/*!
 * Playtime APK - Core stylesheet
 * Prefix: ui3d-
 * Palette: #00FFFF (accent) | #262626 (bg) | #87CEFA (sky) | #4DB6AC (teal)
 * Mobile-first, max-width 430px viewport optimisation.
 */

/* ---------- Design tokens ---------- */
:root {
    --ui3d-primary: #00FFFF;
    --ui3d-sky: #87CEFA;
    --ui3d-teal: #4DB6AC;
    --ui3d-bg: #262626;
    --ui3d-bg-deep: #1b1b1b;
    --ui3d-bg-soft: #303030;
    --ui3d-bg-card: #2f3640;
    --ui3d-text: #f4f9ff;
    --ui3d-text-muted: #b9c6d6;
    --ui3d-text-dim: #8aa0b8;
    --ui3d-border: rgba(0, 255, 255, 0.18);
    --ui3d-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    --ui3d-radius-sm: 8px;
    --ui3d-radius: 14px;
    --ui3d-radius-lg: 22px;
    --ui3d-grad-hero: linear-gradient(135deg, #00FFFF 0%, #4DB6AC 60%, #87CEFA 100%);
    --ui3d-grad-card: linear-gradient(160deg, #2f3640 0%, #262626 100%);
    --ui3d-gap: 1.2rem;
    --ui3d-header-h: 60px;
    --ui3d-bottomnav-h: 62px;
    --ui3d-maxw: 430px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { font-size: 62.5%; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: "Segoe UI", "Helvetica Neue", Roboto, system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at 20% 0%, #2b3a47 0%, var(--ui3d-bg) 55%, var(--ui3d-bg-deep) 100%);
    color: var(--ui3d-text);
    line-height: 1.5;
    font-size: 1.5rem;
    min-height: 100vh;
    overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--ui3d-sky); text-decoration: none; }
a:hover { color: var(--ui3d-primary); }
button { font-family: inherit; cursor: pointer; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0 0 0.6em; line-height: 1.25; font-weight: 700; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.9rem; }
h3 { font-size: 1.6rem; }
p { margin: 0 0 1em; }

.ui3d-no-scroll { overflow: hidden; }

/* ---------- Layout containers ---------- */
.ui3d-wrapper {
    width: 100%;
    max-width: var(--ui3d-maxw);
    margin: 0 auto;
    padding: 0 1.4rem;
}
.ui3d-container {
    width: 100%;
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.4rem;
}
main { padding-top: calc(var(--ui3d-header-h) + 8px); padding-bottom: 2rem; }
section { margin: 2.4rem 0; }

/* ---------- Header ---------- */
.ui3d-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--ui3d-header-h);
    background: rgba(22, 24, 28, 0.96);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ui3d-border);
    z-index: 1000;
}
.ui3d-header-inner {
    height: 100%;
    max-width: var(--ui3d-maxw);
    margin: 0 auto;
    padding: 0 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
}
.ui3d-brand { display: flex; align-items: center; gap: 0.6rem; color: var(--ui3d-text); }
.ui3d-brand img { width: 30px; height: 30px; border-radius: 8px; }
.ui3d-brand-name {
    font-size: 1.5rem; font-weight: 800; letter-spacing: 0.2px;
    background: var(--ui3d-grad-hero);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.ui3d-header-actions { display: flex; align-items: center; gap: 0.5rem; }
.ui3d-menu-btn {
    background: transparent; border: 1px solid var(--ui3d-border);
    color: var(--ui3d-primary); width: 40px; height: 40px;
    border-radius: 10px; font-size: 1.8rem;
    display: inline-flex; align-items: center; justify-content: center;
}

