/**
 * a46 Core Stylesheet
 * All classes use uidf- prefix for namespace isolation
 * Color palette: #5F9EA0 (cadet blue), #333333 (dark gray), #0000CD (medium blue), #808080 (gray)
 * Mobile-first design, max-width: 430px
 */

/* CSS Variables */
:root {
    --uidf-primary: #5F9EA0;
    --uidf-secondary: #0000CD;
    --uidf-dark: #333333;
    --uidf-gray: #808080;
    --uidf-bg: #1a1a2e;
    --uidf-bg-alt: #16213e;
    --uidf-bg-card: #0f3460;
    --uidf-text: #e8e8e8;
    --uidf-text-muted: #b0b0b0;
    --uidf-accent: #5F9EA0;
    --uidf-accent-bright: #7ec8c8;
    --uidf-gold: #f0c040;
    --uidf-danger: #e74c3c;
    --uidf-success: #27ae60;
    --uidf-radius: 1.2rem;
    --uidf-radius-sm: 0.8rem;
    --uidf-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    --uidf-transition: all 0.3s ease;
}

/* Reset & Base */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--uidf-bg);
    color: var(--uidf-text);
    line-height: 1.5rem;
    font-size: 1.4rem;
    max-width: 430px;
    margin: 0 auto;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--uidf-accent-bright);
    text-decoration: none;
    transition: var(--uidf-transition);
}

a:hover {
    color: var(--uidf-gold);
}

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

/* Header */
.uidf-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    height: 56px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem;
    z-index: 1000;
    border-bottom: 2px solid var(--uidf-primary);
}

.uidf-header-left {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.uidf-logo {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: contain;
}

.uidf-site-name {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--uidf-primary);
    letter-spacing: 0.5px;
}

.uidf-header-right {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.uidf-btn-register, .uidf-btn-login {
    padding: 0.5rem 1.2rem;
    border-radius: var(--uidf-radius-sm);
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--uidf-transition);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.uidf-btn-register {
    background: linear-gradient(135deg, var(--uidf-primary), #4a8a8c);
    color: #fff;
}

.uidf-btn-register:hover {
    background: linear-gradient(135deg, #4a8a8c, var(--uidf-primary));
    transform: scale(1.05);
}

.uidf-btn-login {
    background: transparent;
    color: var(--uidf-primary);
    border: 1.5px solid var(--uidf-primary);
}

.uidf-btn-login:hover {
    background: rgba(95, 158, 160, 0.15);
    transform: scale(1.05);
}

.uidf-menu-toggle {
    background: none;
    border: none;
    color: var(--uidf-text);
    font-size: 2.2rem;
    cursor: pointer;
    padding: 0.4rem;
    display: flex;
    align-items: center;
}

/* Mobile Menu */
.uidf-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 260px;
    height: 100vh;
    background: linear-gradient(180deg, #1a1a2e, #16213e);
    z-index: 9999;
    transition: right 0.35s ease;
    padding: 6rem 0 2rem;
    border-left: 2px solid var(--uidf-primary);
}

.uidf-menu-active {
    right: 0 !important;
}

.uidf-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    display: none;
}

.uidf-overlay-active {
    display: block !important;
}

.uidf-menu-close {
    position: absolute;
    top: 1.2rem;
    right: 1.2rem;
    background: none;
    border: none;
    color: var(--uidf-text);
    font-size: 2rem;
    cursor: pointer;
}

.uidf-menu-list {
    list-style: none;
    padding: 0 1.5rem;
}

.uidf-menu-item {
    border-bottom: 1px solid rgba(95, 158, 160, 0.2);
}

.uidf-menu-link {
    display: block;
    padding: 1.4rem 0;
    color: var(--uidf-text);
    font-size: 1.4rem;
    font-weight: 500;
    transition: var(--uidf-transition);
}

.uidf-menu-link:hover {
    color: var(--uidf-primary);
    padding-left: 0.8rem;
}

/* Main Content */
.uidf-main {
    padding-top: 56px;
    min-height: 100vh;
}

@media (max-width: 768px) {
    .uidf-main {
        padding-bottom: 80px;
    }
}

/* Carousel */
.uidf-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-top: 56px;
}

.uidf-slide {
    display: none;
    width: 100%;
    cursor: pointer;
}

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

.uidf-slide img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/7;
    object-fit: cover;
}

.uidf-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    padding: 1rem 0;
    background: var(--uidf-bg);
}

.uidf-slide-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--uidf-gray);
    cursor: pointer;
    transition: var(--uidf-transition);
    border: none;
}

.uidf-dot-active {
    background: var(--uidf-primary);
    transform: scale(1.3);
}

