/* ============================================================
 * tak bet (tak-bet.homes) - screen-tak-bet-3526.css
 * All custom classes and CSS variables use the ui52- prefix.
 * Palette: #212F3D | #CC99FF | #E0FFFF | #E6E6FA | #5F9EA0
 * Mobile-first canvas 320-430px. Desktop keeps the mobile canvas.
 * ============================================================ */

:root {
  --ui52-bg:        #212F3D;
  --ui52-bg-2:      #18222E;
  --ui52-bg-3:      #0F1822;
  --ui52-card:      #243545;
  --ui52-card-2:    #2C3F52;
  --ui52-purple:    #CC99FF;
  --ui52-cyan:      #E0FFFF;
  --ui52-lavender:  #E6E6FA;
  --ui52-teal:      #5F9EA0;
  --ui52-text:      #E6E6FA;
  --ui52-text-dim:  #A9B4C2;
  --ui52-gold:      #F2D27A;
  --ui52-line:      rgba(204, 153, 255, 0.18);
  --ui52-shadow:    0 8px 24px rgba(0, 0, 0, 0.35);
  --ui52-radius:    14px;
  --ui52-radius-sm: 10px;
  --ui52-header-h:  60px;
  --ui52-bottom-h:  66px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--ui52-bg);
  color: var(--ui52-text);
  font-family: "Hind Siliguri", "Noto Sans Bengali", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}

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

a { color: var(--ui52-cyan); text-decoration: none; }
a:hover, a:focus { color: var(--ui52-purple); }

h1, h2, h3, h4 { margin: 0 0 8px; line-height: 1.35; font-weight: 700; color: var(--ui52-lavender); }
h1 { font-size: 22px; }
h2 { font-size: 19px; }
h3 { font-size: 16px; }
p  { margin: 0 0 10px; color: var(--ui52-text-dim); }

/* Page shell keeps mobile canvas centered on wide screens */
.ui52-page {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background: linear-gradient(180deg, var(--ui52-bg) 0%, var(--ui52-bg-2) 60%, var(--ui52-bg) 100%);
  position: relative;
  box-shadow: 0 0 30px rgba(0,0,0,0.4);
}

.ui52-main {
  padding: calc(var(--ui52-header-h) + 10px) 12px calc(var(--ui52-bottom-h) + 24px);
}

/* ===================== Header ===================== */
.ui52-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  max-width: 480px;
  margin: 0 auto;
  height: var(--ui52-header-h);
  background: linear-gradient(90deg, rgba(15,24,34,0.96), rgba(36,53,69,0.96));
  border-bottom: 1px solid var(--ui52-line);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  z-index: 50;
  backdrop-filter: blur(6px);
}

.ui52-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.ui52-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--ui52-line);
  background: radial-gradient(circle at 30% 30%, rgba(204,153,255,0.25), transparent 70%);
  object-fit: cover;
  flex-shrink: 0;
}

.ui52-brand-text { display: flex; flex-direction: column; min-width: 0; }
.ui52-brand-name {
  font-size: 16px;
  font-weight: 800;
  color: var(--ui52-cyan);
  letter-spacing: 0.5px;
  line-height: 1.1;
}
.ui52-brand-tag {
  font-size: 11px;
  color: var(--ui52-text-dim);
  line-height: 1.1;
}

.ui52-header-actions { display: flex; align-items: center; gap: 8px; }

.ui52-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: none;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  font-family: inherit;
}
.ui52-btn:active { transform: translateY(1px); }

.ui52-btn-primary {
  background: linear-gradient(135deg, var(--ui52-purple), #8a5fcc);
  color: #1a0d2e;
  box-shadow: 0 4px 12px rgba(204,153,255,0.35);
}
.ui52-btn-secondary {
  background: transparent;
  color: var(--ui52-cyan);
  border: 1px solid var(--ui52-teal);
}
.ui52-btn-ghost {
  background: transparent;
  color: var(--ui52-text-dim);
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 10px;
  border: 1px solid var(--ui52-line);
}
.ui52-btn-ghost svg { width: 20px; height: 20px; fill: currentColor; }

