:root{--primary-50: #f0f9ff;--primary-100: #e0f2fe;--primary-200: #bae6fd;--primary-300: #7dd3fc;--primary-400: #38bdf8;--primary-500: #0ea5e9;--primary-600: #0284c7;--primary-700: #0369a1;--primary-800: #075985;--primary-900: #0c4a6e;--secondary-50: #faf5ff;--secondary-100: #f3e8ff;--secondary-200: #e9d5ff;--secondary-300: #d8b4fe;--secondary-400: #c084fc;--secondary-500: #a855f7;--secondary-600: #9333ea;--secondary-700: #7e22ce;--secondary-800: #6b21a8;--secondary-900: #581c87;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--bg-primary: #0a0a0f;--bg-secondary: #13141b;--bg-tertiary: #1a1b26;--bg-elevated: #20212e;--text-primary: #ffffff;--text-secondary: #a1a1aa;--text-tertiary: #71717a;--border-primary: #27272a;--border-secondary: #3f3f46;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-2xl: 1.5rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, .25);--shadow-glow: 0 0 20px rgba(14, 165, 233, .3);--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-base: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .3s cubic-bezier(.4, 0, .2, 1);--font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;--font-mono: ui-monospace, "SFMono-Regular", "Consolas", "Liberation Mono", "Menlo", monospace;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{margin:0;font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin-bottom:var(--space-md)}h1{font-size:2.5rem}h2{font-size:2rem}h3{font-size:1.5rem}h4{font-size:1.25rem}h5{font-size:1.125rem}h6{font-size:1rem}p{margin-bottom:var(--space-md);color:var(--text-secondary)}a{color:var(--primary-500);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-400)}button{font-family:inherit;font-size:inherit;line-height:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:inherit;line-height:inherit}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--gray-700);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background:var(--gray-600)}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 var(--space-lg)}.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-sm{gap:var(--space-sm)}.gap-md{gap:var(--space-md)}.gap-lg{gap:var(--space-lg)}.text-center{text-align:center}.w-full{width:100%}.mt-auto{margin-top:auto}.gradient-bg{position:relative;overflow:hidden}.gradient-bg:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 50%,rgba(14,165,233,.15) 0%,transparent 50%),radial-gradient(circle at 80% 80%,rgba(168,85,247,.15) 0%,transparent 50%),radial-gradient(circle at 40% 20%,rgba(59,130,246,.1) 0%,transparent 50%);pointer-events:none;z-index:0}.glass{background:#1a1b26b3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.1)}.card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all var(--transition-base)}.card:hover{border-color:var(--border-secondary);transform:translateY(-2px);box-shadow:var(--shadow-lg)}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.25rem;color:var(--text-secondary)}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{transform:translate(-100%)}to{transform:translate(0)}}@keyframes spin{to{transform:rotate(360deg)}}.animate-fadeIn{animation:fadeIn .5s ease-out}.animate-slideIn{animation:slideIn .3s ease-out}.animate-spin{animation:spin 1s linear infinite}@media (max-width: 768px){html{font-size:14px}h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}.container{padding:0 var(--space-md)}}.home-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2);padding:2rem}.home-container{max-width:800px;width:100%;text-align:center}.logo-container{margin-bottom:3rem;animation:fadeInDown 1s ease-out}.home-logo{width:100%;max-width:400px;height:auto;filter:drop-shadow(0 10px 30px rgba(0,0,0,.3));animation:float 3s ease-in-out infinite}.welcome-section{margin-bottom:3rem;animation:fadeIn 1s ease-out .3s backwards}.welcome-title{font-size:3rem;font-weight:700;color:#fff;margin:0 0 1rem;text-shadow:0 4px 10px rgba(0,0,0,.3)}.welcome-subtitle{font-size:1.5rem;color:#fffffff2;margin:0;font-weight:300;text-shadow:0 2px 5px rgba(0,0,0,.2)}.fair-trade-highlight{font-weight:700;color:gold;text-shadow:0 0 15px rgba(255,215,0,.6),0 2px 5px rgba(0,0,0,.3);font-size:1.1em;letter-spacing:1px}.cta-section{animation:fadeIn 1s ease-out .6s backwards}.cta-text{font-size:2rem;color:#fff;margin:0 0 2.5rem;font-weight:500;text-shadow:0 2px 8px rgba(0,0,0,.2);min-height:3rem;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:.5rem}.platform-text{display:inline-block;font-weight:700;color:gold;text-shadow:0 0 20px rgba(255,215,0,.5);min-width:200px;transition:all .3s ease-in-out}.platform-text.fade-out{opacity:0;transform:translateY(-10px) scale(.9)}.platform-text.fade-in{opacity:1;transform:translateY(0) scale(1)}.start-now-button{font-size:1.5rem;font-weight:700;padding:1.25rem 4rem;background:#fff;color:#667eea;border:none;border-radius:50px;cursor:pointer;box-shadow:0 10px 30px #0000004d;transition:all .3s ease;text-transform:uppercase;letter-spacing:2px}.start-now-button:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 15px 40px #0006;background:gold;color:#667eea}.start-now-button:active{transform:translateY(-1px) scale(1.02)}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeInDown{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-15px)}}@media (max-width: 768px){.home-logo{max-width:280px}.welcome-title{font-size:2rem}.welcome-subtitle{font-size:1.2rem}.cta-text{font-size:1.5rem}.platform-text{min-width:150px}.start-now-button{font-size:1.2rem;padding:1rem 3rem}}@media (max-width: 480px){.home-logo{max-width:200px}.welcome-title{font-size:1.5rem}.welcome-subtitle{font-size:1rem}.cta-text{font-size:1.2rem}.platform-text{min-width:120px}.start-now-button{font-size:1rem;padding:.875rem 2.5rem}}.package-marketplace{padding:var(--space-2xl) var(--space-lg)}.packages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.package-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-lg);display:flex;flex-direction:column;transition:all 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.5rem;background:#0ea5e91a;color:var(--primary-400);border-radius:var(--radius-sm);font-size:.75rem;font-weight:500}.tag.tone{background:#8b5cf61a;color:#a78bfa}.tag.category{background:#10b9811a;color:#6ee7b7}.price{font-size:1.75rem;font-weight:700;color:var(--primary-400);margin:0 0 var(--space-md) 0}.purchase-btn{width:100%;padding:var(--space-md);background:var(--primary-500);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:background .2s}.purchase-btn:hover{background:var(--primary-600)}.package-details{background:var(--bg-tertiary);padding:var(--space-lg);border-radius:var(--radius-md);margin:var(--space-lg) 0}.detail-row{display:flex;justify-content:space-between;align-items:center;padding:var(--space-sm) 0;border-bottom:1px solid var(--border-primary)}.detail-row:last-child{border-bottom:none}.detail-row span{color:var(--text-secondary)}.detail-row strong{color:var(--text-primary)}.price-box{background:var(--bg-tertiary);padding:var(--space-lg);border-radius:var(--radius-md);margin:var(--space-lg) 0;text-align:center}.price-large{font-size:2.5rem;font-weight:700;color:var(--primary-400);margin:0}.mock-notice{background:#0ea5e91a;padding:var(--space-md);border-radius:var(--radius-md);font-size:.875rem;color:var(--primary-400);margin-bottom:var(--space-lg)}.error-message{background:#ef44441a;color:#f87171;padding:var(--space-md);border-radius:var(--radius-md);font-size:.875rem;margin-bottom:var(--space-lg)}.success-icon{font-size:4rem;text-align:center;margin-bottom:var(--space-md)}.modal-actions{display:flex;gap:var(--space-md);margin-top:var(--space-lg)}.modal-actions button{flex:1;padding:var(--space-md);border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all 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.2s}.filters-card>button:hover{background:#4338ca}.filters-card>button:disabled{background:#9ca3af;cursor:not-allowed}.results-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000001a}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.results-header h3{margin:0;color:#333}.results-header button{padding:.5rem 1rem;background:#6b7280;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.875rem}.results-header button:hover{background:#4b5563}.table-container{overflow-x:auto;margin-bottom:1rem}table{width:100%;border-collapse:collapse;font-size:.875rem}thead{background:#f3f4f6}th{text-align:left;padding:.75rem;font-weight:600;color:#374151;border-bottom:2px solid #E5E7EB}td{padding:.75rem;border-bottom:1px solid #E5E7EB;color:#374151}tbody tr:hover{background:#f9fafb}td input[type=checkbox]{cursor:pointer}.pagination{display:flex;justify-content:center;align-items:center;gap:1rem;margin-top:1rem}.pagination button{padding:.5rem 1rem;background:#6b7280;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.875rem}.pagination button:hover:not(:disabled){background:#4b5563}.pagination button:disabled{background:#d1d5db;cursor:not-allowed}.pagination span{color:#374151;font-size:.875rem}.sidebar-panel{position:sticky;top:2rem;align-self:start}.summary-card{background:#fff;border-radius:8px;padding:1.5rem;box-shadow:0 