/* ---------- Buttons ---------- */
.ui3d-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
    min-height: 40px; padding: 0 1.2rem;
    border-radius: 999px;
    font-weight: 700; font-size: 1.35rem;
    border: none; color: #06252a;
    background: var(--ui3d-grad-hero);
    box-shadow: 0 6px 18px rgba(0, 255, 255, 0.25);
    transition: transform 0.18s ease, box-shadow 0.18s ease, opacity 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}
.ui3d-btn:hover { transform: translateY(-1px); color: #06252a; }
.ui3d-btn:active { transform: translateY(1px) scale(0.98); }
.ui3d-btn--ghost {
    background: transparent;
    color: var(--ui3d-primary);
    border: 1px solid var(--ui3d-primary);
    box-shadow: none;
}
.ui3d-btn--ghost:hover { color: var(--ui3d-sky); }
.ui3d-btn--block { display: flex; width: 100%; }
.ui3d-btn--lg { min-height: 50px; font-size: 1.6rem; }
.ui3d-btn--sm { min-height: 34px; padding: 0 0.9rem; font-size: 1.2rem; }

/* ---------- Mobile menu drawer ---------- */
.ui3d-mobile-menu {
    position: fixed;
    top: 0; right: -100%;
    width: 82%; max-width: 320px;
    height: 100vh;
    background: var(--ui3d-bg-deep);
    border-left: 1px solid var(--ui3d-border);
    padding: 1.6rem 1.4rem;
    z-index: 9999;
    transform: translateX(0);
    transition: right 0.28s ease;
    overflow-y: auto;
}
.ui3d-mobile-menu.ui3d-menu-open { right: 0; box-shadow: -20px 0 60px rgba(0,0,0,0.6); }
.ui3d-menu-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 9998;
    opacity: 0; pointer-events: none;
    transition: opacity 0.25s ease;
}
.ui3d-menu-backdrop.ui3d-menu-open { opacity: 1; pointer-events: auto; }
.ui3d-menu-close {
    background: transparent; border: none; color: var(--ui3d-text);
    font-size: 2rem; float: right; line-height: 1;
}
.ui3d-menu-title {
    clear: both; font-size: 1.4rem; text-transform: uppercase;
    letter-spacing: 0.18em; color: var(--ui3d-sky); margin: 1rem 0 0.4rem;
}
.ui3d-menu-link {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 0.9rem 0.6rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: var(--ui3d-text); font-size: 1.4rem;
}
.ui3d-menu-link i { color: var(--ui3d-teal); width: 22px; text-align: center; }
.ui3d-menu-link:hover { background: rgba(0,255,255,0.06); color: var(--ui3d-primary); }

/* ---------- Hero ---------- */
.ui3d-hero {
    position: relative;
    border-radius: var(--ui3d-radius-lg);
    overflow: hidden;
    background: var(--ui3d-grad-card);
    border: 1px solid var(--ui3d-border);
    box-shadow: var(--ui3d-shadow);
    margin: 1.2rem 0;
}
.ui3d-hero-inner { padding: 1.6rem; }
.ui3d-hero h1 {
    background: var(--ui3d-grad-hero);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.ui3d-hero p { color: var(--ui3d-text-muted); font-size: 1.4rem; }
.ui3d-hero-cta { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.8rem; }

/* ---------- Carousel ---------- */
.ui3d-carousel {
    position: relative;
    border-radius: var(--ui3d-radius-lg);
    overflow: hidden;
    box-shadow: var(--ui3d-shadow);
    margin: 1.4rem 0;
    background: #111;
}
.ui3d-carousel-viewport { overflow: hidden; }
.ui3d-carousel-track {
    display: flex;
    transition: transform 0.5s ease;
}
.ui3d-carousel-slide {
    min-width: 100%;
    position: relative;
}
.ui3d-carousel-slide img {
    width: 100%; height: 200px; object-fit: cover;
}
.ui3d-carousel-caption {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 1rem 1.2rem;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: #fff; font-size: 1.4rem; font-weight: 600;
}
.ui3d-carousel-dots {
    position: absolute; bottom: 10px; left: 0; right: 0;
    display: flex; justify-content: center; gap: 6px;
}
.ui3d-carousel-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: rgba(255,255,255,0.5); border: none; padding: 0;
}
.ui3d-carousel-dot.ui3d-dot-active { background: var(--ui3d-primary); width: 22px; border-radius: 6px; }
.ui3d-carousel-prev, .ui3d-carousel-next {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: rgba(0,0,0,0.45); color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    width: 34px; height: 34px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.ui3d-carousel-prev { left: 8px; }
.ui3d-carousel-next { right: 8px; }

