/* =====================================================================
   成长工具 B 版本 · 设计语言「自然生长 / 温暖纸张」
   方向：温暖、有机、成长感；替代 A 版的冷蓝扁平风。
   兼容：移动端优先、墨水屏高对比、prefers-reduced-motion 去动画。
   ===================================================================== */

:root {
  /* 色板：暖纸底 + 森林绿主色 + 琥珀点缀 */
  --bg: #f5f2ea;
  --bg-deep: #ede8db;
  --card: #fffdf7;
  --card-hover: #fbf8ef;
  --ink: #25221a;
  --ink-soft: #6d675a;
  --ink-faint: #9a9384;
  --border: #e5dfd1;
  --border-strong: #d6cebb;

  --brand: #2f7d5b;
  --brand-deep: #1f5a40;
  --brand-ink: #173f2e;
  --brand-soft: #e3efe7;
  --brand-ring: rgba(47, 125, 91, .18);

  --accent: #c9851b;
  --accent-soft: #f6ead2;

  --ok: #2f7d5b;
  --ok-soft: #e3efe7;
  --err: #b3402f;
  --err-soft: #f7e3de;
  --warn: #a5741c;
  --warn-soft: #f6ead2;
  --record: #c13b2b;

  --shadow-sm: 0 1px 2px rgba(60, 50, 30, .06);
  --shadow-md: 0 6px 18px rgba(60, 50, 30, .08);
  --shadow-lg: 0 18px 44px rgba(40, 32, 18, .16);
  --radius: 16px;
  --radius-sm: 11px;
  --font-head: "LXGW WenKai", "Kaiti SC", "STKaiti", "KaiTi", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
[hidden] { display: none !important; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  /* 温和的纸张氛围：极淡暖光 + 细点纹理，去色后自动消失 */
  background-image:
    radial-gradient(1200px 500px at 50% -120px, rgba(47, 125, 91, .06), transparent 70%),
    radial-gradient(1px 1px at 20% 30%, rgba(37, 34, 26, .05) 50%, transparent 50%);
  background-size: auto, 26px 26px;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: linear-gradient(135deg, var(--brand-deep), var(--brand-ink));
  color: #fff;
  padding: 16px 20px 15px;
  display: flex;
  align-items: center;
  gap: 14px;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 4px 18px rgba(23, 63, 46, .18);
}
.topbar .brand {
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 700;
  letter-spacing: .5px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.topbar .brand .sprout { font-size: 20px; }
.nav { display: flex; gap: 5px; margin-left: 6px; }
.nav-item {
  background: transparent;
  border: none;
  color: #cfe5d8;
  font-size: 14px;
  font-weight: 600;
  padding: 7px 13px;
  border-radius: 999px;
  cursor: pointer;
  transition: background .18s ease, color .18s ease;
}
.nav-item:hover { color: #fff; background: rgba(255, 255, 255, .08); }
.nav-item.active { background: rgba(255, 255, 255, .18); color: #fff; }
.version {
  font-size: 11px;
  color: #a8d9bd;
  background: rgba(255, 255, 255, .1);
  padding: 2px 9px;
  border-radius: 999px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.logout-btn {
  margin-left: auto;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, .35);
  color: #d8e9df;
  border-radius: 999px;
  padding: 5px 13px;
  font-size: 12px;
  cursor: pointer;
  transition: background .18s ease;
}
.logout-btn:hover { background: rgba(255, 255, 255, .14); color: #fff; }

/* ---------- 访问密码门 ---------- */
.auth-overlay {
  position: fixed;
  inset: 0;
  background: linear-gradient(160deg, var(--brand-ink), #0e2b1e);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 24px;
}
.auth-card {
  background: var(--card);
  border-radius: 22px;
  padding: 38px 30px 30px;
  width: 100%;
  max-width: 350px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.auth-brand {
  font-family: var(--font-head);
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.auth-sub { font-size: 14px; color: var(--ink-soft); margin-bottom: 20px; }
.auth-input {
  width: 100%;
  padding: 14px;
  font-size: 20px;
  letter-spacing: 7px;
  text-align: center;
  border: 1.5px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  font-variant-numeric: tabular-nums;
  background: var(--bg);
  color: var(--ink);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.auth-input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring); }
.auth-error { min-height: 20px; font-size: 13px; color: var(--err); margin: 9px 0 3px; }
.auth-btn { width: 100%; padding: 13px; margin-top: 8px; }