/* ===================== Stacked overlay menu ===================== */
.ui52-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5,10,16,0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 60;
}
.ui52-menu-backdrop.ui52-backdrop-show { opacity: 1; pointer-events: auto; }

.ui52-menu-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 82%;
  max-width: 360px;
  height: 100vh;
  background: linear-gradient(180deg, #18222E, #0F1822);
  border-left: 1px solid var(--ui52-line);
  transform: translateX(100%);
  transition: transform 0.28s ease;
  z-index: 70;
  padding: 18px 16px;
  overflow-y: auto;
}
.ui52-menu-panel.ui52-menu-open { transform: translateX(0); }

.ui52-menu-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ui52-line);
}
.ui52-menu-head .ui52-brand-name { font-size: 17px; }

.ui52-menu-close {
  background: transparent;
  border: 1px solid var(--ui52-line);
  color: var(--ui52-text);
  width: 34px; height: 34px;
  border-radius: 10px;
  font-size: 18px;
  cursor: pointer;
}

.ui52-menu-section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--ui52-purple);
  margin: 14px 0 6px;
}
.ui52-menu-link {
  display: block;
  padding: 11px 12px;
  border-radius: 10px;
  color: var(--ui52-lavender);
  font-size: 14px;
  margin-bottom: 4px;
  border: 1px solid transparent;
}
.ui52-menu-link:hover, .ui52-menu-link:focus {
  background: rgba(204,153,255,0.08);
  border-color: var(--ui52-line);
  color: var(--ui52-cyan);
}

.ui52-menu-cta-row { display: flex; gap: 8px; margin: 14px 0 4px; }
.ui52-menu-cta-row .ui52-btn { flex: 1; }

/* ===================== Hero carousel ===================== */
.ui52-hero {
  position: relative;
  border-radius: var(--ui52-radius);
  overflow: hidden;
  margin-bottom: 16px;
  box-shadow: var(--ui52-shadow);
  border: 1px solid var(--ui52-line);
}
.ui52-hero-track { position: relative; aspect-ratio: 16 / 9; }
.ui52-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
  display: block;
  cursor: pointer;
}
.ui52-hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.ui52-hero-slide.ui52-slide-active { opacity: 1; }
.ui52-hero-overlay {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 10px 12px;
  background: linear-gradient(0deg, rgba(15,24,34,0.9), transparent);
  color: var(--ui52-cyan);
  font-size: 13px;
  font-weight: 700;
}
.ui52-hero-dots {
  position: absolute;
  bottom: 8px;
  right: 10px;
  display: flex;
  gap: 5px;
}
.ui52-hero-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(224,255,255,0.45);
  cursor: pointer;
}
.ui52-hero-dot.ui52-dot-active { background: var(--ui52-purple); }

/* ===================== Section & section title ===================== */
.ui52-section {
  margin: 18px 0;
}
.ui52-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.ui52-section-title {
  font-size: 17px;
  color: var(--ui52-cyan);
  position: relative;
  padding-left: 12px;
}
.ui52-section-title::before {
  content: "";
  position: absolute;
  left: 0; top: 4px; bottom: 4px;
  width: 4px;
  border-radius: 3px;
  background: linear-gradient(180deg, var(--ui52-purple), var(--ui52-teal));
}
.ui52-section-more {
  font-size: 12px;
  color: var(--ui52-text-dim);
}

/* ===================== Filter chips ===================== */
.ui52-filter-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  margin-bottom: 10px;
  scrollbar-width: none;
}
.ui52-filter-row::-webkit-scrollbar { display: none; }
.ui52-filter-chip {
  flex-shrink: 0;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--ui52-card);
  color: var(--ui52-text-dim);
  font-size: 13px;
  border: 1px solid var(--ui52-line);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.ui52-filter-chip.ui52-chip-active {
  background: linear-gradient(135deg, var(--ui52-purple), #8a5fcc);
  color: #1a0d2e;
  border-color: transparent;
  font-weight: 700;
}

