px) {
  .resize-handle {
    display: none;
  }

  .columns {
    flex-direction: column;
  }

  :root {
    --sidebar-width: 100%;
    --item-panel-width: 100%;
  }

  .sidebar {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    overflow-x: auto;
    padding: 4px 8px;
  }

  .file-strip {
    border-bottom: none;
    padding: 0;
  }

  .file-strip-label {
    display: none;
  }

  .file-strip-list {
    flex-direction: row;
    overflow-x: auto;
    padding: 4px 0;
    gap: 4px;
  }

  .file-pill {
    flex-shrink: 0;
    width: auto;
    padding: 5px 10px;
  }

  .file-pill-name {
    display: block;
    max-width: 100px;
  }

  .nav-list {
    display: flex;
    flex-direction: row;
    gap: 4px;
    padding: 0;
  }

  .sidebar-label { display: none; }

  .nav-label { display: block; font-size: 11px; }
  .nav-count { display: none; }

  .nav-item.active::before {
    top: auto;
    bottom: 0;
    left: 10%;
    width: 80%;
    height: 3px;
    border-radius: 2px 2px 0 0;
  }

  .item-panel {
    width: 100%;
    max-height: 240px;
  }
}

/* Theme CSS block */
.theme-css-block {
  margin: 0;
  padding: 10px 14px;
  background: var(--color-bg);
  color: var(--color-text-sec);
  font-family: 'SF Mono', 'Fira Mono', 'Consolas', monospace;
  font-size: 11px;
  line-height: 1.6;
  white-space: pre;
  overflow-x: auto;
  border-top: 1px solid var(--color-border);
}

/* Theme style preview */
.theme-preview-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  padding: 20px 24px;
  background: #1a2535;
  border-bottom: 1px solid var(--color-border);
}

/* Base reset for all FM preview elements */
.fm-prev-el {
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.4;
  max-width: 100%;
}

.fm-prev-btn {
  min-width: 120px;
  padding: 8px 20px;
  text-align: center;
  cursor: default;
  user-select: none;
}

.fm-prev-field {
  min-width: 200px;
  padding: 6px 10px;
  text-align: left;
}

.fm-prev-text {
  padding: 4px 0;
}

.fm-prev-rect {
  width: 140px;
  height: 80px;
}

.fm-prev-part {
  width: 300px;
  height: 44px;
}

.fm-prev-bar {
  display: flex;
  overflow: hidden;
}

.fm-prev-bar-seg {
  padding: 8px 16px;
  border-right: 1px solid rgba(0,0,0,0.15);
  cursor: default;
  user-select: none;
}

.fm-prev-bar-seg:last-child {
  border-right: none;
}

.fm-prev-dots {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
}

.fm-prev-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.5);
  display: inline-block;
  flex-shrink: 0;
}

.fm-prev-dot.active {
  background: rgba(255,255,255,0.8);
  border-color: rgba(255,255,255,0.8);
}

.fm-prev-choice {
  padding: 6px 12px;
  font-size: 13px;
  cursor: default;
}