:root{
    --bg: #1B1E1F;
    --surface: #232728;
    --surface-raised: #2B2F30;
    --shelf: #1F2223;
    --hairline: #383D3E;
    --ink: #E9E5DC;
    --ink-dim: #9BA09E;
    --ink-faint: #656B69;

    /* Stage ramp: cool blue -> deep violet as work advances. Green/amber/orange
       are deliberately NOT stage colors — they're reserved as signals below. */
    --s1: #6FA6C0;   /* discovery — light cool blue */
    --s2: #5A82C4;   /* ideation — blue */
    --s3: #6A67C7;   /* planning — indigo */
    --s4: #8659C2;   /* execution — violet */
    --s5: #A24FC0;   /* iterate — magenta-violet, ramp's far end */

    --up: #7FA98C;   /* on track / momentum — signal, not a stage */
    --up-dim: #1F2B25;
    --warn: #C9A23C;       /* at risk — amber, open unresolved risk */
    --warn-dim: #37301A;
    --danger: #D14B3C;     /* delayed — red, known miss, breaks through hardest */
    --danger-dim: #3F241F;
    --alert: #DD6B4A;      /* destructive action (delete) */
    --alert-dim: #43271F;
    --killed: #6B6F6D;
    --idea: #7E8AA0;

    /* Overlay + elevation. In dark mode a near-black scrim and a strong shadow
       read correctly; the light theme overrides both to warm, softer values so
       modals sit in the sepia palette instead of glaring white. */
    --scrim: rgba(0,0,0,0.55);
    --modal-shadow: 0 24px 60px rgba(0,0,0,0.55);

    --font-display: 'Fraunces', Georgia, serif;
    --font-mono: 'IBM Plex Mono', ui-monospace, monospace;
    --font-body: 'IBM Plex Sans', -apple-system, sans-serif;
  }

  /* Light theme — a "drafting table": a warm plaster paper ground with a COOL
     blue-grey structural layer (hairlines, rules, ink) pulled from the cool end of
     the stage ramp. Warm surface + cool draftsmanship is the identity; it reads as an
     engineering surface, not editorial cream. The stage ramp (--s1..--s5) is brand
     identity and stays constant across themes — only neutrals, signal backgrounds,
     and signal text flip. Applied via [data-theme="light"] on <html>; the inline
     <head> script sets it before first paint and theme.js owns the toggle. */
  :root[data-theme="light"] {
    /* Warm paper — same warmth as before but far less yellow-brown chroma, so it
       reads as considered plaster/limestone, not sepia. */
    --bg: #E7E3D9;
    --surface: #F4F1EA;
    --surface-raised: #FBF9F3;
    --shelf: #DED8CB;

    /* The draftsman's line: a cool blue-grey, NOT warm. This is the signature move —
       it makes every border and rule read like ink on a drawing. */
    --hairline: #B7C0C2;

    /* Cool-leaning ink — pencil-on-paper, not warm brown. */
    --ink: #23282B;
    --ink-dim: #5C6468;
    --ink-faint: #949B9C;

    /* Signals are the chromatic accents against the cool structure. Hues stay
       recognizable; the -dim chip/gradient backgrounds are re-tuned so they read as
       clean tints on the less-yellow paper instead of muddy same-hue-as-paper patches.
       Text/-dim pairings keep ~4:1+ contrast for the semibold chip labels. */
    --up: #3F7A54;   --up-dim: #D9E7DC;   /* green (on-track) — dim nudged a hair cooler-clean */
    --warn: #8A5F0F; --warn-dim: #EBDBB0; /* amber (at-risk) — dim pulled OFF the old paper-yellow to a clearer caution amber; this is the key fix */
    --danger: #B23524; --danger-dim: #F0D5CB; /* red (delayed) — meant to be loud; kept warm so it still breaks through */
    --alert: #B4431F; --alert-dim: #F0D8CC;   /* destructive action — mirrors danger */
    --killed: #808079; /* cooled to a neutral "dead" grey so it doesn't read warm-brown against the cool lines */
    --idea: #5C6373;   /* already a cool blue-grey — on-theme, unchanged */

    /* Cool-neutral overlay + shadow so dialogs sit on a drafting surface rather than
       a sepia one. */
    --scrim: rgba(30,34,38,0.38);
    --modal-shadow: 0 18px 44px -12px rgba(30,40,50,0.26);
  }

  * { box-sizing: border-box; }

  html, body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
  }
  body { min-height: 100vh; padding-bottom: 60px; }
  body.drawer-open { overflow: hidden; }
  a { color: inherit; }

  @media (prefers-reduced-motion: reduce) { * { transition: none !important; } }
  :focus-visible { outline: 2px solid var(--s1); outline-offset: 2px; }

