/* ==========================================================================
   喜茶GO (HEYTEA GO) 极简现代设计系统规范
   理念: 禅意、灵感、极简克制、现代艺术画册排版、呼吸感大留白
   ========================================================================== */

:root {
  /* 喜茶经典黑白与极简中性色 */
  --ht-black: #111111;
  --ht-black-hover: #262626;
  --ht-charcoal: #333333;
  --ht-gray-dark: #555555;
  --ht-gray: #777777;
  --ht-gray-light: #999999;
  --ht-border: #e8e6e1;
  --ht-border-light: #f2efe9;
  
  /* 喜茶自然茶饮柔和底色 */
  --ht-bg: #f7f6f3;
  --ht-card-bg: #ffffff;
  --ht-oat: #f3efe6;
  --ht-oat-light: #faf8f5;
  --ht-cream: #fbfbfa;
  --ht-tea-gold: #bfa15f;
  --ht-tea-gold-light: #f9f6ee;
  
  /* 喜茶低饱和高级果香预警色 */
  --ht-red: #c84135;
  --ht-red-bg: #fdf2f1;
  --ht-red-border: #f7d2cf;
  
  --ht-amber: #d27c24;
  --ht-amber-bg: #fdf6ec;
  --ht-amber-border: #f8e1c6;
  
  --ht-green: #2a7a4c;
  --ht-green-bg: #f0f7f3;
  --ht-green-border: #cbe6d4;

  /* 喜茶圆角与阴影规范：微圆角与极简胶囊药丸 */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  --shadow-subtle: 0 2px 8px rgba(0, 0, 0, 0.03);
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
  --shadow-float: 0 12px 32px rgba(0, 0, 0, 0.07);

  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
  --font-serif: "Songti SC", "Noto Serif CJK SC", "SimSun", serif;
  --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: var(--ht-bg);
  color: var(--ht-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  letter-spacing: -0.01em;
}

/* 布局外框 */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
  background-color: var(--ht-bg);
}

/* 侧边导航栏：喜茶白底轻极简风 */
.sidebar {
  width: 250px;
  background-color: #ffffff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid var(--ht-border);
  z-index: 20;
}

.sidebar-header {
  padding: 28px 24px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px solid var(--ht-border-light);
}

.sidebar-header .logo-icon {
  width: 42px;
  height: 42px;
  background-color: var(--ht-black);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.sidebar-header h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ht-black);
  letter-spacing: 0.5px;
}

.sidebar-header p {
  font-size: 11px;
  color: var(--ht-gray);
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 500;
  margin-top: 1px;
}

.sidebar-menu {
  flex: 1;
  padding: 20px 14px;
  list-style: none;
  overflow-y: auto;
}

.sidebar-menu-category {
  font-size: 10px;
  color: var(--ht-gray-light);
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 10px 14px 6px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  margin-bottom: 4px;
  border-radius: var(--radius-pill);
  color: var(--ht-charcoal);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.menu-item:hover {
  background-color: var(--ht-oat-light);
  color: var(--ht-black);
}

.menu-item.active {
  background-color: var(--ht-black);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.menu-item i {
  font-size: 15px;
  width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 18px 20px;
  border-top: 1px solid var(--ht-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--ht-oat-light);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-avatar {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-pill);
  background-color: var(--ht-black);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}

.user-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--ht-black);
}

.user-role {
  font-size: 11px;
  color: var(--ht-gray);
}

.logout-btn {
  background: transparent;
  border: 1px solid var(--ht-border);
  color: var(--ht-gray-dark);
  cursor: pointer;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  font-size: 13px;
}

.logout-btn:hover {
  background-color: var(--ht-black);
  color: #fff;
  border-color: var(--ht-black);
}

/* 主内容区 */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background-color: var(--ht-bg);
}

/* 顶部栏：极简透明与留白 */
.top-navbar {
  height: 70px;
  background-color: #ffffff;
  border-bottom: 1px solid var(--ht-border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.page-title h1 {
  font-size: 19px;
  font-weight: 700;
  color: var(--ht-black);
  letter-spacing: -0.3px;
}

.page-title p {
  font-size: 12px;
  color: var(--ht-gray);
  margin-top: 2px;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 喜茶胶囊徽章 */
.model-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background-color: var(--ht-oat);
  border: 1px solid var(--ht-border);
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  color: var(--ht-black);
}

.model-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: var(--radius-pill);
  background-color: var(--ht-green);
}

/* 视图容器 */
.view-container {
  flex: 1;
  overflow-y: auto;
  padding: 28px 36px 40px;
}

.view-section {
  display: none;
  animation: fadeIn 0.25s ease-in-out;
}

.view-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 统计卡片网格：喜茶画册手记风格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-bottom: 24px;
}

.stat-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  border: 1px solid var(--ht-border);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  transition: var(--transition);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card);
  border-color: #d8d4cb;
}

.stat-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.stat-card-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  color: var(--ht-gray);
  text-transform: uppercase;
}

