/* =====================================================================
   tk6666.cfd - mobile-first gaming shell
   file    : css/tk6666-shell-5002be.css
   prefix  : surface2be18-
   palette : ink #2E4057 / gold #D4AF37 / pale #FFEF94 / silver #C0C0C0
   direction: poster headings with narrow body text, small-medium radii,
              pure-image game cards with short names below,
              compact metric-explanation rhythm, colour-only state
              changes, compact dual-button CTA groups
   ===================================================================== */

/* ----------------------------- tokens ------------------------------ */
:root {
  --surface2be18-ink: #2E4057;
  --surface2be18-ink-deep: #22334A;
  --surface2be18-ink-raise: #3A506E;
  --surface2be18-gold: #D4AF37;
  --surface2be18-gold-soft: #E3C55C;
  --surface2be18-pale: #FFEF94;
  --surface2be18-silver: #C0C0C0;
  --surface2be18-dim: #A7B6C9;
  --surface2be18-line: rgba(212, 175, 55, 0.32);
  --surface2be18-line-soft: rgba(192, 192, 192, 0.18);
  --surface2be18-r-s: 8px;
  --surface2be18-r-m: 12px;
  --surface2be18-pad: 14px;
  --surface2be18-head-h: 58px;
  --surface2be18-dock-h: 62px;
  --surface2be18-font-display: 'Baloo Da 2', 'Hind Siliguri', sans-serif;
  --surface2be18-font-body: 'Hind Siliguri', system-ui, -apple-system, sans-serif;
}

/* ------------------------------ base ------------------------------- */
* { box-sizing: border-box; }

html {
  background: #1A2838;
  -webkit-text-size-adjust: 100%;
}

body.surface2be18-shell {
  margin: 0 auto;
  max-width: 430px; /* stable mobile canvas on wide screens */
  min-height: 100vh;
  background: var(--surface2be18-ink);
  color: var(--surface2be18-silver);
  font-family: var(--surface2be18-font-body);
  font-size: 14px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-tap-highlight-color: rgba(212, 175, 55, 0.18);
  box-shadow: 0 0 26px rgba(0, 0, 0, 0.45);
}

body.surface2be18-noscroll { overflow: hidden; }

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

.surface2be18-shell a { color: var(--surface2be18-pale); text-decoration: none; }

.surface2be18-shell a:hover,
.surface2be18-shell a:focus-visible { color: var(--surface2be18-gold-soft); }

.surface2be18-shell :focus-visible {
  outline: 2px solid var(--surface2be18-gold);
  outline-offset: 2px;
  border-radius: 4px;
}

.surface2be18-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface2be18-pale);
  color: var(--surface2be18-ink-deep);
  padding: 8px 14px;
  border-radius: 0 0 var(--surface2be18-r-s) 0;
  z-index: 200;
  font-weight: 600;
}

.surface2be18-skip:focus { left: 0; }

/* ------------------------------ header ----------------------------- */
.surface2be18-head {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--surface2be18-head-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px 0 12px;
  background: var(--surface2be18-ink-deep);
  border-bottom: 1px solid var(--surface2be18-line);
  z-index: 90;
}

/* asymmetric brand block: ringed logo plate + poster name */
.surface2be18-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.surface2be18-logo {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1.5px solid var(--surface2be18-gold);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.14);
  object-fit: cover;
  flex: none;
}

.surface2be18-name {
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 23px;
  line-height: 1;
  color: var(--surface2be18-pale);
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.surface2be18-acts {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

/* compact dual button group */
.surface2be18-btn {
  font-family: var(--surface2be18-font-body);
  font-weight: 700;
  font-size: 12.5px;
  line-height: 1;
  min-height: 44px;
  padding: 9px 12px;
  border-radius: var(--surface2be18-r-s);
  border: 1px solid var(--surface2be18-gold);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.surface2be18-btn--solid {
  background: var(--surface2be18-gold);
  color: var(--surface2be18-ink-deep);
}

.surface2be18-btn--solid:hover,
.surface2be18-btn--solid:focus-visible {
  background: var(--surface2be18-gold-soft);
  color: var(--surface2be18-ink-deep);
}

.surface2be18-btn--ghost {
  background: transparent;
  color: var(--surface2be18-gold);
}

