/* ==========================================================================
   3u3u online games - frame-compact-a973c4.css
   Mobile-first base styles for the 320-430px phone canvas.
   Wide screens keep the centered phone canvas.
   Every selector and custom property uses the ui73c40- prefix.
   Palette: #2E4057 base - #F08080 / #C9C9FF / #FFDFBA lights - #FF4500 accent
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  --ui73c40-canvas: 430px;
  --ui73c40-bg: #2E4057;
  --ui73c40-bg-deep: #24354c;
  --ui73c40-bg-ink: #1b2a3d;
  --ui73c40-panel: #33475f;
  --ui73c40-panel-hi: #3b516b;
  --ui73c40-text: #FFDFBA;
  --ui73c40-text-dim: #d3bd9e;
  --ui73c40-lav: #C9C9FF;
  --ui73c40-coral: #F08080;
  --ui73c40-flame: #FF4500;
  --ui73c40-flame-deep: #d63a00;
  --ui73c40-line: rgba(201, 201, 255, 0.22);
  --ui73c40-line-soft: rgba(255, 223, 186, 0.14);
  --ui73c40-r-lg: 18px;
  --ui73c40-r-md: 12px;
  --ui73c40-r-sm: 8px;
  --ui73c40-font-head: "Trebuchet MS", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --ui73c40-font-body: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --ui73c40-rail-h: 62px;
  --ui73c40-head-h: 108px;
}

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

html {
  background: #16202e;
  -webkit-text-size-adjust: 100%;
}

html,
body { margin: 0; padding: 0; }

body {
  position: relative;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--ui73c40-bg);
  color: var(--ui73c40-text);
  font-family: var(--ui73c40-font-body);
  font-size: 15px;
  line-height: 1.66;
  overflow-x: hidden;
  box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
}

img { display: block; max-width: 100%; border: 0; }

h1, h2, h3 {
  font-family: var(--ui73c40-font-head);
  font-weight: 700;
  line-height: 1.32;
  margin: 0 0 10px;
  color: var(--ui73c40-text);
}

p { margin: 0 0 12px; }

ul, ol { margin: 0 0 12px; padding-left: 20px; }

a { color: var(--ui73c40-lav); text-decoration: none; }
a:hover { color: #ffffff; }

button { font: inherit; }

/* --------------------------------------------------------------------------
   3. Accessibility helpers
   -------------------------------------------------------------------------- */
.ui73c40-sronly {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.ui73c40-skip {
  position: absolute;
  left: 10px;
  top: -48px;
  z-index: 100;
  padding: 9px 14px;
  background: var(--ui73c40-flame);
  color: #ffffff;
  font-weight: 700;
  border-radius: var(--ui73c40-r-sm);
  transition: top 0.15s ease;
}

.ui73c40-skip:focus { top: 8px; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--ui73c40-flame);
  outline-offset: 2px;
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   4. Sticky header - brand row over action row
   -------------------------------------------------------------------------- */
.ui73c40-topbar {
  position: sticky;
  top: 0;
  z-index: 70;
  background: var(--ui73c40-bg-deep);
  border-bottom: 1px solid var(--ui73c40-line);
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.28);
}

.ui73c40-brandrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 56px;
  padding: 8px 12px;
}

.ui73c40-brand {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  min-width: 0;
}

.ui73c40-logo {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  border: 2px solid var(--ui73c40-coral);
  background: var(--ui73c40-bg-ink);
  object-fit: cover;
  flex: 0 0 auto;
}

.ui73c40-brandname {
  font-family: var(--ui73c40-font-head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--ui73c40-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui73c40-menubtn {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 1px solid var(--ui73c40-line);
  border-radius: var(--ui73c40-r-md);
  cursor: pointer;
}

.ui73c40-menubtn-bar {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ui73c40-text);
  border-radius: 2px;
}

.ui73c40-menubtn:hover .ui73c40-menubtn-bar,
.ui73c40-menubtn[aria-expanded="true"] .ui73c40-menubtn-bar {
  background: var(--ui73c40-coral);
}