/* ---------- 布局 ---------- */
.container { max-width: 880px; margin: 0 auto; padding: 20px 16px 48px; }
.view { display: none; }
.view.active { display: block; animation: viewIn .28s ease; }
@keyframes viewIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
  box-shadow: var(--shadow-sm);
}
.section-title {
  margin: 0 0 14px;
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-head);
  letter-spacing: .3px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-title::before {
  content: "";
  width: 4px;
  height: 16px;
  border-radius: 2px;
  background: var(--brand);
  flex: none;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 11px 20px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
  transition: transform .12s ease, background .18s ease, box-shadow .18s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 125, 91, .24);
}
.btn-primary:hover { background: var(--brand-deep); }
.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: var(--card-hover); border-color: var(--brand); color: var(--brand-deep); }
.btn-small { padding: 7px 14px; font-size: 13px; }

.dz-hint { font-size: 12px; color: var(--ink-faint); margin-top: 9px; }

/* ---------- 上传进度 ---------- */
.upload-progress { margin-top: 14px; }
.bar { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: linear-gradient(90deg, var(--brand), #57a17e); border-radius: 999px; transition: width .25s ease; }
.bar-text { font-size: 12px; color: var(--ink-soft); margin-top: 7px; }

/* ---------- 录音器 ---------- */
.recorder { text-align: center; padding: 10px 0 6px; }
.rec-status { font-size: 14px; color: var(--ink-soft); margin-bottom: 7px; }
.rec-timer {
  font-size: 38px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 1px;
  margin: 4px 0 12px;
  color: var(--ink);
  font-family: var(--font-head);
}
.rec-controls { display: flex; align-items: center; justify-content: center; gap: 30px; }
.rec-main {
  width: 82px; height: 82px;
  border-radius: 50%;
  border: 3px solid var(--record);
  background: #fff;
  color: var(--record);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  box-shadow: 0 6px 16px rgba(193, 59, 43, .18);
  transition: transform .12s ease, box-shadow .2s ease;
}
.rec-main:active { transform: scale(.96); }
.rec-main.recording { background: var(--record); color: #fff; animation: pulse 1.6s ease-in-out infinite; }
.rec-main.paused { background: var(--accent-soft); color: var(--accent); border-color: var(--accent); }
@keyframes pulse { 0%, 100% { box-shadow: 0 0 0 0 rgba(193, 59, 43, .35); } 50% { box-shadow: 0 0 0 12px rgba(193, 59, 43, 0); } }
.rec-stop {
  width: 54px; height: 54px;
  border-radius: 16px;
  border: 2px solid var(--border-strong);
  background: #fff;
  color: var(--ink);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  padding: 0;
  transition: background .18s ease;
}
.rec-stop:hover { background: var(--bg); }
.rec-stop:disabled { opacity: .32; cursor: default; }

/* ---------- 任务 / 列表 ---------- */
.empty { color: var(--ink-faint); text-align: center; padding: 30px 8px; font-size: 14px; }
/* 固定高度 + 内部滚动，避免任务多时页面无限拉长 */
.jobs { }
.kb-list { max-height: 60vh; overflow-y: auto; padding-right: 4px; }
.job-item {
  display: flex; align-items: center; gap: 13px;
  padding: 14px; border: 1px solid var(--border); border-radius: 14px;
  margin-bottom: 10px; cursor: pointer;
  background: var(--card);
  transition: border-color .18s ease, box-shadow .18s ease, transform .12s ease;
}
.job-item:hover { border-color: var(--brand); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.job-main { flex: 1; min-width: 0; }

