@import url('https://fonts.googleapis.com/css2?family=Syncopate:wght@400;700&family=Montserrat:wght@300;400;500&family=Space+Mono:wght@400;700&display=swap');

:root {
  --bg-base: #06070D;
  --bg-surface: #0D0E18;
  --bg-elevated: #080910;
  --border: #12131F;
  --text-disabled: #2E2F45;
  --text-secondary: #6B6C85;
  --text-primary: #E8E8F0;
  --accent: #E8E8F0;

  --font-ui: 'Syncopate', sans-serif;
  --font-body: 'Montserrat', sans-serif;
  --font-mono: 'Space Mono', monospace;

  --radius-sm: 4px;
  --radius-md: 8px;
  --sidebar-width: 260px;
  --topbar-height: 44px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 14px;
  overflow: hidden;
}

.hidden { display: none !important; }

/* ─── SETUP ─────────────────────────────────────────── */

.setup-screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-base);
  z-index: 100;
}

.setup-card {
  width: 360px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 2rem;
  background: var(--bg-elevated);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.setup-logo {
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.setup-subtitle {
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--text-disabled);
  text-transform: uppercase;
  margin-top: -1rem;
}

.setup-fields {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.setup-error {
  font-size: 11px;
  color: #C0392B;
  font-family: var(--font-mono);
}

/* ─── FIELDS ─────────────────────────────────────────── */

.field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.field-label {
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-disabled);
}

.field-input {
  background: var(--bg-base);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 8px 10px;
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}

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

.field-input::placeholder {
  color: var(--text-disabled);
}

/* ─── BUTTONS ─────────────────────────────────────────── */

.btn-primary {
  background: transparent;
  border: 0.5px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--accent);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.2em;
  padding: 8px 16px;
  text-transform: uppercase;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: rgba(232, 232, 240, 0.05);
}

.btn-ghost {
  background: transparent;
  border: 0.5px solid var(--text-disabled);
  border-radius: var(--radius-sm);
  color: var(--text-disabled);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.2em;
  padding: 8px 16px;
  text-transform: uppercase;
  transition: border-color 0.15s, color 0.15s;
}

.btn-ghost:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

.btn-mono {
  background: transparent;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 10px;
  transition: border-color 0.15s, color 0.15s;
}

.btn-mono:hover {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
}

.icon-btn {
  background: transparent;
  border: none;
  color: var(--text-disabled);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
}

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

.icon-btn svg {
  width: 14px;
  height: 14px;
}

/* ─── APP LAYOUT ─────────────────────────────────────── */

.app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── SIDEBAR ────────────────────────────────────────── */

.sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  background: var(--bg-elevated);
  border-right: 0.5px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 12px 10px;
  border-bottom: 0.5px solid var(--border);
}

.app-name {
  font-family: var(--font-ui);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--accent);
}

.sidebar-actions {
  display: flex;
  gap: 2px;
}

.search-wrapper {
  position: relative;
  padding: 8px 10px;
  border-bottom: 0.5px solid var(--border);
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  color: var(--text-disabled);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: var(--bg-base);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 12px;
  padding: 5px 8px 5px 28px;
  outline: none;
  transition: border-color 0.15s;
}

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

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

.sidebar-tabs {
  display: flex;
  border-bottom: 0.5px solid var(--border);
}

.sidebar-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-ui);
  font-size: 11px;
  letter-spacing: 0.1em;
  padding: 8px 4px;
  transition: color 0.15s;
}

.sidebar-tab:hover {
  color: var(--text-secondary);
}

.sidebar-tab.active {
  color: var(--accent);
  border-bottom: 0.5px solid var(--accent);
}

.tab-content {
  display: none;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
}

/* ─── FILE EXPLORER ──────────────────────────────────── */

.file-explorer {
  flex: 1;
  padding: 8px 0;
}

.explorer-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  border-radius: 0;
  transition: background 0.1s, color 0.1s;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.explorer-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.explorer-item.active {
  background: var(--bg-surface);
  color: var(--text-primary);
}

