:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --line: #d8e0ec;
  --blue: #2454d6;
  --green: #087f5b;
  --amber: #a15c08;
  --shadow: 0 16px 40px rgba(32, 48, 77, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.reader-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 24px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  color: var(--text);
  font-weight: 800;
  text-decoration: none;
}

.top-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
  align-items: flex-start;
}

button,
.ghost-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 7px 12px;
  background: #fff;
  color: var(--text);
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

button:disabled,
.ghost-button[aria-disabled="true"] {
  cursor: not-allowed;
  opacity: 0.55;
}

.primary-button {
  border-color: var(--blue);
  background: var(--blue);
  color: #fff;
}

.reader-export-menu {
  position: relative;
}

.reader-export-menu summary {
  list-style: none;
}

.reader-export-menu summary::-webkit-details-marker {
  display: none;
}

.reader-export-menu summary::after {
  content: "▾";
  margin-left: 8px;
  color: var(--muted);
  font-size: 12px;
}

.reader-export-menu[open] summary {
  border-color: #b9c9ef;
  background: #eef4ff;
  color: var(--blue);
}

.reader-export-menu__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 10;
  display: grid;
  gap: 6px;
  width: 236px;
  padding: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.reader-export-menu__item {
  display: grid;
  gap: 2px;
  width: 100%;
  min-height: auto;
  padding: 9px 10px;
  text-align: left;
  color: var(--text);
}

.reader-export-menu__item span {
  color: var(--muted);
  font-size: 12px;
}

.reader-shell {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 270px;
  gap: 18px;
  width: min(1320px, calc(100vw - 32px));
  margin: 22px auto 48px;
  align-items: start;
}

.reader-nav,
.paper-side {
  position: sticky;
  top: 82px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.reader-nav {
  display: grid;
  gap: 2px;
  padding: 8px;
}

.reader-nav a {
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
}

.reader-nav a:hover {
  background: #eef4ff;
  color: var(--blue);
}

.deep-report-nav,
.deep-outline {
  display: grid;
  gap: 2px;
}

.deep-report-nav p,
.deep-outline p {
  margin: 8px 10px 5px;
  color: #344258;
  font-size: 12px;
  font-weight: 850;
}

.deep-outline {
  margin-top: 10px;
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.deep-outline a,
.deep-outline span {
  border-radius: 6px;
  padding: 7px 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
  text-decoration: none;
}

.reader-main {
  min-width: 0;
}

.reader-page-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 14px;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.reader-page-tabs button {
  min-height: 38px;
  border-color: transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  white-space: nowrap;
}

.reader-page-tabs button.active {
  border-color: #c8d7ff;
  background: #eef4ff;
  color: var(--blue);
}

.reader-page {
  min-width: 0;
}

body.reader-guide-active .reader-shell {
  grid-template-columns: 180px minmax(0, 1fr);
}

body.reader-guide-active .paper-side,
body.reader-guide-active #copyButton,
body.reader-guide-active #readerExportMenu,
body.reader-guide-active #favoriteButton,
body.reader-guide-active #pdfLink,
body.reader-guide-active #regenerateButton {
  display: none;
}

.upload-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 18px;
  align-items: center;
  margin-bottom: 14px;
  padding: 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.upload-panel h1 {
  margin: 6px 0 8px;
  font-size: 28px;
}

.upload-panel p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.reader-controls {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.reader-controls p {
  margin: 4px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.reader-goal-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.48fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px 18px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.reader-method-plan {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.48fr);
  gap: 14px;
  align-items: center;
  margin-bottom: 14px;
  border: 1px solid #c8d7ff;
  border-radius: 8px;
  padding: 16px 18px;
  background: #f8fbff;
  box-shadow: var(--shadow);
}

.reader-goal-plan h2 {
  margin: 4px 0 6px;
  font-size: 18px;
}

.reader-method-plan h2 {
  margin: 4px 0 6px;
  font-size: 18px;
}

.reader-goal-plan p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.reader-method-plan p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.goal-plan-output {
  border: 1px solid #bfe3d4;
  border-radius: 8px;
  padding: 10px 12px;
  background: #f4fbf7;
  color: #27364f !important;
  font-weight: 750;
}

