styles.css

/* ── Design tokens (lifted from base.html) ── */
:root {
  --bg: #0f1115;
  --panel: #161922;
  --line: #232838;
  --fg: #e6e8ef;
  --muted: #8b93a7;
  --accent: #6ea8fe;
  --accent-soft: #1e2a44;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  background: var(--bg);
  color: var(--fg);
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "SF Mono", monospace;
  height: 100%;
}
body { font-size: 14px; display: flex; flex-direction: column; overflow: hidden; }
#root { display: flex; flex-direction: column; height: 100%; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Layout ── */
header {
  border-bottom: 1px solid var(--line);
  padding: 6px 12px;
  display: flex;
  align-items: center;
  gap: 16px;
  flex: 0 0 auto;
}
header .brand { font-weight: 600; }
header nav a { margin-right: 12px; }

main {
  padding: 8px 12px;
  flex: 1 1 auto;
  min-height: 0;
  overflow: auto;
  display: flex;
  flex-direction: column;
}

.layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  grid-template-rows: 1fr;
  gap: 10px;
  flex: 1 1 auto;
  min-height: 0;
}
.layout.sidebar-collapsed { grid-template-columns: 32px minmax(0, 1fr); }

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: auto;
  min-height: 0;
  min-width: 0;
}

.detail { padding: 10px 12px; }
.detail h2 { margin-top: 0; margin-bottom: 0; }

/* ── Entry list (sidebar) ── */
.entry-list { list-style: none; margin: 0; padding: 0; }
.entry-list li {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.entry-list li > a:first-child {
  flex: 1;
  display: block;
  padding: 10px 12px;
  color: var(--fg);
  min-width: 0;
}
.entry-list li > a:first-child:hover { background: var(--accent-soft); }
.entry-list a { color: var(--fg); }
.entry-list .hash { font-family: ui-monospace, monospace; color: var(--muted); font-size: 12px; }
.entry-list .prompt { display: block; margin-top: 2px; }
.entry-list .alias { font-weight: 600; color: var(--fg); display: block; }
.entry-list .vchip {
  background: var(--accent-soft);
  color: var(--accent);
  padding: 1px 6px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 500;
  margin-left: 4px;
}
.entry-main {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.entry-name {
  display: flex;
  align-items: baseline;
  min-width: 0;
  flex: 1 1 auto;
}
/* Alias text truncates; the version chip stays pinned and visible. */
.entry-list .alias {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.entry-list .vchip { flex-shrink: 0; }
.entry-list .meta-inline {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
  flex-shrink: 0;
}
/* Compact view: tighter rows, single line per entry (prompt on hover only). */
.entry-list.compact li > a:first-child { padding: 6px 12px; }
.entry-list li.current { background: var(--accent-soft); border-left: 3px solid var(--accent); }
.entry-list li.current a { color: var(--fg); }
.entry-list li.current .alias { color: var(--accent); }
.entry-list .diff-link {
  font-size: 11px;
  color: var(--muted);
  text-decoration: none;
  padding: 1px 7px;
  border: 1px solid var(--line);
  border-radius: 10px;
  margin-right: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.entry-list .diff-link:hover { color: var(--accent); border-color: var(--accent); }

.section-header {
  color: var(--muted);
  text-transform: uppercase;
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 10px 12px 4px;
  border-top: 1px solid var(--line);
}
.section-header:first-child { border-top: 0; }

/* ── Sidebar chrome (toolbar / collapse) ── */
.sidebar-toolbar {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 6px 8px;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.view-toggle { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.view-toggle button {
  background: transparent;
  color: var(--muted);
  border: 0;
  padding: 3px 8px;
  font-size: 11px;
  cursor: pointer;
}
.view-toggle button + button { border-left: 1px solid var(--line); }
.view-toggle button:hover { color: var(--fg); }
.view-toggle button.active { background: var(--accent-soft); color: var(--accent); }
.sidebar-toggle {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 6px;
  width: 22px;
  height: 22px;
  line-height: 1;
  font-size: 14px;
  cursor: pointer;
  flex-shrink: 0;
}
.sidebar-toggle:hover { color: var(--fg); border-color: var(--accent); }
.sidebar-rail { display: flex; justify-content: center; padding: 6px 4px; }

