/* ================================================================
   BlockForge Pro v3.0 — Complete CSS
   "あらゆるHTMLをビジュアル編集"
   Color: Navy/Blue base per おんゆーカラー
   ================================================================ */

:root {
  --bf-primary: #1A2859;
  --bf-primary-dark: #0F3460;
  --bf-accent: #3D5A80;
  --bf-border: #142850;
  --bf-bg: #ffffff;
  --bf-bg-sub: #F0F4F8;
  --bf-text: #1A2859;
  --bf-text-sub: #4A5568;
  --bf-select-border: #1A2859;
  --bf-select-bg: #E8EDF5;
  --bf-error: #E53E3E;
  --bf-success: #38A169;
  --bf-warn: #D69E2E;
  --bf-sidebar-w: 280px;
  --bf-header-h: 56px;
}
* { box-sizing: border-box; }
body {
  font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0; padding: 0;
  background: var(--bf-bg-sub);
  color: var(--bf-text);
  overflow: hidden;
  height: 100vh;
}
::selection { background: rgba(26,40,89,0.15); }

/* ============================================================
   HEADER
   ============================================================ */
.bf-header {
  height: var(--bf-header-h);
  background: linear-gradient(135deg, var(--bf-primary) 0%, var(--bf-primary-dark) 100%);
  display: flex; align-items: center;
  padding: 0 16px; gap: 12px;
  color: #fff; z-index: 100;
  box-shadow: 0 2px 12px rgba(26,40,89,0.3);
}
.bf-header .logo {
  font-weight: 700; font-size: 16px; white-space: nowrap;
  display:flex; align-items:center; gap:8px;
  transition: opacity .2s;
}
.bf-header .logo:hover { opacity: 0.85; }
.bf-header .logo i { font-size: 18px; }
.bf-header-actions { display:flex; align-items:center; gap:6px; margin-left:auto; flex-wrap: wrap; }
.bf-hbtn {
  padding: 6px 12px; border-radius: 6px; border: 1px solid rgba(255,255,255,0.25);
  background: transparent; color: #fff; font-size: 12px; font-weight: 600;
  cursor: pointer; display:flex; align-items:center; gap:5px;
  transition: all .2s; white-space: nowrap;
}
.bf-hbtn:hover { background: rgba(255,255,255,0.15); border-color: rgba(255,255,255,0.4); }
.bf-hbtn.primary { background: #059669; border-color: #059669; }
.bf-hbtn.primary:hover { background: #047857; }
.bf-hbtn.accent { background: var(--bf-accent); border-color: var(--bf-accent); }
.bf-hbtn.accent:hover { background: #2c4a6e; }
.bf-hbtn.warning { background: #D97706; border-color: #D97706; }
.bf-hbtn.warning:hover { background: #b45309; }
.bf-version {
  font-size: 10px; font-weight: 400; opacity: 0.7;
  background: rgba(255,255,255,0.1); padding: 1px 6px;
  border-radius: 4px; margin-left: 4px;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.bf-layout {
  display: flex; height: calc(100vh - var(--bf-header-h) - 28px);
}

/* ============================================================
   LEFT PANEL (Tree / Inserter)
   ============================================================ */
.bf-left {
  width: var(--bf-sidebar-w); min-width: var(--bf-sidebar-w);
  background: #fff; border-right: 1px solid #e2e8f0;
  display: flex; flex-direction: column;
  transition: width .25s, min-width .25s, opacity .25s;
  overflow: hidden;
}
.bf-left.collapsed { width: 0; min-width: 0; opacity: 0; pointer-events: none; }
.bf-left-tabs {
  display: flex; border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}
.bf-left-tab {
  flex: 1; padding: 10px 8px; text-align: center;
  font-size: 11px; font-weight: 600; cursor: pointer;
  border-bottom: 2px solid transparent; color: var(--bf-text-sub);
  transition: all .2s; display:flex; align-items:center; justify-content:center; gap:4px;
}
.bf-left-tab:hover { color: var(--bf-primary); background: #EDF2F7; }
.bf-left-tab.active { color: var(--bf-primary); border-bottom-color: var(--bf-primary); background: #fff; }
.bf-left-content { flex: 1; overflow-y: auto; padding: 8px; }

/* ============================================================
   CANVAS (center)
   ============================================================ */
.bf-canvas-wrap {
  flex: 1; overflow-y: auto; background: #f1f3f8;
  padding: 24px; display: flex; flex-direction: column;
}
.bf-canvas {
  max-width: 640px; margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(26,40,89,0.08);
  min-height: 400px;
  padding: 16px;
  position: relative;
}

/* Preview Header */
.bf-preview-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 12px; padding: 0 4px;
}
.bf-device-btns { display: flex; gap: 4px; }
.bf-device-btns button {
  padding: 5px 12px; border: 1px solid #e2e8f0; border-radius: 6px;
  background: #fff; font-size: 12px; cursor: pointer; color: #64748b;
  display: flex; align-items: center; gap: 4px; transition: all .15s;
}
.bf-device-btns button:hover { border-color: var(--bf-accent); color: var(--bf-accent); }
.bf-device-btns button.active {
  background: var(--bf-primary); color: #fff; border-color: var(--bf-primary);
}

/* Preview Container & iframe */
.bf-preview-container {
  flex: 1; display: flex; justify-content: center;
  background: #e8ecf2; border-radius: 12px;
  padding: 16px; min-height: 500px;
  overflow: hidden;
}
.bf-preview-iframe {
  width: 100%; height: 100%; border: none;
  border-radius: 8px; background: #fff;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: max-width .35s ease;
  min-height: 500px;
}
.bf-preview-iframe.bf-device-desktop { max-width: 100%; }
.bf-preview-iframe.bf-device-tablet { max-width: 768px; }
.bf-preview-iframe.bf-device-mobile { max-width: 375px; }

/* ============================================================
   BLOCK ITEMS (email block mode)
   ============================================================ */
.bf-block {
  position: relative; border: 2px solid transparent;
  border-radius: 6px; margin: 4px 0;
  cursor: pointer; transition: all .15s;
}
.bf-block:hover { border-color: #93c5fd; }
.bf-block.selected { border-color: var(--bf-select-border); background: var(--bf-select-bg); }
.bf-block.dragging { opacity: .4; }

