/**
 * 1111 JL - Core Stylesheet
 * CSS class prefix: sb83-
 * Color palette: #7B68EE, #008B8B, #9370DB, #D8BFD8, #ADB5BD, #0A0A0A
 * Mobile-first responsive design
 */

/* === CSS Variables === */
:root {
  --sb83-primary: #7B68EE;
  --sb83-secondary: #008B8B;
  --sb83-accent: #9370DB;
  --sb83-light-purple: #D8BFD8;
  --sb83-gray: #ADB5BD;
  --sb83-dark: #0A0A0A;
  --sb83-bg: #0A0A0A;
  --sb83-bg-card: #151525;
  --sb83-bg-deep: #080816;
  --sb83-text: #E8E8F0;
  --sb83-text-muted: #ADB5BD;
  --sb83-gradient-hero: linear-gradient(135deg, #0A0A0A 0%, #1a1040 50%, #0A0A0A 100%);
  --sb83-gradient-card: linear-gradient(145deg, #1a1040 0%, #151525 100%);
  --sb83-gradient-btn: linear-gradient(135deg, #7B68EE 0%, #9370DB 100%);
  --sb83-gradient-accent: linear-gradient(135deg, #008B8B 0%, #7B68EE 100%);
  --sb83-radius: 8px;
  --sb83-radius-lg: 16px;
  --sb83-shadow: 0 4px 20px rgba(123, 104, 238, 0.15);
  --sb83-shadow-hover: 0 8px 30px rgba(123, 104, 238, 0.3);
  --sb83-header-h: 56px;
  --sb83-bottom-nav-h: 62px;
  --sb83-font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

/* === Reset & Base === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--sb83-font);
  font-size: 1.4rem;
  line-height: 1.5rem;
  color: var(--sb83-text);
  background: var(--sb83-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--sb83-primary); text-decoration: none; }
a:hover { color: var(--sb83-accent); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* === Container === */
.sb83-container { max-width: 430px; margin: 0 auto; padding: 0 1.2rem; width: 100%; }

/* === Header === */
.sb83-header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--sb83-header-h);
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(123, 104, 238, 0.2);
  z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 1.2rem;
}
.sb83-logo {
  display: flex; align-items: center; gap: 0.8rem;
  cursor: pointer;
}
.sb83-logo img { width: 28px; height: 28px; border-radius: 4px; }
.sb83-logo-text {
  font-size: 1.8rem; font-weight: 800;
  background: var(--sb83-gradient-btn);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.02em;
}
.sb83-header-actions { display: flex; align-items: center; gap: 0.6rem; }
.sb83-btn-register, .sb83-btn-login {
  padding: 0.6rem 1.4rem; border-radius: var(--sb83-radius);
  font-size: 1.2rem; font-weight: 700; border: none; cursor: pointer;
  transition: all 0.25s ease; min-height: 36px;
}
.sb83-btn-register {
  background: var(--sb83-gradient-btn);
  color: #fff; box-shadow: 0 2px 10px rgba(123, 104, 238, 0.4);
}
.sb83-btn-register:hover { transform: translateY(-1px); box-shadow: 0 4px 16px rgba(123, 104, 238, 0.6); }
.sb83-btn-login {
  background: transparent; color: var(--sb83-primary);
  border: 1.5px solid var(--sb83-primary);
}
.sb83-btn-login:hover { background: rgba(123, 104, 238, 0.1); }
.sb83-menu-toggle {
  background: none; border: none; color: var(--sb83-text); font-size: 2rem;
  cursor: pointer; padding: 0.4rem; display: flex; align-items: center;
}

