/* ============================================================
   CHAT MVP — Estilos específicos del módulo
   Usa variables de design-tokens.css (--color-primary, --background, etc.)
   ============================================================ */

* { box-sizing: border-box; }
html, body {
  margin: 0;
  height: 100%;
  font-family: var(--font-family-base, 'Inter', system-ui, sans-serif);
  color: var(--text-primary);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
}

button { font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== App layout ===== */
.chat-app {
  display: grid;
  grid-template-columns: 320px 1fr 320px;
  height: calc(100vh - var(--dvtn-height, 0px));
  height: calc(100dvh - var(--dvtn-height, 0px));
  background: var(--background);
}

@media (max-width: 768px) {
  .chat-app {
    height: calc(100vh - var(--dvtn-height-mobile, 0px));
    height: calc(100dvh - var(--dvtn-height-mobile, 0px));
  }
}

/* ===== Sidebar (canales + DMs) ===== */
.chat-sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
}

.sidebar-back {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  font-size: 18px;
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
}
.sidebar-back:hover { background: rgba(255,255,255,.15); }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 1;
  min-width: 0;
}
.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: rgba(255,255,255,.18);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: #fff;
}
.sidebar-brand h2 {
  margin: 0;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  line-height: 1;
}
.brand-sub {
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,.72);
  font-weight: var(--font-weight-medium);
  letter-spacing: .04em;
  text-transform: uppercase;
}

.sidebar-search {
  position: relative;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
}
.sidebar-search i {
  position: absolute;
  left: 26px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
}
.sidebar-search input {
  width: 100%;
  padding: 9px 12px 9px 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background: var(--surface-elevated);
  color: var(--text-primary);
  transition: all var(--duration-fast);
}
.sidebar-search input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

.canales-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0 16px;
}
.canales-section { margin-top: 14px; }
.canales-section:first-child { margin-top: 4px; }
.canales-section h3 {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 16px 6px;
  letter-spacing: .06em;
  font-weight: var(--font-weight-bold);
}
.canales-section h3 i { font-size: 10px; }
.canales-list ul { list-style: none; margin: 0; padding: 0; }
.canal-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  cursor: pointer;
  transition: background var(--duration-fast);
  border-left: 3px solid transparent;
  font-size: var(--font-size-sm);
}
.canal-item:hover { background: var(--surface-elevated); }
.canal-item.selected {
  background: var(--color-primary-light);
  border-left-color: var(--color-primary);
  color: var(--color-primary-dark);
  font-weight: var(--font-weight-semibold);
}
.canal-item .canal-prefix {
  color: var(--text-muted);
  font-weight: var(--font-weight-bold);
  width: 12px;
  text-align: center;
}
.canal-item.selected .canal-prefix { color: var(--color-primary); }
.canal-item .canal-nombre {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.canal-item.unread .canal-nombre { font-weight: var(--font-weight-bold); color: var(--text-primary); }
.canal-item .canal-x {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: 4px 7px;
  border-radius: 4px;
  font-size: 12px;
  transition: all var(--duration-fast);
  margin-left: 4px;
}
.canal-item:hover .canal-x { display: inline-flex; }
.canal-item .canal-x:hover { background: var(--color-error-light); color: var(--color-error); }

.badge {
  background: var(--color-error);
  color: #fff;
  border-radius: var(--radius-full);
  padding: 2px 8px;
  font-size: 11px;
  min-width: 20px;
  text-align: center;
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
}

.sidebar-footer {
  border-top: 1px solid var(--border-subtle);
  padding: 12px 16px;
  background: var(--surface-elevated);
}
.sidebar-foot-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  padding: 8px 10px;
  border-radius: var(--radius-md);
  transition: all var(--duration-fast);
}
.sidebar-foot-link:hover {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ===== Main (mensajes) ===== */
.chat-main {
  background: var(--background);
  display: flex;
  flex-direction: column;
  min-width: 0;
  position: relative;
}

