/* ===== 全局重置 ===== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary: #1a56db;
  --primary-light: #e8f0fe;
  --primary-dark: #1e40af;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --bg: #f5f6fa;
  --card-bg: #ffffff;
  --text: #1f2937;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --radius: 12px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", "PingFang SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ===== 页面容器 ===== */
.page {
  display: none;
  min-height: 100vh;
  animation: fadeIn 0.3s ease;
}

.page.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== 封面页 ===== */
/* 注意：不能在这里直接设 display:flex，否则会覆盖 .page 的 display:none，
   导致封面永远显示在所有页面上（V2.5 修复的严重bug） */
.cover-page {
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  padding: 40px 20px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* 封面激活时才用 flex 布局（更高优先级，且不影响隐藏） */
.page.active.cover-page {
  display: flex;
}

.cover-container {
  background: var(--card-bg);
  border-radius: 20px;
  padding: 50px 40px;
  max-width: 560px;
  width: 100%;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
  text-align: center;
}

.cover-title {
  font-size: 26px;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.5;
  margin-bottom: 30px;
}

.cover-title span {
  display: block;
}

.cover-subtitle {
  font-size: 20px;
  color: var(--text);
  margin-bottom: 25px;
  font-weight: 600;
}

.cloud-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--text-light);
}

.cloud-status .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.cloud-status.connected .status-dot {
  background: var(--success);
  box-shadow: 0 0 6px var(--success);
}

.cloud-status.disconnected .status-dot {
  background: var(--danger);
}

/* 本机存储模式（V2.6）：琥珀色圆点 */
.cloud-status.local .status-dot {
  background: var(--warning);
  box-shadow: 0 0 6px var(--warning);
}

/* ===== 轻量提示 toast（V2.6）===== */
.toast {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(-20px);
  background: var(--success);
  color: #fff;
  padding: 12px 28px;
  border-radius: 24px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 6px 20px rgba(22, 163, 74, 0.35);
  z-index: 10000;
  opacity: 0;
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
  max-width: 90%;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.qr-section {
  margin: 25px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

#qrCode {
  width: 180px;
  height: 180px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px;
}

.qr-link-row {
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 100%;
}

.qr-link-row input {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 12px;
  width: 220px;
  color: var(--text-light);
  background: var(--bg);
}

.cover-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin: 30px 0 25px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 32px;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
}

.btn-secondary {
  background: #e0e7ff;
  color: var(--primary-dark);
}

.btn-secondary:hover {
  background: #c7d2fe;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary-light);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

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

.btn-sm {
  padding: 6px 16px;
  font-size: 13px;
}

.cover-notice {
  margin-top: 25px;
  padding: 16px 20px;
  background: #fef3c7;
  border-radius: 8px;
  font-size: 14px;
  color: #92400e;
  line-height: 1.6;
  text-align: left;
}

/* ===== 密码弹窗 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 999;
  align-items: center;
  justify-content: center;
}

.modal-overlay.show {
  display: flex;
}

.modal-box {
  background: #fff;
  border-radius: 16px;
  padding: 35px 30px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}

.modal-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
}

.modal-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  text-align: center;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 0.2s;
}

.modal-input:focus {
  border-color: var(--primary);
}

.modal-error {
  color: var(--danger);
  font-size: 14px;
  margin-bottom: 12px;
  display: none;
}

.modal-error.show {
  display: block;
}

.modal-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* ===== 问卷页面 ===== */
.survey-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 30px 20px 60px;
}

.survey-header {
  text-align: center;
  margin-bottom: 30px;
}

.survey-header h2 {
  font-size: 22px;
  color: var(--primary-dark);
  margin-bottom: 8px;
}

.section-divider {
  margin: 30px 0 15px;
  padding: 10px 16px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  font-size: 16px;
  font-weight: 600;
}

.question-card {
  background: var(--card-bg);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.2s;
}

.question-card.answered {
  border-left: 4px solid var(--success);
}

.question-card.unanswered {
  border-left: 4px solid var(--warning);
}

.question-number {
  display: inline-block;
  font-weight: 700;
  color: var(--primary);
  margin-right: 6px;
}

.question-text {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 12px;
  line-height: 1.7;
}

.question-options {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.option-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 6px 16px;
  border: 2px solid var(--border);
  border-radius: 20px;
  font-size: 14px;
  transition: all 0.15s;
  user-select: none;
}

.option-label:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.option-label input[type="radio"] {
  display: none;
}

.option-label.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== 分支选择 ===== */
.branch-section {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: #fff;
  border-radius: 12px;
  padding: 30px;
  margin: 30px 0;
}

.branch-section h3 {
  font-size: 18px;
  margin-bottom: 16px;
  text-align: center;
}

.branch-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.branch-option {
  background: rgba(255, 255, 255, 0.15);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  padding: 12px 16px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 15px;
  color: #fff;
}

.branch-option:hover {
  background: rgba(255, 255, 255, 0.25);
  border-color: #fff;
}

