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

body {
    background-color: #f5f5f5;
    color: #333;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 14px;
    line-height: 1.6;
}

.page-wrapper {
    display: flex;
    max-width: 1200px;
    margin: 0 auto;
    background-color: #fff;
    min-height: 100vh;
}

.header {
    background-color: #fff;
    border-bottom: 1px solid #ddd;
    padding: 15px 20px;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.logo-link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.logo-link:hover {
    opacity: 0.8;
}

.logo h1 {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.logo .tagline {
    font-size: 14px;
    color: #999;
    font-style: italic;
    font-weight: normal;
}

.top-nav {
    display: flex;
    gap: 20px;
    align-items: center;
    font-size: 13px;
}

.top-nav a {
    color: #333;
    text-decoration: none;
}

.top-nav a:hover {
    text-decoration: underline;
}

.top-nav .account-info {
    color: #666;
}

.sidebar {
    width: 220px;
    background-color: #fafafa;
    border-right: 1px solid #ddd;
    padding: 20px 0;
    flex-shrink: 0;
}

.sidebar h3 {
    font-size: 13px;
    color: #333;
    padding: 0 15px;
    margin-bottom: 10px;
    font-weight: bold;
}

.sidebar-menu {
    list-style: none;
}

.sidebar-menu li {
    border-bottom: 1px solid #e5e5e5;
}

.sidebar-menu li a {
    display: block;
    padding: 8px 15px;
    color: #333;
    text-decoration: none;
    font-size: 13px;
}

.sidebar-menu li a:hover {
    background-color: #f0f0f0;
}

.sidebar-menu li a.active {
    background-color: #e8e8e8;
    font-weight: bold;
}

.sidebar-menu .count {
    float: right;
    color: #999;
    font-size: 12px;
}

.main-content {
    flex: 1;
    padding: 20px;
}

.search-bar {
    margin-bottom: 20px;
}

.search-bar form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-bar input[type="text"] {
    flex: 1;
    max-width: 400px;
    padding: 8px 12px;
    border: 1px solid #ccc;
    font-size: 13px;
    border-radius: 3px;
}

.search-bar button {
    background: #4CAF50;
    color: white;
    padding: 8px 20px;
    border: none;
    border-radius: 3px;
    font-size: 13px;
    cursor: pointer;
    font-weight: bold;
}

.search-bar button:hover {
    background: #45a049;
}

.search-results-info {
    background: #e3f2fd;
    border: 1px solid #90caf9;
    padding: 10px 15px;
    margin-bottom: 20px;
    border-radius: 4px;
    font-size: 13px;
    color: #1976d2;
}

.clear-search {
    margin-left: 15px;
    color: #1976d2;
    text-decoration: none;
    font-weight: bold;
}

.clear-search:hover {
    text-decoration: underline;
}

.no-results {
    text-align: center;
    padding: 40px 20px;
    background: #f5f5f5;
    border-radius: 4px;
    margin-top: 20px;
}

.no-results p {
    font-size: 16px;
    color: #666;
    margin-bottom: 15px;
}

.no-results a {
    color: #0066cc;
    text-decoration: none;
    font-weight: bold;
}

.no-results a:hover {
    text-decoration: underline;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.product-card {
    background: #fff;
    border: 1px solid #ddd;
    padding: 0;
    text-align: center;
    transition: box-shadow 0.2s;
}

.product-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.product-image {
    width: 100%;
    height: 150px;
    background-color: #f0f0f0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-size: 12px;
    border-bottom: 1px solid #ddd;
}

.product-info {
    padding: 10px;
}

.product-name {
    font-size: 13px;
    color: #333;
    margin-bottom: 5px;
    text-decoration: none;
    display: block;
    min-height: 36px;
}

.product-name:hover {
    color: #666;
}

.product-price {
    font-size: 14px;
    font-weight: bold;
    color: #333;
    margin: 5px 0;
}

.product-vendor {
    font-size: 12px;
    color: #666;
}

.page-title {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
}

.breadcrumb {
    font-size: 12px;
    color: #666;
    margin-bottom: 20px;
}

.breadcrumb a {
    color: #333;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.product-detail {
    max-width: 800px;
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.product-detail-image {
    width: 300px;
    height: 300px;
    background-color: #f0f0f0;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
}

.product-detail-info h2 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #333;
}

