/* ============================================================================
   d-jit workbench — design system
   Calm, dense-but-legible dark theme. Strong hierarchy, consistent tokens.
   ========================================================================== */

:root {
  /* surfaces (light, layered) */
  --bg:        #f6f7fa;
  --bg-1:      #ffffff;
  --bg-2:      #f1f3f7;
  --bg-3:      #e9ecf2;
  --bg-hover:  #e3e7ef;
  --line:      #e4e8ef;
  --line-2:    #d2d8e3;

  /* text */
  --fg:        #1a1f2b;
  --fg-1:      #3a4358;
  --fg-2:      #5d6678;
  --fg-3:      #8b93a5;

  /* accent + semantic (tuned for contrast on light) */
  --accent:    #16a34a;
  --accent-d:  #128a3e;
  --green:     #16a34a;
  --amber:     #d97706;
  --red:       #dc2626;
  --cyan:      #0284c7;
  --violet:    #7c3aed;

  /* status colors */
  --st-inbox:  #64748b;
  --st-kept:   #16a34a;
  --st-seed:   #d97706;
  --st-hidden: #dc2626;

  --radius:    9px;
  --radius-sm: 6px;
  --shadow:    0 6px 24px rgba(28,39,71,.10);
  --mono:      ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans:      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --nav-w:     208px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
[hidden] { display: none !important; }
::selection { background: rgba(22,163,74,.3); }

/* scrollbars */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 6px; border: 2px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: var(--fg-3); }

/* ---------- generic controls ----------------------------------------------- */
button {
  font-family: inherit; font-size: 13px; cursor: pointer;
  border: 1px solid var(--line-2); background: var(--bg-2); color: var(--fg-1);
  padding: 6px 12px; border-radius: var(--radius-sm); transition: background .12s, border-color .12s, color .12s;
}
button:hover { background: var(--bg-hover); color: var(--fg); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.primary:hover:not(:disabled) { background: var(--accent-d); border-color: var(--accent-d); color: #fff; }
button.ghost { background: transparent; border-color: transparent; color: var(--fg-2); }
button.ghost:hover { background: var(--bg-2); color: var(--fg); }
button.full { width: 100%; }
button.sm { padding: 3px 8px; font-size: 12px; }
button.active { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger:hover { border-color: var(--red); color: var(--red); }

input, textarea, select {
  font-family: inherit; font-size: 13px;
  background: var(--bg-1); color: var(--fg);
  border: 1px solid var(--line-2); border-radius: var(--radius-sm);
  padding: 7px 10px; outline: none; width: 100%;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { resize: vertical; min-height: 64px; line-height: 1.5; }
select { cursor: pointer; }
label { font-size: 12px; color: var(--fg-2); display: block; margin-bottom: 4px; }

.muted { color: var(--fg-2); font-size: 12px; }
.error { color: var(--red); font-size: 13px; min-height: 18px; }
.empty { color: var(--fg-3); font-size: 13px; padding: 24px 8px; text-align: center; }
.spinner { color: var(--fg-2); font-size: 13px; padding: 18px; }
.spinner::after { content: " \22EF"; animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .3; } }

/* ============================================================================
   AUTH
   ========================================================================== */
.auth { position: fixed; inset: 0; display: grid; place-items: center; background: radial-gradient(1200px 600px at 50% -10%, #e6edfb, var(--bg)); }
.auth-card { width: 340px; background: var(--bg-1); border: 1px solid var(--line); border-radius: 14px; padding: 30px 28px; box-shadow: var(--shadow); }
.auth-card h2 { margin: 18px 0 14px; font-size: 16px; font-weight: 600; }
.auth-card form { display: flex; flex-direction: column; gap: 10px; }
.auth-card .muted { margin-top: 16px; }
.auth-tag { color: var(--fg-2); font-size: 12px; margin: 4px 0 0; }
.brand { font-weight: 800; letter-spacing: -.5px; font-size: 18px; color: var(--fg); }
.brand-lg { font-size: 30px; }

/* ============================================================================
   SHELL + SIDEBAR
   ========================================================================== */
.shell { display: grid; grid-template-columns: var(--nav-w) 1fr; height: 100vh; }
.nav { background: var(--bg-1); border-right: 1px solid var(--line); display: flex; flex-direction: column; padding: 18px 14px; gap: 4px; }
.nav .brand { padding: 0 6px 14px; }
.nav-links { display: flex; flex-direction: column; gap: 2px; }
.nav-links button {
  display: flex; align-items: center; gap: 10px; text-align: left;
  background: transparent; border: none; color: var(--fg-2); padding: 8px 10px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500;
}
.nav-links button:hover { background: var(--bg-2); color: var(--fg); }
.nav-links button.active { background: var(--bg-3); color: var(--fg); }
.nav-ico { width: 18px; text-align: center; font-size: 15px; opacity: .85; }