.bf-block-toolbar {
  position: absolute; top: -36px; left: 50%; transform: translateX(-50%);
  background: #fff; border: 1px solid #e2e8f0; border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.12); padding: 3px;
  display: none; z-index: 20; white-space: nowrap;
}
.bf-block.selected .bf-block-toolbar { display: flex; }
.bf-tb-btn {
  width: 28px; height: 28px; border: none; background: none;
  cursor: pointer; border-radius: 4px; display: flex;
  align-items: center; justify-content: center;
  color: #64748b; font-size: 12px; transition: all .15s;
}
.bf-tb-btn:hover { background: #f1f5f9; color: var(--bf-primary); }
.bf-tb-btn.danger:hover { color: var(--bf-error); background: #fef2f2; }

.bf-inserter-line {
  height: 24px; display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .15s;
}
.bf-inserter-line:hover { opacity: 1; }
.bf-inserter-line button {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--bf-accent); border: none; color: #fff;
  cursor: pointer; font-size: 11px; display: flex;
  align-items: center; justify-content: center;
  transition: transform .15s;
}
.bf-inserter-line button:hover { transform: scale(1.2); background: var(--bf-primary); }

/* ============================================================
   RIGHT PANEL (Inspector)
   ============================================================ */
.bf-right {
  width: 300px; min-width: 300px;
  background: #fff; border-left: 1px solid #e2e8f0;
  display: flex; flex-direction: column;
  transition: width .25s, min-width .25s, opacity .25s;
  overflow: hidden;
}
.bf-right.collapsed { width: 0; min-width: 0; opacity: 0; pointer-events: none; }
.bf-right-header {
  padding: 12px 16px; border-bottom: 1px solid #e2e8f0;
  font-weight: 700; font-size: 13px; color: var(--bf-primary);
  display: flex; align-items:center; gap:6px; background: #f8fafc;
}
.bf-right-content { flex: 1; overflow-y: auto; padding: 12px; }

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.bf-form-group { margin-bottom: 14px; }
.bf-label { display:block; font-size:11px; font-weight:600; color:#4a5568; margin-bottom:4px; }
.bf-input {
  width:100%; padding:6px 10px; border:1px solid #d1d5db; border-radius:6px;
  font-size:13px; transition: border-color .2s;
}
.bf-input:focus { outline:none; border-color: var(--bf-primary); box-shadow: 0 0 0 2px rgba(26,40,89,0.1); }
.bf-select { width:100%; padding:6px 10px; border:1px solid #d1d5db; border-radius:6px; font-size:13px; background:#fff; }
.bf-textarea {
  width:100%; padding:6px 10px; border:1px solid #d1d5db; border-radius:6px;
  font-size:13px; resize:vertical; min-height:60px;
  font-family: 'Noto Sans JP', monospace;
}
.bf-textarea:focus { outline:none; border-color: var(--bf-primary); box-shadow: 0 0 0 2px rgba(26,40,89,0.1); }

/* Color presets */
.bf-colors { display:flex; flex-wrap:wrap; gap:4px; margin-top:4px; }
.bf-color-dot {
  width:22px; height:22px; border-radius:4px; border:2px solid #fff;
  cursor:pointer; box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  transition: transform .15s;
}
.bf-color-dot:hover { transform: scale(1.15); }
.bf-color-dot.active { border-color: var(--bf-primary); box-shadow: 0 0 0 2px var(--bf-primary); }

/* ============================================================
   LIST VIEW ITEMS
   ============================================================ */
.bf-list-item {
  padding: 6px 8px; border-radius: 6px; cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; transition: all .15s;
  border-left: 3px solid transparent;
}
.bf-list-item:hover { background: #f1f5f9; border-left-color: var(--bf-accent); }
.bf-list-item.active { background: var(--bf-primary); color: #fff; border-left-color: #60a5fa; }
.bf-list-item .icon { width: 18px; text-align: center; font-size: 11px; opacity: .7; }
.bf-list-item .label { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ============================================================
   TEMPLATE CARDS & INSERTER
   ============================================================ */
.bf-tmpl-card {
  padding: 8px; border: 1px solid #e2e8f0; border-radius: 8px;
  cursor: pointer; transition: all .15s; font-size: 12px;
  display: flex; align-items: center; gap: 8px;
}
.bf-tmpl-card:hover { border-color: var(--bf-accent); background: #f0f7ff; box-shadow: 0 2px 8px rgba(26,40,89,0.06); }
.bf-tmpl-card .icon { font-size: 14px; }
.bf-tmpl-card .name { flex:1; font-weight: 500; }
.bf-tmpl-cat {
  font-size: 11px; font-weight: 700; color: var(--bf-primary);
  padding: 8px 4px 4px; margin-top: 8px; border-bottom: 1px solid #e2e8f0;
}
.bf-tmpl-cat:first-child { margin-top: 0; }

/* ============================================================
   SEARCH
   ============================================================ */
.bf-search {
  display:flex; align-items:center; gap:6px;
  padding: 6px 10px; border: 1px solid #e2e8f0; border-radius: 8px;
  margin-bottom: 8px; background: #f8fafc;
}
.bf-search i { color: #94a3b8; font-size: 12px; }
.bf-search input {
  flex: 1; border: none; outline: none; font-size: 12px;
  background: transparent; color: var(--bf-text);
}

/* ============================================================
   MODAL SYSTEM
   ============================================================ */
.bf-modal-overlay {
  position: fixed; inset: 0; background: rgba(15,25,48,0.55);
  backdrop-filter: blur(4px); z-index: 200;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.bf-modal-overlay.open { opacity: 1; pointer-events: auto; }
.bf-modal {
  background: #fff; border-radius: 16px;
  max-width: 90vw; max-height: 88vh; overflow: auto;
  box-shadow: 0 20px 60px rgba(15,25,48,0.3);
  transform: translateY(20px); transition: transform .3s cubic-bezier(0.16, 1, 0.3, 1);
}
.bf-modal-overlay.open .bf-modal { transform: translateY(0); }
.bf-modal-header {
  padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.1);
  display: flex; align-items: center; justify-content: space-between;
  background: linear-gradient(135deg, var(--bf-primary) 0%, var(--bf-primary-dark) 100%);
  color: #fff; border-radius: 16px 16px 0 0;
}
.bf-modal-header h3 { font-size: 15px; font-weight: 700; display:flex; align-items:center; gap:8px; margin:0; }
.bf-modal-close {
  width: 32px; height: 32px; border: none; background: rgba(255,255,255,0.15);
  border-radius: 8px; color: #fff; cursor: pointer; font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.bf-modal-close:hover { background: rgba(255,255,255,0.3); }
.bf-modal-body { padding: 20px; }

