:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b36;
  --text: #e8eaf0;
  --muted: #98a0b0;
  --accent: #4f8cff;
  --ok: #35c37d;
  --warn: #e0a13a;
  --err: #e2556a;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 -apple-system, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  background: #12151b;
  position: sticky;
  top: 0;
  z-index: 5;
}

.brand { font-weight: 600; letter-spacing: .3px; }
.status { color: var(--muted); font-size: 13px; }

main {
  padding: 16px;
  display: grid;
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px 16px;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.panel-head h2 { font-size: 15px; margin: 0; }
.hint { color: var(--muted); font-size: 12px; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; }

button {
  border: 1px solid var(--line);
  background: #1f2430;
  color: var(--text);
  padding: 9px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
}

button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: progress; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
button.ghost { background: transparent; }

.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { color: var(--muted); font-weight: 500; }

.result {
  margin-top: 10px;
  display: grid;
  gap: 8px;
  font-size: 13px;
}

.row {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  background: #141820;
}

.row.ok { border-color: rgba(53,195,125,.5); }
.row.err { border-color: rgba(226,85,106,.5); }
.row.warn { border-color: rgba(224,161,58,.5); }

.row-head { display: flex; flex-wrap: wrap; gap: 8px; justify-content: space-between; }
.row-title { font-weight: 600; }
.row-meta { color: var(--muted); }

.summary { color: var(--muted); }
.summary strong { color: var(--text); }

.settings { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.field { display: grid; gap: 4px; }
.field label { color: var(--muted); font-size: 12px; }
.field input {
  background: #12161d;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 13px;
}
.settings-actions { grid-column: 1 / -1; display: flex; gap: 8px; }