/* Doublespeak v5 — Operations Board.
   Aesthetic target: airport split-flap departure display.
   Single-screen. Mechanical character cells. No vertical scroll on L1.
   Detail panel slides up from below the board on cluster select. */

:root {
  /* Board palette — warm board-black with cream-character ink + amber + alert red */
  --board-black:   #0c0c0a;       /* main board background */
  --board-slat:    #131312;       /* subtle row slat divider */
  --board-rail:    #181715;       /* slightly lifted surface (header / footer) */
  --char-cream:    #f4f0e6;       /* warm split-flap character ink */
  --char-shadow:   #c5beac;       /* slightly dimmed character (sub) */
  --amber-live:    #ffb01a;       /* amber accent (LIVE / focus / on-change) */
  --amber-dim:     #6b4f10;       /* amber on dim/dark surfaces */
  --alert-red:     #d93128;       /* warning red (peak / alert) */
  --alert-red-dim: #4a1410;       /* red on dim */
  --hairline:      #2a2823;       /* row dividers */
  --hairline-soft: #1a1916;       /* softest line */
  --dim-text:      #8c867a;       /* secondary text */
  --faint-text:    #5d584f;       /* tertiary text */

  /* Inverted palette for detail panel — cream surface inside the dark world */
  --d-paper:       #f5f0e2;       /* detail-panel surface */
  --d-paper-2:     #fbf7ec;       /* card surface within detail */
  --d-ink:         #1a1410;       /* detail-panel ink */
  --d-muted:       #756b5c;
  --d-faint:       #a8a092;
  --d-line:        #d4c9b0;
  --d-line-strong: #2a2218;
  --d-red:         #6e1a12;       /* deeper red for the cream surface */

  --max:    1480px;
  --pad-x:  clamp(16px, 2.4vw, 36px);

  /* Type — system fonts that look like real airport board characters */
  --font-display: "Helvetica Neue", "Helvetica Neue Condensed", "Arial Narrow", Helvetica, Arial, sans-serif;
  --font-text:    "Charter", "Iowan Old Style Text", Georgia, "Times New Roman", serif;
  --font-mono:    ui-monospace, "SF Mono", Menlo, "JetBrains Mono", Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--board-black);
  color: var(--char-cream);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* Reserve room for fixed top + bottom bars (the existing booth chrome).
     bar-bottom in practice is ~78-92px tall (sku strip + form row + msg line). */
  padding-top: 52px;
  padding-bottom: 96px;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; }
button { font: inherit; }
.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

/* ===== Existing booth top + bottom bars — adapt to board palette ===== */

.bar {
  position: fixed; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center;
  background: rgba(8, 8, 6, 0.9);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.bar-top {
  top: 0; height: 52px;
  padding: 0 clamp(12px, 1.8vw, 24px);
  border-bottom: 1px solid var(--hairline);
  justify-content: space-between;
}
.bar-bottom {
  bottom: 0; min-height: 60px;
  padding: 8px clamp(12px, 1.8vw, 24px);
  border-top: 1px solid var(--hairline);
  flex-direction: column; align-items: stretch; gap: 4px;
}

.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 28px; height: 28px;
  background: var(--char-cream); color: var(--board-black);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 900; font-size: 12px;
  letter-spacing: 0.04em;
}
.brand-name {
  color: var(--char-cream);
  font-family: var(--font-display); font-weight: 800;
  font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase;
}
.bar-nav { display: none; }      /* v5: top nav unused; mission ticker carries the same content */

.bar-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  color: var(--dim-text); text-transform: uppercase;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--amber-live);
  box-shadow: 0 0 12px rgba(255, 176, 26, 0.6);
}

.bar-bottom-skus {
  display: flex; gap: 14px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em;
  color: var(--dim-text); text-transform: uppercase;
}
.bar-bottom-skus span::before { content: "▸ "; color: var(--amber-live); }

