/* ============================================================
   cv999 packaging - mobile viewport stylesheet
   File: css/mobile-bf8430-viewport.css
   Class prefix: layer430d9-
   Palette: #0F0F23 | #228B22 | #00E5FF | #006400
   Direction: bold simple headings + light body, stroke-led
   restrained radius, big/small card mix, compact metric
   rhythm, sliding focus indicators, segmented action CTA.
   ============================================================ */

/* ---------- design tokens ---------- */
:root {
  --layer430d9-bg: #0F0F23;
  --layer430d9-deep: #006400;
  --layer430d9-green: #228B22;
  --layer430d9-cyan: #00E5FF;
  --layer430d9-surface: #151533;
  --layer430d9-surface2: #1B1B42;
  --layer430d9-surface3: #232357;
  --layer430d9-text: #EAF6FF;
  --layer430d9-dim: #A9B9D0;
  --layer430d9-green-ink: #8FE6A0;
  --layer430d9-line: rgba(0, 229, 255, 0.22);
  --layer430d9-line-soft: rgba(169, 185, 208, 0.16);
  --layer430d9-radius: 8px;
  --layer430d9-radius-s: 6px;
  --layer430d9-top-h: 58px;
  --layer430d9-quick-h: 46px;
  --layer430d9-bnav-h: 58px;
  --layer430d9-font: "Hind Siliguri", "Noto Sans Bengali", "SolaimanLipi", "Kalpurush", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

/* ---------- base / reset ---------- */
* { box-sizing: border-box; margin: 0; padding: 0; }

html {
  background: #070712;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--layer430d9-font);
  font-weight: 300;
  line-height: 1.7;
  color: var(--layer430d9-text);
  background: var(--layer430d9-bg);
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: var(--layer430d9-top-h);
  padding-bottom: calc(var(--layer430d9-bnav-h) + env(safe-area-inset-bottom, 0px));
}

img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
a { color: var(--layer430d9-cyan); text-decoration: none; }
button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

::selection { background: rgba(0, 229, 255, 0.32); color: #FFFFFF; }

:focus-visible {
  outline: 2px solid var(--layer430d9-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* centered phone canvas on wide screens */
@media (min-width: 480px) {
  body {
    border-inline: 1px solid rgba(0, 229, 255, 0.16);
    box-shadow: 0 0 48px rgba(0, 0, 0, 0.65);
  }
}

/* ---------- fixed top bar (tab-style) ---------- */
.layer430d9-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--layer430d9-top-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px;
  background: rgba(15, 15, 35, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--layer430d9-line);
  z-index: 60;
}

.layer430d9-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  color: var(--layer430d9-text);
}

.layer430d9-brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--layer430d9-radius-s);
  border: 1px solid var(--layer430d9-line);
  object-fit: cover;
  flex: 0 0 auto;
}

.layer430d9-brand-name {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* action zone: segmented CTA pair + menu */
.layer430d9-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.layer430d9-segcta {
  display: flex;
  border: 1px solid var(--layer430d9-cyan);
  border-radius: var(--layer430d9-radius);
  overflow: hidden;
}

.layer430d9-btnlogin,
.layer430d9-btnreg {
  min-height: 38px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
}

.layer430d9-btnlogin {
  color: var(--layer430d9-cyan);
  background: rgba(0, 229, 255, 0.06);
  border-right: 1px solid rgba(0, 229, 255, 0.35);
}

.layer430d9-btnreg {
  color: #F2FFF2;
  background: var(--layer430d9-green);
}

.layer430d9-btnlogin:active,
.layer430d9-btnreg:active { filter: brightness(1.25); }

/* hamburger */
.layer430d9-menubtn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--layer430d9-line);
  border-radius: var(--layer430d9-radius-s);
  background: var(--layer430d9-surface);
}

