:root {
  --green: #1f6549;
  --green-dark: #154d37;
  --soft-green: #edf4ef;
  --paper: #fff;
  --muted: #68736b;
  --line: #e2e6e0;
  --orange: #b46132;
  --accent: var(--green);
  --sidebar-width: 236px;
  --content-max: 1560px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --radius-control: 8px;
  --radius-panel: 12px;
  --shadow-panel: 0 2px 10px rgb(24 43 28 / 4%);
}

.batch-group-list{grid-auto-rows:48px;gap:6px;max-height:270px}
.batch-group-option{display:grid;grid-template-columns:minmax(110px,170px) minmax(0,1fr) auto;align-items:center;gap:12px;min-width:0;min-height:48px;height:48px;overflow:hidden;padding:7px 12px;line-height:1.35}
.batch-group-option-type,.batch-group-option-label,.batch-group-option-status{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.batch-group-option-type{color:var(--green)}
.batch-group-option-label{color:var(--muted);font-size:12px}
.batch-group-option-status{color:var(--muted);font-size:12px}
.batch-group-summary strong{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2;line-height:1.4;overflow-wrap:anywhere}
.complete-answer-entry textarea{min-height:240px;font-family:"Times New Roman",Times,serif;font-size:12pt}
.complete-answer-table{min-width:720px;table-layout:fixed}
.complete-answer-table th:first-child{width:155px}
.complete-answer-table th:nth-child(2){width:70px}
.complete-answer-table th:nth-child(3){width:220px}
.complete-answer-table td{vertical-align:middle}
.complete-answer-table td:last-child{width:auto}
.complete-answer-table input,.complete-answer-table textarea,.complete-answer-table select{width:100%;min-width:0}
.complete-answer-table textarea{min-height:44px;font-family:"Times New Roman",Times,serif;font-size:12pt}
.complete-answer-confirm{display:flex;grid-template-columns:auto 1fr;align-items:center;gap:9px}
.complete-answer-confirm input{width:17px;height:17px;margin:0}
.complete-answer-preview-list{margin:0;padding-left:20px}
@media(max-width:650px){.batch-group-option{grid-template-columns:minmax(90px,125px) minmax(0,1fr) auto;gap:7px;padding:7px 9px}.batch-group-option-status{font-size:11px}}
@media(max-width:480px){.batch-group-option{grid-template-columns:minmax(0,1fr) auto;gap:2px 8px;height:56px;min-height:56px}.batch-group-list{grid-auto-rows:56px}.batch-group-option-label{grid-column:1/-1;grid-row:2}.batch-group-option-status{grid-column:2;grid-row:1}}

body {
  color: #20251f;
  background: #f6f5f1;
  font-size: 14px;
  line-height: 1.55;
}

.sidebar {
  width: var(--sidebar-width);
}

.main {
  width: calc(100% - var(--sidebar-width));
  max-width: var(--content-max);
  margin-left: var(--sidebar-width);
  padding: 28px clamp(24px, 3vw, 48px) 64px;
}

.sidebar-collapsed .main {
  width: calc(100% - 68px);
}

.topbar {
  min-height: 48px;
  margin-bottom: var(--space-6);
}

.topbar h1 {
  font-size: 18px;
  letter-spacing: 0;
}

.page-intro {
  align-items: center;
  gap: var(--space-4);
  margin: 0 0 var(--space-5);
}

.page-intro h2,
.section-heading {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
}

.page-intro p {
  max-width: 76ch;
  margin: var(--space-1) 0 0;
  color: var(--muted);
  font-size: 12px;
}

.page-actions {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-3);
}

.stats,
.grid-two,
.group-list,
.stack {
  gap: var(--space-4);
}

.stats {
  margin-bottom: var(--space-5);
}

.card,
.group-card,
.stat,
.answer-group {
  border: 1px solid var(--line);
  border-radius: var(--radius-panel);
  box-shadow: var(--shadow-panel);
}

.card,
.group-card {
  padding: 20px;
}

.card h3,
.group-head h3 {
  margin: 0;
  font-size: 16px;
  line-height: 1.45;
}

.section-heading {
  margin: var(--space-6) 0 var(--space-4);
}

.toolbar {
  gap: var(--space-2);
}

button,
.primary,
.quiet,
input,
textarea,
select {
  border-radius: var(--radius-control);
}

button,
.primary,
.quiet {
  min-height: 38px;
  font-size: 14px;
}

input,
select {
  min-height: 40px;
  font-size: 14px;
}

textarea {
  font-size: 14px;
}

label,
.nav-button,
.user-box,
.notice,
.data-table,
.check-item {
  font-size: 14px;
}

