/* ============================================================
   Researcher workspace (investigate -> researcher; researcher.js)
   Everything is scoped under #researcher-workspace and uses the main.css
   tokens. Rails, tabs, rows, buttons and inspector text reuse main.css
   components (.folder-tabs, .stree-*, .proc-*, .insp-*, .kp-field, .seg-btn);
   only the layout and the tree are defined here.
   ============================================================ */
#researcher-workspace {
  display: grid;
  grid-template-columns: var(--rs-left-w, 280px) minmax(0, 1fr) var(--rs-right-w, 390px);
  grid-template-rows: minmax(0, 1fr);
  color: var(--fg);
}
#researcher-workspace [hidden] { display: none !important; }

/* Rails */
#researcher-workspace .rs-rail {
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}
#researcher-workspace .rs-left { background: var(--panel); border-right: 1px solid var(--border); }
#researcher-workspace .rs-right { background: var(--bg); border-left: 1px solid var(--border); }
#researcher-workspace .rs-left .folder-tab,
#researcher-workspace .rs-right .folder-tab { flex: 1; padding-left: 7px; padding-right: 7px; }
#researcher-workspace .rs-pane {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
#researcher-workspace .rs-panel { padding: 10px 12px 18px; display: block; }
#researcher-workspace .rs-list { padding: 4px 0; }
#researcher-workspace .rs-form { padding: 10px 12px; border-bottom: 1px solid var(--border); display: flex; flex-direction: column; gap: 8px; }
#researcher-workspace .rs-actions { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 0; }
#researcher-workspace .rs-panel > .rs-actions:first-child { margin-top: 0; }
#researcher-workspace .rs-hint { color: var(--muted); font-size: 11px; line-height: 1.5; margin: 6px 0; }
#researcher-workspace .rs-status {
  flex: 0 0 auto;
  min-height: 28px;
  padding: 7px 12px;
  border-top: 1px solid var(--border);
  font: 10px/1.5 var(--font-mono);
  color: var(--text-2);
  overflow-wrap: anywhere;
}
#researcher-workspace .rs-status.rs-error { color: var(--danger); }
#researcher-workspace .rs-warn {
  margin: 8px 0;
  padding: 7px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border-2);
  border-left: 3px solid var(--warn);
  border-radius: var(--r-sm);
  font-size: 11px;
  line-height: 1.5;
}
#researcher-workspace .rs-warn.rs-danger { border-left-color: var(--danger); }
#researcher-workspace .kp-field input[type="text"]:focus { border-color: var(--border-3); }
#researcher-workspace .kp-field textarea { min-height: 64px; }

/* Left lists: story rows reuse .stree-row; run rows add a meta line */
#researcher-workspace .stree-row .stree-meta {
  font: 9px var(--font-mono);
  color: var(--muted);
  white-space: nowrap;
}
#researcher-workspace .rs-run-row { flex-wrap: wrap; row-gap: 2px; }
#researcher-workspace .rs-run-row .stree-meta { flex-basis: 100%; padding-left: 13px; }
#researcher-workspace .stree-row .stree-dot.rs-dot-run { background: var(--accent); border-radius: 50%; }

