/* Swiss grid: 12 columns, shared gutters/margins, 8px baseline.
   Flat surfaces, no radii, NO hairline rules — separation comes from
   spacing and surface tone (user request 2026-07-10: borderless). */
@font-face {
  font-family: "Press Start 2P";
  src: url(/static/fonts/press-start-2p.woff2) format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url(/static/fonts/jetbrains-mono.woff2) format("woff2");
  font-display: swap;
}
@font-face {
  font-family: "VT323";
  src: url(/static/fonts/vt323.woff2) format("woff2");
  font-display: swap;
}

/* synthwave palette — sampled from the Sparrowhawk Games logo */
:root {
  --bg: #0d0d1e;
  --surface: #14142b;
  --surface-2: #1c1c38;
  --border: #2b2b4d;
  --fg: #eae8f8;
  --dim: #8d8ab2;
  --accent: #f0257c;
  --accent-2: #35b5ff;
  --accent-fg: #0d0d1e;
  --danger: #ff6b6b;
  --pixel: "Press Start 2P", monospace;
  --retro: "VT323", monospace;
  --mono: "JetBrains Mono", "SF Mono", ui-monospace, Menlo, monospace;
  --sans: -apple-system, "Helvetica Neue", sans-serif;

  --u: 8px;            /* baseline unit */
  --gutter: 24px;      /* column gutter */
  --margin: 40px;      /* page margin */
  --stage-pad: 28px;   /* breathing room inside the main stage */
}

/* ---- alternate palettes — shift+click the SPARROWHAWK wordmark to cycle.
   Each theme only re-binds the color tokens; layout/type never change.
   Two accents per theme: a warm "act" color (buttons, approve, risk-medium)
   and a cool "state" color (chips, running, ok). ---- */

/* Ink & Ember — deep blue-black + warm amber / muted teal. Calm, warm. */
html[data-theme="ember"] {
  --bg: #12151c;
  --surface: #1a1e28;
  --surface-2: #222734;
  --border: #2f3545;
  --fg: #e8e4da;
  --dim: #8b8fa3;
  --accent: #e8a04c;
  --accent-2: #5fa8a0;
  --accent-fg: #12151c;
}

/* Studio Slate — near-neutral graphite + soft violet / sparse gold. Quietest. */
html[data-theme="slate"] {
  --bg: #16161a;
  --surface: #1f1f24;
  --surface-2: #28282e;
  --border: #35353d;
  --fg: #dddde2;
  --dim: #84848f;
  --accent: #9d7bd8;
  --accent-2: #d8b86a;
  --accent-fg: #16161a;
}

/* Aviary — forest slate + raptor-eye yellow / sky blue. The namesake. */
html[data-theme="aviary"] {
  --bg: #131817;
  --surface: #1b2220;
  --surface-2: #242d2a;
  --border: #313d39;
  --fg: #e2e8e3;
  --dim: #7e8c85;
  --accent: #ebc53f;
  --accent-2: #6fa8dc;
  --accent-fg: #131817;
}

/* Paper — warm off-white light theme + terracotta / deep teal. Daytime. */
html[data-theme="paper"] {
  --bg: #f6f3ec;
  --surface: #ffffff;
  --surface-2: #ece8de;
  --border: #d5cfc2;
  --fg: #22242a;
  --dim: #6e7076;
  --accent: #c4552e;
  --accent-2: #3c6e71;
  --accent-fg: #f6f3ec;
  --danger: #b02e2e;
}

* { box-sizing: border-box; margin: 0; }

/* hairline scrollbars */
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }
*::-webkit-scrollbar { width: 2px; height: 2px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: var(--border); }
*::-webkit-scrollbar-thumb:hover { background: var(--accent); }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--retro);
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* hidden must beat the display:grid below (id selector outranks the UA rule) */
#view-dashboard[hidden], #view-project[hidden], #view-wiki[hidden] { display: none; }

/* every top-level band shares the same 12-column grid */
header, #view-dashboard, #view-project, #view-wiki {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  padding-left: var(--margin);
  padding-right: var(--margin);
}

header {
  align-items: baseline;
  padding-top: calc(var(--u) * 3);
  padding-bottom: calc(var(--u) * 2);
}

.wordmark {
  grid-column: 1 / 4;
  font-family: var(--pixel);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 400;
}

#crumb {
  grid-column: 4 / 11;
  color: var(--dim);
  font-size: 16px;
  letter-spacing: .5px;
}

.header-actions {
  grid-column: 10 / 13;
  justify-self: end;
  align-self: center;
  display: flex;
  align-items: center;
  gap: var(--u);
}
#logout-btn { font-family: var(--mono); font-size: 14px; padding: var(--u); }
#logout-btn:hover { color: var(--accent); }

.settings-note { font-size: 15px; line-height: calc(var(--u) * 2.5); margin-bottom: calc(var(--u) * 2); max-width: 58ch; }
.settings-note code { font-family: var(--mono); font-size: 11px; color: var(--fg); }
.settings-sub { font-family: var(--retro); font-size: 22px; font-weight: 400; margin: calc(var(--u) * 2) 0 var(--u); }
#settings-dialog { width: min(760px, 94vw); }
#settings-persona { resize: vertical; margin-bottom: var(--u); }
.persona-reset { padding-left: 0; margin-bottom: var(--u); font-size: 13px; }
.provider-row {
  display: grid;
  grid-template-columns: 100px 170px 1fr 1fr 28px;
  gap: var(--u);
  align-items: center;
  margin-bottom: var(--u);
}
.provider-row input, .provider-row select {
  background: var(--bg);
  color: var(--fg);
  border: 1px solid transparent;
  border-radius: 0;
  padding: var(--u);
  font-size: 15px;
  font-family: var(--retro);
}
.provider-row input:focus, .provider-row select:focus { outline: none; border-color: var(--accent); }
.provider-row .p-del { padding: 0; font-size: 16px; }
#provider-add { padding-left: 0; margin-bottom: var(--u); }