.method-plan-output {
  border: 1px solid #c8d7ff;
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
  color: #27364f !important;
  font-weight: 750;
}

.goal-plan-output span {
  display: block;
  margin-bottom: 3px;
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
}

.method-plan-output span {
  display: block;
  margin-bottom: 3px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

.segmented-control {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.segmented-control button {
  min-height: 32px;
  padding: 6px 10px;
  color: var(--muted);
}

.segmented-control button.active {
  border-color: #c8d7ff;
  background: #eef4ff;
  color: var(--blue);
  font-weight: 700;
}

.upload-form {
  display: flex;
  gap: 10px;
  align-items: center;
}

.file-picker {
  display: inline-flex;
  align-items: center;
  min-width: 260px;
  min-height: 40px;
  max-width: 360px;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 8px 12px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
}

.file-picker span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-picker input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.status-banner {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 13px;
  background: #fff;
  color: var(--muted);
}

.status-banner.is-error {
  border-color: #ffd8a8;
  background: #fff8ef;
  color: var(--amber);
}

.status-banner:empty {
  display: none;
}

.status-banner.is-success {
  border-color: #b2f2bb;
  background: #f0fff4;
  color: var(--green);
}

.paper-heading,
.analysis-section,
.paper-side {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.paper-heading {
  padding: 24px;
}

.eyebrow {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

h1 {
  margin: 8px 0 10px;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1.12;
  letter-spacing: 0;
}

.paper-meta,
.source-notice,
.empty-text {
  color: var(--muted);
}

.source-notice {
  margin: 14px 0 0;
}

.analysis-content {
  display: grid;
  gap: 14px;
  margin-top: 14px;
}

.analysis-section {
  padding: 20px 22px;
}

.reader-shell [id] {
  scroll-margin-top: 88px;
}

.analysis-section h2,
.paper-side h2 {
  margin: 0 0 12px;
  font-size: 18px;
}

.analysis-section p {
  margin: 0;
  line-height: 1.7;
}

.field-grid {
  display: grid;
  gap: 12px;
}

.field-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field-block b {
  display: block;
  margin-bottom: 4px;
}

.markdown-preview {
  max-height: 520px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #f8fbff;
  color: #27364f;
  line-height: 1.65;
}

.artifact-note {
  color: var(--muted);
}

.artifact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.artifact-actions .ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 128px;
  font-weight: 650;
}

.artifact-actions .is-link {
  border-color: #c8d7ff;
  background: #f4f7ff;
  color: var(--blue);
}

.deep-reading-path {
  list-style: none;
  margin: 12px 0 24px;
  padding: 0;
}

.deep-reading-path li {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  overflow-wrap: anywhere;
}

.deep-reading-path p,
.evidence-item h4 {
  margin: 6px 0;
}

.deep-reading-time {
  font-size: 13px;
  color: var(--muted);
}

.workflow-status-card {
  display: grid;
  gap: 16px;
}

.workflow-status-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(160px, 220px);
  gap: 18px;
  align-items: center;
}

.workflow-status-header h2 {
  margin-bottom: 6px;
}

.workflow-status-header .primary-button {
  width: 100%;
}

.workflow-progress {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.workflow-step {
  min-height: 64px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
  background: #fbfdff;
}

.workflow-step span,
.workflow-step b {
  display: block;
}

.workflow-step span {
  color: #27364f;
  font-size: 13px;
  font-weight: 750;
  line-height: 1.35;
}

.workflow-step b {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.workflow-step.is-running {
  border-color: #8cc8ff;
  background: #f2f8ff;
}

.workflow-step.is-running b {
  color: var(--blue);
}

.workflow-step.is-completed,
.workflow-step.is-completed_with_warnings {
  border-color: #b2f2bb;
  background: #f3fff6;
}

.workflow-step.is-completed b,
.workflow-step.is-completed_with_warnings b {
  color: var(--green);
}

