/* ============================================================
   MOBILE — responsive layer. Loaded LAST so it overrides others.
   Desktop: bottom nav hidden, layout unchanged.
   <=920px: rail → fixed bottom tab bar; grids collapse; gutters shrink.
   ============================================================ */

/* bottom tab bar — only shown on small screens (see media query) */
.mnav { display: none; }
.mnav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  background: none; border: 0; cursor: pointer; padding: 6px 2px; min-width: 0;
  color: var(--muted); font-family: var(--font-mono); font-size: 9.5px;
  letter-spacing: .04em; text-transform: uppercase;
}
.mnav-item.active { color: var(--clay); }
[data-theme="dark"] .mnav-item.active { color: color-mix(in oklab, var(--clay) 88%, #fff); }
.mnav-fab {
  flex: 0 0 auto; width: 46px; height: 46px; border-radius: 50%;
  background: var(--clay); color: #fff; border: 0; cursor: pointer;
  display: grid; place-items: center; margin: -14px 4px 0;
  box-shadow: 0 4px 14px -2px color-mix(in oklab, var(--clay) 60%, transparent), inset 0 1px 0 #ffffff2a;
  transition: transform .06s;
}
.mnav-fab:active { transform: translateY(1px); }

@media (max-width: 920px) {
  /* ---- shell: single column + room for the bottom bar ---- */
  .app { grid-template-columns: 1fr; height: 100dvh; }
  .rail { display: none; }
  .main { padding-bottom: 70px; }
  .mnav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
    display: flex; align-items: center; justify-content: space-around; gap: 4px;
    padding: 6px 10px calc(6px + env(safe-area-inset-bottom));
    background: color-mix(in oklab, var(--panel) 94%, transparent);
    backdrop-filter: blur(12px) saturate(1.2);
    border-top: var(--hair) solid var(--border);
  }

  /* ---- tighter gutters + header ---- */
  .phead-in { padding: 13px 16px 12px; flex-wrap: wrap; gap: 12px; }
  .phead h1 { font-size: 19px; }
  .phead-actions { gap: 8px; }
  .main-inner { padding: 0 16px 40px; }
  .cal-page, .dayview { padding-top: 16px; }

  /* ---- analyse → single column ---- */
  .an-grid { grid-template-columns: 1fr; gap: 16px; }
  .an-grid .span2 { grid-column: span 1; }
  .ring-wrap { gap: 18px; }
  .bar-row { grid-template-columns: 44px 1fr 80px; gap: 10px; }
  .freq-row { grid-template-columns: 104px 1fr 64px; gap: 10px; }

  /* ---- calendar: drop the weekly column, shrink cells ---- */
  .cal-grid { grid-template-columns: repeat(7, 1fr); gap: 4px; }
  .cal-dow-week, .cal-week { display: none; }
  .cal-dow { padding: 2px 2px 6px; font-size: 8.5px; letter-spacing: .03em; }
  .cal-cell { min-height: 58px; padding: 5px 6px; gap: 2px; border-radius: 5px; }
  .cal-num { font-size: 10px; }
  .cal-todaytag { display: none; }
  .cal-pnl { font-size: 11px; }
  .cal-count { display: none; }
  .cal-legend { gap: 14px; font-size: 11px; flex-wrap: wrap; }
  .cal-legend-hint { display: none; }
  .cal-month { font-size: 17px; min-width: 0; }
  .cal-today-btn { padding: 7px 10px; }

  /* ---- summaries: stack hero + 2-up stat grid ---- */
  .cal-summary { flex-direction: column; align-items: stretch; gap: 18px; }
  .cal-sum-stats, .dv-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 20px; }
  .cal-sum-net, .dv-net { font-size: 30px; }
  .cal-sum-hero { min-width: 0; }
  .dv-head { gap: 12px; }
  .dv-date { font-size: 20px; white-space: normal; }

  /* ---- ledger rows: keep all 4 columns, tighter ---- */
  .lrow { grid-template-columns: 40px 56px 1fr auto; gap: 8px; padding: 12px 4px; }
  .lr-time { font-size: 11px; }
  .lr-inst { font-size: 13px; gap: 5px; }
  .lr-conf { gap: 8px; }
  .lr-pnl { min-width: 60px; font-size: 14px; }
  .lgroup-head { top: 62px; gap: 10px; }
  .lgroup-right { gap: 12px; }

  /* ---- modals / sheets ---- */
  .share-card { width: min(440px, 92vw); }
  .sc-pad { padding: 22px; }
  .sc-wr { font-size: 48px; }
  .sc-actions { flex-wrap: wrap; }
  .onb { padding: 16px; }
  .onb-q { font-size: 22px; }

  /* ---- landing ---- */
  .land-inner { padding: 0 18px; }
  .lnav-in { padding: 13px 18px; }
  .lhero-title { font-size: 33px; }
  .lhero-sub { font-size: 15px; }
  .lhero-cta { flex-wrap: wrap; }
  .lhero-cta .btn { flex: 1 1 auto; justify-content: center; }
  .lsec-title { font-size: 24px; }
  .lcta { padding: 56px 0; }
  .lcta h2 { font-size: 26px; }
  .lprev-foot { gap: 14px; flex-wrap: wrap; }
  .lfooter { flex-direction: column; gap: 10px; align-items: flex-start; }

  /* ---- auth ---- */
  .auth-main { padding: 28px 18px; }
}

/* very small phones */
@media (max-width: 380px) {
  .cal-cell { min-height: 50px; padding: 4px 4px; }
  .cal-pnl { font-size: 10px; }
  .lrow { grid-template-columns: 36px 1fr auto; }
  .lr-inst { display: none; }
}