/**
 * ph78 Website Design Stylesheet
 * All classes use v9bb- prefix for namespace isolation
 * Color Palette: #FFEF94 | #FFA500 | #F4A460 | #1A1A2E | #48D1CC
 * Copyright 2026 ph78.sbs
 */

/* CSS Variables */
:root {
  --v9bb-primary: #FFA500;
  --v9bb-secondary: #48D1CC;
  --v9bb-accent: #FFEF94;
  --v9bb-warm: #F4A460;
  --v9bb-bg: #1A1A2E;
  --v9bb-bg-light: #222240;
  --v9bb-bg-card: #2A2A4A;
  --v9bb-text: #FFEF94;
  --v9bb-text-light: #FFFFFF;
  --v9bb-text-muted: #A0A0C0;
  --v9bb-border: #3A3A5A;
  --v9bb-success: #48D1CC;
  --v9bb-danger: #FF6B6B;
  font-size: 62.5%;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--v9bb-bg);
  color: var(--v9bb-text-light);
  font-size: 1.6rem;
  line-height: 1.5;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: var(--v9bb-primary);
}

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

/* Header */
.v9bb-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 56px;
  background: linear-gradient(135deg, var(--v9bb-bg) 0%, var(--v9bb-bg-light) 100%);
  border-bottom: 2px solid var(--v9bb-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  z-index: 1000;
}

.v9bb-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}

.v9bb-logo img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.v9bb-logo span {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--v9bb-primary);
  letter-spacing: 0.5px;
}

.v9bb-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.v9bb-btn-register {
  background: linear-gradient(135deg, var(--v9bb-primary), #FF8C00);
  color: var(--v9bb-bg);
  font-weight: 700;
  font-size: 1.2rem;
  padding: 6px 14px;
  border-radius: 20px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.v9bb-btn-login {
  background: transparent;
  color: var(--v9bb-secondary);
  font-weight: 600;
  font-size: 1.2rem;
  padding: 6px 12px;
  border-radius: 20px;
  border: 1.5px solid var(--v9bb-secondary);
  cursor: pointer;
  transition: transform 0.2s;
}

.v9bb-btn-register:hover, .v9bb-btn-login:hover {
  transform: scale(1.05);
}

.v9bb-menu-toggle {
  background: none;
  border: none;
  color: var(--v9bb-text);
  font-size: 2.2rem;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

/* Mobile Menu Overlay */
.v9bb-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
}

.v9bb-overlay-active {
  display: block;
}

/* Mobile Menu Panel */
.v9bb-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 280px;
  height: 100%;
  background: var(--v9bb-bg-light);
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 20px;
  overflow-y: auto;
}

.v9bb-menu-active {
  right: 0;
}

.v9bb-menu-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--v9bb-border);
}

.v9bb-menu-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--v9bb-primary);
}

.v9bb-menu-close {
  background: none;
  border: none;
  color: var(--v9bb-text-muted);
  font-size: 2.4rem;
  cursor: pointer;
  line-height: 1;
}

.v9bb-menu-links {
  list-style: none;
}

.v9bb-menu-links li {
  border-bottom: 1px solid var(--v9bb-border);
}

.v9bb-menu-links a {
  display: block;
  padding: 14px 0;
  color: var(--v9bb-text-light);
  font-size: 1.5rem;
  font-weight: 500;
  transition: color 0.2s;
}

.v9bb-menu-links a:hover {
  color: var(--v9bb-primary);
}

/* Main Content */
.v9bb-main {
  padding-top: 56px;
  min-height: 100vh;
}

@media (max-width: 768px) {
  .v9bb-main {
    padding-bottom: 80px;
  }
}

/* Carousel */
.v9bb-carousel {
  position: relative;
  width: 100%;
  overflow: hidden;
  border-radius: 0 0 12px 12px;
}

.v9bb-slide {
  display: none;
  width: 100%;
  cursor: pointer;
}

.v9bb-slide-active {
  display: block;
}

.v9bb-slide img {
  width: 100%;
  height: auto;
  min-height: 180px;
  object-fit: cover;
}

.v9bb-dots {
  position: absolute;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
}

.v9bb-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  border: none;
  cursor: pointer;
  transition: background 0.3s;
}

.v9bb-dot-active {
  background: var(--v9bb-primary);
  width: 20px;
  border-radius: 4px;
}

