/* ═══════════════════════════════════════════════════════════
   SITE BUILDER — styles v2.1
   ═══════════════════════════════════════════════════════════ */

.sb-app { display:flex; flex-direction:column; height:100%; background:var(--bg1,#0a0a0a); color:var(--text1,#e8e8e8); font-family:'Inter',sans-serif; overflow:hidden; }

/* ── Topbar ────────────────────────────────────────────── */
.sb-topbar { display:flex; align-items:center; justify-content:space-between; padding:0 12px; height:44px; background:var(--bg2,#111); border-bottom:1px solid var(--border,#222); flex-shrink:0; gap:8px; z-index:20; }
.sb-topbar-left, .sb-topbar-right { display:flex; align-items:center; gap:4px; }
.sb-tab { background:none; border:none; color:#888; padding:6px 12px; border-radius:6px; cursor:pointer; font-size:13px; font-weight:500; transition:all .15s; white-space:nowrap; }
.sb-tab:hover { background:var(--bg3,#1a1a1a); color:#ccc; }
.sb-tab.active { background:var(--accent,#ff0040)22; color:var(--accent,#ff0040); box-shadow:inset 0 -2px 0 var(--accent,#ff0040); }
.sb-project-name { font-size:12px; color:#555; padding:0 8px; border-left:1px solid #222; margin-left:4px; }

/* ── Body ──────────────────────────────────────────────── */
.sb-body { flex:1; overflow:hidden; display:flex; flex-direction:column; min-height:0; }
.sb-loading { padding:40px; text-align:center; color:#666; }
.sb-error { color:#ff4444; padding:16px; font-size:13px; }

/* ── Buttons ───────────────────────────────────────────── */
.sb-btn { background:var(--bg3,#1a1a1a); border:1px solid var(--border,#333); color:var(--text1,#e8e8e8); padding:7px 14px; border-radius:7px; cursor:pointer; font-size:13px; font-weight:500; transition:all .15s; white-space:nowrap; }
.sb-btn:hover { background:#222; border-color:#444; }
.sb-btn:disabled { opacity:.5; cursor:not-allowed; }
.sb-btn-primary { background:var(--accent,#ff0040); border-color:var(--accent,#ff0040); color:#fff; }
.sb-btn-primary:hover { background:#cc0033; border-color:#cc0033; }
.sb-btn-danger { background:none; border-color:#ff444444; color:#ff6666; }
.sb-btn-danger:hover { background:#ff000022; border-color:#ff4444; color:#ff4444; }
.sb-btn-sm { padding:4px 10px; font-size:12px; border-radius:5px; }
.sb-icon-btn { background:none; border:none; cursor:pointer; padding:4px 6px; border-radius:5px; font-size:14px; color:#888; transition:all .15s; }
.sb-icon-btn:hover { background:#222; color:#ccc; }

/* ── Form inputs ───────────────────────────────────────── */
.sb-input { width:100%; background:var(--bg3,#1a1a1a); border:1px solid #333; border-radius:6px; color:var(--text1,#e8e8e8); padding:7px 10px; font-size:13px; outline:none; transition:border .15s; font-family:inherit; box-sizing:border-box; }
.sb-input:focus { border-color:var(--accent,#ff0040); box-shadow:0 0 0 2px rgba(255,0,64,.12); }
.sb-input-sm { padding:4px 7px; font-size:12px; }
.sb-select { width:100%; background:var(--bg3,#1a1a1a); border:1px solid #333; border-radius:6px; color:var(--text1,#e8e8e8); padding:6px 8px; font-size:12px; outline:none; cursor:pointer; transition:border .15s; }
.sb-select:focus { border-color:var(--accent,#ff0040); }
.sb-select option { background:#111; }
/* Real color picker input */
.sb-color-input { width:32px; height:32px; border:1px solid #333; border-radius:5px; padding:2px; background:#1a1a1a; cursor:pointer; flex-shrink:0; }
.sb-color-input::-webkit-color-swatch-wrapper { padding:0; border-radius:3px; overflow:hidden; }
.sb-color-input::-webkit-color-swatch { border:none; border-radius:3px; }
.sb-form-group { margin-bottom:12px; }
.sb-form-group label { display:block; font-size:12px; color:#888; margin-bottom:5px; }
textarea.sb-input { resize:vertical; line-height:1.5; }
input[type="range"] { width:100%; accent-color:var(--accent,#ff0040); cursor:pointer; }

