/**
 * layout-4c3b.css - Core Stylesheet for xx999 app
 * All classes use prefix "pg4c-" for namespace isolation
 * Code comments in English
 */

/* === CSS Variables === */
:root {
  --pg4c-primary: #BAE1FF;
  --pg4c-secondary: #C9C9FF;
  --pg4c-bg-dark: #2C3E50;
  --pg4c-bg-deep: #1a2632;
  --pg4c-accent: #BAFFC9;
  --pg4c-text-light: #f0f4f8;
  --pg4c-text-muted: #a0b4c8;
  --pg4c-border: rgba(186, 225, 255, 0.15);
  --pg4c-glow: rgba(186, 255, 201, 0.25);
  --pg4c-radius: 10px;
  --pg4c-radius-lg: 16px;
  --pg4c-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* === Reset & Base === */
html {
  font-size: 62.5%;
  scroll-behavior: smooth;
}

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

body {
  font-family: 'Segoe UI', 'Noto Sans Bengali', Tahoma, sans-serif;
  background: var(--pg4c-bg-dark);
  color: var(--pg4c-text-light);
  line-height: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  -webkit-tap-highlight-color: transparent;
}

a {
  color: var(--pg4c-primary);
  text-decoration: none;
}

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

/* === Layout Container === */
.pg4c-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
}

.pg4c-container {
  padding: 0 1.2rem;
}

.pg4c-main {
  padding-top: 5.6rem;
  padding-bottom: 2rem;
}

/* === Top Header === */
.pg4c-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 5.6rem;
  background: linear-gradient(135deg, var(--pg4c-bg-deep) 0%, #1e3348 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  z-index: 1000;
  border-bottom: 1px solid var(--pg4c-border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.pg4c-logo-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
}

.pg4c-logo-area img {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 6px;
}

.pg4c-logo-area span {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pg4c-primary);
  letter-spacing: 0.5px;
}

.pg4c-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pg4c-btn-register,
.pg4c-btn-login {
  padding: 0.5rem 1.2rem;
  border: none;
  border-radius: 20px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.pg4c-btn-register {
  background: linear-gradient(135deg, var(--pg4c-accent), #7dffb3);
  color: var(--pg4c-bg-deep);
}

.pg4c-btn-register:hover {
  transform: scale(1.05);
  box-shadow: 0 0 12px var(--pg4c-glow);
}

.pg4c-btn-login {
  background: transparent;
  color: var(--pg4c-primary);
  border: 1px solid var(--pg4c-primary);
}

.pg4c-btn-login:hover {
  background: rgba(186, 225, 255, 0.1);
}

.pg4c-menu-toggle {
  background: none;
  border: none;
  color: var(--pg4c-text-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
  line-height: 1;
}

/* === Mobile Menu === */
.pg4c-mobile-menu {
  display: none;
  position: fixed;
  top: 5.6rem;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  background: var(--pg4c-bg-deep);
  border-bottom: 1px solid var(--pg4c-border);
  z-index: 9999;
  padding: 1rem 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
}

.pg4c-mobile-menu a {
  display: block;
  padding: 1rem 1.6rem;
  color: var(--pg4c-text-light);
  font-size: 1.4rem;
  transition: background 0.2s;
  border-bottom: 1px solid var(--pg4c-border);
}

.pg4c-mobile-menu a:hover {
  background: rgba(186, 225, 255, 0.08);
  color: var(--pg4c-primary);
}

/* === Carousel/Slider === */
.pg4c-slider {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0 0 var(--pg4c-radius) var(--pg4c-radius);
}

.pg4c-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}

.pg4c-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16/7;
  object-fit: cover;
}

.pg4c-slider-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.pg4c-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: background 0.3s;
}

.pg4c-dot.pg4c-dot-active {
  background: var(--pg4c-accent);
  width: 20px;
  border-radius: 4px;
}

/* === Section Styling === */
.pg4c-section {
  padding: 1.6rem 1.2rem;
}

.pg4c-section-title {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--pg4c-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--pg4c-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.pg4c-section-title i {
  font-size: 1.6rem;
  color: var(--pg4c-accent);
}

