/* CSS Layout for kkkkph777 with prefix sf13- */
/* Root variables and base styles */
:root {
  --sf13-primary: #26A69A;
  --sf13-secondary: #DEE2E6;
  --sf13-dark: #262626;
  --sf13-bg: #1a1a1a;
  --sf13-text: #f0f0f0;
  --sf13-text-secondary: #b0b0b0;
  --sf13-accent: #4DB6AC;
  --sf13-warning: #FFA726;
  --sf13-error: #EF5350;
  --sf13-success: #66BB6A;
  --sf13-border: #333333;
  --sf13-shadow: rgba(0, 0, 0, 0.3);
  --sf13-radius: 8px;
  --sf13-transition: all 0.3s ease;
}

/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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(--sf13-text);
  background-color: var(--sf13-bg);
  overflow-x: hidden;
}

/* Container and wrapper */
.sf13-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sf13-wrapper {
  min-height: 100vh;
  padding-bottom: 8rem;
}

/* Header */
.sf13-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--sf13-dark) 0%, #2a2a2a 100%);
  border-bottom: 1px solid var(--sf13-border);
  box-shadow: 0 2px 10px var(--sf13-shadow);
}

.sf13-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  max-width: 430px;
  margin: 0 auto;
}

.sf13-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--sf13-text);
}

.sf13-logo-icon {
  width: 2.4rem;
  height: 2.4rem;
  background: var(--sf13-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: white;
}

.sf13-logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--sf13-primary), var(--sf13-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.sf13-header-actions {
  display: flex;
  gap: 1rem;
}

.sf13-btn {
  padding: 0.8rem 1.6rem;
  border: none;
  border-radius: var(--sf13-radius);
  font-size: 1.4rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--sf13-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 4.4rem;
  white-space: nowrap;
}

.sf13-btn-primary {
  background: linear-gradient(135deg, var(--sf13-primary), var(--sf13-accent));
  color: white;
  box-shadow: 0 4px 12px rgba(38, 166, 154, 0.3);
}

.sf13-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(38, 166, 154, 0.4);
}

.sf13-btn-secondary {
  background: transparent;
  color: var(--sf13-text);
  border: 2px solid var(--sf13-primary);
}

.sf13-btn-secondary:hover {
  background: var(--sf13-primary);
  color: white;
}

.sf13-menu-toggle {
  background: none;
  border: none;
  color: var(--sf13-text);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 4.4rem;
  min-height: 4.4rem;
  border-radius: var(--sf13-radius);
  transition: var(--sf13-transition);
}

.sf13-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Mobile menu */
.sf13-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 320px;
  height: 100vh;
  background: var(--sf13-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -5px 0 15px var(--sf13-shadow);
}

.sf13-mobile-menu.active {
  right: 0;
}

.sf13-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--sf13-transition);
}

.sf13-menu-overlay.active {
  opacity: 1;
  visibility: visible;
}

.sf13-menu-header {
  padding: 2rem 1.5rem;
  border-bottom: 1px solid var(--sf13-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sf13-menu-close {
  background: none;
  border: none;
  color: var(--sf13-text);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
  min-width: 4.4rem;
  min-height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--sf13-radius);
  transition: var(--sf13-transition);
}

.sf13-menu-close:hover {
  background: rgba(255, 255, 255, 0.1);
}

.sf13-nav-list {
  list-style: none;
  padding: 1rem 0;
}

.sf13-nav-item {
  border-bottom: 1px solid var(--sf13-border);
}

.sf13-nav-link {
  display: block;
  padding: 1.5rem 2rem;
  color: var(--sf13-text);
  text-decoration: none;
  font-size: 1.6rem;
  transition: var(--sf13-transition);
  position: relative;
}

.sf13-nav-link:hover {
  background: rgba(38, 166, 154, 0.1);
  color: var(--sf13-primary);
  padding-left: 2.5rem;
}

.sf13-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 0.3rem;
  height: 0;
  background: var(--sf13-primary);
  transition: height 0.3s ease;
}

