:root {
  --bg: #0b0f17;
  --bg2: #121826;
  --card: #151c2c;
  --card2: #1b2436;
  --border: #26314a;
  --txt: #e8edf7;
  --muted: #8896b5;
  --accent: #4f8cff;
  --ok: #2ecc71;
  --warn: #f7b500;
  --bad: #ff4d5e;
  --shadow: 0 6px 24px rgba(0,0,0,.35);
  --radius: 16px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: radial-gradient(1200px 600px at 20% -10%, #16233f 0%, var(--bg) 55%);
  color: var(--txt); min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }

/* header */
header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 28px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(11,15,23,.82);
  backdrop-filter: blur(10px); z-index: 10;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 18px; }
.brand .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 12px var(--ok); }
.brand .dot.bad { background: var(--bad); box-shadow: 0 0 12px var(--bad); }
.brand small { color: var(--muted); font-weight: 500; font-size: 12px; margin-left: 6px; }
.top .right { display: flex; align-items: center; gap: 16px; color: var(--muted); font-size: 13px; }
.top .right form { margin: 0; }
.btn {
  background: var(--card2); color: var(--txt); border: 1px solid var(--border);
  padding: 7px 14px; border-radius: 10px; cursor: pointer; font-size: 13px;
}
.btn:hover { border-color: var(--accent); }

main { padding: 24px 28px 60px; max-width: 1280px; margin: 0 auto; }
h2.section { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 28px 0 14px; }

/* grid host */
.grid { display: grid; gap: 16px; }
.hosts { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }

.card {
  background: linear-gradient(180deg, var(--card) 0%, var(--bg2) 100%);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow);
}
.card.host h3 { margin: 0 0 2px; font-size: 16px; display: flex; align-items: center; gap: 9px; }
.pill { font-size: 11px; padding: 3px 9px; border-radius: 999px; font-weight: 600; }
.pill.ok { background: rgba(46,204,113,.14); color: var(--ok); }
.pill.bad { background: rgba(255,77,94,.14); color: var(--bad); }
.pill.warn { background: rgba(247,181,0,.14); color: var(--warn); }
.host .sub { color: var(--muted); font-size: 12px; margin-bottom: 14px; }

.metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.metric { background: var(--card2); border: 1px solid var(--border); border-radius: 12px; padding: 12px; }
.metric .label { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.metric .value { font-size: 22px; font-weight: 700; margin-top: 4px; }
.metric .value small { font-size: 12px; color: var(--muted); font-weight: 500; }
.spark { width: 100%; height: 34px; margin-top: 6px; display: block; }
.bar { height: 6px; border-radius: 4px; background: #24304a; margin-top: 8px; overflow: hidden; }
.bar > span { display: block; height: 100%; border-radius: 4px; background: var(--accent); }
.bar > span.warn { background: var(--warn); }
.bar > span.bad { background: var(--bad); }

/* servizi */
.services { grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.svc { display: flex; align-items: center; gap: 10px; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; }
.svc .led { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.svc .led.ok { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.svc .led.bad { background: var(--bad); box-shadow: 0 0 8px var(--bad); }
.svc .n { font-size: 13px; font-weight: 600; }
.svc .d { font-size: 11px; color: var(--muted); }
.svc .host-tag { margin-left: auto; font-size: 10px; color: var(--muted); background: var(--card2); padding: 2px 7px; border-radius: 6px; }
.mini-btn {
  margin-left: 8px; flex: none; width: 26px; height: 26px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--card2); color: var(--muted);
  cursor: pointer; font-size: 14px; line-height: 1; transition: all .15s;
}
.mini-btn:hover { color: var(--accent); border-color: var(--accent); transform: rotate(90deg); }

/* dominio */
.domain { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.kpi { background: linear-gradient(180deg, var(--card) 0%, var(--bg2) 100%); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.kpi .label { color: var(--muted); font-size: 12px; }
.kpi .big { font-size: 30px; font-weight: 800; margin-top: 6px; }
.kpi .big.ok { color: var(--ok); } .kpi .big.warn { color: var(--warn); } .kpi .big.bad { color: var(--bad); }

