:root {
  --bg: #111;
  --ink: #d8d4cb;
  --muted: #7a776f;
  --line: #2a2926;
  --soft: #1a1917;
  --accent: #9a8f7a;
  --warn: #b08a4a;
  --bad: #b05a4a;
  --ok: #6a9a6a;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  text-transform: lowercase;
}

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 18px 72px;
}

.top {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 22px;
}

.top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

h1, h2 {
  margin: 0;
  font-weight: 500;
  letter-spacing: 0.01em;
}

h1 { font-size: 22px; }
h2 { font-size: 16px; }

.status {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.energy {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  color: var(--muted);
  font-size: 13px;
}

.energy span {
  color: var(--muted);
}

.top-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex-shrink: 0;
  align-items: center;
}

button, a#sber-link {
  font: inherit;
  text-transform: lowercase;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 7px 12px;
  cursor: pointer;
}

button.icon-btn {
  padding: 5px 10px;
  font-size: 16px;
  line-height: 1;
  text-transform: none;
}

button:hover, a#sber-link:hover { border-color: var(--accent); color: var(--accent); }
button[hidden] { display: none; }

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  cursor: pointer;
}

.toggle-row input {
  width: auto;
  margin: 0;
  accent-color: var(--accent);
}

.list { display: grid; gap: 3mm; }

.devices { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); }

.device {
  background: var(--bg);
  margin: 0;
  padding: 0;
}

.device-head {
  width: 100%;
  text-align: left;
  border: 0;
  padding: 12px 14px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  align-items: baseline;
}

.device-head:hover { background: var(--soft); }

.device-name { color: var(--ink); }
.device-meta {
  color: var(--muted);
  font-size: 13px;
  text-transform: none;
}
.device.is-offline .device-name { color: var(--muted); }
.device.is-alarm .device-name { color: var(--bad); }

.device-body {
  display: none;
  padding: 0 14px 14px;
  border-top: 1px solid var(--line);
}

.device.is-open .device-body { display: block; }

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
}

.metric {
  border: 1px solid var(--line);
  background: var(--soft);
  padding: 12px 10px 10px;
  min-height: 72px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 10px;
}

.metric span {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.25;
}

.metric b {
  font-weight: 500;
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}

@media (max-width: 560px) {
  .metrics { grid-template-columns: 1fr; }
  .metric b { font-size: 24px; }
}

.props {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.props li {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 10px;
  font-size: 13px;
}

.props span { color: var(--muted); }
.props b { font-weight: 500; color: var(--ink); }

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}

dialog {
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  width: min(440px, 92vw);
  padding: 20px;
  text-transform: lowercase;
}

dialog::backdrop { background: rgb(0 0 0 / 0.6); }
.hint, .oauth-fallback { color: var(--muted); font-size: 13px; }
dialog label { display: block; width: 100%; margin-top: 12px; }
dialog input, dialog textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  background: var(--soft);
  color: var(--ink);
  border: 1px solid var(--line);
  padding: 10px;
  font: 13px ui-monospace, SFMono-Regular, Menlo, monospace;
  text-transform: none;
}
.dialog-actions, menu { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; padding: 0; }
menu { justify-content: flex-end; }
.error { color: var(--bad); font-size: 13px; }
.oauth-fallback { margin-top: 14px; }
.oauth-fallback summary { cursor: pointer; color: var(--ink); }