/* Stage */
#researcher-workspace .rs-stage { position: relative; min-width: 0; min-height: 0; background: var(--canvas); overflow: hidden; }
#researcher-workspace #rs-tree { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; }
#researcher-workspace #rs-tree:active { cursor: grabbing; }
#researcher-workspace .rs-stage-bar {
  position: absolute;
  top: 10px; left: 10px; right: 10px;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 8px;
  pointer-events: none;
}
#researcher-workspace .rs-stage-bar > * { pointer-events: auto; }
#researcher-workspace .rs-crumbs {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  font-size: 11px;
  color: var(--muted);
}
#researcher-workspace .rs-crumbs b { font-family: var(--font-serif); font-size: 14px; font-weight: 600; color: var(--fg-bright); }
#researcher-workspace .rs-mode {
  flex: 0 0 auto;
  font: 600 9px var(--font-ui);
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: 10px;
  padding: 2px 8px;
}
#researcher-workspace .rs-mode:empty { display: none; }
#researcher-workspace .rs-mode.rs-mode-draft { color: var(--accent); border-color: var(--accent-dim); }
#researcher-workspace .rs-empty {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  color: var(--faint); font-size: 12px; letter-spacing: .04em; pointer-events: none;
}
#researcher-workspace .rs-busy {
  position: absolute; left: 50%; bottom: 18px; transform: translateX(-50%);
  z-index: 4;
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px 7px 12px;
  background: var(--panel-2);
  border: 1px solid var(--border-3);
  border-radius: var(--r-ctl);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.55);
  font-size: 11px;
}
#researcher-workspace .rs-busy small { font: 9px var(--font-mono); color: var(--muted); }
#researcher-workspace .rs-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--warn);
  animation: proc-pulse 1s ease-in-out infinite;
}
@media (prefers-reduced-motion: reduce) { #researcher-workspace .rs-pulse { animation: none; } }

/* Tree */
#researcher-workspace .rs-link { fill: none; stroke: var(--border-2); stroke-width: 1.5; }
#researcher-workspace .rs-link.rs-link-new { stroke: var(--accent); stroke-opacity: .55; }
#researcher-workspace .rs-link.rs-link-ghost { stroke: var(--danger); stroke-dasharray: 4 3; stroke-opacity: .6; }
#researcher-workspace .rs-node { cursor: pointer; }
#researcher-workspace .rs-node .rs-box { fill: var(--panel-2); stroke: var(--border-2); stroke-width: 1; }
#researcher-workspace .rs-node .rs-kind { fill: var(--node-structure); }
#researcher-workspace .rs-node.rs-section .rs-kind { fill: var(--node-section); }
#researcher-workspace .rs-node:hover .rs-box { stroke: var(--border-3); }
#researcher-workspace .rs-node.rs-new .rs-box { stroke: var(--accent); stroke-dasharray: 5 3; }
#researcher-workspace .rs-node.rs-refused .rs-box { stroke: var(--danger); stroke-dasharray: 4 3; }
#researcher-workspace .rs-node.rs-ghost { opacity: .5; }
#researcher-workspace .rs-node.rs-hl .rs-box { stroke: var(--gold); stroke-width: 2; }
#researcher-workspace .rs-node.selected .rs-box { stroke: var(--fg-bright); stroke-width: 2; stroke-dasharray: none; }
#researcher-workspace .rs-node:focus-visible { outline: none; }
#researcher-workspace .rs-node:focus-visible .rs-box { stroke: var(--accent); stroke-width: 2; }
#researcher-workspace .rs-num { fill: var(--faint); font: 9px var(--font-mono); pointer-events: none; }
#researcher-workspace .rs-tag { fill: var(--muted); font: 8px var(--font-mono); text-transform: uppercase; letter-spacing: .06em; pointer-events: none; }
#researcher-workspace .rs-node.rs-new .rs-tag-state { fill: var(--accent); }
#researcher-workspace .rs-node.rs-refused .rs-tag-state { fill: var(--danger); }
#researcher-workspace .rs-label {
  font: 500 12px/15px var(--font-ui);
  color: var(--fg);
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 4;
  overflow-wrap: anywhere;
  pointer-events: none;
}
#researcher-workspace .rs-node.rs-root .rs-label { font: 600 13px/15px var(--font-serif); color: var(--fg-bright); }
#researcher-workspace .rs-node.rs-section .rs-label { color: var(--fg-bright); }

