/**
 * Thinker page (/thinker) — editorial layout overlay for agent.mitverse.com.
 * Loaded after the app bundle (index.html links /thinker-simple.css); scoped under .thinker-page.
 *
 * Layout: guidance is hidden on narrow phones; from 640px it appears below the primary column
 * (stacked); from 880px+ it becomes a sticky sidebar beside the main column.
 */

.thinker-page {
  max-width: 48rem;
  margin: 0 auto;
  width: 100%;
  font-feature-settings: "kern" 1, "liga" 1, "cv02" 1;
  line-height: 1.64;
  color: var(--text, #e5e7eb);
  /* Top inset matches bundled agent pages (--space-4) + notch; was 0.75rem and sat high vs /exporters. */
  padding: calc(env(safe-area-inset-top, 0px) + var(--space-4, 1rem)) 1.1rem
    calc(1.25rem + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

.thinker-breadcrumbs {
  margin: 0 0 0.75rem;
  padding: 0 0 0.5rem;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--border, #1f2937);
  border-radius: 0;
  gap: 0.35rem;
}

.thinker-breadcrumb-text,
.thinker-breadcrumb-link,
.thinker-breadcrumb-separator {
  font-size: 0.8125rem;
  font-weight: 500;
}

/* Readiness / progress: hidden on small phones; wider layouts override below. */
.thinker-guidance-pane {
  display: none !important;
}

.thinker-workspace {
  display: block;
  gap: 0;
}

.thinker-workspace-left {
  width: 100%;
}

.thinker-form-pane,
.thinker-detail-pane {
  padding: 1rem 0;
}

/* Structural hierarchy: primary column reads as page chrome → inputs → output. */
.thinker-detail-pane {
  margin-top: 0.35rem;
}

.thinker-form-pane {
  padding: 1.15rem 1.15rem 1.35rem;
  margin: 0 -0.25rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 80%, #334155 20%);
  background: color-mix(in srgb, var(--surface, #111827) 90%, #0f172a 10%);
  box-shadow:
    0 1px 0 color-mix(in srgb, #ffffff 5%, transparent),
    0 12px 32px color-mix(in srgb, #000000 28%, transparent);
}

.thinker-heading {
  font-size: 1.4rem;
  font-weight: 650;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
  line-height: 1.32;
}

.thinker-description {
  margin: 0 0 1.2rem;
  font-size: 0.96875rem;
  line-height: 1.65;
  color: var(--muted, #9ca3af);
  max-width: 44rem;
}

/* Collapsible prompt-shape snapshot (injected by thinker-prompt-snapshot.js) */
.thinker-prompt-snapshot-root {
  margin: 0 0 1rem;
}

/* Always-visible framing: decision-memo / professional decision support */
.thinker-prompt-snapshot-lede {
  margin: 0 0 0.75rem;
  padding: 0.6rem 0.75rem 0.65rem;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, #64748b 12%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #0f172a 6%);
}

.thinker-prompt-snapshot-lede-title {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 70%, var(--text, #e5e7eb) 30%);
}

.thinker-prompt-snapshot-lede-text {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.58;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

.thinker-prompt-snapshot-lede-text strong {
  color: color-mix(in srgb, var(--muted, #9ca3af) 55%, var(--text, #e5e7eb) 45%);
  font-weight: 600;
}

.thinker-prompt-snapshot-lede-subtitle {
  margin: 0.65rem 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 65%, var(--text, #e5e7eb) 35%);
}

.thinker-prompt-snapshot-lede-subtitle--inline {
  margin-top: 0.5rem;
}

.thinker-prompt-snapshot-lede-behaviors {
  margin: 0 0 0.5rem;
  padding-left: 1.15rem;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

.thinker-prompt-snapshot-lede-behaviors li {
  margin: 0.2rem 0;
}

.thinker-prompt-snapshot-lede-behaviors strong {
  color: color-mix(in srgb, var(--muted, #9ca3af) 50%, var(--text, #e5e7eb) 50%);
  font-weight: 600;
}

.thinker-prompt-snapshot-lede-meta {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.52;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

