/*
 * ace444.click - Core Stylesheet
 * All classes use ui73- prefix for namespace isolation
 * Color Palette: #DEB887 | #A0522D | #F5DEB3 | #0E1621
 * Mobile-first responsive design
 */

:root {
    --ui73-primary: #DEB887;
    --ui73-secondary: #A0522D;
    --ui73-accent: #F5DEB3;
    --ui73-bg: #0E1621;
    --ui73-bg-card: #162230;
    --ui73-bg-dark: #0a1018;
    --ui73-text: #F5DEB3;
    --ui73-text-light: #DEB887;
    --ui73-text-dim: #8a9bb0;
    --ui73-border: #1e3348;
    --ui73-gold: #DEB887;
    --ui73-brown: #A0522D;
    --ui73-warm: #c8956c;
    --ui73-radius: 8px;
    --ui73-radius-lg: 12px;
    --ui73-shadow: 0 2px 12px rgba(0,0,0,0.3);
    --ui73-transition: all 0.3s ease;
    --ui73-font: 'Segoe UI', 'Noto Sans Bengali', sans-serif;
}

/* Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 62.5%; scroll-behavior: smooth; }
body {
    font-family: var(--ui73-font);
    background: var(--ui73-bg);
    color: var(--ui73-text);
    line-height: 1.5rem;
    font-size: 1.4rem;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    max-width: 430px;
    margin: 0 auto;
    min-height: 100vh;
}
a { color: var(--ui73-primary); text-decoration: none; transition: var(--ui73-transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; }

/* Container */
.ui73-container { width: 100%; max-width: 430px; margin: 0 auto; padding: 0 1.2rem; }
.ui73-wrapper { padding: 1rem 0; }
.ui73-main { padding-top: 5.6rem; }

/* ===== HEADER ===== */
.ui73-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background: linear-gradient(135deg, #0a1018 0%, #162230 100%);
    border-bottom: 1px solid var(--ui73-border);
    max-width: 430px; margin: 0 auto;
    height: 5.6rem;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1rem;
}
.ui73-header-logo {
    display: flex; align-items: center; gap: 0.6rem;
    cursor: pointer;
}
.ui73-header-logo img { width: 3rem; height: 3rem; border-radius: 6px; }
.ui73-header-logo span {
    font-size: 1.6rem; font-weight: 700; color: var(--ui73-gold);
    letter-spacing: 0.5px;
}
.ui73-header-actions { display: flex; gap: 0.6rem; align-items: center; }
.ui73-header-actions button {
    padding: 0.5rem 1rem; border-radius: var(--ui73-radius);
    font-size: 1.2rem; font-weight: 600; cursor: pointer;
    border: none; transition: var(--ui73-transition);
    min-height: 3.2rem;
}
.ui73-btn-register {
    background: var(--ui73-gold); color: var(--ui73-bg);
}
.ui73-btn-register:hover { background: #f0cc8a; transform: scale(1.03); }
.ui73-btn-login {
    background: transparent; color: var(--ui73-gold);
    border: 1.5px solid var(--ui73-gold) !important;
}
.ui73-btn-login:hover { background: rgba(222,184,135,0.15); }

/* Menu Toggle */
.ui73-menu-toggle {
    background: none; border: none; color: var(--ui73-gold);
    font-size: 2.2rem; cursor: pointer; padding: 0.4rem;
    display: flex; align-items: center; justify-content: center;
}

/* ===== MOBILE MENU ===== */
.ui73-overlay {
    display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.6); z-index: 9998;
}
.ui73-mobile-menu {
    position: fixed; top: 0; left: 0; width: 75%; max-width: 300px;
    height: 100vh; background: var(--ui73-bg-dark); z-index: 9999;
    transform: translateX(-100%); transition: transform 0.3s ease;
    overflow-y: auto; padding: 2rem 1.5rem;
}
.ui73-mobile-menu-header {
    display: flex; align-items: center; gap: 0.8rem;
    margin-bottom: 2rem; padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--ui73-border);
}
.ui73-mobile-menu-header img { width: 3.5rem; height: 3.5rem; border-radius: 8px; }
.ui73-mobile-menu-header span { font-size: 1.8rem; font-weight: 700; color: var(--ui73-gold); }
.ui73-mobile-menu nav { display: flex; flex-direction: column; gap: 0.3rem; }
.ui73-mobile-menu a {
    display: flex; align-items: center; gap: 0.8rem;
    padding: 1rem; border-radius: var(--ui73-radius);
    color: var(--ui73-text); font-size: 1.3rem;
    transition: var(--ui73-transition);
}
.ui73-mobile-menu a:hover {
    background: rgba(222,184,135,0.1); color: var(--ui73-gold);
}