/* Section Styles */
.v9bb-section {
  padding: 20px 14px;
}

.v9bb-section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--v9bb-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--v9bb-border);
}

.v9bb-section-title i {
  margin-right: 6px;
}

/* Game Grid */
.v9bb-game-category {
  margin-bottom: 24px;
}

.v9bb-category-label {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--v9bb-secondary);
  margin-bottom: 10px;
  padding-left: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.v9bb-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.v9bb-game-item {
  text-align: center;
  cursor: pointer;
  transition: transform 0.2s;
  background: var(--v9bb-bg-card);
  border-radius: 10px;
  padding: 6px;
  border: 1px solid transparent;
}

.v9bb-game-item:hover {
  transform: scale(1.05);
  border-color: var(--v9bb-primary);
}

.v9bb-game-item img {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  margin-bottom: 4px;
}

.v9bb-game-item span {
  font-size: 1.1rem;
  color: var(--v9bb-text-light);
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Content Modules */
.v9bb-card {
  background: var(--v9bb-bg-card);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 16px;
  border: 1px solid var(--v9bb-border);
}

.v9bb-card h3 {
  color: var(--v9bb-primary);
  font-size: 1.6rem;
  margin-bottom: 10px;
}

.v9bb-card p {
  color: var(--v9bb-text-muted);
  font-size: 1.4rem;
  line-height: 1.6;
  margin-bottom: 8px;
}

.v9bb-promo-text {
  color: var(--v9bb-primary);
  font-weight: 700;
  cursor: pointer;
  transition: color 0.2s;
}

.v9bb-promo-text:hover {
  color: var(--v9bb-warm);
  text-decoration: underline;
}

/* Promo Buttons */
.v9bb-btn-promo {
  display: inline-block;
  background: linear-gradient(135deg, var(--v9bb-primary), #FF8C00);
  color: var(--v9bb-bg);
  font-weight: 700;
  font-size: 1.4rem;
  padding: 10px 24px;
  border-radius: 25px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-align: center;
}

.v9bb-btn-promo:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 15px rgba(255,165,0,0.4);
}

.v9bb-btn-outline {
  display: inline-block;
  background: transparent;
  color: var(--v9bb-secondary);
  font-weight: 600;
  font-size: 1.4rem;
  padding: 8px 20px;
  border-radius: 25px;
  border: 2px solid var(--v9bb-secondary);
  cursor: pointer;
  transition: all 0.2s;
}

.v9bb-btn-outline:hover {
  background: var(--v9bb-secondary);
  color: var(--v9bb-bg);
}

/* Footer */
.v9bb-footer {
  background: var(--v9bb-bg-light);
  padding: 24px 14px 16px;
  border-top: 2px solid var(--v9bb-primary);
}

.v9bb-footer-brand {
  margin-bottom: 16px;
}

.v9bb-footer-brand p {
  color: var(--v9bb-text-muted);
  font-size: 1.3rem;
  line-height: 1.5;
  margin-bottom: 6px;
}

.v9bb-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.v9bb-footer-links a {
  background: var(--v9bb-bg-card);
  color: var(--v9bb-text-light);
  font-size: 1.2rem;
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px solid var(--v9bb-border);
  transition: all 0.2s;
}

.v9bb-footer-links a:hover {
  border-color: var(--v9bb-primary);
  color: var(--v9bb-primary);
}

.v9bb-footer-promos {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.v9bb-footer-promos .v9bb-btn-promo {
  font-size: 1.2rem;
  padding: 8px 16px;
}

.v9bb-copyright {
  text-align: center;
  color: var(--v9bb-text-muted);
  font-size: 1.2rem;
  padding-top: 12px;
  border-top: 1px solid var(--v9bb-border);
}

/* Bottom Navigation */
.v9bb-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: 60px;
  background: linear-gradient(180deg, var(--v9bb-bg-light), var(--v9bb-bg));
  border-top: 2px solid var(--v9bb-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  padding: 0 4px;
}

.v9bb-bottom-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  min-height: 54px;
  background: none;
  border: none;
  color: var(--v9bb-text-muted);
  cursor: pointer;
  transition: all 0.2s;
  border-radius: 10px;
  padding: 4px 2px;
}

.v9bb-bottom-nav-item:hover,
.v9bb-nav-current {
  color: var(--v9bb-primary);
  background: rgba(255,165,0,0.08);
}

