:root{
  --bg:        #0b0d10;
  --panel:     #12151a;
  --panel-2:   #171b21;
  --panel-3:   #1d222a;
  --border:    #262c35;
  --text:      #e7ebf0;
  --text-dim:  #8b97a5;
  --text-faint:#5b6572;
  --accent:    #22d3ac;
  --accent-dim:#17a889;
  --buy:       #34c976;
  --sell:      #ff5c6a;
  --cond:      #f5b942;
  --event:     #a684f5;
  --money:     #4da8ff;
  --comm:      #f26fb2;
  --logic:     #6ee7d8;
  --chartobj:  #ffb454;
  --rtm:       #7c83fd;
  --ict:       #e0a940;
  --pa:        #4fc3d9;
  --grid:      #b06fe0;
  --indclr:    #6fd08a;
  --elliott:   #e07b9e;
  --radius:    8px;
  --mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", Consolas, "Courier New", monospace;
  --sans: -apple-system, "Segoe UI", "Vazirmatn", "Tahoma", Roboto, Arial, sans-serif;
}

*{box-sizing:border-box;}
html,body{height:100%;margin:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:var(--sans);
  font-size:13.5px;
  overflow:hidden;
}

#app{display:flex;flex-direction:column;height:100vh;}

/* ===================== TOP BAR ===================== */
#topbar{
  min-height:52px;flex:0 0 auto;
  display:flex;align-items:center;gap:14px;
  padding:6px 14px;
  background:linear-gradient(180deg,var(--panel-2),var(--panel));
  border-bottom:1px solid var(--border);
}
.brand{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;margin-inline-end:10px;flex:0 0 auto;}
.brand-top{display:flex;align-items:center;gap:6px;}
.brand-mark{color:var(--accent);font-size:20px;filter:drop-shadow(0 0 6px rgba(34,211,172,.6));}
.brand-text{font-weight:600;letter-spacing:.3px;font-size:15px;}
.brand-text b{color:var(--accent);font-weight:800;}
.brand-sub{font-size:10px;color:var(--text-faint);border:1px solid var(--border);border-radius:20px;padding:2px 8px;margin-inline-start:4px;}
.brand-projectname{
  font-size:11px;color:var(--text-dim);max-width:280px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  padding-inline-start:1px;
}
.brand-projectname::before{content:"📄 ";opacity:.7;}
.brand-projectname:empty::before{content:"";}
.brand-home-link{display:flex;align-items:center;gap:6px;text-decoration:none;color:inherit;}
.tbar-sep{ width:1px; align-self:stretch; background:var(--border-2, #2c323b); margin:0 4px; }

.topbar-actions{display:flex;align-items:center;gap:6px;flex:1;position:relative;flex-wrap:wrap;}
.topbar-zoom{display:flex;align-items:center;gap:6px;color:var(--text-dim);font-family:var(--mono);font-size:12px;}

.tbtn{
  background:var(--panel-3);
  border:1px solid var(--border);
  color:var(--text);
  padding:7px 12px;
  border-radius:7px;
  cursor:pointer;
  font-size:12.5px;
  font-family:var(--sans);
  transition:.12s border-color, .12s background, .12s transform;
  white-space:nowrap;
}
.tbtn:hover{border-color:var(--accent-dim);background:#20262f;}
.tbtn:active{transform:scale(.97);}
.tbtn.small{padding:5px 9px;font-size:11.5px;}
.tbtn.accent{background:linear-gradient(180deg,var(--accent),var(--accent-dim));color:#03231b;border-color:var(--accent-dim);font-weight:700;}
.tbtn.accent:hover{filter:brightness(1.08);}
.tbtn.danger{color:var(--sell);border-color:#5a2a30;}

.target-toggle{
  display:flex;border:1px solid var(--border);border-radius:7px;overflow:hidden;margin-inline-start:4px;
}
.target-toggle button{
  background:var(--panel-3);border:none;color:var(--text-dim);padding:7px 12px;
  font-size:12px;font-family:var(--sans);cursor:pointer;font-weight:600;
}
.target-toggle button.active{background:linear-gradient(180deg,var(--accent),var(--accent-dim));color:#03231b;}
.target-toggle button:not(.active):hover{color:var(--text);}