/* When .thinker-guidance-pane is display:none (narrow layout), reinforce framing inline. */
.thinker-guidance-hidden-hint {
  margin: 0.65rem 0 0;
  padding: 0.5rem 0.65rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 82%, #f59e0b 18%);
  background: color-mix(in srgb, var(--surface, #111827) 90%, #422006 10%);
  font-size: 0.8125rem;
  line-height: 1.52;
  color: color-mix(in srgb, var(--muted, #9ca3af) 82%, var(--text, #e5e7eb) 18%);
}

.thinker-guidance-hidden-hint strong {
  color: color-mix(in srgb, var(--muted, #9ca3af) 45%, var(--text, #e5e7eb) 55%);
  font-weight: 600;
}

.thinker-output-style {
  margin: 0.55rem 0 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.thinker-output-style-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 72%, var(--text, #e5e7eb) 28%);
}

.thinker-output-style-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  align-items: center;
}

.thinker-output-style-option {
  display: inline-flex;
  align-items: center;
  gap: 0.32rem;
  margin: 0;
  font-size: 0.78rem;
  font-weight: 600;
  color: color-mix(in srgb, var(--muted, #9ca3af) 46%, var(--text, #e5e7eb) 54%);
  cursor: pointer;
}

.thinker-output-style-option input {
  accent-color: #38bdf8;
  width: 0.85rem;
  height: 0.85rem;
  margin: 0;
  cursor: pointer;
}

.thinker-output-style-option span {
  line-height: 1.25;
}

.thinker-output-style-hint {
  margin: 0.1rem 0 0;
  font-size: 0.72rem;
  line-height: 1.35;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

.thinker-output-style-hint code {
  font-size: 0.88em;
  color: color-mix(in srgb, var(--muted, #9ca3af) 62%, var(--text, #e5e7eb) 38%);
}

/* Sidebar guidance hidden: make output style as visible as tone presets. */
.thinker-prompt-snapshot-root[data-thinker-guidance-hidden="1"] .thinker-output-style {
  padding: 0.45rem 0.55rem 0.5rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 75%, #38bdf8 25%);
  background: color-mix(in srgb, var(--surface, #111827) 92%, #0c4a6e 8%);
}

.thinker-tone-presets {
  margin: 0.65rem 0 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.thinker-tone-presets-label {
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 72%, var(--text, #e5e7eb) 28%);
}

.thinker-tone-presets-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}

.thinker-tone-preset-btn {
  appearance: none;
  margin: 0;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 75%, #64748b 25%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #0f172a 6%);
  color: color-mix(in srgb, var(--muted, #9ca3af) 55%, var(--text, #e5e7eb) 45%);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.3;
  cursor: pointer;
}

.thinker-tone-preset-btn:hover {
  border-color: color-mix(in srgb, var(--border, #1f2937) 55%, #38bdf8 45%);
  color: var(--text, #e5e7eb);
}

.thinker-tone-preset-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, #38bdf8 75%, transparent);
  outline-offset: 2px;
}

/* Sidebar guidance hidden (narrow layout or unavailable): tone presets are the primary in-flow substitute. */
.thinker-prompt-snapshot-root[data-thinker-guidance-hidden="1"] .thinker-tone-presets {
  margin-top: 0.5rem;
  margin-bottom: 0.9rem;
  padding: 0.5rem 0.65rem 0.6rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 72%, #38bdf8 28%);
  background: color-mix(in srgb, var(--surface, #111827) 90%, #0c4a6e 10%);
  gap: 0.45rem;
}

.thinker-prompt-snapshot-root[data-thinker-guidance-hidden="1"] .thinker-tone-presets-label {
  color: color-mix(in srgb, var(--muted, #9ca3af) 50%, var(--text, #e5e7eb) 50%);
}

.thinker-prompt-snapshot {
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 95%, #64748b 5%);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface, #111827) 92%, #0f172a 8%);
  padding: 0.5rem 0.65rem 0.6rem;
}

/* Compact operator guide: format + Apply (always in-flow; especially when narrow layout hides .thinker-guidance-pane). */
.thinker-format-replies-guide {
  margin: 0.5rem 0 0.65rem;
  border-color: color-mix(in srgb, var(--border, #1f2937) 78%, #38bdf8 22%);
  background: color-mix(in srgb, var(--surface, #111827) 91%, #0c4a6e 9%);
}