/* Run panel */
#researcher-workspace .rs-title { font: 600 16px/1.25 var(--font-serif); color: var(--fg-bright); margin: 0 0 6px; overflow-wrap: anywhere; }
#researcher-workspace .rs-status-line { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
#researcher-workspace .rs-status-line .proc-status { font-size: 9px; }
#researcher-workspace .proc-status-new { background: var(--text-2); }
#researcher-workspace .proc-status-planning,
#researcher-workspace .proc-status-paused { background: var(--warn); }
#researcher-workspace .proc-status-complete,
#researcher-workspace .proc-status-accepted { background: var(--success); }
#researcher-workspace .proc-status-rejected { background: var(--muted); }
#researcher-workspace .rs-mono { font: 10px/1.5 var(--font-mono); color: var(--muted); overflow-wrap: anywhere; }
#researcher-workspace .rs-plan { margin: 4px 0 0; padding-left: 18px; font-size: 11px; line-height: 1.5; color: var(--fg); }
#researcher-workspace .rs-plan li { margin-bottom: 4px; }
#researcher-workspace .rs-steps details { border-bottom: 1px solid var(--border); padding: 5px 0; }
#researcher-workspace .rs-steps summary { cursor: pointer; font-size: 11px; color: var(--fg); list-style-position: inside; }
#researcher-workspace .rs-steps p { margin: 5px 0 2px; font-size: 11px; line-height: 1.5; color: var(--text-2); white-space: pre-wrap; }

/* URL rows */
#researcher-workspace .rs-url {
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: start;
  padding: 7px 0;
  border-bottom: 1px solid var(--border);
}
#researcher-workspace .rs-url.rs-draft-url { grid-template-columns: minmax(0, 1fr) auto; }
#researcher-workspace .rs-url.rs-hl { box-shadow: inset 2px 0 0 var(--gold); }
#researcher-workspace .rs-url.rs-sent { opacity: .7; }
#researcher-workspace .rs-url-meta { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin-top: 3px; }
#researcher-workspace .chip {
  font: 9px var(--font-mono);
  color: var(--muted);
  border: 1px solid var(--border-2);
  padding: 1px 6px;
  border-radius: 10px;
  white-space: nowrap;
}
#researcher-workspace .chip.rs-chip-tier1 { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, transparent); }
#researcher-workspace .chip.rs-chip-sent { color: var(--accent); border-color: var(--accent-dim); }
#researcher-workspace .chip.rs-entity { color: var(--text-2); cursor: default; }
#researcher-workspace .chip.rs-entity.rs-hl { color: var(--gold); border-color: var(--gold); }
#researcher-workspace .rs-x {
  border: 0; background: transparent; color: var(--muted);
  font-size: 15px; line-height: 1; padding: 0 2px; cursor: pointer;
}
#researcher-workspace .rs-x:hover { color: var(--danger); }
#researcher-workspace .rs-x:disabled { opacity: .3; cursor: default; }

/* Entities list */
#researcher-workspace .rs-entity-row {
  display: flex; align-items: center; gap: 8px;
  padding: 5px 0; border-bottom: 1px solid var(--border);
  font-size: 12px;
}
#researcher-workspace .rs-entity-row:hover { background: var(--panel-2); }
#researcher-workspace .rs-entity-row .rs-entity-name { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#researcher-workspace .rs-entity-row a { color: var(--accent-link); font-size: 10px; text-decoration: none; }
#researcher-workspace .rs-entity-row a:hover { text-decoration: underline; }

/* URL pipeline state (urls tab) */
#researcher-workspace .chip.rs-chip-done { color: var(--success); border-color: color-mix(in srgb, var(--success) 45%, transparent); }
#researcher-workspace .chip.rs-chip-failed { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, transparent); }
#researcher-workspace .chip.rs-chip-stage { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, transparent); }
/* in a chain that ended (stopped / failed) before the URL was processed */
#researcher-workspace .chip.rs-chip-stopped { color: var(--muted); border-style: dashed; }
#researcher-workspace .rs-url-error {
  margin-top: 3px;
  font: 10px/1.4 var(--font-mono);
  color: var(--danger);
  overflow-wrap: anywhere;
}

