/* ============================================================
 * SportPlus (sportplus.cyou) - Core stylesheet
 * All custom classes use the ui13- prefix.
 * Palette: #BAE1FF #0E1621 #FFCCCB #FF8A80 #FF1493 #D3D3D3
 * Mobile-first, max-width 430px in core layout.
 * ============================================================ */

:root {
  --ui13-bg: #0E1621;
  --ui13-bg-soft: #14202f;
  --ui13-bg-card: #1b2a3d;
  --ui13-text: #D3D3D3;
  --ui13-text-strong: #ffffff;
  --ui13-sky: #BAE1FF;
  --ui13-pink: #FF1493;
  --ui13-rose: #FF8A80;
  --ui13-blush: #FFCCCB;
  --ui13-border: rgba(186, 225, 255, 0.14);
  --ui13-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
  --ui13-radius: 18px;
  --ui13-radius-sm: 12px;
  --ui13-maxw: 430px;
  --ui13-header-h: 60px;
  --ui13-nav-h: 64px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--ui13-bg);
  color: var(--ui13-text);
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}
body { min-height: 100vh; }
img { max-width: 100%; display: block; }
a { color: var(--ui13-sky); text-decoration: none; }
a:hover { color: var(--ui13-blush); }
h1, h2, h3, h4 { color: var(--ui13-text-strong); line-height: 1.3; margin: 0 0 .6em; }
p { margin: 0 0 1em; }

.ui13-wrap {
  width: 100%;
  max-width: var(--ui13-maxw);
  margin: 0 auto;
  padding: 0 14px;
}
.ui13-section { padding: 28px 0; }
.ui13-section-title {
  font-size: 1.4rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}
.ui13-section-title i { color: var(--ui13-pink); }
.ui13-section-sub { color: var(--ui13-sky); font-size: .85rem; margin-bottom: 16px; }
.ui13-divider { height: 1px; background: var(--ui13-border); margin: 22px 0; }

/* ---------------- Header ---------------- */
.ui13-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--ui13-header-h);
  background: rgba(14, 22, 33, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ui13-border);
  z-index: 1000;
  display: flex;
  align-items: center;
}
.ui13-header-scrolled { box-shadow: 0 6px 20px rgba(0,0,0,.35); }
.ui13-header .ui13-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.ui13-logo {
  display: flex; align-items: center; gap: 8px;
  color: var(--ui13-text-strong);
  font-weight: 800; font-size: 1.15rem;
  letter-spacing: .5px;
}
.ui13-logo .ui13-logo-badge {
  width: 34px; height: 34px; border-radius: 10px;
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px;
  box-shadow: 0 4px 14px rgba(255, 20, 147, .35);
}
.ui13-logo small { color: var(--ui13-sky); font-size: .65rem; font-weight: 600; display: block; letter-spacing: 2px; }

.ui13-header-actions { display: flex; align-items: center; gap: 8px; }
.ui13-btn {
  border: 0; cursor: pointer;
  font-weight: 700; font-size: .9rem;
  padding: 9px 16px; border-radius: 999px;
  transition: transform .15s ease, box-shadow .15s ease, opacity .15s;
}
.ui13-btn:hover { transform: translateY(-1px); }
.ui13-btn-primary {
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  color: #fff;
  box-shadow: 0 6px 16px rgba(255, 20, 147, .4);
}
.ui13-btn-ghost {
  background: transparent;
  color: var(--ui13-sky);
  border: 1px solid var(--ui13-border);
}
.ui13-btn-block { display: block; width: 100%; padding: 14px; font-size: 1rem; }

.ui13-icon-btn {
  background: transparent; border: 1px solid var(--ui13-border);
  color: var(--ui13-sky); width: 40px; height: 40px;
  border-radius: 12px; display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}

