/* ══ SIDEBAR ══ */
/* Shared sidebar layout — used by all tools */

.sidebar {
  width: 320px;
  background: white;
  border-left: 1px solid var(--grey-200);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow: hidden;
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--grey-200);
  display: flex;
  align-items: center;
  gap: 8px;
}

.sidebar-header .ti {
  font-size: 20px;
  color: var(--accent);
}

.sidebar-header h2 {
  font-size: 14px;
  font-weight: 500;
  flex: 1;
}

.sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

/* ══ DROPZONE ══ */
.sidebar-dropzone {
  border: 2px dashed var(--grey-300);
  border-radius: 16px;
  padding: 20px 16px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s;
  margin-bottom: 12px;
  background: var(--accent-ghost);
}

.sidebar-dropzone:hover,
.sidebar-dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.sidebar-dropzone .ti {
  font-size: 28px;
  color: var(--grey-500);
  margin-bottom: 6px;
}

.sidebar-dropzone:hover .ti {
  color: var(--accent);
}

.sidebar-dropzone-text {
  font-size: 12px;
  color: var(--grey-500);
  line-height: 1.4;
}

.sidebar-dropzone-text strong {
  color: var(--accent);
  display: block;
  font-size: 13px;
  margin-bottom: 2px;
}

/* ══ RESPONSIVE ══ */
@media (max-width: 900px) {
  .sidebar {
    width: 260px;
  }
}

@media (max-width: 640px) {
  .sidebar {
    position: absolute;
    right: 0;
    top: 49px;
    bottom: 0;
    z-index: 90;
    box-shadow: -4px 0 16px rgba(0, 0, 0, 0.15);
  }
}