:root {
  --bg: #0f1221;
  --panel: #171b2e;
  --text: #eef1ff;
  --muted: #9aa3c7;
  --accent: #4f46e5;
  --danger: #ef4444;
  --border: #2a3150;
  --radius: 12px;
  font-family: "Segoe UI", system-ui, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 10% -10%, #2a225f, transparent), var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.hidden { display: none !important; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.narrow { width: min(420px, 92vw); margin: 12vh auto; }
label { display: block; margin: 12px 0 6px; font-size: 14px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d1020;
  color: var(--text);
}
button {
  margin-top: 14px;
  background: var(--accent);
  color: white;
  border: 0;
  border-radius: 8px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 600;
}
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; }
.muted { color: var(--muted); }
#shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
aside {
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  background: rgba(0,0,0,.2);
}
aside nav { display: grid; gap: 6px; margin: 18px 0; }
aside nav button {
  margin: 0;
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
}
aside nav button.active { border-color: var(--border); background: #222845; }
main { padding: 24px; }
header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 16px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid var(--border); padding: 10px 8px; text-align: left; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
.stat strong { display: block; font-size: 28px; margin-top: 6px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; }
.row > * { flex: 1; min-width: 140px; }