/* ============================================================
   worm game - design.css
   Mobile-first design. All custom classes use the ui80- prefix.
   Palette: #FF6347 (coral), #0000FF (royal blue), #E65100 (amber),
            #E0FFFF (light cyan text), #1A1A1A (dark bg).
   ============================================================ */

:root {
  --ui80-primary: #FF6347;
  --ui80-blue: #0000FF;
  --ui80-amber: #E65100;
  --ui80-light: #E0FFFF;
  --ui80-bg: #1A1A1A;
  --ui80-bg-alt: #232323;
  --ui80-card: #2a2a2a;
  --ui80-text: #f5f7f9;
  --ui80-muted: #b8bfc7;
  --ui80-border: #3a3a3a;
  --ui80-radius: 1.2rem;
}

/* Root font scaling: 62.5% -> 1rem = 10px */
html { font-size: 62.5%; -webkit-text-size-adjust: 100%; }

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', Roboto, system-ui, -apple-system, sans-serif;
  background: var(--ui80-bg);
  color: var(--ui80-text);
  line-height: 1.5rem;
  font-size: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--ui80-light); text-decoration: none; }

/* ----------------------- Header ----------------------- */
.ui80-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: linear-gradient(135deg, #141414 0%, #2a0d05 100%);
  border-bottom: 2px solid var(--ui80-primary);
  max-width: 430px;
  margin: 0 auto;
}
.ui80-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  gap: 0.8rem;
}
.ui80-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}
.ui80-logo img { width: 2.8rem; height: 2.8rem; border-radius: 0.5rem; }
.ui80-logo-text {
  font-size: 1.7rem;
  font-weight: 800;
  background: linear-gradient(90deg, var(--ui80-primary), var(--ui80-amber));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ui80-header-actions { display: flex; gap: 0.5rem; align-items: center; }
.ui80-btn {
  border: none;
  border-radius: 0.8rem;
  padding: 0.7rem 1.3rem;
  font-size: 1.3rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  min-height: 3.6rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.ui80-btn:active { transform: scale(0.96); }
.ui80-btn-register {
  background: linear-gradient(135deg, var(--ui80-primary), var(--ui80-amber));
  color: #fff;
  box-shadow: 0 3px 10px rgba(255,99,71,0.35);
}
.ui80-btn-login {
  background: transparent;
  color: var(--ui80-light);
  border: 1.5px solid var(--ui80-primary);
}
.ui80-menu-toggle {
  background: transparent;
  border: none;
  color: var(--ui80-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.4rem;
  min-width: 3rem;
  min-height: 3rem;
}

/* ----------------------- Mobile menu ----------------------- */
.ui80-mobile-menu {
  position: fixed;
  top: 0; left: 0; right: 0;
  background: #161616;
  border-bottom: 2px solid var(--ui80-amber);
  z-index: 9999;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  max-width: 430px;
  margin: 0 auto;
}
.ui80-mobile-menu.ui80-menu-open { max-height: 70vh; overflow-y: auto; }
.ui80-menu-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--ui80-border);
}
.ui80-menu-head h3 { font-size: 1.6rem; color: var(--ui80-primary); }
.ui80-menu-close {
  background: transparent;
  border: none;
  color: var(--ui80-light);
  font-size: 2.2rem;
  cursor: pointer;
}
.ui80-menu-list { list-style: none; padding: 0.5rem 0; }
.ui80-menu-list li a {
  display: block;
  padding: 1.2rem 1.4rem;
  color: var(--ui80-text);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-weight: 600;
}
.ui80-menu-list li a:hover,
.ui80-menu-list li a:active { background: rgba(255,99,71,0.12); color: var(--ui80-primary); }

/* ----------------------- Layout ----------------------- */
.ui80-main { padding-top: 6rem; padding-bottom: 8rem; }
.ui80-container { padding: 0 1.2rem; }
.ui80-section { padding: 2rem 0; }
.ui80-section-title {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--ui80-light);
  margin-bottom: 1rem;
  padding-left: 1rem;
  border-left: 4px solid var(--ui80-primary);
}

