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#a78bfa4d)}.welcome-title{color:var(--text-heading);letter-spacing:-.5px;margin:0;font-size:52px;font-weight:700}.welcome-viz{color:var(--accent-purple)}.welcome-subtitle{color:var(--text-special);letter-spacing:2px;font-size:20px;font-weight:400}.welcome-version{color:var(--accent-indigo);background:#6366f126;border:1px solid #6366f14d;border-radius:20px;padding:3px 12px;font-size:13px;font-weight:500}.welcome-tagline{color:var(--text-welcome-tagline);text-align:center;max-width:460px;margin:8px 0 0;font-size:16px;line-height:1.7}.welcome-features{grid-template-columns:repeat(3,1fr);gap:12px;width:100%;display:grid}.welcome-feature-card{background:var(--bg-interactive);border:1px solid var(--border-primary);border-radius:12px;flex-direction:column;align-items:center;gap:10px;padding:18px 16px;transition:border-color .3s,transform .2s;display:flex}.welcome-feature-card:hover{border-color:var(--border-hover);transform:translateY(-2px)}.welcome-feature-icon{color:#fff;background:linear-gradient(135deg,#6366f1,#a78bfa);border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:flex}.welcome-feature-tex{color:var(--text-welcome-feature);text-align:center;font-size:15px}.welcome-feature-tex .katex{font-size:1em}.welcome-feature-label{color:var(--text-welcome-label);font-size:13px}.welcome-groups{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.welcome-group-chip{background:var(--bg-interactive);border:1px solid var(--border-primary);color:var(--text-special);cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:20px;padding:6px 14px;font-size:14px;transition:border-color .3s,color .3s,background .3s}.welcome-group-chip:hover{border-color:var(--accent-indigo);color:var(--text-lang-hover)}.welcome-group-chip-active{border-color:var(--accent-purple);color:var(--text-active);background:#6366f133}.welcome-preview-backdrop{z-index:900;background:0 0;position:fixed;inset:0}.welcome-preview-popup{pointer-events:auto;animation:.22s cubic-bezier(.34,1.56,.64,1) previewPopupIn}.welcome-preview-popup.preview-entering{animation:.22s cubic-bezier(.34,1.56,.64,1) previewPopupIn}.welcome-preview-circle{width:210px;height:210px;box-shadow:var(--shadow-preview);background:var(--bg-preview-circle);border-radius:50%;overflow:hidden}.welcome-preview-pointer{border-left:12px solid #0000;border-right:12px solid #0000;border-top:16px solid var(--preview-pointer-color);filter:drop-shadow(0 4px 8px #0006);width:0;height:0;position:absolute;bottom:2px;left:50%;transform:translate(-50%)}@keyframes previewPopupIn{0%{opacity:0;transform:scale(.7)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.welcome-enter-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#a78bfa);border:none;border-radius:12px;align-items:center;gap:10px;padding:14px 40px;font-size:18px;font-weight:600;transition:transform .2s,box-shadow .2s;display:flex;box-shadow:0 4px 24px #6366f14d}.welcome-enter-btn:hover{transform:translateY(-2px);box-shadow:0 6px 32px #6366f180}.welcome-enter-btn:active{transform:translateY(0)}.welcome-enter-btn svg{transition:transform .2s}.welcome-enter-btn:hover svg{transform:translate(3px)}@media (width<=700px){.welcome-content{gap:24px;padding:24px 20px}.welcome-title{font-size:36px}.welcome-subtitle{font-size:17px}.welcome-hero{gap:10px}.welcome-logo svg{width:44px;height:44px}.welcome-logo{margin-bottom:4px}.welcome-tagline{margin-top:2px;font-size:14px}.welcome-features{grid-template-columns:repeat(2,1fr);gap:10px}.welcome-feature-card{border-radius:10px;gap:6px;padding:14px 12px}.welcome-feature-icon{width:30px;height:30px;font-size:15px}.welcome-feature-tex{font-size:13px}.welcome-feature-label{font-size:11px}.welcome-groups{gap:8px}.welcome-group-chip{padding:5px 10px;font-size:12px}.welcome-enter-btn{margin-bottom:16px;padding:12px 32px;font-size:16px}}@media (width<=440px){.welcome-content{gap:20px;min-height:min-content;padding:20px 