.detail-table {
    width: 100%;
    margin-bottom: 20px;
}

.detail-table tr {
    border-bottom: 1px solid #eee;
}

.detail-table td {
    padding: 8px 0;
    font-size: 13px;
}

.detail-table .label {
    font-weight: bold;
    width: 120px;
    color: #666;
}

.detail-table .value {
    color: #333;
}

.price-large {
    font-size: 20px;
    font-weight: bold;
    color: #333;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: #fff;
    text-decoration: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
}

.btn:hover {
    background-color: #45a049;
}

.btn-large {
    padding: 12px 30px;
    font-size: 16px;
}

.cart-table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

.cart-table th {
    background-color: #f0f0f0;
    padding: 10px;
    text-align: left;
    font-size: 13px;
    border: 1px solid #ddd;
}

.cart-table td {
    padding: 10px;
    border: 1px solid #ddd;
    font-size: 13px;
}

.cart-table .total-row {
    font-weight: bold;
    background-color: #fafafa;
}

.cart-table a {
    color: #333;
    text-decoration: none;
}

.cart-table a:hover {
    text-decoration: underline;
}

.btn-remove {
    color: #c00;
    text-decoration: none;
    font-size: 12px;
}

.btn-remove:hover {
    text-decoration: underline;
}

.empty-cart {
    text-align: center;
    padding: 40px;
    color: #666;
}

.description-box, .vendor-info {
    margin: 20px 0;
    padding: 15px;
    background-color: #fafafa;
    border: 1px solid #ddd;
}

.description-box h3, .vendor-info h3 {
    font-size: 16px;
    margin-bottom: 10px;
    color: #333;
}

.vendor-info ul {
    list-style: none;
    font-size: 13px;
}

.vendor-info ul li {
    padding: 5px 0;
    color: #666;
}

.warning-box, .notice-box {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
    color: #856404;
    font-size: 13px;
}

.footer {
    text-align: center;
    padding: 20px;
    border-top: 1px solid #ddd;
    background-color: #fafafa;
    color: #666;
    font-size: 12px;
}

@media (max-width: 768px) {
    .page-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
    
    .product-detail-grid {
        grid-template-columns: 1fr;
    }
}

.auth-container {
    max-width: 600px;
    margin: 40px auto;
    padding: 20px;
}

.auth-box {
    background: #fff;
    border: 1px solid #ddd;
    padding: 30px;
}

.auth-box h2 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #333;
}

.auth-description {
    color: #666;
    margin-bottom: 20px;
    font-size: 14px;
}

.error-message {
    background-color: #ffebee;
    border: 1px solid #ef5350;
    color: #c62828;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 3px;
}

.success-message {
    background-color: #e8f5e9;
    border: 1px solid #66bb6a;
    color: #2e7d32;
    padding: 12px;
    margin-bottom: 20px;
    border-radius: 3px;
}

.auth-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #333;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="password"],
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    font-size: 14px;
    font-family: Arial, sans-serif;
}

.form-group textarea {
    font-family: 'Courier New', monospace;
    font-size: 12px;
    resize: vertical;
}

.form-group small {
    display: block;
    color: #666;
    font-size: 12px;
    margin-top: 5px;
}

.security-notice {
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
    font-size: 13px;
}

.security-notice strong {
    display: block;
    margin-bottom: 8px;
    color: #856404;
}

.security-notice ul {
    margin: 5px 0 0 20px;
    color: #856404;
}

.security-notice li {
    margin: 3px 0;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

.auth-footer a {
    color: #333;
    font-weight: bold;
}

.account-container {
    max-width: 800px;
}

.account-section {
    background: #fafafa;
    border: 1px solid #ddd;
    padding: 20px;
    margin-bottom: 20px;
}

.account-section h3 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
}

.pgp-key-display textarea {
    width: 100%;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    padding: 10px;
    border: 1px solid #ccc;
    background-color: #fff;
}

.user-info {
    color: #333;
    font-weight: bold;
}

.top-nav a.logout {
    color: #c00;
}

.challenge-box {
    background: #f0f0f0;
    border: 2px solid #333;
    padding: 15px;
    margin: 20px 0;
}

.challenge-box h3 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #333;
}

.challenge-text {
    width: 100%;
    font-family: 'Courier New', monospace;
    font-size: 13px;
    padding: 10px;
    border: 1px solid #999;
    background: #fff;
    color: #000;
    font-weight: bold;
}

