:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--error-color: #ef4444;--text-color: #374151;--light-gray: #f3f4f6;--border-color: #e5e7eb;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.login-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f9fafb;padding:20px}.login-card{background:#fff;border-radius:12px;box-shadow:var(--shadow);width:100%;max-width:420px;padding:40px}.login-header{text-align:center;margin-bottom:32px}.login-header h2{font-size:24px;font-weight:700;color:var(--text-color);margin-bottom:8px}.login-header p{color:#6b7280;font-size:14px}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--text-color)}.form-group input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:14px;transition:border-color .3s}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #4f46e51a}.form-options{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;font-size:14px}.remember-me{display:flex;align-items:center}.remember-me input{margin-right:8px}.forgot-password{color:var(--primary-color);text-decoration:none;font-weight:500}.forgot-password:hover{text-decoration:underline}.login-button{width:100%;padding:12px;background-color:var(--primary-color);color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:background-color .3s}.login-button:hover{background-color:var(--primary-hover)}.login-button:disabled{background-color:#c7d2fe;cursor:not-allowed}.signup-link{text-align:center;margin-top:24px;font-size:14px;color:#6b7280}.signup-link a{color:var(--primary-color);font-weight:500;text-decoration:none}.signup-link a:hover{text-decoration:underline}.error-message{color:var(--error-color);background-color:#fee2e2;padding:12px;border-radius:8px;margin-bottom:20px;font-size:14px;text-align:center}:root{--primary-color: #4f46e5;--primary-hover: #4338ca;--sidebar-bg: #1e1e2d;--sidebar-text: #a1a1c2;--sidebar-active: #4f46e5;--sidebar-hover: #2d2d42;--main-bg: #f8f9fc;--card-bg: #ffffff;--text-color: #2d3748;--text-light: #718096;--border-color: #e2e8f0;--success-color: #10b981;--warning-color: #f59e0b;--error-color: #ef4444;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06)}.dashboard-container{display:flex;min-height:100vh;background-color:var(--main-bg)}.sidebar{width:260px;background-color:var(--sidebar-bg);color:var(--sidebar-text);padding:20px 0;display:flex;flex-direction:column}.sidebar-header{padding:0 20px 20px;border-bottom:1px solid rgba(255,255,255,.1)}.sidebar-header h2{color:#fff;font-size:18px}.sidebar-nav{flex:1;padding:20px 0}.sidebar-nav ul{list-style:none}.sidebar-nav li{margin-bottom:4px}.sidebar-nav a{display:flex;align-items:center;padding:12px 20px;color:var(--sidebar-text);text-decoration:none;transition:all .3s}.sidebar-nav a:hover{background-color:var(--sidebar-hover);color:#fff}.sidebar-nav .active a{background-color:var(--sidebar-active);color:#fff}.sidebar-nav .icon{margin-right:12px;font-size:18px}.sidebar-footer{padding:20px}.logout-button{width:100%;padding:10px;background-color:transparent;border:1px solid rgba(255,255,255,.1);color:var(--sidebar-text);border-radius:6px;cursor:pointer;transition:all .3s}.logout-button:hover{background-color:#ffffff1a;color:#fff}.main-content{flex:1;padding:24px;overflow-y:auto}.main-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.main-header h1{font-size:24px;color:var(--text-color)}.user-profile{display:flex;align-items:center;gap:12px}.avatar{width:40px;height:40px;border-radius:50%;background-color:var(--primary-color);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:24px}.stat-card{background-color:var(--card-bg);border-radius:10px;padding:20px;box-shadow:var(--shadow-sm)}.stat-card