.chat-page {
  max-width: 1380px;
  margin: auto;
  padding: 60px clamp(24px, 7vw, 112px) 82px;
}

.messages-heading {
  display: flex;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 18px;
}

.messages-heading h1 {
  margin: 0;
  color: var(--ui-text, #173044);
  font: 700 clamp(46px, 5vw, 68px) / 1 var(--serif);
}

.messages-heading p:not(.eyebrow) {
  max-width: 660px;
  margin: 13px 0 0;
  color: var(--ui-muted, #607884);
  font-size: 13px;
  line-height: 1.7;
}

.message-count {
  flex: none;
  padding: 7px 10px;
  border: 1px solid color-mix(in srgb, var(--ui-accent, #1676a8) 25%, var(--ui-border-color, #bfd0da));
  border-radius: var(--ui-status-radius, 999px);
  background: var(--ui-info-bg, #edf6f8);
  color: var(--ui-accent, #1676a8);
  font-size: var(--type-badge-size, 10px);
  font-weight: var(--type-badge-weight, 800);
  letter-spacing: 0;
  line-height: 1.35;
}

.message-toolbar {
  margin: 0 0 24px;
}

:where(.message-toolbar):not(.ui-action-row) {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  justify-content: space-between;
  flex-wrap: wrap;
}

:where(.message-toolbar-actions):not(.ui-action-row) {
  display: flex;
  gap: 9px;
  align-items: center;
  flex-wrap: wrap;
}

.message-toolbar-actions form {
  margin: 0;
}

.message-box-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 0;
}

.message-box-tabs a {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  min-height: 38px;
  padding: 8px 12px;
  border: 1px solid var(--ui-border-strong, #9eb9c5);
  background: var(--ui-surface, #fffdf7);
  color: var(--ui-text, #173044);
  font-size: 12px;
}

.message-box-tabs a.active {
  background: var(--ui-accent, #1676a8);
  border-color: var(--ui-accent, #1676a8);
  color: var(--ui-inverse-text, #fff);
}

.message-box-tabs span {
  font-weight: 800;
}

.chat-layout {
  display: grid;
  grid-template-columns: minmax(300px, .8fr) minmax(360px, 1.2fr);
  gap: 16px;
  align-items: start;
}

.message-compose,
.message-inbox,
.message-detail {
  border: 1px solid var(--ui-border-color, #bfd0da);
  background: var(--ui-surface, #fffdf7);
  box-shadow: var(--ui-shadow-card, 0 8px 22px rgba(23, 47, 66, .08));
}

.message-compose {
  grid-column: 1 / -1;
  padding: 22px;
}

.message-compose[hidden] {
  display: none;
}

.message-compose.is-open {
  display: block;
}

.message-inbox {
  padding: 0;
}

.message-detail {
  min-height: 520px;
  padding: 0;
  overflow: hidden;
}

.panel-title {
  display: flex;
  gap: 8px;
  align-items: center;
  padding-bottom: 13px;
  border-bottom: 1px solid var(--ui-border-color, #bfd0da);
}

.panel-title span {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  background: var(--ui-accent, #1676a8);
  color: var(--ui-inverse-text, #fff);
  font-size: 12px;
}

.message-compose h2,
.message-inbox h2,
.message-detail h2 {
  margin: 0;
  color: var(--ui-text, #173044);
  font: 700 28px / 1.1 var(--serif);
}

.message-compose label {
  display: block;
  margin-top: 13px;
  color: var(--ui-text, #173044);
  font-size: 11px;
  font-weight: 800;
}

.message-compose input,
.message-compose textarea {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border: 1px solid var(--ui-border-strong, #9eb9c5);
  background: var(--ui-input-bg, #fff);
  color: var(--ui-text, #173044);
}

.message-compose textarea {
  resize: vertical;
}

.message-compose .primary {
  margin-top: 17px;
}

.message-inbox-title,
.chat-window-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--ui-border-color, #bfd0da);
  background: var(--ui-filter-bg, #f5fafb);
}

.chat-window-head {
  gap: 12px;
  justify-content: flex-start;
}

.message-inbox-title .eyebrow,
.chat-window-head .eyebrow {
  margin: 0 0 4px;
}

.message-inbox-title span {
  color: var(--ui-muted, #607884);
  font-size: 11px;
}

