/* ── Image Attachments ── */
.prompt-wrapper {
  position: relative;
}

.prompt-wrapper.drag-over textarea {
  border-color: transparent;
  box-shadow: none;
}

.drop-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(108, 140, 255, 0.08);
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  z-index: 10;
  pointer-events: none;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  gap: 8px;
}

.prompt-wrapper.drag-over .drop-overlay {
  display: flex;
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.image-previews {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.image-previews:empty { display: none; }

.img-thumb {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: 6px;
  border: 1px solid var(--border);
  overflow: hidden;
  background: var(--bg);
  flex-shrink: 0;
  animation: fadeIn 0.2s ease;
}

.img-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  cursor: pointer;
}

.img-thumb .img-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  border: none;
  padding: 0;
  line-height: 1;
}

.img-thumb:hover .img-remove {
  opacity: 1;
}

.img-thumb.uploading {
  opacity: 0.5;
}

.img-thumb.uploading::after {
  content: '';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.3);
}

.img-count-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--accent-glow);
  color: var(--accent);
  margin-left: 8px;
}

.img-count-badge:empty { display: none; }

/* ── File Attachments (non-image) ── */
.file-thumb {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  max-width: 200px;
  animation: fadeIn 0.2s ease;
  flex-shrink: 0;
}
.file-thumb .file-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  background: var(--surface-active);
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 0.6rem;
  font-weight: 700;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: -0.02em;
}
.file-thumb .file-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
  overflow: hidden;
  min-width: 0;
}
.file-thumb .file-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.file-thumb .file-size {
  font-size: 0.65rem;
  color: var(--text-muted);
}
.file-thumb .file-remove {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(0,0,0,0.7);
  color: #fff;
  font-size: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
  border: none;
  padding: 0;
  line-height: 1;
}
.file-thumb:hover .file-remove { opacity: 1; }
.file-thumb.uploading { opacity: 0.5; }

/* ── Attach Button (inside prompt-wrapper) ── */
.attach-float-btn {
  position: absolute;
  bottom: 12px;
  right: 10px;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  background: var(--surface-hover);
  border: 1px solid var(--border);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 5;
}
.attach-float-btn:hover {
  background: var(--surface-active);
  color: var(--accent);
  border-color: var(--accent);
}