  button { font-family: inherit; }

  /* ---------- Header ---------- */
  .app-banner {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 40px; background: var(--warn-dim); color: var(--warn);
    border-bottom: 1px solid var(--hairline);
    font-family: var(--font-mono); font-size: 12px; line-height: 1.5; letter-spacing: 0.02em;
  }
  .app-banner[hidden] { display: none; }
  .app-banner-text { flex: 1; }
  .app-banner-dismiss {
    flex: none; background: transparent; border: 0; cursor: pointer;
    color: inherit; font-size: 18px; line-height: 1; padding: 0 4px;
  }
  .topbar {
    display: flex; align-items: baseline; justify-content: space-between;
    padding: 28px 40px 20px; border-bottom: 1px solid var(--hairline);
  }
  .brand { display: flex; align-items: baseline; gap: 14px; }
  .brand-mark { font-family: var(--font-display); font-size: 22px; font-weight: 600; letter-spacing: 0.01em; }
  .topbar-right { display: flex; align-items: center; gap: 14px; }
  .plan-badge {
    font-family: var(--font-mono); font-size: 9px; color: var(--ink-dim);
    border: 1px solid var(--hairline); padding: 3px 7px; border-radius: 2px;
    text-transform: uppercase;
  }
  .account-chip { display: flex; align-items: center; gap: 8px; min-width: 0; }
  .account-avatar, .account-avatar-fallback {
    width: 28px; height: 28px; border-radius: 50%; flex: none;
  }
  .account-avatar { object-fit: cover; }
  .account-avatar-fallback {
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--surface-raised); border: 1px solid var(--hairline);
    color: var(--ink-dim); font-family: var(--font-mono); font-size: 11px;
  }
  .account-name {
    max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    font-size: 12px; color: var(--ink-dim);
  }
  .logout-link {
    font-family: var(--font-mono); font-size: 10px; color: var(--ink-faint);
    text-decoration: none;
  }
  .logout-link:hover { color: var(--ink); }
  .roll-btn {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em;
    color: var(--ink-dim); background: transparent; border: 1px solid var(--hairline);
    padding: 6px 11px; border-radius: 3px; cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease;
  }
  .roll-btn:hover { border-color: var(--ink-dim); color: var(--ink); }
  /* Three-way theme toggle: one icon button cycling light → dark → system. */
  .theme-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    width: 30px; height: 30px; padding: 0; color: var(--ink-dim);
    background: transparent; border: 1px solid var(--hairline); border-radius: 3px;
    cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease;
  }
  .theme-toggle:hover { color: var(--ink); border-color: var(--ink-dim); }
  .theme-toggle svg { display: block; width: 16px; height: 16px; }

  .synth-caution {
    margin: 0 24px 4px; padding: 8px 12px; background: var(--warn-dim); border-radius: 3px;
    font-family: var(--font-mono); font-size: 11px; color: var(--warn); letter-spacing: 0.02em; line-height: 1.5;
  }
  .finalize-btn { background: var(--up); color: var(--bg); }

  /* ---------- Region label ---------- */
  .region-label {
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em;
    text-transform: uppercase; color: var(--ink-faint);
    padding: 18px 40px 0; display: flex; align-items: center; gap: 10px;
  }
  .region-label .count { color: var(--ink-dim); }
  .add-btn {
    margin-left: auto; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em;
    color: var(--ink-dim); background: transparent; border: 1px solid var(--hairline);
    padding: 5px 11px; border-radius: 3px; cursor: pointer; text-transform: none;
    transition: border-color 0.15s ease, color 0.15s ease;
  }
  .add-btn:hover { border-color: var(--ink-dim); color: var(--ink); }
  .add-btn:disabled { opacity: 0.45; cursor: not-allowed; }
  .add-btn:disabled:hover { border-color: var(--hairline); color: var(--ink-dim); }
  .brief-limit-nudge {
    color: var(--warn); font-size: 9.5px; letter-spacing: 0.03em; text-transform: none;
  }
  /* Primary board actions cluster on the right; category management stays beside
     the count as a compact secondary button. */
  .region-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
  .region-actions .add-btn { margin-left: 0; }
  .region-link {
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.05em; text-transform: none;
    color: var(--ink-dim); background: transparent; border: 1px solid var(--hairline);
    border-radius: 3px; padding: 5px 10px; cursor: pointer;
    transition: border-color 0.15s ease, color 0.15s ease;
  }
  .region-link:hover { color: var(--ink); border-color: var(--ink-dim); }

  /* ---------- Pipeline ---------- */
  .pipeline { padding: 14px 40px 8px; }
  .board-grid {
    display: grid; grid-template-columns: max-content repeat(5, minmax(0, 1fr));
    column-gap: 0; row-gap: 0; align-items: stretch;
  }
  .board-grid.no-lanes { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .board-grid.no-lanes .lane-gutter { display: none; }
  .board-grid.no-lanes .lane-cell { border-left: 0; border-top: 0; }
  .column-head { margin-bottom: 14px; }
  .board-head { padding: 0 0 6px 12px; margin-bottom: 0; }
  .lane-gutter { width: 138px; }
  .lane-label {
    width: 138px; min-width: 0; align-self: stretch; display: flex; flex-direction: column; justify-content: flex-start; gap: 7px;
    padding: 16px 12px 14px 0; background: transparent; border: 0; border-right: 1px solid var(--hairline);
    border-top: 1px solid transparent;
    color: var(--ink-dim); text-align: left; cursor: pointer;
  }
  .lane-label:hover .lane-title { color: var(--ink); }
  .lane-label.collapsed { opacity: 0.72; padding-top: 9px; padding-bottom: 9px; }
  .lane-title { display: flex; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 600; line-height: 1.25; }
  .lane-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--lane-color); flex: none; }
  .lane-count { font-family: var(--font-mono); font-size: 10px; color: var(--ink-faint); padding-left: 16px; }
  :root[data-theme="light"] .lane-count { font-size: 11px; font-weight: 600; color: var(--ink-dim); }
  .lane-cell {
    min-width: 0; min-height: 56px; padding: 16px 0 12px 12px;
    border-left: 1px solid var(--hairline); border-top: 1px solid transparent;
  }
  /* Full-width hairline between swimlanes (the first lane has no rule above it). */
  .lane-label.lane-sep, .lane-cell.lane-sep { border-top-color: var(--hairline); }
  /* Collapsed lane: a thin band showing each stage's card count, not empty space. */
  .lane-cell.lane-hidden { min-height: 0; padding-top: 9px; padding-bottom: 9px; }
  .lane-count-mini {
    align-self: flex-start; display: inline-block; min-width: 20px; text-align: center;
    font-family: var(--font-mono); font-size: 11px; color: var(--ink-dim);
    background: var(--surface); border: 1px solid var(--hairline);
    border-left: 2px solid var(--stage-color); border-radius: 3px; padding: 3px 7px;
  }
  .column-eyebrow {
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
    color: var(--ink-faint); display: flex; align-items: center; gap: 8px; margin-bottom: 5px;
  }
  .stage-num { color: var(--stage-color); font-weight: 500; }
  .dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
  .column-title {
    font-family: var(--font-mono); font-size: 12.5px; font-weight: 600; line-height: 1.2;
    letter-spacing: 0.08em; text-transform: uppercase;
  }
  .cards { display: flex; flex-direction: column; gap: 10px; min-height: 40px; }
  .cell-stage { display: none; }