/* ============================================================
   IMPORT MODAL TABS
   ============================================================ */
.bf-import-tabs {
  display: flex; border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}
.bf-import-tab {
  flex: 1; padding: 12px 8px; text-align: center;
  font-size: 12px; font-weight: 600; cursor: pointer;
  border-bottom: 2px solid transparent; color: var(--bf-text-sub);
  transition: all .2s; display: flex; align-items: center; justify-content: center; gap: 6px;
}
.bf-import-tab:hover { color: var(--bf-primary); background: #EDF2F7; }
.bf-import-tab.active { color: var(--bf-primary); border-bottom-color: var(--bf-primary); background: #fff; }

.bf-import-dropzone {
  border: 2px dashed #cbd5e1; border-radius: 16px;
  padding: 48px 24px; text-align: center;
  background: #fafbfe; transition: all .25s;
  cursor: pointer;
}
.bf-import-dropzone:hover,
.bf-import-dropzone.dragover {
  border-color: var(--bf-accent); background: #EDF2F7;
  box-shadow: 0 0 0 4px rgba(61,90,128,0.1);
}
.bf-import-dropzone.dragover { border-color: var(--bf-primary); background: #E8EDF5; }

.bf-file-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 24px; border-radius: 10px;
  background: var(--bf-primary); color: #fff;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: background .2s;
  border: none;
}
.bf-file-btn:hover { background: var(--bf-primary-dark); }

/* ============================================================
   PREVIEW
   ============================================================ */
.bf-preview-frame {
  background: #f3f4f6; border-radius: 8px; padding: 20px;
  max-height: 65vh; overflow: auto;
}
.bf-preview-device-btns { display: flex; gap: 6px; }
.bf-preview-device-btns button {
  padding: 4px 10px; border: 1px solid #e2e8f0; border-radius: 6px;
  background: #fff; font-size: 11px; cursor: pointer;
  display:flex; align-items:center; gap:4px;
  transition: all .15s;
}
.bf-preview-device-btns button.active { background: var(--bf-primary); color: #fff; border-color: var(--bf-primary); }

/* ============================================================
   TREE VIEW (HTML editor)
   ============================================================ */
.bf-tree-search { margin-bottom: 8px; }
.bf-tree-search input {
  width: 100%; padding: 6px 10px; border: 1px solid #e2e8f0;
  border-radius: 6px; font-size: 12px; background: #f8fafc;
  transition: border-color .2s;
}
.bf-tree-search input:focus {
  outline: none; border-color: var(--bf-primary);
  box-shadow: 0 0 0 2px rgba(26,40,89,0.08);
}
.bf-tree { overflow-y: auto; overflow-x: hidden; }
.bf-tree-node {
  display: flex; align-items: center; gap: 4px;
  padding: 3px 8px; border-radius: 4px;
  font-size: 11px; cursor: pointer;
  transition: all .12s; min-height: 24px;
  border: 1px solid transparent;
  user-select: none;
}
.bf-tree-node:hover { background: #f1f5f9; border-color: #e2e8f0; }
.bf-tree-node.selected {
  background: var(--bf-select-bg); border-color: var(--bf-select-border);
  box-shadow: 0 0 0 1px rgba(26,40,89,0.1);
}
.bf-tree-node.bf-tree-text { opacity: 0.75; }
.bf-tree-node.bf-tree-text:hover { opacity: 1; }
.bf-tree-node.bf-tree-comment { opacity: 0.5; font-style: italic; }
.bf-tree-toggle {
  width: 16px; height: 16px; display: flex; align-items: center;
  justify-content: center; cursor: pointer; flex-shrink: 0;
  border-radius: 3px; transition: background .15s;
}
.bf-tree-toggle:hover { background: rgba(0,0,0,0.06); }
.bf-tree-tag { flex-shrink: 0; width: 16px; text-align: center; }
.bf-tree-tagname {
  font-weight: 600; font-size: 11px; flex-shrink: 0;
  font-family: 'Fira Code', 'Menlo', monospace;
}
.bf-tree-extra {
  font-size: 10px; color: #94a3b8; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
  font-family: monospace;
}
.bf-tree-count { font-size: 9px; color: #cbd5e1; margin-left: auto; flex-shrink: 0; }
.bf-tree-label {
  font-size: 11px; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap; color: #64748b; flex: 1;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.bf-breadcrumb {
  display: flex; align-items: center; gap: 2px;
  padding: 4px 16px; background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
  font-size: 11px; min-height: 28px;
  overflow-x: auto; flex-shrink: 0;
}
.bf-bc-item {
  padding: 2px 6px; border-radius: 4px; cursor: pointer;
  color: #64748b; transition: all .15s;
  font-family: monospace; white-space: nowrap;
}
.bf-bc-item:hover { background: #e2e8f0; color: var(--bf-primary); }
.bf-bc-item.active { background: var(--bf-select-bg); color: var(--bf-primary); font-weight: 600; }

/* ============================================================
   INSPECTOR (HTML mode)
   ============================================================ */
.bf-inspector-node { padding: 0 0 12px; }
.bf-inspector-tag { transition: all .15s; }
.bf-inspector-actions {
  display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap;
}
.bf-insp-btn {
  padding: 5px 10px; border: 1px solid #e2e8f0; border-radius: 6px;
  background: #fff; font-size: 11px; cursor: pointer;
  display: flex; align-items: center; gap: 4px;
  color: var(--bf-text-sub); transition: all .15s;
  font-weight: 500;
}
.bf-insp-btn:hover { background: #f1f5f9; border-color: var(--bf-accent); color: var(--bf-primary); }
.bf-insp-btn.danger { color: var(--bf-error); }
.bf-insp-btn.danger:hover { background: #fef2f2; border-color: #fca5a5; }
.bf-attr-row { display: flex; align-items: center; gap: 4px; margin-bottom: 4px; }
.bf-attr-key {
  font-family: 'Fira Code', monospace; font-weight: 500;
  color: var(--bf-accent);
}
.bf-attr-val { color: var(--bf-text); }
.bf-quick-style {
  width: 32px; height: 32px; border: 1px solid #e2e8f0;
  border-radius: 6px; background: #fff; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: #64748b; transition: all .15s;
}
.bf-quick-style:hover { border-color: var(--bf-accent); color: var(--bf-primary); background: #f0f7ff; }

