/**
 * 789bingo App APK - Main Stylesheet
 * All classes use ui1f- prefix for namespace isolation
 * Color palette: #BDC3C7 | #FFB347 | #1C2833 | #0000CD | #F8F8FF
 */

/* CSS Variables */
:root {
  --ui1f-primary: #FFB347;
  --ui1f-secondary: #0000CD;
  --ui1f-bg: #1C2833;
  --ui1f-bg-dark: #0F1923;
  --ui1f-text: #F8F8FF;
  --ui1f-text-muted: #BDC3C7;
  --ui1f-accent: #FFB347;
  --ui1f-card-bg: #1a2636;
  --ui1f-border: #2C3E50;
  --ui1f-hover: #FFD08A;
  --ui1f-radius: 8px;
  --ui1f-radius-lg: 12px;
  font-size: 62.5%;
}

/* Reset & Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--ui1f-bg);
  color: var(--ui1f-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--ui1f-primary); text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* Header */
.ui1f-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 56px;
  background: var(--ui1f-bg-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
  border-bottom: 1px solid var(--ui1f-border);
}
.ui1f-header-left {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}
.ui1f-logo {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}
.ui1f-site-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ui1f-primary);
  white-space: nowrap;
}
.ui1f-header-right {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.ui1f-btn-register, .ui1f-btn-login {
  padding: 0.5rem 1.2rem;
  border-radius: var(--ui1f-radius);
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}
.ui1f-btn-register {
  background: var(--ui1f-primary);
  color: var(--ui1f-bg-dark);
}
.ui1f-btn-register:hover { background: var(--ui1f-hover); }
.ui1f-btn-login {
  background: transparent;
  color: var(--ui1f-primary);
  border: 1px solid var(--ui1f-primary);
}
.ui1f-btn-login:hover { background: rgba(255,179,71,0.1); }

/* Hamburger Menu */
.ui1f-hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  padding: 8px;
}
.ui1f-hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ui1f-primary);
  transition: 0.3s;
}

/* Mobile Menu */
.ui1f-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100vh;
  background: var(--ui1f-bg-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.5rem;
  overflow-y: auto;
}
.ui1f-menu-active { right: 0; }
.ui1f-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  display: none;
}
.ui1f-overlay-active { display: block; }
.ui1f-menu-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-size: 2.4rem;
  color: var(--ui1f-text-muted);
  cursor: pointer;
  background: none;
  border: none;
}
.ui1f-menu-link {
  display: block;
  padding: 1.2rem 0;
  color: var(--ui1f-text);
  font-size: 1.5rem;
  border-bottom: 1px solid var(--ui1f-border);
  transition: color 0.2s;
}
.ui1f-menu-link:hover { color: var(--ui1f-primary); }

/* Main Content */
.ui1f-main {
  margin-top: 56px;
  padding-bottom: 2rem;
}
@media (max-width: 768px) {
  .ui1f-main { padding-bottom: 80px; }
}

/* Carousel */
.ui1f-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 0 0 var(--ui1f-radius-lg) var(--ui1f-radius-lg);
}
.ui1f-slide {
  display: none;
  cursor: pointer;
}
.ui1f-slide-active { display: block; }
.ui1f-slide img {
  width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
}
.ui1f-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}
.ui1f-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.3s;
}
.ui1f-dot-active { background: var(--ui1f-primary); }

/* Sections */
.ui1f-section {
  padding: 2rem 1.2rem;
}
.ui1f-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  color: var(--ui1f-primary);
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

/* Game Grid */
.ui1f-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.ui1f-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
}
.ui1f-game-item:hover { transform: scale(1.05); }
.ui1f-game-item img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--ui1f-radius);
  margin-bottom: 0.4rem;
}
.ui1f-game-name {
  font-size: 1.1rem;
  color: var(--ui1f-text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Category Label */
.ui1f-cat-label {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--ui1f-text);
  margin: 1.5rem 0 0.8rem;
  padding-left: 0.8rem;
  border-left: 3px solid var(--ui1f-primary);
}

/* Content Cards */
.ui1f-card {
  background: var(--ui1f-card-bg);
  border-radius: var(--ui1f-radius-lg);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  border: 1px solid var(--ui1f-border);
}
.ui1f-card h2, .ui1f-card h3 {
  color: var(--ui1f-primary);
  margin-bottom: 0.8rem;
}
.ui1f-card p {
  color: var(--ui1f-text-muted);
  margin-bottom: 0.8rem;
  font-size: 1.3rem;
  line-height: 1.6;
}

/* Promo Button */
.ui1f-promo-btn {
  display: inline-block;
  padding: 1rem 2.4rem;
  background: linear-gradient(135deg, var(--ui1f-primary), #FF8C00);
  color: var(--ui1f-bg-dark);
  font-size: 1.4rem;
  font-weight: 700;
  border-radius: var(--ui1f-radius-lg);
  cursor: pointer;
  border: none;
  text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.ui1f-promo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(255,179,71,0.4);
}