.branch-option.selected {
  background: #fff;
  color: var(--primary-dark);
  font-weight: 600;
}

/* ===== 基本信息 ===== */
.info-page {
  max-width: 600px;
  margin: 0 auto;
  padding: 30px 20px;
}

.info-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 35px 30px;
  box-shadow: var(--shadow);
}

.info-card h2 {
  text-align: center;
  margin-bottom: 25px;
  color: var(--primary-dark);
  font-size: 20px;
}

.info-row {
  margin-bottom: 20px;
}

.info-row label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
  font-size: 15px;
}

.info-row input[type="text"],
.info-row select {
  width: 100%;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  background: #fff;
}

.info-row input[type="text"]:focus,
.info-row select:focus {
  border-color: var(--primary);
}

.info-row select {
  cursor: pointer;
}

.info-row .radio-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.radio-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 14px;
  border: 2px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.15s;
}

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

.radio-chip input {
  display: none;
}

.radio-chip.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.info-date {
  color: var(--text-light);
  font-size: 14px;
  padding: 8px 0;
}

/* ===== 进度条 ===== */
.progress-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--card-bg);
  padding: 12px 20px;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px;
}

.progress-track {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--primary-dark));
  border-radius: 4px;
  transition: width 0.3s;
}

.progress-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}

/* ===== 导航按钮 ===== */
.nav-buttons {
  display: flex;
  justify-content: space-between;
  margin-top: 30px;
  gap: 12px;
}

/* ===== 报告页面 ===== */
.report-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 30px 20px;
}

.report-card {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: var(--shadow);
}

.report-card h3 {
  font-size: 18px;
  color: var(--primary-dark);
  margin-bottom: 16px;
  border-bottom: 2px solid var(--border);
  padding-bottom: 10px;
}

.report-summary {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.score-circle {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  border: 4px solid;
}

.score-circle.excellent {
  border-color: var(--success);
  color: var(--success);
}

.score-circle.pass {
  border-color: var(--warning);
  color: var(--warning);
}

.score-circle.fail {
  border-color: var(--danger);
  color: var(--danger);
}

.score-circle .score-num {
  font-size: 32px;
}

.score-circle .score-label {
  font-size: 14px;
}

.report-conclusion {
  padding: 16px 20px;
  border-radius: 8px;
  font-size: 15px;
  line-height: 1.8;
  margin-top: 16px;
}

.report-conclusion.fail {
  background: #fef2f2;
  color: #991b1b;
  border-left: 4px solid var(--danger);
}

.report-conclusion.pass {
  background: #fffbeb;
  color: #92400e;
  border-left: 4px solid var(--warning);
}

.report-conclusion.excellent {
  background: #f0fdf4;
  color: #166534;
  border-left: 4px solid var(--success);
}

.report-distribution {
  margin: 14px 0 4px;
  padding: 12px 16px;
  background: #f8fafc;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text);
}
.report-distribution p { margin: 6px 0; }
.report-distribution b { color: #1e40af; }

.section-scores {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
}

.section-score-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg);
  border-radius: 6px;
  font-size: 14px;
}

.section-score-bar {
  flex: 1;
  height: 8px;
  background: var(--border);
  border-radius: 4px;
  margin: 0 12px;
  overflow: hidden;
}

.section-score-fill {
  height: 100%;
  background: var(--primary);
  border-radius: 4px;
  transition: width 0.5s;
}

.section-score-value {
  font-weight: 700;
  white-space: nowrap;
  min-width: 70px;
  text-align: right;
}

/* ===== 图表容器 ===== */
.chart-container {
  width: 100%;
  height: 400px;
  margin: 16px 0;
}

.chart-container canvas {
  max-width: 100%;
}

/* ===== 报告选择器 ===== */
.report-selector {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.report-tab {
  padding: 8px 20px;
  border: 2px solid var(--border);
  border-radius: 20px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.2s;
  background: var(--card-bg);
}

.report-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== 名单 ===== */
.respondent-list {
  margin-top: 20px;
}

.respondent-list-toggle {
  cursor: pointer;
  color: var(--primary);
  font-size: 14px;
  user-select: none;
}

.respondent-list-content {
  display: none;
  margin-top: 12px;
}

.respondent-list-content.show {
  display: block;
}

.respondent-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.respondent-table th,
.respondent-table td {
  padding: 6px 10px;
  border: 1px solid var(--border);
  text-align: center;
}

.respondent-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.respondent-table tr:nth-child(even) {
  background: var(--bg);
}

/* ===== 导出按钮 ===== */
.export-buttons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

/* ===== 手机适配 ===== */
@media (max-width: 640px) {
  .cover-container {
    padding: 30px 20px;
  }

