/**
 * 7plus Website Stylesheet
 * Mobile-first responsive design
 * Color palette: #FF5722 | #00CED1 | #FF91A4 | #1B263B | #FF8A80
 * @version 1.0.0
 */

/* CSS Variables */
:root {
    --v0b6-primary: #FF5722;
    --v0b6-secondary: #00CED1;
    --v0b6-accent: #FF91A4;
    --v0b6-dark: #1B263B;
    --v0b6-light-orange: #FF8A80;
    --v0b6-white: #ffffff;
    --v0b6-gray-100: #f8f9fa;
    --v0b6-gray-200: #e9ecef;
    --v0b6-gray-300: #dee2e6;
    --v0b6-gray-600: #6c757d;
    --v0b6-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --v0b6-shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
    --v0b6-radius: 8px;
    --v0b6-radius-lg: 16px;
    --v0b6-transition: all 0.3s ease;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--v0b6-gray-100);
    color: var(--v0b6-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

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

/* Header */
.v0b6-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--v0b6-dark) 0%, #2d3a4f 100%);
    padding: 12px 16px;
    transition: var(--v0b6-transition);
}

.v0b6-header-scrolled {
    background: rgba(27, 38, 59, 0.98);
    box-shadow: var(--v0b6-shadow-lg);
}

.v0b6-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 430px;
    margin: 0 auto;
}

.v0b6-logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.v0b6-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.v0b6-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--v0b6-primary);
    letter-spacing: -0.5px;
}

.v0b6-header-actions {
    display: flex;
    gap: 8px;
}

.v0b6-btn {
    padding: 8px 16px;
    border-radius: var(--v0b6-radius);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--v0b6-transition);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.v0b6-btn-login {
    background: transparent;
    border: 1.5px solid var(--v0b6-secondary);
    color: var(--v0b6-secondary);
}

.v0b6-btn-login:hover {
    background: var(--v0b6-secondary);
    color: var(--v0b6-dark);
}

.v0b6-btn-register {
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-light-orange) 100%);
    color: var(--v0b6-white);
}

.v0b6-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 87, 34, 0.4);
}

/* Main Content */
.v0b6-main {
    padding-top: 68px;
    max-width: 430px;
    margin: 0 auto;
    background: var(--v0b6-white);
    min-height: 100vh;
}

@media (max-width: 768px) {
    .v0b6-main {
        padding-bottom: 80px;
    }
}

/* Hero Section */
.v0b6-hero {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--v0b6-dark) 0%, #2d3a4f 100%);
    padding: 24px 16px;
    text-align: center;
}

.v0b6-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.2;
}

.v0b6-hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.v0b6-hero-content {
    position: relative;
    z-index: 1;
}

.v0b6-hero-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--v0b6-white);
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.v0b6-hero-title span {
    color: var(--v0b6-primary);
}

.v0b6-hero-subtitle {
    font-size: 1rem;
    color: var(--v0b6-gray-300);
    margin-bottom: 20px;
}

.v0b6-hero-btn {
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-light-orange) 100%);
    color: var(--v0b6-white);
    padding: 14px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--v0b6-transition);
    border: none;
}

.v0b6-hero-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 87, 34, 0.5);
}

/* Banner Slider */
.v0b6-banner {
    padding: 16px;
}

.v0b6-banner-slider {
    position: relative;
    border-radius: var(--v0b6-radius-lg);
    overflow: hidden;
    box-shadow: var(--v0b6-shadow-lg);
}

.v0b6-banner-slide {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.v0b6-banner-slide:hover {
    transform: scale(1.02);
}

/* Section Title */
.v0b6-section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px;
    border-bottom: 2px solid var(--v0b6-gray-200);
}

.v0b6-section-title i {
    color: var(--v0b6-primary);
    font-size: 1.25rem;
}

.v0b6-section-title h2 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--v0b6-dark);
}

.v0b6-section-title a {
    margin-left: auto;
    font-size: 0.875rem;
    color: var(--v0b6-secondary);
}

/* Category Tabs */
.v0b6-category-tabs {
    display: flex;
    overflow-x: auto;
    padding: 12px 16px;
    gap: 8px;
    background: var(--v0b6-gray-100);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.v0b6-category-tabs::-webkit-scrollbar {
    display: none;
}

.v0b6-cat-tab {
    flex-shrink: 0;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--v0b6-white);
    color: var(--v0b6-gray-600);
    cursor: pointer;
    transition: var(--v0b6-transition);
    border: 1.5px solid var(--v0b6-gray-300);
    white-space: nowrap;
}

