/* DeepFact Validator — Workbench v1.1.7
 * Source: mockup/web-ui-mockup-v0.3.html <style> block
 * Brand: 紺(#1B2A4E) × ゴールド(#C9A55C) × 紙(#F8F6F1)
 * Typography: Cormorant Garamond (英欧文明朝) + Shippori Mincho B1 (和文明朝) + Inter (本文)
 * Additions vs mockup: HITL feedback modal · loading block · empty block · result-block toggle
 */
:root {
  /* === Liberaiz Brand Tokens === */
  --c-paper:        #F8F6F1;
  --c-paper-warm:   #EFEBE0;
  --c-paper-deep:   #E2DCC8;
  --c-ink:          #1B2A4E;
  --c-ink-deep:     #131F3B;
  --c-ink-soft:     #2A3B66;
  --c-ink-mute:     rgba(27, 42, 78, 0.55);
  --c-ink-faint:    rgba(27, 42, 78, 0.32);
  --c-gold:         #C9A55C;
  --c-gold-deep:    #A38440;
  --c-gold-soft:    rgba(201, 165, 92, 0.25);
  --c-safe:         #3D8A55;
  --c-warn:         #C8453B;
  --c-rule:         rgba(27, 42, 78, 0.12);
  --c-rule-soft:    rgba(27, 42, 78, 0.06);

  --f-serif-en:     'Cormorant Garamond', 'Times New Roman', serif;
  --f-serif-jp:     'Shippori Mincho B1', 'Yu Mincho', 'YuMincho', serif;
  --f-sans:         'Inter', 'Yu Gothic', 'YuGothic', 'Hiragino Sans', sans-serif;
  --f-mono:         'JetBrains Mono', 'SFMono-Regular', monospace;

  /* === PencilPlaybook spacing scale === */
  --s-2:  4px;
  --s-3:  8px;
  --s-4:  12px;
  --s-5:  16px;
  --s-6:  20px;
  --s-7:  24px;
  --s-8:  32px;
  --s-9:  40px;
  --s-10: 56px;
  --s-11: 72px;

  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
  --dur-short:   180ms;
  --dur-med:     320ms;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--f-sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* =====================================================
   TOP BAR (細い・editorial masthead)
===================================================== */
.masthead {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--s-7);
  padding: var(--s-6) var(--s-9);
  border-bottom: 1px solid var(--c-rule);
  background: rgba(248, 246, 241, 0.92);
  backdrop-filter: blur(8px);
}
.brand {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
}
.brand-mark {
  font-family: var(--f-serif-en);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-ink);
  line-height: 1;
}
.brand-jp {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--c-ink-mute);
}
.masthead-tagline {
  font-family: var(--f-serif-jp);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-ink-mute);
  text-align: center;
}
.masthead-tagline::before,
.masthead-tagline::after {
  content: "—";
  margin: 0 var(--s-4);
  color: var(--c-gold-deep);
}
.masthead-meta {
  display: flex;
  align-items: center;
  gap: var(--s-5);
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-ink-mute);
  letter-spacing: 0.06em;
}
.dot-live {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-safe);
  margin-right: var(--s-3);
}

/* =====================================================
   WORKBENCH MAIN
===================================================== */
.workbench {
  display: grid;
  grid-template-columns: minmax(0, 460px) 1px 1fr;
  min-height: calc(100vh - 64px);
  max-width: 1480px;
  margin: 0 auto;
}
.divider-v {
  background: var(--c-rule);
  width: 1px;
}

/* --- LEFT: Compose pane --- */
.compose {
  display: flex;
  flex-direction: column;
  padding: var(--s-10) var(--s-9) var(--s-9);
  gap: var(--s-8);
}
.compose-heading {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.compose-h {
  font-family: var(--f-serif-jp);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--c-ink);
}
.compose-sub {
  font-family: var(--f-serif-jp);
  font-size: 13px;
  line-height: 1.85;
  color: var(--c-ink-mute);
  max-width: 36em;
}
.compose-rule {
  width: 36px;
  height: 1px;
  background: var(--c-gold);
  margin-top: var(--s-3);
}

.compose-field {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.compose-label {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-ink-mute);
}
.compose-textarea {
  width: 100%;
  min-height: 200px;
  resize: vertical;
  padding: var(--s-5) var(--s-5);
  font-family: var(--f-serif-jp);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink);
  background: #FFFFFF;
  border: 1px solid var(--c-rule);
  outline: none;
  transition: border-color var(--dur-short) var(--ease-out);
}
.compose-textarea:hover { border-color: var(--c-ink-faint); }
.compose-textarea:focus-visible {
  border-color: var(--c-ink);
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 0;
}
.compose-textarea::placeholder {
  color: var(--c-ink-faint);
  font-family: var(--f-serif-jp);
}

