/* =========================================================
   Play Time App - Base Stylesheet
   Prefix: pg31-
   Palette: #B8860B (gold) | #EEE8AA (light) | #F4A460 (sandy) | #1B263B (deep navy)
   Mobile-first HTML5 gaming layout (max-width: 430px)
   ========================================================= */

:root {
  --pg31-gold: #B8860B;
  --pg31-light: #EEE8AA;
  --pg31-sandy: #F4A460;
  --pg31-navy: #1B263B;
  --pg31-navy-2: #243450;
  --pg31-navy-3: #2e436a;
  --pg31-cream: #FFF8E7;
  --pg31-white: #ffffff;
  --pg31-muted: #c8d0de;
  --pg31-text: #EEE8AA;
  --pg31-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
  --pg31-radius: 14px;
  --pg31-radius-sm: 10px;
  --pg31-transition: 0.25s ease;
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html { font-size: 62.5%; scroll-behavior: smooth; }

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", sans-serif;
  background: linear-gradient(160deg, #1B263B 0%, #15203a 60%, #0f1830 100%);
  color: var(--pg31-text);
  line-height: 1.5;
  font-size: 1.5rem;
  max-width: 430px;
  margin: 0 auto;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

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

a { color: var(--pg31-sandy); text-decoration: none; transition: color var(--pg31-transition); }
a:hover { color: var(--pg31-light); }

/* ===== Header ===== */
.pg31-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(120deg, #1B263B 0%, #243450 100%);
  border-bottom: 2px solid var(--pg31-gold);
  padding: 0.8rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 4px 14px rgba(0,0,0,0.35);
}

.pg31-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  color: var(--pg31-light);
  font-size: 1.7rem;
  letter-spacing: 0.3px;
}
.pg31-logo img { width: 36px; height: 36px; border-radius: 8px; border: 1px solid var(--pg31-gold); }
.pg31-logo span { color: var(--pg31-gold); }

.pg31-header-actions { display: flex; align-items: center; gap: 0.6rem; }

.pg31-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.35rem;
  padding: 0.7rem 1.3rem;
  border-radius: 30px;
  transition: transform var(--pg31-transition), box-shadow var(--pg31-transition), filter var(--pg31-transition);
  font-family: inherit;
}
.pg31-btn:active { transform: scale(0.96); }

.pg31-btn-register {
  background: linear-gradient(135deg, #F4A460 0%, #B8860B 100%);
  color: #1B263B;
  box-shadow: 0 4px 12px rgba(184, 134, 11, 0.45);
}
.pg31-btn-register:hover { filter: brightness(1.08); color: #1B263B; }

.pg31-btn-login {
  background: transparent;
  color: var(--pg31-light);
  border: 1.5px solid var(--pg31-gold);
}
.pg31-btn-login:hover { background: rgba(184,134,11,0.18); color: var(--pg31-light); }

.pg31-menu-toggle {
  background: transparent;
  border: none;
  color: var(--pg31-light);
  font-size: 2rem;
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  display: flex;
  align-items: center;
}

/* ===== Mobile Menu Drawer ===== */
.pg31-drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--pg31-transition);
}
.pg31-drawer-backdrop.pg31-open { opacity: 1; visibility: visible; }

.pg31-drawer {
  position: fixed;
  top: 0;
  right: -85%;
  width: 80%;
  max-width: 320px;
  height: 100%;
  background: linear-gradient(160deg, #1B263B 0%, #243450 100%);
  z-index: 9999;
  padding: 2rem 1.5rem;
  transition: right 0.3s ease;
  overflow-y: auto;
  border-left: 2px solid var(--pg31-gold);
}
.pg31-drawer.pg31-open { right: 0; }
.pg31-drawer h3 { color: var(--pg31-gold); font-size: 1.5rem; margin: 1.4rem 0 0.8rem; letter-spacing: 0.5px; }
.pg31-drawer ul { list-style: none; }
.pg31-drawer li { border-bottom: 1px solid rgba(184,134,11,0.18); }
.pg31-drawer a {
  display: block;
  padding: 1rem 0.4rem;
  color: var(--pg31-light);
  font-size: 1.4rem;
}
.pg31-drawer a:hover { color: var(--pg31-sandy); padding-left: 0.8rem; }
.pg31-drawer-close {
  background: transparent;
  border: none;
  color: var(--pg31-light);
  font-size: 2rem;
  cursor: pointer;
  position: absolute;
  top: 1rem;
  right: 1.2rem;
}

