/* ===== poster system (motif engine — used by the live preview + GIF capture) =====
     Each .poster root carries CSS vars set by the controls:
     --pbg --psurface --pink --psoft --pmuted --prule
     --itext --iimage --ivideo --icross (+ -tint) --plead
     --pfont-display --pdisplay-weight --pdisplay-track */

  .poster { position: relative; width: 100%; height: 100%; background: var(--pbg); color: var(--pink); font-family: "Archivo", system-ui, sans-serif; overflow: hidden; box-sizing: border-box; }
  .poster *, .poster *::before, .poster *::after { box-sizing: border-box; }
  .poster .mono { font-family: "IBM Plex Mono", monospace; }
  .poster .eyebrow { font-family: "IBM Plex Mono", monospace; font-size: 13px; font-weight: 500; letter-spacing: 0.14em; text-transform: uppercase; color: var(--psoft); white-space: nowrap; display: block; margin: 0; }
  .poster .rule { height: 1px; background: var(--prule); }
  .poster .rule-strong { height: 2px; background: var(--pink); }
  .poster .display { font-family: var(--pfont-display); font-weight: var(--pdisplay-weight); line-height: 0.94; letter-spacing: var(--pdisplay-track, -0.02em); margin: 0; }

  .p-info { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0 24px; }
  .p-info .cell { display: flex; flex-direction: column; gap: 7px; padding-top: 12px; border-top: 2px solid var(--pink); }
  .p-info .k { font-family: "IBM Plex Mono", monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pmuted); }
  .p-info .v { font-size: 17px; font-weight: 600; line-height: 1.3; }
  .p-info .v small { display: block; font-weight: 400; font-size: 13.5px; color: var(--psoft); margin-top: 2px; }

  .tok-strip { display: flex; gap: 8px; align-items: stretch; }
  .tok { display: flex; flex-direction: column; gap: 6px; padding: 10px 12px 8px; border: 1px solid var(--tok-ink); background: var(--tok-tint); color: var(--tok-ink); }
  .tok .t { font-family: "IBM Plex Mono", monospace; font-size: 19px; font-weight: 600; white-space: pre; }
  .tok .id { font-family: "IBM Plex Mono", monospace; font-size: 10.5px; opacity: 0.75; letter-spacing: 0.06em; }

  .bars { display: flex; flex-direction: column; gap: 9px; }
  .bars .barrow { display: grid; grid-template-columns: 86px 1fr 44px; align-items: center; gap: 10px; }
  .bars .blabel { font-family: "IBM Plex Mono", monospace; font-size: 13px; color: var(--psoft); text-align: right; white-space: pre; }
  .bars .blabel.hit { color: var(--bar-ink); font-weight: 600; }
  .bars .btrack { height: 14px; background: transparent; position: relative; }
  .bars .bfill { display: block; height: 100%; background: var(--bar-ink); }
  .bars .bpct { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--pmuted); }

  .noise { display: grid; gap: 4px; }
  .noise i { display: block; background: var(--noise-ink); }

  .frames { display: flex; gap: 10px; align-items: center; }
  .frame { position: relative; border: 1.5px solid var(--frame-ink); background: var(--frame-tint); }
  .frame .blob { position: absolute; border-radius: 50%; background: var(--frame-ink); }
  .frame .fno { position: absolute; left: 4px; bottom: 3px; font-family: "IBM Plex Mono", monospace; font-size: 9px; color: var(--frame-ink); }

  .band { display: grid; grid-template-columns: 64px 1fr 270px; gap: 20px; align-items: center; padding: 26px 0; border-top: 1px solid var(--prule); }
  .band .bno { font-family: "IBM Plex Mono", monospace; font-size: 15px; color: var(--band-ink); font-weight: 600; }
  .band .bword { font-family: var(--pfont-display); font-weight: var(--pdisplay-weight); font-size: 64px; line-height: 1; color: var(--band-ink); letter-spacing: var(--pdisplay-track, -0.02em); margin: 0 0 8px; }
  .band .bq { font-size: 15.5px; line-height: 1.45; color: var(--psoft); max-width: 40ch; margin: 0; }
  .band .bdate { font-family: "IBM Plex Mono", monospace; font-size: 12.5px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pmuted); margin: 9px 0 0; }