.explorer-item svg {
  width: 12px;
  height: 12px;
  min-width: 12px;
  color: var(--text-disabled);
}

.explorer-item.folder > svg.chevron {
  transition: transform 0.15s;
}

.explorer-item.folder.open > svg.chevron {
  transform: rotate(90deg);
}

.explorer-folder-name {
  font-family: var(--font-ui);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.explorer-children {
  display: none;
}

.explorer-children.open {
  display: block;
}

/* ─── TAGS PANEL ─────────────────────────────────────── */

.tags-panel {
  padding: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-content: flex-start;
}

.tag-chip {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.tag-chip:hover, .tag-chip.active {
  border-color: var(--accent);
  color: var(--accent);
}

/* ─── GRAPH VIEW ─────────────────────────────────────── */

.graph-view {
  flex: 1;
  position: relative;
}

#graph-canvas {
  width: 100%;
  height: 100%;
}

/* ─── MAIN ───────────────────────────────────────────── */

.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ─── TOPBAR ─────────────────────────────────────────── */

.topbar {
  height: var(--topbar-height);
  border-bottom: 0.5px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
}

.topbar-left {
  flex: 1;
  overflow: hidden;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.breadcrumb span {
  color: var(--text-disabled);
}

/* ─── SYNC STATUS ────────────────────────────────────── */

.sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sync-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-disabled);
  transition: background 0.3s;
}

.sync-dot.syncing {
  background: #E8A838;
  animation: pulse 1s ease-in-out infinite;
}

.sync-dot.ok {
  background: #2ECC71;
}

.sync-dot.error {
  background: #C0392B;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.sync-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

/* ─── EDITOR AREA ────────────────────────────────────── */

.editor-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* ─── EMPTY STATE ────────────────────────────────────── */

.empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.empty-logo {
  font-family: var(--font-ui);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--border);
}

.empty-hint {
  font-size: 12px;
  color: var(--text-disabled);
  font-family: var(--font-body);
}

.empty-shortcuts {
  display: flex;
  gap: 16px;
  margin-top: 8px;
}

.shortcut {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-disabled);
  font-family: var(--font-mono);
}

kbd {
  background: var(--bg-surface);
  border: 0.5px solid var(--border);
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 5px;
  color: var(--text-disabled);
}

/* ─── EDITOR CONTAINER ───────────────────────────────── */

.editor-container {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.editor {
  flex: 1;
  background: var(--bg-base);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  outline: none;
  padding: 2rem 3rem;
  resize: none;
  tab-size: 2;
}

.editor::selection {
  background: rgba(232, 232, 240, 0.1);
}

/* ─── PREVIEW ────────────────────────────────────────── */

.preview {
  flex: 1;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  overflow-y: auto;
  padding: 2rem 3rem;
}

.preview h1, .preview h2, .preview h3,
.preview h4, .preview h5, .preview h6 {
  font-family: var(--font-ui);
  letter-spacing: 0.1em;
  margin: 1.5em 0 0.5em;
  color: var(--text-primary);
}

.preview h1 { font-size: 20px; }
.preview h2 { font-size: 16px; }
.preview h3 { font-size: 13px; color: var(--text-secondary); }

.preview p { margin: 0.75em 0; color: var(--text-secondary); }

.preview a { color: var(--accent); text-decoration: none; }
.preview a:hover { text-decoration: underline; }

.preview code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-surface);
  border: 0.5px solid var(--border);
  border-radius: 3px;
  padding: 1px 5px;
  color: var(--accent);
}

.preview pre {
  background: var(--bg-surface);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-x: auto;
  margin: 1em 0;
}

.preview pre code {
  background: none;
  border: none;
  padding: 0;
  color: var(--text-primary);
}

.preview blockquote {
  border-left: 2px solid var(--accent);
  margin: 1em 0;
  padding: 0.5em 1em;
  color: var(--text-secondary);
}

.preview ul, .preview ol {
  padding-left: 1.5em;
  color: var(--text-secondary);
}

.preview li { margin: 0.25em 0; }

.preview hr {
  border: none;
  border-top: 0.5px solid var(--border);
  margin: 2em 0;
}

