/* 带货引擎 - 全局样式 */
:root {
  --primary: #1976d2;
  --primary-dark: #1565c0;
  --success: #43a047;
  --warning: #f57c00;
  --danger: #d32f2f;
  --bg: #f5f6fa;
  --card-bg: #ffffff;
  --text: #1a1a2e;
  --text-light: #666;
  --border: #e0e0e0;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
}
* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif; background:var(--bg); color:var(--text); }
a { color:var(--primary); text-decoration:none; }
button { cursor:pointer; border:none; border-radius:8px; padding:10px 20px; font-size:14px; transition:all .2s; }
.btn-primary { background:var(--primary); color:#fff; }
.btn-primary:hover { background:var(--primary-dark); }
.btn-primary:disabled { background:#bbb; cursor:not-allowed; }
.btn-success { background:var(--success); color:#fff; }
.btn-outline { background:transparent; border:1px solid var(--border); color:var(--text); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); }
.btn-danger { background:var(--danger); color:#fff; }
.btn-sm { padding:6px 12px; font-size:12px; }
.card { background:var(--card-bg); border-radius:var(--radius); padding:24px; margin-bottom:16px; box-shadow:var(--shadow); }
input, textarea, select { width:100%; padding:10px 14px; border:1px solid var(--border); border-radius:8px; font-size:14px; outline:none; transition:border .2s; }
input:focus, textarea:focus { border-color:var(--primary); }
textarea { resize:vertical; min-height:120px; font-family:inherit; }
label { display:block; margin-bottom:6px; font-size:14px; font-weight:500; color:var(--text); }
.form-group { margin-bottom:16px; }
.row { display:flex; gap:16px; }
.row > * { flex:1; }

/* 顶部导航 */
.navbar { background:#fff; padding:0 24px; height:60px; display:flex; align-items:center; justify-content:space-between; box-shadow:0 1px 4px rgba(0,0,0,.06); position:sticky; top:0; z-index:100; }
.navbar .logo { font-size:20px; font-weight:bold; color:var(--primary); }
.navbar .nav-links { display:flex; gap:24px; align-items:center; }
.navbar .nav-links a { color:var(--text); font-size:14px; }
.navbar .nav-links a:hover, .navbar .nav-links a.active { color:var(--primary); }
.navbar .user-info { display:flex; align-items:center; gap:12px; font-size:14px; }

/* 布局 */
.container { max-width:960px; margin:0 auto; padding:24px; }
.page-title { font-size:24px; font-weight:bold; margin-bottom:20px; }

/* Toast */
.toast { position:fixed; top:80px; left:50%; transform:translateX(-50%); background:#333; color:#fff; padding:12px 24px; border-radius:8px; z-index:9999; display:none; font-size:14px; }
.toast.show { display:block; }
.toast.error { background:var(--danger); }
.toast.success { background:var(--success); }

/* Loading */
.loading-overlay { position:fixed; top:0; left:0; right:0; bottom:0; background:rgba(255,255,255,.8); display:none; align-items:center; justify-content:center; z-index:9998; flex-direction:column; gap:16px; }
.loading-overlay.show { display:flex; }
.spinner { width:48px; height:48px; border:4px solid var(--border); border-top-color:var(--primary); border-radius:50%; animation:spin 1s linear infinite; }
@keyframes spin { to { transform:rotate(360deg); } }

/* 结果展示 */
.result-area { background:#fafafa; border-radius:8px; padding:20px; margin-top:16px; line-height:1.8; font-size:15px; }
.result-area h1, .result-area h2, .result-area h3 { margin:16px 0 8px; }
.result-area table { width:100%; border-collapse:collapse; margin:12px 0; }
.result-area th, .result-area td { border:1px solid var(--border); padding:8px 12px; text-align:left; font-size:14px; }
.result-area th { background:#f0f0f0; }
.result-area pre { background:#f5f5f5; padding:12px; border-radius:6px; overflow-x:auto; }
.result-area code { background:#f5f5f5; padding:2px 6px; border-radius:4px; font-size:13px; }

/* 统计卡片 */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:#fff; border-radius:var(--radius); padding:20px; text-align:center; box-shadow:var(--shadow); }
.stat-card .num { font-size:32px; font-weight:bold; color:var(--primary); }
.stat-card .label { font-size:14px; color:var(--text-light); margin-top:4px; }

/* 列表 */
.list-item { background:#fff; border-radius:8px; padding:16px 20px; margin-bottom:12px; box-shadow:var(--shadow); display:flex; justify-content:space-between; align-items:center; transition:transform .2s; }
.list-item:hover { transform:translateX(4px); }
.list-item .info { flex:1; }
.list-item .title { font-weight:500; font-size:16px; margin-bottom:4px; }
.list-item .meta { font-size:13px; color:var(--text-light); }
.list-item .actions { display:flex; gap:8px; }

/* 标签 */
.badge { display:inline-block; padding:2px 8px; border-radius:4px; font-size:12px; font-weight:500; }
.badge-primary { background:#e3f2fd; color:var(--primary); }
.badge-success { background:#e8f5e9; color:var(--success); }
.badge-warning { background:#fff3e0; color:var(--warning); }

/* 空状态 */
.empty { text-align:center; padding:60px 20px; color:var(--text-light); }
.empty .icon { font-size:48px; margin-bottom:16px; }