.writing-ai-zone {
  --ai-ink: #17304f;
  --ai-blue: #225fca;
  --ai-blue-soft: #edf4ff;
  --ai-line: #d9e3ef;
  --ai-paper: #fbfdff;
  margin-top: 18px;
}

.writing-ai-action {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 14px;
}

.writing-ai-button {
  appearance: none;
  border: 1px solid var(--ai-blue);
  border-radius: 999px;
  background: var(--ai-blue);
  color: #fff;
  min-height: 42px;
  padding: 0 20px;
  font: inherit;
  font-weight: 800;
  letter-spacing: .02em;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(34, 95, 202, .18);
  transition: transform .18s ease, box-shadow .18s ease, opacity .18s ease;
}

.writing-ai-button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 11px 24px rgba(34, 95, 202, .24);
}

.writing-ai-button:disabled {
  cursor: wait;
  opacity: .65;
}

.writing-ai-hint {
  color: #6b7b8f;
  font-size: 13px;
  line-height: 1.5;
}

.writing-ai-output {
  margin-top: 16px;
  scroll-margin-top: 96px;
}

.writing-ai-output[hidden] {
  display: none !important;
}

.writing-ai-card {
  overflow: hidden;
  border: 1px solid var(--ai-line);
  border-radius: 18px;
  background: var(--ai-paper);
  color: var(--ai-ink);
  box-shadow: 0 16px 42px rgba(31, 55, 84, .09);
}

.writing-ai-card-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: start;
  padding: 20px 22px;
  border-bottom: 1px solid var(--ai-line);
  background:
    linear-gradient(135deg, rgba(34, 95, 202, .1), rgba(255, 255, 255, .15)),
    var(--ai-paper);
}

.writing-ai-kicker {
  display: block;
  margin-bottom: 6px;
  color: var(--ai-blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .16em;
}

.writing-ai-cache-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-top: 9px;
  border: 1px solid #b8ddc7;
  border-radius: 999px;
  background: #edf8f1;
  color: #267249;
  padding: 4px 9px;
  font-size: 10px;
  font-weight: 900;
}

.writing-ai-card h3,
.writing-ai-card h4,
.writing-ai-card p {
  margin: 0;
}

.writing-ai-card h3 {
  font-size: clamp(20px, 3vw, 27px);
  line-height: 1.2;
}

.writing-ai-score {
  min-width: 76px;
  text-align: right;
}

.writing-ai-score strong {
  display: block;
  color: var(--ai-blue);
  font-size: 30px;
  line-height: 1;
}

.writing-ai-score span {
  color: #708096;
  font-size: 11px;
}

.writing-ai-summary {
  padding: 18px 22px 4px;
  color: #40546c;
  line-height: 1.75;
}

.writing-ai-dimensions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 16px 22px 4px;
}

.writing-ai-dimension {
  padding: 14px;
  border: 1px solid var(--ai-line);
  border-radius: 12px;
  background: #fff;
}

.writing-ai-dimension-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 7px;
}

.writing-ai-dimension-head strong {
  font-size: 14px;
}

.writing-ai-dimension-head span {
  color: var(--ai-blue);
  font-weight: 900;
}

.writing-ai-dimension p {
  color: #5d6d80;
  font-size: 13px;
  line-height: 1.65;
}

.writing-ai-section {
  padding: 18px 22px 0;
}

.writing-ai-section h4 {
  margin-bottom: 10px;
  font-size: 14px;
  letter-spacing: .04em;
}

.writing-ai-list {
  margin: 0;
  padding-left: 20px;
  color: #40546c;
}

.writing-ai-list li + li {
  margin-top: 8px;
}

.writing-ai-correction {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr);
  gap: 10px;
  align-items: start;
  padding: 12px 0;
  border-top: 1px dashed var(--ai-line);
}

.writing-ai-correction:first-of-type {
  border-top: 0;
}

.writing-ai-correction blockquote {
  margin: 0;
  padding: 11px 12px;
  border-radius: 10px;
  background: #fff;
  color: #3f536c;
  font-size: 13px;
  line-height: 1.55;
}

.writing-ai-correction .is-revised {
  background: var(--ai-blue-soft);
  color: #183e79;
}

.writing-ai-arrow {
  padding-top: 10px;
  color: var(--ai-blue);
  text-align: center;
  font-weight: 900;
}

.writing-ai-explanation {
  grid-column: 1 / -1;
  color: #6a788a;
  font-size: 12px;
  line-height: 1.6;
}

.writing-ai-improved {
  margin: 10px 22px 0;
  padding: 16px;
  border-left: 4px solid var(--ai-blue);
  border-radius: 0 12px 12px 0;
  background: var(--ai-blue-soft);
}

