/* ── MODALS ── */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.75);display:flex;align-items:center;justify-content:center;z-index:100;opacity:0;pointer-events:none;transition:opacity .15s}
.overlay.open{opacity:1;pointer-events:all}
.modal{background:var(--s1);border:1px solid var(--b2);border-radius:11px;padding:18px;width:420px;max-width:92vw;max-height:85vh;overflow-y:auto}
.modal::-webkit-scrollbar{width:3px}
.modal::-webkit-scrollbar-thumb{background:var(--s4)}
.modal h3{font-size:14px;font-weight:600;margin-bottom:14px}
.modal textarea,.modal input[type=text],.modal input[type=number]{width:100%;background:var(--s2);border:1px solid var(--b2);border-radius:6px;padding:7px 10px;color:var(--t1);font-size:12px;font-family:var(--sans);outline:none;margin-bottom:9px}
.modal textarea{resize:vertical;min-height:70px}
.modal textarea:focus,.modal input:focus{border-color:rgba(110,231,183,0.35)}
.modal-actions{display:flex;gap:7px;justify-content:flex-end;margin-top:8px}
.btn-p{padding:6px 15px;background:var(--accent);color:#000;border:none;border-radius:5px;cursor:pointer;font-size:11px;font-weight:600;font-family:var(--sans);transition:opacity .12s}
.btn-p:hover{opacity:.85}
.btn-s{padding:6px 15px;background:transparent;color:var(--t2);border:1px solid var(--b2);border-radius:5px;cursor:pointer;font-size:11px;font-family:var(--sans)}
.btn-s:hover{color:var(--t1)}
.btn-danger{padding:6px 15px;background:transparent;color:var(--danger);border:1px solid rgba(248,113,113,.35);border-radius:5px;cursor:pointer;font-size:11px;font-family:var(--sans);transition:.12s}
.btn-danger:hover{background:rgba(248,113,113,.1)}
#conn-pick-list{max-height:220px;overflow-y:auto;border:1px solid var(--b1);border-radius:6px;margin-bottom:10px}
.cpi{padding:7px 10px;cursor:pointer;border-bottom:1px solid var(--b1);font-size:12px;display:flex;align-items:center;gap:8px;transition:.1s background}
.cpi:last-child{border-bottom:none}
.cpi:hover{background:var(--s2)}
.cpi.sel{background:rgba(110,231,183,0.07)}
.cpi .ck{color:var(--accent);font-weight:700}
.io-ta{font-family:var(--mono)!important;font-size:10px!important;min-height:140px!important}
/* relationship type selector */
.conn-type-row{display:flex;gap:6px;margin:4px 0 8px}
.ct-btn{flex:1;padding:5px;border-radius:5px;border:1px solid var(--b2);background:transparent;color:var(--t3);font-size:10px;font-family:var(--sans);cursor:pointer;transition:.1s;text-align:center}
.ct-btn.on{border-color:rgba(167,139,250,.5);background:rgba(167,139,250,.1);color:var(--accent2)}

/* ── BREAKDOWN ── */
.bd-chain-hint{font-size:11px;color:var(--t3);margin-bottom:6px;font-family:var(--mono)}
.bd-breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:3px;background:var(--s2);border:1px solid var(--b1);border-radius:6px;padding:6px 10px;margin-bottom:12px;min-height:30px}
.bd-crumb{font-size:11px;color:var(--t2);font-family:var(--sans);padding:1px 4px;border-radius:3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:140px}
.bd-crumb-active{color:var(--accent);font-weight:600;background:rgba(110,231,183,.1)}
.bd-sep{color:var(--t4);font-size:10px;user-select:none}
.bd-list{display:flex;flex-direction:column;gap:5px;margin-bottom:8px;max-height:280px;overflow-y:auto}
.bd-row{display:flex;align-items:center;gap:6px}
.bd-row-num{font-size:10px;color:var(--t4);font-family:var(--mono);width:14px;text-align:right;flex-shrink:0}
.bd-inp{flex:1;background:var(--s2);border:1px solid var(--b2);border-radius:5px;padding:6px 9px;color:var(--t1);font-size:12px;font-family:var(--sans);outline:none;transition:.1s border-color;margin-bottom:0!important}
.bd-inp:focus{border-color:rgba(110,231,183,.4)}
.bd-del{background:none;border:none;color:var(--t4);cursor:pointer;font-size:11px;padding:3px 5px;border-radius:3px;flex-shrink:0;transition:.1s}
.bd-del:hover{color:var(--danger)}
.bd-add-btn{width:100%;background:none;border:1px dashed var(--b2);border-radius:5px;color:var(--t3);font-size:11px;font-family:var(--sans);padding:6px;cursor:pointer;transition:.1s;margin-bottom:8px}
.bd-add-btn:hover{color:var(--t1);border-color:var(--b3)}
#bd-create-btn:disabled{opacity:.4;cursor:not-allowed}