.lib-drop {
  margin-top: 14px; padding: 12px 10px; border: 1.5px dashed var(--line-2); border-radius: var(--radius);
  display: flex; align-items: center; gap: 8px; color: var(--fg-3); font-size: 12px; transition: all .12s; user-select: none;
}
.lib-drop-ico { font-size: 16px; }
.lib-drop.drag-over { border-color: var(--green); color: var(--green); background: rgba(52,211,153,.08); }

.nav-foot { margin-top: auto; padding-top: 14px; }
.who { font-size: 12px; color: var(--fg-2); padding: 0 6px 10px; word-break: break-all; }

.content { overflow-y: auto; padding: 0; position: relative; }

/* ---------- page scaffold -------------------------------------------------- */
.page { padding: 22px 28px 90px; max-width: 1320px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-title { font-size: 20px; font-weight: 700; letter-spacing: -.3px; }
.page-sub { color: var(--fg-2); font-size: 13px; margin-top: 2px; }
.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.row { display: flex; gap: 8px; align-items: center; }
.row-wrap { flex-wrap: wrap; }
.grow { flex: 1; }
.spacer { flex: 1; }
.section-label { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); font-weight: 600; margin: 18px 0 8px; }

/* ============================================================================
   PAPER CARD (the draggable node)
   ========================================================================== */
.card {
  background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 12px 14px 12px 18px; position: relative; transition: border-color .12s, background .12s, box-shadow .12s;
}
.card:hover { border-color: var(--line-2); background: var(--bg-2); }
.card.dragging { opacity: .5; }
.card.selected { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent) inset; }
.card[draggable=true] { cursor: grab; }
.card-grip { position: absolute; left: 3px; top: 0; bottom: 0; width: 12px; color: var(--fg-3); display: flex; align-items: center; justify-content: center; font-size: 12px; opacity: 0; transition: opacity .12s; }
.card:hover .card-grip { opacity: .7; }

.card-top { display: flex; align-items: flex-start; gap: 8px; }
.card-check { margin-top: 2px; flex: none; width: 14px; height: 14px; cursor: pointer; accent-color: var(--accent); }
.card-title { font-size: 14px; font-weight: 600; line-height: 1.35; color: var(--fg); cursor: pointer; flex: 1; }
.card-title:hover { color: var(--accent); }
.card-meta { color: var(--fg-2); font-size: 12px; margin-top: 5px; display: flex; flex-wrap: wrap; gap: 4px 8px; align-items: center; }
.card-meta .dot { color: var(--fg-3); }
.card-authors { color: var(--fg-2); font-size: 12px; margin-top: 4px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.card-actions { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }

.grid-cards { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 1100px) { .grid-cards.two { grid-template-columns: 1fr 1fr; } }

/* ---------- badges + chips ------------------------------------------------- */
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 20px; font-family: var(--mono); }
.badge-hi { background: rgba(52,211,153,.15); color: var(--green); }
.badge-mid { background: rgba(251,191,36,.15); color: var(--amber); }
.badge-lo { background: rgba(248,113,113,.15); color: var(--red); }
.badge-null { background: var(--bg-3); color: var(--fg-3); }

.chip { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: var(--bg-3); color: var(--fg-1); border: 1px solid var(--line-2); display: inline-flex; align-items: center; gap: 5px; }
.chip.tag { background: rgba(22,163,74,.08); border-color: rgba(22,163,74,.22); color: var(--accent); }
.chip-x { cursor: pointer; color: var(--fg-3); }
.chip-x:hover { color: var(--red); }

.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; padding: 3px 10px; border-radius: 20px; background: var(--bg-2); border: 1px solid var(--line-2); color: var(--fg-1); }
.pill .led { width: 7px; height: 7px; border-radius: 50%; background: var(--fg-3); }
.pill .led.ok { background: var(--green); } .pill .led.run { background: var(--amber); animation: blink 1s infinite; } .pill .led.err { background: var(--red); }

.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.s-inbox { background: var(--st-inbox); } .s-kept { background: var(--st-kept); } .s-seed { background: var(--st-seed); } .s-hidden { background: var(--st-hidden); }

/* ============================================================================
   DISCOVER
   ========================================================================== */
.search-bar { background: var(--bg-1); border: 1px solid var(--line); border-radius: 12px; padding: 14px; margin-bottom: 18px; }
.search-modes { display: flex; gap: 4px; margin-bottom: 12px; flex-wrap: wrap; }
.search-modes button { border-radius: 20px; font-size: 12.5px; padding: 5px 14px; }
.search-input-row { display: flex; gap: 8px; }
.search-input-row input { font-size: 15px; padding: 10px 14px; }
.search-input-row button { white-space: nowrap; padding: 10px 18px; }
.search-opts { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; align-items: center; }
.search-opts .field { display: flex; align-items: center; gap: 6px; }
.search-opts .field label { margin: 0; }
.search-opts input, .search-opts select { width: auto; min-width: 90px; }

