:root {
  --primary: #0a84ff;
  --primary-dark: #0060df;
  --danger: #ff3b30;
  --success: #34c759;
  --warning: #ff9500;
  --bg: #f2f3f7;
  --card: #fff;
  --text: #1d1d1f;
  --muted: #86868b;
  --border: #e3e5ea;
  --radius: 10px;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { max-width: 1320px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.inline { display: inline; }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; }
.red { color: var(--danger); }
.green { color: #1f9d48; }

/* 顶栏 */
.topbar { background: #1d1d1f; color: #fff; position: sticky; top: 0; z-index: 10; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; min-height: 56px; flex-wrap: wrap; }
.brand { color: #fff; font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.brand:hover { text-decoration: none; }
.logo { display: inline-flex; width: 28px; height: 28px; border-radius: 8px; background: var(--primary); align-items: center; justify-content: center; font-weight: 700; }
.topbar nav { display: flex; flex-wrap: wrap; gap: 4px; }
.topbar nav a { color: #d2d2d7; padding: 6px 12px; border-radius: 6px; }
.topbar nav a:hover { background: #333; text-decoration: none; color: #fff; }
.topbar nav a.active { background: var(--primary); color: #fff; }
.topbar nav a.logout { color: #ff8a80; }

main.container { padding-top: 20px; padding-bottom: 30px; }
.footer { color: var(--muted); font-size: 12px; text-align: center; padding: 20px; }

/* 标题行 */
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.page-head h1 { font-size: 22px; margin: 0; }
h2 { font-size: 17px; margin: 0 0 12px; }

/* 卡片 */
.card { background: var(--card); border-radius: var(--radius); box-shadow: 0 1px 3px rgba(0,0,0,.06); padding: 18px; margin-bottom: 18px; }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.card-head h2 { margin: 0; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat { background: var(--card); border-radius: var(--radius); padding: 16px 18px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.stat .label { color: var(--muted); font-size: 13px; }
.stat .value { font-size: 24px; font-weight: 600; margin-top: 4px; }
.stat .sub { font-size: 12px; color: var(--muted); }

/* 按钮 */
.btn {
  display: inline-block; border: 1px solid var(--border); background: #fff; color: var(--text);
  padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 14px; line-height: 1.4; white-space: nowrap;
}
.btn:hover { text-decoration: none; background: #f5f5f7; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: #fff; border-color: #ffc9c5; color: var(--danger); }
.btn-danger:hover { background: #fff1f0; }
.btn-success { background: var(--success); border-color: var(--success); color: #fff; }
.btn-success:hover { background: #2aa84a; }
.btn-sm { padding: 3px 9px; font-size: 12px; border-radius: 6px; }
.actions { display: flex; gap: 4px; flex-wrap: wrap; }

/* 表格 */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 9px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { background: #fafafc; color: var(--muted); font-weight: 500; font-size: 13px; white-space: nowrap; }
tr:hover td { background: #fafbff; }
td.remark { max-width: 240px; color: #555; font-size: 13px; white-space: pre-wrap; word-break: break-all; }
tfoot td { font-weight: 600; background: #fafafc; }
.empty { text-align: center; color: var(--muted); padding: 30px; }

/* 徽章 */
.badge { display: inline-block; padding: 1px 8px; border-radius: 20px; font-size: 12px; background: #eee; color: #555; white-space: nowrap; }
.badge-green { background: #e3f9e9; color: #1f9d48; }
.badge-red { background: #ffe5e3; color: #d70015; }
.badge-orange { background: #fff1dc; color: #c76b00; }
.badge-gray { background: #f0f0f3; color: #6e6e73; }
.badge-blue { background: #e1efff; color: #0060df; }

/* 表单 */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px 18px; }
.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13px; color: #444; font-weight: 500; }
.form-group .hint { font-size: 12px; color: var(--muted); }
.req { color: var(--danger); }
input[type=text], input[type=password], input[type=number], input[type=date], input[type=email], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #d2d2d7; border-radius: 8px; font-size: 14px; background: #fff; font-family: inherit;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(10,132,255,.15); }
textarea { min-height: 80px; resize: vertical; }
.form-actions { margin-top: 18px; display: flex; gap: 10px; }
.checkbox { display: flex; align-items: center; gap: 6px; font-size: 14px; }

/* 筛选栏 */
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 14px; }
.filters input, .filters select { width: auto; min-width: 140px; }

/* 提示 */
.alert { padding: 10px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert-success { background: #e3f9e9; color: #1a7f3c; }
.alert-error { background: #ffe5e3; color: #c4000f; }
.alert-info { background: #e1efff; color: #0050c0; }

/* 详情 */
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 10px 20px; }
.kv div { padding: 6px 0; border-bottom: 1px dashed var(--border); }
.kv b { color: var(--muted); font-weight: 400; display: inline-block; min-width: 80px; }
.secret { cursor: pointer; font-family: monospace; }
.copy { cursor: pointer; color: var(--primary); font-size: 12px; margin-left: 6px; }

/* 登录 */
.login-box { max-width: 360px; margin: 12vh auto; background: #fff; padding: 30px; border-radius: 14px; box-shadow: 0 4px 24px rgba(0,0,0,.08); }
.login-box h1 { text-align: center; font-size: 20px; margin: 0 0 20px; }
.login-box .form-group { margin-bottom: 14px; }
.login-box .btn { width: 100%; padding: 10px; }

@media (max-width: 640px) {
  .page-head h1 { font-size: 19px; }
  .filters input, .filters select { min-width: 0; flex: 1 1 45%; }
  .stat .value { font-size: 20px; }
}