.cmp-calculator,
.cmp-calculator * {
  box-sizing: border-box;
}

.cmp-calculator {
  --cmp-accent: #e30613;
  --cmp-accent-soft: color-mix(in srgb, var(--cmp-accent) 10%, white);
  --cmp-ink: #15171a;
  --cmp-muted: #626872;
  --cmp-line: #dfe3e8;
  --cmp-panel: #f6f7f9;
  --cmp-white: #fff;
  width: 100%;
  max-width: var(--cmp-max-width, 920px);
  margin: 32px auto;
  color: var(--cmp-ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.cmp-calculator__inner {
  overflow: hidden;
  background: var(--cmp-white);
  border: 1px solid var(--cmp-line);
  border-radius: 24px;
  box-shadow: 0 18px 55px rgba(24, 32, 45, 0.10);
}

.cmp-calculator__header {
  position: relative;
  padding: clamp(28px, 5vw, 54px);
  color: #fff;
  background:
    radial-gradient(circle at 90% 10%, rgba(255,255,255,.18), transparent 30%),
    linear-gradient(135deg, color-mix(in srgb, var(--cmp-accent) 86%, #111), var(--cmp-accent));
}

.cmp-calculator__header::after {
  content: "";
  position: absolute;
  right: -55px;
  bottom: -85px;
  width: 230px;
  height: 230px;
  border: 34px solid rgba(255,255,255,.10);
  border-radius: 50%;
}

.cmp-calculator__eyebrow {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.cmp-calculator__title,
.cmp-results h3 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.05;
}

.cmp-calculator__subtitle {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 16px 0 0;
  color: rgba(255,255,255,.9);
  font-size: 17px;
  line-height: 1.6;
}

.cmp-form {
  display: grid;
  gap: 0;
  padding: clamp(24px, 5vw, 48px);
}

.cmp-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0 0 30px;
  border: 0;
}

.cmp-fieldset + .cmp-fieldset {
  padding-top: 30px;
  border-top: 1px solid var(--cmp-line);
}

.cmp-fieldset legend {
  display: flex;
  align-items: center;
  width: 100%;
  margin: 0 0 18px;
  padding: 0;
  font-size: 18px;
  font-weight: 800;
}

.cmp-step {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  margin-right: 10px;
  color: #fff;
  background: var(--cmp-accent);
  border-radius: 50%;
  font-size: 14px;
}

.cmp-choice-grid {
  display: grid;
  gap: 14px;
}

.cmp-choice-grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cmp-choice {
  position: relative;
  cursor: pointer;
}

.cmp-choice input,
.cmp-unit-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.cmp-choice__content {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 82px;
  padding: 17px;
  background: #fff;
  border: 2px solid var(--cmp-line);
  border-radius: 16px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.cmp-choice__icon {
  display: grid;
  place-items: center;
  flex: 0 0 42px;
  width: 42px;
  height: 42px;
  color: var(--cmp-accent);
  background: var(--cmp-accent-soft, #fff1f2);
  border-radius: 12px;
  font-weight: 900;
}

.cmp-choice strong,
.cmp-choice small {
  display: block;
}

.cmp-choice strong {
  font-size: 16px;
}

.cmp-choice small {
  margin-top: 3px;
  color: var(--cmp-muted);
  font-size: 12px;
}

.cmp-choice:hover .cmp-choice__content {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--cmp-accent) 45%, var(--cmp-line));
}

.cmp-choice input:checked + .cmp-choice__content {
  border-color: var(--cmp-accent);
  box-shadow: 0 0 0 4px var(--cmp-accent-soft, #fff1f2);
}

.cmp-choice input:focus-visible + .cmp-choice__content,
.cmp-unit-switch input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--cmp-accent) 35%, transparent);
  outline-offset: 2px;
}

.cmp-input-wrap {
  position: relative;
  display: block;
}

.cmp-input-wrap input {
  width: 100%;
  height: 62px;
  padding: 0 90px 0 18px;
  color: var(--cmp-ink);
  background: #fff;
  border: 2px solid var(--cmp-line);
  border-radius: 15px;
  font: inherit;
  font-size: 21px;
  font-weight: 750;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.cmp-input-wrap input:focus {
  border-color: var(--cmp-accent);
  box-shadow: 0 0 0 4px var(--cmp-accent-soft, #fff1f2);
  outline: 0;
}

.cmp-input-suffix {
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  color: var(--cmp-muted);
  font-weight: 750;
}

.cmp-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.cmp-presets button {
  padding: 7px 11px;
  color: var(--cmp-ink);
  background: var(--cmp-panel);
  border: 1px solid var(--cmp-line);
  border-radius: 999px;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 750;
}

.cmp-presets button:hover,
.cmp-presets button.is-active {
  color: var(--cmp-accent);
  border-color: var(--cmp-accent);
  background: var(--cmp-accent-soft, #fff1f2);
}

