/* Main styles */
:root {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #1e293b;
    --background-color: #0f172a;
    --card-bg: #1e293b;
    --light-bg: #334155;
    --text-color: #f8fafc;
    --light-text: #94a3b8;
    --border-color: #334155;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --usdt-color: #26a17b;
    --usdc-color: #2775ca;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --modal-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --border-radius: 12px;
}

body.light-mode {
    --primary-color: #6366f1;
    --primary-hover: #4f46e5;
    --secondary-color: #f1f5f9;
    --background-color: #f8fafc;
    --card-bg: #ffffff;
    --light-bg: #e2e8f0;
    --text-color: #0f172a;
    --light-text: #64748b;
    --border-color: #e2e8f0;
}

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s, color 0.3s;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    background-color: var(--light-bg);
    color: var(--text-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

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

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-primary:disabled {
    background-color: var(--light-bg);
    color: var(--light-text);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.section-title {
    font-size: 2rem;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
    font-weight: 600;
}

.section-title:after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 0.5rem auto 0;
    border-radius: 2px;
}

/* Header styles */
header {
    background-color: var(--secondary-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-color);
}

.logo img {
    height: 30px;
    margin-right: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
}

.nav-item {
    margin-left: 20px;
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

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

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

.theme-toggle:hover {
    color: var(--primary-color);
}

.connect-wallet-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.connect-wallet-btn:hover {
    background-color: var(--primary-hover);
}

.wallet-connected {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    padding: 8px 12px;
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.wallet-address {
    font-family: monospace;
}

/* Main layout */
.main-layout {
    display: grid;
    grid-template-columns: 1fr 3fr 1fr;
    gap: 20px;
    padding: 20px;
}

.main-content {
    grid-column: 2;
}

.left-sidebar, .right-sidebar {
    padding: 20px 0;
}

.sticky-ad {
    position: sticky;
    top: 90px;
}

.ad-space {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ad-placeholder {
    background-color: var(--card-bg);
    border: 1px dashed var(--border-color);
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    height: 250px;
}

.ad-placeholder.banner {
    height: 600px;
}

.ad-placeholder p {
    font-weight: 500;
    color: var(--light-text);
}

.ad-placeholder small {
    font-size: 0.8rem;
    color: var(--light-text);
    opacity: 0.7;
}

/* Hero section */
.hero {
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 3rem;
    position: relative;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('https://public.youware.com/users-website-assets/prod/385b5e68-05d9-4a95-aec5-e9777c4b1e27/g7ed3a3bfeca2aa6c4ae23d47909098636b7e527d6081cad826f7d1bbb4c211dcbcba39de3ad1ac13ef2272a8dce1b986ecb3aa9ceeb3688ac086bace1f62f18c_640.png') no-repeat center/cover;
    opacity: 0.05;
    z-index: 0;
}

.hero-container {
    padding: 4rem 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.web3-badge {
    display: inline-flex;
    align-items: center;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    padding: 6px 12px;
    border-radius: 30px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.web3-badge i {
    margin-right: 6px;
}

/* Products section */
.products {
    margin-bottom: 3rem;
}

.products-container {
    padding: 2rem 0;
}

.filter-btn {
    margin: 0 5px 10px;
    background-color: var(--light-bg);
    color: var(--text-color);
}

.filter-btn.active {
    background-color: var(--primary-color);
    color: white;
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.product-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-info {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-title {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.product-description {
    color: var(--light-text);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    flex-grow: 1;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stock-status {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.in-stock {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.low-stock {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.out-stock {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.btn-buy {
    width: 100%;
    padding: 10px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-buy:hover {
    background-color: var(--primary-hover);
}

.btn-buy:disabled {
    background-color: var(--light-bg);
    color: var(--light-text);
    cursor: not-allowed;
}

/* Payment methods section */
.payment-methods {
    margin-bottom: 3rem;
}

.payment-container {
    padding: 2rem 0;
}

.payment-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 20px;
}

.payment-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.crypto-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
}

.usdt-icon {
    color: var(--usdt-color);
}

.usdc-icon {
    color: var(--usdc-color);
}

/* Features section */
.features {
    margin-bottom: 3rem;
}

.features-container {
    padding: 2rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(99, 102, 241, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.feature-icon i {
    font-size: 24px;
    color: var(--primary-color);
}

.feature-title {
    margin-bottom: 1rem;
    font-weight: 600;
    font-size: 1.2rem;
}

.feature-text {
    color: var(--light-text);
    font-size: 0.9rem;
}

/* Footer */
footer {
    background-color: var(--secondary-color);
    padding: 2rem 0;
    text-align: center;
    border-radius: var(--border-radius);
    margin-top: 3rem;
}

.footer-bottom {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.admin-link {
    opacity: 0.5;
    font-size: 0.8rem;
    margin-left: 10px;
}

.admin-link:hover {
    opacity: 1;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    background-color: var(--card-bg);
    margin: 5% auto;
    padding: 0;
    width: 90%;
    max-width: 600px;
    border-radius: var(--border-radius);
    box-shadow: var(--modal-shadow);
    animation: modalFadeIn 0.3s;
    max-height: 90vh;
    overflow-y: auto;
}

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

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.close-btn {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 24px;
    cursor: pointer;
    color: var(--light-text);
    transition: color 0.3s ease;
}

.close-btn:hover {
    color: var(--danger-color);
}

.modal-body {
    padding: 1.5rem;
}

/* Form styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-color);
    background-color: var(--light-bg);
    color: var(--text-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: var(--light-text);
    font-size: 0.8rem;
}