/* ===== Hero / Carousel ===== */
.pg31-hero {
  position: relative;
  padding: 1.5rem 1rem 1.2rem;
  overflow: hidden;
}
.pg31-hero-slides { display: flex; transition: transform 0.5s ease; }
.pg31-hero-slide {
  min-width: 100%;
  border-radius: var(--pg31-radius);
  overflow: hidden;
  position: relative;
  background: linear-gradient(135deg, #243450 0%, #2e436a 100%);
  box-shadow: var(--pg31-shadow);
}
.pg31-hero-slide img { width: 100%; height: 200px; object-fit: cover; }
.pg31-hero-caption {
  padding: 1rem 1.2rem 1.4rem;
}
.pg31-hero-tag {
  display: inline-block;
  background: rgba(184,134,11,0.22);
  color: var(--pg31-gold);
  border: 1px solid var(--pg31-gold);
  border-radius: 20px;
  padding: 0.25rem 0.9rem;
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}
.pg31-hero-caption h2 { color: var(--pg31-light); font-size: 1.9rem; margin-bottom: 0.4rem; line-height: 1.25; }
.pg31-hero-caption p { color: var(--pg31-muted); font-size: 1.3rem; margin-bottom: 0.9rem; }
.pg31-hero-dots { display: flex; justify-content: center; gap: 0.5rem; margin-top: 0.8rem; }
.pg31-hero-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(238,232,170,0.35);
  cursor: pointer; border: none; padding: 0;
}
.pg31-hero-dot.pg31-active { background: var(--pg31-gold); width: 22px; border-radius: 6px; }

/* ===== Section ===== */
.pg31-section { padding: 1.5rem 1rem; }
.pg31-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1rem;
}
.pg31-section-title {
  font-size: 1.75rem;
  color: var(--pg31-light);
  font-weight: 700;
  display: flex; align-items: center; gap: 0.5rem;
}
.pg31-section-title i { color: var(--pg31-gold); }
.pg31-section-link { font-size: 1.25rem; color: var(--pg31-sandy); }

/* ===== Category Filter ===== */
.pg31-filter {
  display: flex; gap: 0.5rem; overflow-x: auto;
  padding: 0.5rem 0 1rem; scrollbar-width: none;
}
.pg31-filter::-webkit-scrollbar { display: none; }
.pg31-filter-btn {
  flex: 0 0 auto;
  background: rgba(238,232,170,0.08);
  border: 1px solid rgba(184,134,11,0.35);
  color: var(--pg31-light);
  padding: 0.55rem 1.2rem;
  border-radius: 20px;
  font-size: 1.25rem;
  cursor: pointer;
  font-family: inherit;
  transition: all var(--pg31-transition);
}
.pg31-filter-btn.pg31-active,
.pg31-filter-btn:hover {
  background: linear-gradient(135deg, #F4A460, #B8860B);
  color: #1B263B;
  border-color: transparent;
}