.ui73c40-actionrow {
  display: flex;
  gap: 10px;
  padding: 0 12px 10px;
}

/* --------------------------------------------------------------------------
   5. Buttons - solid primary + outlined secondary
   -------------------------------------------------------------------------- */
.ui73c40-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border-radius: 999px;
  font-family: var(--ui73c40-font-head);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  text-align: center;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.ui73c40-btn-solid {
  flex: 1.25;
  background: linear-gradient(160deg, var(--ui73c40-flame) 0%, var(--ui73c40-flame-deep) 100%);
  color: #ffffff;
  border: 1px solid var(--ui73c40-flame-deep);
}

.ui73c40-btn-solid:hover,
.ui73c40-btn-solid:active {
  background: var(--ui73c40-flame-deep);
  color: #ffffff;
}

.ui73c40-btn-ghost {
  flex: 1;
  background: transparent;
  color: var(--ui73c40-lav);
  border: 1px solid var(--ui73c40-lav);
}

.ui73c40-btn-ghost:hover,
.ui73c40-btn-ghost:active {
  background: rgba(201, 201, 255, 0.14);
  color: #ffffff;
}

/* --------------------------------------------------------------------------
   6. Expandable menu panel
   -------------------------------------------------------------------------- */
.ui73c40-menupanel {
  display: none;
  padding: 4px 12px 12px;
  background: var(--ui73c40-bg-ink);
  border-top: 1px solid var(--ui73c40-line-soft);
  max-height: 62vh;
  overflow-y: auto;
}

.ui73c40-menupanel.ui73c40-open { display: block; }

.ui73c40-menugrouplabel {
  margin: 12px 0 2px;
  font-family: var(--ui73c40-font-head);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ui73c40-lav);
}

.ui73c40-menulink {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 10px 10px 12px;
  border-left: 3px solid transparent;
  border-radius: 0 var(--ui73c40-r-sm) var(--ui73c40-r-sm) 0;
  color: var(--ui73c40-text-dim);
  font-size: 14.5px;
  transition: color 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.ui73c40-menulink:hover {
  color: #ffffff;
  background: rgba(201, 201, 255, 0.10);
}

.ui73c40-menulink-on,
.ui73c40-menulink[aria-current="page"] {
  color: var(--ui73c40-coral);
  border-left-color: var(--ui73c40-flame);
  background: rgba(240, 128, 128, 0.10);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   7. Main canvas + hero intro
   -------------------------------------------------------------------------- */
.ui73c40-page {
  padding: 14px 12px calc(var(--ui73c40-rail-h) + env(safe-area-inset-bottom, 0px) + 30px);
}

.ui73c40-intro {
  padding: 14px 14px 16px;
  margin-bottom: 14px;
  background: linear-gradient(150deg, rgba(240, 128, 128, 0.16) 0%, rgba(201, 201, 255, 0.10) 55%, rgba(255, 69, 0, 0.08) 100%);
  border: 1px solid var(--ui73c40-line);
  border-radius: var(--ui73c40-r-lg);
}

.ui73c40-h1 {
  font-size: 21px;
  letter-spacing: 0.01em;
  margin-bottom: 10px;
}

.ui73c40-lead {
  font-size: 14.5px;
  color: var(--ui73c40-text-dim);
  margin-bottom: 12px;
}

.ui73c40-statchips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ui73c40-statchips li {
  padding: 5px 11px;
  background: rgba(27, 42, 61, 0.72);
  border: 1px solid var(--ui73c40-line-soft);
  border-radius: 999px;
  font-family: var(--ui73c40-font-head);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ui73c40-lav);
}

/* --------------------------------------------------------------------------
   8. Promo carousel
   -------------------------------------------------------------------------- */
.ui73c40-carousel {
  position: relative;
  margin-bottom: 14px;
  border-radius: var(--ui73c40-r-lg);
  overflow: hidden;
  border: 1px solid var(--ui73c40-line);
}

.ui73c40-slides {
  position: relative;
  aspect-ratio: 2 / 1;
  background: var(--ui73c40-bg-ink);
}

.ui73c40-slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  opacity: 0;
  transition: opacity 0.45s ease;
  pointer-events: none;
}

.ui73c40-slide.ui73c40-slide-on {
  opacity: 1;
  pointer-events: auto;
  z-index: 2;
}

.ui73c40-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui73c40-slidecopy {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  padding: 30px 14px 12px;
  background: linear-gradient(180deg, rgba(27, 42, 61, 0) 0%, rgba(27, 42, 61, 0.88) 62%);
}

.ui73c40-slidecopy b {
  font-family: var(--ui73c40-font-head);
  font-size: 17px;
  color: #ffffff;
}

