:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --surface-2: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --ok: #22c55e;
  --ok-bg: #052e16;
  --warn: #f59e0b;
  --warn-bg: #422006;
  --down: #ef4444;
  --down-bg: #450a0a;
  --radius: 12px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

* { 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);
  line-height: 1.5;
}

/* --- Banner globale ------------------------------------------------------ */
.banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.75rem 2rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.banner__content { display: flex; align-items: center; gap: 1rem; }
.banner__icon {
  width: 3rem; height: 3rem; flex: none;
  display: grid; place-items: center;
  border-radius: 50%;
  font-size: 1.6rem; font-weight: bold;
}
.banner h1 { margin: 0; font-size: 1.5rem; }
.banner__subtitle { margin: 0.15rem 0 0; color: var(--text-muted); font-size: 0.95rem; }
.banner__meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.35rem; font-size: 0.85rem; color: var(--text-muted); }

.banner--ok    { background: linear-gradient(180deg, var(--ok-bg), transparent); }
.banner--warn  { background: linear-gradient(180deg, var(--warn-bg), transparent); }
.banner--down  { background: linear-gradient(180deg, var(--down-bg), transparent); }
.banner--ok    .banner__icon { background: var(--ok); color: #052e16; }
.banner--warn  .banner__icon { background: var(--warn); color: #422006; }
.banner--down  .banner__icon { background: var(--down); color: #450a0a; }
.banner--loading .banner__icon { background: var(--surface-2); }
.banner--down  h1 { color: var(--down); }
.banner--warn  h1 { color: var(--warn); }
.banner--ok    h1 { color: var(--ok); }

.badge {
  padding: 0.15rem 0.55rem; border-radius: 999px; font-size: 0.72rem; font-weight: 600;
}
.badge--stale { background: var(--warn-bg); color: var(--warn); border: 1px solid var(--warn); }

/* --- Layout -------------------------------------------------------------- */
main { max-width: 1100px; margin: 0 auto; padding: 1.5rem 2rem 3rem; }
.section { margin-top: 2rem; }
.section:first-child { margin-top: 1rem; }
.section__title { font-size: 1.1rem; margin: 0 0 1rem; display: flex; align-items: center; gap: 0.6rem; }
.section__count { font-size: 0.8rem; color: var(--text-muted); font-weight: 400; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.9rem; }

/* --- Card (droplet e check) --------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 4px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  box-shadow: var(--shadow);
}
.card--ok   { border-left-color: var(--ok); }
.card--warn { border-left-color: var(--warn); }
.card--down { border-left-color: var(--down); animation: pulse 2s infinite; }

@keyframes pulse {
  0%, 100% { box-shadow: var(--shadow); }
  50% { box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.25); }
}

.card__head { display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem; }
.card__name { font-weight: 600; font-size: 1rem; word-break: break-word; }
.card__sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 0.1rem; }
.card__status {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.15rem 0.5rem; border-radius: 999px; white-space: nowrap;
}
.status-pill--ok   { background: var(--ok-bg); color: var(--ok); }
.status-pill--warn { background: var(--warn-bg); color: var(--warn); }
.status-pill--down { background: var(--down-bg); color: var(--down); }

/* --- Icone risorse droplet ---------------------------------------------- */
.resources { display: flex; gap: 0.5rem; margin-top: 0.9rem; flex-wrap: wrap; }
.resource {
  display: flex; flex-direction: column; align-items: center; gap: 0.2rem;
  flex: 1 1 0; min-width: 52px;
  padding: 0.5rem 0.3rem; border-radius: 8px;
  background: var(--surface-2);
  border: 1px solid transparent;
}
.resource--alert { background: var(--down-bg); border-color: var(--down); }
.resource--na { opacity: 0.45; }
.resource__icon { width: 20px; height: 20px; color: var(--text-muted); }
.resource--alert .resource__icon { color: var(--down); }
.resource--ok .resource__icon { color: var(--ok); }
.resource__label { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--text-muted); }
.resource__value { font-size: 0.82rem; font-weight: 600; }
.resource--alert .resource__value { color: var(--down); }

/* --- Regioni uptime check ----------------------------------------------- */
.regions { display: flex; flex-direction: column; gap: 0.3rem; margin-top: 0.8rem; }
.region { display: flex; justify-content: space-between; align-items: center; font-size: 0.8rem; }
.region__name { color: var(--text-muted); }
.region__dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; margin-right: 0.4rem; }
.region__dot--up { background: var(--ok); }
.region__dot--down { background: var(--down); }
.region__dot--unknown { background: var(--text-muted); }
.card__note { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.6rem; }
.card__note--warn { color: var(--warn); }
.card__note--down { color: var(--down); }

.footer { text-align: center; padding: 1.5rem; color: var(--text-muted); font-size: 0.8rem; border-top: 1px solid var(--border); }
.empty { color: var(--text-muted); font-size: 0.9rem; }

/* --- Overlay di login ----------------------------------------------------- */
.login {
  position: fixed; inset: 0; z-index: 10;
  display: grid; place-items: center;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(4px);
}
.login[hidden] { display: none; }
.login__box {
  display: flex; flex-direction: column; gap: 0.8rem;
  width: min(320px, 90vw); padding: 2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.login__box h2 { margin: 0; font-size: 1.2rem; }
.login__hint { margin: 0; color: var(--text-muted); font-size: 0.85rem; }
.login__box input {
  padding: 0.55rem 0.75rem; font-size: 0.9rem;
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
}
.login__box input:focus { outline: none; border-color: var(--text-muted); }
.login__box button {
  padding: 0.6rem; font-size: 0.95rem; font-weight: 700; cursor: pointer;
  background: var(--ok); color: #052e16;
  border: none; border-radius: 8px;
}
.login__error { margin: 0; color: var(--down); font-size: 0.85rem; }

@media (max-width: 640px) {
  .banner, main { padding-left: 1rem; padding-right: 1rem; }
  .banner__meta { align-items: flex-start; }
}