.bar-bottom-form {
  display: flex; align-items: center; gap: 8px; width: 100%;
}
#leadEmail {
  flex: 1 1 auto; min-width: 0;
  background: var(--board-rail); color: var(--char-cream);
  border: 1px solid var(--hairline);
  padding: 9px 12px; font: 13px var(--font-mono); letter-spacing: 0.04em;
  outline: none;
}
#leadEmail:focus { border-color: var(--amber-live); }
#leadEmail::placeholder { color: var(--faint-text); }
.lead-submit {
  background: var(--char-cream); color: var(--board-black);
  border: 1px solid var(--char-cream);
  padding: 9px 16px; cursor: pointer;
  font: 800 12px var(--font-display); letter-spacing: 0.1em; text-transform: uppercase;
  transition: background 0.15s, color 0.15s;
}
.lead-submit:hover { background: var(--amber-live); border-color: var(--amber-live); }
.lead-qr {
  background: transparent; color: var(--char-cream);
  border: 1px solid var(--hairline);
  width: 38px; height: 38px;
  display: grid; place-items: center;
  cursor: pointer; padding: 0;
}
.lead-qr svg { width: 18px; height: 18px; fill: currentColor; }
.lead-qr:hover { border-color: var(--amber-live); color: var(--amber-live); }

.bar-bottom-msg {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em;
  color: var(--dim-text); min-height: 14px;
}

.app-loading { padding: 40px 24px; color: var(--dim-text); font-family: var(--font-mono); letter-spacing: 0.08em; }

/* ===== App main as fixed grid layout — masthead + ticker + board + detail ===== */

#appMain {
  display: grid;
  grid-template-rows: auto auto 1fr;
  min-height: calc(100vh - 52px - 96px);
  width: 100%;
  position: relative;
}

/* ===== Masthead ===== */

.board-masthead {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
  padding: clamp(14px, 1.6vh, 22px) clamp(20px, 2.4vw, 36px);
  border-bottom: 1px solid var(--hairline);
  background: var(--board-black);
}
.masthead-left { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.masthead-tag {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em;
  color: var(--amber-live); text-transform: uppercase;
}
.masthead-title {
  display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px;
  font-family: var(--font-display); color: var(--char-cream);
}
.mt-line {
  font-weight: 900; font-size: clamp(18px, 1.8vw, 26px); letter-spacing: 0.04em;
  text-transform: uppercase;
}
.mt-sep { color: var(--dim-text); font-weight: 400; }
.mt-meta {
  font-weight: 500; font-size: clamp(12px, 1.0vw, 14px); letter-spacing: 0.06em;
  color: var(--char-shadow); text-transform: uppercase;
}

.masthead-right {
  display: flex; align-items: center; gap: 18px;
  flex-shrink: 0;
}
.masthead-clock {
  font-family: var(--font-mono); font-weight: 600;
  font-size: clamp(16px, 1.6vw, 22px);
  color: var(--char-cream); letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" on, "lnum" on;
}
.masthead-status {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em;
  color: var(--char-shadow); text-transform: uppercase;
}
.live-dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--amber-live);
  box-shadow: 0 0 10px rgba(255, 176, 26, 0.55), 0 0 22px rgba(255, 176, 26, 0.25);
  animation: live-pulse 2.2s ease-in-out infinite;
}
@keyframes live-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.85); }
}

/* ===== Ticker ===== */

.board-ticker {
  display: flex; align-items: center; gap: 16px;
  padding: 8px clamp(20px, 2.4vw, 36px);
  border-bottom: 1px solid var(--hairline);
  background: var(--board-black);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase;
  min-height: 36px;
}
.ticker-label {
  color: var(--alert-red); font-weight: 700;
  letter-spacing: 0.18em;
  flex: 0 0 auto;
}
.ticker-bar { width: 1px; height: 14px; background: var(--hairline); flex: 0 0 auto; }
.ticker-text {
  color: var(--char-cream); font-weight: 500;
  letter-spacing: 0.08em;
  flex: 1 1 auto; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: inline-block;
  transition: opacity 0.28s ease, transform 0.28s ease;
}
.ticker-text.flap-out { opacity: 0; transform: translateY(-6px); }
.ticker-text.flap-in  { opacity: 1; transform: translateY(0); animation: flap-fade-in 0.32s ease both; }
@keyframes flap-fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Board frame ===== */

.board-frame {
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--board-black);
  padding: clamp(8px, 1vh, 16px) clamp(20px, 2.4vw, 36px) clamp(8px, 1vh, 16px);
  min-height: 0;
  overflow: hidden;
}

