/**
 * JLJL3 Mobile Gaming Platform - Design Stylesheet
 * Class prefix: s1cb-
 * Version: 1.0.0
 * Mobile-first responsive design
 */

/* ===== Root Variables ===== */
:root {
  --s1cb-primary: #0F0F23;
  --s1cb-secondary: #3C3C3C;
  --s1cb-accent: #FAFAFA;
  --s1cb-text: #FAFAFA;
  --s1cb-text-muted: #B8B8B8;
  --s1cb-border: #2A2A2A;
  --s1cb-highlight: #4A9EFF;
  --s1cb-success: #00C853;
  --s1cb-warning: #FFAB00;
  --s1cb-danger: #FF1744;

  --s1cb-spacing-xs: 0.4rem;
  --s1cb-spacing-sm: 0.8rem;
  --s1cb-spacing-md: 1.2rem;
  --s1cb-spacing-lg: 2rem;
  --s1cb-spacing-xl: 3rem;

  --s1cb-radius-sm: 0.4rem;
  --s1cb-radius-md: 0.8rem;
  --s1cb-radius-lg: 1.2rem;

  --s1cb-shadow-sm: 0 0.2rem 0.8rem rgba(0, 0, 0, 0.3);
  --s1cb-shadow-md: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.4);
  --s1cb-shadow-lg: 0 0.8rem 2.4rem rgba(0, 0, 0, 0.5);

  --s1cb-transition: all 0.3s ease;
  --s1cb-header-height: 6.4rem;
  --s1cb-nav-height: 6rem;
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 1.6rem;
  line-height: 1.5;
  color: var(--s1cb-text);
  background-color: var(--s1cb-primary);
  min-height: 100vh;
  padding-bottom: var(--s1cb-nav-height);
}

body.s1cb-loaded {
  opacity: 1;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--s1cb-spacing-md);
  color: var(--s1cb-text);
}

h1 { font-size: 2.8rem; }
h2 { font-size: 2.4rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.8rem; }
h5 { font-size: 1.6rem; }
h6 { font-size: 1.4rem; }

p {
  margin-bottom: var(--s1cb-spacing-md);
  color: var(--s1cb-text-muted);
}

a {
  color: var(--s1cb-highlight);
  text-decoration: none;
  transition: var(--s1cb-transition);
}

a:hover {
  color: var(--s1cb-accent);
  text-decoration: underline;
}

/* ===== Layout ===== */
.s1cb-container {
  width: 100%;
  max-width: 43rem;
  margin: 0 auto;
  padding: 0 var(--s1cb-spacing-md);
}

.s1cb-wrapper {
  padding-top: var(--s1cb-header-height);
}

/* ===== Header ===== */
.s1cb-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--s1cb-header-height);
  background: linear-gradient(135deg, var(--s1cb-primary) 0%, var(--s1cb-secondary) 100%);
  box-shadow: var(--s1cb-shadow-md);
  z-index: 1000;
  display: flex;
  align-items: center;
  padding: 0 var(--s1cb-spacing-md);
}

.s1cb-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 43rem;
  margin: 0 auto;
}

.s1cb-logo {
  display: flex;
  align-items: center;
  gap: var(--s1cb-spacing-sm);
  font-size: 2rem;
  font-weight: 700;
  color: var(--s1cb-text);
  text-decoration: none;
}

.s1cb-logo-icon {
  width: 3.2rem;
  height: 3.2rem;
  object-fit: contain;
}

.s1cb-header-actions {
  display: flex;
  align-items: center;
  gap: var(--s1cb-spacing-sm);
}

.s1cb-btn {
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: var(--s1cb-radius-md);
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--s1cb-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s1cb-spacing-xs);
}

.s1cb-btn-primary {
  background: linear-gradient(135deg, var(--s1cb-highlight) 0%, #2979FF 100%);
  color: var(--s1cb-accent);
}

.s1cb-btn-primary:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 0.4rem 1.2rem rgba(74, 158, 255, 0.4);
  text-decoration: none;
}

.s1cb-btn-secondary {
  background: var(--s1cb-secondary);
  color: var(--s1cb-text);
  border: 0.2rem solid var(--s1cb-border);
}

.s1cb-btn-secondary:hover {
  background: var(--s1cb-primary);
  border-color: var(--s1cb-highlight);
  text-decoration: none;
}

.s1cb-menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.4rem;
  width: 3.2rem;
  height: 3.2rem;
  background: var(--s1cb-secondary);
  border: none;
  border-radius: var(--s1cb-radius-sm);
  cursor: pointer;
  padding: 0.6rem;
  transition: var(--s1cb-transition);
}

