.answer,
.detail-text {
  background: var(--color-panel-soft);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 14px 16px;
  white-space: pre-wrap;
  color: var(--color-text-soft);
  line-height: 1.75;
}

.markdown-answer {
  white-space: normal;
}

.markdown-answer > :first-child { margin-top: 0; }
.markdown-answer > :last-child { margin-bottom: 0; }
.markdown-answer p,
.markdown-answer ul,
.markdown-answer ol,
.markdown-answer blockquote,
.markdown-answer pre,
.markdown-answer h1,
.markdown-answer h2,
.markdown-answer h3,
.markdown-answer h4 {
  margin: 0 0 12px;
}

.markdown-answer ul,
.markdown-answer ol {
  padding-left: 22px;
}

.markdown-answer li + li {
  margin-top: 6px;
}

.markdown-answer h1,
.markdown-answer h2,
.markdown-answer h3,
.markdown-answer h4 {
  color: var(--color-text);
  line-height: 1.4;
}

.markdown-answer blockquote {
  padding-left: 14px;
  border-left: 3px solid var(--color-accent);
  color: var(--color-text-soft);
}

.markdown-answer code {
  padding: 2px 6px;
  border-radius: 6px;
  background: color-mix(in srgb, var(--color-panel) 78%, var(--color-accent-soft) 22%);
  color: var(--color-text);
  font-family: "SFMono-Regular", "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.92em;
}

.markdown-answer pre {
  overflow-x: auto;
  padding: 12px 14px;
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-panel) 68%, black 6%);
  border: 1px solid var(--color-border);
}

.markdown-answer pre code {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.markdown-answer a {
  color: var(--color-accent-strong);
  text-decoration: none;
}

