/**
 * FB005 Core Stylesheet
 * Prefix: gd1b-
 * Color palette: #141414, #0097A7, #FFB6C1, #FA8072, #00695C
 * Mobile-first design, max-width: 430px
 */

/* Root variables */
:root {
  --gd1b-bg: #141414;
  --gd1b-bg-alt: #1a1a2e;
  --gd1b-bg-card: #1e1e32;
  --gd1b-primary: #0097A7;
  --gd1b-primary-dark: #00695C;
  --gd1b-accent: #FFB6C1;
  --gd1b-accent-warm: #FA8072;
  --gd1b-text: #f0f0f0;
  --gd1b-text-muted: #a0a0b0;
  --gd1b-border: #2a2a40;
  --gd1b-gradient: linear-gradient(135deg, #0097A7, #00695C);
  --gd1b-gradient-warm: linear-gradient(135deg, #FA8072, #FFB6C1);
  --gd1b-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
  --gd1b-radius: 8px;
  --gd1b-radius-lg: 12px;
  --gd1b-transition: all 0.3s ease;
}

/* Reset and base */
* {
  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;
  background-color: var(--gd1b-bg);
  color: var(--gd1b-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  max-width: 430px;
  margin: 0 auto;
}

a {
  color: var(--gd1b-primary);
  text-decoration: none;
  transition: var(--gd1b-transition);
}

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

/* Container */
.gd1b-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* Header */
.gd1b-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(20,20,20,0.98) 0%, rgba(20,20,20,0.92) 100%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gd1b-border);
  padding: 0.8rem 1.2rem;
}

.gd1b-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.4rem;
}

.gd1b-logo-area {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.gd1b-logo-area img {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.6rem;
}

.gd1b-logo-area span {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gd1b-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 0.5px;
}

.gd1b-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gd1b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.4rem;
  border-radius: var(--gd1b-radius);
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--gd1b-transition);
  min-height: 3.6rem;
  text-decoration: none;
}

.gd1b-btn-register {
  background: var(--gd1b-gradient-warm);
  color: #141414;
}

.gd1b-btn-register:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(250,128,114,0.4);
}

.gd1b-btn-login {
  background: transparent;
  color: var(--gd1b-primary);
  border: 1.5px solid var(--gd1b-primary);
}

.gd1b-btn-login:hover {
  background: var(--gd1b-primary);
  color: var(--gd1b-bg);
}

.gd1b-menu-toggle {
  background: none;
  border: none;
  color: var(--gd1b-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 0.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile menu */
.gd1b-mobile-menu {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 340px;
  height: 100vh;
  background: var(--gd1b-bg-alt);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.6rem;
  overflow-y: auto;
}

.gd1b-menu-active {
  right: 0;
}

.gd1b-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: var(--gd1b-transition);
}

.gd1b-overlay-active {
  opacity: 1;
  visibility: visible;
}

.gd1b-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--gd1b-border);
}

.gd1b-menu-header span {
  font-size: 1.8rem;
  font-weight: 800;
  background: var(--gd1b-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gd1b-menu-close {
  background: none;
  border: none;
  color: var(--gd1b-text-muted);
  font-size: 2rem;
  cursor: pointer;
}

.gd1b-menu-links {
  list-style: none;
}

.gd1b-menu-links li {
  border-bottom: 1px solid var(--gd1b-border);
}

.gd1b-menu-links a {
  display: block;
  padding: 1.2rem 0;
  color: var(--gd1b-text);
  font-size: 1.4rem;
  font-weight: 500;
  transition: var(--gd1b-transition);
}

.gd1b-menu-links a:hover {
  color: var(--gd1b-primary);
  padding-left: 0.8rem;
}

/* Carousel */
.gd1b-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: var(--gd1b-radius-lg);
  margin-top: 6rem;
}

.gd1b-carousel-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}

.gd1b-slide-active {
  display: block;
}

.gd1b-carousel-slide img {
  width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
  border-radius: var(--gd1b-radius-lg);
}

.gd1b-carousel-dots {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.6rem;
}

.gd1b-carousel-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
  transition: var(--gd1b-transition);
  border: none;
}

.gd1b-dot-active {
  background: var(--gd1b-primary);
  transform: scale(1.2);
}

/* Main content */
main {
  padding-top: 6rem;
  padding-bottom: 2rem;
}

.gd1b-section {
  padding: 2rem 0;
}

.gd1b-section-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 1.2rem;
  color: var(--gd1b-text);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.gd1b-section-title i {
  color: var(--gd1b-primary);
}

/* Game grid */
.gd1b-game-section {
  margin-bottom: 2.4rem;
}

.gd1b-game-section-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 1rem;
  padding-left: 0.4rem;
  border-left: 3px solid var(--gd1b-primary);
  color: var(--gd1b-text);
}

.gd1b-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
}

.gd1b-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: var(--gd1b-transition);
  border-radius: var(--gd1b-radius);
  padding: 0.4rem;
}

.gd1b-game-item:hover {
  transform: translateY(-2px);
  background: var(--gd1b-bg-card);
}

.gd1b-game-item img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--gd1b-radius);
  margin-bottom: 0.3rem;
  object-fit: cover;
}

.gd1b-game-item span {
  font-size: 1rem;
  color: var(--gd1b-text-muted);
  text-align: center;
  line-height: 1.2rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Cards and modules */
.gd1b-card {
  background: var(--gd1b-bg-card);
  border: 1px solid var(--gd1b-border);
  border-radius: var(--gd1b-radius-lg);
  padding: 1.6rem;
  margin-bottom: 1.6rem;
}

