/* f1668.css - Core styles for f1668.homes (Vietnamese casino gaming portal) */
/* All custom classes use uidc- prefix */

:root {
  --uidc-primary: #DEB887;
  --uidc-primary-dark: #BDB76B;
  --uidc-bg: #333333;
  --uidc-bg-soft: #3d3d3d;
  --uidc-bg-card: #2a2a2a;
  --uidc-text: #FDF5E6;
  --uidc-text-muted: #c9b88a;
  --uidc-danger: #c94a4a;
  --uidc-success: #5fb878;
  --uidc-border: rgba(222, 184, 135, 0.25);
  --uidc-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
  --uidc-radius: 12px;
  --uidc-radius-sm: 8px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 62.5%; }
body {
  font-family: 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
  background: var(--uidc-bg);
  color: var(--uidc-text);
  line-height: 1.5;
  font-size: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
  position: relative;
}
img { max-width: 100%; display: block; }
a { color: var(--uidc-primary); text-decoration: none; }

.uidc-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.uidc-main { padding-top: 64px; padding-bottom: 80px; }

/* Header */
.uidc-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; z-index: 1000;
  background: linear-gradient(135deg, #2a2a2a 0%, #3d3d3d 100%);
  border-bottom: 1px solid var(--uidc-border);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}
.uidc-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.7rem 1rem; gap: 0.6rem;
}
.uidc-logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.7rem; font-weight: 800; }
.uidc-logo img { width: 28px; height: 28px; border-radius: 6px; }
.uidc-logo-text {
  background: linear-gradient(90deg, var(--uidc-primary), var(--uidc-primary-dark));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.uidc-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.uidc-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  border: none; border-radius: var(--uidc-radius-sm); font-weight: 700;
  cursor: pointer; font-size: 1.25rem; padding: 0.65rem 1rem; text-align: center;
  font-family: inherit; transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}
.uidc-btn-primary {
  background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  color: #2a2a2a; box-shadow: 0 3px 10px rgba(222, 184, 135, 0.35);
}
.uidc-btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(222, 184, 135, 0.5); }
.uidc-btn-outline { background: transparent; color: var(--uidc-primary); border: 1.5px solid var(--uidc-primary); }
.uidc-btn-outline:hover { background: rgba(222, 184, 135, 0.12); }
.uidc-btn-block { width: 100%; padding: 0.9rem; font-size: 1.4rem; }
.uidc-menu-btn {
  width: 36px; height: 36px; background: transparent; border: 1px solid var(--uidc-border);
  border-radius: 8px; color: var(--uidc-primary); display: flex; align-items: center;
  justify-content: center; cursor: pointer; font-size: 1.6rem;
}
.uidc-menu-btn.uidc-active { background: var(--uidc-primary); color: #2a2a2a; }

/* Mobile menu drawer */
.uidc-mobile-menu {
  position: fixed; top: 0; right: -100%; width: 82%; max-width: 320px;
  height: 100vh; background: #2a2a2a; z-index: 9999; padding: 4.5rem 1.4rem 2rem;
  transition: right 0.3s ease; overflow-y: auto; box-shadow: -4px 0 24px rgba(0, 0, 0, 0.5);
}
.uidc-mobile-menu.uidc-menu-open { right: 0; }
.uidc-menu-close {
  position: absolute; top: 0.8rem; right: 1rem; width: 36px; height: 36px;
  background: transparent; border: none; color: var(--uidc-primary);
  font-size: 2rem; cursor: pointer;
}
.uidc-mobile-menu h4 {
  color: var(--uidc-primary); font-size: 1.25rem; margin: 1rem 0 0.5rem;
  text-transform: uppercase; letter-spacing: 1px;
  border-bottom: 1px solid var(--uidc-border); padding-bottom: 0.4rem;
}
.uidc-mobile-menu a {
  display: block; color: var(--uidc-text); padding: 0.7rem 0.3rem;
  font-size: 1.35rem; border-bottom: 1px solid rgba(222, 184, 135, 0.08);
}
.uidc-mobile-menu a:hover { color: var(--uidc-primary); padding-left: 0.7rem; }
.uidc-menu-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6); z-index: 9998;
  opacity: 0; visibility: hidden; transition: opacity 0.3s ease;
}
.uidc-menu-overlay.uidc-menu-open { opacity: 1; visibility: visible; }

