/* 数匠AI - 现代化数字人教学演示管理控制台样式系统 */
:root {
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", "Roboto Mono", Consolas, monospace;

  /* 色彩体系 (Slate + Sky) */
  --bg-app: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f1f5f9;
  --bg-sidebar: #0f172a;
  --bg-sidebar-hover: #1e293b;
  --bg-sidebar-active: #2563eb;

  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  --text-inverse: #ffffff;

  --primary: #0284c7;
  --primary-hover: #0369a1;
  --primary-light: #e0f2fe;
  --primary-text: #0369a1;

  --success: #10b981;
  --success-light: #ecfdf5;
  --success-text: #047857;

  --warning: #f59e0b;
  --warning-light: #fffbeb;
  --warning-text: #b45309;

  --danger: #ef4444;
  --danger-light: #fef2f2;
  --danger-text: #b91c1c;

  --border: #e2e8f0;
  --border-focus: #38bdf8;
  --ring: rgba(2, 132, 199, 0.2);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(15, 23, 42, 0.12), 0 8px 10px -6px rgba(15, 23, 42, 0.06);

  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-body);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

[hidden] {
  display: none !important;
}

/* 统一图标样式 */
.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25em;
  height: 1.25em;
  vertical-align: -0.15em;
  fill: currentColor;
  flex-shrink: 0;
}

/* 登录/初始化面板 */
.login-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 24px;
  background: radial-gradient(circle at 50% 20%, #1e293b 0%, #0f172a 100%);
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: rgba(255, 255, 255, 0.98);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.login-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: #fff;
  margin-bottom: 16px;
  box-shadow: 0 8px 16px rgba(2, 132, 199, 0.3);
}

.login-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.5px;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* 主后台框架 */
.app-wrapper {
  display: flex;
  min-height: 100vh;
}

/* 侧边栏 */
.app-sidebar {
  width: 250px;
  background-color: var(--bg-sidebar);
  color: #94a3b8;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: sticky;
  top: 0;
  height: 100vh;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 30;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
}

.menu-toggle-btn {
  display: none;
  padding: 6px;
  color: var(--text-body);
}

.sidebar-close-btn {
  display: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: none;
  background: transparent;
  color: #94a3b8;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: auto;
  flex-shrink: 0;
  transition: var(--transition);
  padding: 0;
}

.sidebar-close-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.sidebar-close-btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(56, 189, 248, 0.4);
}

.sidebar-backdrop {
  display: none;
}

.brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0284c7, #38bdf8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
  flex-shrink: 0;
}

.brand-text {
  min-width: 0;
  overflow: hidden;
}

.brand-text h1 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.2px;
  white-space: nowrap;
}

.brand-text p {
  font-size: 11px;
  color: #64748b;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: #94a3b8;
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: var(--transition);
  width: 100%;
  text-align: left;
}

.nav-item:hover {
  background-color: var(--bg-sidebar-hover);
  color: #f8fafc;
}

.nav-item[aria-current="page"] {
  background-color: var(--bg-sidebar-active);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
}

.nav-item .nav-badge {
  margin-left: auto;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.12);
  color: #cbd5e1;
}

.nav-item[aria-current="page"] .nav-badge {
  background: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.sidebar-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.08);
  margin: 10px 4px;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.2);
}

.service-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.05);
  font-size: 12px;
  margin-bottom: 12px;
}

.status-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #94a3b8;
}

.status-indicator.ready {
  background: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.status-indicator.warning {
  background: #f59e0b;
  box-shadow: 0 0 8px #f59e0b;
}

.sidebar-user {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.user-info {
  font-size: 13px;
  color: #e2e8f0;
  font-weight: 500;
}

/* 主内容主体 */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

/* 顶部导航头 */
.app-header {
  height: 60px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* 主容器 */
.app-content {
  flex: 1;
  padding: 28px 32px 60px;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* 页面通用标题与操作栏 */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 16px;
}

.page-title-group h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.page-title-group p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 3px;
}

.page-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 卡片基础系统 */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-desc {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 18px;
}

/* 指标概览卡片 (KPI Stat Cards) */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 16px;
  position: relative;
  overflow: hidden;
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  flex-shrink: 0;
}

.stat-icon.blue { background: #e0f2fe; color: #0284c7; }
.stat-icon.green { background: #dcfce7; color: #16a34a; }
.stat-icon.purple { background: #f3e8ff; color: #9333ea; }
.stat-icon.amber { background: #fef3c7; color: #d97706; }

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.2;
  margin: 2px 0;
}

.stat-sub {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  white-space: nowrap;
  line-height: 1.4;
}

