/* 菌护禾 · 招募评估 —— 极简样式
 * 白底黑字、细线、无阴影、无圆角、单一强调色（黑）。
 */
:root {
  --ink: #111111;
  --ink-2: #555555;
  --ink-3: #888888;
  --line: #e4e4e4;
  --line-strong: #111111;
  --bg: #ffffff;
  --bg-2: #f7f7f7;
  --accent: #111111;
  --max: 700px;
}

* { box-sizing: border-box; }

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

/* ---------- header ---------- */
.topbar {
  max-width: var(--max);
  margin: 0 auto;
  padding: 28px 20px 18px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line-strong);
}
.brand { display: flex; align-items: baseline; gap: 12px; }
.logo { display: none; }
.topbar h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 600;
  letter-spacing: .04em;
  line-height: 1.25;
}
.topbar .sub {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--ink-2);
  letter-spacing: .06em;
}
.topbar .sub .dot { color: var(--ink-3); margin: 0 2px; }
.intro-actions { margin-top: 22px; }
.project h3 { margin-top: 22px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.badge { display: none; }

/* ---------- layout ---------- */
main { max-width: var(--max); margin: 0 auto; padding: 28px 20px 72px; }

.card, .panel {
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  padding: 24px 0 8px;
  margin: 0 0 8px;
}
.card:first-child { border-top: 0; padding-top: 0; }

h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: .02em;
}
h3 {
  font-size: 14px;
  font-weight: 600;
  margin: 20px 0 8px;
}
.hint { color: var(--ink-2); font-size: 13px; margin: 8px 0; }
.hidden { display: none !important; }

.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.row.end { justify-content: flex-end; margin-top: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 700px) { .grid-3 { grid-template-columns: 1fr; gap: 14px; } }

label { display: flex; flex-direction: column; gap: 6px; font-size: 12px; color: var(--ink-2); }
label > span, label { letter-spacing: .03em; }
input, select, textarea {
  font: inherit;
  color: var(--ink);
  background: var(--bg);
  border: 1px solid var(--line-strong);
  border-radius: 0;
  padding: 9px 10px;
  width: 100%;
}
textarea { resize: vertical; line-height: 1.7; }
input:focus, select:focus, textarea:focus {
  outline: 1px solid var(--line-strong);
  outline-offset: 1px;
}

/* ---------- buttons ---------- */
.btn {
  font: inherit;
  font-size: 13px;
  letter-spacing: .03em;
  cursor: pointer;
  border-radius: 0;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  background: var(--bg);
  color: var(--ink);
  transition: background .12s ease, color .12s ease;
}
.btn.primary { background: var(--accent); color: #fff; }
.btn.primary:hover { background: #000; }
.btn.ghost:hover { background: var(--bg-2); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn:disabled { opacity: .35; cursor: not-allowed; }

/* ---------- stepper ---------- */
.stepper { margin: 22px 0 8px; }
.stepper ol {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 10px;
}
.stepper li {
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink-3);
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}
.stepper li span {
  display: inline-block;
  margin-right: 6px;
  font-variant-numeric: tabular-nums;
}
.stepper li.active { color: var(--ink); border-bottom-color: var(--line-strong); }
.stepper li.done { color: var(--ink-2); border-bottom-color: var(--ink-3); }
.progress { display: none; }

/* ---------- team ---------- */
.team-card { border-top: 0; padding-top: 0; }
#project-title { font-size: 28px; letter-spacing: .01em; }
.team-card h2 { font-size: 20px; margin: 6px 0 10px; }
.team-card .q-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-3);
  border: 0;
  padding: 0;
  background: none;
}
.team-card p { margin: 6px 0; }