.v0b6-cat-tab:hover {
    border-color: var(--v0b6-primary);
    color: var(--v0b6-primary);
}

.v0b6-tab-active {
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-light-orange) 100%);
    color: var(--v0b6-white);
    border-color: transparent;
}

/* Game Grid */
.v0b6-game-section {
    padding: 0 16px 24px;
}

.v0b6-game-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.v0b6-game-card {
    background: var(--v0b6-white);
    border-radius: var(--v0b6-radius);
    overflow: hidden;
    box-shadow: var(--v0b6-shadow);
    cursor: pointer;
    transition: var(--v0b6-transition);
}

.v0b6-game-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--v0b6-shadow-lg);
}

.v0b6-game-img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.v0b6-game-name {
    padding: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--v0b6-dark);
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.v0b6-game-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--v0b6-primary);
    color: var(--v0b6-white);
    font-size: 0.625rem;
    padding: 2px 6px;
    border-radius: 4px;
}

/* Features Section */
.v0b6-features {
    padding: 24px 16px;
    background: linear-gradient(135deg, var(--v0b6-dark) 0%, #2d3a4f 100%);
}

.v0b6-features h3 {
    color: var(--v0b6-white);
    font-size: 1.25rem;
    margin-bottom: 20px;
    text-align: center;
}

.v0b6-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.v0b6-feature-item {
    background: rgba(255, 255, 255, 0.1);
    padding: 20px 16px;
    border-radius: var(--v0b6-radius);
    text-align: center;
    transition: var(--v0b6-transition);
}

.v0b6-feature-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-2px);
}

.v0b6-feature-item i {
    font-size: 2rem;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.v0b6-feature-item h4 {
    color: var(--v0b6-white);
    font-size: 0.9rem;
    margin-bottom: 4px;
}

.v0b6-feature-item p {
    color: var(--v0b6-gray-300);
    font-size: 0.75rem;
}

/* Promo Section */
.v0b6-promo {
    padding: 24px 16px;
}

.v0b6-promo-card {
    background: linear-gradient(135deg, var(--v0b6-accent) 0%, #ff6b8a 100%);
    border-radius: var(--v0b6-radius-lg);
    padding: 24px;
    text-align: center;
    color: var(--v0b6-white);
}

.v0b6-promo-card h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.v0b6-promo-card p {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-bottom: 16px;
}

.v0b6-promo-btn {
    background: var(--v0b6-white);
    color: var(--v0b6-primary);
    padding: 12px 24px;
    border-radius: 30px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: var(--v0b6-transition);
    border: none;
}

.v0b6-promo-btn:hover {
    transform: scale(1.05);
}

/* Mobile Bottom Navigation */
.v0b6-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(180deg, #2d3a4f 0%, var(--v0b6-dark) 100%);
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 8px 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 769px) {
    .v0b6-bottom-nav {
        display: none;
    }
}

.v0b6-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 48px;
    padding: 4px 8px;
    cursor: pointer;
    transition: var(--v0b6-transition);
    border-radius: 12px;
}

.v0b6-nav-item:hover {
    background: rgba(255, 87, 34, 0.2);
}

.v0b6-nav-item i {
    font-size: 22px;
    color: var(--v0b6-gray-300);
    margin-bottom: 2px;
    transition: var(--v0b6-transition);
}

.v0b6-nav-item span {
    font-size: 10px;
    color: var(--v0b6-gray-300);
    font-weight: 500;
    transition: var(--v0b6-transition);
}

.v0b6-nav-item:hover i,
.v0b6-nav-item:hover span,
.v0b6-nav-item.v0b6-nav-active i,
.v0b6-nav-item.v0b6-nav-active span {
    color: var(--v0b6-primary);
}

/* Mobile Menu */
.v0b6-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    z-index: 9999;
    background: var(--v0b6-dark);
    transition: right 0.3s ease;
    overflow-y: auto;
}

.v0b6-menu-active {
    right: 0;
}

.v0b6-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9998;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: var(--v0b6-transition);
}

.v0b6-overlay-active {
    opacity: 1;
    visibility: visible;
}

.v0b6-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.v0b6-menu-header h3 {
    color: var(--v0b6-white);
    font-size: 1.125rem;
}

.v0b6-menu-close {
    background: none;
    border: none;
    color: var(--v0b6-white);
    font-size: 1.5rem;
    cursor: pointer;
}

.v0b6-menu-links {
    padding: 16px 0;
}

.v0b6-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--v0b6-gray-300);
    font-size: 0.9375rem;
    transition: var(--v0b6-transition);
}