.btn:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 1px 2px rgba(2, 132, 199, 0.2);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn-secondary {
  background: var(--bg-surface);
  color: var(--text-body);
  border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--bg-surface-alt);
  border-color: #cbd5e1;
}

.btn-danger {
  background: #fff;
  color: var(--danger);
  border-color: #fecaca;
}

.btn-danger:hover:not(:disabled) {
  background: var(--danger-light);
  border-color: var(--danger);
}

.btn-sm {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: var(--radius-sm);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
  background: var(--bg-surface-alt);
  color: var(--text-main);
}

/* 徽标体系 */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.2;
}

.badge-primary { background: var(--primary-light); color: var(--primary-text); }
.badge-success { background: var(--success-light); color: var(--success-text); }
.badge-warning { background: var(--warning-light); color: var(--warning-text); }
.badge-danger { background: var(--danger-light); color: var(--danger-text); }
.badge-muted { background: var(--bg-surface-alt); color: var(--text-muted); }

/* 表单组件 */
.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 6px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  color: var(--text-main);
  background-color: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--ring);
}

.form-textarea {
  resize: vertical;
  min-height: 90px;
  line-height: 1.6;
}

.form-textarea.code {
  font-family: var(--font-mono);
  font-size: 13px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 5px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-check {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  cursor: pointer;
  user-select: none;
}

.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* 过滤与搜索栏 */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  max-width: 340px;
  width: 100%;
}

.search-box .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-subtle);
  pointer-events: none;
}

.search-box input {
  padding-left: 36px;
}

.filter-tabs {
  display: flex;
  align-items: center;
  background: var(--bg-surface-alt);
  padding: 3px;
  border-radius: var(--radius-md);
}

.filter-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.filter-tab.active {
  background: #fff;
  color: var(--text-main);
  box-shadow: var(--shadow-sm);
  font-weight: 600;
}

/* 情景卡片列表 */
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.scenario-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid #cbd5e1;
  transition: var(--transition);
}

.scenario-card.is-default {
  border-left-color: var(--success);
}

.scenario-card.is-enabled {
  border-left-color: var(--primary);
}

.scenario-card:hover {
  box-shadow: var(--shadow-md);
}

.scenario-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  flex-wrap: wrap;
  gap: 8px;
}

.scenario-title-area {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scenario-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
}

.scenario-desc {
  font-size: 14px;
  color: var(--text-body);
  margin-bottom: 12px;
}

.scenario-tags {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tag-capsule {
  font-size: 12px;
  color: var(--text-muted);
  background: var(--bg-surface-alt);
  padding: 3px 10px;
  border-radius: var(--radius-full);
}

.scenario-preview-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-bottom: 12px;
}

.scenario-details-box {
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--text-body);
  display: none;
}

.scenario-details-box.open {
  display: block;
}

.scenario-details-item {
  margin-bottom: 8px;
}

.scenario-details-item:last-child {
  margin-bottom: 0;
}

.scenario-details-label {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  margin-bottom: 2px;
}

.scenario-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* 数字人画廊网格 (Avatar Gallery) */
.avatar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 22px;
  margin-bottom: 28px;
}

.avatar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
}

.avatar-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.avatar-card.is-default {
  border-color: #38bdf8;
  box-shadow: 0 0 0 1px #38bdf8, var(--shadow-md);
}

.avatar-media {
  position: relative;
  width: 100%;
  padding-top: 125%; /* 4:5 竖版优雅人像比例，拉长展现完整发型面部与服饰 */
  background: #0f172a;
  overflow: hidden;
  cursor: pointer;
}

.avatar-media img, .avatar-media video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center; /* 确保人脸与头部完整居中展示，不被截断 */
  transition: transform 0.3s ease;
}

.avatar-card:hover .avatar-media img {
  transform: scale(1.04);
}

.avatar-badge-default {
  position: absolute;
  top: 10px;
  left: 10px;
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.25);
  z-index: 2;
}

.avatar-play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(4px);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition);
  z-index: 2;
}

.avatar-media:hover .avatar-play-btn {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.avatar-body {
  padding: 16px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.avatar-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.avatar-meta {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 14px;
}

.avatar-voice-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: #0369a1;
  background: #e0f2fe;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-weight: 500;
  width: fit-content;
}

.avatar-resource-hint {
  font-size: 11px;
  color: var(--text-muted);
}

.avatar-footer {
  margin-top: auto;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

/* 上传制作区域 */
.upload-card {
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  padding: 24px;
  background: #ffffff;
  margin-bottom: 24px;
}