/* text buttons — no chrome; the filled .accent block is the only emphasized action */
button {
  background: none;
  color: var(--dim);
  border: none;
  border-radius: 0;
  padding: var(--u) calc(var(--u) * 1.5);
  font-size: 16px;
  font-family: var(--retro);
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
}
button:hover { color: var(--accent); }
button.accent { background: var(--accent); color: var(--accent-fg); font-weight: 700; padding: var(--u) calc(var(--u) * 2); }
button.accent:hover { color: var(--accent-fg); }
button:disabled { opacity: .5; cursor: default; }

/* the Run pipeline button while a run is live (Stop ■) */
button.danger { color: var(--danger); border-color: var(--danger); }
button.danger:hover { background: var(--danger); color: var(--bg); }

/* pipeline stage toggles — overrides dialog label's generic dim/uppercase/
   margin-bottom styling (these rows are labels, but read as a checklist) */
#pipeline-list { max-height: 50vh; overflow-y: auto; }
.pipeline-row {
  display: flex; flex-direction: row; align-items: center; gap: var(--u);
  padding: 3px 0; margin-bottom: 0;
  font-size: 15px; font-family: var(--retro); text-transform: none;
  letter-spacing: normal; color: var(--fg); cursor: pointer;
}
.pipeline-row input[type="checkbox"] {
  all: revert;  /* undo the generic "dialog input" block/width/padding rule */
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}
.pipeline-row .t { flex: 1; }
.pipeline-row .note { font-size: 13px; color: var(--dim); }

.dim { color: var(--dim); }
.spacer { flex: 1; }

/* ---- dashboard ---- */
#view-dashboard {
  padding-top: calc(var(--u) * 5);
  padding-bottom: calc(var(--u) * 5);
  overflow-y: auto;
  flex: 1;
  align-content: start;
}

.grid {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--gutter);
  row-gap: calc(var(--u) * 5);
}

#empty-note { grid-column: 1 / 7; font-size: 16px; line-height: calc(var(--u) * 3); }

/* card = rule + type, no box */
.card {
  grid-column: span 3;
  border-top: 2px solid var(--fg);
  padding-top: calc(var(--u) * 2);
  cursor: pointer;
}
.card:hover { border-top-color: var(--accent); }
.card:hover h3 { color: var(--accent); }
.card h3 {
  font-family: var(--retro);
  font-size: 26px;
  font-weight: 400;
  line-height: calc(var(--u) * 3);
  margin-bottom: var(--u);
  min-height: calc(var(--u) * 6);
}
.card .meta {
  font-size: 14px;
  color: var(--dim);
  display: flex;
  gap: calc(var(--u) * 2);
  flex-wrap: wrap;
  font-family: var(--retro);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.badge { padding: 0; border: none; }
.badge.status { color: var(--accent); }
.badge.engine { color: var(--accent-2); }

@media (max-width: 1200px) { .card { grid-column: span 4; } }
@media (max-width: 860px)  { .card { grid-column: span 6; } }
@media (max-width: 560px)  { .card { grid-column: span 12; } }

/* ---- project view ---- */
#view-project, #view-wiki { flex: 1; min-height: 0; padding-right: 0; }

/* the project workspace is its own simple 3-track grid (openwebui-style):
   a slim resizable nav, the chat, and the summonable canvas. --nav-w is
   set by dragging the #nav-resize handle (persisted; dblclick resets). */
#view-project {
  position: relative;   /* anchors the resize handle */
  grid-template-columns: var(--nav-w, 240px) minmax(0, 5fr) minmax(0, 4fr);
}
#view-project #section-nav { grid-column: 1; }
#nav-resize {
  position: absolute;
  top: 0;
  bottom: 0;
  left: calc(var(--margin) + var(--nav-w, 240px) + var(--gutter) / 2);
  width: 9px;
  transform: translateX(-50%);
  cursor: col-resize;
  z-index: 5;
}
#nav-resize:hover, #nav-resize.dragging { background: var(--surface-2); }

#section-nav, #wiki-nav-col {
  grid-column: 1 / 4;
  padding: calc(var(--u) * 4) var(--gutter) calc(var(--u) * 2) 0;
  overflow-y: auto;
}

.nav-item {
  padding: var(--u) 0;
  font-size: 17px;
  line-height: calc(var(--u) * 3);
  cursor: pointer;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-item:hover { color: var(--fg); }
.nav-item.active { color: var(--fg); }
.nav-item.active .num { color: var(--accent); }
.nav-item .num {
  font-family: var(--retro);
  font-size: 14px;
  color: var(--dim);
  display: inline-block;
  width: calc(var(--u) * 4);
}
.nav-item.filled::after { content: "●"; float: right; color: var(--accent); font-size: 8px; line-height: calc(var(--u) * 3); }
.nav-item.optional { font-style: italic; }

#wiki-pane {
  grid-column: 4 / 13;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
}

/* the canvas is the third column, summoned only when needed (opencode-style
   panel): rest = nav · chat; open = nav 1-4 · chat 4-9 · canvas 9-13, a real
   track under the header, separated by surface tone, not rules. ⛶ expanded:
   the canvas takes the whole stage, chat steps aside; Esc hands it back. */
#editor-pane {
  grid-column: 3;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  /* the column is narrower than the full stage — tighten its inner air */
  --stage-pad: calc(var(--u) * 2);
  --margin: calc(var(--u) * 2);
}
body:not(.canvas-open) #editor-pane { display: none; }
body.editor-expanded #editor-pane {
  grid-column: 2 / 4;
  --stage-pad: 28px;
  --margin: 40px;
}
body.editor-expanded #chat-panel { display: none; }
#drawer-expand.active { color: var(--accent); }
/* narrow windows: one pane at a time — an open canvas takes the stage */
@media (max-width: 1100px) {
  body.canvas-open #editor-pane { grid-column: 2 / 4; }
  body.canvas-open #chat-panel { display: none; }
}

