:root {
  --bg: #0d1117;
  --panel: #151b23;
  --panel-2: #1c242f;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b98a8;
  --accent: #3ddc84;
  --accent-ink: #0b1f14;
  --danger: #f85149;
  --warn: #d29922;
  --radius: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  display: flex;
  flex-direction: column;
}
[hidden] { display: none !important; }
a { color: inherit; }
h1, h2 { margin: 0 0 8px; line-height: 1.2; }
h1 { font-size: 34px; letter-spacing: -0.02em; }
h2 { font-size: 16px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.spacer { flex: 1; }

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 20px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 650; text-decoration: none; font-size: 15px; }
.account { display: flex; align-items: center; gap: 10px; color: var(--muted); }
.account img { border-radius: 50%; background: var(--panel-2); }

main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.view { padding: 24px 20px; width: 100%; max-width: 1100px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.view.center { flex: 1; justify-content: center; align-items: center; text-align: center; }
.hero { max-width: 520px; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.stack { display: flex; flex-direction: column; gap: 10px; align-items: center; margin-top: 8px; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  padding: 8px 14px; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; text-decoration: none;
}
.btn:hover { border-color: #3b4757; }
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.btn-primary:hover { filter: brightness(1.08); border-color: var(--accent); }
.btn-ghost { background: transparent; }
.btn-danger { background: transparent; color: var(--danger); border-color: #5a2a2a; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; }
.btn-lg { padding: 12px 20px; font-size: 15px; background: #fff; color: #1f1f1f; border-color: #fff; }

.alert { border: 1px solid #5a2a2a; background: #2a1517; color: #ffb4ae; padding: 10px 12px; border-radius: 8px; text-align: left; white-space: pre-wrap; }

.versions { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 12px; margin-top: 12px; }
.version {
  text-align: left; background: var(--panel-2); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 14px; color: var(--text); font: inherit; cursor: pointer; display: flex; flex-direction: column; gap: 2px;
}
.version:hover:not(:disabled) { border-color: var(--accent); }
.version:disabled { opacity: .5; cursor: default; }
.version .num { font-size: 22px; font-weight: 700; }
.version .num small { font-size: 13px; color: var(--muted); font-weight: 500; margin-left: 6px; }

.vm-list { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.vm-row {
  display: flex; align-items: center; gap: 12px; padding: 10px 12px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 8px;
}
.vm-row .title { font-weight: 600; }
.vm-row .meta { color: var(--muted); font-size: 12.5px; }
.empty { color: var(--muted); padding: 8px 0; }

.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap; }
.badge.running { color: var(--accent); border-color: #1f5a3a; background: #0f2a1c; }
.badge.starting, .badge.creating { color: var(--warn); border-color: #5a4515; background: #261e0b; }
.badge.failed { color: var(--danger); border-color: #5a2a2a; background: #2a1517; }

.vm-view { max-width: none; flex: 1; min-height: 0; }
.vm-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.vm-head h2 { margin: 0; }
.waiting { display: flex; align-items: center; gap: 14px; }
.spinner { width: 22px; height: 22px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.workspace { flex: 1; min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 12px; }
@media (max-width: 900px) { .workspace { grid-template-columns: 1fr; grid-template-rows: 60vh 50vh; } }
.pane { display: flex; flex-direction: column; min-height: 420px; background: #000; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.pane-bar { display: flex; align-items: center; gap: 10px; padding: 6px 10px; background: var(--panel); border-bottom: 1px solid var(--border); font-weight: 600; }
.vnc { flex: 1; min-height: 0; background: #000; }
.terminal { flex: 1; min-height: 0; padding: 6px; }