:root{
  --bg:#050505;
  --bg2:#0b0b0b;
  --surf:#111111;
  --surf2:#171717;
  --line:rgba(255,255,255,.08);
  --text:#f4f1ea;
  --muted:#b7b2a7;
  --faint:#7d786f;
  --acc:#d7c4a3;
  --acc2:#f0e6d4;
  --ok:#b8d4b0;
  --warn:#e2c48a;
  --bad:#d9a39a;
  --glow:rgba(255,244,220,.16);
  --shadow:0 20px 60px rgba(0,0,0,.55);
  --r:16px;
  --font:'Vazirmatn',Tahoma,system-ui,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.8;direction:rtl;min-height:100%}
a{color:var(--acc);text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{margin:0 0 .6rem;font-weight:600;letter-spacing:-.02em}
.pub-body{
  min-height:100vh;
  background:
    radial-gradient(900px 420px at 80% -10%, rgba(255,236,200,.12), transparent 55%),
    radial-gradient(700px 380px at 0% 20%, rgba(255,255,255,.05), transparent 50%),
    radial-gradient(600px 300px at 50% 110%, rgba(215,196,163,.08), transparent 45%),
    var(--bg);
}
.app-body{background:var(--bg)}
.pub-nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 40px;position:sticky;top:0;z-index:20;
  background:rgba(5,5,5,.72);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.pub-nav nav{display:flex;gap:18px;align-items:center}
.brand{color:var(--text);font-weight:700;letter-spacing:.08em;font-size:18px}
.brand span{color:var(--acc);text-shadow:0 0 18px rgba(255,236,200,.35)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--text);padding:10px 16px;border-radius:12px;cursor:pointer;transition:.2s ease}
.btn:hover{border-color:rgba(255,236,200,.28);box-shadow:0 0 22px rgba(255,236,200,.08);transform:translateY(-1px)}
.btn-primary{background:linear-gradient(180deg,#f3eadb,#d7c4a3);border-color:transparent;color:#111}
.btn-primary:hover{box-shadow:0 0 28px rgba(255,236,200,.28)}
.btn-ghost{background:transparent}
.btn-ok{background:#182018;border-color:#314531;color:var(--ok)}
.btn-bad{background:#241616;border-color:#4a3030;color:var(--bad)}
.hero{max-width:980px;margin:0 auto;padding:88px 24px 28px;text-align:center}
.hero h1{font-size:52px;line-height:1.2;text-shadow:0 0 40px rgba(255,244,220,.12)}
.hero p{color:var(--muted);font-size:18px;max-width:640px;margin:16px auto 28px}
.hero-canvas{
  max-width:980px;margin:12px auto 64px;border-radius:22px;min-height:300px;
  background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));
  border:1px solid var(--line);box-shadow:var(--shadow),0 0 80px rgba(255,236,200,.05);
  position:relative;overflow:hidden;
}
.hero-canvas:before{
  content:"";position:absolute;inset:-20%;
  background:radial-gradient(circle at 30% 40%, rgba(255,236,200,.12), transparent 32%),
             radial-gradient(circle at 80% 70%, rgba(255,255,255,.05), transparent 28%);
  pointer-events:none;
}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:980px;margin:0 auto 90px;padding:0 24px}
.card{
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.015));
  border:1px solid var(--line);border-radius:18px;padding:22px;
  box-shadow:0 10px 30px rgba(0,0,0,.25);
}
.card h3{font-size:16px}.card p{color:var(--muted);margin:6px 0 0}
.auth-wrap{min-height:calc(100vh - 70px);display:grid;place-items:center;padding:48px 16px}
.auth-card{
  width:100%;max-width:420px;padding:32px;border-radius:22px;
  background:rgba(12,12,12,.88);border:1px solid var(--line);
  box-shadow:0 0 60px rgba(255,236,200,.06), var(--shadow);
}
label{display:block;font-size:12px;color:var(--muted);margin:12px 0 6px}
input,select,textarea{width:100%;background:#0a0a0a;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
input:focus,select:focus,textarea:focus{outline:none;border-color:rgba(215,196,163,.55);box-shadow:0 0 0 4px rgba(215,196,163,.08)}
