/**
 * JiliBet Site Stylesheet
 * Class prefix: sb4b-
 * All classes use dynamic prefix for namespace isolation
 */

/* ============================================
   CSS Variables - Color Palette
============================================ */
:root {
  --sb4b-color-cream: #FFF8DC;
  --sb4b-color-dark: #0F0F23;
  --sb4b-color-gray: #D3D3D3;
  --sb4b-color-purple: #9400D3;
  --sb4b-color-lavender: #E6E6FA;
  --sb4b-color-orchid: #DA70D6;
  --sb4b-color-white: #FFFFFF;
  --sb4b-color-black: #000000;

  --sb4b-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --sb4b-transition: all 0.3s ease;
  --sb4b-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --sb4b-shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Reset & Base Styles
============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--sb4b-font-primary);
  background-color: var(--sb4b-color-dark);
  color: var(--sb4b-color-cream);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ============================================
   Header & Navigation
============================================ */
.sb4b-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--sb4b-color-purple) 0%, var(--sb4b-color-dark) 100%);
  padding: 15px 20px;
  z-index: 1000;
  box-shadow: var(--sb4b-shadow-lg);
  transition: var(--sb4b-transition);
}

.sb4b-header.sb4b-scrolled {
  background: rgba(15, 15, 35, 0.98);
  padding: 10px 20px;
}

.sb4b-header-container {
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.sb4b-logo {
  font-size: 24px;
  font-weight: 800;
  color: var(--sb4b-color-orchid);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.sb4b-header-buttons {
  display: flex;
  gap: 10px;
  align-items: center;
}

.sb4b-btn-header {
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--sb4b-transition);
  text-transform: uppercase;
}

.sb4b-btn-register {
  background: linear-gradient(135deg, var(--sb4b-color-orchid) 0%, var(--sb4b-color-purple) 100%);
  color: var(--sb4b-color-white);
}

.sb4b-btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(218, 112, 214, 0.4);
}

.sb4b-btn-login {
  background: transparent;
  color: var(--sb4b-color-white);
  border: 2px solid var(--sb4b-color-orchid);
}

.sb4b-btn-login:hover {
  background: var(--sb4b-color-orchid);
  color: var(--sb4b-color-white);
}

.sb4b-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--sb4b-color-white);
  font-size: 24px;
  cursor: pointer;
  padding: 5px;
}

/* ============================================
   Mobile Menu
============================================ */
.sb4b-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background: linear-gradient(180deg, var(--sb4b-color-dark) 0%, #1a1a3e 100%);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 80px 20px 20px;
  overflow-y: auto;
  box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
}

.sb4b-mobile-menu.sb4b-active {
  right: 0;
}

.sb4b-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  display: none;
}

.sb4b-mobile-menu.sb4b-active + .sb4b-menu-overlay {
  display: block;
}

.sb4b-menu-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: var(--sb4b-color-white);
  font-size: 28px;
  cursor: pointer;
}

.sb4b-menu-nav {
  list-style: none;
}

.sb4b-menu-nav li {
  margin-bottom: 5px;
}

.sb4b-menu-nav a {
  display: block;
  padding: 15px 10px;
  color: var(--sb4b-color-cream);
  text-decoration: none;
  font-size: 16px;
  border-bottom: 1px solid rgba(218, 112, 214, 0.2);
  transition: var(--sb4b-transition);
}

.sb4b-menu-nav a:hover {
  background: rgba(218, 112, 214, 0.1);
  color: var(--sb4b-color-orchid);
  padding-left: 20px;
}

/* ============================================
   Main Content
============================================ */
.sb4b-main {
  margin-top: 70px;
  min-height: calc(100vh - 200px);
}

@media (max-width: 768px) {
  .sb4b-main {
    padding-bottom: 80px;
  }
}

/* ============================================
   Hero Banner
============================================ */
.sb4b-hero {
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.sb4b-hero-banner {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0 0 20px 20px;
}

.sb4b-hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(15, 15, 35, 0.9));
  padding: 40px 20px 20px;
}

.sb4b-hero-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--sb4b-color-white);
  margin-bottom: 10px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.sb4b-hero-subtitle {
  font-size: 18px;
  color: var(--sb4b-color-orchid);
  margin-bottom: 15px;
}

.sb4b-btn-cta {
  display: inline-block;
  padding: 12px 30px;
  background: linear-gradient(135deg, var(--sb4b-color-orchid) 0%, var(--sb4b-color-purple) 100%);
  color: var(--sb4b-color-white);
  text-decoration: none;
  border-radius: 25px;
  font-weight: 700;
  font-size: 16px;
  text-transform: uppercase;
  transition: var(--sb4b-transition);
  box-shadow: var(--sb4b-shadow-lg);
}

.sb4b-btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(218, 112, 214, 0.5);
}

/* ============================================
   Section Styles
============================================ */
.sb4b-section {
  max-width: 430px;
  margin: 0 auto;
  padding: 40px 20px;
}

.sb4b-section-title {
  font-size: 28px;
  font-weight: 800;
  color: var(--sb4b-color-orchid);
  text-align: center;
  margin-bottom: 30px;
  position: relative;
  padding-bottom: 15px;
}

.sb4b-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--sb4b-color-orchid), var(--sb4b-color-purple));
}

/* ============================================
   Game Cards Grid
============================================ */
.sb4b-games-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}