.sf13-nav-link:hover::before {
  height: 100%;
}

/* Main content */
.sf13-main {
  padding-top: 7rem;
  min-height: 100vh;
}

.sf13-section {
  padding: 3rem 0;
}

.sf13-section-title {
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: 2rem;
  color: var(--sf13-text);
  position: relative;
  padding-bottom: 1rem;
}

.sf13-section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 5rem;
  height: 0.3rem;
  background: linear-gradient(90deg, var(--sf13-primary), var(--sf13-accent));
  border-radius: 0.2rem;
}

/* Carousel */
.sf13-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--sf13-radius);
  margin-bottom: 3rem;
  box-shadow: 0 8px 24px var(--sf13-shadow);
}

.sf13-carousel-container {
  display: flex;
  transition: transform 0.5s ease;
}

.sf13-carousel-slide {
  min-width: 100%;
  position: relative;
  cursor: pointer;
}

.sf13-carousel-slide img {
  width: 100%;
  height: auto;
  display: block;
}

.sf13-carousel-indicators {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
}

.sf13-carousel-indicator {
  width: 1.2rem;
  height: 1.2rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--sf13-transition);
  border: 2px solid transparent;
}

.sf13-carousel-indicator:hover,
.sf13-carousel-indicator.active {
  background: var(--sf13-primary);
  border-color: white;
  transform: scale(1.2);
}

/* Game grid */
.sf13-game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.sf13-game-item {
  text-align: center;
  cursor: pointer;
  transition: var(--sf13-transition);
  position: relative;
}

.sf13-game-item:hover {
  transform: translateY(-0.5rem);
}

.sf13-game-icon {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--sf13-radius);
  overflow: hidden;
  margin-bottom: 0.8rem;
  box-shadow: 0 4px 12px var(--sf13-shadow);
  transition: var(--sf13-transition);
  position: relative;
}

.sf13-game-item:hover .sf13-game-icon {
  box-shadow: 0 8px 24px rgba(38, 166, 154, 0.3);
  transform: scale(1.05);
}

.sf13-game-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--sf13-transition);
}

.sf13-game-item:hover .sf13-game-icon img {
  transform: scale(1.1);
}

.sf13-game-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--sf13-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: var(--sf13-transition);
}

.sf13-game-item:hover .sf13-game-name {
  color: var(--sf13-primary);
}

/* Cards */
.sf13-card {
  background: linear-gradient(135deg, #2a2a2a 0%, var(--sf13-dark) 100%);
  border-radius: var(--sf13-radius);
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 4px 16px var(--sf13-shadow);
  border: 1px solid var(--sf13-border);
  transition: var(--sf13-transition);
}

.sf13-card:hover {
  transform: translateY(-0.2rem);
  box-shadow: 0 8px 24px var(--sf13-shadow);
}

.sf13-card-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--sf13-primary);
}

.sf13-card-text {
  color: var(--sf13-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.sf13-card-link {
  color: var(--sf13-primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--sf13-transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.sf13-card-link:hover {
  color: var(--sf13-accent);
  gap: 1rem;
}

/* Bottom navigation */
.sf13-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, var(--sf13-dark) 0%, #2a2a2a 100%);
  border-top: 1px solid var(--sf13-border);
  box-shadow: 0 -4px 12px var(--sf13-shadow);
  padding: 0.5rem 0;
  display: none;
}

.sf13-bottom-nav-list {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 430px;
  margin: 0 auto;
  list-style: none;
}

.sf13-bottom-nav-item {
  flex: 1;
  text-align: center;
  padding: 0.5rem;
  min-width: 6rem;
  cursor: pointer;
  transition: var(--sf13-transition);
  border-radius: var(--sf13-radius);
  position: relative;
}

