/* ===========================================
   ZenRead Academic · Conference Detail Page
   High-density Editorial Layout
   (Styles unique to detail.html; shared components in main.css)
============================================ */

/* — Breadcrumb ————————————————————— */
.breadcrumb {
  padding: var(--space-md) 0;
  font-family: var(--font-ui);
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  border-bottom: 1px solid var(--color-border-light);
  background: var(--color-surface);
}
.breadcrumb .container {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 6px;
  overflow: hidden;
  max-width: var(--container-max);
}
.breadcrumb a { color: var(--color-text-secondary); text-decoration: none; flex-shrink: 0; }
.breadcrumb a:hover { color: var(--color-primary-500); text-decoration: underline; }
.breadcrumb span { color: var(--color-text-tertiary); flex-shrink: 0; }
.breadcrumb .breadcrumb-current {
  color: var(--color-text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
  flex: 1;
}

/* — Detail Header ———————————————————─ */
.detail-header {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
}
.detail-badges {
  display: flex;
  gap: 6px;
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}
.detail-title {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  max-width: 860px;
}
.detail-header-id {
  display: inline-block;
  margin-left: 0.5em;
  padding: 2px 10px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  background: var(--color-surface-2, #f1f5f9);
  border: 1px solid var(--color-border-light);
  border-radius: 999px;
  vertical-align: middle;
  white-space: nowrap;
}
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
}
.detail-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.detail-meta__item svg { width: 16px; height: 16px; color: var(--color-text-tertiary); flex-shrink: 0; }

/* Header extras: tags row */
.detail-header-extras {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
}
.detail-header-tag {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  line-height: 1.5;
}
.detail-header-tag--deadline {
  background: #FFF8EB;
  color: var(--color-warning);
  border: 1px solid #F5D79E;
}
.detail-header-tag--deadline.detail-header-tag--urgent {
  background: #FCE9EC;
  color: var(--color-danger);
  border-color: #F0B8C4;
}
.detail-header-tag--deadline.detail-header-tag--passed {
  background: #EAF5EF;
  color: var(--color-success);
  border-color: #B7DFC8;
}
.detail-header-tag--edition {
  background: var(--color-primary-50);
  color: var(--color-primary-500);
  border: 1px solid var(--color-primary-100);
}

/* 截稿倒计时 */
.detail-countdown {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 18px;
  background: #FFF8EB;
  border: 1px solid #F5D79E;
  border-radius: var(--radius-md);
}
.detail-countdown--urgent {
  background: #FCE9EC;
  border-color: #F0B8C4;
  animation: countdownPulse 2s ease-in-out infinite;
}
.detail-countdown--passed {
  background: #EAF5EF;
  border-color: #B7DFC8;
}
.detail-countdown__label {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  letter-spacing: 0.04em;
}
.detail-countdown__days {
  font-family: var(--font-mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-warning);
}
.detail-countdown--urgent .detail-countdown__days { color: var(--color-danger); }
.detail-countdown--passed .detail-countdown__days { color: var(--color-success); }
.detail-countdown__days span {
  font-size: 0.875rem;
  font-weight: 500;
  margin-left: 2px;
}
.detail-countdown__date {
  font-family: var(--font-ui);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
}

.detail-header-tag--onsite {
  background: #EEF2FA;
  color: var(--color-accent-blue);
  border: 1px solid #D0D9F0;
}
.detail-header-tag--online {
  background: #EAFAF1;
  color: var(--color-accent-green);
  border: 1px solid #B7DFC8;
}
.detail-header-tag--hybrid {
  background: #F4F0FD;
  color: var(--color-accent-purple);
  border: 1px solid #D3C8F5;
}
.detail-header-tag--open {
  background: #EAFAF1;
  color: var(--color-accent-green);
  border: 1px solid #B7DFC8;
}
.detail-header-tag--closing {
  background: #FFF4E0;
  color: var(--color-warning);
  border: 1px solid #F5D79E;
}
.detail-header-tag--closed {
  background: #F4F6F8;
  color: var(--color-text-tertiary);
  border: 1px solid var(--color-border-light);
}

