@import url("calc-tokens.css");

.cm-prototype {
  font-family: var(--cm-font-sans);
  color: var(--cm-color-text);
  background: var(--cm-color-page-bg);
  line-height: var(--cm-line-height-base);
}

.cm-shell {
  padding: var(--cm-space-12) 0;
}

.cm-shell__intro {
  max-width: var(--cm-content-width);
  margin: 0 auto var(--cm-space-8);
}

.cm-eyebrow {
  color: var(--cm-color-text-subtle);
  font-size: var(--cm-font-size-sm);
  font-weight: var(--cm-font-weight-semibold);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin: 0 0 var(--cm-space-2);
}

.cm-title {
  margin: 0 0 var(--cm-space-4);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: var(--cm-line-height-tight);
}

.cm-intro {
  max-width: 60rem;
  color: var(--cm-color-text-muted);
  font-size: var(--cm-font-size-lg);
  margin: 0;
}

.cm-layout--prototype {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(22rem, 0.95fr);
  gap: var(--cm-space-8);
  align-items: start;
}

.cm-layout__main,
.cm-layout__rail {
  display: grid;
  gap: var(--cm-space-6);
}

.cm-panel,
.cm-support-block,
.cm-result-card,
.cm-result-actions,
.cm-review-only {
  background: var(--cm-color-page-bg);
  border: 1px solid var(--cm-color-border);
  border-radius: var(--cm-radius-lg);
  box-shadow: var(--cm-shadow-sm);
}

.cm-panel,
.cm-support-block,
.cm-result-card,
.cm-result-actions,
.cm-review-only {
  padding: var(--cm-space-6);
}

.cm-panel--calculator {
  padding-bottom: var(--cm-space-5);
}

.cm-form {
  display: grid;
  gap: var(--cm-space-5);
}

.cm-field,
.cm-radio-group {
  display: grid;
  gap: var(--cm-space-2);
}

.cm-field__label {
  font-size: var(--cm-font-size-sm);
  font-weight: var(--cm-font-weight-semibold);
}

.cm-field__control {
  width: 100%;
  min-height: 48px;
  border: 1px solid var(--cm-color-border-strong);
  border-radius: var(--cm-radius-md);
  padding: 0.875rem 1rem;
  font-size: var(--cm-font-size-base);
  color: var(--cm-color-text);
  background: #fff;
  transition: border-color var(--cm-transition-fast), box-shadow var(--cm-transition-fast), background-color var(--cm-transition-fast);
}

.cm-field__control:focus {
  outline: 0;
  border-color: var(--cm-color-focus);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.18);
}

.cm-field__help {
  margin: 0;
  color: var(--cm-color-text-subtle);
  font-size: var(--cm-font-size-sm);
}

.cm-field__error {
  margin: 0;
  color: var(--cm-color-error);
  font-size: var(--cm-font-size-sm);
  font-weight: var(--cm-font-weight-medium);
}

.cm-radio-group {
  border: 0;
  margin: 0;
  padding: 0;
}

.cm-segmented-control__options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cm-space-3);
}

.cm-segmented-control__option {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border: 1px solid var(--cm-color-border-strong);
  border-radius: var(--cm-radius-md);
  padding: 0.75rem 1rem;
  background: var(--cm-color-page-bg);
  cursor: pointer;
  transition: border-color var(--cm-transition-fast), box-shadow var(--cm-transition-fast), background-color var(--cm-transition-fast), transform var(--cm-transition-fast);
}

.cm-segmented-control__option input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
}

.cm-segmented-control__option span {
  position: relative;
  z-index: 1;
  font-weight: var(--cm-font-weight-semibold);
}

.cm-segmented-control__option:focus-within,
.cm-segmented-control__option:has(input:focus-visible) {
  border-color: var(--cm-color-focus);
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.18);
}

.cm-segmented-control__option:has(input:checked) {
  background: var(--cm-color-surface-muted);
  border-color: var(--cm-color-primary);
}

.cm-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--cm-space-3);
}

.cm-button {
  min-height: 48px;
  border: 0;
  border-radius: var(--cm-radius-md);
  padding: 0.875rem 1.25rem;
  font-size: var(--cm-font-size-base);
  font-weight: var(--cm-font-weight-semibold);
  cursor: pointer;
  transition: transform var(--cm-transition-fast), box-shadow var(--cm-transition-fast), background-color var(--cm-transition-fast), opacity var(--cm-transition-fast);
}

.cm-button:hover {
  transform: translateY(-1px);
}

.cm-button:focus {
  outline: 0;
  box-shadow: 0 0 0 3px rgb(37 99 235 / 0.18);
}

.cm-button:disabled,
.cm-button[hidden] {
  display: none;
}

.cm-button--primary {
  background: var(--cm-color-primary);
  color: var(--cm-color-primary-contrast);
}

.cm-button--secondary {
  background: var(--cm-color-surface-muted);
  color: var(--cm-color-text);
}

.cm-result-card {
  background: linear-gradient(180deg, #ffffff 0%, #fffaf0 100%);
}

.cm-result-card__header {
  display: grid;
  gap: var(--cm-space-1);
}

.cm-result-card__value {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  font-weight: var(--cm-font-weight-bold);
  color: var(--cm-color-text);
  word-break: break-word;
}

