.communication-page, .communication-dialog {
  --chat-primary: var(--brand-primary, #2563eb);
  --chat-surface: var(--brand-panel, #fff);
  --chat-soft: color-mix(in srgb, var(--chat-primary) 4%, var(--chat-surface));
  --chat-text: #182235;
  --chat-muted: #667085;
  --chat-border: color-mix(in srgb, var(--chat-primary) 12%, #e8ebf0);
}
.communication-page { display: grid; gap: 16px; min-width: 0; }
[data-theme="dark"] .communication-page, .theme-dark .communication-page, .dark .communication-page,
[data-theme="dark"] .communication-dialog, .theme-dark .communication-dialog, .dark .communication-dialog {
  --chat-surface: #172234; --chat-soft: #111b2b; --chat-text: #edf2fa; --chat-muted: #a7b5ca; --chat-border: #2d3b50;
}
.communication-page .communication-header { display: flex; flex-direction: row; align-items: center; justify-content: space-between; gap: 16px; }
.communication-header h1 { margin: 0; color: var(--chat-text); font-size: 1.7rem; font-weight: 650; }
.communication-header p { margin: 4px 0 0; color: var(--chat-muted); font-size: .9rem; }
.communication-page .MuiIconButton-root { color: var(--chat-primary); }
.communication-chat { display: grid; grid-template-columns: minmax(270px, 340px) minmax(0, 1fr); height: clamp(480px, 76dvh, 900px); overflow: hidden; border: 1px solid var(--chat-border); border-radius: 20px; background: var(--chat-surface); }
.chat-sidebar { display: flex; flex-direction: column; min-height: 0; min-width: 0; border-right: 1px solid var(--chat-border); }
.chat-sidebar-header { padding: 24px 18px 16px; }
.chat-sidebar-header h2 { margin: 0 0 18px; color: var(--chat-text); font-size: 1.3rem; font-weight: 700; }
.chat-sidebar-title { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.chat-sidebar-title h2 { margin: 0; }
.chat-search { display: flex; align-items: center; gap: 9px; padding: 11px 13px; background: var(--chat-soft); border: 1px solid var(--chat-border); border-radius: 12px; color: var(--chat-muted); }
.chat-search:focus-within { outline: 2px solid var(--chat-primary); outline-offset: 2px; }
.chat-search input { width: 100%; min-width: 0; background: transparent; border: 0; outline: none; color: var(--chat-text); font: inherit; font-size: .88rem; }
.chat-search input::placeholder { color: var(--chat-muted); }
.chat-filters { display: flex; gap: 8px; margin-top: 14px; }
.chat-filters button { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 20px; background: var(--chat-soft); color: var(--chat-muted); padding: 8px 13px; font: inherit; font-size: .8rem; cursor: pointer; }
.chat-filters button[aria-pressed="true"] { background: color-mix(in srgb, var(--chat-primary) 12%, var(--chat-surface)); color: var(--chat-primary); font-weight: 700; }
.chat-conversations { flex: 1; min-height: 0; overflow-y: auto; padding: 0 8px 12px; }
.chat-conversation { display: flex; align-items: center; gap: 12px; width: 100%; border: 0; border-radius: 12px; background: transparent; color: var(--chat-text); padding: 16px 10px; text-align: left; cursor: pointer; font: inherit; }
.chat-conversation:hover { background: var(--chat-soft); }
.chat-conversation.is-active { background: color-mix(in srgb, var(--chat-primary) 10%, var(--chat-surface)); }
.chat-conversation:focus-visible, .chat-filters button:focus-visible { outline: 2px solid var(--chat-primary); outline-offset: -2px; }
.chat-avatar { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: 50%; background: color-mix(in srgb, var(--chat-primary) 12%, var(--chat-surface)); color: var(--chat-primary); font-size: .9rem; font-weight: 700; }
.chat-avatar-family { background: color-mix(in srgb, #0d9488 14%, var(--chat-surface)); color: #0d9488; }
.chat-avatar-direct { background: color-mix(in srgb, #8b5cf6 14%, var(--chat-surface)); color: #8b5cf6; }
.chat-avatar-internal_group { background: color-mix(in srgb, #8b5cf6 14%, var(--chat-surface)); color: #8b5cf6; }
.chat-conversation-copy { flex: 1; display: grid; gap: 7px; min-width: 0; }
.chat-conversation-top, .chat-conversation-bottom { display: flex; align-items: center; justify-content: space-between; gap: 8px; min-width: 0; }
