:root {
  --bg: #151821;
  --panel: #1f2430;
  --card: #262c3a;
  --text: #edf2ff;
  --muted: #9ba7c2;
  --accent: #f6c453;
  --green: #66d19e;
  --red: #ff7a7a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Microsoft YaHei", sans-serif;
  background: linear-gradient(180deg, #131722, #0d1018);
  color: var(--text);
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.15);
}
.topbar h1 { margin: 0; font-size: 24px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
button {
  background: var(--accent);
  color: #232323;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
}
button.secondary { background: #3a445a; color: var(--text); }
.layout {
  display: grid;
  grid-template-columns: 280px 1fr 320px;
  gap: 16px;
  padding: 16px;
}
.panel { display: flex; flex-direction: column; gap: 16px; }
.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: 16px;
  padding: 16px;
  box-shadow: 0 8px 24px rgba(0,0,0,.2);
}
.screen {
  min-height: 380px;
  background: radial-gradient(circle at top, #36415d, #1d2230 55%, #171b25);
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.log {
  min-height: 200px;
  max-height: 320px;
  overflow: auto;
}
.row { display: flex; justify-content: space-between; margin: 6px 0; gap: 12px; }
.muted { color: var(--muted); }
.good { color: var(--green); }
.bad { color: var(--red); }
.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(246,196,83,.15);
  color: var(--accent);
  margin-right: 6px;
  font-size: 12px;
}
.list { margin: 8px 0 0; padding-left: 18px; }
@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
}