.chat-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-sm);
  z-index: 2;
}
.chat-header-title { flex: 1; min-width: 0; }
.chat-header h1 {
  font-size: var(--font-size-lg);
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  font-weight: var(--font-weight-bold);
  margin: 0;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.canal-meta {
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  margin-top: 2px;
}
.header-avatars {
  display: flex;
  align-items: center;
  margin-left: auto;
  margin-right: 8px;
}
.header-avatar {
  width: 30px; height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: var(--font-weight-bold);
  font-size: 11px;
  border: 2px solid var(--surface);
  margin-left: -8px;
  cursor: default;
  position: relative;
}
.header-avatar:first-child { margin-left: 0; }
.header-avatar.is-online::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 9px; height: 9px;
  background: var(--color-success);
  border: 2px solid var(--surface);
  border-radius: 50%;
}
.header-extra {
  background: var(--surface-elevated);
  color: var(--text-secondary);
}
.header-actions { display: flex; gap: 4px; margin-left: 0; }

/* Online dot reutilizable para avatares de miembros */
.avatar-wrap {
  position: relative;
  display: inline-flex;
  flex-shrink: 0;
}
.avatar-wrap.is-online::after {
  content: '';
  position: absolute;
  bottom: 0; right: 0;
  width: 9px; height: 9px;
  background: var(--color-success);
  border: 2px solid var(--surface);
  border-radius: 50%;
}
.miembro-row.is-me { background: var(--color-primary-light); border-radius: var(--radius-md); padding: 7px 8px !important; }
.miembro-row:not(.is-me):hover {
  background: var(--surface-elevated);
  border-radius: var(--radius-md);
  padding: 7px 8px !important;
}

.messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 18px 28px 8px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.empty-state {
  text-align: center;
  color: var(--text-secondary);
  margin: auto;
  max-width: 320px;
}
.empty-state .empty-icon {
  font-size: 56px;
  color: var(--color-primary);
  opacity: .35;
  margin-bottom: 12px;
}
.empty-state h3 {
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  font-size: var(--font-size-xl);
  margin: 8px 0 6px;
  color: var(--text-primary);
}
.empty-state p { font-size: var(--font-size-sm); margin: 0; line-height: 1.5; }

/* date separator (sticky al hacer scroll) */
.date-sep {
  text-align: center;
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  margin: 16px auto 10px;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: var(--font-weight-bold);
  position: sticky;
  top: 0;
  z-index: 3;
  background: var(--surface-elevated);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  width: fit-content;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
/* (separadores laterales eliminados — ahora la pill flotante es suficiente visual) */

/* mensajes */
.msg {
  padding: 6px 12px 6px 8px;
  border-radius: var(--radius-md);
  position: relative;
  transition: background var(--duration-fast);
  display: flex;
  gap: 10px;
  align-items: flex-start;
}
.msg:hover { background: rgba(15, 23, 42, .03); }
.msg.msg-with-header { padding-top: 10px; padding-bottom: 6px; margin-top: 4px; }
.msg.msg-grouped { padding-top: 0; padding-bottom: 1px; }
.msg-avatar {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: var(--font-weight-bold);
  font-size: 13px;
  letter-spacing: .03em;
  user-select: none;
}
.msg-avatar-spacer { flex-shrink: 0; width: 36px; height: 1px; }
.msg-content { flex: 1; min-width: 0; }
.msg .msg-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}
.msg .msg-author {
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}
.msg .msg-time { color: var(--text-muted); font-size: 11px; }
.msg .msg-edited { color: var(--text-muted); font-size: 11px; font-style: italic; }
.msg .msg-body {
  white-space: pre-wrap;
  word-wrap: break-word;
  font-size: var(--font-size-sm);
  line-height: 1.5;
  color: var(--text-primary);
}
.msg .msg-body .mention {
  background: var(--color-warning-light);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-warning-hover);
  font-weight: var(--font-weight-semibold);
}
.msg.deleted .msg-body { color: var(--text-muted); font-style: italic; }
.msg.optimistic { opacity: .55; }
.msg.failed {
  background: var(--color-error-light);
  border-left: 3px solid var(--color-error);
  padding-left: 10px;
}