  /* ---------- Cards ---------- */
  .card {
    background: var(--surface); border-left: 3px solid var(--stage-color); border-radius: 2px;
    padding: 14px 15px; cursor: grab; transition: background 0.15s ease;
  }
  .card:hover { background: var(--surface-raised); }
  .card:active { cursor: grabbing; }
  .card.dragging, .benched.dragging { opacity: 0.35; }
  /* Drop indicator: a ghost card is inserted at the exact slot the dragged card
     would land in (see wireDnD in board.js), so the dashed outline traces the
     landing position — not the card already sitting there. */
  .card-ghost {
    border: 2px dashed var(--stage-color); border-radius: 3px; min-height: 56px;
    background: var(--surface-raised); opacity: 0.55; pointer-events: none;
  }
  .bench-lane.drag-over { outline: 2px dashed var(--killed); outline-offset: 6px; border-radius: 3px; }
  .card-title { font-size: 14px; font-weight: 600; line-height: 1.35; margin-bottom: 8px; }
  .card-status {
    font-size: 12px; color: var(--ink-dim); line-height: 1.5;
    list-style: none; margin: 0; padding: 0;
  }
  .card-status li { position: relative; padding-left: 13px; }
  .card-status li::before {
    content: "•"; position: absolute; left: 2px; color: var(--ink-faint);
  }
  .card-status li + li { margin-top: 3px; }

  .card-flags { display: flex; gap: 6px; margin-bottom: 8px; flex-wrap: wrap; }
  .chip {
    font-family: var(--font-mono); font-size: 9.5px; letter-spacing: 0.06em; text-transform: uppercase;
    display: inline-flex; align-items: center; gap: 5px; padding: 2px 7px; border-radius: 2px;
  }
  .chip-changed { color: var(--up); }
  .chip-changed::before { content:''; width:5px; height:5px; border-radius:50%; background: var(--up); }
  .chip-health::before { content:''; width:5px; height:5px; border-radius:50%; }
  .chip-ontrack { color: var(--up); background: var(--up-dim); font-weight: 500; }
  .chip-ontrack::before { background: var(--up); }
  .chip-atrisk { color: var(--warn); background: var(--warn-dim); font-weight: 500; }
  .chip-atrisk::before { background: var(--warn); }
  .chip-delayed { color: var(--danger); background: var(--danger-dim); font-weight: 500; }
  .chip-delayed::before { background: var(--danger); }

  /* At-risk and delayed Execution cards carry loud signal colors. */
  .card.health-atrisk { border-left-color: var(--warn); background: linear-gradient(90deg, var(--warn-dim) 0%, var(--surface) 55%); }
  .card.health-atrisk:hover { background: linear-gradient(90deg, var(--warn-dim) 0%, var(--surface-raised) 55%); }
  .card.health-delayed { border-left-color: var(--danger); background: linear-gradient(90deg, var(--danger-dim) 0%, var(--surface) 55%); }
  .card.health-delayed:hover { background: linear-gradient(90deg, var(--danger-dim) 0%, var(--surface-raised) 55%); }

  .card-link {
    display: inline-block; margin-top: 11px;
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.03em;
    color: var(--ink-faint); text-decoration: none;
    border-bottom: 1px solid transparent; transition: color 0.15s ease, border-color 0.15s ease;
  }
  .card-link:hover { color: var(--stage-color); border-bottom-color: var(--stage-color); }

  .card-date {
    display: flex; align-items: baseline; gap: 5px; margin-top: 10px;
    font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.04em;
    color: var(--ink-faint);
  }
  .card-date .cd-label { text-transform: uppercase; opacity: 0.65; }
  .card-date .cd-val { color: var(--stage-color); }