.writing-ai-improved h4 {
  margin-bottom: 8px;
}

.writing-ai-improved p {
  color: #294b75;
  line-height: 1.7;
  white-space: pre-wrap;
}

.writing-ai-foot {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 18px;
  padding: 13px 22px;
  border-top: 1px solid var(--ai-line);
  color: #748397;
  font-size: 11px;
}

.writing-ai-error {
  padding: 15px 17px;
  border: 1px solid #efc8c3;
  border-radius: 12px;
  background: #fff5f3;
  color: #a33e31;
  line-height: 1.55;
}

.training-result-card.has-writing-review {
  position: relative;
  width: min(980px, calc(100% - 24px));
  max-height: min(90vh, 920px);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  touch-action: pan-y;
  padding: 22px;
}

.writing-result-toolbar {
  position: sticky;
  top: -1px;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: -10px -10px 18px;
  padding: 10px 12px;
  border: 1px solid #d7dee8;
  border-radius: 12px;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 24px rgba(23, 48, 79, .1);
  backdrop-filter: blur(12px);
}

.writing-result-toolbar-label {
  color: #40536d;
  font-size: 12px;
  font-weight: 900;
}

.writing-result-toolbar-actions {
  display: flex;
  gap: 7px;
}

.writing-result-toolbar button,
.writing-result-reopen {
  min-height: 34px;
  border: 1px solid #aebaca;
  border-radius: 8px;
  background: #fff;
  color: #334861;
  padding: 6px 11px;
  font: 850 12px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}

.writing-result-toolbar button:hover,
.writing-result-reopen:hover {
  border-color: #536a86;
  background: #f5f8fb;
}

.writing-result-toolbar button.is-close {
  border-color: #17304f;
  background: #17304f;
  color: #fff;
}

.writing-result-toolbar button[hidden],
.writing-result-reopen[hidden] {
  display: none;
}

.writing-result-reopen {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 80;
  border-color: #225fca;
  background: #225fca;
  color: #fff;
  box-shadow: 0 12px 28px rgba(34, 95, 202, .28);
}

.training-result-card.has-writing-review::-webkit-scrollbar {
  width: 11px;
}

.training-result-card.has-writing-review::-webkit-scrollbar-track {
  background: #eef2f6;
}

.training-result-card.has-writing-review::-webkit-scrollbar-thumb {
  border: 3px solid #eef2f6;
  border-radius: 999px;
  background: #7d8ca0;
}

.writing-ai-review {
  --review-red: #c92f3f;
  --review-red-soft: #fff0f1;
  --review-amber: #a8620a;
  --review-amber-soft: #fff5df;
  --review-blue: #2365ae;
  --review-blue-soft: #edf5ff;
  margin: 18px 22px 4px;
  overflow: hidden;
  border: 1px solid #cfd8e4;
  border-radius: 16px;
  background: #e9edf2;
  box-shadow: 0 18px 38px rgba(32, 46, 65, .12);
}

.writing-review-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px;
  border-bottom: 1px solid #cfd8e4;
  background: #fff;
}

.writing-review-kicker {
  display: block;
  margin-bottom: 5px;
  color: #768295;
  font: 900 10px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .18em;
}

.writing-review-head h4 {
  color: #17233a;
  font: 700 24px/1.15 Georgia, "Songti SC", serif;
}

.writing-review-head p {
  margin-top: 7px;
  color: #667388;
  font-size: 12px;
  line-height: 1.55;
}

.writing-review-tools {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.writing-review-tool {
  min-height: 36px;
  border: 1px solid #b7c2d0;
  border-radius: 8px;
  background: #fff;
  color: #35445a;
  padding: 7px 12px;
  font: 800 12px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}

.writing-review-tool:hover {
  border-color: #718097;
  background: #f5f7fa;
}

.writing-review-tool.is-primary {
  border-color: #1e477a;
  background: #1e477a;
  color: #fff;
}

.writing-review-legend {
  display: flex;
  gap: 8px 16px;
  flex-wrap: wrap;
  padding: 10px 20px;
  border-bottom: 1px solid #cfd8e4;
  background: #f8fafc;
  color: #5e6d81;
  font-size: 11px;
  font-weight: 800;
}

.writing-review-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.writing-review-legend span::before {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  content: "";
}

.writing-review-legend .is-grammar { color: var(--review-red); }
.writing-review-legend .is-vocabulary { color: var(--review-amber); }
.writing-review-legend .is-cohesion { color: var(--review-blue); }
.writing-review-legend .is-task { color: #5362a9; }