.preview img {
  max-width: 100%;
  border-radius: var(--radius-sm);
}

.preview table {
  width: 100%;
  border-collapse: collapse;
  margin: 1em 0;
}

.preview th, .preview td {
  border: 0.5px solid var(--border);
  padding: 6px 12px;
  text-align: left;
  font-size: 13px;
}

.preview th {
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.1em;
  color: var(--text-disabled);
}

/* Obsidian internal link */
.preview .ob-link {
  color: var(--accent);
  cursor: pointer;
  text-decoration: none;
  border-bottom: 0.5px solid var(--text-disabled);
}

.preview .ob-link:hover {
  border-bottom-color: var(--accent);
}

/* Frontmatter block */
.preview .frontmatter {
  display: none;
}

/* Tag in preview */
.preview .ob-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  opacity: 0.7;
}

/* ─── BACKLINKS ──────────────────────────────────────── */

.backlinks-panel {
  border-top: 0.5px solid var(--border);
  padding: 12px 3rem;
  background: var(--bg-base);
  max-height: 180px;
  overflow-y: auto;
}

.backlinks-title {
  font-family: var(--font-ui);
  font-size: 8px;
  letter-spacing: 0.2em;
  color: var(--text-disabled);
  margin-bottom: 8px;
}

.backlinks-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.backlink-item {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
}

.backlink-item:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ─── MODALS ─────────────────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(6, 7, 13, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.modal {
  background: var(--bg-elevated);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  width: 360px;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.modal-title {
  font-family: var(--font-ui);
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--text-secondary);
}

.modal-body {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* ─── CONTEXT MENU ───────────────────────────────────── */

.context-menu {
  position: fixed;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
  z-index: 60;
  min-width: 160px;
}

.context-item {
  display: block;
  width: 100%;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 12px;
  padding: 6px 10px;
  text-align: left;
  border-radius: 3px;
  transition: background 0.1s, color 0.1s;
}

.context-item:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
}

/* ─── COLOR PICKER ───────────────────────────────────── */

.color-picker-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.color-picker-row input[type="color"] {
  width: 32px;
  height: 32px;
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  background: none;
  cursor: pointer;
  padding: 2px;
}

.mono-small {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-secondary);
}

/* ─── SCROLLBARS ─────────────────────────────────────── */

::-webkit-scrollbar {
  width: 4px;
  height: 4px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-disabled);
}

/* ─── SEARCH RESULTS ─────────────────────────────────── */

.search-results {
  position: absolute;
  top: calc(var(--topbar-height) + 8px);
  left: var(--sidebar-width);
  right: 0;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-md);
  max-height: 400px;
  overflow-y: auto;
  z-index: 40;
  margin: 0 1rem;
}

.search-result-item {
  padding: 10px 16px;
  border-bottom: 0.5px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}

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

.search-result-item:hover {
  background: var(--bg-surface);
}

.search-result-path {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-disabled);
  margin-bottom: 4px;
}

.search-result-excerpt {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.search-result-excerpt mark {
  background: transparent;
  color: var(--accent);
  font-weight: 500;
}

/* TAB BAR */
.tab-bar {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border-bottom: 0.5px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  flex-shrink: 0;
  scrollbar-width: none;
}

.tab-bar::-webkit-scrollbar { display: none; }

.tab-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  height: 36px;
  border-right: 0.5px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font-body);
  transition: background 0.1s, color 0.1s;
  min-width: 0;
  max-width: 200px;
}

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

.tab-item.active {
  background: var(--bg-base);
  color: var(--text-primary);
  border-bottom: 0.5px solid var(--accent);
}

.tab-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-close {
  background: transparent;
  border: none;
  color: var(--text-disabled);
  cursor: pointer;
  font-size: 10px;
  padding: 2px 4px;
  border-radius: 3px;
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.1s, background 0.1s;
}

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

/* ── LAYOUT ENGINE ──────────────────────────────────────── */

.layout-root {
  flex: 1;
  display: flex;
  overflow: hidden;
  min-width: 0;
  min-height: 0;
}