  .horizon-grid { display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 14px; padding: 24px 40px 56px; align-items: start; overflow-x: auto; }
  .horizon-matrix {
    display: grid; grid-template-columns: max-content repeat(4, minmax(0, 1fr));
    padding: 24px 40px 56px; align-items: stretch; overflow-x: auto;
  }
  .horizon-matrix-head {
    min-width: 170px; margin: 0; padding: 0 12px 12px;
    display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  }
  .horizon-matrix-head .column-title { font-size: 14px; }
  .horizon-cell {
    min-width: 0; min-height: 96px; display: flex; flex-direction: column; gap: 8px;
    padding: 12px; border-left: 1px solid var(--hairline); border-top: 1px solid transparent;
  }
  .horizon-matrix .lane-label.lane-sep, .horizon-cell.lane-sep { border-top-color: var(--hairline); }
  .horizon-cell.lane-hidden { min-height: 0; padding-top: 9px; padding-bottom: 9px; }
  .horizon-cell-empty { align-items: center; justify-content: center; }
  .horizon-cell-empty .card-ghost { align-self: stretch; width: auto; }
  .horizon-cell-empty:has(.card-ghost) { align-items: stretch; justify-content: flex-start; }
  .horizon-cell-empty:has(.card-ghost) .horizon-empty-mark { display: none; }
  .horizon-empty-mark { color: var(--hairline); font-family: var(--font-mono); font-size: 15px; }
  .horizon-compact { padding: 10px 11px; }
  .horizon-compact .card-title {
    margin: 0 0 7px; font-size: 12.5px; line-height: 1.35;
    display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
  }
  .horizon-compact-meta {
    min-width: 0; display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
    color: var(--ink-faint); font-family: var(--font-mono); font-size: 9.5px; line-height: 1.3;
  }
  .horizon-compact-meta .horizon-gran { margin: 0; }
  .horizon-bucket { min-width: 220px; border: 1px solid var(--hairline); background: var(--surface); }
  .horizon-head { display: flex; justify-content: space-between; align-items: center; padding: 13px 14px; border-bottom: 1px solid var(--hairline); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
  .horizon-count { color: var(--ink-faint); }
  .horizon-bucket[data-bucket="past"] .horizon-head { color: var(--killed); }
  .horizon-cell[data-bucket="past"] { border-left-color: var(--killed); }
  .horizon-cards { display: flex; flex-direction: column; gap: 10px; padding: 10px; min-height: 90px; }
  .horizon-card.tentative { opacity: .72; }
  .horizon-card.dragging { opacity: 0.35; }
  .horizon-card .card { cursor: grab; }
  .horizon-card .card:active { cursor: grabbing; }
  /* Tentative = placed by graduation date only (no committed delivery). Dash just
     the left accent bar — NOT `border-style` shorthand, which would flip the other
     three sides' invisible medium-width borders on and draw a full box that reads
     as a drop zone. */
  .horizon-card.tentative .card { border-left-style: dashed; }
  .tentative-note { margin: 0 0 5px 3px; color: var(--ink-faint); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
  .horizon-gran { display: inline-block; margin: 0 0 5px 3px; padding: 2px 6px; border-radius: 999px; background: var(--bg); color: var(--ink-faint); font-family: var(--font-mono); font-size: 9px; font-weight: 700; letter-spacing: .04em; }
  .horizon-empty { color: var(--ink-faint); font-size: 12px; line-height: 1.45; padding: 8px 4px; }

  /* ---------- Tabs ---------- */
  .tabs { display: flex; gap: 6px; padding: 14px 40px 0; border-bottom: 1px solid var(--hairline); }
  .tab {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase;
    color: var(--ink-faint); background: transparent; border: none; border-bottom: 2px solid transparent;
    padding: 6px 4px 9px; margin-bottom: -1px; cursor: pointer; transition: color 0.15s ease, border-color 0.15s ease;
  }
  .tab:hover { color: var(--ink-dim); }
  .tab.sel { color: var(--ink); border-bottom-color: var(--s4); }
  .tab .tab-count { color: var(--ink-faint); margin-left: 3px; }

  /* ---------- Archive ---------- */
  .archive-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 6px 40px 44px; }
  .arch { background: var(--surface); border-left: 3px solid var(--hairline); border-radius: 2px; padding: 13px 14px; }
  .arch-reason {
    font-family: var(--font-mono); font-size: 9px; letter-spacing: 0.07em; text-transform: uppercase;
    display: inline-block; margin-bottom: 8px; padding: 2px 7px; border-radius: 2px;
  }
  .arch-reason.completed { color: var(--up); border: 1px solid var(--up); }
  .arch-reason.retired { color: var(--killed); border: 1px solid var(--killed); }
  .arch-title { font-size: 13.5px; font-weight: 600; line-height: 1.35; color: var(--ink-dim); margin-bottom: 6px; }
  .arch-meta { font-size: 11px; color: var(--ink-faint); line-height: 1.5; }
  .archive-empty { font-size: 12px; color: var(--ink-faint); font-style: italic; grid-column: 1 / -1; padding: 10px 0; }
  .history-list { display: grid; gap: 18px; padding: 6px 40px 44px; max-width: 760px; }
  .history-controls { display: flex; align-items: center; gap: 12px; }
  #historySearch { flex: 1; font-family: inherit; font-size: 13px; color: var(--ink); background: transparent; border: 1px solid var(--hairline); border-radius: 6px; padding: 6px 10px; }
  #historySearch:focus { outline: none; border-color: var(--ink-dim); }
  #historySearch::placeholder { color: var(--ink-faint); }
  .history-count { font-size: 11px; color: var(--ink-faint); white-space: nowrap; }
  #historyBody { display: grid; gap: 18px; }
  .history-group { display: grid; gap: 12px; }
  .history-month { font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-faint); }
  .history-item { border: 1px solid var(--hairline); border-radius: 8px; padding: 12px 14px; }
  .history-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
  .history-date { font-size: 12px; font-weight: 600; color: var(--ink-dim); cursor: default; }
  .history-copy { font-size: 11px; color: var(--ink-dim); background: none; border: 1px solid var(--hairline); border-radius: 5px; padding: 2px 8px; cursor: pointer; }
  .history-copy:hover { color: var(--ink); }
  .history-text { font-size: 13px; line-height: 1.6; color: var(--ink); white-space: pre-wrap; word-break: break-word; margin: 0; font-family: inherit; }
  .history-text .hline { display: inline; }
  .history-text .hmark { color: var(--ink-faint); }
  .history-text .tone-up .hmark { color: var(--up); }
  .history-text .tone-warn .hmark { color: var(--warn); }
  .history-text .tone-danger .hmark { color: var(--danger); }
  .history-text .tone-move .hmark { color: var(--ink-dim); }
  .history-text .tone-muted { color: var(--ink-dim); }
  .history-text .tone-muted .hmark { color: var(--ink-faint); }
  .history-text.collapsed { max-height: 168px; overflow: hidden; -webkit-mask-image: linear-gradient(to bottom, #000 68%, transparent); mask-image: linear-gradient(to bottom, #000 68%, transparent); }
  .history-more { margin-top: 8px; font-size: 11px; color: var(--ink-dim); background: none; border: none; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
  .history-more:hover { color: var(--ink); }
  .history-empty { font-size: 12px; color: var(--ink-faint); font-style: italic; padding: 10px 0; }
  .archive-action { font-family: var(--font-mono); font-size: 11px; color: var(--up); background: transparent; border: none; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
  .archive-action:hover { color: var(--ink-dim); }