/* Section Layout */
.uidf-section {
    padding: 2rem 1.2rem;
}

.uidf-section-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--uidf-primary);
    margin-bottom: 1.2rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--uidf-primary);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.uidf-section-title .material-icons,
.uidf-section-title .fas,
.uidf-section-title .far {
    font-size: 2rem;
}

/* Game Grid */
.uidf-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--uidf-accent-bright);
    margin: 1.5rem 0 1rem;
    padding-left: 0.8rem;
    border-left: 3px solid var(--uidf-secondary);
}

.uidf-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}

.uidf-game-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: var(--uidf-transition);
    border-radius: var(--uidf-radius-sm);
    padding: 0.6rem;
    background: rgba(15, 52, 96, 0.5);
}

.uidf-game-card:hover {
    transform: translateY(-3px);
    background: rgba(95, 158, 160, 0.15);
    box-shadow: 0 4px 12px rgba(95, 158, 160, 0.2);
}

.uidf-game-card img {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    object-fit: cover;
    margin-bottom: 0.4rem;
}

.uidf-game-card span {
    font-size: 1rem;
    color: var(--uidf-text-muted);
    text-align: center;
    line-height: 1.2rem;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Buttons */
.uidf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 1rem 2rem;
    border-radius: var(--uidf-radius);
    font-size: 1.4rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--uidf-transition);
    text-transform: uppercase;
    min-height: 44px;
}

.uidf-btn-primary {
    background: linear-gradient(135deg, var(--uidf-primary), #4a8a8c);
    color: #fff;
}

.uidf-btn-primary:hover {
    background: linear-gradient(135deg, #4a8a8c, var(--uidf-primary));
    transform: scale(1.03);
    box-shadow: 0 4px 20px rgba(95, 158, 160, 0.4);
}

.uidf-btn-secondary {
    background: linear-gradient(135deg, var(--uidf-secondary), #0000a0);
    color: #fff;
}

.uidf-btn-secondary:hover {
    transform: scale(1.03);
    box-shadow: 0 4px 20px rgba(0, 0, 205, 0.4);
}

.uidf-btn-gold {
    background: linear-gradient(135deg, var(--uidf-gold), #d4a830);
    color: var(--uidf-dark);
}

.uidf-btn-gold:hover {
    transform: scale(1.03);
}

.uidf-btn-block {
    display: flex;
    width: 100%;
}

/* Content Cards */
.uidf-card {
    background: var(--uidf-bg-card);
    border-radius: var(--uidf-radius);
    padding: 1.5rem;
    margin-bottom: 1.2rem;
    box-shadow: var(--uidf-shadow);
    border: 1px solid rgba(95, 158, 160, 0.15);
}

.uidf-card h3 {
    color: var(--uidf-primary);
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
}

.uidf-card p {
    color: var(--uidf-text-muted);
    font-size: 1.3rem;
    line-height: 1.8rem;
    margin-bottom: 0.6rem;
}

/* Promo Text Link */
.uidf-promo-link {
    color: var(--uidf-gold);
    font-weight: 700;
    text-decoration: underline;
    cursor: pointer;
    transition: var(--uidf-transition);
}

.uidf-promo-link:hover {
    color: var(--uidf-accent-bright);
}

/* Footer */
.uidf-footer {
    background: linear-gradient(180deg, var(--uidf-bg-alt), #0d1b36);
    padding: 2.5rem 1.2rem 2rem;
    border-top: 2px solid var(--uidf-primary);
}

.uidf-footer-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.uidf-footer-brand p {
    color: var(--uidf-text-muted);
    font-size: 1.2rem;
    line-height: 1.6rem;
    margin-bottom: 0.4rem;
}

.uidf-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.uidf-footer-links a {
    color: var(--uidf-text-muted);
    font-size: 1.1rem;
    padding: 0.3rem 0.6rem;
    transition: var(--uidf-transition);
}

.uidf-footer-links a:hover {
    color: var(--uidf-primary);
}

.uidf-footer-promo {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.uidf-footer-promo-btn {
    padding: 0.6rem 1.2rem;
    background: rgba(95, 158, 160, 0.15);
    border: 1px solid var(--uidf-primary);
    color: var(--uidf-primary);
    border-radius: var(--uidf-radius-sm);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--uidf-transition);
}

.uidf-footer-promo-btn:hover {
    background: var(--uidf-primary);
    color: #fff;
}

.uidf-footer-copy {
    text-align: center;
    color: var(--uidf-gray);
    font-size: 1.1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(95, 158, 160, 0.15);
}