/* Queue tab: chain summary, phase strip 1 -> 2 -> 3, URL rows (main.css .proc-row) */
#researcher-workspace .rs-phase-strip {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin: 8px 0;
  padding: 0;
}
#researcher-workspace .rs-phase {
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  padding: 4px 6px;
  border: 1px solid var(--border-2);
  border-radius: var(--r-sm);
  background: var(--panel-2);
  font-size: 10px;
  color: var(--text-2);
}
#researcher-workspace .rs-phase-num {
  flex: 0 0 auto;
  width: 14px; height: 14px;
  border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  font: 600 9px var(--font-mono);
  color: var(--bg);
  background: var(--muted);
}
#researcher-workspace .rs-phase-state {
  margin-left: auto;
  font: 8px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}
#researcher-workspace .rs-phase-running { border-color: var(--warn); color: var(--fg); }
#researcher-workspace .rs-phase-running .rs-phase-num { background: var(--warn); animation: proc-pulse 1s ease-in-out infinite; }
#researcher-workspace .rs-phase-stopping { border-color: var(--gold); }
#researcher-workspace .rs-phase-stopping .rs-phase-num { background: var(--gold); }
#researcher-workspace .rs-phase-done .rs-phase-num { background: var(--success); }
#researcher-workspace .rs-phase-failed { border-color: var(--danger); }
#researcher-workspace .rs-phase-failed .rs-phase-num { background: var(--danger); }
#researcher-workspace .rs-phase-stopped .rs-phase-num { background: var(--text-2); }
#researcher-workspace .rs-phase-skipped { opacity: .45; border-style: dashed; }
#researcher-workspace .rs-progress { margin: 6px 0 2px; }
#researcher-workspace .rs-q-list {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  margin-bottom: 6px;
}
#researcher-workspace .rs-q-row { align-items: flex-start; padding: 6px 8px; font-size: 11px; }
#researcher-workspace .rs-q-row .proc-dot { margin-top: 4px; }
#researcher-workspace .rs-q-body { flex: 1 1 auto; min-width: 0; }
#researcher-workspace .rs-q-title {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg);
  text-decoration: none;
}
#researcher-workspace a.rs-q-title:hover { color: var(--accent-link); text-decoration: underline; }
#researcher-workspace .rs-q-row .proc-step { margin-top: 2px; white-space: nowrap; }
#researcher-workspace .rs-q-row.proc-stopped .proc-dot { box-sizing: border-box; background: transparent; border: 1px dashed var(--muted); }
#researcher-workspace .rs-q-row.proc-stopped .proc-step { color: var(--muted); }
#researcher-workspace .rs-dots { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 3px; margin-top: 3px; }
#researcher-workspace .rs-stage-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  border: 1px solid var(--border-3);
  background: transparent;
}
#researcher-workspace .rs-stage-dot.rs-stage-processing { background: var(--warn); border-color: var(--warn); animation: proc-pulse 1s ease-in-out infinite; }
#researcher-workspace .rs-stage-dot.rs-stage-partial { background: color-mix(in srgb, var(--warn) 45%, transparent); border-color: var(--warn); }
#researcher-workspace .rs-stage-dot.rs-stage-done { background: var(--success); border-color: var(--success); }
#researcher-workspace .rs-stage-dot.rs-stage-error { background: var(--danger); border-color: var(--danger); }
#researcher-workspace .rs-stage-dot.rs-stage-skipped { background: var(--muted); border-color: var(--muted); }
#researcher-workspace .rs-stage-dot.rs-stage-na { border-style: dashed; opacity: .4; }
@media (prefers-reduced-motion: reduce) {
  #researcher-workspace .rs-stage-dot.rs-stage-processing,
  #researcher-workspace .rs-phase-running .rs-phase-num { animation: none; }
}