* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: #f5f7fa;
  color: #1f2937;
}
.topbar {
  background: #fff;
  padding: 14px 24px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}
.topbar h1 { font-size: 18px; margin: 0; font-weight: 600; }
.tabs { display: flex; gap: 8px; }
.tab {
  border: 1px solid #d1d5db; background: #fff; color: #374151;
  padding: 8px 18px; border-radius: 8px; cursor: pointer; font-size: 14px;
}
.tab.active { background: #2563eb; color: #fff; border-color: #2563eb; }

main { max-width: 1080px; margin: 20px auto; padding: 0 16px; }
.panel { display: none; }
.panel.active { display: block; }

.login-box {
  background: #fff; padding: 28px; border-radius: 12px; max-width: 420px; margin: 40px auto;
  box-shadow: 0 2px 10px rgba(0,0,0,.05);
}
.login-box label { display: block; margin-bottom: 10px; font-weight: 500; }
.row { display: flex; gap: 10px; }
.row input { flex: 1; }
input, select {
  padding: 9px 12px; border: 1px solid #d1d5db; border-radius: 8px; font-size: 14px; width: 100%;
}
.msg { margin-top: 10px; font-size: 13px; color: #6b7280; }
.msg.error { color: #dc2626; }
.msg.ok { color: #16a34a; }

.btn {
  border: none; border-radius: 8px; padding: 9px 18px; cursor: pointer;
  font-size: 14px; background: #e5e7eb; color: #111827;
}
.btn.primary { background: #2563eb; color: #fff; }
.btn.ghost { background: #fff; border: 1px solid #d1d5db; color: #374151; }
.btn.upload { margin-top: 8px; background: #2563eb; color: #fff; }
.btn.danger { background: #dc2626; color: #fff; }
.btn.danger:disabled { background: #f3b4b4; cursor: not-allowed; }
.hidden { display: none !important; }

.entry-head { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.badge { background: #eef2ff; color: #3730a3; padding: 6px 14px; border-radius: 20px; font-size: 14px; }

.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.card {
  background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 18px;
}
.card h3 { margin: 0 0 4px; font-size: 16px; }
.card .hint { margin: 0 0 10px; font-size: 12px; color: #6b7280; }
.card input[type=file] { margin-bottom: 8px; }
.card .pwd { margin-bottom: 8px; }
.card .status { font-size: 12px; color: #6b7280; margin: 8px 0 0; }
.card .status.ok { color: #16a34a; }

.result-control { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.result-control select { width: auto; min-width: 90px; }

.eval-result { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 22px; margin: 14px 0; }
.stars-big { font-size: 30px; color: #f59e0b; letter-spacing: 4px; margin-bottom: 8px; }
.prose { line-height: 1.7; white-space: pre-wrap; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.two-col h4.ok { color: #16a34a; margin: 12px 0 6px; }
.two-col h4.warn { color: #d97706; margin: 12px 0 6px; }
.two-col ul { margin: 0; padding-left: 18px; line-height: 1.7; }

.section-title { margin: 22px 0 10px; font-size: 16px; }
.table-wrap { overflow-x: auto; background: #fff; border-radius: 12px; border: 1px solid #e5e7eb; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 10px 12px; text-align: center; border-bottom: 1px solid #f0f0f0; }
th { background: #f9fafb; font-weight: 600; }
td.lf { text-align: left; }

.export-box { background: #fff; border: 1px solid #e5e7eb; border-radius: 12px; padding: 18px; margin-top: 22px; }
.export-box .row { max-width: 560px; }
.danger-box { background: #fff5f5; border: 1px solid #fecaca; border-radius: 12px; padding: 18px; margin-top: 22px; }
.danger-box .row { max-width: 560px; }
@media (max-width: 720px) {
  .cards, .two-col { grid-template-columns: 1fr; }
}