.hwpx-converter-shell {
  align-items: start;
}

.hwpx-converter-card,
.hwpx-guide-card {
  border: 1px solid var(--wl-color-border);
  border-radius: var(--wl-radius-panel);
  background: var(--wasabi-color-paper);
  box-shadow: var(--wl-shadow-1);
}

.hwpx-converter-card {
  padding: clamp(24px, 4vw, 40px);
}

.hwpx-dropzone {
  display: grid;
  min-height: 224px;
  place-items: center;
  border: 2px dashed var(--wl-color-border-strong);
  border-radius: var(--wl-radius-panel);
  background: var(--wl-color-primary-faint);
  padding: var(--wl-space-6);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--wl-motion-fast), background-color var(--wl-motion-fast), transform var(--wl-motion-fast);
}

.hwpx-dropzone[data-dragging="true"],
.hwpx-dropzone:hover {
  border-color: var(--wasabi-color-green-cta);
  background: var(--wl-color-primary-soft);
}

.hwpx-dropzone:focus-within {
  box-shadow: var(--wl-focus-ring);
}

.hwpx-dropzone-icon {
  display: grid;
  width: 56px;
  height: 64px;
  place-items: center;
  border: 2px solid var(--wl-color-primary);
  border-radius: var(--wl-radius-md);
  background: var(--wl-color-surface);
  color: var(--wl-color-primary-dark);
  font-weight: 850;
  line-height: 1;
}

.hwpx-dropzone-copy {
  display: grid;
  gap: var(--wl-space-2);
  justify-items: center;
}

.hwpx-dropzone-copy strong {
  color: var(--wl-color-ink-deep);
  font-size: 1.2rem;
}

.hwpx-dropzone-copy span,
.hwpx-dropzone-copy small {
  color: var(--wl-color-text-secondary);
}

.hwpx-dropzone input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.hwpx-file-summary {
  margin: var(--wl-space-3) 0 0;
  border-radius: var(--wl-radius-md);
  background: var(--wl-color-surface-soft);
  padding: var(--wl-space-3) var(--wl-space-4);
  color: var(--wl-color-text-secondary);
  font-size: 0.95rem;
  overflow-wrap: anywhere;
}

.hwpx-file-summary[data-state="ready"] {
  background: var(--wl-color-success-soft);
  color: var(--wl-color-success);
}

.hwpx-file-summary[data-state="error"] {
  background: var(--wl-color-error-soft);
  color: var(--wl-color-error);
}

.hwpx-format-fieldset {
  margin: var(--wl-space-6) 0 0;
  border: 0;
  padding: 0;
}

.hwpx-format-fieldset legend {
  color: var(--wl-color-ink-deep);
  font-weight: 800;
}

.hwpx-format-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--wl-space-3);
  margin-top: var(--wl-space-3);
}

.hwpx-format-option {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px var(--wl-space-3);
  align-items: center;
  min-height: 88px;
  border: 1px solid var(--wl-color-border);
  border-radius: var(--wl-radius-md);
  background: var(--wl-color-surface);
  padding: var(--wl-space-4);
  cursor: pointer;
}

.hwpx-format-option:has(input:checked) {
  border-color: var(--wl-color-primary);
  background: var(--wl-color-primary-faint);
  box-shadow: inset 0 0 0 1px var(--wl-color-primary);
}

.hwpx-format-option input {
  width: 20px;
  height: 20px;
  accent-color: var(--wl-color-primary);
}

.hwpx-format-option strong,
.hwpx-format-option small {
  grid-column: 2;
}

.hwpx-format-option strong {
  color: var(--wl-color-ink-deep);
}

.hwpx-format-option small {
  color: var(--wl-color-text-secondary);
}

.hwpx-convert-action,
.hwpx-download-again {
  width: 100%;
  min-height: 54px;
  margin-top: var(--wl-space-5);
  border: 1px solid var(--wl-color-primary);
  border-radius: var(--wl-radius-md);
  background: var(--wl-color-primary);
  color: var(--wl-color-surface);
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}

.hwpx-download-again {
  box-sizing: border-box;
  align-items: center;
  justify-content: center;
  background: var(--wl-color-success);
  border-color: var(--wl-color-success);
}

.hwpx-download-again[hidden] {
  display: none;
}

.hwpx-convert-action:disabled {
  cursor: wait;
  opacity: 0.68;
}

.hwpx-convert-action:focus-visible,
.hwpx-download-again:focus-visible,
.hwpx-format-option input:focus-visible,
.hwpx-reset-button:focus-visible {
  outline: 2px solid transparent;
  box-shadow: var(--wl-focus-ring);
}

.hwpx-reset-button {
  width: 100%;
  min-height: var(--wl-touch-target);
  margin-top: var(--wl-space-2);
  border: 0;
  background: transparent;
  color: var(--wl-color-primary-dark);
  font-weight: 700;
  cursor: pointer;
}

.hwpx-status {
  margin: var(--wl-space-4) 0 0;
  border-inline-start: 4px solid var(--wl-color-border-strong);
  border-radius: var(--wl-radius-xs);
  background: var(--wl-color-surface-soft);
  padding: var(--wl-space-3) var(--wl-space-4);
}

.hwpx-status[data-state="converting"] { border-color: var(--wl-color-accent); }
.hwpx-status[data-state="success"],
.hwpx-status[data-state="ready"] { border-color: var(--wl-color-success); }
.hwpx-status[data-state="error"] { border-color: var(--wl-color-error); }

.hwpx-guide-card {
  display: grid;
  gap: var(--wl-space-5);
  padding: var(--wl-space-6);
}

.hwpx-guide-card h2,
.hwpx-guide-card h3,
.hwpx-guide-card p {
  margin: 0;
}

.hwpx-guide-list {
  display: grid;
  gap: var(--wl-space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.hwpx-guide-list li {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: var(--wl-space-3);
}

.hwpx-guide-list span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--wl-color-primary-soft);
  color: var(--wl-color-primary-dark);
  font-weight: 800;
}

.hwpx-privacy-note {
  border-inline-start: 4px solid var(--wl-color-primary);
  border-radius: var(--wl-radius-md);
  background: var(--wl-color-primary-faint);
  padding: var(--wl-space-4);
}

.hwpx-limit-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--wl-space-4);
}

.hwpx-limit-grid .section-block {
  padding: var(--wl-space-5);
}

.hwpx-faq-list {
  display: grid;
  gap: var(--wl-space-3);
}

.hwpx-faq-list details {
  padding: 0;
}

.hwpx-faq-list summary {
  cursor: pointer;
  padding: var(--wl-space-4) var(--wl-space-5);
  color: var(--wl-color-ink-deep);
  font-weight: 750;
}

.hwpx-faq-list details p {
  margin: 0;
  padding: 0 var(--wl-space-5) var(--wl-space-5);
}

@media (max-width: 720px) {
  .hwpx-converter-card,
  .hwpx-guide-card {
    padding: var(--wl-space-5);
  }

  .hwpx-format-options,
  .hwpx-limit-grid {
    grid-template-columns: 1fr;
  }

  .hwpx-dropzone {
    min-height: 190px;
    padding: var(--wl-space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hwpx-dropzone,
  .hwpx-convert-action {
    scroll-behavior: auto;
    transition: none;
  }
}