/* Hero / H1 */
.uidc-hero {
  text-align: center; padding: 1.4rem 1rem; margin-bottom: 1.4rem;
  background: linear-gradient(135deg, rgba(222, 184, 135, 0.14), rgba(189, 183, 107, 0.06));
  border-radius: var(--uidc-radius); border: 1px solid var(--uidc-border);
}
.uidc-hero h1 { font-size: 2.1rem; font-weight: 900; color: var(--uidc-primary); margin-bottom: 0.5rem; line-height: 1.3; }
.uidc-hero p { color: var(--uidc-text); font-size: 1.3rem; }

/* Carousel */
.uidc-carousel {
  position: relative; width: 100%; border-radius: var(--uidc-radius);
  overflow: hidden; margin-bottom: 1.4rem; box-shadow: var(--uidc-shadow);
}
.uidc-carousel-track { display: flex; transition: transform 0.5s ease; }
.uidc-carousel-slide { min-width: 100%; position: relative; cursor: pointer; }
.uidc-carousel-slide img { width: 100%; height: 190px; object-fit: cover; }
.uidc-carousel-caption {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.88));
  padding: 1.4rem 1.1rem 0.9rem;
}
.uidc-carousel-caption h3 { color: var(--uidc-primary); font-size: 1.6rem; margin-bottom: 0.3rem; }
.uidc-carousel-caption p { color: var(--uidc-text); font-size: 1.2rem; }
.uidc-carousel-arrow {
  position: absolute; top: 45%; transform: translateY(-50%); width: 32px; height: 32px;
  background: rgba(0, 0, 0, 0.5); border: none; color: var(--uidc-primary);
  font-size: 1.5rem; cursor: pointer; border-radius: 50%; z-index: 5;
  display: flex; align-items: center; justify-content: center;
}
.uidc-carousel-arrow:hover { background: var(--uidc-primary); color: #2a2a2a; }
.uidc-carousel-prev { left: 0.7rem; }
.uidc-carousel-next { right: 0.7rem; }
.uidc-carousel-dots {
  position: absolute; bottom: 0.6rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.4rem; z-index: 5;
}
.uidc-carousel-dot {
  width: 8px; height: 8px; background: rgba(253, 245, 230, 0.5);
  border-radius: 50%; cursor: pointer; border: none; padding: 0; transition: all 0.3s ease;
}
.uidc-carousel-dot.uidc-dot-active { background: var(--uidc-primary); width: 18px; border-radius: 4px; }

/* Sections */
.uidc-section { margin-bottom: 1.8rem; padding: 0 1.2rem; }
.uidc-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 0.9rem; padding-bottom: 0.5rem; border-bottom: 2px solid var(--uidc-border);
}
.uidc-section-title {
  font-size: 1.7rem; font-weight: 800; color: var(--uidc-primary);
  display: flex; align-items: center; gap: 0.5rem;
}
.uidc-section-title i, .uidc-section-title .material-icons { font-size: 1.9rem; color: var(--uidc-primary-dark); }
.uidc-section-more { color: var(--uidc-primary); font-size: 1.2rem; font-weight: 600; }
.uidc-cat-badge {
  display: inline-block; background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  color: #2a2a2a; padding: 0.25rem 0.7rem; border-radius: 12px;
  font-size: 1.1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
}

/* Game grid */
.uidc-game-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; }
.uidc-game-card {
  background: var(--uidc-bg-card); border-radius: var(--uidc-radius-sm);
  padding: 0.5rem; text-align: center; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.uidc-game-card:hover { transform: translateY(-3px); border-color: var(--uidc-primary); }
.uidc-game-card img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 6px; margin-bottom: 0.3rem; }
.uidc-game-name {
  font-size: 1.1rem; color: var(--uidc-text); line-height: 1.25; height: 2.8rem;
  overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
}

