:root {
  --bg0: #0f1419;
  --bg1: #172029;
  --bg2: #1e2a36;
  --line: #2c3b4a;
  --text: #e8eef4;
  --muted: #8fa3b5;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --warn: #e6a23c;
  --bad: #e05c5c;
  --font: "Segoe UI", "IBM Plex Sans", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
[hidden] { display: none !important; }
body {
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a3350 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #163028 0%, transparent 50%),
    var(--bg0);
}
body.is-login #app-view { display: none !important; }
body.is-app #login-view { display: none !important; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(400px, 100%);
  background: color-mix(in srgb, var(--bg1) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 28px 24px;
  display: grid;
  gap: 8px;
}
.login-card h1 { margin: 0; font-size: 1.35rem; font-weight: 650; }
.brand { color: var(--accent); letter-spacing: 0.04em; font-weight: 700; margin: 0; }
.muted { color: var(--muted); font-size: 0.9rem; margin: 0; }
label { font-size: 0.85rem; color: var(--muted); margin-top: 6px; }
input, select, button, textarea {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg2);
  color: var(--text);
  padding: 10px 12px;
}
button {
  cursor: pointer;
  background: var(--accent);
  border-color: transparent;
  color: #061018;
  font-weight: 650;
  margin-top: 8px;
}
button.ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
  margin-top: 0;
}
button:hover { filter: brightness(1.05); }
.error { color: var(--bad); margin: 4px 0 0; }
.ok { color: var(--ok); }

.app { max-width: 1100px; margin: 0 auto; padding: 16px 16px 48px; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0 16px;
}
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}
.tabs button {
  margin: 0;
  background: var(--bg1);
  color: var(--muted);
  border: 1px solid var(--line);
  font-weight: 600;
}
.tabs button.active {
  background: var(--bg2);
  color: var(--text);
  border-color: var(--accent);
}
.panel { display: none; }
.panel.active { display: block; }
.panel h2 { margin: 0 0 12px; font-size: 1.15rem; }
.row { display: flex; align-items: center; }
.row.between { justify-content: space-between; gap: 12px; }
.row.gap { gap: 10px; flex-wrap: wrap; }
.row.top { margin-top: 16px; align-items: stretch; }
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}
.card {
  background: var(--bg1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.card .label { color: var(--muted); font-size: 0.8rem; }
.card .value { font-size: 1.15rem; font-weight: 700; margin-top: 4px; }
.card.on .value { color: var(--ok); }
.card.off .value { color: var(--bad); }
.box {
  background: var(--bg1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  overflow: auto;
  white-space: pre-wrap;
  font-size: 0.85rem;
  line-height: 1.45;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg1);
}
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }
.form-grid {
  display: grid;
  gap: 10px;
  max-width: 520px;
  margin-bottom: 16px;
}
fieldset {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--bg1);
  padding: 12px 14px;
  display: grid;
  gap: 8px;
}
legend { padding: 0 6px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.chip-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip-list li {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 0.85rem;
  display: flex;
  gap: 8px;
  align-items: center;
}
.chip-list button {
  margin: 0;
  padding: 2px 8px;
  font-size: 0.75rem;
  background: transparent;
  color: var(--bad);
  border-color: var(--line);
}
.danger {
  background: transparent;
  color: var(--bad);
  border-color: var(--line);
  margin: 0;
  padding: 6px 10px;
  font-size: 0.8rem;
}
.status-block {
  background: var(--bg1);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  margin-top: 12px;
}
.status-block h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 650;
}
.chan-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.chan-list li {
  background: var(--bg2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 0.85rem;
}
.kv {
  display: grid;
  grid-template-columns: minmax(120px, 180px) 1fr;
  gap: 6px 12px;
  font-size: 0.9rem;
}
.kv dt { color: var(--muted); margin: 0; }
.kv dd { margin: 0; font-weight: 600; }

@media (max-width: 640px) {
  .top { flex-wrap: wrap; }
  th:nth-child(5), td:nth-child(5) { display: none; }
  .kv { grid-template-columns: 1fr; }
}