/* =========================================================================
   Sunwin Coolplus - layers-native-e56555.css
   Mobile-first base stylesheet for sunwincoolplus.homes (Vietnamese)
   Palette: light #EEE8AA on dark #1B263B
   Design tone: geometric titles + neutral body, low-radius sectioned tiles,
   outlined game tiles, short-paragraph rhythm, restrained fade feedback,
   compact dual-button CTAs. Prefix: surface55533-
   ========================================================================= */

/* ---------- Design tokens ---------- */
:root {
  --surface55533-bg: #1B263B;
  --surface55533-bg-deep: #121A2C;
  --surface55533-bg-panel: #213049;
  --surface55533-bg-panel-2: #2A3C59;
  --surface55533-bg-hover: #324a6e;
  --surface55533-text: #EEE8AA;
  --surface55533-text-soft: rgba(238, 232, 170, 0.82);
  --surface55533-text-dim: rgba(238, 232, 170, 0.58);
  --surface55533-text-faint: rgba(238, 232, 170, 0.38);
  --surface55533-accent: #EEE8AA;
  --surface55533-accent-warm: #F6ECA6;
  --surface55533-border: rgba(238, 232, 170, 0.22);
  --surface55533-border-strong: rgba(238, 232, 170, 0.46);
  --surface55533-shadow: 0 12px 34px rgba(0, 0, 0, 0.38);
  --surface55533-shadow-soft: 0 4px 14px rgba(0, 0, 0, 0.22);
  --surface55533-radius-xs: 3px;
  --surface55533-radius-sm: 5px;
  --surface55533-radius: 7px;
  --surface55533-radius-lg: 11px;
  --surface55533-gap: 12px;
  --surface55533-gap-sm: 8px;
  --surface55533-gap-lg: 18px;
  --surface55533-header-h: 60px;
  --surface55533-bottomnav-h: 64px;
  --surface55533-font-head: "Sora", "Be Vietnam Pro", system-ui, sans-serif;
  --surface55533-font-body: "Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  --surface55533-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- Reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  padding: 0;
  font-family: var(--surface55533-font-body);
  font-size: 15px;
  line-height: 1.62;
  color: var(--surface55533-text);
  background: var(--surface55533-bg-deep);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: var(--surface55533-font-head);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 var(--surface55533-gap) 0;
  letter-spacing: 0.01em;
}

p { margin: 0 0 var(--surface55533-gap) 0; }

a {
  color: var(--surface55533-accent);
  text-decoration: none;
  transition: color 0.18s var(--surface55533-ease);
}
a:hover { color: var(--surface55533-accent-warm); }

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

ul, ol { margin: 0 0 var(--surface55533-gap) 0; padding-left: 20px; }
li { margin-bottom: 6px; }

:focus-visible {
  outline: 2px solid var(--surface55533-accent);
  outline-offset: 2px;
  border-radius: var(--surface55533-radius-xs);
}

/* ---------- Phone canvas stage ---------- */
.surface55533-stage {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  background: var(--surface55533-bg);
  background-image:
    radial-gradient(circle at 12% 0%, rgba(238, 232, 170, 0.06), transparent 38%),
    radial-gradient(circle at 100% 18%, rgba(238, 232, 170, 0.04), transparent 42%);
  box-shadow: var(--surface55533-shadow);
  overflow: hidden;
}

.surface55533-skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--surface55533-accent);
  color: var(--surface55533-bg);
  padding: 8px 14px;
  border-radius: var(--surface55533-radius-sm);
  z-index: 200;
  font-weight: 700;
}
.surface55533-skip:focus { left: 12px; top: 12px; }

/* ---------- Header / identity bar ---------- */
.surface55533-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--surface55533-header-h);
  z-index: 90;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) minmax(0, 114px);
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  background: rgba(18, 26, 44, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--surface55533-border);
}

.surface55533-brand {
  grid-column: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 0;
}
.surface55533-brand img.surface55533-logo {
  width: 34px;
  height: 34px;
  object-fit: contain;
  border-radius: var(--surface55533-radius-sm);
  border: 1px solid var(--surface55533-border);
  flex: 0 0 auto;
}
.surface55533-brand-name {
  font-family: var(--surface55533-font-head);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  color: var(--surface55533-text);
  text-transform: lowercase;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.surface55533-brand-name span { color: var(--surface55533-accent-warm); }

