.workspace-shell {
  width: min(calc(100% - var(--page-gutter)), var(--content));
  margin: 0 auto;
}

.workspace-shell > * {
  min-width: 0;
  max-width: 100%;
}

.workspace-hero {
  display: grid;
  padding: clamp(27px, 3.4vw, 43px) 0 clamp(22px, 2.5vw, 32px);
  align-items: end;
  gap: clamp(20px, 2vw, 24px) clamp(28px, 5vw, 64px);
  grid-template-columns: minmax(0, 1fr) auto;
}

.workspace-hero h1 {
  max-width: 24ch;
  margin: 0 0 0.55rem;
  font-size: clamp(2rem, 4vw, 3.25rem);
  letter-spacing: -0.045em;
  line-height: 1;
}

.workspace-hero .page-intro {
  margin-bottom: 0;
}

.workspace-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.65rem;
}

.workspace-banner {
  display: flex;
  margin-bottom: 1.25rem;
  border: 1px solid color-mix(in srgb, var(--warning) 30%, var(--line));
  border-radius: var(--radius);
  background: var(--warning-soft);
  color: var(--warning);
  padding: 0.9rem 1rem;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.workspace-banner strong {
  color: inherit;
}

.banner-icon {
  display: grid;
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  border: 1px solid currentColor;
  border-radius: 50%;
  place-items: center;
  font-size: 0.78rem;
  font-weight: 900;
}

.workspace-grid {
  display: grid;
  padding-bottom: clamp(3.5rem, 7vw, 6.5rem);
  align-items: start;
  gap: 1rem;
  grid-template-columns: minmax(12rem, 14rem) minmax(0, 1fr);
}

.workspace-grid.no-rail {
  grid-template-columns: minmax(0, 1fr);
}

.workspace-rail {
  position: sticky;
  top: var(--sticky-content-offset);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.rail-heading {
  margin: 0;
  padding: 1rem 1rem 0.6rem;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.rail-nav {
  display: grid;
  padding: 0.35rem;
  gap: 0.15rem;
}

.rail-nav a {
  display: flex;
  border-radius: 0.65rem;
  color: var(--muted);
  padding: 0.62rem 0.7rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 720;
  text-decoration: none;
}

.rail-nav a:hover,
.rail-nav a[aria-current="page"] {
  background: var(--surface-soft);
  color: var(--text-strong);
}

.rail-nav a[aria-current="page"]::after {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: var(--accent);
  content: "";
}

.workspace-main {
  min-width: 0;
}

.surface,
.summary-card,
.empty-state,
.reference-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.surface {
  overflow: hidden;
  margin-bottom: 1rem;
}

.surface-header {
  display: flex;
  min-height: 4.2rem;
  border-bottom: 1px solid var(--line);
  padding: 0.95rem 1.1rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.surface-header h2,
.surface-header h3,
.surface-header p {
  margin: 0;
}

.surface-header h2 {
  font-size: 1.3rem;
}

.surface-header p {
  color: var(--muted);
  font-size: 0.82rem;
}

.surface-body {
  padding: clamp(18px, 1.1rem, 24px);
}

.summary-grid {
  display: grid;
  margin-bottom: 1rem;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
}

.summary-grid.three {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
}

.summary-card {
  padding: 1rem;
}

.summary-card small {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 750;
}

.summary-card strong {
  display: block;
  color: var(--text-strong);
  font-size: 1.4rem;
  line-height: 1.2;
}

.summary-card span {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.summary-card.is-reference {
  background: color-mix(in srgb, var(--brand-soft) 48%, var(--surface));
}

.link-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

.action-card {
  display: flex;
  min-width: 0;
  min-height: clamp(144px, 20vw, 176px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-strong);
  box-shadow: var(--shadow-sm);
  padding: clamp(16px, 1rem, 24px);
  flex-direction: column;
  text-decoration: none;
  transition: border-color 140ms ease, transform 140ms ease;
}

.action-card:hover {
  border-color: var(--brand);
  color: var(--text-strong);
  transform: translateY(-2px);
}

.action-card strong {
  margin-bottom: 0.3rem;
}

.action-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.action-card .text-link {
  margin-top: auto;
  padding-top: 0.8rem;
  color: var(--brand-ink);
}

.tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-soft) 55%, var(--surface));
  padding: 0.4rem;
  gap: 0.25rem;
}

.tab-button {
  min-height: 2.5rem;
  border: 0;
  border-radius: 0.6rem;
  background: transparent;
  color: var(--muted);
  padding: 0.55rem 0.75rem;
  font-weight: 780;
  white-space: nowrap;
  cursor: pointer;
}

.tab-button:hover,
.tab-button[aria-selected="true"] {
  background: var(--surface);
  color: var(--text-strong);
  box-shadow: var(--shadow-sm);
}

[data-tab-panel][hidden] {
  display: none;
}

.empty-state {
  min-height: clamp(192px, 30vw, 256px);
  padding: clamp(32px, 5vw, 64px) clamp(20px, 4vw, 32px);
  text-align: center;
}

.empty-state.compact {
  min-height: clamp(144px, 20vw, 160px);
  padding-block: clamp(24px, 4vw, 32px);
}

.empty-state h2,
.empty-state h3 {
  margin-bottom: 0.55rem;
}

.empty-state p {
  max-width: 38rem;
  margin: 0 auto 1rem;
  color: var(--muted);
}

.reference-panel {
  min-width: 0;
  padding: 0;
  margin-top: 1rem;
  overflow: hidden;
}

.reference-label {
  display: flex;
  border-bottom: 1px solid var(--line);
  background: var(--brand-soft);
  color: var(--brand-ink);
  padding: 0.55rem 0.9rem;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  font-size: 0.72rem;
  font-weight: 850;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.reference-body {
  padding: clamp(16px, 1rem, 24px);
}

.data-table-wrap {
  overflow-x: auto;
}

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

.data-table th,
.data-table td {
  border-bottom: 1px solid var(--line);
  padding: 0.8rem 0.65rem;
  text-align: left;
  vertical-align: middle;
}

.data-table th {
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.item-cell {
  display: flex;
  min-width: 12rem;
  align-items: center;
  gap: 0.65rem;
}

.item-thumb {
  display: grid;
  width: 2.75rem;
  height: 2.75rem;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: linear-gradient(145deg, var(--brand-soft), var(--accent-soft));
  color: var(--brand-ink);
  place-items: center;
  font-size: 0.72rem;
  font-weight: 900;
}

.item-cell small {
  display: block;
  color: var(--muted);
}

.stepper {
  display: grid;
  margin: 0 0 1rem;
  padding: 0;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  list-style: none;
}

.stepper li {
  display: flex;
  border-bottom: 3px solid var(--line);
  color: var(--muted);
  padding: 0.65rem 0;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.8rem;
  font-weight: 780;
}

.stepper li::before {
  display: grid;
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--surface-soft);
  content: attr(data-step);
  place-items: center;
  font-size: 0.7rem;
}

.stepper li[aria-current="step"] {
  border-color: var(--brand);
  color: var(--text-strong);
}

.stepper li[aria-current="step"]::before {
  background: var(--brand);
  color: white;
}

.composer-layout {
  display: grid;
  align-items: start;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) minmax(16rem, 22rem);
}

.form-section {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem;
}

.form-section h2 {
  font-size: 1.35rem;
}

.form-section > p {
  color: var(--muted);
}

.form-grid {
  display: grid;
  gap: 0.9rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.field {
  display: grid;
  gap: 0.35rem;
}

.field.full {
  grid-column: 1 / -1;
}

.field label,
.field legend {
  color: var(--text-strong);
  font-size: 0.83rem;
  font-weight: 780;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 2.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.65rem;
  background: var(--bg);
  color: var(--text-strong);
  padding: 0.65rem 0.75rem;
}

.field textarea {
  min-height: 8rem;
  resize: vertical;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--brand);
  outline: 3px solid color-mix(in srgb, var(--focus) 24%, transparent);
  outline-offset: 1px;
}

.field-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.choice-grid {
  display: grid;
  gap: 0.6rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.choice-card {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--surface);
  padding: 0.75rem;
  align-items: flex-start;
  gap: 0.6rem;
  cursor: pointer;
}

