/**
 * SinaGPH Core Stylesheet
 * All classes use pg38- prefix to avoid conflicts
 * Mobile-first responsive design
 * @version 1.0.0
 */

/* CSS Variables */
:root {
  --pg38-primary: #00FF00;
  --pg38-primary-dark: #006400;
  --pg38-bg-dark: #0F0F23;
  --pg38-bg-medium: #2C3E50;
  --pg38-bg-light: #36454F;
  --pg38-text-light: #FFFFFF;
  --pg38-text-muted: #B8C5D6;
  --pg38-accent: #00FF00;
  --pg38-accent-hover: #00CC00;
  --pg38-border: #36454F;
  --pg38-shadow: rgba(0, 0, 0, 0.3);
  --pg38-success: #00FF00;
  --pg38-warning: #FFD700;
  --pg38-danger: #FF4444;
  --pg38-spacing: 1.5rem;
  --pg38-radius: 0.8rem;
  --pg38-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: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--pg38-text-light);
  background: var(--pg38-bg-dark);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--pg38-accent);
  text-decoration: none;
  transition: var(--pg38-transition);
}

a:hover {
  color: var(--pg38-accent-hover);
}

/* Container */
.pg38-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

.pg38-wrapper {
  max-width: 100%;
  margin: 0 auto;
}

/* Header Styles */
.pg38-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--pg38-bg-medium) 0%, var(--pg38-bg-dark) 100%);
  box-shadow: 0 2px 10px var(--pg38-shadow);
  z-index: 1000;
  padding: 1rem 0;
}

.pg38-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.pg38-logo-wrapper {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pg38-logo {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.pg38-site-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--pg38-primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pg38-header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.pg38-btn-header {
  padding: 0.6rem 1.2rem;
  font-size: 1.2rem;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: var(--pg38-transition);
  white-space: nowrap;
}

.pg38-btn-login {
  background: transparent;
  color: var(--pg38-primary);
  border: 1px solid var(--pg38-primary);
}

.pg38-btn-login:hover {
  background: var(--pg38-primary);
  color: var(--pg38-bg-dark);
}

.pg38-btn-register {
  background: var(--pg38-primary);
  color: var(--pg38-bg-dark);
  font-weight: 700;
}

.pg38-btn-register:hover {
  background: var(--pg38-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 255, 0, 0.3);
}

.pg38-menu-btn {
  background: none;
  border: none;
  color: var(--pg38-primary);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--pg38-transition);
}

.pg38-menu-btn:hover {
  color: var(--pg38-accent-hover);
}

/* Mobile Navigation */
.pg38-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transition: var(--pg38-transition);
  z-index: 1001;
}

.pg38-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

.pg38-mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: linear-gradient(180deg, var(--pg38-bg-medium) 0%, var(--pg38-bg-dark) 100%);
  box-shadow: -2px 0 10px var(--pg38-shadow);
  padding: 2rem;
  overflow-y: auto;
  transition: right 0.3s ease;
  z-index: 1002;
}

.pg38-mobile-nav.active {
  right: 0;
}

.pg38-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--pg38-border);
}

.pg38-nav-close {
  background: none;
  border: none;
  color: var(--pg38-primary);
  font-size: 2.4rem;
  cursor: pointer;
  transition: var(--pg38-transition);
}

.pg38-nav-close:hover {
  color: var(--pg38-accent-hover);
  transform: rotate(90deg);
}

.pg38-nav-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.pg38-nav-item {
  border-bottom: 1px solid rgba(54, 69, 79, 0.5);
}

.pg38-nav-link {
  display: block;
  padding: 1.2rem 1rem;
  color: var(--pg38-text-light);
  font-size: 1.5rem;
  font-weight: 500;
  transition: var(--pg38-transition);
  border-left: 3px solid transparent;
}

.pg38-nav-link:hover,
.pg38-nav-link.active {
  color: var(--pg38-primary);
  background: rgba(0, 255, 0, 0.05);
  border-left-color: var(--pg38-primary);
  padding-left: 1.5rem;
}

/* Main Content */
.pg38-main {
  margin-top: 70px;
  min-height: calc(100vh - 70px);
  padding-bottom: 80px;
}

/* Carousel */
.pg38-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--pg38-radius);
  margin-bottom: var(--pg38-spacing);
}