.v9bb-bottom-nav-item i,
.v9bb-bottom-nav-item .material-icons {
  font-size: 22px;
  margin-bottom: 2px;
}

.v9bb-bottom-nav-item span {
  font-size: 1rem;
  font-weight: 500;
}

/* Hide bottom nav on desktop */
@media (min-width: 769px) {
  .v9bb-bottom-nav {
    display: none;
  }
}

/* Utility */
.v9bb-text-center { text-align: center; }
.v9bb-mt-10 { margin-top: 10px; }
.v9bb-mt-16 { margin-top: 16px; }
.v9bb-mb-10 { margin-bottom: 10px; }
.v9bb-mb-16 { margin-bottom: 16px; }
.v9bb-flex-center {
  display: flex;
  justify-content: center;
  align-items: center;
}
.v9bb-gap-8 { gap: 8px; }

/* Testimonials */
.v9bb-testimonial {
  background: var(--v9bb-bg-card);
  border-left: 3px solid var(--v9bb-primary);
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
  margin-bottom: 10px;
}

.v9bb-testimonial-name {
  color: var(--v9bb-secondary);
  font-weight: 600;
  font-size: 1.3rem;
}

.v9bb-testimonial-text {
  color: var(--v9bb-text-muted);
  font-size: 1.3rem;
  margin-top: 4px;
}

/* Payment Icons */
.v9bb-payment-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.v9bb-payment-item {
  background: var(--v9bb-bg-card);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 1.3rem;
  color: var(--v9bb-text-light);
  border: 1px solid var(--v9bb-border);
}

/* Winner Showcase */
.v9bb-winner-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  background: var(--v9bb-bg-card);
  border-radius: 8px;
  margin-bottom: 8px;
}

.v9bb-winner-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--v9bb-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--v9bb-bg);
  font-weight: 700;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.v9bb-winner-info {
  flex: 1;
}

.v9bb-winner-game {
  color: var(--v9bb-text-light);
  font-size: 1.3rem;
  font-weight: 600;
}

.v9bb-winner-amount {
  color: var(--v9bb-primary);
  font-weight: 700;
  font-size: 1.3rem;
}

/* App Download CTA */
.v9bb-app-cta {
  background: linear-gradient(135deg, var(--v9bb-bg-card), #2E2E5E);
  border-radius: 12px;
  padding: 20px 16px;
  text-align: center;
  border: 1px solid var(--v9bb-primary);
}

.v9bb-app-cta h3 {
  color: var(--v9bb-primary);
  font-size: 1.8rem;
  margin-bottom: 8px;
}

.v9bb-app-cta p {
  color: var(--v9bb-text-muted);
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.v9bb-app-buttons {
  display: flex;
  gap: 10px;
  justify-content: center;
}

/* FAQ Accordion */
.v9bb-faq-item {
  background: var(--v9bb-bg-card);
  border-radius: 8px;
  margin-bottom: 8px;
  overflow: hidden;
  border: 1px solid var(--v9bb-border);
}

.v9bb-faq-question {
  padding: 12px 14px;
  font-weight: 600;
  color: var(--v9bb-text-light);
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.v9bb-faq-answer {
  padding: 0 14px 12px;
  color: var(--v9bb-text-muted);
  font-size: 1.3rem;
  line-height: 1.6;
}

/* Feature Grid */
.v9bb-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.v9bb-feature-item {
  background: var(--v9bb-bg-card);
  border-radius: 10px;
  padding: 14px 10px;
  text-align: center;
  border: 1px solid var(--v9bb-border);
  transition: border-color 0.2s;
}

.v9bb-feature-item:hover {
  border-color: var(--v9bb-secondary);
}

.v9bb-feature-icon {
  font-size: 2.8rem;
  margin-bottom: 6px;
}

.v9bb-feature-item h4 {
  color: var(--v9bb-primary);
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.v9bb-feature-item p {
  color: var(--v9bb-text-muted);
  font-size: 1.1rem;
}

/* Content Paragraphs */
.v9bb-content p {
  color: var(--v9bb-text-muted);
  font-size: 1.4rem;
  line-height: 1.7;
  margin-bottom: 10px;
}

.v9bb-content strong {
  color: var(--v9bb-primary);
}

.v9bb-content a {
  color: var(--v9bb-secondary);
  text-decoration: underline;
}