  .cover-title {
    font-size: 20px;
  }

  .cover-subtitle {
    font-size: 16px;
  }

  #qrCode {
    width: 140px;
    height: 140px;
  }

  .question-card {
    padding: 16px;
  }

  .question-text {
    font-size: 14px;
  }

  .option-label {
    padding: 8px 14px;
    font-size: 13px;
  }

  .question-options {
    gap: 8px;
  }

  .survey-page,
  .report-page,
  .info-page {
    padding: 16px 12px 40px;
  }

  .report-card {
    padding: 20px 16px;
  }

  .branch-section {
    padding: 20px 16px;
  }

  .branch-option {
    font-size: 14px;
    padding: 10px 12px;
  }

  .score-circle {
    width: 100px;
    height: 100px;
  }

  .score-circle .score-num {
    font-size: 26px;
  }

  .chart-container {
    height: 320px;
  }

  .nav-buttons {
    flex-direction: column;
  }

  .nav-buttons .btn {
    width: 100%;
  }

  .cover-buttons {
    flex-direction: column;
    width: 100%;
  }

  .cover-buttons .btn {
    width: 100%;
  }
}

/* ===== 打印样式 ===== */
@media print {
  body {
    background: #fff;
  }

  .no-print {
    display: none !important;
  }

  .report-card {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .page {
    display: block !important;
  }
}

/* ===== 弹窗按钮触控优化（V2.2）===== */
.modal-buttons .btn {
  flex: 1;
  min-height: 46px;
  font-size: 16px;
  padding: 12px 16px;
}

/* ===== 未答提醒（V2.4）===== */
.unanswered-tip {
  margin-top: 14px;
  padding: 10px 16px;
  background: #fef2f2;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  font-size: 14px;
  color: #991b1b;
  text-align: center;
  font-weight: 600;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

/* ===== 下拉框样式增强（V2.4）===== */
.info-row select {
  width: 100%;
  padding: 12px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 16px;
  outline: none;
  transition: border-color 0.2s;
  background: #fff;
  cursor: pointer;
  appearance: auto;
  -webkit-appearance: menulist;
}

.info-row select:focus {
  border-color: var(--primary);
}

/* ===== 逐题答题模式（V2.3）===== */
.single-question {
  padding: 30px 26px;
  margin-bottom: 16px;
  text-align: center;
}

.single-question .question-counter {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  display: inline-block;
  padding: 4px 14px;
  border-radius: 14px;
  margin-bottom: 18px;
}

.single-question .question-text {
  font-size: 18px;
  line-height: 1.9;
  margin-bottom: 26px;
  text-align: left;
}

.question-options.single {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.option-btn {
  min-width: 140px;
  padding: 14px 34px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.15s;
  -webkit-tap-highlight-color: transparent;
}

.option-btn:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

.option-btn.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
}

.branch-card .branch-options {
  text-align: left;
}

/* ===== 序列选择选项（白色卡片上的可见样式，V2.5 修复白字白底bug）===== */
.branch-card .branch-option {
  background: #fff;
  color: var(--text);
  border: 2px solid var(--border);
}

.branch-card .branch-option:hover {
  background: var(--primary-light);
  border-color: var(--primary);
}

.branch-card .branch-option.selected {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}

.change-track-link {
  margin-top: 16px;
  font-size: 13px;
  color: var(--text-light);
  cursor: pointer;
  text-decoration: underline;
  user-select: none;
}

.change-track-link:hover {
  color: var(--primary);
}

/* ===== 个人报告人员选择（V2.3）===== */
.person-select-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.person-select {
  flex: 1;
  min-width: 220px;
  padding: 10px 14px;
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: #fff;
  cursor: pointer;
  outline: none;
}

.person-select:focus {
  border-color: var(--primary);
}

@media (max-width: 640px) {
  .single-question {
    padding: 22px 16px;
  }

  .single-question .question-text {
    font-size: 16px;
  }

  .question-options.single {
    gap: 12px;
  }

  .option-btn {
    min-width: 120px;
    width: 100%;
    padding: 14px 0;
    font-size: 17px;
  }
}

/* ===== 单位报告筛选（V3.1）===== */
.unit-filter-row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.unit-filter-item {
  flex: 1;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.unit-filter-item label {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.unit-delete-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.unit-delete-hint {
  font-size: 12px;
  color: var(--text-light);
}

/* ===== 九类汇总表（V3.1）===== */
.summary-group-title {
  font-weight: 700;
  color: var(--primary-dark);
  font-size: 15px;
  margin: 14px 0 6px;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin-bottom: 8px;
}

.summary-table th,
.summary-table td {
  padding: 7px 10px;
  border: 1px solid var(--border);
  text-align: center;
}

.summary-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 600;
}

.summary-table tr:nth-child(even) td {
  background: var(--bg);
}

.summary-table tr.summary-empty td {
  color: #b9bec7;
}

.summary-table td.summary-type {
  text-align: left;
  white-space: normal;
  min-width: 150px;
  line-height: 1.4;
}

@media (max-width: 640px) {
  .unit-filter-item {
    min-width: 100%;
  }
  .summary-table {
    font-size: 12px;
  }
  .summary-table th,
  .summary-table td {
    padding: 5px 6px;
  }
}