.thinker-format-replies-intro {
  margin-top: 0;
}

.thinker-format-replies-subhead {
  margin: 0.65rem 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 68%, var(--text, #e5e7eb) 32%);
}

.thinker-format-replies-list {
  margin-top: 0.35rem;
}

.thinker-prompt-snapshot-root[data-thinker-guidance-hidden="1"] .thinker-format-replies-guide {
  border-color: color-mix(in srgb, var(--border, #1f2937) 65%, #38bdf8 35%);
  box-shadow: 0 0 0 1px color-mix(in srgb, #38bdf8 18%, transparent);
}

.thinker-prompt-snapshot-summary {
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--muted, #9ca3af);
  letter-spacing: 0.01em;
  list-style: none;
}

.thinker-prompt-snapshot-summary::-webkit-details-marker {
  display: none;
}

.thinker-prompt-snapshot-summary::before {
  content: "";
  display: inline-block;
  width: 0.35em;
  height: 0.35em;
  margin-right: 0.45em;
  border-right: 2px solid var(--muted, #9ca3af);
  border-bottom: 2px solid var(--muted, #9ca3af);
  transform: rotate(-45deg);
  vertical-align: 0.15em;
  opacity: 0.85;
}

.thinker-prompt-snapshot[open] .thinker-prompt-snapshot-summary::before {
  transform: rotate(45deg);
  vertical-align: 0.05em;
}

.thinker-prompt-snapshot-body {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid color-mix(in srgb, var(--border, #1f2937) 90%, transparent);
}

.thinker-prompt-snapshot-callout {
  margin: 0 0 0.65rem;
  padding: 0.55rem 0.7rem 0.6rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, #3b82f6 12%);
  border-left-width: 3px;
  border-left-color: color-mix(in srgb, #3b82f6 70%, var(--border, #1f2937));
  background: color-mix(in srgb, var(--surface, #111827) 92%, #1e3a8a 8%);
}

.thinker-prompt-snapshot-callout-title {
  margin: 0 0 0.35rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 75%, #93c5fd 25%);
}

.thinker-prompt-snapshot-callout-text {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--muted, #9ca3af) 92%, var(--text, #e5e7eb) 8%);
}

.thinker-prompt-snapshot-callout-text code {
  font-size: 0.78em;
  padding: 0.08em 0.28em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--border, #1f2937) 65%, transparent);
  color: var(--text, #e5e7eb);
  font-weight: 500;
}

.thinker-prompt-snapshot-contract {
  margin: 0 0 0.65rem;
  padding: 0.5rem 0.65rem 0.55rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 90%, #22c55e 10%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #14532d 6%);
}

.thinker-prompt-snapshot-contract-title {
  margin: 0 0 0.3rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 70%, #86efac 30%);
}

.thinker-prompt-snapshot-contract-note {
  margin: 0 0 0.45rem;
  font-size: 0.75rem;
  line-height: 1.5;
  color: var(--muted, #9ca3af);
}

.thinker-prompt-snapshot-contract-note code {
  font-size: 0.78em;
  padding: 0.08em 0.28em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--border, #1f2937) 65%, transparent);
  color: var(--text, #e5e7eb);
  font-weight: 500;
  word-break: break-all;
}

.thinker-prompt-snapshot-contract-pre {
  margin: 0;
  max-height: 7.5rem;
  overflow: auto;
  padding: 0.45rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, transparent);
  background: color-mix(in srgb, var(--surface, #111827) 88%, #000 12%);
  color: color-mix(in srgb, var(--muted, #9ca3af) 85%, var(--text, #e5e7eb) 15%);
}

.thinker-prompt-snapshot-contract-fp {
  margin: 0.4rem 0 0;
  font-size: 0.68rem;
  line-height: 1.4;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: color-mix(in srgb, var(--muted, #9ca3af) 95%, #86efac 5%);
  word-break: break-all;
}

.thinker-strip-registry {
  margin: 0.55rem 0 0;
  padding: 0.35rem 0.45rem;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 80%, transparent);
  background: color-mix(in srgb, var(--surface, #111827) 92%, #000 8%);
}

.thinker-strip-registry-summary {
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text, #e5e7eb);
}

