/* ============================================================
   7u77.click - mobile-first display stylesheet
   Canvas: 320-430px phone frame, centered on wide screens
   Palette: #1C2833 base / #CD853F light / #D2691E action / #808080 mute
   ============================================================ */

:root {
  --surface4901a-shell: #10161d;
  --surface4901a-base: #1C2833;
  --surface4901a-panel: #243440;
  --surface4901a-panel-2: #2b3d4b;
  --surface4901a-line: #3a4c5a;
  --surface4901a-ink: #0e141a;
  --surface4901a-text: #f0e6d6;
  --surface4901a-soft: #cfc3ad;
  --surface4901a-mute: #8d9aa4;
  --surface4901a-choco: #D2691E;
  --surface4901a-choco-deep: #b4571a;
  --surface4901a-peru: #CD853F;
  --surface4901a-peru-soft: rgba(205, 133, 63, 0.16);
  --surface4901a-gray: #808080;
  --surface4901a-ok: #7fbf8e;
  --surface4901a-radius-lg: 18px;
  --surface4901a-radius-md: 12px;
  --surface4901a-radius-sm: 8px;
  --surface4901a-font-head: "Noto Serif Bengali", "SolaimanLipi", "Bangla MN", Georgia, serif;
  --surface4901a-font-body: "Noto Sans Bengali", "Hind Siliguri", "SolaimanLipi", system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--surface4901a-shell);
  background-image: radial-gradient(circle at 50% 0%, #1a2530 0%, var(--surface4901a-shell) 62%);
  color: var(--surface4901a-text);
  font-family: var(--surface4901a-font-body);
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
}

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

a { color: var(--surface4901a-peru); }

:focus-visible {
  outline: 2px solid var(--surface4901a-peru);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- phone canvas ---------- */

.surface4901a-canvas {
  position: relative;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--surface4901a-base);
  box-shadow: 0 0 44px rgba(0, 0, 0, 0.55);
  overflow-x: clip;
}

.surface4901a-page {
  padding-top: 58px;           /* fixed brand bar */
  padding-bottom: 108px;       /* fixed bottom tab bar + air */
}

/* ---------- top brand bar (compact) ---------- */

.surface4901a-topbar {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 60;
  background: linear-gradient(180deg, #202e3a 0%, #1b2733 100%);
  border-bottom: 1px solid var(--surface4901a-line);
  padding: 7px 10px 7px 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.surface4901a-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  text-decoration: none;
  color: var(--surface4901a-text);
  margin-right: auto;
}

.surface4901a-brandLogo {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(205, 133, 63, 0.5);
  object-fit: cover;
  flex: none;
}

.surface4901a-brandName {
  font-family: var(--surface4901a-font-head);
  font-size: 21px;
  font-weight: 700;
  letter-spacing: 0.4px;
  line-height: 1.1;
}

.surface4901a-brandName em {
  font-style: normal;
  color: var(--surface4901a-peru);
}

.surface4901a-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: none;
}

/* light-rounded text CTA group */
.surface4901a-btn {
  font-family: var(--surface4901a-font-body);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1;
  border-radius: var(--surface4901a-radius-sm);
  padding: 11px 13px;
  min-height: 36px;
  min-width: 44px;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.12s ease, border-color 0.18s ease;
}

.surface4901a-btn:active { transform: scale(0.96); }

.surface4901a-btn--register {
  background: linear-gradient(160deg, var(--surface4901a-choco) 0%, var(--surface4901a-choco-deep) 100%);
  color: #fff6ec;
}

.surface4901a-btn--login {
  background: transparent;
  border-color: var(--surface4901a-peru);
  color: var(--surface4901a-peru);
}

.surface4901a-btn--login:active { background: var(--surface4901a-peru-soft); }

.surface4901a-menuBtn {
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--surface4901a-line);
  border-radius: var(--surface4901a-radius-sm);
  color: var(--surface4901a-soft);
  cursor: pointer;
}

.surface4901a-menuBtn svg { width: 21px; height: 21px; }

.surface4901a-menuBtn[aria-expanded="true"] { color: var(--surface4901a-peru); border-color: var(--surface4901a-peru); }

