:root {
  color-scheme: light;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  --bg: #f5f2ec;
  --panel: #fffdf8;
  --line: #ddd6c9;
  --text: #24221f;
  --muted: #716b61;
  --red: #b42318;
  --red-soft: #fff0ed;
  --amber: #946200;
  --amber-soft: #fff7df;
  --green: #167653;
  --green-soft: #e8f7ef;
  --teal: #0f766e;
  --ink: #30302c;
  --shadow: 0 18px 50px rgba(50, 43, 35, 0.1);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(180deg, rgba(255, 253, 248, 0.7), rgba(245, 242, 236, 0.95)),
    var(--bg);
  color: var(--text);
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.hidden {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #ece5d8;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.brand {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--ink);
  color: #fffdf8;
  border-radius: 8px;
  font-weight: 900;
}

.brand h1 {
  font-size: 16px;
  line-height: 1.35;
  margin: 0 0 3px;
}

.brand span,
.eyebrow,
.field > span,
.status-row,
.counter,
.document-row small,
.document-row span,
.citation-card footer,
.metric span {
  color: var(--muted);
  font-size: 12px;
}

.module-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.nav-item {
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 0 12px;
}

.nav-item:hover,
.nav-item.active {
  background: var(--panel);
  border-color: var(--line);
  box-shadow: 0 8px 20px rgba(50, 43, 35, 0.06);
}

.nav-icon,
.status-icon,
.title-icon,
.button-icon,
.empty-icon {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  border-radius: 6px;
  background: #f7f2e8;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
  flex: 0 0 auto;
}

.status-block {
  margin-top: auto;
  border-top: 1px solid rgba(36, 34, 31, 0.12);
  padding-top: 16px;
  display: grid;
  gap: 10px;
}

.status-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.mock-pill {
  width: max-content;
  border: 1px solid #d5a11f;
  color: #6f4e00;
  background: #fff3c4;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
}

.model-pill {
  width: max-content;
  border: 1px solid #a9d9d3;
  color: var(--teal);
  background: #eaf5f4;
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  font-weight: 700;
}

.main {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 4px;
  text-transform: uppercase;
  letter-spacing: 0;
}

.topbar h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
}

.stat-strip {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.metric {
  min-width: 96px;
  min-height: 42px;
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
  padding: 8px 10px;
}

.metric strong {
  font-size: 15px;
}

.error-banner {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #f1b8b0;
  background: var(--red-soft);
  color: var(--red);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 16px;
}

.ai-warning {
  display: grid;
  gap: 4px;
  border: 1px solid #efd383;
  background: var(--amber-soft);
  color: var(--amber);
  border-radius: 8px;
  padding: 12px;
  line-height: 1.5;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 16px;
  align-items: start;
}

.work-panel,
.source-panel {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow);
  border-radius: 8px;
}

.work-panel {
  padding: 18px;
}

.source-panel {
  padding: 16px;
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
  overflow: auto;
}

.module,
.result-stack {
  display: grid;
  gap: 16px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.control-grid.two {
  grid-template-columns: minmax(0, 1fr) 180px;
}

.field {
  display: grid;
  gap: 7px;
  min-width: 0;
}

.field > span {
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  color: var(--text);
  min-height: 42px;
  padding: 10px 12px;
  outline: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.review-input {
  min-height: 190px;
  resize: vertical;
  line-height: 1.65;
}

.sample-row,
.action-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sample-row button {
  min-height: 34px;
  border: 1px solid var(--line);
  background: #f7f2e8;
  color: var(--text);
  border-radius: 8px;
  padding: 0 11px;
}

.primary-action,
.icon-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  background: var(--ink);
  color: #fffdf8;
  min-height: 42px;
  padding: 0 14px;
}

.primary-action .button-icon,
.icon-action {
  background: rgba(255, 255, 255, 0.14);
  color: #fffdf8;
}

.primary-action:disabled,
.icon-action:disabled {
  opacity: 0.55;
  cursor: progress;
}

.counter {
  margin-left: auto;
}

.verdict {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  border-radius: 8px;
  padding: 14px 16px;
  border: 1px solid var(--line);
}

