:root{--bg-base: #FFFFFF;--bg-surface: #F8F9FA;--bg-elevated: #F0F2F5;--bg-hover: #E8EBF0;--border-subtle: #E2E6EC;--border-default:#D0D5DE;--border-strong: #B0B8C8;--text-primary: #0D1117;--text-secondary:#4A5568;--text-tertiary: #718096;--accent: #2563EB;--accent-hover: #1D4ED8;--accent-dim: rgba(37,99,235,.08);--accent-border: rgba(37,99,235,.2);--success: #34C77B;--success-dim: rgba(52,199,123,.1);--success-border:rgba(52,199,123,.25);--warning: #F5A623;--error: #E8485A;--shadow-sm: 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.12);--shadow-lg: 0 8px 32px rgba(0,0,0,.16);--ease-fast: cubic-bezier(.4, 0, .2, 1);--ease-layout: cubic-bezier(.4, 0, .2, 1);--ease-enter: cubic-bezier(.22, 1, .36, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{font-family:Inter,-apple-system,sans-serif;font-size:13px;line-height:1.5;background:var(--bg-base);color:var(--text-primary);-webkit-font-smoothing:antialiased}input,textarea,button{font-family:inherit}.screen{display:none;min-height:100vh;flex-direction:column}.screen.active{display:flex}#screen-login{align-items:center;justify-content:center;background:radial-gradient(circle at 15% 20%,rgba(37,99,235,.09),transparent 45%),radial-gradient(circle at 85% 10%,rgba(139,92,246,.08),transparent 35%),var(--bg-base)}.login-main{width:100%;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.login-card{width:100%;max-width:420px;background:#ffffffeb;border:1px solid var(--border-default);border-radius:16px;box-shadow:0 20px 40px #0f172a14,var(--shadow-md);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);padding:28px}.login-wordmark{display:flex;align-items:center;gap:10px;margin-bottom:8px}.login-wordmark-icon{width:34px;height:34px;background:linear-gradient(135deg,var(--accent) 0%,#8B5CF6 100%);border-radius:9px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;box-shadow:0 6px 14px #2563eb40}.login-wordmark-name{font-size:28px;font-weight:700;letter-spacing:-.8px;color:var(--text-primary)}.login-subtitle{color:var(--text-secondary);font-size:13px;margin-bottom:20px}.login-form{display:flex;flex-direction:column;gap:8px}.login-form label{font-size:12px;font-weight:600;color:var(--text-secondary);margin-top:4px}.login-form input{width:100%;padding:11px 12px;border:1px solid var(--border-default);border-radius:9px;outline:none;background:var(--bg-surface);color:var(--text-primary);transition:border-color .15s var(--ease-fast),box-shadow .15s var(--ease-fast)}.login-form input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.login-btn{width:100%;margin-top:10px;justify-content:center}.login-demo-row{display:flex;gap:8px;margin-top:8px}.login-demo-row .btn{flex:1;justify-content:center}.login-error{display:none;margin-top:12px;padding:10px 12px;border:1px solid #FECACA;border-radius:8px;background:#fef2f2;color:#991b1b;font-size:12px}.login-note{margin-top:12px;font-size:11px;color:var(--text-tertiary)}.top-bar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;border-bottom:1px solid var(--border-subtle);flex-shrink:0}.wordmark{display:flex;align-items:center;gap:8px}.wordmark-icon{width:28px;height:28px;background:linear-gradient(135deg,var(--accent) 0%,#8B5CF6 100%);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;box-shadow:0 2px 8px #2563eb40}.wordmark-name{font-size:15px;font-weight:700;color:var(--text-primary);letter-spacing:-.3px}.top-bar-right{display:flex;align-items:center;gap:10px}.badge-version{font-size:11px;font-weight:500;color:var(--text-tertiary);padding:3px 10px;border:1px solid var(--border-default);border-radius:20px}.badge-gpt{font-size:11px;font-weight:500;color:var(--text-secondary);padding:3px 10px;border:1px solid var(--border-default);border-radius:20px;display:flex;align-items:center;gap:5px}.badge-gpt:before{content:"";width:5px;height:5px;border-radius:50%;background:var(--success);box-shadow:0 0 6px var(--success)}.btn{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;border:1px solid var(--border-default);background:var(--bg-elevated);color:var(--text-primary);transition:all .15s var(--ease-fast);text-decoration:none;white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:hover{background:var(--bg-hover);border-color:var(--border-strong)}.btn:active{transform:scale(.97)}.btn-primary{background:var(--accent);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 1px 2px #0000001a,inset 0 1px #ffffff1f}.btn-primary:hover{background:var(--accent-hover);border-color:transparent;transform:translateY(-1px);box-shadow:0 