body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  margin: 0;
  color: #1a1a1a;
  background: #fafafa;
}

.zh { display: block; }
.en { display: block; font-size: .8em; color: #666; }

header.top {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: .75rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid #ddd;
}

.brand { text-decoration: none; color: inherit; }

nav { display: flex; gap: 1rem; flex: 1; }
nav a { text-decoration: none; color: #333; }
nav a:hover { text-decoration: underline; }

form.inline { display: flex; align-items: center; gap: .5rem; }
.who { color: #555; font-size: .9em; }

main { padding: 1.5rem; }

table { border-collapse: collapse; width: 100%; }
table th, table td {
  border: 1px solid #ddd;
  padding: .4rem .6rem;
  text-align: left;
}

.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { padding: .5rem .75rem; margin-bottom: .25rem; border-radius: 4px; background: #eef; }
.messages .error { color: #b00; background: #fee; }

.secret { font-family: monospace; }

.form-row { margin-bottom: .75rem; }
.form-row label { display: block; font-weight: 600; margin-bottom: .25rem; }
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  max-width: 32rem;
  padding: .4rem .5rem;
  box-sizing: border-box;
}

form.filters { display: flex; flex-wrap: wrap; gap: .5rem; align-items: flex-end; margin-bottom: .75rem; }
form.filters label { display: flex; flex-direction: column; font-size: .8em; }
form.filters input { width: 9rem; padding: .25rem; }

.count { color: #555; font-size: .9em; }
.pager { display: flex; gap: 1rem; margin-top: .75rem; }
td.actions { display: flex; gap: .5rem; align-items: center; white-space: nowrap; }
.help { color: #666; font-size: .8em; margin: .25rem 0 0; }
.error { color: #b00; }
.warn { background: #fff8e1; border: 1px solid #e0c060; padding: .5rem .75rem; border-radius: 4px; }