.ui73c40-slidecopy small {
  font-size: 12px;
  color: var(--ui73c40-text);
}

.ui73c40-slidecopy em {
  margin-top: 5px;
  padding: 4px 13px;
  font-style: normal;
  font-family: var(--ui73c40-font-head);
  font-size: 12.5px;
  font-weight: 700;
  color: #ffffff;
  background: var(--ui73c40-flame);
  border-radius: 999px;
}

.ui73c40-slidearrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 44px;
  border: 1px solid var(--ui73c40-line);
  border-radius: var(--ui73c40-r-sm);
  background: rgba(27, 42, 61, 0.72);
  color: var(--ui73c40-text);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ui73c40-slidearrow:hover { color: #ffffff; border-color: var(--ui73c40-coral); }

.ui73c40-slidearrow svg { width: 18px; height: 18px; }

.ui73c40-slideprev { left: 8px; }
.ui73c40-slidenext { right: 8px; }

.ui73c40-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 8px;
  z-index: 6;
  display: flex;
  justify-content: center;
  gap: 7px;
}

.ui73c40-dot {
  width: 12px;
  height: 12px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid var(--ui73c40-text);
  background: rgba(27, 42, 61, 0.55);
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.ui73c40-dot-on {
  background: var(--ui73c40-flame);
  border-color: #ffffff;
}

/* --------------------------------------------------------------------------
   9. Category jump strip
   -------------------------------------------------------------------------- */
.ui73c40-catjump {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  padding-bottom: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.ui73c40-catjump::-webkit-scrollbar { display: none; }

.ui73c40-catchip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 14px;
  border: 1px solid var(--ui73c40-line);
  border-radius: 999px;
  background: rgba(27, 42, 61, 0.6);
  color: var(--ui73c40-text-dim);
  font-family: var(--ui73c40-font-head);
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.ui73c40-catchip:hover {
  color: #ffffff;
  border-color: var(--ui73c40-coral);
}

/* --------------------------------------------------------------------------
   10. Game groups - grouped cover cards
   -------------------------------------------------------------------------- */
.ui73c40-lobby { margin-bottom: 6px; }

.ui73c40-gamegroup {
  margin-bottom: 16px;
  background: var(--ui73c40-panel);
  border: 1px solid var(--ui73c40-line-soft);
  border-radius: var(--ui73c40-r-lg);
  overflow: hidden;
  scroll-margin-top: calc(var(--ui73c40-head-h) + 12px);
}

.ui73c40-grouphead {
  padding: 12px 14px 11px;
  background: linear-gradient(135deg, rgba(240, 128, 128, 0.18) 0%, rgba(201, 201, 255, 0.10) 100%);
  border-bottom: 1px solid var(--ui73c40-line-soft);
}

.ui73c40-grouptag {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 11px;
  background: var(--ui73c40-flame);
  color: #ffffff;
  font-family: var(--ui73c40-font-head);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.13em;
  border-radius: 999px;
}

.ui73c40-grouphead h2 {
  font-size: 16.5px;
  margin-bottom: 6px;
}

.ui73c40-groupintro {
  margin: 0;
  font-size: 13px;
  color: var(--ui73c40-text-dim);
}

.ui73c40-gamegrid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
}

.ui73c40-gcard {
  display: block;
  min-width: 0;
  background: var(--ui73c40-bg-ink);
  border: 1px solid var(--ui73c40-line-soft);
  border-radius: var(--ui73c40-r-md);
  overflow: hidden;
  transition: border-color 0.16s ease;
}

.ui73c40-gcard:hover,
.ui73c40-gcard:active { border-color: var(--ui73c40-coral); }

.ui73c40-gthumb {
  display: block;
  aspect-ratio: 1 / 1;
  background: var(--ui73c40-bg-deep);
}

.ui73c40-gthumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui73c40-gname {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  min-height: 32px;
  padding: 3px 4px 4px;
  background: rgba(27, 42, 61, 0.8);
  color: var(--ui73c40-text-dim);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
}

.ui73c40-gcard:hover .ui73c40-gname { color: #ffffff; }

/* --------------------------------------------------------------------------
   11. Content modules
   -------------------------------------------------------------------------- */
.ui73c40-module {
  margin-bottom: 16px;
  padding: 14px;
  background: var(--ui73c40-panel);
  border: 1px solid var(--ui73c40-line-soft);
  border-radius: var(--ui73c40-r-lg);
}