#wiki-bar {
  display: flex;
  align-items: baseline;
  gap: calc(var(--u) * 2);
  padding: calc(var(--u) * 4) var(--margin) var(--u) var(--stage-pad);
}

/* canvas header stacks: title row (SECTION · ⛶ ×), then the actions row —
   never one mashed line in the narrow column */
#editor-bar {
  display: flex;
  flex-direction: column;
  gap: var(--u);
  /* top pad matches #chat-head so the two column heads sit on one line */
  padding: calc(var(--u) * 2) var(--margin) var(--u) var(--stage-pad);
}
#editor-bar .bar-row {
  display: flex;
  align-items: baseline;
  gap: calc(var(--u) * 2);
  min-width: 0;
}
#editor-bar .bar-row h2 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#editor-bar .bar-actions {
  flex-wrap: wrap;
  gap: var(--u) calc(var(--u) * 2);
}
#editor-bar button { white-space: nowrap; }
#wiki-bar h2 { font-family: var(--retro); font-size: 30px; font-weight: 400; }
#editor-bar h2 { font-family: var(--retro); font-size: 24px; font-weight: 400; }

#section-guidance {
  font-size: 15px;
  padding: 0 var(--margin) calc(var(--u) * 2) var(--stage-pad);
  line-height: calc(var(--u) * 2.5);
  /* one quiet line — never a scrolling block; full text on hover (title) */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- variation compare pane ---------- */
#variations-pane {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
/* display:flex beats the hidden attribute — without this the closed drawer
   still eats flex:1 as invisible blank space above the production panes */
#variations-pane[hidden] { display: none; }
.var-bar {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 2);
  padding: var(--u) var(--margin) var(--u) var(--stage-pad);
  border-bottom: 1px solid var(--border);
}
#var-cards {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: calc(var(--u) * 2) var(--margin) calc(var(--u) * 3) var(--stage-pad);
  display: grid;
  gap: var(--gutter);
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  align-content: start;
}
.var-card {
  border: 1px solid var(--border);
  background: var(--surface);
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.var-head {
  display: flex;
  align-items: baseline;
  gap: var(--u);
  padding: var(--u) calc(var(--u) * 1.5);
  border-bottom: 1px solid var(--border);
}
.var-head .var-n { font-family: var(--mono); color: var(--accent); font-size: 13px; }
.var-angle { font-size: 13px; color: var(--dim); flex: 1; }
.var-body {
  padding: calc(var(--u) * 1.5);
  overflow-y: auto;
  max-height: 44vh;
  font-size: 14px;
  line-height: calc(var(--u) * 2.5);
}
.var-body.loading { color: var(--dim); font-style: italic; }
.var-card.error .var-body { color: var(--danger); white-space: pre-wrap; }
.var-foot { padding: var(--u) calc(var(--u) * 1.5); border-top: 1px solid var(--border); display: flex; align-items: center; }
/* fan-out judge: score chip, critique, and winner marker */
.var-score { font-family: var(--mono); font-size: 12px; color: var(--accent); margin-right: auto; }
.var-critique { padding: 0 calc(var(--u) * 1.5) var(--u); font-size: 11px; color: var(--dim); font-style: italic; }
.var-card.var-winner { border-color: var(--accent); }
.var-badge {
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.04em;
  color: var(--accent-fg); background: var(--accent); padding: 1px var(--u);
}

#editor, #wiki-editor {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  border: none;
  padding: var(--stage-pad) var(--margin) calc(var(--u) * 3) var(--stage-pad);
  font-family: var(--retro);
  font-size: 17px;
  line-height: calc(var(--u) * 3);
  resize: none;
  outline: none;
}

#status-line, #wiki-status {
  padding: var(--u) var(--margin) var(--u) var(--stage-pad);
  font-size: 14px;
  font-family: var(--retro);
  text-transform: uppercase;
  letter-spacing: 1px;
  min-height: calc(var(--u) * 4);
}

.nav-group-label {
  font-family: var(--retro);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--dim);
  padding: calc(var(--u) * 3) 0 var(--u);
  cursor: pointer;
  user-select: none;
}
.nav-group-label::after { content: "▾"; float: right; }
.nav-group-label.collapsed::after { content: "▸"; }
.nav-group-label:hover { color: var(--fg); }
.nav-group.collapsed { display: none; }
#section-nav .nav-group-label:first-child { padding-top: 0; }
.nav-item.nav-action { color: var(--dim); font-size: 12px; }
.nav-item.nav-action:hover { color: var(--accent); }

/* ---- production panes (assets / game / board) ---- */
.pane {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.pane[hidden] { display: none; }

.pane-bar {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 1.5);
  padding: calc(var(--u) * 2) var(--margin) calc(var(--u) * 2) var(--stage-pad);
}
.pane-bar select, .pane-bar input {
  background: var(--surface); /* tone, not a border, marks the field */
  color: var(--fg);
  border: 1px solid transparent;
  padding: var(--u);
  font-size: 16px;
  font-family: var(--retro);
}
.pane-bar input { flex: 1; }
.pane-bar input:focus, .pane-bar select:focus { outline: none; border-color: var(--accent); }
.upload-label {
  background: var(--accent);
  color: var(--accent-fg);
  font-family: var(--retro);
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: var(--u) calc(var(--u) * 2);
  cursor: pointer;
}

