/* ============================================================
   arina plus - skin-b13f2b.css
   Mobile-first canvas (320-430px). Wide screens keep the
   phone canvas centered. All custom classes use the "ui13-"
   prefix. Palette: deep ink + electric royal blue on warm
   cream, with soft sky and ash neutrals.
   ============================================================ */

:root {
  --ui13-ink: #1E1E1E;          /* darkest background */
  --ui13-royal: #0000CD;        /* primary brand blue */
  --ui13-blue: #0000FF;         /* electric accent */
  --ui13-cream: #FAF0E6;        /* warm light text */
  --ui13-sky: #ADD8E6;          /* soft secondary */
  --ui13-ash: #EEEEEE;          /* neutral surface */
  --ui13-line: rgba(250, 240, 230, 0.14);
  --ui13-line-strong: rgba(250, 240, 230, 0.28);
  --ui13-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  --ui13-header-h: 56px;
  --ui13-bottom-h: 64px;
  --ui13-max-canvas: 430px;
  --ui13-radius: 14px;
  --ui13-radius-sm: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: #0c0c0c;
  color: var(--ui13-cream);
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 15px;
  line-height: 1.55;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

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

a { color: var(--ui13-sky); text-decoration: none; }
a:hover, a:focus { color: var(--ui13-cream); }

/* Centered phone canvas on wide screens. */
.ui13-page {
  max-width: var(--ui13-max-canvas);
  margin: 0 auto;
  background:
    radial-gradient(120% 60% at 50% -10%, rgba(0, 0, 205, 0.35), transparent 60%),
    linear-gradient(180deg, #141414 0%, #0e0e0e 40%, #0a0a0a 100%);
  min-height: 100vh;
  position: relative;
  box-shadow: var(--ui13-shadow);
  overflow: hidden;
}

.ui13-page__main {
  padding-top: var(--ui13-header-h);
  padding-bottom: calc(var(--ui13-bottom-h) + 24px);
}

/* ============================================================
   Header: minimal title + action band
   ============================================================ */
.ui13-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: var(--ui13-max-canvas);
  margin: 0 auto;
  height: var(--ui13-header-h);
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 12px;
  background: linear-gradient(180deg, rgba(20, 20, 20, 0.98), rgba(10, 10, 10, 0.92));
  border-bottom: 1px solid var(--ui13-line-strong);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.ui13-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.ui13-brand__logo {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  object-fit: cover;
  border: 1px solid var(--ui13-royal);
  background: #fff;
  flex-shrink: 0;
}

.ui13-brand__name {
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.2px;
  color: var(--ui13-cream);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui13-brand__name b { color: var(--ui13-sky); }

.ui13-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.ui13-btn {
  -webkit-appearance: none;
  appearance: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 9px 14px;
  border-radius: 999px;
  min-height: 36px;
  min-width: 44px;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease;
  color: var(--ui13-cream);
}

.ui13-btn--ghost {
  background: transparent;
  border: 1px solid var(--ui13-line-strong);
  color: var(--ui13-cream);
}
.ui13-btn--ghost:hover { background: rgba(255, 255, 255, 0.06); }

.ui13-btn--primary {
  background: linear-gradient(135deg, var(--ui13-royal), var(--ui13-blue));
  color: #fff;
  box-shadow: 0 6px 18px rgba(0, 0, 205, 0.45);
}
.ui13-btn--primary:hover { transform: translateY(-1px); }

.ui13-iconbtn {
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--ui13-line-strong);
  background: transparent;
  color: var(--ui13-cream);
  cursor: pointer;
}
.ui13-iconbtn svg { width: 20px; height: 20px; display: block; }

/* ============================================================
   Layered dropdown menu
   ============================================================ */
.ui13-menu {
  position: fixed;
  top: var(--ui13-header-h);
  left: 0;
  right: 0;
  max-width: var(--ui13-max-canvas);
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(15, 15, 15, 0.99), rgba(8, 8, 8, 0.99));
  border-bottom: 1px solid var(--ui13-line-strong);
  padding: 14px 14px 18px;
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.22s ease, opacity 0.22s ease, visibility 0.22s;
  z-index: 99;
  max-height: calc(100vh - var(--ui13-header-h));
  overflow-y: auto;
}
.ui13-menu--open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

.ui13-menu__group { margin-bottom: 14px; }
.ui13-menu__group:last-child { margin-bottom: 0; }
.ui13-menu__group-title {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ui13-sky);
  margin: 6px 4px 8px;
}
.ui13-menu__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.ui13-menu__list a {
  display: block;
  padding: 11px 12px;
  border: 1px solid var(--ui13-line);
  border-radius: var(--ui13-radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--ui13-cream);
  font-weight: 600;
  font-size: 13.5px;
}
.ui13-menu__list a:hover, .ui13-menu__list a:focus {
  border-color: var(--ui13-royal);
  background: rgba(0, 0, 205, 0.15);
}
.ui13-menu__promo {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.ui13-menu__promo .ui13-btn { flex: 1; min-width: 120px; }

