/* L05 Pronouns · 纸质测试 / PDF */
@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,700;12..96,800&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap");

:root {
  --ink: #0f2a2e;
  --muted: #5b7378;
  --teal: #0f8f86;
  --teal-deep: #0a6b65;
  --mint: #2ec4b6;
  --sand: #f0b429;
  --coral: #e85d4c;
  --paper: #f4faf8;
  --line: rgba(15, 42, 46, 0.12);
  --font: "Plus Jakarta Sans", "PingFang SC", "Microsoft YaHei", sans-serif;
  --display: "Bricolage Grotesque", "Plus Jakarta Sans", sans-serif;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse 70% 40% at 0% 0%, rgba(46, 196, 182, 0.22), transparent 55%),
    radial-gradient(ellipse 50% 35% at 100% 0%, rgba(240, 180, 41, 0.16), transparent 50%),
    linear-gradient(165deg, #d9f2ef, #f7faf9 55%);
}

.pt-toolbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  align-items: center;
  padding: 0.7rem 1rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 8px 24px rgba(10, 50, 55, 0.06);
}
.pt-toolbar a.back {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
  font-size: 0.88rem;
  margin-right: 0.35rem;
}
.pt-toolbar .grow { flex: 1; min-width: 0.5rem; }
.pt-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--teal-deep);
  background: rgba(15, 143, 134, 0.1);
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  cursor: pointer;
  user-select: none;
}
.pt-toggle input { accent-color: var(--teal); width: 1rem; height: 1rem; }
.pt-btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.55rem 1.05rem;
  font-weight: 800;
  font-family: inherit;
  cursor: pointer;
  font-size: 0.88rem;
  background: linear-gradient(145deg, var(--mint), var(--teal-deep));
  color: #fff;
}
.pt-btn.ghost {
  background: #fff;
  color: var(--muted);
  box-shadow: inset 0 0 0 1px var(--line);
}
.pt-btn.sand {
  background: linear-gradient(145deg, var(--sand), #e09112);
  color: #1a1408;
}
.pt-hint {
  width: min(920px, 100%);
  margin: 0.75rem auto 0;
  padding: 0 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.45;
}

/* —— Sheet (screen preview + print) —— */
.pt-sheet-wrap {
  width: min(920px, 100%);
  margin: 0.85rem auto 2.5rem;
  padding: 0 0.85rem;
}
.pt-sheet {
  background: #fff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(10, 50, 55, 0.12);
}
.pt-banner {
  position: relative;
  padding: 1.35rem 1.4rem 1.2rem;
  background:
    linear-gradient(125deg, #0a6b65 0%, #0f8f86 42%, #2ec4b6 78%, #f0b429 140%);
  color: #fff;
  overflow: hidden;
}
.pt-banner::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -50px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
}
.pt-banner::after {
  content: "";
  position: absolute;
  left: 18%;
  bottom: -60px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(240, 180, 41, 0.22);
}
.pt-banner .brand {
  position: relative;
  margin: 0;
  font-weight: 800;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  opacity: 0.92;
}
.pt-banner h1 {
  position: relative;
  margin: 0.35rem 0 0;
  font-family: var(--display);
  font-size: clamp(1.45rem, 4vw, 1.85rem);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.pt-banner .sub {
  position: relative;
  margin: 0.4rem 0 0;
  font-size: 0.9rem;
  font-weight: 600;
  opacity: 0.9;
}

.pt-body { padding: 1.15rem 1.35rem 1.4rem; }

.pt-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.pt-meta .field {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
  font-size: 0.88rem;
  font-weight: 700;
}
.pt-meta .line {
  flex: 1;
  border-bottom: 1.5px solid rgba(15, 42, 46, 0.28);
  height: 1.35rem;
}

.pt-note {
  margin: 0 0 1.1rem;
  padding: 0.75rem 0.9rem;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(240, 180, 41, 0.12));
  border-left: 4px solid var(--teal);
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--ink);
}
.pt-note ol { margin: 0.35rem 0 0; padding-left: 1.15rem; }

.pt-sec-title {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--teal-deep);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.pt-sec-title .badge {
  font-size: 0.68rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: rgba(15, 143, 134, 0.12);
  color: var(--teal-deep);
  letter-spacing: 0.04em;
}

