* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; background: #f0f2f5; color: #333; }

/* 登录 */
.login-wrap { display: flex; align-items: center; justify-content: center; height: 100vh; background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%); }
.login-box { background: #fff; padding: 40px; border-radius: 12px; width: 360px; text-align: center; box-shadow: 0 8px 32px rgba(0,0,0,.15); }
.login-box h1 { font-size: 28px; color: #11998e; margin-bottom: 4px; }
.login-box .subtitle { color: #999; margin-bottom: 24px; }
.login-box input { width: 100%; padding: 12px 16px; border: 1px solid #d9d9d9; border-radius: 8px; margin-bottom: 12px; font-size: 14px; }
.login-box input:focus { border-color: #11998e; outline: none; }
.login-box button { width: 100%; padding: 12px; background: #11998e; color: #fff; border: none; border-radius: 8px; font-size: 16px; cursor: pointer; }
.login-box button:disabled { background: #999; }

/* 布局 */
.layout { display: flex; height: 100vh; }
.sidebar { width: 220px; background: #0d1b2a; color: #fff; display: flex; flex-direction: column; }
.sidebar .logo { padding: 24px 20px; font-size: 20px; font-weight: 700; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar .merchant-info { padding: 12px 20px; color: rgba(255,255,255,.65); font-size: 14px; border-bottom: 1px solid rgba(255,255,255,.1); }
.sidebar nav { flex: 1; padding: 12px 0; }
.sidebar nav a { display: block; padding: 12px 20px; color: rgba(255,255,255,.65); cursor: pointer; transition: all .2s; }
.sidebar nav a:hover, .sidebar nav a.active { color: #fff; background: #11998e; }
.sidebar-footer { padding: 16px 20px; color: rgba(255,255,255,.5); cursor: pointer; border-top: 1px solid rgba(255,255,255,.1); }
.sidebar-footer:hover { color: #fff; }

.main { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.topbar { padding: 16px 24px; background: #fff; border-bottom: 1px solid #e8e8e8; }
.topbar h2 { font-size: 18px; }
.content { flex: 1; padding: 24px; overflow-y: auto; }

/* 统计 */
.stat-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.stat-card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.stat-label { color: #999; font-size: 14px; }
.stat-value { font-size: 24px; font-weight: 700; color: #11998e; margin-top: 8px; }

/* 工具栏 */
.toolbar { display: flex; gap: 12px; margin-bottom: 16px; align-items: center; }
.input { padding: 8px 12px; border: 1px solid #d9d9d9; border-radius: 6px; font-size: 14px; min-width: 160px; }
.input:focus { border-color: #11998e; outline: none; }

/* 按钮 */
.btn { padding: 8px 16px; border: 1px solid #d9d9d9; border-radius: 6px; background: #fff; cursor: pointer; font-size: 14px; }
.btn-primary { background: #11998e; color: #fff; border-color: #11998e; }
.btn-primary:hover { background: #0f8a7f; }
.btn-sm { padding: 4px 10px; font-size: 12px; border: 1px solid #d9d9d9; border-radius: 4px; background: #fff; cursor: pointer; margin-right: 4px; }
.btn-sm:hover { background: #f5f5f5; }
.btn-danger { color: #ff4d4f; border-color: #ff4d4f; }

/* 表格 */
.table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.table th { background: #fafafa; padding: 12px 16px; text-align: left; font-weight: 600; font-size: 14px; border-bottom: 1px solid #e8e8e8; }
.table td { padding: 12px 16px; border-bottom: 1px solid #f0f0f0; font-size: 14px; }
.mono { font-family: 'SF Mono', Consolas, monospace; font-size: 13px; }

/* Badge */
.badge { padding: 2px 8px; border-radius: 4px; font-size: 12px; display: inline-block; }
.badge-active { background: #f6ffed; color: #52c41a; }
.badge-disabled { background: #fff2f0; color: #ff4d4f; }
.badge-pending { background: #e6f7ff; color: #1677ff; }
.badge-paid { background: #f6ffed; color: #52c41a; }
.badge-failed { background: #fff2f0; color: #ff4d4f; }
.badge-closed { background: #f5f5f5; color: #999; }
.badge-refunding { background: #fff7e6; color: #faad14; }
.badge-refunded { background: #e6f7ff; color: #1677ff; }

/* 分页 */
.pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 16px; }
.pager button { padding: 6px 16px; border: 1px solid #d9d9d9; border-radius: 4px; background: #fff; cursor: pointer; }
.pager button:disabled { color: #999; cursor: not-allowed; }

/* 弹窗 */
.modal-mask { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal { background: #fff; padding: 24px; border-radius: 12px; width: 420px; max-height: 90vh; overflow-y: auto; }
.modal h3 { margin-bottom: 16px; }
.modal label { display: block; margin-top: 12px; color: #666; font-size: 14px; }
.modal input, .modal select { width: 100%; padding: 10px 12px; border: 1px solid #d9d9d9; border-radius: 6px; margin-top: 4px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }

/* 密钥卡片 */
.key-card { background: #fff; padding: 20px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.08); margin-bottom: 12px; }
.key-card h4 { font-size: 14px; color: #666; margin-bottom: 8px; }
.key-value code { background: #f5f5f5; padding: 8px 12px; border-radius: 6px; font-family: monospace; display: block; word-break: break-all; }

/* 文档 */
.doc-section { background: #fff; padding: 24px; border-radius: 8px; box-shadow: 0 1px 4px rgba(0,0,0,.08); }
.doc-section h3 { margin-bottom: 16px; }
.doc-section h4 { margin-top: 16px; color: #11998e; }
.doc-section p { line-height: 1.8; color: #666; }
.doc-section pre { background: #1e1e1e; color: #d4d4d4; padding: 16px; border-radius: 8px; overflow-x: auto; margin: 8px 0; font-size: 13px; line-height: 1.6; }
.doc-section code { background: #f5f5f5; padding: 2px 6px; border-radius: 4px; font-family: monospace; }

.empty { color: #999; text-align: center; padding: 20px; }