.compose-samples {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  padding: var(--s-5) 0;
  border-top: 1px dashed var(--c-rule);
}
.compose-samples-label {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-ink-mute);
  margin-bottom: var(--s-2);
}
.sample-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-3);
}
.sample-chip {
  font-family: var(--f-serif-jp);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  background: transparent;
  color: var(--c-ink-soft);
  border: 1px solid var(--c-rule);
  cursor: pointer;
  transition: background var(--dur-short) var(--ease-out),
              color var(--dur-short) var(--ease-out),
              border-color var(--dur-short) var(--ease-out);
}
.sample-chip:hover {
  background: var(--c-paper-warm);
  border-color: var(--c-ink-faint);
  color: var(--c-ink);
}
.sample-chip:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 1px;
}
.sample-chip.active {
  background: var(--c-ink);
  color: var(--c-paper);
  border-color: var(--c-ink);
}

.compose-actions {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-top: auto;
  padding-top: var(--s-5);
  border-top: 1px solid var(--c-rule);
}
.btn-analyze {
  font-family: var(--f-serif-jp);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.2em;
  padding: 14px var(--s-7);
  background: var(--c-ink);
  color: var(--c-paper);
  border: none;
  cursor: pointer;
  transition: background var(--dur-short) var(--ease-out),
              letter-spacing var(--dur-med) var(--ease-out);
}
.btn-analyze:hover {
  background: var(--c-ink-deep);
  letter-spacing: 0.26em;
}
.btn-analyze:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}
.btn-analyze:disabled {
  opacity: 0.40; /* PencilPlaybook: disabled = 40%, not 50% */
  cursor: not-allowed;
}
.compose-hint {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  line-height: 1.7;
  color: var(--c-warn);
}
.compose-hint:empty { display: none; }

/* --- RIGHT: Report pane --- */
.report {
  padding: var(--s-10) var(--s-9) var(--s-9);
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
  background: linear-gradient(180deg, var(--c-paper) 0%, var(--c-paper-warm) 100%);
}
.report-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--s-7);
  padding-bottom: var(--s-5);
  border-bottom: 1px solid var(--c-rule);
}
.report-h {
  font-family: var(--f-serif-jp);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-ink);
}
.report-status {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-ink-mute);
}

/* --- Empty / Loading states --- */
.empty-block {
  padding: var(--s-9) var(--s-6);
  text-align: center;
}
.empty-msg {
  font-family: var(--f-serif-jp);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--c-ink-faint);
  line-height: 1.85;
}
.loading-block {
  padding: var(--s-9) var(--s-6);
  text-align: center;
  font-family: var(--f-serif-jp);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--c-ink-mute);
}
.loading-dot {
  display: inline-block;
  opacity: 0.2;
  animation: pulse-dot 1.4s infinite ease-in-out;
}
.loading-dot:nth-child(2) { animation-delay: 0.0s; }
.loading-dot:nth-child(3) { animation-delay: 0.2s; }
.loading-dot:nth-child(4) { animation-delay: 0.4s; }
@keyframes pulse-dot {
  0%, 80%, 100% { opacity: 0.2; }
  40% { opacity: 1; }
}

/* --- Result block fade-in --- */
@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}
.result-block {
  display: flex;
  flex-direction: column;
  gap: var(--s-8);
  animation: fade-in-up 0.45s var(--ease-out) both;
}

/* --- Verdict block: meter + meta --- */
.verdict {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: var(--s-9);
  align-items: center;
  padding: var(--s-7) var(--s-7);
  background: #FFFFFF;
  border: 1px solid var(--c-rule);
}
.verdict-meter {
  position: relative;
  width: 180px;
  height: 180px;
  margin: 0 auto;
}
.verdict-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.meter-track {
  fill: none;
  stroke: var(--c-paper-deep);
  stroke-width: 4;
}
.meter-progress {
  fill: none;
  stroke: var(--c-warn);
  stroke-width: 6;
  stroke-linecap: round;
  stroke-dasharray: 263.89;
  stroke-dashoffset: 263.89;
  transition: stroke-dashoffset 1.2s var(--ease-out),
              stroke 0.4s ease;
}
.meter-progress.high { stroke: var(--c-safe); }
.meter-progress.mid  { stroke: var(--c-gold); }
.meter-progress.low,
.meter-progress.warn { stroke: var(--c-warn); }
.meter-center {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}
.meter-label {
  font-family: var(--f-serif-jp);
  font-size: 34px;
  font-weight: 700;
  letter-spacing: 0.15em;
  line-height: 1;
  color: var(--c-warn);
  text-indent: 0.15em;
}
.meter-label.high { color: var(--c-safe); }
.meter-label.mid  { color: var(--c-gold-deep); }
.meter-label.low,
.meter-label.warn { color: var(--c-warn); }

