/* ==========================================================================
   BIBLIO.GRAPH — CLEAN EDITORIAL STYLESHEET
   Strictly 0px border-radius, Spacious Hierarchy, Kinetic Motion Design
   ========================================================================== */

:root,
[data-theme="paper"] {
  --bg-page: #F7F6F2;
  --bg-surface: #FFFFFF;
  --bg-subtle: #EFECE6;
  --ink-main: #141413;
  --ink-sub: #52514E;
  --ink-muted: #85837D;
  --border-strong: #141413;
  --border-soft: #DCD9D0;
  --accent: #D13415;
  --accent-bg: rgba(209, 52, 21, 0.08);

  /* Color coding for Anatomy X-Ray (when toggled on) */
  --part-author: rgba(209, 52, 21, 0.16);
  --part-author-bar: #D13415;
  --part-year: rgba(18, 104, 179, 0.15);
  --part-year-bar: #1268B3;
  --part-title: rgba(24, 128, 72, 0.15);
  --part-title-bar: #188048;
  --part-container: rgba(138, 58, 185, 0.15);
  --part-container-bar: #8A3AB9;
  --part-locator: rgba(184, 115, 9, 0.16);
  --part-locator-bar: #B87309;
  --part-identifier: rgba(15, 122, 133, 0.15);
  --part-identifier-bar: #0F7A85;
}

[data-theme="ink"] {
  --bg-page: #111110;
  --bg-surface: #1A1A18;
  --bg-subtle: #222220;
  --ink-main: #F2F0EA;
  --ink-sub: #B8B5AD;
  --ink-muted: #7D7B74;
  --border-strong: #E6E4DD;
  --border-soft: #2E2E2B;
  --accent: #FF5436;
  --accent-bg: rgba(255, 84, 54, 0.14);

  --part-author: rgba(255, 84, 54, 0.24);
  --part-author-bar: #FF5436;
  --part-year: rgba(56, 158, 255, 0.22);
  --part-year-bar: #389EFF;
  --part-title: rgba(52, 205, 120, 0.22);
  --part-title-bar: #34CD78;
  --part-container: rgba(196, 118, 255, 0.22);
  --part-container-bar: #C476FF;
  --part-locator: rgba(255, 180, 50, 0.22);
  --part-locator-bar: #FFB432;
  --part-identifier: rgba(45, 212, 224, 0.22);
  --part-identifier-bar: #2DD4E0;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-radius: 0 !important;
}

html {
  font-size: 15px;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background-color: var(--bg-page);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ==========================================================================
   TOP HEADER
   ========================================================================== */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  height: 64px;
  background-color: var(--bg-surface);
  border-bottom: 2px solid var(--border-strong);
  gap: 20px;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.brand-mark {
  font-family: 'Inter', sans-serif;
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.accent-dot {
  color: var(--accent);
}

.brand-subtitle {
  font-size: 0.85rem;
  color: var(--ink-sub);
  font-weight: 500;
}

.header-nav {
  display: flex;
  height: 100%;
}

.nav-view-btn {
  appearance: none;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border-soft);
  border-right: 1px solid var(--border-soft);
  padding: 0 22px;
  height: 100%;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-sub);
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.nav-view-btn + .nav-view-btn {
  border-left: none;
}

.nav-view-btn:hover {
  background-color: var(--bg-subtle);
  color: var(--ink-main);
}

.nav-view-btn.is-active {
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

.nav-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  color: var(--accent);
  font-weight: 700;
}

.btn-ghost {
  background: transparent;
  border: 1px solid var(--border-soft);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 7px 14px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.btn-ghost:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-subtle);
}

/* ==========================================================================
   VIEW CONTAINERS
   ========================================================================== */
.view-container[hidden] {
  display: none !important;
}

.view-container {
  max-width: 1520px;
  margin: 0 auto;
  padding: 24px 28px 48px;
  animation: fadeSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   STEP 1 & STEP 2 SETTINGS BAR
   ========================================================================== */
.settings-bar {
  display: grid;
  grid-template-columns: minmax(0, 1.75fr) minmax(0, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.setting-block {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 12px;
}

.setting-label-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.step-tag {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  background-color: var(--ink-main);
  color: var(--bg-surface);
  padding: 2px 7px;
}

.setting-title {
  font-size: 0.92rem;
  font-weight: 700;
}

.active-rule-hint {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 600;
}

/* Discipline Style Tabs */
.style-tabs {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  border: 1px solid var(--border-soft);
  position: relative;
  background-color: var(--bg-page);
}

.style-tab {
  appearance: none;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-soft);
  padding: 10px 10px 12px;
  text-align: left;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
  color: var(--ink-sub);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.style-tab:last-of-type {
  border-right: none;
}