.plan-box { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 14px; margin-bottom: 16px; }
.plan-box h4 { margin: 0 0 10px; font-size: 13px; }
.plan-grid { display: grid; grid-template-columns: 110px 1fr; gap: 8px 12px; align-items: center; margin-bottom: 10px; }
.plan-grid label { margin: 0; }
.audit { display: flex; flex-wrap: wrap; gap: 6px 14px; background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 14px; font-size: 12.5px; }
.audit b { color: var(--fg); }
.audit .k { color: var(--fg-3); }

/* ============================================================================
   FACET RAIL + LIBRARY
   ========================================================================== */
.lib-layout { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: start; }
@media (max-width: 900px) { .lib-layout { grid-template-columns: 1fr; } }
.facet-rail { position: sticky; top: 0; }
.facet-group { margin-bottom: 16px; }
.facet-group h5 { margin: 0 0 6px; font-size: 11px; text-transform: uppercase; letter-spacing: .07em; color: var(--fg-3); }
.facet-item { display: flex; justify-content: space-between; align-items: center; padding: 3px 6px; border-radius: 5px; cursor: pointer; font-size: 12.5px; color: var(--fg-1); }
.facet-item:hover { background: var(--bg-2); }
.facet-item.active { background: rgba(22,163,74,.12); color: var(--accent); }
.facet-item .fc { font-family: var(--mono); color: var(--fg-3); font-size: 11px; }
.facet-active-bar { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }

.view-toggle { display: inline-flex; border: 1px solid var(--line-2); border-radius: var(--radius-sm); overflow: hidden; }
.view-toggle button { border: none; border-radius: 0; border-right: 1px solid var(--line-2); }
.view-toggle button:last-child { border-right: none; }

/* ---------- map ------------------------------------------------------------ */
.map-wrap { position: relative; height: 70vh; min-height: 460px; background: #0c0f16; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.map-wrap canvas { width: 100%; height: 100%; display: block; cursor: grab; }
.map-wrap canvas.dragging { cursor: grabbing; }
.map-tip { position: absolute; pointer-events: none; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: 6px; padding: 6px 9px; font-size: 11px; max-width: 280px; box-shadow: var(--shadow); z-index: 5; }
.map-tip b { color: var(--fg); display: block; margin-bottom: 2px; }
.map-controls { position: absolute; top: 10px; right: 10px; display: flex; gap: 6px; z-index: 4; background: rgba(12,15,22,.7); padding: 6px; border-radius: var(--radius-sm); backdrop-filter: blur(4px); }
.map-legend { position: absolute; bottom: 10px; left: 10px; z-index: 4; background: rgba(12,15,22,.78); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 11px; max-width: 200px; backdrop-filter: blur(4px); }
.lg-row { display: flex; align-items: center; gap: 6px; margin: 2px 0; color: var(--fg-2); }
.lg-row .swatch { width: 10px; height: 10px; border-radius: 2px; flex: none; }
.lg-row .grad { flex: 1; height: 9px; border-radius: 2px; }

/* ---------- clusters ------------------------------------------------------- */
.cluster { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; }
.cluster-head { padding: 11px 14px; display: flex; align-items: center; gap: 10px; cursor: pointer; }
.cluster-head:hover { background: var(--bg-2); }
.cluster-label { font-weight: 600; font-size: 14px; }
.cluster-terms { color: var(--fg-2); font-size: 12px; }
.cluster-size { margin-left: auto; font-family: var(--mono); font-size: 12px; color: var(--fg-3); }
.cluster-body { padding: 0 14px 12px; display: grid; gap: 8px; }

/* ============================================================================
   BOARDS / KANBAN
   ========================================================================== */
.board-tabs { display: flex; gap: 4px; align-items: center; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.board-tab { border: none; background: transparent; color: var(--fg-2); padding: 8px 14px; border-bottom: 2px solid transparent; border-radius: 0; font-size: 13px; font-weight: 500; }
.board-tab:hover { color: var(--fg); background: transparent; }
.board-tab.active { color: var(--fg); border-bottom-color: var(--accent); }
.board-tab.drag-over { background: rgba(22,163,74,.12); }

.kanban { display: flex; gap: 12px; overflow-x: auto; padding-bottom: 16px; align-items: flex-start; }
.kanban-col { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); width: 290px; flex: none; max-height: calc(100vh - 230px); display: flex; flex-direction: column; }
.kanban-col.drag-over { border-color: var(--accent); background: var(--bg-2); }
.kanban-col-head { padding: 10px 12px; font-size: 12px; font-weight: 600; color: var(--fg-1); display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); }
.kanban-col-head .count { font-family: var(--mono); color: var(--fg-3); font-weight: 400; }
.kanban-col-body { padding: 10px; display: flex; flex-direction: column; gap: 8px; overflow-y: auto; min-height: 80px; flex: 1; }
.kanban-col-body .empty-drop { color: var(--fg-3); font-size: 12px; text-align: center; padding: 14px; border: 1.5px dashed var(--line); border-radius: var(--radius-sm); }