.pg38-carousel-inner {
  position: relative;
  width: 100%;
  height: 200px;
}

.pg38-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.pg38-slide.active {
  opacity: 1;
}

.pg38-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--pg38-radius);
}

.pg38-carousel-dots {
  position: absolute;
  bottom: 15px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 10;
}

.pg38-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--pg38-transition);
}

.pg38-dot.active {
  background: var(--pg38-primary);
  width: 25px;
  border-radius: 5px;
}

/* Section Styles */
.pg38-section {
  margin-bottom: 3rem;
}

.pg38-section-header {
  margin-bottom: 1.5rem;
  padding: 1rem 0;
  border-bottom: 2px solid var(--pg38-primary);
}

.pg38-section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--pg38-primary);
  margin-bottom: 0.5rem;
}

.pg38-section-subtitle {
  font-size: 1.3rem;
  color: var(--pg38-text-muted);
}

/* Game Grid */
.pg38-game-category {
  margin-bottom: 2.5rem;
}

.pg38-category-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--pg38-primary);
  margin-bottom: 1rem;
  padding: 0.8rem 1.2rem;
  background: rgba(0, 255, 0, 0.1);
  border-left: 4px solid var(--pg38-primary);
  border-radius: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pg38-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}

.pg38-game-card {
  background: var(--pg38-bg-light);
  border-radius: 0.8rem;
  padding: 0.8rem;
  text-align: center;
  cursor: pointer;
  transition: var(--pg38-transition);
  border: 2px solid transparent;
}

.pg38-game-card:hover {
  transform: translateY(-4px);
  border-color: var(--pg38-primary);
  box-shadow: 0 6px 20px rgba(0, 255, 0, 0.2);
}

.pg38-game-icon {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.5rem;
  margin-bottom: 0.5rem;
}

.pg38-game-name {
  font-size: 1.1rem;
  color: var(--pg38-text-light);
  font-weight: 500;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Button Styles */
.pg38-btn {
  display: inline-block;
  padding: 1.2rem 2.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  border: none;
  border-radius: var(--pg38-radius);
  cursor: pointer;
  transition: var(--pg38-transition);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pg38-btn-primary {
  background: linear-gradient(135deg, var(--pg38-primary) 0%, var(--pg38-primary-dark) 100%);
  color: var(--pg38-bg-dark);
  box-shadow: 0 4px 15px rgba(0, 255, 0, 0.3);
}

.pg38-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(0, 255, 0, 0.4);
}

.pg38-btn-outline {
  background: transparent;
  color: var(--pg38-primary);
  border: 2px solid var(--pg38-primary);
}

.pg38-btn-outline:hover {
  background: var(--pg38-primary);
  color: var(--pg38-bg-dark);
}

.pg38-btn-block {
  display: block;
  width: 100%;
}

/* Card Component */
.pg38-card {
  background: var(--pg38-bg-light);
  border-radius: var(--pg38-radius);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--pg38-border);
  box-shadow: 0 2px 8px var(--pg38-shadow);
}

.pg38-card-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--pg38-primary);
  margin-bottom: 1rem;
}

.pg38-card-content {
  color: var(--pg38-text-light);
  line-height: 1.6;
}

/* List Styles */
.pg38-list {
  list-style: none;
  margin: 1.5rem 0;
}

.pg38-list-item {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(54, 69, 79, 0.5);
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.pg38-list-item:last-child {
  border-bottom: none;
}

.pg38-list-icon {
  color: var(--pg38-primary);
  font-size: 1.6rem;
  margin-top: 0.2rem;
  flex-shrink: 0;
}

.pg38-list-content {
  flex: 1;
}

.pg38-list-title {
  font-weight: 600;
  color: var(--pg38-primary);
  margin-bottom: 0.3rem;
}

.pg38-list-text {
  color: var(--pg38-text-muted);
  font-size: 1.3rem;
}

/* Footer */
.pg38-footer {
  background: linear-gradient(135deg, var(--pg38-bg-medium) 0%, var(--pg38-bg-dark) 100%);
  padding: 3rem 0 8rem;
  margin-top: 4rem;
  border-top: 3px solid var(--pg38-primary);
}

.pg38-footer-content {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.pg38-footer-section {
  margin-bottom: 2.5rem;
}

