/* ============================================================
   Elixir 炼金术学院 —— 主样式
   浅色主题 / 卡片式 / 无框架
   ============================================================ */

:root {
  --bg: #F4F6FB;
  --panel: #FFFFFF;
  --ink: #1E2333;
  --ink-2: #454B5E;
  --muted: #7A8093;
  --line: #E6E9F2;
  --line-2: #D8DCEA;
  --accent: #6C5CE7;
  --accent-soft: #EFECFF;
  --ok: #16A34A;
  --ok-soft: #E7F7ED;
  --err: #DC2626;
  --err-soft: #FDECEC;
  --warn: #C2760B;
  --warn-soft: #FDF3E3;
  --code-bg: #FBFBFE;
  --mono: "JetBrains Mono", "SF Mono", "Cascadia Mono", Menlo, Consolas, "Courier New", monospace;
  --radius: 12px;
  --shadow: 0 1px 2px rgba(30, 35, 51, .04), 0 6px 20px rgba(30, 35, 51, .06);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

code, pre, .mono { font-family: var(--mono); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: #D3D8E8; border-radius: 8px; border: 3px solid transparent; background-clip: content-box; }
::-webkit-scrollbar-thumb:hover { background: #B9C0D6; background-clip: content-box; }
::-webkit-scrollbar-track { background: transparent; }

/* ============================ 顶栏 ============================ */
.topbar {
  position: sticky; top: 0; z-index: 50;
  height: 60px;
  display: flex; align-items: center; gap: 16px;
  padding: 0 20px;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 16px; letter-spacing: .2px; }
.brand .flask { font-size: 22px; }
.brand small { display: block; font-size: 11px; font-weight: 500; color: var(--muted); letter-spacing: 0; line-height: 1.2; }

.topbar .spacer { flex: 1; }

.progress-wrap { display: flex; align-items: center; gap: 10px; min-width: 220px; }
.progress-bar { flex: 1; height: 8px; background: #ECEFF7; border-radius: 99px; overflow: hidden; }
.progress-bar > i { display: block; height: 100%; width: 0; border-radius: 99px; background: linear-gradient(90deg, #7C6BFF, #57C7E3); transition: width .45s cubic-bezier(.2,.8,.3,1); }
.progress-num { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.icon-btn {
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  height: 34px; padding: 0 12px; border-radius: 9px; cursor: pointer;
  font-size: 13px; display: inline-flex; align-items: center; gap: 6px;
  font-family: inherit; transition: .15s;
}
.icon-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* ============================ 布局 ============================ */
.layout { display: flex; align-items: flex-start; height: calc(100vh - 60px); }

.sidebar {
  width: 306px; flex: none; height: 100%; overflow-y: auto;
  background: #fff; border-right: 1px solid var(--line);
  padding: 14px 12px 60px;
  position: sticky; top: 60px;
}
.side-head { padding: 6px 8px 10px; font-size: 12px; color: var(--muted); letter-spacing: 1px; font-weight: 700; }

.stage { margin-bottom: 8px; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; background: #fff; }
.stage.locked { opacity: .62; }
.stage.active { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(108, 92, 231, .1); }

.stage-head {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px; cursor: pointer;
  user-select: none; transition: .15s;
}
.stage-head:hover { background: #FAFAFE; }
.stage-emoji { font-size: 20px; width: 26px; text-align: center; flex: none; }
.stage-meta { flex: 1; min-width: 0; }
.stage-name { font-weight: 650; font-size: 13.5px; line-height: 1.4; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stage-sub { font-size: 11.5px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stage-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.stage-lock { font-size: 14px; }

.stage-lessons { border-top: 1px solid var(--line); padding: 4px 0; background: #FCFCFE; }
.lesson-item {
  display: flex; align-items: center; gap: 8px; padding: 7px 12px 7px 20px;
  cursor: pointer; font-size: 13px; color: var(--ink-2); transition: .12s;
}
.lesson-item:hover { background: #F2F0FF; }
.lesson-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.lesson-item .tick { width: 16px; text-align: center; font-size: 11px; color: var(--ok); flex: none; }
.lesson-item .lt { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lesson-item .lm { font-size: 11px; color: var(--muted); font-variant-numeric: tabular-nums; }

