/* 后台管理样式 —— PC 端宽屏，独立于移动端 480px 限制 */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #10b981;
  --accent: #ea580c;
  --danger: #ef4444;
  --bg: #f8fafc;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-light: #475569;
  --border: #e2e8f0;
}

/* 内联 SVG 图标 */
.icon { width: 1em; height: 1em; flex: none; vertical-align: -0.125em; }

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

/* 顶部栏 */
.admin-header {
  background: var(--text);
  color: #fff;
  padding: 0.8rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.admin-header h1 { margin: 0; font-size: 1.1rem; font-weight: 600; }
.admin-header .back-link {
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.85rem;
  margin-left: 1rem;
}
.admin-header .back-link:hover { color: #fff; }
.admin-header .admin-info { font-size: 0.8rem; color: #94a3b8; }

/* Tab 导航 */
.tabs {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  gap: 0.5rem;
  position: sticky;
  top: 52px;
  z-index: 90;
}
.tab {
  padding: 0.9rem 1.2rem;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  color: var(--text-light);
  font-weight: 500;
  transition: all 0.15s;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.tab:hover { color: var(--primary); }
.tab.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* 主内容区 */
.admin-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* 卡片 */
.card {
  background: var(--card-bg);
  border-radius: 0.5rem;
  padding: 1.2rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.card-title {
  font-weight: 600;
  font-size: 1rem;
  margin: 0 0 0.8rem;
  color: var(--text);
}

/* 统计卡片网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.stat-card {
  background: var(--card-bg);
  border-radius: 0.5rem;
  padding: 1.2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
.stat-card .stat-val {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
}
.stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-top: 0.2rem;
}

/* 表格 */
.table-wrap {
  overflow-x: auto;
  background: var(--card-bg);
  border-radius: 0.5rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
th {
  background: #f8fafc;
  text-align: left;
  padding: 0.7rem 0.8rem;
  font-weight: 600;
  color: var(--text-light);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
td {
  padding: 0.65rem 0.8rem;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
tr:hover { background: #f8fafc; }
.table-actions { display: flex; gap: 0.4rem; }

/* 状态徽章 */
.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 0.8rem;
  font-size: 0.72rem;
  font-weight: 500;
}
.badge-draft { background: #f1f5f9; color: #64748b; }
.badge-sent { background: #dbeafe; color: #1e40af; }
.badge-won { background: #dcfce7; color: #166534; }
.badge-lost { background: #fee2e2; color: #991b1b; }

/* 按钮 */
.btn {
  padding: 0.4rem 0.8rem;
  border: none;
  border-radius: 0.35rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  transition: background 0.15s;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.72rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 表单 */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}
.form-group label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-light);
  margin-bottom: 0.25rem;
}
.form-control {
  width: 100%;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--border);
  border-radius: 0.35rem;
  font-size: 0.85rem;
}
.form-control:focus { outline: none; border-color: var(--primary); }

/* 省份配置块 */
.province-block {
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
  margin-bottom: 1rem;
}
.province-block h4 {
  margin: 0 0 0.8rem;
  color: var(--primary-dark);
  font-size: 0.95rem;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(30, 41, 59, 0.92);
  color: #fff;
  padding: 0.6rem 1.2rem;
  border-radius: 2rem;
  font-size: 0.85rem;
  z-index: 500;
  opacity: 0;
  transition: opacity 0.2s;
}
.toast.show { opacity: 1; }

/* 登录遮罩 */
.login-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.login-box {
  background: #fff;
  padding: 1.8rem;
  border-radius: 0.6rem;
  width: 320px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}
.login-box h2 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.login-box p { margin: 0 0 1rem; font-size: 0.82rem; color: var(--text-light); }
.login-box input {
  width: 100%;
  padding: 0.6rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  margin-bottom: 0.8rem;
  font-size: 0.9rem;
}
.login-box button {
  width: 100%;
  padding: 0.6rem;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 0.4rem;
  cursor: pointer;
  font-size: 0.9rem;
}

.empty { text-align: center; padding: 2rem; color: var(--text-light); }
.loading { text-align: center; padding: 2rem; color: var(--text-light); }