.x-feed-main {
  min-height: calc(100vh - 170px);
  padding-bottom: 96px;
}

.x-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.42fr);
  align-items: end;
  gap: 48px;
  border-bottom: 1px solid var(--wire);
  padding: 60px 0 48px;
}

.x-eyebrow,
.x-stream-heading p {
  margin: 0;
  color: var(--profit);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  letter-spacing: 0.08em;
}

.x-hero h1 {
  max-width: 720px;
  margin: 12px 0 0;
  font-size: var(--type-display);
  font-weight: 650;
  letter-spacing: -0.04em;
  line-height: 1.12;
  text-wrap: balance;
}

.x-hero-copy {
  max-width: 720px;
  margin: 16px 0 0;
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.6;
  text-wrap: pretty;
}

.x-source-state {
  display: grid;
  grid-template-columns: 12px minmax(0, 1fr);
  gap: 12px;
  border-top: 1px solid var(--wire);
  padding-top: 16px;
}

.x-source-state > span {
  width: 8px;
  height: 8px;
  margin-top: 6px;
  border-radius: 50%;
  background: var(--signal-muted);
}

.x-source-state.state-recent > span { background: var(--profit); }
.x-source-state.state-waiting > span,
.x-source-state.state-quiet > span { background: var(--caution); }

.x-source-state strong {
  color: var(--signal-ink);
  font-size: var(--type-body);
  font-weight: 700;
}

.x-source-state p {
  margin: 6px 0 0;
  color: var(--signal-muted);
  font-size: var(--type-meta);
  line-height: 1.55;
}

.x-source-seats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-bottom: 1px solid var(--wire);
}

.x-source-seats > a {
  min-width: 0;
  min-height: 104px;
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-content: center;
  gap: 6px 10px;
  border-right: 1px solid var(--wire-soft);
  color: var(--signal-secondary);
  padding: 16px 14px;
  text-decoration: none;
  transition: background-color 150ms ease-out, color 150ms ease-out,
    box-shadow 150ms ease-out, transform 120ms ease-out;
}

.x-source-seats > a:first-child { border-left: 1px solid var(--wire-soft); }
.x-source-seats > a:hover { background: var(--terminal-raised); color: var(--signal-ink); }
.x-source-seats > a:active { transform: scale(0.985); }
.x-source-seats > a:focus-visible {
  outline: 0;
  box-shadow: inset 0 0 0 2px var(--wire-focus);
}

.x-source-seats > a[aria-current="page"] {
  background: var(--wire-soft);
  box-shadow: inset 0 2px 0 var(--profit);
}

.x-seat-mark {
  grid-row: 1 / 3;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  align-self: start;
  border: 1px solid var(--wire);
  border-radius: var(--radius-control);
  color: var(--signal-muted);
  font: 700 var(--type-meta)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-source-seats > a[aria-current="page"] .x-seat-mark {
  border-color: var(--wire-focus);
  color: var(--profit);
}

.x-seat-identity,
.x-seat-coverage {
  min-width: 0;
  display: block;
}

.x-seat-identity strong,
.x-seat-identity small,
.x-seat-coverage strong,
.x-seat-coverage small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.x-seat-identity strong {
  color: var(--signal-ink);
  font-size: var(--type-body);
  line-height: 1.2;
}

.x-seat-identity small,
.x-seat-coverage small {
  margin-top: 3px;
  color: var(--signal-muted);
  font: 600 var(--type-meta)/1.2 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-seat-coverage strong {
  color: var(--signal-tertiary);
  font-size: var(--type-meta);
  line-height: 1.25;
}

.x-source-seats > a[aria-current="page"] .x-seat-coverage strong {
  color: var(--profit);
}

.x-account-alert {
  margin: 12px 0 0;
  border-left: 2px solid var(--caution);
  color: var(--signal-tertiary);
  padding: 8px 12px;
  font-size: var(--type-meta);
}

.x-workbench {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 48px;
  padding-top: 40px;
}

.x-sidebar {
  position: sticky;
  top: 96px;
  align-self: start;
  min-width: 0;
}

.x-account {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.x-account-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--wire-focus);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  color: var(--profit);
  font: 700 var(--type-key)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-account span {
  display: block;
  color: var(--signal-muted);
  font: 600 var(--type-meta)/1.2 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-account strong {
  display: block;
  margin-top: 4px;
  color: var(--signal-ink);
  font-size: var(--type-key);
  line-height: 1.2;
}

.x-account a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--tape-blue);
  font: 600 var(--type-meta)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  text-decoration: none;
}

.x-account a:hover,
.x-source-link:hover,
.x-empty-state a:hover { color: var(--profit); }

.x-account-description,
.x-scope-note {
  margin: 16px 0 0;
  color: var(--signal-tertiary);
  font-size: var(--type-body);
  line-height: 1.6;
  text-wrap: pretty;
}

