/* ============================================================
 * Intelligence — disciplined research workspace
 * Design language matched to the public Digest:
 *   pure black ground · Manrope body · Archivo display
 *   8px max radius · single restrained accent · no glow
 * ============================================================ */

:root {
  /* Surfaces */
  --bg:           #000000;
  --bg-1:         #08080a;
  --bg-2:         #0a0a0c;
  --bg-3:         #0f0f12;
  --bg-4:         #15151a;
  --bg-elev:      #111115;

  /* Text */
  --text:         #ffffff;
  --text-2:       #b4b4bc;
  --text-3:       #8a8a93;
  --text-4:       #6f6f78;
  --text-5:       #4a4a52;
  --text-inv:     #000000;

  /* Hairlines */
  --hair:         #1d1d22;
  --hair-2:       #232328;
  --hair-3:       #2a2a2f;
  --hair-4:       #3a3a40;

  /* Accents — restrained */
  --signal:       #00ff41;          /* the single live colour, matches Digest positive */
  --signal-dim:   rgba(0, 255, 65, 0.14);
  --signal-edge:  rgba(0, 255, 65, 0.35);
  --warn:         #ffb547;
  --bad:          #ff4d4d;
  --neutral:      #8a8a93;

  /* Typography */
  --display:      'Archivo', 'Arial Narrow', sans-serif;
  --body:         'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono:         'JetBrains Mono', 'SF Mono', Menlo, monospace;

  /* Geometry */
  --r:            6px;
  --r-2:          8px;
  --bar-h:        56px;
  --shell-w:      1320px;

  /* Safe areas */
  --safe-top:     env(safe-area-inset-top, 0px);
  --safe-bottom:  env(safe-area-inset-bottom, 0px);
}

/* Light theme — kept as a real first-class option, restrained paper feel */
[data-theme="light"] {
  --bg:           #f6f6f7;
  --bg-1:         #fafafb;
  --bg-2:         #ffffff;
  --bg-3:         #f1f1f3;
  --bg-4:         #e8e8eb;
  --bg-elev:      #ffffff;

  --text:         #0a0a0c;
  --text-2:       #3a3a40;
  --text-3:       #6f6f78;
  --text-4:       #8a8a93;
  --text-5:       #b4b4bc;
  --text-inv:     #ffffff;

  --hair:         #e6e6e9;
  --hair-2:       #d8d8dd;
  --hair-3:       #c8c8cf;
  --hair-4:       #a5a5ad;

  --signal:       #008f24;
  --signal-dim:   rgba(0, 143, 36, 0.10);
  --signal-edge:  rgba(0, 143, 36, 0.30);
}

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

html { background: var(--bg); overflow-x: hidden; }

body.shell-body,
body.watch-body,
body.digest-page {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 var(--body);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-tap-highlight-color: transparent;
  padding-top: var(--safe-top);
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  font-feature-settings: "ss01", "cv11";
  overflow-x: hidden;
}

html:has(body.research-page) {
  font-size: 14px;
}

body.research-page {
  font: 13px/1.6 var(--body);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: transparent; color: inherit; border: 0; padding: 0; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; color: var(--text); font-family: var(--display); font-weight: 600; letter-spacing: -0.01em; line-height: 1.15; }
p { margin: 0; color: var(--text-2); }
ul, ol { margin: 0; padding: 0; list-style: none; }
input, select, textarea { font: inherit; color: inherit; }

/* ============================================================
 * App bar
 * ============================================================ */

.app-bar {
  position: sticky;
  top: var(--safe-top);
  z-index: 200;
  background: rgba(0, 0, 0, 0.92);
  border-bottom: 1px solid var(--hair-3);
}
[data-theme="light"] .app-bar { background: rgba(255, 255, 255, 0.92); }

.app-bar-inner {
  max-width: var(--shell-w);
  margin: 0 auto;
  height: var(--bar-h);
  padding: 0 22px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}

.app-brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  color: var(--text);
}

.app-brand-name {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.96rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.app-brand-mark {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  color: var(--text-4);
  text-transform: uppercase;
}

.app-nav {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  justify-self: center;
}

.app-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  color: var(--text-3);
  font: 600 0.74rem/1 var(--display);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  transition: color 140ms ease;
}

.app-nav a:hover { color: var(--text); }

.app-nav a.is-active { color: var(--text); }

.app-nav a.is-active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -1px;
  height: 1px;
  background: var(--text);
}