.pgp-instructions {
    background: #fff3cd;
    border: 1px solid #ffc107;
    padding: 15px;
    margin: 20px 0;
}

.pgp-instructions h3 {
    font-size: 14px;
    margin-bottom: 10px;
    color: #856404;
}

.pgp-instructions ol {
    margin-left: 20px;
    color: #856404;
    font-size: 13px;
}

.pgp-instructions li {
    margin: 5px 0;
}

.pgp-instructions code {
    background: #000;
    color: #0f0;
    padding: 2px 6px;
    font-family: 'Courier New', monospace;
    font-size: 12px;
    display: inline-block;
    margin: 5px 0;
}

.radio-group {
    margin: 10px 0;
}

.radio-label {
    display: block;
    padding: 10px;
    margin: 5px 0;
    border: 1px solid #ddd;
    background: #fafafa;
    cursor: pointer;
}

.radio-label:hover {
    background: #f0f0f0;
    border-color: #999;
}

.radio-label input[type="radio"] {
    margin-right: 10px;
}

.vendor-badge {
    display: inline-block;
    background: #4CAF50;
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
    margin-left: 10px;
    vertical-align: middle;
}

.upgrade-notice {
    background: #e8f5e9;
    border: 1px solid #4CAF50;
    padding: 20px;
    margin-top: 20px;
    border-radius: 4px;
}

.upgrade-notice h4 {
    color: #2e7d32;
    margin-bottom: 10px;
    font-size: 16px;
}

.upgrade-notice p {
    color: #1b5e20;
    margin-bottom: 15px;
}

.vendor-info-box {
    padding: 20px;
}

.vendor-benefits {
    background: #f9f9f9;
    padding: 15px;
    margin: 20px 0;
    border-left: 4px solid #4CAF50;
}

.vendor-benefits h4 {
    font-size: 15px;
    margin-bottom: 10px;
    color: #333;
}

.vendor-benefits ul {
    margin-left: 20px;
    color: #555;
}

.vendor-benefits li {
    margin: 8px 0;
}

.vendor-bond-info {
    background: #fff3e0;
    padding: 15px;
    margin: 20px 0;
    border-left: 4px solid #ff9800;
}

.vendor-bond-info h4 {
    font-size: 15px;
    margin-bottom: 10px;
    color: #333;
}

.bond-amount {
    font-size: 18px;
    color: #e65100;
    margin: 10px 0;
}

.bond-description {
    color: #666;
    font-size: 13px;
}

.balance-check {
    background: #f5f5f5;
    padding: 15px;
    margin: 20px 0;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.balance-check p {
    margin: 8px 0;
}

.warning-text {
    color: #d32f2f;
    font-weight: bold;
}

.success-text {
    color: #2e7d32;
    font-weight: bold;
}

.btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    opacity: 0.6;
}

.btn:disabled:hover {
    background: #ccc;
}

.admin-badge {
    display: inline-block;
    background: #d32f2f;
    color: white;
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
    margin-left: 10px;
    vertical-align: middle;
}

.admin-badge-small {
    display: inline-block;
    background: #d32f2f;
    color: white;
    padding: 2px 6px;
    border-radius: 2px;
    font-size: 10px;
    font-weight: bold;
    margin-left: 5px;
    vertical-align: middle;
}

.vendor-dashboard {
    padding: 20px;
}

.vendor-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #f9f9f9;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    text-align: center;
}

.stat-number {
    font-size: 32px;
    font-weight: bold;
    color: #333;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 13px;
    color: #666;
}

.vendor-section {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 20px;
}

.vendor-section h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #333;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.add-product-form {
    max-width: 600px;
}

.add-product-form .form-group {
    margin-bottom: 15px;
}

.add-product-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    font-size: 13px;
}

.add-product-form input[type="text"],
.add-product-form input[type="number"],
.add-product-form select,
.add-product-form textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 3px;
    font-size: 13px;
    font-family: Arial, Helvetica, sans-serif;
}

.add-product-form textarea {
    resize: vertical;
}

.btn-primary {
    background: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
    font-weight: bold;
}

.btn-primary:hover {
    background: #45a049;
}

.success-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.error-message {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
    padding: 12px;
    border-radius: 4px;
    margin-bottom: 15px;
}

.no-products {
    color: #666;
    font-style: italic;
    padding: 20px;
    text-align: center;
}