/* ============================================================
   Hero carousel
   ============================================================ */
.ui13-hero {
  position: relative;
  margin: 14px 12px 6px;
  border-radius: var(--ui13-radius);
  overflow: hidden;
  border: 1px solid var(--ui13-line-strong);
  box-shadow: var(--ui13-shadow);
}
.ui13-hero__viewport {
  overflow: hidden;
}
.ui13-hero__track {
  display: flex;
  width: 100%;
  transition: transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}
.ui13-hero__slide {
  flex: 0 0 100%;
  position: relative;
}
.ui13-hero__slide img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}
.ui13-hero__overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 14px;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.82));
  color: var(--ui13-cream);
}
.ui13-hero__overlay h2 {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
  color: #fff;
}
.ui13-hero__overlay p {
  margin: 0 0 10px;
  font-size: 12.5px;
  color: var(--ui13-sky);
}
.ui13-hero__cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--ui13-royal), var(--ui13-blue));
  color: #fff;
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
}

.ui13-hero__nav {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  pointer-events: none;
}
.ui13-hero__nav button {
  pointer-events: auto;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(0, 0, 0, 0.45);
  color: #fff;
  font-size: 16px;
  cursor: pointer;
  margin: 0 6px;
}
.ui13-hero__dots {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
}
.ui13-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: 0;
  padding: 0;
  cursor: pointer;
}
.ui13-hero-dot--active { background: var(--ui13-blue); }

/* ============================================================
   Section scaffolding
   ============================================================ */
.ui13-section {
  margin: 18px 12px;
}
.ui13-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--ui13-line);
}
.ui13-section__title {
  font-size: 16px;
  font-weight: 800;
  color: var(--ui13-cream);
  margin: 0;
}
.ui13-section__title em {
  color: var(--ui13-sky);
  font-style: normal;
}
.ui13-section__more {
  font-size: 12px;
  font-weight: 700;
  color: var(--ui13-sky);
}

.ui13-lead {
  font-size: 13.5px;
  color: var(--ui13-ash);
  margin: 0 0 10px;
}

/* Category chip bar */
.ui13-chips {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 4px 0 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.ui13-chips::-webkit-scrollbar { display: none; }
.ui13-chip {
  flex: 0 0 auto;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--ui13-line-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--ui13-cream);
  font-size: 12.5px;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
}
.ui13-chip:hover { border-color: var(--ui13-royal); color: #fff; }

/* ============================================================
   Game grid
   ============================================================ */
.ui13-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (min-width: 360px) {
  .ui13-grid--cards { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 400px) {
  .ui13-grid { grid-template-columns: repeat(5, 1fr); }
}

.ui13-game {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--ui13-line);
  border-radius: var(--ui13-radius-sm);
  padding: 6px 4px 8px;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.2s ease, background 0.2s ease;
  min-width: 0;
}
.ui13-game:hover, .ui13-game:focus {
  transform: translateY(-2px);
  border-color: var(--ui13-royal);
  background: rgba(0, 0, 205, 0.14);
}
.ui13-game:active { transform: translateY(0); }

.ui13-inline-promo {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 13px;
  margin: 4px 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--ui13-royal), var(--ui13-blue));
  color: #fff;
  font-weight: 800;
  font-size: 12.5px;
  box-shadow: 0 6px 16px rgba(0, 0, 205, 0.3);
}

.ui13-callout {
  margin: 10px 0;
  padding: 12px;
  border-left: 3px solid var(--ui13-blue);
  border-radius: 0 var(--ui13-radius-sm) var(--ui13-radius-sm) 0;
  background: rgba(173, 216, 230, 0.08);
  color: var(--ui13-ash);
  font-size: 13px;
}

.ui13-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  color: var(--ui13-ash);
}
.ui13-table th, .ui13-table td {
  padding: 8px 6px;
  border-bottom: 1px solid var(--ui13-line);
  text-align: left;
  vertical-align: top;
}
.ui13-table th { color: var(--ui13-sky); font-weight: 800; }

.ui13-faq details {
  border-bottom: 1px solid var(--ui13-line);
  padding: 9px 0;
}
.ui13-faq summary { cursor: pointer; color: var(--ui13-cream); font-weight: 700; }
.ui13-faq p { margin: 7px 0 0; color: var(--ui13-ash); font-size: 13px; }
.ui13-game__img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 8px;
  background: #000;
  margin-bottom: 5px;
}
.ui13-game__name {
  font-size: 11px;
  font-weight: 600;
  color: var(--ui13-cream);
  line-height: 1.25;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  min-height: 28px;
}