.app-nav .lock {
  font-family: var(--mono);
  font-size: 0.56rem;
  letter-spacing: 0.10em;
  color: var(--text-4);
}

.app-utility {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.utility-link {
  color: var(--text-3);
  font: 600 0.7rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  transition: color 140ms ease;
}
.utility-link:hover { color: var(--text); }
.utility-link.utility-strong { color: var(--text); }

.theme-toggle {
  color: var(--text-3);
  font: 600 0.7rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.theme-toggle:hover { color: var(--text); }
.theme-icon { display: none; vertical-align: middle; }
[data-theme="dark"] .theme-icon-moon,
:root:not([data-theme="light"]) .theme-icon-moon { display: inline-block; }
[data-theme="light"] .theme-icon-sun { display: inline-block; }

/* ============================================================
 * Mobile bottom bar (replaces the previous frosted dock)
 * ============================================================ */

.app-bottom {
  display: none;
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  z-index: 300;
  background: rgba(0, 0, 0, 0.96);
  border-top: 1px solid var(--hair-3);
  padding-bottom: var(--safe-bottom);
}
[data-theme="light"] .app-bottom { background: rgba(255, 255, 255, 0.96); }

.app-bottom-inner {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  max-width: 560px;
  margin: 0 auto;
}

.app-bottom a {
  display: grid;
  place-items: center;
  height: 52px;
  gap: 2px;
  color: var(--text-3);
  font: 600 0.6rem/1 var(--display);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 140ms ease;
}

.app-bottom a.is-active {
  color: var(--text);
  box-shadow: inset 0 1px 0 var(--text);
}

@media (max-width: 760px) {
  .app-nav { display: none; }
  .app-bottom { display: block; }
  main.page-shell { padding-bottom: calc(72px + var(--safe-bottom)); }
  .app-bar-inner { padding: 0 14px; gap: 12px; }
  .app-brand-mark { display: none; }
  .app-utility { gap: 10px; }
}

html.is-standalone .app-bar { display: none; }
html.is-standalone .app-bottom { display: block; }
html.is-standalone main.page-shell { padding-top: 14px; padding-bottom: calc(72px + var(--safe-bottom)); }

/* ============================================================
 * Page shell
 * ============================================================ */

.page-shell {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 24px 22px 60px;
}

@media (max-width: 760px) {
  .page-shell { padding: 18px 16px 40px; }
}

/* ============================================================
 * Page header — replaces the old hero block
 * ============================================================ */

.page-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--hair-2);
  margin-bottom: 20px;
}

.page-head-title {
  font: 700 1.24rem/1 var(--display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.page-head-meta {
  display: inline-flex;
  align-items: baseline;
  gap: 16px;
  color: var(--text-3);
  font: 500 0.74rem/1 var(--mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.page-head-meta strong { color: var(--text); font-weight: 700; }

/* Sub-nav for tools (research) */
.tool-bar {
  display: inline-flex;
  align-items: center;
  gap: 0;
  border: 1px solid var(--hair-3);
  border-radius: var(--r);
  background: var(--bg-2);
  overflow: hidden;
}

.tool-bar a {
  display: inline-flex;
  align-items: center;
  height: 34px;
  padding: 0 14px;
  color: var(--text-3);
  font: 600 0.72rem/1 var(--display);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  border-right: 1px solid var(--hair-2);
  transition: color 140ms ease, background-color 140ms ease;
}

.tool-bar a:last-child { border-right: 0; }
.tool-bar a:hover { color: var(--text); background: var(--bg-3); }
.tool-bar a.is-active { color: var(--text); background: var(--bg-3); box-shadow: inset 0 -2px 0 var(--signal); }

/* ============================================================
 * Generic surfaces
 * ============================================================ */

.panel {
  border: 1px solid var(--hair-3);
  border-radius: var(--r-2);
  background: var(--bg-2);
}

.panel-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--hair-2);
}

.panel-hd h2,
.panel-hd .panel-title {
  font: 700 0.74rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text);
}

.panel-bd { padding: 16px; }
.panel-bd.flush { padding: 0; }
.panel-bd.tight { padding: 10px 12px; }

/* Empty / placeholder */
.empty {
  padding: 28px 16px;
  text-align: center;
  color: var(--text-3);
  font: 400 0.92rem/1.55 var(--body);
}

/* Inline label */
.kicker {
  font: 700 0.7rem/1 var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
}

/* ============================================================
 * Inputs and buttons
 * ============================================================ */

