.message-scroller-showcase {
  width: min(100%, 680px);
  display: grid;
  grid-template-columns: minmax(0, 392px) minmax(220px, 268px);
  align-items: start;
  gap: 20px;
}

.message-scroller-example,
.message-scroller-state-column {
  min-width: 0;
}

.message-scroller-example {
  display: grid;
  gap: 8px;
}

.message-scroller-example-label {
  padding-inline: 2px;
  color: var(--muted-foreground);
  font-size: 12px;
  font-weight: 500;
}

.message-scroller-card {
  width: 100%;
  height: 570px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: calc(var(--radius) + 2px);
  background: var(--card);
  color: var(--card-foreground);
  box-shadow: var(--shadow-sm);
}

.message-scroller-card-header {
  min-height: 68px;
  padding: 15px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--border);
}

.message-scroller-card-header h2,
.message-scroller-state-card h2 {
  color: var(--card-foreground);
  font-size: 14px;
  line-height: 1.35;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.message-scroller-card-header p,
.message-scroller-state-card header p {
  margin-top: 1px;
  color: var(--muted-foreground);
  font-size: 12px;
}

.message-scroller-member-stack {
  display: flex;
  flex-direction: row-reverse;
  justify-content: flex-end;
  padding-left: 7px;
}

.message-scroller-avatar {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-radius: 999px;
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 11px;
  line-height: 1;
  font-weight: 650;
  user-select: none;
}

.message-scroller-member-stack .message-scroller-avatar {
  width: 28px;
  height: 28px;
  flex-basis: 28px;
  margin-left: -7px;
  border: 2px solid var(--card);
  box-shadow: 0 0 0 1px var(--border);
}

.message-scroller-avatar--alex {
  background: #e0e7ff;
  color: #3730a3;
}

.message-scroller-avatar--maya {
  background: #fce7f3;
  color: #9d174d;
}

.message-scroller-avatar--sam {
  background: #dcfce7;
  color: #166534;
}

.message-scroller-root {
  position: relative;
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.message-scroller-viewport {
  width: 100%;
  min-width: 0;
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--muted-foreground) 45%, transparent) transparent;
  scroll-behavior: smooth;
  scroll-padding-block: 20px;
  outline: none;
  mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 30px), transparent 100%);
}

.message-scroller-viewport:focus-visible {
  outline: 2px solid var(--ring);
  outline-offset: -3px;
}

.message-scroller-content {
  min-height: 100%;
  height: max-content;
  padding: 25px 18px 64px;
  display: flex;
  flex-direction: column;
  gap: 25px;
}

.message-scroller-item {
  min-width: 0;
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  gap: 9px;
  font-size: 13px;
  scroll-margin-block: 28px;
}

.message-scroller-message-body {
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  overflow-wrap: anywhere;
}

.message-scroller-message-body > header,
.message-scroller-message-body > footer {
  padding-inline: 1px;
  color: var(--muted-foreground);
  font-size: 11px;
  line-height: 1.35;
  font-weight: 500;
}

.message-scroller-message-body > header time {
  margin-left: 5px;
  font-weight: 400;
}

.message-scroller-message-body > footer {
  align-self: flex-end;
}

.message-scroller-item--outgoing {
  flex-direction: row-reverse;
}

.message-scroller-item--outgoing .message-scroller-message-body {
  align-items: flex-end;
}

.message-scroller-bubble {
  width: fit-content;
  max-width: 86%;
  min-width: 0;
  padding: 8px 11px;
  border: 1px solid transparent;
  border-radius: calc(var(--radius) + 2px);
  font-size: 13px;
  line-height: 1.55;
}

.message-scroller-bubble--muted {
  background: var(--muted);
  color: var(--foreground);
}

.message-scroller-bubble--ghost {
  max-width: 100%;
  padding: 0;
  border-radius: 0;
  background: transparent;
}

.message-scroller-history {
  min-height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  color: var(--muted-foreground);
  font-size: 11px;
}

.message-scroller-history svg,
.message-scroller-scroll-status svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-scroller-divider,
.message-scroller-resume {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted-foreground);
  font-size: 10px;
  line-height: 1;
  white-space: nowrap;
}

