/* ===== 盼之代售监控 - 白色简约主题 ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #f5f7fa;
  --card: #ffffff;
  --fg: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #eff6ff;
  --success: #22c55e;
  --success-light: #f0fdf4;
  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --danger: #ef4444;
  --danger-light: #fef2f2;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.06);
}
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: var(--bg); color: var(--fg); font-size: 14px; line-height: 1.6; }

/* ===== 导航 ===== */
.topnav { background: var(--card); border-bottom: 1px solid var(--border); padding: 0 20px; height: 56px; display: flex; align-items: center; gap: 20px; position: sticky; top: 0; z-index: 100; }
.topnav-brand { font-weight: 600; font-size: 15px; color: var(--fg); white-space: nowrap; }
.topnav-links { display: flex; gap: 4px; }
.nav-link { padding: 8px 14px; color: var(--muted); text-decoration: none; font-size: 13px; border-radius: 6px; transition: 150ms; }
.nav-link:hover { background: var(--bg); color: var(--fg); }
.nav-link.active { background: var(--primary-light); color: var(--primary); font-weight: 500; }
.topnav-user { margin-left: auto; display: flex; align-items: center; gap: 12px; font-size: 13px; white-space: nowrap; }
.topnav-user a { color: var(--danger); text-decoration: none; }

/* ===== 布局 ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 20px; }

/* ===== 卡片 ===== */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); margin-bottom: 16px; }

/* ===== 状态栏 ===== */
.status-bar { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; flex-wrap: wrap; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--success); }
.status-text { font-size: 13px; color: var(--muted); }
.status-text strong { color: var(--fg); }

/* ===== 标签页 ===== */
.tabs { display: flex; gap: 0; margin-bottom: 16px; border-bottom: 2px solid var(--border); }
.tab { padding: 10px 20px; cursor: pointer; color: var(--muted); font-size: 14px; border-bottom: 2px solid transparent; transition: 150ms; margin-bottom: -2px; }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }

/* ===== 网格布局 ===== */
.monitor-grid { display: grid; grid-template-columns: 1fr 300px; gap: 16px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 14px; }
.form-label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; font-weight: 500; }
.form-input, .form-select, .form-textarea { width: 100%; padding: 9px 12px; background: var(--card); border: 1px solid var(--border); border-radius: 6px; color: var(--fg); font-size: 14px; font-family: inherit; transition: 150ms; }
.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px var(--primary-light); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tag-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.tag-chip { padding: 5px 12px; font-size: 12px; border: 1px solid var(--border); border-radius: 999px; cursor: pointer; transition: 150ms; color: var(--muted); background: var(--card); }
.tag-chip:hover { border-color: var(--primary); color: var(--primary); }
.tag-chip.selected { background: var(--primary-light); border-color: var(--primary); color: var(--primary); font-weight: 500; }

/* ===== 按钮 ===== */
.btn { padding: 9px 18px; font-size: 14px; border: 1px solid var(--border); border-radius: 6px; cursor: pointer; font-family: inherit; background: var(--card); color: var(--fg); transition: 150ms; }
.btn:hover { background: var(--bg); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); font-weight: 500; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { border-color: var(--danger); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-block { width: 100%; }

/* ===== 统计卡片 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.stat-card { padding: 16px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.stat-label { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.stat-value { font-size: 26px; font-weight: 700; color: var(--primary); }
.stat-value.muted { color: var(--fg); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; border-bottom: 2px solid var(--border); color: var(--muted); font-weight: 500; font-size: 12px; white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
tr:hover td { background: var(--bg); }

/* ===== 徽章 ===== */
.badge { display: inline-block; padding: 2px 10px; font-size: 11px; border-radius: 999px; font-weight: 500; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-fail { background: var(--danger-light); color: var(--danger); }
.badge-warn { background: var(--warning-light); color: var(--warning); }

/* ===== 摘要面板 ===== */
.summary-item { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.summary-item:last-child { border-bottom: none; }
.summary-label { color: var(--muted); }
.summary-value { color: var(--fg); font-weight: 500; }

/* ===== 提示框 ===== */
.alert { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 13px; }
.alert-info { background: var(--primary-light); color: var(--primary); border: 1px solid #bfdbfe; }
.alert-warn { background: var(--warning-light); color: var(--warning); border: 1px solid #fde68a; }
.alert-danger { background: var(--danger-light); color: var(--danger); border: 1px solid #fecaca; }
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #bbf7d0; }

/* ===== 区块标题 ===== */
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 14px; color: var(--fg); }
.section-subtitle { font-size: 12px; color: var(--muted); font-weight: 400; margin-left: 8px; }

/* ===== 登录/注册页 ===== */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.auth-card { max-width: 380px; width: 100%; background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 32px; box-shadow: 0 4px 12px rgba(0,0,0,0.05); }
.auth-title { text-align: center; font-size: 20px; font-weight: 600; margin-bottom: 6px; color: var(--fg); }
.auth-sub { text-align: center; font-size: 13px; color: var(--muted); margin-bottom: 24px; }
.auth-link { text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); }
.auth-link a { color: var(--primary); text-decoration: none; }

/* ===== 邮箱列表 ===== */
.email-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.email-item { display: flex; align-items: center; gap: 8px; padding: 8px 12px; background: var(--bg); border-radius: 6px; font-size: 13px; }
.email-item .email-text { flex: 1; }
.email-item .email-badge { font-size: 10px; padding: 2px 6px; border-radius: 4px; background: var(--primary-light); color: var(--primary); }
.email-item .btn { padding: 3px 10px; font-size: 12px; }

/* ===== 手机端适配 ===== */
@media (max-width: 768px) {
  .topnav { padding: 0 12px; gap: 8px; overflow-x: auto; }
  .topnav-brand { font-size: 14px; }
  .topnav-links { gap: 2px; }
  .nav-link { padding: 6px 10px; font-size: 12px; }
  .topnav-user { font-size: 12px; gap: 8px; }
  .topnav-user span:not(a) { max-width: 80px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .container { padding: 12px; }
  .monitor-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
  .stat-card { padding: 12px; }
  .stat-value { font-size: 22px; }
  .card { padding: 14px; }
  .form-row { grid-template-columns: 1fr; }
  .tabs { overflow-x: auto; }
  .tab { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
  table { font-size: 12px; }
  th, td { padding: 8px; }
  .auth-card { padding: 24px 20px; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .btn { width: 100%; }
  .btn-sm { width: auto; }
}

/* ===== 工具类 ===== */
.text-muted { color: var(--muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.text-primary { color: var(--primary); }
.text-center { text-align: center; }
.text-sm { font-size: 12px; }
.mt-2 { margin-top: 8px; } .mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; } .mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; }
.items-end { align-items: flex-end; }
.mono { font-family: "SF Mono", "Fira Code", monospace; }
.nowrap { white-space: nowrap; }