  /* ---------- Bench ---------- */
  .bench { margin: 6px 40px 0; background: var(--shelf); border: 1px solid var(--hairline); border-radius: 4px; padding: 16px 18px 18px; }
  .bench-lane + .bench-lane { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--hairline); }
  .bench-lane-head {
    min-height: 29px; display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 11px;
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-dim);
  }
  .bench-toggle {
    padding: 0; border: 0; background: transparent; color: inherit; cursor: pointer;
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.06em; text-transform: uppercase;
  }
  .bench-toggle:hover { color: var(--ink); }
  .add-idea { margin-left: auto; }
  .bench-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .benched {
    background: var(--surface); border-left: 3px solid var(--killed); border-radius: 2px;
    padding: 13px 14px; cursor: grab; transition: background 0.15s ease;
  }
  .benched:active { cursor: grabbing; }
  .benched:hover { background: var(--surface-raised); }
  .benched.idea { border-left-color: var(--idea); }
  .benched-title { font-size: 13.5px; font-weight: 600; line-height: 1.35; color: var(--ink-dim); margin-bottom: 6px; }
  .bench-reason { font-size: 11.5px; color: var(--ink-faint); line-height: 1.5; font-style: italic; }
  .revive {
    margin-top: 11px; display: inline-flex; align-items: center; gap: 6px;
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.03em; color: var(--ink-dim);
    background: transparent; border: 1px solid var(--hairline); border-radius: 3px; padding: 5px 9px;
    cursor: pointer; transition: border-color 0.15s ease, color 0.15s ease;
  }
  .revive:hover { border-color: var(--revive-color); color: var(--revive-color); }
  .promote:hover { border-color: var(--s1); color: var(--s1); }
  .bench-empty { font-size: 12px; color: var(--ink-faint); font-style: italic; grid-column: 1 / -1; padding: 4px 0; }

  /* ---------- Synthesize bar ---------- */
  .update-bar { padding: 24px 40px 0; display: flex; align-items: center; gap: 14px; }
  .gen-btn {
    font-family: var(--font-mono); font-size: 12.5px; letter-spacing: 0.03em;
    background: var(--ink); color: var(--bg); border: none; padding: 10px 18px; border-radius: 3px;
    cursor: pointer; transition: opacity 0.15s ease;
  }
  .gen-btn:hover { opacity: 0.85; }
  .gen-note { font-family: var(--font-mono); font-size: 11px; color: var(--ink-faint); letter-spacing: 0.02em; }

  /* ---------- Synthesize panel ---------- */
  .update-panel { max-width: 760px; margin: 20px auto 0; padding: 0 40px; display: none; }
  .update-panel.visible { display: block; }
  .synth { background: var(--surface); border: 1px solid var(--hairline); border-radius: 4px; overflow: hidden; }

  .synth-topline {
    display: flex; align-items: baseline; justify-content: space-between;
    padding: 20px 24px 0;
  }
  .synth-title { font-family: var(--font-display); font-size: 19px; font-weight: 600; }
  .synth-title .synth-sub { font-family: var(--font-body); font-size: 12px; color: var(--ink-faint); font-weight: 400; margin-left: 8px; }
  .board-title-edit {
    margin-left: 4px; padding: 2px 3px; border: 0; background: transparent;
    color: var(--ink-faint); font-size: 12px; cursor: pointer;
  }
  .board-title-edit:hover { color: var(--ink); }
  .synth-meta { display: flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); letter-spacing: 0.04em; }