h3{font-size:14px;color:var(--text-light);margin-bottom:8px}.stat-card p{font-size:24px;font-weight:700;color:var(--text-color);margin-bottom:4px}.trend{font-size:12px;font-weight:500}.trend.up{color:var(--success-color)}.trend.down{color:var(--error-color)}.recent-orders{background-color:var(--card-bg);border-radius:10px;padding:20px;box-shadow:var(--shadow-sm)}.recent-orders h2{font-size:18px;margin-bottom:16px;color:var(--text-color)}table{width:100%;border-collapse:collapse}th,td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border-color)}th{font-size:14px;font-weight:600;color:var(--text-light);text-transform:uppercase}td{font-size:14px;color:var(--text-color)}.status{display:inline-block;padding:4px 8px;border-radius:12px;font-size:12px;font-weight:500}.status.shipped{background-color:#dbeafe;color:#1d4ed8}.status.delivered{background-color:#dcfce7;color:#047857}.status.processing{background-color:#fef3c7;color:#92400e}.dashboard-page{padding:2rem}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.stat-card{background:#fff;padding:1.5rem;border-radius:8px;box-shadow:0 2px 4px #0000001a}.stat-card h3{font-size:1rem;color:#6b7280;margin-bottom:.5rem}.stat-card p{font-size:1.8rem;font-weight:700;color:#1f2937}.trend{font-size:.9rem;font-weight:500}.trend.up{color:#10b981}.trend.down{color:#ef4444}.trend.neutral{color:#6b7280}.data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 2px 4px #0000001a}.data-table th,.data-table td{padding:1rem;text-align:left;border-bottom:1px solid #e5e7eb}.data-table th{background:#f9fafb;font-weight:600;color:#374151}.status{display:inline-block;padding:.25rem .5rem;border-radius:12px;font-size:.8rem;font-weight:500}.status.processing{background:#fef3c7;color:#92400e}.status.shipped{background:#dbeafe;color:#1d4ed8}.status.delivered{background:#dcfce7;color:#047857}.low-stock{color:#ef4444;font-weight:600}.btn-primary{background:#4f46e5;color:#fff;border:none;padding:.5rem 1rem;border-radius:6px;cursor:pointer}.btn-sm{padding:.25rem .5rem;border-radius:4px;border:1px solid #e5e7eb;background:#fff;cursor:pointer;margin-right:.5rem}.btn-sm.danger{color:#ef4444;border-color:#fca5a5}.search-bar input{padding:.5rem 1rem;border:1px solid #e5e7eb;border-radius:6px;min-width:300px}.product-form-container{max-width:900px;margin:2rem auto;padding:2rem;background:#fff;border-radius:12px;box-shadow:0 2px 10px #00000014;font-family:Segoe UI,system-ui,sans-serif}.form-header{margin-bottom:2rem;border-bottom:1px solid #eaeaea;padding-bottom:1rem}#product-form-title{color:#1a1a1a;font-size:1.8rem;margin:0 0 .5rem}.breadcrumb{display:flex;padding:0;margin:0;list-style:none;font-size:.9rem}.breadcrumb li{margin-right:.5rem}.breadcrumb li:not(:last-child):after{content:"/";margin-left:.5rem;color:#666}.breadcrumb a{color:#06c;text-decoration:none}.breadcrumb a:hover{text-decoration:underline}.form-section{border:1px solid #e0e0e0;border-radius:8px;padding:1.5rem;margin-bottom:2rem;background:#f9f9f9}.section-title{font-weight:600;color:#333;padding:0 .5rem;margin:0 0 1rem -.5rem;font-size:1.2rem}.form-group{margin-bottom:1.5rem}.form-row{display:flex;gap:1.5rem;margin-bottom:1rem}.form-row .form-group{flex:1;margin-bottom:0}label{display:block;margin-bottom:.5rem;font-weight:500;color:#333}label.required:after{content:" *";color:#d32f2f}input[type=text],input[type=number],textarea,select{width:100%;padding:.75rem;border:1px solid #ccc;border-radius:6px;font-size:1rem;transition:border-color .2s}input[type=text]:focus,input[type=number]:focus,textarea:focus,select:focus{outline:none;border-color:#06c;box-shadow:0 0 0 2px #06c3}textarea{min-height:120px;resize:vertical}select{-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right .75rem center;background-size:1rem}.image-upload-container{margin-top:.5rem}.upload-button{display:inline-flex;align-items:center;justify-content:center;padding:.75rem 1.5rem;background-color:#f0f7ff;color:#06c;border:2px dashed #b3d1ff;border-radius:6px;cursor:pointer;transition:all .2s;font-weight:500}.upload-button:hover{background-color:#e6f0ff}.upload-button span{margin-left:.5rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.image-requirements{font-size:.85rem;color:#666;margin-top:.5rem}.image-previews{margin-top:1.5rem}.preview-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:1rem;padding:0;margin:0;list-style:none}.preview-item{position:relative;border-radius:6px;overflow:hidden;box-shadow:0 2px 4px #0000001a}.preview-image{width:100%;height:120px;object-fit:cover;display:block}.remove-image{position:absolute;top:.25rem;right:.25rem;width:1.75rem;height:1.75rem;background:#000000b3;color:#fff;border:none;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.1rem;line-height:1}.no-images{color:#666;font-style:italic;text-align:center;padding:1rem;background:#f5f5f5;border-radius:6px}.form-actions{margin-top:2rem;text-align:right}.submit-button{padding:.75rem 2rem;background-color:#06c;color:#fff;border:none;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .2s;position:relative}.submit-button:hover{background-color:#0052a3}.submit-button:disabled{background-color:#999;cursor:not-allowed}.spinner{display:inline-block;width:1.25rem;height:1.25rem;border:2px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin 1s ease-in-out infinite;margin-right:.5rem}@keyframes spin{to{transform:rotate(360deg)}}.error-message{background-color:#fff0f0;color:#d32f2f;padding:1rem;border-radius:6px;border-left:4px solid #d32f2f;margin-bottom:2rem;display:flex;align-items:center}.error-icon{margin-right:.75rem;width:1.25rem;height:1.25rem;fill:currentColor}.help-text{display:block;margin-top:.25rem;font-size:.85rem;color:#666}.form-help{margin-top:3rem;padding:1.5rem;background-color:#f5f9ff;border-radius:8px;border-left:4px solid #0066cc}.form-help h2{margin-top:0;color:#06c;font-size:1.2rem}@media (max-width: 768px){.product-form-container{padding:1rem;margin:1rem}.form-row{flex-direction:column;gap:1rem}.form-section{padding:1rem}}.seller-landing{font-family:Inter,sans-serif;max-width:1400px;margin:0 auto;padding:0 2rem;color:#333}.seller-header{display:flex;justify-content:space-between;align-items:center;padding:2rem 0;margin-bottom:3rem}.header-brand{display:flex;align-items:center;gap:1rem}.header-brand h1{font-size:2rem;font-weight:700;margin:0;color:#2c3e50}.logo-icon{font-size:2.5rem;color:#4f46e5}.header-auth{display:flex;gap:1.5rem}.auth-btn{padding:.75rem 1.5rem;border-radius:6px;font-weight:600;cursor:pointer;transition:all .3s ease;border:none;font-size:1rem}.auth-btn.login{background:transparent;color:#4f46e5;border:1px solid #4f46e5}.auth-btn.signup{background:#4f46e5;color:#fff}.auth-btn:hover{transform:translateY(-2px);box-shadow:0 4px 6px #0000001a}.hero{display:flex;align-items:center;gap:4rem;margin-bottom:6rem}.hero-content,.hero-image{flex:1}.hero-image img{width:100%;border-radius:12px;box-shadow:0 10px 25px #0000001a}.hero h2{font-size:3rem;font-weight:800;line-height:1.2;margin-bottom:1.5rem;color:#2c3e50}.hero-subtitle{font-size:1.25rem;color:#666;margin-bottom:2.5rem;line-height:1.6}.benefits-section{margin:6rem 0}.section-title{text-align:center;font-size:2.25rem;margin-bottom:4rem;color:#2c3e50}.benefits-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2.5rem}.benefit-card{padding:2rem;border-radius:12px;background:#f9fafb;text-align:center;transition:transform .3s ease}.benefit-card:hover{transform:translateY(-8px);box-shadow:0 10px 25px #00000014}.benefit-icon{font-size:2.5rem;color:#4f46e5;margin-bottom:1.5rem}.benefit-card h4{font-size:1.25rem;margin-bottom:1rem;color:#2c3e50}.benefit-card p{color:#666;line-height:1.6}.steps-section{margin:6rem 0;text-align:center}.steps-container{display:flex;justify-content:center;gap:4rem;margin:3rem 0 4rem}.step{flex:1;max-width:300px;position:relative}.step-number{width:50px;height:50px;background:#4f46e5;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;margin:0 auto 1.5rem;font-size:1.25rem}.step-text{font-size:1.1rem;line-height:1.6;color:#555}.cta-button{padding:1rem 2rem;border-radius:6px;font-weight:600;font-size:1.1rem;cursor:pointer;transition:all .3s ease;border:none;display:inline-flex;align-items:center;gap:.75rem}.cta-button.primary{background:#4f46e5;color:#fff}.cta-button.secondary{background:#fff;color:#4f46e5;border:1px solid #4f46e5}.cta-button:hover{transform:translateY(-3px);box-shadow:0 6px 12px #00000026}.seller-footer{margin-top:6rem;padding:3rem 0;border-top:1px solid #eee;text-align:center}.footer-nav{display:flex;justify-content:center;gap:2rem;margin-bottom:2rem}.footer-link{background:none;border:none;color:#666;font-size:1rem;cursor:pointer;transition:color .2s ease}.footer-link:hover{color:#4f46e5;text-decoration:underline}.copyright{color:#888;font-size:.9rem}@media (max-width: 768px){.seller-header{flex-direction:column;gap:1.5rem}.hero{flex-direction:column;text-align:center}.steps-container{flex-direction:column;align-items:center;gap:3rem}.footer-nav{flex-direction:column;gap:1rem}}.register-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background-color:#f5f7fa;padding:2rem}.register-card{background:#fff;border-radius:12px;box-shadow:0 10px 30px #0000001a;width:100%;max-width:900px;padding:2.5rem}.register-card h2{color:#2d3748;font-size:1.8rem;margin-bottom:.5rem}.register-card p{color:#718096;margin-bottom:2rem}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.form-section{margin-bottom:1.5rem}.form-section h3{color:#4a5568;font-size:1.2rem;margin-bottom:1rem;padding-bottom:.5rem;border-bottom:1px solid #e2e8f0}.form-group{margin-bottom:1.2rem}.form-group label{display:block;color:#4a5568;font-weight:500;margin-bottom:.5rem}.form-group input,.form-group textarea{width:100%;padding:.75rem;border:1px solid #e2e8f0;border-radius:6px;font-size:1rem;transition:border-color .3s}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#4299e1;box-shadow:0 0 0 3px #4299e133}.form-group textarea{min-height:80px;resize:vertical}.error{color:#e53e3e;font-size:.875rem;margin-top:.25rem;display:block}.error-message{color:#e53e3e;background-color:#fff5f5;padding:1rem;border-radius:6px;margin-bottom:1.5rem;border:1px solid #fed7d7}.success-message{color:#38a169;background-color:#f0fff4;padding:1rem;border-radius:6px;margin-bottom:1.5rem;border:1px solid #c6f6d5}.submit-btn{background-color:#4299e1;color:#fff;border:none;padding:.75rem 1.5rem;border-radius:6px;font-size:1rem;font-weight:500;cursor:pointer;transition:background-color .3s;width:100%}.submit-btn:hover{background-color:#3182ce}.submit-btn:disabled{background-color:#a0aec0;cursor:not-allowed}.form-footer{margin-top:2rem;text-align:center}.login-link{color:#718096;margin-top:1rem}.login-link a{color:#4299e1;text-decoration:none;font-weight:500}.login-link a:hover{text-decoration:underline}@media (max-width: 768px){.register-card{padding:1.5rem}.form-grid{grid-template-columns:1fr}}