.s1cb-menu-toggle:hover {
  background: var(--s1cb-primary);
}

.s1cb-menu-toggle span {
  display: block;
  width: 100%;
  height: 0.3rem;
  background: var(--s1cb-text);
  border-radius: 0.2rem;
  transition: var(--s1cb-transition);
}

/* ===== Mobile Menu ===== */
.s1cb-mobile-menu {
  position: fixed;
  top: var(--s1cb-header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--s1cb-primary);
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 9998;
  overflow-y: auto;
  padding: var(--s1cb-spacing-md);
}

.s1cb-mobile-menu.s1cb-menu-open {
  transform: translateX(0);
}

.s1cb-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transition: var(--s1cb-transition);
  z-index: 9997;
}

.s1cb-menu-overlay.s1cb-overlay-active {
  opacity: 1;
  visibility: visible;
}

.s1cb-menu-nav {
  display: flex;
  flex-direction: column;
  gap: var(--s1cb-spacing-sm);
}

.s1cb-menu-link {
  display: flex;
  align-items: center;
  gap: var(--s1cb-spacing-sm);
  padding: var(--s1cb-spacing-md);
  background: var(--s1cb-secondary);
  border-radius: var(--s1cb-radius-md);
  color: var(--s1cb-text);
  font-size: 1.6rem;
  transition: var(--s1cb-transition);
}

.s1cb-menu-link:hover {
  background: var(--s1cb-highlight);
  color: var(--s1cb-accent);
  transform: translateX(0.4rem);
  text-decoration: none;
}

.s1cb-menu-link i {
  font-size: 2rem;
}

/* ===== Carousel ===== */
.s1cb-carousel {
  position: relative;
  width: 100%;
  height: 20rem;
  overflow: hidden;
  border-radius: var(--s1cb-radius-lg);
  margin-bottom: var(--s1cb-spacing-lg);
}

.s1cb-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.s1cb-carousel-slide.s1cb-slide-active {
  opacity: 1;
}

.s1cb-carousel-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.s1cb-carousel-dots {
  position: absolute;
  bottom: var(--s1cb-spacing-md);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--s1cb-spacing-sm);
  z-index: 10;
}

.s1cb-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(250, 250, 250, 0.5);
  cursor: pointer;
  transition: var(--s1cb-transition);
}

.s1cb-carousel-dot.s1cb-dot-active {
  background: var(--s1cb-highlight);
  transform: scale(1.2);
}

/* ===== Game Grid ===== */
.s1cb-game-section {
  margin-bottom: var(--s1cb-spacing-xl);
}

.s1cb-section-title {
  display: flex;
  align-items: center;
  gap: var(--s1cb-spacing-sm);
  margin-bottom: var(--s1cb-spacing-md);
  padding-bottom: var(--s1cb-spacing-sm);
  border-bottom: 0.2rem solid var(--s1cb-border);
}

.s1cb-section-title i {
  color: var(--s1cb-highlight);
}

.s1cb-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s1cb-spacing-sm);
}

.s1cb-game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s1cb-spacing-xs);
  cursor: pointer;
  transition: var(--s1cb-transition);
}

.s1cb-game-card:hover {
  transform: translateY(-0.4rem);
}

.s1cb-game-icon {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: var(--s1cb-radius-md);
  background: var(--s1cb-secondary);
}

.s1cb-game-name {
  font-size: 1rem;
  text-align: center;
  color: var(--s1cb-text);
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ===== Content Modules ===== */
.s1cb-section {
  margin-bottom: var(--s1cb-spacing-xl);
  padding: var(--s1cb-spacing-lg);
  background: var(--s1cb-secondary);
  border-radius: var(--s1cb-radius-lg);
  box-shadow: var(--s1cb-shadow-sm);
}

.s1cb-section-header {
  display: flex;
  align-items: center;
  gap: var(--s1cb-spacing-sm);
  margin-bottom: var(--s1cb-spacing-md);
  padding-bottom: var(--s1cb-spacing-sm);
  border-bottom: 0.2rem solid var(--s1cb-border);
}

.s1cb-section-header i {
  font-size: 2.4rem;
  color: var(--s1cb-highlight);
}

.s1cb-content {
  color: var(--s1cb-text-muted);
  line-height: 1.8;
}

.s1cb-content a {
  color: var(--s1cb-highlight);
  font-weight: 600;
}

.s1cb-content a:hover {
  color: var(--s1cb-accent);
}

.s1cb-list {
  list-style: none;
  padding: 0;
}

.s1cb-list li {
  position: relative;
  padding-left: var(--s1cb-spacing-lg);
  margin-bottom: var(--s1cb-spacing-sm);
  color: var(--s1cb-text-muted);
}

.s1cb-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  color: var(--s1cb-success);
}