.synth-panel { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-top: 16px; }
.synth-panel h3 { margin: 0 0 6px; font-size: 15px; }
.synth-list { margin: 6px 0 16px; padding-left: 18px; }
.synth-list li { margin: 4px 0; color: var(--fg-1); font-size: 13px; }
.synth-paper { border-top: 1px solid var(--line); padding: 10px 0; }
.synth-paper b { font-size: 13px; }

/* ============================================================================
   DRAWER
   ========================================================================== */
.drawer-backdrop { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 40; }
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(560px, 94vw); background: var(--bg-1); border-left: 1px solid var(--line); z-index: 41; box-shadow: var(--shadow); display: flex; flex-direction: column; }
.drawer-close { position: absolute; top: 12px; right: 12px; z-index: 2; font-size: 15px; }
.drawer-body { overflow-y: auto; padding: 24px 24px 60px; }
.dsec { border-top: 1px solid var(--line); padding: 16px 0; }
.dsec:first-of-type { border-top: none; }
.dsec h4 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--fg-3); }
.dtitle { font-size: 18px; font-weight: 700; line-height: 1.3; padding-right: 30px; }
.dmeta { color: var(--fg-2); font-size: 12.5px; margin: 8px 0; display: flex; flex-wrap: wrap; gap: 4px 10px; }
.dabstract { color: var(--fg-1); font-size: 13.5px; line-height: 1.6; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: 13px; }
.kv .k { color: var(--fg-3); }
.dlist { margin: 4px 0; padding-left: 18px; font-size: 13px; }
.dlist li { margin: 3px 0; color: var(--fg-1); }
.triage-row { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; align-items: center; }
.rating { display: flex; gap: 3px; align-items: center; }
.rating button { width: 28px; padding: 4px 0; }
.neighbor { display: flex; gap: 8px; align-items: center; padding: 6px 0; border-top: 1px solid var(--line); cursor: pointer; }
.neighbor:hover .nb-title { color: var(--accent); }
.nb-title { font-size: 13px; color: var(--fg-1); flex: 1; }
.nb-sim { font-family: var(--mono); font-size: 11px; color: var(--fg-3); }
.gnode { padding: 5px 0; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--fg-1); }
.gnode .gn-meta { color: var(--fg-3); font-size: 11px; }
.gnode.in-corpus { cursor: pointer; }
.gnode.in-corpus .gn-title { color: var(--cyan); }

/* ============================================================================
   READER
   ========================================================================== */
.reader { position: fixed; inset: 0; z-index: 50; background: var(--bg); display: grid; grid-template-columns: 1fr 340px; grid-template-rows: 48px 1fr; }
.reader-bar { grid-column: 1 / -1; background: var(--bg-1); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 10px; padding: 0 14px; }
.reader-bar .r-title { font-weight: 600; font-size: 13px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.reader-bar .pageinfo { font-family: var(--mono); font-size: 12px; color: var(--fg-2); min-width: 80px; text-align: center; }
.reader-canvas-wrap { overflow: auto; background: var(--bg-2); position: relative; display: flex; flex-direction: column; align-items: center; padding: 20px; }
.pdf-page { position: relative; margin-bottom: 16px; box-shadow: var(--shadow); background: #fff; }
.pdf-page canvas { display: block; }
.textLayer { position: absolute; inset: 0; overflow: hidden; opacity: .25; line-height: 1; }
.textLayer span { position: absolute; white-space: pre; color: transparent; transform-origin: 0 0; cursor: text; }
.textLayer ::selection { background: rgba(22,163,74,.5); }
.reader-no-pdf { grid-column: 1; display: grid; place-items: center; color: var(--fg-2); text-align: center; }
.reader-no-pdf .inner { display: grid; gap: 12px; justify-items: center; }

.notes-panel { background: var(--bg-1); border-left: 1px solid var(--line); display: flex; flex-direction: column; overflow: hidden; }
.notes-head { padding: 12px 14px; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.notes-head h4 { margin: 0; font-size: 13px; flex: 1; }
.notes-list { overflow-y: auto; flex: 1; padding: 10px 12px; }
.note-item { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 8px 10px; margin-bottom: 8px; font-size: 12.5px; }
.note-item .nh { display: flex; gap: 6px; align-items: center; margin-bottom: 4px; }
.note-item .nh .kind { font-size: 10px; text-transform: uppercase; letter-spacing: .05em; color: var(--fg-3); }
.note-item .quote { color: var(--fg-2); font-style: italic; border-left: 2px solid var(--line-2); padding-left: 8px; margin: 4px 0; }
.note-del { margin-left: auto; }
.sel-pop { position: fixed; z-index: 60; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: var(--radius-sm); box-shadow: var(--shadow); display: flex; gap: 2px; padding: 4px; }
.sel-pop button { font-size: 12px; padding: 4px 8px; }

/* ============================================================================
   SELECTION TRAY
   ========================================================================== */
.tray { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); z-index: 38; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: 30px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 10px; padding: 8px 10px 8px 16px; }
.tray .tray-count { font-size: 13px; font-weight: 600; }
.tray .tray-count b { color: var(--accent); }
.tray button { border-radius: 20px; }