.surface2be18-btn--ghost:hover,
.surface2be18-btn--ghost:focus-visible {
  background: rgba(212, 175, 55, 0.14);
  color: var(--surface2be18-pale);
}

.surface2be18-burger {
  width: 38px;
  height: 34px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--surface2be18-line-soft);
  border-radius: var(--surface2be18-r-s);
  cursor: pointer;
  flex: none;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.surface2be18-burger:hover,
.surface2be18-burger:focus-visible {
  border-color: var(--surface2be18-gold);
  background: rgba(212, 175, 55, 0.12);
}

.surface2be18-burger-bar {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--surface2be18-pale);
}

/* --------------------------- menu layer ---------------------------- */
.surface2be18-menu {
  position: fixed;
  top: 0;
  left: 0;
  height: 100%;
  width: min(84vw, 320px);
  background: var(--surface2be18-ink-deep);
  border-right: 1px solid var(--surface2be18-line);
  z-index: 120;
  display: flex;
  flex-direction: column;
  padding: 0 0 calc(var(--surface2be18-dock-h) + env(safe-area-inset-bottom, 0px)) 0;
  visibility: hidden;
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.surface2be18-menu--open {
  visibility: visible;
  opacity: 1;
  transform: translateX(0);
}

.surface2be18-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px 10px;
  border-bottom: 1px solid var(--surface2be18-line-soft);
}

.surface2be18-menu-tag {
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 17px;
  color: var(--surface2be18-pale);
}

.surface2be18-menu-close {
  font-family: var(--surface2be18-font-body);
  font-size: 12.5px;
  font-weight: 600;
  min-height: 34px;
  padding: 8px 12px;
  border-radius: var(--surface2be18-r-s);
  border: 1px solid var(--surface2be18-line);
  background: transparent;
  color: var(--surface2be18-gold);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.surface2be18-menu-close:hover,
.surface2be18-menu-close:focus-visible {
  background: rgba(212, 175, 55, 0.14);
  color: var(--surface2be18-pale);
}

.surface2be18-menu-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 12px;
  overflow-y: auto;
}

.surface2be18-menu-item {
  display: block;
  padding: 11px 12px;
  margin: 4px 0;
  border-radius: var(--surface2be18-r-s);
  border: 1px solid transparent;
  color: var(--surface2be18-silver);
  font-weight: 600;
  font-size: 14.5px;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.surface2be18-menu-item:hover,
.surface2be18-menu-item:focus-visible {
  background: rgba(212, 175, 55, 0.12);
  color: var(--surface2be18-pale);
}

.surface2be18-menu-item--here {
  border-color: var(--surface2be18-gold);
  color: var(--surface2be18-gold-soft);
  background: rgba(212, 175, 55, 0.08);
}

.surface2be18-menu-note {
  margin: auto 16px 12px;
  padding-top: 12px;
  border-top: 1px solid var(--surface2be18-line-soft);
  font-size: 11.5px;
  color: var(--surface2be18-dim);
}

/* ------------------------------ main ------------------------------- */
.surface2be18-main {
  padding: var(--surface2be18-head-h) 0 calc(var(--surface2be18-dock-h) + 26px + env(safe-area-inset-bottom, 0px));
}

.surface2be18-section {
  padding: 22px var(--surface2be18-pad) 6px;
  scroll-margin-top: calc(var(--surface2be18-head-h) + 8px);
}

/* ---------------------------- carousel ----------------------------- */
.surface2be18-carousel {
  position: relative;
  margin: 10px var(--surface2be18-pad) 0;
  border-radius: var(--surface2be18-r-m);
  border: 1px solid var(--surface2be18-line);
  overflow: hidden;
  background: var(--surface2be18-ink-deep);
}

.surface2be18-slide {
  position: relative;
  aspect-ratio: 375 / 152;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.45s ease, visibility 0.45s;
}

.surface2be18-slide--on {
  opacity: 1;
  visibility: visible;
}

.surface2be18-slide-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface2be18-slide-cap {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 22px 14px 9px;
  background: linear-gradient(180deg, rgba(34, 51, 74, 0) 0%, rgba(34, 51, 74, 0.92) 78%);
  color: var(--surface2be18-pale);
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 15.5px;
  line-height: 1.3;
}

.surface2be18-dots {
  position: absolute;
  right: 10px;
  bottom: 8px;
  display: flex;
  gap: 6px;
  z-index: 5;
}