.style-tab:hover {
  background-color: var(--bg-surface);
  color: var(--ink-main);
}

.style-tab.is-active {
  background-color: var(--bg-surface);
  color: var(--ink-main);
}

.tab-main {
  font-size: 0.9rem;
  font-weight: 700;
}

.style-tab.is-active .tab-main {
  color: var(--accent);
}

.tab-sub {
  font-size: 0.72rem;
  color: var(--ink-muted);
}

.tab-active-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background-color: var(--accent);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1),
              width 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

/* Segmented Mode Switch */
.target-controls {
  display: flex;
  align-items: center;
  height: 100%;
}

.segmented-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 100%;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-page);
}

.seg-btn {
  appearance: none;
  background: transparent;
  border: none;
  border-right: 1px solid var(--border-soft);
  padding: 13px 12px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--ink-sub);
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.seg-btn:last-child {
  border-right: none;
}

.seg-btn:hover {
  background-color: var(--bg-surface);
  color: var(--ink-main);
}

.seg-btn.is-active {
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

/* ==========================================================================
   MAIN 2-COLUMN WORKSPACE
   ========================================================================== */
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 44%) minmax(0, 56%);
  gap: 24px;
  align-items: start;
}

.workspace-col {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 22px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.col-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
  gap: 12px;
}

.col-header > div:first-child {
  display: flex;
  align-items: center;
  gap: 10px;
}

.col-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.col-header-actions {
  display: flex;
  gap: 8px;
}

.btn-outline {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.btn-outline:hover {
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

.btn-clear:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.helper-note {
  margin: 0;
  font-size: 0.84rem;
  color: var(--ink-sub);
  line-height: 1.6;
}

.helper-note code {
  font-family: 'JetBrains Mono', monospace;
  background-color: var(--bg-subtle);
  padding: 2px 6px;
  font-size: 0.8rem;
}

/* Batch Input Textarea with Gutter */
.editor-box {
  display: grid;
  grid-template-columns: 40px 1fr;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-page);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.editor-box:focus-within {
  border-color: var(--accent);
  box-shadow: 4px 4px 0 var(--border-strong);
  background-color: var(--bg-surface);
}

.line-gutter {
  background-color: var(--bg-subtle);
  border-right: 1px solid var(--border-soft);
  padding: 14px 6px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem;
  line-height: 1.8;
  color: var(--ink-muted);
  text-align: right;
  user-select: none;
  display: flex;
  flex-direction: column;
}

.batch-textarea {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--ink-main);
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.86rem;
  line-height: 1.8;
  padding: 14px 16px;
  resize: vertical;
  min-height: 230px;
  outline: none;
}

/* Input Options Row */
.input-options-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

.clean-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 0.82rem;
  font-weight: 500;
}

.clean-checkbox input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox-box {
  width: 15px;
  height: 15px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  display: inline-block;
  position: relative;
}

.clean-checkbox input:checked + .checkbox-box {
  background-color: var(--accent);
  border-color: var(--accent);
}

.clean-checkbox input:checked + .checkbox-box::after {
  content: "";
  position: absolute;
  left: 4px;
  top: 1px;
  width: 4px;
  height: 8px;
  border: solid #FFFFFF;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.inline-option {
  display: flex;
  align-items: center;
  gap: 6px;
}

.clean-select {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.8rem;
  padding: 5px 10px;
  outline: none;
}

/* Primary Compile Button with Progress Animation */
.btn-primary-compile {
  appearance: none;
  background-color: var(--ink-main);
  color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 15px 20px;
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.94rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  overflow: hidden;
  transition: background-color 0.22s ease, transform 0.15s ease;
}

.btn-primary-compile:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.btn-primary-compile:active {
  transform: translateY(1px);
}

.compile-sub-text {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  opacity: 0.8;
  border: 1px solid currentColor;
  padding: 2px 7px;
}

.compile-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 4px;
  width: 0%;
  background-color: var(--accent);
  transition: width 0.3s ease;
}

.btn-primary-compile.is-loading .compile-progress {
  width: 100%;
  background-color: #FFFFFF;
  animation: progressSweep 1.2s infinite ease-in-out;
}

@keyframes progressSweep {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Current Rule Summary Box */
.current-rule-card {
  background-color: var(--bg-page);
  border: 1px solid var(--border-soft);
  padding: 14px 16px;
}

.rule-card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 0.86rem;
}

.rule-card-badge {
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 1px 6px;
}

.rule-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  border-top: 1px solid var(--border-soft);
  padding-top: 10px;
}

