/* 医药电商管理后台 · Material 视觉规格（参照 material-design-ui/project 的色板与组件样式，重构为可复用类） */
:root {
  --primary: #2A5CDB;
  --primary-hover: #1E4BC4;
  --primary-container: #DCE3FF;
  --on-primary-container: #001742;
  --bg: #F6F5FB;
  --surface: #FFFFFF;
  --surface-header: #FBF9FF;
  --nav-bg: #F3F2FA;
  --border: #E2E1E9;
  --text: #1A1B21;
  --text-secondary: #6B6D77;
  --text-tertiary: #45464F;
  --success-bg: #C3F2D3; --success-fg: #0B6B3A;
  --warning-bg: #FFE0B2; --warning-fg: #8A5000;
  --danger-bg: #FFDAD6; --danger-fg: #BA1A1A;
  --neutral-bg: #E2E2E9; --neutral-fg: #45464F;
  --shadow: 0 1px 2px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.08);
  --radius-card: 16px;
  --font: 'Roboto', 'Noto Sans SC', -apple-system, 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); background: var(--bg); color: var(--text); font-size: 13px; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

.material-symbols-outlined {
  font-family: 'Material Symbols Outlined';
  font-weight: normal; font-style: normal; line-height: 1;
  letter-spacing: normal; text-transform: none; white-space: nowrap;
  word-wrap: normal; direction: ltr; -webkit-font-feature-settings: 'liga'; font-feature-settings: 'liga';
}

/* ===== 应用骨架 ===== */
.app-shell { display: flex; min-height: 100vh; }
.nav-drawer {
  width: 260px; flex-shrink: 0; background: var(--nav-bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; overflow-y: auto; height: 100vh; position: sticky; top: 0;
}
.app-main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* ===== 导航抽屉 ===== */
.nav-brand {
  height: 64px; flex-shrink: 0; display: flex; align-items: center; gap: 12px; padding: 0 20px;
  border-bottom: 1px solid var(--border); text-decoration: none;
}
.nav-brand:hover { text-decoration: none; }
.nav-brand .logo {
  width: 36px; height: 36px; border-radius: 10px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.nav-brand .logo .material-symbols-outlined { font-size: 21px; }
.nav-brand .title { font-size: 14px; font-weight: 700; color: var(--text); line-height: 1.25; }
.nav-list { flex: 1; padding: 8px 0 16px; }
.nav-group-title { padding: 16px 24px 6px; font-size: 12px; font-weight: 600; color: var(--text-secondary); letter-spacing: .2px; }
.nav-items { padding: 0 12px; display: flex; flex-direction: column; gap: 2px; }
.nav-item {
  display: flex; align-items: center; gap: 12px; height: 44px; margin: 0 4px; padding: 0 16px;
  border-radius: 22px; color: var(--text-tertiary); font-size: 13px; text-decoration: none;
}
.nav-item:hover { background: rgba(28,27,31,0.06); text-decoration: none; }
.nav-item .material-symbols-outlined { font-size: 20px; flex-shrink: 0; color: var(--text-secondary); }
.nav-item.active { background: var(--primary-container); color: var(--on-primary-container); font-weight: 500; }
.nav-item.active .material-symbols-outlined { color: var(--primary); }

/* ===== 顶栏 ===== */
.app-header {
  height: 64px; flex-shrink: 0; background: var(--surface-header); border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; padding: 0 28px; position: sticky; top: 0; z-index: 10;
}
.app-header .breadcrumb { font-size: 13px; color: var(--text-secondary); }
.app-header .breadcrumb b { color: var(--text); font-weight: 500; }
.header-right { display: flex; align-items: center; gap: 14px; }
.role-chip { background: var(--primary-container); color: var(--on-primary-container); font-size: 12px; font-weight: 500; padding: 5px 12px; border-radius: 8px; }
.header-user { display: flex; align-items: center; gap: 8px; }
.header-user .avatar {
  width: 30px; height: 30px; border-radius: 50%; background: var(--primary-container); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 600; flex-shrink: 0;
}
.btn-logout { background: none; border: none; cursor: pointer; color: var(--text-secondary); display: flex; align-items: center; gap: 4px; font-family: inherit; font-size: 12px; padding: 4px 6px; border-radius: 8px; }
.btn-logout:hover { background: rgba(28,27,31,0.06); color: var(--danger-fg); }

/* ===== 内容区 ===== */
.app-content { flex: 1; padding: 24px 28px 40px; }
.page-head { margin-bottom: 20px; }
.page-head h1 { font-size: 24px; font-weight: 500; margin: 0; }
.page-head .subtitle { font-size: 13px; color: var(--text-secondary); margin-top: 6px; }

.card { background: var(--surface); border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 20px; margin-bottom: 16px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.card-head h3 { font-size: 15px; font-weight: 600; margin: 0; }
.card-desc { font-size: 13px; color: var(--text-tertiary); margin: 0 0 16px; }

