/* ============================================================
   博佳课程系统 — 2026 风格
   干净、舒适、有层次
   ============================================================ */

/* ===== CSS 变量 ===== */
:root {
  --ink:        #2C2C3A;
  --ink-soft:   #5A5A6E;
  --ink-mute:   #6E6E82;

  --paper:      #F7F5F2;
  --paper-dark: #EDEAE4;
  --white:      #FFFFFF;

  --primary:    #5B7F6A;
  --primary-light: #EAF0EC;
  --accent:     #C49A6C;
  --accent-light: #F5EDE4;

  --success:    #5B8C5A;
  --success-light: #EEF5EE;
  --danger:     #B84A3A;
  --danger-light: #F8EEEC;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(44,44,58,0.04);
  --shadow-md: 0 4px 12px rgba(44,44,58,0.06);
  --shadow-lg: 0 8px 30px rgba(44,44,58,0.08);

  --serif: 'Noto Serif SC', 'Source Han Serif SC', serif;
  --sans:  'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

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

body {
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--ink); }

/* ===== SVG 图标系统 ===== */
.icon { display: inline-block; vertical-align: middle; fill: currentColor; flex: none; }
.brand-mark { display: inline-flex; align-items: center; }
.logo { display: inline-flex; align-items: center; gap: 8px; }
.logo .brand-mark { color: var(--primary); }

/* 顶部导航：图标 + 文字 */
.header-nav a { display: inline-flex; align-items: center; gap: 5px; }
.header-nav a .icon { color: var(--primary); opacity: 0.85; }

/* 统计卡图标 */
.stat-icon { color: var(--primary); margin-bottom: 8px; display: inline-flex; opacity: 0.9; }

/* 区块标题图标 */
.section-title { display: flex; align-items: center; gap: 8px; }
.section-title .sec-ico { color: var(--accent); display: inline-flex; flex: none; }

/* 学生元信息图标 */
.meta-ico { display: inline-flex; align-items: center; gap: 3px; }
.meta-ico .icon { color: var(--ink-mute); }

/* 按钮内图标间距（.btn 已有 gap，这里补强） */
.btn .icon, .btn-sm .icon { margin-right: 2px; }

/* 空状态图标（SVG） */
.empty-state .icon { color: var(--ink-mute); opacity: 0.4; margin-bottom: 8px; }

/* ===== 登录页 ===== */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--paper) 0%, var(--paper-dark) 100%);
}
.login-container {
  background: var(--white);
  padding: 40px 36px 32px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 380px;
}
.login-container h1 {
  font-family: var(--serif);
  text-align: center;
  margin-bottom: 28px;
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.04em;
}
.login-form .form-group { margin-bottom: 18px; }
.login-form label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 13px;
}
.login-form input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--sans);
  transition: all 0.2s;
  background: var(--white);
  color: var(--ink);
}
.login-form input:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,127,106,0.1);
}
.login-form .hint { text-align: center; color: var(--ink-mute); font-size: 13px; margin-top: 14px; }

/* ===== 顶部导航 ===== */
.header {
  background: var(--white);
  border-bottom: 1px solid var(--paper-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 24px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--ink) !important;
  letter-spacing: 0.03em;
}
.header-nav { display: flex; align-items: center; gap: 2px; font-size: 13px; margin-left: auto; }
.header-nav a {
  color: var(--ink-mute);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
  font-weight: 500;
  white-space: nowrap;
}
.header-nav a:hover { color: var(--ink); background: var(--paper); text-decoration: none; }
.header-nav a:focus-visible { outline: 2px solid var(--primary); outline-offset: -2px; }

/* ===== 下拉菜单 ===== */
.user-dropdown { position: relative; margin-left: 6px; }
.user-info {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  transition: background 0.2s;
  white-space: nowrap;
}
.user-info:hover { background: var(--paper); }
.dropdown-menu {
  display: none;
  position: absolute;
  right: 0;
  top: 100%;
  min-width: 140px;
  background: var(--white);
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  z-index: 200;
  padding: 4px 0;
  margin-top: 4px;
}
.dropdown-menu a, .dropdown-menu button.dropdown-item {
  display: flex;
  align-items: center;
  gap: 7px;
  width: 100%;
  text-align: left;
  padding: 8px 16px;
  font-size: 13px;
  color: var(--ink-soft) !important;
  text-decoration: none !important;
  background: none;
  border: none;
  font-family: var(--sans);
  cursor: pointer;
  transition: background 0.15s;
}
.dropdown-menu a:hover, .dropdown-menu button.dropdown-item:hover { background: var(--paper); color: var(--ink) !important; }
.dropdown-item.dropdown-danger { color: var(--danger) !important; }
.dropdown-menu .icon { color: var(--ink-mute); flex: 0 0 auto; }
.input-locked { background: var(--paper-dark); color: var(--ink-mute); cursor: not-allowed; }
.dropdown-divider { height: 1px; background: var(--paper-dark); margin: 4px 0; }