4px 12px #2563eb59}.btn-primary:active{transform:translateY(0) scale(.97);box-shadow:var(--shadow-sm)}.btn-ghost{background:transparent;border-color:transparent;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-elevated);color:var(--text-primary);border-color:transparent}.btn-danger{color:var(--error);border-color:#e8485a33;background:#e8485a0d}.btn-danger:hover{background:#e8485a1a;border-color:#e8485a4d}.btn-generate{width:100%;max-width:400px;padding:13px 32px;font-size:15px;font-weight:600;border-radius:10px;letter-spacing:-.1px;box-shadow:0 1px 2px #0000001a,inset 0 1px #ffffff1f;justify-content:center}.btn-generate:hover{box-shadow:0 6px 20px #2563eb59;transform:translateY(-2px)}.btn-generate:disabled{opacity:.35;cursor:not-allowed;transform:none!important;box-shadow:none!important}.btn-generate.loading{opacity:.7;cursor:not-allowed}.btn-generate.loading:after{content:"";width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;margin-left:4px}.upload-main{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:48px 24px 32px;gap:40px}.upload-hero{text-align:center;max-width:540px}.upload-hero h1{font-size:32px;font-weight:600;line-height:1.2;letter-spacing:-.8px;color:var(--text-primary);margin-bottom:14px}.upload-hero p{font-size:15px;color:var(--text-secondary);line-height:1.65;max-width:480px;margin:0 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#2563EB;background:#2563eb0a;transform:scale(1.01)}.dropzone.has-file{border:1.5px solid var(--success);background:var(--success-dim)}.dropzone.has-file .dz-icon{transform:scale(1.02)}.flat-icon-svg{display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.dz-icon{font-size:28px;margin-bottom:4px;transition:transform .2s var(--ease-enter);color:var(--icon-neutral);display:flex;align-items:center;justify-content:center}.dz-icon-svg{width:28px;height:28px}.dropzone:hover .dz-icon{transform:translateY(-2px)}.dz-title{font-size:13px;font-weight:600;color:var(--text-primary)}.dz-sub{font-size:12px;color:var(--text-tertiary)}.dz-types{font-size:11px;color:var(--text-tertiary);background:var(--bg-elevated);padding:2px 10px;border-radius:20px;border:1px solid var(--border-subtle);margin-top:2px}.optional-badge{position:absolute;top:10px;right:10px;font-size:10px;font-weight:600;color:var(--text-tertiary);background:var(--bg-elevated);border:1px solid var(--border-subtle);padding:2px 8px;border-radius:20px;letter-spacing:.3px;text-transform:uppercase}.file-chosen{display:none;align-items:center;gap:5px;font-size:12px;font-weight:600;color:var(--success);margin-top:4px;animation:fadeSlideUp .3s var(--ease-enter);position:relative;cursor:default}.file-chosen.visible{display:flex}.file-chosen.has-tooltip .file-tooltip{display:none;position:absolute;left:50%;top:calc(100% + 8px);transform:translate(-50%);background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:8px;padding:8px 10px;font-size:12px;font-weight:500;box-shadow:var(--shadow-md);z-index:10;min-width:220px;max-width:320px;text-align:left}.file-chosen.has-tooltip:hover .file-tooltip{display:block}.file-chosen.has-tooltip .file-tooltip:before{content:"";position:absolute;left:50%;top:-12px;transform:translate(-50%);border:6px solid transparent;border-bottom-color:var(--border-subtle);z-index:11}.file-tooltip-line{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px}@keyframes fadeSlideUp{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes fileAccepted{0%{box-shadow:0 0 #34c77b99}50%{box-shadow:0 0 0 8px #34c77b00}to{box-shadow:none}}.dropzone.file-accepted-flash{animation:fileAccepted .5s var(--ease-enter)}.upload-cta{display:flex;flex-direction:column;align-items:center;gap:14px;width:100%}.upload-footnote{font-size:12px;color:var(--text-tertiary);display:flex;align-items:center;gap:6px}.upload-footnote:before{content:"🔒";font-size:11px}.upload-error{display:none;background:#fef2f2;border:1px solid #FECACA;color:#991b1b;padding:12px 16px;border-radius:8px;font-size:13px;max-width:680px;width:100%;text-align:center}#screen-processing{align-items:center;justify-content:center;background:var(--bg-base)}.processing-wrap{text-align:center;max-width:420px;width:90%;padding:24px}.processing-icon{width:48px;height:48px;border:4px solid #E2E6EC;border-top-color:var(--accent);border-radius:50%;margin:0 auto 24px;animation:spin .8s linear