/* ============================================================
   Info / feature cards
   ============================================================ */
.ui13-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.ui13-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--ui13-line);
  border-radius: var(--ui13-radius-sm);
  padding: 12px;
}
.ui13-card h3 {
  margin: 0 0 4px;
  font-size: 13.5px;
  color: var(--ui13-sky);
}
.ui13-card p {
  margin: 0;
  font-size: 12.5px;
  color: var(--ui13-ash);
}

.ui13-prose {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--ui13-line);
  border-radius: var(--ui13-radius);
  padding: 14px;
}
.ui13-prose h2 {
  margin: 0 0 8px;
  font-size: 16px;
  color: var(--ui13-cream);
}
.ui13-prose h3 {
  margin: 14px 0 6px;
  font-size: 14px;
  color: var(--ui13-sky);
}
.ui13-prose p {
  margin: 0 0 10px;
  font-size: 13.5px;
  color: var(--ui13-ash);
}
.ui13-prose ul {
  margin: 0 0 10px;
  padding-left: 18px;
}
.ui13-prose li { font-size: 13px; color: var(--ui13-ash); margin-bottom: 4px; }
.ui13-prose a { color: var(--ui13-sky); border-bottom: 1px dashed rgba(173, 216, 230, 0.5); }

/* Steps / checklist */
.ui13-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}
.ui13-step {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 10px;
  border: 1px solid var(--ui13-line);
  border-radius: var(--ui13-radius-sm);
  background: rgba(0, 0, 205, 0.08);
}
.ui13-step__no {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui13-royal), var(--ui13-blue));
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ui13-step__body h3 {
  margin: 0 0 3px;
  font-size: 13.5px;
  color: var(--ui13-cream);
}
.ui13-step__body p {
  margin: 0;
  font-size: 12.5px;
  color: var(--ui13-ash);
}

/* ============================================================
   Extended footer (homepage only)
   ============================================================ */
.ui13-ext {
  margin: 22px 12px 6px;
  border-top: 1px solid var(--ui13-line);
  padding-top: 16px;
}
.ui13-ext__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.ui13-ext__col h4 {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ui13-sky);
}
.ui13-ext__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.ui13-ext__col li { margin-bottom: 6px; }
.ui13-ext__col a {
  font-size: 12.5px;
  color: var(--ui13-cream);
}
.ui13-ext__col a:hover { color: var(--ui13-sky); }

.ui13-ext__promos {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 14px 0;
}
.ui13-ext__promos .ui13-btn { width: 100%; padding: 10px 8px; font-size: 12px; }

.ui13-ext__brand p {
  font-size: 12.5px;
  color: var(--ui13-ash);
  margin: 0 0 10px;
}

.ui13-disclaimer {
  margin: 12px 12px 4px;
  padding: 12px;
  border: 1px dashed var(--ui13-line-strong);
  border-radius: var(--ui13-radius-sm);
  font-size: 11.5px;
  color: var(--ui13-ash);
  line-height: 1.5;
}

.ui13-legal {
  text-align: center;
  font-size: 11.5px;
  color: var(--ui13-ash);
  padding: 8px 12px 14px;
}

/* ============================================================
   Mobile bottom navigation (outlined function bar)
   ============================================================ */
.ui13-bottom {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  max-width: var(--ui13-max-canvas);
  margin: 0 auto;
  height: var(--ui13-bottom-h);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: linear-gradient(180deg, rgba(15, 15, 15, 0.98), rgba(8, 8, 8, 0.99));
  border-top: 1px solid var(--ui13-line-strong);
  z-index: 100;
}
.ui13-bottom__item {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--ui13-ash);
  text-decoration: none;
  background: transparent;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  padding: 6px 2px;
  min-height: 44px;
  transition: color 0.18s ease;
}
.ui13-bottom__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--ui13-royal), var(--ui13-blue));
  transition: width 0.22s ease;
}
.ui13-bottom__item:hover { color: var(--ui13-cream); }
.ui13-bottom__item:hover::before,
.ui13-bottom__item:focus::before { width: 26px; }
.ui13-bottom__item--active { color: var(--ui13-cream); }
.ui13-bottom__item--active::before { width: 30px; }
.ui13-bottom__icon { width: 22px; height: 22px; display: block; }
.ui13-bottom__label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.02em;
  opacity: 0.85;
}
.ui13-bottom__item:hover .ui13-bottom__label,
.ui13-bottom__item--active .ui13-bottom__label { opacity: 1; }

/* ============================================================
   Reveal animation
   ============================================================ */
.ui13-reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.ui13-reveal--in {
  opacity: 1;
  transform: translateY(0);
}

/* Visually hidden helper */
.ui13-sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  border: 0; clip: rect(0 0 0 0);
  overflow: hidden;
}

/* Focus ring for keyboard users */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--ui13-sky);
  outline-offset: 2px;
  border-radius: 6px;
}