.qr-main { padding-block: 30px 54px; }
.qr-heading { margin: 30px 0; }
.qr-heading h1 { font-size: 36px; letter-spacing: -1.5px; margin: 12px 0; }
.qr-heading > p:last-of-type { color: var(--muted); font-size: 15px; line-height: 1.8; }
.qr-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.qr-tags span { padding: 6px 10px; background: #edf3ef; color: #4e7666; border-radius: 5px; font-size: 11px; }
.qr-workspace { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
.qr-panel { background: white; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; min-width: 0; }
.qr-panel h2 { font-size: 21px; margin-bottom: 20px; }
.qr-kind { border: 0; padding: 0; margin: 0 0 24px; display: flex; gap: 10px; flex-wrap: wrap; }
.qr-kind legend { font-size: 13px; font-weight: 700; margin-bottom: 12px; }
.qr-kind label { display: flex; align-items: center; gap: 6px; font-size: 13px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; cursor: pointer; }
.qr-kind label:has(:checked) { border-color: #82b39f; background: #edf5f1; }
.qr-kind input { accent-color: var(--accent); }
.qr-label { display: block; font-size: 14px; font-weight: 700; margin-bottom: 10px; }
#qr-content, #qr-size { width: 100%; font: inherit; font-size: 14px; color: var(--ink); border: 1px solid #cddad6; border-radius: 8px; background: white; padding: 13px; }
#qr-content { resize: vertical; min-height: 130px; line-height: 1.8; }
#qr-content[aria-invalid="true"] { border-color: #b84b43; }
.qr-hint { font-size: 12px; color: var(--muted); line-height: 1.8; margin-top: 9px; overflow-wrap: anywhere; }
#qr-byte-count { text-align: right; margin-bottom: 24px; }
.qr-generate { display: flex; align-items: center; justify-content: space-between; gap: 8px; width: 100%; padding: 16px; margin-top: 24px; border-radius: 8px; color: white; background: var(--ink); font-weight: 700; font-size: 14px; }
.qr-generate:hover { background: #24485e; }
.qr-generate:disabled { opacity: .5; }
.qr-generate .icon { width: 18px; height: 18px; }
.qr-local-note { border-top: 1px solid var(--line); padding-top: 20px; margin-top: 24px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.qr-placeholder { min-height: 370px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 18px; text-align: center; }
.qr-placeholder .icon { width: 64px; height: 64px; color: #81aa98; }
.qr-placeholder h3 { font-size: 18px; }
.qr-placeholder p { font-size: 13px; color: var(--muted); line-height: 1.9; }
.qr-notice { background: #f3f6f4; color: #5d7167; border-radius: 8px; padding: 15px; font-size: 12px; line-height: 1.9; margin-top: 22px; }
.qr-error { color: #aa382f; font-size: 13px; line-height: 1.8; margin-top: 18px; }
.qr-image-wrap { background: #f8faf9; border: 1px solid var(--line); border-radius: 12px; padding: 16px; display: grid; place-items: center; }
#qr-image { display: block; width: 100%; max-width: 360px; height: auto; image-rendering: pixelated; }
#qr-image-info { text-align: center; }
.qr-downloads { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 20px 0; }
.qr-downloads a { padding: 14px 10px; border: 1px solid #cddad6; border-radius: 8px; font-size: 13px; text-align: center; font-weight: 700; }
.qr-downloads a.qr-download-primary { background: var(--ink); border-color: var(--ink); color: white; }
.qr-payload summary { font-size: 12px; cursor: pointer; color: var(--muted); }
#qr-encoded-content { white-space: pre-wrap; overflow-wrap: anywhere; max-height: 180px; overflow-y: auto; background: var(--canvas); padding: 13px; border-radius: 8px; margin-top: 10px; font-size: 12px; line-height: 1.8; }
.qr-explanation { margin-top: 35px; }
.qr-explanation .info-body section:first-child { margin-top: 0; }
.qr-faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.qr-faq summary { cursor: pointer; color: var(--ink); font-weight: 600; }
.qr-faq details p { padding-top: 12px; }
@media(max-width:800px) { .qr-workspace { grid-template-columns: 1fr; } .qr-placeholder { min-height: 250px; } }
@media(max-width:600px) {
  .qr-main { padding-top: 24px; }
  .qr-heading h1 { font-size: 30px; }
  .qr-heading > p:last-of-type { font-size: 13px; }
  .qr-panel { padding: 22px 18px; }
  .qr-workspace { gap: 18px; }
  .qr-kind label { padding: 12px 10px; font-size: 12px; }
  .qr-image-wrap { padding: 8px; }
  .qr-downloads { grid-template-columns: 1fr; }
}