/*!
 * bk9.homes mobile-first palette and components
 * Palette: #228B22 | #7FFF00 | #00FA9A | #34495E
 * Class prefix: va7b-
 * Comments in English only.
 * Mobile canvas: 320-430px. Centered on wider screens.
 */

:root {
  --va7b-primary: #228B22;
  --va7b-accent: #7FFF00;
  --va7b-mint: #00FA9A;
  --va7b-deep: #34495E;
  --va7b-bg: #0d1f17;
  --va7b-bg-2: #122a1f;
  --va7b-card: #163524;
  --va7b-card-2: #1a3a2a;
  --va7b-text: #f3fff7;
  --va7b-text-muted: #b9d6c5;
  --va7b-border: rgba(127, 255, 0, 0.18);
  --va7b-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  --va7b-radius: 14px;
  --va7b-radius-sm: 10px;
  --va7b-header-h: 60px;
  --va7b-bottom-h: 64px;
  --va7b-max-w: 430px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Hind Siliguri", "Noto Sans Bengali", "SolaimanLipi", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(circle at 20% 0%, #15321f 0%, var(--va7b-bg) 55%, #07140d 100%);
  color: var(--va7b-text);
  font-size: 15px;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--va7b-mint);
  text-decoration: none;
}

a:hover, a:focus {
  color: var(--va7b-accent);
  text-decoration: underline;
}

button {
  font-family: inherit;
}

/* Page shell: mobile canvas centered on wider screens */
.va7b-shell {
  max-width: var(--va7b-max-w);
  margin: 0 auto;
  background: linear-gradient(180deg, #0e2419 0%, #0b1c13 100%);
  min-height: 100vh;
  position: relative;
  box-shadow: 0 0 40px rgba(0, 0, 0, 0.45);
}

.va7b-no-scroll {
  overflow: hidden;
}

/* ==================== HEADER ==================== */
.va7b-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--va7b-header-h);
  background: linear-gradient(90deg, #0e2c1c 0%, #1a4128 50%, #0e2c1c 100%);
  border-bottom: 2px solid var(--va7b-primary);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.va7b-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.va7b-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  border: 2px solid var(--va7b-accent);
  background: #0a1f12;
  flex-shrink: 0;
}

.va7b-brand-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.va7b-brand-name {
  font-size: 19px;
  font-weight: 800;
  color: var(--va7b-accent);
  letter-spacing: 0.4px;
  line-height: 1.1;
}

.va7b-brand-tag {
  font-size: 10px;
  color: var(--va7b-text-muted);
  line-height: 1.1;
}

.va7b-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.va7b-icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--va7b-border);
  background: rgba(127, 255, 0, 0.08);
  color: var(--va7b-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 18px;
  transition: background 0.2s, transform 0.15s;
}

.va7b-icon-btn:hover {
  background: rgba(127, 255, 0, 0.18);
}

.va7b-icon-btn:active {
  transform: scale(0.94);
}

.va7b-btn {
  border: none;
  border-radius: 10px;
  padding: 9px 14px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.va7b-btn-login {
  background: transparent;
  color: var(--va7b-mint);
  border: 1px solid var(--va7b-mint);
}

.va7b-btn-register {
  background: linear-gradient(135deg, var(--va7b-accent) 0%, var(--va7b-mint) 100%);
  color: #06120a;
  font-weight: 800;
  box-shadow: 0 3px 10px rgba(127, 255, 0, 0.3);
}

.va7b-btn:active {
  transform: scale(0.96);
}

/* ==================== MOBILE MENU DRAWER ==================== */
#va7b-mobile-menu {
  position: fixed;
  top: var(--va7b-header-h);
  left: 50%;
  transform: translate(-50%, -130%);
  width: 100%;
  max-width: var(--va7b-max-w);
  background: linear-gradient(180deg, #102a1c 0%, #0a1c12 100%);
  border-bottom: 2px solid var(--va7b-primary);
  border-radius: 0 0 18px 18px;
  padding: 14px 16px 22px;
  z-index: 49;
  opacity: 0;
  pointer-events: none;
  transition: transform 0.28s ease, opacity 0.28s ease;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5);
}

#va7b-mobile-menu.va7b-menu-open {
  transform: translate(-50%, 0);
  opacity: 1;
  pointer-events: auto;
}

.va7b-menu-title {
  font-size: 12px;
  color: var(--va7b-text-muted);
  margin: 4px 0 8px;
  text-transform: uppercase;
  letter-spacing: 1.4px;
}

