:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --text: #17202c;
  --muted: #5b6676;
  --border: #d9dfe8;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --bar: #0f1b2d;
  --bar-text: #e8eef7;
  --ok: #16a34a;
  --warn: #d97706;
  --off: #8a94a3;
  --danger: #dc2626;
  --shadow: 0 10px 30px rgba(15, 27, 45, .14);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b1220; --surface: #121b2b; --surface-2: #192436; --text: #e6ecf5; --muted: #9aa7b8;
    --border: #273449; --accent: #4f8cff; --bar: #070d18; --shadow: 0 10px 30px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0b1220; --surface: #121b2b; --surface-2: #192436; --text: #e6ecf5; --muted: #9aa7b8;
  --border: #273449; --accent: #4f8cff; --bar: #070d18; --shadow: 0 10px 30px rgba(0, 0, 0, .45);
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex; flex-direction: column; overflow: hidden;
}
a { color: var(--accent); }

.bar {
  flex: none; display: flex; align-items: center; gap: 10px; height: 52px; padding: 0 16px;
  background: var(--bar); color: var(--bar-text);
}
.brand { display: flex; align-items: center; gap: 8px; color: inherit; text-decoration: none; font-weight: 700; }
.badge { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: #1f6feb; color: #fff; }
.hint { color: #9fb0c8; font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.actions { margin-left: auto; display: flex; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 34px; padding: 0 12px; border-radius: 8px;
  border: 1px solid #2b3b55; background: #16243a; color: var(--bar-text); font: inherit; font-size: 14px;
  cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: #1d2f4b; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); }
.btn[aria-expanded="true"] { background: #23406b; }
.count {
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--warn); color: #fff;
  font-size: 11px; font-weight: 700; display: inline-grid; place-items: center;
}
:focus-visible { outline: 3px solid #7fb0ff; outline-offset: 2px; }

.stage { position: relative; flex: 1; min-height: 0; display: flex; }
#app { flex: 1; width: 100%; height: 100%; border: 0; background: var(--bg); }

.loader { position: absolute; inset: 0; display: grid; place-items: center; padding: 16px; overflow: auto; }
.card {
  width: min(560px, 100%); background: var(--surface); border: 1px solid var(--border); border-radius: 16px;
  padding: 28px; box-shadow: var(--shadow); text-align: center;
}
.card h1 { font-size: 22px; margin: 10px 0 6px; }
.lead { color: var(--muted); margin: 0 0 18px; }
.steps { list-style: none; padding: 0; margin: 0 auto 14px; display: grid; gap: 6px; text-align: left; width: fit-content; }
.steps li { color: var(--muted); padding-left: 26px; position: relative; }
.steps li::before {
  content: ""; position: absolute; left: 0; top: 4px; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border);
}
.steps li.active { color: var(--text); font-weight: 600; }
.steps li.active::before { border-color: var(--accent); border-right-color: transparent; animation: spin .8s linear infinite; }
.steps li.done { color: var(--text); }
.steps li.done::before { background: var(--ok); border-color: var(--ok); }
@keyframes spin { to { transform: rotate(360deg); } }
.progress { height: 6px; background: var(--surface-2); border-radius: 3px; overflow: hidden; margin: 6px 0 12px; }
.progress span { display: block; height: 100%; width: 3%; background: var(--accent); transition: width .4s ease; }
.small { font-size: 13px; color: var(--muted); margin: 6px 0 0; }
.error { color: var(--danger); }

.lab {
  width: 380px; flex: none; background: var(--surface); border-left: 1px solid var(--border);
  display: flex; flex-direction: column; min-height: 0;
}
.lab-head { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px 6px; }
.lab-head h2 { font-size: 17px; margin: 0; }
.icon { background: none; border: 0; color: var(--muted); font-size: 18px; cursor: pointer; padding: 4px; }
.tabs { display: flex; gap: 4px; padding: 0 12px; border-bottom: 1px solid var(--border); }
.tabs button {
  background: none; border: 0; border-bottom: 2px solid transparent; color: var(--muted); padding: 8px 10px;
  font: inherit; font-size: 14px; cursor: pointer;
}
.tabs button[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); font-weight: 600; }
.panel { overflow: auto; padding: 12px 16px 24px; flex: 1; }
.try { background: var(--surface-2); border-radius: 10px; padding: 8px 12px; margin-bottom: 12px; font-size: 14px; }
.try summary { cursor: pointer; font-weight: 600; }
.try ol { margin: 8px 0 4px; padding-left: 20px; display: grid; gap: 4px; }

.devices { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.device { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; }
.device-top { display: flex; align-items: center; gap: 8px; }
.device-top i { color: var(--muted); }
.device-name { font-weight: 600; }
.device-ip { margin-left: auto; color: var(--muted); font: 12px var(--mono); }
.dot { width: 9px; height: 9px; border-radius: 50%; background: var(--ok); flex: none; }
.dot.off { background: var(--off); }
.dot.booting { background: var(--warn); }
.facts { color: var(--muted); font-size: 13px; margin: 3px 0 6px 17px; }
.facts .warn { color: var(--warn); }
.dev-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-left: 17px; }
.dev-actions button {
  font: inherit; font-size: 12.5px; padding: 3px 9px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--surface-2); color: var(--text); cursor: pointer;
}
.dev-actions button:hover { border-color: var(--accent); }

.log, .outbox { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
.log li { font: 12px/1.45 var(--mono); border-left: 3px solid var(--border); padding: 2px 8px; word-break: break-word; }
.log li.k-ssh { border-color: #6366f1; }
.log li.k-http, .log li.k-vm { border-color: #0ea5e9; }
.log li.k-power, .log li.k-wol { border-color: var(--warn); }
.log li.k-notify, .log li.k-lab, .log li.k-update, .log li.k-backup, .log li.k-fan { border-color: var(--ok); }
.log .who { color: var(--muted); }
.outbox li { border: 1px solid var(--border); border-radius: 10px; padding: 8px 10px; font-size: 13px; }
.outbox .subject { font-weight: 600; }
.outbox .meta { color: var(--muted); font-size: 12px; }
.outbox pre { white-space: pre-wrap; font: 12px var(--mono); margin: 6px 0 0; color: var(--muted); max-height: 9em; overflow: auto; }
.empty { color: var(--muted); font-size: 13px; }
.check { display: flex; align-items: center; gap: 6px; margin-top: 8px; }
.noscript { padding: 16px; }

@media (max-width: 900px) {
  .hint { display: none; }
  .btn span:not(.count) { display: none; }
  .btn { padding: 0 10px; }
  .lab {
    position: absolute; inset: auto 0 0 0; width: 100%; height: 70%; border-left: 0;
    border-top: 1px solid var(--border); border-radius: 16px 16px 0 0; box-shadow: var(--shadow); z-index: 5;
  }
}