:root { --tree-w: 400px; --panel-bg: #0d1117; --panel-border: #30363d; }
html, body { height: 100%; }
body { background: #0a0d12; }
.layout { display: grid; grid-template-columns: var(--tree-w) 1fr; height: calc(100vh - 92px); }
.left-pane {
  border-right: 1px solid var(--panel-border);
  overflow-y: auto;
  background: var(--panel-bg);
}
.right-pane { overflow: auto; padding: 1rem 1.25rem; }
.tree { list-style: none; padding-left: 0.5rem; margin: 0; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
.tree li { padding: 2px 0; cursor: pointer; }
.tree li.dir > .label { color: #8b949e; }
.tree li.file:hover, .tree li.dir > .label:hover { background: #161b22; }
.tree li.active > .label { background: #1f6feb; color: #fff; border-radius: 3px; padding: 0 4px; }
.tree ul { list-style: none; padding-left: 1rem; }
.search-bar { padding: 0.5rem; border-bottom: 1px solid var(--panel-border); }
.viewer-toolbar {
  display: flex; gap: 0.5rem; align-items: center;
  padding: 0.25rem 0; border-bottom: 1px solid var(--panel-border);
  margin-bottom: 0.75rem;
}
.viewer-content { max-width: 80ch; }

/* v0.6 in-app editor */
.viewer-editor {
  width: 100%;
  min-height: calc(100vh - 220px);
  font-family: ui-monospace, Menlo, Consolas, monospace;
  font-size: 13px;
  line-height: 1.5;
  padding: 10px 12px;
  resize: vertical;
  outline: none;
}
.viewer-editor:focus {
  border-color: #1f6feb !important;
  box-shadow: 0 0 0 1px #1f6feb;
}
#save-btn.dirty { box-shadow: 0 0 0 2px #ffc107; }
.viewer-content pre { background: #161b22; padding: 0.75rem; border-radius: 4px; }
.viewer-content code { font-size: 13px; }
.meta-bar {
  margin-top: 1.5rem; padding-top: 0.5rem; font-size: 12px;
  color: #8b949e; border-top: 1px solid var(--panel-border);
}
.synth-list .list-group-item { background: var(--panel-bg); border-color: var(--panel-border); cursor: pointer; }
.synth-list .list-group-item.active { background: #1f6feb; border-color: #1f6feb; }
.api-snippet { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }

/* v0.4 decay indicators */
.decay-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  margin-right: 5px;
  vertical-align: middle;
  flex-shrink: 0;
  background-color: #6c757d;
}
.decay-dot.active   { background-color: #28a745; }
.decay-dot.faded    { background-color: #ffc107; }
.decay-dot.archived { background-color: #fd7e14; }
.decay-dot.retired  { background-color: #dc3545; }
.decay-dot[title]:hover { cursor: help; }

.decay-filter { display: flex; gap: 3px; margin: 6px 0 2px 0; flex-wrap: wrap; }
.decay-filter .btn { font-size: 0.7rem; padding: 1px 6px; line-height: 1.4; }
.decay-filter .btn.active {
  background-color: #495057;
  border-color: #6c757d;
  color: #fff;
}

.tree li.hidden-by-filter { display: none; }

/* v0.4 full-text search results */
.tree li.search-hit { padding: 4px 0; border-bottom: 1px solid var(--panel-border); }
.tree li.search-hit:last-child { border-bottom: none; }
.tree li.search-hit > .label { font-size: 12px; }
.search-snippet {
  font-size: 11px;
  color: #8b949e;
  margin: 2px 0 0 14px;
  line-height: 1.35;
  word-break: break-word;
}
.search-snippet mark {
  background: #fff3a4;
  color: #0a0d12;
  padding: 0 2px;
  border-radius: 2px;
}

/* v0.4 synthesis categories */
.category-filter { display: flex; gap: 3px; flex-wrap: wrap; }
.category-filter .btn { font-size: 0.7rem; padding: 1px 6px; line-height: 1.4; }
.category-filter .btn.active {
  background-color: #495057;
  border-color: #6c757d;
  color: #fff;
}

.cat-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}
.cat-badge.cognitive  { background: #0c5460; color: #d1ecf1; }
.cat-badge.generative { background: #856404; color: #fff3cd; }
.cat-badge.meta       { background: #155724; color: #d4edda; }

.synth-list .list-group-item.hidden-by-cat { display: none; }

.generated-marker {
  display: inline-block;
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 4px;
  background: #856404;
  color: #fff3cd;
  margin-bottom: 12px;
}
.generated-marker.cognitive { background: #0c5460; color: #d1ecf1; }
.generated-marker.meta      { background: #155724; color: #d4edda; }

/* v0.4 token-budget badges */
.budget-badge {
  display: inline-block;
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
  background: #161b22;
  color: #8b949e;
  border: 1px solid #30363d;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}
.budget-badge.tier-1 { color: #7ee787; border-color: #2a6b3a; }    /* <10k  — cheap */
.budget-badge.tier-2 { color: #d4cf6a; border-color: #6b5e2a; }    /* 10-50k — medium */
.budget-badge.tier-3 { color: #f0883e; border-color: #8a4a1f; }    /* 50-100k — heavy */
.budget-badge.tier-4 { color: #ff7b72; border-color: #8b2c25; }    /* >100k — careful */