/* ---- markdown preview ---- */
.md-body {
  font-family: var(--retro);
  font-size: 18px;
  flex: 1;
  overflow-y: auto;
  padding: var(--stage-pad) var(--margin) calc(var(--u) * 4) var(--stage-pad);
  font-size: 14px;
  line-height: 1.65;
  max-width: 100%;
}
.md-body[hidden] { display: none; }
.md-body p, .md-body ul, .md-body ol, .md-body li { font-size: 18px; }
.md-body h1, .md-body h2, .md-body h3, .md-body h4 {
  font-family: var(--retro);
  font-weight: 400;
  margin: calc(var(--u) * 3) 0 var(--u);
  line-height: 1.15;
}
.md-body h1 { font-size: 34px; }
.md-body h2 { font-size: 28px; padding-bottom: var(--u); }
.md-body h3 { font-size: 23px; color: var(--accent); }
.md-body h4 { font-size: 19px; color: var(--dim); }
.md-body h1:first-child, .md-body h2:first-child { margin-top: 0; }
.md-body p, .md-body ul, .md-body ol { margin-bottom: calc(var(--u) * 1.5); }
.md-body ul, .md-body ol { padding-left: calc(var(--u) * 3); }
.md-body li { margin-bottom: calc(var(--u) / 2); }
.md-body a { color: var(--accent-2); }
.md-body strong { color: var(--fg); }
.md-body em { color: var(--dim); }
.md-body code {
  font-family: var(--mono);
  font-size: 12px;
  background: var(--surface);
  padding: 1px 5px;
}
.md-body pre {
  background: var(--surface);
  padding: calc(var(--u) * 1.5);
  overflow-x: auto;
  margin-bottom: calc(var(--u) * 1.5);
}
.md-body pre code { background: none; padding: 0; }
.md-body blockquote {
  border-left: 2px solid var(--accent);
  padding-left: calc(var(--u) * 2);
  color: var(--dim);
  margin-bottom: calc(var(--u) * 1.5);
}
.md-body table { border-collapse: collapse; margin-bottom: calc(var(--u) * 2); display: block; overflow-x: auto; }
.md-body th, .md-body td { border: 1px solid var(--border); padding: var(--u) calc(var(--u) * 1.5); font-size: 13px; text-align: left; }
.md-body th { font-family: var(--mono); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--dim); }
.md-body hr { border: none; border-top: 1px solid var(--border); margin: calc(var(--u) * 3) 0; }
.md-body img { max-width: 100%; }

/* ---- entry splash: retro TV ---- */
#splash {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg) url(/static/img/splash-bg.jpg) center / cover no-repeat;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding-bottom: 14vh;
  transition: opacity .45s ease;
  animation: crt-flicker 6s steps(60) infinite;
}
#splash.fade { opacity: 0; pointer-events: none; }

/* static scanlines + faint rgb stripe mask */
#splash .crt-scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg,
      rgba(0, 0, 0, .28) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg,
      rgba(255, 0, 90, .035) 0 1px, rgba(0, 255, 200, .025) 1px 2px,
      rgba(0, 90, 255, .035) 2px 3px);
}
/* slow vertical sync roll */
#splash .crt-rollbar {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
    transparent 0%, rgba(234, 232, 248, .05) 45%,
    rgba(234, 232, 248, .09) 50%, rgba(234, 232, 248, .05) 55%,
    transparent 100%);
  background-size: 100% 30vh;
  background-repeat: no-repeat;
  animation: crt-roll 7s linear infinite;
}
/* tube vignette + rounded corners feel */
#splash .crt-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center,
    transparent 55%, rgba(0, 0, 0, .35) 82%, rgba(0, 0, 0, .7) 100%);
}
#splash-note {
  position: relative;
  z-index: 1;
  font-family: var(--retro);
  font-size: 17px;
  color: var(--accent-2);
  min-height: 24px;
  margin-bottom: calc(var(--u) * 2);
  text-shadow: 0 0 8px color-mix(in srgb, var(--accent-2) 50%, transparent);
}
#splash button {
  position: relative;
  z-index: 1;
  font-family: var(--pixel);
  font-size: 13px;
  background: var(--accent);
  color: var(--accent-fg);
  padding: calc(var(--u) * 2) calc(var(--u) * 4);
  box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 50%, transparent);
  animation: splash-blink 1.4s step-end infinite;
}
#splash button:hover { animation: none; color: var(--accent-fg); }
@keyframes splash-blink { 50% { opacity: .55; } }
@keyframes crt-roll {
  0% { background-position: 0 -30vh; }
  100% { background-position: 0 130vh; }
}
@keyframes crt-flicker {
  0%, 100% { filter: brightness(1); }
  3% { filter: brightness(1.03); }
  7% { filter: brightness(.98); }
  31% { filter: brightness(1.01); }
  58% { filter: brightness(.985); }
  81% { filter: brightness(1.02); }
}

/* assets */
#asset-grid {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: calc(var(--u) * 3) var(--gutter);
  padding: calc(var(--u) * 3) var(--margin) calc(var(--u) * 3) var(--stage-pad);
  align-content: start;
}
#asset-grid.dropping { outline: 1px dashed var(--accent); outline-offset: -8px; }
#asset-grid .empty { grid-column: 1 / -1; font-size: 13px; }
.asset-card { padding-top: var(--u); }
.asset-card .thumb {
  display: block;
  aspect-ratio: 1;
  background: var(--surface);
  margin-bottom: var(--u);
  overflow: hidden;
  text-decoration: none;
}
.asset-card .thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.asset-card .thumb.file-ext {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 2px;
  color: var(--dim);
}
.asset-card .a-name {
  font-size: 15px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.asset-card .a-meta {
  font-family: var(--retro);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
  margin: calc(var(--u) / 2) 0;
}
.asset-card .a-actions { display: flex; }
.asset-card .a-actions button { padding: 2px var(--u) 2px 0; font-size: 10px; }

/* game */
#game-files {
  padding: calc(var(--u) * 1.5) var(--margin) calc(var(--u) * 1.5) var(--stage-pad);
  font-family: var(--retro);
  font-size: 14px;
  letter-spacing: .5px;
}
#game-log {
  flex: 1;
  overflow-y: auto;
  margin: 0;
  padding: calc(var(--u) * 2) var(--margin) calc(var(--u) * 2) var(--stage-pad);
  font-family: var(--retro);
  font-size: 15px;
  line-height: calc(var(--u) * 2.25);
  white-space: pre-wrap;
  color: var(--dim);
}
#game-play[hidden] { display: none; }