.va7b-menu-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.va7b-menu-list a {
  display: block;
  padding: 11px 12px;
  background: rgba(127, 255, 0, 0.06);
  border: 1px solid var(--va7b-border);
  border-radius: 10px;
  color: var(--va7b-text);
  font-size: 13.5px;
  font-weight: 600;
  text-align: center;
}

.va7b-menu-list a:hover {
  background: rgba(127, 255, 0, 0.16);
  text-decoration: none;
}

.va7b-menu-cta {
  margin-top: 12px;
  width: 100%;
  background: linear-gradient(135deg, var(--va7b-primary), #1fa551);
  color: #fff;
  padding: 12px;
  border-radius: 12px;
  border: none;
  font-weight: 800;
  font-size: 14px;
  cursor: pointer;
}

/* ==================== HERO SLIDER ==================== */
.va7b-hero {
  position: relative;
  margin: 12px 12px 0;
  border-radius: 18px;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  box-shadow: var(--va7b-shadow);
  background: #07140d;
}

.va7b-hero-track {
  position: absolute;
  inset: 0;
}

.va7b-hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.va7b-hero-slide.va7b-slide-active {
  opacity: 1;
}

.va7b-hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.va7b-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.15) 0%, rgba(0, 0, 0, 0.65) 100%);
}

.va7b-hero-caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  z-index: 2;
}

.va7b-hero-title {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 4px;
  color: #fff;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  line-height: 1.25;
}

.va7b-hero-sub {
  font-size: 12.5px;
  color: #e6ffe9;
  margin: 0 0 10px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.7);
}

.va7b-hero-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--va7b-accent), var(--va7b-mint));
  color: #06120a;
  padding: 9px 18px;
  border-radius: 10px;
  font-weight: 800;
  font-size: 13px;
  border: none;
  box-shadow: 0 4px 12px rgba(127, 255, 0, 0.35);
}

.va7b-hero-dots {
  position: absolute;
  bottom: 8px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 6px;
  z-index: 3;
}

.va7b-hero-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  border: none;
  padding: 0;
  cursor: pointer;
}

.va7b-hero-dot.va7b-dot-active {
  background: var(--va7b-accent);
  width: 18px;
  border-radius: 4px;
}

/* ==================== SECTION TITLES ==================== */
.va7b-section {
  padding: 18px 12px 4px;
}

.va7b-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 8px;
}

.va7b-section-title {
  font-size: 18px;
  font-weight: 800;
  color: var(--va7b-text);
  margin: 0;
  position: relative;
  padding-left: 14px;
  line-height: 1.2;
}

.va7b-section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 4px;
  background: linear-gradient(180deg, var(--va7b-accent), var(--va7b-primary));
  border-radius: 2px;
}

.va7b-section-more {
  font-size: 12px;
  color: var(--va7b-mint);
  font-weight: 600;
}

/* ==================== CATEGORY TABS ==================== */
.va7b-cats {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 12px 10px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.va7b-cats::-webkit-scrollbar {
  display: none;
}

.va7b-cat-tab {
  flex-shrink: 0;
  padding: 8px 14px;
  border-radius: 20px;
  background: rgba(127, 255, 0, 0.07);
  border: 1px solid var(--va7b-border);
  color: var(--va7b-text-muted);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}

.va7b-cat-tab.va7b-cat-active {
  background: linear-gradient(135deg, var(--va7b-accent), var(--va7b-mint));
  color: #06120a;
  border-color: transparent;
}

/* ==================== GAME GRID ==================== */
.va7b-games-block {
  padding: 4px 12px;
  margin-bottom: 4px;
}

.va7b-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.va7b-card {
  background: var(--va7b-card);
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(127, 255, 0, 0.10);
  transition: transform 0.18s, box-shadow 0.2s, border-color 0.2s;
  cursor: pointer;
}

.va7b-card:hover {
  transform: translateY(-3px);
  border-color: var(--va7b-accent);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.va7b-card-img {
  position: relative;
  aspect-ratio: 1 / 1;
  background: #0a1f12;
  overflow: hidden;
}

.va7b-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.va7b-card-play {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.42);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
}

.va7b-card:hover .va7b-card-play {
  opacity: 1;
}

.va7b-card-play span {
  background: var(--va7b-accent);
  color: #06120a;
  padding: 5px 12px;
  border-radius: 16px;
  font-weight: 800;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.va7b-card-title {
  font-size: 11.5px;
  text-align: center;
  padding: 6px 4px 8px;
  color: var(--va7b-text);
  font-weight: 600;
  line-height: 1.25;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.va7b-badge {
  position: absolute;
  top: 6px;
  left: 6px;
  background: linear-gradient(135deg, #ff4d4d, #ff7a00);
  color: #fff;
  font-size: 9px;
  font-weight: 800;
  padding: 3px 7px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  z-index: 1;
}