  .synth-stream { padding: 16px 24px 6px; min-height: 90px; }

  .ugroup { margin-bottom: 22px; }
  .ugroup-label {
    font-size: 11px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
    margin-bottom: 10px; padding-bottom: 5px; border-bottom: 1px solid var(--hairline);
  }
  .ugroup-body { padding-left: 2px; }
  .ugroup:last-child { margin-bottom: 0; }
  .usection { margin-bottom: 16px; opacity: 0; transform: translateY(4px); animation: rise 0.3s ease forwards; }
  @keyframes rise { to { opacity: 1; transform: none; } }
  .usection-label { font-size: 13.5px; font-weight: 600; margin-bottom: 8px; display: flex; align-items: center; gap: 7px; }
  .usection-label .dot { width: 6px; height: 6px; }
  .usection-body { font-size: 13.5px; line-height: 1.7; color: var(--ink); }
  .u-changes { list-style: none; margin: 4px 0 0; padding: 0; }
  .u-line { display: flex; gap: 8px; font-size: 13.5px; line-height: 1.6; color: var(--ink); margin-bottom: 3px; }
  .u-marker { flex: none; min-width: 34px; text-align: right; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em; color: var(--ink-faint); user-select: none; }
  .u-line.tone-up .u-marker { color: var(--up); }
  .u-line.tone-warn .u-marker { color: var(--warn); }
  .u-line.tone-danger .u-marker { color: var(--danger); }
  .u-line.tone-move .u-marker { color: var(--ink-dim); }
  .u-line.tone-muted { color: var(--ink-dim); }
  .u-line.tone-muted .u-marker { color: var(--ink-faint); }
  .synth-intro { color: var(--ink-dim); font-size: 13px; margin-bottom: 16px; }

  .synth-foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; padding: 8px 24px 20px; }
  .mini-btn {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; color: var(--bg);
    background: var(--ink); border: none; padding: 8px 14px; border-radius: 3px; cursor: pointer; transition: opacity 0.15s ease;
  }
  .mini-btn:hover { opacity: 0.85; }
  .mini-btn.ghost { background: transparent; color: var(--ink-dim); border: 1px solid var(--hairline); }
  .mini-btn.ghost:hover { color: var(--ink); border-color: var(--ink-dim); }
  @media (prefers-reduced-motion: reduce) {
    .usection { animation: none; opacity: 1; transform: none; }
  }

  /* ---------- Login ---------- */
  .login-page { min-height: 100vh; padding: 0; display: grid; place-items: center; }
  .login-shell { width: min(360px, calc(100vw - 40px)); text-align: center; }
  .login-brand { font-family: var(--font-display); font-size: 28px; font-weight: 600; margin-bottom: 28px; }
  .login-shell h1 { margin: 0 0 24px; font-size: 19px; font-weight: 500; }
  .google-signin {
    display: flex; align-items: center; justify-content: center; gap: 10px;
    width: 100%; padding: 11px 16px; background: var(--surface); color: var(--ink);
    border: 1px solid var(--hairline); border-radius: 4px; text-decoration: none;
    font-size: 13px;
  }
  .google-signin:hover { background: var(--surface-raised); border-color: var(--ink-dim); }
  .google-mark { font-family: Arial, sans-serif; font-weight: 700; color: #4285F4; }
  .login-error {
    margin: 0 0 14px; padding: 10px 12px; border-radius: 3px;
    background: var(--danger-dim); color: var(--danger); font-size: 12px; line-height: 1.5;
  }

  /* ---------- Editor drawer ---------- */
  .scrim {
    position: fixed; inset: 0; background: var(--scrim); opacity: 0; pointer-events: none;
    transition: opacity 0.2s ease; z-index: 40;
  }
  .scrim.open { opacity: 1; pointer-events: auto; }
  .drawer {
    position: fixed; top: 0; right: 0; height: 100%; width: 420px; max-width: 92vw;
    background: var(--surface); border-left: 1px solid var(--hairline);
    transform: translateX(100%); transition: transform 0.22s ease; z-index: 50;
    display: flex; flex-direction: column;
  }
  .drawer.open { transform: translateX(0); }
  .drawer-head {
    padding: 22px 24px 16px; border-bottom: 1px solid var(--hairline);
    display: flex; align-items: center; justify-content: space-between;
  }
  .drawer-eyebrow { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--stage-color, var(--ink-faint)); }
  .drawer-close { background: transparent; border: none; color: var(--ink-dim); font-size: 20px; cursor: pointer; line-height: 1; }
  .drawer-body { padding: 20px 24px; overflow-y: auto; overscroll-behavior: contain; flex: 1; min-height: 0; }

  .field { margin-bottom: 20px; }
  .field-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 7px; display: block; }
  .field input[type=text], .field textarea, .field-select {
    width: 100%; background: var(--bg); color: var(--ink); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 10px 11px; font-family: var(--font-body); font-size: 13.5px; line-height: 1.5; resize: vertical;
  }
  .field-select { resize: none; cursor: pointer; }
  .hpick { display: flex; gap: 8px; align-items: stretch; }
  .hpick-val select, .hpick-val input {
    min-height: 42px; background: var(--bg); color: var(--ink); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 9px 10px; font-family: var(--font-body); font-size: 13.5px;
  }
  .hpick-val { display: flex; flex: 1; gap: 8px; min-width: 0; }
  .hpick-val select { flex: 1; min-width: 0; cursor: pointer; }
  .hpick-val input { width: 100%; min-width: 0; }
  .field textarea { min-height: 74px; }
  .status-preview { margin-top: 6px; }
  .status-preview-cap { font-size: 11px; color: var(--ink-faint); margin-bottom: 4px; }
  .status-preview-list { margin: 0; padding-left: 18px; }
  .status-preview-list li { font-size: 12.5px; line-height: 1.6; color: var(--ink-dim); }
  .statushist { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--hairline); }
  .statushist-item { display: flex; gap: 10px; padding: 4px 0 4px 12px; font-size: 12.5px; line-height: 1.5; }
  .statushist-date { flex: 0 0 auto; color: var(--ink-faint); font-variant-numeric: tabular-nums; min-width: 74px; }
  .statushist-text { color: var(--ink-dim); }
  .statushist-more { margin-top: 6px; }
  .statushist-more > summary {
    cursor: pointer; list-style: none;
    color: var(--ink-faint); font-size: 12px; padding: 2px 0 2px 12px;
  }
  .statushist-more > summary::-webkit-details-marker { display: none; }
  .statushist-more > summary::before { content: "⌄ "; }
  .statushist-more[open] > summary::before { content: "⌃ "; }
  .statushist-more > summary:hover { color: var(--ink-dim); }