.dropdown{
  display:none;position:absolute;top:44px;background:var(--panel-2);
  border:1px solid var(--border);border-radius:8px;min-width:220px;
  box-shadow:0 12px 30px rgba(0,0,0,.5);overflow:hidden;z-index:50;
}
.dropdown.open{display:block;}
.dropdown div{padding:10px 14px;cursor:pointer;font-size:12.5px;border-bottom:1px solid var(--border);}
.dropdown div:last-child{border-bottom:none;}
.dropdown div:hover{background:var(--panel-3);color:var(--accent);}
.dropdown .ex-item{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.dropdown .ex-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.dropdown .ex-del{
  flex:0 0 auto;font-size:11px;color:var(--text-faint);
  padding:2px 6px;border-radius:5px;opacity:.55;
}
.dropdown .ex-del:hover{opacity:1;color:var(--sell);background:rgba(255,92,106,.14);}

/* ===================== MAIN LAYOUT ===================== */
#main{flex:1;display:flex;min-height:0;}

/* ---- palette ---- */
#palette{
  width:250px;flex:0 0 auto;background:var(--panel);
  border-inline-start:1px solid var(--border);
  display:flex;flex-direction:column;overflow:hidden;
}
.palette-search{padding:10px;border-bottom:1px solid var(--border);}
#paletteSearch{
  width:100%;background:var(--panel-2);border:1px solid var(--border);
  color:var(--text);padding:8px 10px;border-radius:6px;font-size:12.5px;font-family:var(--sans);
}
#paletteList{flex:1;overflow-y:auto;padding:8px;}
.pal-group{margin-bottom:6px;}
.pal-group-title{
  font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.6px;
  padding:8px 6px 4px;display:flex;align-items:center;gap:6px;cursor:pointer;user-select:none;
}
.pal-group-title .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto;}
.pal-group-title .chev{margin-inline-start:auto;font-size:10px;transition:.15s transform;}
.pal-group.collapsed .chev{transform:rotate(-90deg);}
.pal-group.collapsed .pal-items{display:none;}
.pal-item{
  display:flex;align-items:center;gap:8px;
  padding:8px 10px;margin:3px 0;border-radius:6px;
  background:var(--panel-2);border:1px solid var(--border);
  cursor:grab;font-size:12px;
}
.pal-item:hover{border-color:var(--accent-dim);}
.pal-item .ic{font-size:14px;}
.pal-item .bar{width:3px;align-self:stretch;border-radius:2px;margin-inline-end:2px;}
.pal-item .pal-label{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.pal-item .pal-help{
  flex:0 0 auto;width:16px;height:16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:10px;font-weight:700;color:var(--text-faint);
  border:1px solid var(--border);cursor:pointer;background:var(--panel-3);
}
.pal-item .pal-help:hover{color:var(--accent);border-color:var(--accent-dim);background:#20262f;}

.help-modal{width:min(560px,92vw);}
#blockHelpBody{color:var(--text);font-size:13px;line-height:1.9;}
#blockHelpBody p{margin:0 0 12px;}
#blockHelpBody p:last-child{margin-bottom:0;}

/* ---- canvas ---- */
#canvas-viewport{
  flex:1;position:relative;overflow:hidden;background:var(--bg);direction:ltr;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:26px 26px;
}
#canvas-world{
  position:absolute;left:0;top:0;width:6000px;height:4000px;
  transform-origin:0 0;
}
#conn-svg{position:absolute;left:0;top:0;width:100%;height:100%;overflow:visible;pointer-events:none;}
#nodes-layer{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none;}
#canvas-hint{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  color:var(--text-faint);font-size:13px;pointer-events:none;text-align:center;
}
#canvas-hint.hidden{display:none;}
#canvas-grid{display:none;}