/* === Mobile Menu === */
.sb83-mobile-menu {
  position: fixed; top: 0; right: -280px; width: 280px; height: 100vh;
  background: var(--sb83-bg-deep); z-index: 9999;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 2rem 1.6rem; overflow-y: auto;
  border-left: 1px solid rgba(123, 104, 238, 0.15);
}
.sb83-mobile-menu.sb83-menu-active { right: 0; }
.sb83-menu-close {
  background: none; border: none; color: var(--sb83-text);
  font-size: 2.2rem; cursor: pointer; position: absolute; top: 1rem; right: 1rem;
}
.sb83-menu-links { margin-top: 3rem; }
.sb83-menu-links a {
  display: flex; align-items: center; gap: 1rem;
  padding: 1.2rem 0; color: var(--sb83-text); font-size: 1.4rem;
  border-bottom: 1px solid rgba(123, 104, 238, 0.1);
  transition: color 0.2s;
}
.sb83-menu-links a:hover { color: var(--sb83-primary); }
.sb83-menu-links .material-icons, .sb83-menu-links .fas, .sb83-menu-links .bi { font-size: 2rem; width: 2.4rem; text-align: center; }
.sb83-menu-overlay {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.6); z-index: 9998; opacity: 0;
  pointer-events: none; transition: opacity 0.35s ease;
}
.sb83-menu-overlay.sb83-overlay-active { opacity: 1; pointer-events: all; }

/* === Carousel === */
.sb83-carousel {
  position: relative; margin-top: var(--sb83-header-h);
  width: 100%; overflow: hidden; aspect-ratio: 430/200;
  background: var(--sb83-bg-deep);
}
.sb83-slides-wrapper { position: relative; width: 100%; height: 100%; }
.sb83-slide {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0; transition: opacity 0.6s ease; cursor: pointer;
}
.sb83-slide.sb83-slide-active { opacity: 1; }
.sb83-slide img { width: 100%; height: 100%; object-fit: cover; }
.sb83-dots {
  position: absolute; bottom: 0.8rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.6rem; z-index: 2;
}
.sb83-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.4); cursor: pointer;
  transition: all 0.3s ease; border: none;
}
.sb83-dot.sb83-dot-active { background: var(--sb83-primary); width: 20px; border-radius: 4px; }

/* === Section Titles === */
.sb83-section-title {
  font-size: 1.8rem; font-weight: 800; margin: 2rem 0 1.2rem;
  background: var(--sb83-gradient-btn);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sb83-section-subtitle {
  font-size: 1.3rem; color: var(--sb83-text-muted); margin-bottom: 1.2rem;
}

/* === Game Grid === */
.sb83-game-section { padding: 0.5rem 0; }
.sb83-game-category-title {
  font-size: 1.5rem; font-weight: 700; padding: 1rem 0 0.8rem;
  color: var(--sb83-accent); border-left: 3px solid var(--sb83-primary);
  padding-left: 1rem; margin: 0.5rem 0;
}
.sb83-game-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem; padding: 0.5rem 0;
}
.sb83-game-item {
  display: flex; flex-direction: column; align-items: center;
  background: var(--sb83-gradient-card); border-radius: var(--sb83-radius);
  padding: 0.6rem; cursor: pointer; transition: all 0.25s ease;
  border: 1px solid rgba(123, 104, 238, 0.1);
}
.sb83-game-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--sb83-shadow-hover);
  border-color: var(--sb83-primary);
}
.sb83-game-item img {
  width: 100%; aspect-ratio: 1; border-radius: 6px;
  margin-bottom: 0.4rem; object-fit: cover;
}
.sb83-game-name {
  font-size: 1rem; color: var(--sb83-text); text-align: center;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  width: 100%; line-height: 1.3;
}

/* === Content Sections === */
.sb83-content-section {
  padding: 1.5rem 0; border-bottom: 1px solid rgba(123, 104, 238, 0.08);
}
.sb83-content-section h2 {
  font-size: 1.7rem; font-weight: 700; margin-bottom: 1rem;
  color: var(--sb83-primary);
}
.sb83-content-section h3 {
  font-size: 1.4rem; font-weight: 600; margin: 1rem 0 0.5rem;
  color: var(--sb83-accent);
}
.sb83-content-section p {
  font-size: 1.3rem; line-height: 1.8; color: var(--sb83-text-muted);
  margin-bottom: 0.8rem;
}
.sb83-content-section ul {
  padding-left: 1.6rem; margin-bottom: 1rem;
}
.sb83-content-section li {
  font-size: 1.3rem; line-height: 1.7; color: var(--sb83-text-muted);
  list-style: disc; margin-bottom: 0.4rem;
}
.sb83-promo-text {
  color: var(--sb83-primary); font-weight: 700; cursor: pointer;
  transition: color 0.2s;
}
.sb83-promo-text:hover { color: var(--sb83-accent); text-decoration: underline; }

