:root {
  --ink: #17201d;
  --muted: #65716c;
  --paper: #f4f3ed;
  --card: #fffef9;
  --line: #deded5;
  --green: #197457;
  --amber: #b26a18;
  --red: #b64038;
  --slate: #68746f;
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
}
header, main { width: min(1400px, calc(100% - 40px)); margin: 0 auto; }
header {
  display: flex; justify-content: space-between; align-items: end;
  padding: 42px 0 28px; border-bottom: 1px solid var(--line);
}
h1 { font-size: clamp(30px, 4vw, 52px); letter-spacing: -2px; margin: 2px 0 8px; }
h2 { margin: 2px 0; font-size: 24px; }
p { margin: 0; }
.eyebrow { color: var(--green); font-size: 11px; font-weight: 800; letter-spacing: 2px; }
.muted, #updated { color: var(--muted); }
.actions { display: flex; gap: 10px; }
button, select, input {
  border: 1px solid var(--ink); border-radius: 8px; background: var(--ink);
  color: white; padding: 10px 14px; font: inherit; cursor: pointer;
}
button.secondary, select, input { background: transparent; color: var(--ink); border-color: var(--line); }
main { padding: 26px 0 60px; }
section { margin-bottom: 34px; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.metric, .store-card {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 18px;
}
.metric strong { display: block; font-size: 34px; margin-top: 12px; }
.section-title { display: flex; justify-content: space-between; align-items: end; margin: 0 0 12px; }
.store-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.store-card h3 { margin: 0 0 18px; font-size: 20px; }
.store-counts { display: flex; gap: 14px; color: var(--muted); font-size: 13px; }
.store-counts b { display: block; color: var(--ink); font-size: 22px; }
.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; }
th, td { text-align: left; padding: 13px 15px; border-bottom: 1px solid var(--line); font-size: 13px; }
th { color: var(--muted); font-size: 11px; letter-spacing: .5px; text-transform: uppercase; }
tbody tr:last-child td { border-bottom: 0; }
.device-name { font-weight: 700; }
.badge { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.ok { color: var(--green); }.warning { color: var(--amber); }
.critical { color: var(--red); }.offline, .unknown { color: var(--slate); }
.bar { width: 80px; height: 5px; background: #e6e5df; border-radius: 9px; overflow: hidden; margin-top: 5px; }
.bar span { display: block; height: 100%; background: var(--green); }
dialog { border: 0; border-radius: 14px; padding: 24px; box-shadow: 0 20px 60px #0004; }
dialog::backdrop { background: #17201d88; }
dialog form { display: grid; gap: 15px; min-width: min(360px, 80vw); }
dialog input { width: 100%; cursor: text; }
.dialog-actions { display: flex; justify-content: end; gap: 8px; }
.empty { padding: 30px; text-align: center; color: var(--muted); }
@media (max-width: 700px) {
  header { align-items: start; gap: 20px; flex-direction: column; }
  .summary { grid-template-columns: repeat(2, 1fr); }
}