/* === Game Grid === */
.pg4c-category-label {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--pg4c-secondary);
  margin: 1.2rem 0 0.6rem;
  padding-left: 0.4rem;
  border-left: 3px solid var(--pg4c-accent);
}

.pg4c-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

.pg4c-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform 0.2s;
  padding: 0.4rem;
  border-radius: var(--pg4c-radius);
}

.pg4c-game-item:hover {
  transform: scale(1.05);
  background: rgba(186, 225, 255, 0.06);
}

.pg4c-game-item img {
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--pg4c-border);
}

.pg4c-game-item span {
  font-size: 1rem;
  text-align: center;
  margin-top: 0.3rem;
  color: var(--pg4c-text-muted);
  line-height: 1.2rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 100%;
}

/* === Content Cards === */
.pg4c-card {
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.9), rgba(26, 38, 50, 0.95));
  border: 1px solid var(--pg4c-border);
  border-radius: var(--pg4c-radius-lg);
  padding: 1.4rem;
  margin-bottom: 1.2rem;
}

.pg4c-card h3 {
  font-size: 1.4rem;
  color: var(--pg4c-primary);
  margin-bottom: 0.6rem;
}

.pg4c-card p {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  line-height: 1.6rem;
}

/* === Promo Link Styling === */
.pg4c-promo-link {
  display: inline-block;
  color: var(--pg4c-accent);
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s;
  text-decoration: underline;
}

.pg4c-promo-link:hover {
  color: #fff;
}

.pg4c-promo-btn {
  display: inline-block;
  padding: 0.8rem 2rem;
  background: linear-gradient(135deg, var(--pg4c-accent), #7dffb3);
  color: var(--pg4c-bg-deep);
  font-size: 1.3rem;
  font-weight: 700;
  border: none;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.pg4c-promo-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 16px var(--pg4c-glow);
}

/* === FAQ === */
.pg4c-faq-item {
  border-bottom: 1px solid var(--pg4c-border);
  padding: 0.8rem 0;
}

.pg4c-faq-item h4 {
  font-size: 1.3rem;
  color: var(--pg4c-secondary);
  margin-bottom: 0.4rem;
}

.pg4c-faq-item p {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  line-height: 1.6rem;
}

/* === Testimonials === */
.pg4c-testimonial {
  background: rgba(186, 225, 255, 0.06);
  border-radius: var(--pg4c-radius);
  padding: 1rem;
  margin-bottom: 0.8rem;
  border-left: 3px solid var(--pg4c-accent);
}

.pg4c-testimonial .pg4c-t-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--pg4c-primary);
}

.pg4c-testimonial .pg4c-t-text {
  font-size: 1.1rem;
  color: var(--pg4c-text-muted);
  margin-top: 0.3rem;
}

/* === Winner Showcase === */
.pg4c-winner-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--pg4c-border);
  font-size: 1.1rem;
}

.pg4c-winner-row .pg4c-w-name {
  color: var(--pg4c-primary);
  font-weight: 600;
}

.pg4c-winner-row .pg4c-w-amount {
  color: var(--pg4c-accent);
  font-weight: 700;
}

/* === Payment Icons === */
.pg4c-payment-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  padding: 0.8rem 0;
}

.pg4c-payment-row span {
  background: rgba(186, 225, 255, 0.08);
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-size: 1.1rem;
  color: var(--pg4c-text-muted);
  border: 1px solid var(--pg4c-border);
}

/* === Footer === */
.pg4c-footer {
  background: var(--pg4c-bg-deep);
  padding: 2rem 1.2rem 1.5rem;
  border-top: 1px solid var(--pg4c-border);
  text-align: center;
}

.pg4c-footer-brand {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  margin-bottom: 1rem;
  line-height: 1.6rem;
}

.pg4c-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin-bottom: 1rem;
}

.pg4c-footer-links a {
  font-size: 1.1rem;
  color: var(--pg4c-primary);
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  transition: background 0.2s;
}

.pg4c-footer-links a:hover {
  background: rgba(186, 225, 255, 0.08);
}

.pg4c-footer-copy {
  font-size: 1rem;
  color: var(--pg4c-text-muted);
  opacity: 0.7;
  padding-top: 0.8rem;
  border-top: 1px solid var(--pg4c-border);
}

