* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
}

html,
body {
  margin: 0;
}

body {
  background: #fff;
  color: #111827;
  font-family: Arial, Helvetica, sans-serif;
}

.converter-card {
  background: #fff;
  padding: 12px 14px;
}

h1 {
  font-size: 22px;
  line-height: 1.2;
  margin: 0 0 6px;
}

p {
  color: #4b5563;
  font-size: 14px;
  line-height: 1.4;
  margin: 0 0 14px;
}

.converter-form {
  display: grid;
  gap: 10px;
  grid-template-columns: minmax(0, 1fr) 180px;
}

.converter-field {
  display: flex;
  flex-direction: column;
  font-size: 13px;
  font-weight: 700;
  gap: 5px;
}

.converter-file-field {
  grid-column: 1 / -1;
}

.converter-field input,
.converter-field select,
.converter-button,
.converter-download {
  border: 1px solid #6b7280;
  border-radius: 5px;
  font: inherit;
  min-height: 42px;
}

.converter-field input,
.converter-field select {
  background: #fff;
  color: #111827;
  padding: 8px;
  width: 100%;
}

.converter-button,
.converter-download {
  align-items: center;
  background: #22c55e;
  border-color: #22c55e;
  color: #052e16;
  cursor: pointer;
  display: flex;
  font-weight: 800;
  justify-content: center;
  padding: 8px 14px;
  text-align: center;
  text-decoration: none;
}

.converter-button:disabled {
  background: #6b7280;
  border-color: #6b7280;
  color: #e5e7eb;
  cursor: not-allowed;
}

.converter-progress {
  accent-color: #22c55e;
  grid-column: 1 / -1;
  height: 12px;
  width: 100%;
}

.converter-status {
  color: #4b5563;
  font-size: 13px;
  grid-column: 1 / -1;
  line-height: 1.4;
  min-height: 19px;
}

.converter-download {
  grid-column: 1 / -1;
}

.converter-download[hidden],
.converter-progress[hidden] {
  display: none;
}

@media (max-width: 520px) {
  .converter-card {
    padding: 10px 8px;
  }

  .converter-form {
    grid-template-columns: 1fr;
  }

  .converter-file-field,
  .converter-progress,
  .converter-status,
  .converter-download {
    grid-column: 1;
  }
}