/* ============================================================
   MESSAGES.CSS — Internal text messaging prototype (RTL, minimal clean)
   No backend, no auth, frontend-only demo
   ============================================================ */

.messages-page{
  max-width: 1100px;
  margin: 0 auto;
  padding-block: var(--space-6) var(--space-8);
}

.messages-notice{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  background: var(--color-warning-bg);
  border:1px solid rgba(198,124,0,0.22);
  color: var(--color-warning);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-4);
}
.messages-notice strong{ color: var(--color-warning); }

.role-switch{
  display:flex; gap:8px; flex-wrap:wrap; align-items:center;
  margin-bottom: var(--space-4);
}
.role-switch-label{ font-size: var(--text-xs); color: var(--text-muted); }
.role-btn{
  padding: 6px 14px;
  border-radius: var(--radius-full);
  border:1.5px solid var(--border-strong);
  background: var(--surface-raised);
  color: var(--text-muted);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor:pointer;
  transition: all var(--transition-fast);
}
.role-btn:hover{ border-color: var(--brand-300); color: var(--brand-700); background: var(--brand-50); }
.role-btn.is-active{ background: var(--brand-600); color:#fff; border-color: var(--brand-600); }
.role-btn:focus-visible{ outline:2px solid var(--border-focus); outline-offset:2px; }

/* ── Layout: list + conversation ── */
.messages-layout{
  display:grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  background: var(--surface-raised);
  border:1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow:hidden;
  min-height: 560px;
  box-shadow: var(--shadow-sm);
}

/* ── Conversation list (right side in RTL) ── */
.conv-list-pane{
  border-left:1px solid var(--border);
  display:flex;
  flex-direction:column;
  min-width:0;
  background: var(--surface-raised);
}
.conv-list-head{
  padding: var(--space-4) var(--space-4);
  border-bottom:1px solid var(--border);
  display:flex; align-items:center; justify-content:space-between; gap:8px;
}
.conv-list-title{ font-size: var(--text-sm); font-weight: var(--font-weight-bold); color: var(--text); }
.conv-list-count{ font-size: var(--text-xs); color: var(--text-muted); }
.conv-list{
  flex:1;
  overflow-y:auto;
  display:flex;
  flex-direction:column;
}
.conv-item{
  display:flex; gap:10px; align-items:flex-start;
  padding: 12px 14px;
  border-bottom:1px solid var(--border);
  cursor:pointer;
  text-align:right;
  background: var(--surface-raised);
  transition: background var(--transition-fast);
}
.conv-item:hover{ background: var(--surface-sunken); }
.conv-item.is-active{ background: var(--brand-50); border-inline-start: 3px solid var(--brand-500); }
.conv-item:focus-visible{ outline:2px solid var(--border-focus); outline-offset:-2px; }
.conv-avatar{
  width:40px; height:40px; border-radius:50%;
  background: var(--brand-100);
  color: var(--brand-700);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size:14px; flex-shrink:0;
  border:1px solid var(--brand-200);
}
.conv-main{ flex:1; min-width:0; }
.conv-name-row{
  display:flex; align-items:center; gap:6px; flex-wrap:wrap;
}
.conv-name{ font-size:13px; font-weight:700; color:var(--text); }
.conv-context{
  font-size:11px; color:var(--text-muted);
  background: var(--surface-sunken);
  border:1px solid var(--border);
  padding:2px 8px; border-radius:var(--radius-full);
  white-space:nowrap;
}
.conv-last{
  font-size:12px; color:var(--text-muted);
  white-space:nowrap; overflow:hidden; text-overflow:ellipsis;
  margin-top:2px;
}
.conv-meta{
  display:flex; flex-direction:column; align-items:flex-end; gap:6px; flex-shrink:0;
}
.conv-time{ font-size:11px; color:var(--text-faint); white-space:nowrap; }
.conv-unread{
  min-width:20px; height:20px; padding:0 6px;
  border-radius:var(--radius-full);
  background: var(--brand-600);
  color:#fff;
  font-size:11px; font-weight:800;
  display:inline-flex; align-items:center; justify-content:center;
  line-height:1;
}
/* unread identifiable without color only — also show icon and aria */
.conv-unread::before{ content:"•"; margin-left:4px; font-size:14px; line-height:1; }
.conv-unread[hidden]{ display:none !important; }
.conv-item.is-unread .conv-name{ font-weight:800; }
.conv-item.is-unread .conv-name::after{
  content:" ●";
  font-size:10px; color:var(--brand-600);
}