  .plate-c { border: 1.5px solid var(--pink); background: var(--psurface); position: relative; }
  .diag-chip { font-family: "IBM Plex Mono", monospace; font-size: 15px; font-weight: 600; padding: 8px 11px; border: 1.5px solid var(--chip-ink); color: var(--chip-ink); background: var(--chip-tint); white-space: pre; }
  .diag-arrow { font-family: "IBM Plex Mono", monospace; font-size: 18px; color: var(--pmuted); }
  .diag-cap { font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: 0.08em; color: var(--pmuted); }

  .pticks::before, .pticks::after { content: ""; position: absolute; width: 14px; height: 14px; border-color: var(--pmuted); border-style: solid; z-index: 2; }
  .pticks::before { top: 18px; left: 18px; border-width: 1.5px 0 0 1.5px; }
  .pticks::after { bottom: 18px; right: 18px; border-width: 0 1.5px 1.5px 0; }

  /* spectrum (datamosh) wash */
  .poster.spectrum > *:not(.wash) { position: relative; z-index: 1; }
  .wash { position: absolute; inset: -22%; z-index: 0; display: none;
    background:
      radial-gradient(58% 50% at 12% 18%, oklch(0.78 0.21 350 / 0.9), transparent 68%),
      radial-gradient(52% 58% at 88% 12%, oklch(0.84 0.15 230 / 0.92), transparent 70%),
      radial-gradient(56% 54% at 78% 82%, oklch(0.9 0.22 125 / 0.88), transparent 70%),
      radial-gradient(48% 52% at 16% 86%, oklch(0.78 0.17 305 / 0.85), transparent 70%),
      linear-gradient(118deg, oklch(0.93 0.19 105), oklch(0.86 0.14 250)); }
  .poster.spectrum .wash { display: block; }
  .wash.animate { animation: washHue 14s linear infinite, washDrift 23s ease-in-out infinite alternate; }
  @keyframes washHue { to { filter: hue-rotate(360deg); } }
  @keyframes washDrift { from { transform: translate(-2%, -1.5%) scale(1); } to { transform: translate(2%, 1.5%) scale(1.09); } }

  .ghost { text-shadow: 0.038em 0.028em 0 oklch(0.72 0.24 350 / 0.55), -0.038em -0.024em 0 oklch(0.8 0.16 230 / 0.55); }
  .ghost.animate { animation: ghostShift 6s ease-in-out infinite alternate; }
  @keyframes ghostShift {
    from { text-shadow: 0.038em 0.028em 0 oklch(0.72 0.24 350 / 0.55), -0.038em -0.024em 0 oklch(0.8 0.16 230 / 0.55); }
    to { text-shadow: -0.045em 0.032em 0 oklch(0.85 0.21 125 / 0.6), 0.045em -0.028em 0 oklch(0.74 0.18 305 / 0.55); }
  }

  /* riskier identity boards */
  .poster-glitch { position: relative; display: inline-block; isolation: isolate; line-height: 0.94; }
  .poster-glitch .gbase { position: relative; z-index: 2; display: inline-block; }
  .poster-glitch .gslice {
    position: absolute; inset: 0; z-index: 1; pointer-events: none;
    clip-path: inset(var(--ctop) 0 var(--cbot) 0);
    transform: translateX(var(--dx)); opacity: 0.78; mix-blend-mode: multiply;
  }
  .poster.spectrum .poster-glitch .gslice { mix-blend-mode: normal; }
  .poster.moving .poster-glitch .gslice { animation: sliceSlip 2.8s ease-in-out infinite alternate; animation-delay: var(--gd); }
  @keyframes sliceSlip { from { transform: translateX(var(--dx)); } to { transform: translateX(calc(var(--dx) * -0.65)); } }

