:root { --fc-bg:#0b1220; --fc-card:#111b2e; --fc-line:rgba(148,163,184,.18); --fc-accent:#38bdf8; }
.fc-body { background:var(--fc-bg); color:#e8eef7; min-height:100vh; }
.fc-header { background:#0d1729; border-bottom:1px solid var(--fc-line); }
.fc-brand { color:#e8eef7; text-decoration:none; font-size:1.05rem; }
.fc-brand i { color:var(--fc-accent); }
.fc-card { background:var(--fc-card); border:1px solid var(--fc-line); border-radius:14px; }
.fc-footer { border-top:1px solid var(--fc-line); background:#0d1729; margin-top:1.5rem; }
.fc-status { display:flex; align-items:center; gap:14px; }
.fc-status i { font-size:2rem; }
.fc-status__label { font-weight:600; font-size:1.05rem; }
.fc-status--ok i { color:#10b981; }
.fc-status--warn i { color:#f59e0b; }
.fc-status--bad i { color:#ef4444; }
.fc-status--unk i { color:#94a3b8; }
.fc-signal { background:#0e1a2e; border:1px solid var(--fc-line); border-radius:12px; padding:12px; height:100%; }
.fc-chart { position:relative; height:180px; margin-top:8px; }
.form-select, .form-control { background:#0e1a2e; border-color:var(--fc-line); color:#e8eef7; }
.form-select:focus { background:#0e1a2e; color:#e8eef7; border-color:var(--fc-accent); box-shadow:none; }
.fc-note { background:rgba(56,189,248,.08); border:1px solid rgba(56,189,248,.35); border-radius:10px; padding:8px 12px; color:#cfe3f5; }
.fc-help { line-height:1.45; }
details.fc-card summary { cursor:pointer; }