*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}.upload-container{max-width:600px;margin:0 auto;padding:2rem}.drop-zone{border:3px dashed #cbd5e1;border-radius:12px;padding:4rem 2rem;text-align:center;transition:all .3s ease;background:#f8fafc;cursor:pointer}.drop-zone:hover{border-color:#3b82f6;background:#eff6ff}.drop-zone.dragging{border-color:#3b82f6;background:#dbeafe;transform:scale(1.02)}.drop-zone.uploading{border-color:#10b981;background:#f0fdf4;cursor:wait}.file-input{display:none}.file-label{cursor:pointer;display:block}.upload-icon{width:64px;height:64px;margin:0 auto 1rem;color:#64748b}.upload-text{font-size:1.125rem;font-weight:600;color:#1e293b;margin-bottom:.5rem}.upload-subtext{font-size:.875rem;color:#64748b}.spinner{width:48px;height:48px;border:4px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{to{transform:rotate(360deg)}}.error-message{display:flex;align-items:center;gap:.75rem;margin-top:1rem;padding:1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:8px;color:#991b1b;font-size:.875rem}.error-icon{width:20px;height:20px;flex-shrink:0}.strategy-card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;overflow:hidden;transition:transform .2s,box-shadow .2s;cursor:pointer}.strategy-card:hover{transform:translateY(-2px);box-shadow:0 4px 6px #0000001a}.card-header{padding:1.25rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.25rem}.strategy-type-badge{width:100%;font-size:.7rem;font-weight:500;opacity:.85;letter-spacing:.02em;color:#ffffffe6}.strategy-name{font-size:1rem;font-weight:600;margin:0}.trade-count{font-size:.875rem;opacity:.9}.card-body{padding:1.5rem}.main-metric{text-align:center;margin-bottom:1.5rem;padding-bottom:1.5rem;border-bottom:1px solid #e5e7eb}.metric-label{font-size:.75rem;font-weight:500;text-transform:uppercase;color:#6b7280;margin-bottom:.25rem;letter-spacing:.05em}.metric-value{font-size:1rem;font-weight:700;color:#1e293b}.metric-value.large{font-size:2rem}.metrics-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.metric{text-align:center}.metric.full-width{grid-column:1 / -1}.text-green{color:#10b981!important}.text-red{color:#ef4444!important}.modal-overlay{position:fixed;inset:0;background-color:#000000bf;display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:#fff;border-radius:12px;width:100%;max-width:1400px;max-height:90vh;display:flex;flex-direction:column;box-shadow:0 20px 60px #0000004d}.modal-header{display:flex;justify-content:space-between;align-items:flex-start;padding:24px;border-bottom:1px solid #e5e7eb}.modal-header h2{margin:0;font-size:24px;font-weight:600;color:#111827}.modal-subtitle{margin-top:8px;font-size:14px;color:#6b7280}.close-button{background:none;border:none;cursor:pointer;padding:8px;color:#6b7280;transition:color .2s;border-radius:6px}.close-button:hover{background-color:#f3f4f6;color:#111827}.modal-body{flex:1;overflow-y:auto;padding:0}.trades-table-container{overflow-x:auto}.trades-table{width:100%;border-collapse:collapse;font-size:14px}.trades-table thead{position:sticky;top:0;background-color:#f9fafb;z-index:10}.trades-table th{text-align:left;padding:12px 16px;font-weight:600;color:#374151;border-bottom:2px solid #e5e7eb;white-space:nowrap}.trades-table td{padding:12px 16px;border-bottom:1px solid #f3f4f6;color:#111827}.trades-table tbody tr{transition:background-color .15s}.trades-table tbody tr:hover{background-color:#f9fafb}.winning-trade{background-color:#10b9810d}.losing-trade{background-color:#ef44440d}.date-cell{font-size:13px;color:#6b7280;white-space:nowrap}.symbol-cell{font-weight:600;font-family:Monaco,Menlo,monospace;color:#111827}.description-cell{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#6b7280;font-size:13px}.quantity-cell,.price-cell,.proceeds-cell,.commission-cell{text-align:right;font-family:Monaco,Menlo,monospace;font-size:13px}.pnl-cell{text-align:right;font-weight:600;font-family:Monaco,Menlo,monospace}.modal-footer{padding:20px 24px;border-top:1px solid #e5e7eb;background-color:#f9fafb;border-radius:0 0 12px 12px}.summary-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px}.stat{display:flex;justify-content:space-between;align-items:center}.stat-label{font-size:13px;color:#6b7280;font-weight:500}.stat-value{font-size:14px;font-weight:600;font-family:Monaco,Menlo,monospace}.modal-body::-webkit-scrollbar,.trades-table-container::-webkit-scrollbar{width:8px;height:8px}.modal-body::-webkit-scrollbar-track,.trades-table-container::-webkit-scrollbar-track{background:#f1f1f1}.modal-body::-webkit-scrollbar-thumb,.trades-table-container::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}.modal-body::-webkit-scrollbar-thumb:hover,.trades-table-container::-webkit-scrollbar-thumb:hover{background:#a8a8a8}.trading-overview{margin-bottom:2rem}.overview-header{margin-bottom:1.5rem}.overview-header h2{font-size:1.5rem;font-weight:700;color:#111827;margin:0 0 .25rem}.overview-header p{font-size:.875rem;color:#6b7280;margin:0}.