.bk-meta {
  --meta-ink: #17243a;
  --meta-muted: #68788f;
  --meta-line: #dfe7f1;
  --meta-soft: #f5f8fc;
  --meta-blue: #1769e0;
  --meta-blue-dark: #1056bf;
  --meta-good: #0f9f6e;
  --meta-warn: #b86e09;
  --meta-bad: #d64545;
  color: var(--meta-ink);
  padding: 8px 0 56px;
}
.bk-meta, .bk-meta * { box-sizing: border-box; }
.bk-meta button, .bk-meta input { font-family: inherit; }
.bk-meta-back { display: inline-flex; align-items: center; margin: 0 0 18px; padding: 9px 14px; border: 1px solid var(--meta-line); border-radius: 999px; color: var(--meta-ink); background: #fff; font-size: 14px; font-weight: 700; line-height: 1; text-decoration: none; }
.bk-meta-back:hover { border-color: var(--meta-blue); color: var(--meta-blue); }
.bk-meta-hero { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.bk-meta-hero__eyebrow { display: inline-block; margin-bottom: 12px; color: var(--meta-blue); font-size: 11px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.bk-meta-hero h1 { margin: 0; color: var(--meta-ink); font-size: clamp(30px, 5vw, 46px); font-weight: 800; letter-spacing: -.04em; line-height: 1.12; }
.bk-meta-hero p { margin: 14px auto 0; color: var(--meta-muted); font-size: 16px; line-height: 1.65; }
.bk-meta-form, .bk-meta-summary, .bk-meta-group { border: 1px solid var(--meta-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 50px rgba(31, 54, 88, .08); }
.bk-meta-form { padding: 22px; }
.bk-meta-form label { display: block; margin-bottom: 8px; color: #34455e; font-size: 13px; font-weight: 700; }
.bk-meta-form__row { display: flex; gap: 10px; }
.bk-meta-form input { flex: 1 1 auto; min-width: 0; min-height: 52px; padding: 12px 14px; border: 1px solid var(--meta-line); border-radius: 12px; color: var(--meta-ink); background: var(--meta-soft); font-size: 15px; outline: none; }
.bk-meta-form input:focus { border-color: var(--meta-blue); background: #fff; box-shadow: 0 0 0 4px rgba(23, 105, 224, .12); }
.bk-meta-form button[type="submit"] { flex: 0 0 auto; min-width: 150px; border: 0; border-radius: 12px; color: #fff; background: var(--meta-blue); cursor: pointer; font-size: 15px; font-weight: 750; }
.bk-meta-form button[type="submit"]:hover:not(:disabled) { background: var(--meta-blue-dark); }
.bk-meta-form button[type="submit"]:disabled { cursor: wait; opacity: .7; }
.bk-meta-form__hint { margin: 10px 0 0; color: var(--meta-muted); font-size: 13px; line-height: 1.5; }
.bk-meta-example { margin-top: 10px; padding: 0; border: 0; color: var(--meta-blue); background: transparent; cursor: pointer; font-size: 13px; font-weight: 700; }
.bk-meta-error { margin: 14px 0 0; padding: 14px 16px; border-radius: 14px; color: #8d2b2b; background: #fff1f1; font-size: 14px; line-height: 1.5; }
.bk-meta-summary { display: grid; grid-template-columns: 1.4fr repeat(3, minmax(0, .7fr)); gap: 12px; margin-top: 16px; padding: 18px; }
.bk-meta-summary__lead h2 { margin: 0 0 6px; font-size: 20px; letter-spacing: -.02em; }
.bk-meta-summary__lead p, .bk-meta-summary__lead a { margin: 0; color: var(--meta-muted); font-size: 13px; line-height: 1.5; word-break: break-word; }
.bk-meta-summary__lead a { color: var(--meta-blue); }
.bk-meta-stat { padding: 12px 14px; border-radius: 14px; background: var(--meta-soft); }
.bk-meta-stat b { display: block; font-size: 26px; letter-spacing: -.03em; line-height: 1; }
.bk-meta-stat span { display: block; margin-top: 6px; color: var(--meta-muted); font-size: 12px; }
.bk-meta-stat--good b { color: var(--meta-good); }
.bk-meta-stat--warn b { color: var(--meta-warn); }
.bk-meta-stat--bad b { color: var(--meta-bad); }
.bk-meta-notice { margin: 12px 0 0; color: var(--meta-warn); font-size: 13px; line-height: 1.5; }
.bk-meta-group { margin-top: 14px; padding: 8px 8px 4px; }
.bk-meta-group__head { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; padding: 14px 14px 8px; }
.bk-meta-group__head h2 { margin: 0; font-size: 20px; letter-spacing: -.02em; }
.bk-meta-group__head p { margin: 6px 0 0; color: var(--meta-muted); font-size: 13px; line-height: 1.45; }
.bk-meta-badge { flex: 0 0 auto; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 750; }
.bk-meta-badge--good { color: var(--meta-good); background: #e8f8f1; }
.bk-meta-badge--warn { color: var(--meta-warn); background: #fff4e4; }
.bk-meta-badge--bad { color: var(--meta-bad); background: #ffecec; }
.bk-meta-field { margin: 8px; padding: 14px; border-radius: 14px; background: var(--meta-soft); }
.bk-meta-field__top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.bk-meta-field__top strong { font-size: 14px; }
.bk-meta-field__meta { color: var(--meta-muted); font-size: 12px; }
.bk-meta-value { margin-top: 8px; padding: 10px 12px; border-radius: 10px; background: #fff; color: var(--meta-ink); font-size: 14px; line-height: 1.45; overflow-wrap: anywhere; }
.bk-meta-value.is-empty { color: var(--meta-muted); }
.bk-meta-meter { height: 6px; margin-top: 8px; overflow: hidden; border-radius: 99px; background: #e4ebf3; }
.bk-meta-meter span { display: block; height: 100%; border-radius: inherit; background: var(--meta-blue); }
.bk-meta-meter--good span { background: var(--meta-good); }
.bk-meta-meter--warn span { background: var(--meta-warn); }
.bk-meta-meter--bad span { background: var(--meta-bad); }
.bk-meta-advice { margin: 8px 0 0; color: #41536c; font-size: 14px; line-height: 1.5; }
.bk-meta-preview { display: block; max-width: 240px; max-height: 126px; margin-top: 10px; border-radius: 10px; object-fit: cover; }
@media (max-width: 800px) {
  .bk-meta-form__row, .bk-meta-summary, .bk-meta-group__head, .bk-meta-field__top { display: block; }
  .bk-meta-form button[type="submit"] { width: 100%; min-height: 48px; margin-top: 10px; }
  .bk-meta-stat { margin-top: 8px; }
  .bk-meta-badge { display: inline-block; margin-top: 8px; }
}