.bk-fav {
  --fav-ink: #17243a;
  --fav-muted: #68788f;
  --fav-line: #dfe7f1;
  --fav-soft: #f5f8fc;
  --fav-blue: #1769e0;
  --fav-blue-dark: #1056bf;
  color: var(--fav-ink);
  padding: 8px 0 56px;
}
.bk-fav, .bk-fav * { box-sizing: border-box; }
.bk-fav button, .bk-fav input { font-family: inherit; }
.bk-fav-sr, .bk-fav-file { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); border: 0; }
.bk-fav-back { display: inline-flex; align-items: center; margin: 0 0 18px; padding: 9px 14px; border: 1px solid var(--fav-line); border-radius: 999px; color: var(--fav-ink); background: #fff; font-size: 14px; font-weight: 700; line-height: 1; text-decoration: none; }
.bk-fav-back:hover { border-color: var(--fav-blue); color: var(--fav-blue); }
.bk-fav-hero { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.bk-fav-hero__eyebrow { display: inline-block; margin-bottom: 12px; color: var(--fav-blue); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.bk-fav-hero h1 { margin: 0; color: var(--fav-ink); font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: -.04em; line-height: 1.12; }
.bk-fav-hero p { margin: 14px auto 0; color: var(--fav-muted); font-size: 16px; line-height: 1.65; }
.bk-fav-form, .bk-fav-result { border: 1px solid var(--fav-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 50px rgba(31, 54, 88, .08); }
.bk-fav-form { padding: 22px; }
.bk-fav-drop { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px; border: 1px dashed var(--fav-line); border-radius: 16px; background: var(--fav-soft); }
.bk-fav-drop.is-drag { border-color: var(--fav-blue); background: #fff; }
.bk-fav-drop strong { display: block; font-size: 15px; }
.bk-fav-drop p { margin: 6px 0 0; color: var(--fav-muted); font-size: 13px; line-height: 1.45; }
.bk-fav-pick, .bk-fav-submit, .bk-fav-copy, .bk-fav-download { border: 0; border-radius: 12px; color: #fff; background: var(--fav-blue); cursor: pointer; font-weight: 750; }
.bk-fav-pick { flex: 0 0 auto; min-height: 46px; padding: 0 18px; font-size: 15px; }
.bk-fav-pick:hover, .bk-fav-submit:hover:not(:disabled), .bk-fav-copy:hover, .bk-fav-download:hover { background: var(--fav-blue-dark); }
.bk-fav-modes { margin: 16px 0 0; padding: 0; border: 0; }
.bk-fav-modes label { display: flex; align-items: flex-start; gap: 10px; margin-top: 10px; color: #34455e; font-size: 15px; line-height: 1.45; cursor: pointer; }
.bk-fav-modes input { margin-top: 3px; accent-color: var(--fav-blue); }
.bk-fav-extra { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 12px; margin-top: 16px; }
.bk-fav-extra label { display: block; color: #34455e; font-size: 13px; font-weight: 700; }
.bk-fav-extra input[type="text"] { display: block; width: 100%; min-height: 46px; margin-top: 8px; padding: 10px 12px; border: 1px solid var(--fav-line); border-radius: 12px; color: var(--fav-ink); background: var(--fav-soft); font-size: 15px; font-weight: 500; outline: none; }
.bk-fav-extra input[type="text"]:focus { border-color: var(--fav-blue); background: #fff; box-shadow: 0 0 0 4px rgba(23, 105, 224, .12); }
.bk-fav-color { display: flex; align-items: center; gap: 8px; margin-top: 8px; }
.bk-fav-color input[type="color"] { width: 46px; height: 46px; padding: 4px; border: 1px solid var(--fav-line); border-radius: 12px; background: #fff; cursor: pointer; }
.bk-fav-color input[type="text"] { margin-top: 0; }
.bk-fav-submit { min-height: 52px; margin-top: 18px; padding: 0 22px; font-size: 16px; }
.bk-fav-submit:disabled, .bk-fav-pick:disabled { cursor: wait; opacity: .7; }
.bk-fav-error { margin: 14px 0 0; padding: 14px 16px; border-radius: 14px; color: #8d2b2b; background: #fff1f1; font-size: 14px; line-height: 1.5; }
.bk-fav-result { margin-top: 16px; padding: 18px; }
.bk-fav-result h2 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.bk-fav-note { margin: 8px 0 0; color: var(--fav-muted); font-size: 13px; line-height: 1.5; }
.bk-fav-previews { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.bk-fav-preview { display: flex; flex-direction: column; align-items: center; gap: 8px; min-width: 92px; padding: 12px; border-radius: 14px; background: var(--fav-soft); }
.bk-fav-preview span { color: var(--fav-muted); font-size: 12px; }
.bk-fav-preview__stage { display: flex; gap: 6px; }
.bk-fav-preview__stage i { display: grid; place-items: center; width: 56px; height: 56px; border-radius: 10px; background: #fff; }
.bk-fav-preview__stage i:last-child { background: #17243a; }
.bk-fav-preview img { width: 32px; height: 32px; }
.bk-fav-preview--lg img { width: 40px; height: 40px; }
.bk-fav-files { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0 0; padding: 0; list-style: none; }
.bk-fav-files li { padding: 6px 10px; border-radius: 999px; background: var(--fav-soft); color: #34455e; font-size: 12px; }
.bk-fav-code { position: relative; margin-top: 14px; }
.bk-fav-code pre { margin: 0; padding: 16px 16px 56px; overflow: auto; border-radius: 16px; background: var(--fav-soft); color: var(--fav-ink); font-size: 13px; line-height: 1.55; }
.bk-fav-copy { position: absolute; right: 12px; bottom: 12px; min-height: 36px; padding: 0 12px; font-size: 13px; }
.bk-fav-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; }
.bk-fav-download { min-height: 48px; padding: 0 18px; font-size: 15px; }
@media (max-width: 800px) {
  .bk-fav-drop, .bk-fav-extra, .bk-fav-actions { display: block; }
  .bk-fav-pick, .bk-fav-submit, .bk-fav-download { width: 100%; }
  .bk-fav-pick, .bk-fav-extra label + label, .bk-fav-download { margin-top: 10px; }
}