/* ==========================================================================
   班级德育分量化排名系统 - 样式表 (支持白天 Light / 黑夜 Dark 主题无缝切换)
   ========================================================================== */

:root,
[data-theme="light"] {
  --bg-page: #f4f7fb;
  --bg-surface: #ffffff;
  --bg-surface-alt: #f8fafc;
  --bg-hover: #eff6ff;
  --bg-selected: #e0f2fe;
  --bg-backdrop: rgba(15, 23, 42, 0.48);

  --text-main: #0f172a;
  --text-secondary: #334155;
  --text-muted: #64748b;

  --border-color: #e2e8f0;
  --border-strong: #cbd5e1;

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: #dbeafe;
  --primary-text: #1e40af;

  --success: #059669;
  --success-hover: #047857;
  --success-soft: #d1fae5;
  --success-text: #065f46;

  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-soft: #fee2e2;
  --danger-text: #991b1b;

  --warning: #d97706;
  --warning-soft: #fef3c7;
  --warning-text: #92400e;

  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

[data-theme="dark"] {
  --bg-page: #0b1120;
  --bg-surface: #151f32;
  --bg-surface-alt: #1e293b;
  --bg-hover: #1e3a5f;
  --bg-selected: #172554;
  --bg-backdrop: rgba(2, 6, 23, 0.72);

  --text-main: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;

  --border-color: #26354d;
  --border-strong: #334155;

  --primary: #3b82f6;
  --primary-hover: #60a5fa;
  --primary-soft: rgba(59, 130, 246, 0.18);
  --primary-text: #93c5fd;

  --success: #10b981;
  --success-hover: #34d399;
  --success-soft: rgba(16, 185, 129, 0.18);
  --success-text: #6ee7b7;

  --danger: #ef4444;
  --danger-hover: #f87171;
  --danger-soft: rgba(239, 68, 68, 0.18);
  --danger-text: #fca5a5;

  --warning: #f59e0b;
  --warning-soft: rgba(245, 158, 11, 0.2);
  --warning-text: #fcd34d;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.65);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background-color: var(--bg-page);
  color: var(--text-main);
  line-height: 1.5;
  transition: background-color 0.2s ease, color 0.2s ease;
  min-height: 100vh;
}

.hidden {
  display: none !important;
}

/* ================= 通用按钮与表单控件 ================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
  font-family: inherit;
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-xs {
  padding: 4px 9px;
  font-size: 12px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 13px;
}

.btn-lg {
  padding: 11px 18px;
  font-size: 15px;
}

.btn-block {
  width: 100%;
}

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

.btn-success {
  background: var(--success);
  color: #ffffff;
}
.btn-success:hover:not(:disabled) {
  background: var(--success-hover);
}

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

.btn-outline {
  background: var(--bg-surface);
  color: var(--text-main);
  border-color: var(--border-strong);
}
.btn-outline:hover:not(:disabled) {
  border-color: var(--primary);
  color: var(--primary);
}

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

.input {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-main);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  font-family: inherit;
}

.input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.input-sm {
  padding: 6px 10px;
  font-size: 13px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
}

.badge-admin {
  background: var(--primary-soft);
  color: var(--primary-text);
}

.badge-viewer {
  background: var(--warning-soft);
  color: var(--warning-text);
}

.badge-primary {
  background: var(--primary-soft);
  color: var(--primary-text);
}

.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-muted { color: var(--text-muted); font-size: 13px; }

/* ================= 1. 登录门禁页 ================= */
.login-overlay {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(circle at top right, var(--primary-soft), transparent 45%),
              var(--bg-page);
}

.login-topbar {
  width: 100%;
  max-width: 480px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 14px;
}

.domain-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  padding: 5px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--text-secondary);
  box-shadow: var(--shadow-sm);
}

.dot-live {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 3px var(--success-soft);
}

.login-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-lg);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.brand-logo {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  flex-shrink: 0;
}

.login-brand h1 {
  font-size: 20px;
  font-weight: 700;
}

.login-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

.login-form .form-group {
  margin-bottom: 16px;
}

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

.login-error {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: var(--danger-soft);
  color: var(--danger-text);
  font-size: 13px;
  margin-bottom: 14px;
}

.demo-account-box {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px dashed var(--border-color);
}

