:root{
  --bg:#0e1621;
  --gold:#e7b64b;
  --gold-soft:rgba(231,182,75,.12);
  --ink:#0f172a;
  --panel:#131f2d;
  --panel-2:#1b2a3c;
  --line:#26384d;
  --txt:#e8eef6;
  --txt-dim:#9fb1c6;
  --node-bg:#f7fafc;
  --node-ink:#101828;
  --node-sub:#5b6b80;
  --auto-bg:#16202d;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%;font-family:'Montserrat',system-ui,sans-serif;background:var(--bg);color:var(--txt);-webkit-font-smoothing:antialiased;overscroll-behavior:none}
button{font-family:inherit}
a{color:var(--gold)}

/* ===== VIEW SYSTEM ===== */
.view{display:none}
.view.active{display:block}

/* ===== AUTH / DASHBOARD SHARED BG ===== */
#view-auth,#view-dash{min-height:100%;
  background:
    radial-gradient(1200px 600px at 80% -10%,rgba(231,182,75,.10),transparent 60%),
    radial-gradient(900px 500px at -10% 110%,rgba(59,130,246,.12),transparent 60%),
    var(--bg);
}

/* ===== AUTH ===== */
#view-auth{display:none;align-items:center;justify-content:center;padding:24px}
#view-auth.active{display:flex}
.auth-card{width:100%;max-width:400px;background:rgba(19,31,45,.85);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:20px;padding:34px 30px;box-shadow:0 30px 80px -20px rgba(0,0,0,.7)}
.auth-brand{display:flex;flex-direction:column;align-items:center;text-align:center;margin-bottom:22px}
.auth-brand .logo{width:52px;height:52px;border-radius:15px;background:linear-gradient(135deg,#f2cf78,#c8912b);
  display:flex;align-items:center;justify-content:center;font-size:26px;box-shadow:0 10px 26px -8px rgba(231,182,75,.6);margin-bottom:14px}
.auth-brand h1{margin:0;font-size:20px;font-weight:800;letter-spacing:-.3px}
.auth-brand h1 b{color:var(--gold)}
.auth-brand p{margin:5px 0 0;font-size:12.5px;color:var(--txt-dim);font-weight:500}
.auth-tabs{display:flex;background:var(--ink);border:1px solid var(--line);border-radius:11px;padding:4px;margin-bottom:20px}
.auth-tabs button{flex:1;border:0;background:transparent;color:var(--txt-dim);font-weight:700;font-size:13px;
  padding:9px;border-radius:8px;cursor:pointer;transition:.15s}
.auth-tabs button.on{background:var(--panel-2);color:#fff}
.auth-field{margin-bottom:13px}
.auth-field label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--txt-dim);margin-bottom:6px}
.auth-field input{width:100%;background:var(--ink);border:1px solid var(--line);color:var(--txt);
  border-radius:10px;padding:12px 13px;font-size:14px;font-family:inherit;outline:none}
.auth-field input:focus{border-color:var(--gold)}
.auth-submit{width:100%;border:0;background:var(--gold);color:#101018;font-weight:800;font-size:14px;
  padding:13px;border-radius:11px;cursor:pointer;margin-top:6px;transition:.15s}
.auth-submit:hover{filter:brightness(1.06)}
.auth-submit:disabled{opacity:.6;cursor:default}
.auth-sep{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--txt-dim);font-size:11px;font-weight:600}
.auth-sep::before,.auth-sep::after{content:"";flex:1;height:1px;background:var(--line)}
.google-btn{width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  border:1px solid var(--line);background:#fff;color:#1f2937;font-weight:700;font-size:14px;
  padding:12px;border-radius:11px;cursor:pointer;transition:.15s}
.google-btn:hover{background:#f2f4f7}
.google-btn svg{width:18px;height:18px}
.auth-msg{margin-top:14px;font-size:12.5px;font-weight:600;text-align:center;min-height:16px}
.auth-msg.err{color:#ff9b9b}
.auth-msg.ok{color:#7ee0a4}
.auth-foot{margin-top:18px;text-align:center;font-size:11px;color:var(--txt-dim)}