.pt-table-wrap {
  overflow-x: auto;
  border-radius: 14px;
  border: 1.5px solid rgba(15, 143, 134, 0.25);
  margin-bottom: 1.25rem;
}
.pt-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
  font-size: 0.84rem;
}
.pt-table th, .pt-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.55rem 0.4rem;
  text-align: center;
  font-weight: 700;
}
.pt-table th {
  background: linear-gradient(180deg, #d8f3ef, #b8e8e1);
  color: var(--teal-deep);
  font-family: var(--display);
  font-size: 0.82rem;
}
.pt-table td:first-child, .pt-table th:first-child {
  text-align: left;
  padding-left: 0.7rem;
  white-space: nowrap;
  background: rgba(15, 143, 134, 0.04);
}
.pt-table tr:nth-child(even) td { background: #f7fcfb; }
.pt-table .blank-cell {
  color: transparent;
  border-bottom: 1.5px solid rgba(15, 42, 46, 0.35);
  min-width: 2.6em;
}
.pt-table.show-hints .blank-cell {
  color: var(--teal-deep);
  border-bottom-color: transparent;
  font-weight: 800;
}
.pt-table-hint-tag {
  display: none;
  margin: -0.35rem 0 0.75rem;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--coral);
}
.pt-sheet.hints-on .pt-table-hint-tag { display: block; }

.pt-qlist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
  counter-reset: q;
}
.pt-q {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.45rem;
  align-items: start;
  padding: 0.55rem 0.65rem;
  border-radius: 12px;
  background: #f7fcfb;
  border: 1px solid rgba(15, 143, 134, 0.12);
}
.pt-q:nth-child(odd) {
  background: linear-gradient(90deg, rgba(46, 196, 182, 0.08), #fff 55%);
}
.pt-q .num {
  font-family: var(--display);
  font-weight: 800;
  color: var(--mint);
  font-size: 0.95rem;
  padding-top: 0.1rem;
}
.pt-q .stem {
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.55;
  color: var(--ink);
}
.pt-q .stem .blank {
  display: inline-block;
  min-width: 4.2em;
  border-bottom: 1.8px solid var(--teal);
  margin: 0 0.15em;
  color: transparent;
  vertical-align: baseline;
}
.pt-q .meta {
  margin-top: 0.2rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
}
.pt-q .type-chip {
  display: inline-block;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(240, 180, 41, 0.2);
  color: #8a6408;
  margin-right: 0.35rem;
}

.pt-footer {
  margin-top: 1.2rem;
  padding-top: 0.85rem;
  border-top: 2px dashed rgba(15, 143, 134, 0.25);
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
}
.pt-score {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}
.pt-score .box {
  min-width: 4.5rem;
  height: 1.6rem;
  border: 1.5px solid rgba(15, 42, 46, 0.25);
  border-radius: 8px;
}

/* Answer key page */
.pt-answers {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 3px solid var(--teal);
  break-before: page;
  page-break-before: always;
}
.pt-answers h2 {
  margin: 0 0 0.65rem;
  font-family: var(--display);
  font-size: 1.1rem;
  color: var(--teal-deep);
}
.pt-answers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.35rem 0.75rem;
  font-size: 0.84rem;
  font-weight: 700;
}
.pt-answers-grid span { color: var(--muted); }
.pt-answers-grid b { color: var(--teal-deep); }

@media (max-width: 640px) {
  .pt-meta { grid-template-columns: 1fr; }
  .pt-answers-grid { grid-template-columns: repeat(2, 1fr); }
}

/* —— Print / PDF —— */
@media print {
  @page {
    size: A4;
    margin: 12mm 11mm 14mm;
  }
  body {
    background: #fff !important;
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }
  .pt-toolbar, .pt-hint, .no-print { display: none !important; }
  .pt-sheet-wrap { width: 100%; margin: 0; padding: 0; }
  .pt-sheet {
    box-shadow: none;
    border-radius: 0;
  }
  .pt-banner {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
    border-radius: 10px;
    padding: 10mm 8mm 8mm;
  }
  .pt-body { padding: 6mm 2mm 0; }
  .pt-q {
    break-inside: avoid;
    page-break-inside: avoid;
  }
  .pt-table-wrap { break-inside: avoid; }
  .pt-answers {
    break-before: page;
    page-break-before: always;
  }
}