/* PG99 App - layout stylesheet
   Class prefix: ui8f-
   Palette: #FFCC33 (gold) | #1A1A2E (dark bg) | #CC99FF (purple accent) | #EEE8AA | #FFEF94
   Mobile-first, max-width 430px
   Comments: English
*/

:root {
  --ui8f-primary: #FFCC33;
  --ui8f-bg: #1A1A2E;
  --ui8f-text: #FFEF94;
  --ui8f-gold: #FFCC33;
  --ui8f-dark: #1A1A2E;
  --ui8f-dark-2: #232347;
  --ui8f-dark-3: #2c2c54;
  --ui8f-purple: #CC99FF;
  --ui8f-cream: #EEE8AA;
  --ui8f-light: #FFEF94;
  --ui8f-white: #ffffff;
  --ui8f-gray: #b8b8d1;
  --ui8f-red: #ff5a7a;
  --ui8f-green: #36d399;
  --ui8f-radius: 12px;
  --ui8f-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --ui8f-header-h: 60px;
  --ui8f-botnav-h: 62px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: "Segoe UI", "Roboto", "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(160deg, #1A1A2E 0%, #232347 60%, #2c2c54 100%);
  color: #f3f3ff;
  line-height: 1.55;
  font-size: 1.6rem;
  overflow-x: hidden;
}

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

a {
  color: var(--ui8f-gold);
  text-decoration: none;
  transition: color .2s ease;
}

a:hover {
  color: var(--ui8f-light);
}

h1, h2, h3, h4 {
  margin: 0 0 1rem;
  color: var(--ui8f-gold);
  line-height: 1.3;
  font-weight: 700;
}

p { margin: 0 0 1.2rem; color: #ececf7; }

/* ============ Layout container ============ */
.ui8f-wrap {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
}

@media (min-width: 769px) {
  .ui8f-wrap { max-width: 720px; }
}

/* ============ Header ============ */
.ui8f-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  height: var(--ui8f-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  background: linear-gradient(90deg, #1A1A2E 0%, #2c2c54 100%);
  border-bottom: 2px solid var(--ui8f-gold);
  box-shadow: 0 2px 10px rgba(0,0,0,0.45);
}

.ui8f-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ui8f-gold);
}

.ui8f-logo img {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 2px solid var(--ui8f-gold);
}

.ui8f-logo-text small {
  display: block;
  font-size: 1rem;
  color: var(--ui8f-purple);
  font-weight: 500;
  letter-spacing: 1px;
}

.ui8f-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ui8f-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border: none;
  border-radius: 30px;
  font-size: 1.35rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .2s ease, filter .2s ease;
  text-decoration: none;
  min-height: 38px;
  font-family: inherit;
}

.ui8f-btn:hover { transform: translateY(-1px); filter: brightness(1.08); }
.ui8f-btn:active { transform: translateY(0); }

.ui8f-btn-register {
  background: linear-gradient(135deg, var(--ui8f-gold), #ff9f1c);
  color: #1A1A2E;
  box-shadow: 0 4px 12px rgba(255,204,51,0.4);
}

.ui8f-btn-login {
  background: transparent;
  color: var(--ui8f-gold);
  border: 2px solid var(--ui8f-gold);
}

.ui8f-btn-purple {
  background: linear-gradient(135deg, var(--ui8f-purple), #7b2ff7);
  color: #fff;
}

.ui8f-btn-ghost {
  background: rgba(255,255,255,0.06);
  color: var(--ui8f-cream);
  border: 1px solid rgba(204,153,255,0.4);
}

.ui8f-menu-btn {
  background: transparent;
  border: none;
  color: var(--ui8f-gold);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 6px;
  display: none;
}

/* ============ Top nav (desktop) ============ */
.ui8f-topnav {
  display: none;
  background: var(--ui8f-dark-2);
  border-bottom: 1px solid rgba(255,204,51,0.2);
  padding: 0 16px;
}

.ui8f-topnav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

.ui8f-topnav a {
  display: block;
  padding: 10px 4px;
  color: var(--ui8f-cream);
  font-size: 1.35rem;
  font-weight: 600;
  border-bottom: 2px solid transparent;
}

