.wb-tool {
  --wb-tool-ink: #17342f;
  --wb-tool-muted: #5c716d;
  --wb-tool-accent: #087f70;
  --wb-tool-accent-dark: #05685d;
  --wb-tool-border: #d6e7e1;
  --wb-tool-surface: #f3faf7;
  --wb-tool-white: #fff;
  box-sizing: border-box;
  width: 100%;
  max-width: 720px;
  margin: clamp(24px, 4vw, 40px) auto;
  overflow: hidden;
  color: var(--wb-tool-ink);
  background: var(--wb-tool-white);
  border: 1px solid var(--wb-tool-border);
  border-radius: 22px;
  box-shadow: 0 18px 48px rgba(31, 72, 64, .1);
  font-family: inherit;
  text-align: left;
}

.wb-tool *, .wb-tool *::before, .wb-tool *::after { box-sizing: border-box; }
.wb-tool__header { padding: clamp(24px, 5vw, 38px); background: radial-gradient(circle at 92% 8%, rgba(91, 189, 165, .2), transparent 34%), linear-gradient(145deg, #eef9f5 0%, #f8fcfa 100%); border-bottom: 1px solid var(--wb-tool-border); }
.wb-tool__eyebrow { display: inline-flex; align-items: center; min-height: 28px; margin-bottom: 12px; padding: 4px 11px; color: var(--wb-tool-accent-dark); background: #ddf2eb; border-radius: 999px; font-size: 12px; font-weight: 800; letter-spacing: .06em; line-height: 1.2; text-transform: uppercase; }
.wb-tool__title { margin: 0; color: var(--wb-tool-ink); font-size: clamp(25px, 5vw, 34px); font-weight: 800; letter-spacing: -.025em; line-height: 1.08; }
.wb-tool__intro { max-width: 600px; margin: 14px 0 0; color: var(--wb-tool-muted); font-size: 16px; line-height: 1.55; }
.wb-tool__form, .wb-tool__result { padding: clamp(24px, 5vw, 38px); }

.wb-pace-group { margin: 0 0 18px; padding: 18px; background: var(--wb-tool-surface); border: 1px solid var(--wb-tool-border); border-radius: 16px; transition: border-color 160ms ease, background-color 160ms ease; }
.wb-pace-group.is-calculated { background: #e8f7f2; border-color: #83c8b6; }
.wb-pace-group__heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; color: var(--wb-tool-ink); font-size: 15px; font-weight: 800; line-height: 1.35; }
.wb-pace-group__heading > label { margin: 0; color: inherit; font: inherit; }
.wb-pace-group__heading [data-calculated-label] { padding: 3px 8px; color: var(--wb-tool-accent-dark); background: #d3eee6; border-radius: 999px; font-size: 11px; font-weight: 800; letter-spacing: .03em; text-transform: uppercase; }

.wb-tool__input-wrap { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: stretch; height: 54px; min-height: 54px; overflow: hidden; background: #fff; border: 1px solid #b8cec7; border-radius: 12px; transition: border-color 160ms ease, box-shadow 160ms ease; }
.wb-tool__input-wrap:focus-within, .wb-pace-time-grid input:focus { border-color: var(--wb-tool-accent) !important; box-shadow: 0 0 0 3px rgba(8, 127, 112, .14) !important; }

section.wb-tool.wb-tool--pace .wb-tool__input-wrap > input,
section.wb-tool.wb-tool--pace .wb-pace-time-grid input {
  display: block !important;
  width: 100% !important;
  min-width: 0 !important;
  min-height: 0 !important;
  height: 52px !important;
  margin: 0 !important;
  padding: 0 14px !important;
  color: var(--wb-tool-ink) !important;
  background: #fff !important;
  border: 1px solid #b8cec7 !important;
  border-radius: 12px !important;
  box-shadow: none !important;
  font: inherit !important;
  font-size: 18px !important;
  font-weight: 750 !important;
  line-height: normal !important;
  outline: 0 !important;
  appearance: none;
}

section.wb-tool.wb-tool--pace .wb-tool__input-wrap > input { height: 52px !important; background: transparent !important; border: 0 !important; border-radius: 0 !important; }
.wb-tool__unit { display: flex; align-items: center; padding: 0 16px 0 8px; color: var(--wb-tool-muted); font-size: 14px; font-weight: 700; }
.wb-pace-time-grid { display: grid; align-items: end; gap: 8px; }
.wb-pace-time-grid--three { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(0, 1fr); }
.wb-pace-time-grid--two { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto; }
.wb-pace-time-grid .wb-tool__field label { display: block; margin: 0 0 6px; color: var(--wb-tool-muted); font-size: 12px; font-weight: 750; line-height: 1.2; }
.wb-pace-time-grid__colon { align-self: end; height: 52px; margin: 0; color: var(--wb-tool-muted); font-size: 24px; font-weight: 800; line-height: 52px; }
.wb-pace-time-grid__suffix { align-self: end; height: 52px; margin: 0; color: var(--wb-tool-muted); font-size: 13px; font-weight: 750; line-height: 52px; white-space: nowrap; }
.wb-tool input[aria-invalid="true"] { color: #a52a2a !important; border-color: #c85d65 !important; }

