.file-drop-zone {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 190px;
  padding: 24px;
  border: 2px dashed var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-large);
  background: var(--md-sys-color-surface);
  text-align: center;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease, background-color 0.15s ease, box-shadow 0.15s ease;
}

.file-drop-zone:hover,
.file-drop-zone:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 18%, transparent);
}

.file-drop-zone.is-dragover {
  border-color: var(--md-sys-color-primary);
  background: var(--md-sys-color-primary-container);
}

.file-drop-zone__icon {
  font-size: 48px;
  color: var(--md-sys-color-primary);
  margin-bottom: 8px;
}

.file-drop-zone__text {
  margin: 0 0 4px;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.file-drop-zone__subtext {
  margin: 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
}

.file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.file-info {
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.875rem;
}

.split-options {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: color-mix(in srgb, var(--md-sys-color-surface) 68%, var(--md-sys-color-surface-variant));
  border: 1px solid var(--md-sys-color-outline-variant);
}

.split-options__title {
  margin: 0 0 12px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
}

.radio-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 10px 0;
  color: var(--md-sys-color-on-surface);
  font-size: 0.9375rem;
  cursor: pointer;
}

.radio-option input {
  accent-color: var(--md-sys-color-primary);
}

.range-area {
  margin-top: 14px;
}

.text-input {
  width: 100%;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  color: var(--md-sys-color-on-surface);
  font: inherit;
  font-size: 0.9375rem;
  padding: 12px 14px;
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.text-input:focus {
  border-color: var(--md-sys-color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--md-sys-color-primary) 22%, transparent);
}

.btn:disabled {
  opacity: 0.6;
}

.result-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-surface);
  border: 1px solid var(--md-sys-color-outline-variant);
}

.result-item__name {
  font-weight: 600;
  color: var(--md-sys-color-on-surface);
  word-break: break-all;
}

.result-item__meta {
  display: block;
  margin-top: 2px;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.8125rem;
}

@media (max-width: 600px) {
  .result-item {
    flex-direction: column;
    align-items: stretch;
  }

  .result-item .btn {
    width: 100%;
  }}