/* ── Section/page wrappers ─────────────────────────────── */
.sb-section-wrap { padding:24px; height:100%; overflow-y:auto; box-sizing:border-box; }
.sb-empty-state { text-align:center; padding:60px 20px; color:#555; }
.sb-empty-state .sb-empty-icon, .sb-empty-icon { font-size:48px; margin-bottom:12px; opacity:.4; }
.sb-empty-state p { font-size:13px; }

/* ── Modal ─────────────────────────────────────────────── */
.sb-modal-overlay { position:fixed; inset:0; background:rgba(0,0,0,.75); display:flex; align-items:center; justify-content:center; z-index:2000; backdrop-filter:blur(2px); }
.sb-modal { background:var(--bg2,#111); border:1px solid #333; border-radius:16px; padding:24px; width:100%; max-width:480px; position:relative; max-height:90vh; overflow-y:auto; }
.sb-modal h3 { margin:0 0 20px; font-size:1.1rem; }
.sb-modal-close { position:absolute; top:12px; right:12px; background:none; border:none; color:#888; font-size:18px; cursor:pointer; line-height:1; transition:color .15s; }
.sb-modal-close:hover { color:#fff; }

/* ── Legacy field ──────────────────────────────────────── */
.sb-field { margin-bottom:14px; }
.sb-field label { display:block; font-size:12px; color:#888; margin-bottom:6px; font-weight:500; }
.sb-field input, .sb-field textarea, .sb-field select { width:100%; background:var(--bg3,#1a1a1a); border:1px solid #333; border-radius:8px; color:var(--text1,#e8e8e8); padding:8px 12px; font-size:13px; outline:none; transition:border .15s; font-family:inherit; resize:vertical; }
.sb-field input:focus, .sb-field textarea:focus, .sb-field select:focus { border-color:var(--accent,#ff0040); }

/* ── Projects ──────────────────────────────────────────── */
.sb-projects-wrap { padding:24px; height:100%; overflow-y:auto; box-sizing:border-box; }
.sb-projects-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(220px,1fr)); gap:16px; }
.sb-project-card { background:var(--bg2,#111); border:1px solid #222; border-radius:12px; cursor:pointer; overflow:hidden; transition:all .2s; display:flex; align-items:center; gap:12px; padding:14px; position:relative; }
.sb-project-card:hover { border-color:#444; transform:translateY(-2px); box-shadow:0 8px 24px rgba(0,0,0,.4); }
.sb-proj-thumb { width:44px; height:44px; border-radius:8px; background:var(--accent,#ff0040)22; display:flex; align-items:center; justify-content:center; font-size:16px; font-weight:700; color:var(--accent,#ff0040); flex-shrink:0; }
.sb-proj-info { flex:1; min-width:0; }
.sb-proj-name { font-weight:600; font-size:14px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.sb-proj-date { font-size:12px; color:#555; margin-top:2px; }
.sb-proj-actions { display:flex; gap:4px; opacity:0; transition:.15s; }
.sb-project-card:hover .sb-proj-actions { opacity:1; }

/* ── Templates ─────────────────────────────────────────── */
.sb-tpl-grid { display:flex; gap:10px; }
.sb-tpl-card { flex:1; background:var(--bg3,#1a1a1a); border:2px solid #333; border-radius:10px; padding:14px; text-align:center; cursor:pointer; transition:all .15s; font-size:13px; }
.sb-tpl-card:hover { border-color:#555; }
.sb-tpl-card.active { border-color:var(--accent,#ff0040); background:var(--accent,#ff0040)11; }
.sb-tpl-icon { font-size:26px; margin-bottom:6px; }