/* ---------------- Hero / Carousel ---------------- */
.ui13-hero {
  margin-top: var(--ui13-header-h);
  position: relative;
  overflow: hidden;
  background: radial-gradient(circle at 20% 10%, rgba(255,20,147,.25), transparent 45%),
              radial-gradient(circle at 90% 80%, rgba(186,225,255,.18), transparent 40%),
              linear-gradient(180deg, #14202f, #0E1621);
}
.ui13-slides { position: relative; }
.ui13-slide {
  display: none;
  padding: 30px 16px 36px;
  text-align: center;
}
.ui13-slide-active { display: block; animation: ui13fade .6s ease; }
@keyframes ui13fade { from { opacity: 0; transform: translateY(8px);} to { opacity: 1; transform: none; } }
.ui13-slide h1 { font-size: 1.9rem; line-height: 1.2; }
.ui13-slide .ui13-pill {
  display: inline-block; padding: 5px 12px; border-radius: 999px;
  background: rgba(255, 204, 203, .15); color: var(--ui13-blush);
  font-size: .72rem; font-weight: 700; letter-spacing: 1.5px; margin-bottom: 12px;
}
.ui13-hero-cta { display: flex; gap: 10px; justify-content: center; margin: 18px 0 8px; flex-wrap: wrap; }
.ui13-hero-meta { display: flex; justify-content: center; gap: 18px; margin-top: 14px; color: var(--ui13-sky); font-size: .8rem; }
.ui13-hero-meta b { color: var(--ui13-text-strong); font-size: 1.1rem; display: block; }

.ui13-dots { display: flex; justify-content: center; gap: 6px; padding: 4px 0 6px; }
.ui13-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(186, 225, 255, .35); cursor: pointer;
}
.ui13-dot-active { background: var(--ui13-pink); width: 22px; border-radius: 999px; }

/* ---------------- Marquee ---------------- */
.ui13-marquee {
  background: linear-gradient(90deg, var(--ui13-pink), var(--ui13-rose));
  color: #fff; font-weight: 700; font-size: .82rem;
  padding: 8px 0; overflow: hidden; white-space: nowrap;
}
.ui13-marquee span { display: inline-block; padding-left: 100%; animation: ui13scroll 22s linear infinite; }
@keyframes ui13scroll { to { transform: translateX(-100%); } }

/* ---------------- Chips ---------------- */
.ui13-chips {
  display: flex; gap: 8px; overflow-x: auto;
  padding: 14px 0 6px; -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.ui13-chips::-webkit-scrollbar { display: none; }
.ui13-chip {
  flex: 0 0 auto;
  padding: 8px 16px; border-radius: 999px;
  background: var(--ui13-bg-card); color: var(--ui13-text);
  font-size: .82rem; font-weight: 600;
  border: 1px solid var(--ui13-border);
  cursor: pointer; white-space: nowrap;
}
.ui13-chip-active {
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  color: #fff; border-color: transparent;
}

/* ---------------- Game grid ---------------- */
.ui13-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.ui13-card {
  background: var(--ui13-bg-card);
  border: 1px solid var(--ui13-border);
  border-radius: var(--ui13-radius-sm);
  overflow: hidden;
  position: relative;
  transition: transform .15s ease, box-shadow .15s ease;
}
.ui13-card:hover { transform: translateY(-3px); box-shadow: var(--ui13-shadow); }
.ui13-card-img {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #1f3147, #15263a);
  position: relative;
  overflow: hidden;
}
.ui13-card-img img { width: 100%; height: 100%; object-fit: cover; }
.ui13-card-badge {
  position: absolute; top: 6px; left: 6px;
  background: var(--ui13-pink); color: #fff;
  font-size: .6rem; font-weight: 800; padding: 3px 7px;
  border-radius: 6px; letter-spacing: .5px;
}
.ui13-card-badge.hot { background: linear-gradient(135deg, #FF1493, #FF8A80); }
.ui13-card-badge.new { background: var(--ui13-sky); color: #0E1621; }
.ui13-card-title {
  font-size: .72rem; color: var(--ui13-text-strong);
  padding: 6px 8px 8px; font-weight: 600; text-align: center;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ui13-card-play {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(14, 22, 33, .55);
  opacity: 0; transition: opacity .2s ease;
}
.ui13-card:hover .ui13-card-play { opacity: 1; }
.ui13-card-play .ui13-btn { font-size: .78rem; padding: 7px 14px; }

.ui13-grid-2 { grid-template-columns: repeat(2, 1fr); }

/* ---------------- Featured / Promo banner ---------------- */
.ui13-promo {
  background: linear-gradient(135deg, #1d2c40, #2a1d36);
  border: 1px solid var(--ui13-border);
  border-radius: var(--ui13-radius);
  padding: 18px;
  display: flex; gap: 14px; align-items: center;
}
.ui13-promo-icon {
  width: 56px; height: 56px; flex: 0 0 auto;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px;
}
.ui13-promo h3 { font-size: 1.05rem; margin-bottom: 4px; }
.ui13-promo p { font-size: .82rem; margin: 0; color: var(--ui13-sky); }