/* ============================================================================
   ACTIVITY (background jobs)
   ========================================================================== */
.activity-btn {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: transparent; border: none; color: var(--fg-2);
  padding: 8px 10px; border-radius: var(--radius-sm); font-size: 13.5px; font-weight: 500; margin-bottom: 6px;
}
.activity-btn:hover { background: var(--bg-2); color: var(--fg); }
.activity-badge {
  margin-left: auto; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 10px;
  background: var(--accent); color: #fff; font-size: 11px; font-weight: 700; font-family: var(--mono);
  display: inline-flex; align-items: center; justify-content: center;
}

.activity-drawer { width: min(440px, 94vw); }
.activity-head { display: flex; align-items: center; padding: 18px 24px 12px; border-bottom: 1px solid var(--line); }
.activity-head h3 { margin: 0; font-size: 15px; font-weight: 700; flex: 1; }
.activity-drawer .drawer-close { position: static; }
.activity-list { overflow-y: auto; padding: 12px 16px 40px; flex: 1; }

.act-row { border: 1px solid var(--line); background: var(--bg-2); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; }
.act-row.clickable { cursor: pointer; }
.act-row.clickable:hover { border-color: var(--line-2); background: var(--bg-hover); }
.act-head { display: flex; align-items: center; gap: 8px; }
.act-label { font-size: 13px; font-weight: 600; color: var(--fg); flex: 1; line-height: 1.3; }
.act-elapsed { font-family: var(--mono); font-size: 11px; color: var(--fg-3); }
.act-sub { font-size: 12px; color: var(--fg-2); margin-top: 5px; }
.act-sub.err { color: var(--red); }
.act-ok { color: var(--green); font-weight: 700; }
.act-x { color: var(--red); font-weight: 700; }
.act-spin {
  width: 12px; height: 12px; border-radius: 50%; flex: none;
  border: 2px solid var(--line-2); border-top-color: var(--accent); display: inline-block;
  animation: act-spin 0.7s linear infinite;
}
@keyframes act-spin { to { transform: rotate(360deg); } }

/* ============================================================================
   TOAST
   ========================================================================== */
.toast { position: fixed; bottom: 18px; right: 18px; z-index: 70; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 10px 16px; font-size: 13px; box-shadow: var(--shadow); max-width: 360px; }
.toast.err { border-color: var(--red); color: var(--red); }
.toast.ok { border-color: var(--green); }

/* ============================================================================
   PANELS / STATS (analytics-style cards, reused)
   ========================================================================== */
.cards-2 { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.panel { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; }
.panel h4 { margin: 0 0 10px; font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--fg-3); }
.panel svg { width: 100%; height: auto; display: block; }
.stat-row { display: flex; gap: 18px; flex-wrap: wrap; }
.stat .n { font-size: 22px; font-weight: 700; }
.stat .l { font-size: 11px; color: var(--fg-3); text-transform: uppercase; letter-spacing: .05em; }

/* ---------- settings ------------------------------------------------------- */
.settings-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }
.ws-item { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 13px; }
.ws-item .kind { font-size: 10px; text-transform: uppercase; color: var(--fg-3); background: var(--bg-3); padding: 2px 6px; border-radius: 4px; }
.ws-item .val { flex: 1; word-break: break-all; }

/* ---------- Discover range filters ---------------------------------------- */
.filters { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin: 6px 0 14px; }
.filters-head { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); font-weight: 600; margin-bottom: 8px; }
.filter-row { display: grid; grid-template-columns: 120px 1fr 130px; align-items: center; gap: 14px; padding: 5px 0; }
.filter-row label { margin: 0; color: var(--fg-1); }
.rng-pair { display: flex; flex-direction: column; gap: 3px; }
.rng { width: 100%; accent-color: var(--accent); cursor: pointer; }
.range-read { font-size: 12px; color: var(--fg-1); font-variant-numeric: tabular-nums; text-align: right; }

/* ---------- Saved searches (managed in Discover) -------------------------- */
.saved-panel { background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius); padding: 8px 14px 10px; margin: 6px 0 14px; }
.saved-panel .section-label { margin: 2px 0 6px; }
.saved-row { display: flex; align-items: center; gap: 12px; padding: 6px 0; border-top: 1px solid var(--line); }
.saved-row:first-of-type { border-top: none; }
.saved-main { flex: 1; min-width: 0; cursor: pointer; display: flex; align-items: baseline; gap: 10px; }
.saved-main:hover .saved-name { color: var(--accent); }
.saved-name { font-weight: 600; color: var(--fg); white-space: nowrap; }
.saved-meta { color: var(--fg-2); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.saved-acts { display: flex; gap: 6px; flex-shrink: 0; }

