*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0d0f12;--surface:#161a20;--surface2:#1d2129;--surface3:#242932;
  --border:#2a3040;--border2:#3a4356;--border3:#4a5570;
  --text:#e8eaf0;--text2:#8b92a8;--text3:#5a6278;
  --accent:#4f7cff;--accent2:#7c5cff;--danger:#e24b4a;
  --shadow:0 8px 32px rgba(0,0,0,.55);
  --font:'DM Sans',system-ui,sans-serif;--mono:'DM Mono',monospace;
}
html,body{width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text);font-family:var(--font)}
#app{display:flex;height:100vh;width:100vw}

/* SIDEBAR */
#sidebar{width:236px;min-width:236px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:100;user-select:none}
#sbh{padding:14px 14px 12px;border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:9px}
.lm{width:30px;height:30px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff}
.lt{font-size:14px;font-weight:600;letter-spacing:-.3px}
.ls{font-size:10px;color:var(--text3);font-family:var(--mono);cursor:pointer}
.ls:hover{color:var(--text2)}
#sbs{padding:8px 10px;border-bottom:1px solid var(--border);position:relative}
#sbs input{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:7px;padding:6px 10px 6px 28px;font-size:12px;color:var(--text);font-family:var(--font);outline:none}
#sbs input:focus{border-color:var(--accent)}
#sbs input::placeholder{color:var(--text3)}
.si{position:absolute;left:19px;top:50%;transform:translateY(-50%);color:var(--text3);font-size:13px;pointer-events:none}
#pal{flex:1;overflow-y:auto;padding:6px 0}
#pal::-webkit-scrollbar{width:3px}
#pal::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}
.ch{padding:5px 12px;font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:1.2px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.ch:hover{color:var(--text2)}
.ca{font-size:9px;transition:transform .2s}
.ch.col .ca{transform:rotate(-90deg)}
.ci{padding:0 7px 4px;display:flex;flex-direction:column;gap:2px}
.ci.hide{display:none}
.pn{display:flex;align-items:center;gap:9px;padding:6px 9px;border-radius:7px;background:var(--surface2);border:1px solid var(--border);cursor:grab;transition:all .12s}
.pn:hover{background:var(--surface3);border-color:var(--border2);transform:translateX(2px)}
.pn:active{cursor:grabbing}
.pi{width:26px;height:26px;border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0}
.pl{font-size:12px;font-weight:500;color:var(--text)}
.pd{font-size:10px;color:var(--text3);margin-top:1px}
#sbf{padding:10px;border-top:1px solid var(--border)}
.sts{display:flex;gap:6px}
.st{flex:1;background:var(--surface2);border:1px solid var(--border);border-radius:7px;padding:5px 7px;text-align:center}
.sv{font-size:15px;font-weight:600;font-family:var(--mono)}
.sl{font-size:9px;color:var(--text3);text-transform:uppercase;letter-spacing:.8px}

/* CANVAS */
#cw{flex:1;position:relative;overflow:hidden}
.cbg{position:absolute;inset:0;background-color:var(--bg);background-image:radial-gradient(circle,rgba(255,255,255,.04) 1px,transparent 1px);background-size:24px 24px;pointer-events:none}
#world{position:absolute;top:0;left:0;transform-origin:0 0}
#sw{position:absolute;top:0;left:0;overflow:visible;pointer-events:none}
#sw.cm{pointer-events:all}
#nw{position:absolute;top:0;left:0}

/* TOOLBAR */
#tb{position:absolute;top:12px;left:50%;transform:translateX(-50%);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:5px;display:flex;gap:3px;z-index:200;box-shadow:var(--shadow)}
.tbb{width:32px;height:32px;border-radius:7px;border:none;background:transparent;color:var(--text2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:13px;transition:all .12s}
.tbb:hover{background:var(--surface2);color:var(--text)}
.tbb.on{background:var(--accent);color:#fff}
.tbz{font-size:11px;font-family:var(--mono);color:var(--text2);padding:0 6px;display:flex;align-items:center;min-width:44px;justify-content:center}
.tbs{width:1px;background:var(--border);margin:3px 2px}

/* NODES */
.gn{position:absolute;background:var(--surface);border:1.5px solid var(--border2);border-radius:12px;min-width:186px;width:210px;box-shadow:0 3px 16px rgba(0,0,0,.4);transition:border-color .15s,box-shadow .15s;user-select:none}
.gn:hover{border-color:var(--border3)}
.gn.sel{border-color:var(--accent)!important;box-shadow:0 0 0 3px rgba(79,124,255,.18),0 3px 20px rgba(0,0,0,.5)}
.nh{padding:9px 10px 7px;display:flex;align-items:flex-start;gap:8px;cursor:move;border-radius:10px 10px 0 0}
.ni2{width:30px;height:30px;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;margin-top:1px}
.nt{flex:1;min-width:0}
.ntp{font-size:9px;text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:2px}
.nlb{font-size:13px;font-weight:500;color:var(--text);line-height:1.3;word-break:break-word}
.nas{display:flex;gap:2px;opacity:0;transition:opacity .15s}
.gn:hover .nas{opacity:1}
.na{width:20px;height:20px;border-radius:5px;background:transparent;border:none;color:var(--text3);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:11px}
.na:hover{background:var(--surface3);color:var(--text)}
.nb{padding:2px 10px 8px}
.ntg{display:inline-block;background:var(--surface2);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:10px;color:var(--text2);margin:1px 2px 1px 0}
.nfl{font-size:11px;color:var(--text2);padding:3px 0;border-top:1px solid var(--border);display:flex;align-items:center;gap:5px;margin-top:2px}
.nfl:first-child{border-top:none;margin-top:0}
.fd{width:5px;height:5px;border-radius:50%;flex-shrink:0}

