/* 7555 BD - Style Sheet */
/* All classes prefixed with g27f- for namespace isolation */
/* CSS variables use --g27f-* prefix */

:root {
  --g27f-bg-dark: #2C2C2C;
  --g27f-bg-darker: #1E1E1E;
  --g27f-bg-card: #353535;
  --g27f-bg-card-hover: #3D3D3D;
  --g27f-text-light: #E0F2F1;
  --g27f-text-muted: #A0B8B6;
  --g27f-accent: #E0FFFF;
  --g27f-accent-glow: rgba(224, 255, 255, 0.15);
  --g27f-accent-bright: #80FFFF;
  --g27f-border: #454545;
  --g27f-radius: 10px;
  --g27f-radius-lg: 14px;
  --g27f-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --g27f-transition: all 0.3s ease;
  --g27f-header-h: 56px;
  --g27f-bottom-h: 62px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Noto Sans Bengali', 'Segoe UI', Tahoma, sans-serif;
  background: var(--g27f-bg-dark);
  color: var(--g27f-text-light);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--g27f-accent); text-decoration: none; transition: var(--g27f-transition); }
a:hover { color: var(--g27f-accent-bright); }
img { max-width: 100%; height: auto; display: block; }

/* ===== HEADER ===== */
.g27f-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--g27f-header-h);
  background: var(--g27f-bg-darker);
  border-bottom: 1px solid var(--g27f-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
}

.g27f-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
}

.g27f-logo-img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  object-fit: cover;
}

.g27f-site-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--g27f-accent);
  letter-spacing: 0.5px;
}

.g27f-header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.g27f-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 14px;
  border-radius: var(--g27f-radius);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: var(--g27f-transition);
  white-space: nowrap;
}

.g27f-btn-register {
  background: linear-gradient(135deg, #E0FFFF, #80FFFF);
  color: #1E1E1E;
}

.g27f-btn-register:hover {
  background: linear-gradient(135deg, #80FFFF, #E0FFFF);
  transform: scale(1.05);
}

.g27f-btn-login {
  background: transparent;
  color: var(--g27f-accent);
  border: 1px solid var(--g27f-accent);
}

.g27f-btn-login:hover {
  background: var(--g27f-accent-glow);
}

.g27f-hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--g27f-accent);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

/* ===== MOBILE MENU ===== */
.g27f-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  z-index: 9998;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.g27f-overlay-active {
  opacity: 1;
  pointer-events: auto;
}

.g27f-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--g27f-bg-darker);
  z-index: 9999;
  overflow-y: auto;
  transition: right 0.3s ease;
  padding: 20px 0;
}

.g27f-menu-active {
  right: 0;
}

.g27f-menu-close {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 16px 16px;
}

.g27f-menu-close-btn {
  background: none;
  border: none;
  color: var(--g27f-text-muted);
  font-size: 28px;
  cursor: pointer;
}

.g27f-menu-links {
  list-style: none;
}

.g27f-menu-links li {
  border-bottom: 1px solid var(--g27f-border);
}

.g27f-menu-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  color: var(--g27f-text-light);
  font-size: 15px;
  transition: var(--g27f-transition);
}

.g27f-menu-links a:hover {
  background: var(--g27f-accent-glow);
  color: var(--g27f-accent);
}

.g27f-menu-links .material-icons {
  font-size: 20px;
  color: var(--g27f-accent);
}

/* ===== MAIN CONTENT ===== */
.g27f-main {
  margin-top: var(--g27f-header-h);
  max-width: 430px;
  margin-left: auto;
  margin-right: auto;
  padding-bottom: 0;
}

@media (max-width: 768px) {
  .g27f-main { padding-bottom: 80px; }
  .g27f-hamburger { display: block; }
}

@media (min-width: 769px) {
  .g27f-desktop-nav { display: flex; align-items: center; gap: 16px; }
  .g27f-desktop-nav a { color: var(--g27f-text-muted); font-size: 14px; }
  .g27f-desktop-nav a:hover { color: var(--g27f-accent); }
}

/* ===== CAROUSEL ===== */
.g27f-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0 0 var(--g27f-radius-lg) var(--g27f-radius-lg);
}

.g27f-carousel-track {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
}

.g27f-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.g27f-slide-active { opacity: 1; }

.g27f-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.g27f-carousel-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 5;
}

.g27f-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(224, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--g27f-transition);
}

.g27f-dot-active {
  background: var(--g27f-accent);
  width: 24px;
  border-radius: 4px;
}

/* ===== PROMO BANNER ===== */
.g27f-promo-banner {
  background: linear-gradient(135deg, #1a3a3a, #2C5C5C);
  border: 1px solid var(--g27f-border);
  border-radius: var(--g27f-radius-lg);
  padding: 16px;
  margin: 12px;
  text-align: center;
  cursor: pointer;
  transition: var(--g27f-transition);
}

.g27f-promo-banner:hover {
  border-color: var(--g27f-accent);
  box-shadow: 0 0 20px var(--g27f-accent-glow);
}