.rule-meta-label {
  font-size: 0.74rem;
  color: var(--ink-muted);
  font-weight: 600;
}

.rule-meta-val {
  margin: 2px 0 0 0;
  font-size: 0.82rem;
  color: var(--ink-main);
  font-weight: 500;
}

/* ==========================================================================
   RIGHT COLUMN: FORMATTED OUTPUT CARDS
   ========================================================================== */
.output-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
}

.count-badge {
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-soft);
  padding: 2px 9px;
}

.output-controls-bar {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}

.segmented-mini {
  display: inline-flex;
  border: 1px solid var(--border-strong);
}

.seg-mini-btn {
  background-color: var(--bg-surface);
  border: none;
  border-right: 1px solid var(--border-soft);
  color: var(--ink-sub);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  cursor: pointer;
}

.seg-mini-btn:last-child {
  border-right: none;
}

.seg-mini-btn.is-active {
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

/* Optional Color Legend */
.xray-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px 14px;
  background-color: var(--bg-page);
  border: 1px solid var(--border-soft);
  font-size: 0.76rem;
}

.xray-legend[hidden] {
  display: none !important;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  font-weight: 600;
}

.legend-item::before {
  content: "";
  width: 8px;
  height: 8px;
  display: inline-block;
}

.legend-item[data-part="author"]::before { background-color: var(--part-author-bar); }
.legend-item[data-part="year"]::before { background-color: var(--part-year-bar); }
.legend-item[data-part="title"]::before { background-color: var(--part-title-bar); }
.legend-item[data-part="container"]::before { background-color: var(--part-container-bar); }
.legend-item[data-part="locator"]::before { background-color: var(--part-locator-bar); }
.legend-item[data-part="identifier"]::before { background-color: var(--part-identifier-bar); }

/* Color-coded tokens when body has data-xray="on" */
[data-xray="on"] .c-tok[data-part="author"] {
  background-color: var(--part-author);
  border-bottom: 2px solid var(--part-author-bar);
}
[data-xray="on"] .c-tok[data-part="year"] {
  background-color: var(--part-year);
  border-bottom: 2px solid var(--part-year-bar);
}
[data-xray="on"] .c-tok[data-part="title"] {
  background-color: var(--part-title);
  border-bottom: 2px solid var(--part-title-bar);
}
[data-xray="on"] .c-tok[data-part="container"] {
  background-color: var(--part-container);
  border-bottom: 2px solid var(--part-container-bar);
}
[data-xray="on"] .c-tok[data-part="locator"] {
  background-color: var(--part-locator);
  border-bottom: 2px solid var(--part-locator-bar);
}
[data-xray="on"] .c-tok[data-part="identifier"] {
  background-color: var(--part-identifier);
  border-bottom: 2px solid var(--part-identifier-bar);
}

/* Batch Copy Bar */
.batch-copy-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 10px 14px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-soft);
}

.copy-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn-copy-all {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.btn-copy-all:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.filter-sort-inline {
  display: flex;
  align-items: center;
  gap: 12px;
}

.copy-toast {
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
}

/* Results List */
.results-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.category-divider {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background-color: var(--ink-main);
  color: var(--bg-surface);
  font-size: 0.82rem;
  font-weight: 700;
  margin-top: 6px;
}

.result-card {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
  animation: fadeSlideUp 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--stagger, 0) * 40ms);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.result-card:hover {
  box-shadow: 4px 4px 0 var(--border-strong);
}

.result-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  background-color: var(--bg-page);
  border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
  gap: 8px;
}

.result-card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.ref-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ink-main);
}

.source-type-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 1px 7px;
  border: 1px solid var(--border-strong);
  background-color: var(--bg-surface);
}

.resolved-badge {
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.7rem;
  color: var(--accent);
  background-color: var(--accent-bg);
  padding: 1px 7px;
  font-weight: 600;
}

.result-card-actions {
  display: flex;
  gap: 6px;
}

.btn-card-small {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-card-small:hover {
  border-color: var(--border-strong);
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

.btn-card-small.btn-del:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.result-card-body {
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.output-section-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
}

.output-section-row + .output-section-row {
  padding-top: 12px;
  border-top: 1px dashed var(--border-soft);
}

.output-row-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--ink-muted);
}

.bib-formatted-box {
  font-family: 'Shippori Mincho', 'Times New Roman', serif;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--ink-main);
  padding-left: 2em;
  text-indent: -2em;
  word-break: break-word;
}

.intext-options-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.intext-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border-soft);
  background-color: var(--bg-page);
  padding: 4px 11px;
  font-family: 'Shippori Mincho', 'Times New Roman', serif;
  font-size: 0.92rem;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.intext-chip:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-subtle);
}

