:root{
  --paper:#efe5cc;
  --paper-2:#e7dbbf;
  --paper-3:#e2d4b2;
  --ink:#2a2317;
  --ink-soft:#5c5138;
  --ink-mute:#8a7d5f;
  --garnet:#7c2d43;
  --garnet-2:#8f3550;
  --line:rgba(42,35,23,.16);
  --line-2:rgba(42,35,23,.10);
  --ok:#4a6b3f;
  --sans:"Spectral",Georgia,serif;
  --disp:"IM Fell English",Georgia,serif;
  --sc:"IM Fell English SC","IM Fell English",Georgia,serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%}
body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}
::selection{background:rgba(124,45,67,.2)}
a{color:var(--garnet);text-decoration:none}
em{font-style:italic;color:var(--ink)}
.mono{font-family:var(--mono);font-size:.88em}
.muted{color:var(--ink-mute)}
.right{text-align:right}
.break{word-break:break-all}

.grain{position:fixed;inset:0;z-index:80;pointer-events:none;opacity:.42;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='matrix' values='0 0 0 0 0.36 0 0 0 0 0.30 0 0 0 0 0.19 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E")}

/* seal / brand */
.brand-seal{width:26px;height:26px;flex:none;transform:rotate(-8deg);filter:drop-shadow(1px 1.5px 1px rgba(42,35,23,.2))}
.brand-seal .wax{fill:var(--garnet);stroke:#5d1f31;stroke-width:2}
.brand-seal .ring{fill:none;stroke:rgba(239,229,204,.35);stroke-width:1.6;stroke-dasharray:2.5 3.5}
.brand-seal text{font-family:var(--sc);font-size:40px;fill:rgba(239,229,204,.92);text-anchor:middle}
.brand{display:inline-flex;align-items:center;gap:11px;color:var(--ink);font-family:var(--sc);font-size:19px;letter-spacing:.1em}
.brand.center{justify-content:center;font-size:22px;margin-bottom:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:11px 22px;font-family:var(--sc);font-size:15px;letter-spacing:.06em;color:var(--paper);background:var(--ink);border:0;border-radius:0;cursor:pointer;text-decoration:none;transition:transform .12s ease,background .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-ink{background:var(--ink)}.btn-ink:hover{background:#3a3120}
.btn-garnet{background:var(--garnet)}.btn-garnet:hover{background:var(--garnet-2)}
.btn.block{display:flex;width:100%}
.btn-sm{padding:7px 14px;font-size:13.5px}
.btn-text{font-family:var(--sc);letter-spacing:.05em;color:var(--garnet);align-self:center}
.btn-text:hover{color:var(--garnet-2)}
.linkbtn{background:none;border:0;color:var(--ink-soft);font-family:var(--sc);font-size:14px;letter-spacing:.05em;cursor:pointer}
.linkbtn:hover{color:var(--garnet)}
.tlink{font-family:var(--sc);font-size:14px;letter-spacing:.04em;color:var(--garnet)}
.rowlink{color:var(--ink);font-weight:500}
.rowlink:hover{color:var(--garnet)}

/* inputs */
.input{width:100%;background:rgba(255,255,255,.35);border:0;border-bottom:1.5px solid var(--line);padding:9px 4px;font-family:var(--sans);font-size:15px;color:var(--ink);transition:border-color .15s ease}
.input:focus{outline:none;border-bottom-color:var(--garnet);background:rgba(255,255,255,.55)}
.input-sm{width:90px;display:inline-block}
.unit{font-family:var(--sc);color:var(--ink-mute);font-size:13px;letter-spacing:.04em;margin:0 10px 0 4px}

/* ===== auth ===== */
.auth{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:40px 20px}
.auth-card{width:min(400px,100%);background:var(--paper-2);border:1px solid var(--line);padding:38px 34px 30px;text-align:center;box-shadow:0 24px 60px rgba(42,35,23,.10)}
.auth-h{font-family:var(--disp);font-weight:400;font-size:34px;margin:14px 0 22px;letter-spacing:-.01em}
.stack{display:flex;flex-direction:column;gap:18px;text-align:left}
.stack label{display:flex;flex-direction:column;gap:7px;font-family:var(--sc);font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft)}
.auth-alt{margin-top:20px;font-size:14px;color:var(--ink-soft)}
.err{background:rgba(124,45,67,.10);border-left:2px solid var(--garnet);color:var(--garnet);padding:9px 12px;font-size:14px;text-align:left;margin-bottom:6px}

