/**
 * Farplay Website Stylesheet
 * Class prefix: uib4-
 * Color palette: #0F0F23 | #F0F0F0 | #FFF176 | #FF6347
 * Mobile-first design (max-width: 430px)
 * Version: 1.0.0
 */

/* CSS Variables */
:root {
    --uib4-bg-dark: #0F0F23;
    --uib4-text-light: #F0F0F0;
    --uib4-accent-yellow: #FFF176;
    --uib4-accent-red: #FF6347;
    --uib4-bg-card: #1a1a3e;
    --uib4-bg-hover: #252550;
    --uib4-border: #2a2a5a;
    --uib4-shadow: rgba(0, 0, 0, 0.3);
    --uib4-header-height: 60px;
    --uib4-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(--uib4-bg-dark);
    color: var(--uib4-text-light);
    line-height: 1.5rem;
    font-size: 1.4rem;
    min-height: 100vh;
}

a {
    color: var(--uib4-accent-yellow);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--uib4-accent-red);
}

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

/* Container */
.uib4-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.uib4-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--uib4-header-height);
    background: linear-gradient(180deg, var(--uib4-bg-dark) 0%, rgba(15, 15, 35, 0.95) 100%);
    border-bottom: 1px solid var(--uib4-border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    backdrop-filter: blur(10px);
}

.uib4-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.uib4-logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.uib4-logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--uib4-accent-yellow);
    letter-spacing: 1px;
}

.uib4-header-actions {
    display: flex;
    gap: 0.8rem;
    align-items: center;
}

.uib4-btn {
    padding: 0.8rem 1.6rem;
    border-radius: 8px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.uib4-btn-login {
    background: transparent;
    border: 2px solid var(--uib4-accent-yellow);
    color: var(--uib4-accent-yellow);
}

.uib4-btn-login:hover {
    background: var(--uib4-accent-yellow);
    color: var(--uib4-bg-dark);
}

.uib4-btn-register {
    background: linear-gradient(135deg, var(--uib4-accent-red) 0%, #ff8c69 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(255, 99, 71, 0.3);
}

.uib4-btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 99, 71, 0.4);
}

.uib4-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.uib4-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--uib4-text-light);
    transition: all 0.3s ease;
}

/* Mobile Menu */
.uib4-mobile-menu {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background: var(--uib4-bg-card);
    z-index: 9999;
    transition: right 0.3s ease;
    padding: 2rem;
    overflow-y: auto;
}

.uib4-menu-active {
    right: 0;
}

.uib4-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.uib4-overlay-active {
    opacity: 1;
    visibility: visible;
}

.uib4-no-scroll {
    overflow: hidden;
}

.uib4-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--uib4-border);
}

.uib4-menu-close {
    background: none;
    border: none;
    color: var(--uib4-text-light);
    font-size: 2.4rem;
    cursor: pointer;
}

.uib4-menu-nav {
    list-style: none;
}

.uib4-menu-nav li {
    margin-bottom: 1rem;
}

.uib4-menu-nav a {
    display: block;
    padding: 1rem;
    color: var(--uib4-text-light);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.uib4-menu-nav a:hover {
    background: var(--uib4-bg-hover);
    color: var(--uib4-accent-yellow);
}

/* Main Content */
.uib4-main {
    padding-top: var(--uib4-header-height);
    padding-bottom: calc(var(--uib4-bottom-nav-height) + 2rem);
}

/* Hero Section */
.uib4-hero {
    padding: 2rem 0;
    text-align: center;
}

.uib4-hero h1 {
    font-size: 2.4rem;
    margin-bottom: 1rem;
    color: var(--uib4-accent-yellow);
    line-height: 1.3;
}

.uib4-hero p {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
    color: var(--uib4-text-light);
    opacity: 0.9;
}

/* Carousel */
.uib4-carousel {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    margin-bottom: 2rem;
}

.uib4-slides {
    display: flex;
    transition: transform 0.5s ease;
}

.uib4-slide {
    min-width: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    cursor: pointer;
}

.uib4-slide-active {
    opacity: 1;
}

.uib4-slide img {
    width: 100%;
    border-radius: 12px;
}

.uib4-indicators {
    position: absolute;
    bottom: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.5rem;
}

.uib4-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.uib4-indicator-active {
    background: var(--uib4-accent-yellow);
    width: 24px;
    border-radius: 4px;
}

/* Section Titles */
.uib4-section-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--uib4-accent-yellow);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.uib4-section-title i {
    font-size: 2.2rem;
}

/* Game Categories */
.uib4-categories {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.uib4-category-tag {
    padding: 0.6rem 1.2rem;
    background: var(--uib4-bg-card);
    border-radius: 20px;
    font-size: 1.2rem;
    color: var(--uib4-text-light);
    border: 1px solid var(--uib4-border);
    cursor: pointer;
    transition: all 0.3s ease;
}

.uib4-category-tag:hover,
.uib4-category-tag.uib4-active {
    background: var(--uib4-accent-yellow);
    color: var(--uib4-bg-dark);
    border-color: var(--uib4-accent-yellow);
}

/* Game Grid */
.uib4-game-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.uib4-game-card {
    background: var(--uib4-bg-card);
    border-radius: 10px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 1px solid var(--uib4-border);
}

