:root {
  color-scheme: dark;
  --bg: #101614;
  --card: #18211e;
  --ink: #e7f2ec;
  --muted: #93a89f;
  --line: #2c3b35;
  --accent: #3dcaa0;
  --danger: #ff8d7a;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 500px at 10% -10%, #1c3b32, transparent), var(--bg);
  color: var(--ink);
}

.login-card, .panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}

.login-card {
  width: min(420px, calc(100% - 32px));
  margin: 12vh auto;
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px 0;
}

h1 { margin: 0; font-size: 1.6rem; font-weight: 650; }
.eyebrow { margin: 0 0 4px; color: var(--accent); letter-spacing: 0.08em; text-transform: uppercase; font-size: 0.75rem; }
.lede, .panel p { color: var(--muted); }

form { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 6px; color: var(--muted); font-size: 0.92rem; }
input {
  border: 1px solid var(--line);
  background: #101614;
  color: var(--ink);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
}
button {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  background: var(--accent);
  color: #06241a;
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.error { color: var(--danger); margin: 0; }
.panel { margin: 0; padding: 22px; }
.workspace {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 16px;
  padding: 16px 28px 28px;
}
.list { display: grid; align-content: start; gap: 8px; }
.device {
  display: grid;
  gap: 4px;
  text-align: left;
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--line);
}
.device.on { border-color: var(--accent); }
.device-name { font-weight: 650; }
.muted { color: var(--muted); font-size: 0.9rem; }
.detail-head, .facts { display: flex; justify-content: space-between; gap: 12px; align-items: start; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); margin: 16px 0; }
.facts div { background: #101614; border-radius: 10px; padding: 10px; }
dt { color: var(--muted); font-size: 0.8rem; }
dd { margin: 4px 0 0; font-size: 1.05rem; }
.pill {
  display: inline-block;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 0.8rem;
  background: #24312c;
}
.pill.open { background: #14543f; color: #b6ffe4; }
.pill.closed { background: #3d3420; color: #ffe0a3; }
.pill.bad { background: #4a2420; color: #ffc7bc; }
.chart { width: 100%; height: 180px; color: var(--accent); background: #101614; border-radius: 10px; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); }
.params { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.check { align-items: center; grid-template-columns: auto 1fr; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; margin: 8px 0 16px; }
button.danger { background: var(--danger); color: #3a100c; }
h2, h3 { margin: 0 0 8px; }
h3 { margin-top: 18px; }
@media (max-width: 800px) {
  .workspace { grid-template-columns: 1fr; padding: 12px; }
}