/* ================================================================================================
    RIOICHI THEME - Modern Dark Gaming Store
    Created for: RioichiStore Gaming TopUp Website
================================================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    /* Primary Colors - Luxury Gold Theme */
    --primary-cyan: #FFD700;
    --primary-cyan-dark: #B8860B;
    --primary-cyan-light: #FFC857;
    --gold-shine: #FFED4E;
    --gold-dark: #9B7E00;
    
    /* Dark Theme Colors */
    --bg-primary: #0A0E1A;
    --bg-secondary: #0F1419;
    --bg-card: #1A1F2E;
    --bg-card-hover: #252B3D;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #A0AEC0;
    --text-muted: #718096;
    
    /* Border & Lines */
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(255, 215, 0, 0.3);
    
    /* Status Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;
    
    /* Luxury Gold Gradients */
    --gradient-primary: linear-gradient(135deg, #FFD700 0%, #FFC857 50%, #FFD700 100%);
    --gradient-gold-dark: linear-gradient(135deg, #1A1F2E 0%, #2D2416 50%, #1A1F2E 100%);
    --gradient-gold-button: linear-gradient(135deg, #FFD700 0%, #FFED4E 50%, #FFC857 100%);
    --gradient-dark: linear-gradient(180deg, #0F1419 0%, #0A0E1A 100%);
    --gradient-card: linear-gradient(135deg, rgba(26, 31, 46, 0.8) 0%, rgba(15, 20, 25, 0.9) 100%);
    --gradient-gold-shine: linear-gradient(135deg, #9B7E00 0%, #FFD700 25%, #FFED4E 50%, #FFD700 75%, #B8860B 100%);
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.16);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.24);
    --shadow-cyan: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.4);
    --shadow-gold-lg: 0 8px 32px rgba(255, 215, 0, 0.3);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: var(--primary-cyan);
    color: var(--bg-primary);
}

/* ================================================================================================
    TYPOGRAPHY
================================================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

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

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

/* ================================================================================================
    CONTAINER & LAYOUT
================================================================================================ */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ================================================================================================
    HEADER & NAVBAR
================================================================================================ */

.navbar-rioichi {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar-rioichi.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: var(--shadow-md);
}

.navbar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: -0.5px;
}

.navbar-logo img {
    height: 40px;
    width: auto;
}

.navbar-logo span {
    background: linear-gradient(135deg, #FFD700 0%, #FFED4E 50%, #FFC857 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.navbar-search {
    flex: 1;
    max-width: 500px;
}

.navbar-search input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition-base);
}

.navbar-search input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    background: rgba(26, 31, 46, 0.8);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.navbar-search input::placeholder {
    color: var(--text-muted);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-link {
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition-base);
    border-radius: var(--radius-md);
}

.navbar-link:hover {
    color: var(--primary-cyan);
    background: rgba(255, 215, 0, 0.08);
}

.navbar-link.active {
    color: var(--primary-cyan);
    background: rgba(255, 215, 0, 0.12);
}

/* ================================================================================================
    HERO BANNER
================================================================================================ */

.hero-banner {
    margin-top: 80px;
    padding: var(--spacing-2xl) 0;
    position: relative;
    overflow: hidden;
}

.hero-slider {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-slide {
    position: relative;
    height: 400px;
    background-size: cover;
    background-position: center;
    border-radius: var(--radius-xl);
}

.hero-slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 26, 0.8) 100%);
    z-index: 1;
}

.hero-content {
    position: absolute;
    bottom: var(--spacing-xl);
    left: var(--spacing-xl);
    right: var(--spacing-xl);
    z-index: 2;
    color: var(--text-primary);
}

/* ================================================================================================
    CARDS & PRODUCTS
================================================================================================ */

.card-rioichi {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.card-rioichi:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-accent);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-rioichi::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-base);
}

.card-rioichi:hover::before {
    transform: scaleX(1);
}

/* Game Card */
.game-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition-base);
    aspect-ratio: 3/4;
}

.game-card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.game-card:hover .game-card-image {
    transform: scale(1.05);
}

