.chat-shell {
  align-items: stretch;
}

.chat-main {
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - var(--header-height));
}

.e2ee-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--color-text-soft);
  font-size: 0.84rem;
}

.e2ee-toggle input[type='checkbox'] {
  appearance: none;
  width: 42px;
  height: 24px;
  border-radius: 999px;
  background: rgba(80, 97, 108, 0.16);
  position: relative;
  cursor: pointer;
  transition: background var(--trans);
}

.e2ee-toggle input[type='checkbox']::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 10px rgba(35, 53, 63, 0.18);
  transition: transform var(--trans);
}

.e2ee-toggle input[type='checkbox']:checked {
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dim));
}

.e2ee-toggle input[type='checkbox']:checked::after {
  transform: translateX(18px);
}

.e2ee-label {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.sidebar-section p {
  color: var(--color-text-soft);
}

.identity-row {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.identity-avatar {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 1rem;
  background: linear-gradient(180deg, rgba(216, 227, 250, 0.85), rgba(216, 227, 250, 0.35));
  color: var(--color-primary-dim);
  font-family: var(--font-headline);
  font-weight: 800;
}

.identity-name {
  font-family: var(--font-headline);
  font-size: 1rem;
  font-weight: 700;
}

.identity-mode {
  font-size: 0.82rem;
  color: var(--color-text-soft);
}

.anon-id-display {
  margin-top: 0.9rem;
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.65);
  border: 1px solid var(--color-border);
  color: var(--color-text-soft);
  word-break: break-all;
}

.quick-form,
.room-panel {
  display: grid;
  gap: 0.85rem;
}

.inline-actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.7rem;
}

.room-meta {
  padding: 0.85rem 0.95rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.64);
  border: 1px dashed var(--color-border-strong);
}

.conversation-list {
  display: grid;
  gap: 0.75rem;
}

.conversation-item {
  padding: 0.9rem 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: transform var(--trans), border-color var(--trans), box-shadow var(--trans);
}

.conversation-item:hover,
.conversation-item.active {
  transform: translateY(-1px);
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-card);
}

.conversation-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  margin-bottom: 0.35rem;
}

.conversation-title {
  font-weight: 700;
}

.conversation-preview {
  color: var(--color-text-soft);
  font-size: 0.84rem;
  line-height: 1.5;
}

.empty-panel {
  padding: 1rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.6);
  border: 1px dashed var(--color-border-strong);
  color: var(--color-text-soft);
  text-align: center;
}

.chat-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: var(--blur-card);
}

.chat-thread-label {
  margin-bottom: 0.35rem;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-text-faint);
  text-transform: uppercase;
}

.chat-thread-id {
  max-width: 520px;
  font-size: 0.88rem;
  color: var(--color-text-soft);
}

.chat-topbar-right {
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.messages-empty {
  flex: 1;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 0.4rem;
  color: var(--color-text-soft);
}

.messages-empty-icon {
  font-size: 2rem;
}

.message {
  max-width: min(78%, 720px);
  display: grid;
  gap: 0.4rem;
}

.message-user {
  align-self: flex-end;
}

.message-other,
.message-admin {
  align-self: flex-start;
}

.message-bubble {
  padding: 0.95rem 1rem;
  border-radius: 1.15rem;
  line-height: 1.65;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-line);
  white-space: pre-wrap;
  word-break: break-word;
}

.message-user .message-bubble {
  background: linear-gradient(180deg, rgba(216, 227, 250, 0.9), rgba(216, 227, 250, 0.65));
  border-color: rgba(84, 95, 114, 0.16);
}

.message-admin .message-bubble {
  background: linear-gradient(180deg, rgba(255, 245, 226, 0.9), rgba(255, 245, 226, 0.62));
}

.message-meta {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.76rem;
  color: var(--color-text-faint);
}

.message-encrypted-icon {
  color: var(--color-warning);
}

.message-decrypt-error {
  color: var(--color-danger);
}

.chat-alert {
  margin: 0 1.5rem 1rem;
}

.compose-area {
  border-top: 1px solid var(--color-border);
  padding: 1rem 1.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.35);
}

.compose-inner {
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card), var(--shadow-line);
}

.compose-input {
  width: 100%;
  resize: none;
  border: none;
  background: transparent;
  padding: 1rem 1rem 0.85rem;
  font: inherit;
  min-height: 110px;
  max-height: 180px;
  color: var(--color-text);
  outline: none;
}

.compose-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem 1rem;
  border-top: 1px solid var(--color-border);
}

.inbox-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 0.35rem;
  border-radius: 999px;
  background: var(--color-danger);
  color: #fff;
  font-size: 0.7rem;
  margin-left: 0.25rem;
}

@media (max-width: 980px) {
  .message {
    max-width: 100%;
  }
}

@media (max-width: 700px) {
  .inline-actions {
    grid-template-columns: 1fr;
  }

  .chat-topbar,
  .compose-footer {
    flex-direction: column;
    align-items: stretch;
  }
}