.sb4b-game-card {
  background: linear-gradient(145deg, rgba(148, 0, 211, 0.1) 0%, rgba(15, 15, 35, 0.3) 100%);
  border-radius: 15px;
  overflow: hidden;
  transition: var(--sb4b-transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.sb4b-game-card:hover {
  transform: translateY(-5px);
  border-color: var(--sb4b-color-orchid);
  box-shadow: 0 8px 20px rgba(218, 112, 214, 0.3);
}

.sb4b-game-image {
  width: 100%;
  height: 120px;
  object-fit: cover;
  display: block;
}

.sb4b-game-info {
  padding: 12px;
}

.sb4b-game-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--sb4b-color-white);
  margin-bottom: 5px;
}

.sb4b-game-category {
  font-size: 12px;
  color: var(--sb4b-color-orchid);
  text-transform: uppercase;
}

/* ============================================
   Feature Cards
============================================ */
.sb4b-features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.sb4b-feature-card {
  background: linear-gradient(145deg, rgba(230, 230, 250, 0.1) 0%, rgba(15, 15, 35, 0.3) 100%);
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  border: 1px solid rgba(218, 112, 214, 0.2);
  transition: var(--sb4b-transition);
}

.sb4b-feature-card:hover {
  border-color: var(--sb4b-color-orchid);
  transform: scale(1.02);
}

.sb4b-feature-icon {
  font-size: 40px;
  color: var(--sb4b-color-orchid);
  margin-bottom: 15px;
}

.sb4b-feature-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--sb4b-color-white);
  margin-bottom: 10px;
}

.sb4b-feature-desc {
  font-size: 14px;
  color: var(--sb4b-color-gray);
  line-height: 1.6;
}

/* ============================================
   Content Styling
============================================ */
.sb4b-content {
  color: var(--sb4b-color-gray);
  line-height: 1.8;
}

.sb4b-content p {
  margin-bottom: 15px;
}

.sb4b-content h2 {
  font-size: 24px;
  color: var(--sb4b-color-orchid);
  margin: 25px 0 15px;
}

.sb4b-content h3 {
  font-size: 20px;
  color: var(--sb4b-color-lavender);
  margin: 20px 0 10px;
}

.sb4b-content ul, .sb4b-content ol {
  margin: 15px 0;
  padding-left: 25px;
}

.sb4b-content li {
  margin-bottom: 10px;
}

.sb4b-content a {
  color: var(--sb4b-color-orchid);
  text-decoration: none;
  font-weight: 600;
}

.sb4b-content a:hover {
  text-decoration: underline;
}

/* ============================================
   Partner Logos
============================================ */
.sb4b-partners {
  background: rgba(230, 230, 250, 0.05);
  padding: 30px 20px;
  text-align: center;
}

.sb4b-partners-title {
  font-size: 16px;
  color: var(--sb4b-color-orchid);
  margin-bottom: 20px;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.sb4b-partners-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  max-width: 430px;
  margin: 0 auto;
}

.sb4b-partner-logo {
  width: 60px;
  height: 60px;
  object-fit: contain;
  filter: grayscale(100%) brightness(200%);
  opacity: 0.7;
  transition: var(--sb4b-transition);
}

.sb4b-partner-logo:hover {
  filter: grayscale(0%) brightness(100%);
  opacity: 1;
}

/* ============================================
   Footer
============================================ */
.sb4b-footer {
  background: linear-gradient(180deg, var(--sb4b-color-dark) 0%, #0a0a1a 100%);
  padding: 40px 20px 100px;
  text-align: center;
  border-top: 1px solid rgba(218, 112, 214, 0.2);
}

.sb4b-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.sb4b-footer-link {
  color: var(--sb4b-color-gray);
  text-decoration: none;
  font-size: 14px;
  transition: var(--sb4b-transition);
}

.sb4b-footer-link:hover {
  color: var(--sb4b-color-orchid);
}

.sb4b-footer-text {
  color: var(--sb4b-color-gray);
  font-size: 12px;
  line-height: 1.6;
}

/* ============================================
   Mobile Bottom Navigation
============================================ */
.sb4b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, rgba(15, 15, 35, 0.98) 0%, var(--sb4b-color-dark) 100%);
  border-top: 2px solid var(--sb4b-color-orchid);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 64px;
  z-index: 1000;
  box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
}

.sb4b-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--sb4b-transition);
  text-decoration: none;
  color: var(--sb4b-color-gray);
  padding: 8px;
  border-radius: 10px;
}

.sb4b-nav-item:hover {
  background: rgba(218, 112, 214, 0.1);
  transform: translateY(-2px);
}

.sb4b-nav-item.sb4b-active {
  color: var(--sb4b-color-orchid);
}

.sb4b-nav-icon {
  font-size: 24px;
  margin-bottom: 4px;
}

.sb4b-nav-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .sb4b-bottom-nav {
    display: none;
  }

  .sb4b-main {
    padding-bottom: 0;
  }
}

/* ============================================
   Responsive Adjustments
============================================ */
@media (max-width: 768px) {
  .sb4b-menu-toggle {
    display: block;
  }
}

@media (min-width: 769px) {
  .sb4b-header-container {
    max-width: 1200px;
  }

  .sb4b-section {
    max-width: 1200px;
  }

  .sb4b-games-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .sb4b-features-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .sb4b-partners-grid {
    max-width: 1200px;
  }
}

/* ============================================
   Utility Classes
============================================ */
.sb4b-text-center {
  text-align: center;
}

.sb4b-mt-20 {
  margin-top: 20px;
}

.sb4b-mb-20 {
  margin-bottom: 20px;
}

.sb4b-hidden {
  display: none;
}