.writing-review-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(280px, .72fr);
  gap: 0;
  height: min(54vh, 560px);
  min-height: 420px;
  max-height: 560px;
}

.writing-review-paper {
  min-width: 0;
  overflow: auto;
  border-right: 1px solid #c8d1dc;
  background:
    linear-gradient(90deg, transparent 52px, rgba(197, 64, 73, .13) 53px, transparent 54px),
    repeating-linear-gradient(#fff 0, #fff 31px, #edf1f5 32px);
}

.writing-review-paper-top {
  position: sticky;
  top: 0;
  z-index: 3;
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid #dce2e9;
  background: rgba(255, 255, 255, .94);
  color: #7b8798;
  font: 900 10px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
  letter-spacing: .12em;
  backdrop-filter: blur(8px);
}

.writing-review-status {
  color: #42546c;
  letter-spacing: 0;
}

.writing-review-paper-body {
  padding: 32px 42px 80px 72px;
  color: #1b2638;
  font: 17px/1.9 Georgia, "Times New Roman", serif;
  white-space: pre-wrap;
  word-break: break-word;
}

.writing-review-mark {
  position: relative;
  display: inline;
  margin: 0;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: inherit;
  padding: 1px 0;
  font: inherit;
  text-align: inherit;
  cursor: pointer;
  text-decoration-line: underline;
  text-decoration-style: wavy;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
}

.writing-review-mark sup {
  display: inline-grid;
  place-items: center;
  min-width: 16px;
  height: 16px;
  margin-left: 2px;
  border-radius: 50%;
  color: #fff;
  font: 900 9px/1 "Segoe UI", sans-serif;
  vertical-align: super;
}

.writing-review-mark.is-grammar {
  background: linear-gradient(transparent 62%, rgba(201, 47, 63, .13) 62%);
  text-decoration-color: var(--review-red);
}

.writing-review-mark.is-grammar sup { background: var(--review-red); }

.writing-review-mark.is-vocabulary {
  background: linear-gradient(transparent 62%, rgba(168, 98, 10, .14) 62%);
  text-decoration-color: var(--review-amber);
}

.writing-review-mark.is-vocabulary sup { background: var(--review-amber); }

.writing-review-mark.is-cohesion,
.writing-review-mark.is-task,
.writing-review-mark.is-development {
  background: linear-gradient(transparent 62%, rgba(35, 101, 174, .13) 62%);
  text-decoration-color: var(--review-blue);
}

.writing-review-mark.is-cohesion sup,
.writing-review-mark.is-task sup,
.writing-review-mark.is-development sup { background: var(--review-blue); }

.writing-review-mark.is-active {
  outline: 3px solid rgba(31, 71, 122, .18);
  outline-offset: 2px;
}

.writing-review-mark.is-accepted {
  background: #e5f6eb;
  color: #17603a;
  text-decoration-color: #2b8d59;
  text-decoration-style: solid;
}

.writing-review-mark.is-accepted sup { background: #2b8d59; }

.writing-review-mark.is-ignored {
  opacity: .55;
  background: transparent;
  text-decoration-color: #aeb7c2;
}

.writing-review-comments {
  overflow: auto;
  padding: 12px;
  background: #eef1f5;
}

.writing-review-comment {
  margin-bottom: 10px;
  overflow: hidden;
  border: 1px solid #d5dde7;
  border-left: 4px solid #7c8999;
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 5px 13px rgba(33, 47, 65, .06);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease;
}

.writing-review-comment:hover,
.writing-review-comment.is-active {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(33, 47, 65, .11);
}

.writing-review-comment.is-grammar { border-left-color: var(--review-red); }
.writing-review-comment.is-vocabulary { border-left-color: var(--review-amber); }
.writing-review-comment.is-cohesion,
.writing-review-comment.is-task,
.writing-review-comment.is-development { border-left-color: var(--review-blue); }

.writing-review-comment.is-active { border-color: #8da8c8; }
.writing-review-comment.is-accepted { background: #f2fbf5; }
.writing-review-comment.is-ignored { opacity: .58; }

.writing-review-comment header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px 0;
}

.writing-review-comment header strong {
  margin-left: auto;
  color: #8490a0;
  font-size: 11px;
}

.writing-review-badge {
  border-radius: 999px;
  background: #eef1f5;
  color: #4e5d71;
  padding: 4px 8px;
  font-size: 10px;
  font-weight: 900;
}