2px 4px #0000001a}.summary-card h3{margin-top:0;margin-bottom:1rem;color:#333;font-size:1.1rem}.stat{margin-bottom:.75rem;color:#555;font-size:.95rem}.stat strong{color:#333}.breakdown{margin-top:1rem;margin-bottom:1rem}.breakdown strong{display:block;margin-bottom:.5rem;color:#333}.breakdown ul{margin:0;padding-left:1.5rem;font-size:.875rem;color:#555}.breakdown li{margin-bottom:.25rem}.summary-card hr{border:none;border-top:1px solid #E5E7EB;margin:1.5rem 0}.package-form{display:flex;flex-direction:column;gap:1rem}.package-form>div{display:flex;flex-direction:column}.package-form label{font-size:.875rem;font-weight:500;margin-bottom:.25rem;color:#555}.package-form input,.package-form textarea{padding:.5rem;border:1px solid #d0d0d0;border-radius:4px;font-size:.875rem;font-family:inherit}.package-form textarea{resize:vertical}.primary-button{padding:.75rem 1.5rem;background:#10b981;color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:600;font-size:.95rem;transition:background .2s}.primary-button:hover:not(:disabled){background:#059669}.primary-button:disabled{background:#9ca3af;cursor:not-allowed}.secondary-button{padding:.75rem 1.5rem;background:#6b7280;color:#fff;border:none;border-radius:4px;cursor:pointer;font-weight:500;font-size:.95rem;transition:background .2s}.secondary-button:hover:not(:disabled){background:#4b5563}.secondary-button:disabled{background:#d1d5db;cursor:not-allowed}.packages-view{background:#fff;border-radius:8px;padding:2rem;box-shadow:0 2px 4px #0000001a}.packages-view h2{margin-top:0;margin-bottom:1.5rem;color:#333}.badge-published{display:inline-block;padding:.25rem .75rem;background:#d1fae5;color:#065f46;border-radius:12px;font-size:.75rem;font-weight:600}.badge-draft{display:inline-block;padding:.25rem .75rem;background:#fef3c7;color:#92400e;border-radius:12px;font-size:.75rem;font-weight:600}.actions{display:flex;gap:.5rem}.actions button{padding:.4rem .8rem;background:#6b7280;color:#fff;border:none;border-radius:4px;cursor:pointer;font-size:.75rem;white-space:nowrap}.actions button:hover{background:#4b5563}.actions button.danger{background:#ef4444}.actions button.danger:hover{background:#dc2626}@media (max-width: 1200px){.browser-view{grid-template-columns:1fr}.sidebar-panel{position:static}}@media (max-width: 768px){.filters-grid{grid-template-columns:1fr}.results-header{flex-direction:column;align-items:flex-start;gap:1rem}.table-container{font-size:.75rem}th,td{padding:.5rem}}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-primary)}.navbar{background:#fff;border-bottom:1px solid #e5e7eb;padding:var(--space-lg) var(--space-xl);position:sticky;top:0;z-index:100;animation:slideIn .3s ease-out;box-shadow:0 1px 3px #0000001a}.navbar .container{display:flex;justify-content:space-between;align-items:center}.navbar img{height:40px;display:block}.navbar h1{margin:0;font-size:1.5rem;font-weight:700;background:linear-gradient(135deg,var(--primary-400) 0%,var(--secondary-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;display:flex;align-items:center;gap:var(--space-sm)}.nav-links{display:flex;gap:var(--space-md);align-items:center}.nav-links a{color:var(--primary-800);text-decoration:none;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);transition:all var(--transition-base);font-weight:500;position:relative}.nav-links a:hover,.nav-links a.active{color:var(--primary-600);background:var(--primary-50)}.nav-links button{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none;padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);font-weight:600;transition:all var(--transition-base);box-shadow:0 2px 8px #ef444433}.nav-links button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ef44444d}.main-content{flex:1;padding:var(--space-2xl);width:100%;animation:fadeIn .5s ease-out}.auth-container{max-width:480px;margin:var(--space-3xl) auto;padding:var(--space-2xl);animation:fadeIn .6s ease-out}.auth-container h2{font-size:2.5rem;text-align:center;margin-bottom:var(--space-sm);background:linear-gradient(135deg,var(--primary-400) 0%,var(--secondary-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.auth-container p{text-align:center;color:var(--text-secondary);margin-bottom:var(--space-2xl)}.auth-form{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);padding:var(--space-2xl);display:flex;flex-direction:column;gap:var(--space-lg);box-shadow:var(--shadow-xl)}.auth-form