.message-list {
  display: grid;
  max-height: min(560px, 64vh);
  overflow: auto;
  overscroll-behavior: contain;
}

.message-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--ui-space-2, 8px);
  align-items: center;
  padding: var(--ui-space-3, 12px) var(--ui-card-padding, 14px);
  border-bottom: 1px solid var(--ui-row-divider-color, var(--ui-border-color, #bfd0da));
  transition: background .16s ease, box-shadow .16s ease;
}

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

.message-row:hover,
.message-row.active {
  background: var(--ui-row-hover-bg, var(--ui-info-bg, #edf6f8));
  box-shadow: inset 3px 0 var(--ui-accent, #1676a8);
}

.message-row.unread b {
  color: var(--ui-accent, #1676a8);
}

.message-row.starred .message-from {
  background: var(--ui-warning-bg, #fff8e9);
  color: var(--ui-warning-text, #7b541b);
}

.message-check {
  display: grid !important;
  place-items: center;
  margin: 0 !important;
  font-size: 0 !important;
}

.message-check input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--ui-accent, #1676a8);
}

.message-row-link {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto;
  gap: var(--ui-space-2, 8px);
  align-items: center;
  min-width: 0;
}

.message-row-link div {
  min-width: 0;
}

.message-row-link b,
.message-row-link small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.message-from {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--ui-accent, #1676a8) 14%, var(--ui-surface-elevated, var(--ui-surface, #fffdf7)));
  color: var(--ui-accent, #1676a8);
  font-size: var(--type-helper-font-size, 12px);
  font-weight: 800;
}

.message-row b,
.message-row small {
  display: block;
}

.message-row b {
  font-size: var(--type-message-title-size, 12px);
}

.message-row small {
  margin-top: 4px;
  color: var(--ui-muted, #607884);
  font-size: var(--type-helper-font-size, 10px);
}

.message-row i {
  color: var(--ui-danger, #b35243);
  font-size: var(--type-badge-size, 9px);
  font-style: normal;
  font-weight: 800;
}

.message-bulk-form {
  margin: 0;
}

.message-bulk-toolbar {
  display: flex;
  gap: var(--ui-space-2, 8px);
  align-items: center;
  flex-wrap: nowrap;
  padding: var(--ui-filter-padding, 12px) 14px;
  border-bottom: 1px solid var(--ui-border-color, #bfd0da);
  background: var(--ui-filter-bg, #f5fafb);
}

.message-bulk-toolbar .quiet-button,
.message-bulk-toolbar .primary {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 12px;
}

.message-bulk-toolbar .select-menu,
.message-bulk-toolbar select {
  flex: 1 1 auto;
  min-width: 0;
  max-width: 240px;
  margin-top: 0;
}

.inbox-empty {
  margin: 0;
  padding: 28px 22px;
}

.message-conversation {
  height: calc(100% - 78px);
  max-height: 650px;
  overflow: auto;
  padding: 22px;
  background: linear-gradient(180deg, var(--ui-empty-bg, #f7fbfc), var(--ui-surface, #fffdf7));
  overscroll-behavior: contain;
}

.message-conversation article {
  max-width: min(620px, 86%);
  margin: 12px 0;
  padding: 12px 14px;
  border: 1px solid var(--ui-border-color, #bfd0da);
  background: var(--ui-surface, #fffdf7);
  box-shadow: var(--ui-shadow-card, 0 8px 22px rgba(23, 47, 66, .08));
  transition: box-shadow .2s ease, border-color .2s ease, background .2s ease;
}

.message-conversation article.mine {
  margin-left: auto;
  background: var(--ui-info-bg, #edf6f8);
  border-color: color-mix(in srgb, var(--ui-accent, #1676a8) 34%, var(--ui-border-color, #bfd0da));
}

.message-conversation article.focused-message {
  border-color: var(--ui-accent, #1676a8);
  background: var(--ui-info-bg, #edf6f8);
  box-shadow: var(--ui-shadow-focus, 0 0 0 3px color-mix(in srgb, var(--ui-accent, #1676a8) 22%, transparent)), var(--ui-shadow-soft, 0 12px 30px rgba(23, 47, 66, .12));
}

.message-conversation small {
  display: block;
  color: var(--ui-muted, #607884);
  font-size: 9px;
}

.message-conversation b {
  display: block;
  margin-top: 4px;
  font-size: 12px;
}

