/* ========================================
   NV Casino - Dark Theme Stylesheet
   ========================================
   
   This stylesheet implements a dark theme with full responsiveness,
   accessibility features, and mobile optimization.
   
   Components:
   - Header & Navigation
   - Banner with CTA overlay
   - Popular Slots Grid
   - About Section
   - Table (mobile responsive)
   - Footer
   - Dark Theme Color Palette
   ======================================== */

/* ========================================
   CSS Variables - Dark Theme Color Palette
   ======================================== */
:root {
    /* Primary Colors */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #0f3460;
    --color-highlight: #e94560;
    
    /* Background Colors */
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --bg-card: #1e1e2e;
    
    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --text-muted: #888888;
    
    /* Border Colors */
    --border-color: #2d2d3e;
    --border-hover: #3d3d4e;
    
    /* Button Colors */
    --btn-primary-bg: #e94560;
    --btn-primary-hover: #d6334e;
    --btn-secondary-bg: #16213e;
    --btn-secondary-hover: #1f2f4f;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.4);
}

/* ========================================
   Reset & Base Styles
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Mobile viewport adjustment */
@media screen and (max-width: 768px) {
    html {
        -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    }
    
    body {
        overflow-x: hidden;
    }
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-2xl);
}

h2 {
    font-size: var(--font-size-xl);
}

h3 {
    font-size: var(--font-size-lg);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--btn-primary-hover);
}

/* ========================================
   Container & Layout
   ======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   Header Component
   ======================================== */
.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xs) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

/* Logo Styles */
.logo-wrapper {
    flex-shrink: 0;
}

.logo-link {
    display: inline-block;
}

.logo {
    height: 40px;
    width: auto;
    display: block;
}

/* Navigation Styles - Removed */
.main-nav {
    display: none;
}

/* Header Actions (Login/Register Buttons) */
.header-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.header-actions .btn {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.9rem;
}

/* Mobile Menu Toggle - Removed */
.mobile-menu-toggle {
    display: none;
}

/* ========================================
   Breadcrumbs Component
   ======================================== */
.breadcrumbs {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-sm) 0;
}

.breadcrumbs-list {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: flex;
    list-style: none;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.breadcrumb-item {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.breadcrumb-item a {
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

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

.breadcrumb-item:not(:last-child)::after {
    content: "/";
    margin-left: var(--spacing-sm);
    color: var(--text-muted);
}

.breadcrumb-item[aria-current="page"] {
    color: var(--text-primary);
}

/* ========================================
   Banner Section with CTA Overlay
   ======================================== */
.banner-section {
    position: relative;
    width: 100%;
    min-height: 400px;
    overflow: hidden;
    margin-bottom: var(--spacing-xl);
}

.banner-picture {
    display: block;
    width: 100%;
    height: 100%;
}

.banner-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    min-height: 400px;
}

/* Call to Action Overlay */
.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 10;
}

.cta-content {
    background-color: rgba(26, 26, 46, 0.85);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    max-width: 600px;
    margin: var(--spacing-md);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

.cta-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.cta-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

/* ========================================
   Button Styles
   ======================================== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: var(--font-size-base);
}

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

.btn-primary:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--btn-secondary-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: var(--btn-secondary-hover);
    border-color: var(--border-hover);
}

.btn-cta {
    background-color: var(--btn-primary-bg);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

.btn-cta:hover {
    background-color: var(--btn-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
}

/* Slots Grid - 6 columns on desktop, responsive on mobile */
.slots-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.slot-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid var(--border-color);
}

.slot-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-highlight);
}

.slot-link {
    display: block;
    width: 100%;
    height: 100%;
}

.slot-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: var(--radius-md);
}

/* ========================================
   About Section
   ======================================== */
.about-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.content-wrapper {
    margin-bottom: var(--spacing-xl);
}