/* board */
#board-cols {
  flex: 1;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: var(--gutter);
  padding: calc(var(--u) * 3) var(--margin) calc(var(--u) * 3) var(--stage-pad);
  align-content: start;
}
.board-col { min-width: 0; }
.board-col h3 {
  font-family: var(--mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--dim);
  padding-bottom: var(--u);
  margin-bottom: calc(var(--u) * 2);
}
.board-col .col-body { min-height: calc(var(--u) * 6); }
.board-col.drag-over { outline: var(--hair, 1px solid var(--border)); outline-color: var(--accent); outline-offset: 4px; }
.board-card {
  padding: var(--u) 0 calc(var(--u) * 1.5) var(--u);
  margin-bottom: calc(var(--u) * 2);
  border-left: 2px solid transparent;
}
.board-card[draggable="true"] { cursor: grab; }
.board-card.dragging { opacity: 0.4; }
.board-card.priority { border-left-color: var(--accent); }
.board-card.kb-focus { outline: 1px solid var(--accent); outline-offset: 2px; }
.board-card.just-done .b-title { color: var(--accent); }
.board-card .b-head { display: flex; align-items: baseline; gap: 6px; }
.board-card .flag { padding: 0; font-size: 12px; line-height: 1; color: var(--dim); }
.board-card.priority .flag { color: var(--accent); }
.board-card .b-title { font-size: 17px; line-height: calc(var(--u) * 2.5); cursor: pointer; }
.board-card .b-title:hover { color: var(--accent); }
.board-card .b-note { font-size: 14px; line-height: calc(var(--u) * 2); margin-top: 2px; }
.board-card .b-due { font-family: var(--mono); font-size: 11px; color: var(--dim); margin-top: 2px; }
.board-card .b-due.overdue { color: var(--danger); }
.board-card .b-actions { display: flex; align-items: center; margin-top: var(--u); }
.board-card .b-actions button { padding: 0 var(--u) 0 0; font-size: 12px; }

/* ---- chat panel: the primary surface (openwebui at rest, opencode when the
   canvas joins). Rest: the chat owns the whole stage with a centered reading
   measure. Canvas open: chat keeps the majority track (4-9 vs 9-13). ---- */
#chat-panel {
  grid-column: 2 / 4;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  /* center the reading column; percentage padding keeps the scrollbar at the
     pane edge (px measure, not ch — log and form fonts differ) */
  --chat-measure: 720px;
}
body.canvas-open #chat-panel { grid-column: 2; }
#chat-panel[hidden] { display: none; }
#chat-log,
#chat-form {
  padding-left: max(calc((100% - var(--chat-measure)) / 2), calc(var(--u) * 3));
  padding-right: max(calc((100% - var(--chat-measure)) / 2), calc(var(--u) * 3));
}

#chat-head {
  display: flex;
  align-items: center;
  gap: var(--u);
  padding: calc(var(--u) * 2) calc(var(--u) * 3);
}
#agent-face {
  font-family: var(--mono); /* kaomoji need real unicode coverage */
  font-size: 13px;
  color: var(--dim);
  text-transform: none;     /* kaomoji states: Zzz must keep its case */
  margin-left: var(--u);
}
#agent-face.offline { color: var(--danger); }
#chat-head .label {
  font-family: var(--mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
}
#chat-head button { padding: calc(var(--u) / 2) var(--u); }

#chat-log {
  flex: 1;
  overflow-y: auto;
  padding-top: calc(var(--u) * 2);
  padding-bottom: calc(var(--u) * 2);
}
.chat-msg { padding: calc(var(--u) * 2) 0; }
.chat-msg .role {
  font-family: var(--retro);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--dim);
  margin-bottom: calc(var(--u) / 2);
}
.chat-msg.user .role { color: var(--accent); }
.chat-msg .text { font-family: var(--retro); font-size: 16px; line-height: calc(var(--u) * 2.5); white-space: pre-wrap; }
.chat-msg .text .tool-line { color: var(--dim); font-size: 13px; }
.chat-img {
  display: block;
  max-width: 100%;
  margin: var(--u) 0;
}
.chat-img:hover { filter: brightness(1.08); }
.chat-video, .chat-audio { display: block; max-width: 100%; margin: var(--u) 0; }
.budget-row { display: flex; gap: var(--gutter); }
.budget-row label { flex: 1; }

/* ---- generation cost-approval card (in the chat) ---- */
.gen-card {
  border: 1px solid var(--accent);
  background: var(--bg);
  padding: calc(var(--u) * 2);
  margin: var(--u) 0;
  font-size: 13px;
}
.gen-card-head { margin-bottom: var(--u); font-family: var(--mono); letter-spacing: .3px; }
.gen-steps { display: flex; flex-direction: column; gap: 4px; margin-bottom: calc(var(--u) * 2); }
.gen-step { display: flex; gap: var(--u); align-items: baseline; }
.gen-step .gen-kind {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase;
  letter-spacing: 1px; color: var(--accent); min-width: 44px;
}
.gen-step .gen-prompt { flex: 1; color: var(--fg); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gen-step .gen-est { color: var(--dim); font-family: var(--mono); }
.gen-card-actions { display: flex; justify-content: flex-end; gap: var(--u); }
.gen-card-actions button { padding: 4px 12px; }

/* ---- build approval card (plan → estimate → approve) ---- */
.build-card .build-approach { margin-bottom: calc(var(--u) * 2); color: var(--fg); }
.build-card .build-risk { font-family: var(--mono); }
.build-card .risk-low { color: var(--accent-2, var(--accent)); }
.build-card .risk-medium { color: var(--accent); }
.build-card .risk-high, .build-card .risk-unknown { color: var(--danger); }
.build-card .build-tier {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 12px;
  padding: 4px;
}