/* ── Active conversation ── */
.conv-pane{
  display:flex;
  flex-direction:column;
  min-width:0;
  min-height: 560px;
}
.conv-header{
  padding: 12px 16px;
  border-bottom:1px solid var(--border);
  background: var(--surface-sunken);
  display:flex; align-items:center; gap:12px;
  flex-wrap:wrap;
}
.conv-header-main{ flex:1; min-width:0; }
.conv-header-name{ font-size:14px; font-weight:800; color:var(--text); }
.conv-header-sub{ font-size:11px; color:var(--text-muted); margin-top:2px; }
.conv-header-context{
  display:flex; align-items:center; gap:8px; flex-wrap:wrap;
  font-size:11px; color:var(--text-muted);
}
.conv-header-context a{ color:var(--color-primary); font-weight:600; text-decoration:none; }
.conv-header-context a:hover{ text-decoration:underline; }
.conv-header-back{
  display:none;
  width:36px; height:36px; border-radius:50%;
  border:1px solid var(--border);
  background: var(--surface-raised);
  align-items:center; justify-content:center;
  cursor:pointer;
}

.messages-area{
  flex:1;
  overflow-y:auto;
  padding: 16px;
  display:flex;
  flex-direction:column;
  gap:10px;
  background: #fbfaf7;
}
.msg-row{
  display:flex;
  flex-direction:column;
  max-width: 78%;
}
.msg-row.is-buyer{ align-self: flex-start; }
.msg-row.is-producer{ align-self: flex-end; }
.msg-bubble{
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.8;
  border:1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}
.msg-row.is-buyer .msg-bubble{
  background: var(--surface-raised);
  border-color: var(--border);
  border-bottom-right-radius: 6px;
}
.msg-row.is-producer .msg-bubble{
  background: var(--brand-600);
  color:#fff;
  border-color: var(--brand-600);
  border-bottom-left-radius: 6px;
}
/* distinct without color only: different alignment + shape + label */
.msg-role-label{
  font-size: 10px;
  font-weight:700;
  color: var(--text-faint);
  margin-bottom:4px;
  display:flex; align-items:center; gap:6px;
}
.msg-row.is-producer .msg-role-label{ justify-content:flex-end; color: var(--brand-700); }
.msg-meta{
  font-size:11px; color: var(--text-faint);
  margin-top:4px;
  display:flex; gap:6px; align-items:center;
}
.msg-row.is-producer .msg-meta{ justify-content:flex-end; }

.composer{
  padding: 12px 14px;
  border-top:1px solid var(--border);
  background: var(--surface-raised);
  display:flex; gap:10px; align-items:flex-end;
}
.composer-input{
  flex:1;
  min-height:44px;
  max-height:120px;
  padding: 10px 14px;
  border-radius: 16px;
  border:1.5px solid var(--border-strong);
  background: var(--surface-sunken);
  font-family: var(--font-family);
  font-size:14px;
  line-height:1.7;
  resize: none;
  direction: rtl;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.composer-input:focus{ outline:none; border-color:var(--border-focus); box-shadow:0 0 0 3px rgba(46,142,46,0.12); background: var(--surface-raised); }
.composer-input::placeholder{ color: var(--text-faint); }
.composer-actions{
  display:flex; gap:8px; align-items:center; flex-shrink:0;
}
.btn-send{
  min-height:44px; height:44px;
  padding:0 18px;
  border-radius: var(--radius-full);
  background: linear-gradient(180deg, var(--brand-600) 0%, var(--brand-700) 100%);
  color:#fff; border:none;
  font-size:13px; font-weight:700;
  cursor:pointer;
  display:inline-flex; align-items:center; gap:6px;
  transition: filter var(--transition-fast), transform var(--transition-fast);
  white-space:nowrap;
}
.btn-send:hover{ filter:brightness(1.06); transform:translateY(-1px); }
.btn-send:active{ transform:translateY(0) scale(0.97); }
.btn-send:disabled{ opacity:0.45; cursor:not-allowed; transform:none; filter:none; }
.composer-hint{
  font-size:11px; color: var(--text-faint);
  margin-top:6px;
}
.char-count{ font-size:11px; color: var(--text-faint); }
.char-count.is-warn{ color: var(--color-danger); font-weight:700; }

/* ── States ── */
.msg-state{
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  padding: 40px 20px;
  text-align:center;
  gap:10px;
  color: var(--text-muted);
}
.msg-state-icon{ font-size:2.2rem; opacity:0.5; }
.msg-state-title{ font-size:14px; font-weight:700; color:var(--text); }
.msg-state-desc{ font-size:13px; line-height:1.8; max-width:32ch; }

/* ── Mobile: master-detail ── */
@media (max-width: 768px){
  .messages-layout{ grid-template-columns: 1fr; }
  .conv-list-pane{ display:flex; }
  .conv-pane{ display:none; }
  .messages-layout.is-detail .conv-list-pane{ display:none; }
  .messages-layout.is-detail .conv-pane{ display:flex; }
  .conv-header-back{ display:inline-flex; }
  .msg-row{ max-width: 86%; }
}
@media (min-width: 769px){
  .conv-header-back{ display:none !important; }
}