:root{
  --bg:#0d1117; --panel:#161b22; --panel2:#1c2230; --border:#2a3240;
  --text:#e6edf3; --muted:#8b949e; --accent:#7c5cff; --accent2:#5b8cff;
  --green:#2ea043; --red:#da3633;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--accent2);text-decoration:none}
.muted{color:var(--muted)} .small{font-size:12px}

/* Login */
.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 50% -10%, #20264a 0%, #0d1117 60%)}
.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:36px;width:340px;
  box-shadow:0 20px 60px rgba(0,0,0,.4)}
.logo{font-size:22px;font-weight:700}
.login-card label{display:block;margin:14px 0 6px;font-size:13px;color:var(--muted)}
.login-card input{width:100%;padding:11px;border-radius:9px;border:1px solid var(--border);background:#0d1117;color:var(--text)}
.alert{background:rgba(218,54,51,.15);border:1px solid var(--red);color:#ffb4b1;padding:10px;border-radius:8px;margin-top:12px;font-size:13px}

/* Layout */
header{display:flex;align-items:center;justify-content:space-between;padding:16px 28px;border-bottom:1px solid var(--border);
  position:sticky;top:0;background:rgba(13,17,23,.85);backdrop-filter:blur(8px);z-index:5}
.brand{font-size:18px;font-weight:700}
.header-right{display:flex;align-items:center;gap:12px}
main{max-width:1180px;margin:0 auto;padding:24px 28px 60px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:860px){.cards{grid-template-columns:repeat(2,1fr)}.grid{grid-template-columns:1fr}}

.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}
.card h2{margin:0 0 14px;font-size:16px}
.card.stat{text-align:center;padding:18px}
.stat .num{font-size:30px;font-weight:800;background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .lbl{color:var(--muted);font-size:13px;margin-top:4px}

label{display:block;margin:12px 0 5px;font-size:13px;color:var(--muted)}
input,select,textarea{width:100%;padding:10px;border-radius:9px;border:1px solid var(--border);background:#0d1117;color:var(--text);font-family:inherit;font-size:14px}
textarea{resize:vertical}
button{cursor:pointer;border:none;border-radius:9px;padding:10px 16px;font-weight:600;font-size:14px;color:#fff;
  background:linear-gradient(90deg,var(--accent),var(--accent2));margin-top:12px}
button:disabled{opacity:.5;cursor:wait}
.inline-form{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.inline-form input,.inline-form select{width:auto;flex:1;min-width:120px;margin:0}
.inline-form button{margin:0}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:7px 12px;border-radius:8px;display:inline-block}
.btn-danger{background:rgba(218,54,51,.15);border:1px solid var(--red);color:#ffb4b1}

table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:600;font-size:12px}
code.token{cursor:pointer;background:#0d1117;border:1px solid var(--border);padding:3px 7px;border-radius:6px}

.pill{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--border)}
.pill.on{background:rgba(46,160,67,.15);border-color:var(--green);color:#7ee787}
.pill.off{background:rgba(139,148,158,.12);color:var(--muted)}
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.engine-box{margin-top:18px}