.ui8f-topnav a:hover {
  color: var(--ui8f-gold);
  border-bottom-color: var(--ui8f-gold);
}

/* ============ Mobile slide menu ============ */
.ui8f-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 78%;
  max-width: 320px;
  height: 100vh;
  background: linear-gradient(160deg, #1A1A2E, #2c2c54);
  z-index: 9999;
  padding: 70px 18px 30px;
  transition: right .3s ease;
  overflow-y: auto;
  border-left: 2px solid var(--ui8f-gold);
  box-shadow: -6px 0 20px rgba(0,0,0,0.5);
}

.ui8f-mobile-menu.ui8f-menu-open { right: 0; }

.ui8f-mobile-menu a {
  display: block;
  padding: 13px 12px;
  border-bottom: 1px solid rgba(204,153,255,0.18);
  color: var(--ui8f-cream);
  font-size: 1.45rem;
  font-weight: 600;
}

.ui8f-mobile-menu a:hover { color: var(--ui8f-gold); background: rgba(255,204,51,0.08); }

.ui8f-menu-close {
  position: absolute;
  top: 14px;
  right: 14px;
  background: transparent;
  border: none;
  color: var(--ui8f-gold);
  font-size: 2.4rem;
  cursor: pointer;
}

.ui8f-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9998;
}
.ui8f-overlay.ui8f-show { display: block; }

/* ============ Hero / Carousel ============ */
.ui8f-hero {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 18px 18px;
  margin-bottom: 14px;
}

.ui8f-carousel {
  position: relative;
  width: 100%;
  height: 220px;
  overflow: hidden;
}

.ui8f-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity .6s ease;
  display: flex;
  align-items: center;
  padding: 22px;
  background-size: cover;
  background-position: center;
}

.ui8f-slide.ui8f-slide-active { opacity: 1; }

.ui8f-slide::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(26,26,46,0.92) 0%, rgba(26,26,46,0.35) 100%);
}

.ui8f-slide-content {
  position: relative;
  z-index: 2;
  max-width: 75%;
}

.ui8f-slide-content h2 {
  font-size: 2.1rem;
  color: var(--ui8f-gold);
  margin-bottom: 6px;
  text-shadow: 0 2px 6px rgba(0,0,0,0.6);
}

.ui8f-slide-content p {
  font-size: 1.25rem;
  color: var(--ui8f-cream);
  margin-bottom: 10px;
}

.ui8f-slide-content .ui8f-btn { margin-top: 4px; }

.ui8f-carousel-dots {
  position: absolute;
  bottom: 10px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 3;
}

.ui8f-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  border: none;
  padding: 0;
}

.ui8f-carousel-dot.ui8f-dot-active {
  background: var(--ui8f-gold);
  width: 22px;
  border-radius: 4px;
}

.ui8f-carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.4);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
  z-index: 3;
}
.ui8f-carousel-arrow.ui8f-prev { left: 8px; }
.ui8f-carousel-arrow.ui8f-next { right: 8px; }

/* ============ Stats bar ============ */
.ui8f-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px;
  background: var(--ui8f-dark-2);
  border-radius: var(--ui8f-radius);
  margin: 12px;
}

.ui8f-stat {
  text-align: center;
}

.ui8f-stat-num {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ui8f-gold);
}

.ui8f-stat-label {
  font-size: 1.1rem;
  color: var(--ui8f-gray);
}

/* ============ Section ============ */
.ui8f-section {
  padding: 14px 12px 8px;
}

.ui8f-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.7rem;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(255,204,51,0.25);
}

.ui8f-section-title .material-icons,
.ui8f-section-title i {
  color: var(--ui8f-gold);
  font-size: 2rem;
}

.ui8f-section-title small {
  margin-left: auto;
  font-size: 1.1rem;
  color: var(--ui8f-purple);
  font-weight: 500;
}

/* ============ Category filter tabs ============ */
.ui8f-filter {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 6px 12px 12px;
  scrollbar-width: none;
}
.ui8f-filter::-webkit-scrollbar { display: none; }

