.documents-layout {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 8px 0 40px;
  flex: 1;
  display: grid;
  gap: 24px;
  align-content: start;
}

.documents-hero h2,
.document-heading h2 {
  margin: 4px 0 8px;
  color: var(--rf-heading);
  font: 600 clamp(1.7rem, 3vw, 2.3rem)/1.12 var(--madison-serif-font);
  letter-spacing: -0.02em;
}

.documents-hero p.muted {
  max-width: 720px;
  margin: 0;
  line-height: 1.6;
}

.documents-state-card,
.document-card,
.document-list-card {
  border: 1px solid var(--rf-border);
  border-radius: var(--rf-radius-lg);
  background: var(--rf-surface);
  box-shadow: var(--rf-shadow);
}

.documents-state-card {
  padding: 28px;
  display: grid;
  gap: 10px;
  justify-items: start;
}

.documents-state-card h3,
.document-card h3 {
  margin: 0;
  color: var(--rf-heading);
  font-size: 1.1rem;
}

.documents-state-card p {
  margin: 0;
}

.documents-workspace {
  display: grid;
  gap: 18px;
}

.documents-dropzone {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 32px 20px;
  border: 2px dashed var(--rf-border-strong);
  border-radius: var(--rf-radius-lg);
  background: var(--rf-surface-subtle);
  color: var(--rf-text);
  text-align: center;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}

.documents-dropzone:hover,
.documents-dropzone:focus-within,
.documents-dropzone.is-dragging {
  border-color: var(--rf-accent);
  background: var(--rf-accent-soft);
}

.documents-dropzone-icon svg {
  width: 30px;
  height: 30px;
  color: var(--rf-accent);
}

.documents-dropzone .muted {
  font-size: 0.84rem;
}

.documents-upload-queue {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.documents-upload-queue:empty {
  display: none;
}

.documents-upload-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  padding: 10px 14px;
  border: 1px solid var(--rf-border);
  border-radius: var(--rf-radius-md);
  background: var(--rf-surface);
  font-size: 0.86rem;
}

.documents-upload-name {
  overflow: hidden;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.documents-upload-state {
  color: var(--rf-muted);
}

.documents-upload-item[data-type="error"] .documents-upload-state {
  color: var(--rf-danger);
}

.documents-upload-item[data-type="success"] .documents-upload-state {
  color: var(--rf-accent);
}

.documents-upload-item progress {
  grid-column: 1 / -1;
  width: 100%;
  height: 4px;
  accent-color: var(--rf-accent);
}

.documents-upload-item[data-type] progress {
  display: none;
}

.documents-toolbar {
  display: grid;
  gap: 4px;
}

.documents-list {
  display: grid;
  gap: 12px;
}

.documents-empty {
  padding: 24px 4px;
}

.document-list-card {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  box-shadow: none;
}

.document-list-card-main {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.document-list-card h3 {
  margin: 0;
  font-size: 1.02rem;
}

.document-list-card h3 a {
  color: var(--rf-heading);
  text-decoration: none;
}

.document-list-card h3 a:hover {
  color: var(--rf-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.document-list-meta,
.document-list-overview,
.document-suggestion-hint {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
}

.document-list-meta {
  color: var(--rf-faint);
}

.document-list-overview {
  color: var(--rf-text);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.document-suggestion-hint {
  color: var(--rf-accent);
  font-weight: 650;
}

.document-bill-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.document-bill-pill {
  padding: 3px 10px;
  border: 1px solid var(--rf-accent-border);
  border-radius: 999px;
  background: var(--rf-accent-soft);
  color: var(--rf-accent);
  font-size: 0.78rem;
  font-weight: 650;
  text-decoration: none;
}

.document-list-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 6px;
  flex-shrink: 0;
}

.research-page .document-delete-btn {
  color: var(--rf-danger);
}

.document-list-actions .text-btn {
  opacity: 0;
  transition: opacity 150ms ease;
}

.document-list-card:hover .document-list-actions .text-btn,
.document-list-card:focus-within .document-list-actions .text-btn {
  opacity: 1;
}