.chat-conversation-top strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: .9rem; font-weight: 600; }
.chat-conversation-top time { flex-shrink: 0; color: var(--chat-muted); font-size: .7rem; }
.chat-conversation-bottom > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--chat-muted); font-size: .8rem; }
.chat-conversation.is-unread strong { font-weight: 750; }
.chat-conversation.is-unread time { color: var(--chat-primary); }
.chat-unread { display: inline-flex; align-items: center; justify-content: center; min-width: 20px; height: 20px; flex-shrink: 0; padding: 0 5px; border-radius: 12px; background: var(--chat-primary); color: #fff; font-size: .68rem; font-weight: 700; }
.chat-panel { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: var(--chat-soft); }
.chat-panel-header { display: flex; align-items: center; gap: 12px; flex-shrink: 0; min-height: 84px; padding: 15px 24px; background: var(--chat-surface); border-bottom: 1px solid var(--chat-border); }
.chat-contact { flex: 1; min-width: 0; }
.chat-contact h2 { margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--chat-text); font-size: 1rem; font-weight: 700; }
.chat-contact p { margin: 4px 0 0; color: var(--chat-muted); font-size: .78rem; }
.chat-participants-button { display: block; background: transparent; border: 0; margin-top: 4px; padding: 3px 0; color: var(--chat-muted); font: inherit; font-size: .78rem; text-align: left; cursor: pointer; }
.chat-participants-button:hover { color: var(--chat-primary); text-decoration: underline; }
.communication-page .chat-patient { flex-shrink: 0; color: var(--chat-primary); text-transform: none; }
.communication-page .chat-back { display: none; }
.chat-history { display: flex; flex: 1; flex-direction: column; gap: 8px; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 24px clamp(16px, 3vw, 48px); }
.chat-day { display: flex; justify-content: center; margin: 8px 0 16px; }
.chat-day span { padding: 6px 13px; color: var(--chat-muted); font-size: .72rem; font-weight: 600; }
.chat-message { display: flex; flex-direction: column; align-self: flex-start; gap: 5px; max-width: min(78%, 640px); padding: 11px 15px 8px; border-radius: 19px 19px 19px 5px; background: var(--chat-surface); border: 1px solid var(--chat-border); color: var(--chat-text); }
.chat-message.is-mine { align-self: flex-end; border: 0; border-radius: 19px 19px 5px 19px; background: var(--chat-primary); color: #fff; }
.chat-message p { margin: 0; color: inherit; font-size: .92rem; line-height: 1.55; overflow-wrap: anywhere; white-space: pre-wrap; }
.chat-sender { font-size: .73rem; color: var(--chat-primary); }
.chat-message-meta { display: flex; align-items: center; align-self: flex-end; gap: 5px; color: var(--chat-muted); font-size: .65rem; }
.chat-message-meta > span { display: inline-flex; }
.chat-message.is-mine .chat-message-meta { color: #fff; opacity: .85; }
.chat-message.is-system { align-self: center; border: 0; border-radius: 12px; background: transparent; color: var(--chat-muted); text-align: center; }
.chat-message.is-system p { font-size: .78rem; }
.chat-composer { display: flex; align-items: flex-end; gap: 12px; flex-shrink: 0; padding: 16px 24px; background: var(--chat-surface); border-top: 1px solid var(--chat-border); }
.chat-composer .MuiOutlinedInput-root { padding: 11px 16px; border-radius: 24px; color: var(--chat-text); background: var(--chat-soft); font-size: .92rem; }
.chat-composer .MuiOutlinedInput-notchedOutline { border-color: var(--chat-border); }
.communication-page .chat-send { width: 44px; height: 44px; flex-shrink: 0; background: var(--chat-primary); color: #fff; }
.communication-page .chat-send:hover { background: color-mix(in srgb, var(--chat-primary) 85%, #000); }
.communication-page .chat-send.Mui-disabled { background: var(--chat-soft); color: var(--chat-muted); }
.chat-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; min-height: 200px; padding: 28px 20px; text-align: center; color: var(--chat-muted); }
.chat-empty p { font-size: .88rem; }