infinite}.processing-title{font-size:22px;font-weight:600;letter-spacing:-.4px;color:var(--text-primary);margin-bottom:8px}.processing-sub{font-size:13px;color:var(--text-secondary);margin-bottom:32px}.progress-track{height:4px;background:var(--border-default);border-radius:20px;overflow:hidden;margin-bottom:32px}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-hover));border-radius:20px;transition:width .8s cubic-bezier(.4,0,.2,1);width:3%}.steps{display:flex;flex-direction:column;gap:0;text-align:left;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:10px;overflow:hidden}.step{display:flex;align-items:center;gap:12px;padding:13px 16px;font-size:13px;color:var(--text-tertiary);border-bottom:1px solid var(--border-subtle);transition:color .2s ease;opacity:0;transform:translateY(8px)}.step:last-child{border-bottom:none}.step.visible{animation:stepEntrance .4s var(--ease-enter) forwards}.step.visible:nth-child(2){animation-delay:.2s}.step.visible:nth-child(3){animation-delay:.4s}@keyframes stepEntrance{to{opacity:1;transform:translateY(0)}}.step.active{color:var(--text-primary)}.step.done{color:var(--success)}.step-dot{width:22px;height:22px;border-radius:50%;background:var(--bg-elevated);border:1.5px solid var(--border-default);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;transition:all .2s ease;color:var(--text-tertiary)}.step.active .step-dot{background:var(--accent);border-color:transparent;color:#fff;animation:dotPulse 1.5s ease-in-out infinite}.step.done .step-dot{background:var(--success);border-color:transparent;color:#fff}@keyframes dotPulse{0%,to{box-shadow:0 0 #4f7ef766}60%{box-shadow:0 0 0 6px #4f7ef700}}.step-spinner{width:12px;height:12px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:none}.step.active .step-spinner{display:block}.step.active .step-number{display:none}.processing-footer{margin-top:20px;font-size:12px;color:var(--text-tertiary)}#screen-results{background:#b6bbc6;min-height:100vh;height:100vh;overflow:hidden;padding:16px}.results-topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border:1px solid #d8dce5;border-radius:14px;background:#f8f9fc;flex-shrink:0;gap:16px;flex-wrap:wrap;margin-bottom:12px}.results-topbar-left{display:flex;align-items:center;gap:16px}.results-wordmark{display:flex;align-items:center;gap:7px;text-decoration:none;cursor:pointer}.results-wordmark-icon{width:30px;height:30px;border-radius:999px;background:linear-gradient(145deg,#c5d3ef,#99afd5);color:#122035;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700}.results-wordmark-name{font-size:13px;font-weight:700;color:var(--text-primary)}.results-divider-v{width:1px;height:20px;background:var(--border-default)}.results-project-name{font-size:13px;font-weight:500;color:var(--text-secondary)}.results-topbar-actions{display:flex;align-items:center;gap:8px}#screen-results .topbar-project-switcher{position:relative}#screen-results .topbar-sw-btn{display:flex;align-items:center;gap:7px;padding:5px 10px 5px 6px;background:var(--bg-hover);border:1px solid var(--border-default);border-radius:8px;cursor:pointer;font-size:13px;color:var(--text-primary);white-space:nowrap;transition:background .12s,border-color .12s}#screen-results .topbar-sw-btn:hover{background:var(--bg-elevated);border-color:var(--border-strong)}#screen-results .topbar-sw-avatar{width:22px;height:22px;background:var(--forge-sidebar-active);border-radius:5px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;flex-shrink:0}#screen-results .topbar-sw-label{font-weight:500;max-width:160px;overflow:hidden;text-overflow:ellipsis}#screen-results .topbar-sw-chevron{font-size:8px;color:var(--text-tertiary);transition:transform .15s;flex-shrink:0}#screen-results .topbar-sw-chevron.open{transform:rotate(180deg)}#screen-results .topbar-sw-dropdown{position:absolute;top:calc(100% + 6px);right:0;min-width:220px;background:var(--bg-surface);border:1px solid var(--border-default);border-radius:10px;z-index:400;overflow:hidden;box-shadow:0 8px 24px #0f172a21}#screen-results .sw-item{padding:9px 12px;font-size:12px;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;gap:8px}#screen-results .sw-item:hover{background:var(--bg-hover)}#screen-results .sw-item.sw-active{font-weight:500}#screen-results .sw-check{color:var(--accent);font-size:11px;width:13px;flex-shrink:0}#screen-results .sw-divider{height:1px;background:var(--border-default);margin:3px 0}#screen-results .sw-new{color:var(--text-secondary);font-size:12px}#screen-results .sw-new:hover{color:var(--text-primary)}.theme-toggle-btn{width:85px;justify-content:left}.model-summary{display:flex;align-items:center;gap:0;padding:0 12px;background:#f8f9fc;border:1px solid #d8dce5;border-radius:14px;overflow-x:auto;flex-shrink:0;margin-bottom:12px}.summary-stat{display:flex;align-items:center;gap:10px;padding:10px 16px;border-right:1px solid #e5e8ef}.summary-stat:last-child{border-right:none}.stat-value{font-size:22px;font-weight:700;color:var(--accent);letter-spacing:-.5px;line-height:1;min-width:32px}.stat-label{font-size:11px;color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.5px;font-weight:600}.complexity-chip{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.complexity-Simple{background:var(--success-dim);color:var(--success);border:1px solid var(--success-border)}.complexity-Medium{background:#f5a6231a;color:var(--warning);border:1px solid rgba(245,166,35,.25)}.complexity-Complex{background:var(--accent-dim);color:var(--accent);border:1px solid var(--accent-border)}.results-layout{display:flex;flex:1;overflow:hidden;min-height:0;gap:12px;background:transparent}.results-sidebar{width:250px;flex-shrink:0;background:#f8f9fc;border:1px solid var(--forge-sidebar-border);border-radius:12px;box-shadow:0 4px 12px #0f172a14;display:flex;flex-direction:column;padding:14px 10px 10px;color:#1f2937;transition:width .18s var(--ease-fast),padding .18s var(--ease-fast)}.results-sidebar-header{display:flex;align-items:center;gap:8px;padding:0 6px 8px;margin-bottom:2px}.sidebar-collapse-btn{width:34px;height:34px;margin:0;border:1px solid #d5dbe6;background:#fff;color:#334155;border-radius:10px;font-size:14px;line-height:1;cursor:pointer}.sidebar-collapse-btn:hover{background:#f2f5fa;color:#0f172a}.results-sidebar-title{font-size:13px;font-weight:700;color:#1f2937;letter-spacing:-.1px;margin-right:auto}.sidebar-auto-refresh{margin-left:auto;display:none;align-items:center;gap:6px;padding:3px 8px;border-radius:999px;border:1px solid #cfd8e8;background:#ecf2ff;color:#1e3a8a;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.45px}.sidebar-auto-refresh.is-visible{display:inline-flex}.sidebar-auto-refresh-spinner{width:11px;height:11px;border-radius:50%;border:1.6px solid currentColor;border-right-color:transparent;animation:spin .7s linear infinite}.results-sidebar-group-label{padding:10px 10px 4px;font-size:11px;text-transform:uppercase;letter-spacing:.7px;color:#6b7280}.sidebar-tab{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;font-size:13px;font-weight:500;color:#334155;cursor:pointer;border:1px solid transparent;transition:all .16s var(--ease-fast);-webkit-user-select:none;user-select:none;margin:2px 0}.sidebar-tab:hover{color:#0f172a;background:#edf1f7}.sidebar-tab.active{color:#fff;border-color:#20293b;background:linear-gradient(90deg,#2b3445,#252f40);box-shadow:0 1px 2px #0f172a38}.sidebar-tab-icon{font-size:13px;width:16px;text-align:center;color:#64748b;flex-shrink:0}.sidebar-tab-icon-svg{width:16px;height:16px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.sidebar-tab-label{white-space:nowrap}.tab-stale-pill{margin-left:auto;display:none;align-items:center;justify-content:center;gap:5px;font-size:9px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;border-radius:999px;padding:2px 7px;background:#fef3c7;border:1px solid #F59E0B;color:#8a5800}.tab-stale-pill:before{content:"";width:9px;height:9px;border-radius:50%;border:1.5px solid currentColor;border-right-color:transparent;animation:spin .7s linear infinite}.sidebar-tab.active .tab-stale-pill{background:#1f2937;border-color:#1f2937;color:#fff}.sidebar-tab.tab-is-stale .sidebar-tab-icon{color:#8a5800}.sidebar-tab.active .sidebar-tab-icon{color:#fff}.sidebar-spacer{flex:1}.sidebar-utility-btn{margin:8px 6px 10px;border:1px solid #d5dbe6;background:#fff;color:#1f2937;border-radius:9px;font-size:12px;font-weight:600;padding:9px 10px;cursor:pointer}.sidebar-utility-btn:hover{background:#f2f5fa}.results-sidebar-profile{margin:0 6px 2px;padding-top:10px;border-top:1px solid #e5e8ef;display:flex;align-items:center;gap:10px;width:calc(100% - 12px);background:transparent;border-left:0;border-right:0;border-bottom:0;text-align:left;cursor:pointer;border-radius:10px;transition:background .14s var(--ease-fast),box-shadow .14s var(--ease-fast)}.results-sidebar-profile:hover{background:#f2f5fa}.results-sidebar-profile:focus-visible{outline:2px solid 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