/* OKBet Login Website - Stylesheet */
/* Class prefix: vd4a- */
/* Root font size: 62.5% for rem calculations */

/* CSS Variables for color scheme */
:root {
    --vd4a-primary: #1E90FF;
    --vd4a-primary-dark: #1873CC;
    --vd4a-secondary: #000080;
    --vd4a-secondary-dark: #000066;
    --vd4a-bg-dark: #0F0F23;
    --vd4a-bg-light: #1a1a3a;
    --vd4a-text-primary: #D3D3D3;
    --vd4a-text-secondary: #B8B8B8;
    --vd4a-accent: #8B4513;
    --vd4a-accent-light: #A0522D;
    --vd4a-accent-dark: #6B3410;
    --vd4a-success: #32CD32;
    --vd4a-warning: #FFD700;
    --vd4a-error: #FF6B6B;
    --vd4a-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
    --vd4a-border-radius: 0.5rem;
    --vd4a-transition: all 0.3s ease;
}

/* Base styles */
* {
    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, Cantarell, sans-serif;
    line-height: 1.5;
    color: var(--vd4a-text-primary);
    background-color: var(--vd4a-bg-dark);
    min-height: 100vh;
    position: relative;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--vd4a-text-primary);
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.75rem;
    line-height: 1.4;
}

p {
    margin-bottom: 1rem;
    color: var(--vd4a-text-secondary);
    font-size: 1.1rem;
}

a {
    color: var(--vd4a-primary);
    text-decoration: none;
    transition: var(--vd4a-transition);
}

a:hover {
    color: var(--vd4a-accent);
    text-decoration: underline;
}

/* Container and Layout */
.vd4a-container {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1rem;
}

.vd4a-wrapper {
    padding: 0 1rem;
}

.vd4a-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

/* Header Styles */
.vd4a-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--vd4a-secondary) 0%, var(--vd4a-secondary-dark) 100%);
    backdrop-filter: blur(10px);
    box-shadow: var(--vd4a-shadow);
    transition: var(--vd4a-transition);
}

.vd4a-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
}

.vd4a-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.vd4a-logo-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.vd4a-logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--vd4a-text-primary);
}

.vd4a-header-buttons {
    display: flex;
    gap: 0.5rem;
}

.vd4a-btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: var(--vd4a-border-radius);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--vd4a-transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.vd4a-btn-primary {
    background: var(--vd4a-primary);
    color: var(--vd4a-bg-dark);
}

.vd4a-btn-primary:hover {
    background: var(--vd4a-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 144, 255, 0.3);
}

.vd4a-btn-secondary {
    background: transparent;
    color: var(--vd4a-text-primary);
    border: 2px solid var(--vd4a-text-primary);
}

.vd4a-btn-secondary:hover {
    background: var(--vd4a-text-primary);
    color: var(--vd4a-secondary-dark);
    transform: translateY(-2px);
}

/* Mobile Menu */
.vd4a-mobile-menu {
    position: fixed;
    top: 60px;
    right: -300px;
    width: 280px;
    height: calc(100vh - 60px);
    background: rgba(15, 15, 35, 0.95);
    backdrop-filter: blur(20px);
    transition: right 0.3s ease;
    z-index: 9999;
    overflow-y: auto;
    border-left: 1px solid rgba(255, 255, 255, 0.1);
}

.vd4a-menu-open {
    right: 0;
}

.vd4a-menu-header {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.vd4a-menu-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--vd4a-text-primary);
}

.vd4a-menu-close {
    background: none;
    border: none;
    color: var(--vd4a-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--vd4a-transition);
}

.vd4a-menu-close:hover {
    color: var(--vd4a-primary);
}

.vd4a-nav-list {
    list-style: none;
    padding: 1rem 0;
}

.vd4a-nav-item {
    margin-bottom: 0.3rem;
}

.vd4a-nav-link {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--vd4a-text-secondary);
    text-decoration: none;
    transition: var(--vd4a-transition);
    font-size: 1rem;
}

.vd4a-nav-link:hover,
.vd4a-nav-link.vd4a-active {
    color: var(--vd4a-primary);
    background: rgba(30, 144, 255, 0.1);
}

/* Menu Button */
.vd4a-menu-button {
    background: none;
    border: none;
    color: var(--vd4a-text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--vd4a-transition);
}

.vd4a-menu-button:hover {
    color: var(--vd4a-primary);
}

/* Main Content */
main {
    padding-top: 80px;
    padding-bottom: 140px;
}

/* Bottom Navigation */
.vd4a-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--vd4a-secondary) 0%, var(--vd4a-secondary-dark) 100%);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.5rem 0;
}

.vd4a-nav-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    max-width: 430px;
    margin: 0 auto;
}

.vd4a-nav-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    min-width: 60px;
    min-height: 60px;
    padding: 0.5rem;
    color: var(--vd4a-text-secondary);
    text-decoration: none;
    transition: var(--vd4a-transition);
    border-radius: var(--vd4a-border-radius);
    cursor: pointer;
}

.vd4a-nav-button:hover {
    color: var(--vd4a-primary);
    background: rgba(30, 144, 255, 0.1);
    transform: scale(1.05);
}

.vd4a-nav-button.active {
    color: var(--vd4a-primary);
    background: rgba(30, 144, 255, 0.2);
}

