/* ChlamAtlas — Mobile design system
   Fonts: Cormorant Garamond (display/serif) · DM Sans (UI/sans) · DM Mono (accessions/mono)
   Adapted from Claude Design handoff (design_handoff_genomes, design_handoff_mutants).
   All mobile-layout rules are inside @media (max-width:639px).
   Component classes (.mob-card, .mob-grow, etc.) are global — JS renders them into overlays
   that live outside any media-query boundary.
*/

/* ── Design tokens ── */
:root {
  --mob-pine:       #163b2b;
  --mob-pine-700:   #1d4a36;
  --mob-green:      #2f9e6e;
  --mob-green-ink:  #277a55;
  --mob-ink:        #18221c;
  --mob-ink-2:      #4a5650;
  --mob-ink-3:      #8b958f;
  --mob-line:       #e9ece9;
  --mob-line-2:     #f0f2f0;
  --mob-paper:      #ffffff;
  --mob-bg:         #f4f6f4;
  --mob-bg-warm:    #f7f8f6;

  /* Strain colors */
  --mob-s-l2:  #2f9e6e;
  --mob-s-d:   #b14a93;
  --mob-s-cm:  #3f7fc4;

  /* Typography — map to existing loaded fonts */
  --mob-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --mob-sans:  'DM Sans', -apple-system, system-ui, sans-serif;
  --mob-mono:  'DM Mono', ui-monospace, 'Courier New', monospace;

  /* Geometry */
  --mob-r-lg:   22px;
  --mob-r-md:   16px;
  --mob-r-sm:   12px;
  --mob-nav-h:  52px;
  --mob-tab-h:  70px;

  /* Shadows */
  --mob-shadow-card: 0 1px 2px rgba(20,40,30,.05), 0 6px 16px rgba(20,40,30,.04);
  --mob-shadow-pop:  0 8px 30px rgba(20,40,30,.16);
}

.mob-root, .mob-root * {
  -webkit-tap-highlight-color: transparent;
  box-sizing: border-box;
}

/* ── Force mobile-only shell elements hidden on desktop ── */
@media (min-width: 640px) {
  #mob-bar,
  #mob-nav-left,
  #mob-nav-right,
  #mob-detail,
  #mob-search,
  #mob-search-backdrop { display: none !important; }
}

/* ── Collapsing nav bar styles ── */
#mob-bar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--mob-nav-h);
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(247,248,246,.86);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: .5px solid var(--mob-line);
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
}
#mob-bar.show {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
#mob-bar-title {
  font-family: var(--mob-sans);
  font-weight: 700;
  font-size: 16px;
  color: var(--mob-ink);
  max-width: 58%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#mob-nav-left,
#mob-nav-right {
  position: fixed;
  top: 0;
  height: var(--mob-nav-h);
  z-index: 81;
  display: flex;
  align-items: center;
  gap: 4px;
}
#mob-nav-left  { left: 8px; }
#mob-nav-right { right: 10px; }

.mob-gbtn {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  border: none;
  cursor: pointer;
  background: rgba(255,255,255,.72);
  color: var(--mob-ink);
  box-shadow: 0 1px 3px rgba(0,0,0,.09), inset 0 0 0 .5px rgba(0,0,0,.06);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .12s ease;
  flex-shrink: 0;
}
.mob-gbtn:active { transform: scale(.92); }
.mob-gbtn.saved-on { color: #e8b400; }

/* ── Bottom tab bar styles ── */
#mobile-nav {
  background: rgba(252,253,252,.94) !important;
  backdrop-filter: saturate(180%) blur(22px) !important;
  -webkit-backdrop-filter: saturate(180%) blur(22px) !important;
  border-top: 1px solid rgba(0,0,0,.10) !important;
  height: var(--mob-tab-h);
  padding: 6px 4px env(safe-area-inset-bottom, 12px) !important;
  align-items: stretch !important;
  /* Sit above the detail overlay (z-60) so nav is always reachable */
  z-index: 70 !important;
}

.mob-tab-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--mob-ink-2);
  padding: 4px 0;
  transition: color .15s;
  font-family: var(--mob-sans);
}
.mob-tab-btn .mob-tab-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .01em;
}
.mob-tab-btn.active  { color: var(--mob-green); }
.mob-tab-btn:active  { transform: scale(.93); }

