/* Code view tools: autocomplete popup (code-autocomplete.js) + "Building blocks" palette (code-palette.js) */

/* ---------- autocomplete ---------- */
.cac-pop {
  position: fixed; z-index: 1200; display: flex; align-items: flex-start; gap: 0;
  font: 12px/18px var(--mono); pointer-events: auto; animation: pop .08s;
}
.cac-pop.hidden { display: none; }
.cac-list {
  width: 280px; max-height: 248px; overflow: auto; background: var(--bg-3); border: 1px solid var(--line-2);
  border-radius: 6px; box-shadow: var(--shadow); padding: 3px;
}
.cac-item { display: flex; align-items: center; gap: 6px; padding: 1px 6px; border-radius: 4px; cursor: pointer; white-space: nowrap; color: var(--text); }
.cac-item.on { background: color-mix(in srgb, var(--accent) 32%, transparent); }
.cac-kind { width: 14px; text-align: center; font-size: 11px; color: var(--text-3); flex-shrink: 0; }
.cac-kind.k-method, .cac-kind.k-function { color: var(--tk-fn); }
.cac-kind.k-sound, .cac-kind.k-preset { color: var(--tk-sample); }
.cac-kind.k-note, .cac-kind.k-chord, .cac-kind.k-scale { color: var(--tk-note); }
.cac-kind.k-const { color: var(--tk-method); }
.cac-label { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.cac-label b { color: var(--accent-2); font-weight: 700; }
.cac-detail { color: var(--text-3); font-size: 11px; max-width: 120px; overflow: hidden; text-overflow: ellipsis; }
.cac-doc {
  width: 270px; margin-left: 4px; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: 6px;
  box-shadow: var(--shadow); padding: 7px 9px; font-family: var(--font); color: var(--text-2); font-size: 12px; line-height: 1.45;
}
.cac-doc.hidden { display: none; }
.cac-doc p { margin: 4px 0; }
.cac-sig { display: block; font-family: var(--mono); color: var(--tk-fn); font-size: 12px; word-break: break-word; }
.cac-ex { margin: 4px 0 2px; padding: 5px 7px; background: var(--ce-bg); border: 1px solid var(--line); border-radius: 4px; font: 11px/16px var(--mono); white-space: pre-wrap; color: var(--tk-str); }
.cac-keys { font-size: 10px; color: var(--text-3); margin-top: 4px; }

/* ---------- building blocks palette ---------- */
.cpal { position: relative; flex-shrink: 0; min-width: 190px; border-left: 1px solid var(--line); background: var(--panel); display: flex; flex-direction: column; min-height: 0; }
.cpal.hidden { display: none; }
.code-view.is-empty .cpal { display: none; }
.cpal-resizer { position: absolute; left: -3px; top: 0; bottom: 0; width: 6px; cursor: ew-resize; z-index: 2; }
.cpal-resizer:hover { background: color-mix(in srgb, var(--accent) 40%, transparent); }
.cpal-head { display: flex; align-items: center; gap: 6px; padding: 4px 4px 4px 10px; border-bottom: 1px solid var(--line); }
.cpal-help { font-size: 11px; color: var(--text-3); padding: 5px 10px 0; line-height: 1.35; }
.cpal-search { padding: 6px 8px; }
.cpal-search input { width: 100%; }
.cpal-list { flex: 1; overflow: auto; padding: 0 8px 14px; }
.cpal-empty { padding: 8px 2px; font-size: 12px; }
.cpal-group { border-bottom: 1px solid var(--line); padding: 3px 0; }
.cpal-group > summary { cursor: pointer; display: flex; align-items: baseline; gap: 8px; padding: 4px 0; font-weight: 600; font-size: 12px; color: var(--text); list-style: none; }
.cpal-group > summary::-webkit-details-marker { display: none; }
.cpal-group > summary::before { content: '▸'; color: var(--text-3); font-size: 10px; transition: transform .12s; }
.cpal-group[open] > summary::before { transform: rotate(90deg); }
.cpal-gdesc { font-weight: 400; font-size: 11px; color: var(--text-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.cpal-sec { margin: 2px 0 2px 2px; }
.cpal-sec > summary { cursor: pointer; font-size: 11px; color: var(--text-2); padding: 2px 0; text-transform: uppercase; letter-spacing: .05em; }
.cpal-count { margin-left: 6px; color: var(--text-3); font-size: 10px; }
.cpal-chips { display: flex; flex-wrap: wrap; gap: 4px; padding: 3px 0 6px; }
.cpal-chip {
  font: 11.5px/18px var(--mono); padding: 1px 7px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--bg-3); color: var(--text); cursor: grab; user-select: none; touch-action: none; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cpal-chip:hover { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 12%, var(--bg-3)); }
.cpal-chip:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 1px; }
.cpal-chip:active { cursor: grabbing; }
.cpal-chip.dragging { opacity: .45; }
.cpal-chip.k-method { color: var(--tk-method); }
.cpal-chip.k-method .cpal-dot { color: var(--text-3); }
.cpal-chip.k-sound { color: var(--tk-sample); }
.cpal-chip.k-bank { color: var(--tk-sample); border-style: dashed; }
.cpal-chip.k-block { color: var(--tk-fn); border-color: color-mix(in srgb, var(--tk-fn) 45%, var(--line-2)); }
.cpal-chip.k-samples { color: var(--tk-str); border-style: dashed; }
.cpal-chip.k-arg, .cpal-chip.k-slider { color: var(--tk-note); }