.stat-card-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  background-color: var(--ht-oat);
  color: var(--ht-black);
}

.stat-info .stat-number {
  font-size: 32px;
  font-weight: 800;
  color: var(--ht-black);
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.stat-info .stat-sub {
  font-size: 12px;
  color: var(--ht-gray);
  margin-top: 6px;
}

/* 强调色点缀卡片 */
.stat-card.danger {
  border-left: 4px solid var(--ht-red);
}
.stat-card.danger .stat-card-icon {
  background-color: var(--ht-red-bg);
  color: var(--ht-red);
}

.stat-card.warning {
  border-left: 4px solid var(--ht-amber);
}
.stat-card.warning .stat-card-icon {
  background-color: var(--ht-amber-bg);
  color: var(--ht-amber);
}

.stat-card.success {
  border-left: 4px solid var(--ht-green);
}
.stat-card.success .stat-card-icon {
  background-color: var(--ht-green-bg);
  color: var(--ht-green);
}

.stat-card.primary {
  border-left: 4px solid var(--ht-black);
}

/* 通用白底面板：杂志手记风格 */
.panel-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--ht-border);
  box-shadow: var(--shadow-subtle);
  padding: 26px 28px;
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
  flex-wrap: wrap;
  gap: 14px;
  border-bottom: 1px solid var(--ht-border-light);
  padding-bottom: 16px;
}

.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ht-black);
}

.panel-title i {
  color: var(--ht-black);
  font-size: 15px;
}

.panel-index {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--ht-gray-light);
  letter-spacing: 1px;
  margin-right: 4px;
}

/* 喜茶标志性按钮体系（经典墨黑胶囊、极细线描白底） */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  outline: none;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--ht-black);
  color: #ffffff;
}
.btn-primary:hover {
  background-color: var(--ht-black-hover);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.btn-secondary {
  background-color: #ffffff;
  border-color: var(--ht-border);
  color: var(--ht-charcoal);
}
.btn-secondary:hover {
  background-color: var(--ht-oat-light);
  border-color: #d5d0c7;
  color: var(--ht-black);
}

.btn-success {
  background-color: var(--ht-green);
  color: #fff;
}
.btn-success:hover {
  background-color: #21633d;
}

.btn-warning {
  background-color: var(--ht-amber);
  color: #fff;
}

.btn-danger {
  background-color: var(--ht-red);
  color: #fff;
}
.btn-danger:hover {
  background-color: #aa362c;
}

.btn-sm {
  padding: 5px 14px;
  font-size: 12px;
}

/* 筛选表单与搜索栏：胶囊形态 */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  min-width: 240px;
}

.search-input-wrapper input,
.form-group .search-input-wrapper input {
  width: 100%;
  padding: 10px 16px 10px 42px !important;
  border-radius: var(--radius-pill) !important;
  border: 1px solid var(--ht-border);
  background-color: var(--ht-oat-light);
  font-size: 13.5px;
  outline: none;
  transition: var(--transition);
}

.search-input-wrapper input:focus,
.form-group .search-input-wrapper input:focus {
  background-color: #ffffff;
  border-color: var(--ht-black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.search-input-wrapper i,
.form-group .search-input-wrapper i {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ht-gray);
  font-size: 14px;
  pointer-events: none;
  z-index: 2;
}

.select-control {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ht-border);
  background-color: var(--ht-oat-light);
  font-size: 13px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: var(--transition);
  color: var(--ht-charcoal);
}

.select-control:focus {
  background-color: #ffffff;
  border-color: var(--ht-black);
}

/* 数据表格：清爽无厚重底色 */
.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.custom-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 13px;
}

.custom-table th {
  background-color: var(--ht-oat-light);
  padding: 12px 16px;
  font-weight: 600;
  color: var(--ht-gray);
  border-bottom: 1px solid var(--ht-border);
  white-space: nowrap;
  font-size: 12px;
}

.custom-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--ht-border-light);
  color: var(--ht-black);
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background-color: #faf9f6;
}

/* 喜茶低饱和柔和预警徽章 */
.badge-risk {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.badge-risk.high {
  background-color: var(--ht-red-bg);
  color: var(--ht-red);
  border: 1px solid var(--ht-red-border);
}

.badge-risk.medium {
  background-color: var(--ht-amber-bg);
  color: var(--ht-amber);
  border: 1px solid var(--ht-amber-border);
}

.badge-risk.low {
  background-color: var(--ht-green-bg);
  color: var(--ht-green);
  border: 1px solid var(--ht-green-border);
}

.badge-status {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
}
.badge-status.follow { background: #f0f7ff; color: #1e6bb8; border: 1px solid #d4e6fc; }
.badge-status.improve { background: var(--ht-green-bg); color: var(--ht-green); border: 1px solid var(--ht-green-border); }
.badge-status.closed { background: var(--ht-oat); color: var(--ht-gray-dark); border: 1px solid var(--ht-border); }