/* ---------- roles ---------- */
.role-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  margin-top: 12px;
}
@media (max-width: 700px) { .role-grid { grid-template-columns: 1fr; } }
.role-card {
  border: 0;
  border-bottom: 1px solid var(--line);
  border-right: 1px solid var(--line);
  padding: 14px 14px 14px 0;
  cursor: pointer;
  background: transparent;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background .12s ease;
}
.role-card:nth-child(2n) { border-right: 0; padding-left: 14px; padding-right: 0; }
.role-card:hover { background: var(--bg-2); }
.role-card.selected { background: var(--bg-2); box-shadow: inset 3px 0 0 var(--line-strong); }
.role-card .role-name { font-size: 14px; font-weight: 600; }
.role-card .role-mission { font-size: 12px; color: var(--ink-2); }
.role-card .role-tags { display: none; }

/* ---------- questions ---------- */
.q-card {
  border: 0;
  border-top: 1px solid var(--line);
  padding: 22px 0 10px;
  margin: 0;
}
.q-tag {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink-3);
  background: none;
  padding: 0;
  border-radius: 0;
}
.q-title {
  font-size: 15px;
  font-weight: 600;
  margin: 8px 0 14px;
  line-height: 1.6;
}
.q-options { display: grid; gap: 0; }
.opt {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 11px 2px;
  font-size: 14px;
  background: transparent;
  transition: background .12s ease;
}
.opt:first-child { border-top: 1px solid var(--line); }
.opt:hover { background: var(--bg-2); }
.opt input {
  width: auto;
  margin: 4px 0 0;
  accent-color: var(--accent);
}
.opt.selected { background: var(--bg-2); box-shadow: inset 3px 0 0 var(--line-strong); }

/* ---------- text ---------- */
p { margin: 8px 0; }
ul.clean { margin: 6px 0 10px; padding-left: 18px; }
ul.clean li { margin: 4px 0; font-size: 14px; }
code {
  background: var(--bg-2);
  padding: 1px 5px;
  font-size: 12.5px;
  border: 1px solid var(--line);
}

/* ---------- QA ---------- */
.qa-list { display: grid; gap: 0; margin-top: 8px; }
.qa-item { border-top: 1px solid var(--line); padding: 16px 0 6px; }
.qa-item .q-num { font-size: 11px; letter-spacing: .06em; color: var(--ink-3); }
.qa-item .q-text { margin: 6px 0 10px; font-weight: 600; }

/* ---------- results / report ---------- */
.result { margin-top: 18px; border-top: 1px solid var(--line-strong); padding-top: 16px; }
.score-row { display: flex; align-items: center; gap: 10px; margin: 6px 0; }
.score-label { width: 150px; font-size: 12.5px; color: var(--ink-2); flex: none; }
.score-bar { flex: 1; height: 2px; background: var(--line); }
.score-bar > i { display: block; height: 2px; background: var(--accent); }
.score-val { width: 42px; text-align: right; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.note { font-size: 11.5px; color: var(--ink-3); margin-top: 16px; }

.big-score { display: flex; align-items: baseline; gap: 10px; margin: 4px 0 8px; }
.big-score b { font-size: 56px; font-weight: 400; line-height: 1; letter-spacing: -.02em; }
.big-score span { color: var(--ink-3); font-size: 12px; letter-spacing: .04em; }
.verdict {
  display: inline-block;
  font-size: 11.5px;
  letter-spacing: .04em;
  border: 1px solid var(--line-strong);
  padding: 1px 8px;
  margin-left: 6px;
  background: none;
}
.dim-grid { margin: 10px 0 6px; }
.split {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin: 18px 0;
  border-top: 1px solid var(--line);
}
@media (max-width: 700px) { .split { grid-template-columns: 1fr; } }
.stat { border: 0; border-bottom: 1px solid var(--line); padding: 10px 12px 10px 0; background: none; }
.stat b { display: block; font-size: 22px; font-weight: 400; letter-spacing: -.01em; }
.stat span { font-size: 11px; color: var(--ink-3); letter-spacing: .03em; }
.report-block { margin-top: 20px; }
.report-block h3 { border-bottom: 1px solid var(--line); padding-bottom: 6px; }
.fit-block { margin: 2px 0; }