/* Tab icons (SVG) inherit currentColor from .mob-tab-btn */
.mob-tab-btn svg { display: block; flex-shrink: 0; }

/* ── Page/screen layout utilities ── */
@media (max-width: 639px) {
  main { padding-top: var(--mob-nav-h) !important; }

  /* Home hero bleeds edge-to-edge; hero inner padding clears nav bar */
  #tab-home.tab-panel { top: 0 !important; }

  .tab-panel {
    position: fixed !important;
    top: var(--mob-nav-h);
    left: 0; right: 0;
    bottom: var(--mob-tab-h);
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
    scrollbar-width: none;
  }
  .tab-panel::-webkit-scrollbar { display: none; }
  .tab-panel.hidden { display: none !important; }

  .mob-lt-wrap    { padding: 4px 20px 6px; }
  .mob-lt-eyebrow {
    font-family: var(--mob-mono);
    font-size: 11px;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--mob-green-ink);
    font-weight: 500;
    margin: 0 0 4px;
  }
  .mob-lt-title {
    font-family: var(--mob-serif);
    font-weight: 700;
    font-size: 38px;
    line-height: 1.02;
    color: var(--mob-ink);
    margin: 0;
    letter-spacing: -.01em;
  }
  .mob-lt-sub {
    color: var(--mob-ink-2);
    font-size: 14.5px;
    margin: 7px 0 0;
    line-height: 1.45;
  }

  .mob-pad-bottom { height: calc(var(--mob-tab-h) + 8px); }
}

/* ── Card, gene-row, chip component styles ── */
.mob-card {
  background: var(--mob-paper);
  border-radius: var(--mob-r-lg);
  margin: 12px 16px;
  padding: 16px 16px 18px;
  box-shadow: var(--mob-shadow-card);
  border: .5px solid var(--mob-line);
}
.mob-card-h {
  font-family: var(--mob-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mob-green-ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  white-space: nowrap;
  gap: 10px;
}

.mob-kv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 14px; margin-top: 14px; }
.mob-kv .mob-k {
  font-family: var(--mob-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mob-ink-3);
}
.mob-kv .mob-v {
  font-size: 17px;
  font-weight: 700;
  color: var(--mob-ink);
  margin-top: 3px;
}
.mob-kv .mob-v.sm { font-size: 15px; font-weight: 600; }

.mob-grow {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px 12px 0;
  position: relative;
  cursor: pointer;
  background: var(--mob-paper);
  transition: background .12s ease;
}
.mob-grow:active { background: #f3f6f4; }
.mob-grow .mob-bar    { width: 4px; align-self: stretch; border-radius: 0 3px 3px 0; flex: 0 0 4px; }
.mob-grow .mob-thumb  { flex: 0 0 38px; }
.mob-grow .mob-meta   { flex: 1; min-width: 0; }
.mob-grow .mob-gname  {
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 16px;
  color: var(--mob-ink);
  letter-spacing: -.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mob-grow .mob-loc {
  font-family: var(--mob-mono);
  font-weight: 400;
  font-size: 12.5px;
  color: var(--mob-ink-3);
  margin-left: 7px;
}
.mob-grow .mob-gfunc {
  font-size: 13px;
  color: var(--mob-ink-2);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mob-grow .mob-star   { flex: 0 0 auto; background: none; border: none; padding: 8px 4px; cursor: pointer; color: var(--mob-ink-3); line-height: 1; }
.mob-grow .mob-star.on { color: #e8b400; }
.mob-grow .mob-chev   { flex: 0 0 auto; color: #c8cec9; }
.mob-grow .mob-sep    { position: absolute; left: 54px; right: 16px; bottom: 0; height: .5px; background: var(--mob-line); }

.mob-stile {
  width: 38px; height: 38px;
  border-radius: 9px;
  overflow: hidden;
  background: #f2f4f6;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.04);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mob-stile img { width: 100%; height: 100%; object-fit: cover; }