/* ===== app shell ===== */
.topbar{position:fixed;top:0;left:0;right:0;height:60px;z-index:90;display:flex;align-items:center;justify-content:space-between;padding:0 30px;background:var(--paper);border-bottom:1px solid var(--line)}
.topbar-right{display:flex;align-items:center;gap:20px}
.who{font-family:var(--mono);font-size:12.5px;color:var(--ink-mute)}
.shell{display:grid;grid-template-columns:232px 1fr;min-height:100vh;padding-top:60px}
.sidenav{border-right:1px solid var(--line);padding:26px 18px;display:flex;flex-direction:column;gap:2px;position:sticky;top:60px;height:calc(100vh - 60px)}
.navitem{font-family:var(--sc);font-size:15px;letter-spacing:.05em;color:var(--ink-soft);padding:9px 12px;border-left:2px solid transparent}
.navitem:hover{color:var(--ink);background:rgba(42,35,23,.03)}
.navitem.on{color:var(--ink);border-left-color:var(--garnet);background:rgba(124,45,67,.06)}
.nav-sep{height:1px;background:var(--line);margin:12px 8px}
.main{padding:40px 44px 64px;max-width:1080px}

/* page head */
.page-head{margin-bottom:26px}
.kicker{font-family:var(--sc);font-size:12px;letter-spacing:.2em;text-transform:uppercase;color:var(--garnet);margin-bottom:8px}
.page-head h1{font-family:var(--disp);font-weight:400;font-size:28px;line-height:1.1;letter-spacing:-.01em}
.crumb{margin-top:8px;color:var(--ink-mute);font-size:12.5px}
.lede{font-size:16px;color:var(--ink-soft);max-width:60ch;margin:22px 0}
.cta-row{display:flex;align-items:center;gap:22px;margin-top:6px}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.stat{padding:22px 24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat .lbl{font-family:var(--sc);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-mute);margin-bottom:12px}
.stat .val{font-family:var(--disp);font-size:40px;line-height:1;color:var(--ink)}

/* forms inline */
.inline-form{display:flex;align-items:center;gap:14px;margin:8px 0 26px;flex-wrap:wrap}
.inline-form .input{width:auto;min-width:240px}

/* tables */
.tbl{width:100%;border-collapse:collapse;margin-bottom:20px}
.tbl thead th{text-align:left;font-family:var(--sc);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);font-weight:400;padding:8px 14px 8px 0;border-bottom:1px solid var(--line)}
.tbl tbody td{padding:12px 14px 12px 0;border-bottom:1px solid var(--line-2);vertical-align:middle}
.tbl tbody tr:hover td{background:rgba(42,35,23,.02)}
.pill{font-family:var(--sc);font-size:12px;letter-spacing:.06em;color:var(--ok);text-transform:lowercase}
.pill::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ok);margin-right:7px;vertical-align:middle}

/* cards */
.cards{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-bottom:34px}
.card{background:var(--paper-2);border:1px solid var(--line);padding:24px 24px 26px}
.card-h{font-family:var(--sc);font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-soft);padding-bottom:12px;margin-bottom:16px;border-bottom:1px solid var(--line)}
.kv{display:flex;justify-content:space-between;gap:16px;padding:7px 0;font-size:14px;border-bottom:1px solid var(--line-2)}
.kv .k{color:var(--ink-mute);font-family:var(--sc);letter-spacing:.04em;flex:none}
.kv .v{text-align:right}
.kv .v.break{text-align:left;max-width:60%}
.card .btn{margin-top:18px}
.hint{margin-top:14px;font-size:13px;color:var(--ink-mute);line-height:1.55}
.soon{font-family:var(--sc);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mute);margin-left:8px}

/* new key */
.newkey{background:var(--ink);color:var(--paper);padding:18px 22px;margin:0 0 30px}
.newkey-h{font-family:var(--sc);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:#e6a6b4;margin-bottom:10px}
.newkey-v{font-family:var(--mono);font-size:16px;letter-spacing:.04em;color:var(--paper);word-break:break-all}