/* ---------------- Category cards ---------------- */
.ui13-cat-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px;
}
.ui13-cat-card {
  background: var(--ui13-bg-card);
  border: 1px solid var(--ui13-border);
  border-radius: var(--ui13-radius);
  padding: 18px 14px;
  text-align: center;
  color: var(--ui13-text);
  transition: transform .15s ease;
}
.ui13-cat-card:hover { transform: translateY(-2px); border-color: var(--ui13-pink); }
.ui13-cat-icon {
  width: 48px; height: 48px; margin: 0 auto 10px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  background: rgba(186, 225, 255, .12);
  color: var(--ui13-sky);
}
.ui13-cat-card h4 { font-size: .95rem; margin-bottom: 4px; }
.ui13-cat-card p { font-size: .75rem; margin: 0; }

/* ---------------- SEO content ---------------- */
.ui13-seo { color: var(--ui13-text); font-size: .9rem; }
.ui13-seo h2 { font-size: 1.25rem; margin-top: 1.4em; }
.ui13-seo h3 { font-size: 1.05rem; margin-top: 1.2em; color: var(--ui13-blush); }
.ui13-seo ul { padding-left: 1.2em; }
.ui13-seo li { margin-bottom: .5em; }
.ui13-seo a { color: var(--ui13-sky); text-decoration: underline; text-underline-offset: 2px; }
.ui13-callout {
  background: rgba(255, 20, 147, .08);
  border-left: 3px solid var(--ui13-pink);
  padding: 14px 16px; border-radius: 8px;
  color: var(--ui13-blush); font-size: .85rem; margin: 16px 0;
}

/* ---------------- FAQ ---------------- */
.ui13-faq-item {
  background: var(--ui13-bg-card);
  border: 1px solid var(--ui13-border);
  border-radius: var(--ui13-radius-sm);
  margin-bottom: 10px;
  overflow: hidden;
}
.ui13-faq-q {
  width: 100%; text-align: left;
  background: transparent; border: 0; color: var(--ui13-text-strong);
  font-weight: 700; font-size: .92rem;
  padding: 14px 16px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
}
.ui13-faq-q .ui13-faq-icon { color: var(--ui13-pink); transition: transform .2s ease; }
.ui13-faq-open .ui13-faq-icon { transform: rotate(45deg); }
.ui13-faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height .25s ease;
  padding: 0 16px;
  color: var(--ui13-text); font-size: .85rem;
}
.ui13-faq-open .ui13-faq-a { max-height: 360px; padding: 0 16px 14px; }

/* ---------------- Steps ---------------- */
.ui13-steps { counter-reset: step; }
.ui13-step {
  position: relative; padding: 12px 0 12px 44px;
  border-bottom: 1px dashed var(--ui13-border);
}
.ui13-step:last-child { border-bottom: 0; }
.ui13-step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: 0; top: 12px;
  width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  color: #fff; font-weight: 800; font-size: .85rem;
  display: flex; align-items: center; justify-content: center;
}
.ui13-step h4 { font-size: .95rem; margin-bottom: 4px; }
.ui13-step p { font-size: .82rem; margin: 0; color: var(--ui13-text); }

/* ---------------- Footer ---------------- */
.ui13-footer {
  background: #0a1119;
  border-top: 1px solid var(--ui13-border);
  padding: 28px 0 110px;
  color: var(--ui13-text);
  font-size: .82rem;
}
.ui13-footer h4 { color: var(--ui13-text-strong); font-size: .95rem; margin-bottom: 10px; }
.ui13-footer ul { list-style: none; padding: 0; margin: 0 0 18px; }
.ui13-footer li { margin-bottom: 6px; }
.ui13-footer a { color: var(--ui13-text); }
.ui13-footer a:hover { color: var(--ui13-sky); }
.ui13-footer-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.ui13-footer-bottom {
  text-align: center; padding-top: 18px;
  border-top: 1px solid var(--ui13-border);
  color: rgba(211, 211, 211, .6); font-size: .72rem;
}
.ui13-disclaimer {
  background: rgba(255, 138, 128, .08);
  border: 1px solid rgba(255, 138, 128, .25);
  border-radius: 10px; padding: 12px; font-size: .74rem;
  color: var(--ui13-blush); margin-top: 14px;
}