/* ══════════════════════════════════════════════════════════
   CANVAS EDITOR  v2.1
   ══════════════════════════════════════════════════════════ */

.sb-editor-wrap { display:flex; flex-direction:column; height:100%; overflow:hidden; }

/* ── Toolbar ───────────────────────────────────────────── */
.sb-editor-toolbar { display:flex; align-items:center; gap:4px; padding:0 10px; height:44px; background:var(--bg2,#111); border-bottom:1px solid #222; flex-shrink:0; overflow-x:auto; scrollbar-width:none; }
.sb-editor-toolbar::-webkit-scrollbar { display:none; }
.sb-tb-group { display:flex; align-items:center; gap:2px; }
.sb-tb-sep { width:1px; height:24px; background:#2a2a2a; margin:0 6px; flex-shrink:0; }
.sb-tool { background:none; border:1px solid transparent; color:#888; width:32px; height:32px; border-radius:7px; cursor:pointer; font-size:14px; display:flex; align-items:center; justify-content:center; transition:all .15s; flex-shrink:0; padding:0; }
.sb-tool:hover { background:#1e1e1e; color:#ccc; border-color:#2a2a2a; }
.sb-tool.active { background:var(--accent,#ff0040)22; border-color:var(--accent,#ff0040)88; color:var(--accent,#ff0040); box-shadow:inset 0 0 0 1px var(--accent,#ff0040)33; }
.sb-zoom-group { gap:4px; }
.sb-zoom-label { font-size:12px; color:#888; min-width:38px; text-align:center; cursor:default; font-variant-numeric:tabular-nums; }

/* ── Editor main area ──────────────────────────────────── */
/* CRITICAL FIX: flex:1 + min-height:0 so it doesn't overflow */
.sb-editor-main { display:flex; flex:1; overflow:hidden; min-height:0; }

/* ── Layers panel ──────────────────────────────────────── */
.sb-layers-panel { width:200px; flex-shrink:0; background:var(--bg1,#0a0a0a); border-right:1px solid #222; display:flex; flex-direction:column; overflow:hidden; min-height:0; }
.sb-panel-header { display:flex; flex-direction:column; padding:8px; border-bottom:1px solid #1e1e1e; flex-shrink:0; font-size:11px; font-weight:600; color:#555; text-transform:uppercase; letter-spacing:.06em; gap:6px; }
/* ── Pages bar ─────────────────────────────────────────────── */
.sb-pages-bar { display:flex; align-items:center; justify-content:space-between; height:36px; flex-shrink:0; background:#0c0c0c; border-top:1px solid #1e1e1e; padding:0 8px; gap:8px; overflow:hidden; }
.sb-pages-tabs-row { display:flex; align-items:center; gap:2px; overflow-x:auto; flex:1; min-width:0; scrollbar-width:none; }
.sb-pages-tabs-row::-webkit-scrollbar { display:none; }
.sb-page-tab-wrap { display:flex; align-items:center; position:relative; }
.sb-page-tab { background:none; border:1px solid #252525; color:#666; padding:3px 10px 3px 8px; border-radius:5px 5px 0 0; cursor:pointer; font-size:11px; white-space:nowrap; transition:all .15s; border-bottom:none; margin-bottom:-1px; }
.sb-page-tab:hover { border-color:#3a3a3a; color:#bbb; }
.sb-page-tab.active { border-color:#333; color:#fff; background:#141414; border-bottom:1px solid #141414; }
.sb-page-tab-del { position:absolute; right:2px; top:50%; transform:translateY(-50%); background:none; border:none; color:#444; cursor:pointer; font-size:12px; padding:0 2px; line-height:1; display:none; }
.sb-page-tab-wrap:hover .sb-page-tab-del { display:block; color:#888; }
.sb-page-tab-del:hover { color:#ff4444; }
.sb-page-add-btn { background:none; border:1px dashed #2a2a2a; color:#555; padding:3px 8px; border-radius:5px; cursor:pointer; font-size:11px; white-space:nowrap; transition:all .15s; flex-shrink:0; }
.sb-page-add-btn:hover { border-color:#444; color:#ccc; }
.sb-pages-bar-right { display:flex; align-items:center; gap:8px; flex-shrink:0; }