.products-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.products-table thead {
    background: #f5f5f5;
}

.products-table th {
    text-align: left;
    padding: 10px;
    border-bottom: 2px solid #ddd;
    font-weight: bold;
}

.products-table td {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.products-table tbody tr:hover {
    background: #f9f9f9;
}

.products-table a {
    color: #0066cc;
    text-decoration: none;
}

.products-table a:hover {
    text-decoration: underline;
}

.stock-badge {
    padding: 3px 8px;
    border-radius: 3px;
    font-size: 11px;
    background: #e8f5e9;
    color: #2e7d32;
}

.action-buttons {
    white-space: nowrap;
}

.btn-edit {
    background: #2196F3;
    color: white !important;
    padding: 6px 0;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-right: 5px;
    width: 60px;
    text-align: center;
    box-sizing: border-box;
    vertical-align: middle;
    line-height: 1.2;
    font-family: Arial, Helvetica, sans-serif;
}

.btn-edit:hover {
    background: #1976D2;
    text-decoration: none;
    color: white !important;
}

.btn-delete {
    background: #f44336;
    color: white;
    padding: 6px 0;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    width: 60px;
    text-align: center;
    box-sizing: border-box;
    vertical-align: middle;
    line-height: 1.2;
    font-family: Arial, Helvetica, sans-serif;
    margin: 0;
}

.action-buttons form {
    display: inline-block;
    margin: 0;
    padding: 0;
}

.btn-delete:hover {
    background: #d32f2f;
}

.btn-view {
    background: #4CAF50;
    color: white;
    padding: 6px 12px;
    border: none;
    border-radius: 3px;
    font-size: 12px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    margin-right: 5px;
    text-align: center;
    box-sizing: border-box;
    vertical-align: middle;
    line-height: 1.2;
    font-family: Arial, Helvetica, sans-serif;
}

.btn-view:hover {
    background: #45a049;
    text-decoration: none;
}

.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: #fefefe;
    margin: 5% auto;
    padding: 30px;
    border: 1px solid #888;
    border-radius: 5px;
    width: 80%;
    max-width: 800px;
    position: relative;
}

.modal-content h2 {
    margin-bottom: 20px;
    color: #333;
}

.modal-content h3 {
    margin-top: 20px;
    margin-bottom: 10px;
    color: #555;
    font-size: 16px;
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 20px;
}

.close:hover,
.close:focus {
    color: #000;
}

.btn-secondary {
    background: #757575;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    margin-left: 10px;
}

.btn-secondary:hover {
    background: #616161;
    text-decoration: none;
}

/* Admin Dashboard */
.admin-dashboard {
    max-width: 1200px;
}

.admin-section {
    background: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 20px;
    margin-bottom: 25px;
}

.admin-section h2 {
    font-size: 18px;
    margin-bottom: 20px;
    color: #333;
    border-bottom: 2px solid #f44336;
    padding-bottom: 10px;
}

.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 15px;
    margin-bottom: 10px;
}

.badge-vendor {
    background: #4CAF50;
    color: white;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
}

.badge-static {
    background: #9E9E9E;
    color: white;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: bold;
}

/* Responsive Design - Tablet and Mobile */
@media (max-width: 768px) {
    .page-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid #ddd;
        margin-bottom: 20px;
    }
    
    .main-content {
        width: 100%;
        padding: 15px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .top-nav {
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .vendor-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-table {
        font-size: 11px;
    }
    
    .products-table th,
    .products-table td {
        padding: 6px;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 13px;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .vendor-stats {
        grid-template-columns: 1fr;
    }
    
    .header {
        padding: 10px;
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .tagline {
        font-size: 11px;
    }
    
    .top-nav {
        font-size: 12px;
    }
    
    .main-content {
        padding: 10px;
    }
    
    .search-bar input[type="text"] {
        font-size: 13px;
    }
    
    .products-table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .products-table {
        min-width: 600px;
    }
    
    .product-detail-grid {
        flex-direction: column;
    }
    
    .product-detail-image {
        width: 100%;
        height: 200px;
    }
    
    .add-product-form,
    .login-form,
    .register-form {
        max-width: 100%;
    }
    
    .btn-edit,
    .btn-delete {
        font-size: 11px;
        width: 55px;
        padding: 5px 0;
    }
    
    .action-buttons {
        display: flex;
        gap: 3px;
    }
}