.layer430d9-menubtn-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--layer430d9-cyan);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.layer430d9-menubtn[aria-expanded="true"] .layer430d9-menubtn-bar:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.layer430d9-menubtn[aria-expanded="true"] .layer430d9-menubtn-bar:nth-child(2) { opacity: 0; }
.layer430d9-menubtn[aria-expanded="true"] .layer430d9-menubtn-bar:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- side drawer menu ---------- */
.layer430d9-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 5, 16, 0.66);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.28s ease, visibility 0.28s ease;
  z-index: 70;
}

.layer430d9-overlay.layer430d9-is-open { opacity: 1; visibility: visible; }

.layer430d9-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(84vw, 316px);
  background: var(--layer430d9-surface);
  border-left: 1px solid var(--layer430d9-line);
  transform: translateX(102%);
  transition: transform 0.3s ease;
  z-index: 80;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.layer430d9-drawer.layer430d9-is-open { transform: translateX(0); }

.layer430d9-drawer-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--layer430d9-line-soft);
}

.layer430d9-drawer-head img {
  width: 30px;
  height: 30px;
  border-radius: var(--layer430d9-radius-s);
  border: 1px solid var(--layer430d9-line);
  object-fit: cover;
}

.layer430d9-drawer-title {
  font-size: 14px;
  font-weight: 800;
  flex: 1;
}

.layer430d9-drawer-close {
  width: 40px;
  height: 40px;
  border: 1px solid var(--layer430d9-line);
  border-radius: var(--layer430d9-radius-s);
  color: var(--layer430d9-cyan);
  font-size: 18px;
  line-height: 1;
}

.layer430d9-drawer-group { padding: 10px 14px 4px; }

.layer430d9-drawer-label {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--layer430d9-dim);
  padding: 6px 0;
}

.layer430d9-drawer-link {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 6px 10px;
  border: 1px solid transparent;
  border-radius: var(--layer430d9-radius-s);
  font-size: 14px;
  color: var(--layer430d9-text);
  position: relative;
}

.layer430d9-drawer-link::before {
  content: "";
  width: 3px;
  height: 0;
  border-radius: 2px;
  background: var(--layer430d9-cyan);
  transition: height 0.25s ease;
}

.layer430d9-drawer-link.layer430d9-is-active {
  border-color: var(--layer430d9-line);
  background: rgba(0, 229, 255, 0.07);
  color: var(--layer430d9-cyan);
}

.layer430d9-drawer-link.layer430d9-is-active::before,
.layer430d9-drawer-link:active::before { height: 20px; }

.layer430d9-drawer-cta {
  margin: 14px;
  min-height: 46px;
  border: 1px solid var(--layer430d9-green);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-green);
  color: #F2FFF2;
  font-size: 14px;
  font-weight: 800;
}

/* ---------- quick category tabs (sticky, sliding line) ---------- */
.layer430d9-quicknav {
  position: sticky;
  top: var(--layer430d9-top-h);
  z-index: 40;
  background: rgba(15, 15, 35, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--layer430d9-line-soft);
}

.layer430d9-quickrow {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0 10px;
}

.layer430d9-quickrow::-webkit-scrollbar { display: none; }

.layer430d9-quicklink {
  flex: 0 0 auto;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--layer430d9-dim);
  position: relative;
  transition: color 0.25s ease;
}

.layer430d9-quicklink.layer430d9-is-active { color: var(--layer430d9-cyan); }

.layer430d9-tabline {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 40px;
  background: var(--layer430d9-cyan);
  border-radius: 1px;
  transform: translateX(10px);
  transition: transform 0.3s ease, width 0.3s ease;
}

/* ---------- main ---------- */
.layer430d9-main {
  padding: 12px 12px 0;
}

.layer430d9-sec { padding: 14px 0 4px; }

.layer430d9-sec-head {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 6px;
}

.layer430d9-h1,
.layer430d9-sec-title {
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: 0.1px;
}