.workflow-step.is-failed {
  border-color: #ffd8a8;
  background: #fff8ef;
}

.workflow-step.is-failed b {
  color: var(--amber);
}

.workflow-status-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.workflow-status-meta span,
.workflow-warning-list li {
  border: 1px solid #d7e2f5;
  border-radius: 999px;
  padding: 5px 9px;
  background: #f8fbff;
  color: #506079;
  font-size: 12px;
}

.workflow-warning-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.evidence-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px;
  background: #fbfdff;
}

.evidence-item p {
  margin: 0 0 10px;
}

.evidence-meta,
.evidence-refs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.evidence-meta span,
.evidence-refs span {
  border: 1px solid #d7e2f5;
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff;
  color: var(--muted);
  font-size: 12px;
}

.evidence-meta span:nth-child(3) {
  border-color: #c8d7ff;
  color: var(--blue);
}

.evidence-refs {
  margin-top: 8px;
}

.deep-evidence-link {
  margin-top: 10px;
}

.deep-evidence-link summary {
  display: inline-flex;
  cursor: pointer;
  border: 1px solid #c8d7ff;
  border-radius: 999px;
  padding: 5px 10px;
  background: #f4f7ff;
  color: #2443a6;
  font-size: 12px;
  font-weight: 800;
}

.deep-evidence-link-panel {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  border: 1px solid #d7e2f5;
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.deep-evidence-link-panel.is-direct {
  border-color: #bfe3d4;
  background: #f7fffb;
}

.deep-evidence-link-panel.is-inferred {
  border-color: #d7e2f5;
  background: #fbfdff;
}

.deep-evidence-link-panel.is-suggestion {
  border-color: #f4c7a1;
  background: #fffaf3;
}

.deep-evidence-status {
  color: #172033;
  font-size: 13px;
  font-weight: 850;
}

.deep-evidence-link-panel dl {
  display: grid;
  gap: 8px;
  margin: 0;
}

.deep-evidence-link-panel dl div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 10px;
}

.deep-evidence-link-panel dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
}

.deep-evidence-link-panel dd {
  margin: 0;
  color: #27364f;
  font-size: 13px;
  line-height: 1.55;
}

.deep-evidence-snippet,
.deep-evidence-suggestion {
  margin: 0;
  border-left: 3px solid #7da2ff;
  padding: 8px 10px;
  background: rgba(244, 247, 255, 0.7);
  color: #344258;
  font-size: 13px;
}

.deep-evidence-snippet b,
.deep-evidence-suggestion b {
  display: block;
  margin-bottom: 4px;
  color: #172033;
}

.text-read-result {
  border-color: #bfe3d4;
}

.deep-read-result {
  border-color: #c8d7ff;
}

.deep-report-kicker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.deep-report-kicker span {
  border: 1px solid #c8d7ff;
  border-radius: 999px;
  padding: 5px 10px;
  background: #f4f7ff;
  color: #2443a6;
  font-size: 12px;
  font-weight: 800;
}

.deep-boundary-strip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
  border: 1px solid #d7e2f5;
  border-radius: 8px;
  padding: 10px 12px;
  background: #f8fbff;
}

.deep-boundary-strip b {
  color: #27364f;
}

.deep-boundary-strip p {
  margin: 0;
  color: #506079;
  font-size: 13px;
  line-height: 1.45;
}

.deep-boundary-strip span,
.deep-judgment-meta span {
  border: 1px solid #d7e2f5;
  border-radius: 999px;
  padding: 4px 8px;
  background: #fff;
  color: #344258;
  font-size: 12px;
  white-space: nowrap;
}

.deep-judgment-card {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
  border: 1px solid #c8d7ff;
  border-radius: 8px;
  padding: 16px;
  background: #fbfdff;
}

.deep-judgment-card > b {
  color: #2443a6;
  font-size: 13px;
}

.deep-judgment-card p {
  margin: 0;
  color: #172033;
  font-size: 18px;
  font-weight: 750;
  line-height: 1.45;
}

