/* ==========================================================================
   cd333.cyou - mobile-first base stylesheet
   Canvas: 320-430px phone layout, centered on wide screens
   Class prefix: surface845ff-
   Palette: #212F3D deep slate / #B03060 ruby / #FF0000 signal red
   Direction: bold compact headings + light body, low radius sections,
   outlined tile cards, question-driven rhythm, short travel transitions,
   icon+text compact CTAs.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  --surface845ff-ink: #212F3D;          /* base deep slate */
  --surface845ff-inkDeep: #18242f;      /* darker slate for backdrop */
  --surface845ff-inkRaise: #273848;     /* raised panel slate */
  --surface845ff-inkHigher: #2d4155;    /* hover slate */
  --surface845ff-line: #3a4f64;         /* outline stroke */
  --surface845ff-lineSoft: #314457;     /* soft divider */
  --surface845ff-text: #eef3f8;         /* primary light text */
  --surface845ff-textSoft: #c4d1de;     /* secondary text */
  --surface845ff-mute: #93a6b8;         /* muted text */
  --surface845ff-ruby: #B03060;         /* brand ruby */
  --surface845ff-rubyBright: #cf5285;   /* ruby tint for text on dark */
  --surface845ff-rubyDim: #8f2750;      /* ruby shade */
  --surface845ff-signal: #FF0000;       /* hot marker only */
  --surface845ff-signalSoft: #ff4d4d;   /* readable red tint */
  --surface845ff-shadow: 0 10px 26px rgba(10, 18, 26, 0.55);
  --surface845ff-r2: 4px;               /* low radius: chip */
  --surface845ff-r4: 6px;               /* low radius: panel */
  --surface845ff-r6: 8px;               /* low radius: hero frame */
  --surface845ff-move: 0.18s cubic-bezier(0.32, 0.72, 0.35, 1);
  --surface845ff-barH: 56px;            /* fixed top bar height */
  --surface845ff-dockH: 62px;           /* fixed dock height */
  --surface845ff-font: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI",
    system-ui, -apple-system, Roboto, Arial, sans-serif;
}

/* --------------------------------------------------------------------------
   2. Reset + canvas
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  background: var(--surface845ff-inkDeep);
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0 auto;
  max-width: 430px;                       /* phone canvas stays 430px max */
  min-height: 100vh;
  background: var(--surface845ff-ink);
  color: var(--surface845ff-text);
  font-family: var(--surface845ff-font);
  font-size: 14px;
  line-height: 1.62;
  font-weight: 400;
  border-inline: 1px solid var(--surface845ff-lineSoft);
  overflow-x: hidden;
}

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

a {
  color: var(--surface845ff-rubyBright);
  text-decoration: none;
  transition: color var(--surface845ff-move);
}

a:hover { color: #ffffff; }

ul, ol { margin: 0; padding: 0; list-style: none; }

p { margin: 0 0 10px; }

button {
  font-family: inherit;
  border: 0;
  cursor: pointer;
  color: inherit;
  background: none;
}

:focus-visible {
  outline: 2px solid var(--surface845ff-rubyBright);
  outline-offset: 2px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */
.surface845ff-h1 {
  margin: 0 0 8px;
  font-size: 21px;
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: 0.1px;
  color: #ffffff;
}

.surface845ff-secHead {
  margin: 0 0 6px;
  font-size: 16.5px;
  line-height: 1.4;
  font-weight: 800;
  color: #ffffff;
  padding-left: 10px;
  border-left: 3px solid var(--surface845ff-ruby);
}

.surface845ff-sec h3 {
  margin: 12px 0 4px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--surface845ff-text);
}

.surface845ff-secSub {
  color: var(--surface845ff-textSoft);
  font-size: 13.5px;
  margin: 0 0 12px;
}

.surface845ff-lead {
  color: var(--surface845ff-textSoft);
  font-size: 13.5px;
  margin: 8px 0 0;
}