/* ---- node ---- */
.node{
  position:absolute;min-width:150px;max-width:260px;
  background:var(--panel-2);border:1.5px solid var(--border);
  border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.35);
  user-select:none;pointer-events:auto;
}
.node.selected{border-color:var(--accent);box-shadow:0 0 0 3px rgba(34,211,172,.18),0 6px 18px rgba(0,0,0,.4);}
.rubber-band{
  position:absolute;border:1.5px dashed var(--accent);
  background:rgba(34,211,172,.10);pointer-events:none;z-index:50;
}
.node-head{
  display:flex;align-items:center;gap:7px;padding:8px 10px;
  border-radius:9px 9px 0 0;cursor:grab;font-weight:600;font-size:12.5px;
  border-bottom:1px solid var(--border);
}
.node-head .ic{font-size:14px;}
.node-head span:not(.ic){overflow-wrap:anywhere;}
.node-head .dup{margin-inline-start:auto;opacity:.5;cursor:pointer;font-size:13px;flex-shrink:0;}
.node-head .dup:hover{opacity:1;color:var(--accent);}
.node-head .del{opacity:.5;cursor:pointer;font-size:13px;flex-shrink:0;}
.node-head .del:hover{opacity:1;color:var(--sell);}
.node-body{padding:8px 10px 14px;font-size:11.5px;color:var(--text-dim);line-height:1.6;}
/* دیگر با ... بریده نمی‌شود — با طولانی‌ترشدن متن، باکس عمودی بزرگ‌تر می‌شود */
.node-body .row{white-space:normal;overflow-wrap:anywhere;}
.node-body .muted{color:var(--text-faint);}

.port{
  position:absolute;width:13px;height:13px;border-radius:50%;
  background:var(--panel-3);border:2px solid var(--text-dim);
  cursor:crosshair;z-index:5;
}
.port:hover{transform:scale(1.25);border-color:var(--accent);}
/* ورودی بالای باکس، خروجی(ها) پایین باکس — مثل fxdreema، به‌جای کناره‌ها */
.port-in{top:-7px;left:50%;margin-inline-start:-7px;}
.port-out{bottom:-7px;left:50%;margin-inline-start:-7px;}
.port-true{bottom:-7px;left:28%;margin-inline-start:-7px;border-color:var(--buy);}
.port-false{bottom:-7px;left:72%;margin-inline-start:-7px;border-color:var(--sell);}
.port-label{position:absolute;font-size:9px;color:var(--text-faint);font-family:var(--mono);white-space:nowrap;}
.port-label.pl-true{bottom:-22px;left:28%;transform:translateX(-50%);color:var(--buy);}
.port-label.pl-false{bottom:-22px;left:72%;transform:translateX(-50%);color:var(--sell);}

.conn-path{fill:none;stroke-width:2.2;}
.conn-path.p-out{stroke:#6b7684;marker-end:url(#arrow-out);}
.conn-path.p-true{stroke:var(--buy);marker-end:url(#arrow-true);}
.conn-path.p-false{stroke:var(--sell);marker-end:url(#arrow-false);}
.conn-hit{fill:none;stroke:transparent;stroke-width:14px;pointer-events:stroke;cursor:pointer;}
.conn-del{
  fill:var(--panel-3);stroke:var(--border);cursor:pointer;pointer-events:all;
}
.conn-del:hover{fill:var(--sell);}
.conn-del-x{fill:var(--text-dim);font-size:10px;pointer-events:none;}

/* ---- properties panel ---- */
#props{
  width:290px;flex:0 0 auto;background:var(--panel);
  border-inline-end:1px solid var(--border);overflow-y:auto;
}
#propsEmpty{padding:26px 18px;color:var(--text-faint);font-size:12.5px;line-height:1.7;}
#propsForm{padding:14px;}
.props-title{
  display:flex;align-items:center;gap:8px;font-weight:700;font-size:13.5px;
  padding-bottom:10px;margin-bottom:12px;border-bottom:1px solid var(--border);
}
.props-title .dot{width:9px;height:9px;border-radius:50%;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:11.5px;color:var(--text-dim);margin-bottom:5px;}
.field input[type=text],.field input[type=number],.field select,.field textarea{
  width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  padding:7px 9px;border-radius:6px;font-size:12.5px;font-family:var(--sans);
}
.field textarea{resize:vertical;min-height:50px;font-family:var(--mono);}
#promptInput{
  width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);
  padding:9px 11px;border-radius:6px;font-size:13px;font-family:var(--sans);resize:vertical;box-sizing:border-box;
}
#promptInput:focus{outline:none;border-color:var(--accent, #6aa8ff);}
.field .hintline{font-size:10.5px;color:var(--text-faint);margin-top:4px;}
.field-row{display:flex;gap:8px;}
.field-row .field{flex:1;}
.chk{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--text);}

