/* ============================================================
   0000.homes - adaptive chrome stylesheet
   Prefix contract: every class uses shell12063-
   Canvas strategy: mobile-first 320-430px, wide screens keep
   a centered phone canvas (max-width 430px).
   Palette: #273746 base / #7B68EE / #2E8B57 / #800080 / #ADFF2F
   Type system: monospace accents + regular Bengali body text.
   ============================================================ */

:root {
  --shell12063-bg: #131c25;
  --shell12063-bg-deep: #0e151c;
  --shell12063-panel: #273746;
  --shell12063-panel-2: #2e4153;
  --shell12063-line: #3f5871;
  --shell12063-line-soft: #354b60;
  --shell12063-violet: #7b68ee;
  --shell12063-green: #2e8b57;
  --shell12063-magenta: #800080;
  --shell12063-lime: #adff2f;
  --shell12063-text: #edf3f9;
  --shell12063-muted: #9db1c5;
  --shell12063-ink: #0d141b;
  --shell12063-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Cascadia Mono", monospace;
  --shell12063-body: "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi", "Kalpurush", -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --shell12063-topbar-h: 54px;
  --shell12063-tabs-h: 42px;
  --shell12063-bottomnav-h: 62px;
  --shell12063-radius-btn: 999px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--shell12063-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--shell12063-text);
  background: radial-gradient(1200px 620px at 50% -10%, #1d2b39 0%, var(--shell12063-bg-deep) 62%, #0a1016 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }

a { color: var(--shell12063-lime); text-decoration: none; }
a:hover { text-decoration: underline; }

button { font-family: inherit; }

:focus-visible {
  outline: 2px solid var(--shell12063-lime);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- phone canvas (centered on wide viewports) ---------- */
.shell12063-canvas {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--shell12063-bg);
  box-shadow: 0 0 0 1px rgba(63, 88, 113, 0.55), 0 18px 60px rgba(0, 0, 0, 0.55);
  overflow: clip;
}

@media (min-width: 460px) {
  body { background: radial-gradient(1500px 800px at 50% 0%, #1f2e3d 0%, #0b1218 70%); }
  .shell12063-canvas { border-radius: 0; }
}

/* ---------- skip link ---------- */
.shell12063-skip {
  position: absolute;
  left: 8px;
  top: -48px;
  z-index: 120;
  background: var(--shell12063-lime);
  color: var(--shell12063-ink);
  font-family: var(--shell12063-mono);
  font-size: 12px;
  padding: 10px 14px;
  border-radius: 6px;
  transition: top 0.18s ease;
}
.shell12063-skip:focus { top: 8px; text-decoration: none; }

/* ---------- fixed top bar (tab-style) ---------- */
.shell12063-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 60;
  background: linear-gradient(180deg, #1a2836 0%, #16222e 100%);
  border-bottom: 1px solid var(--shell12063-line-soft);
}

.shell12063-toprow {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: var(--shell12063-topbar-h);
  padding: 7px 10px;
}

/* brand zone: real logo image + site name only */
.shell12063-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  min-height: 44px;
}
.shell12063-brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--shell12063-line);
  object-fit: cover;
  background: var(--shell12063-panel);
  flex: 0 0 auto;
}
.shell12063-brand-name {
  font-family: var(--shell12063-mono);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--shell12063-text);
  line-height: 1.1;
}
.shell12063-brand-name span { color: var(--shell12063-lime); }

/* action zone: register / login / menu trigger */
.shell12063-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.shell12063-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 44px;
  padding: 8px 16px;
  border-radius: var(--shell12063-radius-btn);
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}
.shell12063-btn:active { transform: scale(0.96); }

.shell12063-btn--primary {
  background: linear-gradient(135deg, var(--shell12063-lime) 0%, #8fe015 100%);
  color: var(--shell12063-ink);
  box-shadow: 0 4px 14px rgba(173, 255, 47, 0.25);
}
.shell12063-btn--primary:hover { box-shadow: 0 6px 18px rgba(173, 255, 47, 0.4); text-decoration: none; }

.shell12063-btn--ghost {
  background: transparent;
  border-color: var(--shell12063-violet);
  color: #cdc4ff;
}
.shell12063-btn--ghost:hover { background: rgba(123, 104, 238, 0.16); text-decoration: none; }

