:root {
  --ink: #1c1915;
  --muted: #6d655c;
  --line: #e4ddd3;
  --paper: #f6f3ee;
  --card: #fffcf8;
  --accent: #8c4a32;
  --good: #2f6b4f;
  --warn: #8a5a12;
  --bad: #8d2f2f;
  --shadow: 0 16px 40px rgba(48, 36, 24, 0.06);
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Avenir Next", "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
}
button, input, select { font: inherit; color: inherit; }
.app { display: grid; grid-template-columns: 280px 1fr; min-height: 100vh; }
.side {
  padding: 28px 22px;
  border-right: 1px solid var(--line);
  background: #fbf8f4;
}
.mark {
  font-family: "Iowan Old Style", Palatino, "Songti SC", serif;
  font-size: 28px;
  letter-spacing: 0.08em;
}
.side-note { color: var(--muted); line-height: 1.6; font-size: 14px; }
.project-list { display: grid; gap: 8px; margin-top: 22px; }
.project-chip, .btn {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 12px;
  padding: 12px 14px;
  text-align: left;
  cursor: pointer;
}
.project-chip.active { border-color: var(--ink); }
.project-chip b { display: block; }
.project-chip span { color: var(--muted); font-size: 12px; }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: default; }
.main { padding: 36px 48px 64px; max-width: 980px; }
h1, h2 { font-family: "Iowan Old Style", Palatino, "Songti SC", serif; font-weight: 500; }
h1 { font-size: 40px; margin: 0 0 8px; }
.lede { color: var(--muted); line-height: 1.7; margin-top: 0; }
.form, .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--shadow);
}
.form { display: grid; gap: 14px; margin-top: 24px; }
label { display: grid; gap: 6px; font-size: 13px; color: var(--muted); }
input, select {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  background: #fff;
}
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.error { color: var(--bad); font-size: 14px; min-height: 1.2em; }
.checks { display: grid; gap: 16px; margin-top: 28px; }
.card h2 { margin: 0 0 6px; font-size: 26px; }
.card p { color: var(--muted); line-height: 1.65; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.engines { display: flex; gap: 14px; font-size: 14px; color: var(--ink); }
.progress { margin-top: 14px; }
.bar { height: 8px; background: #efe8df; border-radius: 99px; overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--accent); width: 0; }
.progress small { color: var(--muted); }
.issue, .theme, .result {
  border-top: 1px solid var(--line);
  padding: 12px 0;
}
.level { font-size: 12px; letter-spacing: 0.04em; }
.level.高, .bad { color: var(--bad); }
.level.中 { color: var(--warn); }
.level.低, .good { color: var(--good); }
.score { font-family: "Iowan Old Style", Palatino, serif; font-size: 56px; margin: 8px 0; }
.empty { color: var(--muted); padding: 48px 0; }
.gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
}
.auth { width: min(460px, 100%); }
.account { margin: 18px 0 8px; font-size: 13px; color: var(--muted); word-break: break-all; }
.note { color: var(--good); font-size: 14px; min-height: 1.2em; }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .side { border-right: 0; border-bottom: 1px solid var(--line); }
  .main { padding: 24px 18px 48px; }
  .row { grid-template-columns: 1fr; }
}