.cond-row{
  background:var(--panel-2);border:1px solid var(--border);border-radius:8px;
  padding:8px;margin-bottom:8px;
}
.cond-row .cond-row-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;}
.cond-row .cond-row-top .lbl{font-size:10.5px;color:var(--text-faint);font-family:var(--mono);}
.cond-row .rm{cursor:pointer;color:var(--text-faint);font-size:12px;}
.cond-row .rm:hover{color:var(--sell);}
.and-or{
  width:100%;text-align:center;margin:2px 0 8px;
}
.and-or select{width:auto;padding:4px 20px;font-weight:700;color:var(--cond);background:var(--panel-3);}

/* ===================== MODALS ===================== */
.modal-overlay{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);
  align-items:center;justify-content:center;z-index:200;
}
.modal-overlay.open{display:flex;}
.modal{
  width:min(760px,92vw);max-height:84vh;display:flex;flex-direction:column;
  background:var(--panel-2);border:1px solid var(--border);border-radius:12px;overflow:hidden;
  box-shadow:0 30px 80px rgba(0,0,0,.6);
}
.modal-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 16px;border-bottom:1px solid var(--border);font-weight:700;font-size:13.5px;background:var(--panel);
}
.modal-head > div{display:flex;gap:6px;}
.modal-body{padding:16px;overflow-y:auto;}
.hint{color:var(--text-dim);font-size:12px;line-height:1.8;margin-top:0;}
.hint code{background:var(--panel-3);padding:1px 6px;border-radius:4px;color:var(--accent);font-family:var(--mono);}
#codeOutput{
  margin:0;padding:16px;overflow:auto;background:#0a0c0f;color:#c9d6e3;
  font-family:var(--mono);font-size:12px;line-height:1.65;direction:ltr;text-align:left;white-space:pre;
}
.compile-status{display:none;padding:10px 16px;font-size:12px;line-height:1.8;border-bottom:1px solid var(--border);}
.compile-status.show{display:block;}
.compile-status.loading{color:var(--text-dim);}
.compile-status.success{color:var(--buy);background:rgba(52,201,118,.08);}
.compile-status.warn{color:var(--cond);background:rgba(245,185,66,.08);}
.compile-status.error{color:var(--sell);background:rgba(255,92,106,.08);}
.compile-status ul{margin:6px 0 0;padding-inline-start:18px;direction:ltr;text-align:left;font-family:var(--mono);font-size:11px;}
.compile-status li{margin-bottom:3px;}

#inputsTable,#projectsList table{width:100%;border-collapse:collapse;font-size:12.5px;margin-bottom:12px;}
#inputsTable th,#inputsTable td{padding:7px 8px;border-bottom:1px solid var(--border);text-align:right;}
#inputsTable input,#inputsTable select{width:100%;background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:5px 7px;border-radius:5px;font-size:12px;}

.proj-item{
  display:flex;align-items:center;gap:10px;padding:10px;border:1px solid var(--border);
  border-radius:8px;margin-bottom:8px;background:var(--panel);
}
.proj-item .pname{flex:1;font-weight:600;}
.proj-item .pdate{color:var(--text-faint);font-size:11px;}

/* ===================== STATUS BAR ===================== */
#statusbar{
  height:26px;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;
  padding:0 14px;background:var(--panel);border-top:1px solid var(--border);
  font-size:11px;color:var(--text-faint);font-family:var(--mono);
}

/* ===================== TOAST ===================== */
#toast{
  position:fixed;bottom:36px;left:50%;transform:translateX(-50%) translateY(20px);
  background:var(--panel-3);border:1px solid var(--border);color:var(--text);
  padding:10px 18px;border-radius:8px;font-size:12.5px;opacity:0;pointer-events:none;
  transition:.25s;z-index:300;box-shadow:0 10px 30px rgba(0,0,0,.5);
}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* scrollbars */
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:#2a3038;border-radius:6px;}
::-webkit-scrollbar-thumb:hover{background:#39414c;}

@media (max-width:980px){
  #palette{width:200px;}
  #props{width:240px;}
}