.shell12063-btn--tight { padding: 8px 12px; font-size: 12px; }

/* burger triggers the stacked overlay menu */
.shell12063-burger {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--shell12063-line);
  border-radius: 10px;
  cursor: pointer;
  flex-direction: column;
  gap: 4px;
}
.shell12063-burger i {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 2px;
  background: var(--shell12063-text);
  transition: transform 0.22s ease, opacity 0.18s ease;
}
.shell12063-burger[aria-expanded="true"] i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.shell12063-burger[aria-expanded="true"] i:nth-child(2) { opacity: 0; }
.shell12063-burger[aria-expanded="true"] i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* tab strip under the top row */
.shell12063-tabs {
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  border-top: 1px solid rgba(63, 88, 113, 0.4);
  -webkit-overflow-scrolling: touch;
}
.shell12063-tabs::-webkit-scrollbar { display: none; }
.shell12063-tab {
  flex: 0 0 auto;
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 8px 13px;
  color: var(--shell12063-muted);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}
.shell12063-tab::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 2px;
  background: var(--shell12063-lime);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}
.shell12063-tab:hover { color: var(--shell12063-text); text-decoration: none; }
.shell12063-tab.is-active { color: var(--shell12063-lime); }
.shell12063-tab.is-active::after { transform: scaleX(1); }

/* ---------- stacked overlay menu ---------- */
.shell12063-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(11, 17, 23, 0.97);
  display: flex;
  flex-direction: column;
  padding: 14px 18px calc(24px + env(safe-area-inset-bottom));
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-14px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
}
.shell12063-overlay.is-open { opacity: 1; visibility: visible; transform: translateY(0); }

.shell12063-overlay-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
}
.shell12063-overlay-title {
  font-family: var(--shell12063-mono);
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--shell12063-lime);
  margin: 0;
}
.shell12063-menu-close {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  border: 1px solid var(--shell12063-line);
  background: transparent;
  color: var(--shell12063-text);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.shell12063-menu-close:active { background: var(--shell12063-panel); }

.shell12063-menu-group { margin-top: 14px; }
.shell12063-menu-group-label {
  font-family: var(--shell12063-mono);
  font-size: 11px;
  letter-spacing: 1.5px;
  color: var(--shell12063-muted);
  margin: 0 0 6px;
}
.shell12063-menu-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 48px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--shell12063-line-soft);
  color: var(--shell12063-text);
  font-size: 14px;
  font-weight: 600;
}
.shell12063-menu-link span.shell12063-menu-arrow {
  font-family: var(--shell12063-mono);
  color: var(--shell12063-violet);
  font-size: 12px;
}
.shell12063-menu-link:hover { color: var(--shell12063-lime); text-decoration: none; }
.shell12063-menu-link.is-current {
  color: var(--shell12063-lime);
  border-left: 3px solid var(--shell12063-lime);
  padding-left: 9px;
}
.shell12063-menu-cta {
  margin-top: 18px;
  display: flex;
  gap: 8px;
}
.shell12063-menu-cta .shell12063-btn { flex: 1 1 0; }

/* ---------- main flow ---------- */
.shell12063-main {
  padding: calc(var(--shell12063-topbar-h) + var(--shell12063-tabs-h) + 12px) 14px calc(var(--shell12063-bottomnav-h) + 26px + env(safe-area-inset-bottom));
}

.shell12063-lead {
  margin: 4px 0 14px;
  color: var(--shell12063-muted);
  font-size: 13.5px;
}
.shell12063-lead strong { color: var(--shell12063-text); }

/* ---------- hero + carousel ---------- */
.shell12063-hero {
  position: relative;
  margin: 4px 0 20px;
}
.shell12063-h1 {
  font-size: 22px;
  line-height: 1.45;
  margin: 0 0 10px;
  font-weight: 800;
  letter-spacing: 0.2px;
}
.shell12063-h1 em {
  font-style: normal;
  font-family: var(--shell12063-mono);
  color: var(--shell12063-lime);
}