.va7b-badge-hot { background: linear-gradient(135deg, #ff3366, #ff7a00); }
.va7b-badge-new { background: linear-gradient(135deg, #1e9fff, #00fa9a); color: #04140a; }
.va7b-badge-top { background: linear-gradient(135deg, #ffd24a, #ff9a00); color: #2a1500; }

/* ==================== PROMO / FEATURES ==================== */
.va7b-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 4px 12px;
}

.va7b-feature {
  background: linear-gradient(135deg, rgba(127, 255, 0, 0.07), rgba(0, 250, 154, 0.04));
  border: 1px solid var(--va7b-border);
  border-radius: 12px;
  padding: 12px;
  text-align: center;
}

.va7b-feature-ico {
  font-size: 24px;
  display: block;
  margin-bottom: 4px;
}

.va7b-feature-title {
  font-size: 13px;
  font-weight: 800;
  color: var(--va7b-accent);
  margin: 0 0 2px;
}

.va7b-feature-text {
  font-size: 11px;
  color: var(--va7b-text-muted);
  margin: 0;
  line-height: 1.4;
}

/* Promo banner */
.va7b-promo {
  margin: 16px 12px 4px;
  background: linear-gradient(120deg, #14502b 0%, #1f7a3a 60%, #0c3520 100%);
  border: 1px solid var(--va7b-border);
  border-radius: 16px;
  padding: 16px;
  position: relative;
  overflow: hidden;
}

.va7b-promo::after {
  content: "";
  position: absolute;
  right: -30px;
  top: -30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(circle, rgba(127, 255, 0, 0.25), transparent 70%);
  pointer-events: none;
}

.va7b-promo-title {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 4px;
}

.va7b-promo-text {
  font-size: 12.5px;
  color: #d8f5e2;
  margin: 0 0 12px;
}

.va7b-promo-btn {
  background: linear-gradient(135deg, #fff, #d8ffe6);
  color: #08351b;
  border: none;
  border-radius: 10px;
  padding: 10px 18px;
  font-weight: 800;
  font-size: 13px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* ==================== ARTICLES / SEO TEXT ==================== */
.va7b-article {
  padding: 6px 14px 8px;
}

.va7b-article p {
  margin: 0 0 12px;
  font-size: 14px;
  color: #d6ead9;
  line-height: 1.75;
}

.va7b-article h2 {
  font-size: 17px;
  font-weight: 800;
  margin: 18px 0 8px;
  color: var(--va7b-accent);
}

.va7b-article h3 {
  font-size: 15px;
  font-weight: 700;
  margin: 14px 0 6px;
  color: var(--va7b-mint);
}

.va7b-article ul {
  margin: 0 0 12px;
  padding-left: 20px;
  color: #d6ead9;
  font-size: 13.5px;
  line-height: 1.75;
}

.va7b-internal-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 10px 0 18px;
}

.va7b-internal-links a {
  display: block;
  padding: 10px 12px;
  background: rgba(127, 255, 0, 0.07);
  border: 1px solid var(--va7b-border);
  border-radius: 10px;
  color: var(--va7b-text);
  font-size: 12.5px;
  font-weight: 600;
  text-align: center;
}

.va7b-internal-links a:hover {
  background: rgba(127, 255, 0, 0.16);
  text-decoration: none;
}

/* ==================== FAQ ==================== */
.va7b-faq {
  padding: 4px 12px 12px;
}

.va7b-faq-item {
  background: var(--va7b-card);
  border: 1px solid var(--va7b-border);
  border-radius: 12px;
  margin-bottom: 8px;
  overflow: hidden;
}

.va7b-faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 13px 14px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13.5px;
  color: var(--va7b-text);
  background: none;
  border: none;
  width: 100%;
  text-align: left;
}

.va7b-faq-q::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--va7b-accent);
  transition: transform 0.2s;
  margin-left: 8px;
}

.va7b-faq-item.va7b-faq-open .va7b-faq-q::after {
  content: "−";
  transform: rotate(180deg);
}

.va7b-faq-a {
  max-height: 0;
  overflow: hidden;
  padding: 0 14px;
  color: var(--va7b-text-muted);
  font-size: 13px;
  line-height: 1.7;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.va7b-faq-item.va7b-faq-open .va7b-faq-a {
  max-height: 320px;
  padding: 0 14px 14px;
}