.surface845ff-kicker {
  display: inline-block;
  margin: 0 0 6px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--surface845ff-signalSoft);
  border: 1px solid rgba(255, 77, 77, 0.4);
  border-radius: var(--surface845ff-r2);
  padding: 2px 8px;
}

/* --------------------------------------------------------------------------
   4. Fixed top bar (compact brand bar)
   -------------------------------------------------------------------------- */
.surface845ff-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin-inline: auto;
  max-width: 430px;
  height: var(--surface845ff-barH);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px;
  background: rgba(24, 36, 47, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface845ff-line);
  z-index: 60;
}

.surface845ff-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  min-width: 0;
  color: #ffffff;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 0.4px;
}

.surface845ff-brand:hover { color: #ffffff; }

.surface845ff-brandImg {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: var(--surface845ff-r2);
  border: 1px solid var(--surface845ff-line);
  background: #0f1720;
  flex: none;
}

.surface845ff-brandName {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.surface845ff-topActs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

.surface845ff-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 40px;
  padding: 8px 13px;
  font-size: 12.5px;
  font-weight: 700;
  border-radius: var(--surface845ff-r2);
  transition: transform var(--surface845ff-move),
    background var(--surface845ff-move),
    border-color var(--surface845ff-move);
}

.surface845ff-btn:active {
  transform: translateY(1px) scale(0.97);   /* light press feedback */
}

.surface845ff-btnGhost {
  color: var(--surface845ff-textSoft);
  border: 1px solid var(--surface845ff-line);
  background: transparent;
}

.surface845ff-btnGhost:hover {
  color: #ffffff;
  border-color: var(--surface845ff-rubyBright);
}

.surface845ff-btnSolid {
  color: #ffffff;
  background: linear-gradient(150deg, var(--surface845ff-ruby), var(--surface845ff-rubyDim));
  border: 1px solid var(--surface845ff-rubyBright);
  box-shadow: 0 4px 12px rgba(176, 48, 96, 0.35);
}

.surface845ff-btnSolid:hover { color: #ffffff; filter: brightness(1.08); }

.surface845ff-menuBtn {
  width: 42px;
  height: 42px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 1px solid var(--surface845ff-line);
  border-radius: var(--surface845ff-r2);
  background: transparent;
  transition: border-color var(--surface845ff-move),
    transform var(--surface845ff-move);
}

.surface845ff-menuBtn:active { transform: translateY(1px); }

.surface845ff-menuBtn span {
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--surface845ff-textSoft);
  transition: transform var(--surface845ff-move),
    background var(--surface845ff-move);
}

.surface845ff-menuBtn:hover span { background: #ffffff; }

.surface845ff-menuBtn[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
  background: var(--surface845ff-rubyBright);
}

.surface845ff-menuBtn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }

.surface845ff-menuBtn[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  background: var(--surface845ff-rubyBright);
}

/* --------------------------------------------------------------------------
   5. Slide-up route drawer + scrim
   -------------------------------------------------------------------------- */
.surface845ff-scrim {
  position: fixed;
  inset: 0;
  background: rgba(9, 15, 21, 0.62);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--surface845ff-move);
  z-index: 55;
}

.surface845ff-scrimOn {
  opacity: 1;
  pointer-events: auto;
}

.surface845ff-drawer {
  position: fixed;
  top: var(--surface845ff-barH);
  left: 0;
  right: 0;
  margin-inline: auto;
  max-width: 430px;
  background: var(--surface845ff-inkRaise);
  border-bottom: 1px solid var(--surface845ff-line);
  border-radius: 0 0 var(--surface845ff-r6) var(--surface845ff-r6);
  box-shadow: var(--surface845ff-shadow);
  padding: 12px 12px 14px;
  transform: translateY(-112%);
  opacity: 0;
  pointer-events: none;
  transition: transform 0.22s cubic-bezier(0.32, 0.72, 0.35, 1),
    opacity var(--surface845ff-move);
  z-index: 58;
}

.surface845ff-drawerOn {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.surface845ff-drawerHead {
  margin: 0 0 8px;
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 1.4px;
  text-transform: uppercase;
  color: var(--surface845ff-mute);
}