/* ---------- Sidebar board drop targets ------------------------------------ */
.board-drops { margin-top: 10px; display: flex; flex-direction: column; gap: 4px; }
.board-drops-label { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-3); font-weight: 600; padding: 0 4px 2px; }
.board-drop { display: flex; align-items: center; gap: 8px; padding: 7px 10px; border: 1px dashed var(--line-2); border-radius: var(--radius-sm); color: var(--fg-2); font-size: 12.5px; cursor: pointer; transition: all .12s; }
.board-drop:hover { background: var(--bg-2); color: var(--fg); }
.board-drop.drag-over { border-color: var(--accent); border-style: solid; background: rgba(22,163,74,.12); color: var(--accent); }
.board-drop-ico { opacity: .7; flex-shrink: 0; }
.board-drop-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ======================= Board workspace ================================= */
.workspace { background: var(--bg-2); border: 1px solid var(--line-2); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.ws-tabs { display: flex; gap: 2px; padding: 6px 6px 0; border-bottom: 1px solid var(--line); background: var(--bg-1); }
.ws-tab { background: transparent; border: none; color: var(--fg-2); padding: 9px 16px; font-size: 13px; font-weight: 600; cursor: pointer; border-radius: var(--radius-sm) var(--radius-sm) 0 0; border-bottom: 2px solid transparent; }
.ws-tab:hover { color: var(--fg); background: var(--bg-2); }
.ws-tab.active { color: var(--accent); border-bottom-color: var(--accent); background: var(--bg-2); }
.ws-body { padding: 16px; }
.ws-empty { color: var(--fg-3); font-size: 13px; text-align: center; padding: 22px; }
.ws-hint { color: var(--fg-3); font-size: 12.5px; line-height: 1.5; margin-bottom: 12px; }
.ws-input { width: 100%; box-sizing: border-box; background: var(--bg-1); border: 1px solid var(--line-2); border-radius: var(--radius-sm); color: var(--fg); padding: 9px 11px; font-size: 13px; font-family: inherit; resize: vertical; }
.ws-input:focus { outline: none; border-color: var(--accent); }
.ws-ask-row { display: flex; gap: 8px; align-items: flex-end; margin-top: 10px; }
.ws-ask-row .ws-input { flex: 1; }
.ws-ask-row button { flex-shrink: 0; }

/* Ask thread */
.ask-thread { display: flex; flex-direction: column; gap: 14px; margin-bottom: 4px; }
.ask-qa { border-left: 2px solid var(--line-2); padding-left: 12px; }
.ask-q { font-weight: 600; color: var(--fg); font-size: 13.5px; margin-bottom: 6px; }
.ask-a { color: var(--fg-2); font-size: 13px; line-height: 1.6; }
.ask-a p { margin: 0 0 8px; }
.ask-a code { background: var(--bg-3); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.ask-a sup.cite { color: var(--accent); font-size: 10px; font-weight: 600; }
.ask-cites { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-top: 10px; }
.ask-cites-label { color: var(--fg-3); font-size: 11px; text-transform: uppercase; letter-spacing: .05em; }
.cite-chip { background: var(--bg-3); border: 1px solid var(--line-2); color: var(--fg-2); border-radius: 999px; padding: 3px 10px; font-size: 11.5px; cursor: pointer; max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cite-chip:hover { border-color: var(--accent); color: var(--fg); }

/* Find more */
.intent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 12px; }
.intent-card { text-align: left; background: var(--bg-1); border: 1px solid var(--line-2); border-radius: var(--radius-sm); padding: 12px; cursor: pointer; transition: border-color .12s, background .12s; }
.intent-card:hover { border-color: var(--accent); background: var(--bg-3); }
.intent-title { font-weight: 600; color: var(--fg); font-size: 13px; margin-bottom: 4px; }
.intent-desc { color: var(--fg-3); font-size: 11.5px; line-height: 1.4; }
.find-out { margin-top: 14px; }
.find-rationale { color: var(--fg-2); font-size: 13px; line-height: 1.55; background: var(--bg-1); border-left: 2px solid var(--accent); padding: 8px 12px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin-bottom: 10px; }
.find-queries { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 12px; }

/* Synthesis */
.synth-summary { font-size: 14px; line-height: 1.6; color: var(--fg); background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 12px 14px; margin-bottom: 14px; }
.chip-row { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.chip.method { background: rgba(22,163,74,.12); border: 1px solid rgba(22,163,74,.3); color: var(--accent); }
.dir-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.dir-card { display: flex; gap: 10px; align-items: flex-start; background: var(--bg-1); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 13px; line-height: 1.5; color: var(--fg-2); }
.dir-arrow { color: var(--accent); font-weight: 700; flex-shrink: 0; }
.synth-reads { margin-top: 8px; }
.synth-reads > summary { cursor: pointer; color: var(--fg-2); font-size: 12.5px; font-weight: 600; padding: 6px 0; }