/* ==================== FOOTER ==================== */
.va7b-footer {
  background: linear-gradient(180deg, #0a1c12 0%, #050f0a 100%);
  border-top: 2px solid var(--va7b-primary);
  padding: 22px 14px 100px;
  margin-top: 16px;
}

.va7b-footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.va7b-footer-brand img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  border: 1px solid var(--va7b-accent);
}

.va7b-footer h4 {
  color: var(--va7b-accent);
  font-size: 13px;
  margin: 14px 0 8px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.va7b-footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  list-style: none;
  padding: 0;
  margin: 0 0 8px;
}

.va7b-footer-links a {
  color: var(--va7b-text-muted);
  font-size: 12.5px;
}

.va7b-footer-links a:hover {
  color: var(--va7b-accent);
}

.va7b-footer p {
  color: #93a89a;
  font-size: 11.5px;
  line-height: 1.7;
  margin: 0 0 10px;
}

.va7b-disclaimer {
  background: rgba(255, 77, 77, 0.08);
  border: 1px solid rgba(255, 77, 77, 0.25);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 11px;
  color: #ffb3b3;
  margin: 12px 0;
  line-height: 1.6;
}

.va7b-copy {
  text-align: center;
  font-size: 11px;
  color: #6e8a76;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 12px;
  margin-top: 8px;
}

/* ==================== BOTTOM NAV ==================== */
.va7b-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--va7b-max-w);
  height: var(--va7b-bottom-h);
  background: linear-gradient(180deg, #0e2a1b 0%, #071610 100%);
  border-top: 2px solid var(--va7b-primary);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  z-index: 60;
  box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.5);
}

.va7b-nav-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  background: none;
  border: none;
  color: var(--va7b-text-muted);
  font-size: 10px;
  font-weight: 600;
  padding: 6px 2px 4px;
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}

.va7b-nav-btn svg {
  width: 22px;
  height: 22px;
}

.va7b-nav-btn.va7b-nav-active {
  color: var(--va7b-accent);
}

.va7b-nav-btn.va7b-nav-active::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 32px;
  height: 3px;
  border-radius: 0 0 4px 4px;
  background: var(--va7b-accent);
}

.va7b-nav-btn.va7b-nav-promo {
  color: #fff;
}

.va7b-nav-btn.va7b-nav-promo svg {
  background: linear-gradient(135deg, var(--va7b-accent), var(--va7b-mint));
  color: #06120a;
  border-radius: 50%;
  padding: 4px;
  width: 36px;
  height: 36px;
  box-shadow: 0 3px 10px rgba(127, 255, 0, 0.4);
  margin-top: -14px;
}

/* ==================== TOAST ==================== */
.va7b-toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--va7b-bottom-h) + 20px);
  transform: translate(-50%, 20px);
  background: rgba(8, 25, 16, 0.96);
  color: var(--va7b-accent);
  border: 1px solid var(--va7b-border);
  padding: 10px 16px;
  border-radius: 22px;
  font-size: 12.5px;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 90;
  max-width: 90%;
  text-align: center;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.5);
}

.va7b-toast.va7b-toast-show {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* ==================== BACK TO TOP ==================== */
#va7b-to-top {
  position: fixed;
  right: 14px;
  bottom: calc(var(--va7b-bottom-h) + 14px);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--va7b-primary), var(--va7b-accent));
  color: #06120a;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 70;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
  font-size: 20px;
  font-weight: 800;
}

#va7b-to-top.va7b-to-top-show {
  opacity: 1;
  pointer-events: auto;
}

/* ==================== TIPS / INFO BOX ==================== */
.va7b-info {
  background: rgba(0, 250, 154, 0.05);
  border-left: 3px solid var(--va7b-mint);
  padding: 12px 14px;
  border-radius: 0 10px 10px 0;
  margin: 12px 0;
  font-size: 12.5px;
  color: var(--va7b-text-muted);
  line-height: 1.7;
}

.va7b-info strong {
  color: var(--va7b-accent);
}

/* ==================== RESPONSIVE ==================== */
@media (min-width: 380px) {
  .va7b-grid { grid-template-columns: repeat(4, 1fr); }
  .va7b-section-title { font-size: 19px; }
  .va7b-hero-title { font-size: 24px; }
}

@media (min-width: 460px) {
  .va7b-grid { grid-template-columns: repeat(5, 1fr); }
}

/* Safe-area padding for iOS notched devices */
@supports (padding: max(0px)) {
  .va7b-bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--va7b-bottom-h) + env(safe-area-inset-bottom));
  }
  .va7b-footer {
    padding-bottom: calc(100px + env(safe-area-inset-bottom));
  }
}