.surface55533-actions {
  grid-column: 3;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 0;
  gap: 4px;
}
.surface55533-actions .surface55533-btn {
  min-width: 0;
  padding: 8px 6px;
  font-size: 10.5px;
}
.surface55533-btn {
  font-family: var(--surface55533-font-head);
  font-weight: 600;
  font-size: 12.5px;
  letter-spacing: 0.03em;
  padding: 8px 12px;
  min-height: 36px;
  border-radius: var(--surface55533-radius-sm);
  border: 1px solid var(--surface55533-border-strong);
  background: transparent;
  color: var(--surface55533-text);
  cursor: pointer;
  transition: transform 0.12s var(--surface55533-ease), background 0.16s var(--surface55533-ease), color 0.16s var(--surface55533-ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  line-height: 1;
}
.surface55533-btn:hover { background: rgba(238, 232, 170, 0.08); }
.surface55533-btn:active { transform: scale(0.95); }
.surface55533-btn--primary {
  background: var(--surface55533-accent);
  color: var(--surface55533-bg-deep);
  border-color: var(--surface55533-accent);
}
.surface55533-btn--primary:hover {
  background: var(--surface55533-accent-warm);
  color: var(--surface55533-bg-deep);
}
.surface55533-btn--ghost {
  border-color: var(--surface55533-border);
  color: var(--surface55533-text-soft);
}

.surface55533-menu-btn {
  grid-column: 1;
  width: 40px;
  height: 40px;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: transparent;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-sm);
  cursor: pointer;
  flex: 0 0 auto;
}
.surface55533-menu-btn span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--surface55533-accent);
  border-radius: 2px;
  transition: transform 0.22s var(--surface55533-ease), opacity 0.18s var(--surface55533-ease);
}
.surface55533-menu-btn[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.surface55533-menu-btn[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.surface55533-menu-btn[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ---------- Drawer / sectioned menu page ---------- */
.surface55533-drawer {
  position: fixed;
  top: var(--surface55533-header-h);
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  max-height: calc(100vh - var(--surface55533-header-h));
  background: var(--surface55533-bg-panel);
  border-bottom: 1px solid var(--surface55533-border);
  box-shadow: var(--surface55533-shadow);
  z-index: 88;
  overflow-y: auto;
  padding: 14px 16px calc(var(--surface55533-bottomnav-h) + 16px);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -10px);
  transition: opacity 0.22s var(--surface55533-ease), transform 0.22s var(--surface55533-ease), visibility 0.22s;
}
.surface55533-drawer[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}
.surface55533-drawer-group { margin-bottom: 18px; }
.surface55533-drawer-label {
  font-family: var(--surface55533-font-head);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--surface55533-text-dim);
  margin: 0 0 8px 0;
}
.surface55533-drawer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.surface55533-drawer-list a {
  display: block;
  padding: 10px 12px;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-sm);
  color: var(--surface55533-text-soft);
  font-size: 14px;
  background: rgba(18, 26, 44, 0.4);
  transition: background 0.16s var(--surface55533-ease), transform 0.12s var(--surface55533-ease), color 0.16s;
}
.surface55533-drawer-list a:hover,
.surface55533-drawer-list a:focus {
  background: var(--surface55533-bg-hover);
  color: var(--surface55533-text);
  transform: scale(0.98);
}
.surface55533-drawer-promo {
  display: flex;
  gap: 8px;
  margin-top: 4px;
}
.surface55533-drawer-promo .surface55533-btn { flex: 1; }

/* ---------- Main wrapper ---------- */
.surface55533-main {
  padding-top: calc(var(--surface55533-header-h) + 6px);
  padding-bottom: calc(var(--surface55533-bottomnav-h) + 22px);
  min-height: 100vh;
}

/* ---------- Hero carousel ---------- */
.surface55533-hero {
  position: relative;
  margin: 12px 12px 4px;
  border-radius: var(--surface55533-radius-lg);
  overflow: hidden;
  border: 1px solid var(--surface55533-border);
  background: var(--surface55533-bg-deep);
  aspect-ratio: 2 / 1;
}
.surface55533-hero-track {
  display: flex;
  height: 100%;
  transition: transform 0.42s var(--surface55533-ease);
  will-change: transform;
}
.surface55533-hero-slide {
  flex: 0 0 100%;
  position: relative;
  height: 100%;
}
.surface55533-hero-slide img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.surface55533-hero-tap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
}
.surface55533-hero-veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 26, 44, 0.05) 30%, rgba(18, 26, 44, 0.82) 100%);
  pointer-events: none;
}
.surface55533-hero-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 12px;
  color: var(--surface55533-text);
  pointer-events: none;
}
.surface55533-hero-caption strong {
  display: block;
  font-family: var(--surface55533-font-head);
  font-size: 17px;
  letter-spacing: 0.02em;
  margin-bottom: 2px;
}
.surface55533-hero-caption span {
  font-size: 12.5px;
  color: var(--surface55533-text-soft);
}
.surface55533-hero-dots {
  position: absolute;
  bottom: 8px;
  right: 12px;
  display: flex;
  gap: 5px;
}
.surface55533-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(238, 232, 170, 0.4);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: background 0.18s var(--surface55533-ease), transform 0.12s;
}
.surface55533-hero-dot[aria-current="true"] {
  background: var(--surface55533-accent);
  transform: scale(1.25);
}