/* ============================================================
   START SCREEN
   ============================================================ */
.bf-start-screen {
  height: 100vh; display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  background: linear-gradient(160deg, #f8fafc 0%, #e8ecf5 40%, #d6dff0 100%);
  padding: 32px;
  overflow-y: auto;
}
.bf-start-hero { text-align: center; margin-bottom: 40px; }
.bf-start-logo {
  font-size: 32px; font-weight: 800; color: var(--bf-primary);
  display: flex; align-items: center; justify-content: center; gap: 12px;
  margin-bottom: 8px;
}
.bf-start-logo i { font-size: 36px; color: var(--bf-accent); }
.bf-start-subtitle {
  font-size: 16px; color: var(--bf-accent); font-weight: 500;
  margin: 8px 0 4px;
}
.bf-start-desc {
  font-size: 14px; color: #64748b; line-height: 1.7;
  max-width: 480px; margin: 0 auto;
}
.bf-start-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 20px; max-width: 720px; width: 100%;
  margin-bottom: 32px;
}
@media (max-width: 800px) { .bf-start-grid { grid-template-columns: 1fr; } }
.bf-start-card {
  background: #fff; border-radius: 16px; padding: 28px 20px;
  text-align: center; cursor: pointer;
  border: 2px solid #e2e8f0;
  transition: all .25s; box-shadow: 0 2px 8px rgba(26,40,89,0.04);
}
.bf-start-card:hover {
  border-color: var(--bf-accent); transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(26,40,89,0.12);
}
.bf-start-card.primary {
  border-color: var(--bf-primary); background: linear-gradient(160deg, #fff 0%, #EDF2F7 100%);
}
.bf-start-card.primary:hover {
  background: linear-gradient(160deg, #fff 0%, #E0E8F5 100%);
  box-shadow: 0 12px 32px rgba(26,40,89,0.18);
}
.bf-start-card-icon { font-size: 36px; color: var(--bf-primary); margin-bottom: 12px; }
.bf-start-card h3 { font-size: 15px; font-weight: 700; color: var(--bf-primary); margin: 0 0 6px; }
.bf-start-card p { font-size: 12px; color: #64748b; line-height: 1.6; margin: 0; }
.bf-start-card-methods {
  display: flex; justify-content: center; gap: 8px; margin-top: 12px;
}
.bf-start-card-methods span {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 10px; padding: 3px 8px; background: #f1f5f9;
  border-radius: 4px; color: var(--bf-accent); font-weight: 500;
}
.bf-start-dropzone {
  max-width: 720px; width: 100%;
  border: 2px dashed #cbd5e1; border-radius: 16px;
  padding: 32px 24px; text-align: center;
  background: rgba(255,255,255,0.6);
  transition: all .25s; color: #94a3b8;
}
.bf-start-dropzone i { font-size: 28px; }
.bf-start-dropzone p { font-size: 14px; margin: 8px 0 2px; font-weight: 500; }
.bf-start-dropzone span { font-size: 11px; }
.bf-start-dropzone.dragover {
  border-color: var(--bf-primary); background: #E8EDF5;
  color: var(--bf-primary);
}

/* ============================================================
   TOAST
   ============================================================ */
.bf-toast {
  position: fixed; bottom: 24px; right: 24px; z-index: 999;
  padding: 10px 20px; border-radius: 10px; color: #fff;
  font-size: 13px; font-weight: 600;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  display: flex; align-items: center; gap: 8px;
  opacity: 0; transform: translateY(10px);
  transition: all .3s; pointer-events: none;
}
.bf-toast.show { opacity: 1; transform: translateY(0); }

/* ============================================================
   EMPTY STATE
   ============================================================ */
.bf-empty {
  text-align: center; padding: 40px 20px; color: #94a3b8;
}
.bf-empty i { font-size: 40px; margin-bottom: 12px; display: block; }
.bf-empty p { font-size: 14px; margin: 4px 0; line-height: 1.6; }

/* ============================================================
   CONTENT EDITABLE (block mode)
   ============================================================ */
.bf-block [contenteditable] {
  outline: none; min-height: 20px; padding: 4px;
}
.bf-block [contenteditable]:focus { background: rgba(26,40,89,0.03); border-radius: 4px; }

/* ============================================================
   STATUS BAR
   ============================================================ */
.bf-status {
  height: 28px; background: #1e293b; color: #94a3b8;
  display: flex; align-items: center; padding: 0 16px;
  font-size: 11px; gap: 16px; flex-shrink: 0;
}
.bf-status span { display:flex; align-items:center; gap:4px; }

/* ============================================================
   SORTABLE (DnD)
   ============================================================ */
.sortable-ghost { opacity: 0.3; }
.sortable-chosen { background: #eff6ff; border-radius: 6px; }
.sortable-drag { box-shadow: 0 8px 30px rgba(0,0,0,0.15); border-radius: 6px; }

/* Button Preview (block mode) */
.bf-btn-preview {
  display: inline-block; padding: 12px 28px;
  text-decoration: none; font-weight: 700; font-size: 15px;
  border-radius: 6px; cursor: default;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #94a3b8; }

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.bf-start-card { animation: fadeInUp .4s ease both; }
.bf-start-card:nth-child(2) { animation-delay: .08s; }
.bf-start-card:nth-child(3) { animation-delay: .16s; }
.bf-start-dropzone { animation: fadeInUp .4s .24s ease both; }

/* ============================================================
   CODE VIEW (CodeMirror 6)
   ============================================================ */
.bf-code-wrap {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; background: #1e1e2e;
  border-radius: 8px; margin: 0;
}
.bf-code-toolbar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: #16161e;
  border-bottom: 1px solid #2a2a3a;
  flex-shrink: 0;
}
.bf-code-toolbar button {
  padding: 4px 12px; border: 1px solid #3a3a4a;
  border-radius: 6px; background: #2a2a3a; color: #a0a0c0;
  font-size: 11px; cursor: pointer; font-weight: 600;
  display: flex; align-items: center; gap: 4px;
  transition: all .15s;
}
.bf-code-toolbar button:hover { background: #3a3a5a; color: #e0e0ff; border-color: #5a5a7a; }
.bf-code-toolbar button.active { background: #3D5A80; color: #fff; border-color: #3D5A80; }
.bf-code-toolbar .spacer { flex: 1; }
.bf-code-toolbar .info { font-size: 10px; color: #6a6a8a; }