label{display:block;color:var(--text-secondary);font-size:.875rem;font-weight:500;margin-bottom:var(--space-xs);text-transform:uppercase;letter-spacing:.05em}.auth-form input,.auth-form textarea{width:100%;padding:var(--space-md) var(--space-lg);border:1px solid var(--border-primary);border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;transition:all var(--transition-base)}.auth-form input:focus,.auth-form textarea:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px #0ea5e91a;background:var(--bg-elevated)}.auth-form input::placeholder,.auth-form textarea::placeholder{color:var(--text-tertiary)}.auth-form button{width:100%;padding:var(--space-md) var(--space-lg);background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;font-size:1rem;transition:all var(--transition-base);box-shadow:0 4px 12px #0ea5e94d;position:relative;overflow:hidden}.auth-form button:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);transition:left .5s}.auth-form button:hover:before{left:100%}.auth-form button:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0ea5e966}.auth-form button:active{transform:translateY(0)}.auth-form button:disabled{opacity:.6;cursor:not-allowed;transform:none}.role-selector{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md);margin:var(--space-md) 0}.role-option{position:relative;cursor:pointer}.role-option input[type=radio]{position:absolute;opacity:0;width:0;height:0}.role-option label{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-lg);border:2px solid var(--border-primary);border-radius:var(--radius-lg);background:var(--bg-tertiary);transition:all var(--transition-base);cursor:pointer;text-transform:none;letter-spacing:normal;font-size:1rem;gap:var(--space-sm)}.role-option input[type=radio]:checked+label{border-color:var(--primary-500);background:#0ea5e91a;box-shadow:0 0 0 3px #0ea5e91a}.role-option label:hover{border-color:var(--primary-400)}.role-icon{font-size:2rem}.error{color:var(--error);padding:var(--space-md);background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-md);font-size:.875rem;animation:fadeIn .3s ease-out}.success{color:var(--success);padding:var(--space-md);background:#10b9811a;border:1px solid rgba(16,185,129,.2);border-radius:var(--radius-md);font-size:.875rem;animation:fadeIn .3s ease-out}.seller-dashboard{max-width:1200px;margin:0 auto;animation:fadeIn .5s ease-out}.seller-dashboard>h2{font-size:2.5rem;margin-bottom:var(--space-2xl);text-align:center}.upload-section{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);padding:var(--space-2xl);margin-bottom:var(--space-2xl);box-shadow:var(--shadow-lg)}.upload-section h3{font-size:1.5rem;margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm)}.upload-form{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.upload-form .form-group-full{grid-column:1 / -1}.upload-form label{display:block;color:var(--text-secondary);font-size:.875rem;font-weight:500;margin-bottom:var(--space-xs);text-transform:uppercase;letter-spacing:.05em}.upload-form input,.upload-form textarea{width:100%;padding:var(--space-md) var(--space-lg);border:1px solid var(--border-primary);border-radius:var(--radius-md);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;transition:all var(--transition-base)}.upload-form input:focus,.upload-form textarea:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px #0ea5e91a;background:var(--bg-elevated)}.upload-form input::placeholder,.upload-form textarea::placeholder{color:var(--text-tertiary)}.upload-form textarea{min-height:120px;resize:vertical;font-family:inherit}.upload-form input[type=number]{appearance:textfield}.upload-form input[type=number]::-webkit-inner-spin-button,.upload-form input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.upload-form button[type=submit]{grid-column:1 / -1;background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;padding:var(--space-md) var(--space-xl);border-radius:var(--radius-md);font-weight:600;font-size:1rem;cursor:pointer;transition:all var(--transition-base);box-shadow:0 4px 12px #0ea5e94d}.upload-form button[type=submit]:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0ea5e966}.datasets-list{margin-top:var(--space-2xl)}.datasets-list h3{font-size:1.5rem;margin-bottom:var(--space-lg)}.datasets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:var(--space-lg)}.dataset-card{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all var(--transition-base);cursor:pointer}.dataset-card:hover{border-color:var(--border-secondary);transform:translateY(-4px);box-shadow:var(--shadow-xl)}.dataset-card