:root {
  --fondo: #0f1115;
  --pannello: #171a21;
  --bordo: #262b36;
  --testo: #e6e8ee;
  --tenue: #8b93a7;
  --accento: #7c9cff;
  --ok: #3ecf8e;
  --attenzione: #f5b84b;
  --errore: #f06a6a;
  --raggio: 10px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--fondo);
  color: var(--testo);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

button {
  font: inherit;
  color: var(--testo);
  background: #222734;
  border: 1px solid var(--bordo);
  border-radius: 7px;
  padding: 5px 11px;
  cursor: pointer;
}
button:hover { border-color: var(--accento); }
button:disabled { opacity: .5; cursor: wait; }
button.pericolo:hover { border-color: var(--errore); color: var(--errore); }

/* ── Login ── */
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 16px;
}
.login form {
  width: min(340px, 100%);
  background: var(--pannello);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 26px 22px;
  display: grid;
  gap: 12px;
}
.login h1 { margin: 0 0 4px; font-size: 18px; }
.login input {
  font: inherit;
  color: var(--testo);
  background: var(--fondo);
  border: 1px solid var(--bordo);
  border-radius: 7px;
  padding: 9px 11px;
}
.login input:focus { outline: none; border-color: var(--accento); }
.login button { padding: 9px; background: var(--accento); color: #0b0d12; border: 0; font-weight: 600; }
.messaggio { color: var(--errore); min-height: 1.4em; margin: 0; font-size: 13px; }

/* ── Pannello ── */
header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--bordo);
  position: sticky;
  top: 0;
  background: color-mix(in srgb, var(--fondo) 92%, transparent);
  backdrop-filter: blur(6px);
  z-index: 2;
}
header h1 { font-size: 16px; margin: 0; }
header .host { color: var(--tenue); }
header .spazio { flex: 1; }
#aggiornato { color: var(--tenue); font-size: 12px; }

main { max-width: 1100px; margin: 0 auto; padding: 18px 16px 40px; display: grid; gap: 22px; }
h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--tenue); margin: 0 0 10px; }

.riquadri { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.riquadro {
  background: var(--pannello);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 12px 14px;
}
.riquadro .etichetta { color: var(--tenue); font-size: 12px; }
.riquadro .valore { font-size: 20px; font-weight: 600; margin: 2px 0 6px; font-variant-numeric: tabular-nums; }
.riquadro .nota { color: var(--tenue); font-size: 12px; }
.barra { height: 5px; background: var(--bordo); border-radius: 3px; overflow: hidden; }
.barra > i { display: block; height: 100%; background: var(--accento); transition: width .4s; }
.barra.alta > i { background: var(--attenzione); }
.barra.critica > i { background: var(--errore); }

.tabella { background: var(--pannello); border: 1px solid var(--bordo); border-radius: var(--raggio); overflow: hidden; }
.riga {
  display: grid;
  grid-template-columns: 14px minmax(160px, 1.6fr) repeat(4, minmax(64px, .6fr)) 150px;
  gap: 12px;
  align-items: center;
  padding: 10px 14px;
  border-top: 1px solid var(--bordo);
  font-variant-numeric: tabular-nums;
}
.riga:first-child { border-top: 0; }
.riga.testata { color: var(--tenue); font-size: 12px; padding-block: 8px; }
.riga .nome small { display: block; color: var(--tenue); font-size: 12px; }
.riga .azioni { display: flex; gap: 6px; justify-content: flex-end; }
.pallino { width: 10px; height: 10px; border-radius: 50%; background: var(--tenue); }
.pallino.active { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 20%, transparent); }
.pallino.failed { background: var(--errore); box-shadow: 0 0 0 3px color-mix(in srgb, var(--errore) 25%, transparent); }
.pallino.activating, .pallino.deactivating, .pallino.reloading { background: var(--attenzione); }
.tenue { color: var(--tenue); }
.rosso { color: var(--errore); }
.giallo { color: var(--attenzione); }
.verde { color: var(--ok); }

.siti { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px; }
.sito { display: flex; gap: 10px; align-items: center; }
.sito a { color: var(--testo); text-decoration: none; word-break: break-all; }
.sito a:hover { color: var(--accento); }

dialog {
  width: min(1000px, calc(100vw - 32px));
  height: min(80vh, 900px);
  padding: 0;
  color: var(--testo);
  background: var(--pannello);
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
}
dialog[open] { display: flex; flex-direction: column; }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog .barra-log { display: flex; gap: 8px; align-items: center; padding: 10px 14px; border-bottom: 1px solid var(--bordo); }
dialog .barra-log strong { flex: 1; }
dialog label { color: var(--tenue); font-size: 12px; display: flex; gap: 5px; align-items: center; }
dialog pre {
  flex: 1;
  margin: 0;
  overflow: auto;
  padding: 12px 14px;
  font: 12px/1.5 ui-monospace, "Cascadia Mono", Consolas, monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

#avviso {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  background: #222734;
  border: 1px solid var(--bordo);
  border-radius: var(--raggio);
  padding: 9px 16px;
  max-width: calc(100vw - 32px);
  opacity: 0;
  pointer-events: none;
  transition: opacity .25s;
}
#avviso.visibile { opacity: 1; }

@media (max-width: 760px) {
  header { padding: 12px 16px; }
  header .host { display: none; }
  .riquadri { grid-template-columns: repeat(2, 1fr); }
  .riquadri.siti { grid-template-columns: 1fr; }
  .riga { grid-template-columns: 14px 1fr auto; row-gap: 4px; }
  .riga.testata { display: none; }
  .riga .dato { grid-column: 2 / 3; font-size: 12px; color: var(--tenue); }
  .riga .dato::before { content: attr(data-etichetta) ": "; }
  .riga .azioni { grid-column: 3; grid-row: 1 / span 5; flex-direction: column; }
}