.surface845ff-drawerGrid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.surface845ff-drawerLink {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--surface845ff-text);
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r2);
  background: var(--surface845ff-ink);
  transition: border-color var(--surface845ff-move),
    transform var(--surface845ff-move);
}

.surface845ff-drawerLink::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  border-radius: 1px;
  background: var(--surface845ff-rubyBright);
  box-shadow: 0 0 0 2px rgba(176, 48, 96, 0.25);
}

.surface845ff-drawerLink:hover {
  color: #ffffff;
  border-color: var(--surface845ff-rubyBright);
}

.surface845ff-drawerLink:active { transform: translateY(1px); }

.surface845ff-drawerLink[aria-current="page"] {
  border-color: var(--surface845ff-rubyBright);
  box-shadow: inset 0 -2px 0 var(--surface845ff-ruby);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   6. Main flow + hero carousel
   -------------------------------------------------------------------------- */
.surface845ff-main {
  padding: calc(var(--surface845ff-barH) + 10px) 12px
    calc(var(--surface845ff-dockH) + 26px);
}

.surface845ff-hero {
  margin: 0 0 14px;
}

.surface845ff-frame {
  position: relative;
  border: 1px solid var(--surface845ff-line);
  border-radius: var(--surface845ff-r6);
  overflow: hidden;
  background: var(--surface845ff-inkRaise);
  box-shadow: var(--surface845ff-shadow);
}

.surface845ff-track {
  display: flex;
  width: 100%;
  transition: transform 0.32s cubic-bezier(0.32, 0.72, 0.35, 1);
  touch-action: pan-y;
}

.surface845ff-slide {
  position: relative;
  display: block;
  flex: 0 0 100%;
  width: 100%;
  aspect-ratio: 5 / 2;
  color: #ffffff;
  overflow: hidden;
}

.surface845ff-slideImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface845ff-slideCopy {
  position: absolute;
  inset: auto 0 0 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 26px 12px 10px;
  background: linear-gradient(180deg, rgba(24, 36, 47, 0) 0%,
    rgba(24, 36, 47, 0.88) 58%, rgba(24, 36, 47, 0.96) 100%);
}

.surface845ff-slideTag {
  align-self: flex-start;
  font-size: 9.5px;
  font-weight: 800;
  letter-spacing: 1.1px;
  text-transform: uppercase;
  color: #ffffff;
  background: var(--surface845ff-signal);
  padding: 2px 7px;
  border-radius: 2px;
}

.surface845ff-slideTitle {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.25;
  color: #ffffff;
}

.surface845ff-slideSub {
  font-style: normal;
  font-size: 11.5px;
  color: var(--surface845ff-textSoft);
}

.surface845ff-slideCta {
  align-self: flex-start;
  margin-top: 4px;
  font-style: normal;
  font-size: 11px;
  font-weight: 700;
  color: #ffffff;
  border: 1px solid var(--surface845ff-rubyBright);
  background: rgba(176, 48, 96, 0.5);
  padding: 3px 10px;
  border-radius: var(--surface845ff-r2);
  transition: background var(--surface845ff-move);
}

.surface845ff-slide:hover .surface845ff-slideCta { background: var(--surface845ff-ruby); }
.surface845ff-slide:active { filter: brightness(1.06); }

.surface845ff-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 34px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: rgba(24, 36, 47, 0.72);
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r2);
  z-index: 3;
  transition: background var(--surface845ff-move);
}

.surface845ff-arrow:hover { background: var(--surface845ff-ruby); }

.surface845ff-arrow:active { transform: translateY(-50%) scale(0.94); }

.surface845ff-arrowL { left: 6px; }
.surface845ff-arrowR { right: 6px; }

.surface845ff-arrow svg { width: 14px; height: 14px; display: block; }

.surface845ff-dots {
  position: absolute;
  bottom: 8px;
  right: 10px;
  display: flex;
  gap: 5px;
  z-index: 3;
}

.surface845ff-dot {
  width: 22px;
  height: 6px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.32);
  transition: background var(--surface845ff-move);
}

