:root{--bg: #0e1116;--panel: #161b22;--panel2: #1c232c;--border: #30363d;--text: #e6edf3;--text-dim: #8b949e;--accent: #58a6ff;--accent-warm: #f0883e;--danger: #f85149;--success: #3fb950;--hbond: #f85149;--constraint: #f0883e;--reactive: #a371f7;--water: #4ea1ff}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:14px}button{font:inherit;color:var(--text);background:var(--panel2);border:1px solid var(--border);border-radius:6px;padding:6px 12px;cursor:pointer;transition:background .15s,border-color .15s}button:hover:not(:disabled){background:#243040;border-color:var(--accent)}button:disabled{cursor:not-allowed;opacity:.5}button.primary{background:var(--accent);border-color:var(--accent);color:#0e1116}button.primary .dim{color:#2a3340}button.primary:hover:not(:disabled){background:#79b8ff}button.danger{border-color:var(--danger);color:var(--danger)}input,select{font:inherit;color:var(--text);background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:6px 10px}input:focus,select:focus{outline:none;border-color:var(--accent)}.app{display:grid;grid-template-columns:320px 1fr 360px;height:100vh;overflow:hidden}.viewer-panel{position:relative;background:#0a0d12;overflow:hidden}.viewer-canvas{position:absolute;top:0;right:0;bottom:0;left:0}.viewer-overlay{position:absolute;top:12px;left:12px;background:#161b22d9;border:1px solid var(--border);border-radius:6px;padding:8px 12px;font-size:12px;color:var(--text-dim);pointer-events:none;max-width:360px}.viewer-overlay strong{color:var(--text)}.legend-swatch{display:inline-block;width:18px;height:0;vertical-align:middle;margin-right:4px}.legend-swatch.active{border-top:4px dotted var(--text)}.legend-swatch.requested{border-top:1px solid var(--text)}.sidebar,.left-sidebar{background:var(--panel);display:flex;flex-direction:column;overflow:hidden}.left-sidebar{border-right:1px solid var(--border)}.sidebar{border-left:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;overflow:hidden;height:100%;min-height:0}.sidebar-section{padding:14px 16px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.sidebar-section.constraints{flex:1 1 0;min-height:0;overflow:hidden}.constraints-scroll{flex:1 1 auto;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:8px;padding-right:4px;margin-right:-4px}.sidebar-section h3{margin:0;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.sidebar-section h3 .count{font-weight:400;margin-left:6px}.sidebar-scroll{flex:1;overflow-y:auto}.row{display:flex;gap:8px;align-items:center}.row.between{justify-content:space-between}.add-constraint-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.add-constraint-grid>button{min-height:36px;padding:8px 12px;white-space:nowrap}.smiles-row{display:flex;gap:6px;align-items:center;background:var(--panel2);border:1px solid var(--border);border-radius:6px;padding:4px 14px 4px 10px}.smiles-row .smi{flex:1 1 0;min-width:0;font-family:SF Mono,Menlo,monospace;font-size:13px;background:transparent;border:none;color:var(--text);padding:4px 0}.smiles-row .smi:focus{outline:none}.smiles-row .label{color:var(--text-dim);font-size:11px;min-width:28px}.smiles-row .icon-btn{background:transparent;border:none;color:var(--text-dim);padding:2px;font-size:16px;line-height:1}.smiles-row .icon-btn:hover{color:var(--danger)}.smiles-row .count-input{width:48px;flex:0 0 48px;text-align:center;background:transparent;border:1px solid var(--border);font-size:12px;font-family:SF Mono,Menlo,monospace;padding:2px 4px;border-radius:4px;color:var(--text);-moz-appearance:textfield}.smiles-row .count-input::-webkit-inner-spin-button,.smiles-row .count-input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.smiles-row .count-input:disabled{opacity:.3;cursor:not-allowed}.constraint-card{background:var(--panel2);border:1px solid var(--border);border-radius:6px;padding:8px 10px;font-size:12px;display:flex;flex-direction:column;gap:6px}.constraint-card .summary{display:flex;justify-content:space-between;gap:8px;align-items:center}.constraint-card.hbond{border-left:3px solid var(--hbond)}.constraint-card.distance{border-left:3px solid var(--constraint)}.constraint-card.reactive{border-left:3px solid var(--reactive)}.constraint-card.water{border-left:3px solid var(--water)}.constraint-card.is-active{background:#ffffff06}.constraint-card.is-requested{background:var(--panel2);border-style:dashed}.constraint-card.clickable{cursor:pointer;transition:border-color .12s,background .12s,box-shadow .12s}.constraint-card.clickable:hover{border-color:#ffd33d80}.constraint-card.is-highlighted{border-color:#ffd33d;box-shadow:0 0 0 1px #ffd33d inset,0 0 8px #ffd33d33}.parent-tag{display:inline-block;font-size:10px;padding:1px 6px;border-radius:999px;background:#58a6ff1f;border:1px solid