/* ---------- Section shell ---------- */
.surface55533-section {
  margin: 22px 12px 4px;
}
.surface55533-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--surface55533-border);
}
.surface55533-section-title {
  font-size: 18px;
  margin: 0;
  color: var(--surface55533-text);
}
.surface55533-section-title em {
  font-style: normal;
  color: var(--surface55533-accent);
}
.surface55533-section-tag {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--surface55533-text-dim);
  font-family: var(--surface55533-font-head);
}

/* ---------- Category chips ---------- */
.surface55533-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 12px 4px;
}
.surface55533-chip {
  font-size: 12px;
  font-family: var(--surface55533-font-head);
  letter-spacing: 0.04em;
  padding: 5px 11px;
  border-radius: 999px;
  border: 1px solid var(--surface55533-border);
  background: rgba(18, 26, 44, 0.4);
  color: var(--surface55533-text-soft);
  cursor: pointer;
  transition: background 0.15s var(--surface55533-ease), color 0.15s, transform 0.12s;
}
.surface55533-chip:active { transform: scale(0.94); }
.surface55533-chip:hover { color: var(--surface55533-text); }
.surface55533-chip[aria-current="true"] {
  background: var(--surface55533-accent);
  color: var(--surface55533-bg-deep);
  border-color: var(--surface55533-accent);
}

/* ---------- Game grid + outlined tile cards ---------- */
.surface55533-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (min-width: 360px) {
  .surface55533-grid { gap: 9px; }
}
@media (min-width: 392px) {
  .surface55533-grid { grid-template-columns: repeat(5, 1fr); }
}

.surface55533-tile {
  position: relative;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius);
  background: var(--surface55533-bg-panel);
  padding: 5px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  cursor: pointer;
  overflow: hidden;
  transition: transform 0.14s var(--surface55533-ease), border-color 0.16s var(--surface55533-ease), background 0.16s;
}
.surface55533-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--surface55533-radius);
  box-shadow: inset 0 0 0 0 var(--surface55533-accent);
  transition: box-shadow 0.18s var(--surface55533-ease);
  pointer-events: none;
}
.surface55533-tile:hover {
  border-color: var(--surface55533-border-strong);
  background: var(--surface55533-bg-panel-2);
}
.surface55533-tile:hover::before { box-shadow: inset 0 0 0 1px var(--surface55533-accent); }
.surface55533-tile:active { transform: scale(0.95); }
.surface55533-tile-img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: var(--surface55533-radius-xs);
  background: var(--surface55533-bg-deep);
  display: block;
}
.surface55533-tile-name {
  font-size: 11px;
  line-height: 1.25;
  text-align: center;
  color: var(--surface55533-text-soft);
  font-family: var(--surface55533-font-body);
  width: 100%;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 28px;
}

/* ---------- Long-form module blocks ---------- */
.surface55533-prose {
  margin: 22px 12px 4px;
  padding: 16px 14px;
  border: 1px solid var(--surface55533-border);
  border-left: 3px solid var(--surface55533-accent);
  border-radius: var(--surface55533-radius);
  background: rgba(33, 48, 73, 0.55);
}
.surface55533-prose h2 {
  font-size: 16px;
  margin-top: 0;
}
.surface55533-prose h2 + p,
.surface55533-prose h3 + p { margin-top: 4px; }
.surface55533-prose p { font-size: 14px; color: var(--surface55533-text-soft); }
.surface55533-prose h3 {
  font-size: 14px;
  color: var(--surface55533-accent);
  margin-top: 14px;
}

/* compact dual-button CTA */
.surface55533-cta-pair {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 10px 0 0;
}
.surface55533-cta-pair .surface55533-btn {
  flex: 1 1 140px;
  min-height: 42px;
  font-size: 13.5px;
}