/* ===================== Game grid ===================== */
.ui52-game-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
@media (min-width: 375px) {
  .ui52-game-grid { gap: 10px; }
}
@media (min-width: 414px) {
  .ui52-game-grid { grid-template-columns: repeat(5, 1fr); }
}

.ui52-game-card {
  display: block;
  background: var(--ui52-card);
  border-radius: var(--ui52-radius-sm);
  overflow: hidden;
  border: 1px solid var(--ui52-line);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
}
.ui52-game-card:hover, .ui52-game-card:focus {
  transform: translateY(-2px);
  border-color: var(--ui52-purple);
  box-shadow: 0 6px 14px rgba(204,153,255,0.2);
}
.ui52-game-thumb {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: #0F1822;
}
.ui52-game-name {
  font-size: 11px;
  line-height: 1.25;
  color: var(--ui52-lavender);
  padding: 5px 6px 7px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ui52-game-hot {
  position: absolute;
  top: 5px; left: 5px;
  background: linear-gradient(135deg, #ff5e62, #ff9966);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 6px;
  letter-spacing: 0.5px;
}

/* ===================== Feature tiles (two-column directory) ===================== */
.ui52-tile-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.ui52-tile {
  display: block;
  background: linear-gradient(135deg, var(--ui52-card), var(--ui52-card-2));
  border-radius: var(--ui52-radius-sm);
  padding: 12px;
  border: 1px solid var(--ui52-line);
  min-height: 76px;
}
.ui52-tile-title {
  font-size: 14px;
  color: var(--ui52-cyan);
  font-weight: 700;
  margin-bottom: 4px;
}
.ui52-tile-desc {
  font-size: 12px;
  color: var(--ui52-text-dim);
  line-height: 1.4;
}

/* ===================== Winners strip ===================== */
.ui52-winners {
  background: var(--ui52-card);
  border-radius: var(--ui52-radius);
  border: 1px solid var(--ui52-line);
  padding: 10px 12px;
  margin: 14px 0;
}
.ui52-winners-list { list-style: none; margin: 0; padding: 0; }
.ui52-winners-list li {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  border-bottom: 1px dashed var(--ui52-line);
  font-size: 13px;
}
.ui52-winners-list li:last-child { border-bottom: none; }
.ui52-winners-name { color: var(--ui52-lavender); font-weight: 600; }
.ui52-winners-amount { color: var(--ui52-gold); font-weight: 700; }

/* ===================== Payment row ===================== */
.ui52-pay-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0 4px;
}
.ui52-pay-chip {
  flex: 1 1 28%;
  text-align: center;
  background: var(--ui52-card);
  border: 1px solid var(--ui52-line);
  border-radius: 10px;
  padding: 8px 6px;
  font-size: 12px;
  color: var(--ui52-cyan);
}

/* ===================== CTA banner ===================== */
.ui52-cta-banner {
  background: linear-gradient(135deg, rgba(204,153,255,0.18), rgba(95,158,160,0.18));
  border: 1px solid var(--ui52-line);
  border-radius: var(--ui52-radius);
  padding: 16px;
  margin: 16px 0;
  text-align: center;
}
.ui52-cta-banner h2 { color: var(--ui52-cyan); margin-bottom: 6px; }
.ui52-cta-banner p { margin-bottom: 12px; font-size: 13px; }
.ui52-cta-banner .ui52-btn { padding: 0 26px; min-height: 40px; font-size: 14px; }

/* ===================== Info / FAQ ===================== */
.ui52-info-card {
  background: var(--ui52-card);
  border-radius: var(--ui52-radius);
  border: 1px solid var(--ui52-line);
  padding: 14px;
  margin: 12px 0;
}
.ui52-info-card h3 { color: var(--ui52-purple); margin-bottom: 6px; }
.ui52-info-card p { font-size: 13px; }