.thinker-strip-registry-note {
  margin: 0.45rem 0 0.5rem;
  font-size: 0.72rem;
  line-height: 1.45;
  color: var(--muted, #9ca3af);
}

.thinker-strip-registry-note code {
  font-size: 0.78em;
  padding: 0.06em 0.24em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--border, #1f2937) 65%, transparent);
  color: var(--text, #e5e7eb);
  font-weight: 500;
}

.thinker-strip-registry-body {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.thinker-strip-registry-entry {
  margin: 0;
}

.thinker-strip-registry-const {
  margin: 0 0 0.2rem;
  font-size: 0.7rem;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, #93c5fd 12%);
}

.thinker-strip-registry-pre {
  margin: 0;
  max-height: 5rem;
  overflow: auto;
  padding: 0.4rem 0.45rem;
  font-size: 0.7rem;
  line-height: 1.42;
  white-space: pre-wrap;
  word-break: break-word;
  border-radius: 5px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, transparent);
  background: color-mix(in srgb, var(--surface, #111827) 90%, #000 10%);
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

.thinker-prompt-snapshot-intro {
  margin: 0 0 0.5rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted, #9ca3af);
}

.thinker-prompt-snapshot-list {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: var(--muted, #9ca3af);
}

.thinker-prompt-snapshot-list li {
  margin-bottom: 0.35rem;
}

.thinker-prompt-snapshot-intro code,
.thinker-prompt-snapshot-list code {
  font-size: 0.78em;
  padding: 0.08em 0.28em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--border, #1f2937) 65%, transparent);
  color: var(--text, #e5e7eb);
  font-weight: 500;
}

.thinker-prompt-snapshot-legacy {
  font-style: italic;
  opacity: 0.95;
}

.thinker-checklist-grid {
  grid-template-columns: 1fr !important;
  gap: 0.75rem;
}

.thinker-checklist-label {
  font-size: 0.90625rem;
  font-weight: 600;
}

.thinker-checklist-desc {
  font-size: 0.84375rem;
  line-height: 1.52;
}

.thinker-checklist-input,
.thinker-query-draft-input {
  min-height: 3.5rem;
  font-size: 0.875rem;
  border-radius: 8px;
  border-color: color-mix(in srgb, var(--border, #1f2937) 100%, #60a5fa 12%);
  background: color-mix(in srgb, var(--surface, #111827) 96%, #ffffff 4%);
}

.thinker-query-draft-input {
  min-height: 8rem;
  max-height: none;
}

.thinker-domain-multiselect-menu {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
}

.thinker-actions {
  margin-top: 1rem;
  gap: 0.5rem;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
}

.thinker-actions .thinker-think-btn,
.thinker-actions .thinker-clear-btn {
  width: 100%;
}

.thinker-think-btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 8px;
  letter-spacing: 0.01em;
}

.thinker-result {
  margin-top: 1.75rem;
  padding: 1rem 1rem 1.15rem;
  border-top: none;
  border-radius: 10px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 90%, transparent);
  background: color-mix(in srgb, var(--surface, #111827) 88%, #0f172a 12%);
  box-shadow:
    0 1px 0 color-mix(in srgb, #ffffff 4%, transparent),
    0 10px 28px color-mix(in srgb, #000000 14%, transparent);
}

.thinker-result-heading {
  font-size: 0.8125rem;
  font-weight: 650;
  margin: 0 0 0.85rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid color-mix(in srgb, var(--border, #1f2937) 85%, transparent);
  letter-spacing: 0.07em;
  text-transform: none;
  font-variant-caps: all-small-caps;
  color: color-mix(in srgb, var(--muted, #9ca3af) 92%, var(--text, #e5e7eb) 8%);
}

/* Model output — brief / memo typography for Markdown inside the result card */
.thinker-result h2,
.thinker-result h3:not(.thinker-result-heading) {
  font-size: 1.0625rem;
  font-weight: 650;
  margin: 1.15rem 0 0.45rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: var(--text, #e5e7eb);
  border-bottom: 1px solid color-mix(in srgb, var(--border, #1f2937) 90%, transparent);
  padding-bottom: 0.35rem;
}

