/* ============================================================
   messages.css  —  Messages (chat) page.
   A chat UI has no Bootstrap equivalent, so the two-pane shell
   is fully custom. All scoped under .page-messages.
   ============================================================ */

.page-messages { max-width: 1100px; }

.page-messages .ms-layout {
  display: grid; grid-template-columns: 280px 1fr; gap: 0;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); overflow: hidden;
  height: calc(100vh - 150px); min-height: 460px;
}

/* conversation list */
.page-messages .ms-list { border-right: 1px solid var(--border); overflow-y: auto; }
.page-messages .ms-item { display: flex; gap: 10px; padding: 14px 16px; border-bottom: 1px solid var(--border); cursor: pointer; transition: background .15s; }
.page-messages .ms-item:hover { background: var(--surface2); }
.page-messages .ms-item.active { background: var(--gold-pale2); border-left: 3px solid var(--gold); }
.page-messages .ms-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--navy-mid); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0; }
.page-messages .ms-name { font-size: 13px; font-weight: 500; color: var(--ink); }
.page-messages .ms-preview { font-size: 11px; color: var(--muted); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 170px; }
.page-messages .ms-time { font-size: 10px; color: var(--muted2); margin-left: auto; flex-shrink: 0; }

/* thread */
.page-messages .ms-thread { display: flex; flex-direction: column; }
.page-messages .ms-thread-head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 10px; }
.page-messages .ms-messages { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; background: var(--cream); }
.page-messages .ms-bubble { max-width: 70%; padding: 10px 14px; border-radius: 14px; font-size: 13px; line-height: 1.5; }
.page-messages .ms-them { background: var(--surface); border: 1px solid var(--border); color: var(--ink2); align-self: flex-start; border-bottom-left-radius: 4px; }
.page-messages .ms-me { background: var(--navy); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.page-messages .ms-btime { font-size: 9px; opacity: 0.6; margin-top: 4px; display: block; }

/* input */
.page-messages .ms-input-row { display: flex; gap: 10px; padding: 14px 18px; border-top: 1px solid var(--border); }
.page-messages .ms-input-row input { flex: 1; border: 1px solid var(--border); border-radius: 20px; padding: 10px 16px; font-size: 13px; font-family: 'DM Sans', sans-serif; outline: none; background: var(--surface2); }
.page-messages .ms-input-row input:focus { border-color: var(--navy); background: #fff; }
.page-messages .ms-send { background: var(--navy); color: #fff; border: none; border-radius: 50%; width: 40px; height: 40px; cursor: pointer; font-size: 14px; flex-shrink: 0; }

/* responsive: stack list over thread */
@media (max-width: 767.98px) {
  .page-messages .ms-layout { grid-template-columns: 1fr; grid-template-rows: auto 1fr; height: auto; }
  .page-messages .ms-list { max-height: 230px; }
  .page-messages .ms-item.active { border-left: none; border-bottom: 2px solid var(--gold); }
  .page-messages .ms-thread { min-height: 420px; }
}