.demo-account-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.demo-account-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.demo-role-btn {
  text-align: left;
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
  color: var(--text-main);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.demo-role-btn:hover {
  border-color: var(--primary);
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.role-btn-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.role-cred {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.role-desc {
  font-size: 12px;
  color: var(--text-muted);
}

/* ================= 2. 顶部导航与主体容器 ================= */
.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--primary-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title-row h1 {
  font-size: 18px;
  font-weight: 700;
}

.domain-tag {
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
}

.brand-meta {
  font-size: 12px;
  color: var(--text-muted);
}

.topbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.user-status-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 10px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.user-name-text {
  font-size: 13px;
  font-weight: 600;
}

.main-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 20px;
  padding-bottom: 96px;
}

/* 普通账号横幅提示 */
.viewer-banner {
  background: var(--warning-soft);
  color: var(--warning-text);
  border: 1px solid var(--warning);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  margin-bottom: 16px;
}

.viewer-banner-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 13px;
}

/* 顶部三宫格统计卡片 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 16px;
}

.stat-card {
  min-width: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  box-shadow: var(--shadow-sm);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.stat-value {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

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

.stat-divider {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0 3px;
}

.stat-foot {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.55;
  word-break: break-word;
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.link-btn:hover {
  text-decoration: underline;
}

/* ================= 快捷排序与搜索操作栏 ================= */
.toolbar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
}

.toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.sort-control-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.control-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
}

.segmented-control {
  display: inline-flex;
  background: var(--bg-surface-alt);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 600;
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.seg-btn:hover {
  color: var(--text-main);
}

.seg-btn.active {
  background: var(--primary);
  color: #ffffff;
  box-shadow: var(--shadow-sm);
}

.sort-indicator {
  font-size: 11px;
  opacity: 0.92;
  margin-left: 2px;
}

.search-box-wrap {
  flex: 1;
  min-width: 220px;
  max-width: 340px;
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-subrow {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
}

.rule-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.rule-badge {
  background: var(--primary-soft);
  color: var(--primary-text);
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 11px;
}

.selection-quick-bar {
  display: flex;
  align-items: center;
  gap: 6px;
}

.sel-count-text {
  margin-right: 4px;
  color: var(--text-secondary);
}

/* ================= 排名主表格 ================= */
.table-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
}

.ranking-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.ranking-table th {
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 700;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
  user-select: none;
}

.sortable-th {
  cursor: pointer;
}
.sortable-th:hover {
  color: var(--primary);
}

.th-sub {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
}

.ranking-table td {
  padding: 11px 14px;
  border-bottom: 1px solid var(--border-color);
  font-size: 14px;
  vertical-align: middle;
}

.ranking-table tbody tr {
  transition: background-color 0.12s ease;
}

.ranking-table tbody tr:hover {
  background-color: var(--bg-hover);
}

.ranking-table tbody tr.row-selected {
  background-color: var(--bg-selected);
}

.col-check {
  width: 42px;
  text-align: center;
}

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

/* 排名徽章与同分并列标签 */
.rank-cell-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.rank-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 62px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.rank-badge.rank-1 {
  background: linear-gradient(135deg, #fef08a, #f59e0b);
  color: #78350f;
  border-color: #f59e0b;
}

.rank-badge.rank-2 {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
  color: #1e293b;
  border-color: #94a3b8;
}

.rank-badge.rank-3 {
  background: linear-gradient(135deg, #fed7aa, #ea580c);
  color: #ffffff;
  border-color: #ea580c;
}

.tied-tag {
  font-size: 11px;
  font-weight: 600;
  padding: 1px 6px;
  border-radius: 4px;
  white-space: nowrap;
  background: var(--warning-soft);
  color: var(--warning-text);
}

.student-no-badge {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-weight: 700;
  font-size: 13px;
  color: var(--text-secondary);
  background: var(--bg-surface-alt);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--border-color);
}

/* 点击学生姓名进入分数管理属性页按钮 */
.student-name-trigger {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid transparent;
  padding: 4px 10px;
  margin-left: -10px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.student-name-trigger:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.student-name-trigger .name-action-hint {
  font-size: 11px;
  font-weight: 500;
  opacity: 0;
  color: var(--primary-text);
  transition: opacity 0.15s ease;
}