/* ── Entry detail ── */
.entry-header {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 4px;
}
.entry-header h2 { margin: 0 8px 0 0; }
.entry-detail { display: flex; flex-direction: column; box-sizing: border-box; min-height: 0; }

.prompt-row { display: flex; align-items: center; gap: 12px; margin: 2px 0 6px; }
.prompt-row .prompt-text { flex: 1 1 auto; min-width: 0; }

.metadata-section { margin-bottom: 12px; }
.metadata-section h3:first-child { margin-top: 0; }

/* ── Entry detail tabs (data / code) ── */
.detail-tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 4px 0 10px; }
.detail-tab {
  background: transparent;
  border: 1px solid transparent;
  border-bottom: none;
  color: var(--muted);
  border-radius: 4px 4px 0 0;
  padding: 5px 14px;
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
  margin-bottom: -1px;
}
.detail-tab:hover { color: var(--fg); }
.detail-tab.active {
  color: var(--fg);
  border-color: var(--line);
  border-bottom: 1px solid var(--panel);
  background: var(--panel);
}
.tab-panel[hidden] { display: none; }

/* ── Typography helpers ── */
.meta { color: var(--muted); font-size: 12px; margin-bottom: 12px; }
pre.code {
  background: #0a0c12;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 10px;
  overflow: auto;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}
table.data-table { border-collapse: collapse; width: 100%; font-size: 12px; }
table.data-table th, table.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 4px 8px;
  text-align: left;
}
table.data-table th { background: #0a0c12; position: sticky; top: 0; }

/* ── Pills & chips ── */
.pill {
  display: inline-block;
  padding: 2px 6px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--muted);
  font-size: 11px;
  margin-right: 6px;
}

/* ── Project switcher ── */
.project-switcher { display: inline-flex; align-items: center; gap: 4px; margin-right: 18px; }
.project-switcher select {
  background: var(--bg, #0a0c12);
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
  font-size: 12px;
}
.project-switcher select:focus { outline: 1px solid var(--accent); }
#new-project-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
#new-project-btn:hover { color: var(--fg); border-color: var(--accent); }

/* ── Error banner ── */
.error-banner {
  background: #2a1b1b;
  border: 1px solid #5a3a3a;
  color: #ffb4b4;
  padding: 10px 12px;
  border-radius: 4px;
  margin: 0 0 12px;
  position: relative;
  flex: 0 0 auto;
}
.error-banner ul { margin: 6px 0 0 0; padding-left: 20px; max-height: 6em; overflow: auto; }
.error-banner code { color: #ffd1d1; }
.error-banner .dismiss {
  position: absolute;
  top: 4px;
  right: 8px;
  background: transparent;
  border: 0;
  color: #ffb4b4;
  font-size: 16px;
  cursor: pointer;
  padding: 2px 6px;
  line-height: 1;
}
.error-banner .dismiss:hover { color: #fff; }
.error-banner .clear-errors {
  background: transparent;
  border: 1px solid #5a3a3a;
  color: #ffb4b4;
  border-radius: 4px;
  font-size: 11px;
  padding: 1px 8px;
  cursor: pointer;
  font-family: inherit;
}
.error-banner .clear-errors:hover { color: #fff; border-color: #ffb4b4; }
.error-banner.collapsed ul { display: none; }
.error-banner.hidden { display: none; }

/* ── New-entry notice (#27) ──
   Floats over the top of the UI so a new expression announces itself without
   shifting layout or stealing the view; click to navigate, × to dismiss. */
.new-entry-notice {
  position: fixed;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 50;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}
.new-entry-notice .view {
  background: transparent;
  border: 0;
  color: var(--fg);
  font-family: inherit;
  font-size: 12px;
  padding: 5px 6px 5px 12px;
  cursor: pointer;
}
.new-entry-notice .view:hover { color: var(--accent); }
.new-entry-notice .dismiss {
  background: transparent;
  border: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 10px 4px 4px;
}
.new-entry-notice .dismiss:hover { color: var(--fg); }

/* ── Empty state ── */
.empty-state { max-width: 520px; margin: 60px auto; padding: 16px; }
.empty-state h2 { margin-top: 0; }
.empty-state form { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.empty-state input[type=text] {
  background: #0a0c12;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px;
  font-family: inherit;
  font-size: 14px;
}
.empty-state button {
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 4px;
  padding: 8px 16px;
  font-family: inherit;
  cursor: pointer;
}
.empty-state button:hover { opacity: 0.9; }