.quiz-item {
  display: flex; align-items: center; gap: 8px; padding: 8px 12px 8px 20px;
  cursor: pointer; font-size: 13px; color: var(--ink-2); transition: .12s;
  border-top: 1px dashed var(--line-2); margin-top: 2px;
}
.quiz-item:hover { background: #FFF7E8; }
.quiz-item.active { background: var(--warn-soft); color: var(--warn); font-weight: 650; }
.quiz-item.locked { opacity: .5; cursor: not-allowed; }
.badge-mini {
  font-size: 10px; padding: 1px 6px; border-radius: 99px; background: var(--ok-soft); color: var(--ok);
  font-weight: 700; border: 1px solid #CDEBD9;
}

/* ============================ 主内容 ============================ */
.content { flex: 1; min-width: 0; height: 100%; overflow-y: auto; padding: 28px 32px 120px; }
.sheet { max-width: 860px; margin: 0 auto; }

.crumb { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.crumb b { color: var(--accent); font-weight: 650; }
h1.page-title { font-size: 26px; line-height: 1.35; margin: 0 0 6px; letter-spacing: -.2px; }
.page-sub { color: var(--muted); font-size: 14px; margin-bottom: 22px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }

/* --- 理论块 --- */
.blk { margin-bottom: 16px; }
.blk-p { font-size: 15px; color: var(--ink-2); }
.blk-p code, .lesson-text code {
  background: var(--accent-soft); color: #5544D6; padding: 1px 6px; border-radius: 5px;
  font-size: .88em; border: 1px solid #E3DEFF;
}
.blk-list { margin: 0; padding-left: 20px; color: var(--ink-2); }
.blk-list li { margin-bottom: 6px; }

.blk-tip, .blk-analogy { padding: 12px 16px; border-radius: 10px; font-size: 14.5px; color: var(--ink-2); display: flex; gap: 10px; }
.blk-tip { background: var(--ok-soft); border: 1px solid #CDEBD9; }
.blk-analogy { background: var(--warn-soft); border: 1px solid #F3E0BC; }
.blk-ico { font-size: 17px; line-height: 1.6; flex: none; }

/* --- 代码编辑器 --- */
.ed { border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; background: var(--code-bg); margin: 10px 0 4px; }
.ed-bar { display: flex; align-items: center; gap: 8px; padding: 6px 10px; background: #F1F3FA; border-bottom: 1px solid var(--line); }
.ed-title { font-size: 12px; color: var(--muted); font-weight: 600; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ed-actions { display: flex; gap: 6px; }

.btn {
  border: 1px solid var(--line-2); background: #fff; color: var(--ink-2);
  height: 28px; padding: 0 12px; border-radius: 7px; cursor: pointer;
  font-size: 12.5px; font-weight: 600; font-family: inherit; transition: .15s;
  display: inline-flex; align-items: center; gap: 5px;
}
.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: .5; cursor: default; }
.btn-run { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-run:hover { background: #5B4BD6; color: #fff; }
.btn-check { background: #0F9D58; border-color: #0F9D58; color: #fff; }
.btn-check:hover { background: #0C8A4C; color: #fff; }
.btn-ghost { background: transparent; }

.ed-body { display: flex; align-items: stretch; background: var(--code-bg); position: relative; }
.ed-lines {
  flex: none; width: 40px; padding: 12px 8px 12px 0; text-align: right;
  font-family: var(--mono); font-size: 13px; line-height: 21px; color: #B6BCCE;
  background: #F7F8FD; border-right: 1px solid var(--line); user-select: none; overflow: hidden;
}
.ed-wrap { position: relative; flex: 1; min-width: 0; height: 100%; }
.ed-hl, .ed-ta {
  margin: 0; padding: 12px 14px;
  font-family: var(--mono); font-size: 13px; line-height: 21px;
  white-space: pre; overflow: auto; tab-size: 2;
  border: 0; background: transparent;
}
.ed-hl { position: relative; z-index: 1; pointer-events: none; color: var(--ink); min-height: 100%; }
.ed-ta {
  position: absolute; inset: 0; z-index: 2; width: 100%; height: 100%;
  resize: none; outline: none; color: transparent; caret-color: var(--accent);
  -webkit-text-fill-color: transparent;
}
.ed-ta::selection { background: rgba(108, 92, 231, .22); }
.ed-hl .tok-comment { color: #9AA0B4; font-style: italic; }
.ed-hl .tok-string  { color: #0E8A5F; }
.ed-hl .tok-atom    { color: #C2410C; }
.ed-hl .tok-number  { color: #B45309; }
.ed-hl .tok-keyword { color: #7C3AED; font-weight: 600; }
.ed-hl .tok-module  { color: #2563EB; }
.ed-hl .tok-fn      { color: #1F2937; }
.ed-hl .tok-op      { color: #DB2777; }
.ed-hl .tok-punct   { color: #6B7280; }
.ed-hl .tok-kwarg   { color: #0891B2; }
.ed-hl .tok-embed   { color: #C2410C; }
.ed-hl .tok-interp  { color: #0E8A5F; font-weight: 700; }