/* ---------- mail ---------- */
.check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 12.5px;
  margin: 12px 0;
  cursor: pointer;
}
.check input { width: auto; margin-top: 4px; accent-color: var(--accent); }
details.adv { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
details.adv summary { cursor: pointer; font-size: 12.5px; color: var(--ink-2); }
#mail-preview { background: var(--bg); }

/* ---------- settings ---------- */
.settings { border-top: 1px solid var(--line-strong); }
.panel-head { display: flex; align-items: center; justify-content: space-between; }

/* ---------- toast / footer ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: 34px;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  padding: 14px 22px;
  font-size: 15px;
  line-height: 1.5;
  z-index: 60;
  max-width: min(92vw, 560px);
  border: 1px solid var(--accent);
  box-shadow: 0 6px 24px rgba(0, 0, 0, .18);
}
.toast.ok { background: #0a7a3d; border-color: #0a7a3d; }
.toast.err { background: #a11212; border-color: #a11212; }
.disclaimer { font-size: 11.5px; color: var(--ink-3); margin-top: 36px; border-top: 1px solid var(--line); padding-top: 14px; }
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 18px 20px 28px;
  font-size: 11.5px;
  color: var(--ink-3);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
}
.footer a { color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--line); }
.footer a:hover { border-bottom-color: var(--ink); }

@media print {
  .topbar, .stepper, .footer, .row, #settings, #send-card, #toast, .btn { display: none !important; }
  body { font-size: 12px; }
  .card, .panel { border-top: 1px solid #ccc; }
  .big-score b { font-size: 40px; }
}

/* ---------- chat（AI 面试） ---------- */
#direction-cards { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 700px) { #direction-cards { grid-template-columns: 1fr; } }
.chat-log {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}
.chat-msg { display: flex; flex-direction: column; gap: 2px; }
.chat-msg .chat-who { font-size: 11px; letter-spacing: .06em; color: var(--ink-3); }
.chat-msg .chat-text { font-size: 14px; line-height: 1.7; white-space: normal; }
.chat-msg.assistant .chat-text { padding-right: 12%; }
.chat-msg.user { align-items: flex-end; }
.chat-msg.user .chat-text { padding-left: 12%; text-align: right; color: var(--ink); }
.chat-input-row { display: flex; gap: 10px; margin-top: 12px; align-items: flex-end; }
.chat-input-row textarea { flex: 1; }
.chat-input-row .btn { flex: none; }

/* ---------- 显眼提示 ---------- */
.notice {
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--line-strong);
  padding: 12px 14px;
  margin: 14px 0;
  font-size: 14px;
  line-height: 1.7;
  background: #fffbe6;
}
.notice.err { background: #fff2f2; border-left-color: #a11212; }
.notice.ok { background: #eefaf1; border-left-color: #0a7a3d; }
.warn-text { display: inline-block; border-bottom: 2px solid currentColor; padding-bottom: 1px; }
.q-card.error {
  border-left: 4px solid #a11212;
  background: #fff7f7;
  padding-left: 12px;
  margin-left: -12px;
}


/* ---------- 发送兜底 ---------- */
.fallback-box {
  margin-top: 22px;
  border-top: 1px dashed var(--line-strong);
  padding-top: 16px;
}
.fallback-box .btn { margin-right: 4px; }


/* ---------- 出分后的提示（顶部，轻量） ---------- */
.big-warning {
  margin: 0 0 14px;
  padding: 8px 12px;
  border: 1px solid #a11212;
  background: #fff6f6;
  color: #a11212;
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  letter-spacing: .02em;
}


/* 必填标记 */
.req { color: #a11212; font-weight: 600; }
input:invalid { border-color: #a11212; }

/* ---------- 极简版：摘要行 / 明文预览 ---------- */
.sum-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line-strong);
  font-size: 14px;
}
.sum-row span { color: var(--ink-2); }
.sum-row b { font-weight: 600; }
#plain-preview {
  width: 100%;
  margin-top: 12px;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.7;
  padding: 12px;
  border: 1px solid var(--line-strong);
  background: var(--bg-2);
  color: var(--ink-2);
  resize: vertical;
}