.verdict div {
  display: flex;
  align-items: baseline;
  gap: 12px;
  min-width: 130px;
}

.verdict p {
  margin: 0;
  font-weight: 800;
}

.verdict strong {
  font-size: 32px;
}

.verdict span {
  color: var(--muted);
  line-height: 1.5;
}

.verdict-pass {
  background: var(--green-soft);
  border-color: #a8dec0;
  color: var(--green);
}

.verdict-revise {
  background: var(--amber-soft);
  border-color: #efd383;
  color: var(--amber);
}

.verdict-block {
  background: var(--red-soft);
  border-color: #f1b8b0;
  color: var(--red);
}

.section-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.section-title h3 {
  margin: 0;
  font-size: 15px;
}

.issue-list {
  display: grid;
  gap: 10px;
}

.issue-row {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr);
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fffefa;
}

.issue-row p {
  margin: 6px 0;
  line-height: 1.55;
}

.issue-row small {
  color: var(--muted);
  line-height: 1.55;
}

.issue-row.clean {
  background: var(--green-soft);
}

.issue-heading {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
}

.severity,
.severity-icon {
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 12px;
  white-space: nowrap;
}

.severity-icon {
  width: 22px;
  height: 22px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  font-weight: 900;
}

.severity-blocker,
.severity-icon.blocker {
  background: var(--red-soft);
  color: var(--red);
}

.severity-major,
.severity-icon.major {
  background: var(--amber-soft);
  color: var(--amber);
}

.severity-minor,
.severity-icon.minor {
  background: #eaf5f4;
  color: var(--teal);
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(220px, 0.8fr);
  gap: 14px;
}

.draft-box,
.answer-box {
  white-space: pre-wrap;
  word-break: break-word;
  margin: 10px 0 0;
  border: 1px solid var(--line);
  background: #fffefa;
  border-radius: 8px;
  padding: 14px;
  line-height: 1.7;
}

.answer-box {
  margin: 0;
}

.check-list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--text);
  line-height: 1.8;
}

.inline-input {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px;
  gap: 8px;
}

.icon-action {
  width: 44px;
  padding: 0;
  font-weight: 900;
}

.document-table {
  display: grid;
  gap: 8px;
}

.document-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fffefa;
}

.document-row div {
  display: grid;
  gap: 4px;
}

.citation-list {
  display: grid;
  gap: 10px;
}

.citation-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fffefa;
  padding: 12px;
}

.citation-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.citation-head span {
  color: var(--teal);
  font-weight: 800;
}

.citation-card p {
  color: var(--muted);
  line-height: 1.6;
  margin: 8px 0 10px;
  font-size: 13px;
}

.citation-card footer {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.empty-state {
  min-height: 150px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  gap: 8px;
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

.empty-state.compact {
  min-height: 120px;
  font-size: 13px;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    padding: 16px;
    min-width: 0;
    max-width: 100vw;
  }

  .module-nav {
    flex-direction: row;
    overflow-x: auto;
    max-width: 100%;
    min-width: 0;
  }

  .nav-item {
    white-space: nowrap;
  }

  .status-block {
    margin-top: 0;
    grid-template-columns: repeat(3, max-content);
    align-items: center;
    overflow-x: auto;
  }

  .workspace {
    grid-template-columns: 1fr;
    max-width: 100%;
  }

  .source-panel {
    position: static;
    max-height: none;
  }
}

@media (max-width: 720px) {
  .main {
    padding: 16px;
    min-width: 0;
    max-width: 100vw;
  }

  .topbar,
  .verdict,
  .document-row {
    align-items: stretch;
    flex-direction: column;
  }

  .stat-strip {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    justify-content: stretch;
    width: 100%;
  }

  .metric {
    min-width: 0;
  }

  .control-grid,
  .control-grid.two,
  .two-column {
    grid-template-columns: 1fr;
  }

  .issue-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .counter {
    margin-left: 0;
  }

  .status-block {
    grid-template-columns: 1fr;
  }

  .work-panel,
  .source-panel,
  .citation-card,
  .issue-row,
  .draft-box,
  .answer-box {
    max-width: 100%;
    overflow-wrap: anywhere;
  }
}