/* --- 输出区 --- */
.ed-out { border-top: 1px solid var(--line); background: #fff; display: none; }
.ed-out.show { display: block; }
.out-block { padding: 10px 14px; font-family: var(--mono); font-size: 12.5px; line-height: 1.65; white-space: pre-wrap; word-break: break-word; max-height: 320px; overflow: auto; }
.out-block.stdout { color: #16323F; background: #F8FAFC; }
.out-empty { color: var(--muted); font-style: italic; }
.out-ret { border-top: 1px dashed var(--line); padding: 8px 14px; font-size: 12px; color: var(--muted); font-family: var(--mono); }
.out-ret b { color: var(--accent); font-weight: 600; }
.err-block { padding: 10px 14px; background: var(--err-soft); border-left: 3px solid var(--err); color: #8C1D18; font-size: 13px; }
.err-block .k { font-weight: 700; display: block; margin-bottom: 2px; font-family: var(--mono); font-size: 12px; }
.err-block .tip { margin-top: 6px; font-size: 12px; color: #A4514B; }
.err-block.expected { background: var(--ok-soft); border-left-color: var(--ok); color: #14663A; }
.err-block.expected .k { color: #14663A; }
.err-block.expected .tip { color: #3C7A57; }

.check-list { border-top: 1px solid var(--line); padding: 10px 14px; }
.check-row { display: flex; align-items: flex-start; gap: 8px; padding: 4px 0; font-size: 13px; }
.check-ico { width: 18px; flex: none; text-align: center; font-weight: 700; }
.check-row.pass .check-ico { color: var(--ok); }
.check-row.fail { color: var(--err); }
.check-row.fail .check-ico { color: var(--err); }
.check-sum { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); font-size: 13px; font-weight: 650; }
.check-sum.ok { color: var(--ok); }
.check-sum.no { color: var(--err); }

/* --- 练习卡 --- */
.ex { border: 1px solid var(--line-2); border-radius: var(--radius); overflow: hidden; margin-bottom: 16px; background: #fff; box-shadow: var(--shadow); }
.ex.done { border-color: #B7E4C7; }
.ex-head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: #FAFAFE; border-bottom: 1px solid var(--line); }
.ex-tag { font-size: 11px; font-weight: 800; letter-spacing: .5px; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); flex: none; }
.ex.done .ex-tag { background: var(--ok-soft); color: var(--ok); }
.ex-name { font-weight: 650; font-size: 14.5px; flex: 1; }
.ex-body { padding: 14px 16px 16px; }
.ex-prompt { font-size: 14.5px; color: var(--ink-2); margin-bottom: 4px; }
.hints { margin-top: 10px; }
.hints summary { cursor: pointer; font-size: 13px; color: var(--warn); font-weight: 600; user-select: none; }
.hints ol { margin: 8px 0 0; padding-left: 20px; font-size: 13.5px; color: var(--ink-2); }
.hints li { margin-bottom: 4px; }

/* --- 测验 --- */
.quiz-card { padding: 18px 20px; margin-bottom: 14px; }
.quiz-q { font-size: 15.5px; font-weight: 600; margin-bottom: 12px; line-height: 1.6; }
.quiz-q code { background: var(--accent-soft); color: #5544D6; padding: 1px 6px; border-radius: 5px; font-size: .88em; }
.opt {
  display: flex; align-items: flex-start; gap: 10px; padding: 9px 12px; margin-bottom: 8px;
  border: 1px solid var(--line-2); border-radius: 9px; cursor: pointer; font-size: 14px; transition: .15s; background: #fff;
}
.opt:hover { border-color: var(--accent); background: #FAFAFF; }
.opt.sel { border-color: var(--accent); background: var(--accent-soft); }
.opt.right { border-color: var(--ok); background: var(--ok-soft); }
.opt.wrong { border-color: var(--err); background: var(--err-soft); }
.opt-key { width: 22px; height: 22px; flex: none; border-radius: 50%; border: 1px solid var(--line-2); display: grid; place-items: center; font-size: 11.5px; font-weight: 700; color: var(--muted); background: #fff; }
.opt.sel .opt-key { border-color: var(--accent); color: #fff; background: var(--accent); }
.opt.right .opt-key { border-color: var(--ok); color: #fff; background: var(--ok); }
.opt.wrong .opt-key { border-color: var(--err); color: #fff; background: var(--err); }
.quiz-explain { margin-top: 10px; padding: 10px 12px; border-radius: 9px; font-size: 13.5px; background: #F7F8FD; border: 1px solid var(--line); color: var(--ink-2); display: none; }
.quiz-explain.show { display: block; }
.quiz-explain b { color: var(--accent); }