.ui73c40-modtag {
  display: inline-block;
  margin-bottom: 7px;
  padding: 3px 10px;
  border: 1px solid var(--ui73c40-coral);
  color: var(--ui73c40-coral);
  font-family: var(--ui73c40-font-head);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.12em;
  border-radius: var(--ui73c40-r-sm);
}

.ui73c40-module h2 {
  font-size: 16.5px;
  margin-bottom: 9px;
}

.ui73c40-module p {
  font-size: 13.5px;
  color: var(--ui73c40-text-dim);
}

.ui73c40-module p strong,
.ui73c40-module li strong { color: var(--ui73c40-text); }

.ui73c40-answer {
  border-left: 3px solid var(--ui73c40-coral);
  padding: 3px 0 3px 11px;
  color: var(--ui73c40-text);
}

.ui73c40-notebox {
  margin: 10px 0 12px;
  padding: 10px 12px;
  background: rgba(240, 128, 128, 0.12);
  border: 1px solid rgba(240, 128, 128, 0.36);
  border-radius: var(--ui73c40-r-md);
  font-size: 13px;
  color: var(--ui73c40-text);
}

/* Category highlight rows */
.ui73c40-catrows { margin: 4px 0 0; padding: 0; list-style: none; }

.ui73c40-catrow {
  display: flex;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px dashed var(--ui73c40-line-soft);
}

.ui73c40-catrow:first-child { border-top: 0; }

.ui73c40-catrowname {
  flex: 0 0 88px;
  font-family: var(--ui73c40-font-head);
  font-size: 13px;
  font-weight: 700;
  color: var(--ui73c40-coral);
}

.ui73c40-catrowtext {
  flex: 1;
  font-size: 13px;
  color: var(--ui73c40-text-dim);
}

/* RTP range rows */
.ui73c40-rtprows { margin: 6px 0 12px; }

.ui73c40-rtprow {
  margin-bottom: 9px;
}

.ui73c40-rtphead {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
  font-size: 12.5px;
  color: var(--ui73c40-text);
}

.ui73c40-rtpbar {
  height: 8px;
  border-radius: 999px;
  background: rgba(27, 42, 61, 0.85);
  overflow: hidden;
}

.ui73c40-rtpfill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--ui73c40-coral) 0%, var(--ui73c40-flame) 100%);
}

/* Fact list */
.ui73c40-facts {
  margin: 4px 0 0;
  border-top: 1px solid var(--ui73c40-line-soft);
}

.ui73c40-factrow {
  display: flex;
  gap: 10px;
  padding: 9px 0;
  border-bottom: 1px solid var(--ui73c40-line-soft);
  font-size: 13px;
}

.ui73c40-factrow dt {
  flex: 0 0 104px;
  font-family: var(--ui73c40-font-head);
  font-weight: 700;
  color: var(--ui73c40-lav);
}

.ui73c40-factrow dd {
  flex: 1;
  margin: 0;
  color: var(--ui73c40-text-dim);
}

/* Step list */
.ui73c40-steplist {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: ui73c40-steps;
}

.ui73c40-steplist li {
  position: relative;
  counter-increment: ui73c40-steps;
  padding: 0 0 12px 38px;
  font-size: 13px;
  color: var(--ui73c40-text-dim);
}

.ui73c40-steplist li::before {
  content: counter(ui73c40-steps);
  position: absolute;
  left: 0;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--ui73c40-bg-ink);
  border: 1px solid var(--ui73c40-flame);
  border-radius: 50%;
  font-family: var(--ui73c40-font-head);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--ui73c40-coral);
}

.ui73c40-steplist li:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 13px;
  top: 28px;
  bottom: 2px;
  width: 1px;
  background: var(--ui73c40-line);
}

/* --------------------------------------------------------------------------
   12. Extended homepage footer
   -------------------------------------------------------------------------- */
.ui73c40-xfoot {
  margin-bottom: 14px;
  background: var(--ui73c40-bg-deep);
  border: 1px solid var(--ui73c40-line-soft);
  border-radius: var(--ui73c40-r-lg);
  overflow: hidden;
}

.ui73c40-xfband {
  padding: 12px 14px;
}

.ui73c40-xfband + .ui73c40-xfband {
  border-top: 1px solid var(--ui73c40-line-soft);
}

