/* ============================================================
   WorkBuddy 培训课程调研 · 前端样式（调研页 sp- / 管理端 ad-）
   ============================================================ */
:root {
  --primary: #0052D9;
  --primary-light: #ECF2FF;
  --primary-hover: #266FE8;
  --success: #2BA471;
  --success-light: #E8F7F0;
  --danger: #D92149;
  --danger-light: #FDEEF2;
  --warn: #FF7D00;
  --text-1: #1D2129;
  --text-2: #4E5969;
  --text-3: #86909C;
  --bg: #F2F3F5;
  --card: #FFFFFF;
  --border: #E5E6EB;
  --radius: 12px;
  --radius-sm: 8px;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
}

/* ---------- 通用 ---------- */
.sp-error {
  color: var(--danger);
  background: var(--danger-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 14px;
}

.sp-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.sp-brand-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: linear-gradient(135deg, #0052D9, #3B7CFF);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.sp-brand-name { font-weight: 600; font-size: 15px; color: var(--text-1); }

/* ============================================================
   调研页（用户扫码填写）
   ============================================================ */
.sp-body { min-height: 100vh; }

.sp-page {
  max-width: 640px;
  margin: 0 auto;
  padding: 18px 16px 48px;
}

/* 加载 */
.sp-loading {
  text-align: center;
  padding: 120px 0;
  color: var(--text-3);
}
.sp-spinner {
  width: 36px;
  height: 36px;
  margin: 0 auto 14px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: sp-spin 0.8s linear infinite;
}
@keyframes sp-spin { to { transform: rotate(360deg); } }

/* 头部 */
.sp-header {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(29, 33, 41, 0.06);
}
.sp-company {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.sp-company-label {
  font-size: 12px;
  color: var(--text-3);
  background: var(--bg);
  padding: 2px 8px;
  border-radius: 4px;
  flex: none;
}
.sp-company strong { font-size: 18px; }

/* 卡片 & 表单 */
.sp-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: 0 1px 3px rgba(29, 33, 41, 0.06);
}
.sp-section-title {
  font-size: 16px;
  font-weight: 600;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  line-height: 1.5;
}
.sp-qnum {
  flex: none;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.sp-qhint { font-size: 13px; color: var(--text-3); margin: 4px 0 12px 30px; }

.sp-form .sp-card { margin-top: 0; }
.sp-form { margin-top: 14px; }

.sp-field { margin-top: 12px; }
.sp-field label {
  display: block;
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 6px;
  font-weight: 500;
}
.sp-field input,
.sp-field textarea,
.sp-improve textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-1);
  background: #FAFBFC;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.sp-field input:focus,
.sp-field textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.12);
  background: #fff;
}
.sp-field textarea { resize: vertical; min-height: 84px; }

.sp-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 11px 12px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text-1);
  background: #FAFBFC;
  resize: vertical;
  margin-top: 4px;
}
.sp-form textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.12);
  background: #fff;
}

.sp-field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 420px) { .sp-field-row { grid-template-columns: 1fr; } }

/* 满意度 */
.sp-sat-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 12px;
}
.sp-sat-option {
  position: relative;
  display: block;
}
.sp-sat-option input { position: absolute; opacity: 0; inset: 0; }
.sp-sat-option span {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 14px 8px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text-2);
  background: #FAFBFC;
  cursor: pointer;
  transition: all 0.15s;
}
.sp-sat-option input:checked + span {
  border-color: var(--primary);
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}
.sp-sat-option input:focus-visible + span { box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.15); }

.sp-improve { margin-top: 14px; }

/* 提交按钮 */
.sp-submit {
  width: 100%;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  padding: 14px;
  margin-top: 18px;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s;
}
.sp-submit:hover { background: var(--primary-hover); }
.sp-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.sp-footer-note {
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  margin-top: 12px;
}

/* 状态页 */
.sp-error-card, .sp-done-card {
  text-align: center;
  padding: 56px 24px;
  margin-top: 60px;
}
.sp-error-emoji, .sp-done-emoji { font-size: 52px; line-height: 1; margin-bottom: 16px; }
.sp-error-card h2, .sp-done-card h2 { font-size: 20px; margin-bottom: 10px; }
.sp-error-card p, .sp-done-card p { color: var(--text-2); font-size: 14px; }
.sp-done-company { color: var(--primary) !important; font-weight: 600; margin-bottom: 8px; }
.sp-done-tip { margin-top: 4px; }