.cmp-help {
  margin: 10px 0 0;
  color: var(--cmp-muted);
  font-size: 13px;
}

.cmp-unit-switch {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 5px;
  background: var(--cmp-panel);
  border: 1px solid var(--cmp-line);
  border-radius: 14px;
}

.cmp-unit-switch label {
  position: relative;
  cursor: pointer;
}

.cmp-unit-switch span {
  display: block;
  padding: 12px 10px;
  text-align: center;
  border-radius: 10px;
  font-weight: 800;
  transition: all .2s ease;
}

.cmp-unit-switch input:checked + span {
  color: #fff;
  background: var(--cmp-accent);
  box-shadow: 0 5px 15px color-mix(in srgb, var(--cmp-accent) 25%, transparent);
}

.cmp-form__actions {
  padding-top: 4px;
}

.cmp-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: 12px;
  cursor: pointer;
  font: inherit;
  font-weight: 850;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.cmp-button--primary {
  width: 100%;
  min-height: 58px;
  color: #fff;
  background: var(--cmp-accent);
  border: 1px solid var(--cmp-accent);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--cmp-accent) 25%, transparent);
  font-size: 16px;
}

.cmp-button--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 34px color-mix(in srgb, var(--cmp-accent) 34%, transparent);
}

.cmp-button--ghost {
  color: var(--cmp-accent);
  background: #fff;
  border: 1px solid color-mix(in srgb, var(--cmp-accent) 35%, var(--cmp-line));
}

.cmp-error {
  margin: 12px 0 0;
  padding: 12px 14px;
  color: #8b1018;
  background: #fff0f1;
  border: 1px solid #ffc8cc;
  border-radius: 10px;
  font-size: 14px;
}

.cmp-results {
  margin: 0 clamp(24px, 5vw, 48px) clamp(24px, 5vw, 48px);
  padding: clamp(22px, 4vw, 34px);
  background: var(--cmp-panel);
  border: 1px solid var(--cmp-line);
  border-radius: 20px;
}

.cmp-results[hidden] {
  display: none;
}

.cmp-results__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 22px;
}

.cmp-results .cmp-calculator__eyebrow {
  margin-bottom: 6px;
  color: var(--cmp-accent);
}

.cmp-results h3 {
  font-size: clamp(23px, 3vw, 31px);
}

.cmp-result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.cmp-result-card {
  padding: 22px;
  background: #fff;
  border: 1px solid var(--cmp-line);
  border-radius: 16px;
}

.cmp-result-card--accent {
  color: #fff;
  background: var(--cmp-accent);
  border-color: var(--cmp-accent);
}

.cmp-result-card__label,
.cmp-result-card__meta {
  display: block;
}

.cmp-result-card__label {
  margin-bottom: 10px;
  color: var(--cmp-muted);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.cmp-result-card--accent .cmp-result-card__label,
.cmp-result-card--accent .cmp-result-card__meta {
  color: rgba(255,255,255,.78);
}

.cmp-result-card strong {
  display: block;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.05;
}

.cmp-result-card strong small {
  font-size: 14px;
  font-weight: 800;
}

.cmp-result-card__meta {
  margin-top: 10px;
  color: var(--cmp-muted);
  font-size: 12px;
}

.cmp-summary {
  margin: 16px 0 0;
  color: var(--cmp-muted);
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.cmp-note {
  margin: 0 clamp(24px, 5vw, 48px) clamp(24px, 5vw, 48px);
  padding: 15px 17px;
  color: #5e4b10;
  background: #fff9df;
  border: 1px solid #f1df92;
  border-radius: 12px;
  font-size: 13px;
  line-height: 1.55;
}

.cmp-calculator--compact .cmp-calculator__header,
.cmp-calculator--compact .cmp-form {
  padding: 28px;
}

.cmp-calculator--compact .cmp-calculator__title {
  font-size: 30px;
}

.cmp-calculator--compact .cmp-fieldset {
  padding-bottom: 22px;
}

.cmp-calculator--compact .cmp-fieldset + .cmp-fieldset {
  padding-top: 22px;
}

@media (max-width: 640px) {
  .cmp-calculator {
    margin: 18px auto;
  }

  .cmp-calculator__inner {
    border-radius: 18px;
  }

  .cmp-choice-grid--2,
  .cmp-result-grid {
    grid-template-columns: 1fr;
  }

  .cmp-choice__content {
    min-height: 72px;
  }

  .cmp-results__heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .cmp-button--ghost {
    width: 100%;
  }

  .cmp-unit-switch span {
    padding: 11px 5px;
    font-size: 13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .cmp-calculator *,
  .cmp-calculator *::before,
  .cmp-calculator *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

.cmp-calculator .screen-reader-text {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}