.ui73c40-xflabel {
  margin: 0 0 9px;
  font-family: var(--ui73c40-font-head);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ui73c40-lav);
}

.ui73c40-xfpromo {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.ui73c40-xfpill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 8px 15px;
  border-radius: 999px;
  font-family: var(--ui73c40-font-head);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.ui73c40-xfpill-solid {
  background: var(--ui73c40-flame);
  border: 1px solid var(--ui73c40-flame-deep);
  color: #ffffff;
}

.ui73c40-xfpill-solid:hover { background: var(--ui73c40-flame-deep); color: #ffffff; }

.ui73c40-xfpill-ghost {
  background: transparent;
  border: 1px solid var(--ui73c40-lav);
  color: var(--ui73c40-lav);
}

.ui73c40-xfpill-ghost:hover { background: rgba(201, 201, 255, 0.13); color: #ffffff; }

.ui73c40-xfbrand {
  margin: 0;
  font-size: 13px;
  color: var(--ui73c40-text-dim);
}

.ui73c40-xfdirlist {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.ui73c40-xfdirlist a {
  position: relative;
  display: block;
  padding: 7px 0 7px 14px;
  font-size: 13px;
  color: var(--ui73c40-text-dim);
  transition: color 0.15s ease;
}

.ui73c40-xfdirlist a::before {
  content: "\203A";
  position: absolute;
  left: 0;
  top: 7px;
  color: var(--ui73c40-coral);
  font-weight: 700;
}

.ui73c40-xfdirlist a:hover { color: #ffffff; }

.ui73c40-xfdisc {
  margin: 0;
  padding-top: 2px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--ui73c40-text-dim);
}

/* --------------------------------------------------------------------------
   13. Common footer
   -------------------------------------------------------------------------- */
.ui73c40-commonfoot {
  padding: 14px 12px 10px;
  border-top: 1px solid var(--ui73c40-line-soft);
  text-align: center;
  font-size: 12px;
  color: var(--ui73c40-text-dim);
}

.ui73c40-commonfoot p { margin: 0; }

/* --------------------------------------------------------------------------
   14. Mobile bottom navigation rail
   -------------------------------------------------------------------------- */
.ui73c40-bottomrail {
  position: fixed;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  z-index: 80;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  width: 100%;
  max-width: 430px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
  background: rgba(27, 42, 61, 0.97);
  border-top: 1px solid var(--ui73c40-line);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.ui73c40-railitem {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  min-height: var(--ui73c40-rail-h);
  padding: 8px 2px 7px;
  color: var(--ui73c40-text-dim);
  transition: color 0.16s ease, transform 0.16s ease;
}

.ui73c40-railitem::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 46%;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: transparent;
  transition: background-color 0.16s ease;
}

.ui73c40-railitem:hover,
.ui73c40-railitem:active {
  color: var(--ui73c40-coral);
  transform: translateY(-2px);
}

.ui73c40-railon {
  color: var(--ui73c40-text);
}

.ui73c40-railon::before { background: var(--ui73c40-flame); }

.ui73c40-railicon {
  width: 22px;
  height: 22px;
}

.ui73c40-raillabel {
  font-family: var(--ui73c40-font-head);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

/* --------------------------------------------------------------------------
   15. Help page patterns - guide branches and tips checklist
   -------------------------------------------------------------------------- */
.ui73c40-helpintro {
  position: relative;
  margin-bottom: 14px;
  padding: 16px 14px 17px;
  background: var(--ui73c40-bg-ink);
  border: 1px solid var(--ui73c40-coral);
  border-radius: 6px 20px 6px 20px;
}

.ui73c40-helpintro::after {
  content: "";
  position: absolute;
  right: 13px;
  top: 13px;
  width: 28px;
  height: 28px;
  border-top: 2px solid var(--ui73c40-flame);
  border-right: 2px solid var(--ui73c40-flame);
  opacity: 0.7;
}

.ui73c40-helpintro h1 { max-width: 330px; }

.ui73c40-branchgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 9px;
  margin: 9px 0 4px;
}

.ui73c40-branch {
  padding: 11px 12px;
  background: rgba(27, 42, 61, 0.76);
  border-left: 4px solid var(--ui73c40-coral);
  border-radius: 4px 12px 12px 4px;
}

