/**
 * 88bet Website CSS Stylesheet
 * All classes use prefix "ui0c-" for namespace isolation
 * Mobile-first responsive design with max-width 430px
 * @version 1.0.0
 */

/* ==================== CSS Variables ==================== */
:root {
    --ui0c-bg-dark: #2D2D2D;
    --ui0c-bg-primary: #3C3C3C;
    --ui0c-text-light: #E0FFFF;
    --ui0c-text-secondary: #C0C0C0;
    --ui0c-text-muted: #D3D3D3;
    --ui0c-accent: #FFD700;
    --ui0c-accent-hover: #FFA500;
    --ui0c-success: #4CAF50;
    --ui0c-danger: #F44336;
    --ui0c-border: rgba(255, 255, 255, 0.1);
    --ui0c-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --ui0c-radius: 8px;
    --ui0c-radius-lg: 12px;
    --ui0c-transition: all 0.3s ease;
    --ui0c-header-height: 60px;
    --ui0c-bottom-nav-height: 60px;
}

/* ==================== Reset & Base ==================== */
* {
    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, Oxygen, Ubuntu, sans-serif;
    background-color: var(--ui0c-bg-dark);
    color: var(--ui0c-text-light);
    line-height: 1.5rem;
    font-size: 1.4rem;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--ui0c-accent);
    text-decoration: none;
    transition: var(--ui0c-transition);
}

a:hover {
    color: var(--ui0c-accent-hover);
}

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

/* ==================== Layout Container ==================== */
.ui0c-wrapper {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.2rem;
}

.ui0c-container {
    padding-top: var(--ui0c-header-height);
    padding-bottom: calc(var(--ui0c-bottom-nav-height) + 2rem);
}

/* ==================== Header Navigation ==================== */
.ui0c-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--ui0c-header-height);
    background: linear-gradient(180deg, var(--ui0c-bg-primary) 0%, var(--ui0c-bg-dark) 100%);
    box-shadow: var(--ui0c-shadow);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
}

.ui0c-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.ui0c-logo img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
}

.ui0c-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui0c-accent);
    letter-spacing: 0.5px;
}

.ui0c-header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.ui0c-btn {
    padding: 0.8rem 1.2rem;
    border-radius: var(--ui0c-radius);
    font-size: 1.2rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--ui0c-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    min-height: 36px;
}

.ui0c-btn-primary {
    background: var(--ui0c-accent);
    color: var(--ui0c-bg-dark);
}

.ui0c-btn-primary:hover {
    background: var(--ui0c-accent-hover);
    transform: scale(1.02);
}

.ui0c-btn-outline {
    background: transparent;
    border: 2px solid var(--ui0c-accent);
    color: var(--ui0c-accent);
}

.ui0c-btn-outline:hover {
    background: var(--ui0c-accent);
    color: var(--ui0c-bg-dark);
}

.ui0c-menu-toggle {
    background: transparent;
    border: none;
    color: var(--ui0c-text-light);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==================== Mobile Menu ==================== */
.ui0c-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--ui0c-bg-primary);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: 2rem 1.5rem;
    overflow-y: auto;
}

.ui0c-menu-active {
    right: 0;
}

.ui0c-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: var(--ui0c-transition);
}

.ui0c-overlay-active {
    opacity: 1;
    visibility: visible;
}

.ui0c-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--ui0c-border);
}

.ui0c-menu-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui0c-accent);
}

.ui0c-menu-close {
    background: transparent;
    border: none;
    color: var(--ui0c-text-light);
    font-size: 2.4rem;
    cursor: pointer;
}

.ui0c-menu-nav {
    list-style: none;
}

.ui0c-menu-item {
    margin-bottom: 0.8rem;
}

.ui0c-menu-link {
    display: block;
    padding: 1rem;
    color: var(--ui0c-text-light);
    border-radius: var(--ui0c-radius);
    transition: var(--ui0c-transition);
    font-size: 1.4rem;
}

.ui0c-menu-link:hover {
    background: rgba(255, 215, 0, 0.1);
    color: var(--ui0c-accent);
}

/* ==================== Hero Slider ==================== */
.ui0c-hero {
    position: relative;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.ui0c-slider {
    position: relative;
    width: 100%;
}

.ui0c-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.ui0c-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    position: relative;
}

.ui0c-slide-active {
    opacity: 1;
}

.ui0c-slide img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--ui0c-radius);
    cursor: pointer;
}

.ui0c-slide-dots {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 0.8rem;
}

.ui0c-slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--ui0c-text-secondary);
    cursor: pointer;
    transition: var(--ui0c-transition);
}

.ui0c-dot-active {
    background: var(--ui0c-accent);
    transform: scale(1.2);
}

/* ==================== Section Styles ==================== */
.ui0c-section {
    margin-bottom: 2rem;
    padding: 1.5rem 1rem;
    background: var(--ui0c-bg-primary);
    border-radius: var(--ui0c-radius-lg);
}

.ui0c-section-title {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--ui0c-accent);
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.ui0c-section-title i {
    font-size: 2rem;
}

.ui0c-section-desc {
    color: var(--ui0c-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* ==================== Game Grid ==================== */
.ui0c-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
}

.ui0c-game-card {
    background: var(--ui0c-bg-dark);
    border-radius: var(--ui0c-radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--ui0c-transition);
    text-align: center;
}

.ui0c-game-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(255, 215, 0, 0.2);
}

.ui0c-game-card img {
    width: 100%;
    height: 70px;
    object-fit: cover;
}

