@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

/* جریان — سازنده ورک‌فلو هوشمند | نمونه‌کار (فقط فرانت) */
:root{
  --bg:#0c0f18;
  --panel:#141926;
  --panel-2:#1b2233;
  --line:#28304a;
  --ink:#eaeefb;
  --ink-2:#8e99bb;
  --brand:#6c8cff;
  --trigger:#22c98b;
  --ai:#a56bff;
  --cond:#ffb020;
  --action:#3fb8ff;
  --int:#ff7a90;
  --grid:#1a2030;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:'Vazirmatn',Tahoma,sans-serif;background:var(--bg);color:var(--ink);font-size:14.5px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow:hidden}
button{font-family:inherit;cursor:pointer}

.app{display:grid;grid-template-rows:auto 1fr;height:100vh;height:100dvh}

/* ---------- نوار بالا ---------- */
.bar{display:flex;align-items:center;gap:14px;padding:12px 18px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16.5px}
.logo .m{width:34px;height:34px;border-radius:11px;background:linear-gradient(140deg,var(--brand),var(--ai));display:grid;place-items:center;color:#fff}
.badge{background:rgba(255,255,255,.06);border:1px solid var(--line);padding:5px 13px;border-radius:99px;font-size:12px;color:var(--ink-2)}
.bar .sp{flex:1}
.bar .name{font-size:13.5px;color:var(--ink-2)}
.bar .name b{color:var(--ink)}
.btn{border:1px solid var(--line);background:var(--panel-2);color:var(--ink);border-radius:11px;padding:9px 16px;font-size:13px;display:inline-flex;align-items:center;gap:7px}
.btn:hover{border-color:var(--brand)}
.btn-run{background:linear-gradient(120deg,var(--trigger),#19a874);border:0;color:#04231a;font-weight:800}
.btn-run:disabled{opacity:.6;cursor:not-allowed}

/* ---------- چیدمان ---------- */
.main{display:grid;grid-template-columns:220px 1fr 290px;overflow:hidden}
@media(max-width:1000px){
  .main{grid-template-columns:1fr;grid-template-rows:auto 1fr auto;overflow:auto}
  .lib,.side{max-height:230px;overflow:auto}
}
.lib{background:var(--panel);border-inline-start:1px solid var(--line);padding:14px;overflow-y:auto}
.lib h4,.side h4{font-size:12px;letter-spacing:.05em;color:var(--ink-2);margin:0 0 11px;font-weight:700}
.lib .item{display:flex;align-items:center;gap:10px;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:10px 12px;margin-bottom:8px;font-size:13px;width:100%;color:var(--ink);text-align:start}
.lib .item:hover{border-color:var(--brand);transform:translateY(-1px)}
.lib .item .i{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-size:14px;flex:none}
.lib .hint{font-size:11.5px;color:var(--ink-2);line-height:1.8;margin-top:14px;border-top:1px solid var(--line);padding-top:12px}

/* ---------- بوم ---------- */
.canvas-wrap{position:relative;overflow:auto;background:
  linear-gradient(var(--grid) 1px, transparent 1px) 0 0/26px 26px,
  linear-gradient(90deg, var(--grid) 1px, transparent 1px) 0 0/26px 26px, var(--bg)}
.canvas{position:relative;width:1120px;height:760px;direction:ltr}
svg.edges{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.edge{fill:none;stroke:#3b4666;stroke-width:2.5}
.edge.on{stroke:var(--trigger);stroke-dasharray:8 6;animation:dash 1s linear infinite}
@keyframes dash{to{stroke-dashoffset:-28}}
.edge-label{fill:var(--ink-2);font-size:11px;font-family:'Vazirmatn',Tahoma,sans-serif}

.node{
  position:absolute;width:190px;background:var(--panel);border:1px solid var(--line);border-radius:16px;
  padding:12px 14px;cursor:grab;user-select:none;direction:rtl;box-shadow:0 10px 26px rgba(0,0,0,.35);transition:border-color .18s, box-shadow .18s;
}
.node:active{cursor:grabbing}
.node.sel{border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,140,255,.18), 0 10px 26px rgba(0,0,0,.4)}
.node.run{border-color:var(--trigger);box-shadow:0 0 0 3px rgba(34,201,139,.22), 0 10px 26px rgba(0,0,0,.4)}
.node.ok:after{content:"✓";position:absolute;top:-8px;right:-8px;width:22px;height:22px;border-radius:50%;background:var(--trigger);color:#04231a;font-size:12px;font-weight:800;display:grid;place-items:center}
.node .head{display:flex;align-items:center;gap:9px}
.node .ic{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font-size:15px;flex:none}
.node b{font-size:13.5px;display:block;line-height:1.5}
.node .type{font-size:10.5px;color:var(--ink-2)}
.node p{margin:8px 0 0;font-size:11.5px;color:var(--ink-2);line-height:1.7;border-top:1px dashed var(--line);padding-top:8px}
.port{position:absolute;top:50%;transform:translateY(-50%);width:13px;height:13px;border-radius:50%;background:var(--panel-2);border:2px solid #46527a;cursor:crosshair}
.port:hover{border-color:var(--brand);background:var(--brand)}
.port.out{left:-7px}
.port.in{right:-7px}
.port.armed{border-color:var(--trigger);background:var(--trigger)}
.t-trigger .ic{background:rgba(34,201,139,.16);color:var(--trigger)}
.t-ai .ic{background:rgba(165,107,255,.16);color:var(--ai)}
.t-cond .ic{background:rgba(255,176,32,.16);color:var(--cond)}
.t-action .ic{background:rgba(63,184,255,.16);color:var(--action)}
.t-int .ic{background:rgba(255,122,144,.16);color:var(--int)}

/* ---------- پنل کناری ---------- */
.side{background:var(--panel);border-inline-end:1px solid var(--line);padding:14px;overflow-y:auto;display:flex;flex-direction:column;gap:16px}
.box{background:var(--panel-2);border:1px solid var(--line);border-radius:14px;padding:14px}
.box .t{font-size:13px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:8px}
label{display:block;font-size:11.5px;color:var(--ink-2);margin:0 0 6px}
input,select,textarea{width:100%;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:9px 11px;color:var(--ink);font-family:inherit;font-size:12.5px;outline:none;margin-bottom:11px}
input:focus,select:focus,textarea:focus{border-color:var(--brand)}
.empty-note{color:var(--ink-2);font-size:12.5px;text-align:center;padding:22px 8px}
.log{font-size:12px;display:flex;flex-direction:column;gap:8px;max-height:230px;overflow-y:auto}
.log div{display:flex;gap:8px;color:var(--ink-2);animation:fadein .3s ease both}
@keyframes fadein{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
.log time{color:#586382;flex:none}
.log .ok{color:var(--trigger)}
.log .warn{color:var(--cond)}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;text-align:center}
.stat-row div{background:var(--panel);border:1px solid var(--line);border-radius:11px;padding:10px 4px}
.stat-row b{display:block;font-size:16px;font-weight:800}
.stat-row span{font-size:10.5px;color:var(--ink-2)}
.del-btn{width:100%;border:1px solid #57304a;background:rgba(255,92,114,.1);color:#ff8fa2;border-radius:11px;padding:10px;font-size:12.5px}
.toast{position:fixed;bottom:22px;inset-inline-start:22px;background:var(--panel);border:1px solid var(--line);padding:11px 18px;border-radius:12px;font-size:13px;opacity:0;transform:translateY(10px);transition:.25s;pointer-events:none;z-index:90}
.toast.show{opacity:1;transform:none}