.thinker-result h2:first-child,
.thinker-result h3:not(.thinker-result-heading):first-child {
  margin-top: 0;
}

.thinker-result p {
  margin: 0.45rem 0;
  font-size: 0.953125rem;
  line-height: 1.66;
  color: color-mix(in srgb, var(--text, #e5e7eb) 97%, #94a3b8 3%);
}

.thinker-result ul,
.thinker-result ol {
  margin: 0.35rem 0 0.65rem;
  padding-left: 1.2rem;
  font-size: 0.953125rem;
  line-height: 1.62;
}

.thinker-result li {
  margin: 0.28rem 0;
}

.thinker-result pre {
  margin: 0.65rem 0;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 85%, #64748b 15%);
  background: color-mix(in srgb, #020617 88%, var(--surface, #111827) 12%);
  overflow-x: auto;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.thinker-result :not(pre) > code {
  font-size: 0.84em;
  padding: 0.12em 0.35em;
  border-radius: 4px;
  background: color-mix(in srgb, var(--surface, #111827) 75%, #1e293b 25%);
}

.thinker-result pre code {
  padding: 0;
  background: transparent;
  font-size: inherit;
}

/* GFM tables in model output — readable memo style for professional briefs */
.thinker-result table {
  width: 100%;
  margin: 0.65rem 0;
  border-collapse: collapse;
  font-size: 0.875rem;
  line-height: 1.5;
}

.thinker-result th,
.thinker-result td {
  padding: 0.45rem 0.6rem;
  text-align: left;
  vertical-align: top;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, #64748b 12%);
}

.thinker-result th {
  font-weight: 600;
  background: color-mix(in srgb, var(--surface, #111827) 82%, #0f172a 18%);
  color: var(--text, #e5e7eb);
}

.thinker-result tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--surface, #111827) 94%, #ffffff 6%);
}

.thinker-selectable-checklist {
  padding: 0.85rem 0.9rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 100%, #94a3b8 8%);
  background: color-mix(in srgb, var(--surface, #111827) 95%, #ffffff 5%);
}

.thinker-selectable-checklist ul,
.thinker-selectable-checklist ol {
  margin: 0.25rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.8125rem;
  line-height: 1.5;
}

.thinker-checklist-toolbar {
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border, #1f2937);
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Injected by thinker-checklist-meta.js — explains triage chips vs. flat bullets */
.thinker-triage-legend {
  margin: 0 0 0.55rem;
  padding: 0.4rem 0.55rem 0.45rem;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 92%, #64748b 8%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #0f172a 6%);
  font-size: 0.72rem;
  line-height: 1.48;
  color: color-mix(in srgb, var(--muted, #9ca3af) 95%, var(--text, #e5e7eb) 5%);
}

/* Legend above first list in the model reply card (injected when any line has triage chips) */
.thinker-result .thinker-triage-legend--result {
  margin: 0 0 0.65rem;
}

/* thinker-result-deliverables.js — deliverable chrome (sections, copy, collapse) */
.thinker-deliverables-toolbar {
  margin: 0 0 0.85rem;
  padding: 0.45rem 0.55rem 0.5rem;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 88%, #64748b 12%);
  background: color-mix(in srgb, var(--surface, #111827) 92%, #0f172a 8%);
}

.thinker-deliverables-toolbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 0.75rem;
}

.thinker-deliverables-toolbar-label {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--muted, #9ca3af) 92%, var(--text, #e5e7eb) 8%);
}

.thinker-deliverables-toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.45rem;
}

.thinker-deliverables-btn {
  margin: 0;
  padding: 0.32rem 0.55rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, rgba(56, 189, 248, 0.45) 70%, var(--border, #1f2937) 30%);
  background: color-mix(in srgb, rgba(56, 189, 248, 0.12) 80%, var(--surface, #111827) 20%);
  color: color-mix(in srgb, var(--text, #e5e7eb) 96%, #7dd3fc 4%);
  cursor: pointer;
}

.thinker-deliverables-btn:hover {
  background: color-mix(in srgb, rgba(56, 189, 248, 0.18) 85%, var(--surface, #111827) 15%);
}

.thinker-deliverables-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, #38bdf8 70%, transparent);
  outline-offset: 2px;
}