.game-card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: linear-gradient(180deg, transparent 0%, rgba(10, 14, 26, 0.95) 100%);
    transition: var(--transition-base);
}

.game-card:hover .game-card-overlay {
    background: linear-gradient(180deg, transparent 0%, rgba(255, 215, 0, 0.3) 100%);
}

.game-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.game-card-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.game-card-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    padding: var(--spacing-xs) var(--spacing-md);
    background: linear-gradient(135deg, #FFD700 0%, #FFED4E 100%);
    color: var(--bg-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
    text-transform: uppercase;
    box-shadow: 0 2px 10px rgba(255, 215, 0, 0.4);
}

/* ================================================================================================
    BUTTONS
================================================================================================ */

.btn-rioichi {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, #FFD700 0%, #FFED4E 50%, #FFC857 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #FFED4E 0%, #FFD700 50%, #FFC857 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 215, 0, 0.5);
}

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

.btn-secondary:hover {
    background: var(--bg-card-hover);
    border-color: var(--primary-cyan);
    color: var(--primary-cyan);
}

.btn-outline {
    background: transparent;
    color: var(--primary-cyan);
    border: 2px solid var(--primary-cyan);
}

.btn-outline:hover {
    background: linear-gradient(135deg, #FFD700 0%, #FFC857 100%);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
}

.btn-ghost {
    background: rgba(255, 215, 0, 0.1);
    color: var(--primary-cyan);
}

.btn-ghost:hover {
    background: rgba(255, 215, 0, 0.2);
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.2);
}

/* ================================================================================================
    TABS & NAVIGATION
================================================================================================ */

.tabs-rioichi {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    padding-bottom: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
}

.tabs-rioichi::-webkit-scrollbar {
    height: 4px;
}

.tabs-rioichi::-webkit-scrollbar-thumb {
    background: var(--primary-cyan);
    border-radius: var(--radius-full);
}

.tab-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-base);
    white-space: nowrap;
}

.tab-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.tab-item.active {
    background: linear-gradient(135deg, #FFD700 0%, #FFED4E 50%, #FFC857 100%);
    color: var(--bg-primary);
    border-color: var(--primary-cyan);
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

/* ================================================================================================
    GRID SYSTEM
================================================================================================ */

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

.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

@media (max-width: 1024px) {
    .grid-cols-4 { grid-template-columns: repeat(3, 1fr); }
    .grid-cols-6 { grid-template-columns: repeat(4, 1fr); }
}

@media (max-width: 768px) {
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-6 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-6 { grid-template-columns: 1fr; }
}

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

.footer-rioichi {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-sm);
}

.footer-section ul li a {
    color: var(--text-secondary);
    transition: var(--transition-base);
}

.footer-section ul li a:hover {
    color: var(--primary-cyan);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ================================================================================================
    UTILITIES
================================================================================================ */

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

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--spacing-xs); }
.gap-2 { gap: var(--spacing-sm); }
.gap-3 { gap: var(--spacing-md); }
.gap-4 { gap: var(--spacing-lg); }

.mt-1 { margin-top: var(--spacing-xs); }
.mt-2 { margin-top: var(--spacing-sm); }
.mt-3 { margin-top: var(--spacing-md); }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-xs); }
.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-3 { margin-bottom: var(--spacing-md); }
.mb-4 { margin-bottom: var(--spacing-lg); }

.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

/* ================================================================================================
    ANIMATIONS
================================================================================================ */

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes goldGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(255, 215, 0, 0.6);
    }
}

@keyframes shimmerMove {
    0% {
        background-position: -100% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

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

.animate-slide-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-gold-glow {
    animation: goldGlow 2s ease-in-out infinite;
}

/* ================================================================================================
    RESPONSIVE HELPERS
================================================================================================ */

@media (max-width: 1024px) {
    .navbar-search {
        max-width: 300px;
    }
    
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.75rem; }
}

@media (max-width: 768px) {
    .navbar-content {
        flex-wrap: wrap;
    }
    
    .navbar-search {
        order: 3;
        flex: 1 1 100%;
        max-width: 100%;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1rem;
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
}