.mob-chip-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 2px 16px;
  scrollbar-width: none;
}
.mob-chip-row::-webkit-scrollbar { display: none; }
.mob-chip {
  flex: 0 0 auto;
  font-family: var(--mob-sans);
  font-weight: 700;
  font-size: 13px;
  padding: 7px 13px;
  border-radius: 999px;
  border: 1.5px solid var(--mob-line);
  background: var(--mob-paper);
  color: var(--mob-ink-2);
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .12s ease;
}
.mob-chip:active { transform: scale(.95); }
.mob-chip.active { background: var(--mob-ink); color: #fff; border-color: var(--mob-ink); }
.mob-chip .mob-dot { width: 9px; height: 9px; border-radius: 3px; flex-shrink: 0; }

.mob-seg {
  display: inline-flex;
  background: #eef1ee;
  border-radius: 999px;
  padding: 3px;
  gap: 0;
  flex-shrink: 0;
}
.mob-seg-btn {
  font-family: var(--mob-sans);
  font-weight: 700;
  font-size: 12.5px;
  padding: 5px 12px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: transparent;
  color: var(--mob-ink-3);
  white-space: nowrap;
  transition: all .15s;
}
.mob-seg-btn.active {
  background: var(--mob-paper);
  color: var(--mob-ink);
  box-shadow: 0 1px 3px rgba(0,0,0,.10);
}

.mob-section-h {
  position: sticky;
  top: 0;
  z-index: 10;
  font-family: var(--mob-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--mob-ink-3);
  background: rgba(244,246,244,.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 20px 7px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: .5px solid var(--mob-line);
}
.mob-section-h .mob-sh-count { color: var(--mob-ink-3); font-weight: 400; }

/* ── Bottom-sheet and overlay styles ── */
.mob-sheet-backdrop {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(15,25,20,.34);
  display: flex;
  align-items: flex-end;
  animation: mob-fadeup .2s ease;
}
.mob-sheet {
  width: 100%;
  background: #fff;
  border-radius: 26px 26px 0 0;
  padding: 10px 16px calc(env(safe-area-inset-bottom, 14px) + 12px);
  box-shadow: 0 -8px 30px rgba(0,0,0,.2);
  max-height: 80vh;
  overflow-y: auto;
}
.mob-sheet-handle {
  width: 38px;
  height: 5px;
  border-radius: 9px;
  background: #dadfdb;
  margin: 4px auto 12px;
}
.mob-sheet-caption {
  font-family: var(--mob-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mob-ink-3);
  padding: 2px 6px 10px;
}

#mob-detail {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: #fff;
  transform: translateX(100%);
  transition: transform .34s cubic-bezier(.32,.72,0,1);
  will-change: transform;
  box-shadow: -8px 0 24px rgba(20,40,30,.10);
  overflow: hidden;
}
#mob-detail.open { transform: translateX(0); }
#mob-detail-scroll {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-y: contain;
  scrollbar-width: none;
  padding-top: var(--mob-nav-h);
  padding-bottom: calc(var(--mob-tab-h) + 8px);
  background: #fff;
}

/* ── Gene detail: section layout (card-free) ── */
.mob-det-sec {
  padding: 18px 16px 20px;
  border-top: 1px solid var(--mob-line);
}
.mob-det-h {
  font-family: var(--mob-sans);
  font-size: 15px;
  font-weight: 700;
  color: var(--mob-green-ink);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
/* Contained card (structure viewer, localization diagram) */
.mob-det-card {
  background: var(--mob-bg-warm);
  border-radius: 14px;
  border: .5px solid var(--mob-line);
  overflow: hidden;
}
/* Gene map: flush full-width, horizontally scrollable */
.mob-det-sec--map {
  padding: 18px 0 20px;
}
.mob-det-sec--map .mob-det-h { padding: 0 16px; }
#mob-detail-scroll::-webkit-scrollbar { display: none; }

/* Search — bottom sheet (slides up from bottom) */
#mob-search-backdrop {
  position: fixed;
  inset: 0;
  z-index: 84;
  background: rgba(15,25,20,.34);
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease;
}
#mob-search-backdrop.open { opacity: 1; pointer-events: auto; }

#mob-search {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 85;
  background: transparent;
  transform: translateY(100%);
  transition: transform .34s cubic-bezier(.32,.72,0,1);
  will-change: transform;
}
#mob-search.open { transform: translateY(0); }

