* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0f1220;
  color: #e8ecff;
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.container {
  width: min(90vw, 720px);
  padding: 32px;
  border-radius: 20px;
  background: #171b2f;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.3rem, 5vw, 2rem);
  white-space: nowrap;
}

.subtitle {
  margin: 0 0 24px;
  color: #a9b3d7;
}

.drop-zone {
  display: block;
  border: 2px dashed #5f7cff;
  border-radius: 16px;
  padding: 48px 20px;
  text-align: center;
  cursor: pointer;
  background: rgba(95, 124, 255, 0.08);
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.drop-zone:hover,
.drop-zone.dragover {
  transform: translateY(-1px);
  background: rgba(95, 124, 255, 0.18);
}

.drop-main {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 700;
}

.drop-sub {
  margin: 0;
  color: #a9b3d7;
}

.note {
  margin: 12px 0 0;
  font-size: 0.85rem;
  color: #a9b3d7;
  white-space: nowrap;
}

.option-row {
  margin-top: 14px;
}

.toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #d9dffd;
  font-weight: 600;
}

.toggle input {
  width: 18px;
  height: 18px;
  accent-color: #7ce9a1;
}

.mode-label {
  display: inline-block;
  margin-right: 10px;
  font-weight: 600;
  color: #d9dffd;
}

.mode-select {
  background: #0f1220;
  color: #e8ecff;
  border: 1px solid #5f7cff;
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 0.95rem;
}

.status-panel {
  margin-top: 22px;
}

.status {
  margin: 0;
  font-size: 0.98rem;
}

.status.idle {
  color: #a9b3d7;
}

.status.loading {
  color: #f8d66f;
}

.status.success {
  color: #7ce9a1;
}

.status.error {
  color: #ff8f8f;
}

.download-link {
  display: inline-block;
  margin-top: 12px;
  color: #0f1220;
  background: #7ce9a1;
  text-decoration: none;
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 700;
}

.hidden {
  display: none;
}