.muted,
.hint,
small {
  color: var(--muted);
}

.primary {
  background: var(--green);
}

.quiet:hover {
  background: var(--soft-green);
  color: var(--green-dark);
}

.empty {
  padding: 40px 24px;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
}

.bulk-toolbar {
  justify-content: space-between;
  margin: var(--space-3) 0;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--paper);
}

.bulk-toolbar label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.bulk-toolbar input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.exam-template-preview,
.audio-player {
  border-radius: var(--radius-control);
}

.answer-question,
.answer-question p,
.answer-question input,
.answer-question textarea,
.answer-option,
.answer-option span,
.answer-material p,
.paper-question,
.paper-question p,
.paper-question .options-line,
.options-line,
.learning-items li,
.answer-number-item,
.answer-number-item p,
.child-row > div:nth-child(2) textarea,
.material-area textarea,
.review-item > div:first-child,
.review-item > div:first-child p,
.student-result-item p,
.material-area p,
.inline-cloze-blank input {
  font-family: "Times New Roman", Times, serif;
  font-size: 12pt;
}

.answer-material p,
.answer-question p,
.answer-question > div,
.answer-option span,
.paper-question p,
.paper-question .options-line,
.paper-question > div,
.material-area p,
.learning-items li,
.answer-number-item p,
.review-item > div:first-child p,
.student-result-item p {
  text-align: justify;
  text-justify: inter-word;
}

@media (max-width: 900px) {
  :root {
    --sidebar-width: 190px;
  }

  .main {
    padding: 24px;
  }
}

@media (max-width: 650px) {
  .sidebar {
    width: auto;
  }

  .main {
    width: 100%;
    margin: 0;
    padding: 20px 14px 40px;
  }

  .topbar {
    gap: var(--space-3);
  }

  .page-intro {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .card,
  .group-card {
    padding: 16px;
  }
}

@page {
  size: A4;
  margin: 18mm 20mm;
}

@media print {
  body.printing-paper {
    background: #fff;
    color: #000;
  }

  body.printing-paper .printing-target,
  body.printing-paper .printing-target * {
    visibility: visible !important;
  }

  body.printing-paper .printing-target {
    position: absolute;
    inset: 0 auto auto 0;
    width: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: #fff;
    box-shadow: none;
    color: #000;
    font-family: "Times New Roman", Times, serif;
    font-size: 12pt;
  }

  body.printing-paper .printing-target > summary,
  body.printing-paper .paper-actions,
  body.printing-paper .paper-print-header p,
  body.printing-paper .paper-group-tags,
  body.printing-paper .paper-group .audio-player,
  body.printing-paper .paper-group .replace-paper-group,
  body.printing-paper .paper-group .replace-paper-item,
  body.printing-paper .paper-group .material-area > strong {
    display: none !important;
  }

  body.printing-paper .printing-target .saved-paper-content {
    display: block;
    padding: 0;
  }

  body.printing-paper .paper-print-header {
    margin: 0 0 20px;
    text-align: center;
  }

  body.printing-paper .paper-print-header h2 {
    margin: 0;
    color: #000;
    font: 700 16pt/1.4 "Times New Roman", Times, serif;
  }

  body.printing-paper .paper-group {
    break-inside: auto;
    margin: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  body.printing-paper .paper-group + .paper-group {
    margin-top: 18px;
  }

  body.printing-paper .paper-group h4,
  body.printing-paper .exam-template-fixed-heading {
    color: #000;
    font-family: "Times New Roman", Times, serif;
    font-size: 12pt;
  }

  body.printing-paper .paper-group h4 {
    margin: 12px 0 8px;
  }

  body.printing-paper .exam-template-preview {
    display: block;
    padding: 0;
    border: 0;
    background: transparent;
    color: #000;
  }

  body.printing-paper .exam-template-preview article {
    padding: 0;
    border: 0;
  }

  body.printing-paper .material-area,
  body.printing-paper .paper-question {
    margin: 0;
    padding: 6px 0;
    border: 0;
    background: transparent;
    color: #000;
  }

  body.printing-paper .paper-question {
    break-inside: avoid;
  }

  body.printing-paper .paper-group p,
  body.printing-paper .paper-question p,
  body.printing-paper .options-line {
    color: #000;
    font-family: "Times New Roman", Times, serif;
    font-size: 12pt;
    line-height: 1.55;
    text-align: justify;
    text-justify: inter-word;
  }

  body.printing-paper .paper-group[data-question-type="writing"]::after {
    display: block;
    min-height: 320px;
    margin: 16px 0;
    background: repeating-linear-gradient(
      to bottom,
      transparent 0,
      transparent 23px,
      #888 23px,
      #888 24px
    );
    content: "";
  }

}