.surface845ff-dotOn { background: var(--surface845ff-rubyBright); }

/* --------------------------------------------------------------------------
   7. Fact chips strip
   -------------------------------------------------------------------------- */
.surface845ff-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0 4px;
}

.surface845ff-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 700;
  color: var(--surface845ff-textSoft);
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r2);
  padding: 4px 9px;
  background: var(--surface845ff-inkRaise);
}

.surface845ff-chip b { color: var(--surface845ff-rubyBright); font-weight: 800; }

/* --------------------------------------------------------------------------
   8. Content sections (question-driven rhythm)
   -------------------------------------------------------------------------- */
.surface845ff-sec {
  margin: 0 0 20px;
  padding-top: 4px;
}

.surface845ff-secBody { font-size: 13.5px; color: var(--surface845ff-textSoft); }
.surface845ff-secBody p { margin: 0 0 9px; }

.surface845ff-qaBlock {
  margin: 10px 0;
  padding: 10px 11px;
  border: 1px solid var(--surface845ff-lineSoft);
  border-left: 3px solid var(--surface845ff-ruby);
  border-radius: var(--surface845ff-r4);
  background: var(--surface845ff-inkRaise);
}

.surface845ff-q {
  margin: 0 0 5px;
  font-size: 13.5px;
  font-weight: 800;
  color: #ffffff;
}

.surface845ff-q::before {
  content: "?";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-right: 6px;
  font-size: 11px;
  font-weight: 800;
  color: #ffffff;
  background: var(--surface845ff-ruby);
  border-radius: 2px;
  vertical-align: -2px;
}

.surface845ff-a {
  margin: 0;
  font-size: 13px;
  color: var(--surface845ff-textSoft);
}

/* --------------------------------------------------------------------------
   9. Game grid + outlined tile cards
   -------------------------------------------------------------------------- */
.surface845ff-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.surface845ff-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--surface845ff-line);
  border-radius: var(--surface845ff-r4);
  background: linear-gradient(175deg, var(--surface845ff-inkRaise), var(--surface845ff-ink));
  padding: 6px 5px 7px;
  color: var(--surface845ff-textSoft);
  overflow: hidden;
  transition: transform var(--surface845ff-move),
    border-color var(--surface845ff-move);
}

.surface845ff-tile:hover {
  border-color: var(--surface845ff-rubyBright);
  color: #ffffff;
  transform: translateY(-2px);
}

.surface845ff-tile:active { transform: translateY(0) scale(0.97); }

.surface845ff-tileImgWrap {
  display: block;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: var(--surface845ff-r2);
  overflow: hidden;
  background: #101a24;
}

.surface845ff-tileImg {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.surface845ff-tileName {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-top: 6px;
  font-size: 11px;
  font-weight: 600;
  line-height: 1.35;
  text-align: center;
  min-height: 30px;
  word-break: break-word;
}

.surface845ff-tileHot::after {
  content: "গরম";
  position: absolute;
  top: 5px;
  left: 5px;
  font-size: 8.5px;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: #ffffff;
  background: var(--surface845ff-signal);
  padding: 1px 5px;
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   10. Winners list
   -------------------------------------------------------------------------- */
.surface845ff-winList {
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r4);
  overflow: hidden;
  margin: 4px 0 10px;
}

.surface845ff-winRow {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 4px 8px;
  align-items: center;
  padding: 8px 10px;
  font-size: 12px;
  background: var(--surface845ff-inkRaise);
  border-bottom: 1px solid var(--surface845ff-lineSoft);
}

.surface845ff-winRow:last-child { border-bottom: 0; }

.surface845ff-winRow:nth-child(even) { background: var(--surface845ff-ink); }

.surface845ff-winWho {
  font-weight: 700;
  color: var(--surface845ff-mute);
}

.surface845ff-winGame {
  font-weight: 600;
  color: var(--surface845ff-textSoft);
}

.surface845ff-winAmt {
  font-weight: 800;
  color: var(--surface845ff-rubyBright);
  white-space: nowrap;
}

