.request-discussion {
  min-width: 0;
  margin-top: 24px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line, #dce5e8);
  border-radius: 10px;
  box-shadow: 0 3px 14px #20354105;
  font-size: 15px;
  line-height: 1.65;
}
.request-discussion-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; margin-bottom: 22px; }
.request-discussion-heading > div { min-width: 0; }
.request-discussion-heading h2 { font-size: 20px; font-weight: 750; line-height: 1.4; margin: 0; }
.request-discussion-heading .icon-button { min-width: 44px; min-height: 44px; flex: 0 0 44px; }
.request-discussion-help { font-size: 13px; line-height: 1.6; color: #5b6870; margin: 7px 0 0; }
.request-discussion-thread { display: grid; gap: 14px; max-height: 560px; overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-gutter: stable; margin-bottom: 22px; }
.request-discussion-thread:empty { display: none; }
.request-discussion-message { border: 1px solid #e3e9ec; border-radius: 7px; background: #f8fafb; padding: 18px; min-width: 0; }
.request-discussion-message[data-sender="staff"] { border-color: #eed2de; border-left: 3px solid var(--pink, #ef147d); background: #fff7fb; }
.request-discussion-message header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 5px 16px; font-size: 14px; }
.request-discussion-message header strong { font-weight: 700; }
.request-discussion-message time { font-size: 13px; color: #5b6870; }
.request-discussion-message p { white-space: pre-wrap; overflow-wrap: anywhere; font-size: 15px; line-height: 1.75; margin: 10px 0 0; }
.request-discussion-empty { margin: 0 0 22px; padding: 20px; border: 1px dashed #d3dfe4; border-radius: 7px; background: #f8fafb; color: #5b6870; font-size: 14px; line-height: 1.7; }
.request-discussion-status { margin: 0 0 16px; color: #5b6870; font-size: 14px; }
.request-discussion-status:empty { display: none; }
.request-discussion form { display: grid; justify-items: start; gap: 12px; margin-top: 22px; padding-top: 22px; border-top: 1px solid var(--line, #dce5e8); }
.request-discussion .field, .account-page .request-discussion .field { display: grid; width: 100%; gap: 10px; font-size: 14px; font-weight: 650; margin: 0; }
.request-discussion textarea { width: 100%; min-width: 0; min-height: 140px; box-sizing: border-box; resize: vertical; font: inherit; font-size: 16px; font-weight: 400; line-height: 1.65; padding: 14px; border: 1px solid #bdccd4; border-radius: 6px; background: #fff; color: #20272b; }
.request-discussion textarea::placeholder { color: #74828a; opacity: 1; }
.request-discussion form > .request-discussion-help { margin: 0; }
.request-discussion form > .button { font-size: 14px; min-height: 46px; margin-top: 4px; }
.request-discussion .text-link { min-height: 44px; font-size: 14px; }
.request-discussion-error { color: #922b4e; font-size: 14px; margin: 0; overflow-wrap: anywhere; }
@media (max-width: 540px) {
  .request-discussion { padding: 22px 18px; }
  .request-discussion-heading { gap: 12px; }
  .request-discussion-heading h2 { font-size: 19px; }
  .request-discussion-message { padding: 15px; }
  .request-discussion-empty { padding: 16px; }
  .request-discussion form .button { width: 100%; justify-content: center; }
  .request-discussion-thread { max-height: 460px; }
}