.layer430d9-h1 { font-size: 20px; }

.layer430d9-sec-title {
  font-size: 16.5px;
  flex: 1;
  min-width: 0;
}

.layer430d9-sec-count {
  flex: 0 0 auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--layer430d9-green-ink);
  border: 1px solid rgba(34, 139, 34, 0.6);
  border-radius: 999px;
  padding: 2px 9px;
  margin-top: 3px;
}

.layer430d9-sec-note {
  font-size: 13px;
  color: var(--layer430d9-dim);
  margin-bottom: 10px;
  overflow-wrap: anywhere;
}

.layer430d9-inlink {
  color: var(--layer430d9-cyan);
  border-bottom: 1px dashed rgba(0, 229, 255, 0.5);
  font-weight: 600;
}

/* intro stat chips - compact metric rhythm */
.layer430d9-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 10px 0 4px;
}

.layer430d9-stat {
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius-s);
  background: var(--layer430d9-surface);
  padding: 8px 4px;
  text-align: center;
}

.layer430d9-stat b {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--layer430d9-cyan);
  line-height: 1.3;
}

.layer430d9-stat span {
  display: block;
  font-size: 10px;
  color: var(--layer430d9-dim);
  line-height: 1.4;
}

/* ---------- hero carousel ---------- */
.layer430d9-hero {
  position: relative;
  border: 1px solid var(--layer430d9-line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--layer430d9-surface);
}

.layer430d9-herotrack {
  display: flex;
  transition: transform 0.45s ease;
}

.layer430d9-heroitem {
  flex: 0 0 100%;
  display: block;
  width: 100%;
  aspect-ratio: 2 / 1;
  position: relative;
}

.layer430d9-heroitem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.layer430d9-herocaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 12px 10px;
  background: linear-gradient(180deg, rgba(15, 15, 35, 0) 0%, rgba(15, 15, 35, 0.92) 78%);
  text-align: left;
  font-size: 13px;
  font-weight: 700;
  color: #FFFFFF;
  pointer-events: none;
}

.layer430d9-herocaption small {
  display: block;
  font-size: 10.5px;
  font-weight: 400;
  color: var(--layer430d9-green-ink);
}

.layer430d9-herodots {
  position: absolute;
  right: 10px;
  bottom: 8px;
  display: flex;
  gap: 5px;
}

.layer430d9-herodot {
  width: 9px;
  height: 9px;
  min-width: 9px;
  border-radius: 999px;
  border: 1px solid var(--layer430d9-cyan);
  background: transparent;
  transition: width 0.3s ease, background 0.3s ease;
}

.layer430d9-herodot.layer430d9-is-on {
  width: 20px;
  background: var(--layer430d9-cyan);
}

/* ---------- game grid: big/small card mix ---------- */
.layer430d9-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

@media (min-width: 400px) {
  .layer430d9-grid { grid-template-columns: repeat(5, 1fr); }
}

.layer430d9-gcard {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-surface);
  overflow: hidden;
  text-align: center;
  transition: transform 0.18s ease, border-color 0.25s ease;
  -webkit-tap-highlight-color: rgba(0, 229, 255, 0.12);
}

.layer430d9-gcard:active {
  transform: scale(0.96);
  border-color: var(--layer430d9-cyan);
}

.layer430d9-gcard-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--layer430d9-surface2);
}

.layer430d9-gcard-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--layer430d9-text);
  padding: 3px 4px 5px;
  min-height: 33px;
  overflow-wrap: anywhere;
}

/* lead (big) card spans two tracks */
.layer430d9-gcard--lead { grid-column: span 2; }

.layer430d9-gcard--lead .layer430d9-gcard-img { aspect-ratio: 2 / 1; }

.layer430d9-gcard--lead .layer430d9-gcard-name {
  -webkit-line-clamp: 1;
  font-size: 12px;
  color: var(--layer430d9-cyan);
  border-top: 1px solid var(--layer430d9-line-soft);
  background: rgba(0, 100, 0, 0.22);
  min-height: 26px;
  display: block;
  padding: 4px 6px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

/* ---------- metric rows (compact indicator + explanation) ---------- */
.layer430d9-metrics {
  display: grid;
  gap: 8px;
  margin: 10px 0;
}