.gd1b-card h2,
.gd1b-card h3 {
  color: var(--gd1b-primary);
  margin-bottom: 1rem;
}

.gd1b-card p {
  color: var(--gd1b-text-muted);
  line-height: 2.2rem;
  font-size: 1.3rem;
}

/* Promo button inline */
.gd1b-promo-link {
  color: var(--gd1b-accent-warm);
  font-weight: 700;
  cursor: pointer;
  transition: var(--gd1b-transition);
}

.gd1b-promo-link:hover {
  color: var(--gd1b-accent);
  text-decoration: underline;
}

.gd1b-promo-btn {
  display: inline-block;
  background: var(--gd1b-gradient);
  color: #fff;
  padding: 0.8rem 2rem;
  border-radius: var(--gd1b-radius);
  font-weight: 700;
  font-size: 1.3rem;
  cursor: pointer;
  border: none;
  transition: var(--gd1b-transition);
  text-align: center;
  width: 100%;
  margin-top: 1rem;
}

.gd1b-promo-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 20px rgba(0,151,167,0.4);
}

/* Footer */
.gd1b-footer {
  background: var(--gd1b-bg-alt);
  border-top: 1px solid var(--gd1b-border);
  padding: 2rem 0;
  text-align: center;
}

.gd1b-footer-brand {
  color: var(--gd1b-text-muted);
  font-size: 1.2rem;
  line-height: 2rem;
  margin-bottom: 1.2rem;
  padding: 0 1rem;
}

.gd1b-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
  padding: 0 1rem;
}

.gd1b-footer-links a {
  color: var(--gd1b-text-muted);
  font-size: 1.1rem;
  padding: 0.3rem 0.6rem;
  transition: var(--gd1b-transition);
}

.gd1b-footer-links a:hover {
  color: var(--gd1b-primary);
}

.gd1b-footer-copy {
  color: var(--gd1b-text-muted);
  font-size: 1rem;
  opacity: 0.6;
}

/* Bottom navigation - mobile fixed */
.gd1b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: linear-gradient(180deg, rgba(30,30,50,0.98) 0%, rgba(20,20,20,0.99) 100%);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--gd1b-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  padding: 0 0.4rem;
}

.gd1b-bottom-nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 50px;
  background: none;
  border: none;
  color: var(--gd1b-text-muted);
  cursor: pointer;
  transition: var(--gd1b-transition);
  padding: 0.3rem;
  border-radius: var(--gd1b-radius);
}

.gd1b-bottom-nav-btn i,
.gd1b-bottom-nav-btn .material-icons-outlined,
.gd1b-bottom-nav-btn ion-icon {
  font-size: 22px;
  margin-bottom: 2px;
  transition: var(--gd1b-transition);
}

.gd1b-bottom-nav-btn span {
  font-size: 1rem;
  line-height: 1.2rem;
}

.gd1b-bottom-nav-btn:hover,
.gd1b-nav-active {
  color: var(--gd1b-primary);
}

.gd1b-nav-active i,
.gd1b-nav-active .material-icons-outlined,
.gd1b-nav-active ion-icon {
  transform: scale(1.15);
  filter: drop-shadow(0 0 6px rgba(0,151,167,0.5));
}

/* Payment icons row */
.gd1b-payment-row {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 0;
}

.gd1b-payment-item {
  background: var(--gd1b-bg-card);
  border: 1px solid var(--gd1b-border);
  border-radius: var(--gd1b-radius);
  padding: 0.6rem 1rem;
  font-size: 1.1rem;
  color: var(--gd1b-text-muted);
}

/* Winner showcase */
.gd1b-winner-list {
  list-style: none;
}

.gd1b-winner-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 1px solid var(--gd1b-border);
  font-size: 1.2rem;
}

.gd1b-winner-name {
  color: var(--gd1b-accent);
  font-weight: 600;
}

.gd1b-winner-amount {
  color: #4CAF50;
  font-weight: 700;
}

.gd1b-winner-game {
  color: var(--gd1b-text-muted);
  font-size: 1.1rem;
}

/* Testimonial */
.gd1b-testimonial {
  background: var(--gd1b-bg-card);
  border-left: 3px solid var(--gd1b-primary);
  border-radius: var(--gd1b-radius);
  padding: 1.2rem;
  margin-bottom: 1rem;
}

.gd1b-testimonial-text {
  color: var(--gd1b-text-muted);
  font-style: italic;
  font-size: 1.2rem;
  line-height: 2rem;
  margin-bottom: 0.6rem;
}

.gd1b-testimonial-author {
  color: var(--gd1b-accent);
  font-weight: 600;
  font-size: 1.1rem;
}

/* Responsive: hide bottom nav on desktop */
@media (min-width: 769px) {
  .gd1b-bottom-nav {
    display: none;
  }
}

/* Mobile padding for bottom nav */
@media (max-width: 768px) {
  main {
    padding-bottom: 80px;
  }
  .gd1b-footer {
    padding-bottom: 80px;
  }
}

/* Utility classes */
.gd1b-text-center { text-align: center; }
.gd1b-text-accent { color: var(--gd1b-accent-warm); }
.gd1b-text-primary { color: var(--gd1b-primary); }
.gd1b-mt-1 { margin-top: 1rem; }
.gd1b-mt-2 { margin-top: 2rem; }
.gd1b-mb-1 { margin-bottom: 1rem; }
.gd1b-mb-2 { margin-bottom: 2rem; }
.gd1b-p-1 { padding: 1rem; }