.thinker-deliverables-btn:disabled {
  opacity: 0.75;
  cursor: default;
}

.thinker-deliverables-btn-ghost {
  border-color: color-mix(in srgb, var(--border, #1f2937) 92%, #64748b 8%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #ffffff 6%);
  font-weight: 550;
  color: color-mix(in srgb, var(--muted, #9ca3af) 88%, var(--text, #e5e7eb) 12%);
}

.thinker-deliverables-btn-ghost:hover {
  background: color-mix(in srgb, var(--surface, #111827) 88%, #ffffff 12%);
  color: var(--text, #e5e7eb);
}

.thinker-deliverables-btn-section {
  font-size: 0.7rem;
  padding: 0.22rem 0.45rem;
  flex-shrink: 0;
}

.thinker-deliverables-pref {
  display: inline-flex;
  align-items: center;
  gap: 0.28rem;
  margin: 0;
  font-size: 0.72rem;
  color: color-mix(in srgb, var(--muted, #9ca3af) 94%, var(--text, #e5e7eb) 6%);
  cursor: pointer;
  user-select: none;
}

.thinker-deliverables-pref input {
  margin: 0;
}

.thinker-deliverables-host {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.thinker-result-section {
  margin: 0;
  padding: 0;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 90%, #64748b 10%);
  background: color-mix(in srgb, var(--surface, #111827) 94%, #0f172a 6%);
  overflow: hidden;
}

.thinker-result-section-summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 0.65rem;
  padding: 0.55rem 0.65rem 0.5rem;
  cursor: pointer;
  font-weight: 650;
  color: var(--text, #e5e7eb);
  border-bottom: 1px solid color-mix(in srgb, var(--border, #1f2937) 85%, transparent);
}

.thinker-result-section-summary::-webkit-details-marker {
  display: none;
}

.thinker-result-section-summary::before {
  content: "";
  display: inline-block;
  width: 0.45rem;
  height: 0.45rem;
  margin-right: 0.4rem;
  margin-bottom: 0.06rem;
  border-right: 2px solid color-mix(in srgb, var(--muted, #9ca3af) 90%, transparent);
  border-bottom: 2px solid color-mix(in srgb, var(--muted, #9ca3af) 90%, transparent);
  transform: rotate(-45deg);
  transition: transform 0.15s ease;
  flex-shrink: 0;
}

.thinker-result-section[open] .thinker-result-section-summary::before {
  transform: rotate(45deg);
  margin-bottom: 0;
}

.thinker-result-section-title {
  flex: 1 1 8rem;
  min-width: 0;
  font-size: 1.03rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
}

.thinker-result-section-actions {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  flex-shrink: 0;
}

.thinker-result-section-body {
  padding: 0.55rem 0.75rem 0.85rem;
}

.thinker-result-section-body > h2:first-child {
  margin-top: 0;
}

/* Title already shown in <summary>; keep semantic h2 for structure/copy helpers */
.thinker-result-section[data-thinker-has-h2-title="1"] .thinker-result-section-body > h2:first-child {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.thinker-checklist-section-heading {
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0 0 0.35rem;
}

/* Triage chips (priority / dependency / confidence) — see thinker-checklist-meta.js + thinker_input.split_checklist_item_triage */
.thinker-selectable-checklist li,
.thinker-result li.thinker-li-with-triage,
.thinker-result ul > li.thinker-li-with-triage,
.thinker-result ol > li.thinker-li-with-triage,
.thinker-analysis li.thinker-li-with-triage {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
}

.thinker-li-body {
  flex: 1 1 12rem;
  min-width: 0;
}

.thinker-triage {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
}

.thinker-chip {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.2;
  padding: 0.12rem 0.38rem;
  border-radius: 4px;
  border: 1px solid color-mix(in srgb, var(--border, #1f2937) 80%, #64748b 20%);
  background: color-mix(in srgb, var(--surface, #111827) 88%, #0f172a 12%);
  color: var(--muted, #9ca3af);
  white-space: nowrap;
  max-width: 14rem;
  overflow: hidden;
  text-overflow: ellipsis;
}