h4{margin-top:0;margin-bottom:var(--space-md);font-size:1.25rem;color:var(--text-primary)}.dataset-card p{color:var(--text-secondary);font-size:.875rem;margin-bottom:var(--space-md);line-height:1.6}.dataset-card .price{font-size:1.75rem;font-weight:700;background:linear-gradient(135deg,var(--primary-400) 0%,var(--secondary-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:var(--space-lg) 0}.dataset-card .status{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-xs) var(--space-md);border-radius:var(--radius-full);font-size:.875rem;font-weight:600}.dataset-card .status.published{background:#10b9811a;color:var(--success)}.dataset-card .status.draft{background:#f59e0b1a;color:var(--warning)}.dataset-card .status.status-draft{background:#9ca3af1a;color:#6b7280}.dataset-card .status.status-appraised{background:#3b82f61a;color:#2563eb}.dataset-card .status.status-paid{background:#10b9811a;color:#059669}.dataset-card button{width:100%;padding:var(--space-md);background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;border:none;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:all var(--transition-base);margin-top:var(--space-md)}.dataset-card button:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0ea5e966}.modal-overlay{position:fixed;inset:0;background:#0a0a0fe6;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s ease-out}.modal{background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:var(--radius-xl);padding:var(--space-2xl);max-width:600px;width:90%;box-shadow:var(--shadow-2xl);animation:fadeIn .3s ease-out}.modal h3{margin-top:0;margin-bottom:var(--space-lg);font-size:1.75rem}.modal .price-large{font-size:3rem;font-weight:700;background:linear-gradient(135deg,var(--primary-400) 0%,var(--secondary-400) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:var(--space-lg) 0}.modal-actions{display:flex;gap:var(--space-md);margin-top:var(--space-xl)}.modal-actions button{flex:1;padding:var(--space-md) var(--space-lg);border:none;border-radius:var(--radius-md);cursor:pointer;font-size:1rem;font-weight:600;transition:all var(--transition-base)}.modal-actions button:first-child{background:linear-gradient(135deg,var(--primary-500) 0%,var(--primary-600) 100%);color:#fff;box-shadow:0 4px 12px #0ea5e94d}.modal-actions button:first-child:hover{transform:translateY(-2px);box-shadow:0 6px 20px #0ea5e966}.modal-actions button:last-child{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-primary)}.modal-actions button:last-child:hover{background:var(--bg-elevated);color:var(--text-primary)}.empty-state{text-align:center;padding:var(--space-3xl) var(--space-xl);color:var(--text-secondary)}.empty-state-icon{font-size:4rem;margin-bottom:var(--space-lg);opacity:.5}.empty-state p{font-size:1.125rem}@media (max-width: 1024px){.datasets-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.upload-form{grid-template-columns:1fr}}@media (max-width: 768px){.navbar{padding:var(--space-md) var(--space-lg)}.navbar h1{font-size:1.25rem}.nav-links{gap:var(--space-sm)}.nav-links a,.nav-links button{padding:var(--space-xs) var(--space-md);font-size:.875rem}.main-content{padding:var(--space-lg)}.auth-container{margin:var(--space-xl) auto;padding:var(--space-lg)}.datasets-grid,.role-selector{grid-template-columns:1fr}.modal{width:95%;padding:var(--space-lg)}.modal-actions{flex-direction:column}.seller-registration{padding:var(--space-lg)}}.seller-registration{padding:var(--space-2xl);max-width:900px;margin:0 auto}.registration-step{background:#fff;padding:var(--space-2xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);margin-bottom:var(--space-xl)}.registration-step h3{margin:0 0 var(--space-md) 0;font-size:1.5rem;color:var(--text-primary)}.registration-step h4{margin:var(--space-lg) 0 var(--space-sm) 0;font-size:1.125rem;color:var(--text-primary)}.registration-step h5{margin:var(--space-md) 0 var(--space-xs) 0;font-size:1rem;color:var(--text-primary)}.registration-step label{display:block;font-weight:600;margin-bottom:var(--space-xs);color:var(--text-primary)}.registration-step input,.registration-step textarea,.registration-step select{width:100%;padding:var(--space-md);border:1px solid var(--border-primary);border-radius:var(--radius-md);font-size:1rem;transition:all var(--transition-base);background:#fff}.registration-step input:focus,.registration-step textarea:focus,.registration-step select:focus{outline:none;border-color:var(--primary-500);box-shadow:0 0 0 3px var(--primary-bg)}