/**
 * SlotVIP PH CSS Framework
 * Mobile-first responsive design for gaming platform
 */

/* Reset and 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;
    font-size: 1.6rem;
    line-height: 1.5;
    color: #333;
    background-color: #f5f5f5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* CSS Custom Properties */
:root {
    /* Color palette */
    --sb5d-primary: #ADD8E6;
    --sb5d-secondary: #006400;
    --sb5d-accent: #FF7F50;
    --sb5d-dark: #2E4057;
    --sb5d-light: #f5f5f5;
    --sb5d-white: #ffffff;
    --sb5d-gray: #666666;
    --sb5d-gray-light: #cccccc;
    --sb5d-text: #333333;
    --sb5d-text-light: #666666;

    /* Spacing */
    --sb5d-spacing-xs: 0.5rem;
    --sb5d-spacing-sm: 1rem;
    --sb5d-spacing-md: 1.5rem;
    --sb5d-spacing-lg: 2rem;
    --sb5d-spacing-xl: 3rem;

    /* Border radius */
    --sb5d-radius-sm: 0.5rem;
    --sb5d-radius-md: 1rem;
    --sb5d-radius-lg: 1.5rem;

    /* Shadows */
    --sb5d-shadow-sm: 0 0.2rem 0.4rem rgba(0,0,0,0.1);
    --sb5d-shadow-md: 0 0.4rem 0.8rem rgba(0,0,0,0.15);
    --sb5d-shadow-lg: 0 0.8rem 1.6rem rgba(0,0,0,0.2);

    /* Transitions */
    --sb5d-transition-fast: 0.2s ease;
    --sb5d-transition-normal: 0.3s ease;
    --sb5d-transition-slow: 0.5s ease;
}

/* Utility classes */
.sb5d-container {
    max-width: 43rem;
    margin: 0 auto;
    padding: 0 var(--sb5d-spacing-sm);
}

.sb5d-wrapper {
    min-height: 100vh;
    padding-bottom: 8rem;
}

.sb5d-grid {
    display: grid;
    gap: var(--sb5d-spacing-sm);
}

.sb5d-flex {
    display: flex;
    align-items: center;
}

.sb5d-flex-between {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sb5d-text-center {
    text-align: center;
}

.sb5d-mb-sm { margin-bottom: var(--sb5d-spacing-sm); }
.sb5d-mb-md { margin-bottom: var(--sb5d-spacing-md); }
.sb5d-mb-lg { margin-bottom: var(--sb5d-spacing-lg); }
.sb5d-mb-xl { margin-bottom: var(--sb5d-spacing-xl); }

/* Header */
.sb5d-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: linear-gradient(135deg, var(--sb5d-dark) 0%, var(--sb5d-secondary) 100%);
    box-shadow: var(--sb5d-shadow-md);
    transition: var(--sb5d-transition-normal);
}

.sb5d-header.scrolled {
    background: rgba(46, 64, 87, 0.95);
    backdrop-filter: blur(10px);
}

.sb5d-header-inner {
    padding: var(--sb5d-spacing-sm);
}

.sb5d-header-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sb5d-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--sb5d-white);
    font-weight: bold;
    font-size: 2rem;
}

.sb5d-logo img {
    width: 3rem;
    height: 3rem;
    margin-right: var(--sb5d-spacing-xs);
}

.sb5d-header-actions {
    display: flex;
    gap: var(--sb5d-spacing-sm);
    align-items: center;
}

.sb5d-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--sb5d-spacing-xs) var(--sb5d-spacing-md);
    border: none;
    border-radius: var(--sb5d-radius-md);
    font-size: 1.4rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--sb5d-transition-fast);
    white-space: nowrap;
    min-height: 4.4rem;
}

.sb5d-btn-primary {
    background: var(--sb5d-accent);
    color: var(--sb5d-white);
}

.sb5d-btn-primary:hover {
    background: #ff6347;
    transform: translateY(-0.2rem);
    box-shadow: var(--sb5d-shadow-md);
}

.sb5d-btn-secondary {
    background: var(--sb5d-primary);
    color: var(--sb5d-dark);
}

.sb5d-btn-secondary:hover {
    background: #87ceeb;
    transform: translateY(-0.2rem);
    box-shadow: var(--sb5d-shadow-md);
}

.sb5d-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--sb5d-white);
    font-size: 2.4rem;
    cursor: pointer;
    padding: var(--sb5d-spacing-xs);
}