.layer430d9-metric {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  border: 1px solid var(--layer430d9-line-soft);
  border-left: 3px solid var(--layer430d9-green);
  border-radius: var(--layer430d9-radius-s);
  background: var(--layer430d9-surface);
  padding: 9px 10px;
}

.layer430d9-metric dt {
  font-size: 12px;
  font-weight: 800;
  color: var(--layer430d9-green-ink);
  line-height: 1.5;
}

.layer430d9-metric dd {
  font-size: 12.5px;
  color: var(--layer430d9-dim);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

/* ---------- tips list ---------- */
.layer430d9-tips {
  display: grid;
  gap: 8px;
  margin: 10px 0;
  counter-reset: layer430d9-tip;
}

.layer430d9-tip {
  counter-increment: layer430d9-tip;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: start;
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius-s);
  background: var(--layer430d9-surface);
  padding: 10px;
}

.layer430d9-tip::before {
  content: counter(layer430d9-tip, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border: 1px solid var(--layer430d9-cyan);
  border-radius: var(--layer430d9-radius-s);
  color: var(--layer430d9-cyan);
  font-size: 12px;
  font-weight: 800;
}

.layer430d9-tip b {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--layer430d9-text);
  margin-bottom: 2px;
}

.layer430d9-tip p {
  font-size: 12.5px;
  color: var(--layer430d9-dim);
  line-height: 1.65;
}

/* ---------- pros / limitations segmented panels ---------- */
.layer430d9-duo {
  display: grid;
  gap: 8px;
  margin: 10px 0;
}

.layer430d9-panel {
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-surface);
  padding: 11px 12px;
}

.layer430d9-panel h3 {
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 6px;
}

.layer430d9-panel--pro { border-top: 3px solid var(--layer430d9-green); }
.layer430d9-panel--pro h3 { color: var(--layer430d9-green-ink); }

.layer430d9-panel--lim { border-top: 3px solid rgba(0, 229, 255, 0.55); }
.layer430d9-panel--lim h3 { color: var(--layer430d9-cyan); }

.layer430d9-panel li {
  position: relative;
  padding: 4px 0 4px 16px;
  font-size: 12.5px;
  color: var(--layer430d9-dim);
  line-height: 1.6;
}

.layer430d9-panel--pro li::before {
  content: "+";
  position: absolute;
  left: 0;
  color: var(--layer430d9-green-ink);
  font-weight: 800;
}

.layer430d9-panel--lim li::before {
  content: "!";
  position: absolute;
  left: 0;
  color: var(--layer430d9-cyan);
  font-weight: 800;
}

/* ---------- use case tiles ---------- */
.layer430d9-scenes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin: 10px 0;
}

.layer430d9-scene {
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-surface);
  padding: 10px;
}

.layer430d9-scene b {
  display: block;
  font-size: 12.5px;
  font-weight: 800;
  color: var(--layer430d9-cyan);
  margin-bottom: 3px;
}

.layer430d9-scene p {
  font-size: 11.5px;
  color: var(--layer430d9-dim);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

/* ---------- FAQ (details) ---------- */
.layer430d9-faq {
  display: grid;
  gap: 8px;
  margin: 10px 0;
}

.layer430d9-faq-item {
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-surface);
  overflow: hidden;
}

.layer430d9-faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  font-size: 13px;
  font-weight: 700;
  color: var(--layer430d9-text);
  cursor: pointer;
  list-style: none;
}

.layer430d9-faq-q::-webkit-details-marker { display: none; }

.layer430d9-faq-q::after {
  content: "+";
  flex: 0 0 auto;
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--layer430d9-cyan);
  border-radius: 50%;
  color: var(--layer430d9-cyan);
  font-weight: 800;
  transition: transform 0.25s ease;
}

.layer430d9-faq-item[open] .layer430d9-faq-q::after { transform: rotate(45deg); }