/* ---------- Section headers ---------- */
.ui3d-section-head {
    display: flex; align-items: center; gap: 0.6rem;
    margin: 1.8rem 0 1rem;
}
.ui3d-section-head i { color: var(--ui3d-primary); font-size: 1.6rem; }
.ui3d-section-head h2 { margin: 0; flex: 1; font-size: 1.7rem; }
.ui3d-section-more { font-size: 1.2rem; color: var(--ui3d-sky); }
.ui3d-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--ui3d-border), transparent);
    margin: 1.6rem 0;
}

/* ---------- Chips ---------- */
.ui3d-chip-row {
    display: flex; gap: 0.5rem; overflow-x: auto;
    padding: 0.4rem 0 0.8rem;
    scrollbar-width: none;
}
.ui3d-chip-row::-webkit-scrollbar { display: none; }
.ui3d-chip {
    flex: 0 0 auto;
    padding: 0.5rem 1rem;
    border-radius: 999px;
    background: var(--ui3d-bg-card);
    color: var(--ui3d-text-muted);
    border: 1px solid rgba(255,255,255,0.06);
    font-size: 1.2rem; font-weight: 600;
    white-space: nowrap;
}
.ui3d-chip.ui3d-nav-active {
    background: var(--ui3d-grad-hero);
    color: #06252a; border-color: transparent;
}

/* ---------- Game grid ---------- */
.ui3d-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.8rem;
}
.ui3d-card {
    background: var(--ui3d-grad-card);
    border-radius: var(--ui3d-radius);
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    position: relative;
}
.ui3d-card:hover { transform: translateY(-2px); box-shadow: var(--ui3d-shadow); }
.ui3d-card-media {
    position: relative;
    aspect-ratio: 1 / 1;
    background: #111;
    overflow: hidden;
}
.ui3d-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.ui3d-card:hover .ui3d-card-media img { transform: scale(1.06); }
.ui3d-card-title {
    padding: 0.5rem 0.4rem 0.7rem;
    font-size: 1.15rem;
    color: var(--ui3d-text);
    font-weight: 600;
    line-height: 1.2;
    min-height: 36px;
    display: flex; align-items: center; justify-content: center;
}
.ui3d-card-badge {
    position: absolute; top: 6px; left: 6px;
    background: var(--ui3d-primary); color: #06252a;
    font-size: 0.95rem; font-weight: 800;
    padding: 0.15rem 0.5rem; border-radius: 6px;
    text-transform: uppercase; letter-spacing: 0.04em;
}
.ui3d-cat-hidden { display: none !important; }

/* ---------- Info / feature blocks ---------- */
.ui3d-panel {
    background: var(--ui3d-grad-card);
    border: 1px solid var(--ui3d-border);
    border-radius: var(--ui3d-radius-lg);
    padding: 1.4rem;
    box-shadow: var(--ui3d-shadow);
}
.ui3d-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
    margin-top: 0.8rem;
}
.ui3d-feature {
    background: rgba(135, 206, 250, 0.06);
    border-radius: var(--ui3d-radius);
    padding: 1rem;
    border: 1px solid rgba(135,206,250,0.12);
}
.ui3d-feature i { color: var(--ui3d-primary); font-size: 1.6rem; }
.ui3d-feature h3 { font-size: 1.3rem; margin: 0.4rem 0; color: var(--ui3d-sky); }
.ui3d-feature p { margin: 0; font-size: 1.2rem; color: var(--ui3d-text-muted); }