  .forward-field { position: relative; flex: 1; min-height: 420px; border: 1.5px solid var(--prule); background: color-mix(in oklab, var(--psurface) 72%, transparent); overflow: hidden; }
  .forward-edge { position: absolute; height: 2px; transform-origin: left center; background: var(--prule); opacity: 0.5; }
  .forward-edge.is-hot { background: var(--ivideo); opacity: 0.95; box-shadow: 0 0 16px var(--ivideo); }
  .forward-node { position: absolute; width: 34px; height: 34px; border-radius: 50%; border: 2px solid var(--itext); background: var(--pbg); color: var(--itext); display: grid; place-items: center; font-family: "IBM Plex Mono", monospace; font-size: 11px; font-weight: 600; }
  .forward-node.is-hot { border-color: var(--ivideo); color: var(--ivideo); box-shadow: 0 0 0 8px var(--ivideo-tint), 0 0 18px var(--ivideo); }

  @media (prefers-reduced-motion: reduce) {
    .wash.animate, .ghost.animate, .poster.moving .poster-glitch .gslice { animation: none; }
  }

/* ===================================================================
   Consolidated poster page chrome
   =================================================================== */

/* ---- hero ---- */
.poster-hero {
  padding: clamp(40px, 6vw, 78px) 0 clamp(30px, 4vw, 52px);
  border-bottom: 1px solid var(--rule);
  background: linear-gradient(115deg, color-mix(in oklab, var(--accent) 8%, transparent), transparent 44%), var(--bg);
}
.poster-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(200px, 320px);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
}
.poster-hero .sess-title { font-size: clamp(42px, 7.5vw, 84px); max-width: 9ch; }
.poster-hero .sess-lede { max-width: 54ch; }
.poster-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.hero-preview {
  border: 1px solid var(--rule); background: var(--surface);
  aspect-ratio: 85 / 110; display: grid; place-items: center; overflow: hidden;
}
.hero-preview img { width: 100%; height: 100%; object-fit: contain; display: block; }

/* ---- shared studio parts ---- */
.studio { position: relative; }

.studio-layouts {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 22px; flex-wrap: wrap;
}
.studio-layouts .sl-label {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin-right: 4px;
}
.studio-layouts button {
  appearance: none; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em;
  text-transform: uppercase; background: transparent; color: var(--ink-soft);
  border: 1px solid var(--rule); padding: 7px 14px; cursor: pointer; margin-left: -1px;
}
.studio-layouts button:first-of-type { margin-left: 0; }
.studio-layouts button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }

.zone-h {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 12px;
}

/* design rail */
.template-rail { display: flex; flex-direction: column; gap: 8px; }
.template-chip {
  appearance: none; border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
  padding: 11px 13px; display: grid; grid-template-columns: auto 1fr; gap: 2px 11px;
  text-align: left; cursor: pointer; align-items: center;
}
.template-chip .tc-code {
  grid-row: span 2; font-family: var(--font-mono); color: var(--accent);
  font-size: 0.72rem; letter-spacing: 0.06em; align-self: center; min-width: 30px;
}
.template-chip b { font-size: 0.94rem; line-height: 1.15; }
.template-chip small {
  font-family: var(--font-mono); color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.07em; font-size: 0.64rem;
}
.template-chip:hover { border-color: var(--ink); }
.template-chip.on { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.template-chip.on small, .template-chip.on .tc-code { color: color-mix(in oklab, var(--bg) 76%, var(--accent)); }

/* preview */
.zone-preview { min-width: 0; }
.board-label {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin: 0 0 8px; display: flex; justify-content: space-between; gap: 12px;
}
.board-label > span { white-space: nowrap; }
.dl-toggle { white-space: nowrap; }
.stage { position: relative; width: 100%; border: 1px solid var(--rule); overflow: hidden; background: var(--surface-2); }
.stage .art { position: absolute; top: 0; left: 0; transform-origin: top left; }

/* style controls */
.controls-inner { display: grid; grid-template-columns: 1fr; gap: 12px; }
.ctl { display: grid; grid-template-columns: 76px minmax(0, 1fr); gap: 10px; align-items: start; }
.ctl .lbl {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--muted); padding-top: 8px;
}
.seg { display: flex; width: 100%; }
.seg button {
  flex: 1; appearance: none; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  text-transform: uppercase; background: transparent; color: var(--ink-soft);
  border: 1px solid var(--rule); padding: 7px 8px; cursor: pointer; margin-left: -1px;
}
.seg button:first-child { margin-left: 0; }
.seg button.on { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.ctl select {
  width: 100%; font-family: var(--font-mono); font-size: 11.5px; border: 1px solid var(--rule);
  background: var(--surface); color: var(--ink); padding: 8px;
}

