:root {
  --bg: #0f1115;
  --bg-2: #161a22;
  --bg-3: #1d2230;
  --fg: #e8ecf1;
  --fg-2: #9aa3b2;
  --accent: #4ea1ff;
  --green: #4fd97a;
  --red: #f56c6c;
  --yellow: #f7c948;
  --border: #2a2f3d;
}

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 14px; }

header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; border-bottom: 1px solid var(--border); background: var(--bg-2);
  position: sticky; top: 0; z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand h1 { margin: 0; font-size: 18px; font-weight: 600; }
.logo { font-size: 22px; }

.pill { padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.pill-on  { background: rgba(79, 217, 122, 0.15); color: var(--green); }
.pill-off { background: rgba(245, 108, 108, 0.15); color: var(--red); }
.pill-warn{ background: rgba(247, 201, 72, 0.15); color: var(--yellow); }

.actions { display: flex; gap: 8px; }
.btn {
  background: var(--bg-3); color: var(--fg); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 13px;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { background: #252b3a; border-color: #3a4150; }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: #3a8ce0; }
.btn-danger { background: var(--red); color: #fff; border-color: var(--red); }
.btn-danger:hover { background: #d95252; }

.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; padding: 16px 24px; }
.card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.card .label { color: var(--fg-2); font-size: 11px; text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 22px; font-weight: 700; margin-top: 4px; }

section { padding: 8px 24px 24px; }
section h2 { font-size: 14px; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.05em; margin: 16px 0 8px; }

table { width: 100%; border-collapse: collapse; background: var(--bg-2); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 12.5px; }
th { background: var(--bg-3); color: var(--fg-2); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }
td.mono, code { font-family: ui-monospace, Menlo, Monaco, Consolas, monospace; font-size: 11.5px; color: var(--fg-2); }

.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot-on  { background: var(--green); box-shadow: 0 0 6px var(--green); }
.dot-off { background: var(--red); }
.dot-warn{ background: var(--yellow); }

#stream {
  background: #0a0d12; border: 1px solid var(--border); border-radius: 10px;
  padding: 12px; max-height: 320px; overflow-y: auto; font-size: 11.5px; line-height: 1.5;
  font-family: ui-monospace, Menlo, monospace; white-space: pre-wrap; word-break: break-all;
}
.hint { color: var(--fg-2); font-size: 12px; margin-bottom: 6px; }

footer { padding: 16px 24px; color: var(--fg-2); border-top: 1px solid var(--border); font-size: 11.5px; }
footer a { color: var(--accent); text-decoration: none; }

@media (max-width: 1100px) { .stats { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px)  { .stats { grid-template-columns: repeat(2, 1fr); } }

/* ---- Login overlay ---- */
.login-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(15, 17, 21, 0.97);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(6px);
}
.login-overlay[hidden], [hidden] { display: none !important; }
.login-card {
  background: var(--bg-2); border: 1px solid var(--border);
  padding: 32px; border-radius: 12px;
  width: 380px; max-width: 90vw;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
  display: flex; flex-direction: column; gap: 14px;
}
.login-brand { font-size: 18px; font-weight: 600; color: var(--fg-2); }
.login-card h2 { margin: 0 0 8px; font-size: 22px; }
.login-card label {
  display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; color: var(--fg-2); font-weight: 500;
}
.login-card input {
  background: var(--bg-3); color: var(--fg);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 10px 12px; font-size: 14px;
  outline: none; transition: border-color 0.15s;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button { margin-top: 6px; padding: 11px; font-size: 14px; font-weight: 600; }
.login-error {
  background: rgba(245, 108, 108, 0.12); border: 1px solid rgba(245, 108, 108, 0.3);
  color: var(--red); padding: 8px 12px; border-radius: 6px; font-size: 13px;
}
.btn-ghost { background: transparent; color: var(--fg-2); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--fg); border-color: var(--fg-2); }