/* Cards */
.uidc-card {
  background: var(--uidc-bg-card); border-radius: var(--uidc-radius); padding: 1.1rem;
  border: 1px solid var(--uidc-border); margin: 0 1.2rem 1rem;
}
.uidc-card h2 { color: var(--uidc-primary); font-size: 1.6rem; margin-bottom: 0.5rem; }
.uidc-card h3 { color: var(--uidc-primary); font-size: 1.4rem; margin: 0.6rem 0 0.4rem; }
.uidc-card p { color: var(--uidc-text); font-size: 1.3rem; margin-bottom: 0.6rem; line-height: 1.6; }
.uidc-card ul { list-style: none; padding: 0; }
.uidc-card ul li {
  position: relative; padding-left: 1.5rem; margin-bottom: 0.4rem;
  color: var(--uidc-text); font-size: 1.3rem; line-height: 1.5;
}
.uidc-card ul li::before { content: '▶'; position: absolute; left: 0; color: var(--uidc-primary); font-size: 0.9rem; top: 0.2rem; }
.uidc-card ol { padding-left: 1.6rem; color: var(--uidc-text); font-size: 1.3rem; }
.uidc-card ol li { margin-bottom: 0.4rem; line-height: 1.55; }

/* FAQ */
.uidc-faq-item {
  background: var(--uidc-bg-card); border-radius: var(--uidc-radius-sm);
  margin-bottom: 0.5rem; border: 1px solid var(--uidc-border); overflow: hidden;
}
.uidc-faq-q {
  padding: 0.9rem 1.1rem; font-weight: 700; color: var(--uidc-primary);
  font-size: 1.3rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.uidc-faq-q .uidc-faq-icon { font-size: 1.4rem; transition: transform 0.2s ease; }
.uidc-faq-item.uidc-faq-open .uidc-faq-icon { transform: rotate(45deg); }
.uidc-faq-a { padding: 0 1.1rem 0.9rem; color: var(--uidc-text); font-size: 1.25rem; line-height: 1.55; }

/* CTA */
.uidc-cta {
  background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  border-radius: var(--uidc-radius); padding: 1.4rem 1.1rem; text-align: center;
  margin: 1.3rem 1.2rem; box-shadow: var(--uidc-shadow);
}
.uidc-cta h2 { color: #2a2a2a; font-size: 1.8rem; margin-bottom: 0.4rem; }
.uidc-cta p { color: #3d3d3d; font-size: 1.25rem; margin-bottom: 0.9rem; }
.uidc-cta .uidc-btn { background: #2a2a2a; color: var(--uidc-primary); padding: 0.85rem 1.8rem; font-size: 1.35rem; }

/* Stats */
.uidc-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem; }
.uidc-stat {
  background: var(--uidc-bg-card); padding: 0.9rem; border-radius: var(--uidc-radius-sm);
  text-align: center; border: 1px solid var(--uidc-border);
}
.uidc-stat-num { font-size: 1.9rem; font-weight: 900; color: var(--uidc-primary); display: block; }
.uidc-stat-label { font-size: 1.15rem; color: var(--uidc-text-muted); }

/* Testimonials */
.uidc-testimonial {
  background: var(--uidc-bg-card); padding: 0.9rem; border-radius: var(--uidc-radius-sm);
  margin-bottom: 0.7rem; border-left: 3px solid var(--uidc-primary);
}
.uidc-testimonial-stars { color: var(--uidc-primary); font-size: 1.15rem; margin-bottom: 0.3rem; }
.uidc-testimonial p { color: var(--uidc-text); font-size: 1.25rem; margin-bottom: 0.3rem; font-style: italic; }
.uidc-testimonial-author { color: var(--uidc-primary); font-size: 1.15rem; font-weight: 700; }

/* Winners */
.uidc-winner {
  display: flex; align-items: center; gap: 0.7rem; background: var(--uidc-bg-card);
  padding: 0.6rem; border-radius: var(--uidc-radius-sm); margin-bottom: 0.4rem;
}
.uidc-winner-avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  display: flex; align-items: center; justify-content: center; font-weight: 800; color: #2a2a2a; font-size: 1.2rem;
}
.uidc-winner-info { flex: 1; }
.uidc-winner-name { color: var(--uidc-text); font-size: 1.2rem; font-weight: 700; }
.uidc-winner-game { color: var(--uidc-text-muted); font-size: 1.05rem; }
.uidc-winner-amount { color: var(--uidc-primary); font-weight: 800; font-size: 1.3rem; }

/* Payment */
.uidc-payment-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.5rem; }
.uidc-payment {
  background: var(--uidc-bg-card); border: 1px solid var(--uidc-border);
  border-radius: var(--uidc-radius-sm); padding: 0.7rem 0.3rem; text-align: center;
  font-size: 1.05rem; color: var(--uidc-text);
}
.uidc-payment i, .uidc-payment .material-icons { font-size: 1.7rem; color: var(--uidc-primary); margin-bottom: 0.2rem; display: block; }