/* === Bottom Navigation === */
.pg4c-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: linear-gradient(180deg, var(--pg4c-bg-deep), #0f1921);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  border-top: 1px solid var(--pg4c-border);
  box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.4);
}

.pg4c-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 56px;
  background: none;
  border: none;
  color: var(--pg4c-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0.4rem;
  border-radius: 8px;
}

.pg4c-bottom-nav-btn i,
.pg4c-bottom-nav-btn .material-icons {
  font-size: 22px;
  margin-bottom: 2px;
  transition: transform 0.2s;
}

.pg4c-bottom-nav-btn span {
  font-size: 1rem;
  line-height: 1;
}

.pg4c-bottom-nav-btn:hover {
  color: var(--pg4c-accent);
  background: rgba(186, 255, 201, 0.08);
}

.pg4c-bottom-nav-btn:hover i,
.pg4c-bottom-nav-btn:hover .material-icons {
  transform: scale(1.15);
}

.pg4c-bottom-nav-btn.pg4c-nav-active {
  color: var(--pg4c-accent);
}

.pg4c-bottom-nav-btn.pg4c-nav-active i,
.pg4c-bottom-nav-btn.pg4c-nav-active .material-icons {
  color: var(--pg4c-accent);
}

/* === Responsive === */
@media (min-width: 769px) {
  .pg4c-bottom-nav {
    display: none;
  }
  .pg4c-menu-toggle {
    display: none;
  }
}

@media (max-width: 768px) {
  .pg4c-main {
    padding-bottom: 80px;
  }
}

/* === Utility Classes === */
.pg4c-text-center { text-align: center; }
.pg4c-text-accent { color: var(--pg4c-accent); }
.pg4c-text-primary { color: var(--pg4c-primary); }
.pg4c-mt-1 { margin-top: 0.8rem; }
.pg4c-mt-2 { margin-top: 1.6rem; }
.pg4c-mb-1 { margin-bottom: 0.8rem; }
.pg4c-mb-2 { margin-bottom: 1.6rem; }
.pg4c-hidden { display: none; }

/* === RTP Table === */
.pg4c-rtp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 1.1rem;
}

.pg4c-rtp-table th {
  background: rgba(186, 225, 255, 0.1);
  color: var(--pg4c-primary);
  padding: 0.6rem;
  text-align: left;
  font-size: 1.1rem;
}

.pg4c-rtp-table td {
  padding: 0.5rem 0.6rem;
  border-bottom: 1px solid var(--pg4c-border);
  color: var(--pg4c-text-muted);
}

.pg4c-rtp-table tr:hover td {
  background: rgba(186, 225, 255, 0.04);
}

/* === Badge === */
.pg4c-badge {
  display: inline-block;
  background: var(--pg4c-accent);
  color: var(--pg4c-bg-deep);
  font-size: 1rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* === CTA Section === */
.pg4c-cta-section {
  background: linear-gradient(135deg, rgba(186, 255, 201, 0.1), rgba(201, 201, 255, 0.1));
  border-radius: var(--pg4c-radius-lg);
  padding: 1.6rem;
  text-align: center;
  border: 1px solid var(--pg4c-border);
  margin: 1.2rem 0;
}

.pg4c-cta-section h3 {
  font-size: 1.5rem;
  color: var(--pg4c-primary);
  margin-bottom: 0.6rem;
}

.pg4c-cta-section p {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  margin-bottom: 1rem;
}

/* === Help Page === */
.pg4c-help-content {
  padding: 1.4rem 1.2rem;
}

.pg4c-help-content h2 {
  font-size: 1.5rem;
  color: var(--pg4c-primary);
  margin: 1.4rem 0 0.6rem;
}

.pg4c-help-content h3 {
  font-size: 1.3rem;
  color: var(--pg4c-secondary);
  margin: 1rem 0 0.4rem;
}

.pg4c-help-content p {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  line-height: 1.6rem;
  margin-bottom: 0.6rem;
}

.pg4c-help-content ol,
.pg4c-help-content ul {
  padding-left: 1.6rem;
  margin-bottom: 0.8rem;
}

.pg4c-help-content li {
  font-size: 1.2rem;
  color: var(--pg4c-text-muted);
  line-height: 1.6rem;
  margin-bottom: 0.3rem;
}