:root {
  --bg: #06111d;
  --panel: #0d2032;
  --line: #203b52;
  --text: #e8f3fb;
  --muted: #8fa9bc;
  --green: #42e3a3;
  --blue: #4cb5ff;
  --danger: #ff7587;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0, #123856 0, transparent 35%),
    radial-gradient(circle at 90% 10%, #143c35 0, transparent 25%),
    var(--bg);
  font: 15px/1.5 system-ui, sans-serif;
}
main { width: min(1100px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0; }
header, .toolbar, .row, .device-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
header { margin-bottom: 28px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(28px, 5vw, 48px); }
.eyebrow { color: var(--green); font-weight: 800; letter-spacing: .12em; }
.pill {
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 7px 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}
.pill.online { color: var(--green); border-color: #27785f; }
.card, .device, dialog {
  background: linear-gradient(145deg, #122a40, var(--panel));
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 20px 60px #0006;
}
.card { padding: 24px; }
.login { max-width: 620px; }
.login form { display: grid; gap: 10px; }
.error { color: #ff8b9b; min-height: 1.4em; margin: 0; }
label { display: block; margin: 14px 0 6px; color: var(--muted); font-weight: 700; }
input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  background: #071522;
}
textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  color: var(--text);
  background: #071522;
}
#camera {
  width: 100%;
  max-height: 320px;
  margin: 12px 0;
  border-radius: 12px;
  background: #030a10;
}
button {
  border: 0;
  border-radius: 10px;
  padding: 11px 15px;
  color: #04131e;
  background: linear-gradient(135deg, var(--blue), var(--green));
  font-weight: 850;
  cursor: pointer;
}
button.secondary { color: var(--text); background: #203c53; }
.toolbar { margin-bottom: 18px; }
.toolbar small { display: block; color: var(--muted); }
.devices { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 16px; }
.device { padding: 20px; }
.device dl { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.device dt { color: var(--muted); }
.device dd { margin: 0; text-align: right; font-weight: 750; }
.empty { padding: 50px; text-align: center; color: var(--muted); }
dialog { width: min(520px, calc(100% - 30px)); padding: 24px; color: var(--text); }
dialog::backdrop { background: #02080dcc; backdrop-filter: blur(4px); }
.end { justify-content: flex-end; margin-top: 22px; }
code { display: block; overflow-wrap: anywhere; padding: 16px; background: #050e17; border-radius: 10px; }
#notice { position: fixed; right: 20px; bottom: 20px; color: var(--danger); }
@media (max-width: 620px) {
  main { padding-top: 24px; }
  header, .toolbar { align-items: flex-start; flex-direction: column; }
  .row { flex-wrap: wrap; }
  .row input { flex: 1 1 100%; }
}