/* ---------- full-height menu layer ---------- */

.surface4901a-menu {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 100%;
  max-width: 430px;
  transform: translateX(-50%) translateX(102%);
  transition: transform 0.28s ease;
  z-index: 90;
  background: linear-gradient(190deg, #24333f 0%, #1a2530 55%, #16202a 100%);
  border-left: 1px solid var(--surface4901a-line);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  visibility: hidden;
}

.surface4901a-menu--open {
  transform: translateX(-50%) translateX(0);
  visibility: visible;
}

.surface4901a-menuHead {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--surface4901a-line);
  position: sticky;
  top: 0;
  background: #202d39;
}

.surface4901a-menuHead img {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  object-fit: cover;
}

.surface4901a-menuTitle {
  font-family: var(--surface4901a-font-head);
  font-size: 17px;
  font-weight: 700;
  color: var(--surface4901a-text);
  margin-right: auto;
}

.surface4901a-menuClose {
  width: 44px;
  height: 44px;
  border-radius: var(--surface4901a-radius-sm);
  border: 1px solid var(--surface4901a-line);
  background: transparent;
  color: var(--surface4901a-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.surface4901a-menuClose svg { width: 19px; height: 19px; }

.surface4901a-menuList {
  list-style: none;
  margin: 10px 0 0;
  padding: 0 12px 16px;
}

.surface4901a-menuList li {
  position: relative;
}

.surface4901a-menuList a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 46px;
  padding: 10px 12px;
  border-radius: var(--surface4901a-radius-sm);
  color: var(--surface4901a-soft);
  text-decoration: none;
  font-size: 14.5px;
  transition: background-color 0.18s ease, color 0.18s ease;
  position: relative;
}

.surface4901a-menuList a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  height: 0;
  width: 3px;
  border-radius: 2px;
  background: var(--surface4901a-choco);
  transform: translateY(-50%);
  transition: height 0.2s ease;
}

.surface4901a-menuList a:hover,
.surface4901a-menuList a:focus-visible {
  background: var(--surface4901a-peru-soft);
  color: var(--surface4901a-text);
}

.surface4901a-menuList a:hover::before { height: 60%; }

.surface4901a-menuList a span:first-child { flex: 1; }

.surface4901a-menuList .surface4901a-menuArrow { color: var(--surface4901a-gray); font-size: 12px; }

.surface4901a-menuCta {
  margin: 14px 12px 22px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.surface4901a-menuCta .surface4901a-btn { min-height: 44px; font-size: 13.5px; }

.surface4901a-menuScrim {
  position: fixed;
  inset: 0;
  background: rgba(10, 15, 20, 0.6);
  z-index: 80;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease;
}

.surface4901a-menuScrim--show { opacity: 1; visibility: visible; }

/* ---------- hero carousel ---------- */

.surface4901a-hero {
  position: relative;
  margin: 10px 10px 0;
  border-radius: var(--surface4901a-radius-lg);
  overflow: hidden;
  border: 1px solid var(--surface4901a-line);
  background: var(--surface4901a-panel);
}

.surface4901a-heroTrack {
  display: flex;
  transition: transform 0.45s cubic-bezier(0.33, 0.9, 0.35, 1);
  touch-action: pan-y;
}

.surface4901a-heroSlide {
  flex: 0 0 100%;
  display: block;
  position: relative;
  text-decoration: none;
}

.surface4901a-heroSlide img {
  width: 100%;
  aspect-ratio: 430 / 200;
  object-fit: cover;
}

.surface4901a-heroCap {
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(14, 20, 26, 0.72);
  border: 1px solid rgba(205, 133, 63, 0.35);
  border-radius: var(--surface4901a-radius-md);
  padding: 7px 11px;
  backdrop-filter: blur(3px);
}

.surface4901a-heroCap strong {
  font-family: var(--surface4901a-font-head);
  font-size: 13.5px;
  color: #ffe9d2;
  line-height: 1.35;
  font-weight: 700;
}

.surface4901a-heroCap .surface4901a-heroChip {
  margin-left: auto;
  flex: none;
  font-size: 11px;
  font-weight: 700;
  color: #fff6ec;
  background: var(--surface4901a-choco);
  border-radius: 999px;
  padding: 6px 11px;
}

.surface4901a-heroDots {
  position: absolute;
  right: 10px;
  top: 10px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.surface4901a-heroDot {
  width: 22px;
  height: 8px;
  min-height: 8px;
  padding: 0;
  border-radius: 999px;
  border: none;
  background: rgba(240, 230, 214, 0.4);
  cursor: pointer;
  transition: background-color 0.2s ease, width 0.2s ease;
}