/* Promo Text Link */
.ui1f-promo-link {
  color: var(--ui1f-primary);
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
}
.ui1f-promo-link:hover { color: var(--ui1f-hover); }

/* Footer */
.ui1f-footer {
  background: var(--ui1f-bg-dark);
  padding: 2rem 1.2rem;
  border-top: 1px solid var(--ui1f-border);
}
.ui1f-footer-brand {
  font-size: 1.3rem;
  color: var(--ui1f-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}
.ui1f-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-bottom: 1.5rem;
}
.ui1f-footer-link {
  padding: 0.6rem 1.2rem;
  background: var(--ui1f-card-bg);
  border-radius: var(--ui1f-radius);
  color: var(--ui1f-text);
  font-size: 1.2rem;
  border: 1px solid var(--ui1f-border);
  cursor: pointer;
  transition: all 0.2s;
}
.ui1f-footer-link:hover {
  border-color: var(--ui1f-primary);
  color: var(--ui1f-primary);
}
.ui1f-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: var(--ui1f-text-muted);
  padding-top: 1rem;
  border-top: 1px solid var(--ui1f-border);
}

/* Bottom Nav */
.ui1f-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: var(--ui1f-bg-dark);
  border-top: 1px solid var(--ui1f-border);
  z-index: 1000;
  justify-content: space-around;
  align-items: center;
  padding: 0 0.5rem;
}
@media (max-width: 768px) {
  .ui1f-bottom-nav { display: flex; }
}
.ui1f-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  background: none;
  border: none;
  color: var(--ui1f-text-muted);
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s;
  gap: 2px;
}
.ui1f-bottom-nav-btn:hover,
.ui1f-nav-active {
  color: var(--ui1f-primary);
}
.ui1f-nav-active .ui1f-nav-icon {
  transform: scale(1.15);
}
.ui1f-nav-icon {
  font-size: 2.2rem;
  transition: transform 0.2s;
}
.ui1f-nav-label {
  font-size: 1rem;
  white-space: nowrap;
}

/* Utility Classes */
.ui1f-container { width: 100%; max-width: 430px; margin: 0 auto; }
.ui1f-wrapper { padding: 0 1.2rem; }
.ui1f-text-center { text-align: center; }
.ui1f-mb-1 { margin-bottom: 0.8rem; }
.ui1f-mb-2 { margin-bottom: 1.6rem; }
.ui1f-mt-1 { margin-top: 0.8rem; }
.ui1f-mt-2 { margin-top: 1.6rem; }

/* FAQ */
.ui1f-faq-item {
  margin-bottom: 1rem;
  padding: 1rem;
  background: var(--ui1f-card-bg);
  border-radius: var(--ui1f-radius);
  border-left: 3px solid var(--ui1f-primary);
}
.ui1f-faq-q {
  font-weight: 700;
  color: var(--ui1f-primary);
  margin-bottom: 0.5rem;
  font-size: 1.3rem;
}
.ui1f-faq-a {
  color: var(--ui1f-text-muted);
  font-size: 1.2rem;
  line-height: 1.5;
}

/* Feature List */
.ui1f-feature-list {
  list-style: none;
  padding: 0;
}
.ui1f-feature-list li {
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ui1f-border);
  color: var(--ui1f-text-muted);
  font-size: 1.3rem;
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}
.ui1f-feature-list li:last-child { border-bottom: none; }
.ui1f-feature-icon {
  color: var(--ui1f-primary);
  flex-shrink: 0;
}

/* Winner List */
.ui1f-winner-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--ui1f-border);
  font-size: 1.2rem;
}
.ui1f-winner-name { color: var(--ui1f-text); font-weight: 600; }
.ui1f-winner-game { color: var(--ui1f-text-muted); }
.ui1f-winner-amount { color: var(--ui1f-primary); font-weight: 700; }

/* Responsive adjustments */
@media (min-width: 769px) {
  .ui1f-hamburger { display: flex; }
  .ui1f-bottom-nav { display: none; }
  .ui1f-main { padding-bottom: 2rem; }
}

/* RTP Table */
.ui1f-rtp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.2rem;
}
.ui1f-rtp-table th {
  background: var(--ui1f-secondary);
  color: var(--ui1f-text);
  padding: 0.6rem;
  text-align: left;
  font-weight: 600;
}
.ui1f-rtp-table td {
  padding: 0.6rem;
  border-bottom: 1px solid var(--ui1f-border);
  color: var(--ui1f-text-muted);
}
.ui1f-rtp-table tr:hover td { background: rgba(255,179,71,0.05); }

/* Highlight Box */
.ui1f-highlight-box {
  background: linear-gradient(135deg, rgba(0,0,205,0.2), rgba(255,179,71,0.1));
  border: 1px solid var(--ui1f-primary);
  border-radius: var(--ui1f-radius-lg);
  padding: 1.5rem;
  margin: 1.2rem 0;
}