.choice-card:has(input:checked) {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.choice-card input {
  width: 1rem;
  min-height: auto;
  margin-top: 0.22rem;
}

.choice-card strong,
.choice-card small {
  display: block;
}

.choice-card small {
  color: var(--muted);
}

.composer-preview {
  position: sticky;
  top: var(--sticky-content-offset);
}

.preview-media {
  display: grid;
  overflow: hidden;
  min-height: 13rem;
  border-radius: 0.75rem;
  background: linear-gradient(145deg, var(--surface-soft), var(--brand-soft));
  color: var(--muted);
  place-items: center;
  text-align: center;
}

.preview-media img {
  width: 100%;
  height: 13rem;
  object-fit: cover;
}

.preview-media img[hidden] {
  display: none;
}

.preview-copy {
  padding-top: 1rem;
}

.preview-copy h2 {
  font-size: 1.35rem;
}

.preview-price {
  color: var(--text-strong);
  font-size: 1.35rem;
  font-weight: 900;
}

.form-message {
  margin-top: 0.8rem;
  border-radius: 0.65rem;
  background: var(--surface-soft);
  color: var(--muted);
  padding: 0.7rem 0.8rem;
  font-size: 0.82rem;
}

.return-terms,
.return-result {
  display: grid;
  margin: 1rem 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  padding: 1rem;
  gap: 0.85rem;
}

.return-decision-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.return-decision-heading h4,
.return-decision-heading strong,
.return-terms h4 {
  margin: 0;
  color: var(--text-strong);
}

.return-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.6rem;
}

.return-facts .setting-row,
.return-result .setting-row {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 0.75rem;
}

.return-item-choices {
  display: grid;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 0.8rem;
  grid-column: 1 / -1;
  gap: 0.55rem;
}

.return-item-choices legend {
  color: var(--text-strong);
  font-weight: 780;
}

.return-item-choices label {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--text-strong);
}

.form-message:empty {
  display: none;
}

.action-card .form-grid,
.action-card .button-row,
.form-section .form-grid {
  margin-top: 0.8rem;
}

.surface-body > .form-section + .form-section {
  margin-top: 1rem;
}

.form-message.is-error {
  border-left: 3px solid var(--danger);
  color: var(--text-strong);
}

.form-message.is-success {
  border-left: 3px solid var(--verified);
  color: var(--text-strong);
}

.seller-profile-stats {
  padding: 0 1.25rem 1.25rem;
}

.profile-cover {
  min-height: 8rem;
  background: linear-gradient(110deg, color-mix(in srgb, var(--brand) 72%, #172b4d), color-mix(in srgb, var(--accent) 70%, #15374f));
}

.profile-overview {
  display: grid;
  margin-top: -2.3rem;
  padding: 0 1.25rem 1.25rem;
  align-items: end;
  gap: 1rem;
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.profile-avatar {
  display: grid;
  width: 5rem;
  height: 5rem;
  border: 4px solid var(--surface);
  border-radius: 1.3rem;
  background: var(--surface-strong);
  color: var(--bg);
  place-items: center;
  font-size: 1.25rem;
  font-weight: 900;
}

.profile-overview h2,
.profile-overview p {
  margin-bottom: 0;
}

.profile-overview p {
  color: var(--muted);
}

.timeline {
  margin: 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 0 0 1.2rem 2rem;
}

.timeline li:not(:last-child)::before {
  position: absolute;
  top: 1rem;
  bottom: 0;
  left: 0.55rem;
  width: 2px;
  background: var(--line);
  content: "";
}

.timeline-marker {
  position: absolute;
  top: 0.18rem;
  left: 0;
  display: grid;
  width: 1.15rem;
  height: 1.15rem;
  border: 2px solid var(--surface);
  border-radius: 50%;
  background: var(--line-strong);
  box-shadow: 0 0 0 1px var(--line);
}

.timeline li.is-current .timeline-marker {
  background: var(--brand);
}

.timeline h3,
.timeline p {
  margin-bottom: 0.2rem;
}

.timeline p {
  color: var(--muted);
  font-size: 0.85rem;
}

.message-shell {
  display: grid;
  min-height: 28rem;
  grid-template-columns: minmax(13rem, 20rem) minmax(0, 1fr);
}