.web3-payment-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    font-weight: 500;
}

/* Cryptocurrency payment options */
.crypto-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 15px;
}

.crypto-tab-btn {
    padding: 10px 20px;
    background: none;
    border: none;
    color: var(--light-text);
    cursor: pointer;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    transition: all 0.3s ease;
}

.crypto-tab-btn:hover {
    color: var(--text-color);
}

.crypto-tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.crypto-selection-container {
    margin-bottom: 20px;
}

.crypto-panel {
    display: none;
}

.crypto-panel.active {
    display: block;
}

.crypto-networks-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 200px;
    overflow-y: auto;
    padding: 10px 0;
}

.network-option {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    background-color: var(--light-bg);
    cursor: pointer;
    transition: all 0.3s ease;
}

.network-option:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.network-option.selected {
    background-color: rgba(99, 102, 241, 0.2);
    border-left: 3px solid var(--primary-color);
}

.network-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.network-icon.usdt-icon i {
    color: var(--usdt-color);
}

.network-icon.usdc-icon i {
    color: var(--usdc-color);
}

.network-details {
    flex: 1;
}

.network-name {
    font-weight: 500;
    display: block;
    margin-bottom: 4px;
}

.network-address {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--light-text);
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

.loading-message {
    padding: 20px;
    text-align: center;
    color: var(--light-text);
}

/* Selected wallet display */
.selected-wallet-container {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    margin: 15px 0;
}

.selected-wallet-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    font-weight: 500;
}

.selected-wallet-address {
    display: flex;
    align-items: center;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 10px;
    margin-bottom: 8px;
}

.wallet-address-display {
    font-family: monospace;
    word-break: break-all;
    flex: 1;
}

.copy-wallet-btn {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    transition: color 0.3s ease;
    padding: 5px;
}

.copy-wallet-btn:hover {
    color: var(--primary-hover);
}

.selected-wallet-network {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 10px;
}

.wallet-copied {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: none;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    text-align: center;
    margin-top: 5px;
}

/* Web3 payment methods */
.web3-payment-methods {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 15px;
}

.crypto-payment-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0.6;
    width: calc(50% - 10px);
}

.crypto-payment-option:hover {
    background-color: rgba(99, 102, 241, 0.1);
    opacity: 0.8;
}

.crypto-payment-option.selected {
    background-color: rgba(99, 102, 241, 0.2);
    border: 1px solid var(--primary-color);
    opacity: 1;
}

.crypto-payment-option.disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

.crypto-payment-option .crypto-icon {
    width: 40px;
    height: 40px;
    margin-bottom: 10px;
}

.crypto-name {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

/* Product delivery */
.success-message {
    text-align: center;
    margin-bottom: 20px;
}

.success-message i {
    font-size: 48px;
    color: var(--success-color);
    margin-bottom: 10px;
}

.transaction-hash {
    font-family: monospace;
    background-color: var(--light-bg);
    padding: 10px;
    border-radius: var(--border-radius);
    margin-bottom: 10px;
    text-align: center;
    font-size: 0.9rem;
    word-break: break-all;
}

.transaction-link {
    display: block;
    text-align: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.product-details {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 20px;
    position: relative;
}

.product-code {
    font-family: monospace;
    background-color: var(--card-bg);
    padding: 10px;
    border-radius: var(--border-radius);
    margin: 10px 0;
    word-break: break-all;
}

.copy-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: 8px 12px;
    font-size: 0.9rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: all 0.3s ease;
}

.copy-btn:hover {
    background-color: var(--primary-hover);
}

.copy-notification {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    display: none;
    padding: 5px 10px;
    border-radius: var(--border-radius);
    font-size: 0.8rem;
    text-align: center;
    margin-top: 10px;
}

.instructions {
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    margin-bottom: 20px;
}

.instructions ol {
    padding-left: 20px;
    margin: 10px 0;
}

.instructions li {
    margin-bottom: 5px;
}

/* Wallet Modal */
.wallet-selector {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.wallet-option {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--light-bg);
    border-radius: var(--border-radius);
    padding: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.wallet-option:hover {
    background-color: rgba(99, 102, 241, 0.1);
}

.wallet-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--card-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
}

.wallet-name {
    font-size: 0.9rem;
    font-weight: 500;
}

.metamask-icon {
    color: #f6851b;
    font-size: 24px;
}

.connect-status {
    text-align: center;
    padding: 10px;
    border-radius: var(--border-radius);
    margin: 10px 0;
    font-size: 0.9rem;
    display: none;
}

.connecting {
    display: block;
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.connected {
    display: block;
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Responsive styles */
@media (max-width: 1200px) {
    .main-layout {
        grid-template-columns: 1fr 4fr;
    }
    
    .right-sidebar {
        display: none;
    }
}

@media (max-width: 900px) {
    .main-layout {
        grid-template-columns: 1fr;
    }
    
    .left-sidebar {
        display: none;
    }
    
    .main-content {
        grid-column: 1;
    }
    
    .hero-content h1 {
        font-size: 2rem;
    }
    
    .product-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 600px) {
    .navbar {
        flex-direction: column;
        gap: 15px;
    }
    
    .nav-menu {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .nav-item {
        margin: 5px 10px;
    }
    
    .hero-content h1 {
        font-size: 1.8rem;
    }
    
    .hero-content p {
        font-size: 1rem;
    }
    
    .modal-content {
        width: 95%;
    }
    
    .web3-payment-methods {
        flex-direction: column;
    }
    
    .crypto-payment-option {
        width: 100%;
    }
}