/* Highlights list in header */
.highlights-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: var(--space-md);
}
.highlight-chip {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #F0F4FF, #E8EEFA);
  border: 1px solid #D0D9F0;
  font-family: var(--font-ui);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary-600);
}

/* — Detail Layout ———————————————————─ */
.detail-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: var(--space-2xl);
  padding: var(--space-xl) 0;
  align-items: start;
  min-width: 0;
}

.detail-content {
  min-width: 0;
  max-width: 100%;
}

/* — Sidebar Nav ————————————————————─ */
.detail-sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}
.detail-sidebar__nav {
  list-style: none;
  border-left: 1px solid var(--color-border-light);
}
.detail-sidebar__nav li {
  margin-bottom: 2px;
}
.detail-sidebar__nav a {
  display: block;
  padding: 6px 0 6px var(--space-md);
  font-family: var(--font-ui);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: all var(--transition-fast);
}
.detail-sidebar__nav a:hover {
  color: var(--color-text-primary);
  border-left-color: var(--color-border);
}
.detail-sidebar__nav a.active {
  color: var(--color-primary-500);
  border-left-color: var(--color-primary-500);
  background: var(--color-primary-50);
}
.detail-sidebar__cta {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}

/* 侧边栏截稿倒计时 */
.detail-sidebar__countdown {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border-light);
}
.detail-sidebar__countdown-inner {
  padding: 14px 16px;
  background: #FFF8EB;
  border: 1px solid #F5D79E;
  border-radius: var(--radius-md);
  text-align: center;
}
.detail-sidebar__countdown--urgent {
  background: #FCE9EC;
  border-color: #F0B8C4;
  animation: countdownPulse 2s ease-in-out infinite;
}
.detail-sidebar__countdown--passed {
  background: #EAF5EF;
  border-color: #B7DFC8;
}
.detail-sidebar__countdown-label {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: 4px;
}
.detail-sidebar__countdown-days {
  font-family: var(--font-ui);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-warning);
}
.detail-sidebar__countdown--urgent .detail-sidebar__countdown-days { color: var(--color-danger); }
.detail-sidebar__countdown--passed .detail-sidebar__countdown-days { color: var(--color-success); }
.detail-sidebar__countdown-days span { font-family: var(--font-body); font-size: 0.875rem; font-weight: 500; margin-left: 2px; }
.detail-sidebar__countdown-date { font-family: var(--font-body); font-size: 0.75rem; color: var(--color-text-secondary); margin-top: 4px; }
@keyframes countdownPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(214,59,59,0.15); }
  50% { box-shadow: 0 0 0 8px rgba(214,59,59,0); }
}

/* — Content Area ———————————————————— */
.detail-content section {
  padding-bottom: var(--space-2xl);
  margin-bottom: var(--space-2xl);
  border-bottom: 1px solid var(--color-border-light);
}
.detail-content section:last-child { border-bottom: none; }

.section-title {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

/* Lead paragraph */
.lead {
  font-size: 1.125rem;
  line-height: 1.65;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-lg);
}

/* Regular paragraph */
.detail-content p {
  font-size: 1rem;
  line-height: 1.65;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

/* ═══════════════════════════════════════════════════════
   NEW SECTIONS
   ═══════════════════════════════════════════════════════ */

.detail-notfound {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-4xl, 4rem) 0;
}
.detail-notfound__title {
  font-family: var(--font-heading);
  margin-bottom: 1rem;
}
.detail-notfound__text {
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}
.sg-notes {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* — Cover Image ———————————————————— */
.detail-cover--placeholder {
  aspect-ratio: 1920 / 700;
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 100%);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.3);
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-lg);
}
.detail-cover-img {
  display: block;
  width: 100%;
  height: 100%;
  aspect-ratio: 1920 / 700;
  object-fit: cover;
  object-position: center;
  background: #0a1628;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-lg);
}