.shell12063-slides {
  position: relative;
  width: 100%;
  aspect-ratio: 430 / 208;
  min-height: 208px;
  border: 1px solid var(--shell12063-line);
  border-radius: 14px;
  overflow: hidden;
  background: var(--shell12063-panel);
}
.shell12063-slide {
  position: absolute;
  inset: 0;
  padding: 0;
  margin: 0;
  border: 0;
  width: 100%;
  height: 100%;
  background: var(--shell12063-bg-deep);
  cursor: pointer;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.45s ease, transform 0.6s ease;
  pointer-events: none;
}
.shell12063-slide.is-on { opacity: 1; transform: scale(1); pointer-events: auto; }
.shell12063-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.shell12063-slide-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 26px 12px 10px;
  background: linear-gradient(180deg, rgba(13, 20, 27, 0) 0%, rgba(13, 20, 27, 0.9) 78%);
  text-align: left;
}
.shell12063-slide-cap b {
  display: block;
  font-size: 14px;
  color: #ffffff;
  line-height: 1.4;
}
.shell12063-slide-cap small {
  display: block;
  font-family: var(--shell12063-mono);
  font-size: 10.5px;
  letter-spacing: 1px;
  color: var(--shell12063-lime);
}
.shell12063-slide-cap .shell12063-cap-cta {
  flex: 0 0 auto;
  font-family: var(--shell12063-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--shell12063-ink);
  background: var(--shell12063-lime);
  border-radius: 999px;
  padding: 7px 12px;
  white-space: nowrap;
}

.shell12063-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 10px;
}
.shell12063-dot {
  width: 26px;
  height: 6px;
  min-height: 6px;
  padding: 0;
  border-radius: 999px;
  border: 0;
  background: var(--shell12063-line);
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.2s ease;
}
.shell12063-dot.is-on { background: var(--shell12063-lime); transform: scaleY(1.35); }

/* ---------- section scaffolding ---------- */
.shell12063-section { margin: 26px 0; }

.shell12063-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--shell12063-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--shell12063-violet);
  margin: 0 0 6px;
}
.shell12063-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--shell12063-violet);
}

.shell12063-h2 {
  font-size: 17.5px;
  line-height: 1.5;
  margin: 0 0 8px;
  font-weight: 800;
  color: var(--shell12063-text);
}
.shell12063-h2 em { font-style: normal; font-family: var(--shell12063-mono); color: var(--shell12063-lime); font-size: 16.5px; }

.shell12063-h3 {
  font-size: 14.5px;
  margin: 16px 0 6px;
  font-weight: 700;
  color: #d9e4ef;
}

.shell12063-p { margin: 0 0 10px; color: #c6d4e2; font-size: 13.5px; }
.shell12063-p strong { color: var(--shell12063-text); }

/* fact strip: monospace summary that precedes expanded detail */
.shell12063-fact {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: linear-gradient(90deg, rgba(46, 139, 87, 0.22) 0%, rgba(39, 55, 70, 0.9) 55%);
  border-left: 3px solid var(--shell12063-green);
  border-radius: 0 8px 8px 0;
  padding: 9px 12px;
  margin: 10px 0 12px;
}
.shell12063-fact b {
  font-family: var(--shell12063-mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--shell12063-lime);
  text-transform: uppercase;
  white-space: nowrap;
  padding-top: 3px;
}
.shell12063-fact p { margin: 0; font-size: 13px; color: #d7e2ed; }

/* ---------- game grid: outlined tile cards, 4-5 columns ---------- */
.shell12063-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 12px 0 4px;
}
@media (min-width: 375px) {
  .shell12063-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 9px; }
}

.shell12063-tile {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
  background: var(--shell12063-panel);
  border: 1px solid var(--shell12063-line-soft);
  border-radius: 4px;
  cursor: pointer;
  transition: border-color 0.16s ease, transform 0.16s ease, background-color 0.16s ease;
  min-width: 0;
}
.shell12063-tile:hover,
.shell12063-tile:focus-visible {
  border-color: var(--shell12063-lime);
  background: var(--shell12063-panel-2);
  transform: translateY(-2px);
}
.shell12063-tile:active { transform: translateY(0) scale(0.97); }

.shell12063-tile-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 3px;
  background: var(--shell12063-bg-deep);
}

.shell12063-tile-name {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 30px;
  font-size: 10.5px;
  line-height: 1.45;
  text-align: center;
  color: #dce6f0;
  font-weight: 600;
  overflow-wrap: break-word;
}
@media (min-width: 375px) {
  .shell12063-tile-name { font-size: 11px; }
}

/* related-routes strip under each category */
.shell12063-more {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}
.shell12063-more-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 8px 13px;
  border: 1px dashed var(--shell12063-line);
  border-radius: 8px;
  color: #cfd9e4;
  font-size: 12.5px;
  font-weight: 600;
}
.shell12063-more-link::before {
  content: ">";
  font-family: var(--shell12063-mono);
  color: var(--shell12063-lime);
}
.shell12063-more-link:hover { border-color: var(--shell12063-lime); color: var(--shell12063-lime); text-decoration: none; }

