:root {
  --bg: #070b12;
  --bg-2: #0d1420;
  --sidebar: #080c14;
  --card: #111925;
  --line: #1c2a3d;
  --text: #e7eef8;
  --muted: #8a9bb3;
  --accent: #3d9cf0;
  --accent-2: #5eead4;
  --ok: #34d399;
  --warn: #f5b942;
  --danger: #f07178;
  --shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); }
body {
  font-family: Manrope, "Segoe UI", sans-serif;
  letter-spacing: 0.01em;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.boot {
  height: 100vh;
  display: grid;
  place-items: center;
  color: var(--muted);
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 420px 1fr;
}
.login-panel {
  padding: 48px 40px;
  background: var(--bg-2);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-brand { display: flex; gap: 14px; align-items: center; margin-bottom: 32px; }
.login-brand h1 { margin: 0; font-size: 22px; }
.login-brand p { margin: 0; color: var(--muted); font-size: 13px; }
.login-panel form { display: flex; flex-direction: column; gap: 8px; }
.login-aside {
  padding: 72px;
  background:
    radial-gradient(800px 400px at 20% 20%, rgba(61, 156, 240, 0.16), transparent 50%),
    radial-gradient(600px 400px at 80% 80%, rgba(94, 234, 212, 0.08), transparent 45%),
    var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.login-aside h2 { font-size: 42px; line-height: 1.1; margin: 0 0 12px; max-width: 520px; }
.login-aside p { color: var(--muted); max-width: 460px; }
.login-aside ul { color: var(--muted); line-height: 1.9; }

.logo-mark {
  width: 46px; height: 46px; border-radius: 12px;
  overflow: hidden; flex-shrink: 0; background: #000;
}
.logo-mark img { width: 100%; height: 100%; object-fit: cover; display: block; }
.logo-mark.sm { width: 36px; height: 36px; }

.shell { display: grid; grid-template-columns: 236px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--sidebar);
  border-right: 1px solid var(--line);
  padding: 18px 12px;
  display: flex; flex-direction: column;
}
.brand { display: flex; gap: 10px; align-items: center; padding: 6px 8px 18px; }
.brand strong { display: block; font-size: 14px; }
.brand span { color: var(--muted); font-size: 11px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sidebar nav a {
  color: #c5d0e0; padding: 9px 12px; border-radius: 9px; font-size: 13.5px; font-weight: 500;
  display: flex; justify-content: space-between; align-items: center;
}
.sidebar nav a:hover { background: #121b28; text-decoration: none; }
.sidebar nav a.active { background: #163047; color: #fff; }
.sidebar nav em {
  background: var(--danger); color: #fff; font-style: normal;
  font-size: 10px; min-width: 18px; text-align: center;
  border-radius: 99px; padding: 1px 6px;
}
.sidebar-user {
  border-top: 1px solid var(--line); padding-top: 12px; display: flex;
  justify-content: space-between; align-items: center; gap: 8px;
}
.sidebar-user strong { display: block; font-size: 13px; }
.sidebar-user span { color: var(--muted); font-size: 11px; }

.main { padding: 22px 28px 48px; overflow: auto; }
.topbar { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 18px; }
.topbar h2 { margin: 0; font-size: 24px; }
.muted { color: var(--muted); }
.page { display: flex; flex-direction: column; gap: 16px; }

label { font-size: 12px; color: var(--muted); margin-top: 8px; }
input, select, textarea {
  width: 100%; background: #0b121c; border: 1px solid var(--line);
  color: var(--text); border-radius: 10px; padding: 10px 12px; font: inherit;
}
textarea.code, .code { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; }
.mono { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px; }
.mono.sm { font-size: 13px; font-weight: 600; }
.serial-cell { max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.btn {
  border: 1px solid var(--line); background: #152033; color: var(--text);
  border-radius: 10px; padding: 9px 12px; cursor: pointer; font: inherit; font-weight: 600;
}
.btn:hover { border-color: #2d4566; }
.btn.primary { background: var(--accent); border-color: transparent; color: #041018; }
.btn.lg { padding: 14px 22px; font-size: 15px; }
.btn.ghost { background: transparent; }
.btn.danger { background: transparent; border-color: #5a2a30; color: var(--danger); }
.btn.danger:hover { border-color: var(--danger); }
.btn.sm { padding: 5px 8px; font-size: 12px; font-weight: 600; }
.btn.full { width: 100%; margin-top: 10px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.hint, .error { font-size: 12px; }
.error { color: var(--danger); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px 18px;
}
.card h3 { margin: 0 0 12px; font-size: 15px; }
.stats {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
}
.stats.mini { grid-template-columns: repeat(5, 1fr); }
.stat {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 14px 16px;
}
.stat span, .stats.mini article span { color: var(--muted); font-size: 12px; }
.stat b, .stats.mini article b { display: block; font-size: 26px; margin: 4px 0; }
.stat small, .stats.mini article small { color: var(--muted); font-size: 11px; }
.stat.warn b { color: var(--warn); }
.stat.danger b { color: var(--danger); }
.stats.mini article {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; color: var(--muted); font-weight: 600; font-size: 11px; letter-spacing: 0.04em; text-transform: uppercase; padding: 8px 6px; border-bottom: 1px solid var(--line); }
td { padding: 10px 6px; border-bottom: 1px solid #162132; vertical-align: middle; }
td small, td strong { display: block; }
td small { color: var(--muted); font-weight: 400; }
.devices tbody tr { cursor: pointer; }
.devices tbody tr:hover { background: #152033; }
.table-wrap { overflow: auto; }