/* ---------- 任务列表内嵌手风琴 ---------- */
.job { margin-bottom: 10px; }
.job .job-item { margin-bottom: 0; }
.job.open .job-item { border-radius: 14px 14px 0 0; border-bottom-color: transparent; }
.job.open .job-item:hover { transform: none; }
.chevron {
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-faint); flex: none;
  transition: transform .18s ease, color .18s ease;
}
.job.open .chevron { transform: rotate(180deg); color: var(--brand); }
.job-detail {
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 14px 14px;
  padding: 14px;
  background: var(--bg);
  animation: detailIn .2s ease;
}
@keyframes detailIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.btn-ico { padding: 7px 10px; }

/* ---------- 内容抽屉（右滑 / 查看内容） ---------- */
.job-item { touch-action: pan-y; }
.view-content-btn { width: 100%; margin-top: 2px; justify-content: center; }
.drawer-overlay {
  position: fixed; inset: 0;
  background: rgba(23, 63, 46, .4);
  z-index: 200;
  display: flex; justify-content: flex-end;
  animation: overlayIn .18s ease;
}
.drawer {
  width: 100%; max-width: 720px; height: 100%;
  background: var(--bg);
  box-shadow: -12px 0 40px rgba(0, 0, 0, .18);
  display: flex; flex-direction: column;
  animation: drawerIn .22s ease;
}
@keyframes drawerIn { from { transform: translateX(100%); } to { transform: none; } }
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
.drawer-head {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 14px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.drawer-head .icon-btn { color: var(--ink); }
.drawer-title { flex: 1; font-weight: 700; font-family: var(--font-head); font-size: 16px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drawer-body { flex: 1; overflow-y: auto; padding: 16px; }
.job-name { font-weight: 600; font-size: 14px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.job-meta { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }
.badge {
  font-size: 12px; padding: 4px 12px; border-radius: 999px;
  white-space: nowrap; font-weight: 600;
  background: var(--warn-soft); color: var(--warn);
}
.badge.done { background: var(--ok-soft); color: var(--ok); }
.badge.error { background: var(--err-soft); color: var(--err); }

/* ---------- 图标按钮 ---------- */
.icon-btn {
  background: transparent; border: none; font-size: 18px; cursor: pointer;
  padding: 7px 9px; border-radius: 10px; line-height: 1;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background .16s ease, transform .12s ease;
}
.icon-btn:hover { background: var(--bg-deep); }
.icon-btn:active { transform: scale(.92); }
.del-btn { color: var(--ink-faint); }
.del-btn:hover { color: var(--err); background: var(--err-soft); }
.restore-btn { color: var(--brand); }
.restore-btn:hover { background: var(--brand-soft); }
.purge-btn { color: var(--err); }
.purge-btn:hover { background: var(--err-soft); }

/* ---------- 详情 ---------- */
.detail-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.detail-actions { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; }
.detail-actions:empty { display: none; }
.status-line { font-size: 13px; color: var(--ink-soft); margin-bottom: 12px; }
.status-line.error { color: var(--err); }

.tabs {
  display: flex; gap: 6px;
  border-bottom: 1.5px solid var(--border);
  margin-bottom: 14px;
  padding: 0 2px;
}
.tab {
  border: none; background: none; padding: 10px 15px;
  font-size: 14px; font-weight: 600; color: var(--ink-soft);
  cursor: pointer; border-bottom: 2px solid transparent;
  margin-bottom: -1.5px;
  transition: color .16s ease, border-color .16s ease;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--brand-deep); border-bottom-color: var(--brand); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.content-box {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 15px;
  max-height: 60vh; overflow: auto;
  white-space: pre-wrap; word-break: break-word;
  font-size: 14px; font-family: inherit; margin: 0;
  color: var(--ink);
}
.content-box.md { white-space: normal; }
.md h1, .md h2, .md h3 { margin: 15px 0 7px; font-size: 15px; font-family: var(--font-head); }
.md h2 { border-left: 4px solid var(--brand); padding-left: 9px; }
.md ul { margin: 4px 0; padding-left: 22px; }
.md li { margin: 4px 0; }
.md p { margin: 7px 0; }
.md strong { font-weight: 700; color: var(--brand-deep); }

