/* ============================================
   YEP CASINO - DARK THEME STYLESHEET
   Responsive design with mobile and desktop support
   ============================================ */

/* CSS Variables: Dark theme color palette - easy to modify colors globally */
:root {
    /* Primary Colors: Main brand colors */
    --color-primary: #00d4ff;
    --color-primary-dark: #00a8cc;
    --color-primary-light: #33ddff;
    
    /* Background Colors: Dark theme base colors */
    --bg-primary: #0a0a0a;
    --bg-secondary: #121212;
    --bg-tertiary: #1a1a1a;
    --bg-card: #1e1e1e;
    --bg-overlay: rgba(0, 0, 0, 0.75);
    
    /* Text Colors: High contrast for readability */
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #808080;
    
    /* Border Colors: Subtle borders for separation */
    --border-color: #2a2a2a;
    --border-light: #3a3a3a;
    
    /* Spacing: Consistent spacing system */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Border Radius: Rounded corners */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Transitions: Smooth animations */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    
    /* Container Max Width: Responsive container sizing */
    --container-max-width: 1200px;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */

/* Global Reset: Remove default browser styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* HTML & Body: Base typography and background */
html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    /* Lock screen orientation on mobile - prevents unwanted rotation */
    -webkit-overflow-scrolling: touch;
}

/* ============================================
   CONTAINER COMPONENT
   ============================================ */

/* Container: Centered container with max-width */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    width: 100%;
}

/* ============================================
   HEADER COMPONENT
   ============================================ */

/* Header: Top navigation bar */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

/* Navigation: Flex layout for header content */
.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

/* Logo Container: Brand logo styling */
.logo-container {
    display: flex;
    align-items: center;
}

.logo {
    height: 35px;
    width: auto;
    display: block;
}

/* Nav Actions: Header button group */
.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

/* ============================================
   BUTTON COMPONENTS
   ============================================ */

/* Button Base: Shared button styles */
.btn {
    display: inline-block;
    padding: calc(var(--spacing-sm) * 0.75) calc(var(--spacing-md) * 0.85);
    border: none;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* Primary Button: Main CTA button style */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--bg-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

/* Secondary Button: Alternative button style */
.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-light);
}

.btn-secondary:hover,
.btn-secondary:focus {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

/* CTA Button: Call-to-action button for banners */
.btn-cta {
    background-color: var(--color-primary);
    color: var(--bg-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

.btn-cta:hover,
.btn-cta:focus {
    background-color: var(--color-primary-dark);
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

/* Large Button: Extra large button variant */
.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.2rem;
}

/* ============================================
   BREADCRUMBS COMPONENT
   ============================================ */

/* Breadcrumbs: Navigation breadcrumb trail */
.breadcrumbs {
    background-color: var(--bg-secondary);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
}

/* Breadcrumb List: Ordered list styling */
.breadcrumb-list {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
}

.breadcrumb-list li:not(:last-child)::after {
    content: '/';
    margin-left: var(--spacing-xs);
    color: var(--text-muted);
}

.breadcrumb-list a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.breadcrumb-list a:hover {
    color: var(--color-primary);
}

.breadcrumb-list span[aria-current="page"] {
    color: var(--text-primary);
    font-weight: 500;
}

/* ============================================
   BANNER COMPONENT
   ============================================ */

/* Banner Section: Hero banner with image and CTA overlay - maintains original image size */
.banner-section {
    position: relative;
    width: 100%;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

/* Banner Image: Responsive banner image - maintains original size */
.banner-image {
    width: 100%;
    height: auto;
    display: block;
}

/* CTA Overlay: Centered call-to-action without dimming banner */
.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
}

/* CTA Content: Centered content block on banner */
.cta-content {
    background-color: rgba(0, 0, 0, 0.7);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 600px;
    backdrop-filter: blur(10px);
}

/* CTA Title: Main heading in banner CTA */
.cta-title {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* CTA Text: Description text in banner */
.cta-text {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

/* ============================================
   SLOTS SECTION COMPONENT
   ============================================ */

/* Slots Section: Popular slots display area */
.slots-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

/* Section Title: Heading for each section */
.section-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    color: var(--text-primary);
}

/* Slots Grid: Grid layout for slot images (6 per row on desktop) */
.slots-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

/* Slot Item: Individual slot game container */
.slot-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-card);
    transition: transform var(--transition-normal);
}

.slot-item a {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.slot-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(0, 212, 255, 0.2);
}

/* Slot Image: Slot game preview image */
.slot-image {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}

/* ============================================
   CONTENT SECTION COMPONENT
   ============================================ */

/* Content Section: Main article content area */
.content-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

/* Content Article: Article wrapper */
.content-article {
    max-width: 900px;
    margin: 0 auto;
}

/* Article Title: Main article heading */
.article-title {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
    line-height: 1.3;
}

/* Subsection Title: Subheading within article */
.subsection-title {
    font-size: 1.5rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

/* Content Paragraph: Text paragraphs */
.content-paragraph {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 1rem;
}

/* CTA Button Container: Container for call-to-action buttons */
.cta-button-container {
    text-align: center;
    margin: var(--spacing-xl) 0;
}

/* ============================================
   TABLE COMPONENT (Responsive)
   ============================================ */

/* Table Wrapper: Container for responsive table */
.table-wrapper {
    margin: var(--spacing-lg) 0;
    overflow-x: auto;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

/* Info Table: Casino information table */
.info-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    font-size: 0.95rem;
}