.board-thead, .board-row {
  display: grid;
  /* CH | OPERATION | ROLE | VOL | RU% | PRC% | PEAK | STATUS */
  grid-template-columns:
    66px            /* CH */
    minmax(220px, 2fr)  /* NAME */
    80px            /* ROLE */
    88px            /* VOL */
    80px            /* RU% */
    80px            /* PRC% */
    132px           /* PEAK */
    minmax(120px, auto); /* STATUS */
  gap: 0;
  align-items: center;
  /* Tighter rows: 14 + thead + foot must fit in available vertical space.
     Available ≈ 100vh - 52(top bar) - 96(bottom) - ~80(masthead) - 36(ticker) - 16(pad) ≈ 100vh-280px.
     On a 900px viewport that's 620px for thead+rows+foot. 14 rows + thead at 38px = 570px. */
  height: clamp(34px, 4.0vh, 44px);
}

.board-thead {
  background: var(--board-rail);
  border-top: 1px solid var(--hairline);
  border-bottom: 1px solid var(--hairline);
}
.th {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.22em;
  color: var(--dim-text); text-transform: uppercase;
  padding: 0 14px;
}
.th.name { letter-spacing: 0.16em; }
.th.vol, .th.ru, .th.prc { text-align: right; }
.th.peak { text-align: left; }
.th.status { text-align: right; }

/* Rows scroll within their container if 14 don't fit (small viewport).
   On a 1440x900 booth Mac they fit cleanly. */
.board-rows {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--hairline) transparent;
}

.board-row {
  text-decoration: none;
  color: inherit;
  border-bottom: 1px solid var(--hairline-soft);
  cursor: pointer;
  transition: background 0.15s, opacity 0.2s, transform 0.15s;
  position: relative;
  /* Split-flap entrance: each row staggered by --row-delay set inline */
  animation: row-flap-in 0.55s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: var(--row-delay, 0ms);
}
@keyframes row-flap-in {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.board-row:nth-child(even) { background: var(--board-slat); }
.board-row:hover {
  background: rgba(255, 176, 26, 0.06);
}
.board-row:hover::before {
  content: ""; position: absolute; inset: 0 0 0 0;
  border-left: 3px solid var(--amber-live);
  pointer-events: none;
}
.board-row.is-faded { opacity: 0.32; pointer-events: none; }
.board-row.is-active {
  background: rgba(255, 176, 26, 0.1);
  outline: 1px solid var(--amber-live);
  outline-offset: -1px;
  z-index: 2;
}
.board-row.is-active::before {
  content: "▸"; position: absolute; left: -16px; top: 50%; transform: translateY(-50%);
  color: var(--amber-live); font-family: var(--font-display); font-size: 18px;
}

/* Cells — each is a "character cell" of the split-flap board */
.cell {
  padding: 0 14px;
  font-family: var(--font-display); font-weight: 800;
  letter-spacing: 0.06em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" on, "lnum" on;
  white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
  color: var(--char-cream);
}
.cell.ch     { font-size: 15px; color: var(--amber-live); letter-spacing: 0.1em; }
.cell.name   { font-size: 14.5px; letter-spacing: 0.04em; }
.cell.role   { font-size: 11px; letter-spacing: 0.18em; color: var(--char-shadow); }
.cell.vol    { font-size: 14.5px; text-align: right; }
.cell.ru     { font-size: 13px; text-align: right; color: var(--alert-red); }
.cell.prc    { font-size: 13px; text-align: right; color: var(--amber-live); }
.cell.peak   { font-size: 11.5px; color: var(--dim-text); letter-spacing: 0.06em; }
.cell.status { font-size: 11px; text-align: right; color: var(--amber-live); letter-spacing: 0.16em; }

/* When VOL is high (visual cue) — none yet, but space for future */
.cell.flapping {
  color: var(--amber-live);
  text-shadow: 0 0 8px rgba(255, 176, 26, 0.5);
}

/* Role-tinted left edge per row (optional accent) */
.board-row.role-seed::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--alert-red); opacity: 0.5; }
.board-row.role-lead::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--amber-live); opacity: 0.5; }
.board-row.role-grss::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: #5e9eff; opacity: 0.5; }
.board-row.role-slnt::after { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--dim-text); opacity: 0.4; }
.board-row.is-faded::after { opacity: 0.15; }
.board-row.is-active::after { opacity: 1; }

