/* hk79 - core base stylesheet
 * All custom class names use the gb7c- prefix.
 * Mobile-first, max-width 430px. Comments in English.
 */

:root {
  --gb7c-primary: #000080;   /* Navy */
  --gb7c-accent: #6C757D;    /* Cool gray */
  --gb7c-deep: #2C3E50;      /* Deep slate */
  --gb7c-bg: #0b0f2a;
  --gb7c-bg-2: #121a3a;
  --gb7c-card: #1a2348;
  --gb7c-text: #f1f3f8;
  --gb7c-muted: #b6bdd6;
  --gb7c-gold: #f5c451;
  --gb7c-success: #2ecc71;
  --gb7c-danger: #e74c3c;
  --gb7c-radius: 1.2rem;
  --gb7c-shadow: 0 0.3rem 1rem rgba(0, 0, 0, 0.35);
}

/* Base reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--gb7c-bg);
  color: var(--gb7c-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  max-width: 430px;
  margin: 0 auto;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gb7c-gold); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.4; color: var(--gb7c-text); }
h1 { font-size: 2.2rem; margin: 1.2rem 0; }
h2 { font-size: 1.9rem; margin: 1rem 0; }
h3 { font-size: 1.6rem; margin: 0.8rem 0; }
p { margin: 0.6rem 0; color: var(--gb7c-muted); }

.gb7c-wrapper { width: 100%; min-height: 100vh; position: relative; }
.gb7c-container { padding: 0 1.2rem; }

/* ---------- Header ---------- */
.gb7c-header {
  position: fixed; top: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px;
  background: linear-gradient(135deg, var(--gb7c-primary), var(--gb7c-deep));
  z-index: 1000;
  box-shadow: var(--gb7c-shadow);
}
.gb7c-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.6rem 1rem; gap: 0.6rem;
}
.gb7c-brand { display: flex; align-items: center; gap: 0.6rem; color: var(--gb7c-text); }
.gb7c-brand img { width: 2.8rem; height: 2.8rem; border-radius: 0.5rem; }
.gb7c-brand-name { font-size: 1.6rem; font-weight: 800; color: var(--gb7c-gold); }
.gb7c-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.gb7c-btn {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.6rem 1rem; border-radius: 2rem; border: none;
  font-size: 1.25rem; font-weight: 700; cursor: pointer;
  min-height: 3.4rem; transition: transform 0.15s, opacity 0.15s;
}
.gb7c-btn:active { transform: scale(0.94); }
.gb7c-btn-register { background: var(--gb7c-gold); color: var(--gb7c-deep); }
.gb7c-btn-login { background: transparent; color: var(--gb7c-text); border: 0.15rem solid var(--gb7c-gold); }
.gb7c-menu-btn {
  background: transparent; border: none; color: var(--gb7c-text);
  font-size: 2rem; cursor: pointer; min-width: 4.4rem; min-height: 4.4rem;
}

/* Expandable navigation menu */
.gb7c-mobile-menu {
  display: none; flex-direction: column;
  background: var(--gb7c-bg-2); padding: 0.6rem 1rem 1rem;
  border-top: 0.1rem solid rgba(255,255,255,0.08);
}
.gb7c-mobile-menu.gb7c-menu-open { display: flex; }
.gb7c-mobile-menu a {
  display: block; padding: 0.9rem 0.6rem;
  color: var(--gb7c-text); border-bottom: 0.1rem solid rgba(255,255,255,0.06);
  font-size: 1.35rem;
}
.gb7c-mobile-menu a:last-child { border-bottom: none; }
.gb7c-mobile-menu a i { margin-right: 0.6rem; color: var(--gb7c-gold); }

/* Desktop nav (hidden on mobile) */
.gb7c-desktop-nav { display: none; }

/* ---------- Main layout ---------- */
.gb7c-main { padding-top: 5.4rem; padding-bottom: 8rem; }

/* ---------- Carousel ---------- */
.gb7c-carousel {
  position: relative; width: 100%; height: 18rem;
  border-radius: var(--gb7c-radius); overflow: hidden;
  margin: 1rem 0; box-shadow: var(--gb7c-shadow);
}
.gb7c-slide {
  position: absolute; inset: 0; opacity: 0; transition: opacity 0.6s ease;
  display: flex; align-items: flex-end; padding: 1.2rem;
  background-size: cover; background-position: center;
}
.gb7c-slide.gb7c-slide-active { opacity: 1; }
.gb7c-slide-caption {
  background: rgba(0,0,0,0.55); padding: 0.6rem 1rem; border-radius: 0.8rem;
  font-size: 1.3rem; color: #fff; font-weight: 600;
}
.gb7c-carousel-dots {
  position: absolute; bottom: 0.6rem; left: 50%; transform: translateX(-50%);
  display: flex; gap: 0.4rem;
}
.gb7c-dot {
  width: 0.8rem; height: 0.8rem; border-radius: 50%;
  background: rgba(255,255,255,0.4); border: none; cursor: pointer;
}

/* ---------- Section ---------- */
.gb7c-section { margin: 1.6rem 0; }
.gb7c-section-title {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 1.7rem; color: var(--gb7c-gold); margin-bottom: 0.8rem;
  border-left: 0.4rem solid var(--gb7c-gold); padding-left: 0.8rem;
}
.gb7c-section-title .material-icons-outlined,
.gb7c-section-title .icon { font-size: 2rem; }