/* Table Caption: Table description */
.table-caption {
    caption-side: top;
    padding: var(--spacing-md);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    text-align: left;
}

/* Table Header: Table header row styling */
.info-table thead {
    background-color: var(--bg-tertiary);
}

.info-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    border-bottom: 2px solid var(--border-color);
}

/* Table Body: Table data rows */
.info-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-fast);
}

.info-table tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.info-table td {
    padding: var(--spacing-md);
    color: var(--text-secondary);
}

/* ============================================
   FOOTER COMPONENT
   ============================================ */

/* Footer: Site footer section */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-xl);
}

/* Footer Content: Footer sections layout */
.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Footer Section: Individual footer column */
.footer-section {
    display: flex;
    flex-direction: column;
}

/* Footer Title: Footer section headings */
.footer-title {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

/* Footer Text: Footer description text */
.footer-text {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Footer Links: Footer navigation links */
.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* Payment Icons: Payment method icons container */
.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Payment Icon: Individual payment method icon */
.payment-icon {
    height: 24px;
    width: auto;
    max-width: 60px;
    object-fit: contain;
    filter: grayscale(0.3);
    transition: filter var(--transition-fast);
}

.payment-icon:hover {
    filter: grayscale(0);
}

/* Footer Bottom: Copyright and legal info */
.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ============================================
   RESPONSIVE DESIGN - MOBILE & TABLET
   ============================================ */

/* Mobile Devices: Styles for screens up to 768px */
@media (max-width: 768px) {
    /* Base Font Size: Slightly smaller for mobile */
    html {
        font-size: 14px;
    }
    
    /* Container: Reduced padding on mobile */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Header: Keep logo on left, buttons on right in mobile */
    .nav {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
    
    .nav-actions {
        width: auto;
        justify-content: flex-end;
        gap: calc(var(--spacing-sm) * 0.5);
    }
    
    .nav-actions .btn {
        flex: none;
        text-align: center;
        padding: calc(var(--spacing-xs) * 0.75) calc(var(--spacing-sm) * 0.75);
        font-size: 0.75rem;
    }
    
    /* Logo: Smaller logo on mobile */
    .logo {
        height: 32px;
    }
    
    /* Banner: Keep original size on mobile - no size restrictions */
    .banner-section {
        /* No height restriction - uses natural image dimensions */
    }
    
    /* CTA Overlay: Adjusted padding for mobile */
    .cta-overlay {
        padding: var(--spacing-sm);
    }
    
    .cta-content {
        padding: var(--spacing-md);
    }
    
    /* CTA Title: Smaller heading on mobile */
    .cta-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }
    
    /* CTA Text: Smaller text on mobile */
    .cta-text {
        font-size: 1rem;
        margin-bottom: var(--spacing-md);
    }
    
    /* Slots Grid: 2 columns on mobile (6 per row = 3 rows) */
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    /* Section Title: Smaller section headings */
    .section-title {
        font-size: 1.5rem;
    }
    
    /* Article Title: Smaller article heading */
    .article-title {
        font-size: 1.5rem;
    }
    
    /* Subsection Title: Smaller subsection heading */
    .subsection-title {
        font-size: 1.2rem;
    }
    
    /* Table Mobile Adaptation: Convert table to card layout */
    .table-wrapper {
        overflow-x: visible;
        border: none;
    }
    
    .info-table,
    .info-table thead,
    .info-table tbody,
    .info-table th,
    .info-table td,
    .info-table tr {
        display: block;
        width: 100%;
    }
    
    /* Hide table header on mobile */
    .info-table thead {
        display: none;
    }
    
    /* Style table rows as cards on mobile */
    .info-table tbody tr {
        display: block;
        margin-bottom: var(--spacing-md);
        background-color: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        padding: var(--spacing-md);
    }
    
    .info-table tbody tr:last-child {
        margin-bottom: 0;
    }
    
    /* Table cells as card rows with labels */
    .info-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) 0;
        border: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .info-table td:last-child {
        border-bottom: none;
    }
    
    /* Use data-label attribute as pseudo-element label */
    .info-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--color-primary);
        margin-right: var(--spacing-sm);
        flex-shrink: 0;
    }
    
    /* Table Caption: Adjusted for mobile */
    .table-caption {
        padding: var(--spacing-md) 0;
        margin-bottom: var(--spacing-sm);
    }
    
    /* Footer: Stacked layout on mobile */
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

/* Tablet Devices: Styles for screens between 769px and 1024px */
@media (min-width: 769px) and (max-width: 1024px) {
    /* Slots Grid: 4 columns on tablet */
    .slots-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Banner: Keep original size on tablet - no size restrictions */
    .banner-section {
        /* No height restriction - uses natural image dimensions */
    }
}

/* Desktop Large: Styles for screens above 1024px */
@media (min-width: 1025px) {
    /* Additional desktop-only enhancements can go here */
    .slots-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */

/* Focus States: Visible focus indicators for keyboard navigation */
*:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Skip Link: Skip to main content link (hidden until focused) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--color-primary);
    color: var(--bg-primary);
    padding: var(--spacing-sm);
    text-decoration: none;
    z-index: 10000;
}

.skip-link:focus {
    top: 0;
}

/* High Contrast Mode: Support for high contrast preferences */
@media (prefers-contrast: high) {
    :root {
        --border-color: #555555;
        --text-secondary: #cccccc;
    }
}

/* Reduced Motion: Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Screen Reader Only: Hide visually but keep for screen readers */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Text Alignment Utilities */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}