.sf13-bottom-nav-item:hover {
  background: rgba(38, 166, 154, 0.1);
}

.sf13-bottom-nav-item.active {
  color: var(--sf13-primary);
}

.sf13-bottom-nav-item.active::before {
  content: '';
  position: absolute;
  top: -0.5rem;
  left: 50%;
  transform: translateX(-50%);
  width: 0.3rem;
  height: 0.3rem;
  background: var(--sf13-primary);
  border-radius: 50%;
}

.sf13-bottom-nav-icon {
  font-size: 2.4rem;
  display: block;
  margin-bottom: 0.3rem;
  transition: var(--sf13-transition);
}

.sf13-bottom-nav-item:hover .sf13-bottom-nav-icon {
  transform: scale(1.1);
}

.sf13-bottom-nav-text {
  font-size: 1rem;
  font-weight: 500;
  display: block;
  transition: var(--sf13-transition);
}

/* Footer */
.sf13-footer {
  background: linear-gradient(135deg, var(--sf13-dark) 0%, #1a1a1a 100%);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
  border-top: 1px solid var(--sf13-border);
}

.sf13-footer-content {
  margin-bottom: 2rem;
}

.sf13-footer-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--sf13-primary);
}

.sf13-footer-text {
  color: var(--sf13-text-secondary);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.sf13-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
}

.sf13-footer-link {
  color: var(--sf13-text-secondary);
  text-decoration: none;
  font-size: 1.3rem;
  transition: var(--sf13-transition);
  padding: 0.5rem 1rem;
  border-radius: var(--sf13-radius);
  background: rgba(255, 255, 255, 0.05);
}

.sf13-footer-link:hover {
  color: var(--sf13-primary);
  background: rgba(38, 166, 154, 0.1);
}

.sf13-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.sf13-partner {
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: var(--sf13-radius);
  padding: 0.5rem;
  transition: var(--sf13-transition);
}

.sf13-partner:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 12px var(--sf13-shadow);
}

.sf13-partner img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.sf13-copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--sf13-border);
  color: var(--sf13-text-secondary);
  font-size: 1.2rem;
}

/* Scroll to top button */
.sf13-scroll-top {
  position: fixed;
  bottom: 9rem;
  right: 2rem;
  z-index: 999;
  background: var(--sf13-primary);
  color: white;
  border: none;
  border-radius: 50%;
  width: 4.4rem;
  height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(38, 166, 154, 0.3);
  transition: var(--sf13-transition);
  opacity: 0;
  visibility: hidden;
}

.sf13-scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.sf13-scroll-top:hover {
  transform: translateY(-0.5rem);
  box-shadow: 0 6px 16px rgba(38, 166, 154, 0.4);
}

/* Responsive design */
@media (max-width: 768px) {
  .sf13-bottom-nav {
    display: block;
  }

  .sf13-main {
    padding-bottom: 8rem;
  }

  .sf13-game-grid {
    grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
    gap: 1rem;
  }

  .sf13-section-title {
    font-size: 2rem;
  }

  .sf13-card {
    padding: 1.5rem;
  }
}

@media (min-width: 769px) {
  .sf13-header-content,
  .sf13-container {
    max-width: 1200px;
  }

  .sf13-game-grid {
    grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  }

  .sf13-footer-links {
    justify-content: center;
  }
}

/* Utility classes */
.sf13-text-center {
  text-align: center;
}

.sf13-text-primary {
  color: var(--sf13-primary);
}

.sf13-bg-primary {
  background-color: var(--sf13-primary);
}

.sf13-mt-1 {
  margin-top: 1rem;
}

.sf13-mt-2 {
  margin-top: 2rem;
}

.sf13-mt-3 {
  margin-top: 3rem;
}

.sf13-mb-1 {
  margin-bottom: 1rem;
}

.sf13-mb-2 {
  margin-bottom: 2rem;
}

.sf13-mb-3 {
  margin-bottom: 3rem;
}

.sf13-hidden {
  display: none;
}

.sf13-flex {
  display: flex;
}

.sf13-flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.sf13-gap-1 {
  gap: 1rem;
}

.sf13-gap-2 {
  gap: 2rem;
}