/**
 * Big Win Login - Main Stylesheet
 * Prefix: sd6b-
 * Color Palette: #FFEB3B (accent) | #0097A7 (primary) | #0A0A0A (dark bg)
 *              #BF360C (highlight) | #F8F9FA (light text)
 */

/* CSS Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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;
  color: #F8F9FA;
  background-color: #0A0A0A;
  min-height: 100vh;
  overflow-x: hidden;
}

/* CSS Variables */
:root {
  --sd6b-primary: #0097A7;
  --sd6b-accent: #FFEB3B;
  --sd6b-dark: #0A0A0A;
  --sd6b-highlight: #BF360C;
  --sd6b-light: #F8F9FA;
  --sd6b-primary-dark: #00838F;
  --sd6b-accent-dark: #FBC02D;
  --sd6b-gradient: linear-gradient(135deg, #0097A7 0%, #0A0A0A 100%);
  --sd6b-card-bg: rgba(255, 235, 59, 0.05);
  --sd6b-border: rgba(0, 151, 167, 0.2);
  --sd6b-shadow: 0 4px 20px rgba(0, 151, 167, 0.15);
}

/* Container & Layout */
.sd6b-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1rem;
}

.sd6b-wrapper {
  padding-bottom: 80px;
}

/* Header Styles */
.sd6b-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10, 10, 10, 0.98) 0%,
              rgba(10, 10, 10, 0.92) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--sd6b-border);
  padding: 0.8rem 0;
}

.sd6b-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1rem;
}

.sd6b-logo-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--sd6b-light);
}

.sd6b-logo-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.sd6b-logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--sd6b-accent);
  letter-spacing: -0.02em;
}

.sd6b-header-actions {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.sd6b-btn-register {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--sd6b-accent), var(--sd6b-accent-dark));
  color: var(--sd6b-dark);
  font-size: 1.1rem;
  font-weight: 700;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  white-space: nowrap;
}

.sd6b-btn-register:hover,
.sd6b-btn-register:active {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(255, 235, 59, 0.35);
}

.sd6b-btn-login {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--sd6b-accent);
  font-size: 1.1rem;
  font-weight: 600;
  border: 1.5px solid var(--sd6b-accent);
  border-radius: 20px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sd6b-btn-login:hover,
.sd6b-btn-login:active {
  background: var(--sd6b-accent);
  color: var(--sd6b-dark);
  transform: scale(1.05);
}

.sd6b-menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--sd6b-light);
  font-size: 1.8rem;
  padding: 0;
}

/* Mobile Menu Overlay */
.sd6b-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.sd6b-overlay-visible {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu Panel */
#appd6b-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 260px;
  max-width: 85vw;
  height: 100%;
  z-index: 9999;
  background: linear-gradient(180deg, #111 0%, #0A0A0A 100%);
  border-left: 1px solid var(--sd6b-border);
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  padding: 60px 0 20px;
}

#appd6b-mobile-menu.sd6b-menu-open {
  right: 0;
}

.sd6b-menu-list {
  list-style: none;
  padding: 0 1rem;
}

.sd6b-menu-item {
  margin-bottom: 0.3rem;
}

.sd6b-menu-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  color: var(--sd6b-light);
  text-decoration: none;
  font-size: 1.3rem;
  font-weight: 500;
  border-radius: 10px;
  transition: all 0.2s ease;
}

.sd6b-menu-link:hover,
.sd6b-menu-link:active {
  background: rgba(0, 151, 167, 0.12);
  color: var(--sd6b-accent);
  transform: translateX(4px);
}

.sd6b-menu-icon {
  font-size: 1.6rem;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

/* Hero Banner Section */
.sd6b-hero {
  margin-top: 56px;
  position: relative;
  overflow: hidden;
  border-radius: 0 0 16px 16px;
}

.sd6b-hero-slider {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}

.sd6b-hero-slider::-webkit-scrollbar {
  display: none;
}

.sd6b-hero-slide {
  flex: 0 0 100%;
  scroll-snap-align: start;
  position: relative;
  min-height: 180px;
}

.sd6b-hero-slide img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
  cursor: pointer;
  transition: transform 0.3s ease;
}