/* 决策树判定路径可视化样式：喜茶手记节点 */
.tree-node-step {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #ffffff;
  border: 1px solid var(--ht-border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.tree-node-step .step-idx {
  background-color: var(--ht-black);
  color: #ffffff;
  border-radius: var(--radius-pill);
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
}

/* 分页控件 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 22px;
  font-size: 13px;
  color: var(--ht-gray);
}

.page-buttons {
  display: flex;
  align-items: center;
  gap: 6px;
}

.page-btn {
  padding: 6px 14px;
  border: 1px solid var(--ht-border);
  background: #fff;
  border-radius: var(--radius-pill);
  cursor: pointer;
  font-size: 12px;
  font-weight: 500;
  transition: var(--transition);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--ht-black);
  color: var(--ht-black);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* 模态弹窗：喜茶极简卡片式浮层 */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(17, 17, 17, 0.45);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #ffffff;
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 620px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-float);
  transform: scale(0.96);
  transition: var(--transition);
  border: 1px solid var(--ht-border);
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 20px 28px;
  border-bottom: 1px solid var(--ht-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ht-black);
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 22px;
  color: var(--ht-gray);
  cursor: pointer;
  transition: var(--transition);
}

.modal-close:hover {
  color: var(--ht-black);
}

.modal-body {
  padding: 26px 28px;
}

.modal-footer {
  padding: 18px 28px;
  border-top: 1px solid var(--ht-border-light);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: var(--ht-oat-light);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* 表单网格 */
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group.full {
  grid-column: span 2;
}

.form-group label {
  font-size: 12px;
  font-weight: 600;
  color: var(--ht-charcoal);
}

.form-group input,
.form-group select,
.form-group textarea {
  padding: 9px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ht-border);
  background-color: var(--ht-oat-light);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  background-color: #ffffff;
  border-color: var(--ht-black);
  box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

/* Toast 提示：黑色轻量胶囊 */
.toast-container {
  position: fixed;
  top: 24px;
  right: 28px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 10px 20px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideInRight 0.3s ease;
  min-width: 240px;
}

.toast.success { background-color: var(--ht-black); }
.toast.error { background-color: var(--ht-red); }
.toast.info { background-color: var(--ht-charcoal); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* 喜茶GO 极简艺术登录页面 */
.login-body {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ht-bg);
}

.login-card {
  width: 440px;
  max-width: 92vw;
  background: #ffffff;
  border-radius: var(--radius-lg);
  padding: 42px 36px;
  border: 1px solid var(--ht-border);
  box-shadow: var(--shadow-float);
}

.login-header {
  text-align: center;
  margin-bottom: 28px;
}

.login-logo {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  background: var(--ht-black);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.login-header h2 {
  font-size: 19px;
  font-weight: 800;
  color: var(--ht-black);
  letter-spacing: -0.2px;
  white-space: nowrap;
}

.login-header p {
  font-size: 12px;
  color: var(--ht-gray);
  margin-top: 5px;
  letter-spacing: 0.3px;
}

/* 喜茶GO 极简风分页组件系统 */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 22px;
  background: #ffffff;
  border-top: 1px solid var(--ht-border-light);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  flex-wrap: wrap;
  gap: 14px;
}

.pagination-info {
  font-size: 13px;
  color: var(--ht-gray);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pagination-info strong {
  color: var(--ht-black);
  font-weight: 700;
}

.pagination-controls {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.page-btn {
  min-width: 34px;
  height: 34px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ht-border);
  background-color: #ffffff;
  color: var(--ht-charcoal);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.page-btn:hover:not(:disabled):not(.active) {
  background-color: var(--ht-oat-light);
  border-color: var(--ht-gray-light);
  color: var(--ht-black);
}

.page-btn.active {
  background-color: var(--ht-black) !important;
  color: #ffffff !important;
  border-color: var(--ht-black) !important;
  font-weight: 700 !important;
}

.page-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
  border-color: var(--ht-border);
}

.page-ellipsis {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 34px;
  font-size: 13px;
  color: var(--ht-gray-light);
  user-select: none;
}

.page-jump-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--ht-gray);
  margin-left: 10px;
  padding-left: 10px;
  border-left: 1px solid var(--ht-border-light);
}

.page-jump-input {
  width: 52px;
  height: 32px;
  text-align: center;
  border: 1px solid var(--ht-border);
  border-radius: var(--radius-sm);
  background-color: var(--ht-bg);
  font-size: 13px;
  color: var(--ht-black);
  font-weight: 600;
  outline: none;
  transition: var(--transition);
}

.page-jump-input:focus {
  border-color: var(--ht-black);
  background-color: #ffffff;
}

.page-jump-btn {
  height: 32px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--ht-border);
  background: #ffffff;
  color: var(--ht-black);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.page-jump-btn:hover {
  background-color: var(--ht-black);
  color: #ffffff;
  border-color: var(--ht-black);
}