/* ===== Game Grid ===== */
.pg31-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
}
.pg31-card {
  background: linear-gradient(160deg, #243450 0%, #1B263B 100%);
  border: 1px solid rgba(184,134,11,0.25);
  border-radius: var(--pg31-radius-sm);
  overflow: hidden;
  position: relative;
  transition: transform var(--pg31-transition), box-shadow var(--pg31-transition);
  cursor: pointer;
}
.pg31-card:hover, .pg31-card:active {
  transform: translateY(-3px);
  box-shadow: 0 8px 18px rgba(0,0,0,0.45);
  border-color: var(--pg31-gold);
}
.pg31-card-img { position: relative; overflow: hidden; aspect-ratio: 1/1; background: #0f1830; }
.pg31-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.pg31-card:hover .pg31-card-img img { transform: scale(1.06); }
.pg31-card-badge {
  position: absolute;
  top: 4px; left: 4px;
  background: var(--pg31-gold);
  color: #1B263B;
  font-size: 0.95rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  z-index: 2;
}
.pg31-card-overlay {
  position: absolute; inset: 0;
  background: rgba(15,24,48,0.78);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--pg31-transition);
}
.pg31-card:hover .pg31-card-overlay { opacity: 1; }
.pg31-card-play {
  background: linear-gradient(135deg, #F4A460, #B8860B);
  color: #1B263B;
  border: none; border-radius: 30px;
  padding: 0.55rem 1.2rem;
  font-weight: 700; font-size: 1.2rem;
  display: inline-flex; align-items: center; gap: 0.35rem;
  cursor: pointer; font-family: inherit;
}
.pg31-card-name {
  padding: 0.5rem 0.4rem 0.6rem;
  text-align: center;
  font-size: 1.15rem;
  color: var(--pg31-light);
  font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* ===== Featured / Two-column ===== */
.pg31-feature {
  display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem;
}
.pg31-feature-card {
  border-radius: var(--pg31-radius);
  overflow: hidden;
  background: linear-gradient(160deg, #243450 0%, #1B263B 100%);
  border: 1px solid rgba(184,134,11,0.25);
  box-shadow: var(--pg31-shadow);
}
.pg31-feature-card img { width: 100%; height: 110px; object-fit: cover; }
.pg31-feature-body { padding: 0.7rem 0.8rem 0.9rem; }
.pg31-feature-body h4 { color: var(--pg31-gold); font-size: 1.35rem; margin-bottom: 0.3rem; }
.pg31-feature-body p { color: var(--pg31-muted); font-size: 1.15rem; line-height: 1.4; }

/* ===== Promo Banner ===== */
.pg31-promo {
  background: linear-gradient(135deg, #B8860B 0%, #F4A460 100%);
  color: #1B263B;
  border-radius: var(--pg31-radius);
  padding: 1.2rem 1.3rem;
  margin: 1rem;
  display: flex; align-items: center; justify-content: space-between;
  box-shadow: var(--pg31-shadow);
}
.pg31-promo-text h3 { font-size: 1.6rem; margin-bottom: 0.3rem; }
.pg31-promo-text p { font-size: 1.2rem; opacity: 0.85; }
.pg31-promo .pg31-btn { background: #1B263B; color: var(--pg31-light); }

/* ===== Steps / Why Choose ===== */
.pg31-steps { display: grid; gap: 0.7rem; }
.pg31-step {
  display: flex; gap: 0.9rem; align-items: flex-start;
  background: rgba(238,232,170,0.05);
  border-left: 3px solid var(--pg31-gold);
  padding: 0.9rem 1rem;
  border-radius: 8px;
}
.pg31-step-num {
  flex: 0 0 32px; height: 32px;
  border-radius: 50%;
  background: var(--pg31-gold);
  color: #1B263B;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 1.3rem;
}
.pg31-step-body h4 { color: var(--pg31-light); font-size: 1.35rem; margin-bottom: 0.2rem; }
.pg31-step-body p { color: var(--pg31-muted); font-size: 1.2rem; line-height: 1.4; }

/* ===== FAQ ===== */
.pg31-faq-item {
  background: rgba(238,232,170,0.04);
  border: 1px solid rgba(184,134,11,0.2);
  border-radius: var(--pg31-radius-sm);
  margin-bottom: 0.7rem;
  overflow: hidden;
}
.pg31-faq-q {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.9rem 1rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--pg31-light);
  font-size: 1.3rem;
}
.pg31-faq-q i { color: var(--pg31-gold); transition: transform var(--pg31-transition); }
.pg31-faq-item.pg31-open .pg31-faq-q i { transform: rotate(180deg); }
.pg31-faq-a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.3s ease;
  color: var(--pg31-muted);
  font-size: 1.2rem; line-height: 1.5;
}
.pg31-faq-item.pg31-open .pg31-faq-a { max-height: 400px; }
.pg31-faq-a-inner { padding: 0 1rem 1rem; }

/* ===== SEO Long text ===== */
.pg31-seo {
  background: rgba(238,232,170,0.04);
  border-radius: var(--pg31-radius);
  padding: 1.4rem 1.2rem;
  margin: 1rem;
  color: var(--pg31-muted);
  font-size: 1.25rem;
  line-height: 1.6;
}
.pg31-seo h2 { color: var(--pg31-light); font-size: 1.7rem; margin-bottom: 0.6rem; }
.pg31-seo h3 { color: var(--pg31-gold); font-size: 1.4rem; margin: 1rem 0 0.4rem; }
.pg31-seo p { margin-bottom: 0.7rem; }
.pg31-seo ul { padding-left: 1.5rem; margin-bottom: 0.7rem; }
.pg31-seo li { margin-bottom: 0.3rem; }