.message-conversation p {
  margin: 6px 0 0;
  color: var(--ui-text, #173044);
  font-size: 12px;
  line-height: 1.65;
}

.bubble-actions {
  margin-top: 9px;
}

:where(.bubble-actions):not(.ui-action-row) {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.bubble-actions form {
  margin: 0;
}

.bubble-actions button {
  min-height: 32px !important;
  padding: 6px 9px !important;
  font-size: 10px !important;
}

.chat-reply-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px 12px;
  align-items: end;
  padding: 14px;
  border-top: 1px solid var(--ui-border-color, #bfd0da);
  background: var(--ui-filter-bg, #f5fafb);
}

.chat-reply-form label {
  display: grid;
  gap: 6px;
  min-width: 0;
  margin: 0;
}

.chat-reply-subject {
  grid-column: 1 / -1;
}

.chat-reply-body {
  grid-column: 1;
}

.chat-reply-form input,
.chat-reply-form textarea {
  width: 100%;
  min-height: 38px;
  padding: 9px 10px;
  border: 1px solid var(--ui-border-strong, #9eb9c5);
  background: var(--ui-input-bg, #fff);
  color: var(--ui-text, #173044);
  font-size: 12px;
}

.chat-reply-form textarea {
  min-height: 104px;
  resize: vertical;
  white-space: pre-wrap;
}

.chat-reply-form .primary {
  grid-column: 2;
  align-self: end;
  min-height: 38px;
  padding: 9px 13px;
}

.empty {
  color: var(--ui-muted, #607884);
  font-size: var(--type-helper-font-size, 13px);
  line-height: 1.7;
}

.chat-window > .empty {
  padding: 24px;
}

.message-compose-toggle {
  display: inline-flex;
}

.message-list,
.message-conversation {
  overscroll-behavior: auto !important;
  -webkit-overflow-scrolling: touch;
  touch-action: auto;
}

@media (max-width: 900px) {
  .chat-page {
    padding: 38px 20px 60px;
  }

  .messages-heading {
    display: block;
  }

  .message-count {
    display: inline-block;
    margin-top: 16px;
  }

  .chat-layout {
    grid-template-columns: 1fr;
  }

  .message-detail {
    min-height: auto;
    overflow: visible;
  }

  .message-conversation {
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    touch-action: pan-y;
  }

  .message-conversation.standalone {
    display: block;
  }

  .messages-heading h1 {
    font-size: 44px;
  }

  .message-bulk-toolbar {
    gap: 6px;
  }

  .message-bulk-toolbar .quiet-button,
  .message-bulk-toolbar .primary {
    padding: 8px 9px !important;
    white-space: nowrap;
  }

  .message-bulk-toolbar .select-menu {
    flex: 1 1 0;
    max-width: none;
  }

  .message-row-link {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .message-row-link i {
    grid-column: 2;
  }

  .message-from {
    width: 28px;
    height: 28px;
  }

  .message-conversation article {
    max-width: 96%;
  }

  .chat-reply-form {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .chat-reply-body,
  .chat-reply-form .primary {
    grid-column: 1;
  }
}

@media (max-width: 430px) {
  .message-bulk-toolbar .quiet-button,
  .message-bulk-toolbar .primary {
    padding-left: 7px !important;
    padding-right: 7px !important;
    font-size: 11px !important;
  }

  .message-bulk-toolbar .select-menu summary {
    padding-left: 8px;
    padding-right: 8px;
    font-size: 11px;
  }
}

/* Core UI compatibility for messages loaded after pages.css. */
.chat-page {
  color: var(--ui-text, #173044);
  font-family: var(--type-font-ui, var(--sans, system-ui, sans-serif));
}

.chat-page :where(.messages-heading h1, .message-compose h2, .message-inbox h2, .message-detail h2) {
  color: var(--ui-text, #173044);
}

.chat-page :where(.messages-heading p:not(.eyebrow), .message-inbox-title span, .message-row small, .message-conversation small, .empty) {
  color: var(--ui-muted, #607884);
}

.chat-page :where(.message-toolbar:not(.ui-action-row), .message-toolbar-actions:not(.ui-action-row), .message-box-tabs, .message-bulk-toolbar, .bubble-actions:not(.ui-action-row), .chat-reply-form) {
  gap: var(--ui-space-2, 8px);
}

