:root{
 --bg:#0e0e13;--panel:#17171e;--panel2:#1c1c25;--line:#282833;--line2:#34343f;
 --txt:#e9e9f0;--dim:#9a9aa8;--acc:#ff5f2e;--acc2:#ff8a5c;
 --ok:#3fbf6f;--warn:#e6b23a;--bad:#e05555;--radius:10px;
 --shadow:0 1px 2px rgba(0,0,0,.35),0 10px 24px -14px rgba(0,0,0,.5)
}
*{box-sizing:border-box}
html{scrollbar-color:#32323e var(--bg)}
body{margin:0;background:var(--bg);color:var(--txt);font:15px/1.45 system-ui,Segoe UI,Roboto,sans-serif}
::selection{background:rgba(255,95,46,.35)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#2e2e3a;border-radius:8px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#3a3a48}
a{color:var(--acc);text-decoration:none}
a:hover{color:var(--acc2)}
nav.side{position:fixed;top:0;left:0;bottom:0;width:200px;background:linear-gradient(180deg,#18181f,#131318);border-right:1px solid var(--line);padding:14px 10px 10px;display:flex;flex-direction:column;overflow-y:auto;scrollbar-width:thin}
nav.side .brand{font-weight:800;letter-spacing:2px;padding:2px 8px 12px;font-size:15px;line-height:1.25;background:linear-gradient(90deg,var(--acc),var(--acc2));-webkit-background-clip:text;background-clip:text;color:transparent}
nav.side a{color:#c8c8d5;padding:6px 10px;display:block;font-size:13.5px;border-radius:7px;border-left:2px solid transparent;transition:background .12s,color .12s}
nav.side a:hover{background:#22222c;color:var(--txt)}
nav.side a.active{background:rgba(255,95,46,.12);color:#fff;border-left-color:var(--acc)}
.navsec{color:#6e6e80;font-size:10.5px;text-transform:uppercase;letter-spacing:1.2px;padding:13px 10px 3px;font-weight:600}
.navspacer{margin-top:auto}
main.with-nav{margin-left:200px;padding:24px;max-width:1150px}
main.bare{max-width:420px;margin:10vh auto;padding:20px}
h1{font-size:22px;font-weight:700;letter-spacing:-.2px;margin:0 0 16px}
h2{font-size:17px;font-weight:600;margin:22px 0 10px}
.flash{background:#1b2530;border:1px solid #2e4356;border-left:3px solid #4da3ff;padding:9px 12px;border-radius:8px;margin-bottom:14px}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:6px 9px;border-bottom:1px solid var(--line);vertical-align:top}
td{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:340px}
td.trunc{cursor:zoom-in}
td.tdexpand{white-space:normal;overflow:visible;text-overflow:clip;word-break:break-word;cursor:zoom-out;min-width:280px}
th{color:var(--dim);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;border-bottom-color:var(--line2);white-space:nowrap;position:relative}
th.sortable{cursor:pointer;user-select:none}
.sortind{color:var(--acc);margin-left:3px;font-size:10px}
.thgrip{position:absolute;top:0;right:-4px;bottom:0;width:9px;cursor:col-resize;z-index:1}
.thgrip::after{content:'';position:absolute;left:4px;top:15%;bottom:15%;width:1px;background:transparent}
.thgrip:hover::after{background:var(--acc)}
body.colresizing{cursor:col-resize!important;user-select:none}
tr:hover td{background:#1d1d26}
/* Checkboxes/radios are excluded: Chrome ignores author padding/border on native
   checkboxes at rest but applies them while :active, so styling them with the
   text-field rule made rows jump ~16px on every click. */
input:not([type=checkbox]):not([type=radio]),select,textarea{background:#13131a;border:1px solid var(--line2);color:var(--txt);border-radius:7px;padding:8px 10px;font:inherit;width:100%;transition:border-color .12s,box-shadow .12s}
input:not([type=checkbox]):not([type=radio]):focus,select:focus,textarea:focus{outline:none;border-color:var(--acc);box-shadow:0 0 0 3px rgba(255,95,46,.14)}
input[type=checkbox],input[type=radio]{width:auto;accent-color:var(--acc)}
input[type=checkbox]:focus-visible,input[type=radio]:focus-visible{outline:2px solid var(--acc2);outline-offset:1px}
textarea{min-height:90px}
label{display:block;color:var(--dim);font-size:12px;margin:12px 0 4px;text-transform:uppercase;letter-spacing:.5px}
button,.btn{background:linear-gradient(180deg,#ff6b3d,#f2511f);border:0;color:#fff;padding:8px 16px;border-radius:8px;font:inherit;font-weight:600;cursor:pointer;transition:filter .12s,transform .05s}
button:hover,.btn:hover{filter:brightness(1.08);color:#fff}
button:active,.btn:active{transform:translateY(1px)}
button:focus-visible,.btn:focus-visible{outline:2px solid var(--acc2);outline-offset:2px}
button.sec,.btn.sec{background:#2b2b37;border:1px solid var(--line2);font-weight:500}
button.danger{background:var(--bad)}
button.mini{padding:3px 9px;font-size:12px;border-radius:6px}
