.split-app {
  padding: 20px 0 60px;
}

.panel {
  max-width: 700px;
}

/* Method note + segment editor */
.method-note {
  font-size: 14.5px;
  font-weight: 600;
  color: var(--gray-700);
  background: var(--gray-50);
  border: 1.5px solid var(--black);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 20px;
}

.method-note.method-ai {
  background: #fff8e1;
  border-color: var(--yellow-dark);
}

.method-note.method-none {
  background: #fdecea;
  border-color: #b3261e;
}

.segment-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 12px;
}

.segment-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: var(--gray-50);
  border: 2px solid var(--black);
  border-radius: 6px;
  padding: 12px 14px;
}

.segment-row input[type="text"] {
  flex: 1;
  min-width: 140px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 700;
  padding: 8px 10px;
  border: 2px solid var(--black);
  border-radius: 4px;
}

.segment-row .page-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gray-500);
  white-space: nowrap;
}

.segment-row input[type="number"] {
  width: 64px;
  font-family: var(--font-body);
  font-size: 14.5px;
  padding: 8px 6px;
  border: 2px solid var(--black);
  border-radius: 4px;
  text-align: center;
}

.segment-remove {
  background: none;
  border: none;
  color: var(--gray-500);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  padding: 4px 8px;
}

.segment-remove:hover {
  color: #b3261e;
}

.add-segment-btn {
  display: inline-block;
  margin-bottom: 24px;
}

.editor-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  padding-top: 16px;
  border-top: 2px solid var(--black);
}

.dropzone {
  border: 2px dashed var(--black);
  border-radius: 8px;
  background: var(--gray-50);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: background 0.12s ease, border-color 0.12s ease;
}

.dropzone.drag-over {
  background: #fdf6c9;
  border-color: var(--yellow-dark);
}

.dropzone-title {
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 6px;
}

.dropzone-hint {
  color: var(--gray-500);
  font-size: 14px;
  margin: 0 0 20px;
}

.status-msg {
  margin: 16px 0 0;
  font-size: 14px;
  font-weight: 600;
}

.status-msg.error {
  color: #b3261e;
}

.status-msg.working {
  color: var(--gray-700);
}

/* Result */
.result-card {
  border: 2px solid var(--black);
  border-radius: 8px;
  background: var(--gray-50);
  padding: 32px;
}

.result-card h3 {
  font-size: 24px;
  text-transform: none;
  margin: 0 0 10px;
}

.result-card p {
  color: var(--gray-700);
  font-size: 16px;
  margin: 0 0 24px;
}

.result-card .size-before {
  text-decoration: line-through;
  color: var(--gray-500);
}

.result-card .size-after {
  font-weight: 700;
  color: #1a7f37;
}

.result-actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.btn-link {
  background: none;
  border: none;
  padding: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--black);
  text-decoration: underline;
  text-decoration-color: var(--yellow-dark);
  text-decoration-thickness: 2px;
  cursor: pointer;
}

.btn-link:hover {
  color: var(--yellow-dark);
}

/* Info panel */
.info-panel {
  max-width: 700px;
  margin-top: 56px;
  padding-top: 32px;
  border-top: 2px solid var(--black);
}

.info-panel h2 {
  font-size: 20px;
  margin: 0 0 14px;
}

.info-panel h2:not(:first-child) {
  margin-top: 32px;
}

.info-panel ul {
  margin: 0;
  padding-left: 22px;
  color: var(--gray-700);
  font-size: 15px;
}

.info-panel li {
  margin-bottom: 8px;
}

.caution {
  font-size: 14.5px;
  color: var(--gray-700);
  background: #fff8e1;
  border: 1.5px solid var(--yellow-dark);
  border-radius: 6px;
  padding: 16px 18px;
  margin: 0;
}

@media (max-width: 640px) {
  .compress-app {
    padding: 10px 0 40px;
  }

  .result-actions {
    flex-direction: column;
    align-items: flex-start;
  }
}