/* ----------------------- Hero carousel ----------------------- */
.ui80-hero {
  position: relative;
  margin: 1rem 0;
  border-radius: var(--ui80-radius);
  overflow: hidden;
  aspect-ratio: 16 / 8;
  background: #000;
}
.ui80-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  cursor: pointer;
}
.ui80-slide.ui80-slide-active { opacity: 1; }
.ui80-slide img { width: 100%; height: 100%; object-fit: cover; }
.ui80-slide-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.4rem 1.2rem 1.2rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.85));
  color: #fff;
}
.ui80-slide-caption h2 { font-size: 1.7rem; font-weight: 800; margin-bottom: 0.3rem; }
.ui80-slide-caption p { font-size: 1.25rem; color: var(--ui80-light); }
.ui80-hero-dots {
  position: absolute;
  bottom: 0.6rem; right: 1rem;
  display: flex; gap: 0.5rem;
  z-index: 2;
}
.ui80-hero-dots span {
  width: 0.8rem; height: 0.8rem;
  border-radius: 50%;
  background: rgba(255,255,255,0.4);
  cursor: pointer;
}
.ui80-hero-dots span.ui80-dot-active { background: var(--ui80-primary); }

/* ----------------------- H1 banner ----------------------- */
.ui80-h1-banner {
  background: linear-gradient(135deg, var(--ui80-blue), var(--ui80-primary));
  padding: 1.6rem 1.2rem;
  border-radius: var(--ui80-radius);
  margin: 1rem 0;
  text-align: center;
}
.ui80-h1-banner h1 {
  font-size: 2.2rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.25;
}
.ui80-h1-banner p { color: var(--ui80-light); margin-top: 0.5rem; font-size: 1.3rem; }

/* ----------------------- Game grid ----------------------- */
.ui80-game-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}
.ui80-game-card {
  background: var(--ui80-card);
  border-radius: 1rem;
  padding: 0.7rem;
  text-align: center;
  cursor: pointer;
  border: 1px solid var(--ui80-border);
  transition: transform 0.15s, border-color 0.15s;
}
.ui80-game-card:hover, .ui80-game-card:active {
  transform: translateY(-3px);
  border-color: var(--ui80-primary);
}
.ui80-game-card img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 0.7rem;
  margin-bottom: 0.5rem;
}
.ui80-game-card .ui80-game-name {
  font-size: 1.15rem;
  color: var(--ui80-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 600;
}
.ui80-cat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 1.5rem 0 1rem;
}
.ui80-cat-header h2 {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--ui80-primary);
}
.ui80-cat-badge {
  background: var(--ui80-amber);
  color: #fff;
  font-size: 1rem;
  padding: 0.2rem 0.8rem;
  border-radius: 1rem;
  font-weight: 700;
}

/* ----------------------- Info / FAQ / feature blocks ----------------------- */
.ui80-content p { margin-bottom: 1rem; color: var(--ui80-muted); }
.ui80-content strong { color: var(--ui80-primary); }
.ui80-content a { color: var(--ui80-primary); font-weight: 700; }
.ui80-content h2 { font-size: 1.8rem; font-weight: 800; margin: 1.5rem 0 0.8rem; color: var(--ui80-light); }
.ui80-content h3 { font-size: 1.5rem; font-weight: 700; margin: 1rem 0 0.5rem; color: var(--ui80-amber); }
.ui80-content ul { margin: 0.5rem 0 1rem 1.8rem; color: var(--ui80-muted); }
.ui80-content li { margin-bottom: 0.4rem; }

.ui80-faq-item {
  background: var(--ui80-card);
  border-radius: 0.8rem;
  padding: 1rem 1.2rem;
  margin-bottom: 0.8rem;
  border-left: 3px solid var(--ui80-amber);
}
.ui80-faq-item h3 { color: var(--ui80-primary); margin-bottom: 0.4rem; }
.ui80-faq-item p { color: var(--ui80-muted); margin: 0; }

/* ----------------------- Promo banner / CTA ----------------------- */
.ui80-cta {
  background: linear-gradient(135deg, var(--ui80-amber), var(--ui80-primary));
  border-radius: var(--ui80-radius);
  padding: 1.6rem 1.2rem;
  text-align: center;
  margin: 1.5rem 0;
  color: #fff;
}
.ui80-cta h2 { font-size: 2rem; font-weight: 900; margin-bottom: 0.5rem; }
.ui80-cta p { font-size: 1.3rem; margin-bottom: 1rem; color: #fff; }
.ui80-cta-btn {
  background: #fff;
  color: var(--ui80-amber);
  font-weight: 800;
  padding: 1rem 2.4rem;
  border-radius: 2rem;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.ui80-cta-btn:active { transform: scale(0.96); }