/* short list style */
.surface55533-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}
.surface55533-list li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 7px;
  font-size: 13.5px;
  color: var(--surface55533-text-soft);
  line-height: 1.5;
}
.surface55533-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 9px;
  width: 7px;
  height: 2px;
  background: var(--surface55533-accent);
  border-radius: 2px;
}

/* numbered step list */
.surface55533-steps {
  list-style: none;
  padding: 0;
  counter-reset: step;
  margin: 10px 0 0;
}
.surface55533-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: 13.5px;
  color: var(--surface55533-text-soft);
}
.surface55533-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 22px;
  height: 22px;
  border: 1px solid var(--surface55533-border-strong);
  border-radius: 50%;
  font-family: var(--surface55533-font-head);
  font-size: 11px;
  font-weight: 700;
  color: var(--surface55533-accent);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* inline note / callout */
.surface55533-note {
  margin: 10px 0 0;
  padding: 10px 12px;
  border: 1px dashed var(--surface55533-border-strong);
  border-radius: var(--surface55533-radius-sm);
  background: rgba(238, 232, 170, 0.05);
  font-size: 12.5px;
  color: var(--surface55533-text-soft);
}
.surface55533-note strong { color: var(--surface55533-accent); }

/* ---------- Help-page layouts ---------- */
.surface55533-page-intro {
  margin: 12px 12px 6px;
  padding: 20px 15px 16px;
  border: 1px solid var(--surface55533-border-strong);
  border-radius: var(--surface55533-radius-lg);
  background: linear-gradient(145deg, rgba(42, 60, 89, 0.94), rgba(18, 26, 44, 0.9));
}
.surface55533-page-intro h1 {
  font-size: clamp(22px, 7vw, 29px);
  overflow-wrap: anywhere;
}
.surface55533-page-intro p { color: var(--surface55533-text-soft); }
.surface55533-kicker {
  display: inline-block;
  margin-bottom: 8px;
  font: 700 10px/1 var(--surface55533-font-head);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--surface55533-text-dim);
}
.surface55533-fact-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}
.surface55533-fact-strip span {
  padding: 8px 5px;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-sm);
  text-align: center;
  font-size: 11px;
  line-height: 1.35;
  color: var(--surface55533-text-soft);
}
.surface55533-checks {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: grid;
  gap: 8px;
}
.surface55533-checks li {
  margin: 0;
  padding: 10px 10px 10px 34px;
  position: relative;
  border: 1px solid var(--surface55533-border);
  background: rgba(18, 26, 44, 0.35);
  color: var(--surface55533-text-soft);
  font-size: 13px;
}
.surface55533-checks li::before {
  content: "✓";
  position: absolute;
  left: 10px;
  color: var(--surface55533-accent);
  font-weight: 700;
}
.surface55533-terms {
  margin: 10px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.surface55533-terms div {
  padding: 10px;
  border-bottom: 1px solid var(--surface55533-border);
}
.surface55533-terms dt {
  font: 700 13px/1.35 var(--surface55533-font-head);
  color: var(--surface55533-accent);
}
.surface55533-terms dd {
  margin: 4px 0 0;
  color: var(--surface55533-text-soft);
  font-size: 13px;
}
.surface55533-diagnostic {
  display: grid;
  gap: 8px;
  margin-top: 10px;
}
.surface55533-diagnostic article {
  padding: 11px;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-sm);
  background: rgba(18, 26, 44, 0.42);
}
.surface55533-diagnostic h3 { margin: 0 0 6px; font-size: 14px; }
.surface55533-diagnostic p { margin-bottom: 5px; }
.surface55533-qa {
  padding: 10px 0;
  border-bottom: 1px solid var(--surface55533-border);
}
.surface55533-qa:last-child { border-bottom: 0; }
.surface55533-qa h3 { margin: 0 0 5px; }
.surface55533-inline-action {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  margin: 4px 0 12px;
  padding: 8px 12px;
  border: 1px solid var(--surface55533-border-strong);
  border-radius: var(--surface55533-radius-sm);
  background: transparent;
  color: var(--surface55533-text);
  font: 600 13px/1.2 var(--surface55533-font-head);
  cursor: pointer;
}
.surface55533-inline-action:active { transform: scale(0.96); }