/* ======================= Board chat workspace =========================== */
.chat { background: var(--bg-1); border: 1px solid var(--line-2); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 14px; }
.chat-context { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 8px; border: 1.5px dashed var(--line-2); border-radius: var(--radius-sm); margin-bottom: 10px; min-height: 38px; transition: border-color .12s, background .12s; }
.chat-context.drag-over { border-color: var(--accent); background: rgba(22,163,74,.06); }
.chat-context-label { font-size: 10px; text-transform: uppercase; letter-spacing: .07em; color: var(--fg-3); font-weight: 700; }
.chat-context-hint { color: var(--fg-3); font-size: 12px; }
.ctx-chip { display: inline-flex; align-items: center; gap: 6px; background: var(--bg-3); border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 6px 3px 10px; font-size: 11.5px; max-width: 260px; }
.ctx-chip-t { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; color: var(--fg-1); }
.ctx-chip-t:hover { color: var(--accent); }
.ctx-x { border: none; background: transparent; color: var(--fg-3); padding: 0 2px; font-size: 12px; cursor: pointer; }
.ctx-x:hover { color: var(--red); background: transparent; }
.chat-thread { display: flex; flex-direction: column; gap: 14px; max-height: 46vh; overflow-y: auto; padding-right: 4px; }
.chat-thread:empty { display: none; }
.chat-inputrow { margin-top: 10px; }
.chat-input { width: 100%; box-sizing: border-box; background: var(--bg-1); border: 1px solid var(--line-2); border-radius: var(--radius-sm); color: var(--fg); padding: 9px 11px; font-size: 13px; font-family: inherit; resize: vertical; }
.chat-input:focus { outline: none; border-color: var(--accent); }
.chat-tools { display: flex; align-items: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.chat-tools-div { width: 1px; height: 18px; background: var(--line-2); margin: 0 2px; }
.find-intents { display: flex; align-items: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.msg-card { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--bg-2); padding: 12px 14px; }
.msg-card-head { font-weight: 700; font-size: 12.5px; color: var(--fg); margin-bottom: 8px; }

/* ======================= Board canvas view ============================== */
.canvas-wrap { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--bg-2); }
.canvas-toolbar { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-bottom: 1px solid var(--line); background: var(--bg-1); flex-wrap: wrap; }
.canvas-help { color: var(--fg-3); font-size: 11.5px; margin-left: auto; }
.canvas-scroll { height: 68vh; min-height: 440px; overflow: auto; background:
  radial-gradient(circle, var(--line) 1px, transparent 1px) 0 0 / 22px 22px, var(--bg-2); }
.canvas-area { position: relative; }
.canvas-edges { position: absolute; inset: 0; pointer-events: none; z-index: 1; }
.canvas-edges line.edge { stroke: var(--fg-3); stroke-width: 1.6; }
.canvas-edges line.edge.temp { stroke: var(--accent); stroke-dasharray: 4 3; }
.edge-labels { position: absolute; inset: 0; z-index: 7; pointer-events: none; }
.edge-label { position: absolute; transform: translate(-50%, -50%); background: var(--bg-1); border: 1px solid var(--line-2); border-radius: 999px; padding: 2px 8px; font-size: 11px; color: var(--fg-1); cursor: pointer; pointer-events: auto; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.edge-label.empty { color: var(--fg-3); border-style: dashed; }
.edge-x { border: none; background: transparent; color: var(--fg-3); font-size: 10px; padding: 0; cursor: pointer; }
.edge-x:hover { color: var(--red); background: transparent; }
.edge-input { position: absolute; transform: translate(-50%, -50%); width: 130px; font-size: 11px; padding: 2px 6px; pointer-events: auto; z-index: 3; }

.cnode { position: absolute; z-index: 5; background: var(--bg-1); border: 1px solid var(--line-2); border-radius: var(--radius-sm); box-shadow: var(--shadow); width: 230px; }
.cnode-paper { }
.cnode-text { background: #fffbe8; border-color: #ecdca0; }
.cnode-group { z-index: 3; background: rgba(22,163,74,.05); border: 1.5px dashed var(--accent); box-shadow: none; }
.cnode-head { display: flex; align-items: center; gap: 6px; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.cnode-group > .cnode-head, .cnode-text > .cnode-head { border-bottom: none; }
.cnode-grip { cursor: grab; color: var(--fg-3); font-size: 13px; user-select: none; touch-action: none; }
.cnode-grip:active { cursor: grabbing; }
.cnode-title { font-size: 12px; font-weight: 600; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; flex: 1; }
.cnode-title:hover { color: var(--accent); }
.cnode-label { flex: 1; border: none; background: transparent; font-size: 12px; font-weight: 600; color: var(--fg); padding: 2px 4px; }
.cnode-label:focus { background: var(--bg-2); border-radius: 4px; }
.cnode-conn { width: 12px; height: 12px; border-radius: 50%; background: var(--accent); cursor: crosshair; flex-shrink: 0; touch-action: none; border: 2px solid var(--bg-1); box-sizing: content-box; }
.cnode-del { border: none; background: transparent; color: var(--fg-3); font-size: 11px; padding: 0 2px; cursor: pointer; opacity: 0; }
.cnode:hover .cnode-del { opacity: 1; }
.cnode-del:hover { color: var(--red); background: transparent; }
.cnode-body { padding: 8px; }
.cnode-note { width: 100%; box-sizing: border-box; font-size: 11.5px; border: 1px solid var(--line); border-radius: 4px; padding: 5px 7px; resize: vertical; background: var(--bg-1); color: var(--fg-1); font-family: inherit; }
.cnode-acts { display: flex; gap: 6px; margin-top: 6px; }
.cnode-text > .cnode-text, .cnode .cnode-text { width: 100%; box-sizing: border-box; border: none; background: transparent; font-size: 12px; color: var(--fg); resize: none; padding: 4px 8px 8px; font-family: inherit; }
.cnode-resize { position: absolute; right: 2px; bottom: 2px; width: 14px; height: 14px; cursor: nwse-resize; touch-action: none;
  background: linear-gradient(135deg, transparent 50%, var(--line-2) 50%); border-radius: 0 0 4px 0; }