.x-sync-facts {
  margin: 24px 0 0;
  border-top: 1px solid var(--wire);
}

.x-sync-facts div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 8px;
  border-bottom: 1px solid var(--wire-soft);
  padding: 10px 0;
}

.x-sync-facts dt,
.x-sync-facts dd {
  margin: 0;
  font: 600 var(--type-meta)/1.45 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  font-variant-numeric: tabular-nums;
}

.x-sync-facts dt { color: var(--signal-muted); }
.x-sync-facts dd { color: var(--signal-secondary); text-align: right; }

.x-symbol-filter {
  margin-top: 24px;
}

.x-symbol-filter label,
.x-symbol-tape h2 {
  display: block;
  margin: 0 0 8px;
  color: var(--signal-tertiary);
  font: 700 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-symbol-filter > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.x-symbol-filter input,
.x-symbol-filter button {
  min-width: 0;
  min-height: 44px;
  border: 1px solid var(--wire);
  border-radius: var(--radius-control);
  font: 600 var(--type-body)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-symbol-filter input {
  outline: 0;
  background: var(--tape-inset);
  color: var(--signal-ink);
  padding: 0 10px;
  text-transform: uppercase;
  transition: border-color 150ms ease-out, box-shadow 150ms ease-out;
}

.x-symbol-filter input:focus {
  border-color: var(--wire-focus);
  box-shadow: 0 0 0 2px var(--wire-focus);
}

.x-symbol-filter button {
  background: var(--terminal-raised);
  color: var(--signal-secondary);
  padding: 0 12px;
  cursor: pointer;
  transition: border-color 150ms ease-out, color 150ms ease-out,
    transform 120ms ease-out;
}

.x-symbol-filter button:hover { border-color: var(--wire-focus); color: var(--signal-ink); }
.x-symbol-filter button:active { transform: scale(0.97); }

.x-symbol-filter > p {
  margin: 8px 0 0;
  color: var(--risk);
  font-size: var(--type-meta);
}

.x-type-filter {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 4px;
  margin-top: 12px;
}

.x-type-filter a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--wire);
  border-radius: var(--radius-control);
  color: var(--signal-muted);
  font-size: var(--type-meta);
  text-decoration: none;
  transition: border-color 150ms ease-out, color 150ms ease-out,
    background-color 150ms ease-out, transform 120ms ease-out;
}

.x-type-filter a:hover { color: var(--signal-ink); }
.x-type-filter a:active { transform: scale(0.97); }
.x-type-filter a[aria-current="page"] {
  border-color: var(--wire-focus);
  background: var(--wire-soft);
  color: var(--profit);
}

.x-symbol-tape {
  margin-top: 28px;
  border-top: 1px solid var(--wire);
  padding-top: 20px;
}

.x-symbol-tape > div {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.x-symbol-tape a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--wire-soft);
  color: var(--signal-secondary);
  padding: 0 6px;
  text-decoration: none;
}

.x-symbol-tape strong,
.x-symbol-tape span {
  font: 600 var(--type-meta)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  font-variant-numeric: tabular-nums;
}

.x-symbol-tape strong { color: var(--profit); }
.x-symbol-tape span { color: var(--signal-muted); }
.x-symbol-tape a:hover { border-color: var(--wire-focus); color: var(--signal-ink); }

.x-scope-note {
  border-left: 2px solid var(--caution);
  padding-left: 12px;
  font-size: var(--type-meta);
}

.x-stream { min-width: 0; }

.x-stream-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--wire);
  padding-bottom: 16px;
}

.x-stream-heading h2 {
  margin: 6px 0 0;
  font-size: var(--type-key);
  font-weight: 650;
  letter-spacing: -0.025em;
  line-height: 1.2;
}

.x-stream-heading > span {
  color: var(--signal-muted);
  font: 600 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.x-post-list {
  margin: 0;
  padding: 24px 0 0;
  list-style: none;
}

.x-post-item {
  position: relative;
  border-left: 1px solid var(--wire);
  padding: 0 0 28px 28px;
}

.x-post-item::before {
  position: absolute;
  top: 8px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--terminal-black);
  border-radius: 50%;
  background: var(--tape-blue);
  content: "";
}

.x-post-item.is-latest::before { background: var(--profit); }
.x-post-item:last-child { padding-bottom: 0; }

.x-post {
  min-width: 0;
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  background: var(--terminal-raised);
  padding: 20px;
}

.x-post-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.x-post-header > div {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.x-post-header time,
.x-post-type,
.x-source-link,
.x-source-missing {
  font: 600 var(--type-meta)/1.3 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  font-variant-numeric: tabular-nums;
}