.ui0c-game-name {
    font-size: 1rem;
    color: var(--ui0c-text-light);
    padding: 0.5rem 0.3rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ==================== Category Tabs ==================== */
.ui0c-category-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.ui0c-category-badge {
    background: var(--ui0c-accent);
    color: var(--ui0c-bg-dark);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 1rem;
    font-weight: 600;
}

/* ==================== Features Grid ==================== */
.ui0c-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.ui0c-feature-item {
    background: var(--ui0c-bg-dark);
    padding: 1.2rem;
    border-radius: var(--ui0c-radius);
    text-align: center;
    transition: var(--ui0c-transition);
}

.ui0c-feature-item:hover {
    background: rgba(255, 215, 0, 0.1);
}

.ui0c-feature-icon {
    font-size: 2.4rem;
    color: var(--ui0c-accent);
    margin-bottom: 0.8rem;
}

.ui0c-feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ui0c-text-light);
    margin-bottom: 0.4rem;
}

.ui0c-feature-desc {
    font-size: 1.1rem;
    color: var(--ui0c-text-secondary);
}

/* ==================== Testimonials ==================== */
.ui0c-testimonials {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.ui0c-testimonial {
    background: var(--ui0c-bg-dark);
    padding: 1.2rem;
    border-radius: var(--ui0c-radius);
    border-left: 3px solid var(--ui0c-accent);
}

.ui0c-testimonial-text {
    color: var(--ui0c-text-light);
    font-style: italic;
    margin-bottom: 0.8rem;
    line-height: 1.5;
}

.ui0c-testimonial-author {
    color: var(--ui0c-text-muted);
    font-size: 1.2rem;
}

/* ==================== Payment Methods ==================== */
.ui0c-payment-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    justify-content: center;
}

.ui0c-payment-item {
    background: var(--ui0c-bg-dark);
    padding: 0.8rem 1.2rem;
    border-radius: var(--ui0c-radius);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    color: var(--ui0c-text-light);
}

/* ==================== Footer ==================== */
.ui0c-footer {
    background: var(--ui0c-bg-primary);
    padding: 2rem 1rem;
    text-align: center;
    margin-top: 2rem;
}

.ui0c-footer-desc {
    color: var(--ui0c-text-secondary);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.ui0c-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.ui0c-footer-link {
    background: var(--ui0c-bg-dark);
    padding: 0.6rem 1rem;
    border-radius: var(--ui0c-radius);
    color: var(--ui0c-text-light);
    font-size: 1.1rem;
    transition: var(--ui0c-transition);
}

.ui0c-footer-link:hover {
    background: var(--ui0c-accent);
    color: var(--ui0c-bg-dark);
}

.ui0c-footer-copyright {
    color: var(--ui0c-text-muted);
    font-size: 1.1rem;
    margin-top: 1rem;
}

/* ==================== Bottom Navigation ==================== */
.ui0c-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--ui0c-bottom-nav-height);
    background: linear-gradient(180deg, var(--ui0c-bg-dark) 0%, #1a1a1a 100%);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
    border-top: 1px solid var(--ui0c-border);
}

.ui0c-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    cursor: pointer;
    transition: var(--ui0c-transition);
    color: var(--ui0c-text-secondary);
    text-decoration: none;
}

.ui0c-nav-item:hover,
.ui0c-nav-item.active {
    color: var(--ui0c-accent);
}

.ui0c-nav-item:active {
    transform: scale(0.9);
}

.ui0c-nav-icon {
    font-size: 2.2rem;
    margin-bottom: 0.2rem;
}

.ui0c-nav-text {
    font-size: 1rem;
    font-weight: 500;
}

.ui0c-nav-item.active .ui0c-nav-icon {
    animation: ui0c-pulse 1s infinite;
}

@keyframes ui0c-pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* ==================== Utility Classes ==================== */
.ui0c-text-center { text-align: center; }
.ui0c-text-left { text-align: left; }
.ui0c-text-right { text-align: right; }
.ui0c-mb-1 { margin-bottom: 1rem; }
.ui0c-mb-2 { margin-bottom: 2rem; }
.ui0c-mt-1 { margin-top: 1rem; }
.ui0c-mt-2 { margin-top: 2rem; }

.ui0c-highlight {
    color: var(--ui0c-accent);
    font-weight: 600;
}

.ui0c-cta-box {
    background: linear-gradient(135deg, var(--ui0c-bg-primary) 0%, #4a4a4a 100%);
    padding: 1.5rem;
    border-radius: var(--ui0c-radius-lg);
    text-align: center;
    margin: 1.5rem 0;
    border: 1px solid var(--ui0c-accent);
}

.ui0c-cta-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--ui0c-accent);
    margin-bottom: 0.8rem;
}

.ui0c-cta-desc {
    color: var(--ui0c-text-secondary);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

/* ==================== Responsive - Desktop ==================== */
@media (min-width: 769px) {
    .ui0c-bottom-nav {
        display: none;
    }

    .ui0c-wrapper {
        max-width: 768px;
    }

    .ui0c-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .ui0c-features {
        grid-template-columns: repeat(4, 1fr);
    }

    .ui0c-container {
        padding-bottom: 2rem;
    }
}

/* ==================== Mobile Specific ==================== */
@media (max-width: 768px) {
    body {
        padding-bottom: calc(var(--ui0c-bottom-nav-height) + 1rem);
    }

    .ui0c-slide img {
        height: 180px;
    }

    .ui0c-game-card img {
        height: 60px;
    }

    .ui0c-game-name {
        font-size: 0.9rem;
    }
}

/* ==================== Accessibility ==================== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}