/*!
 * SM-88 stylesheet (mobile-first casino homepage)
 * Class prefix: ui20-
 * Palette: #F0F0F0 | #FFEB3B | #FFF176 | #D4AF37 | #3A3A3A
 * Comments in English per project convention.
 */

:root {
  --ui20-primary: #D4AF37;
  --ui20-accent: #FFEB3B;
  --ui20-accent-soft: #FFF176;
  --ui20-bg: #3A3A3A;
  --ui20-bg-dark: #232323;
  --ui20-bg-deep: #161616;
  --ui20-text: #F0F0F0;
  --ui20-text-muted: #B8B8B8;
  --ui20-border: rgba(212, 175, 55, 0.25);
  --ui20-radius: 1.2rem;
  --ui20-shadow: 0 0.4rem 1.6rem rgba(0, 0, 0, 0.35);
}

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

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

body {
  font-family: "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: var(--ui20-bg-deep);
  color: var(--ui20-text);
  line-height: 1.5rem;
  font-size: 1.4rem;
  overflow-x: hidden;
}

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

a {
  color: var(--ui20-accent);
  text-decoration: none;
}

/* ===== Layout container ===== */
.ui20-wrapper {
  width: 100%;
  max-width: 430px;
  margin: 0 auto;
  position: relative;
  background: var(--ui20-bg-deep);
  min-height: 100vh;
}

.ui20-container {
  width: 100%;
  padding: 0 1.2rem;
}

main {
  display: block;
  padding-bottom: 9rem; /* clearance for fixed bottom nav */
}

/* ===== Header ===== */
.ui20-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, #1c1c1c 0%, #2a2a2a 100%);
  border-bottom: 0.2rem solid var(--ui20-primary);
  box-shadow: 0 0.2rem 0.8rem rgba(0, 0, 0, 0.4);
  transition: box-shadow 0.25s ease;
}

.ui20-header-scrolled {
  box-shadow: 0 0.4rem 1.4rem rgba(0, 0, 0, 0.6);
}

.ui20-header-inner {
  max-width: 430px;
  margin: 0 auto;
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.ui20-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex: 1;
  min-width: 0;
}

.ui20-brand img {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 0.6rem;
  border: 0.15rem solid var(--ui20-primary);
}

.ui20-brand-name {
  font-size: 1.7rem;
  font-weight: 800;
  color: var(--ui20-accent);
  letter-spacing: 0.05rem;
  white-space: nowrap;
}

.ui20-brand-name span {
  color: var(--ui20-primary);
}

.ui20-header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ui20-menu-toggle {
  background: transparent;
  border: 0.15rem solid var(--ui20-primary);
  color: var(--ui20-primary);
  width: 3.4rem;
  height: 3.4rem;
  border-radius: 0.6rem;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ===== Buttons ===== */
.ui20-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  min-height: 3.6rem;
  padding: 0 1.2rem;
  border-radius: 0.8rem;
  font-size: 1.3rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, filter 0.15s ease;
  text-decoration: none;
  white-space: nowrap;
}

.ui20-btn:active {
  transform: scale(0.96);
}

.ui20-btn-primary {
  background: linear-gradient(135deg, var(--ui20-accent) 0%, var(--ui20-primary) 100%);
  color: #1a1a1a;
}

.ui20-btn-ghost {
  background: transparent;
  color: var(--ui20-text);
  border: 0.15rem solid var(--ui20-primary);
}

.ui20-btn-block {
  width: 100%;
}

.ui20-btn-lg {
  min-height: 4.6rem;
  font-size: 1.6rem;
}

/* ===== Mobile expandable menu ===== */
.ui20-mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(10, 10, 10, 0.97);
  z-index: 9999;
  padding: 6rem 1.6rem 2rem;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  overflow-y: auto;
}

.ui20-mobile-menu.ui20-menu-open {
  transform: translateX(0);
}

.ui20-mobile-menu a {
  display: block;
  padding: 1.2rem 0.8rem;
  font-size: 1.5rem;
  color: var(--ui20-text);
  border-bottom: 0.1rem solid rgba(212, 175, 55, 0.18);
}

.ui20-mobile-menu a:hover,
.ui20-mobile-menu a:focus {
  color: var(--ui20-accent);
}

