/**
 * Fair Play App - Main Stylesheet
 * All classes use "ui1b-" prefix for namespace isolation
 * Color palette: #F8F9FA | #2C2C2C | #9966CC | #9370DB | #7B68EE
 */

/* === CSS Variables === */
:root {
  --ui1b-primary: #9966CC;
  --ui1b-secondary: #9370DB;
  --ui1b-accent: #7B68EE;
  --ui1b-bg-dark: #2C2C2C;
  --ui1b-bg-light: #F8F9FA;
  --ui1b-text-light: #F8F9FA;
  --ui1b-text-dark: #2C2C2C;
  --ui1b-gradient: linear-gradient(135deg, #9966CC 0%, #7B68EE 100%);
  --ui1b-radius: 10px;
  --ui1b-shadow: 0 4px 15px rgba(0,0,0,0.15);
  --ui1b-transition: all 0.3s ease;
  --font-base: 62.5%;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: var(--font-base); scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.5rem;
  line-height: 1.6;
  color: var(--ui1b-text-dark);
  background: var(--ui1b-bg-light);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* === Header === */
.ui1b-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui1b-bg-dark);
  border-bottom: 2px solid var(--ui1b-primary);
  height: 56px;
}
.ui1b-header-inner {
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: 56px;
}
.ui1b-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.ui1b-logo img {
  width: 28px;
  height: 28px;
}
.ui1b-logo-text {
  color: var(--ui1b-text-light);
  font-size: 1.4rem;
  font-weight: 700;
  white-space: nowrap;
}
.ui1b-header-btns {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}
.ui1b-btn-register, .ui1b-btn-login {
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--ui1b-transition);
  white-space: nowrap;
}
.ui1b-btn-register {
  background: var(--ui1b-gradient);
  color: #fff;
}
.ui1b-btn-register:hover { opacity: 0.9; transform: scale(1.03); }
.ui1b-btn-login {
  background: transparent;
  color: var(--ui1b-primary);
  border: 1.5px solid var(--ui1b-primary);
}
.ui1b-btn-login:hover { background: var(--ui1b-primary); color: #fff; }
.ui1b-menu-toggle {
  background: none;
  border: none;
  color: var(--ui1b-text-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* === Mobile Menu === */
.ui1b-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--ui1b-transition);
}
.ui1b-overlay-active { opacity: 1; visibility: visible; }
.ui1b-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--ui1b-bg-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 20px;
  overflow-y: auto;
}
.ui1b-menu-active { right: 0; }
.ui1b-menu-close {
  background: none;
  border: none;
  color: var(--ui1b-text-light);
  font-size: 2.2rem;
  cursor: pointer;
  float: right;
  margin-bottom: 20px;
}
.ui1b-menu-links {
  clear: both;
  padding-top: 10px;
}
.ui1b-menu-links a {
  display: block;
  padding: 12px 0;
  color: var(--ui1b-text-light);
  font-size: 1.4rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: var(--ui1b-transition);
}
.ui1b-menu-links a:hover { color: var(--ui1b-primary); padding-left: 8px; }

/* === Slider / Carousel === */
.ui1b-slider {
  position: relative;
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  overflow: hidden;
  border-radius: 0 0 12px 12px;
  aspect-ratio: 430/220;
}
.ui1b-slide {
  display: none;
  width: 100%;
  height: 100%;
}
.ui1b-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ui1b-slide-active { display: block; }
.ui1b-slider-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
}
.ui1b-slide-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.5);
  cursor: pointer;
  transition: var(--ui1b-transition);
}
.ui1b-dot-active { background: #fff; transform: scale(1.3); }

/* === Main Content === */
.ui1b-main {
  max-width: 430px;
  margin: 0 auto;
  padding: 60px 12px 80px;
}
@media (max-width: 768px) {
  .ui1b-main { padding-bottom: 80px; }
}

/* === Section Titles === */
.ui1b-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--ui1b-bg-dark);
  margin: 20px 0 12px;
  padding-left: 12px;
  border-left: 4px solid var(--ui1b-primary);
  line-height: 1.3;
}
.ui1b-section-title span {
  color: var(--ui1b-primary);
}