/* ===== Footer ===== */
.pg31-footer {
  background: linear-gradient(180deg, #15203a 0%, #0f1830 100%);
  border-top: 2px solid var(--pg31-gold);
  padding: 1.8rem 1.2rem 2rem;
  margin-top: 1rem;
}
.pg31-footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
.pg31-footer-col h4 {
  color: var(--pg31-gold); font-size: 1.35rem; margin-bottom: 0.6rem;
}
.pg31-footer-col ul { list-style: none; }
.pg31-footer-col li { margin-bottom: 0.4rem; }
.pg31-footer-col a { color: var(--pg31-muted); font-size: 1.2rem; }
.pg31-footer-col a:hover { color: var(--pg31-light); }
.pg31-footer-bottom {
  text-align: center; margin-top: 1.4rem; padding-top: 1rem;
  border-top: 1px solid rgba(184,134,11,0.18);
  color: var(--pg31-muted); font-size: 1.15rem;
}
.pg31-disclaimer {
  background: rgba(184,134,11,0.08);
  border-radius: 8px; padding: 0.8rem;
  margin-top: 1rem;
  font-size: 1.1rem; color: var(--pg31-muted);
  line-height: 1.5;
}

/* ===== Mobile Bottom Nav ===== */
.pg31-bottom-nav {
  position: fixed;
  bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 430px;
  background: linear-gradient(180deg, #243450 0%, #1B263B 100%);
  border-top: 2px solid var(--pg31-gold);
  display: flex; justify-content: space-around; align-items: center;
  padding: 0.3rem 0;
  z-index: 1000;
  box-shadow: 0 -4px 14px rgba(0,0,0,0.35);
}
.pg31-nav-btn {
  flex: 1;
  background: transparent; border: none;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 0.2rem;
  padding: 0.45rem 0.2rem;
  color: var(--pg31-muted);
  font-size: 1.05rem;
  font-family: inherit;
  cursor: pointer;
  min-width: 60px; min-height: 56px;
  transition: color var(--pg31-transition), transform var(--pg31-transition);
}
.pg31-nav-btn i { font-size: 2rem; }
.pg31-nav-btn .material-icons,
.pg31-nav-btn .bi { font-size: 2.1rem; }
.pg31-nav-btn:hover { color: var(--pg31-light); }
.pg31-nav-btn.pg31-active { color: var(--pg31-gold); }
.pg31-nav-btn:active { transform: scale(0.92); }
.pg31-nav-btn-promo {
  background: linear-gradient(135deg, #F4A460, #B8860B);
  color: #1B263B !important;
  border-radius: 50%;
  width: 56px; height: 56px;
  margin-top: -22px;
  box-shadow: 0 4px 12px rgba(184,134,11,0.55);
  border: 3px solid #1B263B;
}
.pg31-nav-btn-promo i { font-size: 2.2rem; }

main { padding-bottom: 80px; }

/* ===== Utility ===== */
.pg31-container { padding: 0 1rem; }
.pg31-text-center { text-align: center; }
.pg31-mt-1 { margin-top: 0.5rem; }
.pg31-mt-2 { margin-top: 1rem; }
.pg31-hide-mobile { display: none; }

/* ===== Desktop ===== */
@media (min-width: 769px) {
  body { max-width: 100%; font-size: 1.6rem; }
  .pg31-bottom-nav { display: none; }
  .pg31-menu-toggle { display: none; }
  main { padding-bottom: 0; }
  .pg31-grid { grid-template-columns: repeat(6, 1fr); }
  .pg31-feature { grid-template-columns: repeat(4, 1fr); }
  .pg31-hide-mobile { display: block; }
  .pg31-hero-slide img { height: 360px; }
  .pg31-footer-cols { grid-template-columns: repeat(4, 1fr); max-width: 1100px; margin: 0 auto; }
  .pg31-section, .pg31-hero, .pg31-promo, .pg31-seo { max-width: 1100px; margin-left: auto; margin-right: auto; }
}