.ui73c40-branch h3 { margin-bottom: 4px; font-size: 14px; color: var(--ui73c40-lav); }
.ui73c40-branch p { margin: 0; font-size: 13px; color: var(--ui73c40-text-dim); }

.ui73c40-supporttable { margin: 8px 0 0; border-top: 1px solid var(--ui73c40-line-soft); }
.ui73c40-supportrow { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--ui73c40-line-soft); font-size: 13px; }
.ui73c40-supportrow strong { color: var(--ui73c40-text); }
.ui73c40-supportrow span { color: var(--ui73c40-text-dim); }

.ui73c40-termline { margin: 0; padding: 8px 0; border-bottom: 1px dashed var(--ui73c40-line-soft); font-size: 13.5px; color: var(--ui73c40-text-dim); }
.ui73c40-termline strong { color: var(--ui73c40-coral); }
.ui73c40-termline:last-child { border-bottom: 0; }

.ui73c40-promo-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 10px; }
.ui73c40-promo-item { min-height: 44px; padding: 9px 10px; border: 1px solid var(--ui73c40-line); border-radius: var(--ui73c40-r-sm); background: rgba(27, 42, 61, 0.54); color: var(--ui73c40-lav); font-family: var(--ui73c40-font-head); font-size: 12.5px; font-weight: 700; cursor: pointer; }
.ui73c40-promo-item:hover { border-color: var(--ui73c40-coral); color: #ffffff; }

.ui73c40-tipband {
  margin: 0 0 10px;
  padding: 11px 12px;
  border-radius: 14px 5px 14px 5px;
  background: rgba(240, 128, 128, 0.12);
  border: 1px solid rgba(240, 128, 128, 0.38);
}

.ui73c40-tipband strong { color: var(--ui73c40-text); }
.ui73c40-ruletiles { display: grid; grid-template-columns: 1fr; gap: 8px; margin: 8px 0 2px; }
.ui73c40-ruletile { padding: 11px 12px; background: var(--ui73c40-bg-deep); border-radius: var(--ui73c40-r-md); border-top: 3px solid var(--ui73c40-flame); }
.ui73c40-ruletile h3 { margin-bottom: 4px; font-size: 14px; }
.ui73c40-ruletile p { margin: 0; font-size: 13px; color: var(--ui73c40-text-dim); }

.ui73c40-checklist { display: grid; grid-template-columns: 1fr; gap: 7px; margin: 9px 0 0; }
.ui73c40-checkitem { display: flex; gap: 9px; align-items: flex-start; padding: 9px 10px; background: rgba(27, 42, 61, 0.7); border: 1px solid var(--ui73c40-line-soft); border-radius: 9px; color: var(--ui73c40-text-dim); font-size: 13px; }
.ui73c40-checkitem::before { content: ">"; flex: 0 0 auto; color: var(--ui73c40-coral); font-weight: 800; }

.ui73c40-takeaways { margin: 8px 0 0; padding: 0; list-style: none; counter-reset: ui73c40-takeaway; }
.ui73c40-takeaways li { counter-increment: ui73c40-takeaway; position: relative; padding: 9px 0 9px 31px; border-bottom: 1px solid var(--ui73c40-line-soft); font-size: 13.5px; color: var(--ui73c40-text-dim); }
.ui73c40-takeaways li::before { content: counter(ui73c40-takeaway); position: absolute; left: 0; top: 8px; width: 22px; height: 22px; line-height: 22px; border-radius: 50%; text-align: center; background: var(--ui73c40-coral); color: var(--ui73c40-bg-ink); font-weight: 800; }

/* --------------------------------------------------------------------------
   16. Responsive refinements inside the phone canvas
   -------------------------------------------------------------------------- */
@media (min-width: 375px) {
  .ui73c40-gamegrid { grid-template-columns: repeat(5, minmax(0, 1fr)); }
  .ui73c40-xfdirlist { grid-template-columns: 1fr 1fr; }
  .ui73c40-h1 { font-size: 22px; }
  .ui73c40-gname { font-size: 11px; }
}

@media (min-width: 414px) {
  .ui73c40-gname { min-height: 30px; }
  .ui73c40-lead { font-size: 15px; }
}

/* --------------------------------------------------------------------------
   16. Motion preferences - state colours only
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    transition: none !important;
    animation: none !important;
  }
}