/* ── SSE status ── */
.live { color: var(--accent); }

/* ── DAG ── */
.dag { background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 8px; overflow: auto; }
.dag .node-box { fill: var(--panel); stroke: var(--line); }
.dag .node-box.named { stroke: var(--accent); }
.dag .node-box.root { stroke: var(--accent); fill: var(--accent-soft); }
.dag .node-label { fill: var(--fg); font-family: ui-monospace, monospace; font-size: 11px; }
.dag .node-sublabel { fill: var(--muted); font-family: ui-monospace, monospace; font-size: 10px; }
.dag .edge { stroke: var(--muted); stroke-width: 1.5; fill: none; opacity: 0.7; }
.dag-empty { color: var(--muted); padding: 12px; }

/* ── Notebook ── */
.nb-cell {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px 12px;
  margin: 8px 16px;
  overflow: hidden;
}
.nb-cell .nb-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.nb-cell .nb-drag { cursor: grab; color: var(--muted); user-select: none; font-size: 14px; padding: 0 4px; }
.nb-cell .nb-drag:active { cursor: grabbing; }
.nb-cell.dragging { opacity: 0.4; }
.nb-cell.drag-over { box-shadow: 0 0 0 2px var(--accent); }
.nb-cell .nb-head .alias { font-weight: 600; }
.nb-cell .nb-head .nb-actions { margin-left: auto; display: flex; gap: 6px; }
.nb-cell .nb-head button {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
.nb-cell .nb-head button:hover { color: var(--fg); border-color: var(--accent); }
.nb-cell .nb-markdown { color: var(--muted); margin: 2px 0 6px; }
.nb-cell .nb-markdown > :first-child { margin-top: 0; }
.nb-cell .nb-markdown > :last-child { margin-bottom: 0; }
.nb-cell .nb-markdown h1, .nb-cell .nb-markdown h2, .nb-cell .nb-markdown h3,
.nb-cell .nb-markdown h4, .nb-cell .nb-markdown h5, .nb-cell .nb-markdown h6 {
  margin: 4px 0 2px; font-size: 13px; color: var(--fg); font-weight: 600;
}
.nb-cell .nb-markdown p { margin: 2px 0; }
.nb-cell .nb-markdown ul, .nb-cell .nb-markdown ol { margin: 2px 0; padding-left: 20px; }
.nb-cell .nb-markdown-edit {
  width: 100%;
  min-height: 60px;
  background: #0a0c12;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 6px 8px;
  font-family: ui-monospace, monospace;
  font-size: 12px;
}
.nb-cell .nb-preview { overflow: auto; max-height: 240px; }
.nb-cell .nb-meta { color: var(--muted); font-size: 11px; margin-top: 6px; }
.nb-empty { color: var(--muted); padding: 16px; }

/* ── Charts ── */
.chart-panel {
  background: #fff;
  border-radius: 4px;
  padding: 8px;
  min-height: 200px;
  display: block;
  width: 100%;
}
.nb-chart { margin: 4px 0 8px; min-height: 180px; }

/* ── Buckaroo embed ── */
.buckaroo-embed {
  background: #181d1f;
  border: 1px solid var(--line);
  border-radius: 4px;
  width: 100%;
  height: 60vh;
  min-height: 240px;
}
.buckaroo-embed.nb-buckaroo { height: auto; }

/* ── Buttons ── */
.edit-code-btn {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 11px;
  cursor: pointer;
  font-family: inherit;
}
.edit-code-btn:hover { color: var(--fg); border-color: var(--accent); }

/* ── Forensic history ── */
.forensic-history {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 8px 12px;
  margin-top: 12px;
}
.forensic-history ol { margin: 4px 0 0 0; padding-left: 20px; }
.forensic-history .current { color: var(--accent); font-weight: 500; }