/* Layers list with thin custom scrollbar */
.sb-layers-list { flex:1; overflow-y:auto; padding:4px; min-height:0; scrollbar-width:thin; scrollbar-color:#2a2a2a transparent; }
.sb-layers-list::-webkit-scrollbar { width:4px; }
.sb-layers-list::-webkit-scrollbar-track { background:transparent; }
.sb-layers-list::-webkit-scrollbar-thumb { background:#2a2a2a; border-radius:2px; }
.sb-layers-list::-webkit-scrollbar-thumb:hover { background:#3a3a3a; }

.sb-layer-item { display:flex; align-items:center; gap:6px; padding:5px 6px; border-radius:6px; cursor:pointer; transition:background .1s; font-size:12px; }
.sb-layer-item:hover { background:#1a1a1a; }
.sb-layer-item.selected { background:var(--accent,#ff0040)18; }
.sb-layer-icon { font-size:13px; flex-shrink:0; width:18px; text-align:center; }
.sb-layer-name { flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:#bbb; }
.sb-layer-item.selected .sb-layer-name { color:var(--accent,#ff0040); }
.sb-layer-btns { display:flex; gap:2px; opacity:0; transition:.1s; }
.sb-layer-item:hover .sb-layer-btns { opacity:1; }
.sb-layer-btns button { background:none; border:none; color:#666; cursor:pointer; padding:1px 3px; font-size:11px; border-radius:3px; }
.sb-layer-btns button:hover { color:#ccc; background:#2a2a2a; }

/* ── Canvas viewport ───────────────────────────────────── */
.sb-cv-wrap { flex:1; position:relative; overflow:hidden; background:#141414; background-image:radial-gradient(circle, #1e1e1e 1px, transparent 1px); background-size:20px 20px; cursor:default; min-width:0; min-height:0; }
.sb-cv-stage { position:absolute; top:0; left:0; transform-origin:0 0; will-change:transform; }
.sb-cv-page { background:#fff; position:relative; box-shadow:0 4px 32px rgba(0,0,0,.6); overflow:visible; }

/* ── Selection handles ─────────────────────────────────── */
.sb-handle { position:absolute; width:10px; height:10px; background:#fff; border:2px solid #0066ff; border-radius:2px; box-sizing:border-box; z-index:12; }

/* ── Properties panel ──────────────────────────────────── */
.sb-props-panel { width:240px; flex-shrink:0; background:var(--bg1,#0a0a0a); border-left:1px solid #222; overflow-y:auto; display:flex; flex-direction:column; scrollbar-width:thin; scrollbar-color:#2a2a2a transparent; }
.sb-props-panel::-webkit-scrollbar { width:4px; }
.sb-props-panel::-webkit-scrollbar-track { background:transparent; }
.sb-props-panel::-webkit-scrollbar-thumb { background:#2a2a2a; border-radius:2px; }
.sb-props-empty { flex:1; display:flex; flex-direction:column; align-items:center; justify-content:center; color:#444; font-size:12px; gap:8px; padding:20px; text-align:center; }
.sb-props-wrap { padding:10px; display:flex; flex-direction:column; gap:2px; }
.sb-props-header { display:flex; align-items:center; gap:6px; margin-bottom:10px; }
.sb-props-name { flex:1; font-size:13px; font-weight:600; color:#ccc; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.sb-props-section { margin-bottom:8px; }
.sb-props-label { font-size:11px; color:#555; font-weight:600; text-transform:uppercase; letter-spacing:.06em; margin-bottom:4px; }
.sb-props-row4 { display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:4px; }
.sb-props-row4 label { display:flex; flex-direction:column; font-size:10px; color:#666; gap:2px; }
.sb-props-row2 { display:grid; grid-template-columns:1fr 1fr; gap:6px; align-items:end; }
.sb-props-row2 label { display:flex; flex-direction:column; font-size:10px; color:#666; gap:2px; }
.sb-props-row3 { display:grid; grid-template-columns:1fr 1fr auto; gap:4px; align-items:center; }
.sb-props-tabs { display:flex; gap:2px; margin-bottom:8px; }
.sb-props-tab { flex:1; background:none; border:1px solid #2a2a2a; color:#666; padding:4px; border-radius:5px; cursor:pointer; font-size:11px; transition:all .12s; }
.sb-props-tab:hover { border-color:#444; color:#ccc; }
.sb-props-tab.active { background:var(--accent,#ff0040)18; border-color:var(--accent,#ff0040)66; color:var(--accent,#ff0040); }