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:1.5rem}.category-card{background:#fff;border-radius:12px;box-shadow:0 1px 3px #0000001a;overflow:hidden;border:2px solid transparent;transition:all .2s}.category-card:hover{border-color:#667eea;box-shadow:0 4px 6px #0000001a}.category-header{background:linear-gradient(135deg,#667eea,#764ba2);padding:1.25rem;display:flex;align-items:center;gap:1rem;color:#fff}.category-icon{font-size:2rem;line-height:1}.category-title{font-size:1.125rem;font-weight:600;margin:0}.category-subtitle{font-size:.875rem;opacity:.9;margin-top:.25rem}.category-detected-strategies{font-size:.75rem;font-weight:500;opacity:.8;margin-top:.35rem;letter-spacing:.02em}.category-body{padding:1.5rem}.category-main-metric{text-align:center;margin-bottom:1.5rem;padding-bottom:1rem;border-bottom:1px solid #e5e7eb}.category-metric-label{font-size:.75rem;font-weight:500;text-transform:uppercase;color:#6b7280;margin-bottom:.5rem;letter-spacing:.05em}.category-metric-value{font-size:2rem;font-weight:700;font-family:Monaco,Menlo,monospace}.category-return-percentage{font-size:1.25rem;font-weight:600;font-family:Monaco,Menlo,monospace;margin-top:.5rem}.return-label{font-size:.875rem;font-weight:400;opacity:.8}.category-metrics-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1rem}.category-metric-sm{text-align:center}.category-metric-value-sm{font-size:1rem;font-weight:600;color:#111827;font-family:Monaco,Menlo,monospace}.category-win-loss{display:flex;justify-content:space-around;padding-top:1rem;border-top:1px solid #e5e7eb}.win-loss-item{display:flex;align-items:center;gap:.5rem}.win-loss-label{font-size:.875rem;color:#6b7280;font-weight:500}.win-loss-value{font-size:1rem;font-weight:600;font-family:Monaco,Menlo,monospace}.text-green{color:#10b981}.text-red{color:#ef4444}.dashboard{max-width:1400px;margin:0 auto;padding:2rem}.dashboard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem}.dashboard-title{font-size:2rem;font-weight:700;color:#1e293b;margin:0}.dashboard-subtitle{font-size:.875rem;color:#64748b;margin:.5rem 0 0}.reset-button{padding:.75rem 1.5rem;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:background .2s}.reset-button:hover{background:#2563eb}.portfolio-summary{background:#fff;border-radius:12px;padding:2rem;box-shadow:0 1px 3px #0000001a;margin-bottom:2rem}.section-title{font-size:1.5rem;font-weight:700;color:#1e293b;margin:0 0 1.5rem}.summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.summary-card{text-align:center;padding:1.5rem;background:#f8fafc;border-radius:8px}.summary-label{font-size:.875rem;font-weight:500;color:#64748b;margin-bottom:.5rem}.summary-value{font-size:2rem;font-weight:700;color:#1e293b}.summary-value.small{font-size:1rem}.summary-sublabel{font-size:.875rem;font-weight:600;color:#64748b;margin-top:.5rem}.chart-container{margin-top:2rem}.chart-title{font-size:1.125rem;font-weight:600;color:#1e293b;margin-bottom:1rem}.strategies-section{margin-top:2rem}.strategies-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:1.5rem}@media(max-width:768px){.dashboard{padding:1rem}.dashboard-header{flex-direction:column;align-items:flex-start;gap:1rem}.strategies-grid{grid-template-columns:1fr}.summary-grid{grid-template-columns:repeat(2,1fr)}}.sign-in-btn{background:#fff;color:#374151;border:1px solid #d1d5db;padding:.5rem 1rem;border-radius:8px;font-size:.875rem;font-weight:500;cursor:pointer;transition:background .15s}.sign-in-btn:hover{background:#f9fafb}.user-menu{position:relative}.user-avatar-btn{display:flex;align-items:center;gap:.4rem;background:none;border:none;cursor:pointer;padding:0}.user-avatar{width:36px;height:36px;border-radius:50%;object-fit:cover}.user-avatar-placeholder{width:36px;height:36px;border-radius:50%;background:#667eea;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.pro-badge{font-size:.65rem;font-weight:700;background:linear-gradient(135deg,#f59e0b,#d97706);color:#fff;padding:.1rem .35rem;border-radius:4px;letter-spacing:.05em}.user-dropdown{position:absolute;right:0;top:calc(100% + .5rem);background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 8px 24px #0000001f;min-width:220px;z-index:100;overflow:hidden}.user-dropdown hr{border:none;border-top:1px solid #f3f4f6;margin:0}.user-info{padding:1rem}.user-name{font-weight:600;font-size:.9rem;color:#111827}.user-email{font-size:.8rem;color:#6b7280;margin-top:.1rem}.user-plan{display:inline-block;font-size:.7rem;font-weight:600;padding:.15rem .5rem;border-radius:999px;margin-top:.4rem}.plan-pro{background:#fef3c7;color:#92400e}.plan-free{background:#f3f4f6;color:#6b7280}.user-dropdown button{display:block;width:100%;text-align:left;padding:.65rem 1rem;background:none;border:none;font-size:.875rem;color:#374151;cursor:pointer;transition:background .1s}.user-dropdown button:hover{background:#f9fafb}.upgrade-btn{color:#7c3aed!important;font-weight:600!important}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:1rem}.upgrade-modal{background:#fff;border-radius:16px;padding:2.5rem;max-width:420px;width:100%;text-align:center;position:relative;box-shadow:0 20px 60px #0003}.modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.1rem;cursor:pointer;color:#9ca3af}.modal-close:hover{color:#374151}.upgrade-icon{font-size:2.5rem;margin-bottom:.75rem}.upgrade-modal h2{font-size:1.5rem;font-weight:700;color:#111827;margin:0 0 .5rem}.upgrade-subtitle{color:#6b7280;font-size:.95rem;margin:0 0 1.5rem}.upgrade-plan{background:#f9fafb;border:1px solid #e5e7eb;border-radius:12px;padding:1.25rem;margin-bottom:1.5rem;text-align:left}.plan-price{font-size:2rem;font-weight:700;color:#111827;margin-bottom:1rem}.plan-period{font-size:1rem;font-weight:400;color:#6b7280}.plan-features{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.4rem}.plan-features li{font-size:.875rem;color:#374151}.upgrade-cta{width:100%;padding:.85rem;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;font-size:1rem;font-weight:600;cursor:pointer;transition:opacity .15s}.upgrade-cta:hover{opacity:.9}.upgrade-cta:disabled{opacity:.6;cursor:not-allowed}.upgrade-note{font-size:.8rem;color:#9ca3af;margin:.75rem 0 0}.history-page{max-width:700px;margin:0 auto;padding:2rem 1rem}.history-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem}.history-header h1{font-size:1.5rem;font-weight:700;color:#111827;margin:0}.back-btn{background:none;border:1px solid #e5e7eb;padding:.4rem .75rem;border-radius:8px;cursor:pointer;font-size:.875rem;color:#374151}.back-btn:hover{background:#f9fafb}.history-loading,.history-error,.history-empty{text-align:center;color:#6b7280;padding:3rem 1rem}.history-error{color:#ef4444}.history-list{display:flex;flex-direction:column;gap:.75rem}.history-card{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:1.25rem 1.5rem;display:flex;justify-content:space-between;align-items:center;cursor:pointer;transition:box-shadow .15s,border-color .15s}.history-card:hover{border-color:#667eea;box-shadow:0 2px 8px #667eea26}.history-period{font-weight:600;color:#111827;margin-bottom:.2rem}.history-account{font-size:.8rem;color:#6b7280}.history-date{font-size:.75rem;color:#9ca3af;margin-top:.2rem}.history-card-right{display:flex;align-items:center;gap:1rem}.history-pnl{font-size:1.1rem;font-weight:700}.delete-btn{background:none;border:none;cursor:pointer;font-size:1rem;opacity:.4;transition:opacity .15s;padding:.25rem}.delete-btn:hover{opacity:.8}.app{min-height:100vh;background:linear-gradient(135deg,#667eea,#764ba2)}.app-loading{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#764ba2)}.app-topbar{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1.5rem;position:sticky;top:0;z-index:50;background:#ffffff1a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.app-topbar-logo{font-weight:700;color:#fff;font-size:1rem;letter-spacing:.01em}.free-tier-note{text-align:center;color:#fffc;font-size:.875rem;margin-top:1.5rem}.inline-upgrade-btn{background:none;border:none;color:#fff;font-weight:600;text-decoration:underline;cursor:pointer;font-size:inherit;padding:0}.upload-page{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:2rem}.hero{text-align:center;margin-bottom:3rem;color:#fff}.hero-title{font-size:3rem;font-weight:800;margin:0 0 1rem;text-shadow:0 2px 4px rgba(0,0,0,.1)}.hero-subtitle{font-size:1.25rem;opacity:.95;margin:0;font-weight:400}.features{max-width:900px;margin:3rem auto 0;display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}.feature{text-align:center;color:#fff;padding:1.5rem;background:#ffffff1a;border-radius:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.feature-icon{font-size:3rem;margin-bottom:1rem}.feature h3{font-size:1.25rem;font-weight:600;margin:0 0 .5rem}.feature p{font-size:.875rem;opacity:.9;margin:0}.app-footer{text-align:center;padding:2rem 1rem 1.5rem;font-size:.8rem;color:#ffffff8c}.app-footer a{color:#ffffffb3;text-decoration:none;margin:0 .5rem}.app-footer a:hover{color:#fff;text-decoration:underline}@media(max-width:768px){.hero-title{font-size:2rem}.hero-subtitle{font-size:1rem}.features{grid-template-columns:1fr}}