:root {
  --bg: #0f1620; --card: #18222e; --accent: #2aabee; --text: #e7edf3;
  --muted: #8a99a8; --border: #243140; --ok: #2ecc71;
}
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1d2c3c, var(--bg));
}
.muted { color: var(--muted); }
code { color: var(--accent); }

/* login card */
.center { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.card {
  width: 100%; max-width: 400px; background: var(--card);
  border: 1px solid var(--border); border-radius: 16px; padding: 32px 28px; text-align: center;
}
.card h1 { margin: 0 0 8px; }
.login-slot { display: flex; justify-content: center; min-height: 48px; margin-top: 16px; }
.status, .note { margin-top: 14px; color: var(--muted); font-size: .9rem; }
.note { border: 1px dashed var(--border); border-radius: 10px; padding: 12px; line-height: 1.6; }

/* layout */
.topbar {
  display: flex; align-items: center; gap: 12px; padding: 12px 20px;
  background: #131c27; border-bottom: 1px solid var(--border); position: sticky; top: 0;
}
.spacer { flex: 1; }
.container { max-width: 720px; margin: 0 auto; padding: 24px 18px 60px; }
h2 { margin: 8px 0 4px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 16px; }
.group-card {
  display: block; background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px; text-decoration: none; color: var(--text); transition: border-color .15s;
}
.group-card:hover { border-color: var(--accent); }
.g-title { font-weight: 600; margin-bottom: 4px; }

.panel { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px; margin-top: 18px; }
.panel h3 { margin: 0 0 12px; }
.panel section { padding: 8px 0 16px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.panel section:last-of-type { border-bottom: none; }
.row { display: flex; align-items: center; gap: 8px; margin: 10px 0; flex-wrap: wrap; }
.col { display: flex; flex-direction: column; gap: 6px; margin: 10px 0; }
input[type="number"], input[type="text"], input:not([type]), textarea, select {
  background: #0f1822; border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 8px 10px; font: inherit;
}
textarea { width: 100%; resize: vertical; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }

.btn { background: var(--accent); color: #fff; border: none; border-radius: 10px; padding: 11px 18px; font-weight: 600; cursor: pointer; }
.btn-sm { background: #22303f; color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer; text-decoration: none; font-size: .9rem; }
.btn:hover, .btn-sm:hover { opacity: .9; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip { background: #0f1822; border: 1px solid var(--border); border-radius: 999px; padding: 4px 10px; font-size: .9rem; }
.chip button { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 1rem; }
.logs { font-size: .85rem; line-height: 1.7; max-height: 280px; overflow: auto; }
.logs b { color: var(--text); }