.surface4901a-heroDot--on { background: var(--surface4901a-peru); width: 30px; }

/* ---------- H1 intro ---------- */

.surface4901a-intro {
  margin: 14px 10px 4px;
  padding: 16px 14px 15px;
  border-radius: var(--surface4901a-radius-lg);
  background:
    linear-gradient(155deg, rgba(205, 133, 63, 0.2) 0%, rgba(28, 40, 51, 0) 55%),
    var(--surface4901a-panel);
  border: 1px solid var(--surface4901a-line);
  border-top: 3px solid var(--surface4901a-choco);
}

.surface4901a-intro h1 {
  font-family: var(--surface4901a-font-head);
  font-size: 22px;
  line-height: 1.45;
  margin: 0 0 8px;
  color: #ffe9d2;
  letter-spacing: 0.2px;
}

.surface4901a-intro p {
  margin: 0;
  font-size: 14px;
  color: var(--surface4901a-soft);
}

.surface4901a-factRow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 12px;
}

.surface4901a-fact {
  background: rgba(16, 22, 29, 0.55);
  border: 1px solid var(--surface4901a-line);
  border-radius: var(--surface4901a-radius-sm);
  padding: 7px 6px 6px;
  text-align: center;
}

.surface4901a-fact b {
  display: block;
  font-family: var(--surface4901a-font-head);
  font-size: 15px;
  color: var(--surface4901a-peru);
  line-height: 1.2;
}

.surface4901a-fact span { font-size: 10.5px; color: var(--surface4901a-mute); }

/* ---------- game sections ---------- */

.surface4901a-gameSection { margin: 18px 10px 0; }

.surface4901a-secHead {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px 8px;
}

.surface4901a-secHead h2 {
  font-family: var(--surface4901a-font-head);
  font-size: 17.5px;
  margin: 0;
  color: #ffe9d2;
  line-height: 1.4;
}

.surface4901a-secCount {
  margin-left: auto;
  flex: none;
  font-size: 11px;
  font-weight: 700;
  color: var(--surface4901a-peru);
  background: var(--surface4901a-peru-soft);
  border: 1px solid rgba(205, 133, 63, 0.4);
  border-radius: 999px;
  padding: 3px 9px;
}

.surface4901a-secLead {
  margin: 0 2px 10px;
  font-size: 13.5px;
  color: var(--surface4901a-soft);
}

.surface4901a-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

/* 4 cols on 320px, 5 cols from 390px up */
@media (min-width: 390px) {
  .surface4901a-grid { grid-template-columns: repeat(5, 1fr); gap: 9px; }
}

/* game card: square art with a name bar pinned to the bottom */
.surface4901a-game {
  display: block;
  text-decoration: none;
  border-radius: var(--surface4901a-radius-md);
  overflow: hidden;
  background: var(--surface4901a-panel-2);
  border: 1px solid var(--surface4901a-line);
  transition: transform 0.14s ease, border-color 0.18s ease;
}

.surface4901a-game:active {
  transform: translateY(2px) scale(0.97);
  border-color: var(--surface4901a-peru);
}

.surface4901a-gamePic {
  display: block;
  position: relative;
  aspect-ratio: 1 / 1;
  background: #16202a;
}

.surface4901a-gamePic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface4901a-gameName {
  display: block;
  min-height: 34px;
  padding: 4px 5px 5px;
  font-size: 10.8px;
  line-height: 1.35;
  text-align: center;
  color: #f3ead9;
  background: linear-gradient(180deg, #1d2934 0%, #18222c 100%);
  border-top: 1px solid rgba(58, 76, 90, 0.8);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.surface4901a-gameTag {
  position: absolute;
  top: 5px;
  left: 5px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.3px;
  color: #fff3e4;
  background: rgba(210, 105, 30, 0.92);
  border-radius: 6px;
  padding: 2px 6px;
}

/* per-category internal follow-up links */
.surface4901a-secLinks {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 10px 0 0;
}