.sd6b-hero-slide img:hover {
  transform: scale(1.03);
}

/* Page Title */
.sd6b-page-title {
  padding: 1.5rem 0 1rem;
  text-align: center;
}

.sd6b-page-title h1 {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--sd6b-accent);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* Game Category Section */
.sd6b-section {
  padding: 1.2rem 0;
}

.sd6b-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 0 0.2rem;
}

.sd6b-section-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--sd6b-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sd6b-section-title i {
  font-size: 1.6rem;
}

/* Game Grid */
.sd6b-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}

.sd6b-game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--sd6b-card-bg);
  border: 1px solid var(--sd6b-border);
  border-radius: 10px;
  padding: 0.5rem;
  cursor: pointer;
  transition: all 0.25s ease;
  text-decoration: none;
  overflow: hidden;
}

.sd6b-game-card:hover,
.sd6b-game-card:active {
  transform: translateY(-3px);
  border-color: var(--sd6b-primary);
  box-shadow: var(--sd6b-shadow);
  background: rgba(0, 151, 167, 0.08);
}

.sd6b-game-icon {
  width: 100%;
  aspect-ratio: 1;
  object-fit: contain;
  border-radius: 6px;
  margin-bottom: 0.4rem;
}

.sd6b-game-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--sd6b-light);
  text-align: center;
  line-height: 1.2;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  word-break: break-word;
}

/* Content Module Card */
.sd6b-content-card {
  background: linear-gradient(145deg, rgba(0, 151, 167, 0.08),
              rgba(10, 10, 10, 0.95));
  border: 1px solid var(--sd6b-border);
  border-radius: 14px;
  padding: 1.3rem;
  margin-bottom: 1.2rem;
}

.sd6b-content-card h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--sd6b-accent);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sd6b-content-card h2 i {
  color: var(--sd6b-primary);
  font-size: 1.5rem;
}

.sd6b-content-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--sd6b-primary);
  margin: 0.8rem 0 0.5rem;
}

.sd6b-content-card p {
  font-size: 1.3rem;
  color: rgba(248, 249, 250, 0.78);
  line-height: 1.65;
  margin-bottom: 0.6rem;
}

.sd6b-content-card ul {
  list-style: none;
  padding-left: 0;
  margin: 0.6rem 0;
}

.sd6b-content-card li {
  font-size: 1.25rem;
  color: rgba(248, 249, 250, 0.75);
  padding: 0.35rem 0;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.5;
}

.sd6b-content-card li::before {
  content: '\2022';
  position: absolute;
  left: 0.4rem;
  color: var(--sd6b-accent);
  font-weight: bold;
}

/* Promo Link Inline */
.sd6b-promo-link {
  color: var(--sd6b-accent);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: rgba(255, 235, 59, 0.4);
  text-underline-offset: 3px;
  cursor: pointer;
  transition: color 0.2s ease;
}

.sd6b-promo-link:hover {
  color: var(--sd6b-highlight);
}

/* CTA Button Large */
.sd6b-cta-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--sd6b-primary), var(--sd6b-primary-dark));
  color: #fff;
  font-size: 1.35rem;
  font-weight: 700;
  text-align: center;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s ease;
  box-shadow: 0 4px 18px rgba(0, 151, 167, 0.3);
  margin: 0.8rem 0;
}

.sd6b-cta-btn:hover,
.sd6b-cta-btn:active {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0, 151, 167, 0.42);
}

/* Feature List Grid */
.sd6b-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.7rem;
  margin: 0.8rem 0;
}

.sd6b-feature-item {
  background: rgba(0, 151, 167, 0.06);
  border: 1px solid var(--sd6b-border);
  border-radius: 10px;
  padding: 0.9rem;
  text-align: center;
}

.sd6b-feature-item i {
  font-size: 2rem;
  color: var(--sd6b-accent);
  display: block;
  margin-bottom: 0.4rem;
}

.sd6b-feature-item span {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--sd6b-light);
  display: block;
}

/* Testimonial Item */
.sd6b-testimonial {
  background: rgba(191, 54, 12, 0.06);
  border-left: 3px solid var(--sd6b-highlight);
  border-radius: 0 10px 10px 0;
  padding: 1rem;
  margin-bottom: 0.8rem;
}

