.upload-page{max-width:800px;margin:0 auto}.upload-hero{text-align:center;margin-bottom:2rem}.upload-hero h1{font-size:32px;font-weight:700;color:#1a1a2e;margin-bottom:8px}.upload-hero p{color:#666;font-size:16px}.drop-zone{border:2px dashed #c7d2fe;border-radius:16px;padding:3rem 2rem;text-align:center;cursor:pointer;background:#fff;transition:all .2s;margin-bottom:1rem}.drop-zone:hover{border-color:#4f46e5;background:#f5f3ff}.drop-zone.dragging{border-color:#4f46e5;background:#eef2ff}.drop-zone.loading{cursor:default;background:#f9fafb}.dz-icon{font-size:48px;margin-bottom:1rem}.dz-title{font-size:18px;font-weight:600;color:#1a1a2e;margin-bottom:6px}.dz-title span{color:#4f46e5;text-decoration:underline}.dz-sub{color:#888;font-size:14px}.spinner{width:40px;height:40px;border:3px solid #e0e7ff;border-top-color:#4f46e5;border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 1rem}.error-box{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:1rem}.sample-hint{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1rem 1.25rem;margin-bottom:2rem}.sample-hint p{font-size:14px;color:#555;margin-bottom:10px}.sample-tags{display:flex;flex-wrap:wrap;gap:8px}.tag{background:#f0f9ff;border:1px solid #bae6fd;color:#0369a1;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:500}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.feature-card{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1.25rem;text-align:center}.feature-card span{font-size:28px;display:block;margin-bottom:8px}.feature-card h3{font-size:14px;font-weight:600;margin-bottom:6px;color:#1a1a2e}.feature-card p{font-size:13px;color:#888;line-height:1.5}.dashboard{max-width:1100px;margin:0 auto}.dash-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem}.dash-header h2{font-size:22px;font-weight:700;color:#1a1a2e}.dash-header p{color:#888;font-size:14px;margin-top:2px}.meta-badge{display:flex;gap:10px;align-items:center;background:#fff;border:1px solid #e8e8f0;padding:8px 16px;border-radius:10px;font-size:14px;font-weight:600}.meta-badge .pos{color:#16a34a}.meta-badge .neg{color:#dc2626}.metric-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:1.5rem}.metric-card{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1rem}.metric-label{font-size:12px;color:#888;margin-bottom:4px}.metric-value{font-size:24px;font-weight:700;color:#1a1a2e}.tabs{display:flex;gap:4px;margin-bottom:1.5rem;border-bottom:2px solid #e8e8f0;padding-bottom:0}.tabs button{padding:8px 18px;border:none;background:transparent;font-size:14px;font-weight:500;color:#888;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}.tabs button:hover{color:#4f46e5}.tabs button.active{color:#4f46e5;border-bottom-color:#4f46e5}.tab-content{animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}.section-title{font-size:16px;font-weight:600;color:#1a1a2e;margin-bottom:1rem;display:flex;align-items:center;gap:10px}.stat-block{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1.25rem;margin-bottom:1rem}.stat-block-header{display:flex;align-items:center;gap:10px;margin-bottom:1rem}.col-name{font-size:15px;font-weight:600;color:#1a1a2e}.badge{font-size:11px;padding:3px 10px;border-radius:20px;font-weight:600}.badge.red{background:#fef2f2;color:#dc2626}.badge.yellow{background:#fffbeb;color:#d97706}.badge.green{background:#f0fdf4;color:#16a34a}.badge.blue{background:#eff6ff;color:#2563eb}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:8px}.stat-item{background:#f9fafb;border-radius:8px;padding:10px}.stat-label{font-size:11px;color:#888;margin-bottom:2px}.stat-val{font-size:15px;font-weight:600;color:#1a1a2e}.top-values{display:flex;flex-direction:column;gap:6px}.top-val-row{display:grid;grid-template-columns:150px 1fr 60px;align-items:center;gap:10px;font-size:13px}.val-bar-wrap{background:#f0f0f0;border-radius:4px;height:8px;overflow:hidden}.val-bar{background:#4f46e5;height:100%;border-radius:4px;transition:width .3s}.val-count{text-align:right;color:#888;font-size:12px}.col-selector{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:1rem}.col-btn{padding:5px 14px;border:1px solid #e8e8f0;border-radius:20px;background:#fff;font-size:13px;color:#666;transition:all .15s}.col-btn:hover{border-color:#4f46e5;color:#4f46e5}.col-btn.active{background:#4f46e5;border-color:#4f46e5;color:#fff}.chart-wrap{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1.25rem}.trend-badge{font-size:13px;padding:3px 