/* === Cards & Feature Boxes === */
.sb83-card {
  background: var(--sb83-gradient-card); border-radius: var(--sb83-radius-lg);
  padding: 1.6rem; margin-bottom: 1.2rem; border: 1px solid rgba(123, 104, 238, 0.12);
}
.sb83-card h3 { font-size: 1.5rem; color: var(--sb83-primary); margin-bottom: 0.8rem; }
.sb83-card p { font-size: 1.3rem; color: var(--sb83-text-muted); line-height: 1.7; }

/* === Promo Buttons === */
.sb83-promo-btn {
  display: inline-block; padding: 1rem 2.4rem; border-radius: var(--sb83-radius);
  background: var(--sb83-gradient-btn); color: #fff;
  font-size: 1.4rem; font-weight: 700; border: none; cursor: pointer;
  transition: all 0.25s ease; text-align: center;
  box-shadow: 0 3px 12px rgba(123, 104, 238, 0.35);
}
.sb83-promo-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(123, 104, 238, 0.5);
}
.sb83-promo-btn-outline {
  display: inline-block; padding: 0.8rem 2rem; border-radius: var(--sb83-radius);
  background: transparent; color: var(--sb83-primary);
  font-size: 1.3rem; font-weight: 600; border: 1.5px solid var(--sb83-primary);
  cursor: pointer; transition: all 0.25s ease;
}
.sb83-promo-btn-outline:hover { background: rgba(123, 104, 238, 0.1); }

/* === Winner Showcase === */
.sb83-winner-item {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.8rem; background: var(--sb83-bg-card);
  border-radius: var(--sb83-radius); margin-bottom: 0.6rem;
  border-left: 3px solid var(--sb83-secondary);
}
.sb83-winner-name { font-weight: 700; font-size: 1.2rem; color: var(--sb83-text); }
.sb83-winner-game { font-size: 1.1rem; color: var(--sb83-text-muted); }
.sb83-winner-amount { font-size: 1.3rem; font-weight: 800; color: #FFD700; }

/* === Testimonial === */
.sb83-testimonial {
  background: var(--sb83-gradient-card); border-radius: var(--sb83-radius-lg);
  padding: 1.4rem; margin-bottom: 1rem; border: 1px solid rgba(0, 139, 139, 0.15);
}
.sb83-testimonial-text { font-size: 1.2rem; color: var(--sb83-text-muted); line-height: 1.6; font-style: italic; }
.sb83-testimonial-author { font-size: 1.1rem; color: var(--sb83-secondary); margin-top: 0.6rem; font-weight: 600; }

/* === Payment Methods === */
.sb83-payment-grid {
  display: flex; flex-wrap: wrap; gap: 0.8rem; justify-content: center;
  padding: 1rem 0;
}
.sb83-payment-item {
  background: var(--sb83-bg-card); padding: 0.8rem 1.4rem;
  border-radius: var(--sb83-radius); font-size: 1.2rem;
  color: var(--sb83-text-muted); border: 1px solid rgba(123, 104, 238, 0.1);
}

/* === Footer === */
.sb83-footer {
  background: var(--sb83-bg-deep); padding: 2.5rem 0 1.5rem;
  border-top: 1px solid rgba(123, 104, 238, 0.12);
  margin-top: 2rem;
}
.sb83-footer-brand { text-align: center; margin-bottom: 1.5rem; }
.sb83-footer-brand-name {
  font-size: 2rem; font-weight: 800;
  background: var(--sb83-gradient-btn);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sb83-footer-desc { font-size: 1.2rem; color: var(--sb83-text-muted); margin-top: 0.6rem; line-height: 1.6; }
.sb83-footer-links {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem 1.2rem;
  padding: 1.2rem 0;
}
.sb83-footer-links a {
  font-size: 1.2rem; color: var(--sb83-text-muted);
  transition: color 0.2s;
}
.sb83-footer-links a:hover { color: var(--sb83-primary); }
.sb83-footer-promo-btns {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem;
  padding: 1rem 0;
}
.sb83-footer-promo-btns button {
  padding: 0.6rem 1.2rem; border-radius: var(--sb83-radius);
  background: var(--sb83-gradient-btn); color: #fff;
  font-size: 1.1rem; font-weight: 600; border: none; cursor: pointer;
  transition: all 0.2s;
}
.sb83-footer-promo-btns button:hover { transform: scale(1.05); }
.sb83-footer-partners {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem;
  padding: 1.2rem 0; border-top: 1px solid rgba(123, 104, 238, 0.08);
}
.sb83-footer-partners span {
  font-size: 1rem; color: var(--sb83-gray); padding: 0.4rem 0.8rem;
  background: rgba(123, 104, 238, 0.05); border-radius: 4px;
}
.sb83-footer-copyright {
  text-align: center; font-size: 1.1rem; color: var(--sb83-gray);
  padding-top: 1rem; border-top: 1px solid rgba(123, 104, 238, 0.08);
}

