/* PH678 Stylesheet - All classes use prefix "v6ab-" */
/* Color Palette: #AD1457 (crimson), #1A1A2E (dark navy), #FFB6C1 (light pink), #4682B4 (steel blue) */

:root {
  --v6ab-primary: #AD1457;
  --v6ab-bg: #1A1A2E;
  --v6ab-text-light: #FFB6C1;
  --v6ab-accent: #4682B4;
  --v6ab-bg-dark: #0F0F1A;
  --v6ab-bg-card: #252540;
  --v6ab-white: #FFFFFF;
  --v6ab-gold: #FFD700;
  --v6ab-border: #3A3A5C;
  --v6ab-text: #E0E0E0;
  --v6ab-radius: 1.2rem;
  --v6ab-shadow: 0 0.4rem 1.2rem rgba(0,0,0,0.3);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  background: var(--v6ab-bg);
  color: var(--v6ab-text);
  line-height: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }

/* ========== Header ========== */
.v6ab-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: var(--v6ab-bg-dark);
  border-bottom: 0.2rem solid var(--v6ab-primary);
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 5.6rem;
}

.v6ab-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.v6ab-logo img {
  width: 3.2rem;
  height: 3.2rem;
  border-radius: 0.6rem;
}

.v6ab-logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--v6ab-gold);
  letter-spacing: 0.05rem;
}

.v6ab-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.v6ab-btn-register, .v6ab-btn-login {
  padding: 0.6rem 1.4rem;
  border-radius: 2rem;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.v6ab-btn-register {
  background: linear-gradient(135deg, var(--v6ab-primary), #D81B60);
  color: var(--v6ab-white);
  box-shadow: 0 0.2rem 0.8rem rgba(173,20,87,0.4);
}

.v6ab-btn-register:hover { transform: scale(1.05); }

.v6ab-btn-login {
  background: transparent;
  color: var(--v6ab-text-light);
  border: 0.15rem solid var(--v6ab-accent);
}

.v6ab-btn-login:hover { background: var(--v6ab-accent); color: var(--v6ab-white); }

.v6ab-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--v6ab-white);
  font-size: 2.4rem;
  cursor: pointer;
  padding: 0.4rem;
}

@media (max-width: 768px) {
  .v6ab-hamburger { display: block; }
}

/* ========== Mobile Menu ========== */
.v6ab-menu-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.v6ab-overlay-active { opacity: 1; pointer-events: all; }

.v6ab-mobile-menu {
  position: fixed;
  top: 0; right: -80%;
  width: 75%;
  max-width: 300px;
  height: 100%;
  background: var(--v6ab-bg-dark);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem;
  border-left: 0.2rem solid var(--v6ab-primary);
}

.v6ab-menu-active { right: 0; }

.v6ab-menu-close {
  background: none;
  border: none;
  color: var(--v6ab-white);
  font-size: 2.4rem;
  cursor: pointer;
  position: absolute;
  top: 1rem; right: 1rem;
}

.v6ab-menu-list {
  margin-top: 3rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.v6ab-menu-link {
  display: block;
  padding: 1.2rem 1rem;
  color: var(--v6ab-text);
  font-size: 1.4rem;
  border-radius: 0.8rem;
  transition: all 0.2s ease;
}

.v6ab-menu-link:hover {
  background: var(--v6ab-bg-card);
  color: var(--v6ab-gold);
}

/* ========== Main Content ========== */
.v6ab-main {
  padding-top: 5.6rem;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .v6ab-main { padding-bottom: 8rem; }
}

.v6ab-container {
  width: 100%;
  padding: 0 1rem;
}

/* ========== Carousel ========== */
.v6ab-carousel {
  position: relative;
  overflow: hidden;
  margin-top: 0.4rem;
  border-radius: 0 0 var(--v6ab-radius) var(--v6ab-radius);
}

.v6ab-carousel-track {
  display: flex;
  transition: transform 0.5s ease;
}

.v6ab-carousel-slide {
  min-width: 100%;
  display: none;
  cursor: pointer;
}

.v6ab-slide-active { display: block; }

.v6ab-carousel-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 430/200;
  object-fit: cover;
}