/* ---------- Game grid ---------- */
.gb7c-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.8rem;
}
.gb7c-game {
  display: flex; flex-direction: column; align-items: center;
  background: var(--gb7c-card); border-radius: 1rem; overflow: hidden;
  cursor: pointer; transition: transform 0.15s;
  text-align: center; min-height: 8rem;
}
.gb7c-game:active { transform: scale(0.96); }
.gb7c-game img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.gb7c-game-name {
  font-size: 1.1rem; color: var(--gb7c-text); padding: 0.4rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis; width: 100%;
}

/* ---------- Cards ---------- */
.gb7c-card {
  background: var(--gb7c-card); border-radius: var(--gb7c-radius);
  padding: 1.2rem; margin: 0.8rem 0; box-shadow: var(--gb7c-shadow);
}
.gb7c-card-title { color: var(--gb7c-gold); font-size: 1.5rem; margin-bottom: 0.5rem; }
.gb7c-card ul { padding-left: 1.4rem; color: var(--gb7c-muted); }
.gb7c-card li { margin: 0.3rem 0; }

/* Inline promotion text link */
.gb7c-promo-link {
  color: var(--gb7c-gold); font-weight: 700; cursor: pointer;
}
.gb7c-promo-link:hover { text-decoration: underline; }

/* CTA banner */
.gb7c-cta {
  background: linear-gradient(135deg, var(--gb7c-primary), var(--gb7c-deep));
  border-radius: var(--gb7c-radius); padding: 1.4rem; text-align: center;
  margin: 1.2rem 0; box-shadow: var(--gb7c-shadow);
}
.gb7c-cta h3 { color: var(--gb7c-gold); margin-bottom: 0.6rem; }
.gb7c-cta p { color: var(--gb7c-text); margin-bottom: 1rem; }

/* Feature chips */
.gb7c-chips { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.gb7c-chip {
  background: rgba(245,196,81,0.12); color: var(--gb7c-gold);
  padding: 0.4rem 0.9rem; border-radius: 2rem; font-size: 1.15rem;
  border: 0.1rem solid rgba(245,196,81,0.3);
}

/* Winners list */
.gb7c-winners { display: flex; flex-direction: column; gap: 0.5rem; }
.gb7c-winner {
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(255,255,255,0.04); padding: 0.6rem 0.9rem; border-radius: 0.8rem;
  font-size: 1.2rem;
}
.gb7c-winner .amt { color: var(--gb7c-success); font-weight: 700; }

/* Payment row */
.gb7c-payments { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.gb7c-pay {
  flex: 1 1 6rem; min-width: 6rem; text-align: center;
  background: rgba(255,255,255,0.05); border-radius: 0.6rem; padding: 0.5rem;
  font-size: 1.1rem; color: var(--gb7c-muted);
}

/* ---------- Footer ---------- */
.gb7c-footer {
  background: var(--gb7c-bg-2); padding: 1.6rem 1.2rem 1rem;
  border-top: 0.1rem solid rgba(255,255,255,0.08);
}
.gb7c-footer-brand { color: var(--gb7c-muted); font-size: 1.25rem; margin-bottom: 1rem; }
.gb7c-footer-links {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.4rem 0.8rem;
  margin-bottom: 1rem;
}
.gb7c-footer-links a { color: var(--gb7c-text); font-size: 1.2rem; }
.gb7c-footer-promos { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.gb7c-footer-promos .gb7c-btn { font-size: 1.1rem; padding: 0.5rem 0.8rem; }
.gb7c-footer-copy { color: var(--gb7c-muted); font-size: 1.1rem; text-align: center; }

/* ---------- Mobile bottom nav ---------- */
.gb7c-bnav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px; height: 6.2rem;
  background: linear-gradient(180deg, var(--gb7c-deep), var(--gb7c-primary));
  display: flex; justify-content: space-around; align-items: center;
  z-index: 1000; box-shadow: 0 -0.3rem 1rem rgba(0,0,0,0.4);
  border-top: 0.1rem solid rgba(245,196,81,0.3);
}
.gb7c-bnav-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: transparent; border: none; color: var(--gb7c-muted);
  min-width: 6rem; min-height: 6rem; cursor: pointer;
  font-size: 1.1rem; gap: 0.2rem; transition: color 0.15s, transform 0.15s;
}
.gb7c-bnav-btn:active { transform: scale(0.92); }
.gb7c-bnav-btn i, .gb7c-bnav-btn .material-icons-outlined,
.gb7c-bnav-btn .material-icons { font-size: 2.4rem; }
.gb7c-bnav-btn.gb7c-bnav-active { color: var(--gb7c-gold); }
.gb7c-bnav-btn.gb7c-bnav-active i { color: var(--gb7c-gold); }
.gb7c-bnav-badge {
  position: absolute; top: 0.6rem; right: 1.2rem;
  background: var(--gb7c-danger); color: #fff; font-size: 0.9rem;
  border-radius: 1rem; padding: 0 0.4rem; min-width: 1.4rem; text-align: center;
}

/* ---------- Responsive ---------- */
@media (min-width: 769px) {
  .gb7c-bnav { display: none; }
  .gb7c-main { padding-bottom: 2rem; }
  .gb7c-grid { grid-template-columns: repeat(6, 1fr); }
  .gb7c-footer-links { grid-template-columns: repeat(4, 1fr); }
  .gb7c-desktop-nav { display: flex; gap: 1rem; }
  .gb7c-desktop-nav a { color: var(--gb7c-text); font-size: 1.3rem; }
}
@media (max-width: 768px) {
  .gb7c-main { padding-bottom: 8rem; }
}
@media (max-width: 360px) {
  .gb7c-grid { grid-template-columns: repeat(2, 1fr); }
  .gb7c-brand-name { font-size: 1.4rem; }
}