.ui8f-filter-tab {
  flex: 0 0 auto;
  padding: 8px 16px;
  border-radius: 20px;
  background: var(--ui8f-dark-2);
  color: var(--ui8f-cream);
  font-size: 1.25rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid rgba(204,153,255,0.3);
  white-space: nowrap;
  font-family: inherit;
}

.ui8f-filter-tab.ui8f-tab-active {
  background: linear-gradient(135deg, var(--ui8f-gold), #ff9f1c);
  color: #1A1A2E;
  border-color: var(--ui8f-gold);
}

/* ============ Game grid ============ */
.ui8f-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 12px 12px;
}

.ui8f-game-card {
  background: var(--ui8f-dark-2);
  border-radius: var(--ui8f-radius);
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(204,153,255,0.18);
  transition: transform .2s ease, box-shadow .2s ease;
  cursor: pointer;
}

.ui8f-game-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--ui8f-shadow);
  border-color: var(--ui8f-gold);
}

.ui8f-game-card-img {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.ui8f-game-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui8f-game-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,26,46,0.78);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity .25s ease;
  flex-direction: column;
  gap: 6px;
}

.ui8f-game-card:hover .ui8f-game-card-overlay { opacity: 1; }

.ui8f-game-card-play {
  background: linear-gradient(135deg, var(--ui8f-gold), #ff9f1c);
  color: #1A1A2E;
  border: none;
  border-radius: 30px;
  padding: 8px 18px;
  font-size: 1.25rem;
  font-weight: 700;
  cursor: pointer;
}

.ui8f-game-card-name {
  padding: 6px 8px;
  font-size: 1.15rem;
  color: var(--ui8f-cream);
  text-align: center;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui8f-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: var(--ui8f-red);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 6px;
  z-index: 2;
}

.ui8f-badge-hot { background: linear-gradient(135deg, #ff5a7a, #ff9f1c); }
.ui8f-badge-new { background: linear-gradient(135deg, var(--ui8f-green), #1abc9c); }
.ui8f-badge-vip { background: linear-gradient(135deg, var(--ui8f-purple), #7b2ff7); }

/* ============ Feature list ============ */
.ui8f-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 0 12px;
}

.ui8f-feature {
  background: var(--ui8f-dark-2);
  border-radius: var(--ui8f-radius);
  padding: 14px;
  border: 1px solid rgba(255,204,51,0.18);
  text-align: center;
}

.ui8f-feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui8f-gold), var(--ui8f-purple));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  color: #1A1A2E;
  font-size: 1.8rem;
}

.ui8f-feature h3 {
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.ui8f-feature p {
  font-size: 1.15rem;
  color: var(--ui8f-gray);
  margin: 0;
}

/* ============ SEO article ============ */
.ui8f-article {
  background: var(--ui8f-dark-2);
  border-radius: var(--ui8f-radius);
  padding: 18px 16px;
  margin: 14px 12px;
  border: 1px solid rgba(204,153,255,0.18);
}

.ui8f-article h2 {
  font-size: 1.85rem;
  margin-top: 14px;
}

.ui8f-article h2:first-child { margin-top: 0; }

.ui8f-article h3 {
  font-size: 1.5rem;
  color: var(--ui8f-purple);
  margin-top: 14px;
}

.ui8f-article p, .ui8f-article li {
  font-size: 1.3rem;
  color: #dddde8;
  line-height: 1.65;
}

.ui8f-article ul, .ui8f-article ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.ui8f-article a { font-weight: 600; }

/* ============ Promo banner ============ */
.ui8f-promo-banner {
  margin: 14px 12px;
  padding: 18px;
  border-radius: var(--ui8f-radius);
  background: linear-gradient(135deg, #7b2ff7 0%, #CC99FF 50%, #FFCC33 100%);
  text-align: center;
  color: #1A1A2E;
  position: relative;
  overflow: hidden;
}

.ui8f-promo-banner h3 {
  font-size: 1.9rem;
  color: #1A1A2E;
  margin-bottom: 4px;
}

.ui8f-promo-banner p {
  color: #2c2c54;
  font-size: 1.25rem;
  margin-bottom: 12px;
}