/* ===== DASHBOARD ===== */
#view-dash{padding-bottom:60px}
.dash-top{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;padding:16px 26px;
  background:rgba(12,18,28,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.dash-top .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#f2cf78,#c8912b);
  display:flex;align-items:center;justify-content:center;font-size:19px;flex:0 0 auto}
.dash-top .title{font-size:16px;font-weight:800;letter-spacing:-.2px}
.dash-top .title b{color:var(--gold)}
.dash-top .spacer{flex:1}
.dash-user{font-size:12px;color:var(--txt-dim);font-weight:600;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dash-wrap{max-width:1080px;margin:0 auto;padding:34px 26px}
.dash-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;flex-wrap:wrap}
.dash-head h2{margin:0;font-size:24px;font-weight:800;letter-spacing:-.5px}
.dash-head p{margin:4px 0 0;font-size:13px;color:var(--txt-dim)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px}
.flow-card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;cursor:pointer;
  transition:.16s;position:relative;overflow:hidden}
.flow-card:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(0,0,0,.7)}
.flow-card .fc-ico{width:42px;height:42px;border-radius:12px;background:linear-gradient(135deg,#60a5fa,#2563eb);
  display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:14px}
.flow-card .fc-name{font-size:15px;font-weight:800;letter-spacing:-.2px;margin-bottom:4px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.flow-card .fc-meta{font-size:11.5px;color:var(--txt-dim);font-weight:600}
.flow-card .fc-actions{position:absolute;top:12px;right:12px;display:flex;gap:4px;opacity:0;transition:.15s}
.flow-card:hover .fc-actions{opacity:1}
.flow-card .fc-actions button{width:28px;height:28px;border:0;border-radius:8px;background:var(--panel-2);
  color:var(--txt-dim);cursor:pointer;font-size:13px}
.flow-card .fc-actions button:hover{background:var(--gold);color:#101018}
.new-card{border:1.5px dashed var(--line);background:transparent;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:8px;min-height:150px;color:var(--txt-dim);font-weight:700}
.new-card:hover{border-color:var(--gold);color:var(--gold)}
.new-card .plus{font-size:30px;line-height:1}
.dash-empty{text-align:center;color:var(--txt-dim);padding:40px}
.btn-ghost{border:1px solid var(--line);background:var(--panel-2);color:var(--txt);font-size:12px;font-weight:700;
  padding:9px 14px;border-radius:9px;cursor:pointer;transition:.15s}
.btn-ghost:hover{border-color:var(--gold);color:#fff}

/* ===== EDITOR (viewport/world) ===== */
#view-editor{position:relative}
#viewport{position:fixed;inset:0;overflow:hidden;cursor:grab;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(231,182,75,.12) 1px,transparent 1px);
  background-size:26px 26px;touch-action:none}
#viewport.grabbing{cursor:grabbing}
body.edit #viewport{cursor:default}
#world{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}
#edges{position:absolute;top:0;left:0;overflow:visible;pointer-events:none}

/* nodes */
.node{position:absolute;width:214px;background:var(--node-bg);color:var(--node-ink);
  border-radius:16px;padding:13px 14px;display:flex;gap:11px;align-items:flex-start;
  box-shadow:0 14px 34px -12px rgba(0,0,0,.55),0 3px 10px rgba(0,0,0,.25);
  border:1px solid rgba(255,255,255,.6);user-select:none;transition:box-shadow .18s;z-index:3}
body.edit .node{cursor:grab}
body.edit .node:active{cursor:grabbing}
.node:hover{box-shadow:0 20px 46px -12px rgba(0,0,0,.62),0 3px 12px rgba(0,0,0,.3)}
.node .ico{flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;
  justify-content:center;font-size:20px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.35),0 4px 10px rgba(0,0,0,.25)}
.node .body{min-width:0;flex:1}
.node .t{font-size:14px;font-weight:700;line-height:1.2;letter-spacing:-.2px}
.node .s{font-size:11.5px;font-weight:500;color:var(--node-sub);margin-top:3px;line-height:1.3}
.node .tag{display:inline-block;margin-top:7px;font-size:10px;font-weight:700;letter-spacing:.3px;
  text-transform:uppercase;padding:3px 8px;border-radius:999px;background:rgba(15,23,42,.07);color:#33465f}
.node::before,.node::after{content:"";position:absolute;top:50%;width:9px;height:9px;border-radius:50%;
  background:#cdd7e3;transform:translateY(-50%);box-shadow:0 0 0 3px rgba(0,0,0,.06)}
.node::before{left:-4px}
.node::after{right:-4px}
.node.auto{background:var(--auto-bg);color:#eaf1fa;border:1.5px dashed var(--gold);
  box-shadow:0 16px 40px -12px rgba(0,0,0,.7),0 0 0 1px rgba(231,182,75,.15)}
.node.auto .s{color:#9fb6cf}
.node.auto .tag{background:rgba(231,182,75,.14);color:var(--gold)}
.node.auto::before,.node.auto::after{background:var(--gold)}
.node .autoflag{position:absolute;top:-11px;left:12px;font-size:9.5px;font-weight:800;letter-spacing:.5px;
  color:#101018;background:var(--gold);padding:2px 8px;border-radius:999px;display:none;
  box-shadow:0 4px 10px rgba(231,182,75,.4)}
.node.auto .autoflag{display:block}
.node .handle{position:absolute;right:-11px;top:50%;transform:translateY(-50%);width:18px;height:18px;
  border-radius:50%;background:var(--gold);border:2px solid #0e1621;cursor:crosshair;display:none;
  box-shadow:0 3px 8px rgba(231,182,75,.5);z-index:5}
.node .handle::after{content:"";position:absolute;inset:4px;border-radius:50%;background:#0e1621}
body.edit .node .handle{display:block}
body.edit .node .handle:hover{transform:translateY(-50%) scale(1.18)}

