:root {
  color-scheme: dark;
  --bg: #091016;
  --panel: #111b24;
  --panel-2: #152230;
  --line: rgba(255, 255, 255, 0.08);
  --text: #e7eef7;
  --muted: #91a4b7;
  --accent: #4cc9f0;
  --accent-2: #ffd166;
  --success: #4ade80;
  --warning: #fbbf24;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(76, 201, 240, 0.14), transparent 30%),
    radial-gradient(circle at bottom right, rgba(255, 209, 102, 0.09), transparent 35%),
    var(--bg);
}
.app-shell { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.sidebar {
  padding: 20px;
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 27, 36, 0.96), rgba(10, 16, 22, 0.98));
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 24px; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center; font-weight: 800; background: linear-gradient(135deg, var(--accent), #7c3aed);
  color: #031018;
}
.brand-title { font-weight: 700; letter-spacing: 0.04em; }
.brand-subtitle, .eyebrow { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.14em; margin: 0; }
.nav-group { margin-bottom: 18px; }
.nav-group-title { color: var(--muted); font-size: 12px; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.12em; }
.nav-item {
  display: block; width: 100%; padding: 10px 12px; border: 0; margin: 4px 0;
  text-align: left; border-radius: 10px; color: var(--text); background: transparent; cursor: pointer;
}
.nav-item:hover, .nav-item.active { background: rgba(76, 201, 240, 0.12); color: white; }
.main { padding: 24px; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 18px; }
.topbar h1 { margin: 6px 0 0; font-size: 30px; }
.topbar-actions { display: flex; gap: 12px; align-items: center; }
select, .btn {
  background: var(--panel); color: var(--text); border: 1px solid var(--line);
  border-radius: 12px; padding: 10px 12px;
}
.btn { cursor: pointer; }
.metrics { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.metric {
  background: linear-gradient(180deg, rgba(21, 34, 48, 0.96), rgba(17, 27, 36, 0.96));
  border: 1px solid var(--line); border-radius: 16px; padding: 16px;
}
.metric .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.12em; }
.metric .value { font-size: 28px; font-weight: 800; margin-top: 8px; }
.workspace { display: grid; gap: 16px; }
.page-layout { display: grid; grid-template-columns: 1.3fr 0.9fr; gap: 16px; align-items: start; }
.card, .terminal {
  background: linear-gradient(180deg, rgba(21, 34, 48, 0.96), rgba(13, 20, 28, 0.98));
  border: 1px solid var(--line); border-radius: 18px; padding: 18px;
}
.card-wide { min-height: 320px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 14px; }
.card-head h2 { margin: 0; font-size: 16px; }
.badge {
  background: rgba(76, 201, 240, 0.14); border: 1px solid rgba(76, 201, 240, 0.24);
  color: var(--accent); padding: 4px 10px; border-radius: 999px; font-size: 12px;
}
.page-kicker { color: var(--accent-2); text-transform: uppercase; letter-spacing: 0.14em; font-size: 12px; margin: 0 0 6px; }
.page-title { margin: 0; font-size: 20px; }
.page-subtitle { margin: 6px 0 0; color: var(--muted); }
.stack { display: grid; gap: 10px; }
.server-row {
  display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center;
  padding: 12px 14px; border-radius: 14px; background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}
.server-name { font-weight: 700; }
.server-meta, .tree, .console, .terminal-screen { color: var(--muted); font-size: 14px; }
.status { padding: 4px 10px; border-radius: 999px; font-size: 12px; }
.status.online { background: rgba(74, 222, 128, 0.12); color: var(--success); }
.status.maintenance { background: rgba(251, 191, 36, 0.12); color: var(--warning); }
.tree details { margin-bottom: 10px; }
.tree summary { cursor: pointer; color: var(--text); }
.tree ul { margin: 8px 0 0 18px; padding: 0; }
.console {
  max-height: 290px; overflow: auto; padding: 14px; border-radius: 14px;
  background: #05090d; border: 1px solid rgba(255,255,255,0.06); font-family: "SFMono-Regular", Consolas, monospace;
}
.log-line { margin-bottom: 8px; white-space: pre-wrap; }
.log-info { color: #9ae6ff; }
.log-warn { color: #ffd166; }
.log-error { color: #ff8787; }
.panel-list { display: grid; gap: 10px; }
.panel-list-item {
  padding: 12px 14px; border-radius: 14px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03);
}
.panel-list-item strong { display: block; margin-bottom: 4px; }
.split-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
}
.config-grid {
  display: grid;
  gap: 8px;
}
.config-row {
  display: grid;
  grid-template-columns: minmax(180px, 260px) 1fr;
  gap: 12px;
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.config-key {
  color: var(--accent);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
}
.config-value {
  color: var(--text);
  font-family: "SFMono-Regular", Consolas, monospace;
  font-size: 13px;
  overflow-wrap: anywhere;
}
.terminal { margin-top: 16px; }
.terminal-screen {
  margin-top: 12px; min-height: 80px; padding: 14px; background: #03070b; border-radius: 14px;
  font-family: "SFMono-Regular", Consolas, monospace;
}
@media (max-width: 1100px) {
  .app-shell, .page-layout, .metrics { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid var(--line); }
}