14px}.welcome-title{font-size:30px}.welcome-subtitle{letter-spacing:1px;font-size:15px}.welcome-hero{gap:8px}.welcome-logo svg{width:38px;height:38px}.welcome-tagline{max-width:300px;font-size:13px}.welcome-version{padding:2px 10px;font-size:11px}.welcome-features{grid-template-columns:1fr 1fr;gap:8px}.welcome-feature-card{border-radius:8px;gap:5px;padding:12px 10px}.welcome-feature-icon{border-radius:6px;width:28px;height:28px;font-size:14px}.welcome-feature-tex{font-size:12px}.welcome-feature-label{font-size:11px}.welcome-groups{gap:6px}.welcome-group-chip{padding:4px 9px;font-size:11px}.welcome-enter-btn{border-radius:10px;width:auto;min-width:160px;margin-bottom:20px;padding:12px 28px;font-size:15px}.welcome-floating-symbol{display:none}}.dp-view-container{background:var(--canvas-bg);flex-direction:column;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.dp-mode-bar{background:var(--bg-secondary);border-bottom:1px solid var(--border-color);flex-shrink:0;align-items:center;gap:8px;padding:6px 12px;display:flex}.dp-mode-label{color:var(--text-muted);white-space:nowrap;font-size:12px}.dp-mode-tabs{gap:4px;display:flex}.dp-mode-tab{border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);cursor:pointer;border-radius:4px;padding:3px 10px;font-size:11px;transition:all .15s}.dp-mode-tab.active{background:var(--accent-blue);color:#fff;border-color:var(--accent-blue)}.dp-mode-tab:hover:not(.active):not(:disabled){background:var(--bg-hover)}.dp-cayley-workspace{flex:1;position:relative;overflow:hidden}.dp-svg{display:block}.dp-empty-state{text-align:center;color:var(--text-muted);z-index:2;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.dp-empty-state p{margin:0 0 4px;font-size:18px}.dp-empty-state .dp-sub{opacity:.6;font-size:13px}.dp-drag-hint{background:var(--bg-secondary);border:1px solid var(--border-color);color:var(--text-muted);z-index:2;white-space:nowrap;border-radius:6px;padding:6px 16px;font-size:12px;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.dp-animating-overlay{background:var(--accent-teal);color:#0f0f1a;z-index:3;border-radius:6px;padding:6px 20px;font-size:13px;font-weight:600;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.dp-direct-panel{flex-direction:column;flex:1;justify-content:center;align-items:center;gap:16px;padding:20px;display:flex}.dp-direct-hint{color:var(--text-muted);margin-bottom:8px;font-size:14px}.dp-direct-row{gap:24px;width:100%;max-width:600px;display:flex}.dp-direct-col{flex-direction:column;flex:1;gap:6px;display:flex}.dp-direct-label{color:var(--text-muted);font-size:12px;font-weight:600}.dp-direct-select{border:1px solid var(--border-color);background:var(--bg-primary);color:var(--text-primary);border-radius:4px;padding:6px 8px;font-size:13px}.dp-param-row{color:var(--text-muted);align-items:center;gap:8px;font-size:11px;display:flex}.dp-param-row input[type=range]{accent-color:var(--accent-blue);flex:1}.dp-direct-buttons{gap:8px;width:100%;max-width:600px;margin-top:8px;display:flex}.dp-create-btn{font-weight:600;background:var(--accent-teal)!important;color:#0f0f1a!important;border-color:var(--accent-teal)!important}.dp-table-workspace{flex-wrap:wrap;flex:1;justify-content:center;align-items:flex-start;gap:20px;padding:16px;display:flex;position:relative;overflow:auto}.dp-table-group{flex-direction:column;align-items:center;gap:8px;display:flex}.dp-table-group.single{flex-basis:100%;justify-content:center;align-items:center;max-width:none}.dp-table-workspace:has(.dp-table-group.single){align-items:center}.dp-table-label{color:var(--text-primary);font-size:13px;font-weight:600}.dp-table-actions{justify-content:center;width:100%;padding:12px;display:flex}.dp-group-select{flex-direction:column;display:flex}.badge-active{background:var(--accent-teal);color:#0f0f1a;border-radius:3px;padding:1px 6px;font-size:9px;font-weight:700}.dp-active{font-weight:600}.text-muted{color:var(--text-muted);font-style:italic}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}