.input, .textarea, .select {
  width: 100%;
  appearance: none;
  background: var(--bg-1);
  color: var(--text);
  border: 1px solid var(--hair-3);
  border-radius: var(--r);
  font: 400 0.94rem/1.5 var(--body);
  transition: border-color 140ms ease;
}

.input { height: 40px; padding: 0 12px; }
.select { height: 40px; padding: 0 32px 0 12px; background-image: linear-gradient(45deg, transparent 50%, var(--text-3) 50%), linear-gradient(135deg, var(--text-3) 50%, transparent 50%); background-position: calc(100% - 16px) 50%, calc(100% - 11px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.textarea { padding: 12px 14px; min-height: 88px; resize: vertical; }

.input:focus, .textarea:focus, .select:focus { outline: none; border-color: var(--text-4); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 36px;
  padding: 0 14px;
  border-radius: var(--r);
  background: var(--bg-3);
  color: var(--text);
  border: 1px solid var(--hair-3);
  font: 600 0.78rem/1 var(--display);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  transition: border-color 140ms ease, background-color 140ms ease, color 140ms ease;
  white-space: nowrap;
}

.btn:hover { border-color: var(--hair-4); background: var(--bg-4); }
.btn:active { transform: translateY(1px); }

.btn.btn-primary {
  background: var(--text);
  color: var(--text-inv);
  border-color: var(--text);
}
.btn.btn-primary:hover { background: var(--bg-4); color: var(--text); border-color: var(--text); }

.btn.btn-ghost { background: transparent; }
.btn.btn-ghost:hover { background: var(--bg-3); }

.btn.btn-link {
  height: auto;
  padding: 0;
  background: transparent;
  border: 0;
  color: var(--text-2);
  text-transform: uppercase;
  letter-spacing: 0.10em;
}
.btn.btn-link:hover { color: var(--text); border: 0; background: transparent; }

.btn.btn-tiny { height: 28px; padding: 0 10px; font-size: 0.68rem; }

/* ============================================================
 * Chips / status
 * ============================================================ */

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 20px;
  padding: 0 8px;
  border: 1px solid var(--hair-3);
  border-radius: 3px;
  background: var(--bg-1);
  color: var(--text-2);
  font: 700 0.62rem/1 var(--mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.chip.is-pending  { color: var(--warn);   border-color: rgba(255,181,71,0.35); }
.chip.is-processing { color: var(--signal); border-color: var(--signal-edge); }
.chip.is-complete { color: var(--signal); border-color: var(--signal-edge); }
.chip.is-failed   { color: var(--bad);    border-color: rgba(255,77,77,0.35); }

/* ============================================================
 * Vault — tree-first
 * ============================================================ */

.vault-top {
  position: static;
  z-index: 30;
  background: var(--bg);
  border-bottom: 1px solid var(--hair-2);
  padding: 14px 0;
  margin-bottom: 14px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
}

.vault-search-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.vault-meta-row {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: var(--text-3);
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.vault-meta-row strong { color: var(--text); font-weight: 700; }
.vault-meta-row a { color: var(--text-2); border-bottom: 1px dotted var(--hair-3); }
.vault-meta-row a:hover { color: var(--text); border-bottom-color: var(--text); }

.vault-tree-card {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
  max-height: calc(100dvh - var(--bar-h) - var(--safe-top) - 170px);
  min-height: 0;
  overflow: hidden;
}

.vault-tree {
  padding: 6px 8px;
}

.vault-page .vault-tree {
  max-height: inherit;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
}

.vault-folder { padding: 0; }
.vault-folder + .vault-folder { margin-top: 0; }

.vault-folder-summary {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: var(--r);
  list-style: none;
  user-select: none;
  color: var(--text-2);
  cursor: pointer;
}

.vault-folder-summary::-webkit-details-marker { display: none; }
.vault-folder-summary::marker { display: none; }
.vault-folder-summary:hover { background: var(--bg-3); color: var(--text); }

.folder-chevron {
  color: var(--text-4);
  flex-shrink: 0;
  transition: transform 160ms ease;
}
.vault-folder[open] > .vault-folder-summary .folder-chevron { transform: rotate(90deg); }
.vault-folder[open] > .vault-folder-summary { color: var(--text); }

.vault-folder-name {
  flex: 1;
  min-width: 0;
  font: 600 0.86rem/1.3 var(--body);
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.vault-folder-count {
  font: 600 0.66rem/1 var(--mono);
  letter-spacing: 0.06em;
  color: var(--text-4);
  font-variant-numeric: tabular-nums;
}