#mob-search-scroll {
  background: var(--mob-paper);
  border-radius: 26px 26px 0 0;
  height: 80vh;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: none;
  box-shadow: 0 -8px 30px rgba(0,0,0,.2);
  display: flex;
  flex-direction: column;
  padding-bottom: calc(var(--mob-tab-h) + 8px);
}
#mob-search-scroll::-webkit-scrollbar { display: none; }

/* ── Detail header zone and tag pill styles ── */
.mob-detail-header {
  padding: 14px 20px 16px;
}
.mob-d-head {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 10px;
}
.mob-d-thumb {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.mob-d-thumb img { width: 100%; height: 100%; object-fit: cover; }
.mob-d-title-block { flex: 1; min-width: 0; }
.mob-d-title {
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 27px;
  letter-spacing: -.02em;
  color: var(--mob-ink);
  line-height: 1.05;
}
.mob-d-loc {
  font-family: var(--mob-mono);
  font-weight: 400;
  font-size: 14px;
  color: var(--mob-ink-3);
  display: block;
  margin-top: 4px;
}
.mob-d-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

.mob-tag {
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 11px;
  letter-spacing: .03em;
  padding: 5px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  white-space: nowrap;
  border: 1.5px solid currentColor;
  display: inline-flex;
  align-items: center;
}
.mob-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 10px;
}
.mob-meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--mob-ink-3);
}

.mob-copybtn {
  font-family: var(--mob-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .04em;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--mob-line);
  background: var(--mob-bg-warm);
  color: var(--mob-ink-2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  white-space: nowrap;
  text-decoration: none;
}
.mob-copybtn:active { background: #eef1ee; }

/* ── Animation keyframes ── */
@keyframes mob-fadeup {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}
@keyframes mob-star-pop {
  0%   { transform: scale(1); }
  40%  { transform: scale(1.5); }
  100% { transform: scale(1); }
}
.mob-star-pop { animation: mob-star-pop .3s ease; }

/* =========================================================
   HOME — mobile-specific
   ========================================================= */

.mob-hero {
  background: var(--mob-pine);
  border-radius: 0;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.mob-hero-inner {
  padding: calc(var(--mob-nav-h) + 16px) 22px 42px;
  position: relative;
  z-index: 1;
}
.mob-hero-eyebrow {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--mob-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(255,255,255,.66);
  white-space: nowrap;
  margin-bottom: 6px;
}
.mob-hero h1 {
  font-family: var(--mob-serif);
  font-weight: 700;
  font-size: 46px;
  letter-spacing: -.02em;
  margin: 0 0 10px;
  line-height: 1;
  color: #fff;
}
.mob-hero p {
  color: rgba(255,255,255,.78);
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.mob-hero-stats {
  display: flex;
  gap: 8px;
  margin: -22px 16px 0;
  position: relative;
  z-index: 2;
}
.mob-hstat {
  flex: 1;
  background: var(--mob-paper);
  border-radius: 18px;
  padding: 14px 12px 12px;
  box-shadow: var(--mob-shadow-card);
  border: .5px solid var(--mob-line);
}
.mob-hstat .n {
  font-family: var(--mob-serif);
  font-weight: 700;
  font-size: 26px;
  color: var(--mob-ink);
  line-height: 1;
}
.mob-hstat .l {
  font-family: var(--mob-mono);
  font-size: 10px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mob-ink-3);
  margin-top: 5px;
}

.mob-home-sec-h {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 24px 22px 10px;
}
.mob-home-sec-h .t {
  font-family: var(--mob-mono);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mob-green-ink);
}
.mob-home-sec-h .more {
  margin-left: auto;
  font-size: 13px;
  font-weight: 700;
  color: var(--mob-green);
  cursor: pointer;
  background: none;
  border: none;
}

