#curlBuilderView {
  --cb-bg:#f0f4f8; --cb-surface:#fff; --cb-surface2:#f7f9fc;
  --cb-border:#dde3ee; --cb-border2:#e8ecf4; --cb-text:#0f1923;
  --cb-muted:#52657e; --cb-faint:#9aaabb; --cb-purple:#7c3aed; --cb-purple-l:#f1ebfe;
  --cb-success:#107c10; --cb-warn:#d83b01;
  --cb-shadow:0 1px 3px rgba(0,0,0,.07), 0 4px 14px rgba(0,0,0,.05);
  --cb-glow:rgba(124,58,237,.10);
}
body.dark #curlBuilderView {
  --cb-bg:#0b0f1a; --cb-surface:#111827; --cb-surface2:#1a2235;
  --cb-border:#1e2d42; --cb-border2:#243044; --cb-text:#e8edf8;
  --cb-muted:#7a8aa8; --cb-faint:#3a4a64; --cb-purple:#a78bfa; --cb-purple-l:#241c3d;
  --cb-success:#4ec94e; --cb-warn:#f97316;
  --cb-shadow:0 1px 3px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.2);
  --cb-glow:rgba(167,139,250,.12);
}
#curlBuilderView { min-height:100vh; background:var(--cb-bg); font-family:'IBM Plex Sans',sans-serif; color:var(--cb-text); display:flex; flex-direction:column; }
.cb-header { display:flex; align-items:center; gap:14px; padding:0 32px; height:58px; background:var(--cb-surface); border-bottom:2px solid var(--cb-purple); box-shadow:0 2px 8px var(--cb-glow); position:sticky; top:0; z-index:100; flex-shrink:0; }
.cb-back-btn { display:flex; align-items:center; gap:6px; background:none; border:1.5px solid var(--cb-border); border-radius:7px; padding:5px 11px; cursor:pointer; color:var(--cb-muted); font-size:11px; font-family:'IBM Plex Mono',monospace; font-weight:600; }
.cb-back-btn:hover { border-color:var(--cb-purple); color:var(--cb-purple); }
.cb-header-logo { width:28px; height:28px; background:var(--cb-purple); border-radius:6px; display:flex; align-items:center; justify-content:center; flex-shrink:0; box-shadow:0 0 14px var(--cb-glow); }
.cb-header-logo svg { width:16px; height:16px; }
.cb-header h1 { font-size:15px; font-weight:600; letter-spacing:-.01em; flex:1; }
.cb-header-badge { font-family:'IBM Plex Mono',monospace; font-size:10px; font-weight:600; color:var(--cb-purple); border:1px solid var(--cb-purple); background:var(--cb-purple-l); padding:2px 9px; border-radius:20px; opacity:.85; }
.cb-dark-toggle-btn { display:flex; align-items:center; justify-content:center; width:32px; height:32px; border-radius:8px; cursor:pointer; border:1.5px solid var(--cb-border); background:var(--cb-surface2); color:var(--cb-muted); flex-shrink:0; }
.cb-dark-toggle-btn:hover { border-color:var(--cb-purple); color:var(--cb-purple); }
.cb-body { padding:24px 28px; display:grid; grid-template-columns:1fr 1fr; gap:20px; max-width:1300px; margin:0 auto; width:100%; flex:1; }
@media(max-width:960px){ .cb-body{ grid-template-columns:1fr; } }
.cb-panel { background:var(--cb-surface); border:1px solid var(--cb-border); border-radius:10px; padding:18px 20px; box-shadow:var(--cb-shadow); margin-bottom:16px; }
.cb-panel-title { font-size:11.5px; font-weight:600; text-transform:uppercase; letter-spacing:.04em; color:var(--cb-muted); margin-bottom:12px; }
.cb-url-row { display:flex; gap:8px; margin-bottom:4px; }
.cb-url-row select { background:var(--cb-surface2); border:1.5px solid var(--cb-border); border-radius:7px; padding:8px 10px; font-size:12px; font-weight:700; color:var(--cb-purple); cursor:pointer; }
.cb-url-row input { flex:1; background:var(--cb-surface2); border:1.5px solid var(--cb-border); border-radius:7px; padding:8px 12px; font-size:12.5px; font-family:'IBM Plex Mono',monospace; color:var(--cb-text); }
.cb-kv-row { display:flex; gap:6px; margin-bottom:6px; }
.cb-kv-row input { flex:1; background:var(--cb-surface2); border:1.5px solid var(--cb-border); border-radius:6px; padding:6px 9px; font-size:11.5px; font-family:'IBM Plex Mono',monospace; color:var(--cb-text); }
.cb-kv-remove { background:none; border:none; color:var(--cb-faint); cursor:pointer; font-size:15px; padding:0 6px; }
.cb-kv-remove:hover { color:var(--cb-warn); }
.cb-add-row-btn { background:none; border:1.5px dashed var(--cb-border); color:var(--cb-muted); border-radius:6px; padding:5px 10px; font-size:11px; cursor:pointer; font-family:'IBM Plex Sans',sans-serif; }
.cb-add-row-btn:hover { border-color:var(--cb-purple); color:var(--cb-purple); }
.cb-field-row { display:flex; gap:10px; margin-bottom:10px; flex-wrap:wrap; }
.cb-field-row label { font-size:10.5px; text-transform:uppercase; letter-spacing:.04em; color:var(--cb-muted); font-weight:600; display:block; margin-bottom:4px; }
.cb-field-row select, .cb-field-row input[type=text], .cb-field-row textarea {
  background:var(--cb-surface2); border:1.5px solid var(--cb-border); border-radius:7px;
  padding:7px 10px; font-size:12px; color:var(--cb-text); font-family:'IBM Plex Mono',monospace; width:100%;
}
.cb-field-col { flex:1; min-width:140px; }
textarea.cb-body-textarea { min-height:90px; resize:vertical; font-family:'IBM Plex Mono',monospace; }
.cb-flags { display:flex; flex-wrap:wrap; gap:12px; font-size:11.5px; }
.cb-flags label { display:flex; align-items:center; gap:5px; cursor:pointer; }
.cb-tabs { display:flex; gap:4px; margin-bottom:10px; }
.cb-tab { background:none; border:1.5px solid var(--cb-border); border-radius:7px; padding:5px 12px; font-size:11.5px; font-weight:600; color:var(--cb-muted); cursor:pointer; }
.cb-tab.cb-tab-active { border-color:var(--cb-purple); color:var(--cb-purple); background:var(--cb-purple-l); }
.cb-output { position:relative; background:#0f1520; border-radius:8px; padding:14px 16px; font-family:'IBM Plex Mono',monospace; font-size:11.5px; color:#d8e2f0; white-space:pre-wrap; word-break:break-all; min-height:80px; }
body.dark .cb-output { background:#060a12; }
.cb-copy-btn { position:absolute; top:10px; right:10px; background:rgba(255,255,255,.1); border:none; color:#d8e2f0; border-radius:5px; padding:4px 10px; font-size:10.5px; cursor:pointer; }
.cb-copy-btn:hover { background:rgba(255,255,255,.2); }
.cb-try-result { margin-top:12px; font-size:12px; }
.cb-try-result .cb-status-ok { color:var(--cb-success); font-weight:700; }
.cb-try-result .cb-status-bad { color:var(--cb-warn); font-weight:700; }
.cb-caveat { font-size:11px; color:var(--cb-faint); line-height:1.6; margin-top:10px; }