/* PORTS */
.port{position:absolute;width:13px;height:13px;border-radius:50%;background:var(--surface3);border:2px solid var(--border2);cursor:crosshair;transition:background .12s,border-color .12s,transform .12s;z-index:10}
.port:hover,.port.hot{background:var(--accent);border-color:var(--accent);transform:scale(1.35)}
.ptlbl{position:absolute;font-size:9px;font-family:var(--mono);color:var(--text3);white-space:nowrap;pointer-events:none;background:var(--surface);padding:1px 4px;border-radius:3px;border:1px solid var(--border);z-index:20}

/* EDGES */
.edge{stroke-width:2;fill:none;stroke:#3a4356;marker-end:url(#arr);cursor:pointer;pointer-events:stroke;transition:stroke .12s,stroke-width .12s}
.edge:hover{stroke:#4f7cff;stroke-width:3;marker-end:url(#arr-a)}
.edge.se{stroke:var(--accent);stroke-width:2.5;marker-end:url(#arr-a)}
.etmp{stroke:var(--accent);stroke-width:2;fill:none;stroke-dasharray:6 4;animation:da .7s linear infinite;pointer-events:none}
@keyframes da{to{stroke-dashoffset:-20}}

/* DROP HINT */
#dh{position:absolute;inset:0;border:2px dashed var(--accent);background:rgba(79,124,255,.05);display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--accent);pointer-events:none;opacity:0;transition:opacity .2s;z-index:50}
#dh.show{opacity:1}

/* INSPECTOR */
#ins{position:absolute;right:0;top:0;bottom:0;width:272px;background:var(--surface);border-left:1px solid var(--border);z-index:150;transform:translateX(100%);transition:transform .22s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
#ins.open{transform:translateX(0)}
#inh{padding:12px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:9px}
#ini{width:34px;height:34px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0}
#int{flex:1}
#intp{font-size:9px;text-transform:uppercase;letter-spacing:1px;font-weight:600;margin-bottom:2px}
#innm{font-size:14px;font-weight:500;color:var(--text)}
#inc{background:none;border:none;color:var(--text3);cursor:pointer;font-size:15px;padding:4px}
#inc:hover{color:var(--text)}
#inb{flex:1;overflow-y:auto;padding:12px}
#inb::-webkit-scrollbar{width:3px}
#inb::-webkit-scrollbar-thumb{background:var(--border2);border-radius:2px}
.is{margin-bottom:14px}
.ist{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text3);font-weight:600;margin-bottom:7px;display:flex;align-items:center;justify-content:space-between}
.isb{background:var(--surface2);border:1px solid var(--border);border-radius:5px;padding:2px 8px;font-size:10px;color:var(--text2);cursor:pointer;font-family:var(--font)}
.isb:hover{border-color:var(--border2);color:var(--text)}
.ifd{margin-bottom:7px}
.il{font-size:11px;color:var(--text2);margin-bottom:3px;display:flex;justify-content:space-between;align-items:center}
.ii{width:100%;background:var(--surface2);border:1px solid var(--border);border-radius:7px;padding:6px 9px;font-size:12px;color:var(--text);font-family:var(--font);outline:none}
.ii:focus{border-color:var(--accent)}
.ita{resize:vertical;min-height:56px;line-height:1.5}
.ibg{display:flex;flex-wrap:wrap;gap:4px;margin-top:3px}
.ibd{background:var(--surface2);border:1px solid var(--border);border-radius:5px;padding:2px 8px;font-size:11px;color:var(--text2)}
.icn{display:flex;flex-wrap:wrap;gap:4px}
.ib2{width:30px;height:30px;background:var(--surface2);border:1px solid var(--border);border-radius:6px;display:flex;align-items:center;justify-content:center;font-size:15px;cursor:pointer}
.ib2.on{border-color:var(--accent);background:rgba(79,124,255,.12)}
.pr{display:flex;align-items:center;gap:6px;margin-bottom:4px;background:var(--surface2);border:1px solid var(--border);border-radius:7px;padding:5px 8px}
.pr input{flex:1;background:transparent;border:none;font-size:12px;color:var(--text);font-family:var(--font);outline:none}
.prs{font-size:10px;font-family:var(--mono);flex-shrink:0}
.prd{background:none;border:none;color:var(--text3);cursor:pointer;font-size:12px;padding:0 2px}
.prd:hover{color:var(--danger)}
.iconn{background:var(--surface2);border:1px solid var(--border);border-radius:7px;padding:6px 9px;margin-bottom:4px;font-size:11px;color:var(--text2)}
.delbtn{width:100%;padding:8px;background:rgba(226,75,74,.1);border:1px solid rgba(226,75,74,.2);border-radius:7px;color:var(--danger);font-size:12px;font-weight:500;cursor:pointer;font-family:var(--font);transition:all .15s}
.delbtn:hover{background:rgba(226,75,74,.18)}