/* ============================================================
   管理端
   ============================================================ */

/* 关键修复：类选择器的 display（如 .ad-login-wrap 的 flex）会覆盖 hidden 属性的
   UA 样式，导致 JS 设置 hidden=true 后元素仍然显示（登录后登录页还占着上方）。
   此规则强制 hidden 优先级最高，杜绝此类问题。 */
[hidden] { display: none !important; }

/* 登录 */
.ad-login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.ad-login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border-radius: 16px;
  padding: 36px 32px;
  box-shadow: 0 4px 20px rgba(29, 33, 41, 0.08);
}
.ad-login-card .sp-brand { justify-content: center; margin-bottom: 26px; }
.ad-login-card h1 {
  font-size: 20px;
  text-align: center;
  margin-bottom: 22px;
}
.ad-login-card .sp-submit { margin-top: 16px; }
.ad-login-card .sp-error { margin-top: 12px; }
.ad-login-tip {
  text-align: center;
  font-size: 12px;
  color: var(--text-3);
  margin-top: 18px;
}

/* 面板 */
.ad-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ad-main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.ad-card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: 0 1px 3px rgba(29, 33, 41, 0.06);
}

/* 列表行操作列：详情 / 导出CSV 并列 */
.ad-row-actions {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}
.ad-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.ad-card-title { font-size: 16px; font-weight: 600; margin-bottom: 14px; }
.ad-card-head .ad-card-title { margin-bottom: 0; }
.ad-inline-title { display: inline-block; margin: 0 0 0 10px; vertical-align: middle; }

/* 按钮 */
.ad-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-1);
  border-radius: var(--radius-sm);
  padding: 9px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s;
  white-space: nowrap;
}
.ad-btn:hover { border-color: var(--primary); color: var(--primary); }
.ad-btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}
.ad-btn-primary:hover { background: var(--primary-hover); color: #fff; }
.ad-btn-ghost { background: transparent; }
.ad-btn-link {
  color: var(--primary);
  border: none;
  background: none;
  padding: 6px 10px;
  font-size: 14px;
  cursor: pointer;
  font-family: inherit;
}
.ad-btn-link:hover { text-decoration: underline; }

/* 创建行 */
.ad-create-row { display: flex; gap: 12px; }
.ad-create-row input {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  font-size: 15px;
  font-family: inherit;
}
.ad-create-row input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.12);
}
@media (max-width: 600px) {
  .ad-create-row { flex-direction: column; }
}

/* 结果卡片 */
.ad-result-grid {
  display: grid;
  grid-template-columns: 1fr 240px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 700px) { .ad-result-grid { grid-template-columns: 1fr; } }

.ad-k {
  display: block;
  font-size: 12px;
  color: var(--text-3);
  margin-bottom: 2px;
}
.ad-result-company strong { font-size: 18px; }
.ad-result-link { margin: 14px 0; }
.ad-result-link code {
  display: block;
  word-break: break-all;
  background: var(--bg);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text-2);
}
.ad-result-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.ad-result-tip { font-size: 12px; color: var(--text-3); margin-top: 14px; }

.ad-qr-box {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 20px;
}
.ad-qr-box img, .ad-qr-box canvas { display: block; }

/* 表格 */
.ad-table-wrap { overflow-x: auto; }
.ad-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
.ad-table th {
  text-align: left;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ad-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.ad-table tr:last-child td { border-bottom: none; }
.ad-table tbody tr:hover { background: #FAFBFC; }
.ad-table .num { text-align: center; }
.ad-count-badge {
  display: inline-flex;
  min-width: 30px;
  justify-content: center;
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
  border-radius: 999px;
  padding: 1px 10px;
  font-size: 13px;
}
.ad-empty { text-align: center; color: var(--text-3); padding: 26px 0 !important; }

/* 统计条 */
.ad-stats {
  display: grid;
  gap: 10px;
  margin-bottom: 18px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.ad-stat-row { display: grid; grid-template-columns: 76px 1fr 56px; gap: 10px; align-items: center; }
.ad-stat-label { font-size: 13px; color: var(--text-2); }
.ad-stat-bar-track {
  height: 12px;
  background: var(--card);
  border-radius: 999px;
  overflow: hidden;
}
.ad-stat-bar {
  height: 100%;
  border-radius: 999px;
  transition: width 0.4s ease;
}
.ad-stat-num { font-size: 13px; color: var(--text-3); text-align: right; }

