/**
 * PHDream44 Gaming Platform - Main Stylesheet
 * Prefix: g630-
 * Color Scheme: Purple-Green Dark Theme
 * Mobile-first responsive design (max-width: 430px)
 */

/* ========== CSS Variables ========== */
:root {
  /* Purple-Green Color Palette */
  --g630-primary: #4B0082;        /* Indigo purple - primary brand */
  --g630-accent: #008000;         /* Green - accent color */
  --g630-secondary: #7B68EE;      /* Medium slate blue */
  --g630-bg-dark: #2D2D2D;        /* Dark background */
  --g630-tertiary: #9932CC;       /* Dark orchid */

  /* Additional colors */
  --g630-bg-darker: #1a1a1a;
  --g630-bg-card: #363636;
  --g630-text-light: #ffffff;
  --g630-text-gray: #cccccc;
  --g630-text-muted: #999999;
  --g630-border: #4a4a4a;
  --g630-success: #00c851;
  --g630-warning: #ffbb33;
  --g630-error: #ff4444;

  /* Gradients */
  --g630-gradient-primary: linear-gradient(135deg, #4B0082 0%, #9932CC 100%);
  --g630-gradient-accent: linear-gradient(135deg, #008000 0%, #00c851 100%);
  --g630-gradient-mixed: linear-gradient(135deg, #4B0082 0%, #008000 100%);
  --g630-gradient-overlay: linear-gradient(180deg, rgba(45, 45, 45, 0) 0%, rgba(45, 45, 45, 0.95) 100%);

  /* Spacing */
  --g630-spacing-xs: 0.25rem;
  --g630-spacing-sm: 0.5rem;
  --g630-spacing-md: 1rem;
  --g630-spacing-lg: 1.5rem;
  --g630-spacing-xl: 2rem;

  /* Typography */
  --g630-font-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --g630-font-heading: "Segoe UI", Roboto, Arial, sans-serif;

  /* Sizes */
  --g630-header-height: 60px;
  --g630-bottom-nav-height: 64px;
  --g630-border-radius: 8px;
  --g630-border-radius-sm: 4px;
  --g630-border-radius-lg: 12px;

  /* Transitions */
  --g630-transition: all 0.3s ease;
  --g630-transition-fast: all 0.15s ease;
}

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

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

body {
  font-family: var(--g630-font-base);
  font-size: 1.4rem;
  line-height: 1.5;
  color: var(--g630-text-light);
  background-color: var(--g630-bg-dark);
  overflow-x: hidden;
}

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

a {
  color: var(--g630-accent);
  text-decoration: none;
  transition: var(--g630-transition-fast);
}

a:hover {
  color: var(--g630-secondary);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  transition: var(--g630-transition-fast);
}

/* ========== Header ========== */
.g630-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--g630-header-height);
  background: var(--g630-bg-darker);
  border-bottom: 2px solid var(--g630-primary);
  z-index: 1000;
  transition: var(--g630-transition);
}

.g630-header.g630-scrolled {
  box-shadow: 0 4px 12px rgba(75, 0, 130, 0.3);
  border-bottom-color: var(--g630-accent);
}

.g630-header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--g630-spacing-md);
}

.g630-logo {
  font-size: 2rem;
  font-weight: 700;
  background: var(--g630-gradient-mixed);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 0.5px;
}

.g630-header-actions {
  display: flex;
  align-items: center;
  gap: var(--g630-spacing-sm);
}

.g630-btn-login,
.g630-btn-register {
  padding: 0.6rem 1.2rem;
  font-size: 1.3rem;
  font-weight: 600;
  border-radius: var(--g630-border-radius-sm);
  transition: var(--g630-transition);
  white-space: nowrap;
}

.g630-btn-login {
  color: var(--g630-text-light);
  background: transparent;
  border: 1px solid var(--g630-primary);
}

.g630-btn-login:hover {
  background: var(--g630-primary);
  transform: translateY(-1px);
}

.g630-btn-register {
  color: var(--g630-text-light);
  background: var(--g630-gradient-accent);
  box-shadow: 0 2px 8px rgba(0, 128, 0, 0.3);
}