/* ---- game-ready card (in the chat, after a successful build) ---- */
.play-card .play-card-body { margin-bottom: calc(var(--u) * 2); font-size: 13px; }
.play-card .play-link {
  display: inline-block;
  padding: var(--u) calc(var(--u) * 2);
  background: var(--accent);
  color: var(--accent-fg);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
}
.play-card .play-link:hover { filter: brightness(1.1); }

/* ---- Generations pane (produced media + running spend) ---- */
#asset-spend, #gen-spend { font-family: var(--mono); font-size: 12px; letter-spacing: .5px; }

#gen-board {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding: calc(var(--u) * 2) var(--margin) calc(var(--u) * 3) var(--stage-pad);
}
.gen-empty { padding: calc(var(--u) * 2) 0; font-size: 14px; }
.gen-batch { margin-bottom: calc(var(--u) * 4); }
.gen-batch-head {
  display: flex;
  align-items: baseline;
  gap: calc(var(--u) * 2);
  padding: var(--u) 0;
}
.gen-batch-head .gb-label { font-family: var(--retro); font-size: 18px; }
.gen-batch-head .gb-meta { font-family: var(--mono); font-size: 11px; }
.gen-batch-grid {
  display: grid;
  gap: var(--gutter);
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  align-content: start;
}
.gen-item {
  background: var(--surface-2);   /* borderless: tone, not rules */
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.gen-item.discarded { opacity: .55; }
.gen-item .gi-media {
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--bg);
}
.gen-item .gi-media img, .gen-item .gi-media video { width: 100%; height: 100%; object-fit: cover; }
.gen-item .gi-media audio { width: 90%; }
.gen-item .gi-status { font-family: var(--mono); font-size: 12px; color: var(--dim); padding: var(--u); text-align: center; }
.gen-item.running .gi-status { color: var(--accent-2); animation: ac-pulse 1.2s ease-in-out infinite; }
.gen-item.failed .gi-status { color: var(--danger); }
.gen-item .gi-meta {
  display: flex;
  justify-content: space-between;
  gap: var(--u);
  padding: var(--u);
  font-size: 12px;
}
.gen-item .gi-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gen-item .gi-cost { font-family: var(--mono); font-size: 11px; flex-shrink: 0; }
.gen-item .gi-actions { display: flex; gap: var(--u); padding: 0 var(--u) var(--u); }
.gen-item .gi-actions button { font-size: 12px; padding: 2px var(--u); }

#chat-form {
  position: relative;   /* anchors the slash-command menu */
  display: flex;
  flex-direction: column;   /* message field on top, control bar below */
  gap: var(--u);
  padding-top: calc(var(--u) * 2);
  padding-bottom: calc(var(--u) * 2);
}
#chat-bar {
  display: flex;
  align-items: center;
  gap: var(--u);
}
#chat-attach {
  cursor: pointer;
  color: var(--dim);
  font-size: 14px;
  padding: 2px var(--u);
  filter: grayscale(1);   /* keep the glyph in theme, not emoji-colored */
}
#chat-attach:hover { color: var(--fg); filter: none; }

/* ---- slash-command menu (above the input) ---- */
#slash-menu {
  position: absolute;
  bottom: calc(100% - var(--u));
  left: max(calc((100% - var(--chat-measure)) / 2), calc(var(--u) * 3));
  right: max(calc((100% - var(--chat-measure)) / 2), calc(var(--u) * 3));
  background: var(--surface-2);   /* borderless: tone, not rules */
  padding: var(--u) 0;
  z-index: 5;
  max-height: 40vh;
  overflow-y: auto;
}
#slash-menu[hidden] { display: none; }
.slash-row {
  display: flex;
  gap: calc(var(--u) * 2);
  align-items: baseline;
  padding: calc(var(--u) / 2) calc(var(--u) * 2);
  cursor: pointer;
}
.slash-row.sel, .slash-row:hover { background: var(--surface); }
.slash-row .slash-cmd { font-family: var(--mono); font-size: 13px; white-space: nowrap; }
.slash-row.sel .slash-cmd { color: var(--accent); }
.slash-row .slash-desc { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
#chat-form textarea {
  flex: 1;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid transparent;
  padding: var(--u);
  font-family: var(--retro);
  font-size: 16px;
  line-height: calc(var(--u) * 2.5);
  resize: none;
  outline: none;
}
#chat-form textarea:focus { border-color: var(--accent); }

/* plan/build mode toggle: dim mono chip, accent when planning */
#chat-mode {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 1px;
  color: var(--dim);
  border: 1px solid var(--border);
  background: transparent;
}
#chat-mode.plan { color: var(--accent); border-color: var(--accent); }

/* ---- history dialog ---- */
#history-dialog { width: min(860px, 94vw); }
#history-file {
  font-family: var(--retro);
  font-size: 14px;
  letter-spacing: 1px;
  margin-bottom: calc(var(--u) * 2);
}
#history-body {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  column-gap: var(--gutter);
  height: min(420px, 55vh);
}
#history-list { overflow-y: auto; }
.history-item {
  padding: var(--u) 0;
  cursor: pointer;
  font-size: 15px;
}
.history-item:hover .msg, .history-item.active .msg { color: var(--fg); }
.history-item.active .when { color: var(--accent); }
.history-item .when {
  display: block;
  font-family: var(--retro);
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--dim);
}
.history-item .msg { color: var(--dim); }
#history-preview {
  overflow: auto;
  padding-top: var(--u);
  font-family: var(--retro);
  font-size: 15px;
  line-height: calc(var(--u) * 2.5);
  white-space: pre-wrap;
  margin: 0;
}