.message-scroller-divider::before,
.message-scroller-divider::after,
.message-scroller-resume::before,
.message-scroller-resume::after {
  content: "";
  min-width: 0;
  height: 1px;
  flex: 1;
  background: var(--border);
}

.message-scroller-divider--unread {
  color: var(--foreground);
  font-weight: 600;
}

.message-scroller-divider--unread::before,
.message-scroller-divider--unread::after {
  background: color-mix(in srgb, var(--foreground) 22%, transparent);
}

.message-scroller-resume span {
  max-width: 76%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.message-scroller-anchor-label {
  padding-inline: 3px;
  color: var(--muted-foreground);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.message-scroller-item--anchor .message-scroller-bubble {
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--ring) 32%, transparent);
}

.message-scroller-item--new {
  animation: message-scroller-enter 420ms cubic-bezier(.22, 1, .36, 1) both;
}

.message-scroller-position {
  position: absolute;
  z-index: 3;
  top: 10px;
  right: 12px;
  min-height: 24px;
  padding: 3px 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--background) 88%, transparent);
  color: var(--muted-foreground);
  box-shadow: var(--shadow-xs);
  font-size: 10px;
  line-height: 1;
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.message-scroller-position-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--foreground);
}

.message-scroller-position-live {
  display: none;
}

.message-scroller-jump {
  position: absolute;
  z-index: 4;
  left: 50%;
  bottom: 16px;
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--background);
  color: var(--foreground);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  transform: translateX(-50%);
  transition: background-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.message-scroller-jump--start {
  top: 16px;
  bottom: auto;
  display: none;
}

.message-scroller-jump:hover {
  background: var(--muted);
  transform: translateX(-50%) translateY(-1px);
}

.message-scroller-jump:active {
  transform: translateX(-50%) translateY(1px);
}

.message-scroller-jump svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-scroller-jump-count {
  position: absolute;
  top: -5px;
  right: -5px;
  min-width: 17px;
  height: 17px;
  padding-inline: 4px;
  display: grid;
  place-items: center;
  border: 2px solid var(--background);
  border-radius: 999px;
  background: var(--foreground);
  color: var(--background);
  font-size: 9px;
  line-height: 1;
  font-weight: 700;
}

#message-latest:target {
  animation: message-scroller-highlight 1.1s ease-out;
}

.message-scroller-root:has(#message-latest:target) .message-scroller-content {
  justify-content: flex-end;
}

.message-scroller-root:has(#message-latest:target) .message-scroller-content > :not(.message-scroller-divider--unread, .message-scroller-item--new, #message-latest) {
  display: none;
}

.message-scroller-root:has(#message-latest:target) .message-scroller-jump--end,
.message-scroller-root:has(#message-latest:target) .message-scroller-position-away,
.message-scroller-card:has(#message-latest:target) .message-scroller-footer-away {
  display: none;
}

.message-scroller-root:has(#message-latest:target) .message-scroller-jump--start,
.message-scroller-root:has(#message-latest:target) .message-scroller-position-live,
.message-scroller-card:has(#message-latest:target) .message-scroller-footer-live {
  display: inline-flex;
}

.message-scroller-card-footer {
  min-height: 46px;
  padding: 11px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--border);
  background: var(--card);
  color: var(--muted-foreground);
  font-size: 11px;
}

.message-scroller-card-footer span {
  min-width: 0;
  align-items: center;
  gap: 6px;
}

.message-scroller-footer-away {
  display: inline-flex;
}

.message-scroller-footer-live {
  display: none;
}

.message-scroller-card-footer i,
.message-scroller-scroll-status .is-live span {
  width: 6px;
  height: 6px;
  flex: 0 0 6px;
  border-radius: 999px;
  background: var(--foreground);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--foreground) 10%, transparent);
}

.message-scroller-card-footer a {
  flex: 0 0 auto;
  color: var(--foreground);
  font-weight: 600;
  text-decoration: none;
}

.message-scroller-card-footer a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.message-scroller-state-column {
  padding-top: 26px;
  display: grid;
  gap: 10px;
}