.section-head{margin:14px 0 8px}
.section-head .ttl{font-family:var(--sc);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-mute)}
.empty{font-family:var(--sc);color:var(--ink-mute);padding:24px 0;font-size:14px;letter-spacing:.03em}

/* select */
.select{appearance:none;background:rgba(255,255,255,.35);border:0;border-bottom:1.5px solid var(--line);padding:9px 28px 9px 8px;font-family:var(--sans);font-size:14px;color:var(--ink);cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235c5138' stroke-width='1.5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center}
.select:focus{outline:none;border-bottom-color:var(--garnet)}

/* flow editor (node graph) */
.flow-bar{display:flex;align-items:center;gap:20px;margin:6px 0 10px;flex-wrap:wrap}
.save-msg{font-family:var(--sc);font-size:13px;letter-spacing:.04em;color:var(--ink-mute)}
.save-msg.ok{color:var(--ok)}
.save-msg.err{color:var(--garnet)}
.flow-hint{font-size:12px;color:var(--ink-mute);margin-bottom:14px}
.flow-editor{display:grid;grid-template-columns:210px 1fr;border:1px solid var(--line);height:640px;background:var(--paper-2)}
.flow-palette{border-right:1px solid var(--line);overflow-y:auto;padding:6px 6px 20px}
.pal-h{font-family:var(--sc);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mute);padding:12px 6px 4px}
.pal-item{display:block;width:100%;text-align:left;background:none;border:0;border-left:2px solid transparent;padding:6px 8px;font-family:var(--sans);font-size:13px;color:var(--ink-soft);cursor:pointer}
.pal-item:hover{color:var(--ink);background:rgba(42,35,23,.05);border-left-color:var(--garnet)}
.pal-item.pal-allow:hover{border-left-color:var(--ok)}
.flow-canvas{position:relative;overflow:hidden;cursor:grab;background-color:var(--paper);background-image:radial-gradient(rgba(42,35,23,.13) 1px,transparent 1px);background-size:22px 22px}
.flow-canvas:active{cursor:grabbing}
.flow-wires{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:1}
.fwire{fill:none;stroke:var(--garnet);stroke-width:2;opacity:.6;pointer-events:stroke;cursor:pointer}
.fwire:hover{opacity:1;stroke-width:2.6}
.flow-nodes{position:absolute;inset:0;z-index:2}
.fnode{position:absolute;top:0;left:0;width:194px;background:var(--paper);border:1px solid var(--ink);box-shadow:2px 3px 0 rgba(42,35,23,.12)}
.fnode-h{display:flex;flex-direction:column;padding:7px 22px 7px 11px;background:var(--ink);color:var(--paper);cursor:grab;position:relative}
.fnode-sub{font-family:var(--sc);font-size:9px;letter-spacing:.14em;text-transform:uppercase;opacity:.72}
.fnode-title{font-size:13px;line-height:1.2}
.fnode-x{position:absolute;right:5px;top:5px;background:none;border:0;color:rgba(239,229,204,.7);font-size:14px;cursor:pointer;line-height:1;padding:0 4px}
.fnode-x:hover{color:#fff}
.nk-trigger .fnode-h{background:var(--garnet)}
.nk-branch .fnode-h{background:#6b5a2f}
.nk-allow .fnode-h{background:var(--ok)}
.nk-deny .fnode-h{background:var(--garnet)}
.fnode-body{position:relative;padding:9px 11px}
.fnode-params{display:flex;flex-direction:column;gap:7px;margin-bottom:6px}
.fnode-param{display:flex;flex-direction:column;gap:2px;font-family:var(--sc);font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-mute)}
.fnode-param .input{width:100%;font-size:12px}
.fpin{width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--ink);cursor:pointer}
.fpin:hover{background:var(--garnet);border-color:var(--garnet)}
.fpin-in{position:absolute;left:-7px;top:22px;z-index:3}
.fpin-outs{display:flex;flex-direction:column;gap:9px;align-items:flex-end}
.fpin-row{display:flex;align-items:center;gap:7px}
.fpin-lbl{font-family:var(--sc);font-size:9.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mute)}
.fpin-out{margin-right:-18px}
body.connecting .flow-canvas{cursor:crosshair}
body.connecting .fpin-in{background:var(--garnet);border-color:var(--garnet)}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .sidenav{display:none}
  .main{padding:28px 22px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .cards{grid-template-columns:1fr}
}