.rb-ppc-calculator {
  --rb-ppc-bg: #2f2f2f;
  --rb-ppc-panel: #ffffff;
  --rb-ppc-panel-muted: #f6f6f4;
  --rb-ppc-text: #303034;
  --rb-ppc-text-soft: #686d73;
  --rb-ppc-text-inverse: #ffffff;
  --rb-ppc-orange: #f36b24;
  --rb-ppc-orange-dark: #c94d12;
  --rb-ppc-border: #dededb;
  --rb-ppc-focus: #1b7fee;
  --rb-ppc-shadow: 0 20px 55px rgba(0, 0, 0, 0.16);
  background: var(--rb-ppc-bg);
  border-radius: 8px;
  color: var(--rb-ppc-text-inverse);
  font-family: inherit;
  margin: 40px auto;
  max-width: 1180px;
  padding: clamp(24px, 4vw, 48px);
}

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

.rb-ppc-calculator__sr-only {
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.rb-ppc-calculator__header {
  max-width: 760px;
}

.rb-ppc-calculator__eyebrow {
  background: var(--rb-ppc-orange);
  color: var(--rb-ppc-text-inverse);
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0 0 14px;
  padding: 4px 7px;
  text-transform: uppercase;
}

.rb-ppc-calculator h2 {
  color: var(--rb-ppc-text-inverse);
  font-size: clamp(2rem, 4vw, 3.5rem);
  line-height: 1.04;
  margin: 0;
}

.rb-ppc-calculator__header > p:not(.rb-ppc-calculator__eyebrow) {
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  line-height: 1.55;
  margin: 16px 0 0;
}

.rb-ppc-calculator__grid {
  align-items: stretch;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  margin-top: 32px;
}

.rb-ppc-calculator__controls,
.rb-ppc-calculator__results {
  background: var(--rb-ppc-panel);
  border: 1px solid var(--rb-ppc-border);
  border-radius: 8px;
  box-shadow: var(--rb-ppc-shadow);
  color: var(--rb-ppc-text);
}

.rb-ppc-calculator__controls {
  display: grid;
  gap: 16px;
  padding: clamp(18px, 2.5vw, 28px);
}

.rb-ppc-calculator__section {
  display: block;
}

.rb-ppc-calculator__forecast {
  display: block;
}

.rb-ppc-calculator__section > summary,
.rb-ppc-calculator__forecast > summary {
  display: none;
}

.rb-ppc-calculator__section-body {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.rb-ppc-calculator__section-title {
  align-items: center;
  color: var(--rb-ppc-text);
  display: flex;
  font-size: 0.86rem;
  font-weight: 800;
  gap: 10px;
  grid-column: 1 / -1;
  letter-spacing: 0;
  line-height: 1.2;
  margin: 0;
  text-transform: uppercase;
}

.rb-ppc-calculator__section-title::after {
  background: var(--rb-ppc-border);
  content: "";
  display: block;
  flex: 1 1 auto;
  height: 1px;
  min-width: 24px;
}

.rb-ppc-calculator__section:first-of-type .rb-ppc-calculator__field:first-of-type {
  grid-column: 1 / -1;
}

.rb-ppc-calculator__field {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.rb-ppc-calculator__field > span:first-child {
  color: var(--rb-ppc-text);
  font-size: 0.92rem;
  font-weight: 800;
  line-height: 1.25;
}

.rb-ppc-calculator__field select,
.rb-ppc-calculator__field input {
  appearance: none;
  background: var(--rb-ppc-panel-muted);
  border: 1px solid var(--rb-ppc-border);
  border-radius: 8px;
  color: var(--rb-ppc-text);
  font: inherit;
  font-size: 1rem;
  line-height: 1.3;
  min-height: 48px;
  outline: none;
  padding: 11px 13px;
  width: 100%;
}

.rb-ppc-calculator .rb-ppc-calculator__field select,
.rb-ppc-calculator .rb-ppc-calculator__field input {
  box-shadow: none !important;
  font-family: inherit !important;
  margin: 0 !important;
}