.is-grammar .writing-review-badge { background: var(--review-red-soft); color: var(--review-red); }
.is-vocabulary .writing-review-badge { background: var(--review-amber-soft); color: var(--review-amber); }
.is-cohesion .writing-review-badge,
.is-task .writing-review-badge,
.is-development .writing-review-badge { background: var(--review-blue-soft); color: var(--review-blue); }

.writing-review-close {
  display: none;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 50%;
  background: #edf1f5;
  color: #4e5d71;
  font-size: 19px;
  line-height: 1;
}

.writing-review-comment blockquote {
  margin: 10px 12px 0;
  padding: 9px 10px;
  border-left: 2px solid #d7dee7;
  background: #f7f9fb;
  color: #344257;
  font: italic 13px/1.55 Georgia, "Times New Roman", serif;
}

.writing-review-replacement {
  margin: 8px 12px 0;
  padding: 9px 10px;
  border-radius: 7px;
  background: #edf8f1;
}

.writing-review-replacement span {
  display: block;
  margin-bottom: 3px;
  color: #35835a;
  font-size: 9px;
  font-weight: 950;
  letter-spacing: .12em;
}

.writing-review-replacement p {
  color: #20583d;
  font: 600 13px/1.5 Georgia, "Times New Roman", serif;
}

.writing-review-comment-copy {
  padding: 10px 12px 0;
  color: #5e6b7d;
  font-size: 12px;
  line-height: 1.6;
}

.writing-review-comment-actions {
  display: flex;
  gap: 6px;
  padding: 10px 12px 12px;
}

.writing-review-comment-actions button {
  min-height: 30px;
  border: 1px solid #cbd4df;
  border-radius: 6px;
  background: #fff;
  color: #536277;
  padding: 5px 8px;
  font: 800 10px/1.2 "Segoe UI", "Microsoft YaHei", sans-serif;
  cursor: pointer;
}

.writing-review-comment-actions button:hover { border-color: #8795a8; }

.writing-review-comment-actions .is-accept {
  border-color: #b8ddc7;
  background: #ecf8f1;
  color: #287349;
}

@media (max-width: 640px) {
  .writing-ai-card-head,
  .writing-ai-dimensions {
    grid-template-columns: 1fr;
  }

  .writing-ai-score {
    text-align: left;
  }

  .writing-ai-correction {
    grid-template-columns: 1fr;
  }

  .writing-ai-arrow {
    padding: 0;
    text-align: left;
    transform: rotate(90deg);
    transform-origin: center;
    width: 20px;
  }

  .writing-ai-foot {
    flex-direction: column;
  }
}

@media (max-width: 1040px) {
  .training-result-card.has-writing-review {
    width: min(900px, calc(100% - 16px));
  }

  .writing-review-head {
    align-items: stretch;
    flex-direction: column;
  }

  .writing-review-tools {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .writing-review-grid {
    grid-template-columns: minmax(0, 1fr) minmax(250px, .72fr);
  }

  .writing-review-paper-body {
    padding: 28px 28px 68px 48px;
  }
}

@media (max-width: 720px) {
  .training-result-card.has-writing-review {
    padding: 14px;
  }

  .writing-result-toolbar {
    margin: -6px -6px 14px;
  }

  .writing-result-toolbar-label {
    display: none;
  }

  .writing-result-toolbar-actions {
    width: 100%;
  }

  .writing-result-toolbar-actions button {
    flex: 1 1 auto;
  }

  .writing-result-reopen {
    right: 12px;
    bottom: 12px;
  }

  .writing-ai-review {
    margin: 14px 12px 4px;
    overflow: visible;
  }

  .writing-review-grid {
    display: block;
    height: 58vh;
    min-height: 440px;
    max-height: none;
  }

  .writing-review-paper {
    height: 100%;
    border-right: 0;
  }

  .writing-review-paper-body {
    padding: 24px 18px 72px 36px;
    font-size: 16px;
  }

  .writing-review-comments {
    display: none;
  }

  .writing-review-comments.is-open {
    position: fixed;
    inset: auto 10px 10px;
    z-index: 120;
    display: block;
    max-height: min(58vh, 460px);
    overflow: auto;
    border: 1px solid #aeb9c8;
    border-radius: 14px;
    background: #e9edf2;
    box-shadow: 0 24px 70px rgba(18, 29, 44, .35);
  }

  .writing-review-comments.is-open .writing-review-comment {
    display: none;
    margin: 0;
  }

  .writing-review-comments.is-open .writing-review-comment.is-active {
    display: block;
  }

  .writing-review-close {
    display: inline-grid;
    place-items: center;
  }
}

@media (max-width: 480px) {
  .writing-review-tools {
    grid-template-columns: 1fr;
  }

  .writing-review-legend {
    gap: 7px 12px;
  }
}