* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif; background: #f5f6f8; color: #222; }
#app { display: flex; min-height: 100vh; }

/* 侧边栏 */
.sidebar { width: 220px; background: #1f2733; color: #cfd6e0; display: flex; flex-direction: column; }
.brand { padding: 22px 20px; font-size: 18px; font-weight: 700; color: #fff; border-bottom: 1px solid #2c3645; }
.nav { flex: 1; padding: 12px 0; }
.nav a { display: block; padding: 12px 22px; color: #cfd6e0; text-decoration: none; font-size: 14px; }
.nav a:hover { background: #2a3543; color: #fff; }
.nav a.active { background: #2f6fed; color: #fff; }
.side-foot { padding: 16px 20px; border-top: 1px solid #2c3645; }
.link-btn { background: none; border: none; color: #9aa6b5; cursor: pointer; font-size: 13px; }
.link-btn:hover { color: #fff; }

/* 主区 */
.main { flex: 1; display: flex; flex-direction: column; }
.topbar { height: 56px; background: #fff; border-bottom: 1px solid #e8eaed; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; font-size: 16px; font-weight: 600; }
.topbar .who { font-size: 12px; color: #999; font-weight: 400; }
.content { padding: 24px; flex: 1; }

/* 卡片/统计 */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 16px; margin-bottom: 24px; }
.card { background: #fff; border: 1px solid #e8eaed; border-radius: 8px; padding: 18px; }
.card .num { font-size: 26px; font-weight: 700; color: #2f6fed; }
.card .label { font-size: 13px; color: #888; margin-top: 6px; }

/* 表格 */
table { width: 100%; background: #fff; border-collapse: collapse; border-radius: 8px; overflow: hidden; }
th, td { padding: 12px 14px; text-align: left; font-size: 13px; border-bottom: 1px solid #f0f1f3; }
th { background: #fafbfc; color: #666; font-weight: 600; }
tr:hover td { background: #fafcff; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; background: #eef3ff; color: #2f6fed; }
.tag.green { background: #e8f8ef; color: #1a9d5a; }
.tag.gray { background: #f0f1f3; color: #888; }
.tag.red { background: #fdeaea; color: #d4453a; }

/* 按钮/表单 */
.btn { padding: 8px 16px; border: none; border-radius: 6px; background: #2f6fed; color: #fff; cursor: pointer; font-size: 13px; }
.btn:hover { background: #235bd0; }
.btn.ghost { background: #fff; border: 1px solid #d0d4da; color: #444; }
.btn.danger { background: #d4453a; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: #555; margin-bottom: 6px; }
.field input, .field textarea, .field select { width: 100%; padding: 9px 10px; border: 1px solid #d6dae0; border-radius: 6px; font-size: 13px; font-family: inherit; }
.field textarea { min-height: 64px; }
.panel { background: #fff; border: 1px solid #e8eaed; border-radius: 8px; padding: 20px; margin-bottom: 20px; }
.panel h3 { font-size: 15px; margin-bottom: 16px; }
.msg { padding: 10px 14px; border-radius: 6px; font-size: 13px; margin-bottom: 14px; }
.msg.ok { background: #e8f8ef; color: #1a9d5a; }
.msg.err { background: #fdeaea; color: #d4453a; }
.empty { color: #999; font-size: 13px; padding: 30px; text-align: center; }

/* 登录页 */
.login-wrap { max-width: 360px; margin: 12vh auto; background: #fff; border: 1px solid #e8eaed; border-radius: 10px; padding: 30px; }
.login-wrap h2 { font-size: 18px; margin-bottom: 20px; text-align: center; }
.pager { margin-top: 14px; display: flex; gap: 10px; align-items: center; font-size: 13px; color: #888; }

/* 提现管理：状态筛选 tabs */
.wd-tabs { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.wdtab { padding: 6px 14px; border-radius: 6px; background: #f0f1f3; color: #666; font-size: 13px; cursor: pointer; }
.wdtab:hover { background: #e6e8eb; }
.wdtab.on { background: #2f6fed; color: #fff; }
.muted { color: #bbb; font-size: 12px; }