.adv { margin-top: 4px; border-top: 1px solid var(--rule); padding-top: 12px; }
.adv > summary {
  cursor: pointer; list-style: none; font-family: var(--font-mono); font-size: 10.5px;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
  display: flex; align-items: center; gap: 8px;
}
.adv > summary::-webkit-details-marker { display: none; }
.adv > summary::before { content: "+"; font-size: 13px; color: var(--accent); }
.adv[open] > summary::before { content: "–"; }
.adv-controls { display: grid; grid-template-columns: 1fr; gap: 12px; margin-top: 14px; }

/* download dock */
.zone-download { min-width: 0; }
.dl-note { font-size: 0.86rem; line-height: 1.5; color: var(--ink-soft); margin: 0 0 12px; }
.dl-note b { color: var(--ink); }
.dl-note.dl-warn { border-left: 2px solid var(--accent); padding-left: 12px; }
.dl-note a { color: var(--accent); }
.dl-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.dl-btn {
  display: flex; flex-direction: column; gap: 3px; align-items: flex-start; justify-content: center;
  min-height: 48px; padding: 8px 12px; border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
  font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; text-decoration: none;
}
.dl-btn small { font-size: 0.62rem; letter-spacing: 0.04em; color: var(--muted); text-transform: none; }
.dl-btn:hover { border-color: var(--accent); color: var(--accent); }
.dl-btn:hover small { color: var(--accent); }

.dl-toggle {
  appearance: none; margin-top: 12px; background: transparent; border: 0; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--accent); padding: 4px 0;
}
.dl-toggle:hover { color: var(--ink); }
.gen-wrap { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--rule); }

.gen-controls { display: grid; gap: 11px; }
.gen-row { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.gen-field { display: grid; gap: 5px; }
.gen-field > span { font-family: var(--font-mono); font-size: 0.64rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.gen-field select, .gen-field input {
  min-height: 38px; border: 1px solid var(--rule); background: var(--bg); color: var(--ink);
  padding: 8px 10px; font-family: var(--font-mono); font-size: 0.82rem;
}
.gen-controls .btn { width: 100%; justify-content: center; }
.gen-status { min-height: 1.4em; font-size: 0.8rem; line-height: 1.45; color: var(--ink-soft); margin: 0; }

.capture-bin { position: fixed; left: -20000px; top: 0; width: 1px; height: 1px; overflow: visible; pointer-events: none; }
.capture-art { position: absolute; left: 0; top: 0; transform-origin: top left; }

/* ===================================================================
   Layout directions — set on .studio[data-layout]
   Zones: .zone-rail / .zone-preview / .zone-controls / .zone-download
   =================================================================== */
.studio-grid { display: grid; gap: 24px 28px; align-items: start; }

/* A — SPLIT: control column left, tall preview right */
.studio[data-layout="split"] .studio-grid {
  grid-template-columns: minmax(290px, 340px) minmax(0, 1fr);
  grid-template-areas:
    "rail     preview"
    "controls preview"
    "download preview";
  grid-template-rows: auto auto 1fr;
}
.studio[data-layout="split"] .zone-rail { grid-area: rail; }
.studio[data-layout="split"] .zone-controls { grid-area: controls; }
.studio[data-layout="split"] .zone-download { grid-area: download; }
.studio[data-layout="split"] .zone-preview {
  grid-area: preview; position: sticky; top: 84px;
  border: 1px solid var(--rule); background: var(--surface); padding: 16px;
}
.studio[data-layout="split"] .zone-preview .stage { background: var(--surface-2); }