.vault-folder-body {
  margin: 0 0 2px 12px;
  padding-left: 10px;
  border-left: 1px solid var(--hair-2);
}

.vault-file-list { display: grid; gap: 0; }

.vault-file-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: var(--r);
  color: var(--text-2);
  font: 500 0.86rem/1.3 var(--body);
  transition: background-color 120ms ease, color 120ms ease;
  min-width: 0;
}

.vault-file-link:hover { background: var(--bg-3); color: var(--text); }
.vault-file-link.is-active { background: var(--bg-3); color: var(--text); box-shadow: inset 2px 0 0 var(--signal); }

.vault-file-name {
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Vault note reader */
.vault-note {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.vault-note-aside {
  position: sticky;
  top: calc(var(--bar-h) + 24px + var(--safe-top));
  align-self: start;
  max-height: calc(100vh - var(--bar-h) - 60px);
  min-height: 0;
  overflow: hidden;
  display: grid;
  grid-template-rows: auto 1fr;
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
}

.vault-note-aside-search {
  padding: 10px;
  border-bottom: 1px solid var(--hair-2);
}

.vault-note-aside-search .input { height: 34px; font-size: 0.84rem; background: var(--bg-1); }

.vault-tree--scroll { min-height: 0; overflow-y: auto; padding: 4px 6px; }

.vault-note-body {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
  padding: 28px 32px 40px;
  min-width: 0;
}

.vault-note-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.vault-note-back {
  display: inline-block;
  color: var(--text-3);
  font: 600 0.7rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.vault-note-back:hover { color: var(--text); }

.vault-note-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.vault-delete-form { margin: 0; }
.btn-danger { color: var(--bad); border-color: rgba(255,77,77,0.28); }
.btn-danger:hover { border-color: rgba(255,77,77,0.45); background: rgba(255,77,77,0.08); }

.vault-note-title {
  font: 600 1.7rem/1.2 var(--display);
  letter-spacing: -0.012em;
  color: var(--text);
  margin: 0 0 6px;
}

.vault-note-meta {
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: 0.10em;
  color: var(--text-4);
  margin-bottom: 22px;
}

.vault-edit-form {
  display: grid;
  gap: 12px;
}

.vault-edit-textarea {
  width: 100%;
  min-height: min(68vh, 920px);
  padding: 18px 20px;
  border: 1px solid var(--hair-2);
  border-radius: var(--r);
  background: var(--bg-1);
  color: var(--text);
  font: 500 0.92rem/1.65 var(--mono);
  resize: vertical;
  outline: none;
}

.vault-edit-textarea:focus {
  border-color: var(--hair-4);
  background: var(--bg);
}

.vault-edit-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--text-4);
  font: 500 0.72rem/1.35 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Reading prose */
.prose {
  font: 400 1.02rem/1.7 var(--body);
  color: var(--text);
  max-width: 70ch;
}

.prose p { color: inherit; margin: 0 0 1em; }
.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--display);
  letter-spacing: -0.005em;
  margin: 1.6em 0 0.5em;
}
.prose h2 { font-size: 1.32rem; }
.prose h3 { font-size: 1.10rem; }
.prose a  { color: var(--text); border-bottom: 1px solid var(--hair-4); }
.prose a:hover { border-bottom-color: var(--signal); color: var(--text); }
.prose code { font-family: var(--mono); font-size: 0.9em; padding: 1px 6px; border-radius: 4px; background: var(--bg-3); color: var(--text); }
.prose pre { font-family: var(--mono); padding: 14px 16px; border-radius: var(--r); background: var(--bg-3); border: 1px solid var(--hair-2); overflow-x: auto; font-size: 0.86rem; }
.prose blockquote { border-left: 2px solid var(--hair-4); padding-left: 16px; margin: 1.2em 0; color: var(--text-2); }
.prose ul, .prose ol { padding-left: 1.4em; margin: 0 0 1em; }
.prose ul { list-style: disc; }
.prose ol { list-style: decimal; }
.prose li { margin: 0.25em 0; color: var(--text); }
.prose mjx-container {
  max-width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  color: var(--text);
}
.prose mjx-container[display="true"] {
  margin: 1.35em 0;
  padding: 4px 0;
}

/* Vault Ask */
.ask-grid { display: grid; gap: 14px; }

.ask-compose {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
  padding: 14px;
}

.ask-compose form { display: grid; gap: 10px; }
.ask-compose .textarea { background: var(--bg-1); min-height: 96px; }