.phase{position:absolute;font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;white-space:nowrap;z-index:2;pointer-events:none;
  box-shadow:0 6px 16px -6px rgba(0,0,0,.6);border:1px solid rgba(255,255,255,.12)}

.edge-line{fill:none;stroke-width:2.4;stroke-linecap:round;stroke-dasharray:7 7;animation:flow 1s linear infinite}
@keyframes flow{to{stroke-dashoffset:-14}}
.edge-hit{fill:none;stroke:transparent;stroke-width:22}
body.edit .edge-hit{pointer-events:stroke;cursor:pointer}
.edge-line.hot{stroke-width:4}
.edge-label{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:700;fill:#eaf1fa;
  paint-order:stroke;stroke:#0e1621;stroke-width:4px;stroke-linejoin:round;text-anchor:middle;pointer-events:none}
.loop-line{fill:none;stroke:var(--gold);stroke-width:2.4;stroke-dasharray:7 7;animation:flowrev 1s linear infinite}
@keyframes flowrev{to{stroke-dashoffset:14}}
.loop-label{font-family:'Montserrat',sans-serif;font-size:12px;font-weight:800;fill:var(--gold);
  paint-order:stroke;stroke:#0e1621;stroke-width:4px;stroke-linejoin:round}
.temp-line{fill:none;stroke:var(--gold);stroke-width:2.6;stroke-dasharray:5 6;stroke-linecap:round}

#edgebar{position:fixed;z-index:60;display:none;gap:4px;padding:4px;border-radius:10px;
  background:#0c1420;border:1px solid var(--line);box-shadow:0 10px 30px rgba(0,0,0,.6);transform:translate(-50%,-50%)}
#edgebar button{width:30px;height:30px;border:0;border-radius:7px;background:#1b2a3c;color:#eaf1fa;
  cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center}
#edgebar button:hover{background:var(--gold);color:#101018}

/* editor topbar */
#topbar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;gap:14px;
  padding:11px 18px;background:rgba(12,18,28,.72);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
#backBtn{border:1px solid var(--line);background:var(--panel-2);color:var(--txt);font-size:13px;font-weight:700;
  padding:8px 12px;border-radius:9px;cursor:pointer;white-space:nowrap}
#backBtn:hover{border-color:var(--gold);color:#fff}
#flowNameWrap{display:flex;flex-direction:column;min-width:0}
#flowName{background:transparent;border:1px solid transparent;color:#fff;font-size:15px;font-weight:800;
  padding:4px 6px;border-radius:7px;outline:none;max-width:230px}
#flowName:hover,#flowName:focus{border-color:var(--line);background:var(--ink)}
#saveState{font-size:10.5px;font-weight:600;color:var(--txt-dim);padding-left:6px}
#saveState.saving{color:var(--gold)}
#legend{display:flex;flex-wrap:wrap;gap:11px;align-items:center;flex:1;min-width:0}
.leg{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:600;color:var(--txt-dim);white-space:nowrap}
.leg .dot{width:11px;height:11px;border-radius:50%}
.leg .dot.auto{background:transparent;border:1.5px dashed var(--gold)}
#tools{display:flex;gap:7px;align-items:center;flex-wrap:wrap}
.tb{border:1px solid var(--line);background:var(--panel-2);color:var(--txt);font-size:12px;font-weight:600;
  padding:8px 11px;border-radius:9px;cursor:pointer;transition:.15s;white-space:nowrap}
.tb:hover{border-color:var(--gold);color:#fff}
.tb.on{background:#20344a;border-color:var(--gold);color:var(--gold)}

#zoom{position:fixed;right:18px;bottom:18px;z-index:40;display:flex;flex-direction:column;
  background:rgba(12,18,28,.82);backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:12px;overflow:hidden}
#zoom button{width:44px;height:40px;border:0;background:transparent;color:var(--txt);font-size:16px;cursor:pointer;border-bottom:1px solid var(--line)}
#zoom button:last-child{border-bottom:0}
#zoom button:hover{background:var(--panel-2);color:var(--gold)}
#zoom .pct{font-size:11px;font-weight:700;color:var(--txt-dim);cursor:default}