/* ---- dialog ---- */
dialog {
  background: var(--surface);
  color: var(--fg);
  border: none;
  border-top: 2px solid var(--accent); /* the one rule kept: dialog identity */
  box-shadow: 0 8px 40px rgba(0, 0, 0, .5);
  border-radius: 0;
  padding: calc(var(--u) * 4);
  width: min(520px, 90vw);
  /* the global margin:0 reset kills the UA's auto-centering — restore it */
  margin: auto;
  height: fit-content;
  max-height: 90vh;
  resize: both;
  overflow: auto;
}
dialog h2 { cursor: move; user-select: none; }
dialog::backdrop { background: rgba(0,0,0,.55); }
dialog h2 {
  margin-bottom: calc(var(--u) * 3);
  font-family: var(--retro);
  font-size: 28px;
  font-weight: 400;
}
dialog label {
  display: block;
  font-size: 11px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--dim);
  margin-bottom: calc(var(--u) * 2);
}
dialog input, dialog select, dialog textarea {
  display: block;
  width: 100%;
  margin-top: var(--u);
  background: var(--bg);
  color: var(--fg);
  border: 1px solid transparent;
  border-radius: 0;
  padding: var(--u) calc(var(--u) * 1.5);
  font-size: 16px;
  font-family: var(--retro);
  letter-spacing: normal;
  text-transform: none;
}
dialog input:focus, dialog select:focus, dialog textarea:focus {
  outline: none;
  border-color: var(--accent);
}
dialog label button {
  display: block;
  width: 100%;
  margin-top: var(--u);
  text-align: left;
  background: var(--bg);
  border: 1px solid transparent;
}
dialog label button:hover { border-color: var(--accent); }
dialog textarea { font-family: var(--retro); font-size: 16px; line-height: calc(var(--u) * 2.5); }
dialog menu { display: flex; justify-content: flex-end; gap: calc(var(--u) * 1.5); padding: 0; margin-top: calc(var(--u) * 3); }

/* dialogs fade in, and flicker out (CRT off) on close — see state.js close patch */
dialog[open] { animation: dlg-in 0.12s ease-out; }
dialog[open]::backdrop { animation: dlg-backdrop-in 0.12s ease-out; }
dialog.closing, dialog.closing::backdrop { animation: dlg-flicker 0.16s linear forwards; }
@keyframes dlg-in { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
@keyframes dlg-backdrop-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes dlg-flicker {
  0% { opacity: 1; } 25% { opacity: .15; } 45% { opacity: .8; }
  65% { opacity: .1; } 80% { opacity: .45; } 100% { opacity: 0; }
}
#sys-dialog { width: min(420px, 90vw); resize: none; }
#sys-dialog p { white-space: pre-wrap; font-size: 16px; line-height: calc(var(--u) * 2.5); margin-bottom: calc(var(--u) * 2); }

/* ---- archive affordances (nothing is deleted, only archived) ---- */
.card.archived { opacity: .6; }
.card.archived:hover { opacity: 1; }
.nav-item.archived { opacity: .5; font-style: italic; }
.nav-item.archived:hover { opacity: .85; color: var(--accent); }
#asset-grid.archived-view .asset-card, #board-cols.archived-view .board-card { opacity: .72; }
#asset-grid.archived-view .asset-card:hover, #board-cols.archived-view .board-card:hover { opacity: 1; }
#dash-archived-bar {
  cursor: pointer;
  margin-top: calc(var(--u) * 5);
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 12px;
}
#dash-archived-bar:hover { color: var(--accent); }
button.ghost { color: var(--dim); }
button.ghost:hover { color: var(--accent); }

/* ---- in-app play dialog ---- */
#play-dialog {
  width: min(1100px, 94vw);
  max-width: 94vw;
  padding: 0;
  resize: none;
  overflow: hidden;
}
#play-dialog .play-bar {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 1.5);
  padding: var(--u) calc(var(--u) * 2);
  border-bottom: 1px solid var(--bg);
}
#play-dialog .play-bar h2 { margin: 0; font-size: 18px; }
#play-newtab { text-decoration: none; }
#play-frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  max-height: 78vh;
  border: 0;
  background: #000;
}

.nav-group-label.static { cursor: default; }
.nav-group-label.static::after { content: ""; }

/* ---- background-run activity card + FAB badge (progress.py mirror) ---- */
#chat-head #chat-sound.muted { color: var(--dim); }

#activity-card {
  flex: none;
  background: var(--surface-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-left: 2px solid var(--border);
  padding: calc(var(--u) * 1.5) calc(var(--u) * 3);
  font-family: var(--mono);
}
#activity-card[hidden] { display: none; }
#activity-card.running { border-left-color: var(--accent-2); }
#activity-card.ok { border-left-color: var(--accent-2); }
#activity-card.failed { border-left-color: var(--danger); }

#activity-card .ac-head {
  display: flex;
  align-items: baseline;
  gap: var(--u);
}
#activity-card .ac-title {
  font-size: 12px;
  letter-spacing: 1px;
  color: var(--fg);
  flex: 1;
}
#activity-card.running .ac-title { color: var(--accent-2); }
#activity-card.ok .ac-title { color: var(--accent-2); }
#activity-card.failed .ac-title { color: var(--danger); }
#activity-card .ac-count { font-size: 12px; color: var(--dim); }
#activity-card .ac-dismiss {
  padding: 0 calc(var(--u) / 2);
  color: var(--dim);
  line-height: 1;
}
#activity-card .ac-current {
  font-size: 12px;
  color: var(--dim);
  margin-top: calc(var(--u) / 2);
  min-height: 14px;
}
#activity-card .ac-steps { margin-top: var(--u); }
#activity-card .ac-step {
  display: flex;
  gap: var(--u);
  font-size: 13px;
  line-height: 1.7;
  color: var(--dim);
}
#activity-card .ac-step .ac-mark { width: 12px; text-align: center; }
#activity-card .ac-step.done { color: var(--fg); }
#activity-card .ac-step.done .ac-mark,
#activity-card .ac-step.active .ac-mark { color: var(--accent-2); }
#activity-card .ac-step.active { color: var(--fg); }
#activity-card .ac-step.active .ac-label { animation: ac-pulse 1.2s ease-in-out infinite; }
#activity-card .ac-step.error,
#activity-card .ac-step.error .ac-mark { color: var(--danger); }
#activity-card .ac-step.skipped { color: var(--dim); opacity: .7; }
@keyframes ac-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .55; } }