rgba(88,166,255,.25);color:var(--accent);font-family:SF Mono,Menlo,monospace}.kind-tag{font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.dim{color:var(--text-dim)}.error{color:var(--danger);font-size:12px}.error-actions{margin-top:8px}.ticket-btn{font-size:12px;padding:4px 10px;border-radius:4px;border:1px solid var(--border);background:var(--panel2);color:var(--text-dim);cursor:not-allowed;opacity:.7}.structure-card{background:var(--panel2);border:1px solid var(--border);border-radius:6px;padding:10px 12px;font-size:12px;cursor:pointer;display:flex;flex-direction:column;gap:4px;transition:border-color .15s,background .15s}.structure-card.active{border-color:var(--accent);background:#58a6ff14}.structure-card.multi-selected{outline:2px solid rgba(248,81,73,.6);outline-offset:-2px}.structure-card .row{font-size:11px;color:var(--text-dim)}.structure-card .row.between>:first-child{min-width:0;flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.structure-card .row.between>:last-child{flex:0 0 auto}.structure-card .icon-btn{background:transparent;border:none;color:var(--text-dim);padding:0 2px;font-size:14px;line-height:1}.structure-card .icon-btn:hover{color:var(--danger)}.structure-card .label{font-weight:600;color:var(--text)}.constraint-form{display:grid;grid-template-columns:1fr 1fr;gap:6px;align-items:center;font-size:12px}.constraint-form label{color:var(--text-dim);font-size:11px}.constraint-form input[type=number]{width:100%}.spinner{display:inline-block;width:12px;height:12px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.selection-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);font-size:11px;font-family:SF Mono,Menlo,monospace;color:var(--text);cursor:pointer;transition:background .12s,border-color .12s}.selection-pill:hover{background:#243040}.tag-h{background:#f8514926;border-color:var(--hbond)}.tag-heavy{background:#58a6ff26;border-color:var(--accent)}.link-btn{background:transparent;border:none;padding:0;color:var(--text-dim);font-size:11px;cursor:pointer;text-decoration:underline}.link-btn:hover{color:var(--danger)}.constraint-form .muted{color:var(--text-dim);font-weight:400;font-size:.85em}.constraint-form input[type=range]{width:100%;margin:4px 0 2px}.effort-ticks{display:flex;justify-content:space-between;font-size:.75em;color:var(--text-dim);margin-top:-2px;grid-column:2}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0000008c;z-index:100;display:flex;align-items:center;justify-content:center;padding:24px}.modal{background:var(--panel);border:1px solid var(--border);border-radius:8px;padding:16px 20px;width:min(560px,92vw);max-height:85vh;overflow-y:auto;display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 30px #00000080}.modal h2{margin:0;font-size:14px;font-weight:600;color:var(--text)}.modal h4{margin:0 0 6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim)}.modal-footer{display:flex;justify-content:flex-end;gap:8px;border-top:1px solid var(--border);padding-top:12px}.pinned-list{font-size:12px;line-height:1.5}.notebooks-page{max-width:1200px;margin:0 auto;padding:48px 32px 64px;display:flex;flex-direction:column;gap:24px}.notebooks-header{display:flex;align-items:flex-end;justify-content:space-between;gap:16px}.notebooks-header h1{margin:0;font-size:28px;font-weight:700;letter-spacing:-.01em}.notebooks-header p{margin:4px 0 0;font-size:13px}.notebooks-error{padding:10px 14px;border:1px solid var(--danger);color:var(--danger);border-radius:6px;background:#f8514914}.notebooks-empty{padding:48px 16px;text-align:center;border:1px dashed var(--border);border-radius:8px;color:var(--text);display:flex;flex-direction:column;gap:8px}.notebooks-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}.notebook-tile{display:flex;flex-direction:column;gap:8px;min-width:0}.notebook-tile-thumb{position:relative;aspect-ratio:1 / 1;background:#0a0d12;border:1px solid var(--border);border-radius:8px;overflow:hidden;cursor:pointer;transition:border-color .15s,transform .15s}.notebook-tile-thumb:hover,.notebook-tile-thumb:focus{border-color:var(--accent);outline:none}.notebook-thumbnail-canvas{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%}.notebook-tile-empty{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:13px}.notebook-tile-delete{position:absolute;top:6px;right:6px;width:26px;height:26px;padding:0;border-radius:50%;font-size:16px;line-height:1;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .12s}.notebook-tile-thumb:hover .notebook-tile-delete,.notebook-tile-delete:focus{opacity:1}.notebook-tile-meta{font-size:12px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidebar-nav{padding-top:10px;padding-bottom:10px}.back-link{color:var(--text-dim);text-decoration:none;font-size:12px;padding:4px 0}.back-link:hover{color:var(--accent)}