form.inline{display:inline}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:10px;margin-bottom:18px}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;transition:border-color .12s}
.card:hover{border-color:var(--line2)}
.card .num{font-size:25px;font-weight:700;letter-spacing:-.5px;font-variant-numeric:tabular-nums}
.card .lbl{color:var(--dim);font-size:11px;text-transform:uppercase;letter-spacing:.5px;margin-top:2px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px;box-shadow:var(--shadow)}
details.panel>summary{cursor:pointer;font-size:17px;font-weight:600;list-style:none;display:flex;align-items:center;gap:8px;user-select:none}
details.panel>summary::-webkit-details-marker{display:none}
details.panel>summary::before{content:'\25B8';color:var(--dim);font-size:13px;transition:transform .15s}
details.panel[open]>summary::before{transform:rotate(90deg)}
details.panel[open]>summary{margin-bottom:10px}
.pill{display:inline-block;background:#2b2b37;border:1px solid transparent;border-radius:999px;padding:1px 9px;font-size:12px;margin:1px 2px}
.navbadge{display:inline-block;background:var(--acc);color:#fff;border-radius:999px;padding:0 7px;font-size:11px;font-weight:bold;margin-left:4px;vertical-align:1px}
.pill.ok{background:#17301f;border-color:#245234;color:var(--ok)}
.pill.warn{background:#332c17;border-color:#584a24;color:var(--warn)}
.pill.bad{background:#331a1a;border-color:#582e2e;color:var(--bad)}
.dim{color:var(--dim)}.small{font-size:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.chat{display:flex;flex-direction:column;gap:6px;max-width:640px}
.bubble{padding:8px 12px;border-radius:12px;max-width:75%;white-space:pre-wrap}
.bubble.in{background:#23232d;align-self:flex-start}
.bubble.out{background:#40352c;align-self:flex-end}
.bubble .meta{display:block;color:var(--dim);font-size:11px;margin-top:3px}
code{background:#13131a;border:1px solid var(--line);padding:1px 5px;border-radius:4px;font-size:13px;word-break:break-all}
.checklist li{margin:4px 0}
@media(max-width:800px){nav.side{position:static;width:auto;flex-direction:row;flex-wrap:wrap;overflow:visible;padding:10px}.navspacer{margin:0}main.with-nav{margin-left:0;padding:16px}.grid2{grid-template-columns:1fr}}

/* ---- flow builder canvas ---- */
.fb-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.fb-viewport{position:relative;height:68vh;min-height:420px;overflow:hidden;background:#0d0d11;
 background-image:radial-gradient(#1e1e27 1px,transparent 1px);background-size:24px 24px;
 border:1px solid var(--line);border-radius:10px;touch-action:none;cursor:grab;user-select:none}
.fb-viewport:active{cursor:grabbing}
.fb-world{position:absolute;top:0;left:0;transform-origin:0 0}
#edges{position:absolute;top:0;left:0;pointer-events:none;overflow:visible}
#edges path{fill:none;stroke-width:2}
#edges .fb-edge-next{stroke:var(--acc);fill:var(--acc)}
#edges path.fb-edge-next{fill:none}
#edges .fb-edge-btn{stroke:#3ec6d8;fill:#3ec6d8;stroke-dasharray:6 5}
#edges path.fb-edge-btn{fill:none}
.fb-node{position:absolute;width:330px;background:var(--panel);border:1px solid #3a3a46;
 border-radius:10px;padding:10px;box-shadow:0 6px 18px rgba(0,0,0,.45);cursor:move}
.fb-node:hover{border-color:var(--acc)}
.fb-head{display:flex;align-items:center;gap:8px;margin-bottom:6px}
.fb-title{font-weight:700}
.fb-start{background:var(--ok);color:#08130c;font-size:10px;font-weight:800;letter-spacing:1px;
 padding:2px 7px;border-radius:999px}
.fb-x{background:none;border:0;color:var(--dim);font-size:16px;cursor:pointer;padding:0 4px}
.fb-x:hover{color:var(--bad)}
.fb-msg{width:100%;min-height:54px;resize:none;cursor:text}
.fb-row{display:flex;align-items:center;gap:6px;color:var(--dim);font-size:12px;margin:6px 0}
.fb-delay{width:64px;padding:4px 6px}
.fb-btnrow{display:flex;align-items:center;gap:6px;margin:5px 0;position:relative}
.fb-blabel{flex:1;padding:6px 8px;cursor:text}
.fb-btag{width:84px;padding:6px 8px;cursor:text}
.fb-bx{background:none;border:0;color:var(--dim);cursor:pointer;font-size:14px;padding:0 2px}
.fb-bx:hover{color:var(--bad)}
.fb-addbtn{background:none;border:1px dashed var(--line);color:var(--dim);width:100%;
 border-radius:6px;padding:5px;font-size:12px;cursor:pointer;margin-top:2px}
.fb-addbtn:hover{color:var(--acc);border-color:var(--acc)}
.fb-next{display:flex;align-items:center;justify-content:flex-end;gap:8px;margin-top:8px}
.fb-handle{width:14px;height:14px;border-radius:50%;display:inline-block;cursor:crosshair;
 flex:none;box-shadow:0 0 0 3px rgba(255,255,255,.06)}
.fb-nh{background:var(--acc)}
.fb-bh{background:#3ec6d8}
.fb-handle:hover{transform:scale(1.25)}