.surface4901a-secLinks a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px dashed rgba(205, 133, 63, 0.55);
  background: rgba(16, 22, 29, 0.45);
  color: var(--surface4901a-soft);
  text-decoration: none;
  font-size: 12.2px;
  line-height: 1.3;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.surface4901a-secLinks a::before {
  content: "\203A";
  color: var(--surface4901a-peru);
  font-weight: 700;
  margin-right: 6px;
}

.surface4901a-secLinks a:hover,
.surface4901a-secLinks a:focus-visible {
  color: var(--surface4901a-text);
  border-color: var(--surface4901a-peru);
  border-style: solid;
}

/* ---------- reading modules ---------- */

.surface4901a-module {
  margin: 20px 10px 0;
  padding: 15px 14px 16px;
  border-radius: var(--surface4901a-radius-lg);
  background: var(--surface4901a-panel);
  border: 1px solid var(--surface4901a-line);
}

.surface4901a-module--tilt { border-radius: 20px 12px 18px 12px; }

.surface4901a-module > h2 {
  font-family: var(--surface4901a-font-head);
  font-size: 18px;
  line-height: 1.5;
  margin: 0 0 9px;
  color: #ffe9d2;
}

.surface4901a-module h2 .surface4901a-h2Mark {
  display: inline-block;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: var(--surface4901a-choco);
  margin-right: 7px;
  transform: rotate(45deg);
}

.surface4901a-module h3 {
  font-family: var(--surface4901a-font-head);
  font-size: 15px;
  margin: 14px 0 6px;
  color: var(--surface4901a-peru);
}

.surface4901a-module p {
  margin: 0 0 10px;
  font-size: 14px;
  color: var(--surface4901a-soft);
}

.surface4901a-module p:last-child { margin-bottom: 0; }

.surface4901a-leadAnswer {
  border-left: 3px solid var(--surface4901a-peru);
  background: rgba(205, 133, 63, 0.1);
  border-radius: 0 var(--surface4901a-radius-sm) var(--surface4901a-radius-sm) 0;
  padding: 9px 11px;
  font-size: 14px;
  color: var(--surface4901a-text);
  margin: 0 0 11px;
}

.surface4901a-steps {
  list-style: none;
  margin: 4px 0 10px;
  padding: 0;
  counter-reset: surface4901a-step;
}

.surface4901a-steps li {
  counter-increment: surface4901a-step;
  position: relative;
  padding: 0 0 9px 38px;
  font-size: 13.8px;
  color: var(--surface4901a-soft);
}

.surface4901a-steps li::before {
  content: counter(surface4901a-step);
  position: absolute;
  left: 0;
  top: 1px;
  width: 26px;
  height: 26px;
  border-radius: 9px;
  background: var(--surface4901a-peru-soft);
  border: 1px solid rgba(205, 133, 63, 0.5);
  color: var(--surface4901a-peru);
  font-family: var(--surface4901a-font-head);
  font-weight: 700;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.surface4901a-steps li b { color: var(--surface4901a-text); }

.surface4901a-faq { margin: 4px 0 0; }

.surface4901a-faq details {
  border: 1px solid var(--surface4901a-line);
  border-radius: var(--surface4901a-radius-md);
  background: rgba(16, 22, 29, 0.4);
  margin-bottom: 8px;
  overflow: hidden;
}

.surface4901a-faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 12px;
  font-size: 13.8px;
  font-weight: 700;
  color: var(--surface4901a-text);
  transition: background-color 0.18s ease;
}

.surface4901a-faq summary::-webkit-details-marker { display: none; }

.surface4901a-faq summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--surface4901a-peru);
  border: 1px solid rgba(205, 133, 63, 0.5);
  font-size: 14px;
  transition: transform 0.18s ease;
}

.surface4901a-faq details[open] summary::after { transform: rotate(45deg); }

.surface4901a-faq details[open] summary { background: var(--surface4901a-peru-soft); }

.surface4901a-faq p {
  margin: 0;
  padding: 10px 12px 12px;
  font-size: 13.5px;
  color: var(--surface4901a-soft);
  border-top: 1px dashed var(--surface4901a-line);
}

.surface4901a-terms { margin: 4px 0 0; }

.surface4901a-terms dt {
  font-family: var(--surface4901a-font-head);
  font-weight: 700;
  font-size: 14px;
  color: var(--surface4901a-peru);
  margin-top: 10px;
}

