:root{
  --bg:#0f1419; --panel:#1a222c; --panel2:#222d3a; --line:#2c3845;
  --text:#e6edf3; --muted:#8b9aab; --accent:#3b82f6; --accent2:#2563eb;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444; --radius:12px;
}
*{box-sizing:border-box}
body{
  margin:0;background:var(--bg);color:var(--text);
  font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}
code{background:#0b0f14;padding:1px 6px;border-radius:6px;font-size:.85em}

/* layout */
.topbar{
  display:flex;align-items:center;gap:18px;padding:12px 20px;
  background:var(--panel);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;
}
.topbar .brand{font-weight:700;font-size:17px}
.topbar nav{display:flex;gap:6px;flex-wrap:wrap}
.topbar nav a{padding:7px 12px;border-radius:8px;color:var(--text)}
.topbar nav a.active,.topbar nav a:hover{background:var(--panel2);text-decoration:none}
.topbar .spacer{flex:1}
.sim-badge{background:var(--warn);color:#1a1200;font-weight:700;padding:3px 10px;border-radius:999px;font-size:12px}
.wrap{max-width:1000px;margin:24px auto;padding:0 20px}

/* cards */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:18px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.card h2{margin:0 0 4px;font-size:18px}
.card h1{margin:0 0 16px;font-size:22px}
.card .sub{color:var(--muted);margin:0 0 16px;font-size:13px}

/* status pills */
.pill{display:inline-flex;align-items:center;gap:7px;padding:5px 12px;border-radius:999px;font-weight:600;font-size:13px}
.pill .dot{width:9px;height:9px;border-radius:50%;background:currentColor}
.pill.ok{background:rgba(34,197,94,.15);color:#4ade80}
.pill.warn{background:rgba(245,158,11,.15);color:#fbbf24}
.pill.bad{background:rgba(239,68,68,.15);color:#f87171}
.pill.idle{background:rgba(139,154,171,.15);color:#9fb0c2}

.kv{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--line)}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}
.kv .v{font-weight:600}

/* relays */
.relays{display:flex;gap:12px;margin:14px 0}
.relay{flex:1;text-align:center;background:var(--panel2);border:1px solid var(--line);border-radius:10px;padding:12px}
.relay .name{font-size:12px;color:var(--muted)}
.relay .state{font-size:20px;font-weight:700;margin-top:4px}
.relay.on{border-color:var(--ok)} .relay.on .state{color:#4ade80}
.relay.off .state{color:var(--muted)}

/* buttons */
.btn{display:inline-block;padding:10px 16px;border-radius:9px;border:1px solid var(--line);
  background:var(--panel2);color:var(--text);font-weight:600;cursor:pointer;font-size:14px}
.btn:hover{filter:brightness(1.12)}
.btn-primary{background:var(--accent2);border-color:var(--accent2)}
.btn-ok{background:#15803d;border-color:#15803d}
.btn-warn{background:#b45309;border-color:#b45309}
.btn-bad{background:#b91c1c;border-color:#b91c1c}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* forms */
.stack{display:flex;flex-direction:column;gap:14px}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
input,select{
  background:#0b0f14;border:1px solid var(--line);color:var(--text);
  padding:10px 12px;border-radius:8px;font-size:14px;width:100%
}
input:focus,select:focus{outline:2px solid var(--accent);border-color:var(--accent)}
fieldset{border:1px solid var(--line);border-radius:10px;padding:16px;margin:0 0 18px}
legend{padding:0 8px;font-weight:700;color:var(--text)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}

/* ---- mobile top bar ---- */
@media(max-width:640px){
  .topbar{flex-wrap:wrap;gap:10px;padding:10px 14px}
  .topbar .brand{font-size:16px}
  /* push the nav onto its own full-width row that scrolls sideways */
  .topbar nav{order:5;width:100%;flex-wrap:nowrap;overflow-x:auto;gap:6px;
    -webkit-overflow-scrolling:touch;padding-bottom:2px}
  .topbar nav::-webkit-scrollbar{height:0}
  .topbar nav a{white-space:nowrap;padding:7px 11px}
  .wrap{margin:16px auto;padding:0 14px}
}

/* alerts */
.alert{padding:10px 14px;border-radius:8px;margin:0 0 12px;font-size:14px}
.alert-ok{background:rgba(34,197,94,.13);color:#86efac;border:1px solid rgba(34,197,94,.3)}
.alert-error{background:rgba(239,68,68,.13);color:#fca5a5;border:1px solid rgba(239,68,68,.3)}
.alert-info{background:rgba(59,130,246,.13);color:#93c5fd;border:1px solid rgba(59,130,246,.3)}

/* table */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600}
.tag{font-size:11px;padding:2px 8px;border-radius:999px;background:var(--panel2);color:var(--muted)}
.tag.gate{color:#93c5fd} .tag.coop{color:#86efac} .tag.error{color:#fca5a5}
.tag.trigger{color:#fbbf24} .tag.manual{color:#c4b5fd}

pre{background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:14px;overflow:auto;font-size:12px}

/* auth */
.auth-body{display:block}