/* SPT-OMS Admin 通用样式 */
:root {
  --primary: #409eff;
  --primary-light: #66b1ff;
  --primary-dark: #3a8ee6;
  --success: #67c23a;
  --warning: #e6a23c;
  --danger: #f56c6c;
  --info: #909399;
  --bg: #f5f7fa;
  --card-bg: #fff;
  --text-primary: #303133;
  --text-regular: #606266;
  --text-secondary: #909399;
  --border: #dcdfe6;
  --border-light: #e4e7ed;
  --sidebar-width: 220px;
  --header-height: 60px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
}

/* 登录页 */
.login-page {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}
.login-card {
  background: #fff;
  border-radius: 12px;
  padding: 40px;
  width: 400px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.login-card h1 {
  text-align: center;
  margin-bottom: 8px;
  font-size: 22px;
}
.login-card .sub {
  text-align: center;
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 30px;
}
.form-group { margin-bottom: 20px; }
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-regular);
  font-weight: 500;
}
.form-group input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color .2s;
}
.form-group input:focus { border-color: var(--primary); }
.form-error { color: var(--danger); font-size: 13px; margin-bottom: 12px; display: none; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  font-size: 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-regular);
  cursor: pointer;
  transition: all .2s;
  text-decoration: none;
  gap: 6px;
}
.btn:hover { border-color: var(--primary); color: var(--primary); }
.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-danger { background: var(--danger); color: #fff; border-color: var(--danger); }
.btn-danger:hover { opacity: 0.85; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }

/* 布局 */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: #304156;
  color: #fff;
  overflow-y: auto;
  z-index: 100;
}
.sidebar-logo {
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sidebar-menu { padding: 10px 0; }
.sidebar-item {
  display: flex;
  align-items: center;
  padding: 13px 20px;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  transition: all .2s;
  cursor: pointer;
  gap: 10px;
}
.sidebar-item:hover { color: #fff; background: rgba(255,255,255,0.05); }
.sidebar-item.active { color: #fff; background: var(--primary); }

.main-area {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}
.header {
  height: var(--header-height);
  background: var(--card-bg);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-title { font-size: 16px; font-weight: 600; }
.header-user { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-regular); }
.content { padding: 24px; }

/* 卡片 */
.card {
  background: var(--card-bg);
  border-radius: 8px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
  margin-bottom: 20px;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-body { padding: 20px; }

/* 表格 */
table { width: 100%; border-collapse: collapse; }
th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  font-size: 14px;
}
th { background: #fafafa; color: var(--text-regular); font-weight: 600; }
tr:hover td { background: #f5f7fa; }

/* 分页 */
.pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  font-size: 14px;
  color: var(--text-secondary);
}
.pagination .page-btns { display: flex; gap: 4px; }
.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 4px;
  cursor: pointer;
  background: #fff;
  font-size: 13px;
}
.page-btn:hover { border-color: var(--primary); color: var(--primary); }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.page-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* 搜索栏 */
.search-bar {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
  align-items: flex-end;
}
.search-bar select, .search-bar input {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  outline: none;
}
.search-bar select:focus, .search-bar input:focus { border-color: var(--primary); }

/* 标签 */
.tag {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 12px;
}
.tag-success { background: #f0f9eb; color: #67c23a; }
.tag-warning { background: #fdf6ec; color: #e6a23c; }
.tag-danger { background: #fef0f0; color: #f56c6c; }
.tag-info { background: #f4f4f5; color: #909399; }
.tag-primary { background: #ecf5ff; color: #409eff; }

/* 弹窗 */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 999;
  justify-content: center;
  align-items: center;
}
.modal-overlay.show { display: flex; }
.modal {
  background: #fff;
  border-radius: 12px;
  width: 600px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 16px;
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--text-secondary);
}
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* 表单行 */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.form-row.three-col { grid-template-columns: 1fr 1fr 1fr; }

/* 空状态 */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.empty-state .icon { font-size: 48px; margin-bottom: 12px; }

/* Toast */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  padding: 12px 20px;
  border-radius: 6px;
  font-size: 14px;
  color: #fff;
  transform: translateX(120%);
  transition: transform .3s;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.toast.show { transform: translateX(0); }
.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-warning { background: var(--warning); }