10px;border-radius:20px;font-weight:600;margin-left:8px}.trend-badge.up{background:#f0fdf4;color:#16a34a}.trend-badge.down{background:#fef2f2;color:#dc2626}.corr-table-wrap{overflow-x:auto}.corr-table{width:100%;border-collapse:collapse;font-size:13px}.corr-table th{padding:10px 14px;background:#f9fafb;border:1px solid #e8e8f0;font-weight:600;color:#555}.corr-table td{padding:10px 14px;border:1px solid #e8e8f0;font-size:13px}.corr-row-label{font-weight:600;color:#555;background:#f9fafb}.preview-wrap{overflow-x:auto}.preview-table{width:100%;border-collapse:collapse;font-size:13px}.preview-table th{text-align:left;padding:10px 14px;background:#f9fafb;border-bottom:2px solid #e8e8f0;font-weight:600;color:#555;white-space:nowrap}.preview-table td{padding:9px 14px;border-bottom:1px solid #f0f0f0;color:#1a1a2e;white-space:nowrap}.preview-table tr:hover td{background:#fafafa}.insights-btn{display:flex;align-items:center;gap:8px;padding:12px 24px;background:#4f46e5;color:#fff;border:none;border-radius:10px;font-size:15px;font-weight:600;margin-bottom:1.5rem;transition:background .15s}.insights-btn:hover{background:#4338ca}.insights-btn:disabled{opacity:.6;cursor:default}.insights-btn.secondary{background:#fff;color:#4f46e5;border:1.5px solid #4f46e5;margin-top:1rem}.insights-btn.secondary:hover{background:#eef2ff}.insights-box{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1.5rem}.insight-heading{font-weight:700;font-size:15px;color:#4f46e5;margin:1rem 0 6px;text-transform:uppercase;letter-spacing:.5px}.insight-heading:first-child{margin-top:0}.insight-line{font-size:14px;color:#333;line-height:1.7;padding-left:4px}.realdata-page{max-width:900px;margin:0 auto}.rd-hero{text-align:center;margin-bottom:2rem}.rd-hero h1{font-size:30px;font-weight:700;color:#1a1a2e;margin-bottom:8px}.rd-hero p{color:#666;font-size:15px}.type-tabs{display:flex;gap:8px;margin-bottom:1.5rem;justify-content:center}.type-tabs button{padding:8px 20px;border:1.5px solid #e8e8f0;border-radius:25px;background:#fff;font-size:14px;font-weight:500;color:#666;transition:all .15s}.type-tabs button:hover{border-color:#4f46e5;color:#4f46e5}.type-tabs button.active{background:#4f46e5;border-color:#4f46e5;color:#fff}.rd-error{background:#fef2f2;border:1px solid #fecaca;color:#dc2626;padding:12px 16px;border-radius:10px;font-size:14px;margin-bottom:1rem}.stocks-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;margin-bottom:2rem}.stock-card{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1rem 1.25rem;display:flex;align-items:center;gap:12px;transition:box-shadow .15s,border-color .15s}.stock-card:hover{border-color:#c7d2fe;box-shadow:0 2px 8px #4f46e514}.stock-flag{font-size:28px;flex-shrink:0}.stock-info{flex:1}.stock-symbol{font-size:15px;font-weight:700;color:#1a1a2e}.stock-name{font-size:12px;color:#888;margin-top:2px}.fetch-btn{padding:7px 14px;background:#4f46e5;color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;white-space:nowrap;transition:background .15s;min-width:80px;display:flex;align-items:center;justify-content:center}.fetch-btn:hover:not(:disabled){background:#4338ca}.fetch-btn:disabled{opacity:.6;cursor:default}.btn-spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.rd-info{background:#fff;border:1px solid #e8e8f0;border-radius:12px;padding:1.5rem}.rd-info h3{font-size:16px;font-weight:600;margin-bottom:1rem;color:#1a1a2e}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:10px}.info-item{background:#f9fafb;border-radius:8px;padding:10px 12px}.info-item strong{display:block;font-size:14px;color:#4f46e5;margin-bottom:2px}.info-item span{font-size:12px;color:#888}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:#fff;border-bottom:1px solid #e8e8f0;padding:0 2rem;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;box-shadow:0 1px 3px #0000000d}.nav-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:#1a1a2e;cursor:pointer}.nav-logo{font-size:20px}.nav-links{display:flex;gap:4px}.nav-links button{padding:6px 16px;border:none;background:transparent;border-radius:8px;font-size:14px;color:#666;transition:all .15s;font-weight:500}.nav-links button:hover{background:#f5f6fa;color:#1a1a2e}.nav-links button.active{background:#eef2ff;color:#4f46e5}.main-content{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.footer{text-align:center;padding:1.5rem;font-size:13px;color:#999;border-top:1px solid #e8e8f0;background:#fff;margin-top:auto}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Inter,sans-serif;background:#f5f6fa;color:#1a1a2e;min-height:100vh}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}button{cursor:pointer;font-family:inherit}input{font-family:inherit}