.dot {
  width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--muted);
  box-shadow: 0 0 0 3px rgba(138, 155, 179, 0.15);
}
.dot.online, .dot.ok { background: var(--ok); box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.16); }
.dot.offline { background: #6b7280; }
.dot.warning, .dot.warn { background: var(--warn); box-shadow: 0 0 0 3px rgba(245, 185, 66, 0.16); }
.dot.critical, .dot.danger { background: var(--danger); box-shadow: 0 0 0 3px rgba(240, 113, 120, 0.16); }
.dot.lg { width: 12px; height: 12px; margin-right: 8px; }

.meter {
  width: 72px; height: 6px; background: #1a2738; border-radius: 99px; display: inline-block; overflow: hidden; vertical-align: middle;
}
.meter i { display: block; height: 100%; background: var(--accent); }
.meter.hot i { background: var(--danger); }
.pct { font-size: 11px; color: var(--muted); margin-left: 6px; }

.badge {
  display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11px; font-weight: 700;
  background: #1a2738; color: var(--muted);
}
.badge.pending, .badge.running { color: var(--warn); background: rgba(245, 185, 66, 0.12); }
.badge.success { color: var(--ok); background: rgba(52, 211, 153, 0.12); }
.badge.failed { color: var(--danger); background: rgba(240, 113, 120, 0.12); }
.badge.high, .badge.critical { color: var(--danger); background: rgba(240, 113, 120, 0.12); }
.badge.info { color: var(--accent); background: rgba(61, 156, 240, 0.12); }
.ntfy-box {
  background: #0a1522;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  margin: 12px 0;
}
.ntfy-box .topic {
  font-family: "IBM Plex Mono", monospace;
  font-size: 15px;
  word-break: break-all;
  color: var(--accent-2);
  margin: 8px 0;
}
.smtp-advanced { margin-top: 1.25rem; }
.smtp-advanced summary { cursor: pointer; color: var(--muted); }
.badge.running, .badge.Running { color: var(--ok); }

.pill {
  font-size: 12px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line);
}
.pill.ok { color: var(--ok); }
.pill.warn { color: var(--warn); }

.toolbar { display: flex; gap: 10px; }
.toolbar input, .toolbar select { width: auto; min-width: 180px; }
.inline-search { margin-bottom: 10px; }

.feed { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.feed li { display: flex; gap: 10px; align-items: flex-start; }
.feed small { display: block; color: var(--muted); }

.empty { color: var(--muted); padding: 16px 0; }
.tabs { display: flex; gap: 6px; }
.tabs button {
  background: transparent; border: 1px solid transparent; color: var(--muted);
  padding: 8px 12px; border-radius: 9px; cursor: pointer; font: inherit;
}
.tabs button.on { background: var(--card); border-color: var(--line); color: var(--text); }
.device-hero {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px;
}
.device-hero h3 { margin: 0; }
.device-hero p { margin: 4px 0 0; color: var(--muted); }
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.spark { display: flex; align-items: flex-end; gap: 3px; height: 90px; }
.spark .col { flex: 1; height: 100%; display: flex; align-items: flex-end; }
.spark span { width: 100%; background: linear-gradient(#5eead4, #3d9cf0); border-radius: 3px 3px 0 0; min-height: 3px; }

.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex; justify-content: space-between; gap: 12px; align-items: center;
  padding: 10px 0; border-bottom: 1px solid #162132;
}
.list small { display: block; color: var(--muted); max-width: 420px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-actions { display: flex; gap: 6px; align-items: center; }
.check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.check-grid label { color: var(--text); display: flex; gap: 8px; align-items: center; }
.check-grid input { width: auto; }
.clip { max-width: 280px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--muted); font-size: 12px; }
.site-block { padding: 12px 0; border-bottom: 1px solid #162132; }
.site-block header { display: flex; justify-content: space-between; }
.token-row { display: flex; gap: 8px; align-items: center; }
.token-row code, .codeblock {
  font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 12px;
  background: #0b121c; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px;
  display: block; overflow: auto; white-space: pre-wrap;
}
.toast {
  position: fixed; bottom: 20px; right: 20px; background: #163047; border: 1px solid var(--accent);
  padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow);
}
.download-hero {
  display: flex; flex-direction: column; gap: 14px; align-items: flex-start;
}
.download-hero h3 { margin: 0; font-size: 20px; }
.check-inline {
  display: flex; align-items: center; gap: 8px; margin: 8px 0;
}
.check-inline input { width: auto; }
h4 { margin: 0 0 10px; font-size: 14px; }
.lock-banner {
  background: rgba(240, 113, 120, 0.16);
  border: 1px solid var(--danger);
  color: var(--text);
  padding: 12px 16px;
  border-radius: var(--radius);
  margin: 0 24px 12px;
}
.lock-banner.warn {
  background: rgba(245, 185, 66, 0.12);
  border-color: var(--warn);
}
.error { color: var(--danger); font-size: 13px; }
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(4, 8, 14, 0.72);
  display: grid; place-items: center; z-index: 80;
}
.confirm-box {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 24px; max-width: 460px; width: calc(100% - 32px);
  box-shadow: var(--shadow);
}
.confirm-box h3 { margin: 0 0 8px; }
.confirm-box p { color: var(--muted); margin: 0 0 16px; line-height: 1.45; }
.error { color: var(--danger); font-size: 13px; }

@media (max-width: 1100px) {
  .stats, .stats.mini, .grid-2, .login-wrap { grid-template-columns: 1fr; }
  .shell { grid-template-columns: 1fr; }
  .sidebar { display: none; }
}