.g630-btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 128, 0, 0.4);
}

.g630-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 0.5rem;
  margin-left: var(--g630-spacing-sm);
}

.g630-menu-toggle span {
  display: block;
  width: 24px;
  height: 3px;
  background: var(--g630-accent);
  border-radius: 2px;
  transition: var(--g630-transition);
}

.g630-menu-toggle:hover span {
  background: var(--g630-secondary);
}

/* ========== Mobile Menu ========== */
.g630-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--g630-transition);
}

.g630-menu-overlay.g630-menu-open {
  opacity: 1;
  visibility: visible;
}

.g630-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  height: 100vh;
  background: var(--g630-bg-darker);
  border-left: 2px solid var(--g630-primary);
  z-index: 9999;
  overflow-y: auto;
  transition: var(--g630-transition);
  padding: var(--g630-spacing-xl) var(--g630-spacing-lg);
}

.g630-mobile-menu.g630-menu-open {
  right: 0;
}

.g630-menu-close {
  position: absolute;
  top: var(--g630-spacing-md);
  right: var(--g630-spacing-md);
  font-size: 2.4rem;
  color: var(--g630-text-gray);
  padding: 0.5rem;
}

.g630-menu-close:hover {
  color: var(--g630-accent);
}

.g630-menu-nav {
  margin-top: var(--g630-spacing-xl);
}

.g630-menu-link {
  display: block;
  padding: var(--g630-spacing-md);
  color: var(--g630-text-light);
  font-size: 1.5rem;
  border-bottom: 1px solid var(--g630-border);
  transition: var(--g630-transition-fast);
}

.g630-menu-link:hover {
  background: var(--g630-primary);
  padding-left: var(--g630-spacing-lg);
}

/* ========== Main Content ========== */
.g630-main {
  margin-top: var(--g630-header-height);
  min-height: calc(100vh - var(--g630-header-height));
}

@media (max-width: 768px) {
  .g630-main {
    padding-bottom: calc(var(--g630-bottom-nav-height) + 20px);
  }
}

.g630-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--g630-spacing-md);
}

.g630-section {
  padding: var(--g630-spacing-xl) 0;
}

.g630-section-title {
  font-family: var(--g630-font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: var(--g630-spacing-lg);
  background: var(--g630-gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========== Carousel ========== */
.g630-carousel {
  position: relative;
  overflow: hidden;
  border-radius: var(--g630-border-radius-lg);
  margin-bottom: var(--g630-spacing-lg);
}

.g630-carousel-track {
  display: flex;
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.g630-carousel-slide {
  min-width: 100%;
  position: relative;
}

.g630-carousel-slide img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.g630-carousel-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--g630-spacing-lg);
  background: var(--g630-gradient-overlay);
}

.g630-carousel-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--g630-spacing-sm);
  color: var(--g630-text-light);
}

.g630-carousel-text {
  font-size: 1.3rem;
  color: var(--g630-text-gray);
  margin-bottom: var(--g630-spacing-md);
}

.g630-carousel-dots {
  display: flex;
  justify-content: center;
  gap: var(--g630-spacing-sm);
  margin-top: var(--g630-spacing-md);
}

.g630-carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  padding: 0;
  cursor: pointer;
  transition: var(--g630-transition-fast);
}

.g630-carousel-dot.g630-active {
  background: var(--g630-accent);
  width: 24px;
  border-radius: 5px;
}

/* ========== Game Grid ========== */
.g630-game-filter {
  display: flex;
  gap: var(--g630-spacing-sm);
  margin-bottom: var(--g630-spacing-lg);
  overflow-x: auto;
  padding-bottom: var(--g630-spacing-sm);
}

.g630-game-filter::-webkit-scrollbar {
  height: 4px;
}

.g630-game-filter::-webkit-scrollbar-thumb {
  background: var(--g630-primary);
  border-radius: 2px;
}

.g630-filter-btn {
  padding: 0.8rem 1.6rem;
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--g630-text-gray);
  background: var(--g630-bg-card);
  border-radius: var(--g630-border-radius);
  white-space: nowrap;
  transition: var(--g630-transition-fast);
}

.g630-filter-btn:hover,
.g630-filter-btn.g630-active {
  color: var(--g630-text-light);
  background: var(--g630-gradient-mixed);
}