.budget-detail {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.85rem;
  color: #8b949e;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}

/* v0.4 compact sidebar rows */
.synth-row {
  cursor: pointer;
  padding: 5px 8px !important;
  font-size: 0.82rem;
  line-height: 1.25;
}
.synth-row:hover { background: #161b22; }
.synth-row.active { background: #1f6feb !important; color: #fff !important; }

.synth-row .row-line-1 {
  display: flex; align-items: center; gap: 4px;
  white-space: nowrap; overflow: hidden;
}
.synth-row .row-name {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.synth-row .row-badges {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}
.synth-row .row-line-2 {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: #8b949e;
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
}
.synth-row .row-line-2 .row-slug {
  overflow: hidden;
  text-overflow: ellipsis;
}
.synth-row.active .row-line-2 { color: #c9d1d9; }

/* Tighter badges in row context */
.synth-row .cat-badge,
.synth-row .budget-badge {
  font-size: 0.6rem;
  padding: 0 4px;
  margin-left: 2px;
  line-height: 1.4;
}

/* run-history table */
.run-history-wrap { margin-top: 1rem; }
.run-history-table {
  width: 100%;
  font-size: 0.8rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
  border-collapse: collapse;
}
.run-history-table th,
.run-history-table td {
  padding: 4px 8px;
  border-bottom: 1px solid var(--panel-border);
  text-align: left;
  white-space: nowrap;
}
.run-history-table th {
  cursor: pointer;
  user-select: none;
  color: #8b949e;
  font-weight: 600;
}
.run-history-table th:hover { color: #fff; }
.run-history-table th .sort-marker { color: #1f6feb; }
.run-history-table tbody tr:hover { background: #161b22; }
.run-history-table td.numeric { text-align: right; }
.run-history-table td.success-yes { color: #7ee787; }
.run-history-table td.success-no  { color: #ff7b72; }

/* v0.4 tier management */
.tier-card {
  padding: 8px 10px;
  margin-bottom: 6px;
  background: #161b22;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  font-size: 0.85rem;
}
.tier-card .tier-header {
  display: flex; gap: 8px; align-items: center;
  cursor: pointer;
}
.tier-card .tier-header .tier-name { font-weight: 600; }
.tier-card .tier-header .tier-count {
  background: #30363d; color: #c9d1d9; padding: 1px 6px;
  border-radius: 3px; font-size: 0.7rem;
}
.tier-card .tier-actions { margin-left: auto; display: flex; gap: 4px; }
.tier-card .tier-actions .btn { font-size: 0.7rem; padding: 1px 6px; }
.tier-card .tier-desc { font-size: 0.75rem; color: #8b949e; margin-top: 2px; }
.tier-card .tier-expand {
  margin-top: 8px; padding-top: 6px;
  border-top: 1px solid var(--panel-border);
  display: none;
}
.tier-card.expanded .tier-expand { display: block; }
.tier-project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 4px;
  margin-top: 6px;
}
.tier-project-grid label {
  display: flex; gap: 4px; align-items: center;
  font-size: 0.75rem; color: #c9d1d9;
  padding: 2px 4px; border-radius: 3px;
}
.tier-project-grid label:hover { background: #21262d; }
.tier-project-grid input[type="checkbox"] {
  margin: 0; width: 12px; height: 12px;
}

/* v0.4 forgetting queue */
#forgetting-panel .group-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #8b949e;
  margin: 6px 4px 2px 4px;
}
.forgetting-row {
  display: flex; align-items: center; gap: 5px;
  padding: 3px 4px; font-size: 0.75rem;
  border-radius: 3px; cursor: pointer;
}
.forgetting-row:hover { background: #161b22; }
.forgetting-row.selected { background: #1f6feb; color: #fff; }
.forgetting-row .path {
  flex: 1; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.forgetting-row .score {
  color: #8b949e; font-size: 0.65rem;
  font-family: ui-monospace, Menlo, Consolas, monospace;
}
.forgetting-row.selected .score { color: #d6dce5; }

.forgetting-detail-card {
  background: #161b22;
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: 10px 12px;
  margin-bottom: 12px;
}
.forgetting-detail-card .actions {
  display: flex; gap: 4px; flex-wrap: wrap; margin-top: 8px;
}
.forgetting-detail-card .actions .btn {
  font-size: 0.72rem; padding: 2px 8px;
}
.safety-summary {
  font-size: 0.78rem; padding: 8px;
  background: #0d1117; border-radius: 3px;
  border-left: 3px solid #1f6feb;
  margin-top: 8px; white-space: pre-wrap;
  max-height: 320px; overflow: auto;
}
.safety-summary.safe          { border-left-color: #28a745; }
.safety-summary.review        { border-left-color: #ffc107; }
.safety-summary.do_not_remove { border-left-color: #dc3545; }
.safety-refs-table {
  width: 100%; font-size: 0.7rem; margin-top: 6px;
}
.safety-refs-table td { padding: 1px 6px; }
.safety-refs-table td.label { color: #8b949e; }