/**
 * Nustar App - Core Stylesheet
 * All classes use ui9d- prefix for namespace isolation
 * Color palette: #1A1A1A (bg), #C71585 (primary), #1E90FF (accent),
 *                #48D1CC (highlight), #F0F8FF (text)
 */

:root {
    --ui9d-bg: #1A1A1A;
    --ui9d-bg-alt: #252525;
    --ui9d-bg-card: #2a2a2a;
    --ui9d-primary: #C71585;
    --ui9d-primary-dark: #9E1068;
    --ui9d-accent: #1E90FF;
    --ui9d-accent-light: #63B3FF;
    --ui9d-highlight: #48D1CC;
    --ui9d-text: #F0F8FF;
    --ui9d-text-dim: #a0aab4;
    --ui9d-border: #3a3a3a;
    --ui9d-gold: #FFD700;
    --ui9d-success: #32CD32;
    --ui9d-radius: 8px;
    --ui9d-radius-lg: 14px;
    --ui9d-shadow: 0 4px 15px rgba(0,0,0,0.4);
    --ui9d-transition: all 0.3s ease;
}

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--ui9d-bg);
    color: var(--ui9d-text);
    line-height: 1.5rem;
    max-width: 430px;
    margin: 0 auto;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* === HEADER === */
.ui9d-header {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    height: 56px;
    background: linear-gradient(135deg, #1A1A1A 0%, #2a1a28 100%);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.2rem;
    z-index: 1000;
    border-bottom: 1px solid var(--ui9d-primary-dark);
    box-shadow: 0 2px 12px rgba(199,21,133,0.15);
}

.ui9d-header-left {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.ui9d-logo {
    width: 28px;
    height: 28px;
    border-radius: 6px;
}

.ui9d-site-name {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--ui9d-highlight), var(--ui9d-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ui9d-header-right {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ui9d-btn-register {
    background: linear-gradient(135deg, var(--ui9d-primary), var(--ui9d-primary-dark));
    color: var(--ui9d-text);
    border: none;
    padding: 0.5rem 1.2rem;
    border-radius: var(--ui9d-radius);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--ui9d-transition);
}

.ui9d-btn-register:hover {
    transform: scale(1.05);
    box-shadow: 0 0 12px rgba(199,21,133,0.5);
}

.ui9d-btn-login {
    background: transparent;
    color: var(--ui9d-accent);
    border: 1.5px solid var(--ui9d-accent);
    padding: 0.45rem 1.1rem;
    border-radius: var(--ui9d-radius);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ui9d-transition);
}

.ui9d-btn-login:hover {
    background: rgba(30,144,255,0.1);
}

.ui9d-menu-toggle {
    background: none;
    border: none;
    color: var(--ui9d-text);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.4rem;
    line-height: 1;
}

/* === MOBILE MENU === */
.ui9d-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 260px;
    height: 100vh;
    background: var(--ui9d-bg-alt);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.ui9d-menu-active {
    right: 0;
}

.ui9d-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0,0,0,0.6);
    z-index: 9998;
    display: none;
}

.ui9d-overlay-active {
    display: block;
}

.ui9d-menu-close {
    background: none;
    border: none;
    color: var(--ui9d-text);
    font-size: 2.4rem;
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    cursor: pointer;
}

.ui9d-menu-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ui9d-highlight);
    margin-bottom: 2rem;
    padding-top: 1rem;
}

.ui9d-menu-link {
    display: block;
    padding: 1rem 0;
    color: var(--ui9d-text);
    text-decoration: none;
    font-size: 1.4rem;
    border-bottom: 1px solid var(--ui9d-border);
    transition: var(--ui9d-transition);
}

.ui9d-menu-link:hover {
    color: var(--ui9d-accent);
    padding-left: 0.5rem;
}

/* === MAIN CONTENT === */
main {
    padding-top: 56px;
}

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

.ui9d-container {
    width: 100%;
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.2rem;
}

/* === SLIDER === */
.ui9d-slider {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    margin-top: 1rem;
    border-radius: var(--ui9d-radius-lg);
}

.ui9d-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.6s ease;
    cursor: pointer;
}

.ui9d-slide-active {
    opacity: 1;
}

.ui9d-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.ui9d-slider-dots {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 5;
}

.ui9d-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    cursor: pointer;
    transition: var(--ui9d-transition);
}

.ui9d-dot-active {
    background: var(--ui9d-primary);
    width: 20px;
    border-radius: 4px;
}

/* === SECTIONS === */
.ui9d-section {
    padding: 2rem 0;
}

.ui9d-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--ui9d-primary);
    color: var(--ui9d-text);
}

.ui9d-section-title .fas,
.ui9d-section-title .material-icons-outlined {
    margin-right: 0.5rem;
    color: var(--ui9d-highlight);
}

/* === GAME GRID === */
.ui9d-game-category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 1.5rem 0 1rem;
    color: var(--ui9d-accent);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ui9d-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}