.deep-judgment-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.deep-paper-map,
.deep-value-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.deep-map-step,
.deep-value-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
}

.deep-map-step span {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
}

.deep-map-step b,
.deep-value-grid span {
  display: block;
  margin-bottom: 6px;
  color: #27364f;
  font-size: 13px;
  font-weight: 850;
}

.deep-map-step p,
.deep-value-grid p {
  margin: 0;
  color: #506079;
  font-size: 13px;
  line-height: 1.5;
}

.deep-value-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.deep-warning-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 12px;
}

.deep-warning-list span {
  border: 1px solid #f4c7a1;
  border-radius: 999px;
  padding: 5px 9px;
  background: #fff7ed;
  color: #9a4d10;
  font-size: 12px;
  line-height: 1.3;
}

.deep-subhead {
  margin: 18px 0 10px;
  color: var(--text);
  font-size: 15px;
}

.deep-section-details {
  margin-top: 12px;
}

.deep-section-details summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 700;
}

.deep-section-details > .evidence-list,
.deep-section-details > .bullet-list {
  margin-top: 12px;
}

.artifact-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.artifact-list div {
  display: grid;
  gap: 3px;
}

.artifact-list dt {
  color: var(--muted);
  font-size: 12px;
}

.artifact-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.chip-list,
.bullet-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip-list li {
  border: 1px solid #c8d7ff;
  border-radius: 999px;
  padding: 6px 10px;
  background: #f4f7ff;
  color: #2443a6;
}

.bullet-list {
  display: grid;
}

.bullet-list li {
  padding-left: 14px;
  position: relative;
  line-height: 1.6;
}

.bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--blue);
}

.guide-hero {
  border-color: #c8e6d6;
  background: linear-gradient(135deg, #ffffff 0%, #f4fbf7 100%);
}

.guide-hero h1 {
  margin: 8px 0 10px;
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.12;
}

.guide-hero p {
  max-width: 760px;
  color: #41516b;
}

.guide-step-list,
.guide-scenario-grid {
  display: grid;
  gap: 12px;
}

.guide-step {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfdff;
}

.guide-step-number {
  display: grid;
  place-items: center;
  align-self: start;
  min-height: 42px;
  border-radius: 7px;
  background: #e9f7f2;
  color: var(--green);
  font-weight: 850;
}

.guide-step h3,
.guide-method-card h3,
.guide-scenario-card h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.guide-step-summary,
.guide-method-en {
  margin: 0 0 12px;
  color: var(--muted);
}

.guide-step details {
  margin-top: 12px;
}

.guide-step summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 750;
}

.guide-summary-open {
  display: none;
}

.guide-step details[open] .guide-summary-open {
  display: inline;
}

.guide-step details[open] .guide-summary-closed {
  display: none;
}

.guide-step-takeaway {
  display: grid;
  gap: 10px;
  margin-top: 12px;
  border: 1px solid #bfe3d4;
  border-radius: 8px;
  padding: 12px 14px;
  background: #f4fbf7;
}

.guide-step-takeaway b {
  color: #0b6b4b;
}

.guide-step-output {
  margin: 0;
  color: #344258;
}

.guide-step-output span {
  display: inline-block;
  margin-right: 8px;
  border-radius: 999px;
  padding: 3px 8px;
  background: #dff5eb;
  color: var(--green);
  font-size: 12px;
  font-weight: 800;
}

.guide-detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.guide-method-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.guide-method-card,
.guide-scenario-card {
  display: grid;
  gap: 10px;
  align-content: start;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  background: #fbfdff;
}

.guide-method-card .field-block p,
.guide-scenario-card .field-block p {
  color: #344258;
  line-height: 1.6;
}

.guide-method-core {
  border: 1px solid #bfe3d4;
  border-radius: 8px;
  padding: 11px 12px;
  background: #f4fbf7;
}

.guide-method-core b {
  display: block;
  margin-bottom: 5px;
  color: #0b6b4b;
}

.guide-method-core p {
  margin: 0;
  color: #27364f;
  font-weight: 750;
  line-height: 1.6;
}