.g27f-promo-banner h2 {
  font-size: 20px;
  color: var(--g27f-accent);
  margin-bottom: 6px;
}

.g27f-promo-banner p {
  font-size: 13px;
  color: var(--g27f-text-muted);
}

/* ===== GAME SECTIONS ===== */
.g27f-section {
  padding: 16px 12px;
}

.g27f-section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--g27f-accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--g27f-border);
}

.g27f-section-title .material-icons,
.g27f-section-title .fas,
.g27f-section-title .bi {
  font-size: 22px;
}

/* ===== GAME GRID ===== */
.g27f-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.g27f-game-card {
  position: relative;
  border-radius: var(--g27f-radius);
  overflow: hidden;
  background: var(--g27f-bg-card);
  cursor: pointer;
  transition: var(--g27f-transition);
}

.g27f-game-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--g27f-shadow);
  background: var(--g27f-bg-card-hover);
}

.g27f-game-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
}

.g27f-game-card-name {
  padding: 4px 6px;
  font-size: 11px;
  text-align: center;
  color: var(--g27f-text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
}

/* ===== CATEGORY TABS ===== */
.g27f-category-tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 0 12px 12px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.g27f-category-tabs::-webkit-scrollbar { display: none; }

.g27f-cat-tab {
  flex-shrink: 0;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  background: var(--g27f-bg-card);
  color: var(--g27f-text-muted);
  border: 1px solid var(--g27f-border);
  cursor: pointer;
  transition: var(--g27f-transition);
  white-space: nowrap;
}

.g27f-cat-tab:hover,
.g27f-cat-tab.g27f-cat-active {
  background: linear-gradient(135deg, #1a3a3a, #2C5C5C);
  color: var(--g27f-accent);
  border-color: var(--g27f-accent);
}

/* ===== CONTENT BLOCKS ===== */
.g27f-content-block {
  background: var(--g27f-bg-card);
  border-radius: var(--g27f-radius-lg);
  padding: 18px;
  margin: 12px;
  border: 1px solid var(--g27f-border);
}

.g27f-content-block h3 {
  color: var(--g27f-accent);
  font-size: 16px;
  margin-bottom: 10px;
}

.g27f-content-block p {
  font-size: 14px;
  color: var(--g27f-text-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.g27f-content-block p:last-child { margin-bottom: 0; }

.g27f-content-block a {
  color: var(--g27f-accent-bright);
  text-decoration: underline;
}

/* ===== FEATURES LIST ===== */
.g27f-features-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px;
}

.g27f-feature-item {
  background: var(--g27f-bg-card);
  border-radius: var(--g27f-radius);
  padding: 14px;
  text-align: center;
  border: 1px solid var(--g27f-border);
  transition: var(--g27f-transition);
}

.g27f-feature-item:hover {
  border-color: var(--g27f-accent);
  box-shadow: 0 0 12px var(--g27f-accent-glow);
}

.g27f-feature-item .fas,
.g27f-feature-item .material-icons,
.g27f-feature-item .bi {
  font-size: 28px;
  color: var(--g27f-accent);
  margin-bottom: 8px;
}

.g27f-feature-item h4 {
  font-size: 13px;
  color: var(--g27f-text-light);
  margin-bottom: 4px;
}

.g27f-feature-item p {
  font-size: 11px;
  color: var(--g27f-text-muted);
}

/* ===== SCROLL TO TOP ===== */
.g27f-scroll-top {
  position: fixed;
  bottom: 80px;
  right: 16px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, #1a3a3a, #2C5C5C);
  color: var(--g27f-accent);
  border: 1px solid var(--g27f-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 500;
  opacity: 0;
  pointer-events: none;
  transition: var(--g27f-transition);
  font-size: 20px;
}

.g27f-scroll-visible {
  opacity: 1;
  pointer-events: auto;
}

.g27f-scroll-top:hover {
  background: var(--g27f-accent);
  color: var(--g27f-bg-darker);
}

/* ===== BOTTOM NAV ===== */
.g27f-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--g27f-bottom-h);
  background: var(--g27f-bg-darker);
  border-top: 1px solid var(--g27f-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  padding: 0 4px;
}

.g27f-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 54px;
  background: none;
  border: none;
  cursor: pointer;
  transition: var(--g27f-transition);
  padding: 4px 0;
  position: relative;
}

.g27f-nav-btn::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--g27f-accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.g27f-nav-btn:hover::after,
.g27f-nav-btn.g27f-nav-active::after {
  width: 30px;
}

.g27f-nav-btn .fas,
.g27f-nav-btn .material-icons,
.g27f-nav-btn .bi,
.g27f-nav-btn ion-icon {
  font-size: 22px;
  color: var(--g27f-text-muted);
  transition: var(--g27f-transition);
}