/* MINIMAP */
#mm{position:absolute;bottom:14px;right:14px;width:154px;height:96px;background:var(--surface);border:1px solid var(--border);border-radius:9px;overflow:hidden;z-index:140}

/* CANVAS LIST PANEL — fixed so it overlays sidebar+canvas */
#cl-panel{position:fixed;left:0;top:0;bottom:0;width:260px;background:var(--surface);border-right:1px solid var(--border);z-index:400;transform:translateX(-260px);transition:transform .22s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;box-shadow:4px 0 24px rgba(0,0,0,.4)}
#cl-panel.open{transform:translateX(236px)}
#cl-head{padding:12px 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
#cl-head span{flex:1}
#cl-new{background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:4px 10px;font-size:11px;color:var(--text2);cursor:pointer;font-family:var(--font)}
#cl-new:hover{border-color:var(--accent);color:var(--accent)}
#cl-close{background:none;border:none;color:var(--text3);cursor:pointer;font-size:14px;padding:2px 4px}
#cl-list{flex:1;overflow-y:auto;padding:6px}
.cl-item{padding:9px 11px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:3px}
.cl-item:hover{background:var(--surface2);border-color:var(--border)}
.cl-item.active{background:var(--surface2);border-color:var(--accent)}
.cl-item-name{font-size:13px;font-weight:500;color:var(--text)}
.cl-item-meta{font-size:10px;color:var(--text3);margin-top:3px;font-family:var(--mono)}
.cl-item-del{float:right;background:none;border:none;color:var(--text3);cursor:pointer;font-size:12px;opacity:0}
.cl-item:hover .cl-item-del{opacity:1}
.cl-item-del:hover{color:var(--danger)}

/* SAVE MODAL — fixed so it covers everything */
#save-modal{position:fixed;inset:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:500;opacity:0;pointer-events:none;transition:opacity .18s}
#save-modal.open{opacity:1;pointer-events:all}
#save-box{background:var(--surface);border:1px solid var(--border2);border-radius:12px;padding:20px;width:280px;box-shadow:var(--shadow)}
.modal-btn{flex:1;padding:8px 16px;border-radius:7px;font-size:12px;font-weight:500;cursor:pointer;font-family:var(--font);border:1px solid var(--border2);background:var(--surface2);color:var(--text2);transition:all .12s}
.modal-btn:hover{border-color:var(--border3);color:var(--text)}
.modal-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.modal-btn.primary:hover{background:#3d6ae8}

/* CONTEXT MENU */
#ctx{position:fixed;z-index:1000;background:var(--surface);border:1px solid var(--border2);border-radius:10px;padding:4px;min-width:158px;box-shadow:var(--shadow);display:none}
#ctx.show{display:block}
.cx{padding:6px 11px;border-radius:7px;font-size:12px;color:var(--text2);cursor:pointer;display:flex;align-items:center;gap:7px;white-space:nowrap}
.cx:hover{background:var(--surface2);color:var(--text)}
.cx.dg{color:var(--danger)}.cx.dg:hover{background:rgba(226,75,74,.1)}
.cxs{height:1px;background:var(--border);margin:3px 0}
.cxh{font-size:10px;color:var(--text3);text-transform:uppercase;letter-spacing:.9px;padding:5px 11px 2px;cursor:default}

/* TOASTS */
#ts{position:absolute;bottom:14px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;gap:5px;z-index:500;pointer-events:none}
.tst{background:var(--surface);border:1px solid var(--border2);border-radius:8px;padding:8px 14px;font-size:12px;color:var(--text);box-shadow:var(--shadow);animation:ti .25s ease;white-space:nowrap;transition:opacity .3s}
@keyframes ti{from{opacity:0;transform:translateY(6px)}}

/* EMPTY STATE */
#em{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;pointer-events:none}
#em.h{opacity:0}

/* NODE COLOURS */
.nc-entity{background:rgba(79,124,255,.15);color:#7aa3ff}
.nc-workflow{background:rgba(124,92,255,.15);color:#a07cff}
.nc-form{background:rgba(29,158,117,.15);color:#3dbb8a}
.nc-session{background:rgba(239,159,39,.15);color:#f5b951}
.nc-catalog{background:rgba(216,90,48,.15);color:#f07755}
.nc-page{background:rgba(212,83,126,.15);color:#e87aaa}
.nc-custom{background:rgba(96,165,144,.15);color:#70c4a8}