/* ===== 容器 ===== */
.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 28px 24px;
}

/* ===== 页面标题 ===== */
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}
.page-header h1 {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
}

/* ===== 仪表盘统计 ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}
.stat-card {
  background: var(--white);
  padding: 24px 20px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--paper-dark);
  text-align: center;
  transition: box-shadow 0.2s;
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-number {
  font-family: var(--serif);
  font-size: 32px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.2;
}
.stat-label { color: var(--ink-mute); font-size: 13px; margin: 4px 0 12px; }
.stat-link { font-size: 13px; color: var(--primary) !important; font-weight: 500; }

/* ===== 快速操作 / 卡片 ===== */
.quick-actions, .form-card, .recent-sessions {
  background: var(--white);
  padding: 24px 28px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--paper-dark);
  margin-bottom: 20px;
}
.quick-actions h2, .form-card h2, .recent-sessions h2 {
  font-family: var(--serif);
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--paper-dark);
}
.form-card.wide { max-width: 100%; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 20px;
  background: var(--white);
  border: 1.5px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  color: var(--ink-soft);
  font-size: 13px;
  font-family: var(--sans);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none !important;
  line-height: 1.5;
}
.btn:hover { background: var(--paper); border-color: var(--primary); color: var(--ink); }
.btn-primary {
  background: var(--primary);
  color: var(--white) !important;
  border-color: var(--primary);
}
.btn-primary:hover { background: #4D6E5A; border-color: #4D6E5A; }
.btn-danger {
  color: var(--danger) !important;
  border-color: var(--danger-light);
}
.btn-danger:hover { background: var(--danger-light); }
.btn-sm {
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 6px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  text-decoration: none !important;
  transition: all 0.2s;
  font-weight: 500;
  border: 1px solid transparent;
  font-family: var(--sans);
  cursor: pointer;
  line-height: 1.5;
}
.btn-sm:hover { background: var(--paper-dark); color: var(--ink); border-color: var(--paper-dark); }
.btn-block { display: flex; width: 100%; justify-content: center; }
.btn-sm.danger { color: var(--danger) !important; }
.btn-sm.danger:hover { background: var(--danger-light); border-color: var(--danger-light); }
.btn-sm.success { color: var(--success) !important; background: var(--success-light); border-color: var(--success-light); }
.btn-sm.success:hover { filter: brightness(0.96); color: var(--success) !important; }

/* 通用文本工具类（取代散落的内联色值） */
.muted { color: var(--ink-mute); }
.field-hint { color: var(--ink-mute); font-size: 12.5px; line-height: 1.6; margin: 4px 0 10px; }
.student-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--primary); color: var(--white);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-family: var(--serif); flex: 0 0 auto;
}
.link-strong { font-weight: 500; }
.panel-close {
  background: none; border: none; cursor: pointer;
  font-size: 20px; line-height: 1; color: var(--ink-mute);
  padding: 2px 6px; border-radius: var(--radius-sm);
}
.panel-close:hover { color: var(--ink); background: var(--paper); }
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 500; line-height: 1.6; }
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: #FFF8EE; color: #B8860B; }
.badge-neutral { background: var(--paper-dark); color: var(--ink-soft); }
.inline-input { width: auto; min-width: 80px; padding: 4px 8px; border: 1.5px solid var(--paper-dark); border-radius: 6px; font-size: 13px; font-family: var(--sans); background: var(--white); color: var(--ink); transition: all .2s; }
.inline-input:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(91,127,106,0.1); }