/* ---------- compact dual CTA groups ---------- */
.shell12063-cta-duo {
  display: flex;
  gap: 8px;
  margin: 12px 0 4px;
}
.shell12063-cta-duo .shell12063-btn { flex: 1 1 0; }

/* ---------- promo cards ---------- */
.shell12063-promo-card {
  position: relative;
  border: 1px solid var(--shell12063-line);
  border-radius: 10px;
  padding: 12px 12px 12px 16px;
  margin: 10px 0;
  background:
    linear-gradient(120deg, rgba(128, 0, 128, 0.28) 0%, rgba(39, 55, 70, 0.2) 45%, rgba(123, 104, 238, 0.16) 100%),
    var(--shell12063-panel);
}
.shell12063-promo-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--shell12063-lime), var(--shell12063-violet));
}
.shell12063-promo-tag {
  font-family: var(--shell12063-mono);
  font-size: 10.5px;
  letter-spacing: 1.5px;
  color: var(--shell12063-lime);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}
.shell12063-promo-card h3 { margin: 0 0 4px; font-size: 15px; color: #ffffff; }
.shell12063-promo-card p { margin: 0 0 8px; font-size: 12.5px; color: var(--shell12063-muted); }

/* ---------- milestones / achievements ---------- */
.shell12063-milestone { margin: 12px 0; }
.shell12063-milestone-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 5px;
}
.shell12063-milestone-row b { font-size: 13px; color: var(--shell12063-text); font-weight: 700; }
.shell12063-milestone-row span { font-family: var(--shell12063-mono); font-size: 11px; color: var(--shell12063-lime); }
.shell12063-bar {
  height: 8px;
  border-radius: 2px;
  background: var(--shell12063-bg-deep);
  border: 1px solid var(--shell12063-line-soft);
  overflow: hidden;
}
.shell12063-bar-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--shell12063-green) 0%, #57b86b 60%, var(--shell12063-lime) 100%);
  transition: width 0.6s ease;
}
.shell12063-milestone-note { margin: 4px 0 0; font-size: 12px; color: var(--shell12063-muted); }

/* ---------- testimonials ---------- */
.shell12063-quote {
  border-left: 3px solid var(--shell12063-violet);
  background: var(--shell12063-panel);
  border-radius: 0 10px 10px 0;
  padding: 11px 12px;
  margin: 10px 0;
}
.shell12063-quote-head { display: flex; align-items: center; gap: 9px; margin-bottom: 6px; }
.shell12063-quote-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--shell12063-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--shell12063-ink);
  background: linear-gradient(135deg, var(--shell12063-lime), var(--shell12063-green));
}
.shell12063-quote-name { font-size: 13px; font-weight: 700; color: var(--shell12063-text); }
.shell12063-quote-role {
  font-family: var(--shell12063-mono);
  font-size: 10.5px;
  color: var(--shell12063-muted);
  letter-spacing: 0.5px;
}
.shell12063-quote p { margin: 0; font-size: 12.5px; color: #c6d4e2; }

/* ---------- comparison table ---------- */
.shell12063-tablewrap {
  border: 1px solid var(--shell12063-line-soft);
  border-radius: 8px;
  overflow: hidden;
  margin: 12px 0;
}
.shell12063-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.shell12063-table th {
  font-family: var(--shell12063-mono);
  font-size: 11px;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-align: left;
  color: var(--shell12063-lime);
  background: var(--shell12063-bg-deep);
  padding: 9px 10px;
  white-space: nowrap;
}
.shell12063-table td {
  padding: 9px 10px;
  border-top: 1px solid var(--shell12063-line-soft);
  color: #c6d4e2;
  vertical-align: top;
}
.shell12063-table td:first-child { color: var(--shell12063-text); font-weight: 600; white-space: nowrap; }

