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4px 12px #00000026}#node-references{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.refs-link.btn-secondary{display:inline-block;text-decoration:none;text-align:center}.refs-link.btn-secondary:hover{text-decoration:none;color:var(--text-muted)}.section-description{color:var(--text-muted);margin:-1rem 0 1.5rem;font-size:.875rem}.section-description[hidden]{display:none}.reference-card .abstract{font-size:.8125rem;color:var(--text-muted);margin-top:.5rem;line-height:1.4}.line-width-input{width:50px}.tool-btn-danger:not(:disabled):hover{background:var(--danger);color:#fff;border-color:var(--danger)}.about-content{max-width:800px;margin:0 auto;padding:2rem}.about-content h2{font-size:2rem;margin-bottom:.5rem}.about-tagline{font-size:1.25rem;color:var(--text-muted);margin-bottom:2rem}.about-description{background:var(--surface);border-radius:8px;padding:1.5rem;margin-bottom:2rem}.about-description p{line-height:1.6;margin-bottom:1.5rem}.about-description h3{font-size:1.125rem;margin:1.5rem 0 .75rem;color:var(--primary)}.about-description h3:first-of-type{margin-top:0}.about-description ul,.about-description ol{margin:0;padding-left:1.5rem;line-height:1.8}.about-description li{margin-bottom:.5rem}.about-description li strong{color:var(--text)}.shortcuts-list{list-style:none;padding-left:0}.shortcuts-list li{display:flex;align-items:center;gap:.75rem}.shortcuts-list kbd{display:inline-block;padding:.25rem .5rem;font-family:monospace;font-size:.875rem;background:var(--background);border:1px solid var(--border);border-radius:4px;min-width:80px;text-align:center}.about-version{text-align:center;color:var(--text-muted);font-size:.875rem}#user-controls{display:flex;align-items:center;gap:1rem;margin-left:auto}#user-info{font-size:.875rem;color:var(--text-muted)}#auth-buttons{display:flex;gap:.5rem}.error-message{color:var(--danger);background:#ef44441a;padding:.5rem .75rem;border-radius:4px;font-size:.875rem;margin-bottom:1rem}.modal-footer-text{text-align:center;font-size:.875rem;color:var(--text-muted);margin-top:1rem}.modal-footer-text a{color:var(--primary);text-decoration:none}.modal-footer-text a:hover{text-decoration:underline}.badge{display:inline-block;padding:.125rem .5rem;font-size:.75rem;font-weight:600;border-radius:9999px;text-transform:uppercase}.badge-admin{background:#3b82f61a;color:var(--primary)}.badge-user{background:#6b72801a;color:var(--secondary)}.user-card .card-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.user-card .card-meta{margin:.25rem 0;font-size:.875rem;color:var(--text-muted)}.user-card .card-actions{margin-top:.75rem;display:flex;gap:.5rem}.text-danger{color:var(--danger)}#profile-modal hr{border:none;border-top:1px solid var(--border);margin:1.5rem 0}#profile-modal h3{font-size:1rem;margin-bottom:1rem}.settings-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;max-width:1000px}.settings-group{background:var(--surface);padding:1.5rem;border-radius:8px;box-shadow:0 1px 3px #0000001a}.settings-group h3{margin:0 0 1rem;font-size:1rem;color:var(--primary-dark);padding-bottom:.5rem;border-bottom:1px solid var(--border)}.settings-group .form-group{margin-bottom:1rem}.settings-group .form-group:last-child{margin-bottom:0}.settings-group .number-input{width:80px}[data-theme=dark]{--background: #1a1a2e;--surface: #16213e;--text: #e5e5e5;--text-muted: #a0a0a0;--border: #3a3a5c;--primary: #4f8cff;--primary-dark: #2563eb}[data-theme=dark] header{background:var(--surface);box-shadow:0 1px 3px #0000004d}[data-theme=dark] .card,[data-theme=dark] .settings-group{background:var(--surface);box-shadow:0 1px 3px #0000004d}[data-theme=dark] .modal{background:var(--surface);color:var(--text)}[data-theme=dark] input,[data-theme=dark] select,[data-theme=dark] textarea{background:var(--background);color:var(--text);border-color:var(--border)}[data-theme=dark] .panel,[data-theme=dark] .filter-bar{background:var(--surface)}[data-theme=dark] .btn-secondary{background:var(--background);border-color:var(--border);color:var(--text)}[data-theme=dark] .nav-btn{color:var(--text-muted)}[data-theme=dark] .nav-btn.active,[data-theme=dark] .nav-btn:hover{background:var(--primary);color:#fff}