:root {
  --dbs-forest: #3e4f3f;
  --dbs-forest-dark: #2e3c30;
  --dbs-sage: #7e9e83;
  --dbs-sage-soft: #edf2ed;
  --dbs-orange: #d75e38;
  --dbs-orange-dark: #b94727;
  --dbs-light-charcoal: #444444;
  --dbs-charcoal: #333333;
  --dbs-canvas: #f5f6f3;
  --dbs-surface: #ffffff;
  --dbs-surface-soft: #f9faf8;
  --dbs-muted: #657069;
  --dbs-border: #dce2dc;
  --dbs-border-strong: #bdc8be;
  --dbs-danger: #a73b2b;
  --dbs-radius-sm: 7px;
  --dbs-radius-md: 12px;
  --dbs-radius-lg: 18px;
  --dbs-shadow-sm: 0 2px 8px rgba(40, 57, 43, 0.06);
  --dbs-shadow-md: 0 14px 36px rgba(40, 57, 43, 0.1);
  --dbs-font: "Open Sans", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: transparent;
  color: var(--dbs-charcoal);
  font-family: var(--dbs-font);
  font-size: 16px;
  line-height: 1.55;
}

html.dbs-spine-embedded,
html.dbs-spine-embedded body { overflow: hidden; }

button, input { font: inherit; }

.dbs-spine { width: 100%; max-width: none; margin: 0; }

.dbs-spine__card {
  overflow: hidden;
  background: var(--dbs-surface);
  border: 1px solid var(--dbs-border);
  border-radius: var(--dbs-radius-md);
  box-shadow: 0 8px 28px rgba(40, 57, 43, 0.08);
}

.dbs-spine__bar { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; padding: 15px 26px; background: var(--dbs-light-charcoal); color: #fff; }
.dbs-spine__header-title { font-size: 20px; font-weight: 700; line-height: 1.2; letter-spacing: -.01em; }
.dbs-spine__layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(280px, .8fr); gap: 28px; align-items: start; padding: 26px; }
.dbs-spine__body { min-width: 0; }
.dbs-spine__intro { margin: 0 0 22px; padding: 12px 14px; border-left: 3px solid var(--dbs-sage); border-radius: 0 var(--dbs-radius-sm) var(--dbs-radius-sm) 0; background: var(--dbs-surface-soft); color: var(--dbs-muted); }
.dbs-spine__field { margin-bottom: 20px; }
.dbs-spine__field--point { margin-top: 16px; }
.dbs-spine__label { display: block; margin-bottom: 7px; color: #28342a; font-size: 15px; font-weight: 700; }

.dbs-spine__seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
#dbs-str-seg { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.dbs-spine__seg--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.dbs-spine__seg-btn,
.dbs-spine__reset {
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--dbs-border-strong);
  border-radius: 4px;
  background: var(--dbs-surface);
  color: var(--dbs-forest-dark);
  cursor: pointer;
}

.dbs-spine__seg-btn { transition: border-color .16s ease, background-color .16s ease, box-shadow .16s ease, transform .16s ease; }
.dbs-spine__seg-btn:hover, .dbs-spine__reset:hover { border-color: var(--dbs-sage); background: var(--dbs-sage-soft); }
.dbs-spine__seg-btn:active { transform: translateY(1px); }
.dbs-spine__seg-btn--active { border-color: #7e9e83; background: #7e9e83; color: #fff; box-shadow: none; font-weight: 700; }
.dbs-spine__seg-btn--active:hover { border-color: #6f8f74; background: #6f8f74; color: #fff; }
.dbs-spine__input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.dbs-spine__input-row--single { grid-template-columns: 1fr; }
.dbs-spine__input { width: 100%; min-height: 46px; padding: 10px 12px; border: 1px solid var(--dbs-border-strong); border-radius: var(--dbs-radius-sm); background: var(--dbs-surface); color: var(--dbs-charcoal); transition: border-color .16s ease, box-shadow .16s ease; }
.dbs-spine__input:hover { border-color: var(--dbs-sage); }
.dbs-spine__input:focus { border-color: var(--dbs-orange); box-shadow: 0 0 0 3px rgba(215,94,56,.12); }
.dbs-spine__help { display: block; margin-top: 5px; color: var(--dbs-muted); font-size: 13px; }
.dbs-spine__input--error { border-color: var(--dbs-danger); box-shadow: 0 0 0 2px rgba(167,59,43,.12); }
.dbs-spine__err { display: none; margin-top: 5px; color: var(--dbs-danger); font-size: 14px; }
.dbs-spine__point-total { margin: 12px 0 18px; padding: 11px 13px; border: 1px solid var(--dbs-border); border-left: 4px solid var(--dbs-orange); border-radius: var(--dbs-radius-sm); background: var(--dbs-surface-soft); color: var(--dbs-muted); font-size: 14px; }
.dbs-spine__point-total strong { color: var(--dbs-forest-dark); font-size: 16px; }