@media (hover: none) {
  .document-list-actions .text-btn {
    opacity: 1;
  }
}

.document-back-link {
  justify-self: start;
}

.document-heading {
  display: grid;
  gap: 2px;
}

.document-heading p {
  margin: 0;
}

.document-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 20px;
  align-items: start;
  margin-top: 16px;
}

.document-main,
.document-side {
  display: grid;
  gap: 20px;
}

.document-card {
  padding: 22px;
  box-shadow: none;
}

.document-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.document-card-intro {
  margin: 6px 0 12px;
  font-size: 0.84rem;
  line-height: 1.5;
}

.document-summary {
  margin-top: 6px;
  color: var(--rf-text);
  line-height: 1.65;
}

.document-summary h2 {
  margin: 18px 0 6px;
  color: var(--rf-heading);
  font-size: 1rem;
}

.document-summary h2:first-child {
  margin-top: 0;
}

.document-summary-loading {
  display: grid;
  gap: 10px;
  padding: 10px 0;
}

.document-summary-loading span {
  height: 12px;
  border-radius: 6px;
  background: var(--rf-skeleton);
}

.document-summary-loading span:nth-child(2) {
  width: 85%;
}

.document-summary-loading span:nth-child(3) {
  width: 60%;
}

.document-chat-log {
  max-height: 520px;
  margin: 12px 0;
  overflow-y: auto;
  display: grid;
  gap: 12px;
}

.document-chat-message {
  max-width: 92%;
  padding: 10px 14px;
  border-radius: var(--rf-radius-md);
  line-height: 1.6;
}

.document-chat-message.is-user {
  justify-self: end;
  background: var(--rf-accent-soft);
  color: var(--rf-heading);
}

.document-chat-message.is-assistant {
  justify-self: start;
  border: 1px solid var(--rf-border);
  background: var(--rf-surface-subtle);
}

.document-chat-content > :first-child {
  margin-top: 0;
}

.document-chat-content > :last-child {
  margin-bottom: 0;
}

.document-chat-sources {
  margin-top: 8px;
  color: var(--rf-muted);
  font-size: 0.8rem;
}

.document-chat-sources summary {
  cursor: pointer;
  font-weight: 650;
}

.document-chat-sources ol {
  margin: 6px 0 0;
  padding-left: 18px;
  display: grid;
  gap: 6px;
}

.document-chat-form {
  display: flex;
  gap: 10px;
  align-items: flex-end;
}

.document-chat-form textarea,
.document-link-form input {
  flex: 1;
  min-width: 0;
  padding: 10px 12px;
  border: 1px solid var(--rf-border-strong);
  border-radius: 10px;
  outline: none;
  background: var(--rf-surface);
  color: var(--rf-text);
  font: inherit;
  resize: vertical;
}

.document-chat-form textarea:focus,
.document-link-form input:focus {
  border-color: var(--rf-accent);
  box-shadow: 0 0 0 4px var(--rf-focus);
}

.document-bill-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.document-bill-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--rf-border);
}

.document-bill-item:first-child {
  border-top: 0;
}

.document-bill-item a {
  color: var(--rf-accent);
  font-weight: 680;
  text-decoration: none;
}

.document-bill-item a:hover {
  text-decoration: underline;
}

.document-bill-title {
  margin: 2px 0;
  color: var(--rf-text);
  font-size: 0.84rem;
  line-height: 1.4;
}

.document-bill-source {
  color: var(--rf-faint);
  font-size: 0.76rem;
}

.document-bill-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.research-page .document-bill-actions .secondary-btn {
  min-height: 32px;
  padding: 4px 12px;
  font-size: 0.82rem;
}

.document-bill-empty {
  font-size: 0.86rem;
}

.document-link-form {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

@media (max-width: 860px) {
  .document-grid {
    grid-template-columns: 1fr;
  }

  .document-list-card {
    flex-direction: column;
  }

  .document-list-actions {
    flex-direction: row;
    align-items: center;
  }
}