.chat-welcome { flex: 1; }
.chat-welcome h2 { color: var(--chat-text); font-size: 1.25rem; font-weight: 650; }
.chat-welcome-icon { display: grid; place-items: center; width: 92px; height: 92px; border-radius: 30px; color: var(--chat-primary); background: color-mix(in srgb, var(--chat-primary) 9%, var(--chat-surface)); margin-bottom: 8px; }
.communication-dialog .MuiDialog-paper { background: var(--chat-surface); color: var(--chat-text); border-radius: 18px; }
.communication-dialog .MuiButton-root { text-transform: none; }
.communication-dialog .MuiDialogContent-root { padding-top: 8px; }
.communication-dialog .chat-filters { margin: 14px 0; }
.chat-kind-options { display: flex; gap: 10px; }
.chat-kind-options button { display: flex; flex: 1; justify-content: center; align-items: center; gap: 8px; padding: 12px 8px; border: 1px solid var(--chat-border); border-radius: 12px; background: var(--chat-surface); color: var(--chat-muted); font: inherit; font-size: .85rem; cursor: pointer; }
.chat-kind-options button[aria-pressed="true"] { color: var(--chat-primary); border-color: var(--chat-primary); background: var(--chat-soft); font-weight: 700; }
.communication-dialog .chat-new-help { color: var(--chat-muted); font-size: .82rem; margin: 16px 0; line-height: 1.5; }
.chat-selected-contacts { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.communication-dialog .chat-selection-count { color: var(--chat-muted); font-size: .75rem; margin: 8px 0; }
.chat-contact-options { max-height: 290px; overflow-y: auto; margin-top: 10px; }
.chat-contact-option { display: flex; align-items: center; gap: 8px; min-height: 64px; border-radius: 10px; padding: 3px 8px 3px 0; cursor: pointer; }
.chat-contact-option:hover, .chat-contact-option.is-selected { background: var(--chat-soft); }
.chat-contact-option > span:not(.MuiCheckbox-root):not(.chat-coordination-label) { flex: 1; min-width: 0; }
.chat-contact-option strong { display: block; color: var(--chat-text); font-size: .88rem; overflow-wrap: anywhere; }
.chat-contact-option small { display: block; margin-top: 4px; color: var(--chat-muted); font-size: .75rem; }
.chat-coordination-label { border-radius: 12px; padding: 5px 8px; background: color-mix(in srgb, var(--chat-primary) 10%, var(--chat-surface)); color: var(--chat-primary); font-size: .65rem; }
.chat-member { padding: 14px 0; border-bottom: 1px solid var(--chat-border); }
.chat-member p { margin-top: 4px; font-size: .8rem; color: var(--chat-muted); }
@media (max-width: 760px) {
  .communication-page { gap: 12px; }
  .communication-header h1 { font-size: 1.4rem; }
  .communication-header p { font-size: .8rem; }
  .communication-chat { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); height: var(--chat-available-height, calc(100dvh - 220px)); min-height: 0; border-radius: 16px; }
  .chat-sidebar { border-right: 0; }
  .chat-panel { display: none; }
  .has-active-conversation .chat-sidebar { display: none; }
  .has-active-conversation .chat-panel { display: flex; }
  .communication-page .chat-back { display: inline-flex; margin-left: -8px; }
  .chat-panel-header { gap: 8px; padding: 12px; min-height: 76px; }
  .chat-panel-header .chat-avatar { width: 36px; height: 36px; font-size: .75rem; }
  .chat-contact h2 { font-size: .88rem; }
  .chat-contact p { font-size: .7rem; }
  .communication-page .chat-patient { font-size: .7rem; min-width: 0; padding: 5px; }
  .chat-message { max-width: 88%; }
  .chat-history { padding: 16px 12px; }
  .chat-composer { gap: 8px; padding: 12px; padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  .chat-composer .MuiOutlinedInput-root { font-size: 1rem; }
  .communication-dialog .MuiDialog-paper { margin: 12px; width: calc(100% - 24px); max-height: calc(100% - 24px); }
  .communication-dialog .MuiDialogContent-root { padding-left: 16px; padding-right: 16px; }
  .chat-coordination-label { max-width: 86px; overflow-wrap: anywhere; }
}
@media (max-width: 760px) and (max-height: 600px) {
  .communication-header p { display: none; }
  .chat-panel-header { min-height: 56px; padding-block: 8px; }
}