.ranking-table tbody tr:hover .student-name-trigger .name-action-hint {
  opacity: 1;
}

/* 总分与加扣汇总 */
.score-pill-main {
  font-size: 17px;
  font-weight: 800;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.breakdown-pills {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.pill-add {
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--success-soft);
  color: var(--success-text);
  font-weight: 600;
}

.pill-deduct {
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--danger-soft);
  color: var(--danger-text);
  font-weight: 600;
}

.recent-log-cell {
  font-size: 12px;
  color: var(--text-secondary);
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* 底部悬浮批量操作栏 */
.floating-batch-bar {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 45;
  width: calc(100% - 32px);
  max-width: 960px;
  background: var(--bg-surface);
  border: 2px solid var(--primary);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 12px 20px;
  animation: slideUp 0.2s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translate(-50%, 16px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

.floating-batch-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.floating-batch-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  flex: 1;
  min-width: 240px;
}

.floating-badge {
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.floating-names-preview {
  color: var(--text-muted);
  font-size: 13px;
  max-width: 380px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.floating-batch-btns {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ================= 3. 学生德育分管理属性页 (右侧滑出抽屉) ================= */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bg-backdrop);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.student-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 640px;
  background: var(--bg-surface);
  border-left: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  animation: drawerSlideIn 0.22s ease-out;
}

@keyframes drawerSlideIn {
  from {
    transform: translateX(100%);
  }
  to {
    transform: translateX(0);
  }
}

.drawer-header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--bg-surface-alt);
}

.drawer-title-group {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.student-no-pill {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 14px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 6px;
  background: var(--primary-soft);
  color: var(--primary-text);
}

.drawer-title-group h2 {
  font-size: 20px;
  font-weight: 800;
}

.rank-pill {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
}

.tied-pill {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--warning-soft);
  color: var(--warning-text);
}

.drawer-nav-btns {
  display: flex;
  align-items: center;
  gap: 6px;
}

.btn-close {
  background: transparent;
  border: none;
  font-size: 26px;
  line-height: 1;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0 6px;
}
.btn-close:hover {
  color: var(--text-main);
}

.drawer-body {
  flex: 1;
  overflow-y: auto;
  padding: 20px 22px;
}

/* 学生属性页顶部核心指标卡 */
.student-score-summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  margin-bottom: 18px;
}

.score-hero {
  display: flex;
  flex-direction: column;
}

.score-hero-label {
  font-size: 12px;
  color: var(--text-muted);
}

.score-hero-value {
  font-size: 34px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.1;
}

.score-sub-metrics {
  display: flex;
  align-items: center;
  gap: 20px;
}

.sub-metric {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}

.sub-label {
  font-size: 12px;
  color: var(--text-muted);
}

/* 加扣分管理卡片 */
.score-manage-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  padding: 18px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.manage-card-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.manage-card-header h3 {
  font-size: 16px;
  font-weight: 700;
}

.manage-hint {
  font-size: 12px;
  color: var(--text-muted);
}

.form-row {
  margin-bottom: 15px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.label-sub {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 12px;
}

.req {
  color: var(--danger);
}

/* 加分 / 扣分切换按钮 */
.type-toggle-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.type-btn {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.type-btn.type-add.active {
  background: var(--success-soft);
  border-color: var(--success);
  color: var(--success-text);
}

.type-btn.type-deduct.active {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: var(--danger-text);
}

/* 5 / 10 / 15 / 20 快捷分值选择 + 自定义分值输入 */
.points-selector-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.quick-points-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  flex: 1;
  min-width: 240px;
}

.point-chip {
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--bg-surface-alt);
  color: var(--text-main);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: inherit;
}

.point-chip:hover {
  border-color: var(--primary);
}

.point-chip.active {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.custom-point-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface-alt);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.custom-point-prefix,
.custom-point-unit {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.input-points {
  width: 76px;
  padding: 5px 8px;
  font-weight: 700;
  text-align: center;
}

/* 快捷原因与快捷操作人标签区 */
.label-with-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 6px;
}

.label-with-action .form-label {
  margin-bottom: 0;
}

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

.btn-text-action {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.btn-text-action:hover {
  text-decoration: underline;
}

.preset-chips-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.preset-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  font-size: 12px;
  border-radius: 999px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.12s ease;
}