.markdown-answer a:hover {
  text-decoration: underline;
}

.local-answer { background: var(--summary-box-bg); border: 1px solid var(--summary-box-border); color: var(--color-text); font-weight: 500; }
.detail-section { margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--color-border); }
.detail-section:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.detail-section h3 { margin: 0 0 12px; font-size: 17px; }
.detail-analysis-section { margin-top: 22px; }
.analysis-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.analysis-tldr-block { margin-bottom: 18px; }
.analysis-tldr-block h3 { margin: 0 0 14px; font-size: 18px; color: var(--color-text); }
.analysis-tldr-text { margin: 0; padding: 0 0 12px; color: var(--color-text); line-height: 1.82; font-size: 17px; }
.analysis-card { min-height: 100%; padding: 18px 20px 16px; border-radius: 18px; border-left: 4px solid var(--color-accent); background: rgba(102, 126, 234, 0.03); }
.analysis-card-title { margin: 0 0 10px; color: var(--color-accent); font-size: 16px; font-weight: 700; }
.analysis-card-body { white-space: pre-wrap; color: var(--color-text); line-height: 1.78; font-size: 15px; }
.analysis-card-highlight { background: rgba(102, 126, 234, 0.06); }
.detail-overview .detail-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.detail-language-switch { margin-top: 20px; }
.language-toggle-group,
.template-list,
.button-row,
.resource-list,
.paper-modal-buttons,
.paper-navigation { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.detail-label { font-size: 12px; color: var(--color-text-faint); margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.06em; }
.detail-value { color: var(--color-text-soft); line-height: 1.7; }
.abstract-text { color: var(--color-text-soft); line-height: 1.75; font-size: 15px; }
.paper-modal { display: none; position: fixed; inset: 0; background: var(--overlay); backdrop-filter: blur(5px); z-index: 1000; padding: 22px; }
.paper-modal.active { display: flex; align-items: flex-start; justify-content: center; }
.paper-modal-content { width: min(1180px, 100%); max-height: calc(100vh - 44px); display: flex; flex-direction: column; border: 1px solid var(--color-border); border-radius: 28px; background: var(--color-panel-strong); box-shadow: var(--shadow-modal); }
.paper-modal-header,
.paper-modal-footer { padding: 20px 24px; border-bottom: 1px solid var(--color-border); }
.paper-modal-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 18px; }
.paper-modal-footer { border-bottom: 0; border-top: 1px solid var(--color-border); display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.paper-modal-meta { font-size: 12px; color: var(--color-accent); margin-bottom: 8px; font-weight: 700; letter-spacing: 0.06em; }
.paper-modal-header h2 { margin: 0; font-size: 24px; line-height: 1.45; max-width: 920px; }
.paper-modal-body { flex: 1 1 auto; min-height: 0; padding: 24px; overflow-y: auto; }
.paper-navigation {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--color-panel-soft) 84%, transparent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--color-border) 72%, transparent);
}
.paper-position {
  font-size: 13px;
  color: var(--color-text-faint);
  min-width: 68px;
  padding: 0 8px;
  text-align: center;
  font-weight: 600;
}
.button-preset-label { display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
.modal-nav-btn,
.modal-close-btn {
  width: 44px;
  height: 42px;
  padding: 0;
  border: none !important;
  background: transparent !important;
  box-shadow: none !important;
  border-radius: 999px;
  font-size: 20px;
  color: var(--color-text-soft);
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.18s ease, opacity 0.18s ease;
}
.modal-nav-btn .button-preset-label { font-size: 19px; }
.modal-nav-btn:hover,
.modal-close-btn:hover {
  background: color-mix(in srgb, var(--color-accent-soft) 82%, transparent) !important;
  color: var(--color-accent-strong);
}
.modal-nav-btn:focus-visible,
.modal-close-btn:focus-visible {
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent-soft) 92%, transparent) !important;
}
.modal-nav-btn:disabled {
  opacity: 0.36;
  color: var(--color-text-faint);
  background: transparent !important;
  cursor: default;
  transform: none;
}
.paper-modal-header .modal-close-btn {
  width: 44px !important;
  min-width: 44px;
  flex: none;
  background: color-mix(in srgb, var(--color-panel-soft) 92%, transparent) !important;
  color: var(--color-text-muted);
}
.modal-close-btn .button-preset-label { font-size: 21px; transform: translateY(-0.5px); }
.paper-modal-header .modal-close-btn:hover {
  background: color-mix(in srgb, var(--color-accent-soft) 82%, transparent) !important;
  color: var(--color-accent-strong);
}
.resource-btn { text-decoration: none; }
.icon-resource-btn {
  width: 42px;
  height: 42px;
  padding: 8px;
  border: none;
  background: transparent;
  box-shadow: none;
  color: var(--color-accent-strong);
  border-radius: 16px;
}
.icon-resource-btn:hover {
  background: color-mix(in srgb, var(--color-accent-soft) 55%, transparent);
  border-color: transparent;
}
.resource-btn-arxiv {
  width: auto;
  min-width: 74px;
  padding: 8px 10px;
  border-radius: 999px;
}
.resource-icon {
  width: 24px;
  height: 24px;
  display: block;
  flex: none;
}
.resource-icon-arxiv {
  width: 56px;
  height: 26px;
}
.modal-close-btn { white-space: nowrap; }
.pdf-preview-section { margin-top: 24px; }
.pdf-header { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pdf-container { margin-top: 14px; background: var(--pdf-bg); border: 1px solid var(--color-border); border-radius: 18px; overflow: hidden; }
.pdf-container iframe { width: 100%; height: 800px; border: 0; background: #fff; }
.pdf-overlay { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.68); z-index: 1098; }
.pdf-container.expanded { position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); width: min(92vw, 1400px); height: 92vh; z-index: 1099; background: #000; box-shadow: 0 20px 80px rgba(0, 0, 0, 0.7); }
.pdf-container.expanded iframe { height: 100%; }

@media (max-width: 820px) {
  .paper-modal { padding: 10px; }
  .paper-modal-content { max-height: calc(100vh - 20px); }
  .paper-modal-header, .paper-modal-body, .paper-modal-footer { padding: 16px; }
  .paper-modal-header h2 { font-size: 20px; }
  .analysis-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .button-row, .template-list, .language-toggle-group { width: 100%; }
  .paper-modal-footer {
    display: flex;
    justify-content: flex-start;
    flex-wrap: nowrap;
    gap: 12px;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom, 0px));
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
  }
  .paper-modal-footer::-webkit-scrollbar { height: 6px; }
  .paper-navigation,
  .paper-modal-buttons {
    display: inline-flex;
    flex-direction: row;
    width: auto;
    min-width: max-content;
    flex: 0 0 auto;
    flex-wrap: nowrap;
    scroll-snap-align: start;
  }
  .paper-modal-footer .btn,
  .paper-modal-footer .resource-btn {
    width: auto !important;
    min-width: max-content;
    display: inline-flex;
    justify-content: center;
  }
  .paper-modal-footer .icon-resource-btn {
    min-width: 42px;
  }
  .paper-modal-footer .modal-nav-btn {
    width: 44px !important;
    min-width: 44px;
  }
  .paper-modal-footer .resource-btn-arxiv {
    min-width: 74px;
  }
  .paper-navigation .btn,
  .paper-modal-buttons .btn,
  .paper-modal-buttons .resource-btn {
    flex: 0 0 auto;
    white-space: nowrap;
  }
  .paper-position {
    min-width: auto;
    padding-inline: 2px;
    white-space: nowrap;
  }
  .pdf-container iframe { height: 60vh; }
}