.v6ab-carousel-dots {
  position: absolute;
  bottom: 0.8rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
}

.v6ab-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: background 0.3s;
}

.v6ab-dot-active { background: var(--v6ab-primary); }

/* ========== Sections ========== */
.v6ab-section {
  padding: 2rem 1rem;
}

.v6ab-section-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--v6ab-white);
  margin-bottom: 1.2rem;
  padding-left: 1rem;
  border-left: 0.4rem solid var(--v6ab-primary);
}

.v6ab-section-subtitle {
  font-size: 1.3rem;
  color: var(--v6ab-text-light);
  margin-bottom: 1rem;
}

/* ========== Game Grid ========== */
.v6ab-category-label {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--v6ab-gold);
  margin: 1.5rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
}

.v6ab-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

.v6ab-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s ease;
  border-radius: 0.8rem;
  padding: 0.4rem;
  background: var(--v6ab-bg-card);
}

.v6ab-game-item:hover { transform: scale(1.05); }

.v6ab-game-item img {
  width: 100%;
  aspect-ratio: 1/1;
  border-radius: 0.6rem;
  object-fit: cover;
}

.v6ab-game-name {
  font-size: 1rem;
  color: var(--v6ab-text);
  margin-top: 0.3rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* ========== Content Cards ========== */
.v6ab-card {
  background: var(--v6ab-bg-card);
  border-radius: var(--v6ab-radius);
  padding: 1.5rem;
  margin-bottom: 1.2rem;
  border: 0.1rem solid var(--v6ab-border);
}

.v6ab-card h3 {
  font-size: 1.5rem;
  color: var(--v6ab-white);
  margin-bottom: 0.8rem;
}

.v6ab-card p {
  font-size: 1.3rem;
  color: var(--v6ab-text);
  line-height: 1.8;
}

.v6ab-card-link {
  color: var(--v6ab-text-light);
  font-weight: 700;
  font-size: 1.3rem;
  cursor: pointer;
  transition: color 0.2s;
}

.v6ab-card-link:hover { color: var(--v6ab-gold); }

/* ========== Promo Banner ========== */
.v6ab-promo-banner {
  background: linear-gradient(135deg, var(--v6ab-primary), #880E4F);
  border-radius: var(--v6ab-radius);
  padding: 1.5rem;
  text-align: center;
  margin: 1.5rem 1rem;
}

.v6ab-promo-banner h2 {
  color: var(--v6ab-gold);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.v6ab-promo-banner p {
  color: var(--v6ab-white);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.v6ab-promo-btn {
  display: inline-block;
  background: var(--v6ab-gold);
  color: var(--v6ab-bg-dark);
  font-weight: 800;
  font-size: 1.4rem;
  padding: 0.8rem 2.4rem;
  border-radius: 2.5rem;
  cursor: pointer;
  border: none;
  transition: all 0.2s ease;
}

.v6ab-promo-btn:hover { transform: scale(1.05); box-shadow: 0 0.4rem 1rem rgba(255,215,0,0.3); }

/* ========== Footer ========== */
.v6ab-footer {
  background: var(--v6ab-bg-dark);
  padding: 2rem 1rem 1rem;
  border-top: 0.2rem solid var(--v6ab-primary);
}

.v6ab-footer-desc {
  font-size: 1.2rem;
  color: var(--v6ab-text);
  line-height: 1.6;
  margin-bottom: 1.2rem;
  text-align: center;
}

.v6ab-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.v6ab-footer-link {
  padding: 0.5rem 1rem;
  background: var(--v6ab-bg-card);
  border-radius: 2rem;
  font-size: 1.1rem;
  color: var(--v6ab-text-light);
  cursor: pointer;
  transition: all 0.2s;
}

.v6ab-footer-link:hover { background: var(--v6ab-primary); color: var(--v6ab-white); }