.intext-chip-label {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
}

/* Matrix Comparison Table (when All Compare is selected) */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
}

.matrix-table td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border-soft);
  vertical-align: baseline;
}

.matrix-table tr:last-child td {
  border-bottom: none;
}

.matrix-std-col {
  width: 110px;
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent);
}

/* Unified Manuscript Drawer */
.manuscript-drawer {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-page);
  margin-top: 4px;
}

.manuscript-summary {
  padding: 12px 16px;
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--bg-subtle);
  user-select: none;
}

.summary-hint {
  font-size: 0.74rem;
  color: var(--ink-muted);
  font-weight: 500;
}

.manuscript-paper {
  padding: 20px 24px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-soft);
  font-family: 'Shippori Mincho', 'Times New Roman', serif;
  font-size: 0.96rem;
  line-height: 1.85;
}

.manuscript-paper-heading {
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.84rem;
  font-weight: 700;
  border-bottom: 1px solid var(--border-strong);
  padding-bottom: 6px;
  margin-bottom: 12px;
}

.manuscript-item {
  padding-left: 2em;
  text-indent: -2em;
  margin-bottom: 8px;
  word-break: break-word;
}

/* ==========================================================================
   VIEW 02: SPECIFICATION GUIDE PAGE
   ========================================================================== */
.guide-page {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  padding: 32px;
}

.guide-page-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-soft);
}

.guide-main-title {
  margin: 8px 0 10px 0;
  font-size: 1.4rem;
}

.guide-lead {
  margin: 0;
  font-size: 0.92rem;
  color: var(--ink-sub);
  max-width: 820px;
}

.guide-tabs-bar {
  display: flex;
  gap: 8px;
  margin: 24px 0;
  flex-wrap: wrap;
}

.guide-tab {
  background-color: var(--bg-page);
  border: 1px solid var(--border-strong);
  color: var(--ink-sub);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.86rem;
  font-weight: 600;
  padding: 10px 18px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.guide-tab.is-active {
  background-color: var(--ink-main);
  color: var(--bg-surface);
}

.guide-pane {
  display: none;
  animation: fadeSlideUp 0.3s ease both;
}

.guide-pane.is-active {
  display: block;
}

.guide-cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.guide-cards-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.guide-cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.info-card {
  border: 1px solid var(--border-soft);
  background-color: var(--bg-page);
  padding: 22px;
}

.info-card-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 6px;
}

.info-card h3 {
  margin: 0 0 10px 0;
  font-size: 1.02rem;
}

.info-card p {
  margin: 0 0 12px 0;
  font-size: 0.88rem;
  color: var(--ink-sub);
}

.example-box {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  padding: 10px 12px;
  margin-top: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.example-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent);
}

.example-box code {
  font-family: 'Shippori Mincho', serif;
  font-size: 0.88rem;
}

.clean-list,
.clean-ol {
  margin: 0;
  padding-left: 20px;
  font-size: 0.88rem;
}

.clean-list li + li,
.clean-ol li + li {
  margin-top: 8px;
}

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-strong);
}

.clean-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.clean-spec-table th,
.clean-spec-table td {
  border: 1px solid var(--border-soft);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}

.clean-spec-table th {
  background-color: var(--ink-main);
  color: var(--bg-surface);
  font-weight: 700;
}

.text-muted {
  font-size: 0.76rem;
  color: var(--ink-muted);
}

/* ==========================================================================
   MODAL SHEET
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 15, 14, 0.68);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop[hidden] {
  display: none !important;
}

.modal-sheet {
  width: 100%;
  max-width: 680px;
  max-height: 92vh;
  overflow-y: auto;
  overflow-x: hidden;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-strong);
  box-shadow: 10px 10px 0 var(--border-strong);
  animation: fadeSlideUp 0.25s ease both;
}

.modal-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--border-soft);
  background-color: var(--bg-page);
}

.modal-title {
  margin: 4px 0 0 0;
  font-size: 1.05rem;
}

.record-form {
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 14px;
}

.form-grid-year-title {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 14px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.form-grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
}

.form-field label {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ink-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.form-input {
  width: 100%;
  min-width: 0;
  background-color: var(--bg-page);
  border: 1px solid var(--border-strong);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.88rem;
  padding: 8px 10px;
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  background-color: var(--bg-surface);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border-soft);
}

.btn-save {
  background-color: var(--ink-main);
  color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 9px 20px;
  cursor: pointer;
}