.msg .msg-actions {
  position: absolute;
  top: -14px;
  right: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  display: none;
  gap: 2px;
  padding: 3px;
  z-index: 4;
}
.msg:hover .msg-actions { display: flex; }
.msg .msg-actions button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text-secondary);
  transition: background var(--duration-fast);
}
.msg .msg-actions button:hover { background: var(--surface-elevated); color: var(--color-primary); }

.msg .reactions { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 6px; }
.msg .reaction {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  padding: 2px 9px;
  font-size: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all var(--duration-fast);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}
.msg .reaction:hover { background: var(--surface-elevated); }
.msg .reaction.me {
  background: var(--color-primary-light);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.msg .adjuntos { margin-top: 8px; display: flex; gap: 8px; flex-wrap: wrap; }
.msg .adjunto-img {
  max-width: 240px;
  max-height: 240px;
  border-radius: var(--radius-md);
  cursor: pointer;
  border: 1px solid var(--border);
  transition: transform var(--duration-fast);
}
.msg .adjunto-img:hover { transform: scale(1.02); }
.msg .adjunto-file {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  display: inline-flex;
  gap: 8px;
  align-items: center;
  text-decoration: none;
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--duration-fast);
}
.msg .adjunto-file:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.msg .pin-badge {
  background: var(--color-warning-light);
  color: var(--color-warning-hover);
  border-radius: var(--radius-sm);
  padding: 2px 8px;
  font-size: 10px;
  vertical-align: middle;
  font-weight: var(--font-weight-semibold);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Miembros con avatar */
.miembros-list { max-height: 320px; overflow-y: auto; }
.miembro-row {
  display: flex !important;
  align-items: center;
  gap: 10px;
  padding: 7px 0 !important;
}
.miembro-row .avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: var(--font-weight-bold);
  font-size: 11px;
  flex-shrink: 0;
}
.miembro-row .miembro-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: var(--font-size-sm);
}
.role-pill {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.role-pill.admin {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}
.pinned-row { font-size: var(--font-size-sm); padding: 8px 0 !important; line-height: 1.45; }
.empty-row {
  color: var(--text-muted) !important;
  font-style: italic;
  font-size: var(--font-size-xs) !important;
  padding: 12px 0 !important;
  text-align: center;
  border: 0 !important;
}

/* ===== Composer ===== */
.composer-attach-preview {
  background: var(--surface);
  padding: 0 20px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
}
.composer-attach-preview:not(:empty) { padding: 10px 20px; }
.composer-attach-preview .preview-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-elevated);
  padding: 6px 10px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-xs);
  color: var(--text-secondary);
  font-weight: var(--font-weight-medium);
}
.composer-attach-preview .preview-item .rm {
  cursor: pointer;
  color: var(--color-error);
  font-weight: var(--font-weight-bold);
  font-size: 14px;
}

.composer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 10px 16px 14px;
  display: flex;
  align-items: end;
  gap: 8px;
}
.composer textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 10px 14px;
  font-size: var(--font-size-sm);
  max-height: 200px;
  background: var(--surface-elevated);
  color: var(--text-primary);
  transition: all var(--duration-fast);
  line-height: 1.45;
}
.composer textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* ===== Botones genéricos del módulo ===== */
.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 15px;
  transition: all var(--duration-fast);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.icon-btn:hover { background: var(--surface-elevated); color: var(--color-primary); }
.icon-btn.ghost { color: var(--text-muted); }
.icon-btn.primary {
  background: var(--color-primary);
  color: #fff;
  font-weight: var(--font-weight-semibold);
}
.icon-btn.primary:hover { background: var(--color-primary-hover); }
.icon-btn.send-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
}