/* ===== 列表工具条（搜索 / 筛选） ===== */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 18px; }
.toolbar .field { margin-bottom: 0; min-width: 180px; flex: 1; }
.toolbar .field > label { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 4px; font-weight: 500; }
.toolbar .field input,
.toolbar .field select {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--sans);
  background: var(--white);
  color: var(--ink);
  transition: all 0.2s;
}
.toolbar .field input:focus,
.toolbar .field select:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,127,106,0.1);
}
.toolbar .search-box { position: relative; }
.toolbar .search-box > .icon { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--ink-mute); pointer-events: none; }
.toolbar .search-box input { padding-left: 36px; }
.toolbar .spacer { flex: 1; }
.toolbar .reset-link { font-size: 13px; color: var(--ink-mute); align-self: center; white-space: nowrap; text-decoration: none !important; }
.toolbar .reset-link:hover { color: var(--ink); }
.toolbar .result-count { font-size: 13px; color: var(--ink-mute); align-self: center; white-space: nowrap; margin-left: auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.spinner { display: inline-block; width: 14px; height: 14px; border: 2px solid var(--paper-dark); border-top-color: var(--primary); border-radius: 50%; animation: spin .6s linear infinite; vertical-align: middle; margin-right: 6px; }
.btn.is-loading { opacity: .85; pointer-events: none; }
@keyframes rowFlash { 0% { background: var(--primary-light); } 100% { background: transparent; } }
.row-highlight { animation: rowFlash 2.4s ease; }
@media (max-width: 768px) { .toolbar .field { min-width: 100%; } .toolbar .btn { width: 100%; justify-content: center; } }

/* ===== 表格 ===== */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--paper-dark); }
.table th {
  font-weight: 600;
  color: var(--ink-mute);
  font-size: 12px;
  letter-spacing: 0.02em;
  background: var(--paper);
  white-space: nowrap;
}
.table tr:hover { background: rgba(91,127,106,0.03); }
.table .actions-cell { white-space: nowrap; display: flex; gap: 4px; }

/* ===== 表格横向滚动 ===== */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-bottom: 18px; }

/* ===== 表单 ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  margin-bottom: 4px;
  font-weight: 500;
  color: var(--ink-soft);
  font-size: 13px;
}
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1.5px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: var(--sans);
  transition: all 0.2s;
  background: var(--white);
  color: var(--ink);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(91,127,106,0.1);
}
.form-group textarea { resize: vertical; min-height: 72px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid var(--paper-dark);
}

/* ===== Checkbox 网格 ===== */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 4px;
  max-height: 280px;
  overflow-y: auto;
  padding: 12px;
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  background: var(--paper);
}
.checkbox-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 5px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.15s;
}
.checkbox-item:hover { background: var(--white); }
.checkbox-item input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--primary); }

/* ===== 提示信息 ===== */
.alert {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  font-size: 13px;
  line-height: 1.5;
}
.alert-success { background: var(--success-light); color: var(--success); border: 1px solid #DCE8D8; }
.alert-error { background: var(--danger-light); color: var(--danger); border: 1px solid #F0D6D0; }
.alert-info { background: var(--primary-light); color: var(--ink-soft); border: 1px solid #CFE0D4; }

/* ===== 空状态 ===== */
.empty-state { text-align: center; padding: 48px 20px; color: var(--ink-mute); }
.empty-state .icon svg { width: 56px; height: 56px; }

/* ===== 分节标题 ===== */
.section-title {
  font-family: var(--serif);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  margin: 20px 0 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--accent);
}

/* ===== 班级页签（进度页） ===== */
.tabs {
  display: flex;
  gap: 0;
  background: var(--white);
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  flex-wrap: wrap;
  border: 1px solid var(--paper-dark);
  border-bottom: none;
}
.tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-mute);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: all 0.2s;
  text-decoration: none !important;
  background: var(--paper);
}
.tab:hover { background: var(--white); color: var(--ink); }
.tab.active { color: var(--ink); border-bottom-color: var(--accent); background: var(--white); }

.progress-content {
  background: var(--white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--paper-dark);
  border-top: none;
  margin-bottom: 24px;
}

/* ===== 统计栏 ===== */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
  padding: 14px 18px;
  background: var(--paper);
  border-radius: var(--radius-sm);
  border: 1px solid var(--paper-dark);
}
.stat-item { text-align: center; }
.stat-item .num { font-family: var(--serif); font-size: 22px; font-weight: 700; color: var(--ink); }
.stat-item .label { font-size: 11px; color: var(--ink-mute); margin-top: 2px; }