/* ---------- Extended footer (home only) ---------- */
.surface55533-extended {
  margin: 26px 12px 8px;
  padding: 18px 14px;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-lg);
  background: linear-gradient(180deg, rgba(33, 48, 73, 0.65), rgba(18, 26, 44, 0.65));
}
.surface55533-extended-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.surface55533-extended-head img {
  width: 40px;
  height: 40px;
  border-radius: var(--surface55533-radius-sm);
  border: 1px solid var(--surface55533-border);
  flex: 0 0 auto;
}
.surface55533-extended-head h2 {
  font-size: 15px;
  margin: 0;
}
.surface55533-extended-head p {
  margin: 0;
  font-size: 12px;
  color: var(--surface55533-text-dim);
}
.surface55533-extended p {
  font-size: 13px;
  color: var(--surface55533-text-soft);
}
.surface55533-extended-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}
.surface55533-extended-grid a {
  padding: 9px 11px;
  border: 1px solid var(--surface55533-border);
  border-radius: var(--surface55533-radius-sm);
  background: rgba(18, 26, 44, 0.5);
  color: var(--surface55533-text-soft);
  font-size: 12.5px;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s var(--surface55533-ease), transform 0.12s, color 0.15s;
}
.surface55533-extended-grid a::before {
  content: "›";
  color: var(--surface55533-accent);
  font-weight: 700;
}
.surface55533-extended-grid a:hover {
  background: var(--surface55533-bg-hover);
  color: var(--surface55533-text);
}
.surface55533-extended-grid a:active { transform: scale(0.97); }

.surface55533-promo-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-top: 10px;
}
.surface55533-promo-row .surface55533-btn {
  min-height: 40px;
  font-size: 12.5px;
}
.surface55533-promo-row .surface55533-btn:nth-child(odd):last-child {
  grid-column: 1 / -1;
}
.surface55533-disclaimer {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--surface55533-border);
  font-size: 11.5px;
  color: var(--surface55533-text-dim);
  line-height: 1.55;
}

/* ---------- Footer copyright ---------- */
.surface55533-footer {
  padding: 18px 16px calc(var(--surface55533-bottomnav-h) + 16px);
  text-align: center;
  border-top: 1px solid var(--surface55533-border);
  margin: 22px 12px 0;
}
.surface55533-footer p {
  font-size: 11.5px;
  color: var(--surface55533-text-dim);
  margin: 0 0 4px;
}

/* ---------- Bottom navigation ---------- */
.surface55533-bottomnav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--surface55533-bottomnav-h);
  background: rgba(18, 26, 44, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid var(--surface55533-border-strong);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: stretch;
  z-index: 92;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.surface55533-bottomnav a,
.surface55533-bottomnav button {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  background: transparent;
  border: none;
  border-top: 2px solid transparent;
  color: var(--surface55533-text-dim);
  font-family: var(--surface55533-font-head);
  font-size: 10.5px;
  letter-spacing: 0.02em;
  padding: 6px 2px 4px;
  cursor: pointer;
  min-height: 44px;
  transition: color 0.16s var(--surface55533-ease), transform 0.12s var(--surface55533-ease), border-color 0.16s, background 0.16s;
}
.surface55533-bottomnav a:active,
.surface55533-bottomnav button:active { transform: scale(0.92); }
.surface55533-bottomnav-icon {
  width: 22px;
  height: 22px;
  display: block;
}
.surface55533-bottomnav a[aria-current="page"],
.surface55533-bottomnav button[aria-current="page"] {
  color: var(--surface55533-bg-deep);
  background: var(--surface55533-accent);
  border-top-color: var(--surface55533-accent-warm);
}
.surface55533-bottomnav a:hover,
.surface55533-bottomnav button:hover { color: var(--surface55533-text); }
.surface55533-bottomnav a[aria-current="page"]:hover,
.surface55533-bottomnav button[aria-current="page"]:hover { color: var(--surface55533-bg-deep); }

/* ---------- Utility + animations ---------- */
.surface55533-reveal {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.4s var(--surface55533-ease), transform 0.4s var(--surface55533-ease);
}
.surface55533-reveal.surface55533-in {
  opacity: 1;
  transform: translateY(0);
}
.surface55533-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.surface55533-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 12, 22, 0.55);
  z-index: 85;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.22s var(--surface55533-ease), visibility 0.22s;
}
.surface55533-backdrop[data-open="true"] {
  opacity: 1;
  visibility: visible;
}

/* ---------- Wide screens: keep the phone canvas ---------- */
@media (min-width: 480px) {
  body { background: #0a0f1c; }
  .surface55533-stage { border-radius: 0; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .surface55533-reveal { opacity: 1; transform: none; }
}