.thinker-chip-pri {
  color: var(--text, #e5e7eb);
}

.thinker-pri-p0 {
  border-color: color-mix(in srgb, #f87171 55%, var(--border, #1f2937));
  background: color-mix(in srgb, #450a0a 35%, var(--surface, #111827));
}

.thinker-pri-p1 {
  border-color: color-mix(in srgb, #fb923c 45%, var(--border, #1f2937));
  background: color-mix(in srgb, #431407 28%, var(--surface, #111827));
}

.thinker-pri-p2 {
  border-color: color-mix(in srgb, #eab308 35%, var(--border, #1f2937));
  background: color-mix(in srgb, #422006 22%, var(--surface, #111827));
}

.thinker-pri-p3 {
  border-color: color-mix(in srgb, #94a3b8 50%, var(--border, #1f2937));
}

.thinker-chip-dep {
  font-weight: 500;
  max-width: 18rem;
}

.thinker-conf-high {
  border-color: color-mix(in srgb, #22c55e 40%, var(--border, #1f2937));
  color: #86efac;
}

.thinker-conf-medium {
  border-color: color-mix(in srgb, #eab308 40%, var(--border, #1f2937));
  color: #fde047;
}

.thinker-conf-low {
  border-color: color-mix(in srgb, #64748b 60%, var(--border, #1f2937));
  color: #cbd5e1;
}

.thinker-inline-thread {
  min-height: 0;
  max-height: 20rem;
  padding: 0 0 0.5rem;
}

.thinker-inline-thread-body {
  min-height: 0;
  gap: 0.5rem;
}

.thinker-inline-thread-exchange {
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
}

.thinker-scripter-result {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border, #1f2937);
}

.thinker-error {
  margin-top: 0.75rem;
  padding: 0.5rem 0.65rem;
  font-size: 0.8125rem;
  border-radius: 6px;
}

/* Tablet — single column but wider measure so it does not feel like a phone layout on a laptop window. */
@media (min-width: 640px) {
  .thinker-page {
    max-width: min(54rem, calc(100vw - 2rem));
    padding-left: 1.2rem;
    padding-right: 1.2rem;
  }

  .thinker-description {
    font-size: 1rem;
    line-height: 1.66;
  }
}

/* Tablet / small laptop: full-width reading measure + guidance as a card below the form (not omitted). */
@media (min-width: 640px) and (max-width: 879px) {
  .thinker-workspace {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 1.35rem;
  }

  .thinker-workspace-left {
    width: 100%;
  }

  .thinker-guidance-pane {
    display: flex !important;
    flex-direction: column;
    gap: 0.75rem;
    position: static;
    top: auto;
    align-self: stretch;
    max-height: none;
    overflow: visible;
    padding: 1rem 1.15rem 1.15rem;
    margin: 0;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--border, #1f2937) 78%, #475569 22%);
    background: color-mix(in srgb, var(--surface, #111827) 92%, #0f172a 8%);
    box-shadow:
      0 1px 0 color-mix(in srgb, #ffffff 4%, transparent),
      0 10px 28px color-mix(in srgb, #000000 22%, transparent);
    font-size: 0.90625rem;
    line-height: 1.58;
    color: color-mix(in srgb, var(--text, #e5e7eb) 94%, var(--muted, #9ca3af) 6%);
    -webkit-overflow-scrolling: touch;
  }
}

@media (min-width: 768px) and (max-width: 899px) {
  .thinker-page {
    max-width: min(62rem, calc(100vw - 2.5rem));
    padding-left: 1.35rem;
    padding-right: 1.35rem;
  }

  .thinker-description {
    max-width: none;
  }
}

/* Desktop — two-column layout with sticky guidance (880px avoids a “too narrow until 1024” laptop dead zone). */
@media (min-width: 880px) {
  .thinker-page {
    max-width: min(88rem, calc(100vw - 2.5rem));
    padding: calc(env(safe-area-inset-top, 0px) + var(--space-4, 1rem)) 1.65rem
      calc(5.75rem + env(safe-area-inset-bottom, 0px));
    line-height: 1.7;
  }

  .thinker-workspace {
    display: grid !important;
    grid-template-columns: minmax(0, 1fr) minmax(19rem, 24rem);
    gap: 2rem 2.25rem;
    align-items: start;
  }

