:root {
  --primary: #06a7ff;
  --primary-dark: #0591db;
  --bg: #f5f7fa;
  --card: #ffffff;
  --text: #1f2329;
  --text-2: #646a73;
  --border: #e5e6eb;
  --success: #00b42a;
  --danger: #e64545;
  --btn-dark: #1f2329;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  min-height: 100vh;
}

/* 左侧边栏布局 */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand { font-weight: 700; font-size: 16px; color: var(--primary); padding: 0 12px 20px; }
.sidebar .menu { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar .menu a {
  display: block; color: var(--text-2); text-decoration: none; padding: 10px 12px;
  border-radius: 8px; font-size: 14px; transition: background .15s, color .15s;
}
.sidebar .menu a:hover { background: #f2f3f5; color: var(--text); }
.sidebar .menu a.active { color: var(--primary); background: rgba(6,167,255,.08); }
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 12px 4px 0;
  display: flex; align-items: center; justify-content: space-between;
}
.sidebar-footer .user { color: var(--text-2); font-size: 13px; }
.sidebar-footer a { color: var(--text-2); font-size: 13px; text-decoration: none; }
.sidebar-footer a:hover { color: var(--primary); }

.main { flex: 1; min-width: 0; }

/* 布局 */
.page { max-width: 1080px; margin: 24px auto; padding: 0 20px; }
h1.page-title { font-size: 20px; margin-bottom: 16px; }

/* 卡片 */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px; margin-bottom: 16px;
}
.card h2 { font-size: 15px; margin-bottom: 16px; }

/* 统计卡片组 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.stat-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.stat-card .label { color: var(--text-2); font-size: 13px; margin-bottom: 8px; }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--text); }

/* 按钮 */
.btn {
  display: inline-block; border: none; border-radius: 8px; cursor: pointer;
  padding: 9px 16px; font-size: 14px; text-decoration: none; line-height: 1;
  transition: background .15s, opacity .15s; font-family: inherit;
}
.btn-primary { background: var(--btn-dark); color: #fff; }
.btn-primary:hover { opacity: .88; }
.btn-blue { background: var(--primary); color: #fff; }
.btn-blue:hover { background: var(--primary-dark); }
.btn-outline { background: #fff; color: var(--text); border: 1px solid var(--border); }
.btn-outline:hover { background: #f2f3f5; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: .88; }
.btn-sm { padding: 6px 10px; font-size: 13px; border-radius: 6px; }

/* 表单 */
.form-row { margin-bottom: 16px; }
.form-row label { display: block; margin-bottom: 6px; color: var(--text-2); font-size: 13px; }
.form-row input[type=text], .form-row input[type=url], .form-row input[type=password], .form-row textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  font-size: 14px; background: #fff; color: var(--text); font-family: inherit;
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--primary); }
.form-row .hint { color: var(--text-2); font-size: 12px; margin-top: 4px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; word-break: break-all; }
th { color: var(--text-2); font-weight: 500; font-size: 13px; background: #fafbfc; }
tr:hover td { background: #fafbfc; }
td .actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* 状态徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-size: 12px; }
.badge-on { background: rgba(0,180,42,.12); color: var(--success); }
.badge-off { background: rgba(230,69,69,.12); color: var(--danger); }

/* 提示 */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert-success { background: rgba(0,180,42,.08); color: var(--success); border: 1px solid rgba(0,180,42,.2); }
.alert-error { background: rgba(230,69,69,.08); color: var(--danger); border: 1px solid rgba(230,69,69,.2); }
.alert-info { background: rgba(6,167,255,.08); color: var(--primary); border: 1px solid rgba(6,167,255,.2); }

/* 分页 */
.pagination { display: flex; gap: 6px; margin-top: 16px; align-items: center; }
.pagination a, .pagination span {
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border);
  color: var(--text); text-decoration: none; font-size: 13px;
}
.pagination .current { background: var(--btn-dark); color: #fff; border-color: var(--btn-dark); }

/* 登录页专属 */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.login-card { width: 100%; max-width: 380px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.login-card h1 { font-size: 20px; color: var(--primary); text-align: center; margin-bottom: 24px; }

/* 其它 */
.muted { color: var(--text-2); font-size: 12px; }
.inline-code { font-family: Consolas, monospace; background: #f2f3f5; padding: 1px 6px; border-radius: 4px; font-size: 12px; }
.result-box { background: rgba(0,180,42,.06); border: 1px dashed #b5e6c3; border-radius: 8px; padding: 14px; margin-top: 12px; }
.copy-cursor { cursor: pointer; }