:root{--bg:#0f1216;--card:#181d24;--line:#262d36;--fg:#e6e9ee;--muted:#9aa4b2;
  --pri:#2f6df6;--pri2:#2559d0;--danger:#d9534f;--ok:#2ea043}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--fg)}
.topbar{display:flex;justify-content:space-between;align-items:center;
  padding:12px 20px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{font-weight:600}
.topnav{display:flex;gap:18px;margin-right:auto;margin-left:24px}
.topnav a{color:var(--muted);text-decoration:none}
.topnav a:hover{color:var(--fg)}
.mt{margin-top:28px}
.who{color:var(--muted);margin-right:10px}
.logout-form{display:flex;align-items:center;gap:8px}
.container{max-width:900px;margin:28px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:24px;margin:0 auto}
.narrow{max-width:420px}
.center{text-align:center}
h1{font-size:1.4rem;margin:0 0 16px}
.muted{color:var(--muted)}
.small{font-size:.85rem}
label{display:block;margin:0 0 14px;font-size:.9rem;color:var(--muted)}
input,textarea{width:100%;margin-top:6px;padding:10px 12px;border-radius:8px;
  border:1px solid var(--line);background:#0d1117;color:var(--fg);font-size:1rem}
input:focus,textarea:focus{outline:2px solid var(--pri);border-color:var(--pri)}
.btn{display:inline-block;padding:9px 14px;border-radius:8px;border:1px solid var(--line);
  background:#1f2630;color:var(--fg);font-size:.9rem;cursor:pointer;text-decoration:none}
.btn:hover{border-color:#3a4452}
.btn-primary{background:var(--pri);border-color:var(--pri)}
.btn-primary:hover{background:var(--pri2)}
.btn-ghost{background:transparent}
.btn-danger{background:transparent;border-color:var(--danger);color:var(--danger)}
.btn-small{padding:5px 9px;font-size:.8rem}
.row{display:flex;gap:10px;align-items:center}
.between{justify-content:space-between}
.inline{display:inline}
table.machines{width:100%;border-collapse:collapse;margin-top:16px}
table.machines th,table.machines td{padding:10px;border-bottom:1px solid var(--line);
  text-align:left;vertical-align:middle}
table.machines th{color:var(--muted);font-weight:600;font-size:.82rem}
td.actions,.actions{white-space:nowrap;display:flex;gap:6px;align-items:center}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.errors{color:var(--danger);background:rgba(217,83,79,.1);padding:10px 14px;
  border-radius:8px;list-style:none;margin:0 0 14px}
.errors li{margin:2px 0}
.qr-wrap{text-align:center;margin:16px 0}
.qr-wrap img{background:#fff;padding:10px;border-radius:8px}
.secret-row td{background:#0d1117}
.secret-value{font-size:1.05rem}