.dbs-spine__btn {
  width: 100%;
  min-height: 48px;
  margin-top: 6px;
  padding: 11px 18px;
  border: 0;
  border-radius: 4px;
  background: var(--dbs-orange);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 14px rgba(185, 71, 39, .18);
  transition: background-color .16s ease, box-shadow .16s ease, transform .16s ease;
}

.dbs-spine__btn:hover { background: var(--dbs-orange-dark); box-shadow: 0 7px 18px rgba(185, 71, 39, .24); }
.dbs-spine__btn:active { transform: translateY(1px); }
.dbs-spine button:focus-visible, .dbs-spine input:focus-visible { outline: 3px solid rgba(215,94,56,.32); outline-offset: 3px; }

.dbs-spine__result { display: block; min-width: 0; padding: 20px; border: 1px solid #d4e0d5; border-radius: var(--dbs-radius-md); background: linear-gradient(155deg, #f1f5f1 0%, #e8f0e9 100%); }
.dbs-spine__result-label { margin-bottom: 8px; color: var(--dbs-muted); font-size: 14px; font-weight: 700; }
.dbs-spine__result-rows { display: grid; grid-template-columns: 1fr; }
.dbs-spine__result-row { display: flex; align-items: center; justify-content: space-between; min-height: 90px; padding: 14px 0; border-bottom: 1px solid var(--dbs-border-strong); }
.dbs-spine__result-row:last-child { border-bottom: 0; }
.dbs-spine__result-row--single { grid-column: 1 / -1; }
.dbs-spine__result-type { color: var(--dbs-muted); font-size: 14px; font-weight: 700; }
.dbs-spine__result-value { color: var(--dbs-forest-dark); font-size: 34px; font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
.dbs-spine__result-value--wood { font-size: 24px; }
.dbs-spine__result-icon { display: none; }
.dbs-spine__reset { display: block; margin: 14px 0 0 auto; min-height: 40px; border-color: var(--dbs-sage); background: var(--dbs-sage); color: #fff; }
.dbs-spine__reset:hover { background: var(--dbs-forest); color: #fff; }
.dbs-spine__footer { padding: 18px 26px 20px; border-top: 1px solid var(--dbs-border); background: var(--dbs-surface-soft); }
.dbs-spine__disclaimer { margin: 0; color: var(--dbs-muted); font-size: 13px; text-align: center; }

@media (max-width: 800px) {
  body { padding: 0; }
  .dbs-spine__bar { align-items: flex-start; flex-direction: column; gap: 2px; padding: 13px 16px; }
  .dbs-spine__layout { grid-template-columns: 1fr; gap: 20px; padding: 16px; }
  .dbs-spine__footer { padding-right: 16px; padding-left: 16px; }
  .dbs-spine__input-row, .dbs-spine__result-rows { grid-template-columns: 1fr; }
  .dbs-spine__seg { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 7px; }
  #dbs-str-seg, .dbs-spine__seg--two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dbs-spine__seg-btn { min-height: 42px; padding: 8px 7px; font-size: 14px; }
  .dbs-spine__intro { margin-bottom: 20px; padding: 10px 12px; }
  .dbs-spine__result { padding: 18px; }
  .dbs-spine__result-row--single { grid-column: auto; }
}

@media (max-width: 380px) {
  .dbs-spine__seg-btn { font-size: 13px; }
}