/* ===== 课程卡片 ===== */
.session-card {
  border: 1px solid var(--paper-dark);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  margin-bottom: 10px;
  transition: box-shadow 0.2s;
}
.session-card:hover { box-shadow: var(--shadow-sm); }
.session-card .session-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 8px;
}
.session-card .session-datetime { font-size: 14px; font-weight: 600; color: var(--ink); }
.session-card .session-datetime small { font-weight: 400; color: var(--ink-mute); font-size: 12px; }
.session-card .session-content { margin: 6px 0 4px; color: var(--ink-soft); font-size: 13px; }
.session-card .session-students { font-size: 12px; color: var(--ink-mute); }
.session-card .session-students strong { color: var(--ink-soft); }

/* ===== 出勤统计表 ===== */
.attendance-table { width: 100%; font-size: 13px; border-collapse: collapse; }
.attendance-table th {
  text-align: left; padding: 8px 12px;
  border-bottom: 2px solid var(--paper-dark);
  color: var(--ink-mute); font-weight: 600; font-size: 12px;
}
.attendance-table td { padding: 8px 12px; border-bottom: 1px solid var(--paper-dark); }
.attendance-bar {
  display: inline-block; height: 6px; border-radius: 3px;
  background: var(--primary-light); margin-right: 8px; vertical-align: middle; overflow: hidden;
}
.attendance-bar-inner { display: block; height: 100%; border-radius: 3px; background: var(--primary); }

/* ===== 学生信息头 ===== */
.student-header {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  border: 1px solid var(--paper-dark);
}
.student-info h2 { font-family: var(--serif); font-size: 20px; margin-bottom: 2px; color: var(--ink); }
.student-meta { color: var(--ink-mute); font-size: 12px; display: flex; gap: 10px; flex-wrap: wrap; }
.student-meta span { background: var(--paper); padding: 2px 8px; border-radius: 4px; }

/* ===== 时间线 ===== */
.timeline { position: relative; padding-left: 28px; }
.timeline::before { content: ''; position: absolute; left: 9px; top: 0; bottom: 0; width: 2px; background: var(--paper-dark); }
.timeline-item {
  position: relative; margin-bottom: 16px;
  background: var(--white); border-radius: var(--radius-sm);
  padding: 14px 16px 14px 24px;
  box-shadow: var(--shadow-sm); border: 1px solid var(--paper-dark);
  transition: box-shadow 0.2s;
}
.timeline-item:hover { box-shadow: var(--shadow-md); }
.timeline-item::before {
  content: ''; position: absolute; left: -22px; top: 20px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--primary); border: 3px solid var(--white); box-shadow: 0 0 0 2px var(--primary);
}
.timeline-item .event-date { font-size: 11px; color: var(--ink-mute); margin-bottom: 2px; }
.timeline-item .event-type {
  display: inline-block; padding: 1px 8px; border-radius: 4px; font-size: 11px; margin-bottom: 4px; font-weight: 500;
}
.timeline-item .event-name { font-size: 15px; font-weight: 600; color: var(--ink); }
.timeline-item .event-notes { font-size: 12px; color: var(--ink-mute); margin-top: 4px; }
.timeline-item .event-actions { margin-top: 8px; }
.type-考级 { background: var(--success-light); color: var(--success); }
.type-比赛 { background: #FFF8EE; color: #B8860B; }
.type-演出 { background: var(--danger-light); color: var(--danger); }
.type-考试 { background: var(--primary-light); color: var(--ink-soft); }
.type-其他 { background: #F5F0F7; color: #7B5EA7; }

/* ===== 弹窗 ===== */
.modal-overlay {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(44,44,58,0.35);
  z-index: 999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow-y: auto;
  padding: 8vh 16px;
}
.modal-box {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-width: 420px;
  width: 100%;
  margin: auto;
  max-height: 84vh;
  overflow-y: auto;
  animation: modalIn 0.2s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-16px); } to { opacity: 1; transform: translateY(0); } }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 18px 22px 0; }
.modal-header h3 { font-family: var(--serif); font-size: 17px; color: var(--ink); margin: 0; }
.modal-close { font-size: 22px; color: var(--ink-mute); cursor: pointer; line-height: 1; padding: 0 4px; background: none; border: none; }
.modal-close:hover { color: var(--ink); }
.modal-body { padding: 14px 22px 22px; }
.modal-msg { min-height: 0; }