.guide-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.guide-tags span {
  border: 1px solid #c8d7ff;
  border-radius: 999px;
  padding: 4px 8px;
  background: #f4f7ff;
  color: #2443a6;
  font-size: 12px;
}

.guide-source-line {
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.guide-method-prompt {
  border: 1px solid #d7e2f5;
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
}

.guide-method-prompt summary {
  cursor: pointer;
  color: var(--blue);
  font-weight: 800;
}

.guide-method-prompt pre {
  max-height: 360px;
  margin: 12px 0 0;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: #f8fbff;
  color: #27364f;
  font: 13px/1.65 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.guide-method-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 10px;
}

.guide-scenario-grid {
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.guide-scenario-card > p {
  margin: 0;
  color: #344258;
  line-height: 1.6;
}

.guide-scenario-output {
  border: 1px solid #bfe3d4;
  border-radius: 8px;
  padding: 10px 12px;
  background: #f4fbf7;
  color: #27364f;
  font-weight: 700;
}

.guide-scenario-output span {
  display: block;
  margin-bottom: 3px;
  color: var(--green);
  font-size: 12px;
  font-weight: 850;
}

.guide-checklist {
  display: grid;
  gap: 8px;
  margin-top: 2px;
}

.guide-checklist label {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  border: 1px solid #dce5f2;
  border-radius: 7px;
  padding: 9px 10px;
  background: #fff;
  color: #344258;
  line-height: 1.45;
}

.guide-checklist input {
  flex: 0 0 auto;
  margin-top: 3px;
}

.guide-checklist label.checked {
  border-color: #bfe3d4;
  background: #f0fff4;
  color: var(--green);
}

.paper-side {
  padding: 18px;
}

.paper-side dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.paper-side dt {
  color: var(--muted);
  font-size: 12px;
}

.paper-side dd {
  margin: 3px 0 0;
  overflow-wrap: anywhere;
}

.deep-support-rail div {
  border-bottom: 1px solid #eef2f8;
  padding-bottom: 10px;
}

.deep-support-rail div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.deep-support-rail dd {
  color: #344258;
  line-height: 1.45;
}

.hidden {
  display: none !important;
}

@media (max-width: 980px) {
  .reader-shell {
    grid-template-columns: 1fr;
  }

  .upload-panel {
    grid-template-columns: 1fr;
  }

  .reader-controls {
    grid-template-columns: 1fr;
  }

  .reader-goal-plan {
    grid-template-columns: 1fr;
  }

  .reader-method-plan {
    grid-template-columns: 1fr;
  }

  .workflow-status-header,
  .workflow-progress {
    grid-template-columns: 1fr;
  }

  body.reader-guide-active .reader-shell {
    grid-template-columns: 1fr;
  }

  .segmented-control {
    justify-content: flex-start;
  }

  .field-grid.two {
    grid-template-columns: 1fr;
  }

  .deep-boundary-strip,
  .deep-paper-map,
  .deep-value-grid {
    grid-template-columns: 1fr;
  }

  .guide-detail-grid {
    grid-template-columns: 1fr;
  }

  .upload-form {
    align-items: stretch;
    flex-direction: column;
  }

  .file-picker {
    max-width: none;
    width: 100%;
  }

  .reader-nav,
  .paper-side {
    position: static;
  }

  .reader-nav {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .deep-report-nav,
  .deep-outline {
    display: contents;
  }
}

@media (max-width: 640px) {
  .reader-shell [id] {
    scroll-margin-top: 160px;
  }

  .reader-topbar {
    align-items: flex-start;
    flex-direction: column;
    padding: 12px 14px;
  }

  .reader-shell {
    width: min(100vw - 20px, 1320px);
    margin-top: 14px;
  }

  .reader-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .deep-report-kicker,
  .deep-boundary-strip {
    align-items: flex-start;
  }

  .deep-report-kicker {
    flex-direction: column;
  }

  .guide-step {
    grid-template-columns: 1fr;
  }

  .guide-step-number {
    width: 54px;
  }
}