/* ── Align buttons ─────────────────────────────────────── */
.sb-align-btns { display:flex; gap:3px; flex-wrap:wrap; }
.sb-align-btn { background:none; border:1px solid #2a2a2a; color:#777; width:32px; height:28px; border-radius:5px; cursor:pointer; font-size:13px; transition:all .12s; display:flex; align-items:center; justify-content:center; }
.sb-align-btn:hover { border-color:#444; color:#ccc; background:#1a1a1a; }
.sb-align-btn.active { background:var(--accent,#ff0040)18; border-color:var(--accent,#ff0040)66; color:var(--accent,#ff0040); }

/* ── Context menu ──────────────────────────────────────── */
.sb-ctx-menu { background:var(--bg2,#111); border:1px solid #333; border-radius:10px; padding:4px; min-width:180px; box-shadow:0 8px 24px rgba(0,0,0,.6); z-index:9999; }
.sb-ctx-item { padding:7px 12px; border-radius:6px; cursor:pointer; font-size:13px; color:#ccc; transition:background .1s; }
.sb-ctx-item:hover { background:#1e1e1e; }
.sb-ctx-danger { color:#ff6666; }
.sb-ctx-danger:hover { background:#ff000022; }
.sb-ctx-sep { height:1px; background:#222; margin:4px 0; }

/* Snap-to-grid indicator */
.sb-grid-indicator { position:absolute; bottom:8px; right:8px; font-size:10px; color:#333; pointer-events:none; }

/* ── Servers ───────────────────────────────────────────── */
.sb-server-card { background:var(--bg2,#111); border:1px solid #222; border-radius:10px; padding:16px; display:flex; align-items:center; gap:16px; margin-bottom:12px; }
.sb-server-info { flex:1; min-width:0; }
.sb-server-alias { font-weight:600; font-size:14px; margin-bottom:4px; }
.sb-server-meta { font-size:12px; color:#666; }
.sb-server-actions { display:flex; gap:8px; align-items:center; }
.sb-status-dot { width:8px; height:8px; border-radius:50%; display:inline-block; flex-shrink:0; }
.sb-spinner-small { display:inline-block; width:12px; height:12px; border:2px solid #333; border-top-color:var(--accent,#ff0040); border-radius:50%; animation:sb-spin .7s linear infinite; }
@keyframes sb-spin { to { transform:rotate(360deg); } }

/* ── Deploy ────────────────────────────────────────────── */
.sb-deploy-panel { display:grid; grid-template-columns:1fr 300px; gap:24px; }
.sb-deploy-form { background:var(--bg2,#111); border:1px solid #222; border-radius:12px; padding:20px; }
.sb-deploy-history { background:var(--bg2,#111); border:1px solid #222; border-radius:12px; padding:20px; }
.sb-deploy-log { background:#000; border:1px solid #222; border-radius:8px; padding:12px; font-family:monospace; font-size:12px; line-height:1.7; max-height:280px; overflow-y:auto; color:#0f0; white-space:pre-wrap; word-break:break-all; }