.uib4-game-card:hover {
    transform: translateY(-4px);
    border-color: var(--uib4-accent-yellow);
    box-shadow: 0 8px 20px var(--uib4-shadow);
}

.uib4-game-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.uib4-game-card .uib4-game-name {
    padding: 0.6rem;
    font-size: 1.1rem;
    text-align: center;
    color: var(--uib4-text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Feature Cards */
.uib4-feature-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.uib4-feature-card {
    background: var(--uib4-bg-card);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid var(--uib4-border);
    transition: all 0.3s ease;
}

.uib4-feature-card:hover {
    border-color: var(--uib4-accent-yellow);
}

.uib4-feature-card i {
    font-size: 2.8rem;
    color: var(--uib4-accent-yellow);
    margin-bottom: 1rem;
}

.uib4-feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--uib4-text-light);
}

.uib4-feature-card p {
    font-size: 1.2rem;
    opacity: 0.8;
}

/* FAQ Accordion */
.uib4-faq-section {
    margin-bottom: 2rem;
}

.uib4-accordion-item {
    background: var(--uib4-bg-card);
    border-radius: 10px;
    margin-bottom: 0.8rem;
    overflow: hidden;
    border: 1px solid var(--uib4-border);
}

.uib4-accordion-header {
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--uib4-text-light);
    transition: all 0.3s ease;
}

.uib4-accordion-header:hover {
    background: var(--uib4-bg-hover);
}

.uib4-accordion-header i {
    transition: transform 0.3s ease;
}

.uib4-accordion-active i {
    transform: rotate(180deg);
}

.uib4-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.uib4-accordion-content-active {
    max-height: 500px;
}

.uib4-accordion-content p {
    padding: 0 1.5rem 1.2rem;
    font-size: 1.3rem;
    line-height: 1.6;
}

/* CTA Section */
.uib4-cta-section {
    background: linear-gradient(135deg, var(--uib4-bg-card) 0%, var(--uib4-bg-hover) 100%);
    padding: 2rem;
    border-radius: 16px;
    text-align: center;
    margin-bottom: 2rem;
    border: 1px solid var(--uib4-border);
}

.uib4-cta-section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--uib4-accent-yellow);
}

.uib4-cta-section p {
    margin-bottom: 1.5rem;
    font-size: 1.3rem;
}

.uib4-cta-section .uib4-btn {
    font-size: 1.5rem;
    padding: 1rem 3rem;
}

/* Promo Links */
.uib4-promo-link {
    display: inline-block;
    color: var(--uib4-accent-yellow);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.uib4-promo-link:hover {
    color: var(--uib4-accent-red);
    text-decoration: underline;
}

/* Footer */
.uib4-footer {
    background: var(--uib4-bg-card);
    padding: 2rem 1.5rem;
    border-top: 1px solid var(--uib4-border);
}

.uib4-footer-brand {
    text-align: center;
    margin-bottom: 1.5rem;
}

.uib4-footer-brand p {
    font-size: 1.2rem;
    opacity: 0.8;
    line-height: 1.6;
}

.uib4-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.uib4-footer-links a {
    font-size: 1.2rem;
    padding: 0.5rem 1rem;
    background: var(--uib4-bg-hover);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.uib4-footer-links a:hover {
    background: var(--uib4-accent-yellow);
    color: var(--uib4-bg-dark);
}

.uib4-footer-copyright {
    text-align: center;
    font-size: 1.1rem;
    opacity: 0.7;
}

/* Bottom Navigation */
.uib4-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--uib4-bottom-nav-height);
    background: linear-gradient(180deg, var(--uib4-bg-card) 0%, var(--uib4-bg-dark) 100%);
    border-top: 1px solid var(--uib4-border);
    display: flex;
    justify-content: space-around;
    align-items: center;
    z-index: 1000;
    padding-bottom: env(safe-area-inset-bottom);
}

.uib4-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 60px;
    min-height: 60px;
    background: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    color: var(--uib4-text-light);
    opacity: 0.7;
}

.uib4-nav-btn:hover,
.uib4-nav-btn.uib4-active {
    opacity: 1;
    color: var(--uib4-accent-yellow);
}

.uib4-nav-btn i {
    font-size: 2.2rem;
    margin-bottom: 0.2rem;
}

.uib4-nav-btn span {
    font-size: 1rem;
}

/* Back to Top Button */
.uib4-back-to-top {
    position: fixed;
    bottom: 80px;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    background: var(--uib4-accent-yellow);
    color: var(--uib4-bg-dark);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.uib4-back-to-top.uib4-visible {
    opacity: 1;
    visibility: visible;
}

.uib4-back-to-top:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 15px rgba(255, 241, 118, 0.4);
}

/* Toast Notification */
.uib4-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--uib4-accent-yellow);
    color: var(--uib4-bg-dark);
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.3rem;
    font-weight: 600;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 10000;
}

.uib4-toast-show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* Responsive - Desktop */
@media (min-width: 769px) {
    .uib4-bottom-nav {
        display: none;
    }

    .uib4-main {
        padding-bottom: 2rem;
    }

    .uib4-container {
        max-width: 768px;
    }

    .uib4-game-grid {
        grid-template-columns: repeat(6, 1fr);
    }

    .uib4-feature-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Animation Classes */
.uib4-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.uib4-pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}