.bf-cm-container {
  flex: 1; overflow: auto;
}
.bf-cm-container .cm-editor {
  height: 100%; font-size: 13px;
  font-family: 'Fira Code', 'Menlo', 'Consolas', monospace;
}
.bf-cm-container .cm-editor .cm-scroller { overflow: auto; }
.bf-cm-container .cm-editor.cm-focused { outline: none; }

/* Split view (preview + code side by side) */
.bf-split-view {
  display: flex; flex: 1; gap: 0; overflow: hidden;
}
.bf-split-left { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; }
.bf-split-right { flex: 1; display: flex; flex-direction: column; overflow: hidden; min-width: 0; border-left: 2px solid #1e293b; }
.bf-split-divider {
  width: 6px; background: #1e293b; cursor: col-resize;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: background .15s;
}
.bf-split-divider:hover { background: #3D5A80; }
.bf-split-divider::after {
  content: '⋮'; color: #64748b; font-size: 14px;
}

/* ============================================================
   IMPORT SUMMARY (post-import guide)
   ============================================================ */
.bf-import-summary {
  background: linear-gradient(135deg, #f0f9ff 0%, #e8f4fd 100%);
  border: 1px solid #bae6fd; border-radius: 12px;
  padding: 16px; margin-bottom: 12px;
  animation: fadeInUp .3s ease;
}
.bf-import-summary h4 {
  font-size: 13px; font-weight: 700; color: var(--bf-primary);
  margin: 0 0 8px; display: flex; align-items: center; gap: 6px;
}
.bf-import-summary .bf-stat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 6px; margin-bottom: 8px;
}
.bf-import-summary .bf-stat-item {
  background: #fff; border-radius: 8px; padding: 6px 8px;
  text-align: center; border: 1px solid #e0f2fe;
}
.bf-import-summary .bf-stat-num {
  font-size: 18px; font-weight: 800; color: var(--bf-primary);
  display: block; line-height: 1.2;
}
.bf-import-summary .bf-stat-label {
  font-size: 9px; color: #64748b; font-weight: 500;
}
.bf-import-summary .bf-quick-tips {
  display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px;
}
.bf-import-summary .bf-tip {
  font-size: 10px; padding: 3px 8px; background: #fff;
  border: 1px solid #bae6fd; border-radius: 4px; color: #0369a1;
  cursor: pointer; transition: all .15s; display: flex;
  align-items: center; gap: 3px;
}
.bf-import-summary .bf-tip:hover { background: #e0f2fe; }

/* Code view toggle button in header */
.bf-view-toggle {
  display: flex; border: 1px solid rgba(255,255,255,0.25);
  border-radius: 6px; overflow: hidden;
}
.bf-view-toggle button {
  padding: 5px 10px; border: none; background: transparent;
  color: rgba(255,255,255,0.6); font-size: 11px; cursor: pointer;
  font-weight: 600; display: flex; align-items: center; gap: 4px;
  transition: all .15s;
}
.bf-view-toggle button:hover { color: #fff; background: rgba(255,255,255,0.1); }
.bf-view-toggle button.active { color: #fff; background: rgba(255,255,255,0.2); }

/* ============================================================
   CODEMIRROR 6 (Code View) — v3.0
   ============================================================ */
.bf-code-container {
  flex: 1; display: flex; flex-direction: column;
  overflow: hidden; border-radius: 12px;
  background: #1e1e2e;
}
.bf-code-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; background: #1e1e2e;
  border-bottom: 1px solid #2d2d44;
  flex-shrink: 0;
}
.bf-code-header-left {
  display: flex; align-items: center; gap: 8px;
  color: #94a3b8; font-size: 11px; font-weight: 600;
}
.bf-code-header-left i { color: #3D5A80; }
.bf-code-header-right { display: flex; gap: 4px; }
.bf-code-btn {
  padding: 4px 10px; border: 1px solid #3d3d55; border-radius: 6px;
  background: #2d2d44; color: #94a3b8; font-size: 10px; font-weight: 600;
  cursor: pointer; display: flex; align-items: center; gap: 4px;
  transition: all .15s;
}
.bf-code-btn:hover { background: #3d3d55; color: #e2e8f0; }
.bf-code-btn.active { background: var(--bf-primary); color: #fff; border-color: var(--bf-primary); }
.bf-code-editor {
  flex: 1; overflow: auto;
}
.bf-code-editor .cm-editor {
  height: 100%; font-size: 13px;
}
.bf-code-editor .cm-editor .cm-scroller {
  overflow: auto;
  font-family: 'Fira Code', 'JetBrains Mono', 'Menlo', monospace;
}

/* Code view vs visual view toggle in center area */
.bf-center-tabs {
  display: flex; background: #f8fafc; border-bottom: 1px solid #e2e8f0;
  flex-shrink: 0;
}
.bf-center-tab {
  padding: 8px 16px; font-size: 12px; font-weight: 600;
  cursor: pointer; color: var(--bf-text-sub);
  border-bottom: 2px solid transparent;
  transition: all .2s; display: flex; align-items: center; gap: 5px;
}
.bf-center-tab:hover { color: var(--bf-primary); background: #edf2f7; }
.bf-center-tab.active { color: var(--bf-primary); border-bottom-color: var(--bf-primary); background: #fff; }

/* ============================================================
   IMPORT SUMMARY (Post-import guidance) — v3.0
   ============================================================ */
.bf-import-summary {
  background: linear-gradient(135deg, #f0f4f8 0%, #e8ecf5 100%);
  border-radius: 12px; padding: 16px; margin-bottom: 12px;
  border: 1px solid #d1dce8;
}
.bf-import-summary h4 {
  font-size: 13px; font-weight: 700; color: var(--bf-primary);
  margin: 0 0 8px; display: flex; align-items: center; gap: 6px;
}
.bf-import-summary .bf-stat-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 6px;
}
.bf-stat-item {
  background: #fff; border-radius: 8px; padding: 8px;
  text-align: center; border: 1px solid #e2e8f0;
}
.bf-stat-item .bf-stat-num {
  font-size: 18px; font-weight: 800; color: var(--bf-primary);
}
.bf-stat-item .bf-stat-label {
  font-size: 10px; color: #64748b; margin-top: 2px;
}

/* Quick Actions bar after import */
.bf-quick-actions {
  display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px;
}
.bf-quick-action {
  padding: 5px 10px; border: 1px solid #d1dce8; border-radius: 8px;
  background: #fff; font-size: 11px; cursor: pointer;
  display: flex; align-items: center; gap: 5px;
  color: var(--bf-accent); font-weight: 600;
  transition: all .15s;
}
.bf-quick-action:hover {
  border-color: var(--bf-primary); color: var(--bf-primary);
  background: #edf2f7; transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(26,40,89,0.08);
}