.ask-compose-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-4);
  font: 500 0.72rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.ask-answer {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
}

.ask-answer-bd { padding: 22px 24px 24px; }

.ask-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 14px 24px;
  border-top: 1px solid var(--hair-2);
}

.ask-source {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 8px;
  border: 1px solid var(--hair-3);
  border-radius: 3px;
  background: var(--bg-1);
  color: var(--text-2);
  font: 600 0.66rem/1 var(--mono);
  letter-spacing: 0.06em;
}

/* ============================================================
 * Research workspace
 * ============================================================ */

.research-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 20px;
  align-items: start;
}

.research-main { display: grid; gap: 16px; min-width: 0; }
.research-side { display: grid; gap: 16px; align-self: start; }

@media (max-width: 1000px) {
  .research-grid { grid-template-columns: 1fr; }
}

/* Active topic */
.active-topic {
  position: relative;
  border: 1px solid var(--hair-3);
  border-radius: var(--r-2);
  background: var(--bg-2);
  padding: 16px 18px 14px;
}

.active-topic-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-3);
  font: 700 0.7rem/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.active-topic-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-4);
}

.active-topic-status.is-pending::before    { background: var(--warn); }
.active-topic-status.is-processing::before { background: var(--signal); }
.active-topic-status.is-complete::before   { background: var(--signal); }
.active-topic-status.is-failed::before     { background: var(--bad); }

.active-topic-topic {
  font: 600 1.2rem/1.25 var(--display);
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 6px;
}

.active-topic-why {
  margin: 0 0 12px;
  color: var(--text-2);
  font: 400 0.86rem/1.5 var(--body);
  max-width: 64ch;
}

.active-topic-meta {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: var(--text-3);
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.10em;
  text-transform: uppercase;
  font-variant-numeric: tabular-nums;
}

.active-topic-actions {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
  margin-left: 10px;
}

.empty-topic {
  border: 1px dashed var(--hair-3);
  border-radius: var(--r-2);
  padding: 20px 22px;
  color: var(--text-3);
  font: 400 0.95rem/1.55 var(--body);
  display: grid;
  gap: 12px;
}

/* Composer */
.composer {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
}

.composer-hd {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--hair-2);
}

.composer-body { padding: 14px; display: grid; gap: 10px; }
.composer-body .textarea { background: var(--bg-1); min-height: 96px; }

.composer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--text-4);
  font: 500 0.7rem/1 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.composer-result {
  border-top: 1px solid var(--hair-2);
  padding: 18px 18px 22px;
}

.composer-result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--text-3);
  font: 700 0.7rem/1 var(--display);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Queue rows */
.row-list { display: grid; }
.row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  gap: 12px;
  align-items: center;
  padding: 11px 14px;
  border-top: 1px solid var(--hair-2);
}
.row:first-child { border-top: 0; }
.row-topic { font: 500 0.92rem/1.3 var(--body); color: var(--text); min-width: 0; }
.row-topic a { color: var(--text); border-bottom: 1px dotted var(--hair-4); }
.row-topic a:hover { border-bottom-color: var(--text); }
.row-meta  { font: 600 0.68rem/1 var(--mono); letter-spacing: 0.10em; color: var(--text-4); text-transform: uppercase; }

/* Recent briefings list */
.briefings-list { display: grid; }
.briefing-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  align-items: baseline;
  padding: 11px 14px;
  border-top: 1px solid var(--hair-2);
  color: var(--text);
  transition: background-color 120ms ease;
}
.briefing-row:first-child { border-top: 0; }
.briefing-row:hover { background: var(--bg-3); }
.briefing-row .t { font: 500 0.92rem/1.3 var(--body); min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.briefing-row .d { font: 600 0.68rem/1 var(--mono); letter-spacing: 0.10em; color: var(--text-4); text-transform: uppercase; font-variant-numeric: tabular-nums; }

/* Gap items */
.gap-list { display: grid; }
.gap {
  padding: 14px 16px;
  border-top: 1px solid var(--hair-2);
}
.gap:first-child { border-top: 0; }
.gap-title { font: 600 0.98rem/1.3 var(--body); color: var(--text); margin: 0 0 4px; }
.gap-why { color: var(--text-2); font: 400 0.9rem/1.55 var(--body); margin: 0; max-width: 70ch; }
.gap-foot {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-top: 10px;
  margin-top: 8px;
  border-top: 1px dashed var(--hair-2);
}
.gap-foot .label { font: 600 0.66rem/1 var(--mono); letter-spacing: 0.10em; text-transform: uppercase; color: var(--text-4); }
.gap-foot .suggestion { color: var(--text); font: 600 0.86rem/1 var(--body); }
.gap-foot form { margin-left: auto; }