.ui20-menu-close {
  position: absolute;
  top: 1.2rem;
  right: 1.2rem;
  background: transparent;
  border: none;
  color: var(--ui20-accent);
  font-size: 2.4rem;
  cursor: pointer;
}

.ui20-menu-title {
  font-size: 1.8rem;
  color: var(--ui20-primary);
  margin: 1rem 0 0.8rem;
  font-weight: 700;
}

/* ===== Carousel ===== */
.ui20-carousel {
  position: relative;
  width: 100%;
  margin-top: 5.4rem;
  overflow: hidden;
  border-radius: 0 0 1.2rem 1.2rem;
}

.ui20-slide {
  display: none;
  position: relative;
  cursor: pointer;
}

.ui20-slide.ui20-slide-active {
  display: block;
}

.ui20-slide img {
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.ui20-slide-caption {
  position: absolute;
  left: 1rem;
  bottom: 1rem;
  background: rgba(0, 0, 0, 0.6);
  padding: 0.4rem 0.8rem;
  border-radius: 0.4rem;
  font-size: 1.2rem;
  color: var(--ui20-accent);
}

.ui20-dots {
  position: absolute;
  bottom: 0.6rem;
  right: 1rem;
  display: flex;
  gap: 0.4rem;
}

.ui20-dot {
  width: 0.8rem;
  height: 0.8rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  border: none;
}

.ui20-dot.ui20-dot-active {
  background: var(--ui20-accent);
}

/* ===== Sections ===== */
.ui20-section {
  padding: 1.6rem 0;
}

.ui20-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.ui20-section-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--ui20-accent);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ui20-section-title i {
  color: var(--ui20-primary);
}

.ui20-section-link {
  font-size: 1.2rem;
  color: var(--ui20-accent-soft);
}

.ui20-text-muted {
  color: var(--ui20-text-muted);
}

.ui20-lead {
  font-size: 1.4rem;
  color: var(--ui20-text);
  margin: 0.6rem 0;
}

.ui20-h1 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--ui20-accent);
  margin: 1rem 0;
  line-height: 2.4rem;
}

.ui20-h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--ui20-accent-soft);
  margin: 1.2rem 0 0.6rem;
}

.ui20-h3 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ui20-primary);
  margin: 0.8rem 0 0.4rem;
}

.ui20-p {
  margin: 0.5rem 0;
  color: var(--ui20-text);
}

/* ===== Game category tabs (static labels) ===== */
.ui20-cat-label {
  display: inline-block;
  background: linear-gradient(135deg, var(--ui20-primary), var(--ui20-accent));
  color: #1a1a1a;
  padding: 0.4rem 1rem;
  border-radius: 0.6rem;
  font-size: 1.3rem;
  font-weight: 700;
  margin: 1rem 0 0.6rem;
}

/* ===== Game grid (compact) ===== */
.ui20-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
}

.ui20-game-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: var(--ui20-bg);
  border: 0.1rem solid var(--ui20-border);
  border-radius: 0.8rem;
  padding: 0.6rem;
  cursor: pointer;
  transition: transform 0.15s ease, border-color 0.15s ease;
  text-align: center;
}

.ui20-game-card:active {
  transform: scale(0.95);
  border-color: var(--ui20-accent);
}

.ui20-game-card img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0.6rem;
}

.ui20-game-name {
  font-size: 1.1rem;
  color: var(--ui20-text);
  margin-top: 0.4rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
}

/* ===== Cards / panels ===== */
.ui20-card {
  background: var(--ui20-bg);
  border: 0.1rem solid var(--ui20-border);
  border-radius: var(--ui20-radius);
  padding: 1.2rem;
  margin: 1rem 0;
  box-shadow: var(--ui20-shadow);
}

.ui20-card-gold {
  border-color: var(--ui20-primary);
  background: linear-gradient(160deg, #2c2618 0%, var(--ui20-bg) 100%);
}

.ui20-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.8rem;
}

.ui20-stat {
  background: var(--ui20-bg-dark);
  border-radius: 0.8rem;
  padding: 0.8rem;
  text-align: center;
}

.ui20-stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--ui20-accent);
}

.ui20-stat-label {
  font-size: 1.1rem;
  color: var(--ui20-text-muted);
}

/* ===== RTP table ===== */
.ui20-rtp-row {
  display: flex;
  justify-content: space-between;
  padding: 0.6rem 0;
  border-bottom: 0.1rem dashed rgba(212, 175, 55, 0.18);
  font-size: 1.25rem;
}