.chat-page :where(.message-compose, .message-inbox, .message-detail, .message-conversation article) {
  border-color: var(--ui-border-color, #bfd0da);
  border-radius: var(--ui-panel-radius, 6px);
  background: var(--ui-surface, #fffdf7);
  color: var(--ui-text, #173044);
  box-shadow: var(--ui-shadow-soft, 0 12px 30px rgba(23, 47, 66, .12));
}

.chat-page :where(.message-inbox-title, .chat-window-head, .message-bulk-toolbar, .chat-reply-form, .panel-title) {
  border-color: var(--ui-border-color, #bfd0da);
  background: var(--ui-filter-bg, #f5fafb);
  color: var(--ui-text, #173044);
}

.chat-page :where(.message-box-tabs a) {
  min-height: var(--ui-control-height, 40px);
  padding: 0 var(--ui-button-padding-x, 12px);
  border: 1px solid var(--ui-border-color, #bfd0da);
  border-radius: var(--ui-control-radius, 3px);
  background: var(--ui-surface, #fffdf7);
  color: var(--ui-text, #173044);
  font-size: var(--type-button-size, var(--ui-control-font-size, 12px));
  font-weight: var(--type-button-weight, 800);
  text-decoration: none;
}

.chat-page :where(.message-box-tabs a:hover, .message-box-tabs a:focus-visible) {
  border-color: var(--ui-accent, #1676a8);
  color: var(--ui-accent, #1676a8);
}

.chat-page :where(.message-box-tabs a.active) {
  border-color: var(--ui-accent, #1676a8);
  background: var(--ui-accent, #1676a8);
  color: var(--ui-inverse-text, #fff);
}

.chat-page :where(.message-count) {
  border-color: color-mix(in srgb, var(--ui-accent, #1676a8) 25%, var(--ui-border-color, #bfd0da));
  background: var(--ui-info-bg, #edf6f8);
  color: var(--ui-accent, #1676a8);
}

.chat-page :where(.panel-title span, .message-from) {
  background: color-mix(in srgb, var(--ui-accent, #1676a8) 14%, var(--ui-surface-elevated, var(--ui-surface, #fffdf7)));
  color: var(--ui-accent, #1676a8);
}

.chat-page :where(.message-row) {
  border-color: var(--ui-row-divider-color, var(--ui-border-color, #bfd0da));
}

.chat-page :where(.message-row:hover, .message-row.active) {
  background: var(--ui-row-hover-bg, var(--ui-info-bg, #edf6f8));
  box-shadow: inset 3px 0 var(--ui-accent, #1676a8);
}

.chat-page :where(.message-row.starred .message-from) {
  background: var(--ui-warning-bg, #fff8e9);
  color: var(--ui-warning-text, #7b541b);
}

.chat-page :where(.message-compose label, .chat-reply-form label) {
  color: var(--ui-text, #173044);
  font-size: var(--type-form-label-size, 11px);
  font-weight: var(--type-form-label-weight, 800);
}

.chat-page :where(.message-compose input, .message-compose textarea, .chat-reply-form input, .chat-reply-form textarea) {
  min-height: var(--ui-control-height, 40px);
  border-color: var(--ui-border-color, #bfd0da);
  border-radius: var(--ui-control-radius, 3px);
  background: var(--ui-input-bg, #fff);
  color: var(--ui-text, #173044);
  font-size: var(--type-form-control-size, var(--ui-control-font-size, 12px));
}

.chat-page :where(.message-conversation) {
  background: linear-gradient(180deg, var(--ui-empty-bg, #f7fbfc), var(--ui-surface, #fffdf7));
}

.chat-page :where(.message-conversation article.mine) {
  border-color: color-mix(in srgb, var(--ui-accent, #1676a8) 34%, var(--ui-border-color, #bfd0da));
  background: var(--ui-info-bg, #edf6f8);
}

.chat-page :where(.message-conversation article.focused-message) {
  border-color: var(--ui-accent, #1676a8);
  background: var(--ui-info-bg, #edf6f8);
  box-shadow: var(--ui-shadow-focus, 0 0 0 3px color-mix(in srgb, var(--ui-accent, #1676a8) 22%, transparent)), var(--ui-shadow-soft, 0 12px 30px rgba(23, 47, 66, .12));
}

.chat-page :where(.message-conversation p) {
  color: var(--ui-text, #173044);
}