.btn-save:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

/* ==========================================================================
   BOOK & PAPER SEARCH PANEL / CANDIDATE SWITCHER / INLINE PAGE INPUT
   ========================================================================== */
.book-search-panel {
  border: 1px solid var(--border-strong);
  background-color: var(--bg-subtle);
  padding: 12px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.book-search-header {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.book-search-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 1px 6px;
}

.book-search-title {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink-main);
}

.book-search-bar {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 6px;
}

.book-search-input {
  width: 100%;
  border: 1px solid var(--border-soft);
  background-color: var(--bg-surface);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.84rem;
  padding: 7px 10px;
}

.book-search-input:focus {
  outline: none;
  border-color: var(--border-strong);
}

.book-search-select {
  height: 100%;
  padding: 0 8px;
}

.btn-book-search {
  background-color: var(--ink-main);
  color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 6px 14px;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.btn-book-search:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.book-search-results {
  border-top: 1px solid var(--border-soft);
  padding-top: 8px;
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.search-cand-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  padding: 8px 10px;
  font-size: 0.82rem;
}

.search-cand-item:hover {
  border-color: var(--border-strong);
}

.search-cand-info {
  min-width: 0;
  flex: 1;
}

.search-cand-title {
  font-weight: 700;
  color: var(--ink-main);
  line-height: 1.35;
}

.search-cand-sub {
  font-size: 0.75rem;
  color: var(--ink-sub);
  margin-top: 2px;
}

.card-quick-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px dashed var(--border-soft);
  font-size: 0.78rem;
  color: var(--ink-sub);
}

.inline-page-group {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.inline-page-input {
  width: 96px;
  border: 1px solid var(--border-soft);
  background-color: var(--bg-page);
  color: var(--ink-main);
  font-family: 'JetBrains Mono', 'Noto Sans JP', monospace;
  font-size: 0.76rem;
  padding: 3px 7px;
}

.inline-page-input:focus {
  outline: none;
  border-color: var(--border-strong);
}

.cand-switcher-drawer {
  margin-top: 8px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-soft);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.cand-option-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-soft);
  padding: 5px 8px;
  font-size: 0.78rem;
}

.warn-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: #B45309;
  background-color: #FEF3C7;
  border: 1px solid #F59E0B;
  padding: 1px 6px;
}

.modal-autofill-bar {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px 12px;
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-soft);
  margin-bottom: 4px;
}

.input-checks-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.btn-undo {
  font-size: 0.76rem;
  padding: 5px 10px;
}

.btn-undo[hidden] {
  display: none !important;
}

.isbn-badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--ink-sub);
  background-color: var(--bg-subtle);
  border: 1px solid var(--border-soft);
  padding: 1px 6px;
}

.btn-cand-toggle,
.btn-add-cand,
.btn-retry {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  color: var(--ink-main);
  font-family: 'Inter', 'Noto Sans JP', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 9px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.btn-cand-toggle:hover,
.btn-add-cand:hover,
.btn-retry:hover {
  background-color: var(--accent);
  border-color: var(--accent);
  color: #FFFFFF;
}

.cand-option-row {
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.cand-option-row:hover {
  border-color: var(--accent);
  background-color: var(--bg-page);
}

.drag-handle {
  cursor: grab;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem;
  color: var(--ink-muted);
  padding: 0 4px;
  user-select: none;
}

.drag-handle:active {
  cursor: grabbing;
}

.result-card.is-dragging {
  opacity: 0.55;
  border-style: dashed;
}

.result-card.is-drag-over {
  border-top: 3px solid var(--accent);
}

.dup-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent);
  background-color: var(--accent-bg);
  border: 1px solid var(--accent);
  padding: 1px 6px;
}

[data-theme="ink"] .warn-badge {
  color: #FCD34D;
  background-color: rgba(245, 158, 11, 0.18);
  border-color: #F59E0B;
}

.col-input.is-dragover {
  outline: 2px dashed var(--accent);
  outline-offset: -4px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1180px) {
  .settings-bar,
  .main-grid {
    grid-template-columns: 1fr;
  }
  .guide-cards-grid-3,
  .guide-cards-grid-4 {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 760px) {
  .app-header {
    flex-wrap: wrap;
    height: auto;
    padding: 12px 16px;
  }
  .brand-subtitle {
    display: none;
  }
  .style-tabs {
    grid-template-columns: repeat(2, 1fr);
  }
  .segmented-group,
  .rule-card-grid,
  .output-section-row,
  .guide-cards-grid-3,
  .guide-cards-grid-4,
  .guide-cards-grid-2,
  .form-grid-2,
  .form-grid-year-title,
  .form-grid-3,
  .form-grid-4 {
    grid-template-columns: 1fr;
  }
}