.preset-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-hover);
}

.preset-chip.selected {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-text);
  font-weight: 600;
}

.preset-chip-del {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--danger-soft);
  color: var(--danger);
  font-size: 11px;
  font-weight: 700;
  margin-left: 2px;
}
.preset-chip-del:hover {
  background: var(--danger);
  color: #fff;
}

.viewer-drawer-box {
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  background: var(--warning-soft);
  color: var(--warning-text);
  font-size: 13px;
  margin-bottom: 18px;
}

/* 历史流水时间轴 */
.section-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-header-row h3 {
  font-size: 15px;
  font-weight: 700;
}

.logs-timeline {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.log-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
}

.log-item-left {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.log-points-badge {
  display: inline-block;
  min-width: 56px;
  text-align: center;
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 13px;
  white-space: nowrap;
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.log-points-badge.is-add {
  background: var(--success-soft);
  color: var(--success-text);
}

.log-points-badge.is-deduct {
  background: var(--danger-soft);
  color: var(--danger-text);
}

.log-reason-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
}

.log-meta-line {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.empty-state {
  text-align: center;
  padding: 28px 16px;
  color: var(--text-muted);
  font-size: 13px;
  background: var(--bg-surface-alt);
  border-radius: var(--radius-sm);
  border: 1px dashed var(--border-color);
}

/* ================= 4. 通用弹窗与多选批量加扣分弹窗 ================= */
.modal-dialog {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-md { max-width: 560px; }
.modal-lg { max-width: 780px; }
.modal-xl { max-width: 1080px; }

.modal-header {
  padding: 16px 22px;
  background: var(--bg-surface-alt);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h2 {
  font-size: 18px;
  font-weight: 700;
}

.modal-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.modal-body {
  padding: 20px 22px;
  overflow-y: auto;
  flex: 1;
}

.batch-modal-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 20px;
}

.batch-students-pane {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-right: 1px solid var(--border-color);
  padding-right: 18px;
}

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

.pane-quick-btns {
  display: flex;
  gap: 6px;
}

.student-picker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 6px;
  max-height: 410px;
  overflow-y: auto;
  padding: 4px 2px;
}

.picker-card {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 9px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
  cursor: pointer;
  font-size: 13px;
  user-select: none;
  transition: all 0.12s ease;
}

.picker-card:hover {
  border-color: var(--primary);
}

.picker-card.picked {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary-text);
  font-weight: 700;
}

.picker-no {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  opacity: 0.75;
}

.batch-selected-preview-box {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 14px;
}

.preview-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.preview-list-text {
  font-size: 12px;
  color: var(--text-muted);
  max-height: 64px;
  overflow-y: auto;
}

/* 设置与部署指南样式 */
.settings-form .form-group {
  margin-bottom: 14px;
}
.settings-form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}
.divider {
  border: none;
  border-top: 1px solid var(--border-color);
  margin: 16px 0;
}
.danger-zone-box h4 {
  font-size: 14px;
  margin-bottom: 4px;
}
.danger-zone-box p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}
.danger-btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.deploy-guide-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
  font-size: 14px;
}
.deploy-step {
  padding: 12px 16px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}
.deploy-step h4 {
  margin-bottom: 6px;
  color: var(--primary);
}
.deploy-step ul,
.deploy-step ol {
  padding-left: 20px;
  margin-top: 4px;
}
.deploy-step code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  background: var(--bg-surface);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--border-color);
  font-size: 12px;
}

/* 德育分变化汇总表弹窗样式 */
.summary-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.summary-search-wrap {
  flex: 1;
  min-width: 220px;
}

.summary-right-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.summary-table-wrap {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  max-height: 60vh;
  overflow-y: auto;
}

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

.summary-table th {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-surface-alt);
  color: var(--text-secondary);
  font-weight: 700;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.summary-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.summary-table tbody tr:hover {
  background: var(--bg-hover);
}

.ts-cell {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
}

.summary-student-link {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  padding: 0;
  font-family: inherit;
}
.summary-student-link:hover {
  text-decoration: underline;
}

.score-flow-cell {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  white-space: nowrap;
  color: var(--text-secondary);
}