.vd4a-nav-icon {
    font-size: 24px;
    margin-bottom: 0.2rem;
}

.vd4a-nav-text {
    font-size: 0.8rem;
    text-align: center;
}

/* Card Styles */
.vd4a-card {
    background: rgba(26, 26, 58, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--vd4a-border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--vd4a-transition);
}

.vd4a-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--vd4a-shadow);
    border-color: var(--vd4a-primary);
}

.vd4a-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--vd4a-primary);
}

/* Game Grid */
.vd4a-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.vd4a-game-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--vd4a-transition);
    padding: 0.5rem;
    border-radius: var(--vd4a-border-radius);
}

.vd4a-game-item:hover {
    transform: scale(1.05);
    background: rgba(30, 144, 255, 0.1);
}

.vd4a-game-image {
    width: 60px;
    height: 60px;
    object-fit: contain;
    border-radius: 0.3rem;
    background: rgba(255, 255, 255, 0.1);
}

.vd4a-game-name {
    font-size: 0.8rem;
    text-align: center;
    color: var(--vd4a-text-secondary);
    line-height: 1.2;
    word-break: break-word;
}

/* Carousel */
.vd4a-carousel {
    position: relative;
    margin-bottom: 2rem;
    border-radius: var(--vd4a-border-radius);
    overflow: hidden;
}

.vd4a-carousel-container {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.vd4a-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.vd4a-slide.active {
    opacity: 1;
}

.vd4a-slide-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
}

.vd4a-carousel-dots {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 0;
}

.vd4a-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--vd4a-text-secondary);
    cursor: pointer;
    transition: var(--vd4a-transition);
}

.vd4a-dot.active {
    background: var(--vd4a-primary);
    width: 24px;
    border-radius: 4px;
}

/* Features Section */
.vd4a-features {
    display: grid;
    gap: 1.5rem;
}

.vd4a-feature-card {
    background: rgba(26, 26, 58, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--vd4a-border-radius);
    padding: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--vd4a-transition);
}

.vd4a-feature-icon {
    font-size: 2.5rem;
    color: var(--vd4a-primary);
    margin-bottom: 1rem;
}

.vd4a-feature-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--vd4a-text-primary);
}

.vd4a-feature-description {
    color: var(--vd4a-text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

/* Footer */
.vd4a-footer {
    background: linear-gradient(135deg, var(--vd4a-secondary) 0%, var(--vd4a-secondary-dark) 100%);
    color: var(--vd4a-text-secondary);
    padding: 2rem 0;
    margin-top: 4rem;
}

.vd4a-footer-content {
    max-width: 430px;
    margin: 0 auto;
    padding: 0 1rem;
}

.vd4a-footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.vd4a-footer-link {
    color: var(--vd4a-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--vd4a-transition);
}

.vd4a-footer-link:hover {
    color: var(--vd4a-primary);
    text-decoration: underline;
}

.vd4a-partners {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.vd4a-partner {
    width: 40px;
    height: 40px;
    object-fit: contain;
    opacity: 0.8;
    transition: var(--vd4a-transition);
}

.vd4a-partner:hover {
    opacity: 1;
    transform: scale(1.1);
}

.vd4a-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
}

/* Utility Classes */
.vd4a-text-center {
    text-align: center;
}

.vd4a-text-primary {
    color: var(--vd4a-text-primary);
}

.vd4a-text-secondary {
    color: var(--vd4a-text-secondary);
}

.vd4a-accent-text {
    color: var(--vd4a-accent);
}

.vd4a-bg-primary {
    background-color: var(--vd4a-primary);
}

.vd4a-bg-dark {
    background-color: var(--vd4a-bg-dark);
}

.vd4a-mt-1 {
    margin-top: 1rem;
}

.vd4a-mt-2 {
    margin-top: 2rem;
}

.vd4a-mb-2 {
    margin-bottom: 2rem;
}

.vd4a-p-2 {
    padding: 2rem;
}

/* Responsive Design */
@media (min-width: 769px) {
    .vd4a-bottom-nav {
        display: none;
    }

    main {
        padding-bottom: 2rem;
    }

    .vd4a-container {
        max-width: 768px;
    }

    .vd4a-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Mobile-specific styles */
@media (max-width: 768px) {
    .vd4a-header-content {
        padding: 0.5rem 1rem;
    }

    .vd4a-logo-text {
        font-size: 1rem;
    }

    .vd4a-btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .vd4a-nav-icon {
        font-size: 20px;
    }

    .vd4a-nav-text {
        font-size: 0.7rem;
    }

    main {
        padding-bottom: 80px;
    }
}

/* Loading Animation */
.vd4a-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--vd4a-primary);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Fade In Animation */
.vd4a-fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

/* Pulse Animation */
.vd4a-pulse {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Icon styles for different libraries */
/* Font Awesome */
.vd4a-icon-fas::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
}

.vd4a-icon-far::before {
    font-family: 'Font Awesome 6 Free';
    font-weight: 400;
}

.vd4a-icon-fad::before {
    font-family: 'Font Awesome 6 Duotone';
    font-weight: 900;
}

/* Material Icons */
.vd4a-icon-material::before {
    font-family: 'Material Symbols Outlined';
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-block;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
}

/* Ionicons */
.vd4a-icon-ion::before {
    font-family: 'Ionicons';
    font-weight: normal;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
}