.surface2be18-dot {
  width: 22px;
  height: 6px;
  padding: 0;
  border-radius: 3px;
  border: 1px solid var(--surface2be18-gold);
  background: transparent;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.surface2be18-dot--on { background: var(--surface2be18-gold); }

/* ----------------------------- metrics ----------------------------- */
.surface2be18-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 7px;
  margin: 12px var(--surface2be18-pad) 0;
}

.surface2be18-metric {
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line-soft);
  border-radius: var(--surface2be18-r-s);
  padding: 9px 4px 7px;
  text-align: center;
}

.surface2be18-metric-num {
  display: block;
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.15;
  color: var(--surface2be18-gold);
}

.surface2be18-metric-lab {
  display: block;
  margin-top: 2px;
  font-size: 10.5px;
  color: var(--surface2be18-dim);
  line-height: 1.3;
}

@media (max-width: 349px) {
  .surface2be18-metrics { grid-template-columns: repeat(2, 1fr); }
}

/* ------------------------------ intro ------------------------------ */
.surface2be18-intro { padding: 20px var(--surface2be18-pad) 4px; }

.surface2be18-intro h1 {
  margin: 0 0 12px;
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 22px;
  line-height: 1.32;
  color: var(--surface2be18-pale);
  text-wrap: balance;
}

.surface2be18-lede { margin: 0 0 10px; }

.surface2be18-lede strong { color: var(--surface2be18-gold-soft); font-weight: 600; }

.surface2be18-cta {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.surface2be18-cta .surface2be18-btn { flex: 1; }

/* --------------------------- game sections ------------------------- */
.surface2be18-sec-head {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 8px;
}

.surface2be18-sec-title {
  margin: 0;
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 18.5px;
  line-height: 1.35;
  color: var(--surface2be18-pale);
}

.surface2be18-sec-count {
  flex: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--surface2be18-gold);
  border: 1px solid var(--surface2be18-line);
  border-radius: 999px;
  padding: 2px 9px;
  white-space: nowrap;
}

.surface2be18-sec-lead { margin: 0 0 12px; font-size: 13px; }

/* pure-image card grid */
.surface2be18-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px 7px;
}

@media (min-width: 375px) {
  .surface2be18-grid { grid-template-columns: repeat(5, 1fr); }
}

.surface2be18-card {
  display: flex;
  flex-direction: column;
  gap: 5px;
  border-radius: var(--surface2be18-r-s);
  border: 1px solid var(--surface2be18-line-soft);
  background: var(--surface2be18-ink-deep);
  padding: 5px 5px 7px;
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.surface2be18-card:hover,
.surface2be18-card:focus-visible,
.surface2be18-card:active {
  border-color: var(--surface2be18-gold);
  background: var(--surface2be18-ink-raise);
}

.surface2be18-card-frame {
  display: block;
  border-radius: 6px;
  overflow: hidden;
  aspect-ratio: 1 / 1;
  background: rgba(192, 192, 192, 0.06);
}

.surface2be18-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface2be18-card-title {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  overflow: hidden;
  text-align: center;
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--surface2be18-silver);
  min-height: 28px;
  word-break: break-word;
}

.surface2be18-card:hover .surface2be18-card-title,
.surface2be18-card:focus-visible .surface2be18-card-title {
  color: var(--surface2be18-pale);
}

/* ------------------------------ tricks ----------------------------- */
.surface2be18-tricks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.surface2be18-trick {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line-soft);
  border-left: 3px solid var(--surface2be18-gold);
  border-radius: var(--surface2be18-r-s);
  padding: 10px 12px;
}

.surface2be18-trick-num {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--surface2be18-gold);
  color: var(--surface2be18-gold);
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 12.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.surface2be18-trick p { margin: 0; font-size: 13px; }

/* ---------------------------- testimonials ------------------------- */
.surface2be18-quotes {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.surface2be18-quote {
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line-soft);
  border-radius: var(--surface2be18-r-m);
  padding: 12px 13px;
}

.surface2be18-quote-who {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 7px;
}

.surface2be18-quote-avatar {
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid var(--surface2be18-line);
  background: rgba(212, 175, 55, 0.12);
  color: var(--surface2be18-gold-soft);
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.surface2be18-quote-name { font-weight: 700; font-size: 13px; color: var(--surface2be18-pale); }

