:root{
  --bg:#0f1116; --panel:#171a21; --panel2:#1e222b; --line:#2c313d;
  --txt:#e8ecf4; --dim:#9aa3b5; --acc:#4da3ff; --acc2:#7c6ff0;
  --ok:#8fd694; --bad:#ff8a8a;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
#topbar{position:sticky;top:0;z-index:20;background:var(--bg);
  border-bottom:1px solid var(--line);padding:10px 12px}
.brand{font-size:19px;font-weight:800;margin-bottom:8px}
#nav{display:flex;gap:6px;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}
#nav a{flex:0 0 auto;text-decoration:none;color:var(--dim);background:var(--panel);
  border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-size:14px;white-space:nowrap}
#nav a.on{background:var(--acc);color:#0a1220;border-color:var(--acc);font-weight:700}
.top-actions{position:absolute;top:10px;right:12px;display:flex;gap:6px}
main{padding:14px 12px 80px;max-width:1100px;margin:0 auto}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:14px;margin-bottom:12px}
.card h2{margin:0 0 10px;font-size:17px}
.card h3{margin:14px 0 8px;font-size:14px;color:var(--dim)}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.grid2{grid-template-columns:1fr}}
button,.btn{background:var(--acc);color:#0a1220;border:0;border-radius:10px;
  padding:10px 16px;font-size:15px;font-weight:700;cursor:pointer}
button.ghost,.btn.ghost{background:transparent;color:var(--txt);
  border:1px solid var(--line);font-weight:400}
button.danger{background:transparent;color:var(--bad);border:1px solid var(--bad)}
button.small,.btn.small{padding:7px 11px;font-size:13px}
button:disabled{opacity:.45;cursor:default}
input[type=text],input[type=date],input[type=time],input[type=number],input[type=email],
select,textarea{background:#0b0d12;color:var(--txt);
  border:1px solid var(--line);border-radius:8px;padding:9px;font-size:15px;width:100%}
textarea{min-height:90px;resize:vertical;font-family:inherit}
label.f{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--dim);
  min-width:130px;flex:1}
.hint{color:var(--dim);font-size:13px}
.kv{font-size:13px;color:var(--dim)}
.ok{color:var(--ok)} .bad{color:var(--bad)}
.pill{display:inline-block;background:var(--panel2);border:1px solid var(--line);
  border-radius:20px;padding:3px 10px;font-size:12px;color:var(--dim);margin:2px}
.list-plain{list-style:none;margin:0;padding:0}
.list-plain li{padding:9px 4px;border-bottom:1px solid var(--line)}
.list-plain li:last-child{border-bottom:0}
#modalRoot:empty{display:none}
.mback{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;
  display:flex;align-items:flex-end;justify-content:center}
@media(min-width:640px){.mback{align-items:center}}
.mbox{background:var(--panel);border:1px solid var(--line);border-radius:14px 14px 0 0;
  width:100%;max-width:560px;max-height:88vh;overflow-y:auto;padding:18px}
@media(min-width:640px){.mbox{border-radius:14px}}
.mbox h3{margin:0 0 12px}
#toasts{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);z-index:60;
  display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none}
.toast{background:#000;border:1px solid var(--acc);color:var(--txt);
  border-radius:10px;padding:10px 16px;font-size:14px}
/* embedded tools */
iframe.tool{width:100%;height:calc(100vh - 170px);border:1px solid var(--line);
  border-radius:12px;background:#fff}
/* clipboard slide-over */
#clipRoot:empty{display:none}
.clipback{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:55}
.clippanel{position:fixed;top:0;right:0;bottom:0;width:min(420px,94vw);z-index:56;
  background:var(--panel);border-left:1px solid var(--line);padding:16px;overflow-y:auto}
.clippanel h3{margin:0 0 10px}
.clipitem{background:var(--panel2);border:1px solid var(--line);border-radius:8px;
  padding:8px;margin-bottom:8px}
.clipitem pre{margin:0 0 6px;white-space:pre-wrap;word-break:break-word;
  font-size:12px;max-height:120px;overflow:hidden;color:var(--txt)}
.clipitem .meta{font-size:11px;color:var(--dim);margin-bottom:6px}
/* dashboard */
.dashgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.toolcard{cursor:pointer;transition:border-color .15s}
.toolcard:hover{border-color:var(--acc)}
.toolcard .ic{font-size:28px}
.toolcard h2{margin:8px 0 6px}
.flow{font-size:13px;color:var(--dim);margin-top:8px}
.flow code{background:#0b0d12;padding:1px 6px;border-radius:4px;font-size:12px;color:var(--acc)}