/* Navigation */
.sb5d-nav {
    margin-top: var(--sb5d-spacing-sm);
}

.sb5d-nav-menu {
    display: flex;
    gap: var(--sb5d-spacing-md);
    list-style: none;
    flex-wrap: wrap;
}

.sb5d-nav-link {
    color: var(--sb5d-white);
    text-decoration: none;
    font-size: 1.4rem;
    padding: var(--sb5d-spacing-xs) var(--sb5d-spacing-sm);
    border-radius: var(--sb5d-radius-sm);
    transition: var(--sb5d-transition-fast);
    white-space: nowrap;
}

.sb5d-nav-link:hover,
.sb5d-nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--sb5d-primary);
}

.sb5d-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.sb5d-menu-overlay.active {
    display: block;
}

/* Main content */
.sb5d-main {
    padding-top: 12rem;
    min-height: 100vh;
}

/* Carousel */
.sb5d-carousel {
    position: relative;
    margin-bottom: var(--sb5d-spacing-xl);
    border-radius: var(--sb5d-radius-lg);
    overflow: hidden;
    box-shadow: var(--sb5d-shadow-lg);
}

.sb5d-carousel-inner {
    position: relative;
    height: 20rem;
}

.sb5d-carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity var(--sb5d-transition-normal);
    cursor: pointer;
}

.sb5d-carousel-slide.active {
    opacity: 1;
}

.sb5d-carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sb5d-carousel-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 var(--sb5d-spacing-md);
    pointer-events: none;
}

.sb5d-carousel-prev,
.sb5d-carousel-next {
    background: rgba(0, 0, 0, 0.5);
    color: var(--sb5d-white);
    border: none;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: all;
    transition: var(--sb5d-transition-fast);
}

.sb5d-carousel-prev:hover,
.sb5d-carousel-next:hover {
    background: rgba(0, 0, 0, 0.8);
}

.sb5d-carousel-dots {
    position: absolute;
    bottom: var(--sb5d-spacing-sm);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--sb5d-spacing-xs);
}

.sb5d-carousel-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--sb5d-transition-fast);
}

.sb5d-carousel-dot.active {
    background: var(--sb5d-accent);
    transform: scale(1.2);
}

/* Game grid */
.sb5d-game-section {
    margin-bottom: var(--sb5d-spacing-xl);
}

.sb5d-section-title {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: var(--sb5d-spacing-md);
    color: var(--sb5d-dark);
}

.sb5d-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(8rem, 1fr));
    gap: var(--sb5d-spacing-sm);
}

.sb5d-game-card {
    background: var(--sb5d-white);
    border-radius: var(--sb5d-radius-md);
    overflow: hidden;
    box-shadow: var(--sb5d-shadow-sm);
    transition: var(--sb5d-transition-fast);
    cursor: pointer;
}

.sb5d-game-card:hover {
    transform: translateY(-0.3rem);
    box-shadow: var(--sb5d-shadow-md);
}

.sb5d-game-card img {
    width: 100%;
    height: 8rem;
    object-fit: cover;
}

.sb5d-game-name {
    padding: var(--sb5d-spacing-xs);
    font-size: 1.2rem;
    text-align: center;
    color: var(--sb5d-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Content sections */
.sb5d-content-section {
    background: var(--sb5d-white);
    border-radius: var(--sb5d-radius-lg);
    padding: var(--sb5d-spacing-lg);
    margin-bottom: var(--sb5d-spacing-lg);
    box-shadow: var(--sb5d-shadow-sm);
}

.sb5d-content-title {
    font-size: 2.4rem;
    font-weight: bold;
    margin-bottom: var(--sb5d-spacing-md);
    color: var(--sb5d-dark);
}

.sb5d-content-text {
    color: var(--sb5d-text-light);
    line-height: 1.6;
    margin-bottom: var(--sb5d-spacing-md);
}

.sb5d-content-text:last-child {
    margin-bottom: 0;
}

/* Bottom navigation */
.sb5d-bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--sb5d-dark);
    box-shadow: 0 -0.2rem 0.4rem rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
}

.sb5d-bottom-nav-inner {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 6rem;
    padding: var(--sb5d-spacing-xs) 0;
}

.sb5d-bottom-nav-item {
    flex: 1;
    text-align: center;
}

.sb5d-bottom-nav-item a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--sb5d-gray-light);
    text-decoration: none;
    font-size: 1rem;
    transition: var(--sb5d-transition-fast);
    min-height: 5rem;
    padding: var(--sb5d-spacing-xs);
}

