:root {
  --bb-orange: #ff6500;
  --bb-green: #a8e63f;
  --bb-ink: #102333;
  --bb-muted: #63717c;
  --bb-line: #dfe5e9;
  --bb-soft: #f6f8f9;
}

.bbcalc, .bbcalc * { box-sizing: border-box; }
.bbcalc {
  max-width: 1120px;
  margin: 24px auto;
  color: var(--bb-ink);
  background: #fff;
  border: 1px solid var(--bb-line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(16,35,51,.08);
  font-family: inherit;
}
.bbcalc__header { padding: 38px 42px 30px; background: linear-gradient(135deg,#fff 50%,#f2fbe5); border-bottom: 5px solid var(--bb-green); }
.bbcalc__eyebrow { margin: 0 0 6px!important; color: var(--bb-orange); font-weight: 800; text-transform: uppercase; letter-spacing: .08em; font-size: 13px; }
.bbcalc__header h1 { margin: 0 0 10px; color: var(--bb-ink); font-size: clamp(28px,4vw,44px); line-height: 1.1; }
.bbcalc__header p { margin: 0; max-width: 760px; color: var(--bb-muted); font-size: 17px; }
.bbcalc__layout { display: grid; grid-template-columns: 1.05fr .95fr; }
.bbcalc__form { padding: 34px 42px; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-right: 1px solid var(--bb-line); }
.bbcalc__field { min-width: 0; }
.bbcalc__field--wide { grid-column: 1/-1; }
.bbcalc label { display: block; margin-bottom: 7px; font-weight: 750; font-size: 14px; }
.bbcalc input, .bbcalc select, .bbcalc textarea { width: 100%; border: 1px solid #bac5cc; border-radius: 9px; background: #fff; color: var(--bb-ink); font: inherit; }
.bbcalc input, .bbcalc select { height: 48px; padding: 0 13px; }
.bbcalc input:focus, .bbcalc select:focus, .bbcalc textarea:focus { outline: 3px solid rgba(168,230,63,.3); border-color: #6da816; }
.bbcalc input[readonly] { background: #f1f4f5; }
.bbcalc small { display: block; margin-top: 5px; color: var(--bb-muted); line-height: 1.35; }
.bbcalc__input-unit { display: flex; align-items: center; border: 1px solid #bac5cc; border-radius: 9px; overflow: hidden; }
.bbcalc__input-unit:focus-within { outline: 3px solid rgba(168,230,63,.3); border-color: #6da816; }
.bbcalc__input-unit input { border: 0; border-radius: 0; outline: 0!important; }
.bbcalc__input-unit span { padding: 0 13px; color: var(--bb-muted); font-weight: 700; }
.bbcalc__share button { border: 0; border-radius: 9px; padding: 14px 20px; font-weight: 800; cursor: pointer; }
.bbcalc__results { padding: 34px; background: var(--bb-soft); }
.bbcalc__result-main { text-align: center; padding: 23px; background: var(--bb-ink); color: #fff; border-radius: 16px; }
.bbcalc__result-main span { display: block; color: var(--bb-green); font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: .08em; }
.bbcalc__result-main strong { display: block; margin: 3px 0; font-size: 48px; line-height: 1; }
.bbcalc__result-main small { color: #dce4e8; }
.bbcalc__result-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-top: 13px; }
.bbcalc__result-grid div { padding: 15px; background: #fff; border: 1px solid var(--bb-line); border-radius: 11px; }
.bbcalc__result-grid span { display: block; min-height: 36px; color: var(--bb-muted); font-size: 12px; line-height: 1.25; }
.bbcalc__result-grid strong { display: block; margin-top: 4px; font-size: 20px; }
.bbcalc__recommendations { margin-top: 13px; padding: 18px; background: #fff; border: 1px solid var(--bb-line); border-radius: 11px; }
.bbcalc__recommendations h2, .bbcalc__safety h2, .bbcalc__share h2 { margin: 0 0 10px; font-size: 20px; }
.bbcalc__recommendations p { margin: 7px 0; }
.bbcalc__status { margin-top: 12px!important; padding: 10px; color: #315900; background: #effbdc; border-left: 4px solid var(--bb-green); font-size: 13px; }
.bbcalc__status--danger { color: #8b1d14; background: #fff0ee; border-color: #dc3b2f; }
.bbcalc__safety { margin: 0 42px 30px; padding: 18px 20px; background: #fff8e9; border-left: 5px solid #f2a900; border-radius: 8px; }
.bbcalc__safety p { margin: 0; color: #5c4a22; font-size: 14px; }
.bbcalc__seo { margin: 0 42px 34px; padding: 24px; background: #f6f8f9; border-radius: 12px; }
.bbcalc__seo h2 { margin: 0 0 12px; color: var(--bb-ink); font-size: 25px; }
.bbcalc__seo p { margin: 10px 0; color: var(--bb-muted); line-height: 1.65; }
.bbcalc__seo a { color: #cf5200; font-weight: 700; text-decoration: underline; }
.bbcalc__share { padding: 28px 42px 38px; border-top: 1px solid var(--bb-line); }
.bbcalc__share > p { color: var(--bb-muted); }
.bbcalc__share-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.bbcalc__share button { color: #fff; background: var(--bb-orange); }
.bbcalc__share button:first-child { color: var(--bb-ink); background: var(--bb-green); }
.bbcalc__embed-code { margin-top: 18px; }
.bbcalc__embed-code textarea { min-height: 135px; padding: 12px; margin-bottom: 10px; font-family: monospace; font-size: 12px; }
.bbcalc__copy-message { min-height: 22px; color: #477900!important; font-weight: 700; }
.bbcalc__attribution { padding: 15px; text-align: center; color: var(--bb-muted); font-size: 13px; border-top: 1px solid var(--bb-line); }
.bbcalc__attribution a { color: var(--bb-orange); font-weight: 800; }
.bbcalc-index { max-width: 1080px; margin: 10px auto 36px; padding: 0 2px; }
.bbcalc-index h2 { margin: 0 0 8px; color: var(--bb-ink); font-size: clamp(28px,4vw,42px); }
.bbcalc-index > p { margin: 0; color: var(--bb-muted); font-size: 17px; }
.bbcalc-index__card { display: flex; flex-direction: column; gap: 5px; margin-top: 24px; padding: 24px; color: var(--bb-ink)!important; text-decoration: none!important; border: 1px solid var(--bb-line); border-left: 6px solid var(--bb-green); border-radius: 12px; }
.bbcalc-index__card strong { font-size: 22px; }
.bbcalc-index__card span { color: var(--bb-muted); }

@media (max-width: 780px) {
  .bbcalc { margin: 10px; border-radius: 14px; }
  .bbcalc__header, .bbcalc__form, .bbcalc__results, .bbcalc__share { padding: 25px 20px; }
  .bbcalc__layout { grid-template-columns: 1fr; }
  .bbcalc__form { grid-template-columns: 1fr; border-right: 0; border-bottom: 1px solid var(--bb-line); }
  .bbcalc__field--wide, .bbcalc__calculate { grid-column: auto; }
  .bbcalc__safety, .bbcalc__seo { margin: 0 20px 25px; }
}

@media (max-width: 430px) {
  .bbcalc__result-grid { grid-template-columns: 1fr; }
  .bbcalc__result-grid span { min-height: 0; }
}