.quiz-result { padding: 20px; text-align: center; }
.quiz-result .score { font-size: 34px; font-weight: 800; letter-spacing: -1px; }
.quiz-result .verdict { font-size: 15px; margin: 6px 0 14px; }

/* --- 欢迎页 / 阶段封面 --- */
.hero { text-align: center; padding: 40px 20px 24px; }
.hero .big { font-size: 56px; }
.hero h1 { font-size: 30px; margin: 10px 0 8px; letter-spacing: -.4px; }
.hero p { color: var(--ink-2); max-width: 560px; margin: 0 auto 6px; }
.stat-row { display: flex; gap: 12px; justify-content: center; margin: 22px 0 8px; flex-wrap: wrap; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 12px 20px; min-width: 96px; box-shadow: var(--shadow); }
.stat b { display: block; font-size: 22px; font-weight: 800; color: var(--accent); font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }

.stage-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin-top: 20px; }
.stage-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; cursor: pointer; transition: .18s; box-shadow: var(--shadow); position: relative; overflow: hidden; }
.stage-card:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(30,35,51,.07), 0 12px 30px rgba(30,35,51,.08); }
.stage-card.locked { cursor: not-allowed; opacity: .68; }
.stage-card.locked:hover { transform: none; }
.stage-card .top { height: 4px; position: absolute; left: 0; top: 0; right: 0; }
.stage-card .em { font-size: 30px; }
.stage-card h3 { margin: 8px 0 4px; font-size: 15.5px; line-height: 1.45; }
.stage-card p { margin: 0; font-size: 13px; color: var(--muted); line-height: 1.6; }
.stage-card .st { margin-top: 10px; font-size: 12px; font-weight: 650; }
.stage-card .st.ok { color: var(--ok); }
.stage-card .st.no { color: var(--muted); }

/* --- 阶段导航（上一课/下一课） --- */
.pager { display: flex; gap: 12px; margin-top: 28px; }
.pager .btn { height: 40px; padding: 0 18px; font-size: 14px; }
.pager .spacer { flex: 1; }

/* --- 锁定提示 --- */
.lock-note { padding: 14px 16px; border-radius: 10px; background: var(--warn-soft); border: 1px solid #F3E0BC; color: #8A5A08; font-size: 14px; margin-bottom: 16px; }

/* --- 吐司 --- */
.toast-host { position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%); z-index: 999; display: flex; flex-direction: column; gap: 8px; align-items: center; pointer-events: none; }
.toast { background: #1E2333; color: #fff; padding: 10px 18px; border-radius: 99px; font-size: 13.5px; box-shadow: 0 8px 24px rgba(0,0,0,.18); animation: pop .25s ease; }
.toast.ok { background: #16A34A; }
.toast.err { background: #DC2626; }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.96); } to { opacity: 1; transform: none; } }

/* --- 小节标题 --- */
.sec-title { font-size: 18px; font-weight: 700; margin: 26px 0 12px; display: flex; align-items: center; gap: 8px; }
.sec-title::before { content: ''; width: 4px; height: 17px; border-radius: 3px; background: var(--accent); }

/* ============================ 响应式 ============================ */
@media (max-width: 1000px) {
  .sidebar { position: fixed; left: 0; top: 60px; bottom: 0; z-index: 40; transform: translateX(-100%); transition: transform .22s; box-shadow: 0 0 40px rgba(0,0,0,.12); }
  .sidebar.open { transform: none; }
  .content { padding: 20px 16px 100px; }
  .progress-wrap { display: none; }
}