.cm-result-card__meta {
  margin: var(--cm-space-3) 0 0;
  color: var(--cm-color-text-muted);
}

.cm-alert {
  margin-top: var(--cm-space-4);
  padding: 0.875rem 1rem;
  border-radius: var(--cm-radius-md);
  border: 1px solid transparent;
  font-size: var(--cm-font-size-sm);
}

.cm-alert--info {
  background: var(--cm-color-info-bg);
  border-color: rgb(29 78 216 / 0.20);
  color: var(--cm-color-info);
}

.cm-alert--warning {
  background: var(--cm-color-warning-bg);
  border-color: rgb(146 64 14 / 0.20);
  color: var(--cm-color-warning);
}

.cm-alert--success {
  background: var(--cm-color-success-bg);
  border-color: rgb(22 101 52 / 0.20);
  color: var(--cm-color-success);
}

.cm-alert--error {
  background: var(--cm-color-error-bg);
  border-color: rgb(185 28 28 / 0.20);
  color: var(--cm-color-error);
}

.cm-support-block__title {
  margin: 0 0 var(--cm-space-4);
  font-size: var(--cm-font-size-xl);
  line-height: var(--cm-line-height-tight);
}

.cm-how-works__lead {
  margin: 0 0 var(--cm-space-5);
  color: var(--cm-color-text-muted);
}

.cm-how-works__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--cm-space-4);
}

.cm-how-works__item {
  display: grid;
  gap: var(--cm-space-3);
  padding: var(--cm-space-4);
  border-radius: var(--cm-radius-md);
  border: 1px solid var(--cm-color-border);
  background: var(--cm-color-surface);
}

.cm-how-works__item-title {
  margin: 0;
  font-size: var(--cm-font-size-base);
  line-height: var(--cm-line-height-tight);
}

.cm-equation {
  margin: 0;
  padding: var(--cm-space-4);
  border-radius: var(--cm-radius-md);
  background: var(--cm-color-page-bg);
  border: 1px solid var(--cm-color-border);
  white-space: pre-wrap;
  font-family: var(--cm-font-mono);
  line-height: 1.5;
}

.cm-step-list,
.cm-bullet-list,
.cm-source-list {
  margin: 0;
  padding-left: 1.25rem;
}

.cm-step-list--definition {
  display: grid;
  gap: var(--cm-space-3);
  padding-left: 0;
}

.cm-step-list--definition > div {
  display: grid;
  gap: var(--cm-space-1);
  padding: var(--cm-space-3) 0;
  border-bottom: 1px solid var(--cm-color-border);
}

.cm-step-list--definition > div:last-child {
  border-bottom: 0;
}

.cm-step-list--definition dt {
  font-size: var(--cm-font-size-sm);
  color: var(--cm-color-text-subtle);
  font-weight: var(--cm-font-weight-semibold);
}

.cm-step-list--definition dd {
  margin: 0;
  font-size: var(--cm-font-size-lg);
  font-weight: var(--cm-font-weight-bold);
}

.cm-related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--cm-space-3);
}

.cm-related-card {
  display: grid;
  gap: var(--cm-space-1);
  padding: var(--cm-space-4);
  border-radius: var(--cm-radius-md);
  border: 1px solid var(--cm-color-border);
  background: var(--cm-color-surface);
  text-decoration: none;
  color: var(--cm-color-text);
}

.cm-related-card:hover,
.cm-related-card:focus-visible {
  border-color: var(--cm-color-primary);
  box-shadow: 0 0 0 3px rgb(245 158 11 / 0.20);
}

.cm-related-card__title {
  font-weight: var(--cm-font-weight-semibold);
}

.cm-related-card__description {
  color: var(--cm-color-text-muted);
  font-size: var(--cm-font-size-sm);
}

.cm-faq-list {
  display: grid;
  gap: var(--cm-space-3);
}

.cm-faq-item {
  padding: var(--cm-space-4);
  border: 1px solid var(--cm-color-border);
  border-radius: var(--cm-radius-md);
  background: #fff;
}

.cm-faq-item summary {
  cursor: pointer;
  font-weight: var(--cm-font-weight-semibold);
}

.cm-faq-item__answer {
  margin-top: var(--cm-space-3);
  color: var(--cm-color-text-muted);
}

.cm-result-actions {
  display: grid;
  gap: var(--cm-space-4);
}

.cm-result-actions .cm-actions {
  align-items: center;
}

.cm-review-only {
  display: grid;
  gap: var(--cm-space-4);
  border-style: dashed;
  background: var(--cm-color-surface);
}

.cm-review-only .cm-bullet-list {
  color: var(--cm-color-text-muted);
}

.cm-ad-safe-zone {
  min-height: 56px;
  border: 1px dashed var(--cm-color-border-strong);
  border-radius: var(--cm-radius-md);
  padding: var(--cm-space-4);
  color: var(--cm-color-text-subtle);
  font-size: var(--cm-font-size-sm);
}

.cm-prototype__footer {
  margin: var(--cm-space-6) 0 0;
  color: var(--cm-color-text-subtle);
  font-size: var(--cm-font-size-sm);
}

@media (max-width: 63.9375rem) {
  .cm-layout--prototype {
    grid-template-columns: 1fr;
  }

  .cm-how-works__grid,
  .cm-related-grid,
  .cm-segmented-control__options {
    grid-template-columns: 1fr;
  }
}