/* === Category Tabs === */
.ui1b-cat-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 8px 0 12px;
  -webkit-overflow-scrolling: touch;
}
.ui1b-cat-tab {
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  border: 1.5px solid var(--ui1b-primary);
  background: transparent;
  color: var(--ui1b-primary);
  transition: var(--ui1b-transition);
}
.ui1b-cat-active, .ui1b-cat-tab:hover {
  background: var(--ui1b-gradient);
  color: #fff;
  border-color: transparent;
}

/* === Game Grid === */
.ui1b-game-section { margin-bottom: 20px; }
.ui1b-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.ui1b-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: var(--ui1b-transition);
  border-radius: 8px;
  padding: 6px;
}
.ui1b-game-item:hover {
  background: rgba(153,102,204,0.08);
  transform: translateY(-2px);
}
.ui1b-game-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  margin-bottom: 4px;
  border: 2px solid rgba(153,102,204,0.2);
}
.ui1b-game-name {
  font-size: 1rem;
  text-align: center;
  color: var(--ui1b-text-dark);
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 72px;
}

/* === Content Cards === */
.ui1b-card {
  background: #fff;
  border-radius: var(--ui1b-radius);
  box-shadow: var(--ui1b-shadow);
  padding: 16px;
  margin-bottom: 16px;
}
.ui1b-card-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ui1b-bg-dark);
  margin-bottom: 8px;
}
.ui1b-card-text {
  font-size: 1.3rem;
  color: #555;
  line-height: 1.6;
}

/* === Promo Buttons === */
.ui1b-promo-btn {
  display: inline-block;
  padding: 10px 24px;
  background: var(--ui1b-gradient);
  color: #fff;
  border-radius: 25px;
  font-size: 1.3rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--ui1b-transition);
  text-align: center;
}
.ui1b-promo-btn:hover {
  opacity: 0.9;
  transform: scale(1.05);
  box-shadow: 0 4px 20px rgba(123,104,238,0.4);
}

/* === Text Links === */
.ui1b-text-link {
  color: var(--ui1b-primary);
  font-weight: 600;
  border-bottom: 1px dashed var(--ui1b-primary);
  transition: var(--ui1b-transition);
}
.ui1b-text-link:hover {
  color: var(--ui1b-accent);
  border-bottom-style: solid;
}

/* === Feature Grid === */
.ui1b-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 12px 0;
}
.ui1b-feature-item {
  background: #fff;
  border-radius: var(--ui1b-radius);
  padding: 14px;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: var(--ui1b-transition);
}
.ui1b-feature-item:hover { transform: translateY(-3px); box-shadow: var(--ui1b-shadow); }
.ui1b-feature-icon {
  font-size: 2.4rem;
  color: var(--ui1b-primary);
  margin-bottom: 8px;
}
.ui1b-feature-label {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ui1b-bg-dark);
}

/* === Testimonials === */
.ui1b-testimonial {
  background: #fff;
  border-radius: var(--ui1b-radius);
  padding: 14px;
  margin-bottom: 12px;
  border-left: 3px solid var(--ui1b-primary);
}
.ui1b-testimonial-name {
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ui1b-primary);
}
.ui1b-testimonial-text {
  font-size: 1.2rem;
  color: #666;
  margin-top: 4px;
  font-style: italic;
}

/* === Payment Methods === */
.ui1b-payment-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin: 12px 0;
}
.ui1b-payment-item {
  background: #fff;
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--ui1b-bg-dark);
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}

/* === Winners Showcase === */
.ui1b-winner-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  background: #fff;
  border-radius: 8px;
  margin-bottom: 8px;
}
.ui1b-winner-game {
  font-weight: 600;
  color: var(--ui1b-primary);
}
.ui1b-winner-amount {
  margin-left: auto;
  font-weight: 700;
  color: #e74c3c;
}

/* === Footer === */
.ui1b-footer {
  background: var(--ui1b-bg-dark);
  color: var(--ui1b-text-light);
  padding: 24px 12px 80px;
  max-width: 430px;
  margin: 0 auto;
}
.ui1b-footer-desc {
  font-size: 1.2rem;
  color: #aaa;
  margin-bottom: 16px;
  line-height: 1.5;
}
.ui1b-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.ui1b-footer-link {
  padding: 6px 12px;
  background: rgba(153,102,204,0.2);
  color: var(--ui1b-text-light);
  border-radius: 6px;
  font-size: 1.1rem;
  transition: var(--ui1b-transition);
}
.ui1b-footer-link:hover { background: var(--ui1b-primary); }
.ui1b-footer-copyright {
  text-align: center;
  font-size: 1.1rem;
  color: #888;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.1);
}

