/* DealMania - Modern Dark Design */
:root {
    /* Modern Color Palette */
    --primary: #7C3AED;
    --primary-light: #A855F7;
    --primary-dark: #6D28D9;
    --accent: #06B6D4;
    --accent-light: #22D3EE;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Dark Theme Colors */
    --bg-primary: #0F0F23;
    --bg-secondary: #1A1A2E;
    --bg-tertiary: #16213E;
    --card-bg: #1E1E3F;
    --card-bg-hover: #252547;
    
    /* Text Colors */
    --text-primary: #FFFFFF;
    --text-secondary: #CBD5E1;
    --text-muted: #94A3B8;
    --text-accent: var(--primary-light);
    
    /* Border and Shadow */
    --border-primary: #2D3748;
    --border-secondary: #374151;
    --border-accent: var(--primary);
    
    /* Modern Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6);
    --glow: 0 0 20px rgba(124, 58, 237, 0.3);
    --glow-strong: 0 0 30px rgba(124, 58, 237, 0.5);
    
    /* Modern Spacing */
    --border-radius: 16px;
    --border-radius-sm: 12px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    
    /* Animation */
    --transition-fast: 0.15s;
    --transition-normal: 0.3s;
    --transition-slow: 0.5s;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Modern Header */
header {
    background: linear-gradient(135deg, 
        var(--bg-secondary) 0%, 
        var(--bg-tertiary) 50%, 
        var(--primary-dark) 100%);
    padding: 5rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(124, 58, 237, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(6, 182, 212, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(168, 85, 247, 0.1) 0%, transparent 50%);
    animation: gradientShift 10s ease-in-out infinite;
}

@keyframes gradientShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 40px rgba(124, 58, 237, 0.5);
}

.subtitle {
    font-size: 1.5rem;
    margin-bottom: 0;
    font-weight: 400;
    color: var(--text-secondary);
    letter-spacing: -0.01em;
}

/* Modern Deal Grid */
.deals-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
    margin: 4rem auto;
    padding: 0 1rem;
}

/* Revolutionary Card Design */
.deal-card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-primary);
    transition: all var(--transition-normal) var(--ease-out);
    position: relative;
    height: 100%;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    opacity: 0;
}

.deal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(124, 58, 237, 0.1) 0%, 
        transparent 50%, 
        rgba(6, 182, 212, 0.1) 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 1;
    pointer-events: none;
}

.deal-card.visible {
    transform: translateY(0);
    opacity: 1;
    animation: cardSlideUp 0.6s var(--ease-out);
}

.deal-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl), var(--glow);
    border-color: var(--border-accent);
    background: var(--card-bg-hover);
}

.deal-card:hover::before {
    opacity: 1;
}

@keyframes cardSlideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Premium Image Container */
.deal-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: #FFFFFF;
    position: relative;
    padding: 2rem;
    z-index: 2;
}

.deal-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(124, 58, 237, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.deal-card:hover .deal-image::after {
    opacity: 1;
}

.deal-image img {
    max-width: 100%;
    max-height: 180px;
    object-fit: contain;
    transition: transform var(--transition-normal) var(--ease-out);
}

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

/* Futuristic Discount Badge */
.discount-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    font-weight: 700;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg), var(--glow);
    z-index: 3;
    cursor: pointer;
    transition: all var(--transition-normal) var(--ease-out);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.discount-badge:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-xl), var(--glow-strong);
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
}

.discount-badge:active {
    transform: scale(0.95);
}

/* Enhanced Deal Info */
.deal-info {
    padding: 2rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
}

.deal-title {
    font-weight: 600;
    font-size: 1.25rem;
    line-height: 1.4;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.store-name {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.store-icon {
    font-size: 1rem;
}

/* Premium Price Container */
.price-container {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.price-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.original-price {
    text-decoration: line-through;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

.store-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--success);
    text-shadow: 0 0 10px rgba(16, 185, 129, 0.3);
}

/* Next-Gen Action Button */
.action-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    text-decoration: none;
    padding: 0.875rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: center;
    transition: all var(--transition-normal) var(--ease-out);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--glow);
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
}

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

.action-btn:active {
    transform: translateY(0);
}

/* Beautiful Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    max-width: 500px;
    margin: 0 auto;
    color: var(--text-secondary);
}

.empty-state h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    font-weight: 600;
}

.empty-state p {
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-muted);
}

/* Modern Footer */
footer {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 0;
    margin-top: 5rem;
    border-top: 1px solid var(--border-primary);
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-text {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    line-height: 1.6;
}

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

.footer-text a:hover {
    color: var(--accent-light);
}

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

/* Enhanced Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity var(--transition-slow) ease;
}

.loader {
    width: 50px;
    height: 50px;
    border: 3px solid var(--border-primary);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    box-shadow: var(--glow);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Ultra-Modern Pagination */
.pagination-container {
    margin: 4rem 0 3rem;
    text-align: center;
}

.pagination {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-btn {
    padding: 0.75rem 1.25rem;
    background: var(--card-bg);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-primary);
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-normal) var(--ease-out);
    min-width: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.pagination-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(124, 58, 237, 0.1), transparent);
    transition: left var(--transition-normal);
}

.pagination-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg), var(--glow);
}

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

.pagination-btn.pagination-current {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-color: var(--primary);
    cursor: default;
    box-shadow: var(--shadow-md), var(--glow);
}

.pagination-btn.pagination-current:hover {
    transform: none;
}

.pagination-prev,
.pagination-next {
    padding: 0.75rem 1.75rem;
    font-weight: 700;
}

.pagination-dots {
    color: var(--text-muted);
    padding: 0.75rem 0.5rem;
    font-weight: 600;
}

.pagination-info {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
}

/* Responsive Excellence */
@media (max-width: 992px) {
    .deals-container {
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .deals-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.25rem;
        margin: 3rem auto;
    }
    
    h1 {
        font-size: 3rem;
    }
    
    .subtitle {
        font-size: 1.25rem;
    }
    
    .deal-image {
        height: 200px;
        padding: 1.5rem;
    }
    
    .deal-info {
        padding: 1.5rem;
    }
    
    .pagination {
        gap: 0.5rem;
    }
    
    .pagination-btn {
        padding: 0.625rem 1rem;
        min-width: 44px;
        font-size: 0.85rem;
    }
    
    .pagination-prev,
    .pagination-next {
        padding: 0.625rem 1.25rem;
    }
}

@media (max-width: 576px) {
    header {
        padding: 4rem 0 3rem;
    }
    
    .deals-container {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 2rem auto;
        gap: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.125rem;
    }
    
    .deal-image {
        height: 180px;
        padding: 1.25rem;
    }
    
    .deal-info {
        padding: 1.25rem;
    }
    
    .price-container {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .action-btn {
        width: 100%;
        padding: 1rem;
    }
    
    .pagination-container {
        margin: 3rem 0 2rem;
    }
    
    .pagination {
        gap: 0.375rem;
    }
    
    .pagination-btn {
        padding: 0.5rem 0.875rem;
        min-width: 40px;
        font-size: 0.8rem;
    }
    
    .pagination-prev,
    .pagination-next {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}