.ui52-faq-item {
  background: var(--ui52-card);
  border: 1px solid var(--ui52-line);
  border-radius: var(--ui52-radius-sm);
  margin-bottom: 8px;
  overflow: hidden;
}
.ui52-faq-q {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--ui52-lavender);
  font-weight: 700;
  font-size: 14px;
  padding: 12px 14px;
  cursor: pointer;
  font-family: inherit;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}
.ui52-faq-q::after { content: "+"; color: var(--ui52-purple); font-size: 18px; }
.ui52-faq-open .ui52-faq-q::after { content: "\2212"; }
.ui52-faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
  padding: 0 14px;
  color: var(--ui52-text-dim);
  font-size: 13px;
}
.ui52-faq-open .ui52-faq-a {
  max-height: 360px;
  padding: 0 14px 12px;
}

/* ===================== Extended footer ===================== */
.ui52-ext-footer {
  margin: 20px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--ui52-line);
}
.ui52-ext-footer .ui52-tile-grid { gap: 8px; }
.ui52-ext-disclaimer {
  margin-top: 14px;
  font-size: 11px;
  color: var(--ui52-text-dim);
  background: rgba(15,24,34,0.6);
  border-radius: 10px;
  padding: 10px;
  line-height: 1.5;
}

/* ===================== Footer ===================== */
.ui52-footer {
  background: var(--ui52-bg-3);
  border-top: 1px solid var(--ui52-line);
  padding: 16px 12px calc(var(--ui52-bottom-h) + 20px);
  text-align: center;
}
.ui52-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 4px 10px;
  margin-bottom: 10px;
}
.ui52-footer-links a {
  color: var(--ui52-text-dim);
  font-size: 12px;
}
.ui52-footer-copy {
  color: var(--ui52-text-dim);
  font-size: 11px;
  line-height: 1.5;
}

/* ===================== Bottom navigation (center-elevated) ===================== */
.ui52-bottom-nav {
  position: fixed;
  left: 0; right: 0;
  bottom: 0;
  max-width: 480px;
  margin: 0 auto;
  height: var(--ui52-bottom-h);
  background: linear-gradient(180deg, rgba(24,34,46,0.98), rgba(15,24,34,0.99));
  border-top: 1px solid var(--ui52-line);
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  padding: 0 4px 6px;
  z-index: 45;
}
.ui52-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 2px;
  height: 56px;
  background: transparent;
  border: none;
  color: var(--ui52-text-dim);
  font-size: 10px;
  font-family: inherit;
  cursor: pointer;
  padding: 0;
  position: relative;
  transition: transform 0.18s ease, color 0.18s ease;
}
.ui52-nav-btn svg {
  width: 22px; height: 22px;
  fill: currentColor;
}
.ui52-nav-label { line-height: 1; }

/* Center elevated promo button */
.ui52-nav-btn-center {
  height: 64px;
  margin-top: -18px;
  background: linear-gradient(135deg, var(--ui52-purple), #8a5fcc);
  color: #1a0d2e;
  border-radius: 50%;
  width: 56px;
  flex: 0 0 56px;
  box-shadow: 0 6px 16px rgba(204,153,255,0.5);
  border: 3px solid rgba(224,255,255,0.5);
  align-self: flex-start;
}
.ui52-nav-btn-center svg { width: 26px; height: 26px; }
.ui52-nav-btn-center .ui52-nav-label { display: none; }

.ui52-nav-btn:hover { color: var(--ui52-cyan); }
.ui52-nav-current { color: var(--ui52-purple); }
.ui52-nav-current::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 26px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--ui52-purple);
}

/* ===================== Utility ===================== */
.ui52-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.ui52-anchor { scroll-margin-top: 80px; }