/* Board footer — role legend */
.board-foot {
  display: flex; flex-wrap: wrap; align-items: center; gap: 18px;
  padding: 10px 14px; margin-top: 6px;
  background: var(--board-rail);
  border-top: 1px solid var(--hairline);
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em;
  color: var(--dim-text); text-transform: uppercase;
}
.bf-key { color: var(--char-shadow); font-weight: 700; }
.bf-key-item { display: flex; align-items: center; gap: 6px; }
.bf-key-item::before {
  content: ""; width: 8px; height: 8px; flex: 0 0 8px; border-radius: 1px;
}
.bf-key-item.role-seed::before { background: var(--alert-red); }
.bf-key-item.role-lead::before { background: var(--amber-live); }
.bf-key-item.role-grss::before { background: #5e9eff; }
.bf-key-item.role-slnt::before { background: var(--dim-text); }

/* ===== Detail panel — slides up from below the board ===== */

.board-detail {
  position: fixed;
  left: 0; right: 0;
  bottom: 96px;          /* sit above the lead-form bottom bar (matches body padding) */
  top: clamp(180px, 38vh, 360px);   /* leave masthead + ticker + top of board visible above */
  z-index: 50;
  background: var(--d-paper);
  color: var(--d-ink);

  /* Inverted palette inside the detail — light cream report on dark stage */
  --paper:        var(--d-paper);
  --sheet:        var(--d-paper-2);
  --ink:          var(--d-ink);
  --muted:        var(--d-muted);
  --faint:        var(--d-faint);
  --line:         var(--d-line);
  --line-strong:  var(--d-line-strong);
  --red:          var(--d-red);

  display: flex;
  flex-direction: column;

  /* Slide-up via transform + opacity (no display:none — would kill the transition) */
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.36s cubic-bezier(0.2, 0.7, 0.2, 1),
              opacity 0.24s ease,
              visibility 0s linear 0.36s;
  border-top: 4px solid var(--amber-live);
  box-shadow: 0 -32px 72px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}
.board-detail.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.36s cubic-bezier(0.2, 0.7, 0.2, 1),
              opacity 0.24s ease,
              visibility 0s linear 0s;
}
.board-detail[hidden] { display: flex; }   /* override the [hidden]{display:none} default — we control visibility via classes */

.detail-close {
  position: absolute;
  top: 14px; right: 18px;
  z-index: 5;
  background: var(--d-paper);
  color: var(--d-red);
  border: 1px solid var(--d-red);
  border-radius: 999px;
  padding: 7px 14px;
  font: 700 11px var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.detail-close:hover { background: var(--d-red); color: var(--d-paper); }

.detail-loading {
  padding: 40px;
  color: var(--d-muted);
  font-family: var(--font-mono); letter-spacing: 0.12em; text-transform: uppercase;
  font-size: 12px;
}
.detail-error { color: var(--d-red); }

/* Cluster detail content (existing renderClusterDetail output) — re-style for v5 panel */
.board-detail .cluster-detail {
  background: transparent;
  color: var(--d-ink);
  padding: 0;
  border: 0;
  overflow-y: auto;
  flex: 1 1 auto;
}
.board-detail .cluster-back-wrap { display: none; } /* the .detail-close button replaces it */

.board-detail .cluster-banner {
  padding: clamp(28px, 4vh, 48px) clamp(28px, 3.5vw, 64px) clamp(20px, 3vh, 32px);
  border-bottom: 1px solid var(--d-line);
  background: var(--d-paper-2);
}
.board-detail .cluster-banner-top {
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  color: var(--d-muted); text-transform: uppercase;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--d-line);
  margin-bottom: 18px;
}
.board-detail .cluster-banner-top .vol { color: var(--d-red); font-weight: 700; }
.board-detail .cluster-banner-top .role-tag { color: var(--amber-dim); font-weight: 700; }
.board-detail .cluster-name {
  font-family: var(--font-text);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 72px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--d-ink);
  margin: 0 0 14px;
  max-width: 22ch;
}
.board-detail .cluster-punch {
  font-family: var(--font-text);
  font-weight: 400; font-style: italic;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.45;
  color: var(--d-ink);
  max-width: 60ch;
  border-left: 3px solid var(--d-red);
  padding-left: 18px;
  margin: 0 0 22px;
}
.board-detail .cluster-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--d-line);
  padding-top: 18px;
  gap: 0;
}
.board-detail .cstat { padding: 0 16px; border-right: 1px solid var(--d-line); }
.board-detail .cstat:first-child { padding-left: 0; }
.board-detail .cstat:last-child { border-right: 0; padding-right: 0; }
.board-detail .cstat .v {
  display: block;
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(24px, 3vw, 44px); line-height: 1;
  color: var(--d-ink); letter-spacing: -0.02em;
}
.board-detail .cstat .l {
  display: block; margin-top: 8px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.14em;
  color: var(--d-muted); text-transform: uppercase;
  line-height: 1.3;
}