/* ============================================================
   SPLIT VIEW (code + preview) — v3.0
   ============================================================ */
.bf-split-view {
  display: flex; flex: 1; overflow: hidden;
}
.bf-split-left, .bf-split-right {
  flex: 1; overflow: hidden; display: flex; flex-direction: column;
}
.bf-split-divider {
  width: 4px; background: #e2e8f0; cursor: col-resize;
  flex-shrink: 0; transition: background .15s;
}
.bf-split-divider:hover { background: var(--bf-accent); }

/* ============================================================
   CENTER TABS (Visual / Code toggle) — v3.0
   ============================================================ */
.bf-center-tabs {
  display: flex; align-items: center;
  background: #f8fafc; border-bottom: 1px solid #e2e8f0;
  padding: 0 4px; height: 36px; flex-shrink: 0;
}
.bf-center-tab {
  padding: 6px 14px; font-size: 12px; font-weight: 600;
  color: #94a3b8; cursor: pointer; border-bottom: 2px solid transparent;
  display: flex; align-items: center; gap: 5px;
  transition: all .15s; user-select: none;
}
.bf-center-tab:hover { color: var(--bf-accent); }
.bf-center-tab.active {
  color: var(--bf-primary); border-bottom-color: var(--bf-primary);
}

/* Device toggle buttons */
.bf-device-btns {
  display: flex; gap: 2px;
}
.bf-device-btns button {
  padding: 4px 8px; border: 1px solid #e2e8f0; border-radius: 4px;
  background: #fff; cursor: pointer; font-size: 11px; color: #94a3b8;
  transition: all .15s;
}
.bf-device-btns button:hover { border-color: var(--bf-accent); color: var(--bf-accent); }
.bf-device-btns button.active {
  border-color: var(--bf-primary); background: var(--bf-select-bg); color: var(--bf-primary);
}
.bf-preview-device-btns {
  display: flex; gap: 2px;
}
.bf-preview-device-btns button {
  padding: 4px 8px; border: 1px solid #e2e8f0; border-radius: 4px;
  background: #fff; cursor: pointer; font-size: 12px; color: #94a3b8;
  transition: all .15s;
}
.bf-preview-device-btns button:hover { border-color: var(--bf-accent); color: var(--bf-accent); }
.bf-preview-device-btns button.active {
  border-color: var(--bf-primary); background: var(--bf-select-bg); color: var(--bf-primary);
}

/* ============================================================
   CODE VIEW (CodeMirror) — v3.0
   ============================================================ */
.bf-code-container {
  display: flex; flex-direction: column; overflow: hidden;
  background: #1e1e2e;
}
.bf-code-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 12px; background: #282838;
  border-bottom: 1px solid #3a3a4a; flex-shrink: 0;
}
.bf-code-header-left {
  font-size: 12px; font-weight: 600; color: #a0a0c0;
  display: flex; align-items: center; gap: 6px;
}
.bf-code-header-right {
  display: flex; gap: 6px;
}
.bf-code-btn {
  padding: 4px 10px; border: 1px solid #4a4a5a; border-radius: 6px;
  background: #2a2a3a; color: #b0b0d0; cursor: pointer;
  font-size: 11px; font-weight: 600;
  display: flex; align-items: center; gap: 4px;
  transition: all .15s;
}
.bf-code-btn:hover { border-color: #6a6a8a; color: #d0d0f0; background: #3a3a5a; }
.bf-code-btn.active {
  border-color: #38a169; color: #38a169;
}
.bf-code-btn.active:hover { background: #38a16920; }
.bf-code-editor {
  flex: 1; overflow: hidden;
}
.bf-code-editor .cm-editor {
  height: 100%;
}
.bf-code-editor .cm-editor .cm-scroller {
  overflow: auto;
  font-family: 'Fira Code', 'Consolas', 'Monaco', monospace;
  font-size: 13px;
  line-height: 1.6;
}

/* ============================================================
   PREVIEW CONTAINER — v3.0
   ============================================================ */
.bf-preview-container {
  overflow: hidden; display: flex; justify-content: center;
  background: #f3f4f6; padding: 8px;
}
.bf-preview-iframe {
  width: 100%; height: 100%; border: none;
  border-radius: 4px; background: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: max-width .3s;
}
.bf-preview-iframe.bf-device-desktop { max-width: 100%; }
.bf-preview-iframe.bf-device-tablet { max-width: 768px; }
.bf-preview-iframe.bf-device-mobile { max-width: 375px; }

/* ============================================================
   BREADCRUMB — v3.0
   ============================================================ */
.bf-breadcrumb {
  background: #fff; border-bottom: 1px solid #e2e8f0;
  padding: 4px 16px; display: flex; align-items: center;
  gap: 2px; height: 28px; overflow-x: auto;
  flex-shrink: 0;
}
.bf-bc-item {
  font-size: 11px; color: #64748b; cursor: pointer;
  padding: 2px 6px; border-radius: 4px;
  white-space: nowrap; transition: all .15s;
}
.bf-bc-item:hover { background: #f1f5f9; color: var(--bf-primary); }
.bf-bc-item.active {
  background: var(--bf-select-bg); color: var(--bf-primary);
  font-weight: 700;
}