.conversation-list {
  border-right: 1px solid var(--line);
  padding: 0.75rem;
}

.conversation-placeholder {
  border: 1px dashed var(--line-strong);
  border-radius: 0.7rem;
  color: var(--muted);
  padding: 0.9rem;
  font-size: 0.82rem;
}

.message-main {
  display: grid;
  padding: 1rem;
  place-items: center;
}

.chart-grid {
  display: grid;
  min-height: 12rem;
  padding: 1rem 0 1.8rem;
  align-items: end;
  gap: 0.45rem;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.chart-bar {
  position: relative;
  min-height: 0.75rem;
  border-radius: 0.4rem 0.4rem 0 0;
  background: linear-gradient(180deg, var(--brand), var(--accent));
}

.chart-bar span {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 50%;
  color: var(--muted);
  font-size: 0.65rem;
  line-height: 1.2;
  text-align: center;
  overflow-wrap: anywhere;
  transform: translateX(-50%);
}

.metric-note {
  margin-top: 1.4rem;
  color: var(--muted);
  font-size: 0.76rem;
}

.settings-list {
  display: grid;
}

.saved-search-definition {
  display: flex;
  margin: 0.8rem 0 1rem;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.saved-search-definition span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text-strong);
  padding: 0.32rem 0.62rem;
  font-size: 0.76rem;
  font-weight: 720;
}

.setting-row {
  display: grid;
  border-bottom: 1px solid var(--line);
  padding: 1rem 0;
  align-items: center;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) auto;
}

.setting-row:last-child {
  border-bottom: 0;
}

.setting-row h3,
.setting-row p {
  margin-bottom: 0.2rem;
}

.setting-row p {
  color: var(--muted);
  font-size: 0.82rem;
}

.switch {
  position: relative;
  display: inline-flex;
  width: 2.9rem;
  height: 1.65rem;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch span {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface-soft);
  cursor: pointer;
}

.switch span::after {
  position: absolute;
  top: 0.23rem;
  left: 0.25rem;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 50%;
  background: var(--muted);
  content: "";
  transition: transform 140ms ease;
}

.switch input:checked + span {
  border-color: var(--brand);
  background: var(--brand-soft);
}

.switch input:checked + span::after {
  background: var(--brand);
  transform: translateX(1.22rem);
}

@media (max-width: 68rem) {
  .workspace-hero {
    grid-template-columns: 1fr;
  }

  .workspace-actions {
    justify-content: flex-start;
  }

  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .workspace-rail,
  .composer-preview {
    position: static;
  }

  .rail-nav {
    display: flex;
    overflow-x: auto;
    padding: 0.45rem;
  }

  .rail-nav a {
    flex: 0 0 auto;
  }

  .rail-heading {
    display: none;
  }
}

@media (max-width: 54rem) {
  .composer-layout,
  .message-shell {
    grid-template-columns: 1fr;
  }

  .conversation-list {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 46rem) {
  .workspace-shell {
    width: min(calc(100% - var(--page-gutter-compact)), var(--content));
  }

  .workspace-hero {
    padding-top: 1.55rem;
  }

  .workspace-hero h1 {
    font-size: clamp(32px, 2rem, 50px);
  }

  .workspace-actions,
  .workspace-actions .button {
    width: 100%;
  }

  .summary-grid,
  .summary-grid.three,
  .link-grid,
  .form-grid,
  .return-facts,
  .choice-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .stepper {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .profile-overview {
    align-items: start;
    grid-template-columns: auto minmax(0, 1fr);
  }

  .profile-overview .button {
    grid-column: 1 / -1;
  }

  .surface-header,
  .setting-row {
    align-items: flex-start;
  }

  .surface-header {
    flex-direction: column;
  }

  .surface-header > .button,
  .surface-header > .button-row,
  .surface-header > form {
    max-width: 100%;
  }

  .setting-row {
    grid-template-columns: minmax(0, 1fr);
  }

  .data-table th,
  .data-table td {
    padding-inline: 0.5rem;
  }
}

@media (max-width: 30rem) {
  .stepper {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .action-card,
  .switch span::after {
    transition: none;
  }
}