:root {
  color-scheme: light;
  --bg: #f4f9fc;
  --panel: #ffffff;
  --line: #d4e8f2;
  --text: #172033;
  --muted: #60758a;
  --accent: #0d96bd;
  --danger: #c24141;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.shell {
  width: min(1180px, calc(100vw - 40px));
  margin: 30px auto;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
h1, h2, p { margin: 0; }
h1 { font-size: 30px; }
h2 { font-size: 18px; margin-bottom: 14px; }
.topbar p { color: var(--muted); margin-top: 6px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 16px;
}
.grid {
  display: grid;
  gap: 12px;
  margin-bottom: 14px;
}
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}
input, textarea, select {
  width: 100%;
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 8px 10px;
  color: var(--text);
  background: #fbfdff;
  font: inherit;
}
button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 9px;
  padding: 9px 14px;
  font-weight: 800;
  cursor: pointer;
}
button.ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--line);
}
button.danger {
  background: var(--danger);
  border-color: var(--danger);
}
.hidden { display: none; }
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.search {
  display: flex;
  gap: 8px;
  min-width: 460px;
}
.result {
  color: var(--accent);
  font-weight: 800;
  margin-top: 10px;
  word-break: break-all;
}
.tableWrap { overflow: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}
th { color: var(--muted); white-space: nowrap; }
td code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 12px;
}
.actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.detailGrid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.devices {
  margin-top: 16px;
}
@media (max-width: 800px) {
  .grid.two, .grid.four, .detailGrid { grid-template-columns: 1fr; }
  .toolbar { align-items: stretch; flex-direction: column; }
  .search { min-width: 0; flex-direction: column; }
}