.splitter-page {
  padding: 2.5rem 0 4rem;
}

.splitter-intro {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem;
}

.splitter-intro .eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

.splitter-intro h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: 0.75rem;
}

.splitter-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.splitter-upload {
  max-width: 560px;
  margin: 0 auto 2rem;
}

.splitter-dropzone {
  position: relative;
  border: 2px dashed var(--card-border);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.splitter-dropzone:hover,
.splitter-dropzone:focus-visible,
.splitter-dropzone.is-dragover {
  border-color: var(--blue);
  background: var(--surface-highlight);
  outline: none;
}

.splitter-file-input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
  width: 100%;
  height: 100%;
}

.splitter-dropzone-inner {
  padding: 2.5rem 1.5rem;
  text-align: center;
  pointer-events: none;
}

.splitter-dropzone-icon {
  color: var(--blue);
  margin-bottom: 0.75rem;
}

.splitter-dropzone-title {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.splitter-dropzone-hint {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.splitter-dropzone-hint kbd {
  display: inline-block;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  border: 1px solid var(--card-border);
  background: var(--surface-inset);
  font-family: inherit;
  font-size: 0.85em;
}

.splitter-error {
  margin-top: 0.75rem;
  color: var(--status-error-text);
  background: var(--status-error-bg);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}

.splitter-status {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  text-align: center;
}

.splitter-results {
  max-width: 900px;
  margin: 0 auto;
}

.splitter-results-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.splitter-results-header h2 {
  font-size: 1.35rem;
  margin-bottom: 0.25rem;
}

.splitter-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.splitter-results-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.splitter-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.splitter-piece {
  background: var(--white);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.splitter-piece-label {
  padding: 0.65rem 0.85rem;
  font-weight: 700;
  font-size: 0.9rem;
  border-bottom: 1px solid var(--card-border);
  background: var(--surface-subtle);
}

.splitter-piece-preview {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-inset);
  padding: 0.5rem;
}

.splitter-piece-preview img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
}

.splitter-piece-actions {
  padding: 0.75rem;
}

.splitter-piece-actions .btn {
  width: 100%;
}

@media (max-width: 540px) {
  .splitter-grid {
    grid-template-columns: 1fr;
  }

  .splitter-results-header {
    flex-direction: column;
    align-items: stretch;
  }

  .splitter-results-actions {
    flex-direction: column;
  }

  .splitter-results-actions .btn {
    width: 100%;
  }
}