/**
 * J77PH Gaming Platform - Main Stylesheet
 * Prefix: gdc0-
 * Color Scheme: #808080 (Gray) | #2C3E50 (Dark Blue-Gray)
 * Mobile-first responsive design
 */

/* ========== CSS Variables ========== */
:root {
  --gdc0-primary: #808080;
  --gdc0-secondary: #2C3E50;
  --gdc0-dark: #1a1a1a;
  --gdc0-light: #f5f5f5;
  --gdc0-white: #ffffff;
  --gdc0-accent: #95a5a6;
  --gdc0-border: #e0e0e0;
  --gdc0-shadow: rgba(0, 0, 0, 0.1);
  --gdc0-overlay: rgba(0, 0, 0, 0.5);
  --gdc0-success: #27ae60;
  --gdc0-warning: #f39c12;
  --gdc0-danger: #e74c3c;
  --gdc0-text: #2C3E50;
  --gdc0-text-light: #7f8c8d;
  --gdc0-bg: #ecf0f1;
  --gdc0-gradient: linear-gradient(135deg, #808080 0%, #2C3E50 100%);
  --gdc0-gradient-hover: linear-gradient(135deg, #2C3E50 0%, #808080 100%);
}

/* ========== Reset & Base ========== */
* {
  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(--gdc0-text);
  background: var(--gdc0-bg);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

/* ========== Container & Layout ========== */
.gdc0-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.6rem;
}

.gdc0-wrapper {
  width: 100%;
  min-height: 100vh;
  padding-bottom: 8rem;
}

.gdc0-section {
  padding: 2.4rem 0;
}

.gdc0-grid {
  display: grid;
  gap: 1.6rem;
}

.gdc0-flex {
  display: flex;
  gap: 1.2rem;
}

/* ========== Header ========== */
.gdc0-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--gdc0-gradient);
  padding: 1.2rem 0;
  z-index: 1000;
  box-shadow: 0 2px 8px var(--gdc0-shadow);
}

.gdc0-header-scrolled {
  box-shadow: 0 4px 12px var(--gdc0-shadow);
}

.gdc0-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.6rem;
}

.gdc0-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--gdc0-white);
  font-size: 2rem;
  font-weight: 700;
}

.gdc0-logo-icon {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.6rem;
}

.gdc0-header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gdc0-btn-register,
.gdc0-btn-login {
  padding: 0.8rem 1.6rem;
  border-radius: 0.6rem;
  font-size: 1.4rem;
  font-weight: 600;
  transition: all 0.3s ease;
  min-height: 4.4rem;
}

.gdc0-btn-register {
  background: var(--gdc0-warning);
  color: var(--gdc0-white);
}

.gdc0-btn-register:hover {
  background: #e67e22;
  transform: translateY(-2px);
}

.gdc0-btn-login {
  background: var(--gdc0-white);
  color: var(--gdc0-secondary);
}

.gdc0-btn-login:hover {
  background: var(--gdc0-light);
  transform: translateY(-2px);
}

.gdc0-menu-btn {
  color: var(--gdc0-white);
  font-size: 2.4rem;
  padding: 0.8rem;
  min-width: 4.4rem;
  min-height: 4.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ========== Mobile Menu ========== */
.gdc0-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 300px;
  height: 100vh;
  background: var(--gdc0-white);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  box-shadow: -4px 0 12px var(--gdc0-shadow);
}

.gdc0-menu-active {
  right: 0;
}

.gdc0-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background: var(--gdc0-overlay);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.gdc0-overlay-active {
  opacity: 1;
  visibility: visible;
}

.gdc0-menu-header {
  padding: 2rem;
  background: var(--gdc0-gradient);
  color: var(--gdc0-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.gdc0-menu-close {
  color: var(--gdc0-white);
  font-size: 2.4rem;
  padding: 0.4rem;
}

.gdc0-menu-links {
  padding: 1.6rem 0;
}

.gdc0-mobile-link {
  display: block;
  padding: 1.4rem 2rem;
  color: var(--gdc0-text);
  font-size: 1.6rem;
  border-bottom: 1px solid var(--gdc0-border);
  transition: all 0.3s ease;
}

.gdc0-mobile-link:hover,
.gdc0-link-active {
  background: var(--gdc0-bg);
  color: var(--gdc0-primary);
  padding-left: 2.4rem;
}

/* ========== Bottom Navigation ========== */
.gdc0-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to right, #2C3E50, #34495e, #2C3E50);
  padding: 0.8rem 0;
  z-index: 1000;
  box-shadow: 0 -2px 8px var(--gdc0-shadow);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 6rem;
}

.gdc0-bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--gdc0-light);
  font-size: 1rem;
  gap: 0.4rem;
  min-width: 6rem;
  min-height: 6rem;
  transition: all 0.3s ease;
  position: relative;
}