/* === Bottom Navigation === */
.sb83-bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--sb83-bottom-nav-h);
  background: rgba(10, 10, 10, 0.97);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-top: 1px solid rgba(123, 104, 238, 0.2);
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; padding: 0 0.4rem;
}
.sb83-bottom-nav-btn {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; min-width: 60px; min-height: 56px;
  background: none; border: none; cursor: pointer;
  color: var(--sb83-gray); transition: all 0.25s ease;
  padding: 0.4rem 0.2rem; border-radius: 8px;
}
.sb83-bottom-nav-btn:hover { color: var(--sb83-primary); background: rgba(123, 104, 238, 0.08); }
.sb83-bottom-nav-btn.active { color: var(--sb83-primary); }
.sb83-bottom-nav-btn .material-icons,
.sb83-bottom-nav-btn .fas,
.sb83-bottom-nav-btn .far,
.sb83-bottom-nav-btn .bi,
.sb83-bottom-nav-btn ion-icon {
  font-size: 2.2rem; margin-bottom: 0.2rem;
}
.sb83-bottom-nav-label { font-size: 1rem; font-weight: 500; }

/* === Main Content Padding === */
main.sb83-main { padding-top: var(--sb83-header-h); }

/* === Responsive === */
@media (min-width: 769px) {
  .sb83-container { max-width: 768px; }
  .sb83-game-grid { grid-template-columns: repeat(6, 1fr); }
  .sb83-bottom-nav { display: none; }
  .sb83-menu-toggle { display: none; }
}
@media (max-width: 768px) {
  .sb83-main-with-bottom-nav { padding-bottom: calc(var(--sb83-bottom-nav-h) + 16px); }
}

/* === Utility === */
.sb83-text-center { text-align: center; }
.sb83-mt-1 { margin-top: 0.8rem; }
.sb83-mt-2 { margin-top: 1.6rem; }
.sb83-mb-1 { margin-bottom: 0.8rem; }
.sb83-mb-2 { margin-bottom: 1.6rem; }
.sb83-flex-center { display: flex; align-items: center; justify-content: center; }
.sb83-gap-1 { gap: 0.8rem; }

/* === FAQ Accordion === */
.sb83-faq-item { margin-bottom: 0.8rem; }
.sb83-faq-q {
  font-size: 1.3rem; font-weight: 600; color: var(--sb83-primary);
  padding: 0.8rem; background: var(--sb83-bg-card); border-radius: var(--sb83-radius);
  cursor: pointer;
}
.sb83-faq-a {
  font-size: 1.2rem; color: var(--sb83-text-muted); padding: 0.8rem;
  line-height: 1.7;
}

/* === RTP Table === */
.sb83-rtp-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.sb83-rtp-table th {
  background: var(--sb83-bg-card); color: var(--sb83-primary);
  padding: 0.8rem; font-size: 1.2rem; text-align: left;
  border-bottom: 2px solid var(--sb83-primary);
}
.sb83-rtp-table td {
  padding: 0.6rem 0.8rem; font-size: 1.1rem; color: var(--sb83-text-muted);
  border-bottom: 1px solid rgba(123, 104, 238, 0.08);
}
.sb83-rtp-high { color: #00E676; font-weight: 700; }
.sb83-rtp-mid { color: #FFD700; font-weight: 600; }