.verdict-meta {
  display: flex;
  flex-direction: column;
  gap: var(--s-5);
}
.verdict-headline {
  font-family: var(--f-serif-jp);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--c-ink);
  letter-spacing: 0.02em;
}
.verdict-row {
  display: flex;
  align-items: baseline;
  gap: var(--s-4);
  padding-bottom: var(--s-3);
  border-bottom: 1px dashed var(--c-rule);
}
.verdict-row:last-child { border-bottom: none; padding-bottom: 0; }
.verdict-row-label {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--c-ink-mute);
  min-width: 90px;
}
.verdict-row-value {
  font-family: var(--f-serif-en);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-ink);
  letter-spacing: 0;
}
.verdict-row-value.high { color: var(--c-safe); }
.verdict-row-value.mid  { color: var(--c-gold-deep); }
.verdict-row-value.low,
.verdict-row-value.warn { color: var(--c-warn); }
.verdict-row-value.icon {
  font-family: inherit;
  font-size: 15px;
}

/* --- Summary --- */
.section-block {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
}
.section-h {
  font-family: var(--f-serif-jp);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--c-ink);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid var(--c-rule);
}
.summary-quote {
  font-family: var(--f-serif-jp);
  font-size: 15px;
  line-height: 1.95;
  color: var(--c-ink);
  letter-spacing: 0.02em;
  padding: var(--s-4) 0 0 var(--s-5);
  border-left: 2px solid var(--c-gold);
}

/* --- Structural observations (縦 stack・hanging header 廃止) --- */
.obs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
}
.obs-list li {
  font-family: var(--f-serif-jp);
  font-size: 14px;
  line-height: 1.85;
  color: var(--c-ink);
  padding: var(--s-3) 0 var(--s-3) var(--s-5);
  border-bottom: 1px dashed var(--c-rule);
  position: relative;
}
.obs-list li:last-child { border-bottom: none; }
.obs-list li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--c-gold-deep);
  font-weight: 700;
}

/* --- Primary sources --- */
.primary-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.primary-list li {
  font-family: var(--f-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--c-ink-mute);
  word-break: break-all;
  padding: var(--s-3) 0;
  border-bottom: 1px dashed var(--c-rule);
}
.primary-list li:last-child { border-bottom: none; }
.primary-list li.empty {
  font-family: var(--f-serif-jp);
  font-style: italic;
  color: var(--c-ink-faint);
}

/* --- Evidence sources (asymmetric stack・3 列均一 grid 廃止) --- */
.evidence-stack {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.evi {
  display: grid;
  grid-template-columns: 84px 1fr auto;
  gap: var(--s-5);
  align-items: baseline;
  padding: var(--s-5) 0;
  border-bottom: 1px solid var(--c-rule);
  text-decoration: none;
  color: var(--c-ink);
  transition: background var(--dur-short) var(--ease-out);
}
.evi:hover { background: rgba(201, 165, 92, 0.06); }
.evi:focus-visible {
  outline: 2px solid var(--c-gold-soft);
  outline-offset: 4px;
}
.evi-rating {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-paper);
  background: var(--c-ink);
  padding: 3px 8px;
  text-align: center;
  width: max-content;
  justify-self: start;
}
.evi-rating.warn { background: var(--c-warn); }
.evi-rating.safe { background: var(--c-safe); }
.evi-rating.accent { background: var(--c-gold); color: var(--c-ink); }
.evi-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.evi-publisher {
  font-family: var(--f-serif-jp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--c-ink);
}
.evi-title {
  font-family: var(--f-serif-jp);
  font-size: 14px;
  line-height: 1.75;
  color: var(--c-ink);
}
.evi-url {
  font-family: var(--f-mono);
  font-size: 11px;
  color: var(--c-ink-mute);
  letter-spacing: 0.03em;
  align-self: center;
  text-align: right;
  word-break: break-all;
}

/* =====================================================
   HITL FEEDBACK LINK + MODAL
   (overlay.css の HITL UI を Workbench に流用)
===================================================== */
.feedback-link-wrap {
  margin-top: var(--s-3);
  padding-top: var(--s-5);
  border-top: 1px dashed var(--c-rule);
  text-align: center;
}
.feedback-link {
  font-family: var(--f-serif-jp);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-ink-mute);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--c-ink-faint);
  transition: color var(--dur-short) var(--ease-out),
              text-decoration-color var(--dur-short) var(--ease-out);
}
.feedback-link:hover {
  color: var(--c-gold-deep);
  text-decoration-color: var(--c-gold-deep);
}