.mob-strain-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--mob-card);
  border-radius: 18px;
  margin: 0 16px 10px;
  padding: 14px;
  box-shadow: var(--mob-shadow-card);
  border: .5px solid var(--mob-line);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: transform .1s ease;
}
.mob-strain-card:active { transform: scale(.99); }
.mob-strain-card .sbar { position: absolute; left: 0; top: 0; bottom: 0; width: 5px; }
.mob-strain-card .sicon { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; }
.mob-strain-card .scode { font-family: var(--mob-sans); font-weight: 800; font-size: 17px; }
.mob-strain-card .sname { font-style: italic; font-size: 13.5px; color: var(--mob-ink-2); margin-top: 1px; }
.mob-strain-card .scount { font-size: 12.5px; color: var(--mob-ink-3); margin-top: 3px; }

.mob-minirow {
  display: flex;
  align-items: center;
  gap: 13px;
  background: var(--mob-card);
  border-radius: 16px;
  margin: 0 16px 9px;
  padding: 12px 14px;
  box-shadow: var(--mob-shadow-card);
  border: .5px solid var(--mob-line);
  cursor: pointer;
  transition: transform .1s ease;
}
.mob-minirow:active { transform: scale(.99); }
.mob-minirow .mn { font-family: var(--mob-sans); font-weight: 800; font-size: 15.5px; color: var(--mob-ink); }
.mob-minirow .ms { font-size: 12.5px; color: var(--mob-ink-3); margin-top: 1px; }

.mob-map-card {
  margin: 0 16px;
  border-radius: 18px;
  overflow: hidden;
  border: .5px solid var(--mob-line);
  background: #eef1f4;
  height: 150px;
  position: relative;
  box-shadow: var(--mob-shadow-card);
}

/* =========================================================
   GENOMIC CONTEXT TRACK
   ========================================================= */

.mob-ctx-wrap { position: relative; margin-top: 6px; }

.mob-ctx-scroll {
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding: 6px 0 4px;
}
.mob-ctx-scroll::-webkit-scrollbar { display: none; }

.mob-ctx-track {
  position: relative;
  display: grid;
  grid-auto-flow: column;
  grid-template-rows: 22px 30px 0px 30px 22px;
  align-items: center;
  padding: 0 16px;
  min-width: max-content;
}
.mob-ctx-track::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 2px;
  background: #dfe4e0;
  transform: translateY(-1px);
  pointer-events: none;
}

.mob-ctx-col {
  display: grid;
  grid-template-rows: subgrid;
  grid-row: 1 / 6;
  padding: 0 3px;
}

.mob-ctx-lab {
  font-size: 11px;
  color: var(--mob-ink-2);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 120px;
}
.mob-ctx-lab .sym { font-weight: 800; color: var(--mob-ink); }
.mob-ctx-lab.mono { font-size: 10px; color: var(--mob-ink-3); }

.mob-ctx-arrow-slot { display: flex; align-items: center; }
.mob-ctx-arrow-slot.plus  { align-items: flex-end; }
.mob-ctx-arrow-slot.minus { align-items: flex-start; }

.mob-ctx-center { height: 0; }

.mob-ctx-arrow {
  height: 26px;
  position: relative;
  display: flex;
  align-items: center;
  z-index: 2;
}
.mob-ctx-arrow .body {
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.08);
}
.mob-ctx-arrow.plus  .body { clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 50%, calc(100% - 11px) 100%, 0 100%); }
.mob-ctx-arrow.minus .body { clip-path: polygon(11px 0, 100% 0, 100% 100%, 11px 100%, 0 50%); }
.mob-ctx-col.focal .mob-ctx-arrow .body {
  /* drop-shadow applies after clip-path, so it follows the arrow outline perfectly */
  filter: drop-shadow(0 0 1px var(--mob-ink)) drop-shadow(0 0 1px var(--mob-ink));
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.12);
}

.mob-ctx-strand {
  position: absolute;
  left: 8px;
  font-family: var(--mob-mono);
  font-size: 11px;
  color: var(--mob-ink-3);
  z-index: 3;
  pointer-events: none;
}
.mob-ctx-strand.p { top: 26px; }
.mob-ctx-strand.m { bottom: 26px; }

.mob-ctx-fade {
  position: absolute;
  top: 0; bottom: 0;
  width: 28px;
  pointer-events: none;
  z-index: 4;
}
.mob-ctx-fade.l { left: 0;  background: linear-gradient(90deg,  var(--mob-paper), rgba(255,255,255,0)); }
.mob-ctx-fade.r { right: 0; background: linear-gradient(270deg, var(--mob-paper), rgba(255,255,255,0)); }