.exam-toolbar { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.exam-frame { width: 100%; height: 70vh; border: 1px solid var(--border); border-radius: 12px; background: #fff; }

/* ---------- 知识库 / 复习 ---------- */
.kb-summary { font-size: 13px; color: var(--ink-soft); margin-bottom: 14px; }
.kb-item { border: 1px solid var(--border); border-radius: 14px; padding: 14px; margin-bottom: 12px; background: var(--card); }
.kb-head { display: flex; align-items: center; gap: 9px; margin-bottom: 8px; flex-wrap: wrap; }
.kb-score {
  font-size: 18px; font-weight: 700; color: var(--brand);
  font-variant-numeric: tabular-nums; font-family: var(--font-head);
  min-width: 28px; text-align: center;
}
.kb-cat { font-size: 12px; padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.cat-mental_health { background: #f4e3ee; color: #a23b7e; }
.cat-physical_health { background: var(--ok-soft); color: var(--ok); }
.cat-professional { background: var(--brand-soft); color: var(--brand-deep); }
.cat-other { background: var(--bg-deep); color: var(--ink-soft); }
.kb-pri { font-size: 12px; color: var(--ink-faint); }
.kb-text { font-size: 14px; margin-bottom: 7px; }
.kb-meta { font-size: 12px; color: var(--ink-soft); display: flex; gap: 14px; margin-bottom: 10px; }
.kb-meta .ok { color: var(--ok); }
.kb-meta .err { color: var(--err); }
.kb-actions { display: flex; gap: 8px; }
.ok-btn { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.ok-btn:hover { background: #d2e8da; }
.err-btn { background: var(--err-soft); color: var(--err); border-color: transparent; }
.err-btn:hover { background: #efd3cc; }

.review-exam-item {
  display: flex; align-items: center; gap: 9px; padding: 13px;
  border: 1px solid var(--border); border-radius: 14px;
  margin-bottom: 10px; flex-wrap: nowrap; background: var(--card);
}
.review-exam-item .job-main { flex: 1; min-width: 0; }
.review-exam-actions { display: flex; align-items: center; gap: 6px; flex: none; }
.review-exam-actions .btn { white-space: nowrap; }
.gen-status { font-size: 13px; color: var(--warn); margin-bottom: 13px; }

/* ---------- 标记错题弹窗 ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(23, 63, 46, .42);
  display: flex; align-items: center; justify-content: center; z-index: 1000; padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-card {
  background: var(--card); border-radius: 18px; width: 100%; max-width: 480px;
  max-height: 82vh; display: flex; flex-direction: column;
  box-shadow: var(--shadow-lg);
}
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 17px 19px; border-bottom: 1px solid var(--border); }
.modal-title { font-size: 16px; font-weight: 700; font-family: var(--font-head); }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--ink-soft); line-height: 1; padding: 4px 8px; border-radius: 8px; }
.modal-close:hover { background: var(--bg-deep); }
.modal-body { padding: 17px 19px; overflow: auto; }
.modal-foot { display: flex; gap: 10px; padding: 15px 19px; border-top: 1px solid var(--border); }
.modal-foot .btn { flex: 1; }
.mark-group { margin-bottom: 16px; }
.mark-group-label { font-size: 13px; font-weight: 700; color: var(--ink-soft); margin-bottom: 9px; }
.mark-nums { display: flex; flex-wrap: wrap; gap: 9px; }
.mark-num {
  width: 40px; height: 40px; border-radius: 11px;
  border: 1.5px solid var(--border-strong);
  background: var(--card); color: var(--ink); font-size: 15px; font-weight: 600;
  cursor: pointer; padding: 0; transition: all .14s ease;
}
.mark-num:hover { border-color: var(--brand); }
.mark-num.selected { background: var(--err); color: #fff; border-color: var(--err); box-shadow: 0 3px 10px rgba(179, 64, 47, .28); }