.surface845ff-winTime {
  grid-column: 2 / 4;
  font-size: 10.5px;
  color: var(--surface845ff-mute);
}

/* --------------------------------------------------------------------------
   11. Pros / limits duo columns
   -------------------------------------------------------------------------- */
.surface845ff-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 8px 0 4px;
}

.surface845ff-duoCol {
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r4);
  background: var(--surface845ff-inkRaise);
  padding: 10px 10px 8px;
}

.surface845ff-duoCol h3 {
  margin: 0 0 7px;
  font-size: 12.5px;
  font-weight: 800;
  color: #ffffff;
  padding-bottom: 5px;
  border-bottom: 1px dashed var(--surface845ff-line);
}

.surface845ff-duoCol li {
  position: relative;
  padding: 0 0 7px 13px;
  font-size: 12px;
  line-height: 1.5;
  color: var(--surface845ff-textSoft);
}

.surface845ff-duoCol li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
}

.surface845ff-duoGood li::before { background: var(--surface845ff-rubyBright); }
.surface845ff-duoLimit li::before { background: var(--surface845ff-signalSoft); }

/* --------------------------------------------------------------------------
   12. Extended footer (brand > directory > promos > disclaimer)
   -------------------------------------------------------------------------- */
.surface845ff-xfoot {
  margin-top: 26px;
  border-top: 1px solid var(--surface845ff-line);
  padding-top: 14px;
}

.surface845ff-xbrand {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  margin: 8px 0 12px;
}

.surface845ff-xbrand img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: var(--surface845ff-r2);
  border: 1px solid var(--surface845ff-line);
  background: #0f1720;
  flex: none;
  margin-top: 2px;
}

.surface845ff-xbrand p {
  margin: 0;
  font-size: 12.5px;
  color: var(--surface845ff-textSoft);
}

.surface845ff-xdirTitle {
  margin: 0 0 7px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--surface845ff-mute);
}

.surface845ff-xdir {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 12px;
}

.surface845ff-xdir a {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 38px;
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 600;
  color: var(--surface845ff-textSoft);
  border: 1px solid var(--surface845ff-lineSoft);
  border-radius: var(--surface845ff-r2);
  background: var(--surface845ff-inkRaise);
  transition: border-color var(--surface845ff-move),
    color var(--surface845ff-move);
}

.surface845ff-xdir a::before {
  content: "\203A";
  font-weight: 800;
  color: var(--surface845ff-rubyBright);
}

.surface845ff-xdir a:hover {
  color: #ffffff;
  border-color: var(--surface845ff-rubyBright);
}

.surface845ff-xpromoRow {
  display: flex;
  gap: 7px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 12px;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.surface845ff-xpromoRow::-webkit-scrollbar { height: 3px; }
.surface845ff-xpromoRow::-webkit-scrollbar-thumb {
  background: var(--surface845ff-line);
  border-radius: 2px;
}

.surface845ff-xpromoBtn {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 9px 14px;
  font-size: 12.5px;
  font-weight: 800;
  color: #ffffff;
  border-radius: var(--surface845ff-r2);
  border: 1px solid var(--surface845ff-rubyBright);
  background: linear-gradient(150deg, var(--surface845ff-ruby), var(--surface845ff-rubyDim));
  box-shadow: 0 4px 10px rgba(176, 48, 96, 0.3);
  white-space: nowrap;
  transition: transform var(--surface845ff-move), filter var(--surface845ff-move);
}

.surface845ff-xpromoBtn:active { transform: translateY(1px) scale(0.97); }
.surface845ff-xpromoBtn:hover { filter: brightness(1.1); }

.surface845ff-xpromoBtn svg { width: 13px; height: 13px; flex: none; }

.surface845ff-xpromoAlt {
  border-color: var(--surface845ff-line);
  background: var(--surface845ff-inkRaise);
  color: var(--surface845ff-textSoft);
}