/* ===== 统计卡 ===== */
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 16px; }
.stat-card { background: var(--surface); border-radius: var(--radius-card); box-shadow: var(--shadow); padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; }
.stat-card .stat-top { display: flex; align-items: center; justify-content: space-between; }
.stat-card .stat-label { font-size: 13px; color: var(--text-secondary); white-space: nowrap; }
.stat-card .stat-icon { width: 32px; height: 32px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; background: var(--primary-container); color: var(--primary); }
.stat-card .stat-icon .material-symbols-outlined { font-size: 18px; }
.stat-card .stat-icon.warn { background: var(--warning-bg); color: var(--warning-fg); }
.stat-card .stat-icon.danger { background: var(--danger-bg); color: var(--danger-fg); }
.stat-card .stat-icon.success { background: var(--success-bg); color: var(--success-fg); }
.stat-card .stat-value { font-size: 28px; font-weight: 700; }
.stat-card .stat-foot { font-size: 12px; color: var(--text-secondary); }
.stat-card .stat-foot.up { color: var(--success-fg); }
.stat-card .stat-foot.warn { color: var(--warning-fg); }

/* ===== 表格 ===== */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; padding: 10px 12px; color: var(--text-secondary); font-weight: 500; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.data td { padding: 12px; border-bottom: 1px solid var(--border); color: var(--text); vertical-align: middle; }
table.data tr:last-child td { border-bottom: none; }
table.data .muted { color: var(--text-secondary); font-size: 12px; }
.actions { display: flex; gap: 12px; flex-wrap: wrap; }
.actions a, .actions button { font-size: 13px; font-weight: 500; }
.link-btn { background: none; border: none; padding: 0; cursor: pointer; color: var(--primary); font-family: inherit; }
.link-btn.danger { color: var(--danger-fg); }
.empty { text-align: center; color: var(--text-secondary); padding: 40px 0; }

/* ===== 徽章 ===== */
.badge { display: inline-flex; padding: 3px 10px; border-radius: 8px; font-size: 12px; font-weight: 500; white-space: nowrap; }
.badge.primary { background: var(--primary-container); color: var(--on-primary-container); }
.badge.success { background: var(--success-bg); color: var(--success-fg); }
.badge.warn { background: var(--warning-bg); color: var(--warning-fg); }
.badge.danger { background: var(--danger-bg); color: var(--danger-fg); }
.badge.neutral { background: var(--neutral-bg); color: var(--neutral-fg); }

/* ===== 按钮 ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 36px; padding: 0 18px; border-radius: 18px; border: none; background: var(--primary); color: #fff; font-size: 13px; font-weight: 500; cursor: pointer; font-family: inherit; }
.btn:hover { background: var(--primary-hover); text-decoration: none; color: #fff; }
.btn.outline { background: transparent; color: var(--text); border: 1px solid #767680; }
.btn.outline:hover { background: rgba(28,27,31,0.06); color: var(--text); }
.btn.sm { height: 32px; padding: 0 14px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ===== 表单 ===== */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 12px; font-weight: 500; color: var(--text-tertiary); }
.field .req { color: var(--danger-fg); }
.field input[type=text], .field input[type=password], .field input[type=number], .field input[type=email], .field input[type=datetime-local], .field select, .field textarea {
  height: 44px; border: 1px solid #C6C6D0; border-radius: 8px; padding: 0 14px; font-size: 14px; color: var(--text); outline: none; font-family: inherit; background: #fff; width: 100%;
}
.field textarea { height: auto; padding: 12px 14px; min-height: 72px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border: 2px solid var(--primary); padding: 0 13px; }
.field textarea:focus { padding: 11px 13px; }
.field .hint { font-size: 12px; color: var(--text-secondary); }
.form-actions { display: flex; justify-content: flex-end; gap: 12px; padding-top: 12px; }

/* 复选框组（角色权限矩阵 / 角色分配） */
.check-row { display: flex; align-items: center; gap: 8px; cursor: pointer; }
.check-row input { width: 16px; height: 16px; accent-color: var(--primary); margin: 0; }

/* ===== 筛选栏 ===== */
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 16px; }
.filter-bar .field { margin-bottom: 0; }
.filter-bar input, .filter-bar select { min-width: 160px; }

/* ===== 提示条 ===== */
.alert { padding: 12px 16px; border-radius: 10px; font-size: 13px; margin-bottom: 16px; }
.alert.success { background: var(--success-bg); color: var(--success-fg); }
.alert.error { background: var(--danger-bg); color: var(--danger-fg); }

/* ===== 分页 ===== */
.pager { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 16px; font-size: 13px; color: var(--text-secondary); }
.pager a, .pager span.current { display: inline-flex; align-items: center; justify-content: center; min-width: 32px; height: 32px; padding: 0 8px; border-radius: 8px; border: 1px solid var(--border); background: #fff; }
.pager span.current { background: var(--primary); color: #fff; border-color: var(--primary); }
.pager a:hover { background: rgba(28,27,31,0.06); text-decoration: none; }
.pager .disabled { opacity: .4; pointer-events: none; }

/* 角色权限：左右布局 */
.role-layout { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.role-side { width: 220px; flex-shrink: 0; display: flex; flex-direction: column; gap: 2px; }
.role-tab { padding: 10px 14px; border-radius: 10px; cursor: pointer; font-size: 13px; color: var(--text); text-decoration: none; display: block; }
.role-tab:hover { background: rgba(28,27,31,0.06); text-decoration: none; color: var(--text); }
.role-tab.active { background: var(--primary-container); color: var(--on-primary-container); font-weight: 500; }
.role-perm { flex: 1; min-width: 320px; }
.perm-module { padding: 10px 0; }
.perm-module > label { display: flex; align-items: center; gap: 8px; font-weight: 600; cursor: pointer; }
.perm-children { padding-left: 26px; display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 8px; }

@media (max-width: 900px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: 1fr; }
  .nav-drawer { display: none; }
}