/* — Info Table ————————————————————─ */
.detail-info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-xl);
  font-family: var(--font-ui);
  font-size: 0.9375rem;
}
.detail-info-table th {
  text-align: left;
  width: 120px;
  padding: var(--space-xs) var(--space-md);
  color: var(--color-text-tertiary);
  font-weight: 500;
  font-size: 0.8125rem;
  border-bottom: 1px solid var(--color-border-light);
  vertical-align: top;
}
.detail-info-table td {
  padding: var(--space-xs) var(--space-md);
  color: var(--color-text-primary);
  border-bottom: 1px solid var(--color-border-light);
}
.detail-info-link {
  color: var(--color-primary-600);
  text-decoration: none;
  word-break: break-all;
}
.detail-info-link:hover {
  text-decoration: underline;
}

/* — Highlight Feature List ————————— */
.highlight-feature-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr));
  gap: var(--space-sm);
}
.highlight-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  color: var(--color-text-primary);
}
.highlight-feature-icon {
  color: var(--color-accent-orange);
  font-size: 1.125rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* — Publication Info Cards ————————— */
.pub-info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: var(--space-md);
}
.pub-info-card {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.pub-info-card--full { grid-column: 1 / -1; }
.pub-info-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-2xs);
}
.pub-info-card__value {
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  line-height: 1.5;
}
.pub-info-card__value .badge {
  display: inline-block;
  margin-right: 4px;
  margin-bottom: 2px;
}

/* Simplified publication card */
.pub-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}
.pub-card__logo {
  width: 100px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-light);
  flex-shrink: 0;
  overflow: hidden;
  padding: 6px;
}
.pub-logo-img { max-width: 100%; max-height: 100%; object-fit: contain; }
.pub-logo-fallback {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-text-tertiary);
  letter-spacing: 0.05em;
}
.pub-card__body { flex: 1; min-width: 0; }
.pub-card__publisher { font-family: var(--font-heading); font-size: 1.125rem; font-weight: 700; color: var(--color-text-primary); }
.pub-card__isbn {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 0.35rem;
}

.pub-card__desc { font-size: 0.8125rem; color: var(--color-text-secondary); margin-top: 4px; }
.pub-card__badges { display: flex; gap: 6px; flex-wrap: wrap; flex-shrink: 0; margin-left: auto; }
.pub-card__badges .badge { display: inline-flex; }
@media (max-width: 639px) {
  .pub-card { flex-direction: column; align-items: flex-start; }
  .pub-card__badges { margin-left: 0; }
}

/* 相关推荐 */
.related-conference-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-lg);
}
.related-conference-card {
  display: block;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
  text-decoration: none;
}
.related-conference-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-100);
}
.related-conference-cover {
  aspect-ratio: 1920 / 700;
  background: var(--color-surface-alt);
  overflow: hidden;
}
.related-conference-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.related-conference-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-900));
  font-family: var(--font-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: rgba(255,255,255,0.35);
  letter-spacing: 0.08em;
}
.related-conference-info {
  padding: var(--space-md);
}
.related-conference-info h4 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
  line-height: 1.45;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-conference-meta {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-top: 4px;
}
@media (max-width: 639px) {
  .related-conference-list { grid-template-columns: 1fr; }
}

/* — Publication History Table —————— */
.pub-history-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
}
.pub-history-table thead th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-border);
}
.pub-history-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}
.pub-history-table tbody tr:hover { background: var(--color-primary-50); }
.pub-history-table .badge--none {
  display: inline-block;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  background: #F4F6F8;
  color: var(--color-text-tertiary);
}
.pub-history-table .pub-history-indexing {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}
.pub-history-table .badge--ieee-xplore {
  color: #00629B;
  border: 1px solid rgba(0, 98, 155, 0.4);
  background: rgba(0, 98, 155, 0.06);
}
.pub-history-table .badge--acm-dl {
  color: #0085CA;
  border: 1px solid rgba(0, 133, 202, 0.4);
  background: rgba(0, 133, 202, 0.06);
}