.layer430d9-faq-a {
  padding: 0 12px 12px;
  font-size: 12.5px;
  color: var(--layer430d9-dim);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

/* ---------- extended footer (sectioned list) ---------- */
.layer430d9-xfoot {
  margin-top: 16px;
  border-top: 1px solid var(--layer430d9-line);
  padding: 14px 0 6px;
}

.layer430d9-xfoot-brand {
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius);
  background: var(--layer430d9-surface);
  padding: 12px;
  margin-bottom: 12px;
}

.layer430d9-xfoot-brand h2 {
  font-size: 15px;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--layer430d9-text);
}

.layer430d9-xfoot-brand p {
  font-size: 12.5px;
  color: var(--layer430d9-dim);
  line-height: 1.7;
}

.layer430d9-xfoot-block { margin-bottom: 14px; }

.layer430d9-xfoot-title {
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.6px;
  color: var(--layer430d9-cyan);
  padding-bottom: 6px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--layer430d9-line-soft);
}

.layer430d9-xpromos { display: grid; gap: 7px; }

.layer430d9-xpromo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid rgba(34, 139, 34, 0.55);
  border-radius: var(--layer430d9-radius-s);
  background: rgba(0, 100, 0, 0.18);
  font-size: 13px;
  font-weight: 700;
  color: var(--layer430d9-green-ink);
  text-align: left;
}

.layer430d9-xpromo::after {
  content: "\2192";
  font-weight: 800;
  transition: transform 0.25s ease;
}

.layer430d9-xpromo:active { border-color: var(--layer430d9-cyan); }
.layer430d9-xpromo:active::after { transform: translateX(4px); }

.layer430d9-xdir {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
}

.layer430d9-xdir a {
  display: block;
  min-height: 48px;
  border: 1px solid var(--layer430d9-line-soft);
  border-radius: var(--layer430d9-radius-s);
  background: var(--layer430d9-surface);
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 700;
  color: var(--layer430d9-text);
  line-height: 1.45;
}

.layer430d9-xdir a small {
  display: block;
  font-size: 10.5px;
  font-weight: 400;
  color: var(--layer430d9-dim);
}

.layer430d9-xdir a:active { border-color: var(--layer430d9-cyan); }

.layer430d9-xfoot-disc {
  border: 1px dashed rgba(169, 185, 208, 0.4);
  border-radius: var(--layer430d9-radius-s);
  padding: 9px 11px;
  font-size: 11px;
  color: var(--layer430d9-dim);
  line-height: 1.65;
}

/* ---------- common footer ---------- */
.layer430d9-foot {
  text-align: center;
  padding: 14px 0 8px;
  border-top: 1px solid var(--layer430d9-line-soft);
}

.layer430d9-foot p {
  font-size: 11.5px;
  color: var(--layer430d9-dim);
}

/* ---------- bottom nav: segmented action bar ---------- */
.layer430d9-bnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: calc(var(--layer430d9-bnav-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(13, 13, 30, 0.96);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--layer430d9-line);
  z-index: 50;
}

.layer430d9-bnav-item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 52px;
  color: var(--layer430d9-dim);
  font-size: 10px;
  font-weight: 600;
}

.layer430d9-bnav-item + .layer430d9-bnav-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--layer430d9-line-soft);
}

.layer430d9-bnav-item::after {
  content: "";
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  border-radius: 1px;
  background: var(--layer430d9-cyan);
  transform: scaleX(0);
  transition: transform 0.28s ease;
}

.layer430d9-bnav-item.layer430d9-is-active { color: var(--layer430d9-cyan); }
.layer430d9-bnav-item.layer430d9-is-active::after { transform: scaleX(1); }
.layer430d9-bnav-item:active { color: var(--layer430d9-cyan); }

.layer430d9-bnav-ic {
  width: 21px;
  height: 21px;
  display: block;
}

.layer430d9-bnav-lb { line-height: 1.2; }

/* ---------- motion & misc ---------- */
.layer430d9-noscroll { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}