* { box-sizing: border-box; }
body {
  margin: 0; background: #0f1216; color: #d7dde5;
  font: 14px/1.6 -apple-system, "Segoe UI", "Microsoft YaHei", Arial, sans-serif;
}
.hidden { display: none !important; }
h1, h2, h3 { margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 18px; padding-bottom: 8px; border-bottom: 1px solid #1e252e; }
h3 { font-size: 15px; color: #a9b6c4; }
a { color: #4a9eff; cursor: pointer; text-decoration: none; }
code { background: #1a2029; padding: 1px 5px; border-radius: 4px; font-size: 12px; }

/* 登录 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.login-card { width: 340px; background: #151a21; border: 1px solid #222b36; border-radius: 10px; padding: 26px; }
.login-card h1 { font-size: 19px; }
.login-card .sub { color: #6f7d8c; font-size: 12px; margin: 0 0 18px; }
.login-card label { display: block; margin-bottom: 12px; color: #8d9aa8; font-size: 12px; }
.login-card input { width: 100%; margin-top: 5px; padding: 9px 10px; background: #0f1319; border: 1px solid #263040; border-radius: 6px; color: #e6ecf3; }
.err { color: #ff6b6b; font-size: 12px; min-height: 18px; margin-top: 8px; }

/* 布局 */
.app { display: flex; min-height: 100vh; }
.side { width: 176px; background: #12161c; border-right: 1px solid #1e252e; padding: 16px 0; display: flex; flex-direction: column; }
.brand { padding: 0 16px 16px; color: #4a9eff; font-weight: 600; letter-spacing: .5px; }
.side nav { flex: 1; }
.side nav a { display: block; padding: 9px 16px; color: #98a5b3; font-size: 13px; border-left: 2px solid transparent; }
.side nav a:hover { background: #171d25; color: #d7dde5; }
.side nav a.on { background: #17202b; color: #4a9eff; border-left-color: #4a9eff; }
.side-foot { padding: 12px 16px; font-size: 12px; color: #6f7d8c; display: flex; justify-content: space-between; }
.main { flex: 1; padding: 22px 26px 60px; overflow: auto; }
.tab { display: none; }
.tab.on { display: block; }

/* 组件 */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { background: #151a21; border: 1px solid #222b36; border-radius: 8px; padding: 12px 14px; }
.card .n { font-size: 22px; font-weight: 600; color: #e6ecf3; }
.card .l { font-size: 12px; color: #7d8b9a; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.panel { background: #151a21; border: 1px solid #222b36; border-radius: 8px; padding: 14px 16px; margin-bottom: 14px; }
.kv { font-size: 13px; color: #a9b6c4; }
.kv b { color: #d7dde5; font-weight: 500; }
.btns { display: flex; gap: 8px; align-items: center; margin: 10px 0; flex-wrap: wrap; }
.btns.right { justify-content: flex-end; }
button {
  background: #1d2530; color: #cdd7e1; border: 1px solid #2b3644; border-radius: 6px;
  padding: 7px 13px; font-size: 13px; cursor: pointer;
}
button:hover { background: #243040; }
button.primary { background: #1e5fa8; border-color: #2a72c4; color: #fff; }
button.primary:hover { background: #236fbf; }
button.danger { color: #ff8080; border-color: #43272b; }
input, select, textarea {
  background: #0f1319; border: 1px solid #263040; border-radius: 6px;
  color: #e6ecf3; padding: 7px 9px; font-size: 13px; font-family: inherit;
}
input.mini { width: 160px; }
.form { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px 14px; }
.form label { font-size: 12px; color: #8d9aa8; display: block; }
.form label input, .form label select { width: 100%; margin-top: 5px; }

.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th { text-align: left; padding: 8px 8px; color: #7d8b9a; font-weight: 500; font-size: 12px; border-bottom: 1px solid #222b36; white-space: nowrap; }
.tbl td { padding: 8px 8px; border-bottom: 1px solid #1a212a; vertical-align: top; }
.tbl tr:hover td { background: #171d25; }
.tag { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; border: 1px solid #2b3644; color: #98a5b3; }
.tag.ok { color: #4fd18b; border-color: #24513a; }
.tag.warn { color: #ffc65c; border-color: #4d3d1d; }
.tag.bad { color: #ff8080; border-color: #4a282c; }
.tag.info { color: #6cb2ff; border-color: #24405f; }
.tip { color: #6f7d8c; font-size: 12px; }
.ell { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* 弹窗 */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-card { width: 560px; max-height: 84vh; overflow: auto; background: #151a21; border: 1px solid #263040; border-radius: 10px; padding: 18px 20px; }
.modal-card .form { grid-template-columns: 1fr 1fr; }
.chk-list { max-height: 260px; overflow: auto; border: 1px solid #222b36; border-radius: 6px; padding: 8px; }
.chk-list label { display: flex; gap: 8px; align-items: center; padding: 4px 2px; font-size: 13px; color: #b7c3d0; }