.gdc0-bottom-nav-link i {
  font-size: 2.4rem;
  transition: all 0.3s ease;
}

.gdc0-bottom-nav-link:hover i,
.gdc0-nav-active i {
  color: var(--gdc0-warning);
  transform: scale(1.15);
}

.gdc0-bottom-nav-link:hover,
.gdc0-nav-active {
  color: var(--gdc0-warning);
}

.gdc0-nav-text {
  font-size: 1.1rem;
  font-weight: 500;
  text-align: center;
}

/* ========== Main Content ========== */
.gdc0-main {
  margin-top: 6.4rem;
  padding-bottom: 8rem;
}

/* ========== Carousel ========== */
.gdc0-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 1.2rem;
  margin: 1.6rem 0;
}

.gdc0-slides {
  position: relative;
  height: 200px;
}

.gdc0-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
  cursor: pointer;
}

.gdc0-slide-active {
  opacity: 1;
}

.gdc0-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gdc0-carousel-dots {
  position: absolute;
  bottom: 1.2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.8rem;
  z-index: 10;
}

.gdc0-dot {
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: all 0.3s ease;
}

.gdc0-dot-active,
.gdc0-dot:hover {
  background: var(--gdc0-white);
  transform: scale(1.2);
}

/* ========== Buttons ========== */
.gdc0-btn {
  display: inline-block;
  padding: 1.2rem 2.4rem;
  border-radius: 0.8rem;
  font-size: 1.6rem;
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  min-height: 4.4rem;
  cursor: pointer;
}

.gdc0-btn-primary {
  background: var(--gdc0-gradient);
  color: var(--gdc0-white);
}

.gdc0-btn-primary:hover {
  background: var(--gdc0-gradient-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--gdc0-shadow);
}

.gdc0-btn-secondary {
  background: var(--gdc0-accent);
  color: var(--gdc0-white);
}

.gdc0-btn-secondary:hover {
  background: #7f8c8d;
  transform: translateY(-2px);
}

.gdc0-btn-outline {
  border: 2px solid var(--gdc0-primary);
  color: var(--gdc0-primary);
  background: transparent;
}

.gdc0-btn-outline:hover {
  background: var(--gdc0-primary);
  color: var(--gdc0-white);
}

/* ========== Cards ========== */
.gdc0-card {
  background: var(--gdc0-white);
  border-radius: 1.2rem;
  padding: 2rem;
  box-shadow: 0 2px 8px var(--gdc0-shadow);
  transition: all 0.3s ease;
}

.gdc0-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px var(--gdc0-shadow);
}

.gdc0-card-header {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gdc0-secondary);
  margin-bottom: 1.2rem;
}

.gdc0-card-content {
  font-size: 1.4rem;
  line-height: 1.6;
  color: var(--gdc0-text-light);
}

/* ========== Game Grid ========== */
.gdc0-game-section {
  margin: 2.4rem 0;
}

.gdc0-section-title {
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--gdc0-secondary);
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gdc0-section-title i {
  color: var(--gdc0-primary);
}

.gdc0-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
}

.gdc0-game-item {
  cursor: pointer;
  transition: all 0.3s ease;
}

.gdc0-game-item:hover {
  transform: translateY(-4px);
}

.gdc0-game-icon {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 0.8rem;
  overflow: hidden;
  box-shadow: 0 2px 6px var(--gdc0-shadow);
  margin-bottom: 0.6rem;
}

.gdc0-game-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gdc0-game-name {
  font-size: 1.2rem;
  text-align: center;
  color: var(--gdc0-text);
  font-weight: 500;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* ========== Footer ========== */
.gdc0-footer {
  background: var(--gdc0-secondary);
  color: var(--gdc0-light);
  padding: 3.2rem 0 2rem;
  margin-top: 4rem;
}

.gdc0-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-bottom: 2.4rem;
}

.gdc0-footer-link {
  color: var(--gdc0-light);
  font-size: 1.4rem;
  padding: 0.8rem;
  transition: all 0.3s ease;
}

.gdc0-footer-link:hover {
  color: var(--gdc0-warning);
  padding-left: 1.2rem;
}

.gdc0-partners {
  margin: 2.4rem 0;
}

.gdc0-partners-title {
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 1.2rem;
  text-align: center;
}

.gdc0-partners-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  align-items: center;
}

.gdc0-partner-logo {
  width: 100%;
  height: auto;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.gdc0-partner-logo:hover {
  opacity: 1;
  transform: scale(1.1);
}

.gdc0-copyright {
  text-align: center;
  font-size: 1.2rem;
  color: var(--gdc0-text-light);
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* ========== Responsive ========== */
@media (min-width: 769px) {
  .gdc0-bottom-nav {
    display: none;
  }

  .gdc0-wrapper {
    padding-bottom: 0;
  }

  .gdc0-main {
    padding-bottom: 0;
  }

  .gdc0-game-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .gdc0-footer-links {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .gdc0-main {
    padding-bottom: 8rem;
  }
}