.pg38-footer-title {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--pg38-primary);
  margin-bottom: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.pg38-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.pg38-footer-link {
  color: var(--pg38-text-light);
  font-size: 1.3rem;
  padding: 0.5rem 0;
  transition: var(--pg38-transition);
}

.pg38-footer-link:hover {
  color: var(--pg38-primary);
  padding-left: 0.5rem;
}

.pg38-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 1.5rem;
}

.pg38-partner-logo {
  width: 100%;
  height: auto;
  opacity: 0.7;
  transition: var(--pg38-transition);
  border-radius: 0.4rem;
}

.pg38-partner-logo:hover {
  opacity: 1;
  transform: scale(1.05);
}

.pg38-copyright {
  text-align: center;
  color: var(--pg38-text-muted);
  font-size: 1.2rem;
  padding-top: 2rem;
  margin-top: 2rem;
  border-top: 1px solid var(--pg38-border);
}

/* Bottom Navigation */
.pg38-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(135deg, var(--pg38-bg-medium) 0%, var(--pg38-bg-dark) 100%);
  box-shadow: 0 -2px 10px var(--pg38-shadow);
  z-index: 999;
  padding: 0.8rem 0;
}

.pg38-bottom-nav-container {
  max-width: 430px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.pg38-bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.3rem;
  color: var(--pg38-text-muted);
  font-size: 1.1rem;
  padding: 0.5rem 1rem;
  min-width: 60px;
  transition: var(--pg38-transition);
  text-align: center;
}

.pg38-bottom-nav-icon {
  font-size: 2.2rem;
}

.pg38-bottom-nav-link:hover,
.pg38-bottom-nav-link.active {
  color: var(--pg38-primary);
  transform: translateY(-2px);
}

.pg38-bottom-nav-link.active .pg38-bottom-nav-icon {
  color: var(--pg38-primary);
}

/* Promo Link */
.pg38-promo-link {
  color: var(--pg38-primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: var(--pg38-transition);
  cursor: pointer;
}

.pg38-promo-link:hover {
  color: var(--pg38-accent-hover);
  border-bottom-color: var(--pg38-accent-hover);
}

/* Utility Classes */
.pg38-text-center {
  text-align: center;
}

.pg38-text-primary {
  color: var(--pg38-primary);
}

.pg38-text-muted {
  color: var(--pg38-text-muted);
}

.pg38-mb-1 {
  margin-bottom: 1rem;
}

.pg38-mb-2 {
  margin-bottom: 2rem;
}

.pg38-mb-3 {
  margin-bottom: 3rem;
}

.pg38-mt-1 {
  margin-top: 1rem;
}

.pg38-mt-2 {
  margin-top: 2rem;
}

.pg38-mt-3 {
  margin-top: 3rem;
}

.pg38-p-1 {
  padding: 1rem;
}

.pg38-p-2 {
  padding: 2rem;
}

.pg38-bold {
  font-weight: 700;
}

/* Animation Classes */
.pg38-fade-in {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.pg38-fade-in.visible {
  opacity: 1;
}

.pg38-slide-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.pg38-slide-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Back to Top Button */
.pg38-back-to-top {
  position: fixed;
  bottom: 80px;
  right: 20px;
  width: 50px;
  height: 50px;
  background: var(--pg38-primary);
  color: var(--pg38-bg-dark);
  border: none;
  border-radius: 50%;
  font-size: 2rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--pg38-transition);
  z-index: 998;
  box-shadow: 0 4px 15px rgba(0, 255, 0, 0.3);
}

.pg38-back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.pg38-back-to-top:hover {
  background: var(--pg38-accent-hover);
  transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 375px) {
  .pg38-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .pg38-site-name {
    font-size: 1.6rem;
  }

  .pg38-btn-header {
    padding: 0.5rem 1rem;
    font-size: 1.1rem;
  }
}

@media (min-width: 431px) {
  .pg38-container,
  .pg38-header-content,
  .pg38-footer-content,
  .pg38-bottom-nav-container {
    max-width: 430px;
  }
}

/* Loading Animation */
@keyframes pg38-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.pg38-loading {
  animation: pg38-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Highlight Effect */
.pg38-highlight {
  background: linear-gradient(90deg, transparent, rgba(0, 255, 0, 0.2), transparent);
  animation: pg38-shine 2s infinite;
}

@keyframes pg38-shine {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}