:root {
  --primary: #2563eb;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }

/* 作者样式的 display 会盖掉 UA 的 [hidden]{display:none}，必须显式声明 */
[hidden] { display: none !important; }

body {
  margin: 0;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 56px;
  background: var(--primary); color: #fff;
}

.topbar .brand { font-weight: 700; font-size: 18px; }
.topbar nav a { color: #dbeafe; margin-right: 18px; text-decoration: none; }
.topbar nav a:hover { color: #fff; }
.topbar .user { margin-left: auto; font-size: 14px; }

.container { padding: 20px 24px; display: grid; gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 10px; padding: 16px 18px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .04);
}

.card h2 { margin: 0 0 12px; font-size: 18px; }
.card h3 { margin: 0 0 10px; font-size: 15px; color: #374151; }

table.grid { width: 100%; border-collapse: collapse; font-size: 14px; }
table.grid th, table.grid td {
  padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left;
}
table.grid th { background: #f9fafb; color: #374151; font-weight: 600; }
table.grid tr.active { background: #eff6ff; }
table.grid input[type=number] { width: 96px; }

.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; }
.metric {
  background: #f9fafb; border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; display: flex; flex-direction: column; gap: 4px;
}
.metric span { color: var(--muted); font-size: 12px; }
.metric b { font-size: 20px; }

.form-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }

input, select, button {
  height: 34px; padding: 0 10px; border: 1px solid var(--border);
  border-radius: 6px; font-size: 14px; outline: none;
}
input:focus, select:focus { border-color: var(--primary); }
button { background: var(--primary); color: #fff; border: none; cursor: pointer; padding: 0 16px; }
button:hover { filter: brightness(1.05); }
button.link, a.link { background: none; border: none; color: var(--primary); cursor: pointer; padding: 0; }

.bar-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 13px; }
.bar-label { width: 96px; color: var(--muted); }
.bar { flex: 1; background: #eef2ff; border-radius: 4px; height: 14px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--primary); }
.bar-num { width: 40px; text-align: right; }

ol.rank { margin: 0; padding-left: 20px; font-size: 14px; line-height: 1.9; }

.tag { padding: 2px 8px; border-radius: 999px; font-size: 12px; background: #e5e7eb; }
.tag-PUBLISHED { background: #dcfce7; color: #166534; }
.tag-DRAFT { background: #fef3c7; color: #92400e; }
.tag-PENDING_REVIEW { background: #dbeafe; color: #1e40af; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: #dc2626; font-size: 13px; }

.captcha-row { display: flex; gap: 8px; align-items: center; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 8px 0; }
textarea { width: 100%; box-sizing: border-box; border: 1px solid #d8e0ec; border-radius: 8px; padding: 8px; font: inherit; }
textarea:focus { border-color: var(--primary); outline: none; }
.captcha-row input { flex: 1; text-transform: uppercase; }
.captcha-row img { height: 42px; border: 1px solid #d8e0ec; border-radius: 8px; cursor: pointer; background: #fff; }
.login-card label.small { display: flex; align-items: center; gap: 6px; margin: 6px 0; }
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }

.login-mask {
  position: fixed; inset: 0; background: var(--bg);
  display: flex; align-items: center; justify-content: center;
}
.login-card {
  width: 340px; background: #fff; border: 1px solid var(--border);
  border-radius: 12px; padding: 28px; display: grid; gap: 12px;
}
.login-card h1 { margin: 0; font-size: 22px; }
.login-card p { margin: 0; }

/* 交换任务（M3） */
.task-row { border-top: 1px solid var(--border); padding: 8px 0; }
.task-row .form-row { gap: 10px; align-items: center; }
.task-row progress { width: 160px; vertical-align: middle; }
.status-SUCCESS { color: #2e7d32; }
.status-FAILED { color: #dc2626; }
.status-CANCELED, .status-CANCEL_REQUESTED { color: #8a8f98; }
.status-RUNNING, .status-QUEUED { color: #1565c0; }