.surface2be18-quote-role { display: block; font-size: 11px; color: var(--surface2be18-dim); }

.surface2be18-quote p { margin: 0; font-size: 13px; }

.surface2be18-quote-note {
  margin: 10px 0 0;
  font-size: 11.5px;
  color: var(--surface2be18-dim);
}

/* ---------------------------- app module --------------------------- */
.surface2be18-app {
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line);
  border-radius: var(--surface2be18-r-m);
  padding: 14px 13px;
}

.surface2be18-app-steps {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.surface2be18-app-steps li {
  position: relative;
  padding-left: 18px;
  font-size: 13px;
}

.surface2be18-app-steps li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 8px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--surface2be18-gold);
}

/* ---------------------------- promo strip -------------------------- */
.surface2be18-promo-strip {
  display: flex;
  gap: 9px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 2px 10px;
  margin: 0 calc(var(--surface2be18-pad) * -1);
  padding-left: var(--surface2be18-pad);
  padding-right: var(--surface2be18-pad);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.surface2be18-promo-strip::-webkit-scrollbar { display: none; }

.surface2be18-promo-card {
  flex: 0 0 78%;
  scroll-snap-align: start;
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line);
  border-radius: var(--surface2be18-r-m);
  padding: 12px 13px;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.surface2be18-promo-card:hover,
.surface2be18-promo-card:focus-visible,
.surface2be18-promo-card:active {
  background: var(--surface2be18-ink-raise);
  border-color: var(--surface2be18-gold);
}

.surface2be18-promo-tag {
  display: inline-block;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--surface2be18-ink-deep);
  background: var(--surface2be18-gold);
  border-radius: 999px;
  padding: 3px 10px;
  margin-bottom: 7px;
}

.surface2be18-promo-card h3 {
  margin: 0 0 4px;
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--surface2be18-pale);
}

.surface2be18-promo-desc { margin: 0; font-size: 12px; color: var(--surface2be18-dim); }

.surface2be18-promo-go {
  display: inline-block;
  margin-top: 8px;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--surface2be18-gold);
}

/* ------------------------------ terms ------------------------------ */
.surface2be18-terms { display: flex; flex-direction: column; gap: 8px; }

.surface2be18-term {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 10px;
  background: var(--surface2be18-ink-deep);
  border: 1px solid var(--surface2be18-line-soft);
  border-radius: var(--surface2be18-r-s);
  padding: 10px 12px;
}

.surface2be18-term-name {
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 13px;
  color: var(--surface2be18-gold-soft);
  line-height: 1.4;
}

.surface2be18-term-def { margin: 0; font-size: 12.5px; }

/* --------------------------- extended footer ----------------------- */
.surface2be18-extfoot {
  margin-top: 26px;
  border-top: 1px solid var(--surface2be18-line);
  background: var(--surface2be18-ink-deep);
  padding: 18px var(--surface2be18-pad) 16px;
}

.surface2be18-ef-brand {
  display: flex;
  gap: 11px;
  align-items: flex-start;
}

.surface2be18-ef-logo {
  flex: none;
  width: 46px;
  height: 46px;
  border-radius: 10px;
  border: 1.5px solid var(--surface2be18-gold);
  object-fit: cover;
}

.surface2be18-ef-brand h2 {
  margin: 0 0 5px;
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 17px;
  color: var(--surface2be18-pale);
}

.surface2be18-ef-brand p { margin: 0; font-size: 12.5px; }

/* two-column page directory */
.surface2be18-ef-dir { margin-top: 18px; }

.surface2be18-ef-dir h2 {
  margin: 0 0 9px;
  font-family: var(--surface2be18-font-display);
  font-weight: 700;
  font-size: 15.5px;
  color: var(--surface2be18-gold-soft);
}

.surface2be18-ef-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
}

.surface2be18-ef-links a {
  display: block;
  padding: 8px 10px;
  border: 1px solid var(--surface2be18-line-soft);
  border-radius: var(--surface2be18-r-s);
  background: rgba(58, 80, 110, 0.35);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--surface2be18-silver);
  transition: color 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
}

.surface2be18-ef-links a:hover,
.surface2be18-ef-links a:focus-visible {
  color: var(--surface2be18-pale);
  border-color: var(--surface2be18-gold);
  background: rgba(212, 175, 55, 0.1);
}