/* ============================ 自动补全弹层 ============================ */
.ed-ac {
  position: absolute; z-index: 30; min-width: 320px; max-width: 420px;
  background: #fff; border: 1px solid var(--line-2); border-radius: 9px;
  box-shadow: 0 8px 26px rgba(30, 35, 51, .16); overflow: hidden;
  font-size: 12.5px;
}
.ed-ac-row {
  display: flex; align-items: baseline; gap: 7px; padding: 6px 11px;
  cursor: pointer; border-bottom: 1px solid #F4F5FA; white-space: nowrap;
}
.ed-ac-row:last-child { border-bottom: 0; }
.ed-ac-row:hover { background: #F7F8FD; }
.ed-ac-row.sel { background: var(--accent-soft); }
.ed-ac-name { font-family: var(--mono); font-weight: 700; color: #5544D6; flex: none; }
.ed-ac-arity {
  font-family: var(--mono); font-size: 10.5px; color: #fff; background: #B9BFD2;
  border-radius: 99px; padding: 0 6px; flex: none;
}
.ed-ac-row.sel .ed-ac-arity { background: var(--accent); }
.ed-ac-desc { color: var(--muted); overflow: hidden; text-overflow: ellipsis; }

/* ============================ 函数速查面板 ============================ */
.ref-overlay {
  position: fixed; inset: 0; z-index: 200; background: rgba(30, 35, 51, .42);
  display: flex; align-items: center; justify-content: center; padding: 30px;
}
.ref-modal {
  background: #fff; border-radius: 14px; width: min(760px, 100%); max-height: 100%;
  display: flex; flex-direction: column; box-shadow: 0 20px 60px rgba(0, 0, 0, .25);
  overflow: hidden;
}
.ref-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 18px; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 16px;
}
.ref-search { padding: 12px 18px; border-bottom: 1px solid var(--line); }
.ref-search input {
  width: 100%; height: 36px; padding: 0 12px; border: 1px solid var(--line-2);
  border-radius: 8px; font-size: 14px; font-family: inherit; outline: none;
}
.ref-search input:focus { border-color: var(--accent); }
.ref-body { overflow-y: auto; padding: 6px 18px 20px; }
.ref-mod { margin-top: 14px; }
.ref-mod-h {
  font-family: var(--mono); font-weight: 800; color: var(--accent);
  font-size: 14px; padding-bottom: 6px; border-bottom: 1px dashed var(--line-2);
}
.ref-mod-h span {
  font-family: -apple-system, "PingFang SC", sans-serif; font-weight: 500;
  color: var(--muted); font-size: 12.5px; margin-left: 8px;
}
.ref-fn {
  display: flex; align-items: baseline; gap: 8px; padding: 5px 8px;
  border-radius: 6px; font-size: 13px;
}
.ref-fn:hover { background: #F7F8FD; }
.ref-fn-name { font-family: var(--mono); font-weight: 700; color: #1E2333; flex: none; }
.ref-fn-arity { font-family: var(--mono); font-size: 11px; color: var(--muted); flex: none; }
.ref-fn-desc { color: var(--ink-2); }

/* ============================ 成就系统 ============================ */
.ach-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.ach {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 14px 12px; text-align: center; box-shadow: var(--shadow);
  position: relative; overflow: hidden; transition: .18s;
}
.ach.locked { opacity: .5; filter: grayscale(1); }
.ach.got { border-color: #F3E0BC; background: linear-gradient(180deg, #FFFBEF, #fff); }
.ach-em { font-size: 30px; line-height: 1.2; }
.ach-name { font-weight: 700; font-size: 13.5px; margin-top: 6px; line-height: 1.4; }
.ach-desc { font-size: 11.5px; color: var(--muted); margin-top: 3px; line-height: 1.5; }
.ach-got-tag {
  position: absolute; top: 6px; right: 6px; font-size: 10px; font-weight: 800;
  background: var(--ok); color: #fff; border-radius: 99px; padding: 1px 7px;
}

/* 成就解锁弹窗 */
.ach-pop {
  position: fixed; right: 24px; bottom: 24px; z-index: 300;
  background: #fff; border: 1px solid #F3E0BC; border-radius: 14px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, .18); padding: 14px 18px;
  display: flex; align-items: center; gap: 14px; min-width: 290px;
  animation: achIn .4s cubic-bezier(.2, .9, .3, 1.2);
}
@keyframes achIn { from { opacity: 0; transform: translateX(40px) scale(.94); } to { opacity: 1; transform: none; } }
.ach-pop .pop-em { font-size: 38px; line-height: 1; }
.ach-pop .pop-t { font-size: 11px; font-weight: 800; letter-spacing: 1px; color: var(--warn); }
.ach-pop .pop-n { font-weight: 800; font-size: 15px; margin: 2px 0; }
.ach-pop .pop-d { font-size: 12px; color: var(--muted); line-height: 1.5; }