/* B — STAGE: rail strip on top, centred preview, controls + download below */
.studio[data-layout="stage"] .studio-grid {
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "rail" "preview" "controls" "download";
  gap: 22px;
}
.studio[data-layout="stage"] .zone-rail { grid-area: rail; }
.studio[data-layout="stage"] .zone-preview { grid-area: preview; }
.studio[data-layout="stage"] .zone-controls { grid-area: controls; }
.studio[data-layout="stage"] .zone-download { grid-area: download; }
.studio[data-layout="stage"] .template-rail {
  flex-direction: row; flex-wrap: wrap; gap: 8px;
}
.studio[data-layout="stage"] .template-chip {
  flex: 1 1 150px; grid-template-columns: auto 1fr; min-width: 140px;
}
.studio[data-layout="stage"] .zone-preview {
  border: 1px solid var(--rule); background: var(--surface); padding: 18px 18px 20px;
}
.studio[data-layout="stage"] .zone-preview .stage { background: var(--surface-2); }
.studio[data-layout="stage"] .studio-stagewrap { max-width: 460px; margin: 0 auto; }
.studio[data-layout="stage"] .zone-controls,
.studio[data-layout="stage"] .zone-download {
  border: 1px solid var(--rule); background: var(--surface); padding: 18px;
}
.studio[data-layout="stage"] .controls-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
.studio[data-layout="stage"] .adv { grid-column: 1 / -1; }
.studio[data-layout="stage"] .adv-controls { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
.studio[data-layout="stage"] .dl-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* C — DOCK: dominant preview left, ruled spec dock right */
.studio[data-layout="dock"] .studio-grid {
  grid-template-columns: minmax(0, 1fr) minmax(312px, 372px);
  grid-template-areas:
    "preview rail"
    "preview controls"
    "preview download";
  grid-template-rows: auto auto 1fr;
}
.studio[data-layout="dock"] .zone-preview {
  grid-area: preview; position: sticky; top: 84px;
  border: 1px solid var(--rule); background: var(--surface); padding: 20px;
}
.studio[data-layout="dock"] .zone-preview .stage { background: var(--surface-2); }
.studio[data-layout="dock"] .zone-rail { grid-area: rail; }
.studio[data-layout="dock"] .zone-controls { grid-area: controls; }
.studio[data-layout="dock"] .zone-download { grid-area: download; }
.studio[data-layout="dock"] .zone-rail,
.studio[data-layout="dock"] .zone-controls,
.studio[data-layout="dock"] .zone-download {
  border-top: 2px solid var(--ink); padding-top: 16px;
}
.studio[data-layout="dock"] .zone-h { color: var(--ink); font-weight: 600; }

/* ---- responsive ---- */
@media (max-width: 900px) {
  .poster-hero-grid { grid-template-columns: 1fr; }
  .hero-preview { max-width: 300px; }
  .studio[data-layout="split"] .studio-grid,
  .studio[data-layout="dock"] .studio-grid {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: "rail" "preview" "controls" "download";
    grid-template-rows: auto;
  }
  .studio[data-layout="split"] .zone-preview,
  .studio[data-layout="dock"] .zone-preview { position: static; }
  .studio[data-layout="dock"] .zone-rail,
  .studio[data-layout="dock"] .zone-controls,
  .studio[data-layout="dock"] .zone-download { border-top: 1px solid var(--rule); padding-top: 14px; }
}

@media (max-width: 560px) {
  .poster-hero .wrap, main .wrap, .footer .wrap {
    width: min(342px, calc(100% - 48px)); max-width: 342px; margin-left: 24px; margin-right: 24px;
  }
  .poster-hero .sess-kicker, .poster-hero .sess-lede { max-width: calc(100vw - 48px) !important; overflow-wrap: anywhere; }
  .poster-actions .btn { width: 100%; justify-content: center; }
  .studio[data-layout="stage"] .controls-inner,
  .studio[data-layout="stage"] .adv-controls { grid-template-columns: 1fr; }
  .studio[data-layout="stage"] .template-chip { flex-basis: 100%; }
  .dl-grid, .studio[data-layout="stage"] .dl-grid { grid-template-columns: 1fr 1fr; }
  .ctl { grid-template-columns: 68px minmax(0, 1fr); }
  .nav .lm-project-btn {
    position: fixed !important; top: auto !important; left: auto !important; right: 14px !important;
    bottom: 14px !important; z-index: 80 !important; background: var(--bg); box-shadow: 0 0 0 2px var(--bg);
  }
}