/* — Organization Section ——————————— */
.org-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.org-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.org-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary-50);
  border-radius: var(--radius-sm);
  color: var(--color-primary-500);
}
.org-icon svg { width: 20px; height: 20px; }
.org-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 2px;
}
.org-value {
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* — Speaker Cards ——————————————————— */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: var(--space-md);
}
.speaker-card {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.speaker-card:hover {
  box-shadow: 0 4px 16px rgba(10,22,40,0.06);
  border-color: var(--color-border);
}
.speaker-card__avatar { flex-shrink: 0; }
.speaker-card__photo {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border-light);
}
.speaker-card__photo--placeholder {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary-700);
  color: #FFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--font-heading);
}
.speaker-card__info { min-width: 0; }
.speaker-card__name {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.speaker-card__affiliation {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}
.speaker-card__title {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-primary-500);
  margin-bottom: var(--space-xs);
}
.speaker-card__bio {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.55;
}

/* — Important Dates Table —————————— */
.dates-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
}
.dates-table thead th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-border);
}
.dates-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}
.dates-table tbody tr:hover { background: var(--color-primary-50); }
.dates-table .date-cell {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  color: var(--color-text-primary);
  white-space: nowrap;
}
.dates-table .date-cell--important {
  color: var(--color-warning);
}
.dates-table .date-cell--past {
  color: var(--color-text-tertiary);
}
.dates-table .date-cell--current {
  color: var(--color-primary-600);
}
.date-past-tag {
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  background: var(--color-bg);
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 4px;
  font-family: var(--font-ui);
  vertical-align: middle;
}
.date-current-tag {
  font-size: 0.75rem;
  color: #fff;
  background: var(--color-primary-500);
  padding: 2px 8px;
  border-radius: 50px;
  margin-left: 4px;
  font-family: var(--font-ui);
  vertical-align: middle;
}

/* 会议概览 HTML/MD 渲染 */
.detail-content .lead,
.detail-content .lead p {
  line-height: 1.7;
  color: var(--color-text-primary);
}
.detail-content .lead p { margin-bottom: 0.8em; }
.detail-content .lead strong { font-weight: 600; }
.detail-content .lead em { font-style: italic; }
.detail-content .lead a { color: var(--color-primary-600); text-decoration: underline; }
.detail-content .lead ul,
.detail-content .lead ol { margin: 0.5em 0 0.8em 1.5em; }
.detail-content .lead li { margin-bottom: 0.3em; }
.detail-content .lead h3, .detail-content .lead h4 { margin: 1em 0 0.5em; font-weight: 600; }

/* — Schedule Timeline —————————————————— */
.schedule-timeline {
  display: flex;
  flex-direction: column;
  position: relative;
  padding-left: var(--space-xl);
}
.schedule-timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-border);
}
.schedule-item {
  display: flex;
  gap: var(--space-lg);
  padding-bottom: var(--space-lg);
  position: relative;
}
.schedule-item:last-child { padding-bottom: 0; }
.schedule-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-xl) + 4px);
  top: 4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary-500);
  border: 2px solid var(--color-surface);
}
.schedule-item__date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-primary-500);
  white-space: nowrap;
  min-width: 100px;
  padding-top: 2px;
}
.schedule-item__body {
  flex: 1;
  min-width: 0;
}
.schedule-item__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  margin-bottom: 2px;
}
.schedule-item__event {
  font-family: var(--font-ui);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.schedule-item__desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
}

/* — Submission Guide —————————————————— */
.submission-guide {
  margin-bottom: var(--space-md);
}
.sg-row {
  display: flex;
  gap: var(--space-md);
  padding: var(--space-xs) 0;
  font-size: 0.9375rem;
}
.sg-label {
  font-weight: 600;
  color: var(--color-text-primary);
  min-width: 80px;
  flex-shrink: 0;
}
.sg-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

/* — Fee Table ———————————————————————— */
.fee-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-ui);
  font-size: 0.9375rem;
}
.fee-table thead th {
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 2px solid var(--color-border);
}
.fee-table tbody td {
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border-light);
  color: var(--color-text-primary);
}
.fee-table tbody tr:hover { background: var(--color-primary-50); }
.fee-table tbody td:last-child {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