.login-footer-note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-color);
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* 学生属性页趋势图与分享按钮 */
.score-summary-actions {
  width: 100%;
  padding-top: 10px;
  border-top: 1px dashed var(--border-color);
  display: flex;
  justify-content: flex-end;
}

.trend-chart-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  margin-bottom: 18px;
}

.trend-chart-wrap {
  width: 100%;
  overflow-x: auto;
}

.trend-svg {
  width: 100%;
  height: auto;
  min-width: 360px;
  display: block;
}

/* 汇总表日期范围筛选 & 高发原因统计 */
.summary-date-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 12px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  margin-bottom: 12px;
}

.date-quick-group,
.date-custom-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.date-quick-group .btn.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.input-date {
  width: auto;
  min-width: 132px;
}

.top-reasons-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 12px;
}

.top-reason-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

.top-reason-card h4 {
  font-size: 13px;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-reason-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.top-reason-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--text-secondary);
}

.top-reason-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.batch-actions-cell {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

/* 数据备份区 & 学期归档弹窗 */
.backup-zone-box h4 {
  font-size: 14px;
  margin-bottom: 4px;
}

.backup-zone-box p {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.archive-create-card {
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px 16px;
  margin-bottom: 16px;
}

.archive-create-card h4 {
  font-size: 14px;
  margin-bottom: 10px;
}

.archive-create-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.archive-create-row .input {
  flex: 1;
  min-width: 220px;
}

.checkbox-inline-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.archive-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
}

.archive-list-pane {
  border-right: 1px solid var(--border-color);
  padding-right: 14px;
}

.archive-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 52vh;
  overflow-y: auto;
}

.archive-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: var(--bg-surface-alt);
  cursor: pointer;
  transition: all 0.12s ease;
}

.archive-item:hover {
  border-color: var(--primary);
}

.archive-item.active {
  background: var(--primary-soft);
  border-color: var(--primary);
}

.archive-item-title {
  font-size: 14px;
  font-weight: 700;
}

.archive-item-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 3px;
}

.archive-detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-color);
}

.archive-tabs {
  display: inline-flex;
  gap: 6px;
  margin-bottom: 10px;
}

/* 分享图与打印弹窗 */
.share-actions-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  margin-bottom: 14px;
}

.share-preview-wrap {
  display: flex;
  justify-content: center;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  overflow: auto;
}

.share-canvas {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
}

.share-print-only {
  display: none;
}

@media print {
  body * {
    visibility: hidden !important;
  }
  #share-print-area,
  #share-print-area * {
    visibility: visible !important;
  }
  #share-print-area {
    display: block !important;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    background: #ffffff;
    color: #0f172a;
    padding: 20px;
  }
}

/* Toast 通知 */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast-item {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-main);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 600;
  animation: fadeIn 0.2s ease;
}
.toast-item.toast-success { border-left-color: var(--success); }
.toast-item.toast-error { border-left-color: var(--danger); }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 响应式适配 */
@media (max-width: 960px) {
  .batch-modal-grid,
  .archive-layout,
  .top-reasons-grid {
    grid-template-columns: 1fr;
  }
  .batch-students-pane,
  .archive-list-pane {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding-right: 0;
    padding-bottom: 14px;
  }
}

@media (max-width: 720px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .quick-points-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .auto-backup-grid {
    grid-template-columns: 1fr;
  }
}

/* 服务器定期自动备份面板 */
.auto-backup-card {
  margin: 12px 0 16px;
  padding: 14px 16px;
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.auto-backup-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 14px;
}

.checkbox-inline {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  margin-bottom: 0 !important;
  font-size: 13px;
  cursor: pointer;
}

.auto-backup-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.auto-backup-card .form-group {
  margin-bottom: 8px;
}

.form-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin: 2px 0 0;
  line-height: 1.5;
}

.form-hint code {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 11px;
  padding: 1px 5px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 4px;
}

.auto-backup-status {
  margin-top: 12px;
  padding: 8px 12px;
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-surface-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.auto-backup-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 220px;
  overflow-y: auto;
}

.auto-backup-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 9px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
}

.auto-backup-meta {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.auto-backup-name {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  color: var(--text-main);
  word-break: break-all;
}

.auto-backup-sub {
  font-size: 11px;
  color: var(--text-muted);
}

.auto-backup-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}