/* ── Cache page ── */
.cache-pane { padding: 4px 2px; }
.cache-summary { display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; margin-bottom: 12px; }
.cache-summary strong { font-size: 15px; }
.cache-summary .cache-note { flex-basis: 100%; }
table.cache-table { table-layout: auto; }
table.cache-table td, table.cache-table th { vertical-align: middle; white-space: nowrap; }
table.cache-table th.num, table.cache-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
table.cache-table td.size { font-weight: 600; }
table.cache-table td.created { color: var(--muted); font-family: ui-monospace, monospace; font-size: 12px; }
table.cache-table .alias-name { font-weight: 600; }
table.cache-table .vchip { background: var(--accent-soft); color: var(--accent); padding: 1px 6px; border-radius: 10px; font-size: 11px; margin-left: 4px; }
table.cache-table .current-tag { color: var(--accent); font-size: 11px; margin-left: 6px; }
table.cache-table .hash { font-family: ui-monospace, monospace; color: var(--muted); font-size: 12px; }
table.cache-table td.prompt { color: var(--muted); max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
table.cache-table .muted { color: var(--muted); }
.del-btn { background: transparent; border: 1px solid #5a3a3a; color: #ff9b9b; border-radius: 4px; padding: 2px 10px; font-size: 11px; cursor: pointer; font-family: inherit; }
.del-btn:hover { background: #2a1b1b; color: #ffb4b4; border-color: #7a4a4a; }
.del-btn:disabled { opacity: 0.5; cursor: default; }

/* catalog customizations page */
.cust-section { margin-bottom: 22px; }
.cust-section-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 2px; }
.cust-section-head strong { font-size: 14px; }
.cust-section .cache-note { display: block; margin-bottom: 8px; }
.cust-item { border: 1px solid var(--border); border-radius: 5px; margin-bottom: 6px; background: var(--panel, transparent); }
.cust-item > summary { display: flex; align-items: baseline; gap: 10px; padding: 6px 10px; cursor: pointer; list-style: none; }
.cust-item > summary::-webkit-details-marker { display: none; }
.cust-item > summary::before { content: "▸"; color: var(--muted); font-size: 11px; }
.cust-item[open] > summary::before { content: "▾"; }
.cust-item .cust-name { font-weight: 600; font-family: ui-monospace, monospace; }
.cust-item .cust-name.muted { color: var(--muted); font-weight: 400; text-decoration: line-through; }
.cust-item .cust-path { margin-left: auto; font-family: ui-monospace, monospace; font-size: 11px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 50%; }
.cust-item .cust-flag { color: var(--muted); border: 1px solid var(--border); padding: 0 6px; border-radius: 10px; font-size: 11px; }
.cust-item > pre.code { margin: 0; border-top: 1px solid var(--border); border-radius: 0 0 5px 5px; }

/* projects management page */
.projects-page { max-width: 600px; margin: 32px auto; padding: 16px; }
.projects-page h2 { margin-top: 0; margin-bottom: 16px; }
.project-list { list-style: none; margin: 0 0 16px; padding: 0; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.project-list li { display: flex; align-items: center; gap: 10px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.project-list li:last-child { border-bottom: 0; }
.project-list li.active-project { background: var(--accent-soft); }
.project-list input[type=checkbox] { accent-color: var(--accent); width: 15px; height: 15px; flex-shrink: 0; cursor: pointer; }
.project-list input[type=checkbox]:disabled { cursor: default; }
.project-list .proj-name { flex: 1; font-family: ui-monospace, monospace; }
.project-list .active-badge { color: var(--accent); font-size: 11px; border: 1px solid var(--accent); border-radius: 10px; padding: 1px 7px; }
.projects-actions { display: flex; align-items: center; gap: 10px; }
.projects-actions .meta { margin-bottom: 0; }
.projects-actions .meta.err { color: #ffb4b4; }
.ghost-btn { background: transparent; border: 1px solid var(--line); color: var(--muted); border-radius: 4px; padding: 6px 12px; font-family: inherit; font-size: 12px; cursor: pointer; }
.ghost-btn:hover:not(:disabled) { color: var(--fg); border-color: var(--accent); }
.ghost-btn:disabled { opacity: 0.5; cursor: default; }
.danger-btn { background: #5a1e1e; color: #ffb4b4; border: 1px solid #7a3a3a; border-radius: 4px; padding: 6px 16px; font-family: inherit; font-size: 13px; cursor: pointer; }
.danger-btn:hover:not(:disabled) { background: #7a2525; }
.danger-btn:disabled { opacity: 0.4; cursor: default; }