/* ---------- 分段控件（上传 / 录音） ---------- */
.seg {
  display: flex; gap: 4px; background: var(--bg-deep);
  border-radius: 12px; padding: 4px; margin-bottom: 16px;
}
.seg-item {
  flex: 1; border: none; background: transparent;
  padding: 11px 12px; border-radius: 9px; font-size: 14px; font-weight: 600;
  color: var(--ink-soft); cursor: pointer;
  transition: background .18s ease, color .18s ease, box-shadow .18s ease;
}
.seg-item.active { background: var(--card); color: var(--brand-deep); box-shadow: var(--shadow-sm); }
.seg-panel { margin-top: 4px; }

/* ---------- 任务状态图标 ---------- */
.job-icon {
  width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700; flex: none;
  background: var(--warn-soft); color: var(--warn);
}
.job-icon.st-done { background: var(--ok-soft); color: var(--ok); }
.job-icon.st-error { background: var(--err-soft); color: var(--err); }

/* ---------- 详情进度步骤条 ---------- */
.stepper { display: flex; align-items: flex-start; margin: 14px 0 8px; padding: 0 4px; }
.step { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; position: relative; }
.step .dot {
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--bg-deep); border: 2px solid var(--border-strong);
  position: relative; z-index: 2;
  transition: background .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.step:not(:first-child)::before {
  content: ""; position: absolute; top: 11px; left: -50%; width: 100%; height: 2px;
  background: var(--border); z-index: 1;
}
.step .lbl { font-size: 12px; color: var(--ink-faint); }
.step.done .dot { background: var(--brand); border-color: var(--brand); }
.step.done .lbl { color: var(--brand-deep); }
.step.active .dot { background: #fff; border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-ring); }
.step.active .lbl { color: var(--brand-deep); font-weight: 700; }
.step.err .dot { background: var(--err); border-color: var(--err); }
.step.err .lbl { color: var(--err); }
.step.done::before, .step.active::before { background: var(--brand); }

/* ---------- 底部导航 ---------- */
.tabbar {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: var(--card); border-top: 1px solid var(--border);
  z-index: 60; padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  box-shadow: 0 -2px 12px rgba(60, 50, 30, .06);
}
.tabbar-item {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  background: none; border: none; font-size: 11px; font-weight: 600;
  color: var(--ink-faint); cursor: pointer; padding: 4px 0;
  transition: color .16s ease;
}
.tabbar-item .ti { font-size: 20px; line-height: 1; display: flex; align-items: center; justify-content: center; }
.tabbar-item.active { color: var(--brand-deep); }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 18px; bottom: 88px;
  width: 46px; height: 46px; border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--card); color: var(--brand-deep);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; z-index: 70;
  box-shadow: var(--shadow-md);
  transition: transform .15s ease, background .18s ease;
}
.back-top:hover { background: var(--brand-soft); }
.back-top:active { transform: scale(.94); }

/* ---------- 手机端 ---------- */
@media (max-width: 600px) {
  body { font-size: 15px; }
  .nav { display: none; }
  .tabbar { display: flex; }
  .container { padding: 14px 12px 84px; }
  .card { padding: 16px; border-radius: 14px; }
  .topbar { padding: 13px 14px; }
  .btn { width: 100%; }
  .exam-toolbar .btn { width: 100%; }
  .content-box { max-height: 55vh; }
  .exam-frame { height: 60vh; }
  .section-title { font-size: 15px; }
  /* 复习试卷操作按钮保持横排，不撑满 */
  .review-exam-item .btn { width: auto; padding: 7px 11px; }
}

/* ---------- 墨水屏 / 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  .rec-main.recording { animation: none; box-shadow: 0 0 0 3px rgba(193, 59, 43, .3); }
  body { background-image: none; }
}