.mob-ctx-hint {
  position: absolute;
  right: 10px; bottom: 0;
  z-index: 5;
  font-family: var(--mob-mono);
  font-size: 10px;
  letter-spacing: .04em;
  color: var(--mob-ink-3);
  background: rgba(255,255,255,.85);
  padding: 3px 8px;
  border-radius: 999px;
  border: .5px solid var(--mob-line);
  display: flex;
  align-items: center;
  gap: 5px;
  transition: opacity .3s ease;
  pointer-events: none;
}

/* =========================================================
   GENOMES LIST — sticky toolbar + search + strain context
   ========================================================= */

.mob-sticky-bar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(244,246,244,.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: .5px solid var(--mob-line);
  padding: 10px 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mob-search-field {
  display: flex;
  align-items: center;
  gap: 9px;
  background: #fff;
  border: 1px solid var(--mob-line);
  border-radius: 13px;
  padding: 0 12px;
  height: 42px;
}
.mob-search-field input {
  border: none;
  outline: none;
  flex: 1;
  font-family: var(--mob-sans);
  font-size: 15px;
  background: transparent;
  color: var(--mob-ink);
}
.mob-search-field input::placeholder { color: var(--mob-ink-3); }

.mob-strain-ctx {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px 12px;
}
.mob-strain-ctx img { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; }
.mob-strain-ctx .spc { font-weight: 600; font-size: 15px; color: var(--mob-ink); }
.mob-strain-ctx .cnt { font-size: 13px; color: var(--mob-ink-3); margin-top: 1px; }
.mob-switch-btn {
  margin-left: auto;
  font-family: var(--mob-mono);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 11px;
  border-radius: 8px;
  border: 1px solid var(--mob-line);
  background: var(--mob-bg-warm);
  color: var(--mob-ink-2);
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 5px;
}
.mob-switch-btn:active { background: #eef1ee; }

/* =========================================================
   MUTANT DETAIL — targeted-genes scrollable window
   ========================================================= */

.mob-tg-win {
  position: relative;
  margin-top: 13px;
  border: 1px solid var(--mob-line);
  border-radius: 14px;
  background: var(--mob-bg-warm);
  overflow: hidden;
}
.mob-tg-scroll {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  scrollbar-width: thin;
}
.mob-tg-scroll::-webkit-scrollbar { width: 5px; }
.mob-tg-scroll::-webkit-scrollbar-thumb { background: #cfd6d1; border-radius: 9px; }

.mob-tg-row {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 9px 11px;
  position: relative;
  cursor: pointer;
  background: var(--mob-card);
  transition: background .12s;
}
.mob-tg-row:active { background: #f1f5f2; }
.mob-tg-row + .mob-tg-row { border-top: .5px solid var(--mob-line); }
.mob-tg-bar  { width: 3px; align-self: stretch; border-radius: 3px; flex: 0 0 3px; }
.mob-tg-meta { flex: 1; min-width: 0; }
.mob-tg-name {
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 14.5px;
  color: var(--mob-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -.01em;
}
.mob-tg-name .loc {
  font-family: var(--mob-mono);
  font-weight: 400;
  font-size: 11px;
  color: var(--mob-ink-3);
  margin-left: 6px;
}
.mob-tg-func {
  font-size: 11.5px;
  color: var(--mob-ink-3);
  margin-top: 1px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mob-role-badge {
  flex: 0 0 auto;
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 10px;
  letter-spacing: .03em;
  text-transform: uppercase;
  padding: 4px 8px;
  border-radius: 999px;
  white-space: nowrap;
}
.mob-tg-fade {
  position: absolute;
  left: 1px; right: 1px; bottom: 1px;
  height: 30px;
  pointer-events: none;
  background: linear-gradient(0deg, var(--mob-bg-warm), rgba(247,248,246,0));
  border-radius: 0 0 14px 14px;
  transition: opacity .2s ease;
}
.mob-tg-count-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px;
  font-family: var(--mob-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--mob-ink-3);
  background: var(--mob-bg-warm);
  border-top: .5px solid var(--mob-line);
}