/* ── Claude ────────────────────────────────────────────── */
.sb-claude-layout { display:flex; flex-direction:column; height:100%; overflow:hidden; }
.sb-claude-header { padding:16px 20px; border-bottom:1px solid #222; flex-shrink:0; }
.sb-claude-header h2 { margin:0 0 4px; font-size:1rem; }
.sb-claude-messages { flex:1; overflow-y:auto; padding:16px 20px; display:flex; flex-direction:column; gap:12px; min-height:0; }
.sb-claude-welcome { text-align:center; padding:40px 20px; color:#666; }
.sb-claude-welcome h3 { color:#888; margin-bottom:8px; }
.sb-claude-welcome p { font-size:13px; line-height:1.7; }
.sb-claude-msg { display:flex; }
.sb-claude-user { justify-content:flex-end; }
.sb-claude-assistant { justify-content:flex-start; }
.sb-claude-bubble { max-width:80%; padding:10px 14px; border-radius:12px; font-size:13px; line-height:1.6; word-break:break-word; }
.sb-claude-user .sb-claude-bubble { background:var(--accent,#ff0040); color:#fff; border-bottom-right-radius:4px; }
.sb-claude-assistant .sb-claude-bubble { background:var(--bg3,#1a1a1a); color:#ccc; border-bottom-left-radius:4px; }
.sb-claude-input { display:flex; gap:8px; padding:12px 16px; border-top:1px solid #222; flex-shrink:0; }
.sb-claude-input textarea { flex:1; background:var(--bg3,#1a1a1a); border:1px solid #333; border-radius:8px; color:#e8e8e8; padding:8px 12px; font-size:13px; outline:none; resize:none; font-family:inherit; line-height:1.5; transition:border .15s; }
.sb-claude-input textarea:focus { border-color:var(--accent,#ff0040); }