.surface4901a-terms dt:first-child { margin-top: 0; }

.surface4901a-terms dd {
  margin: 3px 0 0;
  font-size: 13.5px;
  color: var(--surface4901a-soft);
}

.surface4901a-bodyLink {
  color: var(--surface4901a-peru);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(205, 133, 63, 0.55);
}

/* compare table for game selection */
.surface4901a-pick {
  border: 1px solid var(--surface4901a-line);
  border-radius: var(--surface4901a-radius-md);
  overflow: hidden;
  margin: 6px 0 10px;
}

.surface4901a-pickRow {
  display: grid;
  grid-template-columns: 1fr;
  padding: 9px 11px;
  border-bottom: 1px solid rgba(58, 76, 90, 0.6);
  background: rgba(16, 22, 29, 0.35);
}

.surface4901a-pickRow:last-child { border-bottom: none; }

.surface4901a-pickRow b {
  display: block;
  font-size: 13.5px;
  color: var(--surface4901a-text);
  margin-bottom: 2px;
}

.surface4901a-pickRow span { font-size: 13px; color: var(--surface4901a-soft); }

/* ---------- extended footer ---------- */

.surface4901a-ext {
  margin: 22px 10px 0;
  border-radius: var(--surface4901a-radius-lg);
  background: linear-gradient(175deg, #26364314 0%, #202c38 100%);
  border: 1px solid var(--surface4901a-line);
  padding: 14px 12px 15px;
}

.surface4901a-extTitle {
  font-family: var(--surface4901a-font-head);
  font-size: 16px;
  font-weight: 700;
  color: #ffe9d2;
  margin: 0 0 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.surface4901a-extTitle::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(205, 133, 63, 0.6), rgba(205, 133, 63, 0));
}

/* horizontal promo shortcuts */
.surface4901a-shorts {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

.surface4901a-shorts::-webkit-scrollbar { display: none; }

.surface4901a-short {
  flex: none;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 9px 13px;
  border-radius: 999px;
  font-size: 12.8px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid rgba(205, 133, 63, 0.55);
  background: rgba(205, 133, 63, 0.12);
  color: #ffdfb4;
  transition: background-color 0.18s ease, transform 0.12s ease;
}

.surface4901a-short:active { transform: scale(0.95); background: rgba(205, 133, 63, 0.28); }

.surface4901a-short svg { width: 16px; height: 16px; flex: none; }

.surface4901a-short--solid {
  background: linear-gradient(160deg, var(--surface4901a-choco) 0%, var(--surface4901a-choco-deep) 100%);
  border-color: var(--surface4901a-choco);
  color: #fff6ec;
}

.surface4901a-brandBlurb {
  font-size: 13px;
  color: var(--surface4901a-soft);
  margin: 10px 0 12px;
}

.surface4901a-dirTitle {
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: var(--surface4901a-mute);
  text-transform: uppercase;
  margin: 0 0 8px;
}

.surface4901a-dir {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 7px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.surface4901a-dir a {
  display: block;
  min-height: 42px;
  padding: 8px 10px;
  border-radius: var(--surface4901a-radius-sm);
  background: rgba(16, 22, 29, 0.5);
  border: 1px solid var(--surface4901a-line);
  color: var(--surface4901a-soft);
  text-decoration: none;
  font-size: 12.8px;
  line-height: 1.4;
  transition: border-color 0.18s ease, color 0.18s ease;
}

.surface4901a-dir a:hover,
.surface4901a-dir a:focus-visible {
  border-color: var(--surface4901a-peru);
  color: var(--surface4901a-text);
}

.surface4901a-disclaimer {
  margin-top: 12px;
  font-size: 11.8px;
  line-height: 1.65;
  color: var(--surface4901a-mute);
  border-top: 1px dashed var(--surface4901a-line);
  padding-top: 10px;
}

/* ---------- common footer ---------- */

.surface4901a-foot {
  margin: 18px 10px 0;
  text-align: center;
  color: var(--surface4901a-mute);
  font-size: 11.5px;
  line-height: 1.6;
}

.surface4901a-foot b { color: var(--surface4901a-soft); font-weight: 700; }

/* ---------- bottom tab bar (layered strip) ---------- */

.surface4901a-tabwrap {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 70;
}

