:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel2: #1e222b;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #8b93a3;
  --accent: #4f8cff;
  --accent2: #3a6fd8;
  --green: #3fb96f;
  --red: #e5534b;
  --amber: #d9a13b;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--red); }
h1 { font-size: 22px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 24px 0 10px; }
h3 { font-size: 15px; margin: 0 0 12px; }

/* login */
#login-view { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 10px;
  padding: 32px; width: 320px; text-align: center;
}
.login-card form { display: flex; flex-direction: column; gap: 10px; margin-top: 18px; }
input, select, textarea {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 8px 10px; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); }
button {
  background: var(--panel2); border: 1px solid var(--border); color: var(--text);
  border-radius: 6px; padding: 8px 14px; font: inherit; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { background: var(--accent2); }
button.ghost { background: transparent; }
button.danger { color: var(--red); }
button.small { padding: 3px 8px; font-size: 12px; }

/* layout */
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 24px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { font-size: 17px; font-weight: 600; }
.header-right { display: flex; align-items: center; gap: 12px; }
nav { display: flex; gap: 4px; padding: 10px 24px; border-bottom: 1px solid var(--border); }
.tab { border: none; background: transparent; color: var(--muted); padding: 7px 14px; border-radius: 6px; }
.tab.active { background: var(--panel2); color: var(--text); }
main { padding: 20px 24px; max-width: 1100px; }

/* cards */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 16px; margin-bottom: 10px;
}
.card .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.card .name { font-weight: 600; }
.card .sub { color: var(--muted); font-size: 12px; word-break: break-all; }
.card .actions { display: flex; gap: 6px; flex-shrink: 0; }
.badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px;
  background: var(--panel2); border: 1px solid var(--border); color: var(--muted);
}
.badge.active { color: var(--green); border-color: var(--green); }
.badge.inactive { color: var(--red); border-color: var(--red); }
.badge.error { color: var(--red); border-color: var(--red); }
.badge.ok { color: var(--green); border-color: var(--green); }

.stat-row { display: flex; gap: 12px; flex-wrap: wrap; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 14px 20px; min-width: 130px;
}
.stat .num { font-size: 24px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 12px; }

.toolbar { display: flex; justify-content: space-between; align-items: center; }
.toolbar h2 { margin: 0; }

/* forms */
.form-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 18px; margin: 14px 0;
}
.form-card form { display: flex; flex-direction: column; gap: 10px; max-width: 480px; }
.form-card label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.form-card label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
.form-card label.check input { width: auto; }
.form-actions { display: flex; gap: 8px; margin-top: 6px; }

/* matrix */
.matrix { width: 100%; border-collapse: collapse; margin-top: 8px; }
.matrix th, .matrix td { border: 1px solid var(--border); padding: 6px 10px; text-align: left; font-size: 13px; }
.matrix th { background: var(--panel2); color: var(--muted); font-weight: 500; }
.matrix .toggle { cursor: pointer; }