.surface845ff-xnote {
  margin: 0;
  padding: 9px 11px;
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--surface845ff-mute);
  border: 1px solid var(--surface845ff-lineSoft);
  border-left: 3px solid var(--surface845ff-signal);
  border-radius: var(--surface845ff-r2);
  background: var(--surface845ff-inkRaise);
}

/* --------------------------------------------------------------------------
   13. Universal footer bar
   -------------------------------------------------------------------------- */
.surface845ff-foot {
  padding: 14px 12px 8px;
  border-top: 1px solid var(--surface845ff-lineSoft);
  text-align: center;
}

.surface845ff-foot p {
  margin: 0;
  font-size: 11.5px;
  color: var(--surface845ff-mute);
}

/* --------------------------------------------------------------------------
   14. Floating dock (5 roles, underline active marker)
   -------------------------------------------------------------------------- */
.surface845ff-dock {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  margin-inline: auto;
  max-width: 430px;
  height: calc(var(--surface845ff-dockH) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  align-items: stretch;
  background: rgba(24, 36, 47, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--surface845ff-rubyDim);
  z-index: 62;
}

.surface845ff-dockItem {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: 48px;
  padding: 6px 2px 4px;
  font-size: 10.5px;
  font-weight: 700;
  color: var(--surface845ff-mute);
  transition: color var(--surface845ff-move), transform var(--surface845ff-move);
}

.surface845ff-dockItem svg { width: 22px; height: 22px; display: block; }

.surface845ff-dockItem:active { transform: translateY(1px); }

.surface845ff-dockItem:hover { color: var(--surface845ff-textSoft); }

.surface845ff-dockOn { color: #ffffff; }

/* underline active marker */
.surface845ff-dockOn::after {
  content: "";
  position: absolute;
  top: 0;
  left: 26%;
  right: 26%;
  height: 3px;
  border-radius: 0 0 2px 2px;
  background: linear-gradient(90deg, var(--surface845ff-rubyBright), var(--surface845ff-signal));
}

.surface845ff-dockPromo { color: var(--surface845ff-rubyBright); }
.surface845ff-dockPromo:hover { color: #ff87ac; }

/* --------------------------------------------------------------------------
   15. Back-to-top button
   -------------------------------------------------------------------------- */
.surface845ff-topBtn {
  position: fixed;
  right: calc(50% - 215px + 12px);
  bottom: calc(var(--surface845ff-dockH) + 16px);
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  border: 1px solid var(--surface845ff-rubyBright);
  border-radius: var(--surface845ff-r2);
  background: rgba(176, 48, 96, 0.88);
  box-shadow: 0 6px 16px rgba(10, 18, 26, 0.5);
  opacity: 0;
  pointer-events: none;
  transform: translateY(6px);
  transition: opacity var(--surface845ff-move), transform var(--surface845ff-move);
  z-index: 54;
}

.surface845ff-topBtnOn {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.surface845ff-topBtn:active { transform: scale(0.92); }

.surface845ff-topBtn svg { width: 16px; height: 16px; }

/* --------------------------------------------------------------------------
   16. Utilities
   -------------------------------------------------------------------------- */
.surface845ff-srOnly {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* --------------------------------------------------------------------------
   17. Responsive refinements inside the 320-430px band
   -------------------------------------------------------------------------- */
@media (min-width: 375px) {
  .surface845ff-h1 { font-size: 22px; }
  .surface845ff-secHead { font-size: 17px; }
  .surface845ff-drawerGrid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .surface845ff-winRow { grid-template-columns: 74px 1fr auto; }
}

@media (min-width: 396px) {
  /* wider phones carry 5 game tiles per row */
  .surface845ff-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .surface845ff-tileName { font-size: 10.5px; }
  .surface845ff-xdir { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 430px) {
  .surface845ff-main { padding-left: 16px; padding-right: 16px; }
  .surface845ff-slideTitle { font-size: 19px; }
}

@media (max-width: 359px) {
  .surface845ff-btn { padding: 8px 9px; font-size: 11.5px; }
  .surface845ff-topActs { gap: 4px; }
}

/* --------------------------------------------------------------------------
   18. Motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}