  .stage-picker { display: flex; gap: 6px; flex-wrap: wrap; }
  .stage-opt {
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.03em; color: var(--ink-dim);
    background: transparent; border: 1px solid var(--hairline); border-radius: 3px; padding: 7px 10px; cursor: pointer;
    transition: all 0.12s ease;
  }
  .stage-opt.sel { color: var(--bg); border-color: var(--opt-color); background: var(--opt-color); }

  .health-seg { display: inline-flex; gap: 6px; flex-wrap: wrap; }
  .health-opt {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.02em;
    color: var(--ink-dim); background: transparent; border: 1px solid var(--hairline);
    border-radius: 3px; padding: 6px 12px; cursor: pointer; transition: color 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  }
  .health-opt:hover { border-color: var(--h-color); color: var(--h-color); }
  .health-opt.sel { color: var(--bg); background: var(--h-color); border-color: var(--h-color); }

  .slider { width: 100%; accent-color: var(--s3); }

  .artifact-list { display: flex; flex-direction: column; gap: 7px; margin-bottom: 8px; }
  .artifact-row { display: flex; align-items: center; gap: 8px; }
  .artifact-row .artifact-done { flex: none; width: 15px; height: 15px; accent-color: var(--s3); cursor: pointer; }
  .artifact-row .artifact-text {
    flex: 1 1 auto; min-width: 0; background: var(--bg); color: var(--ink); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 8px 10px; font-family: var(--font-body); font-size: 13px; line-height: 1.4;
  }
  .artifact-row.done .artifact-text { color: var(--ink-faint); text-decoration: line-through; }
  .artifact-row .artifact-owner {
    flex: none; background: var(--bg); color: var(--ink-dim); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 8px 6px; font-family: var(--font-mono); font-size: 10.5px; cursor: pointer;
  }
  .artifact-row .artifact-del {
    flex: none; background: transparent; border: none; color: var(--ink-faint); font-size: 16px; line-height: 1;
    cursor: pointer; padding: 4px 6px; border-radius: 3px;
  }
  .artifact-row .artifact-del:hover { color: var(--danger); }
  .artifact-add {
    font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.03em; color: var(--ink-dim);
    background: transparent; border: 1px dashed var(--hairline); border-radius: 3px; padding: 7px 11px; cursor: pointer;
  }
  .artifact-add:hover { border-color: var(--ink-dim); color: var(--ink); }

  .drawer-foot { padding: 16px 24px; border-top: 1px solid var(--hairline); display: flex; gap: 10px; align-items: center; }
  .save-btn { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.03em; color: var(--bg); background: var(--ink); border: none; padding: 10px 18px; border-radius: 3px; cursor: pointer; }
  .save-btn:hover { opacity: 0.85; }
  .foot-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
  .bench-action { font-family: var(--font-mono); font-size: 11px; color: var(--killed); background: transparent; border: none; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
  .bench-action:hover { color: var(--ink-dim); }
  .del-action { font-family: var(--font-mono); font-size: 11px; color: var(--alert); background: transparent; border: none; cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
  .del-action:hover { color: var(--ink); }

