:root {
  --bg: #14161a;
  --panel: #1c1f26;
  --panel-2: #232732;
  --border: #323848;
  --text: #d8dce6;
  --muted: #8a91a3;
  --accent: #5b9dd9;
  --ok: #5fba7d;
  --warn: #d9a05b;
  --err: #d95b5b;
  --schema: #7d6fd9;
  --model: #5b9dd9;
  --evidence: #5fba7d;
  --rule: #d9a05b;
  --flow: #d95b9d;
  --inspector-w: 380px;
  font-size: 14px;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: flex; flex-direction: column;
  background: var(--bg); color: var(--text);
  font-family: "SF Pro Text", system-ui, sans-serif;
}

button, select, input, textarea {
  font: inherit; color: var(--text);
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 4px 10px;
}
button { cursor: pointer; }
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: #10131a; font-weight: 600; }
.spacer { flex: 1; }

/* --- toolbar / statusbar --- */
#toolbar, #statusbar {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 12px; background: var(--panel);
  border-bottom: 1px solid var(--border);
}
#statusbar { border-bottom: 0; border-top: 1px solid var(--border); color: var(--muted); }
.brand { font-weight: 700; margin-right: 8px; }
.brand em { color: var(--accent); font-style: normal; font-weight: 400; }
#tabs .tab { border-radius: 0; border: 0; border-bottom: 2px solid transparent; background: none; }
#tabs .tab.active { border-bottom-color: var(--accent); color: var(--accent); }
#status-validity.ok { color: var(--ok); }
#status-validity.err { color: var(--err); }
#status-lints { color: var(--warn); }

/* --- layout / docking --- */
#layout { flex: 1; display: flex; min-height: 0; }
#layout.dock-left { flex-direction: row-reverse; }
#main-panes { flex: 1; min-width: 0; position: relative; }
.pane { position: absolute; inset: 0; overflow: auto; display: none; }
.pane.active { display: block; }
#divider { width: 5px; cursor: col-resize; background: var(--border); }
#inspector {
  width: var(--inspector-w); min-width: 260px; max-width: 70vw;
  background: var(--panel); border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
}
#layout.dock-left #inspector { border-left: 0; border-right: 1px solid var(--border); }
#inspector.collapsed, #inspector.collapsed + #divider { display: none; }
#inspector header {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; border-bottom: 1px solid var(--border); font-weight: 600;
}
#inspector-body { flex: 1; overflow: auto; padding: 12px; }

/* --- program map --- */
#pane-program { padding: 16px; }
.map-columns { display: flex; gap: 16px; align-items: flex-start; position: relative; z-index: 1; }
.map-column { flex: 1; min-width: 150px; }
.map-column > h3 {
  margin: 0 0 8px; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted);
  display: flex; align-items: center; gap: 6px;
}
.map-column > h3 button { padding: 0 7px; line-height: 1.4; }
.card {
  background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--muted);
  border-radius: 6px; padding: 8px 10px; margin-bottom: 8px; cursor: pointer;
}
.card:hover { border-color: var(--accent); }
.card.selected { outline: 2px solid var(--accent); }
.card .name { font-weight: 600; }
.card .meta { color: var(--muted); font-size: 12px; margin-top: 2px; }
.card[data-kind="schema"] { border-left-color: var(--schema); }
.card[data-kind="belief_model"] { border-left-color: var(--model); }
.card[data-kind="evidence"] { border-left-color: var(--evidence); }
.card[data-kind="rule"] { border-left-color: var(--rule); }
.card[data-kind="flow"] { border-left-color: var(--flow); }
#map-edges { position: absolute; inset: 0; pointer-events: none; z-index: 0; }
#map-edges path { fill: none; stroke: var(--border); stroke-width: 1.5; }
#map-edges path.crossflow { stroke: var(--flow); stroke-dasharray: 4 3; }

/* --- source pane --- */
#pane-source { display: none; }
#pane-source.active { display: flex; flex-direction: column; }
#source-text {
  flex: 1; resize: none; border: 0; border-radius: 0; padding: 12px;
  background: var(--bg); font-family: "SF Mono", ui-monospace, monospace; font-size: 13px;
  line-height: 1.5; tab-size: 2;
}
#diagnostics { max-height: 30%; overflow: auto; border-top: 1px solid var(--border); }
#diagnostics .diag { padding: 4px 12px; font-size: 13px; border-bottom: 1px solid var(--panel-2); }
#diagnostics .diag.err { color: var(--err); }
#diagnostics .diag.warn { color: var(--warn); }
#diagnostics .diag.info { color: var(--muted); }

/* --- inspector forms --- */
.field { margin-bottom: 10px; }
.field label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 3px; }
.field input, .field select { width: 100%; }
.section-h {
  display: flex; align-items: center; gap: 6px;
  margin: 16px 0 6px; font-size: 12px; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--muted);
}
.section-h button { padding: 0 7px; }
.row-actions button { padding: 1px 7px; color: var(--muted); }
.btn-bar { display: flex; gap: 8px; margin-top: 14px; }
.btn-bar .danger { color: var(--err); }
.hint { color: var(--muted); font-size: 12px; margin: 6px 0; }
.error-note { color: var(--err); font-size: 13px; margin: 8px 0; white-space: pre-wrap; }

/* --- tables (spreadsheet, metrics) --- */
table.sheet { border-collapse: collapse; width: 100%; font-size: 13px; }
table.sheet th, table.sheet td { border: 1px solid var(--border); padding: 0; }
table.sheet th { background: var(--panel-2); padding: 4px 8px; text-align: left; font-weight: 600; }
table.sheet td input, table.sheet td select {
  width: 100%; border: 0; border-radius: 0; background: transparent; padding: 4px 8px;
}
table.sheet td input:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
table.kv { border-collapse: collapse; font-size: 13px; }
table.kv td { padding: 3px 12px 3px 0; }
table.kv td:first-child { color: var(--muted); }

/* --- block text editor --- */
.block-editor textarea {
  width: 100%; min-height: 260px; resize: vertical;
  font-family: "SF Mono", ui-monospace, monospace; font-size: 13px; line-height: 1.5;
  background: var(--bg); tab-size: 2;
}
.pipeline { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin: 6px 0 10px; }
.chip {
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 12px;
  padding: 2px 10px; font-size: 12px; white-space: nowrap;
}
.chip.src { border-color: var(--evidence); }
.chip.sink { border-color: var(--flow); }
.chip-arrow { color: var(--muted); }

/* --- results --- */
#pane-results { padding: 16px; }
.results-grid { display: grid; grid-template-columns: minmax(320px, 1fr) minmax(280px, 420px); gap: 16px; }
.results-block { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; padding: 12px; }
.results-block h3 { margin: 0 0 8px; font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
#graph-view svg { width: 100%; height: auto; background: var(--bg); border-radius: 4px; }
#graph-view .gnode circle { fill: var(--panel-2); stroke: var(--accent); stroke-width: 1.5; cursor: pointer; }
#graph-view .gnode.selected circle { stroke-width: 3; }
#graph-view .gnode text { fill: var(--text); font-size: 11px; text-anchor: middle; pointer-events: none; }
#graph-view .gedge path { fill: none; stroke: var(--text); }
#graph-view .gedge text { fill: var(--muted); font-size: 10px; text-anchor: middle; }
.empty-note { color: var(--muted); padding: 32px; text-align: center; }

#boot-error {
  position: fixed; inset: 0; background: var(--bg); z-index: 99;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
}
#boot-error[hidden] { display: none; }
#boot-error pre { background: var(--panel); padding: 12px 20px; border-radius: 6px; }