.cpal-dropline {
  position: fixed; z-index: 1190; pointer-events: none; border-radius: 3px;
  background: color-mix(in srgb, var(--accent-2) 18%, transparent); box-shadow: inset 3px 0 0 var(--accent-2);
}
.cpal-dropline.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); box-shadow: inset 3px 0 0 var(--bad); }
.cpal-dropline.hidden, .cpal-droplabel.hidden { display: none; }
.cpal-droplabel {
  position: fixed; z-index: 1191; pointer-events: none; font: 11px/16px var(--font); padding: 2px 7px; border-radius: 4px;
  background: var(--accent-2); color: #061018; box-shadow: var(--shadow); white-space: nowrap;
}
.cpal-ghost {
  position: fixed; z-index: 1300; pointer-events: none; font: 12px/18px var(--mono); padding: 1px 8px; border-radius: 10px;
  background: var(--bg-3); border: 1px solid var(--accent-2); color: var(--text); box-shadow: var(--shadow);
}
@media (max-width: 900px) { .cpal { min-width: 170px; } }
.cac-tag { display: inline-block; font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-3); background: var(--bg-4); border-radius: 3px; padding: 0 5px; }

/* ---- prebake (helper libraries evaluated before the code) ---- */
.pb-btn { display: inline-flex; align-items: center; gap: 5px; }
.pb-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--line-2, #555); flex-shrink: 0; }
.pb-dot.pb-ok { background: var(--good, #38d9a9); }
.pb-dot.pb-error { background: var(--bad, #ff6b6b); }
.pb-dot.pb-loading { background: var(--warn, #ffb547); animation: pb-pulse 1s infinite alternate; }
@keyframes pb-pulse { from { opacity: .35; } to { opacity: 1; } }
.pb-panel { display: flex; flex-direction: column; gap: 10px; font-size: 13px; }
.pb-help { margin: 0; font-size: 12px; }
.pb-status { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-radius: 6px; background: var(--bg-3); }
.pb-list { display: flex; flex-direction: column; gap: 6px; }
.pb-subhead { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--text-dim, #999); }
.pb-row { border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 8px; display: flex; flex-direction: column; gap: 4px; }
.pb-row.off { opacity: .65; }
.pb-row-main { display: flex; align-items: center; gap: 8px; min-width: 0; }
.pb-row-text { display: flex; flex-direction: column; min-width: 0; flex: 1; }
.pb-row-text > * { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pb-src, .pb-when { font-size: 11px; }
.pb-proj { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; white-space: nowrap; }
.pb-row-btns { display: flex; gap: 3px; }
.pb-msg { font-size: 11px; font-family: var(--mono); padding: 2px 6px; border-radius: 3px; }
.pb-msg.err { background: color-mix(in srgb, var(--bad, #ff6b6b) 16%, transparent); }
.pb-msg.warn { background: color-mix(in srgb, var(--warn, #ffb547) 14%, transparent); }
.pb-fns summary { cursor: pointer; font-size: 11px; color: var(--text-dim, #999); }
.pb-fn-list { display: flex; flex-direction: column; gap: 2px; max-height: 220px; overflow: auto; padding: 4px 0 0 10px; font-size: 11px; }
.pb-fn code { font-family: var(--mono); }
.pb-add { display: flex; flex-direction: column; gap: 6px; border-top: 1px solid var(--line-2); padding-top: 8px; }
.pb-add-row { display: flex; gap: 6px; align-items: center; }
.pb-add-row input { flex: 1; min-width: 0; }
.pb-code { width: 100%; font-family: var(--mono); font-size: 12px; resize: vertical; box-sizing: border-box; }
.pb-nudge code { font-family: var(--mono); }
.pb-cands { display: flex; flex-direction: column; gap: 4px; }
.pb-cand { justify-content: flex-start; text-align: left; }
.code-pbbar { padding: 5px 10px; font-size: 12px; background: color-mix(in srgb, var(--warn, #ffb547) 12%, var(--bg-2)); border-bottom: 1px solid var(--warn, #ffb547); flex-shrink: 0; }
.pb-hint { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; }
.pb-hint-text { display: flex; align-items: center; gap: 6px; flex: 1 1 280px; }
.pb-hint-text code { font-family: var(--mono); background: var(--bg-3); border-radius: 3px; padding: 0 3px; }
.pb-hint-btns { display: flex; gap: 4px; flex-wrap: wrap; }
@media (max-width: 600px) { .pb-row-main { flex-wrap: wrap; } }