.s1cb-highlight-box {
  padding: var(--s1cb-spacing-md);
  background: linear-gradient(135deg, var(--s1cb-highlight) 0%, #2979FF 100%);
  border-radius: var(--s1cb-radius-md);
  color: var(--s1cb-accent);
  font-weight: 600;
  text-align: center;
  margin: var(--s1cb-spacing-md) 0;
}

/* ===== Footer ===== */
.s1cb-footer {
  padding: var(--s1cb-spacing-lg) var(--s1cb-spacing-md);
  background: var(--s1cb-secondary);
  border-top: 0.2rem solid var(--s1cb-border);
  margin-top: var(--s1cb-spacing-xl);
}

.s1cb-footer-content {
  max-width: 43rem;
  margin: 0 auto;
}

.s1cb-footer-description {
  margin-bottom: var(--s1cb-spacing-md);
  color: var(--s1cb-text-muted);
  text-align: center;
}

.s1cb-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s1cb-spacing-sm);
  margin-bottom: var(--s1cb-spacing-md);
}

.s1cb-footer-link {
  padding: var(--s1cb-spacing-xs) var(--s1cb-spacing-sm);
  background: var(--s1cb-primary);
  border-radius: var(--s1cb-radius-sm);
  color: var(--s1cb-text);
  font-size: 1.4rem;
  transition: var(--s1cb-transition);
}

.s1cb-footer-link:hover {
  background: var(--s1cb-highlight);
  color: var(--s1cb-accent);
  text-decoration: none;
}

.s1cb-partners {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--s1cb-spacing-md);
  margin-bottom: var(--s1cb-spacing-md);
}

.s1cb-partner-logo {
  width: 6rem;
  height: 3rem;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.7;
  transition: var(--s1cb-transition);
}

.s1cb-partner-logo:hover {
  filter: grayscale(0%);
  opacity: 1;
}

.s1cb-copyright {
  text-align: center;
  color: var(--s1cb-text-muted);
  font-size: 1.2rem;
  padding-top: var(--s1cb-spacing-md);
  border-top: 0.2rem solid var(--s1cb-border);
}

/* ===== Bottom Navigation ===== */
.s1cb-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--s1cb-nav-height);
  background: linear-gradient(180deg, var(--s1cb-secondary) 0%, var(--s1cb-primary) 100%);
  border-top: 0.2rem solid var(--s1cb-border);
  box-shadow: 0 -0.4rem 1.2rem rgba(0, 0, 0, 0.3);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0 var(--s1cb-spacing-sm);
}

.s1cb-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  min-width: 6rem;
  min-height: 6rem;
  background: transparent;
  border: none;
  cursor: pointer;
  transition: var(--s1cb-transition);
  border-radius: var(--s1cb-radius-md);
  padding: var(--s1cb-spacing-xs);
}

.s1cb-nav-item:hover {
  background: rgba(74, 158, 255, 0.1);
  transform: scale(1.05);
}

.s1cb-nav-item:active {
  transform: scale(0.95);
}

.s1cb-nav-item.s1cb-active {
  color: var(--s1cb-highlight);
}

.s1cb-nav-icon {
  font-size: 2.4rem;
  line-height: 1;
  margin-bottom: 0.2rem;
}

.s1cb-nav-label {
  font-size: 1rem;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
}

/* ===== Responsive ===== */
@media (min-width: 769px) {
  body {
    padding-bottom: 0;
  }

  .s1cb-bottom-nav {
    display: none;
  }

  .s1cb-menu-toggle {
    display: none;
  }

  .s1cb-game-grid {
    grid-template-columns: repeat(8, 1fr);
  }

  .s1cb-carousel {
    height: 28rem;
  }
}

@media (max-width: 768px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 2rem; }
  h3 { font-size: 1.8rem; }

  .s1cb-game-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ===== Utility Classes ===== */
.s1cb-text-center { text-align: center; }
.s1cb-text-highlight { color: var(--s1cb-highlight); }
.s1cb-text-success { color: var(--s1cb-success); }
.s1cb-text-warning { color: var(--s1cb-warning); }
.s1cb-text-danger { color: var(--s1cb-danger); }

.s1cb-mt-sm { margin-top: var(--s1cb-spacing-sm); }
.s1cb-mt-md { margin-top: var(--s1cb-spacing-md); }
.s1cb-mt-lg { margin-top: var(--s1cb-spacing-lg); }

.s1cb-mb-sm { margin-bottom: var(--s1cb-spacing-sm); }
.s1cb-mb-md { margin-bottom: var(--s1cb-spacing-md); }
.s1cb-mb-lg { margin-bottom: var(--s1cb-spacing-lg); }