.sb5d-bottom-nav-item i {
    font-size: 2.4rem;
    margin-bottom: 0.2rem;
    transition: var(--sb5d-transition-fast);
}

.sb5d-bottom-nav-item.active a,
.sb5d-bottom-nav-item a:hover {
    color: var(--sb5d-primary);
}

.sb5d-bottom-nav-item.active i {
    transform: scale(1.1);
}

/* Footer */
.sb5d-footer {
    background: var(--sb5d-dark);
    color: var(--sb5d-white);
    padding: var(--sb5d-spacing-xl) 0 var(--sb5d-spacing-lg);
    margin-top: var(--sb5d-spacing-xl);
}

.sb5d-footer-content {
    margin-bottom: var(--sb5d-spacing-lg);
}

.sb5d-footer-title {
    font-size: 1.8rem;
    font-weight: bold;
    margin-bottom: var(--sb5d-spacing-md);
    color: var(--sb5d-primary);
}

.sb5d-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sb5d-spacing-md);
    margin-bottom: var(--sb5d-spacing-lg);
}

.sb5d-footer-link {
    color: var(--sb5d-white);
    text-decoration: none;
    font-size: 1.4rem;
    transition: var(--sb5d-transition-fast);
}

.sb5d-footer-link:hover {
    color: var(--sb5d-primary);
}

.sb5d-partners {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sb5d-spacing-md);
    justify-content: center;
    margin-bottom: var(--sb5d-spacing-lg);
}

.sb5d-partner {
    width: 4rem;
    height: 4rem;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--sb5d-transition-fast);
}

.sb5d-partner:hover {
    filter: grayscale(0%);
    opacity: 1;
}

.sb5d-footer-bottom {
    text-align: center;
    padding-top: var(--sb5d-spacing-lg);
    border-top: 0.1rem solid rgba(255, 255, 255, 0.1);
    font-size: 1.2rem;
    color: var(--sb5d-gray-light);
}

/* Responsive design */
@media (max-width: 768px) {
    .sb5d-menu-toggle {
        display: block;
    }

    .sb5d-nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 30rem;
        height: 100vh;
        background: var(--sb5d-dark);
        flex-direction: column;
        padding: var(--sb5d-spacing-xl) var(--sb5d-spacing-lg);
        transition: right var(--sb5d-transition-normal);
        z-index: 10000;
        overflow-y: auto;
    }

    .sb5d-nav-menu.active {
        right: 0;
    }

    .sb5d-bottom-nav {
        display: block;
    }

    .sb5d-wrapper {
        padding-bottom: 8rem;
    }

    .sb5d-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(7rem, 1fr));
    }

    .sb5d-carousel-inner {
        height: 16rem;
    }

    .sb5d-section-title {
        font-size: 1.8rem;
    }

    .sb5d-content-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .sb5d-container {
        padding: 0 var(--sb5d-spacing-xs);
    }

    .sb5d-header-inner {
        padding: var(--sb5d-spacing-xs);
    }

    .sb5d-btn {
        font-size: 1.2rem;
        padding: var(--sb5d-spacing-xs) var(--sb5d-spacing-sm);
    }

    .sb5d-game-grid {
        grid-template-columns: repeat(auto-fill, minmax(6rem, 1fr));
        gap: var(--sb5d-spacing-xs);
    }

    .sb5d-game-card img {
        height: 6rem;
    }

    .sb5d-game-name {
        font-size: 1rem;
        padding: var(--sb5d-spacing-xs);
    }

    .sb5d-carousel-inner {
        height: 14rem;
    }

    .sb5d-bottom-nav-inner {
        height: 5.6rem;
    }

    .sb5d-bottom-nav-item a {
        font-size: 0.9rem;
        min-height: 5rem;
    }

    .sb5d-bottom-nav-item i {
        font-size: 2rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(2rem);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.sb5d-fade-in {
    animation: fadeIn 0.6s ease-out;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus styles for keyboard navigation */
.sb5d-btn:focus,
.sb5d-nav-link:focus,
.sb5d-game-card:focus {
    outline: 0.2rem solid var(--sb5d-primary);
    outline-offset: 0.2rem;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --sb5d-primary: #00ffff;
        --sb5d-secondary: #00ff00;
        --sb5d-accent: #ff0000;
        --sb5d-dark: #000000;
        --sb5d-light: #ffffff;
    }
}