.layout-split {
  display: flex;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.layout-split-horizontal { flex-direction: column; }
.layout-split-vertical { flex-direction: row; }

.layout-split-child {
  display: flex;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}

.layout-resize-handle {
  flex-shrink: 0;
  background: var(--border);
  transition: background 0.15s;
  z-index: 10;
}

.layout-resize-v {
  width: 3px;
  cursor: col-resize;
}

.layout-resize-h {
  height: 3px;
  cursor: row-resize;
}

.layout-resize-handle:hover,
.layout-resize-handle:active {
  background: var(--accent);
}

/* ── PANE ───────────────────────────────────────────────── */

.layout-pane {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  position: relative;
  border: 0.5px solid transparent;
  transition: border-color 0.15s;
}

.layout-pane.active {
  border-color: var(--border);
}

/* ── PANE TAB BAR ───────────────────────────────────────── */

.layout-tab-bar {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border-bottom: 0.5px solid var(--border);
  overflow-x: auto;
  overflow-y: hidden;
  flex-shrink: 0;
  scrollbar-width: none;
  min-height: 36px;
}

.layout-tab-bar::-webkit-scrollbar { display: none; }

.layout-tab {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px;
  height: 36px;
  border-right: 0.5px solid var(--border);
  cursor: pointer;
  white-space: nowrap;
  color: var(--text-secondary);
  font-size: 12px;
  font-family: var(--font-body);
  transition: background 0.1s, color 0.1s;
  max-width: 180px;
  user-select: none;
}

.layout-tab:hover { background: var(--bg-surface); color: var(--text-primary); }
.layout-tab.active { background: var(--bg-base); color: var(--text-primary); border-bottom: 1px solid var(--accent); }

.layout-tab[draggable="true"] { cursor: grab; }
.layout-tab[draggable="true"]:active { cursor: grabbing; }

.layout-tab-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout-tab-close {
  background: transparent;
  border: none;
  color: var(--text-disabled);
  cursor: pointer;
  font-size: 10px;
  padding: 2px 3px;
  border-radius: 3px;
  line-height: 1;
  flex-shrink: 0;
  transition: color 0.1s, background 0.1s;
}

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

.layout-tab-empty {
  font-size: 11px;
  color: var(--text-disabled);
  padding: 0 12px;
  font-family: var(--font-body);
}

.layout-pane-actions {
  margin-left: auto;
  display: flex;
  padding: 0 6px;
  gap: 2px;
  flex-shrink: 0;
}

.layout-split-btn {
  background: transparent;
  border: 0.5px solid var(--border);
  border-radius: 3px;
  color: var(--text-disabled);
  cursor: pointer;
  font-size: 12px;
  padding: 2px 6px;
  transition: color 0.1s, border-color 0.1s;
}

.layout-split-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }

/* ── PANE CONTENT ───────────────────────────────────────── */

.layout-pane-content {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.layout-editor {
  flex: 1;
  background: var(--bg-base);
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  outline: none;
  padding: 2rem 3rem;
  resize: none;
  tab-size: 2;
}

.layout-preview {
  flex: 1;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  overflow-y: auto;
  padding: 2rem 3rem;
}

.layout-preview p { margin: 0.75em 0; color: var(--text-secondary); }
.layout-preview a { color: var(--accent); text-decoration: none; }
.layout-preview code {
  font-family: var(--font-mono); font-size: 12px;
  background: var(--bg-surface); border: 0.5px solid var(--border);
  border-radius: 3px; padding: 1px 5px; color: var(--accent);
}
.layout-preview pre {
  background: var(--bg-surface); border: 0.5px solid var(--border);
  border-radius: var(--radius-sm); padding: 1rem; overflow-x: auto; margin: 1em 0;
}
.layout-preview pre code { background: none; border: none; padding: 0; color: var(--text-primary); }
.layout-preview blockquote { border-left: 2px solid var(--accent); margin: 1em 0; padding: 0.5em 1em; color: var(--text-secondary); }
.layout-preview ul, .layout-preview ol { padding-left: 1.5em; color: var(--text-secondary); }
.layout-preview img { max-width: 100%; border-radius: var(--radius-sm); }
.layout-preview .ob-link { color: var(--accent); cursor: pointer; border-bottom: 0.5px solid var(--text-disabled); }
.layout-preview .ob-link:hover { border-bottom-color: var(--accent); }
.layout-preview .ob-tag { font-family: var(--font-mono); font-size: 11px; color: var(--accent); opacity: 0.7; }

