.message-input-area {
  background: white;
  border-top: 1px solid var(--border);
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-shrink: 0;  /* never compress — always visible above keyboard */
  position: relative;
  z-index: 2;
  /* Centre input content with max-width on wide screens */
  align-items: stretch;
}

/* All direct children of the input area capped at 1024px and centred */
.message-input-area > * {
  max-width: 1024px;
  width: 100%;
  align-self: center;
  box-sizing: border-box;
}

.reply-bar-input {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--primary-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--primary);
}

.reply-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  overflow: hidden;
  font-size: 13px;
  color: var(--primary);
}

.reply-preview-text {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 200px;
}

.img-preview-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  background: var(--background);
  border-radius: var(--radius);
}

.img-preview {
  width: 56px;
  height: 56px;
  object-fit: cover;
  border-radius: var(--radius);
}

.link-preview-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--background);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}

.link-prev-img {
  width: 40px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  flex-shrink: 0;
}

.mention-dropdown {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  max-height: 200px;
  overflow-y: auto;
}

.mention-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  width: 100%;
  font-size: 14px;
  transition: var(--transition);
  cursor: pointer;
}
.mention-item:hover, .mention-item.active { background: var(--primary-light); }

.mention-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mention-role {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-tertiary);
  text-transform: capitalize;
}

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.input-action {
  color: var(--text-secondary);
  flex-shrink: 0;
  margin-bottom: 2px;
}
.input-action:hover { color: var(--primary); }

.input-wrap {
  flex: 1;
  min-width: 0;
}

.msg-input {
  width: 100%;
  min-height: 40px;
  max-height: calc(1.4em * 5 + 20px); /* 5 lines × line-height + padding */
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: calc(0.875rem * var(--font-scale));
  line-height: 1.4;
  font-family: var(--font);
  color: var(--text-primary);
  background: var(--surface-variant);
  transition: border-color var(--transition);
  overflow-y: hidden;
  resize: none;
}
.msg-input:focus { outline: none; border-color: var(--primary); background: var(--surface-variant); }
.msg-input::placeholder { color: var(--text-tertiary); }

.send-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-tertiary);
  transition: var(--transition);
  background: var(--background);
}
.send-btn.active {
  background: var(--primary);
  color: white;
}
.send-btn.active:hover { background: var(--primary-dark); }
.send-btn:disabled { opacity: 0.4; cursor: default; }

/* + attach button */
.attach-wrap {
  position: relative;
  flex-shrink: 0;
}

.attach-btn {
  color: var(--primary);
}
.attach-btn:hover {
  color: var(--primary-dark);
}

/* Attach menu popup */
.attach-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  z-index: 100;
  min-width: 140px;
}

.attach-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 16px;
  width: 100%;
  font-size: 14px;
  color: var(--text-primary);
  transition: var(--transition);
  white-space: nowrap;
}
.attach-item:hover {
  background: var(--primary-light);
  color: var(--primary);
}
.attach-item svg {
  flex-shrink: 0;
  color: var(--text-secondary);
}
.attach-item:hover svg {
  color: var(--primary);
}

/* Emoji picker popover — positioned above the input area */
.emoji-input-picker {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 0;
  z-index: 200;
}

/* PC only: enforce minimum width on the input row so send button never disappears */
@media (pointer: fine) and (hover: hover) {
  .input-row {
    min-width: 480px;
  }
}