:root {
  --bg: #0a0e14;
  --panel: #111820;
  --panel-2: #151e28;
  --line: #243240;
  --text: #edf5f5;
  --muted: #8ba1aa;
  --cyan: #56e6d3;
  --amber: #ffca68;
  --red: #ff7d79;
  --radius: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 10%, rgba(86, 230, 211, .09), transparent 25rem),
    var(--bg);
}

header {
  min-height: 190px;
  padding: 34px clamp(22px, 5vw, 72px);
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  border-bottom: 1px solid var(--line);
}

h1, h2, p { margin: 0; }
h1 { margin-top: 7px; font: 700 clamp(28px, 5vw, 52px)/1.05 system-ui, sans-serif; }
h2 { font: 650 18px/1.3 system-ui, sans-serif; }
.eyebrow { color: var(--cyan); font-size: 11px; letter-spacing: .18em; }
.lede, .hint { color: var(--muted); }
.lede { margin-top: 12px; }

.auth { display: grid; grid-template-columns: minmax(180px, 280px) auto; gap: 8px; }
.auth label { grid-column: 1 / -1; color: var(--muted); font-size: 12px; }

input, button, .upload {
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  background: var(--panel-2);
  font: inherit;
}

input { padding: 0 12px; }
button, .upload { padding: 10px 15px; cursor: pointer; }
button:hover, .upload:hover { border-color: var(--cyan); }
button.primary { color: #001713; background: var(--cyan); border-color: var(--cyan); font-weight: 700; }
button.danger { color: var(--amber); }
button:disabled, .upload.disabled { opacity: .4; cursor: not-allowed; }
button.ghost { min-height: 32px; padding: 4px 10px; background: transparent; }

main {
  display: grid;
  grid-template-columns: minmax(240px, 320px) minmax(0, 1fr);
  gap: 18px;
  padding: 18px clamp(18px, 4vw, 58px) 48px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(21,30,40,.96), rgba(12,18,25,.96));
  overflow: hidden;
}

.panel-title { padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; gap: 12px; border-bottom: 1px solid var(--line); }
.badge { padding: 4px 8px; border-radius: 999px; color: var(--muted); background: #0b1118; font-size: 11px; }
.badge.online { color: var(--cyan); }
.device-list { padding: 9px; }
.device { width: 100%; margin-bottom: 7px; padding: 13px; text-align: left; background: transparent; }
.device.active { border-color: var(--cyan); background: rgba(86,230,211,.07); }
.device strong, .device small { display: block; }
.device small { margin-top: 5px; color: var(--muted); }

.workspace { min-width: 0; display: grid; gap: 18px; }
.overview { padding: 22px; display: flex; justify-content: space-between; gap: 20px; }
.overview h2 { margin-top: 7px; font-size: 26px; }
.facts { display: grid; grid-template-columns: repeat(3, minmax(90px, 1fr)); gap: 9px; }
.fact { padding: 10px 12px; border-radius: 10px; background: #0b1118; }
.fact span { display: block; color: var(--muted); font-size: 10px; }
.fact strong { display: block; margin-top: 5px; font-size: 13px; }
.actions { padding-bottom: 18px; }
.action-grid { padding: 18px 20px 8px; display: flex; flex-wrap: wrap; gap: 9px; }
.upload input { display: none; }
.result { min-height: 20px; padding: 0 20px; color: var(--muted); font-size: 12px; }
.result.error { color: var(--red); }
.console-panel { min-height: 430px; }
#console { margin: 0; height: 430px; overflow: auto; padding: 17px 20px; color: #bad0d1; background: #070a0e; font: 12px/1.55 ui-monospace, monospace; white-space: pre-wrap; word-break: break-word; }

@media (max-width: 820px) {
  header { align-items: stretch; flex-direction: column; }
  main { grid-template-columns: 1fr; }
  .overview { flex-direction: column; }
}