#hint{position:fixed;left:18px;bottom:18px;z-index:35;font-size:11px;color:var(--txt-dim);
  background:rgba(12,18,28,.7);backdrop-filter:blur(8px);padding:8px 13px;border-radius:9px;
  border:1px solid var(--line);max-width:52vw;line-height:1.4}
#hint b{color:var(--gold)}

/* drawer */
#scrim{position:fixed;inset:0;z-index:70;background:rgba(4,8,14,.5);backdrop-filter:blur(2px);display:none}
#scrim.open{display:block}
.drawer{position:fixed;top:0;right:0;height:100%;width:380px;max-width:92vw;z-index:80;
  background:var(--panel);border-left:1px solid var(--line);box-shadow:-24px 0 60px rgba(0,0,0,.5);
  transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.drawer.open{transform:translateX(0)}
.dw-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.dw-head h3{margin:0;font-size:15px;font-weight:800}
.dw-head .x{border:0;background:transparent;color:var(--txt-dim);font-size:22px;cursor:pointer;line-height:1}
.dw-head .x:hover{color:#fff}
.dw-body{padding:18px 20px;overflow:auto;flex:1}
.dw-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:10px}
.fld{margin-bottom:15px}
.fld label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--txt-dim);margin-bottom:6px}
.fld input[type=text],.fld textarea,.fld select{width:100%;background:var(--ink);border:1px solid var(--line);
  color:var(--txt);border-radius:9px;padding:10px 12px;font-size:13px;font-family:inherit;outline:none}
.fld input[type=text]:focus,.fld textarea:focus,.fld select:focus{border-color:var(--gold)}
.fld textarea{resize:vertical;min-height:60px}
.chk{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:13px;font-weight:600}
.chk input{width:18px;height:18px;accent-color:var(--gold)}
.icogrid{display:grid;grid-template-columns:repeat(8,1fr);gap:5px;max-height:150px;overflow:auto;
  background:var(--ink);border:1px solid var(--line);border-radius:9px;padding:8px;margin-bottom:8px}
.icogrid button{border:0;background:transparent;font-size:19px;cursor:pointer;border-radius:7px;padding:4px 0;transition:.1s}
.icogrid button:hover{background:var(--panel-2)}
.icogrid button.sel{background:var(--gold-soft);box-shadow:inset 0 0 0 1.5px var(--gold)}
.btn{border:1px solid var(--line);background:var(--panel-2);color:var(--txt);font-weight:700;font-size:13px;
  padding:11px 14px;border-radius:9px;cursor:pointer;flex:1;transition:.15s}
.btn:hover{border-color:var(--gold)}
.btn.primary{background:var(--gold);color:#101018;border-color:var(--gold)}
.btn.danger{background:#2a1518;color:#ff8f8f;border-color:#5a2630}
.btn.danger:hover{background:#3a1a1e}
.phrow{display:flex;gap:9px;align-items:center;background:var(--ink);border:1px solid var(--line);
  border-radius:10px;padding:9px;margin-bottom:9px}
.phrow input[type=color]{width:34px;height:34px;border:0;border-radius:8px;background:none;padding:0;cursor:pointer}
.phrow input[type=text]{flex:1;background:transparent;border:0;color:var(--txt);font-size:13px;font-weight:600;outline:none}
.phrow .del{border:0;background:transparent;color:#ff8f8f;font-size:16px;cursor:pointer}
.addph{border:1px dashed var(--line);background:transparent;color:var(--txt-dim);font-weight:700;font-size:13px;
  padding:10px;border-radius:9px;cursor:pointer;width:100%}
.addph:hover{border-color:var(--gold);color:var(--gold)}

#toasts{position:fixed;left:50%;bottom:74px;transform:translateX(-50%);z-index:120;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:#0c1420;border:1px solid var(--gold);color:#fff;font-size:13px;font-weight:600;
  padding:10px 18px;border-radius:999px;box-shadow:0 10px 30px rgba(0,0,0,.5);animation:pop .25s}
@keyframes pop{from{opacity:0;transform:translateY(8px)}}

/* loading overlay */
#boot{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;background:var(--bg)}
#boot .sp{width:38px;height:38px;border-radius:50%;border:3px solid var(--line);border-top-color:var(--gold);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

@media(max-width:820px){
  #legend{display:none}
  #hint{max-width:80vw}
  #flowName{max-width:150px}
}