/* ---------- extended footer (homepage only) ---------- */
.shell12063-extfoot {
  margin: 30px 0 0;
  border-top: 1px solid var(--shell12063-line);
  padding-top: 6px;
}
.shell12063-ext-sec { margin: 16px 0; }
.shell12063-ext-label {
  font-family: var(--shell12063-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--shell12063-violet);
  margin: 0 0 6px;
}
.shell12063-ext-list { list-style: none; margin: 0; padding: 0; }
.shell12063-ext-list li { border-bottom: 1px solid var(--shell12063-line-soft); }
.shell12063-ext-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 44px;
  color: #cfd9e4;
  font-size: 13px;
  font-weight: 600;
}
.shell12063-ext-link small {
  font-family: var(--shell12063-mono);
  font-size: 10px;
  color: var(--shell12063-muted);
  white-space: nowrap;
}
.shell12063-ext-link:hover { color: var(--shell12063-lime); text-decoration: none; }

.shell12063-ext-brand p { margin: 0; font-size: 12.5px; color: var(--shell12063-muted); }

.shell12063-promo-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}
.shell12063-promo-actions .shell12063-btn { width: 100%; padding: 10px 8px; font-size: 12px; min-height: 48px; }

.shell12063-disclaimer {
  font-size: 11.5px;
  color: #8ba0b5;
  border: 1px dashed var(--shell12063-line);
  border-radius: 8px;
  padding: 9px 11px;
  margin-top: 6px;
}

/* ---------- common footer (copyright only) ---------- */
.shell12063-footer {
  padding: 16px 14px calc(10px + env(safe-area-inset-bottom));
  text-align: center;
  border-top: 1px solid var(--shell12063-line-soft);
  margin-top: 8px;
}
.shell12063-footer small {
  display: block;
  font-family: var(--shell12063-mono);
  font-size: 11px;
  color: var(--shell12063-muted);
  letter-spacing: 0.5px;
}

/* ---------- fixed bottom navigation rail ---------- */
.shell12063-bottomnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 55;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  min-height: var(--shell12063-bottomnav-h);
  padding-bottom: env(safe-area-inset-bottom);
  background: linear-gradient(180deg, #17242f 0%, #101a23 100%);
  border-top: 1px solid var(--shell12063-line);
}

.shell12063-navitem {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 44px;
  padding: 8px 2px 7px;
  border: 0;
  background: transparent;
  color: var(--shell12063-muted);
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.shell12063-navitem:active { color: var(--shell12063-text); }

.shell12063-navicon {
  width: 22px;
  height: 22px;
  display: block;
  color: currentColor;
  transition: transform 0.22s cubic-bezier(0.34, 1.4, 0.5, 1), color 0.2s ease;
}
.shell12063-navicon svg { width: 100%; height: 100%; display: block; }

.shell12063-navlabel {
  font-size: 9.5px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.2px;
  white-space: nowrap;
}

/* active marker: top underline + icon state morph */
.shell12063-navitem::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  border-radius: 2px;
  background: var(--shell12063-lime);
  transform: scaleX(0);
  transition: transform 0.22s ease;
}
.shell12063-navitem.is-active { color: var(--shell12063-lime); }
.shell12063-navitem.is-active::before { transform: scaleX(1); }
.shell12063-navitem.is-active .shell12063-navicon { transform: translateY(-1.5px) scale(1.12); }

/* promo variants inside the rail */
.shell12063-navitem--promo .shell12063-navlabel { color: inherit; }
.shell12063-navitem--promo .shell12063-navicon { filter: drop-shadow(0 0 6px rgba(173, 255, 47, 0.35)); }

/* ---------- short-distance reveal motion ---------- */
.shell12063-reveal {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.shell12063-reveal.is-in { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .shell12063-reveal { opacity: 1; transform: none; transition: none; }
  .shell12063-slide { transition: none; }
  .shell12063-navicon { transition: none; }
}

/* ---------- narrow-canvas hardening (320px) ---------- */
.shell12063-step-list {
  margin: 12px 0;
  padding: 0 0 0 24px;
  color: #c6d4e2;
  font-size: 13.5px;
}
.shell12063-step-list li { padding: 7px 0 7px 4px; border-bottom: 1px solid var(--shell12063-line-soft); }
.shell12063-step-list li::marker { color: var(--shell12063-lime); font-family: var(--shell12063-mono); font-weight: 700; }
.shell12063-step-list b { color: var(--shell12063-text); }

@media (max-width: 359px) {
  .shell12063-brand-name { font-size: 17px; letter-spacing: 1px; }
  .shell12063-btn--tight { padding: 8px 10px; font-size: 11px; }
  .shell12063-h1 { font-size: 20px; }
  .shell12063-promo-actions { grid-template-columns: 1fr; }
  .shell12063-table td:first-child { white-space: normal; }
}