/* alerts */
.alerts .row { display: flex; gap: 12px; align-items: center; padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.alerts .row:last-child { border-bottom: none; }
.tag { font-size: 10px; padding: 2px 8px; border-radius: 6px; font-weight: 700; }
.tag.critical { background: rgba(255,77,94,.16); color: var(--bad); }
.tag.warning { background: rgba(247,181,0,.16); color: var(--warn); }
.tag.resolved { background: rgba(46,204,113,.14); color: var(--ok); }
.muted { color: var(--muted); }
.empty { color: var(--muted); font-size: 13px; padding: 16px; text-align: center; }

/* tooltip informativi (icona ⓘ) */
.info {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%;
  border: 1px solid var(--border); color: var(--muted);
  font-size: 10px; font-weight: 700; font-style: normal; margin-left: 7px;
  cursor: help; position: relative; vertical-align: middle; letter-spacing: 0;
  text-transform: none; flex: none;
}
.info:hover { color: var(--accent); border-color: var(--accent); }
.info::after {
  content: attr(data-tip);
  position: absolute; bottom: 150%; left: 50%; transform: translateX(-50%);
  width: 240px; max-width: 60vw;
  background: #0a0e16; border: 1px solid var(--border); color: var(--txt);
  padding: 10px 12px; border-radius: 10px;
  font-size: 12px; line-height: 1.45; font-weight: 400;
  text-transform: none; letter-spacing: 0; text-align: left;
  opacity: 0; pointer-events: none; transition: opacity .15s;
  z-index: 60; box-shadow: var(--shadow);
}
.info::before {
  content: ''; position: absolute; bottom: 150%; left: 50%;
  transform: translate(-50%, 50%) rotate(45deg);
  width: 8px; height: 8px; background: #0a0e16;
  border-right: 1px solid var(--border); border-bottom: 1px solid var(--border);
  opacity: 0; transition: opacity .15s; z-index: 61;
}
.info:hover::after, .info:hover::before { opacity: 1; }
h2.section .info { border-color: var(--border); }
h2.section .info::after { text-transform: none; }

/* log viewer */
.logbar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; align-items: center; }
.logbar select, .logbar input {
  background: var(--card2); color: var(--txt); border: 1px solid var(--border);
  border-radius: 10px; padding: 9px 12px; font-size: 13px;
}
.logbar input { flex: 1; min-width: 200px; }
.logbar input:focus, .logbar select:focus { outline: none; border-color: var(--accent); }
.logbox {
  background: #0a0e16; border: 1px solid var(--border); border-radius: 14px;
  padding: 10px 2px; max-height: 540px; overflow: auto;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 12px; line-height: 1.55;
}
.logline {
  display: flex; gap: 12px; padding: 2px 12px;
  white-space: pre-wrap; word-break: break-word;
  border-left: 3px solid transparent;
}
.logline:hover { background: rgba(255,255,255,.03); }
.logline .lt { color: var(--muted); flex: none; }
.logline .lh { color: var(--muted); flex: none; font-size: 10px; opacity: .7; }
.logline .lu { color: #7aa2f7; flex: none; min-width: 150px; }
.logline .lm { color: var(--txt); flex: 1; }
.logline.err { border-left-color: var(--bad); }
.logline.err .lm { color: #ff9aa4; }
.logline.warn { border-left-color: var(--warn); }
.logline.warn .lm { color: #f7d774; }
.logbox .empty { font-family: -apple-system, BlinkMacSystemFont, sans-serif; }

/* login */
.login-wrap { display: grid; place-items: center; min-height: 100vh; }
.login-card { width: 340px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.login-card h1 { font-size: 20px; margin: 0 0 4px; display: flex; align-items: center; gap: 10px; }
.login-card p { color: var(--muted); font-size: 13px; margin: 0 0 22px; }
.login-card input { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg2); color: var(--txt); font-size: 14px; }
.login-card button { width: 100%; margin-top: 14px; padding: 12px; border: none; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 700; font-size: 14px; cursor: pointer; }
.login-card .err { color: var(--bad); font-size: 12px; margin-top: 12px; text-align: center; }