/**
 * diagram-list.css
 * =================
 * Styles for the floating multi-diagram list panel.
 * Used by multi-diagram-loader.js when rendering diagram summaries
 * from JSON files or the database.
 *
 * BUG-05 fix: This file was referenced in index.html but did not exist,
 * causing a 404 on every page load.
 */

/* ── Panel container ─────────────────────────────────────────────── */
.diagram-list-panel {
  position: fixed;
  top: calc(var(--toolbar-height, 56px) + 12px);
  right: 16px;
  width: 300px;
  max-height: 420px;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 10px;
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.45),
    0 0 0 1px rgba(99, 102, 241, 0.12);
  display: flex;
  flex-direction: column;
  z-index: 999;
  animation: dlFadeIn 0.18s ease;
  overflow: hidden;
}

@keyframes dlFadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Header ─────────────────────────────────────────────────────── */
.diagram-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid #334155;
  flex-shrink: 0;
}

.diagram-list-title {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #94a3b8;
}

.diagram-list-close {
  background: none;
  border: none;
  color: #64748b;
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color 0.15s, background 0.15s;
}
.diagram-list-close:hover {
  color: #f1f5f9;
  background: rgba(255, 255, 255, 0.06);
}

/* ── Body (scrollable) ─────────────────────────────────────────── */
.diagram-list-body {
  overflow-y: auto;
  flex: 1;
  padding: 6px 0;
  scrollbar-width: thin;
  scrollbar-color: #334155 transparent;
}
.diagram-list-body::-webkit-scrollbar       { width: 4px; }
.diagram-list-body::-webkit-scrollbar-track { background: transparent; }
.diagram-list-body::-webkit-scrollbar-thumb { background: #334155; border-radius: 4px; }

/* ── Row ─────────────────────────────────────────────────────────── */
.diagram-list-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 14px;
  cursor: pointer;
  transition: background 0.12s;
  gap: 8px;
}
.diagram-list-row:hover {
  background: rgba(99, 102, 241, 0.1);
}
.diagram-list-row.active {
  background: rgba(99, 102, 241, 0.18);
  border-left: 3px solid #6366f1;
  padding-left: 11px;
}

.diagram-list-name {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: #e2e8f0;
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.diagram-list-id {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 10px;
  color: #475569;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}