/* ===== CAROUSEL ===== */
.ui73-carousel {
    position: relative; overflow: hidden;
    border-radius: var(--ui73-radius-lg); margin: 1rem 0;
}
.ui73-slide {
    display: none; cursor: pointer;
    border-radius: var(--ui73-radius-lg); overflow: hidden;
}
.ui73-slide img { width: 100%; height: auto; min-height: 16rem; object-fit: cover; }
.ui73-slide-active { display: block; }
.ui73-dots {
    display: flex; justify-content: center; gap: 0.6rem;
    padding: 0.8rem 0;
}
.ui73-dot {
    width: 0.8rem; height: 0.8rem; border-radius: 50%;
    background: var(--ui73-border); cursor: pointer;
    transition: var(--ui73-transition); border: none;
}
.ui73-dot-active { background: var(--ui73-gold); transform: scale(1.2); }

/* ===== SECTION TITLES ===== */
.ui73-section-title {
    font-size: 1.8rem; font-weight: 700; color: var(--ui73-gold);
    padding: 1.2rem 0 0.8rem; margin: 0;
    display: flex; align-items: center; gap: 0.6rem;
}
.ui73-section-title i, .ui73-section-title .material-icons {
    font-size: 2rem; color: var(--ui73-brown);
}

/* ===== GAME GRID ===== */
.ui73-game-grid {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem; padding: 0.5rem 0;
}
.ui73-game-item {
    display: flex; flex-direction: column; align-items: center;
    cursor: pointer; transition: var(--ui73-transition);
    border-radius: var(--ui73-radius); padding: 0.3rem;
}
.ui73-game-item:hover { transform: translateY(-2px); }
.ui73-game-item img {
    width: 100%; aspect-ratio: 1; object-fit: cover;
    border-radius: var(--ui73-radius); border: 1.5px solid var(--ui73-border);
    transition: var(--ui73-transition);
}
.ui73-game-item:hover img { border-color: var(--ui73-gold); }
.ui73-game-item span {
    font-size: 1rem; color: var(--ui73-text-dim);
    text-align: center; margin-top: 0.3rem;
    line-height: 1.2rem; overflow: hidden;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    max-width: 100%;
}

/* ===== CARDS ===== */
.ui73-card {
    background: var(--ui73-bg-card); border-radius: var(--ui73-radius-lg);
    padding: 1.5rem; margin: 1rem 0;
    border: 1px solid var(--ui73-border);
}
.ui73-card-title {
    font-size: 1.5rem; font-weight: 600; color: var(--ui73-gold);
    margin-bottom: 0.8rem;
}

/* ===== BUTTONS ===== */
.ui73-btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 0.5rem; padding: 0.8rem 1.6rem; border-radius: var(--ui73-radius);
    font-size: 1.3rem; font-weight: 600; cursor: pointer;
    border: none; transition: var(--ui73-transition);
    min-height: 4rem;
}
.ui73-btn-primary {
    background: linear-gradient(135deg, var(--ui73-gold), var(--ui73-brown));
    color: var(--ui73-bg);
}
.ui73-btn-primary:hover { transform: scale(1.03); box-shadow: 0 4px 16px rgba(222,184,135,0.3); }
.ui73-btn-outline {
    background: transparent; color: var(--ui73-gold);
    border: 1.5px solid var(--ui73-gold);
}
.ui73-btn-outline:hover { background: rgba(222,184,135,0.15); }
.ui73-btn-block { width: 100%; }
.ui73-btn-lg { padding: 1rem 2rem; font-size: 1.5rem; min-height: 4.6rem; }

/* ===== PROMO LINK ===== */
.ui73-promo-text {
    color: var(--ui73-gold); font-weight: 600; cursor: pointer;
    transition: var(--ui73-transition);
    border-bottom: 1px dashed rgba(222,184,135,0.4);
}
.ui73-promo-text:hover { color: #fff; border-color: #fff; }

/* ===== FOOTER ===== */
.ui73-footer {
    background: var(--ui73-bg-dark); padding: 2rem 1.2rem 8rem;
    border-top: 1px solid var(--ui73-border);
}
.ui73-footer-brand {
    text-align: center; padding: 1rem 0;
    color: var(--ui73-text-dim); font-size: 1.2rem;
    line-height: 1.6rem;
}
.ui73-footer-links {
    display: flex; flex-wrap: wrap; gap: 0.6rem;
    justify-content: center; padding: 1rem 0;
}
.ui73-footer-links a {
    padding: 0.5rem 1rem; background: var(--ui73-bg-card);
    border-radius: var(--ui73-radius); font-size: 1.1rem;
    color: var(--ui73-text); border: 1px solid var(--ui73-border);
    transition: var(--ui73-transition);
}
.ui73-footer-links a:hover { border-color: var(--ui73-gold); color: var(--ui73-gold); }
.ui73-footer-copy {
    text-align: center; padding: 1rem 0; font-size: 1.1rem;
    color: var(--ui73-text-dim);
}
.ui73-footer-partners {
    display: flex; justify-content: center; gap: 1rem;
    padding: 1rem 0; flex-wrap: wrap;
}
.ui73-footer-partners span {
    font-size: 1rem; color: var(--ui73-text-dim);
    padding: 0.3rem 0.6rem; border: 1px solid var(--ui73-border);
    border-radius: 4px;
}