/* ══════════════════════════════════════════════════════════
   BACKEND CONSTRUCTOR
   ══════════════════════════════════════════════════════════ */
.sb-be-layout { display:grid; grid-template-columns:180px 1fr 240px; height:100%; overflow:hidden; }
.sb-be-palette { display:flex; flex-direction:column; gap:6px; padding:12px; border-right:1px solid #222; overflow-y:auto; background:var(--bg1,#0a0a0a); scrollbar-width:thin; scrollbar-color:#2a2a2a transparent; }
.sb-be-palette h4 { margin:0 0 8px; font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:#666; }
.sb-be-palette-item { padding:8px 10px; background:var(--bg2,#111); border:1px solid #2a2a2a; border-radius:8px; font-size:12px; cursor:grab; user-select:none; display:flex; align-items:center; gap:6px; transition:border-color .15s; }
.sb-be-palette-item:hover { border-color:#444; background:#161616; }
.sb-be-palette-item:active { cursor:grabbing; opacity:.7; }
.sb-be-canvas-wrap { position:relative; overflow:hidden; background:#080808; background-image:radial-gradient(circle, #1a1a1a 1px, transparent 1px); background-size:24px 24px; }
.sb-be-canvas { position:absolute; top:0; left:0; width:100%; height:100%; }
.sb-be-svg { position:absolute; top:0; left:0; width:100%; height:100%; pointer-events:none; overflow:visible; }
.sb-be-edge { stroke:#444; stroke-width:2; fill:none; pointer-events:stroke; cursor:pointer; }
.sb-be-edge:hover { stroke:#ff0040; stroke-width:2.5; }
.sb-be-edge-animated { stroke-dasharray:6 4; animation:sb-be-flow 1.5s linear infinite; }
@keyframes sb-be-flow { to { stroke-dashoffset:-20; } }
.sb-be-connect-line { stroke:#ff0040; stroke-width:2; fill:none; stroke-dasharray:5 4; pointer-events:none; }
.sb-be-node { position:absolute; min-width:180px; background:var(--bg2,#111); border:1px solid #2a2a2a; border-radius:10px; box-shadow:0 4px 16px rgba(0,0,0,.4); user-select:none; }
.sb-be-node.selected { border-color:var(--accent,#ff0040); box-shadow:0 0 0 2px rgba(255,0,64,.2),0 4px 16px rgba(0,0,0,.4); }
.sb-be-node-header { display:flex; align-items:center; gap:6px; padding:8px 10px; border-bottom:1px solid #1e1e1e; border-radius:10px 10px 0 0; cursor:move; font-size:12px; font-weight:600; }
.sb-be-node-type { font-size:10px; color:#666; font-weight:400; margin-left:auto; }
.sb-be-node-body { padding:8px 0; }
.sb-be-port-row { display:flex; align-items:center; padding:3px 10px; font-size:11px; color:#888; gap:6px; }
.sb-be-port-row.output { justify-content:flex-end; }
.sb-be-port { width:12px; height:12px; border-radius:50%; border:2px solid #444; background:#111; cursor:crosshair; flex-shrink:0; transition:border-color .1s, background .1s; }
.sb-be-port:hover { border-color:var(--accent,#ff0040); background:rgba(255,0,64,.15); }
.sb-be-port.connected { border-color:#55ff55; background:rgba(85,255,85,.15); }
.sb-be-node-field { font-size:11px; padding:2px 10px; color:#aaa; display:flex; align-items:center; gap:4px; }
.sb-be-node-del { position:absolute; top:6px; right:6px; width:18px; height:18px; border:none; background:none; color:#444; cursor:pointer; font-size:14px; line-height:1; padding:0; border-radius:3px; display:none; transition:color .1s; }
.sb-be-node:hover .sb-be-node-del { display:block; }
.sb-be-node-del:hover { color:#ff4444; }
.sb-be-props { border-left:1px solid #222; overflow-y:auto; background:var(--bg1,#0a0a0a); padding:12px; scrollbar-width:thin; scrollbar-color:#2a2a2a transparent; }
.sb-be-props h4 { margin:0 0 12px; font-size:11px; text-transform:uppercase; letter-spacing:.06em; color:#666; }
.sb-be-props-group { margin-bottom:16px; }
.sb-be-props-group label { display:block; font-size:11px; color:#666; margin-bottom:4px; }
.sb-be-props-group input, .sb-be-props-group select { width:100%; background:var(--bg2,#111); border:1px solid #2a2a2a; border-radius:6px; color:#e8e8e8; padding:6px 8px; font-size:12px; outline:none; }
.sb-be-props-group input:focus, .sb-be-props-group select:focus { border-color:var(--accent,#ff0040); }
.sb-be-field-row { display:flex; gap:4px; align-items:center; margin-bottom:6px; }
.sb-be-field-row input, .sb-be-field-row select { flex:1; min-width:0; }
.sb-be-field-del { background:none; border:none; color:#555; cursor:pointer; padding:0 4px; font-size:14px; transition:color .1s; }
.sb-be-field-del:hover { color:#ff4444; }
.sb-be-empty { display:flex; flex-direction:column; align-items:center; justify-content:center; height:100%; color:#333; gap:8px; pointer-events:none; }
.sb-be-empty-icon { font-size:48px; opacity:.3; }
.sb-be-empty p { font-size:13px; }

/* ── AI Panel ──────────────────────────────────────────────── */
.sb-ai-panel { border-top:1px solid #1e1e1e; background:#0a0a0a; flex-shrink:0; }

/* ── Code block ─────────────────────────────────────────────── */
.sb-code-ta { font-family:'Fira Code',monospace,monospace; font-size:11px; line-height:1.5; background:#0d1117; color:#e6edf3; border:1px solid #2a2a2a; border-radius:6px; padding:8px; resize:vertical; min-height:80px; white-space:pre; overflow-x:auto; transition:border-color .15s; }
.sb-code-ta:focus { border-color:var(--accent,#ff0040); outline:none; }