/**
 * Takabet Layout Stylesheet
 * All classes use ui7b- prefix for namespace isolation
 * Color palette: #F8F8FF | #212F3D | #A0522D | #CD5C5C
 */

/* CSS Variables */
:root {
  --ui7b-primary: #A0522D;
  --ui7b-secondary: #CD5C5C;
  --ui7b-bg-dark: #212F3D;
  --ui7b-bg-light: #F8F8FF;
  --ui7b-text-light: #F8F8FF;
  --ui7b-text-dark: #212F3D;
  --ui7b-accent: #CD5C5C;
  --ui7b-gold: #A0522D;
  --ui7b-border: #2C3E50;
  --ui7b-card-bg: #1A2634;
  --ui7b-header-height: 56px;
  --ui7b-bottom-nav-height: 60px;
  --ui7b-font-base: 62.5%;
}

/* Reset & Base */
html { font-size: var(--ui7b-font-base); }
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--ui7b-bg-dark);
  color: var(--ui7b-text-light);
  line-height: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Container */
.ui7b-container {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  padding: 0 1.2rem;
}

/* Header */
.ui7b-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--ui7b-header-height);
  background: linear-gradient(135deg, #1A2634 0%, #212F3D 100%);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.2rem;
  z-index: 1000;
  border-bottom: 2px solid var(--ui7b-primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.ui7b-logo-area {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.ui7b-logo-area img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

.ui7b-logo-area span {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ui7b-primary);
  letter-spacing: 0.5px;
}

.ui7b-header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ui7b-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.25s ease;
  min-height: 36px;
  min-width: 44px;
}

.ui7b-btn-register {
  background: linear-gradient(135deg, var(--ui7b-primary) 0%, #8B4513 100%);
  color: var(--ui7b-bg-light);
}

.ui7b-btn-register:hover {
  background: linear-gradient(135deg, #8B4513 0%, var(--ui7b-primary) 100%);
  transform: scale(1.05);
}

.ui7b-btn-login {
  background: transparent;
  color: var(--ui7b-primary);
  border: 1.5px solid var(--ui7b-primary);
}

.ui7b-btn-login:hover {
  background: var(--ui7b-primary);
  color: var(--ui7b-bg-light);
}

.ui7b-menu-toggle {
  background: none;
  border: none;
  color: var(--ui7b-text-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mobile Menu */
.ui7b-mobile-menu {
  position: fixed;
  top: 0;
  right: -280px;
  width: 260px;
  height: 100%;
  background: #1A2634;
  z-index: 9999;
  transition: right 0.3s ease;
  padding: 2rem 1.4rem;
  overflow-y: auto;
}

.ui7b-menu-active { right: 0; }

.ui7b-menu-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.6);
  z-index: 9998;
}

.ui7b-overlay-active { display: block; }

.ui7b-menu-close {
  background: none;
  border: none;
  color: var(--ui7b-text-light);
  font-size: 2.2rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1rem;
  min-width: 44px;
  min-height: 44px;
}

.ui7b-menu-list {
  list-style: none;
  margin-top: 3rem;
}

.ui7b-menu-list li {
  border-bottom: 1px solid var(--ui7b-border);
}

.ui7b-menu-list a {
  display: block;
  padding: 1.2rem 0.8rem;
  color: var(--ui7b-text-light);
  text-decoration: none;
  font-size: 1.4rem;
  transition: color 0.2s;
}

.ui7b-menu-list a:hover {
  color: var(--ui7b-primary);
}

/* Main Content */
.ui7b-main {
  padding-top: calc(var(--ui7b-header-height) + 8px);
  padding-bottom: 1rem;
  min-height: 100vh;
}

/* Carousel */
.ui7b-carousel {
  position: relative;
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 10px;
  margin-bottom: 1.6rem;
}

.ui7b-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--ui7b-carousel-transition, 500ms) ease;
  cursor: pointer;
}

.ui7b-slide-active { opacity: 1; }

.ui7b-carousel-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ui7b-carousel-dots {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 6px;
  z-index: 5;
}

.ui7b-carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(248,248,255,0.4);
  cursor: pointer;
  transition: background 0.2s;
}

.ui7b-dot-active { background: var(--ui7b-primary); }

/* Section Titles */
.ui7b-section-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--ui7b-primary);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--ui7b-primary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.ui7b-section-title i {
  font-size: 2rem;
}

/* Category Header */
.ui7b-cat-header {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ui7b-secondary);
  margin: 1.4rem 0 0.8rem;
  padding-left: 0.6rem;
  border-left: 3px solid var(--ui7b-secondary);
}

/* Game Grid */
.ui7b-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.ui7b-game-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: transform 0.2s;
  text-decoration: none;
}

.ui7b-game-item:hover { transform: scale(1.08); }

.ui7b-game-icon {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid var(--ui7b-border);
  transition: border-color 0.2s;
}

.ui7b-game-item:hover .ui7b-game-icon {
  border-color: var(--ui7b-primary);
}

.ui7b-game-name {
  font-size: 1.1rem;
  color: var(--ui7b-text-light);
  text-align: center;
  margin-top: 0.3rem;
  line-height: 1.3rem;
  max-width: 72px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Info Card */
.ui7b-info-card {
  background: var(--ui7b-card-bg);
  border-radius: 10px;
  padding: 1.4rem;
  margin-bottom: 1.4rem;
  border-left: 3px solid var(--ui7b-primary);
}