/* ===== BOTTOM NAV ===== */
.ui73-bottom-nav {
    position: fixed; bottom: 0; left: 0; right: 0;
    max-width: 430px; margin: 0 auto;
    height: 6rem; background: linear-gradient(180deg, #162230 0%, #0a1018 100%);
    border-top: 1px solid var(--ui73-border);
    display: flex; justify-content: space-around; align-items: center;
    z-index: 1000; padding: 0 0.3rem;
}
.ui73-bottom-nav-item {
    display: flex; flex-direction: column; align-items: center;
    justify-content: center; min-width: 5.8rem; min-height: 5.8rem;
    cursor: pointer; transition: var(--ui73-transition);
    border: none; background: none; color: var(--ui73-text-dim);
    gap: 0.2rem; border-radius: 8px;
}
.ui73-bottom-nav-item:hover, .ui73-bottom-nav-item:active {
    color: var(--ui73-gold); background: rgba(222,184,135,0.08);
    transform: scale(1.05);
}
.ui73-bottom-nav-item i,
.ui73-bottom-nav-item .material-icons,
.ui73-bottom-nav-item ion-icon {
    font-size: 2.2rem;
}
.ui73-bottom-nav-item span {
    font-size: 1rem; line-height: 1.2rem;
}
.ui73-bottom-nav-item.ui73-nav-active {
    color: var(--ui73-gold);
}
.ui73-bottom-nav-item.ui73-nav-active::after {
    content: ''; display: block; width: 2rem; height: 2px;
    background: var(--ui73-gold); border-radius: 1px;
    margin-top: 0.1rem;
}

/* ===== BACK TO TOP ===== */
.ui73-back-top {
    position: fixed; bottom: 7rem; right: 1.2rem;
    width: 3.6rem; height: 3.6rem; border-radius: 50%;
    background: var(--ui73-brown); color: #fff;
    display: none; align-items: center; justify-content: center;
    cursor: pointer; border: none; z-index: 999;
    box-shadow: var(--ui73-shadow); font-size: 1.8rem;
    transition: var(--ui73-transition);
}
.ui73-back-top:hover { background: var(--ui73-gold); transform: scale(1.1); }

/* ===== TEXT STYLES ===== */
.ui73-text-gold { color: var(--ui73-gold); }
.ui73-text-brown { color: var(--ui73-brown); }
.ui73-text-dim { color: var(--ui73-text-dim); }
.ui73-text-center { text-align: center; }
.ui73-text-sm { font-size: 1.2rem; }
.ui73-text-xs { font-size: 1rem; }
.ui73-fw-bold { font-weight: 700; }
.ui73-mt-1 { margin-top: 0.5rem; }
.ui73-mt-2 { margin-top: 1rem; }
.ui73-mb-1 { margin-bottom: 0.5rem; }
.ui73-mb-2 { margin-bottom: 1rem; }
.ui73-py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.ui73-py-2 { padding-top: 1rem; padding-bottom: 1rem; }

/* ===== CONTENT MODULES ===== */
.ui73-info-list { padding: 0 1.2rem; }
.ui73-info-list li { padding: 0.4rem 0; font-size: 1.3rem; line-height: 1.6rem; }
.ui73-info-list li::marker { color: var(--ui73-gold); }

.ui73-faq-item { padding: 0.8rem 0; border-bottom: 1px solid var(--ui73-border); }
.ui73-faq-q { font-size: 1.4rem; font-weight: 600; color: var(--ui73-gold); margin-bottom: 0.4rem; }
.ui73-faq-a { font-size: 1.2rem; color: var(--ui73-text-dim); line-height: 1.6rem; }

.ui73-highlight-box {
    background: linear-gradient(135deg, rgba(222,184,135,0.1), rgba(160,82,45,0.1));
    border: 1px solid rgba(222,184,135,0.3);
    border-radius: var(--ui73-radius-lg); padding: 1.2rem;
    margin: 1rem 0;
}

.ui73-badge {
    display: inline-block; padding: 0.2rem 0.6rem;
    background: var(--ui73-brown); color: #fff;
    border-radius: 4px; font-size: 1rem; font-weight: 600;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 769px) {
    body { max-width: 430px; }
    .ui73-bottom-nav { display: none; }
    .ui73-main { padding-bottom: 0; }
}
@media (max-width: 768px) {
    .ui73-main { padding-bottom: 8rem; }
}
@media (max-width: 360px) {
    .ui73-game-grid { grid-template-columns: repeat(3, 1fr); }
}