/* ===== 状态标签 ===== */
.status-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.status-1 { background: var(--success-light); color: var(--success); }
.status-0 { background: var(--danger-light); color: var(--danger); }
.status-2 { background: #FFF8EE; color: #B8860B; }

/* ===== 导航当前项 / 面包屑 ===== */
.header-nav a.active { color: var(--ink); background: var(--paper); }
.breadcrumb { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-mute); margin-bottom: 16px; flex-wrap: wrap; }
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); }
.breadcrumb .sep { color: var(--paper-dark); }
.breadcrumb .current { color: var(--ink); font-weight: 500; }

/* ===== 提示可关闭 / 自动消失 ===== */
.alert { position: relative; }
.alert.is-dismissible { padding-right: 36px; }
.alert .alert-close { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); cursor: pointer; color: inherit; opacity: .55; border: none; background: none; font-size: 16px; line-height: 1; padding: 0 4px; }
.alert .alert-close:hover { opacity: 1; }

/* ===== 通用确认弹窗 ===== */
.confirm-box { max-width: 360px; }
.confirm-box .confirm-text { color: var(--ink-soft); font-size: 14px; margin: 4px 0 18px; line-height: 1.6; }
.confirm-box .confirm-actions { display: flex; gap: 8px; justify-content: flex-end; }

/* ===== 下拉菜单（可点击，支持键盘） ===== */
.user-dropdown.open .dropdown-menu { display: block; }
.user-info {
  font-family: var(--sans);
  border: none;
  cursor: pointer;
}
.user-info:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* ===== 搜索框（带 label 时图标不再靠估算定位） ===== */
.search-box .input-wrap { position: relative; display: block; }
.search-box .input-wrap .icon {
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  color: var(--ink-mute); pointer-events: none;
}
.search-box .input-wrap input { padding-left: 36px; width: 100%; }
.search-box .input-wrap .search-clear {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  border: none; background: none; cursor: pointer; color: var(--ink-mute);
  font-size: 17px; line-height: 1; padding: 4px 7px; border-radius: var(--radius-sm);
  display: none;
}
.search-box .input-wrap .search-clear:hover { color: var(--ink); background: var(--paper); }
.search-box .input-wrap.has-value .search-clear { display: block; }
.result-count { font-size: 13px; color: var(--ink-mute); align-self: center; white-space: nowrap; }
mark.hl { background: #FFF1B8; color: inherit; border-radius: 2px; padding: 0 1px; }
.filter-empty td { text-align: center; color: var(--ink-mute); padding: 28px 12px !important; font-size: 14px; }

/* ===== 定位刚操作过的那一行 ===== */
@keyframes rowFlash {
  0%   { background: var(--primary-light); }
  70%  { background: var(--primary-light); }
  100% { background: transparent; }
}
tr.row-flash > td { animation: rowFlash 2.4s ease-out; }

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  .form-row { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  /* 手机：logo 与用户菜单一行，导航单独一行可横滑，避免 6+ 入口挤爆 */
  .header-inner {
    padding: 0 16px;
    height: auto;
    flex-wrap: wrap;
    row-gap: 0;
    padding-top: 10px;
  }
  .logo { flex: 1 1 auto; }
  .user-dropdown { order: 2; margin-left: 0; }
  .header-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 0;
    font-size: 12px;
    overflow-x: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    padding: 8px 0 6px;
    border-top: 1px solid var(--paper);
    margin-top: 8px;
  }
  .header-nav::-webkit-scrollbar { display: none; }
  .header-nav a { padding: 5px 10px; flex: 0 0 auto; }
  .container { padding: 16px 12px; }
  .form-card, .quick-actions, .recent-sessions { padding: 16px; }
  .page-header h1 { font-size: 18px; }
  .table { font-size: 12px; }
  .table th, .table td { padding: 8px 8px; }
  .login-container { padding: 28px 24px 24px; margin: 12px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .tabs .tab { padding: 8px 14px; font-size: 12px; }
  .progress-content { padding: 16px; }
  .session-card { padding: 10px 14px; }
}