/* === Bottom Navigation === */
.ui1b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--ui1b-bg-dark);
  border-top: 2px solid var(--ui1b-primary);
  height: 60px;
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 4px;
}
@media (min-width: 769px) {
  .ui1b-bottom-nav { display: none; }
}
.ui1b-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 52px;
  background: none;
  border: none;
  color: #aaa;
  cursor: pointer;
  transition: var(--ui1b-transition);
  gap: 2px;
  border-radius: 8px;
}
.ui1b-bottom-nav-btn:hover,
.ui1b-nav-active {
  color: var(--ui1b-primary);
}
.ui1b-bottom-nav-btn:active {
  transform: scale(0.92);
}
.ui1b-nav-touch {
  background: rgba(153,102,204,0.15);
}
.ui1b-bottom-nav-icon {
  font-size: 22px;
  line-height: 1;
}
.ui1b-bottom-nav-label {
  font-size: 1rem;
  line-height: 1;
  font-weight: 500;
}

/* === Back to Top === */
.ui1b-back-top {
  position: fixed;
  bottom: 70px;
  right: 16px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--ui1b-gradient);
  color: #fff;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: var(--ui1b-shadow);
  transition: var(--ui1b-transition);
}
.ui1b-back-top:hover { transform: scale(1.1); }

/* === H Tags === */
.ui1b-h1 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--ui1b-bg-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}
.ui1b-h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ui1b-bg-dark);
  margin: 18px 0 10px;
  line-height: 1.3;
}
.ui1b-h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ui1b-bg-dark);
  margin: 14px 0 8px;
}

/* === Paragraph === */
.ui1b-p {
  font-size: 1.3rem;
  color: #555;
  line-height: 1.6;
  margin-bottom: 10px;
}

/* === Utility Classes === */
.ui1b-text-center { text-align: center; }
.ui1b-mt-10 { margin-top: 10px; }
.ui1b-mb-10 { margin-bottom: 10px; }
.ui1b-mt-20 { margin-top: 20px; }
.ui1b-mb-20 { margin-bottom: 20px; }
.ui1b-container { max-width: 430px; margin: 0 auto; padding: 0 12px; }
.ui1b-wrapper { padding: 12px; }

/* === Help Page Styles === */
.ui1b-help-section {
  background: #fff;
  border-radius: var(--ui1b-radius);
  padding: 16px;
  margin-bottom: 14px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.ui1b-help-section h2 {
  font-size: 1.6rem;
  color: var(--ui1b-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid rgba(153,102,204,0.2);
}
.ui1b-help-section p, .ui1b-help-section li {
  font-size: 1.3rem;
  color: #444;
  line-height: 1.7;
  margin-bottom: 8px;
}
.ui1b-help-section ol {
  padding-left: 20px;
  list-style: decimal;
}
.ui1b-help-section ul {
  padding-left: 20px;
  list-style: disc;
}
.ui1b-faq-item {
  margin-bottom: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid #eee;
}
.ui1b-faq-q {
  font-weight: 700;
  color: var(--ui1b-bg-dark);
  font-size: 1.4rem;
  margin-bottom: 4px;
}
.ui1b-faq-a {
  color: #555;
  font-size: 1.2rem;
  line-height: 1.6;
}

/* === Responsive Tweaks === */
@media (max-width: 390px) {
  .ui1b-header-inner { padding: 0 8px; }
  .ui1b-logo-text { font-size: 1.2rem; }
  .ui1b-btn-register, .ui1b-btn-login { padding: 5px 10px; font-size: 1.1rem; }
  .ui1b-game-grid { grid-template-columns: repeat(3, 1fr); }
  .ui1b-game-icon { width: 56px; height: 56px; }
  .ui1b-main { padding: 56px 8px 80px; }
}
@media (min-width: 769px) {
  .ui1b-footer { padding-bottom: 24px; }
  .ui1b-menu-toggle { display: none; }
}