/* — Committee list ——————————————————— */
.committee-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: var(--space-md);
}
.committee-card {
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
}
.committee-card__name {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 2px;
}
.committee-card__affiliation {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  margin-bottom: 2px;
}
.committee-card__role {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-text-tertiary);
}

/* — Venue Card ——————————————————————— */
.venue-card {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.venue-card__map {
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  aspect-ratio: 4/3;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  font-size: 0.8125rem;
}
.venue-card h3 {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.venue-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xs);
}

/* — Accommodation List ————————————— */
.accommodation-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}
.accommodation-item {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.accommodation-item__name {
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  min-width: 180px;
}
.accommodation-item__details {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  align-items: center;
}
.accommodation-item__details span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* — Contact Table ——————————————————— */
.contact-content {
  margin-bottom: var(--space-md);
}
.contact-content .contact-table {
  margin-bottom: 0;
}
.contact-content p {
  margin: 0 0 var(--space-sm);
  color: var(--color-text-primary);
  line-height: 1.7;
}
.contact-content p:last-child {
  margin-bottom: 0;
}

/* — Download List ———————————————————— */
.download-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.download-item {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-100);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-primary-500);
  text-decoration: none;
  transition: all var(--transition-fast);
}
.download-item:hover {
  background: var(--color-primary-100);
  border-color: var(--color-primary-300);
}
.download-item--disabled {
  opacity: 0.45;
  cursor: not-allowed;
  color: var(--color-text-tertiary);
  background: var(--color-surface-alt);
  border-color: var(--color-border-light);
}
.download-item--disabled:hover {
  background: var(--color-surface-alt);
  border-color: var(--color-border-light);
}
.download-item svg { flex-shrink: 0; }

/* — Topic List (row by row) ————— */
.topic-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.topic-list__item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 10px 16px;
  font-size: 0.9375rem;
  color: var(--color-text-primary);
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}
.topic-list__item:hover { border-color: var(--color-primary-200); }
.topic-list__num {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-50);
  color: var(--color-primary-600);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  flex-shrink: 0;
}

/* — Table Wrap utility ———————————— */
.table-wrap { overflow-x: auto; }

/* — Responsive ————————————————————— */
@media (max-width: 1023px) {
  .detail-layout { grid-template-columns: 1fr; }
  .detail-sidebar { position: static; display: none; }
  .venue-card { grid-template-columns: 1fr; }
  .speaker-grid { grid-template-columns: 1fr; }
  .highlight-feature-list { grid-template-columns: 1fr; }
  .pub-card { flex-wrap: wrap; align-items: flex-start; }
  .pub-card__badges { margin-left: 0; width: 100%; }
  .detail-info-table,
  .dates-table,
  .pub-history-table,
  .fee-table { display: block; width: 100%; overflow-x: auto; }
}
@media (max-width: 639px) {
  .detail-title { font-size: 1.625rem; }
  .detail-meta { flex-direction: column; gap: var(--space-xs); }
  .detail-header-extras { gap: 4px; }
  .speaker-card { flex-direction: column; }
  .schedule-timeline { padding-left: var(--space-lg); }
  .schedule-item { flex-direction: column; gap: var(--space-xs); }
  .schedule-item__date { min-width: auto; }
  .schedule-item::before { left: calc(-1 * var(--space-lg) + 2px); }
  .committee-grid { grid-template-columns: 1fr; }
  .pub-info-cards { grid-template-columns: 1fr; }

  .accommodation-item { flex-direction: column; gap: var(--space-xs); }
  .detail-info-table th { width: 80px; min-width: 80px; padding: 6px 8px; font-size: 0.6875rem; }
  .detail-info-table td { padding: 6px 8px; font-size: 0.8125rem; word-break: break-word; }
  .dates-table th, .dates-table td,
  .pub-history-table th, .pub-history-table td,
  .fee-table th, .fee-table td { padding: 6px 8px; font-size: 0.8125rem; white-space: nowrap; }
  .dates-table,
  .pub-history-table,
  .fee-table { display: block; overflow-x: auto; }
}