.g630-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--g630-spacing-md);
  margin-bottom: var(--g630-spacing-xl);
}

.g630-game-card {
  position: relative;
  border-radius: var(--g630-border-radius);
  overflow: hidden;
  background: var(--g630-bg-card);
  transition: var(--g630-transition);
  cursor: pointer;
}

.g630-game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(75, 0, 130, 0.4);
}

.g630-game-card::before {
  content: '';
  display: block;
  padding-top: 100%;
}

.g630-game-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.g630-game-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--g630-spacing-sm);
  background: var(--g630-gradient-overlay);
  transform: translateY(100%);
  transition: var(--g630-transition);
}

.g630-game-card:hover .g630-game-overlay {
  transform: translateY(0);
}

.g630-game-name {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--g630-text-light);
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========== Content Sections ========== */
.g630-content-box {
  background: var(--g630-bg-card);
  border-radius: var(--g630-border-radius-lg);
  padding: var(--g630-spacing-lg);
  margin-bottom: var(--g630-spacing-lg);
  border: 1px solid var(--g630-border);
}

.g630-content-box h2 {
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: var(--g630-spacing-md);
  color: var(--g630-secondary);
}

.g630-content-box h3 {
  font-size: 1.6rem;
  font-weight: 600;
  margin: var(--g630-spacing-lg) 0 var(--g630-spacing-md);
  color: var(--g630-accent);
}

.g630-content-box p {
  margin-bottom: var(--g630-spacing-md);
  line-height: 1.7;
  color: var(--g630-text-gray);
}

.g630-content-box ul,
.g630-content-box ol {
  margin-left: var(--g630-spacing-lg);
  margin-bottom: var(--g630-spacing-md);
}

.g630-content-box li {
  margin-bottom: var(--g630-spacing-sm);
  color: var(--g630-text-gray);
  line-height: 1.7;
}

.g630-content-link {
  color: var(--g630-accent);
  font-weight: 600;
  text-decoration: underline;
}

.g630-content-link:hover {
  color: var(--g630-secondary);
}

/* ========== Buttons ========== */
.g630-btn {
  display: inline-block;
  padding: 1.2rem 2.4rem;
  font-size: 1.5rem;
  font-weight: 700;
  text-align: center;
  border-radius: var(--g630-border-radius);
  transition: var(--g630-transition);
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.g630-btn-primary {
  color: var(--g630-text-light);
  background: var(--g630-gradient-primary);
  box-shadow: 0 4px 12px rgba(75, 0, 130, 0.3);
}

.g630-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(75, 0, 130, 0.4);
}

.g630-btn-accent {
  color: var(--g630-text-light);
  background: var(--g630-gradient-accent);
  box-shadow: 0 4px 12px rgba(0, 128, 0, 0.3);
}

.g630-btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 128, 0, 0.4);
}

.g630-btn-full {
  width: 100%;
}

/* ========== Accordion ========== */
.g630-accordion {
  margin-bottom: var(--g630-spacing-lg);
}

.g630-accordion-item {
  background: var(--g630-bg-card);
  border-radius: var(--g630-border-radius);
  margin-bottom: var(--g630-spacing-sm);
  overflow: hidden;
  border: 1px solid var(--g630-border);
}

.g630-accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--g630-spacing-md) var(--g630-spacing-lg);
  cursor: pointer;
  transition: var(--g630-transition-fast);
}

.g630-accordion-header:hover {
  background: rgba(75, 0, 130, 0.1);
}

.g630-accordion-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--g630-text-light);
}

.g630-accordion-icon {
  font-size: 1.8rem;
  color: var(--g630-accent);
  transition: var(--g630-transition);
}

.g630-accordion-item.g630-active .g630-accordion-icon {
  transform: rotate(180deg);
}

.g630-accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.g630-accordion-body {
  padding: 0 var(--g630-spacing-lg) var(--g630-spacing-lg);
  color: var(--g630-text-gray);
  line-height: 1.7;
}

