/* ═══════════════════════════════════════════════════════════
   Input Area — Textarea, Queue, Image Upload
   ═══════════════════════════════════════════════════════════ */

/* ── Message Input ── */
#message-input {
  flex: 1;
  background: color-mix(in srgb, var(--color-surface-raised) 82%, transparent);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  padding: 12px 14px;
  border-radius: 18px;
  font-family: inherit;
  font-size: var(--font-size-base);
  resize: none;
  outline: none;
  min-height: 44px;
  max-height: 200px;
  line-height: 1.45;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}

#message-input:focus {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-surface-raised) 94%, transparent);
}

/* ── Queue Area ── */
#queue-area {
  display: none;
  background: color-mix(in srgb, var(--color-surface-solid) 76%, transparent);
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-xl);
  backdrop-filter: var(--blur-panel);
}

#queue-area.visible {
  display: block;
}

.queue-header {
  font-size: var(--font-size-xs);
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
}

.queue-clear {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.queue-clear:hover {
  text-decoration: underline;
}

.queue-item {
  background: color-mix(in srgb, var(--color-surface-raised) 74%, transparent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.queue-item:first-child {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.queue-item:first-child::before {
  content: '▶ ';
  color: var(--color-accent);
}

.queue-item .queue-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.queue-item .queue-remove {
  background: none;
  border: none;
  color: var(--color-text-dim);
  cursor: pointer;
  font-size: var(--font-size-base);
  padding: 0 var(--space-xs);
  margin-left: var(--space-sm);
}

.queue-item .queue-remove:hover {
  color: var(--color-error);
}

/* ── File Preview Area ── */
#image-preview-area {
  display: none;
  background: color-mix(in srgb, var(--color-surface-solid) 76%, transparent);
  border-top: 1px solid var(--color-border);
  padding: var(--space-sm) var(--space-xl);
  backdrop-filter: var(--blur-panel);
}

.image-preview-row {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

#preview-img {
  max-height: 60px;
  max-width: 100px;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.preview-meta {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
}

.image-tags {
  display: flex;
  gap: var(--space-md);
  align-items: center;
  flex-wrap: wrap;
}

.image-tags label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

/* ── Upload Button ── */
#upload-btn {
  background: color-mix(in srgb, var(--color-surface-raised) 70%, transparent);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--font-size-lg);
  padding: var(--space-sm);
  border-radius: var(--radius-xl);
  min-width: 44px;
  min-height: 44px;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

#upload-btn:hover {
  color: var(--color-accent);
  border-color: color-mix(in srgb, var(--color-accent) 38%, transparent);
  background: var(--color-accent-bg);
}

#send-btn.queue-mode {
  color: var(--color-warning);
  border-color: color-mix(in srgb, var(--color-warning) 48%, transparent);
  background: linear-gradient(135deg, var(--color-warning-bg), color-mix(in srgb, var(--color-warning) 14%, transparent));
}

@media (max-width: 480px) {
  #input-area {
    grid-template-columns: minmax(44px, 54px) minmax(0, 1fr);
  }

  #upload-btn,
  #send-btn {
    min-height: 46px;
  }

  #send-btn {
    min-width: 0;
    padding-inline: 12px;
  }
}

@media (max-width: 768px) {
  input[type="text"],
  input[type="email"],
  textarea,
  select {
    font-size: 16px;
  }

  #input-area {
    width: 100%;
    max-width: 100vw;
    overflow: hidden;
  }

  #message-input {
    font-size: 16px;
    min-height: 48px;
    max-width: 100%;
  }

  #queue-area {
    padding: 8px 10px;
    max-height: min(28dvh, 180px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .queue-header {
    position: sticky;
    top: 0;
    z-index: 1;
    margin: -2px 0 6px;
    padding: 2px 0 6px;
    background: color-mix(in srgb, var(--color-surface-solid) 92%, transparent);
  }

  .queue-item {
    align-items: flex-start;
    gap: 7px;
    padding: 8px 10px;
    font-size: 13px;
  }

  .queue-item .queue-text {
    white-space: normal;
    overflow: visible;
    overflow-wrap: anywhere;
    line-height: 1.35;
  }
}