.alert{background:#2a1818;color:#f3d4d0;border:1px solid #4a3030;padding:10px 12px;border-radius:12px;margin-bottom:12px}
.pricing{max-width:1140px;margin:20px auto 90px;padding:0 24px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.price-card{
  background:rgba(12,12,12,.8);border:1px solid var(--line);border-radius:20px;padding:24px;
  display:flex;flex-direction:column;min-height:460px;position:relative;overflow:hidden;
}
.price-card.feat{border-color:rgba(215,196,163,.45);box-shadow:0 0 50px rgba(255,236,200,.08)}
.price-card.feat:after{
  content:"";position:absolute;inset:auto auto -40px -40px;width:160px;height:160px;
  background:radial-gradient(circle,rgba(255,236,200,.16),transparent 70%);
}
.price{font-size:24px;font-weight:700;margin:10px 0 16px}
.price-card ul{padding-right:18px;color:var(--muted);flex:1}
.app-shell{display:grid;grid-template-columns:250px 1fr;min-height:100vh}
.sidebar{background:#080808;border-left:1px solid var(--line);display:flex;flex-direction:column;padding:18px 14px}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:22px;flex:1}
.side-nav a{display:flex;align-items:center;gap:10px;color:var(--muted);padding:10px 12px;border-radius:12px}
.side-nav a.active,.side-nav a:hover{background:rgba(255,255,255,.04);color:var(--text);box-shadow:inset 0 0 0 1px rgba(255,236,200,.12)}
.side-foot{border-top:1px solid var(--line);padding-top:12px}
.ws-select{width:100%;margin-bottom:10px}
.user-chip{display:flex;gap:8px;align-items:center;margin:8px 0}
.avatar{width:30px;height:30px;border-radius:50%;background:#1a1a1a;display:grid;place-items:center;font-size:12px;box-shadow:0 0 16px rgba(255,236,200,.12)}
.u-name{font-size:13px}.u-mail{font-size:11px;color:var(--faint)}
.logout{color:var(--faint);font-size:12px}
.app-main{display:flex;flex-direction:column;min-width:0;background:
  radial-gradient(700px 240px at 100% 0, rgba(255,236,200,.05), transparent 50%),
  var(--bg)}
.topbar{display:flex;align-items:center;gap:12px;padding:16px 24px;border-bottom:1px solid var(--line);background:rgba(5,5,5,.7);backdrop-filter:blur(12px)}
.topbar h1{font-size:18px;font-weight:600}
.page{padding:24px;flex:1}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;padding:18px;box-shadow:0 0 24px rgba(255,236,200,.03)}
.stat b{display:block;font-size:26px;margin-top:6px}
.stat span{color:var(--muted);font-size:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{text-align:right;padding:12px 8px;border-bottom:1px solid var(--line);font-size:13px}
.table th{color:var(--muted);font-weight:500}
.badge{display:inline-block;font-size:11px;padding:3px 9px;border-radius:999px;border:1px solid var(--line);color:var(--muted)}
.badge.pub{color:var(--ok);border-color:#314531}
.badge.draft{color:var(--warn);border-color:#4a3d22}
.badge.wait{color:var(--acc)}
.row-actions{display:flex;gap:6px;flex-wrap:wrap}
.empty{color:var(--muted);padding:28px;text-align:center}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px}
.builder-page{padding:0;display:flex;flex-direction:column;height:calc(100vh - 53px)}
.builder-top{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);background:#080808}
.builder-top input.name{max-width:260px;background:transparent;border:none;font-weight:600}
.builder-body{display:grid;grid-template-columns:220px 1fr 280px;flex:1;min-height:0}
.palette,.props{background:#080808;border-left:1px solid var(--line);overflow:auto;padding:12px}
.props{border-left:none;border-right:1px solid var(--line)}