/* ============ FAQ ============ */
.ui8f-faq-item {
  background: var(--ui8f-dark-2);
  border-radius: var(--ui8f-radius);
  margin-bottom: 8px;
  overflow: hidden;
  border: 1px solid rgba(204,153,255,0.18);
}

.ui8f-faq-q {
  padding: 14px 16px;
  font-weight: 700;
  color: var(--ui8f-gold);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.35rem;
}

.ui8f-faq-q .ui8f-faq-icon { transition: transform .25s ease; color: var(--ui8f-purple); }
.ui8f-faq-item.ui8f-faq-open .ui8f-faq-icon { transform: rotate(45deg); }

.ui8f-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
  padding: 0 16px;
  color: var(--ui8f-gray);
  font-size: 1.25rem;
}

.ui8f-faq-item.ui8f-faq-open .ui8f-faq-a {
  max-height: 500px;
  padding-bottom: 14px;
}

/* ============ Footer ============ */
.ui8f-footer {
  background: var(--ui8f-dark);
  border-top: 2px solid var(--ui8f-gold);
  padding: 24px 14px calc(var(--ui8f-botnav-h) + 24px);
  margin-top: 18px;
}

.ui8f-footer-cols {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  margin-bottom: 18px;
}

.ui8f-footer-col h4 {
  font-size: 1.35rem;
  color: var(--ui8f-gold);
  margin-bottom: 10px;
}

.ui8f-footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.ui8f-footer-col li { margin-bottom: 6px; }

.ui8f-footer-col a {
  color: var(--ui8f-cream);
  font-size: 1.2rem;
}

.ui8f-footer-bottom {
  text-align: center;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 1.15rem;
  color: var(--ui8f-gray);
}

/* ============ Bottom mobile nav ============ */
.ui8f-botnav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--ui8f-botnav-h);
  background: linear-gradient(0deg, #1A1A2E, #232347);
  border-top: 2px solid var(--ui8f-gold);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -3px 12px rgba(0,0,0,0.45);
}

.ui8f-botnav-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--ui8f-cream);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: var(--ui8f-botnav-h);
  min-width: 60px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  padding: 6px 2px;
  position: relative;
  font-family: inherit;
  transition: color .2s ease;
}

.ui8f-botnav-btn .material-icons,
.ui8f-botnav-btn i {
  font-size: 2.2rem;
}

.ui8f-botnav-btn.ui8f-botnav-promo {
  color: var(--ui8f-gold);
}

.ui8f-botnav-btn.ui8f-botnav-promo .material-icons,
.ui8f-botnav-btn.ui8f-botnav-promo i {
  font-size: 2.4rem;
}

.ui8f-botnav-btn:hover { color: var(--ui8f-gold); }

.ui8f-botnav-btn.ui8f-active {
  color: var(--ui8f-gold);
}

.ui8f-botnav-btn.ui8f-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--ui8f-gold);
  border-radius: 0 0 4px 4px;
}

/* ============ Back to top ============ */
.ui8f-back-top {
  position: fixed;
  right: 14px;
  bottom: calc(var(--ui8f-botnav-h) + 14px);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--ui8f-gold), #ff9f1c);
  color: #1A1A2E;
  border: none;
  font-size: 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 900;
  box-shadow: var(--ui8f-shadow);
}

.ui8f-back-top.ui8f-show { opacity: 1; visibility: visible; }

/* ============ Mobile bottom padding ============ */
.ui8f-main { padding-bottom: 0; }

@media (max-width: 768px) {
  .ui8f-main { padding-bottom: calc(var(--ui8f-botnav-h) + 14px); }
  .ui8f-menu-btn { display: inline-flex; }
}

/* ============ Desktop rules ============ */
@media (min-width: 769px) {
  .ui8f-botnav { display: none; }
  .ui8f-topnav { display: block; }
  .ui8f-game-grid { grid-template-columns: repeat(5, 1fr); }
  .ui8f-features { grid-template-columns: repeat(4, 1fr); }
  .ui8f-footer-cols { grid-template-columns: repeat(4, 1fr); }
  .ui8f-carousel { height: 300px; }
  .ui8f-back-top { bottom: 24px; }
}