.ui7b-info-card h3 {
  font-size: 1.5rem;
  color: var(--ui7b-primary);
  margin-bottom: 0.8rem;
}

.ui7b-info-card p {
  font-size: 1.3rem;
  line-height: 1.6rem;
  color: #BDC3C7;
  margin-bottom: 0.6rem;
}

.ui7b-info-card ul {
  padding-left: 1.6rem;
  margin-bottom: 0.6rem;
}

.ui7b-info-card li {
  font-size: 1.3rem;
  line-height: 1.6rem;
  color: #BDC3C7;
  margin-bottom: 0.3rem;
}

/* Promo Link Text */
.ui7b-promo-link {
  color: var(--ui7b-secondary);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.2s;
}

.ui7b-promo-link:hover { color: var(--ui7b-primary); }

/* Promo Button */
.ui7b-promo-btn {
  display: block;
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--ui7b-primary) 0%, var(--ui7b-secondary) 100%);
  color: var(--ui7b-bg-light);
  text-align: center;
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  border: none;
  margin: 1rem 0;
  transition: transform 0.2s, box-shadow 0.2s;
}

.ui7b-promo-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 16px rgba(160,82,45,0.4);
}

/* Footer */
.ui7b-footer {
  background: #0F1923;
  padding: 2rem 1.2rem 1rem;
  margin-top: 2rem;
  border-top: 2px solid var(--ui7b-primary);
}

.ui7b-footer-brand {
  font-size: 1.3rem;
  color: #95A5A6;
  line-height: 1.6rem;
  margin-bottom: 1.2rem;
}

.ui7b-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.2rem;
}

.ui7b-footer-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--ui7b-card-bg);
  color: var(--ui7b-text-light);
  font-size: 1.2rem;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s;
}

.ui7b-footer-link:hover { background: var(--ui7b-primary); }

.ui7b-footer-copy {
  font-size: 1.1rem;
  color: #7F8C8D;
  text-align: center;
  padding-top: 1rem;
  border-top: 1px solid var(--ui7b-border);
}

/* Bottom Navigation */
.ui7b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 430px;
  height: var(--ui7b-bottom-nav-height);
  background: linear-gradient(180deg, #1A2634 0%, #0F1923 100%);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  border-top: 2px solid var(--ui7b-primary);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.3);
}

.ui7b-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: #95A5A6;
  cursor: pointer;
  transition: all 0.2s;
  padding: 0.3rem;
  text-decoration: none;
}

.ui7b-bottom-nav-btn:hover,
.ui7b-nav-active {
  color: var(--ui7b-primary);
}

.ui7b-bottom-nav-btn i,
.ui7b-bottom-nav-btn .material-icons {
  font-size: 22px;
  margin-bottom: 2px;
}

.ui7b-bottom-nav-btn span {
  font-size: 1rem;
  line-height: 1.2rem;
}

.ui7b-nav-active i,
.ui7b-nav-active .material-icons {
  transform: scale(1.15);
}

/* Internal Link Style */
.ui7b-internal-link {
  color: var(--ui7b-secondary);
  text-decoration: underline;
  transition: color 0.2s;
}

.ui7b-internal-link:hover { color: var(--ui7b-primary); }

/* Winner Badge */
.ui7b-winner-badge {
  display: inline-block;
  background: var(--ui7b-card-bg);
  padding: 0.6rem 1rem;
  border-radius: 8px;
  margin: 0.3rem;
  font-size: 1.2rem;
  border: 1px solid var(--ui7b-border);
}

.ui7b-winner-badge strong {
  color: var(--ui7b-primary);
}

/* FAQ Accordion */
.ui7b-faq-item {
  background: var(--ui7b-card-bg);
  border-radius: 8px;
  margin-bottom: 0.8rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--ui7b-primary);
}

.ui7b-faq-item h4 {
  font-size: 1.3rem;
  color: var(--ui7b-primary);
  margin-bottom: 0.5rem;
}

.ui7b-faq-item p {
  font-size: 1.2rem;
  color: #BDC3C7;
  line-height: 1.5rem;
}

/* Feature Grid */
.ui7b-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
  margin-bottom: 1.2rem;
}

.ui7b-feature-card {
  background: var(--ui7b-card-bg);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
  border: 1px solid var(--ui7b-border);
}

.ui7b-feature-card i {
  font-size: 2.4rem;
  color: var(--ui7b-primary);
  margin-bottom: 0.5rem;
}

.ui7b-feature-card h4 {
  font-size: 1.2rem;
  color: var(--ui7b-text-light);
  margin-bottom: 0.3rem;
}

.ui7b-feature-card p {
  font-size: 1.1rem;
  color: #95A5A6;
}

/* Payment Methods */
.ui7b-payment-row {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.ui7b-payment-item {
  background: var(--ui7b-card-bg);
  padding: 0.6rem 1.2rem;
  border-radius: 6px;
  font-size: 1.2rem;
  color: var(--ui7b-text-light);
  border: 1px solid var(--ui7b-border);
}

/* Responsive */
@media (min-width: 769px) {
  .ui7b-bottom-nav { display: none; }
  .ui7b-header { box-shadow: 0 2px 20px rgba(0,0,0,0.4); }
}

@media (max-width: 768px) {
  .ui7b-main { padding-bottom: calc(var(--ui7b-bottom-nav-height) + 16px); }
}