.main-article {
    max-width: 800px;
    margin: 0 auto;
}

.article-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.subsection-title {
    font-size: var(--font-size-lg);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.login-steps {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-md);
}

.login-steps li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ========================================
   Table Component (Mobile Responsive)
   ======================================== */
.table-wrapper {
    margin-top: var(--spacing-xl);
    overflow-x: auto;
    border-radius: var(--radius-md);
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
}

.info-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table-caption {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    text-align: left;
    color: var(--text-primary);
    padding: var(--spacing-md);
}

.info-table thead {
    background-color: var(--bg-tertiary);
}

.info-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.info-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

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

.table-label {
    font-weight: 600;
    color: var(--text-primary);
    width: 30%;
}

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

/* Mobile Table Adaptation */
@media screen and (max-width: 768px) {
    .info-table {
        display: block;
        width: 100%;
    }
    
    .info-table thead {
        display: none;
    }
    
    .info-table tbody,
    .info-table tr,
    .info-table td {
        display: block;
        width: 100%;
    }
    
    .info-table tr {
        margin-bottom: var(--spacing-md);
        background-color: var(--bg-card);
        border-radius: var(--radius-md);
        padding: var(--spacing-md);
        border: 1px solid var(--border-color);
    }
    
    .info-table td {
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--border-color);
        text-align: left;
    }
    
    .info-table td:last-child {
        border-bottom: none;
    }
    
    .info-table td::before {
        content: attr(data-label);
        font-weight: 700;
        display: block;
        margin-bottom: var(--spacing-xs);
        color: var(--text-primary);
    }
    
    .table-label {
        width: 100%;
    }
    
    .table-value {
        width: 100%;
    }
}

/* ========================================
   Footer Component
   ======================================== */
.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-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-link {
    color: var(--text-secondary);
    transition: color 0.3s ease;
    padding: var(--spacing-xs) 0;
}

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

/* Payment Methods */
.payment-methods {
    margin-bottom: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.payment-icons {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: center;
}

.payment-icon {
    height: 30px;
    width: auto;
    object-fit: contain;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.payment-icon:hover {
    opacity: 1;
}

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

.copyright {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.license-info {
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

/* ========================================
   Responsive Design - Mobile First
   ======================================== */

/* Mobile Styles (up to 768px) */
@media screen and (max-width: 768px) {
    :root {
        --font-size-2xl: 24px;
        --font-size-xl: 20px;
        --font-size-lg: 16px;
    }
    
    /* Header Mobile */
    .header-container {
        padding: var(--spacing-xs) var(--spacing-sm);
        gap: var(--spacing-sm);
    }
    
    .logo {
        height: 35px;
    }
    
    .header-actions {
        gap: var(--spacing-xs);
    }
    
    .header-actions .btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.85rem;
    }
    
    /* Banner Mobile */
    .banner-image {
        min-height: 300px;
    }
    
    .cta-content {
        padding: var(--spacing-md);
        margin: var(--spacing-sm);
    }
    
    .cta-title {
        font-size: var(--font-size-xl);
    }
    
    .cta-text {
        font-size: var(--font-size-base);
    }
    
    /* Slots Grid Mobile - 2 columns */
    .slots-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    /* Container Mobile */
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    /* Footer Mobile */
    .footer-nav {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
}

/* Tablet Styles (769px to 1024px) */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    /* Slots Grid Tablet - 4 columns */
    .slots-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Desktop Styles (1025px and above) */
@media screen and (min-width: 1025px) {
    /* Slots Grid Desktop - 6 columns */
    .slots-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ========================================
   Accessibility Enhancements
   ======================================== */

/* Focus Styles for Keyboard Navigation */
a:focus,
button:focus,
input:focus {
    outline: 2px solid var(--color-highlight);
    outline-offset: 2px;
}

/* Skip to Main Content Link - Removed */

/* Screen Reader Only Text */
.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;
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .header,
    .footer,
    .banner-section,
    .popular-slots {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
}