:root {
  --bg: #f5f7fb;
  --side: #ffffff;
  --side-w: 220px;
  --card: #ffffff;
  --line: #e8edf5;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-soft: #eff6ff;
  --ok: #16a34a;
  --ok-soft: #ecfdf5;
  --warn: #d97706;
  --warn-soft: #fffbeb;
  --bad: #dc2626;
  --bad-soft: #fef2f2;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px rgba(15, 23, 42, .04);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--primary); text-decoration: none; }
.layout { display: flex; min-height: 100vh; }
.side {
  width: var(--side-w);
  flex-shrink: 0;
  background: var(--side);
  border-right: 1px solid var(--line);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}
.brand {
  padding: 6px 10px 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}
.brand strong {
  display: block;
  font-size: 15px;
  line-height: 1.4;
  color: #0f172a;
}
.brand span {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: var(--muted);
}
.menu { display: flex; flex-direction: column; gap: 4px; }
.menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: #334155;
  font-size: 14px;
}
.menu a:hover { background: #f8fafc; color: #0f172a; }
.menu a.active {
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 600;
}
.menu .sep {
  height: 1px;
  background: var(--line);
  margin: 10px 4px;
}
.main {
  flex: 1;
  min-width: 0;
  padding: 22px 24px 48px;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
}
.topbar h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 700;
  color: #0f172a;
}
.topbar .sub { color: var(--muted); font-size: 13px; margin-top: 4px; }
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.stat span { color: var(--muted); font-size: 13px; }
.stat b { display: block; margin-top: 8px; font-size: 28px; color: #0f172a; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
}
.card h2 {
  margin: 0 0 14px;
  font-size: 16px;
  color: #0f172a;
}
label.field {
  font-size: 13px;
  color: var(--muted);
  display: block;
  margin: 12px 0 6px;
}
select, input[type=text], input[type=password], input:not([type]) {
  width: 100%;
  max-width: 480px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #dbe3ef;
  background: #fff;
  color: var(--text);
  font-size: 14px;
}
select:focus, input:focus {
  outline: none;
  border-color: #93c5fd;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .12);
}
.checks { display: flex; flex-wrap: wrap; gap: 8px 16px; }
.checks label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  color: var(--text);
  font-size: 14px;
}
.btns { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
button, .btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-weight: 650;
  cursor: pointer;
  font-size: 13px;
}
.btn-ok { background: var(--ok); color: #fff; }
.btn-ok:hover { filter: brightness(.96); }
.btn-warn { background: var(--warn); color: #fff; }
.btn-mute { background: #eef2f7; color: #334155; }
.btn-mute:disabled { opacity: .55; cursor: not-allowed; }
.hint { color: var(--muted); font-size: 12px; line-height: 1.7; margin-top: 10px; }
pre#log, .logbox {
  background: #0f172a;
  color: #bbf7d0;
  padding: 14px;
  border-radius: 12px;
  min-height: 140px;
  max-height: 360px;
  overflow: auto;
  font-size: 12px;
  line-height: 1.55;
  white-space: pre-wrap;
  margin: 0;
}
.bar {
  height: 10px;
  background: #eef2f7;
  border-radius: 999px;
  overflow: hidden;
  margin-top: 12px;
}
.bar > i {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, #2563eb, #60a5fa);
}
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); font-weight: 600; font-size: 12px; }
.alert {
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--bad-soft);
  color: #991b1b;
  border: 1px solid #fecaca;
  margin-bottom: 16px;
  line-height: 1.6;
}
.pager { display: flex; gap: 10px; align-items: center; margin-top: 12px; flex-wrap: wrap; }
.muted { color: var(--muted); }
.filter-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filter-row input, .filter-row select { width: auto; max-width: 180px; }
@media (max-width: 900px) {
  .layout { display: block; }
  .side {
    width: 100%;
    height: auto;
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .menu { flex-direction: row; flex-wrap: wrap; }
  .grid { grid-template-columns: 1fr; }
  .main { padding: 16px; }
}