/* 回复卡片 */
.ad-responses { display: grid; gap: 12px; }
.ad-resp-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px;
}
.ad-resp-head {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.ad-resp-name { font-weight: 600; font-size: 15px; }
.ad-resp-meta {
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ad-resp-sat {
  font-size: 12px;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 500;
}
.ad-sat-4 { background: var(--success-light); color: var(--success); }
.ad-sat-3 { background: var(--primary-light); color: var(--primary); }
.ad-sat-2 { background: #FFF3E8; color: var(--warn); }
.ad-sat-1 { background: var(--danger-light); color: var(--danger); }

.ad-resp-body { display: grid; gap: 10px; }
.ad-resp-q {
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  margin-bottom: 2px;
}
.ad-resp-a {
  font-size: 14px;
  color: var(--text-1);
  background: var(--bg);
  border-radius: 8px;
  padding: 10px 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

/* ============================================================
   学员页 · WorkBuddy 智能问答（腾讯 ADP）
   ============================================================ */
.sp-chat-fab {
  position: fixed;
  right: 16px;
  bottom: 76px;
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  background: #ffffff;
  color: #0052d9;
  border: 1.5px solid #d6e4ff;
  border-radius: 18px;
  padding: 10px 14px;
  font-size: 11px;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(0, 82, 217, 0.18);
  cursor: pointer;
}
.sp-chat-fab:active { transform: scale(0.94); }
.sp-chat-fab .sp-chat-fab-icon { font-size: 22px; line-height: 1; }

.sp-chat-panel {
  position: fixed;
  right: 12px;
  bottom: 76px;
  z-index: 95;
  width: min(360px, calc(100vw - 24px));
  height: min(520px, 70vh);
  display: flex;
  flex-direction: column;
  background: #ffffff;
  border: 1px solid #e4e8ef;
  border-radius: 14px;
  box-shadow: 0 10px 40px rgba(16, 32, 64, 0.18);
  overflow: hidden;
}
.sp-chat-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: linear-gradient(135deg, #0052d9, #2684ff);
  color: #fff;
  flex-shrink: 0;
}
.sp-chat-head-title { font-size: 14px; font-weight: 700; }
.sp-chat-head-sub { font-size: 10.5px; opacity: 0.85; margin-top: 1px; }
.sp-chat-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}
.sp-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #f6f7f9;
}
.sp-chat-msg {
  max-width: 86%;
  padding: 9px 12px;
  border-radius: 12px;
  font-size: 13.5px;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.sp-chat-msg.bot {
  align-self: flex-start;
  background: #ffffff;
  color: #1a2233;
  border: 1px solid #e4e8ef;
  border-bottom-left-radius: 4px;
}
.sp-chat-msg.user {
  align-self: flex-end;
  background: #0052d9;
  color: #ffffff;
  border-bottom-right-radius: 4px;
}
.sp-chat-msg.typing { color: #8a94a6; font-style: normal; }
.sp-chat-typing-dots::after {
  content: "…";
  animation: sp-chat-dots 1.2s infinite steps(4);
}
@keyframes sp-chat-dots { 0% { content: ""; } 25% { content: "·"; } 50% { content: "· ·"; } 75% { content: "· · ·"; } }
.sp-chat-form {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid #e4e8ef;
  background: #ffffff;
  flex-shrink: 0;
}
.sp-chat-form input {
  flex: 1;
  border: 1px solid #d5dbe6;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 13.5px;
  outline: none;
}
.sp-chat-form input:focus { border-color: #0052d9; }
.sp-chat-form button {
  background: #0052d9;
  border: none;
  color: #fff;
  border-radius: 10px;
  padding: 0 16px;
  font-size: 15px;
  cursor: pointer;
}
.sp-chat-form button:disabled { background: #a8c0f0; cursor: not-allowed; }

.ad-resp-a.improve { border-left: 3px solid var(--warn); }

/* Toast */
.ad-toast {
  position: fixed;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  background: var(--text-1);
  color: #fff;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 14px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  z-index: 99;
  animation: ad-toast-in 0.25s ease;
}
@keyframes ad-toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}