/* ============================================================
   SEARCH & REPLACE BAR — v4.0
   ============================================================ */
.bf-search-bar {
  background: #fff; border-bottom: 1px solid #e2e8f0;
  padding: 6px 12px; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(26,40,89,0.06);
  z-index: 50;
}
.bf-search-row {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 4px;
}
.bf-search-row:last-child { margin-bottom: 0; }
.bf-search-field {
  display: flex; align-items: center; gap: 6px;
  flex: 1; background: #f8fafc; border: 1px solid #e2e8f0;
  border-radius: 6px; padding: 4px 8px;
  transition: border-color .15s;
}
.bf-search-field:focus-within { border-color: var(--bf-primary); }
.bf-search-field i { color: #94a3b8; font-size: 12px; flex-shrink: 0; }
.bf-search-field input {
  border: none; background: transparent; outline: none;
  font-size: 12px; width: 100%; color: var(--bf-text);
  font-family: inherit;
}
.bf-search-opts { display: flex; gap: 2px; }
.bf-search-opt-btn {
  padding: 4px 8px; border: 1px solid #e2e8f0; border-radius: 4px;
  background: #fff; cursor: pointer; font-size: 11px; font-weight: 700;
  color: #94a3b8; transition: all .15s; font-family: monospace;
}
.bf-search-opt-btn:hover { border-color: var(--bf-accent); color: var(--bf-accent); }
.bf-search-opt-btn.active {
  background: var(--bf-select-bg); border-color: var(--bf-primary);
  color: var(--bf-primary);
}
.bf-search-action {
  padding: 4px 10px; border: 1px solid var(--bf-primary);
  border-radius: 6px; background: var(--bf-primary); color: #fff;
  cursor: pointer; font-size: 11px; font-weight: 600;
  display: flex; align-items: center; gap: 4px;
  transition: all .15s; white-space: nowrap;
}
.bf-search-action:hover { background: var(--bf-primary-dark); }
.bf-search-nav {
  display: flex; align-items: center; gap: 2px;
}
.bf-search-nav button {
  padding: 4px 6px; border: 1px solid #e2e8f0; border-radius: 4px;
  background: #fff; cursor: pointer; font-size: 10px; color: #64748b;
  transition: all .15s;
}
.bf-search-nav button:hover { border-color: var(--bf-accent); color: var(--bf-accent); }
.bf-search-count {
  font-size: 11px; color: #64748b; font-weight: 600;
  min-width: 36px; text-align: center;
}
.bf-search-close {
  padding: 4px 8px; border: none; background: none;
  cursor: pointer; color: #94a3b8; font-size: 14px;
  transition: color .15s;
}
.bf-search-close:hover { color: var(--bf-error); }
.bf-search-results {
  max-height: 120px; overflow-y: auto;
  border-top: 1px solid #e2e8f0; margin-top: 4px;
  padding-top: 4px;
}
.bf-search-hit {
  display: flex; align-items: center; gap: 6px;
  padding: 3px 8px; border-radius: 4px;
  cursor: pointer; font-size: 11px; transition: all .15s;
}
.bf-search-hit:hover { background: #f1f5f9; }
.bf-search-hit.active { background: var(--bf-select-bg); }
.bf-search-hit-label {
  font-size: 10px; color: var(--bf-accent); font-weight: 600;
  min-width: 80px; flex-shrink: 0;
}
.bf-search-hit-text {
  color: #64748b; flex: 1; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.bf-search-hit-count {
  font-size: 10px; color: #94a3b8; font-weight: 600;
}

/* ============================================================
   CSS BATCH EDITOR PANEL — v4.0
   ============================================================ */
.bf-css-batch-panel {
  background: #fff; border-bottom: 1px solid #e2e8f0;
  max-height: 340px; overflow: hidden; display: flex;
  flex-direction: column; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(26,40,89,0.06);
  z-index: 49;
}
.bf-css-batch-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 6px 12px; border-bottom: 1px solid #e2e8f0;
  background: #f8fafc;
}
.bf-css-batch-header h4 {
  font-size: 13px; font-weight: 700; color: var(--bf-primary);
  margin: 0; display: flex; align-items: center; gap: 6px;
}
.bf-css-batch-body {
  padding: 8px 12px; overflow-y: auto; flex: 1;
}
.bf-css-batch-row {
  margin-bottom: 8px;
}
.bf-css-batch-row label {
  font-size: 11px; font-weight: 600; color: var(--bf-text-sub);
  margin-bottom: 4px; display: block;
}
.bf-css-batch-info {
  padding: 6px 10px; background: #f0fdf4; border: 1px solid #bbf7d0;
  border-radius: 6px; font-size: 12px; color: #166534;
  margin-bottom: 8px; display: flex; align-items: center; gap: 6px;
}
.bf-css-batch-section { margin-bottom: 10px; }
.bf-css-batch-subtitle {
  font-size: 11px; font-weight: 700; color: var(--bf-primary);
  margin-bottom: 6px; padding-bottom: 4px;
  border-bottom: 1px solid #e2e8f0;
}
.bf-css-batch-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.bf-css-batch-item {
  display: flex; flex-direction: column; gap: 2px;
}
.bf-css-batch-item label {
  font-size: 10px; font-weight: 600; color: #64748b;
}
.bf-css-apply-btn {
  padding: 3px 8px; border: 1px solid var(--bf-primary);
  border-radius: 4px; background: var(--bf-primary); color: #fff;
  cursor: pointer; font-size: 10px; font-weight: 600;
  transition: all .15s; white-space: nowrap;
}
.bf-css-apply-btn:hover { background: var(--bf-primary-dark); }
.bf-css-remove-btn {
  padding: 3px 6px; border: 1px solid #fecaca;
  border-radius: 4px; background: #fff; color: #ef4444;
  cursor: pointer; font-size: 10px; transition: all .15s;
}
.bf-css-remove-btn:hover { background: #fef2f2; }
.bf-css-batch-list {
  max-height: 100px; overflow-y: auto;
  border: 1px solid #e2e8f0; border-radius: 6px;
}
.bf-css-batch-match {
  padding: 3px 8px; font-size: 11px; cursor: pointer;
  border-bottom: 1px solid #f1f5f9;
  display: flex; align-items: center; gap: 6px;
  transition: all .15s;
}
.bf-css-batch-match:hover { background: #f1f5f9; }
.bf-css-batch-match:last-child { border-bottom: none; }

/* ============================================================
   PROJECT MANAGER — v4.0
   ============================================================ */
.bf-project-card {
  padding: 12px; border: 1px solid #e2e8f0;
  border-radius: 8px; margin-bottom: 8px;
  transition: all .15s; background: #fff;
}
.bf-project-card:hover {
  border-color: var(--bf-accent); background: #f8fafc;
  box-shadow: 0 2px 8px rgba(26,40,89,0.06);
}

/* ============================================================
   WYSIWYG INLINE TOOLBAR — v5.0
   ============================================================ */
.bf-inline-toolbar {
  position: fixed;
  z-index: 10000;
  background: #1a1a2e;
  border: 1px solid #333;
  border-radius: 8px;
  padding: 4px 6px;
  display: flex;
  align-items: center;
  gap: 2px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  backdrop-filter: blur(8px);
}
.bf-inline-toolbar button {
  background: transparent;
  border: none;
  color: #cbd5e1;
  width: 30px; height: 30px;
  border-radius: 4px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  transition: all .15s;
}
.bf-inline-toolbar button:hover {
  background: rgba(59,130,246,0.3);
  color: #fff;
}
.bf-inline-toolbar button:active {
  background: #3B82F6;
  color: #fff;
}
.bf-itb-sep {
  width: 1px; height: 20px;
  background: rgba(255,255,255,0.15);
  margin: 0 2px;
}