/* ======================= Board two-column layout ======================== */
.board-tab-add { color: var(--fg-3); font-weight: 600; margin-left: 4px; }
.board-tab-add:hover { color: var(--accent); background: transparent; }
/* the whole board fits the viewport: only the middle pane and the chat thread scroll,
   never the page itself */
.page-board { height: 100vh; max-width: none; display: flex; flex-direction: column; padding: 16px 24px; overflow: hidden; }
.page-board #bd-main { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }

.board-layout { display: flex; gap: 16px; align-items: stretch; flex: 1 1 auto; min-height: 0; }
.board-main { flex: 1; min-width: 0; display: flex; flex-direction: column; overflow: hidden; }
.page-board #bd-view { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
/* the active view fills the middle pane and scrolls internally */
.page-board #bd-view > .kanban { flex: 1 1 auto; min-height: 0; overflow: auto; align-items: flex-start; }
.page-board #bd-view > .canvas-wrap { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }
.page-board #bd-view > .canvas-wrap > .canvas-scroll { flex: 1 1 auto; height: auto; }

.board-chat { width: 372px; flex-shrink: 0; display: flex; }
.board-chat .chat { margin-bottom: 0; flex: 1; display: flex; flex-direction: column; min-height: 0; height: 100%; overflow: hidden; }
/* the thread fills the space between the context tray and the input; it stays blank
   (white) until there are messages, but always holds its height so the box is stable */
.board-chat .chat-thread { flex: 1 1 auto; max-height: none; min-height: 0; overflow-y: auto; }
.board-chat .chat-thread:empty { display: block; }

@media (max-width: 1040px) {
  .page-board { height: auto; overflow: visible; }
  .page-board .board-main { overflow: visible; }
  .page-board #bd-view > .kanban { overflow: visible; }
  .page-board #bd-view > .canvas-wrap > .canvas-scroll { height: 70vh; }
  .board-layout { flex-direction: column; min-height: 0; }
  .board-chat { width: 100%; height: 70vh; }
  .board-chat .chat-thread { min-height: 160px; }
}

/* canvas: drag empty space to pan */
.canvas-scroll { cursor: grab; }
.canvas-scroll.panning { cursor: grabbing; }
.canvas-scroll.panning .cnode { pointer-events: none; }

.cnode { cursor: default; }

/* compact paper card (kanban) */
.card.compact { padding: 7px 10px 7px 16px; }
.card.compact .card-grip { top: 7px; }
.card.compact .card-title { font-size: 12.5px; line-height: 1.3; }
.card.compact .card-meta { font-size: 10.5px; margin-top: 3px; gap: 4px; }
.card.compact .card-actions { margin-top: 6px; }

/* canvas paper node: title-only, compact but the full title stays readable */
.cnode-paper { width: 234px; }
.cnode-paper > .cnode-head { border-bottom: none; align-items: flex-start; }
.cnode-paper .cnode-title { white-space: normal; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; line-height: 1.3; padding: 1px 0; }
.cnode-chat { border: none; background: transparent; color: var(--fg-3); font-size: 14px; line-height: 1; cursor: pointer; padding: 0 3px; flex-shrink: 0; }
.cnode-chat:hover { color: var(--accent); background: transparent; }

/* searchable author facet */
.facet-search { width: 100%; box-sizing: border-box; font-size: 12px; padding: 5px 8px; margin-bottom: 6px; }
.facet-list { max-height: 230px; overflow-y: auto; padding-right: 2px; }

/* ---------- Google OAuth button + divider (login card) -------------------- */
.google-btn { display: flex; align-items: center; justify-content: center; gap: 9px;
  background: var(--bg-1); color: var(--fg); border: 1px solid var(--line-2);
  font-size: 13.5px; font-weight: 600; padding: 9px 12px; border-radius: var(--radius-sm); }
.google-btn:hover { background: var(--bg-2); border-color: var(--line-2); color: var(--fg); }
.google-btn svg { flex-shrink: 0; }
.auth-divider { display: flex; align-items: center; gap: 10px; margin: 14px 0; color: var(--fg-3); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.auth-divider::before, .auth-divider::after { content: ""; flex: 1; height: 1px; background: var(--line); }