/* ---------------- Mobile slide-in menu ---------------- */
.ui13-menu-backdrop {
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, .55);
  z-index: 9998; opacity: 0; pointer-events: none;
  transition: opacity .25s ease;
}
.ui13-backdrop-visible { opacity: 1; pointer-events: auto; }
.ui13-mobile-menu {
  position: fixed; top: 0; right: -82%;
  width: 78%; max-width: 320px; height: 100vh;
  background: #0c1722; z-index: 9999;
  padding: 22px 18px; overflow-y: auto;
  transition: right .28s ease;
  border-left: 1px solid var(--ui13-border);
}
.ui13-menu-open { right: 0; }
.ui13-mobile-menu h3 { font-size: 1.1rem; margin-bottom: 14px; color: var(--ui13-text-strong); }
.ui13-mobile-menu a {
  display: block; padding: 12px 14px;
  border-radius: 10px; color: var(--ui13-text);
  border-bottom: 1px solid var(--ui13-border);
  font-weight: 600;
}
.ui13-mobile-menu a:hover { background: var(--ui13-bg-card); color: var(--ui13-sky); }
.ui13-menu-close {
  background: transparent; border: 0; color: var(--ui13-sky);
  font-size: 1.6rem; cursor: pointer; float: right;
}
.ui13-no-scroll { overflow: hidden; }

/* ---------------- Bottom nav ---------------- */
.ui13-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--ui13-nav-h);
  background: rgba(10, 17, 25, .97);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--ui13-border);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000;
  padding-bottom: env(safe-area-inset-bottom, 0);
}
.ui13-nav-btn {
  flex: 1;
  background: transparent; border: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  color: var(--ui13-text); font-size: 10px;
  min-width: 60px; min-height: 60px;
  gap: 3px; cursor: pointer;
  text-decoration: none;
  transition: color .15s ease, transform .15s ease;
}
.ui13-nav-btn i, .ui13-nav-btn .material-icons,
.ui13-nav-btn ion-icon { font-size: 22px; }
.ui13-nav-btn:hover { color: var(--ui13-sky); transform: translateY(-2px); }
.ui13-nav-btn-active { color: var(--ui13-pink); }
.ui13-nav-btn-promo {
  position: relative;
}
.ui13-nav-btn-promo::before {
  content: ""; position: absolute; top: -10px;
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  box-shadow: 0 6px 16px rgba(255, 20, 147, .45);
}
.ui13-nav-btn-promo i { position: relative; color: #fff; top: -8px; font-size: 20px; }
.ui13-nav-btn-promo span { position: relative; top: 4px; font-weight: 700; color: var(--ui13-blush); }

/* ---------------- Back to top ---------------- */
.ui13-to-top {
  position: fixed; right: 14px; bottom: calc(var(--ui13-nav-h) + 14px);
  width: 44px; height: 44px; border-radius: 50%;
  background: linear-gradient(135deg, var(--ui13-pink), var(--ui13-rose));
  color: #fff; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .2s ease;
  z-index: 999; box-shadow: var(--ui13-shadow);
}
.ui13-to-top-visible { opacity: 1; pointer-events: auto; }

/* ---------------- Stats strip ---------------- */
.ui13-stats {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px; background: var(--ui13-bg-card);
  border: 1px solid var(--ui13-border);
  border-radius: var(--ui13-radius); padding: 14px;
  text-align: center;
}
.ui13-stats b { color: var(--ui13-text-strong); font-size: 1.25rem; display: block; }
.ui13-stats span { color: var(--ui13-sky); font-size: .72rem; }

/* ---------------- Responsive ---------------- */
@media (min-width: 768px) {
  :root { --ui13-maxw: 960px; }
  .ui13-grid { grid-template-columns: repeat(6, 1fr); }
  .ui13-grid-2 { grid-template-columns: repeat(4, 1fr); }
  .ui13-cat-grid { grid-template-columns: repeat(4, 1fr); }
  .ui13-footer-grid { grid-template-columns: repeat(4, 1fr); }
  .ui13-bottom-nav { display: none; }
  .ui13-footer { padding-bottom: 40px; }
  .ui13-slide h1 { font-size: 2.6rem; }
}

@media (min-width: 769px) {
  .ui13-bottom-nav { display: none; }
}

@media (max-width: 768px) {
  main, .ui13-main { padding-bottom: 80px; }
  .ui13-header-desktop-only { display: none; }
}

/* Desktop nav (visible only on wide screens) */
.ui13-desktop-nav { display: none; }
@media (min-width: 769px) {
  .ui13-desktop-nav { display: flex; gap: 18px; align-items: center; }
  .ui13-desktop-nav a { color: var(--ui13-text); font-weight: 600; font-size: .9rem; }
  .ui13-desktop-nav a:hover { color: var(--ui13-sky); }
}

.ui13-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;
}