/* ---------- RTP table ---------- */
.ui3d-rtp-table { width: 100%; border-collapse: collapse; font-size: 1.25rem; }
.ui3d-rtp-table th, .ui3d-rtp-table td {
    padding: 0.7rem 0.6rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    text-align: left;
}
.ui3d-rtp-table th { color: var(--ui3d-sky); font-size: 1.15rem; text-transform: uppercase; letter-spacing: 0.04em; }
.ui3d-rtp-bar { height: 8px; background: rgba(255,255,255,0.08); border-radius: 4px; overflow: hidden; }
.ui3d-rtp-bar span { display: block; height: 100%; background: var(--ui3d-grad-hero); }

/* ---------- Testimonials ---------- */
.ui3d-testimonial {
    background: rgba(77, 182, 172, 0.07);
    border-left: 3px solid var(--ui3d-teal);
    padding: 1rem 1.2rem;
    border-radius: 8px;
    margin-bottom: 0.8rem;
}
.ui3d-testimonial p { margin: 0 0 0.4rem; font-size: 1.3rem; }
.ui3d-testimonial cite { color: var(--ui3d-sky); font-style: normal; font-weight: 700; font-size: 1.2rem; }
.ui3d-stars { color: #ffd166; font-size: 1.2rem; letter-spacing: 1px; }

/* ---------- Winners ---------- */
.ui3d-winner-row {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.ui3d-winner-avatar {
    width: 36px; height: 36px; border-radius: 50%;
    background: var(--ui3d-grad-hero);
    color: #06252a; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    flex: 0 0 36px;
}
.ui3d-winner-meta { flex: 1; font-size: 1.2rem; }
.ui3d-winner-meta strong { color: var(--ui3d-text); display: block; }
.ui3d-winner-meta span { color: var(--ui3d-text-dim); }
.ui3d-winner-amount { color: var(--ui3d-primary); font-weight: 800; }

/* ---------- Payment / partners ---------- */
.ui3d-payment-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
}
.ui3d-payment {
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    padding: 0.6rem 0.4rem;
    text-align: center;
    font-size: 1.05rem;
    color: var(--ui3d-text-muted);
    border: 1px solid rgba(255,255,255,0.06);
}
.ui3d-payment i { font-size: 1.6rem; color: var(--ui3d-sky); display: block; margin-bottom: 0.3rem; }

/* ---------- FAQ ---------- */
.ui3d-faq-item {
    background: var(--ui3d-grad-card);
    border: 1px solid var(--ui3d-border);
    border-radius: var(--ui3d-radius);
    margin-bottom: 0.6rem;
    overflow: hidden;
}
.ui3d-faq-head {
    padding: 1rem 1.2rem;
    display: flex; justify-content: space-between; align-items: center; gap: 0.8rem;
    font-weight: 700; font-size: 1.35rem; color: var(--ui3d-text);
    background: transparent; border: none; width: 100%; text-align: left;
}
.ui3d-faq-head i { color: var(--ui3d-primary); transition: transform 0.2s ease; }
.ui3d-faq-item.ui3d-faq-open .ui3d-faq-head i { transform: rotate(45deg); }
.ui3d-faq-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    padding: 0 1.2rem;
    color: var(--ui3d-text-muted);
    font-size: 1.25rem;
}
.ui3d-faq-item.ui3d-faq-open .ui3d-faq-body {
    max-height: 500px;
    padding-bottom: 1rem;
}

/* ---------- Download CTA ---------- */
.ui3d-cta-banner {
    background: var(--ui3d-grad-hero);
    color: #06252a;
    border-radius: var(--ui3d-radius-lg);
    padding: 1.6rem;
    text-align: center;
    box-shadow: 0 16px 40px rgba(0,255,255,0.25);
}
.ui3d-cta-banner h2 { color: #06252a; }
.ui3d-cta-banner p { color: rgba(6,37,42,0.85); }
.ui3d-cta-dark {
    background: rgba(6,37,42,0.15); color: #06252a;
    border: 1px solid rgba(6,37,42,0.4);
}