.layout-graph-canvas { width: 100%; height: 100%; }

.layout-empty-state {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-disabled);
  font-family: var(--font-body);
}

/* ── DROP ZONES ─────────────────────────────────────────── */

.layout-drop-overlay {
  position: absolute;
  inset: 0;
  z-index: 20;
  pointer-events: none;
}

.layout-drop-overlay:not(.hidden) { pointer-events: all; }

.layout-drop-zone {
  position: absolute;
  background: transparent;
  transition: background 0.1s;
}

.layout-drop-zone.hover {
  background: rgba(232, 232, 240, 0.06);
  box-shadow: inset 0 0 0 1px var(--accent);
}

.layout-drop-top    { top: 0; left: 0; right: 0; height: 25%; }
.layout-drop-bottom { bottom: 0; left: 0; right: 0; height: 25%; }
.layout-drop-left   { top: 0; bottom: 0; left: 0; width: 25%; }
.layout-drop-right  { top: 0; bottom: 0; right: 0; width: 25%; }

/* ── DOTS ONGLETS ───────────────────────────────────────── */
.tab-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
  transition: box-shadow 0.2s, background 0.2s;
}

.tab-dot.dirty {
  background: #E8503A;
  box-shadow: 0 0 6px 1px rgba(232, 80, 58, 0.7);
}

.tab-dot.saved {
  background: #2ECC71;
  box-shadow: 0 0 6px 1px rgba(46, 204, 113, 0.6);
}

/* ── LAYOUT TABS ────────────────────────────────────────── */
.layout-tab {
  font-size: 13px;
}

.layout-tab-name {
  font-size: 13px;
}

/* ── READABLE WIDTH ─────────────────────────────────────── */
.layout-editor-wrap {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.layout-editor-wrap[data-readable="true"] .layout-editor,
.layout-editor-wrap[data-readable="true"] .layout-preview {
  max-width: 720px;
  margin: 0 auto;
  width: 100%;
}

.layout-editor-wrap[data-readable="true"] {
  overflow-y: auto;
  justify-content: center;
}

/* ── ACTION BTN PREVIEW ─────────────────────────────────── */
.layout-action-btn {
  background: transparent;
  border: none;
  color: var(--text-disabled);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 3px;
  display: flex;
  align-items: center;
  transition: color 0.15s;
}

.layout-action-btn:hover { color: var(--text-primary); }
.layout-action-btn svg { width: 13px; height: 13px; }

/* ── AUTOCOMPLETE ───────────────────────────────────────── */
.autocomplete-dropdown {
  position: fixed;
  background: var(--bg-elevated);
  border: 0.5px solid var(--border);
  border-radius: var(--radius-sm);
  z-index: 100;
  max-height: 200px;
  overflow-y: auto;
  min-width: 180px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.autocomplete-dropdown.hidden { display: none; }

.autocomplete-item {
  padding: 6px 12px;
  font-size: 12px;
  font-family: var(--font-body);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.1s, color 0.1s;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
  background: var(--bg-surface);
  color: var(--text-primary);
}





/* ── TITRES MARKDOWN ─── */
.layout-preview h1 {
  font-family: var(--font-ui);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin: 1.5em 0 0.5em;
  padding-bottom: 0.25em;
  border-bottom: 0.5px solid var(--border);
}
.layout-preview h2 {
  font-family: var(--font-ui);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  margin: 1.2em 0 0.4em;
}
.layout-preview h3 {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 400;
  color: var(--text-secondary);
  margin: 1em 0 0.3em;
}
.layout-preview h4 {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0.8em 0 0.2em;
}