/* ----------------------- Cards row (winners / features) ----------------------- */
.ui80-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}
.ui80-info-card {
  background: var(--ui80-card);
  border-radius: 1rem;
  padding: 1.2rem;
  border: 1px solid var(--ui80-border);
}
.ui80-info-card .ui80-icon {
  font-size: 2.4rem;
  color: var(--ui80-primary);
  margin-bottom: 0.6rem;
}
.ui80-info-card h3 { font-size: 1.4rem; margin-bottom: 0.4rem; color: var(--ui80-light); }
.ui80-info-card p { font-size: 1.2rem; color: var(--ui80-muted); }

.ui80-winner {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: var(--ui80-card);
  padding: 0.7rem 1rem;
  border-radius: 0.8rem;
  margin-bottom: 0.6rem;
  border-left: 3px solid var(--ui80-primary);
}
.ui80-winner .ui80-amount {
  margin-left: auto;
  color: var(--ui80-amber);
  font-weight: 800;
  font-size: 1.3rem;
}

/* ----------------------- Payment methods ----------------------- */
.ui80-pay-row { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.ui80-pay-row img {
  width: 5rem; height: 5rem;
  object-fit: contain;
  background: #fff;
  border-radius: 0.6rem;
  padding: 0.4rem;
}

/* ----------------------- Footer ----------------------- */
.ui80-footer {
  background: #111;
  border-top: 3px solid var(--ui80-primary);
  padding: 2rem 1.2rem 8rem;
  color: var(--ui80-muted);
}
.ui80-footer-brand { margin-bottom: 1.5rem; }
.ui80-footer-brand h3 {
  color: var(--ui80-primary);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}
.ui80-footer-brand p { font-size: 1.25rem; line-height: 1.6rem; }
.ui80-footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem 1rem;
  margin: 1.2rem 0;
}
.ui80-footer-links a {
  font-size: 1.2rem;
  color: var(--ui80-muted);
  padding: 0.3rem 0;
}
.ui80-footer-links a:hover { color: var(--ui80-primary); }
.ui80-footer-promo {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 1rem 0;
}
.ui80-footer-promo button {
  flex: 1 1 40%;
  background: var(--ui80-primary);
  color: #fff;
  border: none;
  padding: 0.7rem 0.5rem;
  border-radius: 0.6rem;
  font-size: 1.15rem;
  font-weight: 700;
  cursor: pointer;
}
.ui80-footer-copy {
  border-top: 1px solid var(--ui80-border);
  margin-top: 1.5rem;
  padding-top: 1rem;
  font-size: 1.15rem;
  text-align: center;
}

/* ----------------------- Bottom nav (mobile only) ----------------------- */
.ui80-bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 1000;
  height: 6rem;
  background: linear-gradient(180deg, #1c1c1c 0%, #0d0d0d 100%);
  border-top: 2px solid var(--ui80-primary);
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  max-width: 430px;
  margin: 0 auto;
}
.ui80-bottom-nav a, .ui80-bottom-nav button {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  background: transparent;
  border: none;
  color: var(--ui80-muted);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  min-width: 6rem;
  min-height: 6rem;
  transition: color 0.2s, transform 0.2s;
  position: relative;
}
.ui80-bottom-nav .ui80-nav-icon { font-size: 2.2rem; line-height: 1; }
.ui80-bottom-nav a:hover, .ui80-bottom-nav button:hover { color: var(--ui80-light); }
.ui80-bottom-nav a:active, .ui80-bottom-nav button:active { transform: scale(0.92); }
.ui80-bottom-nav .ui80-active { color: var(--ui80-primary); }
.ui80-bottom-nav .ui80-active::after {
  content: '';
  position: absolute;
  top: 0;
  width: 2.5rem;
  height: 0.3rem;
  background: var(--ui80-primary);
  border-radius: 0 0 0.3rem 0.3rem;
}

/* ----------------------- Desktop ----------------------- */
@media (min-width: 769px) {
  body { max-width: 100%; }
  .ui80-header, .ui80-mobile-menu, .ui80-bottom-nav { max-width: 100%; }
  .ui80-bottom-nav { display: none; }
  .ui80-main { padding-bottom: 2rem; }
  .ui80-footer { padding-bottom: 2rem; }
}
@media (min-width: 431px) and (max-width: 768px) {
  body { max-width: 430px; }
}