.p-item{background:#111;border:1px solid var(--line);border-radius:12px;padding:8px 10px;margin:6px 0;cursor:grab;font-size:13px}
.p-item small{display:block;color:var(--faint);font-size:11px}
.canvas-wrap{position:relative;overflow:hidden;background:
  linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px) 0 0/22px 22px,
  linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0/22px 22px,
  #070707}
#c-inner{position:absolute;transform-origin:0 0}
.node{position:absolute;width:200px;background:#111;border:1px solid var(--line);border-radius:14px;box-shadow:var(--shadow);user-select:none}
.node.sel{border-color:var(--acc);box-shadow:0 0 0 1px var(--acc),0 0 24px rgba(255,236,200,.15)}
.node-h{padding:8px 10px;border-bottom:1px solid var(--line);font-size:12px;font-weight:600;display:flex;justify-content:space-between}
.node-b{padding:8px 10px;color:var(--muted);font-size:11px}
.port{position:absolute;width:10px;height:10px;border-radius:50%;background:var(--acc);border:2px solid #050505;cursor:crosshair;box-shadow:0 0 10px rgba(255,236,200,.4)}
.port.in{right:-6px;top:28px}
.port.out{left:-6px;top:28px}
.port.yes{left:-6px;top:22px;background:var(--ok)}
.port.no{left:-6px;top:42px;background:var(--bad)}
.port.rejected{left:-6px;bottom:8px;background:var(--warn)}
svg.wires{position:absolute;inset:0;pointer-events:none;overflow:visible}
.chat-layout{display:grid;grid-template-columns:300px 1fr;min-height:calc(100vh - 120px);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.conv-list{background:#080808;border-left:1px solid var(--line);overflow:auto}
.conv{padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer}
.conv.active{background:#141414}
.chat-pane{display:flex;flex-direction:column;background:#0d0d0d}
.msgs{flex:1;overflow:auto;padding:16px;display:flex;flex-direction:column;gap:8px}
.bubble{max-width:70%;padding:8px 12px;border-radius:12px}
.bubble.user{align-self:flex-start;background:#171717;border:1px solid var(--line)}
.bubble.admin{align-self:flex-end;background:#1b1914;border:1px solid rgba(215,196,163,.2)}
.chat-in{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}
#toast{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:8px;z-index:50}
.toast{background:#141414;border:1px solid var(--line);padding:10px 14px;border-radius:12px;box-shadow:var(--shadow)}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;z-index:40}
.modal{background:#111;border:1px solid var(--line);border-radius:20px;padding:20px;width:min(420px,92vw)}
.mobile-only{display:none}
.timeline{border-right:1px solid var(--line);margin-right:8px;padding-right:16px}
.tl-item{margin:0 0 14px;position:relative}
.tl-item:before{content:'';width:8px;height:8px;background:var(--acc);border-radius:50%;position:absolute;right:-21px;top:6px;box-shadow:0 0 10px rgba(255,236,200,.5)}
.pub-run{max-width:560px;margin:40px auto;padding:0 16px}
.node.start .node-h{border-right:3px solid var(--ok)}
.node.end .node-h{border-right:3px solid var(--bad)}
.node.form .node-h{border-right:3px solid var(--acc)}
.node.task .node-h{border-right:3px solid #cfc6b8}
.node.approval .node-h{border-right:3px solid var(--warn)}
.node.condition .node-h{border-right:3px solid #d9d3c7}
@media(max-width:980px){
  .features,.pricing,.stats,.grid-2,.builder-body{grid-template-columns:1fr}
  .app-shell{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:0 0 0 auto;width:250px;transform:translateX(110%);z-index:20;transition:.2s}
  .sidebar.open{transform:none}
  .mobile-only{display:inline-flex}
  .chat-layout{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .pub-nav{padding:14px 16px}
}