/* ============================================================
   WYSIWYG CONTEXT MENU — v5.0
   ============================================================ */
.bf-ctx-menu {
  position: fixed;
  z-index: 10001;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
  min-width: 200px;
  max-height: 70vh;
  overflow-y: auto;
  padding: 4px 0;
}
.bf-ctx-header {
  padding: 8px 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--bf-primary);
  background: var(--bf-bg-sub);
  border-bottom: 1px solid #e2e8f0;
}
.bf-ctx-label {
  padding: 6px 14px 2px;
  font-size: 10px;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.bf-ctx-item {
  padding: 7px 14px;
  font-size: 12px;
  cursor: pointer;
  display: flex; align-items: center; gap: 8px;
  color: #334155;
  transition: all .12s;
}
.bf-ctx-item:hover {
  background: var(--bf-select-bg);
  color: var(--bf-primary);
}
.bf-ctx-item i { width: 16px; text-align: center; font-size: 11px; color: var(--bf-accent); }
.bf-ctx-item.bf-ctx-danger { color: #ef4444; }
.bf-ctx-item.bf-ctx-danger:hover { background: #fef2f2; color: #dc2626; }
.bf-ctx-item.bf-ctx-danger i { color: #ef4444; }
.bf-ctx-sep { height: 1px; background: #e2e8f0; margin: 4px 8px; }

/* ============================================================
   WYSIWYG VISUAL HINTS — v5.0
   ============================================================ */
.bf-preview-container { position: relative; }
.bf-preview-container .bf-wysiwyg-hint {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(26,40,89,0.85);
  color: #fff;
  font-size: 10px;
  padding: 4px 10px;
  border-radius: 4px;
  pointer-events: none;
  z-index: 5;
}

/* ============================================================
   ELEMENT POPOVER — v5.0
   ============================================================ */
.bf-el-popover {
  position: fixed;
  z-index: 10002;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.18);
  padding: 14px;
  min-width: 260px;
  max-width: 320px;
}
.bf-pop-close {
  position: absolute; top: 8px; right: 8px;
  background: none; border: none;
  color: #94a3b8; cursor: pointer;
  font-size: 14px; padding: 4px;
  border-radius: 4px;
  transition: all .15s;
}
.bf-pop-close:hover { background: #f1f5f9; color: var(--bf-primary); }
.bf-pop-title {
  font-size: 13px; font-weight: 700;
  color: var(--bf-primary); margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.bf-pop-label {
  font-size: 10px; font-weight: 600;
  color: #64748b; display: block;
  margin: 8px 0 3px;
}
.bf-pop-input {
  width: 100%; padding: 6px 10px;
  border: 1px solid #e2e8f0;
  border-radius: 6px; font-size: 12px;
  transition: border-color .15s;
  background: #f8fafc;
}
.bf-pop-input:focus {
  outline: none;
  border-color: var(--bf-primary);
  background: #fff;
}
.bf-pop-btn {
  width: 100%; padding: 8px;
  border: 1px solid #e2e8f0;
  border-radius: 6px; cursor: pointer;
  font-size: 12px; font-weight: 600;
  margin-top: 10px;
  transition: all .15s;
}
.bf-pop-btn.primary {
  background: var(--bf-primary);
  color: #fff; border-color: var(--bf-primary);
}
.bf-pop-btn.primary:hover {
  background: var(--bf-primary-dark);
}

/* ============================================================
   FILE TABS — v6.0
   ============================================================ */
.bf-file-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #e2e8f0;
  background: #f8fafc;
  padding: 0 8px;
  overflow-x: auto;
}
.bf-file-tab {
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 500;
  color: #64748b;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: all .15s;
}
.bf-file-tab:hover {
  color: var(--bf-primary);
  background: rgba(26,40,89,0.04);
}
.bf-file-tab.active {
  color: var(--bf-primary);
  border-bottom-color: var(--bf-primary);
  background: #fff;
  font-weight: 600;
}

/* ============================================================
   IMPROVED WYSIWYG HINTS — v6.0
   ============================================================ */
.bf-preview-container .bf-wysiwyg-hint {
  position: absolute;
  bottom: 8px; right: 8px;
  background: rgba(26,40,89,0.9);
  color: #fff;
  font-size: 10px;
  padding: 8px 12px;
  border-radius: 8px;
  pointer-events: none;
  z-index: 5;
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  gap: 3px;
  opacity: 0.85;
  transition: opacity .3s;
}
.bf-preview-container:hover .bf-wysiwyg-hint {
  opacity: 0.4;
}
.bf-hint-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.bf-hint-key {
  background: rgba(255,255,255,0.15);
  padding: 1px 6px;
  border-radius: 3px;
  font-weight: 600;
  font-size: 9px;
  min-width: 90px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ============================================================
   CENTER TAB BADGES — v6.0
   ============================================================ */
.bf-center-tab {
  position: relative;
}
.bf-center-tab span[style*="border-radius:8px"] {
  vertical-align: middle;
}

/* ============================================================
   v7.0 — Rich Inspector Panels for img/button/link/heading
   ============================================================ */
.bf-tag-panel {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 10px;
  padding: 10px;
  margin-bottom: 10px;
}
.bf-tag-panel-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--bf-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.bf-tag-panel .bf-form-group {
  margin-bottom: 6px;
}
.bf-tag-panel .bf-label {
  font-size: 10px;
  color: #64748b;
}
.bf-tag-panel .bf-input,
.bf-tag-panel .bf-select {
  font-size: 12px;
  padding: 5px 8px;
}
.bf-preset-btn {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  padding: 4px;
  cursor: pointer;
  transition: all .15s;
  text-align: center;
}
.bf-preset-btn:hover {
  border-color: var(--bf-primary);
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
  transform: translateY(-1px);
}
.bf-inspector-details {
  margin: 0;
}
.bf-inspector-details summary {
  list-style: none;
}
.bf-inspector-details summary::-webkit-details-marker {
  display: none;
}
.bf-inspector-details summary::before {
  content: '▸ ';
  font-size: 10px;
}
.bf-inspector-details[open] summary::before {
  content: '▾ ';
}