/**
 * kinh.click - Main Stylesheet
 * All classes use 'w8aab-' prefix to avoid conflicts
 * Mobile-first responsive design
 * @version 1.0.0
 */

/* CSS Reset & 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;
  background-color: #2D2D2D;
  color: #ffffff;
  overflow-x: hidden;
}

/* CSS Variables */
:root {
  --w8aab-primary: #80CBC4;
  --w8aab-secondary: #00B8D4;
  --w8aab-bg: #2D2D2D;
  --w8aab-bg-light: #3D3D3D;
  --w8aab-bg-dark: #1D1D1D;
  --w8aab-text: #ffffff;
  --w8aab-text-muted: #b0b0b0;
  --w8aab-border: #404040;
  --w8aab-shadow: rgba(0, 184, 212, 0.2);
  --w8aab-gradient: linear-gradient(135deg, #80CBC4 0%, #00B8D4 100%);
}

/* Container */
.w8aab-container {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.w8aab-wrapper {
  min-height: 100vh;
  padding-bottom: 80px;
}

/* Header */
.w8aab-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--w8aab-bg);
  border-bottom: 1px solid var(--w8aab-border);
  z-index: 1000;
  transition: transform 0.3s ease;
  padding: 1rem 0;
}

.w8aab-header-hidden {
  transform: translateY(-100%);
}

.w8aab-header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.w8aab-logo {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--w8aab-text);
  flex: 1;
}

.w8aab-logo-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
}

.w8aab-logo-text {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--w8aab-primary);
}

.w8aab-header-buttons {
  display: flex;
  gap: 0.8rem;
}

.w8aab-btn {
  padding: 0.6rem 1.2rem;
  font-size: 1.3rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.w8aab-btn-register {
  background: var(--w8aab-gradient);
  color: #ffffff;
}

.w8aab-btn-register:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px var(--w8aab-shadow);
}

.w8aab-btn-login {
  background-color: transparent;
  color: var(--w8aab-primary);
  border: 2px solid var(--w8aab-primary);
}

.w8aab-btn-login:hover {
  background-color: var(--w8aab-primary);
  color: #ffffff;
}

.w8aab-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--w8aab-text);
}

.w8aab-menu-toggle i {
  font-size: 2.4rem;
}

/* Mobile Menu */
.w8aab-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.w8aab-overlay-active {
  opacity: 1;
  visibility: visible;
}

.w8aab-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 280px;
  max-width: 80%;
  height: 100vh;
  background-color: var(--w8aab-bg);
  z-index: 9999;
  transition: right 0.3s ease;
  overflow-y: auto;
  padding: 2rem 0;
}

.w8aab-menu-open {
  right: 0;
}

.w8aab-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  margin-bottom: 2rem;
}

.w8aab-menu-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--w8aab-text);
  font-size: 2rem;
}

.w8aab-menu-links {
  list-style: none;
}

.w8aab-menu-links li {
  border-bottom: 1px solid var(--w8aab-border);
}

.w8aab-menu-links a {
  display: block;
  padding: 1.2rem 1.5rem;
  color: var(--w8aab-text);
  text-decoration: none;
  font-size: 1.5rem;
  transition: all 0.3s ease;
}

.w8aab-menu-links a:hover {
  background-color: var(--w8aab-bg-light);
  color: var(--w8aab-primary);
  padding-left: 2rem;
}

/* Main Content */
.w8aab-main {
  margin-top: 70px;
  padding: 2rem 0;
}

.w8aab-section {
  margin-bottom: 3rem;
}

.w8aab-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--w8aab-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

/* Carousel */
.w8aab-carousel {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 2rem;
}

.w8aab-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.w8aab-slide-active {
  opacity: 1;
}

.w8aab-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.w8aab-carousel-slide a {
  display: block;
  width: 100%;
  height: 100%;
}

/* Game Grid */
.w8aab-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.w8aab-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.w8aab-game-item:hover {
  transform: scale(1.05);
}

.w8aab-game-icon {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  background-color: var(--w8aab-bg-light);
}

.w8aab-game-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.w8aab-game-name {
  font-size: 1.1rem;
  color: var(--w8aab-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.w8aab-game-item a {
  text-decoration: none;
  display: block;
}

/* Cards */
.w8aab-card {
  background-color: var(--w8aab-bg-light);
  border-radius: 12px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  border: 1px solid var(--w8aab-border);
}

.w8aab-card-title {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--w8aab-primary);
  margin-bottom: 1rem;
}

.w8aab-card-content {
  font-size: 1.4rem;
  color: var(--w8aab-text-muted);
  line-height: 1.6;
}

/* Promotional Links */
.w8aab-promo-link {
  color: var(--w8aab-secondary);
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

.w8aab-promo-link:hover {
  color: var(--w8aab-primary);
  text-decoration: underline;
}

/* Bottom Navigation */
.w8aab-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, var(--w8aab-bg-light) 0%, var(--w8aab-bg) 100%);
  border-top: 2px solid var(--w8aab-primary);
  display: flex;
  justify-content: space-around;
  padding: 0.5rem 0;
  z-index: 1000;
  box-shadow: 0 -4px 20px var(--w8aab-shadow);
}

.w8aab-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 60px;
  text-decoration: none;
  color: var(--w8aab-text-muted);
  transition: all 0.3s ease;
  position: relative;
}

.w8aab-nav-item:hover {
  color: var(--w8aab-primary);
  transform: translateY(-2px);
}

.w8aab-nav-active {
  color: var(--w8aab-primary) !important;
}

.w8aab-nav-active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 30px;
  height: 3px;
  background: var(--w8aab-gradient);
  border-radius: 2px;
}

.w8aab-nav-icon {
  font-size: 2.2rem;
  margin-bottom: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.w8aab-nav-label {
  font-size: 1rem;
  font-weight: 500;
}

/* Footer */
.w8aab-footer {
  background-color: var(--w8aab-bg-dark);
  padding: 3rem 0 8rem;
  margin-top: 3rem;
  border-top: 1px solid var(--w8aab-border);
}

.w8aab-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  justify-content: center;
}

.w8aab-footer-link {
  color: var(--w8aab-text-muted);
  text-decoration: none;
  font-size: 1.3rem;
  transition: color 0.3s ease;
}

.w8aab-footer-link:hover {
  color: var(--w8aab-primary);
}

.w8aab-partners {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.w8aab-partner-logo {
  max-width: 60px;
  max-height: 30px;
  object-fit: contain;
}

.w8aab-copyright {
  text-align: center;
  color: var(--w8aab-text-muted);
  font-size: 1.2rem;
}

/* Desktop Styles */
@media (min-width: 769px) {
  .w8aab-bottom-nav {
    display: none;
  }

  .w8aab-wrapper {
    padding-bottom: 0;
  }

  .w8aab-main {
    margin-top: 80px;
  }
}

/* Utility Classes */
.w8aab-text-center {
  text-align: center;
}

.w8aab-mt-1 { margin-top: 1rem; }
.w8aab-mt-2 { margin-top: 2rem; }
.w8aab-mt-3 { margin-top: 3rem; }

.w8aab-mb-1 { margin-bottom: 1rem; }
.w8aab-mb-2 { margin-bottom: 2rem; }
.w8aab-mb-3 { margin-bottom: 3rem; }

.w8aab-p-1 { padding: 1rem; }
.w8aab-p-2 { padding: 2rem; }
.w8aab-p-3 { padding: 3rem; }

.w8aab-text-primary {
  color: var(--w8aab-primary);
}

.w8aab-text-secondary {
  color: var(--w8aab-secondary);
}