.sorter-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.36fr);
  gap: 1rem;
  align-items: start;
}

.sorter-workspace {
  display: grid;
  gap: 1rem;
  min-width: 0;
}

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

.sorter-side {
  display: grid;
  gap: 1rem;
}

.option-stack {
  display: grid;
  gap: 0.8rem;
}

.option-check {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: #fff;
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.35;
}

.option-check input {
  width: 18px;
  height: 18px;
  margin-top: 0.1rem;
  accent-color: var(--primary);
  flex-shrink: 0;
}


.upload-panel {
  display: grid;
  gap: 0.55rem;
  padding: 0.85rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: #fff;
}

.upload-panel label,
.format-select {
  font-weight: 700;
  color: var(--text-main);
}

.upload-panel input[type="file"] {
  width: 100%;
  padding: 0.7rem;
  border: 1px dashed var(--border-color);
  border-radius: 10px;
  background: #f9fdfe;
  color: var(--text-main);
}

.file-status {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.88rem;
  line-height: 1.4;
}

.format-select {
  min-height: 42px;
  padding: 0 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: #fff;
}
.sorter-output textarea {
  background: linear-gradient(180deg, #ffffff, #f9fdfe);
}

.status-note {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.sorter-content-section {
  margin-top: 1rem;
}

.compact-heading {
  margin-bottom: 1rem;
  padding: 1.15rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.compact-heading h2 {
  margin-bottom: 0.55rem;
  color: var(--text-main);
  font-size: 1.2rem;
}

.compact-heading p {
  max-width: 78ch;
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.sorter-info-grid,
.sorter-faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

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

.sorter-info-card {
  min-width: 0;
  padding: 1.15rem;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.sorter-info-card h2,
.sorter-info-card h3 {
  margin-bottom: 0.55rem;
  color: var(--text-main);
}

.sorter-info-card h2 {
  font-size: 1.2rem;
}

.sorter-info-card h3 {
  font-size: 1.05rem;
}

.sorter-info-card p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.65;
}

.sorter-info-card p + p {
  margin-top: 0.7rem;
}
@media (max-width: 980px) {
  .sorter-layout,
  .sorter-panels,
  .sorter-info-grid,
  .sorter-faq-grid,
  .sorter-two-column {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .sorter-layout {
    gap: 0.85rem;
  }

  .option-check {
    padding: 0.68rem;
  }

  .compact-heading,
  .sorter-info-card {
    padding: 1rem;
  }

  .action-row .format-select,
  .action-row button {
    width: 100%;
  }
}