/* ========================================================================
   Messages / Communication Center
   ======================================================================== */

.msg-layout {
  display: grid;
  grid-template-columns: 340px 1fr 320px;
  height: calc(100vh - 72px);
  background: var(--surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
}
@media (max-width: 1100px) {
  .msg-layout { grid-template-columns: 300px 1fr; }
  .msg-side { display: none; }
}
@media (max-width: 700px) {
  .msg-layout { grid-template-columns: 1fr; height: calc(100vh - 72px); }
  .msg-list { display: var(--msg-mobile-list, flex); }
  .msg-thread { display: var(--msg-mobile-thread, none); }
}

/* Threads list */
.msg-list {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--cream-50);
  overflow: hidden;
}
.msg-list__head {
  padding: 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.msg-list__head h3 { font-size: 1.4rem; font-family: var(--font-display); }
.msg-list__search {
  position: relative;
}
.msg-list__search input {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: var(--text-sm);
}
.msg-list__search .icon-left { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--text-muted); }

.msg-list__tabs {
  display: flex;
  gap: 4px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
}
.msg-list__tab {
  padding: 12px 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  margin-right: 18px;
  font-weight: 500;
}
.msg-list__tab.is-active {
  color: var(--ink-500);
  border-bottom-color: var(--clay-500);
}

.msg-list__items {
  flex: 1;
  overflow-y: auto;
}
.msg-list__item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-out);
}
.msg-list__item:hover { background: var(--cream-100); }
.msg-list__item.is-active { background: var(--surface); border-left: 3px solid var(--clay-500); padding-left: 17px; }
.msg-list__item .avatar { width: 44px; height: 44px; }
.msg-list__item .row1 { display: flex; justify-content: space-between; }
.msg-list__item .name { font-size: var(--text-sm); font-weight: 500; }
.msg-list__item .time { font-size: var(--text-2xs); color: var(--text-muted); }
.msg-list__item .preview {
  color: var(--text-muted);
  font-size: var(--text-xs);
  margin-top: 2px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.msg-list__item.is-unread .preview { color: var(--ink-500); font-weight: 500; }
.msg-list__item.is-unread .name::after {
  content: "";
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clay-500);
  margin-left: 8px;
}

/* Thread */
.msg-thread {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  overflow: hidden;
}
.msg-thread__head {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
}
.msg-thread__head .info { flex: 1; min-width: 0; }
.msg-thread__head .info strong { font-family: var(--font-display); font-size: 1.15rem; display: block; }
.msg-thread__head .info small { color: var(--text-muted); font-size: var(--text-xs); display: flex; align-items: center; gap: 6px; }
.msg-thread__head .actions { display: flex; gap: 8px; }

.msg-thread__msgs {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.msg-day-divider {
  text-align: center;
  font-size: var(--text-xs);
  color: var(--text-subtle);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 16px 0;
  position: relative;
}
.msg-day-divider span {
  background: var(--surface);
  padding: 0 14px;
  position: relative;
  z-index: 1;
}
.msg-day-divider::before {
  content: "";
  position: absolute;
  inset: 50% 0;
  height: 1px;
  background: var(--border);
}

.msg-row {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 12px;
  align-items: flex-start;
}
.msg-row.is-me { grid-template-columns: 1fr 32px; }
.msg-row.is-me .msg-row__bubble { background: var(--clay-500); color: var(--cream-50); margin-left: auto; }
.msg-row.is-me .msg-row__meta { text-align: right; }
.msg-row.is-me .msg-row__avatar { order: 2; }
.msg-row.is-me .msg-row__body { order: 1; }

.msg-row__avatar { width: 32px; height: 32px; }
.msg-row__body { min-width: 0; }
.msg-row__bubble {
  background: var(--cream-100);
  padding: 10px 16px;
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  display: inline-block;
  max-width: 480px;
  word-wrap: break-word;
}
.msg-row__meta {
  font-size: var(--text-2xs);
  color: var(--text-muted);
  margin-top: 4px;
}

/* Attachment card */
.msg-attach {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  gap: 12px;
  align-items: center;
  margin-top: 4px;
  max-width: 420px;
}
.msg-attach .icon-circle { width: 40px; height: 40px; flex-shrink: 0; }
.msg-attach .info strong { font-size: var(--text-sm); display: block; }
.msg-attach .info small { color: var(--text-muted); font-size: var(--text-xs); }