.x-post-header time { color: var(--signal-muted); }

.x-post-type {
  min-height: 22px;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--wire);
  border-radius: var(--radius-control);
  color: var(--signal-tertiary);
  padding: 0 6px;
}

.x-post-type.type-quote { border-color: var(--wire-focus); color: var(--tape-blue); }

.x-source-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--tape-blue);
  text-decoration: none;
  white-space: nowrap;
}

.x-source-missing {
  color: var(--signal-muted);
}

.x-source-link:active { transform: scale(0.97); }

.x-post-symbols {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 8px;
}

.x-post-symbols a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  color: var(--profit);
  padding: 0 8px;
  font: 700 var(--type-body)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
  text-decoration: none;
  transition: background-color 150ms ease-out, color 150ms ease-out,
    transform 120ms ease-out;
}

.x-post-symbols a:hover { background: var(--wire-soft); color: var(--signal-ink); }
.x-post-symbols a:active { transform: scale(0.97); }

.x-post-copy,
.x-long-post p {
  margin: 12px 0 0;
  color: var(--signal-secondary);
  font-size: var(--type-body);
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.x-long-post { margin-top: 12px; }

.x-long-post summary {
  display: grid;
  gap: 12px;
  border-radius: var(--radius-control);
  color: var(--signal-secondary);
  cursor: pointer;
  list-style: none;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.x-long-post summary::-webkit-details-marker { display: none; }
.x-long-post summary strong {
  color: var(--tape-blue);
  font-size: var(--type-meta);
  font-weight: 700;
}
.x-long-post[open] summary span { display: none; }
.x-long-post[open] summary strong::before { content: "收起 · "; }

.x-post-media {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  margin-top: 16px;
}

.x-post-media.is-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.x-post-media figure {
  position: relative;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-control);
  background: var(--tape-inset);
}

.x-post-media img {
  width: 100%;
  max-height: 420px;
  display: block;
  object-fit: cover;
  box-shadow: inset 0 0 0 1px var(--wire);
}

.x-post-media figcaption {
  position: absolute;
  right: 8px;
  bottom: 8px;
  border-radius: var(--radius-control);
  background: var(--header-glass);
  color: var(--signal-secondary);
  padding: 5px 7px;
  font: 600 var(--type-meta)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-empty-state {
  min-height: 440px;
  display: grid;
  place-content: center;
  justify-items: center;
  border-bottom: 1px solid var(--wire);
  padding: 64px 24px;
  text-align: center;
}

.x-empty-state > span {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--wire);
  border-radius: var(--radius-panel);
  color: var(--signal-muted);
  font: 700 var(--type-key)/1 "Ubuntu Mono", "Nimbus Mono PS", monospace;
}

.x-offline-state > span { border-color: var(--wire-focus); color: var(--caution); }

.x-empty-state h3 {
  margin: 20px 0 0;
  color: var(--signal-ink);
  font-size: var(--type-key);
  font-weight: 650;
}

.x-empty-state p {
  max-width: 520px;
  margin: 12px 0 0;
  color: var(--signal-tertiary);
  font-size: var(--type-body);
  line-height: 1.6;
}

.x-empty-state a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-top: 12px;
  color: var(--tape-blue);
  text-underline-offset: 3px;
}

@media (max-width: 980px) {
  .x-hero { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .x-source-state { max-width: 620px; }
  .x-workbench { grid-template-columns: 240px minmax(0, 1fr); gap: 32px; }
}

@media (max-width: 840px) {
  .x-source-seats {
    grid-template-columns: none;
    grid-auto-columns: minmax(232px, 72vw);
    grid-auto-flow: column;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scrollbar-width: none;
  }
  .x-source-seats::-webkit-scrollbar { display: none; }
  .x-workbench { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .x-sidebar { position: static; }
  .x-sync-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .x-sync-facts div { display: block; padding: 12px; }
  .x-sync-facts dd { margin-top: 6px; text-align: left; }
  .x-symbol-filter { max-width: 420px; }
  .x-type-filter { max-width: 420px; }
}

@media (max-width: 600px) {
  .x-feed-main { padding-bottom: 64px; }
  .x-hero { padding: 36px 0 32px; }
  .x-workbench { gap: 48px; padding-top: 32px; }
  .x-sync-facts { grid-template-columns: minmax(0, 1fr); }
  .x-sync-facts div { display: grid; padding: 10px 0; }
  .x-sync-facts dd { margin-top: 0; text-align: right; }
  .x-stream-heading { align-items: start; }
  .x-post-list { padding-top: 20px; }
  .x-post-item { padding-left: 16px; }
  .x-post { padding: 16px; }
  .x-post-header { align-items: start; flex-direction: column; gap: 0; }
  .x-source-link { margin-top: 4px; }
  .x-post-media.is-grid { grid-template-columns: minmax(0, 1fr); }
}