.connection-banner {
  position: absolute;
  top: 70px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-warning-light);
  color: var(--color-warning-hover);
  padding: 8px 18px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: var(--shadow-md);
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== Details panel (derecha) ===== */
.chat-details {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-y: auto;
}
.details-header {
  display: flex;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-elevated);
}
.details-header h3 {
  flex: 1;
  margin: 0;
  font-size: var(--font-size-md);
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  font-weight: var(--font-weight-bold);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.details-header h3 i { color: var(--color-primary); }

.details-section { padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); }
.details-section h4 {
  margin: 0 0 10px;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: var(--font-weight-bold);
  display: flex;
  align-items: center;
  gap: 6px;
}
.details-section h4 i { color: var(--color-primary); }
.details-section ul { list-style: none; margin: 0; padding: 0; }
.details-section li {
  padding: 6px 0;
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
}
.details-section li:last-child { border-bottom: none; }

.miembros-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.details-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background: var(--surface-elevated);
  margin-bottom: 8px;
}
.search-results { max-height: 200px; overflow-y: auto; }
.search-results li { font-size: var(--font-size-xs); padding: 8px 0; }

.action-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  cursor: pointer;
  margin-bottom: 8px;
  text-align: left;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-primary);
  transition: all var(--duration-fast);
}
.action-btn:hover {
  background: var(--surface-elevated);
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.action-btn.danger { color: var(--color-error); }
.action-btn.danger:hover { background: var(--color-error-light); border-color: var(--color-error); }
.action-btn i { width: 16px; text-align: center; }

/* ===== Mention popover ===== */
.mention-popover {
  position: absolute;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 220px;
  overflow-y: auto;
  min-width: 220px;
  z-index: 10;
}
.mention-popover .item {
  padding: 8px 14px;
  cursor: pointer;
  font-size: var(--font-size-sm);
  transition: background var(--duration-fast);
}
.mention-popover .item:hover, .mention-popover .item.active {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
}

/* ===== Modal ===== */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, .55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-modal, 2000);
  backdrop-filter: blur(3px);
}
.modal[hidden] { display: none !important; }
.chat-details[hidden] { display: none !important; }
.composer[hidden] { display: none !important; }
.connection-banner[hidden] { display: none !important; }
.empty-state[hidden] { display: none !important; }
.modal-content {
  background: var(--surface);
  padding: 24px;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

/* ===== Modal Nueva Conversación ===== */
.modal-nuevo {
  max-width: 560px;
  width: 92%;
  max-height: 88vh;
  padding: 0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.modal-head {
  display: flex;
  align-items: center;
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}
.modal-head h3 {
  margin: 0;
  flex: 1;
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.modal-head h3 i { color: var(--color-primary); }
.modal-foot {
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  background: var(--surface-elevated);
}
.btn-primary, .btn-secondary {
  padding: 9px 18px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  cursor: pointer;
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all var(--duration-fast);
  font-family: inherit;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:disabled { opacity: .6; cursor: not-allowed; }
.btn-secondary {
  background: var(--surface);
  color: var(--text-secondary);
  border-color: var(--border);
}
.btn-secondary:hover { background: var(--surface-elevated); }

.tipo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  padding: 18px 22px 6px;
}
.tipo-card {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 16px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: all var(--duration-fast);
  font-family: inherit;
}
.tipo-card i {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 4px;
  transition: color var(--duration-fast);
}
.tipo-card span {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}
.tipo-card small {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
}
.tipo-card:hover {
  border-color: var(--color-primary-light);
  background: var(--surface-elevated);
}
.tipo-card.active {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}
.tipo-card.active i,
.tipo-card.active span {
  color: var(--color-primary-dark);
}

.form-group {
  padding: 12px 22px;
}
.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin: 0 0 8px;
}
.muted-help { color: var(--text-muted); font-weight: var(--font-weight-normal); font-size: var(--font-size-xs); }