/* ---- live tool chips: first-class tool activity in the chat stream ---- */
.tool-chip {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--dim);
  padding: 2px 0;
}
.tool-chip .chip-mark { display: inline-block; width: 14px; }
.tool-chip.running .chip-mark { color: var(--accent-2); animation: ac-pulse 1.2s ease-in-out infinite; }
.tool-chip.ok .chip-mark { color: var(--accent-2); }
.tool-chip.fail { color: var(--danger); }
.tool-chip .chip-label { opacity: .8; margin-left: calc(var(--u) / 2); }
.chat-error { color: var(--danger); font-size: 13px; padding: var(--u) 0; }
.chat-error button { margin-left: var(--u); padding: 0 var(--u); font-size: 12px; }

/* ---- kanban completion feedback ---- */
.board-card.just-done { animation: card-done .85s ease-out; }
@keyframes card-done {
  0%   { background: color-mix(in srgb, var(--accent-2) 30%, transparent); box-shadow: -3px 0 0 var(--accent-2); }
  100% { background: transparent; box-shadow: -3px 0 0 transparent; }
}
.board-col.cleared h3 { animation: col-cleared 1.3s ease-out; }
@keyframes col-cleared {
  0%, 100% { color: var(--dim); }
  25%      { color: var(--accent-2); }
}

/* flow meter — judge-pick vs developer-pick agreement */
#wiki-preview .flow-head { margin-bottom: calc(var(--u) * 3); font-size: 12px; max-width: 60ch; }
.flow-row {
  display: grid;
  grid-template-columns: 140px 1fr 52px;
  grid-template-areas: "dept spark rate" "meta meta meta";
  align-items: center;
  column-gap: calc(var(--u) * 2);
  padding: calc(var(--u) * 1.5) calc(var(--u) * 1.5) calc(var(--u) * 1.5) 0;
}
.flow-row:nth-child(even) { background: var(--surface-2); }  /* borderless: tone, not rules */
.flow-dept { grid-area: dept; font-size: 13px; }
.flow-spark { grid-area: spark; display: flex; gap: 2px; align-items: center; }
.flow-tick { width: 6px; height: 16px; background: var(--surface-2); }
.flow-tick.hit { background: var(--accent); }
.flow-tick.miss { background: var(--surface-2); opacity: 0.6; }
.flow-rate { grid-area: rate; font-family: var(--mono); font-size: 15px; color: var(--accent); text-align: right; }
.flow-meta { grid-area: meta; font-size: 11px; margin-top: calc(var(--u) * 0.5); }

/* anticipation — taste-flag strip after a draft lands (borderless: accent bar + tone) */
#taste-flags {
  margin: var(--u) 0 calc(var(--u) * 2);
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
  padding: calc(var(--u) * 1.5) calc(var(--u) * 2);
  font-family: var(--retro);
  font-size: 16px;
}
#taste-flags .tf-head { display: flex; align-items: center; gap: var(--u); margin-bottom: var(--u); color: var(--fg); }
#taste-flags .tf-head.dim { color: var(--dim); }
#taste-flags .tf-dismiss { margin-left: auto; padding: 0 var(--u); font-size: 15px; }
#taste-flags .tf-list { margin: 0; padding-left: calc(var(--u) * 2.5); }
#taste-flags .tf-list li { margin: calc(var(--u) * 0.5) 0; line-height: 1.5; }

/* ==== /btw side-conversation drawer (drawer decides) ==== */
#btw-panel {
  position: fixed; top: 0; right: 0; bottom: 0;
  width: 420px; max-width: 92vw;
  display: flex; flex-direction: column;
  background: var(--bg); border-left: 1px solid var(--border);
  z-index: 70;
}
#btw-panel[hidden] { display: none; }
#btw-head {
  display: flex; align-items: center; gap: var(--u);
  padding: var(--u) calc(var(--u) * 2);
  border-bottom: 1px solid var(--border);
  font-family: var(--retro); font-size: 13px; letter-spacing: 2px;
  color: var(--dim);
}
#btw-head button {
  background: none; border: 1px solid var(--border); color: var(--dim);
  cursor: pointer; padding: 0 6px;
}
#btw-list {
  flex: 1; min-height: 0; overflow-y: auto;
  padding: calc(var(--u) * 2);
  display: flex; flex-direction: column; gap: calc(var(--u) * 2);
}
.btw-empty { font-size: 13px; line-height: 1.5; }
.btw-entry {
  border: 1px solid var(--border); padding: calc(var(--u) * 1.5);
  display: flex; flex-direction: column; gap: var(--u);
}
.btw-note { font-size: 12px; }
.btw-answer { font-family: var(--retro); font-size: 14px; line-height: 1.5; white-space: pre-wrap; }
.btw-actions { display: flex; gap: var(--u); }
.btw-actions button {
  background: none; border: 1px solid var(--border); color: var(--dim);
  font-size: 12px; padding: 2px 10px; cursor: pointer;
}
.btw-actions button:hover:not(:disabled) { color: var(--accent); border-color: var(--accent); }
.btw-actions button:disabled { opacity: 0.5; cursor: default; }

/* injected /btw asides render as dimmed margin notes in the transcript */
.chat-msg.aside { opacity: 0.55; }
.chat-msg.aside .text { font-size: 13px; }

/* fork-from-here button — appears on message hover */
.chat-msg { position: relative; }
.chat-msg .msg-fork {
  position: absolute; top: calc(var(--u) * 1.5); right: 0;
  opacity: 0; font-size: 13px; padding: 1px 6px;
  background: none; border: 1px solid var(--border); color: var(--dim); cursor: pointer;
}
.chat-msg:hover .msg-fork { opacity: 0.6; }
.chat-msg .msg-fork:hover { opacity: 1; color: var(--accent); }