.rb-ppc-calculator__field select {
  background-image:
    linear-gradient(45deg, transparent 50%, var(--rb-ppc-text) 50%),
    linear-gradient(135deg, var(--rb-ppc-text) 50%, transparent 50%);
  background-position:
    calc(100% - 18px) 21px,
    calc(100% - 12px) 21px;
  background-repeat: no-repeat;
  background-size: 6px 6px, 6px 6px;
  padding-right: 40px;
}

.rb-ppc-calculator__field select:focus,
.rb-ppc-calculator__field input:focus {
  border-color: var(--rb-ppc-focus);
  box-shadow: 0 0 0 3px rgba(27, 127, 238, 0.22);
}

.rb-ppc-calculator__number {
  align-items: center;
  background: var(--rb-ppc-panel-muted);
  border: 1px solid var(--rb-ppc-border);
  border-radius: 8px;
  display: flex;
  min-height: 48px;
  overflow: hidden;
}

.rb-ppc-calculator__number > span {
  color: var(--rb-ppc-orange-dark);
  font-weight: 800;
  padding: 0 13px;
}

.rb-ppc-calculator__number input {
  background: transparent;
  border: 0;
  border-radius: 0;
  flex: 1 1 auto;
  min-height: 46px;
  min-width: 0;
  padding-left: 13px;
  padding-right: 13px;
}

.rb-ppc-calculator .rb-ppc-calculator__number input {
  background: transparent !important;
  border: 0 !important;
  border-radius: 0 !important;
  box-shadow: none !important;
  outline: 0 !important;
}

.rb-ppc-calculator__number > span + input {
  padding-left: 0;
}

.rb-ppc-calculator__number:focus-within {
  border-color: var(--rb-ppc-focus);
  box-shadow: 0 0 0 3px rgba(27, 127, 238, 0.22);
}

.rb-ppc-calculator__number:focus-within input {
  box-shadow: none;
}

.rb-ppc-calculator__results {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  padding: clamp(18px, 2.5vw, 28px);
}

.rb-ppc-calculator__result {
  background: var(--rb-ppc-panel-muted);
  border: 1px solid var(--rb-ppc-border);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  min-height: 112px;
  padding: 18px;
}

.rb-ppc-calculator__result span {
  color: var(--rb-ppc-text-soft);
  font-size: 0.88rem;
  font-weight: 800;
  line-height: 1.3;
}

.rb-ppc-calculator__result strong {
  color: var(--rb-ppc-text);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  line-height: 1.05;
  overflow-wrap: anywhere;
}

.rb-ppc-calculator__result:nth-of-type(4),
.rb-ppc-calculator__result:nth-of-type(6) {
  background: var(--rb-ppc-orange);
  border-color: var(--rb-ppc-orange);
}

.rb-ppc-calculator__result:nth-of-type(4) span,
.rb-ppc-calculator__result:nth-of-type(4) strong,
.rb-ppc-calculator__result:nth-of-type(6) span,
.rb-ppc-calculator__result:nth-of-type(6) strong {
  color: var(--rb-ppc-text-inverse);
}

.rb-ppc-calculator__source {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.86rem;
  line-height: 1.45;
  margin: 18px 0 0;
}

.rb-ppc-calculator__disclaimer {
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  line-height: 1.5;
  margin: 8px 0 0;
  max-width: 860px;
}

.rb-ppc-calculator__mobile-summary {
  display: none;
}

@media (max-width: 860px) {
  .rb-ppc-calculator {
    margin: 28px auto;
  }

  .rb-ppc-calculator__grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 560px) {
  .rb-ppc-calculator {
    border-radius: 0;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    max-width: none;
    padding: 22px 16px 18px;
  }

  .rb-ppc-calculator__header > p:not(.rb-ppc-calculator__eyebrow) {
    font-size: 0.98rem;
  }

  .rb-ppc-calculator__grid {
    gap: 14px;
    margin-top: 22px;
  }

  .rb-ppc-calculator__controls,
  .rb-ppc-calculator__results {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.16);
  }

  .rb-ppc-calculator__controls {
    gap: 10px;
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .rb-ppc-calculator__section,
  .rb-ppc-calculator__forecast {
    background: var(--rb-ppc-panel);
    border: 1px solid var(--rb-ppc-border);
    border-radius: 8px;
    display: block;
    overflow: hidden;
  }