/* Bottom Navigation */
.uidf-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    height: 60px;
    background: linear-gradient(135deg, #1a1a2e, #0f3460);
    border-top: 2px solid var(--uidf-primary);
    z-index: 1000;
    padding: 0.4rem 0;
}

@media (max-width: 768px) {
    .uidf-bottom-nav {
        display: flex;
        justify-content: space-around;
        align-items: center;
    }
}

.uidf-bnav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 52px;
    background: none;
    border: none;
    color: var(--uidf-gray);
    cursor: pointer;
    transition: var(--uidf-transition);
    padding: 0.2rem;
    border-radius: 8px;
    position: relative;
}

.uidf-bnav-btn:hover,
.uidf-bnav-btn.uidf-bnav-active {
    color: var(--uidf-primary);
    background: rgba(95, 158, 160, 0.1);
}

.uidf-bnav-btn:active {
    transform: scale(0.92);
}

.uidf-bnav-icon {
    font-size: 22px;
    margin-bottom: 0.15rem;
}

.uidf-bnav-label {
    font-size: 1rem;
    line-height: 1.2rem;
    font-weight: 500;
}

.uidf-bnav-active .uidf-bnav-label {
    color: var(--uidf-primary);
    font-weight: 700;
}

/* Desktop: hide bottom nav */
@media (min-width: 769px) {
    .uidf-bottom-nav {
        display: none !important;
    }
    .uidf-main {
        padding-bottom: 0;
    }
}

/* Utility */
.uidf-text-center { text-align: center; }
.uidf-mt-1 { margin-top: 1rem; }
.uidf-mt-2 { margin-top: 2rem; }
.uidf-mb-1 { margin-bottom: 1rem; }
.uidf-mb-2 { margin-bottom: 2rem; }
.uidf-p-1 { padding: 1rem; }
.uidf-p-2 { padding: 2rem; }

/* Help page styles */
.uidf-help-section {
    padding: 2rem 1.2rem;
}

.uidf-help-section h2 {
    font-size: 1.6rem;
    color: var(--uidf-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid rgba(95, 158, 160, 0.3);
}

.uidf-help-section p {
    color: var(--uidf-text-muted);
    font-size: 1.3rem;
    line-height: 1.8rem;
    margin-bottom: 0.8rem;
}

.uidf-step-list {
    list-style: none;
    padding: 0;
    counter-reset: step-counter;
}

.uidf-step-list li {
    counter-increment: step-counter;
    padding: 0.8rem 0 0.8rem 3rem;
    position: relative;
    color: var(--uidf-text-muted);
    font-size: 1.3rem;
    line-height: 1.6rem;
    border-bottom: 1px solid rgba(95, 158, 160, 0.1);
}

.uidf-step-list li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 2.2rem;
    height: 2.2rem;
    background: var(--uidf-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
}

.uidf-faq-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: rgba(15, 52, 96, 0.4);
    border-radius: var(--uidf-radius-sm);
    border-left: 3px solid var(--uidf-primary);
}

.uidf-faq-item h3 {
    color: var(--uidf-accent-bright);
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
}

.uidf-faq-item p {
    color: var(--uidf-text-muted);
    font-size: 1.2rem;
    line-height: 1.6rem;
}

/* Winner showcase */
.uidf-winner-list {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.uidf-winner-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(15, 52, 96, 0.4);
    border-radius: var(--uidf-radius-sm);
}

.uidf-winner-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--uidf-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 700;
    flex-shrink: 0;
}

.uidf-winner-info {
    flex: 1;
}

.uidf-winner-name {
    font-size: 1.2rem;
    color: var(--uidf-text);
    font-weight: 600;
}

.uidf-winner-game {
    font-size: 1rem;
    color: var(--uidf-gray);
}

.uidf-winner-amount {
    font-size: 1.3rem;
    color: var(--uidf-gold);
    font-weight: 700;
}

/* Testimonials */
.uidf-testimonial {
    padding: 1.2rem;
    background: rgba(15, 52, 96, 0.4);
    border-radius: var(--uidf-radius-sm);
    margin-bottom: 0.8rem;
    border-left: 3px solid var(--uidf-gold);
}

.uidf-testimonial p {
    color: var(--uidf-text-muted);
    font-size: 1.2rem;
    font-style: italic;
    margin-bottom: 0.4rem;
}

.uidf-testimonial-author {
    color: var(--uidf-primary);
    font-size: 1.1rem;
    font-weight: 600;
}

/* Payment icons */
.uidf-payment-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 0;
}

.uidf-payment-item {
    width: 50px;
    height: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--uidf-text);
    font-weight: 600;
}