:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --danger: #ef4444;
  --ok: #22c55e;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); min-height: 100vh; }
.header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1rem 1.5rem; border-bottom: 1px solid var(--border); background: var(--surface);
}
.header h1 { margin: 0; font-size: 1.25rem; }
#user-bar { display: flex; align-items: center; gap: 0.75rem; }
#user-bar img { border-radius: 50%; }
.hidden { display: none !important; }
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 1.25rem; margin-bottom: 1rem;
}
.card h2 { margin: 0 0 1rem; font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
button, .btn {
  background: var(--accent); color: #fff; border: none; padding: 0.5rem 1rem;
  border-radius: 6px; cursor: pointer; font-size: 0.9rem;
}
button.secondary { background: var(--border); }
button.danger { background: var(--danger); }
input, select, textarea {
  width: 100%; padding: 0.5rem; margin-bottom: 0.75rem;
  background: var(--bg); border: 1px solid var(--border); color: var(--text); border-radius: 6px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.list-item {
  padding: 0.75rem; border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; transition: border-color 0.15s;
}
.list-item:hover, .list-item.active { border-color: var(--accent); }
.stats { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.stat strong { display: block; font-size: 1.5rem; }
.muted { color: var(--muted); font-size: 0.85rem; }
.secret-box {
  font-family: monospace; background: var(--bg); padding: 0.75rem;
  border-radius: 6px; word-break: break-all; margin: 0.5rem 0;
}
.tabs { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.tabs button { background: transparent; border: 1px solid var(--border); color: var(--text); }
.tabs button.active { background: var(--accent); border-color: var(--accent); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--border); }