.ui9d-game-item {
    text-align: center;
    cursor: pointer;
    transition: var(--ui9d-transition);
    border-radius: var(--ui9d-radius);
    padding: 0.5rem;
}

.ui9d-game-item:hover {
    background: var(--ui9d-bg-card);
    transform: translateY(-2px);
}

.ui9d-game-item img {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--ui9d-radius);
    object-fit: cover;
    border: 2px solid var(--ui9d-border);
    transition: var(--ui9d-transition);
}

.ui9d-game-item:hover img {
    border-color: var(--ui9d-primary);
}

.ui9d-game-name {
    font-size: 1.1rem;
    margin-top: 0.3rem;
    color: var(--ui9d-text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* === BUTTONS === */
.ui9d-btn-promo {
    display: inline-block;
    background: linear-gradient(135deg, var(--ui9d-primary), #E91E8C);
    color: var(--ui9d-text);
    border: none;
    padding: 1rem 2.4rem;
    border-radius: 50px;
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--ui9d-transition);
    text-decoration: none;
    text-align: center;
    box-shadow: 0 4px 20px rgba(199,21,133,0.4);
}

.ui9d-btn-promo:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(199,21,133,0.6);
}

.ui9d-btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--ui9d-accent);
    border: 2px solid var(--ui9d-accent);
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--ui9d-transition);
    text-decoration: none;
}

.ui9d-btn-secondary:hover {
    background: rgba(30,144,255,0.15);
}

/* === CARDS === */
.ui9d-card {
    background: var(--ui9d-bg-card);
    border-radius: var(--ui9d-radius-lg);
    padding: 1.5rem;
    margin-bottom: 1.2rem;
    border: 1px solid var(--ui9d-border);
}

.ui9d-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--ui9d-highlight);
}

.ui9d-card p {
    font-size: 1.3rem;
    line-height: 1.8rem;
    color: var(--ui9d-text-dim);
}

/* === TEXT STYLES === */
.ui9d-text-gradient {
    background: linear-gradient(90deg, var(--ui9d-primary), var(--ui9d-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ui9d-text-link {
    color: var(--ui9d-accent);
    text-decoration: underline;
    cursor: pointer;
}

.ui9d-text-link:hover {
    color: var(--ui9d-highlight);
}

.ui9d-highlight-box {
    background: linear-gradient(135deg, rgba(199,21,133,0.15), rgba(30,144,255,0.1));
    border-left: 3px solid var(--ui9d-primary);
    padding: 1.2rem;
    border-radius: 0 var(--ui9d-radius) var(--ui9d-radius) 0;
    margin: 1rem 0;
}

/* === PROMO CTA === */
.ui9d-cta-section {
    text-align: center;
    padding: 2.5rem 1rem;
    background: linear-gradient(135deg, rgba(199,21,133,0.1), rgba(30,144,255,0.08));
    border-radius: var(--ui9d-radius-lg);
    margin: 1.5rem 0;
}

.ui9d-cta-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

/* === TESTIMONIAL === */
.ui9d-testimonial {
    background: var(--ui9d-bg-card);
    border-radius: var(--ui9d-radius-lg);
    padding: 1.2rem;
    margin-bottom: 1rem;
    border-left: 3px solid var(--ui9d-highlight);
}

.ui9d-testimonial-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ui9d-highlight);
}

.ui9d-testimonial-text {
    font-size: 1.2rem;
    color: var(--ui9d-text-dim);
    margin-top: 0.4rem;
    line-height: 1.6rem;
}

/* === WINNERS TABLE === */
.ui9d-winners-row {
    display: flex;
    justify-content: space-between;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--ui9d-border);
    font-size: 1.2rem;
}

.ui9d-winners-row:last-child {
    border-bottom: none;
}

.ui9d-winner-name {
    color: var(--ui9d-highlight);
    font-weight: 600;
}

.ui9d-winner-amount {
    color: var(--ui9d-gold);
    font-weight: 700;
}

/* === FEATURES GRID === */
.ui9d-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ui9d-feature-item {
    background: var(--ui9d-bg-card);
    border-radius: var(--ui9d-radius);
    padding: 1.2rem;
    text-align: center;
    border: 1px solid var(--ui9d-border);
    transition: var(--ui9d-transition);
}

.ui9d-feature-item:hover {
    border-color: var(--ui9d-primary);
}

.ui9d-feature-icon {
    font-size: 2.4rem;
    margin-bottom: 0.6rem;
    color: var(--ui9d-highlight);
}

.ui9d-feature-label {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--ui9d-text);
}

/* === FOOTER === */
.ui9d-footer {
    background: var(--ui9d-bg-alt);
    padding: 2rem 1.2rem 1rem;
    margin-top: 2rem;
    border-top: 2px solid var(--ui9d-primary-dark);
}

