.account-support {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}
.account-support__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 22px;
}
.account-support__heading h1 { margin: 0 0 6px; }
.account-support__heading p { margin: 0; }
.account-support__layout {
  display: grid;
  grid-template-columns: minmax(280px, 380px) minmax(0, 1fr);
  min-height: 620px;
  border: 1px solid var(--aidc-border-default);
  border-radius: var(--aidc-radius-dialog);
  overflow: hidden;
  background: var(--aidc-bg-panel);
}
.account-support__list-panel {
  border-right: 1px solid var(--aidc-border-default);
  background: var(--aidc-bg-elevated);
}
.account-support__state,
.account-support__empty {
  padding: 28px;
  color: var(--aidc-text-muted);
  line-height: 1.5;
}
.account-support__list { display: grid; }
.account-support__item {
  display: grid;
  gap: 7px;
  width: 100%;
  padding: 16px;
  border: 0;
  border-bottom: 1px solid var(--aidc-border-subtle);
  color: var(--aidc-text-primary);
  background: transparent;
  text-align: left;
  cursor: pointer;
}
.account-support__item:hover,
.account-support__item.is-active { background: var(--aidc-btn-secondary-bg-hover); }
.account-support__item:focus-visible,
.account-support__reply textarea:focus-visible {
  outline: 2px solid var(--aidc-action-focus);
  outline-offset: -2px;
}
.account-support__item-top,
.account-support__item-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.account-support__item-id { font-size: var(--aidc-font-size-caption); font-weight: 800; }
.account-support__item-subject {
  overflow: hidden;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.account-support__item-preview {
  display: -webkit-box;
  overflow: hidden;
  color: var(--aidc-text-secondary);
  font-size: var(--aidc-font-size-caption);
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.account-support__item-meta {
  color: var(--aidc-text-muted);
  font-size: var(--aidc-font-size-caption);
}
.account-support__badge {
  display: inline-grid;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  place-items: center;
  border-radius: 999px;
  color: var(--aidc-text-inverse);
  background: var(--aidc-action-primary-from);
  font-size: 11px;
  font-weight: 800;
}
.account-support__dialog-panel { min-width: 0; }
.account-support__dialog {
  display: grid;
  grid-template-rows: auto minmax(260px, 1fr) auto;
  height: 100%;
}
/* The author-level grid display must not override the HTML hidden state. */
.account-support__dialog[hidden] { display: none; }
.account-support__dialog-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--aidc-border-subtle);
  background: var(--aidc-gradient-brand-surface);
}
.account-support__dialog-heading h2 { margin: 4px 0 0; font-size: 18px; }
.account-support__ticket-id {
  color: var(--aidc-text-muted);
  font-size: var(--aidc-font-size-caption);
  font-weight: 800;
}
.account-support__status {
  flex: 0 0 auto;
  padding: 6px 9px;
  border: 1px solid var(--aidc-border-default);
  border-radius: 999px;
  color: var(--aidc-text-secondary);
  background: var(--aidc-bg-card);
  font-size: var(--aidc-font-size-caption);
}
.account-support__messages {
  overflow-y: auto;
  padding: 18px 20px;
}
.account-support__message {
  width: fit-content;
  max-width: min(82%, 680px);
  margin: 0 0 12px;
  padding: 11px 13px;
  border: 1px solid var(--aidc-border-subtle);
  border-radius: var(--aidc-radius-control);
  background: var(--aidc-bg-card);
  overflow-wrap: anywhere;
}
.account-support__message--user {
  margin-left: auto;
  border-color: color-mix(in srgb, var(--aidc-action-primary-from) 45%, var(--aidc-border-default));
}
.account-support__message-author {
  margin-bottom: 5px;
  color: var(--aidc-text-muted);
  font-size: var(--aidc-font-size-caption);
  font-weight: 750;
}
.account-support__message-time {
  margin-top: 6px;
  color: var(--aidc-text-muted);
  font-size: 11px;
}
.account-support__reply {
  padding: 14px 18px;
  border-top: 1px solid var(--aidc-border-subtle);
  background: var(--aidc-bg-elevated);
}
.account-support__reply label {
  display: block;
  margin-bottom: 7px;
  color: var(--aidc-text-secondary);
  font-size: var(--aidc-font-size-caption);
}
.account-support__reply-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: end;
  gap: 9px;
}
.account-support__reply textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 11px;
  box-sizing: border-box;
  resize: vertical;
  border: 1px solid var(--aidc-dialog-input-border);
  border-radius: var(--aidc-radius-control);
  color: var(--aidc-text-primary);
  background: var(--aidc-dialog-input-bg);
  font: inherit;
}
.account-support__reply .muted { margin: 7px 0 0; font-size: var(--aidc-font-size-caption); }
.account-support__pagination {
  display: flex;
  gap: 7px;
  justify-content: center;
  padding: 14px;
}
.account-support__pagination button {
  min-width: 36px;
  height: 36px;
  border: 1px solid var(--aidc-btn-secondary-border);
  border-radius: var(--aidc-radius-control);
  color: var(--aidc-text-primary);
  background: var(--aidc-btn-secondary-bg);
  cursor: pointer;
}
.account-support__pagination button.is-active { border-color: var(--aidc-action-primary-from); }

@media (max-width: 760px) {
  .account-support { width: min(100% - 20px, 680px); padding-top: 18px; }
  .account-support__heading { align-items: stretch; flex-direction: column; }
  .account-support__heading .btn { width: 100%; }
  .account-support__layout {
    display: block;
    min-height: 0;
    overflow: visible;
  }
  .account-support__list-panel { border-right: 0; }
  .account-support__dialog-panel {
    border-top: 1px solid var(--aidc-border-default);
  }
  .account-support__dialog { min-height: 560px; }
  .account-support__dialog-heading { align-items: stretch; flex-direction: column; }
  .account-support__status { align-self: flex-start; }
  .account-support__message { max-width: 92%; }
  .account-support__reply-row { grid-template-columns: 1fr; }
  .account-support__reply-row .btn { width: 100%; }
}