.form-group input[type="text"],
.form-group input[type="search"] {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  background: var(--surface-elevated);
  font-family: inherit;
  transition: all var(--duration-fast);
}
.form-group input:focus {
  outline: none;
  border-color: var(--color-primary);
  background: var(--surface);
  box-shadow: 0 0 0 3px var(--color-primary-light);
}
.search-wrap { position: relative; }
.search-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}
.search-wrap input { padding-left: 38px !important; }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border-radius: var(--radius-full);
  padding: 4px 10px 4px 4px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}
.chip-avatar {
  width: 22px; height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 10px;
  font-weight: var(--font-weight-bold);
}
.chip-x {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-primary-dark);
  padding: 2px 4px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  font-size: 11px;
}
.chip-x:hover { background: rgba(202, 60, 66, .15); }

.users-list {
  margin-top: 12px;
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
}
.user-row {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
  font-family: inherit;
  transition: background var(--duration-fast);
}
.user-row:last-child { border-bottom: none; }
.user-row:hover { background: var(--surface-elevated); }
.user-row.selected { background: var(--color-primary-light); }
.user-row .avatar {
  width: 34px; height: 34px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: var(--font-weight-bold);
  font-size: 12px;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.user-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-email {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.user-check {
  font-size: 18px;
  color: var(--color-primary);
}
.user-row:not(.selected) .user-check { color: var(--text-muted); opacity: .4; }

.user-list-loading,
.user-list-empty {
  padding: 28px;
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}
.user-list-empty i { font-size: 22px; display: block; margin-bottom: 8px; opacity: .6; }
.modal-content h3, .modal-content h4 {
  font-family: var(--font-family-display, 'Outfit', sans-serif);
  margin: 0 0 12px;
  color: var(--text-primary);
}
.modal-content label {
  display: block;
  margin: 12px 0;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
}
.modal-content input[type="text"],
.modal-content input[type="search"],
.modal-content select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  margin-top: 4px;
  background: var(--surface);
}
.modal-content button:not(.btn-primary):not(.btn-secondary):not(.tipo-card):not(.user-row):not(.chip-x):not(.icon-btn) {
  padding: 9px 16px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all var(--duration-fast);
}
.modal-content button:not(.btn-primary):not(.btn-secondary):not(.tipo-card):not(.user-row):not(.chip-x):not(.icon-btn):hover {
  background: var(--surface-elevated);
}

/* ===== Tablet — solo 2 columnas (oculta details por defecto) ===== */
.mobile-only { display: none; }
@media (max-width: 1280px) {
  .chat-app { grid-template-columns: 280px 1fr; }
  .chat-details { display: none; }
  .chat-details:not([hidden]).is-open { display: flex; position: fixed; right: 0; top: 0; bottom: 0; width: 320px; z-index: 50; box-shadow: var(--shadow-xl); }
  .chat-details:not([hidden]) { display: none; }
}

/* ===== Mobile — single column ===== */
@media (max-width: 1024px) {
  .chat-app { grid-template-columns: 1fr; }
  .chat-sidebar, .chat-main { display: none; }
  .chat-details { display: none !important; }
  .chat-app[data-view="sidebar"] .chat-sidebar { display: flex; }
  .chat-app[data-view="main"] .chat-main { display: flex; }
  .chat-app[data-view="details"] .chat-details { display: flex !important; }
  .mobile-only { display: inline-flex; }
  .messages-area { padding: 14px 18px 8px; }
}
@media (max-width: 600px) {
  .chat-header { padding: 12px 14px; gap: 10px; }
  .chat-header h1 { font-size: var(--font-size-md); }
  .composer { padding: 8px 12px 12px; }
  .msg-avatar, .msg-avatar-spacer { width: 30px; height: 30px; }
}

/* ===== Scrollbars sutiles ===== */
.canales-list::-webkit-scrollbar,
.messages-area::-webkit-scrollbar,
.chat-details::-webkit-scrollbar { width: 8px; }
.canales-list::-webkit-scrollbar-thumb,
.messages-area::-webkit-scrollbar-thumb,
.chat-details::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 4px;
}
.canales-list::-webkit-scrollbar-thumb:hover,
.messages-area::-webkit-scrollbar-thumb:hover,
.chat-details::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}