.v6ab-footer-copy {
  text-align: center;
  font-size: 1.1rem;
  color: #888;
  padding-top: 0.8rem;
  border-top: 0.1rem solid var(--v6ab-border);
}

/* ========== Bottom Navigation ========== */
.v6ab-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 6rem;
  background: var(--v6ab-bg-dark);
  border-top: 0.2rem solid var(--v6ab-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -0.2rem 1rem rgba(0,0,0,0.5);
}

@media (min-width: 769px) {
  .v6ab-bottom-nav { display: none; }
}

.v6ab-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 6rem;
  min-height: 5rem;
  background: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--v6ab-text);
  position: relative;
}

.v6ab-nav-btn:hover { color: var(--v6ab-primary); transform: scale(1.1); }

.v6ab-nav-btn.v6ab-nav-active { color: var(--v6ab-primary); }

.v6ab-nav-btn .v6ab-nav-icon { font-size: 2.2rem; line-height: 1; }
.v6ab-nav-btn .v6ab-nav-label { font-size: 1rem; margin-top: 0.2rem; }

/* ========== Animations ========== */
.v6ab-animate {
  opacity: 0;
  transform: translateY(2rem);
  transition: all 0.5s ease;
}

.v6ab-animated {
  opacity: 1;
  transform: translateY(0);
}

.v6ab-touch-active {
  opacity: 0.85;
  transform: scale(0.97);
}

/* ========== Utility ========== */
.v6ab-text-center { text-align: center; }
.v6ab-mt-1 { margin-top: 1rem; }
.v6ab-mt-2 { margin-top: 2rem; }
.v6ab-mb-1 { margin-bottom: 1rem; }
.v6ab-mb-2 { margin-bottom: 2rem; }
.v6ab-hidden { display: none; }

/* ========== Responsive Desktop ========== */
@media (min-width: 769px) {
  body { max-width: 430px; }
  .v6ab-main { padding-bottom: 0; }
}

/* ========== Back to Top ========== */
.v6ab-back-top {
  position: fixed;
  bottom: 7rem;
  right: 1.5rem;
  width: 4rem;
  height: 4rem;
  background: var(--v6ab-primary);
  color: var(--v6ab-white);
  border: none;
  border-radius: 50%;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--v6ab-shadow);
  transition: all 0.2s;
}

.v6ab-back-top:hover { transform: scale(1.1); }

/* ========== Help Page Styles ========== */
.v6ab-help-content {
  padding: 1.5rem 1rem;
}

.v6ab-help-content h2 {
  font-size: 1.6rem;
  color: var(--v6ab-white);
  margin: 1.5rem 0 0.8rem;
  padding-left: 0.8rem;
  border-left: 0.3rem solid var(--v6ab-primary);
}

.v6ab-help-content h3 {
  font-size: 1.4rem;
  color: var(--v6ab-text-light);
  margin: 1.2rem 0 0.6rem;
}

.v6ab-help-content p {
  font-size: 1.3rem;
  color: var(--v6ab-text);
  line-height: 1.8;
  margin-bottom: 0.8rem;
}

.v6ab-help-content ul {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.v6ab-help-content li {
  font-size: 1.3rem;
  color: var(--v6ab-text);
  line-height: 1.8;
  list-style: disc;
}

.v6ab-faq-item {
  background: var(--v6ab-bg-card);
  border-radius: 0.8rem;
  padding: 1.2rem;
  margin-bottom: 0.8rem;
  border: 0.1rem solid var(--v6ab-border);
}

.v6ab-faq-q {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--v6ab-gold);
  margin-bottom: 0.5rem;
}

.v6ab-faq-a {
  font-size: 1.3rem;
  color: var(--v6ab-text);
  line-height: 1.7;
}

.v6ab-inline-link {
  color: var(--v6ab-text-light);
  font-weight: 600;
  cursor: pointer;
  border-bottom: 0.1rem dashed var(--v6ab-primary);
  transition: color 0.2s;
}

.v6ab-inline-link:hover { color: var(--v6ab-gold); }