.surface4901a-tabbar {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: rgba(18, 26, 34, 0.96);
  backdrop-filter: blur(6px);
  border-top: 1px solid var(--surface4901a-line);
  padding: 6px 4px calc(6px + env(safe-area-inset-bottom, 0px));
}

/* sliding indicator on top edge */
.surface4901a-tabInd {
  position: absolute;
  top: -1px;
  left: 10px;
  width: 52px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--surface4901a-choco);
  transition: transform 0.26s cubic-bezier(0.4, 0.8, 0.4, 1);
}

.surface4901a-tabwrap[data-pos="0"] .surface4901a-tabInd { transform: translateX(0); }
.surface4901a-tabwrap[data-pos="1"] .surface4901a-tabInd { transform: translateX(64px); }
.surface4901a-tabwrap[data-pos="2"] .surface4901a-tabInd { transform: translateX(128px); }
.surface4901a-tabwrap[data-pos="3"] .surface4901a-tabInd { transform: translateX(192px); }
.surface4901a-tabwrap[data-pos="4"] .surface4901a-tabInd { transform: translateX(256px); }

@media (min-width: 380px) {
  .surface4901a-tabwrap[data-pos="1"] .surface4901a-tabInd { transform: translateX(72px); }
  .surface4901a-tabwrap[data-pos="2"] .surface4901a-tabInd { transform: translateX(144px); }
  .surface4901a-tabwrap[data-pos="3"] .surface4901a-tabInd { transform: translateX(216px); }
  .surface4901a-tabwrap[data-pos="4"] .surface4901a-tabInd { transform: translateX(288px); }
}

.surface4901a-tab {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 52px;
  padding: 5px 2px 3px;
  text-decoration: none;
  color: var(--surface4901a-mute);
  font-size: 10.2px;
  font-weight: 600;
  line-height: 1.25;
  background: none;
  border: none;
  cursor: pointer;
  transition: color 0.18s ease, transform 0.18s ease;
}

.surface4901a-tab svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.18s ease;
}

.surface4901a-tab:active { color: var(--surface4901a-soft); }

.surface4901a-tab--on {
  color: var(--surface4901a-peru);
  transform: translateY(-2px); /* slight lift for the active role */
}

.surface4901a-tab--on svg {
  fill: var(--surface4901a-peru-soft);
  stroke: var(--surface4901a-peru);
  transform: translateY(-1px);
}

/* ---------- wide screen: keep the phone canvas, soften the sides ---------- */

@media (min-width: 480px) {
  body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
      radial-gradient(circle at 20% 12%, rgba(205, 133, 63, 0.08), transparent 45%),
      radial-gradient(circle at 82% 88%, rgba(210, 105, 30, 0.07), transparent 45%);
    pointer-events: none;
  }
}

/* ---------- small phone safety ---------- */

@media (max-width: 339px) {
  .surface4901a-intro h1 { font-size: 19.5px; }
  .surface4901a-grid { grid-template-columns: repeat(4, 1fr); gap: 6px; }
  .surface4901a-factRow { grid-template-columns: repeat(3, 1fr); }
  .surface4901a-btn { padding: 10px 10px; font-size: 11.5px; }
}

/* ---------- help-page reading layouts ---------- */
.surface4901a-helpHero {
  margin: 12px 10px 0;
  padding: 18px 15px;
  border: 1px solid var(--surface4901a-line);
  border-left: 4px solid var(--surface4901a-choco);
  border-radius: 16px 10px 16px 10px;
  background: linear-gradient(145deg, rgba(205, 133, 63, 0.18), rgba(36, 52, 64, 0.96));
}

.surface4901a-helpHero h1 {
  margin: 0 0 8px;
  color: #ffe9d2;
  font-family: var(--surface4901a-font-head);
  font-size: 23px;
  line-height: 1.4;
}

.surface4901a-helpHero p { margin: 0; color: var(--surface4901a-soft); font-size: 14px; }

.surface4901a-helpMeta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
  margin-top: 14px;
}

.surface4901a-helpMeta span {
  min-height: 52px;
  padding: 7px 5px;
  border: 1px solid rgba(205, 133, 63, 0.34);
  border-radius: 10px;
  background: rgba(16, 22, 29, 0.46);
  color: var(--surface4901a-peru);
  font-size: 11px;
  text-align: center;
}

.surface4901a-helpMeta b { display: block; color: var(--surface4901a-text); font-size: 14px; }