.v0b6-menu-link:hover {
    background: rgba(255, 87, 34, 0.1);
    color: var(--v0b6-primary);
}

.v0b6-menu-link i {
    width: 24px;
    font-size: 1.125rem;
}

/* Footer */
.v0b6-footer {
    background: var(--v0b6-dark);
    padding: 32px 16px 16px;
    color: var(--v0b6-gray-300);
}

.v0b6-footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.v0b6-footer-logo img {
    width: 40px;
    height: 40px;
    border-radius: 8px;
}

.v0b6-footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--v0b6-primary);
}

.v0b6-footer-desc {
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.v0b6-footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 24px;
}

.v0b6-footer-link {
    font-size: 0.875rem;
    color: var(--v0b6-gray-300);
    transition: var(--v0b6-transition);
}

.v0b6-footer-link:hover {
    color: var(--v0b6-primary);
}

.v0b6-footer-partners {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.v0b6-footer-partners h4 {
    color: var(--v0b6-white);
    font-size: 0.875rem;
    margin-bottom: 12px;
}

.v0b6-partner-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.v0b6-partner-logo {
    width: 48px;
    height: 48px;
    background: var(--v0b6-white);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.625rem;
    font-weight: 600;
    color: var(--v0b6-dark);
}

.v0b6-footer-copyright {
    text-align: center;
    font-size: 0.75rem;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* Scroll to Top */
.v0b6-scroll-top {
    position: fixed;
    bottom: 80px;
    right: 16px;
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-light-orange) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--v0b6-transition);
    z-index: 999;
    box-shadow: var(--v0b6-shadow-lg);
}

@media (min-width: 769px) {
    .v0b6-scroll-top {
        bottom: 24px;
    }
}

.v0b6-scroll-top.v0b6-visible {
    opacity: 1;
    visibility: visible;
}

.v0b6-scroll-top i {
    color: var(--v0b6-white);
    font-size: 1.25rem;
}

/* Toast */
.v0b6-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--v0b6-dark);
    color: var(--v0b6-white);
    padding: 12px 24px;
    border-radius: 30px;
    font-size: 0.875rem;
    opacity: 0;
    transition: var(--v0b6-transition);
    z-index: 10000;
}

.v0b6-toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Animations */
.v0b6-animate {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.v0b6-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Help Pages */
.v0b6-help-hero {
    background: linear-gradient(135deg, var(--v0b6-dark) 0%, #2d3a4f 100%);
    padding: 80px 16px 40px;
    text-align: center;
}

.v0b6-help-hero h1 {
    color: var(--v0b6-white);
    font-size: 1.75rem;
    margin-bottom: 8px;
}

.v0b6-help-hero p {
    color: var(--v0b6-gray-300);
    font-size: 0.9375rem;
}

.v0b6-help-content {
    padding: 24px 16px;
}

.v0b6-help-section {
    margin-bottom: 32px;
}

.v0b6-help-section h2 {
    font-size: 1.125rem;
    color: var(--v0b6-dark);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.v0b6-help-section h2 i {
    color: var(--v0b6-primary);
}

.v0b6-help-section p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--v0b6-gray-600);
    margin-bottom: 12px;
}

.v0b6-help-list {
    list-style: none;
    padding: 0;
}

.v0b6-help-list li {
    padding: 12px 0;
    border-bottom: 1px solid var(--v0b6-gray-200);
    font-size: 0.9375rem;
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.v0b6-help-list li i {
    color: var(--v0b6-secondary);
    margin-top: 4px;
}

.v0b6-cta-box {
    background: linear-gradient(135deg, var(--v0b6-primary) 0%, var(--v0b6-light-orange) 100%);
    border-radius: var(--v0b6-radius-lg);
    padding: 24px;
    text-align: center;
    margin: 24px 0;
}

.v0b6-cta-box h3 {
    color: var(--v0b6-white);
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.v0b6-cta-box p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    margin-bottom: 16px;
}

.v0b6-cta-box .v0b6-btn {
    background: var(--v0b6-white);
    color: var(--v0b6-primary);
}

/* FAQ Accordion */
.v0b6-faq-item {
    border-bottom: 1px solid var(--v0b6-gray-200);
}

.v0b6-faq-question {
    width: 100%;
    padding: 16px 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--v0b6-dark);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.v0b6-faq-question i {
    color: var(--v0b6-primary);
    transition: var(--v0b6-transition);
}

.v0b6-faq-answer {
    padding: 0 0 16px;
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--v0b6-gray-600);
}