.wb-pace-presets { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 10px; }
.wb-pace-presets button { min-height: 34px; margin: 0; padding: 6px 10px; color: var(--wb-tool-accent-dark); background: #fff; border: 1px solid #b8cec7; border-radius: 9px; box-shadow: none; font: inherit; font-size: 12px; font-weight: 750; line-height: 1.2; text-transform: none; cursor: pointer; }
.wb-pace-presets button:hover { color: #fff; background: var(--wb-tool-accent); border-color: var(--wb-tool-accent); }
.wb-pace-presets button:focus-visible { outline: 3px solid rgba(8, 127, 112, .25); outline-offset: 2px; }

.wb-tool__error { margin: 16px 0 0; padding: 11px 13px; color: #842029; background: #fff1f2; border: 1px solid #f1c4c8; border-radius: 10px; font-size: 14px; line-height: 1.45; }
.wb-tool__actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.wb-tool .wb-tool__button { min-height: 48px; margin: 0; padding: 11px 20px; border: 1px solid transparent; border-radius: 12px; box-shadow: none; font: inherit; font-size: 15px; font-weight: 800; line-height: 1.3; text-transform: none; cursor: pointer; transition: background-color 160ms ease, border-color 160ms ease, transform 160ms ease; }
.wb-tool .wb-tool__button:focus-visible { outline: 3px solid rgba(8, 127, 112, .25); outline-offset: 2px; }
.wb-tool .wb-tool__button--primary { color: #fff; background: var(--wb-tool-accent); }
.wb-tool .wb-tool__button--primary:hover { color: #fff; background: var(--wb-tool-accent-dark); transform: translateY(-1px); }
.wb-tool .wb-tool__button--secondary { color: var(--wb-tool-ink); background: #fff; border-color: #b8cec7; }
.wb-tool .wb-tool__button--secondary:hover { color: var(--wb-tool-ink); background: var(--wb-tool-surface); border-color: #8eaaa2; }

.wb-tool__result { padding-top: 0; }
.wb-pace-result-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); overflow: hidden; background: var(--wb-tool-surface); border: 1px solid var(--wb-tool-border); border-radius: 16px; }
.wb-pace-result-grid > div { min-width: 0; padding: 18px; border-right: 1px solid var(--wb-tool-border); }
.wb-pace-result-grid > div:last-child { border-right: 0; }
.wb-pace-result-grid span { display: block; margin-bottom: 5px; color: var(--wb-tool-muted); font-size: 12px; font-weight: 750; }
.wb-pace-result-grid strong { display: block; overflow-wrap: anywhere; color: var(--wb-tool-ink); font-size: clamp(18px, 4vw, 25px); font-weight: 850; letter-spacing: -.025em; line-height: 1.1; }
.wb-pace-speed { display: flex; justify-content: space-between; gap: 16px; margin: 15px 0 0; padding: 12px 15px; color: var(--wb-tool-muted); background: #fff; border: 1px solid var(--wb-tool-border); border-radius: 12px; font-size: 14px; }
.wb-pace-speed strong { color: var(--wb-tool-ink); white-space: nowrap; }
.wb-pace-projections { margin-top: 24px; padding-top: 22px; border-top: 1px solid var(--wb-tool-border); }
.wb-pace-projections h4 { margin: 0 0 12px; color: var(--wb-tool-ink); font-size: 18px; line-height: 1.3; }
.wb-pace-projections__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.wb-pace-projections__grid > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 12px 14px; background: var(--wb-tool-surface); border-radius: 11px; }
.wb-pace-projections__grid span { color: var(--wb-tool-muted); font-size: 13px; font-weight: 700; }
.wb-pace-projections__grid strong { color: var(--wb-tool-ink); font-size: 15px; white-space: nowrap; }
.wb-pace-projections > p { margin: 10px 0 0; color: var(--wb-tool-muted); font-size: 12px; line-height: 1.45; }
.wb-tool [hidden] { display: none !important; }

@media (max-width: 520px) {
  .wb-tool { border-radius: 18px; }
  .wb-tool__actions { display: grid; grid-template-columns: 1fr; }
  .wb-tool .wb-tool__button { width: 100%; }
  .wb-pace-result-grid { grid-template-columns: 1fr; }
  .wb-pace-result-grid > div { border-right: 0; border-bottom: 1px solid var(--wb-tool-border); }
  .wb-pace-result-grid > div:last-child { border-bottom: 0; }
}

@media (max-width: 390px) {
  .wb-pace-group { padding: 14px; }
  .wb-pace-time-grid { gap: 5px; }
  .wb-pace-time-grid__suffix { font-size: 11px; }
  section.wb-tool.wb-tool--pace .wb-pace-time-grid input { padding: 0 9px !important; }
  .wb-pace-projections__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .wb-tool *, .wb-tool *::before, .wb-tool *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}