/* ── Overlay + Panel ── */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 50;
  opacity: 0; pointer-events: none; transition: opacity .2s; backdrop-filter: blur(2px);
}
.overlay.open { opacity: 1; pointer-events: all; }

.kb-panel {
  position: fixed; right: 0; top: 0; bottom: 0; width: 480px;
  background: var(--surface); border-left: 1px solid var(--b1);
  z-index: 51; display: flex; flex-direction: column;
  transform: translateX(100%); transition: transform .24s cubic-bezier(.4,0,.2,1);
}
.kb-panel.open { transform: none; }

/* Header */
.kb-hdr {
  padding: 15px 17px; border-bottom: 1px solid var(--b1);
  display: flex; align-items: center; gap: 9px;
}
.kb-hdr-text  { flex: 1; }
.kb-hdr-title { font-size: 14px; font-weight: 600; }
.kb-hdr-sub   { font-size: 11px; color: var(--t3); margin-top: 1px; }
.kb-close-btn {
  width: 27px; height: 27px; background: transparent; border: none;
  color: var(--t2); cursor: pointer; border-radius: 6px;
  display: grid; place-items: center; transition: .15s;
}
.kb-close-btn:hover { background: var(--panel); }

/* Tabs */
.kb-tabs { display: flex; border-bottom: 1px solid var(--b1); padding: 0 17px; }
.kb-tab {
  padding: 9px 12px; font-size: 12px; color: var(--t3);
  cursor: pointer; border-bottom: 2px solid transparent;
  transition: .15s; margin-bottom: -1px; user-select: none;
}
.kb-tab.active { color: var(--ac); border-color: var(--ac); }

/* Body */
.kb-body { flex: 1; overflow-y: auto; padding: 14px 17px; }
.kb-body::-webkit-scrollbar { width: 3px; }
.kb-body::-webkit-scrollbar-thumb { background: var(--b2); border-radius: 2px; }

/* Stats */
.kb-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 7px; margin-bottom: 13px; }
.kb-stat { background: var(--panel); border: 1px solid var(--b1); border-radius: var(--r); padding: 9px 11px; text-align: center; }
.kb-stat-v { font-size: 20px; font-weight: 600; font-family: var(--mono); }
.kb-stat-l { font-size: 10px; color: var(--t3); margin-top: 1px; }

/* Search bar */
.kb-search {
  display: flex; align-items: center; gap: 7px;
  background: var(--panel); border: 1px solid var(--b2);
  border-radius: var(--r); padding: 7px 10px; margin-bottom: 11px; transition: .15s;
}
.kb-search:focus-within { border-color: rgba(59,124,247,.4); }
.kb-search input { flex: 1; background: transparent; border: none; outline: none; font-family: var(--sans); font-size: 13px; color: var(--t1); }
.kb-search input::placeholder { color: var(--t3); }

/* Entry cards */
.entry-card { border: 1px solid var(--b1); border-radius: var(--r); margin-bottom: 7px; overflow: hidden; transition: border-color .15s; }
.entry-card:hover { border-color: var(--b2); }

.entry-hdr { padding: 9px 11px; display: flex; align-items: center; gap: 8px; cursor: pointer; background: var(--panel); }
.entry-icon { width: 25px; height: 25px; border-radius: 6px; display: grid; place-items: center; flex-shrink: 0; font-size: 12px; }
.ic-product   { background: rgba(59,124,247,.12); }
.ic-flow      { background: rgba(245,158,11,.12); }
.ic-objection { background: rgba(239,68,68,.1); }
.ic-general   { background: rgba(139,92,246,.1); }

.entry-info   { flex: 1; min-width: 0; }
.entry-title  { font-size: 13px; font-weight: 500; color: var(--t1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-meta   { font-size: 11px; color: var(--t3); margin-top: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.entry-actions { display: flex; gap: 3px; opacity: 0; transition: .15s; }
.entry-card:hover .entry-actions { opacity: 1; }
.act-btn { width: 24px; height: 24px; background: transparent; border: none; color: var(--t3); cursor: pointer; border-radius: 5px; display: grid; place-items: center; transition: .15s; }
.act-btn:hover { background: var(--bg); color: var(--t1); }
.act-btn.del:hover { color: var(--re); }

.entry-chevron { color: var(--t3); transition: transform .15s; flex-shrink: 0; }
.entry-card.open .entry-chevron { transform: rotate(180deg); }

.entry-body { display: none; background: var(--bg); border-top: 1px solid var(--b1); }
.entry-card.open .entry-body { display: block; }

.entry-view  { padding: 11px 13px; font-size: 12px; font-family: var(--mono); line-height: 1.7; color: var(--t2); white-space: pre-wrap; }
.entry-edit  { padding: 11px 13px; display: flex; flex-direction: column; gap: 8px; }
.edit-actions { display: flex; gap: 7px; }

/* Add form */
.add-form { background: var(--panel); border: 1px solid var(--b2); border-radius: var(--r); padding: 13px; margin-bottom: 12px; display: flex; flex-direction: column; gap: 9px; }
.add-form-title { font-size: 12px; font-weight: 600; color: var(--t2); }

/* Empty / loading */
.kb-empty { text-align: center; padding: 36px 16px; color: var(--t3); }
.kb-empty-ico { font-size: 28px; margin-bottom: 8px; }
.kb-empty-txt { font-size: 13px; margin-bottom: 14px; line-height: 1.6; }
.kb-loading { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 30px; color: var(--t3); font-size: 13px; }