.mob-mut-tile {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  font-family: var(--mob-mono);
  font-weight: 600;
  flex-shrink: 0;
}

.mob-genotype {
  font-family: var(--mob-mono);
  font-size: 13.5px;
  background: var(--mob-bg-warm);
  border: 1px solid var(--mob-line);
  border-radius: 10px;
  padding: 9px 11px;
  margin-top: 10px;
  word-break: break-all;
  color: var(--mob-ink);
}

.mob-avail-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border-radius: 999px;
  font-family: var(--mob-sans);
  font-weight: 800;
  font-size: 13px;
}

/* =========================================================
   CHIMERA — recombined region map
   ========================================================= */

.mob-rr-ruler {
  position: relative;
  height: 30px;
  margin: 18px 3px 0;
}
.mob-rr-ruler .base {
  position: absolute;
  left: 0; right: 0;
  top: 24px;
  height: 1.5px;
  background: var(--mob-line);
}
.mob-rr-lm {
  position: absolute;
  top: 0;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}
.mob-rr-lm .nm {
  font-family: var(--mob-mono);
  font-style: italic;
  font-size: 10px;
  color: var(--mob-ink-3);
  white-space: nowrap;
}
.mob-rr-lm .tick { width: 1px; height: 7px; background: #cfd6d1; margin-top: 3px; }
.mob-rr-barwrap { position: relative; margin: 4px 3px 0; }
.mob-rr-kb {
  position: absolute;
  right: 0; top: -15px;
  font-family: var(--mob-mono);
  font-size: 10px;
  color: var(--mob-ink-3);
}
.mob-rr-bar {
  position: relative;
  height: 26px;
  border-radius: 6px;
  background: #2f9e6e;
  overflow: hidden;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.08);
}
.mob-rr-block {
  position: absolute;
  top: 0; bottom: 0;
  background: #3f7fc4;
  box-shadow: inset 0 -2px 0 rgba(0,0,0,.14);
}
.mob-rr-span {
  text-align: center;
  font-family: var(--mob-mono);
  font-size: 10.5px;
  color: var(--mob-ink-2);
  margin-top: 8px;
}
.mob-rr-legend {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 13px;
  flex-wrap: wrap;
}
.mob-rr-leg {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--mob-ink-2);
  font-weight: 700;
  white-space: nowrap;
}
.mob-rr-leg .sw { width: 12px; height: 12px; border-radius: 3px; }

/* Gene-exchange table */
.mob-gx-colhead {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  background: var(--mob-bg-warm);
  border-bottom: .5px solid var(--mob-line);
  font-family: var(--mob-mono);
  font-size: 9.5px;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.mob-gx-colhead .h {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 5px;
  min-width: 0;
  white-space: nowrap;
}
.mob-gx-colhead .h b { font-family: var(--mob-sans); font-weight: 800; font-size: 11px; letter-spacing: 0; }
.mob-gx-row {
  display: flex;
  align-items: stretch;
  gap: 9px;
  padding: 9px 11px;
  background: var(--mob-card);
}
.mob-gx-row + .mob-gx-row { border-top: .5px solid var(--mob-line); }
.mob-gx-bar   { width: 3px; align-self: stretch; border-radius: 3px; flex: 0 0 3px; }
.mob-gx-main  { flex: 1; min-width: 0; }
.mob-gx-pair  { display: flex; align-items: center; gap: 8px; }
.mob-gx-side  { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mob-gx-side.r { text-align: right; }
.mob-gx-loc   { font-family: var(--mob-mono); font-size: 10.5px; color: var(--mob-ink-3); }
.mob-gx-sym   { font-weight: 800; font-size: 13px; color: var(--mob-ink); margin-left: 5px; }
.mob-gx-prod  { font-size: 11px; color: var(--mob-ink-3); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mob-gx-none  {
  font-size: 9.5px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase;
  color: #c2702b; background: #f6ecdd; padding: 3px 8px; border-radius: 999px;
}
.mob-gx-row.noortho { background: #fdf8f0; }
.mob-gx-row.noortho .mob-gx-bar { background: #d99a3e; }