.upload-progress-bar {
  height: 8px;
  width: 100%;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin-top: 10px;
}

.upload-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #0284c7, #38bdf8);
  border-radius: var(--radius-full);
  transition: width 0.2s ease;
}

/* 异步任务流水 */
.job-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-md);
  margin-top: 8px;
  font-size: 13px;
}

/* 抽屉系统 (Drawer) */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.drawer-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 580px;
  background: var(--bg-surface);
  box-shadow: var(--shadow-xl);
  z-index: 101;
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  display: flex;
  flex-direction: column;
}

.drawer-backdrop.active .drawer-panel {
  transform: translateX(0);
}

.drawer-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-main);
}

.drawer-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

.drawer-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}

/* 模态框系统 (Modal) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 110;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}

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

.modal-card {
  width: 100%;
  max-width: 520px;
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  transform: scale(0.95);
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-card {
  transform: scale(1);
}

.modal-header {
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.modal-body {
  padding: 22px;
  max-height: calc(85vh - 120px);
  overflow-y: auto;
}

.modal-footer {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface-alt);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

/* 全局 Toast 通知容器 */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  min-width: 300px;
  max-width: 420px;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: all 0.2s ease;
}

.toast.toast-exit {
  animation: toast-out 0.25s ease forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(-16px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-12px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.toast-msg {
  font-size: 12px;
  color: var(--text-body);
  margin-top: 2px;
  word-break: break-word;
}

.toast-close {
  background: none;
  border: none;
  color: var(--text-subtle);
  cursor: pointer;
  padding: 2px;
}

.toast-close:hover {
  color: var(--text-main);
}

.toast.success { border-left: 4px solid var(--success); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info { border-left: 4px solid var(--primary); }
.toast.info .toast-icon { color: var(--primary); }

/* 快速胶囊选项 */
.pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.pill-option {
  font-size: 12px;
  padding: 4px 10px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  color: var(--text-body);
  cursor: pointer;
  transition: var(--transition);
  user-select: none;
}

.pill-option:hover {
  background: var(--primary-light);
  color: var(--primary-text);
  border-color: #bae6fd;
}

/* 诊断测试卡片 */
.diagnostics-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-top: 14px;
}

.diagnostics-box.success {
  background: #f0fdf4;
  border-color: #bbf7d0;
  color: #166534;
}

.diagnostics-box.error {
  background: #fef2f2;
  border-color: #fecaca;
  color: #991b1b;
}

/* 响应式断点 */
@media (max-width: 960px) {
  .menu-toggle-btn {
    display: inline-flex;
  }

  .sidebar-close-btn {
    display: inline-flex;
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
  }

  body.sidebar-open .sidebar-backdrop {
    opacity: 1;
    visibility: visible;
  }

  .app-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 270px;
    height: 100vh;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: none;
  }

  body.sidebar-open .app-sidebar {
    transform: translateX(0);
    box-shadow: 12px 0 35px rgba(0, 0, 0, 0.5);
  }

  .app-header {
    padding: 0 16px;
  }

  .app-content {
    padding: 20px 16px 40px;
  }
}

@media (max-width: 640px) {
  .header-btn-text {
    display: none;
  }
  .header-title {
    font-size: 15px;
  }
  .app-header {
    padding: 0 12px;
  }
  .app-content {
    padding: 16px 12px 32px;
  }
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .page-actions {
    width: 100%;
  }
  .page-actions .btn {
    flex: 1;
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-box {
    max-width: 100%;
  }
  .filter-tabs {
    width: 100%;
    justify-content: space-around;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .stat-grid {
    grid-template-columns: 1fr;
  }
  .drawer-panel {
    max-width: 100%;
  }
}

/* 数字人排序：独立手柄，保留原卡片操作 */
.avatar-card {position:relative}
.avatar-order-bar {display:flex;align-items:center;gap:6px;padding:8px 10px;border-bottom:1px solid var(--border-color,#e2e8f0)}
.avatar-drag-handle {margin-right:auto;border:0;background:transparent;color:#64748b;cursor:grab;font:inherit;font-size:12px;padding:5px}
.avatar-drag-handle:active {cursor:grabbing}
.avatar-card.is-dragging {opacity:.55}
.avatar-card.drop-before {box-shadow:-5px 0 0 #2563eb}
.avatar-card.drop-after {box-shadow:5px 0 0 #2563eb}
#avatars-panel[aria-busy="true"] #avatar-list {opacity:.65}
@media (max-width:640px) {.avatar-drag-handle {display:none}}