  .rb-ppc-calculator__section > summary,
  .rb-ppc-calculator__forecast > summary {
    align-items: center;
    color: var(--rb-ppc-text);
    cursor: pointer;
    display: flex;
    font-size: 0.96rem;
    font-weight: 800;
    justify-content: space-between;
    line-height: 1.2;
    list-style: none;
    min-height: 48px;
    padding: 14px 14px;
  }

  .rb-ppc-calculator__section > summary::-webkit-details-marker,
  .rb-ppc-calculator__forecast > summary::-webkit-details-marker {
    display: none;
  }

  .rb-ppc-calculator__section > summary::after,
  .rb-ppc-calculator__forecast > summary::after {
    border-bottom: 2px solid currentColor;
    border-right: 2px solid currentColor;
    content: "";
    display: block;
    height: 8px;
    margin-left: 16px;
    transform: rotate(45deg);
    transform-origin: center;
    width: 8px;
  }

  .rb-ppc-calculator__section[open] > summary,
  .rb-ppc-calculator__forecast[open] > summary {
    border-bottom: 1px solid var(--rb-ppc-border);
    color: var(--rb-ppc-orange-dark);
  }

  .rb-ppc-calculator__section[open] > summary::after,
  .rb-ppc-calculator__forecast[open] > summary::after {
    transform: rotate(225deg);
  }

  .rb-ppc-calculator__section > summary:focus-visible,
  .rb-ppc-calculator__forecast > summary:focus-visible {
    outline: 3px solid rgba(27, 127, 238, 0.7);
    outline-offset: -3px;
  }

  .rb-ppc-calculator__section-body {
    display: grid;
    gap: 12px;
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .rb-ppc-calculator__section-title {
    display: none;
  }

  .rb-ppc-calculator__field {
    gap: 6px;
  }

  .rb-ppc-calculator__field > span:first-child {
    font-size: 0.86rem;
  }

  .rb-ppc-calculator__field select,
  .rb-ppc-calculator__field input,
  .rb-ppc-calculator__number {
    min-height: 44px;
  }

  .rb-ppc-calculator__number input {
    min-height: 42px;
  }

  .rb-ppc-calculator__results {
    border: 0;
    border-radius: 0;
    box-shadow: none;
    gap: 8px;
    grid-template-columns: 1fr;
    padding: 12px;
  }

  .rb-ppc-calculator__result {
    align-items: center;
    grid-template-columns: minmax(0, 1fr) auto;
    min-height: 0;
    padding: 12px;
  }

  .rb-ppc-calculator__result span {
    font-size: 0.82rem;
  }

  .rb-ppc-calculator__result strong {
    font-size: 1.12rem;
    text-align: right;
  }

  .rb-ppc-calculator__mobile-summary {
    backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(222, 222, 219, 0.95);
    border-radius: 8px;
    bottom: max(10px, env(safe-area-inset-bottom));
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.22);
    color: var(--rb-ppc-text);
    display: grid;
    gap: 6px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin: 14px 0 0;
    padding: 10px;
    position: sticky;
    z-index: 5;
  }

  .rb-ppc-calculator__mobile-summary div {
    border-right: 1px solid var(--rb-ppc-border);
    display: grid;
    gap: 4px;
    min-width: 0;
    padding: 0 8px;
    text-align: center;
  }

  .rb-ppc-calculator__mobile-summary div:last-child {
    border-right: 0;
  }

  .rb-ppc-calculator__mobile-summary span {
    color: var(--rb-ppc-text-soft);
    font-size: 0.68rem;
    font-weight: 800;
    line-height: 1.1;
    text-transform: uppercase;
  }

  .rb-ppc-calculator__mobile-summary strong {
    color: var(--rb-ppc-text);
    font-size: clamp(0.95rem, 4vw, 1.18rem);
    line-height: 1.05;
    overflow-wrap: anywhere;
  }

  .rb-ppc-calculator__mobile-summary div:nth-child(2) strong {
    color: var(--rb-ppc-orange-dark);
  }

  .rb-ppc-calculator__source {
    margin-top: 14px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .rb-ppc-calculator__field select,
  .rb-ppc-calculator__field input,
  .rb-ppc-calculator__number {
    transition: border-color 160ms ease, box-shadow 160ms ease;
  }
}