/* ---------- Footer ---------- */
.ui3d-footer {
    margin-top: 3rem;
    background: var(--ui3d-bg-deep);
    border-top: 1px solid var(--ui3d-border);
    padding: 2rem 0 100px;
}
.ui3d-footer p { color: var(--ui3d-text-muted); font-size: 1.25rem; }
.ui3d-footer-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 1.2rem 0;
}
.ui3d-footer-col h4 {
    color: var(--ui3d-sky); font-size: 1.25rem; margin-bottom: 0.5rem;
    text-transform: uppercase; letter-spacing: 0.08em;
}
.ui3d-footer-col a {
    display: block; padding: 0.35rem 0;
    color: var(--ui3d-text-muted); font-size: 1.2rem;
}
.ui3d-footer-promos {
    display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0;
}
.ui3d-footer-promos .ui3d-btn { flex: 1 1 auto; }
.ui3d-footer-bottom {
    text-align: center; padding-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.06);
    color: var(--ui3d-text-dim); font-size: 1.1rem;
}

/* ---------- Mobile bottom nav ---------- */
.ui3d-bottomnav {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: var(--ui3d-bottomnav-h);
    background: rgba(20,22,26,0.98);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--ui3d-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom, 0);
}
.ui3d-bottomnav-btn {
    flex: 1;
    min-width: 60px;
    min-height: var(--ui3d-bottomnav-h);
    background: transparent;
    border: none;
    color: var(--ui3d-text-muted);
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px;
    font-size: 1rem; font-weight: 600;
    transition: color 0.2s ease, transform 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}
.ui3d-bottomnav-btn i { font-size: 22px; }
.ui3d-bottomnav-btn .material-icons,
.ui3d-bottomnav-btn .ion { font-size: 22px; }
.ui3d-bottomnav-btn:hover { color: var(--ui3d-primary); transform: translateY(-1px); }
.ui3d-bottomnav-btn:active { transform: scale(0.94); }
.ui3d-bottomnav-btn.ui3d-nav-active { color: var(--ui3d-primary); }
.ui3d-bottomnav-badge {
    position: absolute; top: 6px; right: 22%;
    background: #ff5a5a; color: #fff;
    font-size: 0.85rem; padding: 1px 5px; border-radius: 8px;
    font-weight: 700; line-height: 1;
}

/* ---------- Reveal animation ---------- */
.ui3d-reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.5s ease, transform 0.5s ease; }
.ui3d-reveal.ui3d-revealed { opacity: 1; transform: none; }

/* ---------- Back to top ---------- */
.ui3d-totop {
    position: fixed; right: 14px; bottom: calc(var(--ui3d-bottomnav-h) + 14px);
    width: 42px; height: 42px; border-radius: 50%;
    background: var(--ui3d-bg-soft); color: var(--ui3d-primary);
    border: 1px solid var(--ui3d-border);
    display: flex; align-items: center; justify-content: center;
    z-index: 900; box-shadow: var(--ui3d-shadow);
}

/* ---------- Responsive ---------- */
@media (min-width: 768px) {
    .ui3d-bottomnav { display: none; }
    .ui3d-footer { padding-bottom: 2rem; }
    .ui3d-grid { grid-template-columns: repeat(5, 1fr); }
    .ui3d-feature-grid { grid-template-columns: repeat(4, 1fr); }
    main { padding-bottom: 2rem; }
}
@media (min-width: 769px) {
    body { font-size: 1.6rem; }
    .ui3d-wrapper, .ui3d-header-inner { max-width: 960px; }
    .ui3d-carousel-slide img { height: 360px; }
}
@media (max-width: 768px) {
    main { padding-bottom: calc(var(--ui3d-bottomnav-h) + 24px); }
    .ui3d-payment-grid { grid-template-columns: repeat(3, 1fr); }
}