/* promotion action grid */
.surface2be18-ef-actions {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.surface2be18-ef-action {
  font-family: var(--surface2be18-font-body);
  font-size: 12.5px;
  font-weight: 700;
  min-height: 44px;
  padding: 10px 8px;
  border-radius: var(--surface2be18-r-s);
  border: 1px solid var(--surface2be18-gold);
  background: var(--surface2be18-gold);
  color: var(--surface2be18-ink-deep);
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.surface2be18-ef-action--alt {
  background: transparent;
  color: var(--surface2be18-gold);
}

.surface2be18-ef-action:hover,
.surface2be18-ef-action:focus-visible,
.surface2be18-ef-action:active { background: var(--surface2be18-gold-soft); color: var(--surface2be18-ink-deep); }

.surface2be18-ef-action--alt:hover,
.surface2be18-ef-action--alt:focus-visible,
.surface2be18-ef-action--alt:active {
  background: rgba(212, 175, 55, 0.14);
  color: var(--surface2be18-pale);
}

/* conditional disclaimer note */
.surface2be18-ef-note {
  margin: 16px 0 0;
  padding: 10px 12px;
  border: 1px dashed var(--surface2be18-line);
  border-radius: var(--surface2be18-r-s);
  font-size: 11.5px;
  color: var(--surface2be18-dim);
}

/* ------------------------------ footer ----------------------------- */
.surface2be18-foot {
  border-top: 1px solid var(--surface2be18-line-soft);
  padding: 14px var(--surface2be18-pad) 16px;
  text-align: center;
}

.surface2be18-foot-copy {
  margin: 0;
  font-size: 11.5px;
  color: var(--surface2be18-dim);
}

/* ---------------------------- bottom dock -------------------------- */
.surface2be18-dock {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: calc(var(--surface2be18-dock-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: flex;
  align-items: stretch;
  background: rgba(34, 51, 74, 0.97);
  border-top: 1px solid var(--surface2be18-line);
  z-index: 95;
}

/* sliding indicator dot above the active role */
.surface2be18-dock-indicator {
  position: absolute;
  top: -1px;
  left: 0;
  width: 26px;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: var(--surface2be18-gold);
  transition: transform 0.28s ease, width 0.28s ease;
}

.surface2be18-dock-item {
  flex: 1 1 0;
  min-width: 0;
  min-height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 7px 2px 5px;
  color: var(--surface2be18-silver);
  border: none;
  border-right: 1px solid var(--surface2be18-line-soft);
  background: transparent;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.surface2be18-dock-item:last-child { border-right: none; }

.surface2be18-dock-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  transition: transform 0.2s ease, color 0.2s ease;
  color: currentColor;
}

.surface2be18-dock-icon svg { width: 22px; height: 22px; display: block; }

.surface2be18-dock-label {
  font-size: 10px;
  font-weight: 600;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.surface2be18-dock-item:hover { color: var(--surface2be18-pale); }

.surface2be18-dock-item--active { color: var(--surface2be18-gold); }

/* slight lift + brighter mark for the active role */
.surface2be18-dock-item--active .surface2be18-dock-icon { transform: translateY(-2px); color: var(--surface2be18-gold-soft); }

.surface2be18-dock-item--active .surface2be18-dock-label { color: var(--surface2be18-gold-soft); }

/* --------------------------- shared helpers ------------------------ */
.surface2be18-h2 {
  margin: 0 0 9px;
  font-family: var(--surface2be18-font-display);
  font-weight: 800;
  font-size: 18.5px;
  line-height: 1.35;
  color: var(--surface2be18-pale);
}

.surface2be18-lead { margin: 0 0 12px; font-size: 13px; }

.surface2be18-lead a,
.surface2be18-lede a,
.surface2be18-sec-lead a,
.surface2be18-trick a,
.surface2be18-term-def a,
.surface2be18-ef-brand p a {
  color: var(--surface2be18-gold-soft);
  border-bottom: 1px dotted var(--surface2be18-gold);
  font-weight: 600;
}

/* --------------------------- motion preference --------------------- */
@media (prefers-reduced-motion: reduce) {
  .surface2be18-shell *,
  .surface2be18-dock-indicator {
    transition-duration: 0.01ms !important;
  }
}