.board-detail .cluster-triad {
  padding: clamp(20px, 3vh, 32px) clamp(28px, 3.5vw, 64px);
  border-bottom: 1px solid var(--d-line);
}
.board-detail .triad-eyebrow {
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--amber-dim);
}
.board-detail .stories-section {
  padding: clamp(20px, 3vh, 32px) clamp(28px, 3.5vw, 64px);
}

/* ===== Drawer (story L3) — keep dark behind content but content stays light ===== */
.drawer { position: fixed; inset: 0; z-index: 300; display: none; }
.drawer[aria-hidden="false"] { display: block; }
.drawer-backdrop {
  position: absolute; inset: 0;
  background: rgba(8, 6, 4, 0.78);
  backdrop-filter: blur(4px);
  border: 0; cursor: pointer;
}
.drawer-panel {
  position: absolute; right: 0; top: 0; bottom: 0;
  width: min(720px, 92vw);
  background: var(--d-paper-2); color: var(--d-ink);
  overflow-y: auto;
  border-left: 1px solid var(--hairline);
  box-shadow: -16px 0 48px rgba(0, 0, 0, 0.6);
  --paper: var(--d-paper); --sheet: var(--d-paper-2); --ink: var(--d-ink);
  --muted: var(--d-muted); --faint: var(--d-faint);
  --line: var(--d-line); --line-strong: var(--d-line-strong); --red: var(--d-red);
}

/* ===== QR popover ===== */
.qr-popover { position: fixed; inset: 0; z-index: 400; display: grid; place-items: center;
  background: rgba(8, 6, 4, 0.7); backdrop-filter: blur(4px); }
.qr-popover[hidden] { display: none; }
.qr-popover-card {
  background: var(--d-paper-2); color: var(--d-ink);
  border: 1px solid var(--d-line-strong);
  padding: 24px; max-width: 360px; text-align: center;
  font-family: var(--font-text);
}
.qr-popover-card strong { display: block; margin-bottom: 12px; font-family: var(--font-display); font-weight: 800; letter-spacing: 0.05em; }
.qr-canvas { width: 200px; height: 200px; margin: 0 auto 12px; background: white; }
.qr-close {
  margin-top: 14px; background: var(--d-ink); color: var(--d-paper);
  border: 0; padding: 8px 16px; cursor: pointer;
  font: 700 11px var(--font-mono); letter-spacing: 0.18em; text-transform: uppercase;
}
.qr-close:hover { background: var(--d-red); }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .board-thead, .board-row {
    grid-template-columns: 56px minmax(160px, 2fr) 80px 80px 64px 64px 110px minmax(110px, auto);
  }
  .cell.peak { font-size: 11px; }
  .mt-meta { display: none; }
}
@media (max-width: 820px) {
  body { padding-top: 48px; padding-bottom: 56px; }
  .bar-top { height: 48px; }
  .board-masthead { grid-template-columns: 1fr; }
  .masthead-right { justify-content: flex-end; }
  .board-thead, .board-row {
    /* Mobile: hide PEAK + ROLE; keep CH NAME VOL RU% PRC% STATUS */
    grid-template-columns: 44px minmax(120px, 2fr) 72px 56px 56px minmax(96px, auto);
  }
  .th.role, .th.peak, .cell.role, .cell.peak { display: none; }
  .board-foot { font-size: 9.5px; gap: 12px; }
}

/* end v5 */