/* ========== Bottom Navigation ========== */
.g630-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--g630-bottom-nav-height);
  background: var(--g630-bg-darker);
  border-top: 2px solid var(--g630-primary);
  z-index: 1000;
  display: flex;
  justify-content: space-around;
  align-items: center;
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.3);
}

.g630-bottom-nav-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  color: var(--g630-text-gray);
  transition: var(--g630-transition-fast);
  text-decoration: none;
}

.g630-bottom-nav-link:hover,
.g630-bottom-nav-link.g630-active {
  color: var(--g630-accent);
}

.g630-bottom-nav-icon {
  font-size: 2.4rem;
  margin-bottom: var(--g630-spacing-xs);
}

.g630-bottom-nav-text {
  font-size: 1.1rem;
  font-weight: 600;
}

@media (min-width: 769px) {
  .g630-bottom-nav {
    display: none;
  }
}

/* ========== Footer ========== */
.g630-footer {
  background: var(--g630-bg-darker);
  border-top: 2px solid var(--g630-primary);
  padding: var(--g630-spacing-xl) 0 var(--g630-spacing-md);
}

.g630-footer-content {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 var(--g630-spacing-md);
}

.g630-footer-partners {
  margin-bottom: var(--g630-spacing-lg);
}

.g630-footer-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: var(--g630-spacing-md);
  color: var(--g630-accent);
}

.g630-partner-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--g630-spacing-md);
  margin-bottom: var(--g630-spacing-lg);
}

.g630-partner-logo {
  background: var(--g630-bg-card);
  padding: var(--g630-spacing-sm);
  border-radius: var(--g630-border-radius);
  text-align: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--g630-text-gray);
  border: 1px solid var(--g630-border);
}

.g630-footer-links {
  margin-bottom: var(--g630-spacing-lg);
}

.g630-footer-nav {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--g630-spacing-sm);
}

.g630-footer-link {
  color: var(--g630-text-gray);
  font-size: 1.3rem;
  padding: var(--g630-spacing-sm);
}

.g630-footer-link:hover {
  color: var(--g630-accent);
}

.g630-footer-bottom {
  text-align: center;
  padding-top: var(--g630-spacing-lg);
  border-top: 1px solid var(--g630-border);
  color: var(--g630-text-muted);
  font-size: 1.2rem;
}

/* ========== Back to Top ========== */
.g630-back-to-top {
  position: fixed;
  bottom: calc(var(--g630-bottom-nav-height) + 20px);
  right: var(--g630-spacing-md);
  width: 48px;
  height: 48px;
  background: var(--g630-gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--g630-text-light);
  font-size: 2rem;
  box-shadow: 0 4px 12px rgba(75, 0, 130, 0.4);
  opacity: 0;
  visibility: hidden;
  transition: var(--g630-transition);
  z-index: 999;
}

.g630-back-to-top.g630-visible {
  opacity: 1;
  visibility: visible;
}

.g630-back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 16px rgba(75, 0, 130, 0.5);
}

@media (min-width: 769px) {
  .g630-back-to-top {
    bottom: var(--g630-spacing-md);
  }
}

/* ========== Utility Classes ========== */
.g630-text-center {
  text-align: center;
}

.g630-text-primary {
  color: var(--g630-primary);
}

.g630-text-accent {
  color: var(--g630-accent);
}

.g630-mt-sm { margin-top: var(--g630-spacing-sm); }
.g630-mt-md { margin-top: var(--g630-spacing-md); }
.g630-mt-lg { margin-top: var(--g630-spacing-lg); }
.g630-mb-sm { margin-bottom: var(--g630-spacing-sm); }
.g630-mb-md { margin-bottom: var(--g630-spacing-md); }
.g630-mb-lg { margin-bottom: var(--g630-spacing-lg); }

/* ========== Responsive Adjustments ========== */
@media (max-width: 375px) {
  .g630-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .g630-logo {
    font-size: 1.8rem;
  }

  .g630-btn-login,
  .g630-btn-register {
    padding: 0.5rem 1rem;
    font-size: 1.2rem;
  }
}

@media (min-width: 431px) {
  .g630-header-container,
  .g630-container,
  .g630-footer-content {
    max-width: 100%;
    padding: 0 var(--g630-spacing-lg);
  }

  .g630-game-grid {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
}