.ui9d-footer-brand {
    font-size: 1.3rem;
    color: var(--ui9d-text-dim);
    line-height: 1.8rem;
    margin-bottom: 1.5rem;
}

.ui9d-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.ui9d-footer-link {
    color: var(--ui9d-accent);
    text-decoration: none;
    font-size: 1.2rem;
    transition: var(--ui9d-transition);
}

.ui9d-footer-link:hover {
    color: var(--ui9d-highlight);
}

.ui9d-footer-promos {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
}

.ui9d-footer-promo-btn {
    background: linear-gradient(135deg, var(--ui9d-primary-dark), var(--ui9d-primary));
    color: var(--ui9d-text);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: var(--ui9d-radius);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--ui9d-transition);
}

.ui9d-footer-promo-btn:hover {
    transform: scale(1.05);
}

.ui9d-footer-copy {
    text-align: center;
    font-size: 1.1rem;
    color: var(--ui9d-text-dim);
    padding-top: 1rem;
    border-top: 1px solid var(--ui9d-border);
}

/* === BOTTOM NAV === */
.ui9d-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 430px;
    height: 60px;
    background: linear-gradient(180deg, #1f1f2a, #16161e);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    border-top: 1.5px solid var(--ui9d-primary-dark);
    box-shadow: 0 -4px 20px rgba(0,0,0,0.5);
}

.ui9d-bottom-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 56px;
    background: none;
    border: none;
    color: var(--ui9d-text-dim);
    cursor: pointer;
    transition: var(--ui9d-transition);
    padding: 0.3rem;
    position: relative;
}

.ui9d-bottom-nav-btn:hover,
.ui9d-nav-current {
    color: var(--ui9d-highlight);
}

.ui9d-nav-current::after {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background: var(--ui9d-primary);
    border-radius: 2px;
}

.ui9d-bottom-nav-btn .material-icons,
.ui9d-bottom-nav-btn ion-icon,
.ui9d-bottom-nav-btn i {
    font-size: 22px;
}

.ui9d-bottom-nav-btn ion-icon {
    font-size: 24px;
}

.ui9d-bottom-nav-label {
    font-size: 1rem;
    margin-top: 0.2rem;
    font-weight: 500;
}

@media (min-width: 769px) {
    .ui9d-bottom-nav {
        display: none;
    }
}

/* === RESPONSIVE HELPERS === */
.ui9d-flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.ui9d-mt-1 { margin-top: 0.8rem; }
.ui9d-mt-2 { margin-top: 1.6rem; }
.ui9d-mb-1 { margin-bottom: 0.8rem; }
.ui9d-mb-2 { margin-bottom: 1.6rem; }
.ui9d-text-center { text-align: center; }
.ui9d-text-sm { font-size: 1.2rem; }
.ui9d-text-base { font-size: 1.3rem; }
.ui9d-text-lg { font-size: 1.6rem; }

/* === FAQ STYLES === */
.ui9d-faq-item {
    margin-bottom: 1rem;
}

.ui9d-faq-q {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--ui9d-highlight);
    margin-bottom: 0.4rem;
}

.ui9d-faq-a {
    font-size: 1.3rem;
    color: var(--ui9d-text-dim);
    line-height: 1.8rem;
    padding-left: 1rem;
    border-left: 2px solid var(--ui9d-border);
}

/* === STEPS === */
.ui9d-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.2rem;
    align-items: flex-start;
}

.ui9d-step-num {
    background: var(--ui9d-primary);
    color: var(--ui9d-text);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.ui9d-step-content {
    font-size: 1.3rem;
    color: var(--ui9d-text-dim);
    line-height: 1.7rem;
}

/* === PAYMENT BADGES === */
.ui9d-payment-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.ui9d-payment-badge {
    background: var(--ui9d-bg-card);
    border: 1px solid var(--ui9d-border);
    border-radius: var(--ui9d-radius);
    padding: 0.5rem 1rem;
    font-size: 1.1rem;
    color: var(--ui9d-text-dim);
}

/* === ACHIEVEMENT BAR === */
.ui9d-achievement-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 0;
    border-bottom: 1px solid var(--ui9d-border);
}

.ui9d-achievement-label {
    font-size: 1.2rem;
    color: var(--ui9d-text-dim);
}

.ui9d-achievement-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--ui9d-gold);
}

/* === MOBILE APP CTA === */
.ui9d-app-cta {
    background: linear-gradient(135deg, rgba(30,144,255,0.12), rgba(72,209,204,0.08));
    border-radius: var(--ui9d-radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    border: 1px solid rgba(30,144,255,0.3);
}

.ui9d-app-cta-title {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 0.8rem;
}

/* === DESKTOP HIDDEN === */
@media (min-width: 769px) {
    body {
        max-width: 430px;
        box-shadow: 0 0 40px rgba(0,0,0,0.5);
    }
}