/* Briefings reader */
.briefings-page {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

@media (max-width: 1000px) {
  .briefings-page { grid-template-columns: 1fr; }
}

.briefings-aside {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
  position: sticky;
  top: calc(var(--bar-h) + 24px + var(--safe-top));
  max-height: calc(100vh - var(--bar-h) - 60px);
  display: grid;
  grid-template-rows: auto 1fr;
}

.briefings-aside-hd {
  padding: 10px 14px;
  border-bottom: 1px solid var(--hair-2);
  color: var(--text-3);
  font: 700 0.7rem/1 var(--display);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.briefings-aside-list {
  overflow-y: auto;
  padding: 6px;
  display: grid;
  gap: 1px;
}

.briefings-aside-row {
  display: grid;
  gap: 4px;
  padding: 8px 10px;
  border-radius: var(--r);
  color: var(--text-2);
}
.briefings-aside-row:hover { background: var(--bg-3); color: var(--text); }
.briefings-aside-row.is-active { background: var(--bg-3); color: var(--text); box-shadow: inset 2px 0 0 var(--signal); }
.briefings-aside-row .t { font: 600 0.88rem/1.3 var(--body); }
.briefings-aside-row .d { font: 600 0.64rem/1 var(--mono); letter-spacing: 0.12em; color: var(--text-4); text-transform: uppercase; font-variant-numeric: tabular-nums; }

.briefings-main {
  border: 1px solid var(--hair-2);
  border-radius: var(--r-2);
  background: var(--bg-2);
  padding: 28px 32px 36px;
  min-width: 0;
}

.briefings-main h1 {
  font: 600 1.7rem/1.2 var(--display);
  letter-spacing: -0.012em;
  margin: 4px 0 6px;
}

.briefings-main-meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.briefings-audio {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 1px solid var(--hair-2);
  border-radius: var(--r);
  background: var(--bg-3);
  margin: 12px 0 20px;
}
.briefings-audio audio { width: 100%; }
.briefings-audio .label { font: 700 0.66rem/1 var(--mono); letter-spacing: 0.14em; color: var(--text-3); text-transform: uppercase; }

/* ============================================================
 * Flash messages
 * ============================================================ */

.flash-stack { display: grid; gap: 8px; margin-bottom: 16px; }
.flash {
  padding: 10px 12px;
  border: 1px solid var(--hair-3);
  border-radius: var(--r);
  background: var(--bg-2);
  color: var(--text);
  font: 500 0.86rem/1.45 var(--body);
}
.flash-error { border-color: rgba(255,77,77,0.30); color: var(--bad); }
.flash-success { border-color: var(--signal-edge); color: var(--signal); }

/* ============================================================
 * Responsive
 * ============================================================ */

@media (max-width: 1000px) {
  .vault-note { grid-template-columns: 1fr; }
  .vault-note-aside { position: static; max-height: none; }
  .briefings-aside { position: static; max-height: none; }
}

@media (max-width: 760px) {
  .composer-hd { flex-direction: column; align-items: stretch; gap: 10px; padding: 10px 12px; }
  .tool-bar { display: flex; width: 100%; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
  .tool-bar::-webkit-scrollbar { display: none; }
  .tool-bar a { flex-shrink: 0; }
  .active-topic-topic { font-size: 1.3rem; }
  .panel-hd, .composer-hd, .composer-foot, .ask-compose-foot { flex-wrap: wrap; }
  .row { grid-template-columns: auto minmax(0, 1fr) auto; gap: 8px; padding: 11px 12px; }
  .row > :nth-child(4) { grid-column: 1 / -1; justify-self: end; }
}

@media (max-width: 640px) {
  .page-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .vault-top { grid-template-columns: 1fr; position: static; }
  .vault-note-body { padding: 20px 18px 28px; }
  .vault-note-topline, .vault-edit-foot { align-items: flex-start; flex-direction: column; }
  .page-head-meta { flex-wrap: wrap; gap: 12px; }
}

/* Subtle scrollbars */
.vault-tree--scroll::-webkit-scrollbar,
.briefings-aside-list::-webkit-scrollbar { width: 6px; }
.vault-tree--scroll::-webkit-scrollbar-thumb,
.briefings-aside-list::-webkit-scrollbar-thumb { background: var(--hair-3); border-radius: 999px; }