.sd6b-testimonial p {
  font-size: 1.2rem;
  font-style: italic;
  color: rgba(248, 249, 250, 0.82);
  margin-bottom: 0.4rem;
}

.sd6b-testimonial-author {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--sd6b-accent);
}

/* Payment Method Row */
.sd6b-payment-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.6rem;
}

.sd6b-payment-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 0.8rem;
  background: rgba(0, 151, 167, 0.1);
  border: 1px solid var(--sd6b-border);
  border-radius: 20px;
  font-size: 1.05rem;
  color: var(--sd6b-light);
  font-weight: 500;
}

.sd6b-payment-tag i {
  font-size: 1.1rem;
  color: var(--sd6b-accent);
}

/* Footer */
.sd6b-footer {
  background: linear-gradient(180deg, #0d0d0d 0%, #050505 100%);
  border-top: 1px solid var(--sd6b-border);
  padding: 2rem 0 1.5rem;
  margin-top: 1.5rem;
}

.sd6b-footer-inner {
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1rem;
}

.sd6b-footer-brand {
  text-align: center;
  margin-bottom: 1.2rem;
}

.sd6b-footer-brand h3 {
  font-size: 1.4rem;
  color: var(--sd6b-accent);
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.sd6b-footer-desc {
  font-size: 1.1rem;
  color: rgba(248, 249, 250, 0.55);
  line-height: 1.5;
  margin-bottom: 1rem;
}

.sd6b-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1.2rem;
}

.sd6b-footer-links a {
  font-size: 1.05rem;
  color: var(--sd6b-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sd6b-footer-links a:hover {
  color: var(--sd6b-accent);
  text-decoration: underline;
}

.sd6b-footer-copyright {
  text-align: center;
  font-size: 1rem;
  color: rgba(248, 249, 250, 0.38);
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 151, 167, 0.1);
}

/* Bottom Navigation Bar */
.sd6b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(17, 17, 17, 0.97) 0%,
              rgba(10, 10, 10, 0.99) 100%);
  backdrop-filter: blur(14px);
  border-top: 1px solid var(--sd6b-border);
  display: flex;
  justify-content: space-around;
  align-items: center;
  height: 60px;
  padding: 0.3rem 0;
}

.sd6b-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  min-height: 58px;
  text-decoration: none;
  color: rgba(248, 249, 250, 0.55);
  transition: all 0.22s ease;
  position: relative;
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
}

.sd6b-nav-item i {
  font-size: 22px;
  margin-bottom: 2px;
  transition: all 0.22s ease;
}

.sd6b-nav-item span {
  font-size: 0.68rem;
  font-weight: 500;
  transition: all 0.22s ease;
}

.sd6b-nav-item:hover,
.sd6b-nav-item:active {
  transform: scale(1.08);
  color: var(--sd6b-accent);
}

.sd6b-nav-item:hover i,
.sd6b-nav-item:active i {
  transform: translateY(-1px);
}

.sd6b-nav-active {
  color: var(--sd6b-accent) !important;
}

.sd6b-nav-active i {
  color: var(--sd6b-accent) !important;
}

.sd6b-nav-active span {
  color: var(--sd6b-accent) !important;
  font-weight: 700;
}

/* Active indicator dot */
.sd6b-nav-active::after {
  content: '';
  position: absolute;
  top: 4px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sd6b-accent);
}

/* Desktop: hide bottom nav */
@media (min-width: 769px) {
  .sd6b-bottom-nav {
    display: none !important;
  }

  .sd6b-wrapper {
    padding-bottom: 0;
  }
}

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

/* Utility Classes */
.sd6b-text-center { text-align: center; }
.sd6b-text-accent { color: var(--sd6b-accent); }
.sd6b-text-primary { color: var(--sd6b-primary); }
.sd6b-text-highlight { color: var(--sd6b-highlight); }
.sd6b-mt-1 { margin-top: 0.8rem; }
.sd6b-mt-2 { margin-top: 1.5rem; }
.sd6b-mb-1 { margin-bottom: 0.8rem; }
.sd6b-divider {
  height: 1px;
  background: var(--sd6b-border);
  margin: 1.2rem 0;
}