/* Features list */
.uidc-feature {
  display: flex; gap: 0.8rem; align-items: flex-start; margin-bottom: 0.8rem;
  background: var(--uidc-bg-card); padding: 0.8rem; border-radius: var(--uidc-radius-sm);
  border: 1px solid var(--uidc-border);
}
.uidc-feature-icon {
  width: 40px; height: 40px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  color: #2a2a2a; font-size: 1.6rem;
}
.uidc-feature h4 { color: var(--uidc-primary); font-size: 1.3rem; margin-bottom: 0.2rem; }
.uidc-feature p { color: var(--uidc-text); font-size: 1.2rem; line-height: 1.4; margin: 0; }

/* Footer */
.uidc-footer {
  background: #2a2a2a; padding: 1.5rem 1.2rem 1.8rem;
  border-top: 2px solid var(--uidc-primary); margin-top: 1.5rem;
}
.uidc-footer h4 {
  color: var(--uidc-primary); font-size: 1.35rem; margin-bottom: 0.5rem;
  text-transform: uppercase; letter-spacing: 1px;
}
.uidc-footer p { color: var(--uidc-text); font-size: 1.2rem; margin-bottom: 0.7rem; line-height: 1.5; }
.uidc-footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.3rem; margin: 0.7rem 0; }
.uidc-footer-links a { color: var(--uidc-text); font-size: 1.15rem; padding: 0.25rem 0; }
.uidc-footer-links a:hover { color: var(--uidc-primary); }
.uidc-footer-promos { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.7rem 0; }
.uidc-footer-promos button, .uidc-footer-promos a {
  flex: 1 1 calc(50% - 0.25rem); background: linear-gradient(135deg, var(--uidc-primary), var(--uidc-primary-dark));
  color: #2a2a2a; padding: 0.6rem; border-radius: var(--uidc-radius-sm);
  font-size: 1.15rem; font-weight: 700; text-align: center; border: none; cursor: pointer; font-family: inherit;
}
.uidc-footer-copy {
  text-align: center; color: var(--uidc-text-muted); font-size: 1.1rem;
  margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--uidc-border);
}

/* Bottom nav */
.uidc-bottomnav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 62px;
  background: linear-gradient(180deg, #3d3d3d, #2a2a2a);
  border-top: 1px solid var(--uidc-border); display: flex; justify-content: space-around;
  align-items: center; z-index: 1000; box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.4);
}
.uidc-bottomnav-btn {
  flex: 1; min-width: 60px; min-height: 60px; background: transparent; border: none;
  color: var(--uidc-text-muted); display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 0.15rem; cursor: pointer; font-family: inherit; font-size: 0.95rem;
  transition: color 0.2s ease, transform 0.2s ease; position: relative;
}
.uidc-bottomnav-btn i, .uidc-bottomnav-btn .material-icons { font-size: 2.1rem; }
.uidc-bottomnav-btn:hover { color: var(--uidc-primary); transform: translateY(-2px); }
.uidc-bottomnav-btn.uidc-nav-active { color: var(--uidc-primary); }
.uidc-bottomnav-btn.uidc-nav-active::before {
  content: ''; position: absolute; top: 0; width: 32px; height: 3px;
  background: var(--uidc-primary); border-radius: 0 0 4px 4px;
}
.uidc-bottomnav-promo { color: var(--uidc-primary); }
.uidc-bottomnav-badge {
  position: absolute; top: 6px; right: 18px; background: var(--uidc-danger); color: #fff;
  font-size: 0.85rem; min-width: 16px; height: 16px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center; padding: 0 4px;
}

@media (min-width: 769px) {
  .uidc-bottomnav { display: none; }
  .uidc-main { padding-bottom: 2rem; }
}
@media (max-width: 768px) { .uidc-main { padding-bottom: 80px; } }

/* Utilities */
.uidc-text-center { text-align: center; }
.uidc-highlight { color: var(--uidc-primary); font-weight: 700; }
.uidc-inline-link { color: var(--uidc-primary); font-weight: 700; text-decoration: underline; }
.uidc-inline-link:hover { color: var(--uidc-primary-dark); }
.uidc-note { color: var(--uidc-text-muted); font-size: 1.15rem; font-style: italic; }