  .thinker-workspace-left {
    grid-column: 1;
  }

  .thinker-guidance-pane {
    display: flex !important;
    flex-direction: column;
    gap: 0.75rem;
    position: sticky;
    top: 0.75rem;
    align-self: start;
    max-height: calc(100vh - 7rem);
    overflow-y: auto;
    padding: 1rem 1.15rem 1.1rem;
    margin: 0;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--border, #1f2937) 78%, #475569 22%);
    background: color-mix(in srgb, var(--surface, #111827) 92%, #0f172a 8%);
    box-shadow:
      0 1px 0 color-mix(in srgb, #ffffff 4%, transparent),
      0 10px 28px color-mix(in srgb, #000000 22%, transparent);
    font-size: 0.90625rem;
    line-height: 1.58;
    color: color-mix(in srgb, var(--text, #e5e7eb) 94%, var(--muted, #9ca3af) 6%);
    -webkit-overflow-scrolling: touch;
    grid-column: 2;
  }

  .thinker-heading {
    font-size: 1.55rem;
    line-height: 1.26;
    margin-bottom: 0.65rem;
    letter-spacing: -0.022em;
  }

  .thinker-description {
    font-size: 1.03125rem;
    line-height: 1.68;
    max-width: none;
    margin-bottom: 1.35rem;
  }

  .thinker-breadcrumbs {
    margin-bottom: 1rem;
    padding-bottom: 0.65rem;
  }

  .thinker-detail-pane {
    margin-top: 0.6rem;
  }

  .thinker-breadcrumb-text,
  .thinker-breadcrumb-link,
  .thinker-breadcrumb-separator {
    font-size: 0.875rem;
  }

  .thinker-form-pane {
    margin-top: 0.35rem;
    padding: 1.35rem 1.45rem 1.6rem;
  }

  .thinker-result {
    margin-top: 2.15rem;
    padding: 1.15rem 1.2rem 1.35rem;
  }

  .thinker-checklist-label {
    font-size: 0.9375rem;
  }

  .thinker-checklist-desc {
    font-size: 0.875rem;
    line-height: 1.52;
  }

  .thinker-checklist-input,
  .thinker-query-draft-input {
    font-size: 0.9375rem;
    line-height: 1.55;
  }

  .thinker-result p {
    font-size: 1rem;
    line-height: 1.72;
  }

  .thinker-result ul,
  .thinker-result ol {
    font-size: 1rem;
    line-height: 1.66;
  }

  .thinker-result h2,
  .thinker-result h3:not(.thinker-result-heading) {
    font-size: 1.09375rem;
    margin-top: 1.25rem;
  }

  .thinker-actions {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.65rem;
  }

  .thinker-actions .thinker-think-btn,
  .thinker-actions .thinker-clear-btn {
    width: auto;
    min-width: 9rem;
  }
}

@media (min-width: 1200px) {
  .thinker-page {
    max-width: min(96rem, calc(100vw - 3rem));
    padding-left: 1.85rem;
    padding-right: 1.85rem;
    padding-top: calc(env(safe-area-inset-top, 0px) + 1.15rem);
  }

  .thinker-workspace {
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 26rem);
    gap: 2.25rem 2.75rem;
  }

  .thinker-heading {
    font-size: 1.625rem;
    line-height: 1.24;
    margin-bottom: 0.7rem;
  }

  .thinker-description {
    font-size: 1.0625rem;
    line-height: 1.7;
  }

  .thinker-guidance-pane {
    font-size: 0.921875rem;
    line-height: 1.6;
    padding: 1.15rem 1.3rem 1.25rem;
  }

  .thinker-result {
    margin-top: 2.35rem;
  }
}

/**
 * Scripter + Thinker: keep the route outlet top-aligned like /exporters and /pipeline.
 * Some shells (flex column + default stretch/center) vertically center
 * short main content; pin #root to flex-start when these pages are mounted.
 */
#root:has(.thinker-page),
#root:has(.scripter-page.scripter-layout) {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: stretch;
  flex: 1 1 auto;
  min-height: 100dvh;
  min-height: 100vh;
}

.scripter-page.scripter-layout {
  flex: 1 1 auto;
  min-height: 0;
  width: 100%;
  box-sizing: border-box;
}