  /* ---------- Modal (confirm / prompt) ---------- */
  /* Replaces the browser's confirm()/prompt() dialogs. Sits above the drawer
     (z 60/70 vs 40/50) so an action started in the drawer confirms in front of it. */
  .modal-scrim {
    position: fixed; inset: 0; background: var(--scrim); opacity: 0; pointer-events: none;
    transition: opacity 0.18s ease; z-index: 60;
  }
  .modal-scrim.open { opacity: 1; pointer-events: auto; }
  .modal {
    position: fixed; top: 50%; left: 50%; z-index: 70; width: 420px; max-width: 92vw;
    transform: translate(-50%, calc(-50% + 8px)); opacity: 0; pointer-events: none;
    background: var(--surface); border: 1px solid var(--hairline); border-radius: 6px;
    padding: 24px 24px 20px; box-shadow: var(--modal-shadow);
    transition: opacity 0.18s ease, transform 0.18s ease;
  }
  .modal.wide { width: 680px; }
  .modal.open { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%); }
  .modal-title { font-family: var(--font-mono); font-size: 18px; font-weight: 600; margin-bottom: 10px; }
  .modal-msg { font-size: 13.5px; line-height: 1.6; color: var(--ink-dim); white-space: pre-line; }
  .modal-msg.modal-html { white-space: normal; }
  .category-manager { display: flex; flex-direction: column; gap: 10px; max-height: min(58vh, 520px); overflow-y: auto; }
  .cat-row {
    display: grid; grid-template-columns: 116px minmax(0, 1fr) 76px 62px 28px;
    align-items: center; gap: 10px; padding: 10px 0; border-bottom: 1px solid var(--hairline);
  }
  .cat-row:last-child { border-bottom: 0; }
  .category-empty { font-size: 12.5px; color: var(--ink-dim); line-height: 1.6; padding: 4px 0 12px; }
  .cat-add { display: flex; gap: 8px; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--hairline); }
  .cat-add-name { flex: 1; }
  .cat-add-btn { white-space: nowrap; background: none; border: 1px solid var(--hairline); border-radius: 6px; padding: 4px 12px; color: var(--ink-dim); cursor: pointer; }
  .cat-add-btn:hover { color: var(--ink); border-color: var(--ink-dim); }
  .cat-swatches { display: flex; flex-wrap: wrap; gap: 5px; }
  .cat-swatch {
    width: 18px; height: 18px; border-radius: 50%; border: 2px solid transparent;
    cursor: pointer; padding: 0;
  }
  .cat-swatch.sel { border-color: var(--ink); }
  .cat-name {
    min-width: 0; width: 100%; background: var(--bg); color: var(--ink); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 8px 9px; font-family: var(--font-body); font-size: 13px;
  }
  .cat-count { font-family: var(--font-mono); font-size: 10.5px; color: var(--ink-faint); white-space: nowrap; }
  .cat-order { display: flex; gap: 4px; }
  .cat-move, .cat-delete {
    width: 27px; height: 27px; display: inline-flex; align-items: center; justify-content: center;
    background: transparent; color: var(--ink-dim); border: 1px solid var(--hairline);
    border-radius: 3px; cursor: pointer; line-height: 1;
  }
  .cat-move:hover { color: var(--ink); border-color: var(--ink-dim); }
  .cat-move:disabled { opacity: 0.35; cursor: not-allowed; }
  .cat-delete { color: var(--alert); border-color: transparent; font-size: 17px; }
  .cat-delete:hover { border-color: var(--alert); }
  .modal-input-wrap { margin-top: 16px; }
  .modal-input-wrap input {
    width: 100%; background: var(--bg); color: var(--ink); border: 1px solid var(--hairline);
    border-radius: 3px; padding: 10px 11px; font-family: var(--font-body); font-size: 13.5px; line-height: 1.5;
  }
  .modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 22px; }
  .modal-cancel {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; color: var(--ink-dim);
    background: transparent; border: 1px solid var(--hairline); border-radius: 3px; padding: 8px 14px; cursor: pointer;
    transition: color 0.15s ease, border-color 0.15s ease;
  }
  .modal-cancel:hover { color: var(--ink); border-color: var(--ink-dim); }
  .modal-confirm {
    font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.03em; color: var(--bg);
    background: var(--ink); border: 1px solid transparent; border-radius: 3px; padding: 8px 14px; cursor: pointer;
    transition: opacity 0.15s ease;
  }
  .modal-confirm:hover { opacity: 0.85; }
  .modal-confirm.tone-alert { background: var(--alert); }
  .modal-confirm.tone-up { background: var(--up); }

  @media (max-width: 900px) {
    .pipeline { padding: 14px 20px; }
    .board-grid { display: block; padding: 14px 20px; }
    .lane-gutter, .board-head { display: none; }
    .lane-label {
      width: 100%; border-right: 0; border-top: 1px solid var(--hairline);
      padding: 14px 0 10px; margin-top: 8px;
    }
    .lane-cell { border-left: 0; padding: 0 0 12px; }
    .lane-cell.lane-hidden { display: none; }
    .lane-cell.lane-cell-empty { display: none; }
    .cell-stage {
      display: block; margin-bottom: 8px;
      font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
      text-transform: uppercase; color: var(--stage-color);
    }
    .bench { margin: 6px 20px 0; }
    .bench-strip { grid-template-columns: 1fr; }
    .topbar, .region-label, .update-bar, .tabs, .app-banner { padding-left: 20px; padding-right: 20px; }
    .horizon-grid { padding-left: 20px; padding-right: 20px; }
    .horizon-matrix { display: block; padding: 14px 20px 44px; overflow-x: visible; }
    .horizon-matrix > .lane-gutter, .horizon-matrix > .horizon-matrix-head { display: none; }
    .horizon-matrix .lane-label {
      width: 100%; border-right: 0; border-top: 1px solid var(--hairline);
      padding: 14px 0 10px; margin-top: 8px;
    }
    .horizon-cell { min-height: 58px; border-left: 0; border-top: 0; padding: 8px 0 12px; }
    .horizon-cell::before {
      display: block; margin-bottom: 1px; color: var(--ink-faint);
      font-family: var(--font-mono); font-size: 10px; letter-spacing: .08em; text-transform: uppercase;
    }
    .horizon-cell::before { content: attr(data-bucket-label); }
    .horizon-cell.lane-hidden { display: none; }
    .horizon-cell-empty { align-items: stretch; justify-content: flex-start; min-height: 42px; }
    .horizon-cell-empty .horizon-empty-mark { display: none; }
    .topbar { align-items: center; flex-wrap: wrap; gap: 14px; }
    .brand { width: 100%; min-width: 0; }
    .topbar-right { width: 100%; gap: 8px; }
    .demo-btn, .account-name { display: none; }
    .account-chip { margin-left: auto; }
    .update-panel { padding: 0 20px; }
    .archive-list { grid-template-columns: 1fr; padding: 6px 20px 44px; }
    .history-list { padding: 6px 20px 44px; }
    .cat-row { grid-template-columns: 1fr auto; gap: 8px; }
    .cat-swatches, .cat-name { grid-column: 1 / -1; }
    .cat-count { grid-column: 1; }
    .cat-order, .cat-delete { grid-column: auto; }
  }