:root{
  --bg:#0f1420; --panel:#171e2e; --panel2:#1e2740; --line:#2a3550;
  --text:#e6ebf5; --muted:#93a0bd; --accent:#4c8dff; --green:#2ecc71;
  --red:#ff5c6c; --amber:#ffb020;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:16px 22px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px}
.logo{font-size:26px}
h1{margin:0;font-size:18px}
.sub{color:var(--muted);font-size:12px}
.header-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
button,.file-btn{cursor:pointer;border-radius:8px;border:1px solid var(--line);
  background:var(--panel2);color:var(--text);padding:8px 12px;font-size:13px;transition:.15s}
button:hover,.file-btn:hover{border-color:var(--accent)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
button.primary:hover{filter:brightness(1.1)}
button.danger{color:var(--red);border-color:#4a2730}
button.danger:hover{background:#2a1720;border-color:var(--red)}
.file-btn{display:inline-block}
.toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:14px 22px;flex-wrap:wrap}
#search{flex:1;min-width:240px;max-width:460px;padding:9px 12px;border-radius:8px;
  border:1px solid var(--line);background:var(--panel);color:var(--text)}
.stats{color:var(--muted);font-size:12px}
main{padding:0 22px 40px}
table{width:100%;border-collapse:collapse;background:var(--panel);border-radius:10px;overflow:hidden}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--panel2);color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
tbody tr:hover{background:#1b2438}
td.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.badge{display:inline-block;padding:2px 8px;border-radius:99px;font-size:11px;border:1px solid var(--line)}
.badge.on{color:var(--green);border-color:#1f4a34;background:#12251b}
.badge.off{color:var(--muted)}
.badge.status-ok{color:var(--green)}
.badge.status-error{color:var(--red)}
.heki{font-size:12px;color:var(--muted)}
.heki.latest{color:var(--green)}
.heki.none{color:var(--muted);opacity:.6}
.bars{display:flex;gap:2px;align-items:center}
.bar{width:4px;height:16px;border-radius:2px;display:inline-block;background:#2a3550}
.bar.on{background:var(--green)}
.bar.off{background:var(--red)}
.bar.none{background:#2a3550;opacity:.45}
.chip{display:inline-block;margin:1px 3px 1px 0;padding:1px 7px;border-radius:6px;
  background:var(--panel2);border:1px solid var(--line);font-size:11px;color:var(--muted)}
.row-actions{display:flex;gap:6px}
.row-actions button{padding:5px 9px;font-size:12px}
.empty{text-align:center;color:var(--muted);padding:40px}
dialog{border:1px solid var(--line);border-radius:12px;background:var(--panel);color:var(--text);
  padding:0;width:min(680px,94vw)}
dialog::backdrop{background:rgba(0,0,0,.55)}
#vps-form,#key-modal form{padding:20px}
dialog h2{margin:0 0 14px;font-size:16px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid label{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted)}
.grid label.full{grid-column:1/-1}
.grid label.inline{flex-direction:row;align-items:center;gap:8px;color:var(--text)}
.grid input,.grid select,#k-input{padding:8px 10px;border-radius:8px;border:1px solid var(--line);
  background:var(--bg);color:var(--text);font-size:13px}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.hint{color:var(--muted);font-size:12px;margin-top:10px;min-height:16px}
#k-input{width:100%;margin-top:8px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--panel2);
  border:1px solid var(--line);padding:10px 18px;border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.4);z-index:99}
.toast.err{border-color:var(--red);color:#ffd7dc}
@media(max-width:720px){.grid{grid-template-columns:1fr}}