.surface4901a-helpRail {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 12px 10px 2px;
  scrollbar-width: none;
}

.surface4901a-helpRail::-webkit-scrollbar { display: none; }
.surface4901a-helpRail a {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 9px 13px;
  border-radius: 9px;
  border: 1px solid var(--surface4901a-line);
  background: var(--surface4901a-panel);
  color: var(--surface4901a-soft);
  text-decoration: none;
  font-size: 12.5px;
}
.surface4901a-helpRail a:first-child { border-color: var(--surface4901a-peru); color: #ffe9d2; }

.surface4901a-helpBlock {
  margin: 16px 10px 0;
  padding: 15px 14px 16px;
  border-top: 1px solid rgba(205, 133, 63, 0.4);
  border-bottom: 1px solid var(--surface4901a-line);
  background: rgba(36, 52, 64, 0.74);
}
.surface4901a-helpBlock h2 {
  margin: 0 0 8px;
  color: #ffe9d2;
  font-family: var(--surface4901a-font-head);
  font-size: 18px;
  line-height: 1.45;
}
.surface4901a-helpBlock h3 {
  margin: 14px 0 5px;
  color: var(--surface4901a-peru);
  font-family: var(--surface4901a-font-head);
  font-size: 15px;
}
.surface4901a-helpBlock p { margin: 0 0 10px; color: var(--surface4901a-soft); font-size: 14px; }
.surface4901a-helpBlock p:last-child { margin-bottom: 0; }
.surface4901a-helpBlock ul { margin: 7px 0 0; padding: 0; list-style: none; }
.surface4901a-helpBlock li { position: relative; margin: 0 0 8px; padding-left: 20px; color: var(--surface4901a-soft); font-size: 13.7px; }
.surface4901a-helpBlock li::before { content: ''; position: absolute; left: 1px; top: 0.7em; width: 7px; height: 7px; border-radius: 50%; background: var(--surface4901a-choco); }
.surface4901a-helpBlock ol { margin: 7px 0 0; padding-left: 24px; color: var(--surface4901a-soft); }
.surface4901a-helpBlock ol li { padding-left: 3px; }
.surface4901a-helpBlock ol li::before { display: none; }
.surface4901a-helpCallout { margin: 10px 0 0; padding: 10px 11px; border-radius: 8px; background: var(--surface4901a-peru-soft); border-left: 3px solid var(--surface4901a-peru); color: var(--surface4901a-text); font-size: 13.5px; }
.surface4901a-helpLinks { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 11px; }
.surface4901a-helpLinks a { display: block; min-height: 44px; padding: 8px 10px; border-radius: 8px; border: 1px dashed rgba(205, 133, 63, 0.55); color: var(--surface4901a-peru); text-decoration: none; font-size: 12.5px; }
.surface4901a-helpFaq { margin-top: 8px; }
.surface4901a-helpFaq details { padding: 0 0 8px; border-bottom: 1px dashed var(--surface4901a-line); }
.surface4901a-helpFaq details + details { padding-top: 8px; }
.surface4901a-helpFaq summary { cursor: pointer; color: var(--surface4901a-text); font-weight: 700; font-size: 13.5px; }
.surface4901a-helpFaq p { padding: 7px 0 0; font-size: 13.3px; }
.surface4901a-helpCta { margin: 16px 10px 0; padding: 14px; border-radius: 12px; background: linear-gradient(150deg, rgba(210, 105, 30, 0.88), rgba(180, 87, 26, 0.9)); color: #fff6ec; }
.surface4901a-helpCta h2 { margin: 0 0 6px; font-family: var(--surface4901a-font-head); font-size: 18px; }
.surface4901a-helpCta p { margin: 0 0 10px; font-size: 13.5px; }
.surface4901a-helpCta button { min-height: 44px; border: 1px solid rgba(255, 246, 236, 0.5); border-radius: 8px; padding: 9px 14px; background: #1c2833; color: #ffe9d2; font: inherit; font-weight: 700; cursor: pointer; }

@media (prefers-reduced-motion: reduce) {
  .surface4901a-heroTrack,
  .surface4901a-tabInd,
  .surface4901a-menu,
  .surface4901a-game,
  .surface4901a-short,
  .surface4901a-tab svg {
    transition: none;
  }
}