.g27f-nav-btn:hover .fas,
.g27f-nav-btn:hover .material-icons,
.g27f-nav-btn:hover .bi,
.g27f-nav-btn:hover ion-icon,
.g27f-nav-btn.g27f-nav-active .fas,
.g27f-nav-btn.g27f-nav-active .material-icons,
.g27f-nav-btn.g27f-nav-active .bi,
.g27f-nav-btn.g27f-nav-active ion-icon {
  color: var(--g27f-accent);
  transform: scale(1.15);
}

.g27f-nav-label {
  font-size: 10px;
  color: var(--g27f-text-muted);
  margin-top: 2px;
  transition: var(--g27f-transition);
}

.g27f-nav-btn:hover .g27f-nav-label,
.g27f-nav-btn.g27f-nav-active .g27f-nav-label {
  color: var(--g27f-accent);
}

@media (min-width: 769px) {
  .g27f-bottom-nav { display: none; }
}

/* ===== FOOTER ===== */
.g27f-footer {
  background: var(--g27f-bg-darker);
  border-top: 1px solid var(--g27f-border);
  padding: 24px 16px 20px;
  max-width: 430px;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .g27f-footer { padding-bottom: 80px; }
}

.g27f-footer-brand {
  text-align: center;
  margin-bottom: 20px;
}

.g27f-footer-brand img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  margin: 0 auto 8px;
}

.g27f-footer-brand h3 {
  font-size: 18px;
  color: var(--g27f-accent);
  margin-bottom: 6px;
}

.g27f-footer-brand p {
  font-size: 13px;
  color: var(--g27f-text-muted);
  line-height: 1.6;
}

.g27f-footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 20px;
}

.g27f-footer-links a {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--g27f-text-muted);
  padding: 6px 0;
}

.g27f-footer-links a:hover { color: var(--g27f-accent); }

.g27f-footer-partners {
  text-align: center;
  padding: 16px 0;
  border-top: 1px solid var(--g27f-border);
  margin-bottom: 16px;
}

.g27f-footer-partners p {
  font-size: 12px;
  color: var(--g27f-text-muted);
  margin-bottom: 8px;
}

.g27f-partner-logos {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.g27f-partner-logos span {
  font-size: 11px;
  color: var(--g27f-text-muted);
  background: var(--g27f-bg-card);
  padding: 4px 10px;
  border-radius: 4px;
}

.g27f-copyright {
  text-align: center;
  font-size: 12px;
  color: var(--g27f-text-muted);
  border-top: 1px solid var(--g27f-border);
  padding-top: 16px;
}

/* ===== HELP PAGES ===== */
.g27f-help-hero {
  background: linear-gradient(135deg, #1a3a3a, #2C5C5C);
  padding: 32px 16px;
  text-align: center;
  border-bottom: 2px solid var(--g27f-accent);
}

.g27f-help-hero h1 {
  font-size: 22px;
  color: var(--g27f-accent);
  margin-bottom: 8px;
}

.g27f-help-hero p {
  font-size: 14px;
  color: var(--g27f-text-muted);
}

.g27f-help-content {
  padding: 16px 12px;
}

.g27f-help-section {
  background: var(--g27f-bg-card);
  border-radius: var(--g27f-radius-lg);
  padding: 18px;
  margin-bottom: 14px;
  border: 1px solid var(--g27f-border);
}

.g27f-help-section h2 {
  font-size: 17px;
  color: var(--g27f-accent);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.g27f-help-section h3 {
  font-size: 15px;
  color: var(--g27f-text-light);
  margin: 12px 0 8px;
}

.g27f-help-section p {
  font-size: 14px;
  color: var(--g27f-text-muted);
  line-height: 1.7;
  margin-bottom: 10px;
}

.g27f-help-section ul,
.g27f-help-section ol {
  padding-left: 20px;
  margin-bottom: 10px;
}

.g27f-help-section li {
  font-size: 14px;
  color: var(--g27f-text-muted);
  line-height: 1.7;
  margin-bottom: 6px;
}

.g27f-cta-box {
  background: linear-gradient(135deg, #1a3a3a, #2C5C5C);
  border: 1px solid var(--g27f-accent);
  border-radius: var(--g27f-radius-lg);
  padding: 18px;
  text-align: center;
  margin: 16px 12px;
  cursor: pointer;
  transition: var(--g27f-transition);
}

.g27f-cta-box:hover {
  box-shadow: 0 0 25px var(--g27f-accent-glow);
}

.g27f-cta-box h3 {
  font-size: 18px;
  color: var(--g27f-accent);
  margin-bottom: 8px;
}

.g27f-cta-box p {
  font-size: 14px;
  color: var(--g27f-text-muted);
}

/* ===== INTERNAL LINKS IN CONTENT ===== */
.g27f-inline-link {
  color: var(--g27f-accent-bright);
  text-decoration: underline;
  cursor: pointer;
}

.g27f-inline-link:hover {
  color: var(--g27f-accent);
}

/* ===== RESPONSIVE FINE-TUNING ===== */
@media (max-width: 360px) {
  .g27f-game-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .g27f-site-name { font-size: 16px; }
}