/* Quote card inline */
.msg-quote {
  background: var(--cream-50);
  border: 1px solid var(--clay-100);
  border-radius: var(--radius-lg);
  padding: 18px;
  margin-top: 4px;
  max-width: 440px;
}
.msg-quote h5 { font-family: var(--font-display); font-size: 1.2rem; }
.msg-quote .price {
  font-family: var(--font-display);
  font-size: 1.8rem;
  color: var(--clay-500);
  letter-spacing: -0.02em;
  margin: 8px 0;
}
.msg-quote ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin: 12px 0;
}
.msg-quote li {
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.msg-quote li::before { content: "·"; color: var(--clay-500); font-weight: 700; }
.msg-quote .actions { display: flex; gap: 8px; }

/* Composer */
.msg-composer {
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  background: var(--surface);
}
.msg-composer textarea {
  flex: 1;
  border: 0;
  background: var(--cream-100);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  resize: none;
  min-height: 44px;
  max-height: 160px;
  font-size: var(--text-sm);
  outline: 0;
  font-family: var(--font-sans);
}
.msg-composer textarea:focus { background: var(--surface); box-shadow: 0 0 0 2px var(--border-strong); }

.msg-composer__send {
  width: 44px; height: 44px;
  background: var(--clay-500);
  color: var(--cream-50);
  border-radius: 50%;
  display: grid; place-items: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--dur-base) var(--ease-out);
}
.msg-composer__send:hover { background: var(--clay-600); transform: scale(1.05); }

.msg-composer__tools { display: flex; gap: 2px; }
.msg-composer__tools button {
  width: 36px; height: 36px;
  color: var(--text-muted);
  border-radius: 50%;
  display: grid; place-items: center;
  background: transparent;
}
.msg-composer__tools button:hover { background: var(--cream-200); color: var(--ink-500); }

/* AI suggestions strip */
.msg-suggest {
  padding: 12px 20px 0;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.msg-suggest .chip {
  font-size: var(--text-xs);
  padding: 6px 12px;
  background: var(--ink-500);
  color: var(--cream-50);
  border: 0;
}
.msg-suggest .chip::before { content: "✦ "; color: var(--clay-300); }

/* Side panel (vendor info) */
.msg-side {
  border-left: 1px solid var(--border);
  background: var(--cream-50);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.msg-side__hero {
  padding: 24px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}
.msg-side__hero .img {
  width: 88px; height: 88px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--clay-50);
  display: grid; place-items: center;
  font-size: 2.5rem;
}
.msg-side__hero h4 { font-size: 1.3rem; margin-bottom: 4px; }
.msg-side__hero small { color: var(--text-muted); font-size: var(--text-xs); }
.msg-side__hero .stars { justify-content: center; margin-top: 10px; }

.msg-side__block {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.msg-side__block .lbl {
  font-size: var(--text-2xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: block;
}
.msg-side__block .item {
  display: flex;
  justify-content: space-between;
  padding: 6px 0;
  font-size: var(--text-sm);
}
.msg-side__block .item strong { font-weight: 500; }

/* Mobile back btn on thread */
.msg-back {
  display: none;
  background: transparent;
  font-size: 20px;
  width: 36px; height: 36px;
  border-radius: 50%;
}
@media (max-width: 700px) {
  .msg-back { display: grid; place-items: center; }
  .msg-layout { border-radius: 12px; height: calc(100vh - 64px); }
  .msg-list__head { padding: 14px 16px; }
  .msg-list__head h3 { font-size: 1.2rem; }
  .msg-list__tabs { padding: 0 16px; overflow-x: auto; }
  .msg-list__tab { font-size: 12px; flex-shrink: 0; }
  .msg-list__item { padding: 14px 16px; gap: 12px; }
  .msg-list__item .avatar { width: 38px; height: 38px; }
  .msg-thread__head { padding: 12px 14px; }
  .msg-thread__head .info strong { font-size: 1rem; }
  .msg-thread__msgs { padding: 16px; }
  .msg-row__bubble { font-size: 13px; max-width: 280px; }
  .msg-composer { padding: 12px 14px; }
  .msg-composer textarea { font-size: 16px; padding: 10px 14px; }  /* prevents iOS zoom */
  .msg-composer__tools { display: none; }
  .msg-suggest { padding: 10px 14px 0; overflow-x: auto; flex-wrap: nowrap; }
  .msg-suggest::-webkit-scrollbar { display: none; }
  .msg-suggest .chip { flex-shrink: 0; }
}