.feedback-modal {
  position: fixed;
  inset: 0;
  z-index: 99999;
  font-family: var(--f-sans);
  color: var(--c-ink);
}
.feedback-modal * { box-sizing: border-box; }
.feedback-modal .fb-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(27, 42, 78, 0.55);
  animation: fb-fade 0.25s var(--ease-out) both;
}
.feedback-modal .fb-dialog {
  position: relative;
  width: min(460px, calc(100% - 32px));
  margin: 12vh auto 0;
  background: #FFFFFF;
  border: 1px solid var(--c-ink);
  border-left: 4px solid var(--c-gold);
  border-radius: 2px;
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.28);
  animation: fb-pop 0.35s var(--ease-out) both;
  overflow: hidden;
}
.feedback-modal .fb-head {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  background: var(--c-ink);
  color: var(--c-paper);
  letter-spacing: 0.05em;
}
.feedback-modal .fb-title {
  flex: 1;
  font-family: var(--f-serif-jp);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--c-gold);
}
.feedback-modal .fb-close {
  cursor: pointer;
  padding: 0 6px;
  font-size: 20px;
  line-height: 1;
  color: var(--c-paper);
  opacity: 0.7;
  transition: opacity 0.15s;
}
.feedback-modal .fb-close:hover { opacity: 1; }
.feedback-modal .fb-body {
  padding: 20px 22px 22px;
  background: var(--c-paper);
}
.feedback-modal .fb-question {
  font-family: var(--f-serif-jp);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  margin: 0 0 16px;
  color: var(--c-ink);
  line-height: 1.6;
}
.feedback-modal .fb-options {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  margin-bottom: var(--s-5);
}
.feedback-modal .fb-opt {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding: 12px 16px;
  font-family: var(--f-sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: left;
  color: var(--c-ink);
  background: #FFFFFF;
  border: 1px solid var(--c-rule);
  border-left: 3px solid var(--c-gold-soft);
  border-radius: 1px;
  transition: background 0.18s ease, border-color 0.18s ease,
              color 0.18s ease, transform 0.12s ease;
}
.feedback-modal .fb-opt:hover:not(:disabled) {
  background: #EAF3EC;
  border-color: rgba(45, 90, 64, 0.4);
  border-left-color: #2D5A40;
  transform: translateX(2px);
}
.feedback-modal .fb-opt.fb-opt-selected {
  background: #2D5A40;
  color: var(--c-paper);
  border-color: #2D5A40;
  border-left-color: var(--c-gold);
}
.feedback-modal .fb-opt:disabled {
  cursor: not-allowed;
  opacity: 0.65;
}
.feedback-modal .fb-note {
  margin: 0;
  font-size: 11px;
  line-height: 1.6;
  color: var(--c-ink-mute);
  letter-spacing: 0.03em;
}
.feedback-modal .fb-done {
  margin: 14px 0 0;
  padding: 12px 14px;
  font-family: var(--f-serif-jp);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-align: center;
  color: #2D5A40;
  background: #EAF3EC;
  border-left: 3px solid #2D5A40;
  border-radius: 1px;
  animation: fb-fade 0.4s var(--ease-out) both;
}

@keyframes fb-fade {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes fb-pop {
  from { opacity: 0; transform: translateY(-8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* =====================================================
   COLOPHON (Footer・1-line・editorial close)
===================================================== */
.colophon {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: var(--s-7);
  padding: var(--s-7) var(--s-9);
  border-top: 1px solid var(--c-rule);
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-ink-mute);
}
.colophon-left {
  display: flex;
  align-items: center;
  gap: var(--s-5);
}
.colophon-brand {
  font-family: var(--f-serif-en);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-ink);
}
.colophon-jp {
  font-family: var(--f-serif-jp);
  font-size: 11px;
  letter-spacing: 0.15em;
  color: var(--c-ink-mute);
}
.colophon-entries {
  display: flex;
  gap: var(--s-5);
}
.colophon-entries span::before {
  content: "·";
  margin-right: var(--s-3);
  color: var(--c-gold);
}

/* =====================================================
   RESPONSIVE — Mobile gates
===================================================== */
@media (max-width: 980px) {
  .workbench {
    grid-template-columns: minmax(0, 1fr);
  }
  .divider-v { display: none; }
  .compose { padding: var(--s-8) var(--s-7) var(--s-7); }
  .report { padding: var(--s-8) var(--s-7) var(--s-7); border-top: 1px solid var(--c-rule); }
  .verdict {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--s-7);
    text-align: left;
  }
  .verdict-meter { margin: 0 auto; }
  .masthead { padding: var(--s-5) var(--s-7); grid-template-columns: 1fr auto; }
  .masthead-tagline { display: none; }
  .compose-h { font-size: 22px; }
}
@media (max-width: 560px) {
  .colophon { grid-template-columns: 1fr; gap: var(--s-3); }
  .colophon-entries { flex-wrap: wrap; gap: var(--s-3); }
  .evi { grid-template-columns: minmax(0, 1fr); }
  .evi-url { text-align: left; }
}