.message-scroller-state-card {
  min-width: 0;
  padding: 14px;
  display: grid;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow-xs);
}

.message-scroller-state-card > header {
  display: flex;
  align-items: center;
  gap: 10px;
}

.message-scroller-state-icon {
  width: 32px;
  height: 32px;
  flex: 0 0 32px;
  display: grid;
  place-items: center;
  border-radius: calc(var(--radius) - 2px);
  background: var(--muted);
  color: var(--muted-foreground);
}

.message-scroller-state-icon svg {
  width: 15px;
  height: 15px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.message-scroller-state-icon--loading svg {
  animation: message-scroller-spin 900ms linear infinite;
}

.message-scroller-state-copy {
  color: var(--muted-foreground);
  font-size: 11px;
  line-height: 1.5;
}

.message-scroller-segments {
  display: grid;
  grid-template-columns: .8fr .7fr 1.35fr;
  padding: 3px;
  border-radius: calc(var(--radius) - 1px);
  background: var(--muted);
  color: var(--muted-foreground);
  font-size: 9px;
  line-height: 1;
  text-align: center;
}

.message-scroller-segments span {
  min-width: 0;
  padding: 7px 4px;
  border-radius: calc(var(--radius) - 3px);
}

.message-scroller-segments [aria-current="true"] {
  background: var(--background);
  color: var(--foreground);
  box-shadow: var(--shadow-xs);
  font-weight: 600;
}

.message-scroller-load-row {
  min-height: 34px;
  padding: 8px 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px dashed var(--border);
  border-radius: calc(var(--radius) - 2px);
  color: var(--muted-foreground);
  font-size: 10px;
}

.message-scroller-spinner {
  width: 13px;
  height: 13px;
  flex: 0 0 13px;
  border: 1.5px solid color-mix(in srgb, var(--muted-foreground) 28%, transparent);
  border-top-color: var(--foreground);
  border-radius: 999px;
  animation: message-scroller-spin 800ms linear infinite;
}

.message-scroller-progress {
  height: 4px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--muted);
}

.message-scroller-progress span {
  width: 50%;
  height: 100%;
  display: block;
  border-radius: inherit;
  background: var(--foreground);
}

.message-scroller-scroll-status {
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px 8px;
  color: var(--muted-foreground);
  font-size: 9px;
  list-style: none;
}

.message-scroller-scroll-status li {
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.message-scroller-scroll-status .is-live {
  grid-column: 1 / -1;
  color: var(--foreground);
}

.message-scroller-motion-preview {
  min-height: 37px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  overflow: hidden;
}

.message-scroller-motion-preview span {
  max-width: 90%;
  padding: 7px 10px;
  border-radius: calc(var(--radius) + 1px);
  background: var(--muted);
  color: var(--foreground);
  font-size: 10px;
  animation: message-scroller-enter 420ms 120ms cubic-bezier(.22, 1, .36, 1) both;
}

@keyframes message-scroller-spin {
  to { transform: rotate(360deg); }
}

@keyframes message-scroller-enter {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes message-scroller-highlight {
  0%, 30% { background: color-mix(in srgb, var(--muted) 80%, transparent); }
  100% { background: transparent; }
}

@media (prefers-color-scheme: dark) {
  .message-scroller-avatar--alex {
    background: #312e81;
    color: #e0e7ff;
  }

  .message-scroller-avatar--maya {
    background: #831843;
    color: #fce7f3;
  }

  .message-scroller-avatar--sam {
    background: #14532d;
    color: #dcfce7;
  }
}

@media (max-width: 760px) {
  .message-scroller-showcase {
    width: min(100%, 430px);
    grid-template-columns: minmax(0, 1fr);
  }

  .message-scroller-state-column {
    padding-top: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 480px) {
  .message-scroller-card {
    height: 536px;
  }

  .message-scroller-card-header {
    padding-inline: 14px;
  }

  .message-scroller-content {
    padding-inline: 14px;
  }

  .message-scroller-state-column {
    grid-template-columns: minmax(0, 1fr);
  }

  .message-scroller-position {
    right: 9px;
  }
}