.ui20-rtp-row span:last-child {
  color: var(--ui20-accent);
  font-weight: 700;
}

/* ===== Testimonial ===== */
.ui20-quote {
  background: var(--ui20-bg-dark);
  border-left: 0.3rem solid var(--ui20-primary);
  padding: 0.8rem 1rem;
  border-radius: 0.4rem;
  margin: 0.6rem 0;
  font-size: 1.25rem;
  color: var(--ui20-text);
}

.ui20-quote-author {
  display: block;
  margin-top: 0.4rem;
  color: var(--ui20-accent-soft);
  font-size: 1.1rem;
  font-weight: 700;
}

/* ===== Payment chips ===== */
.ui20-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.ui20-chip {
  background: var(--ui20-bg-dark);
  border: 0.1rem solid var(--ui20-border);
  border-radius: 2rem;
  padding: 0.4rem 0.9rem;
  font-size: 1.15rem;
  color: var(--ui20-text);
}

/* ===== Winners list ===== */
.ui20-winner {
  display: flex;
  justify-content: space-between;
  padding: 0.5rem 0;
  border-bottom: 0.1rem solid rgba(255, 255, 255, 0.05);
  font-size: 1.2rem;
}

.ui20-winner span:last-child {
  color: var(--ui20-accent);
  font-weight: 700;
}

/* ===== Footer ===== */
.ui20-footer {
  background: #111;
  padding: 2rem 1.2rem 7rem;
  border-top: 0.2rem solid var(--ui20-primary);
  margin-top: 1.5rem;
}

.ui20-footer-desc {
  color: var(--ui20-text-muted);
  font-size: 1.2rem;
  margin-bottom: 1rem;
  line-height: 1.6rem;
}

.ui20-footer-btns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.6rem;
  margin: 1rem 0;
}

.ui20-footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  margin: 0.8rem 0;
}

.ui20-footer-links a {
  font-size: 1.15rem;
  color: var(--ui20-text-muted);
}

.ui20-footer-links a:hover {
  color: var(--ui20-accent);
}

.ui20-copyright {
  color: var(--ui20-text-muted);
  font-size: 1.1rem;
  margin-top: 1rem;
  text-align: center;
}

/* ===== Mobile bottom nav (fixed) ===== */
.ui20-bottomnav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6rem;
  background: linear-gradient(180deg, #1f1f1f 0%, #111 100%);
  border-top: 0.15rem solid var(--ui20-primary);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -0.3rem 1rem rgba(0, 0, 0, 0.5);
}

.ui20-navbtn {
  flex: 1;
  min-width: 6rem;
  min-height: 6rem;
  background: transparent;
  border: none;
  color: var(--ui20-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  cursor: pointer;
  transition: color 0.2s ease, transform 0.15s ease;
  font-size: 1.1rem;
  text-decoration: none;
  padding: 0.4rem 0;
}

.ui20-navbtn i,
.ui20-navbtn .material-icons,
.ui20-navbtn ion-icon {
  font-size: 2.2rem;
}

.ui20-navbtn ion-icon {
  line-height: 1;
}

.ui20-navbtn:hover,
.ui20-navbtn.ui20-navbtn-active {
  color: var(--ui20-accent);
}

.ui20-navbtn:active {
  transform: scale(0.92);
}

.ui20-navbtn-primary {
  color: var(--ui20-primary);
}

/* ===== Utility ===== */
.ui20-text-center { text-align: center; }
.ui20-mt-1 { margin-top: 0.5rem; }
.ui20-mt-2 { margin-top: 1rem; }
.ui20-hidden { display: none !important; }
.ui20-promo-text {
  color: var(--ui20-accent);
  font-weight: 700;
}

/* ===== Desktop: hide bottom nav ===== */
@media (min-width: 769px) {
  .ui20-bottomnav {
    display: none;
  }
  main {
    padding-bottom: 2rem;
  }
  .ui20-footer {
    padding-bottom: 2rem;
  }
}

/* ===== Small screens fine-tune ===== */
@media (max-width: 360px) {
  .ui20-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .ui20-brand-name {
    font-size: 1.4rem;
  }
}