.roi-calculator-page {
  padding: 96px 0 64px;
  background: var(--surface-gray);
}

.roi-calculator-page .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.roi-calculator__header {
  margin-bottom: 32px;
}

.roi-calculator__card {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 24px;
}

.roi-calculator__topNav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.roi-calculator__navLink {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--surface-white);
  color: var(--brand-primary);
  text-decoration: none;
}

.roi-calculator__navLink:hover {
  border-color: var(--brand-secondary);
}

.roi-calculator__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

@media (min-width: 992px) {
  .roi-calculator__grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 24px;
    align-items: start;
  }
}

.roi-calculator__left,
.roi-calculator__right {
  min-width: 0;
}

.roi-calculator__sticky {
  position: sticky;
  top: 92px;
  display: grid;
  gap: 12px;
}

.roi-calculator__sectionTitle {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.roi-calculator__section {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  overflow: hidden;
  background: var(--surface-white);
  margin-bottom: 12px;
}

.roi-calculator__sectionHeader {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--surface-gray);
  border: 0;
  cursor: pointer;
  text-align: left;
}

.roi-calculator__sectionHeaderRight {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.roi-calculator__chevron {
  font-weight: 700;
  color: var(--brand-primary);
}

.roi-calculator__sectionBody {
  padding: 16px;
}

.roi-calculator__sectionBody.is-closed {
  display: none;
}

.roi-calculator__notice {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--status-warning), transparent 70%);
  background: color-mix(in srgb, var(--status-warning), transparent 92%);
  margin-bottom: 14px;
}

.roi-calculator__inlineToggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.roi-calculator__sectionSubhead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0 10px;
}

.roi-calculator__fieldset {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

@media (min-width: 768px) {
  .roi-calculator__fieldset--two {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
}

.roi-calculator__field label {
  display: block;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

.roi-calculator__hint {
  margin-top: 6px;
  color: var(--text-secondary);
}

.roi-calculator__toggleRow {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 12px;
}

.roi-calculator__channelGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 768px) {
  .roi-calculator__channelGrid {
    grid-template-columns: 1fr 1fr;
  }
}

.roi-calculator__channelCard {
  border: 1px solid var(--border-light);
  background: var(--surface-white);
  border-radius: 12px;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  text-align: left;
}

.roi-calculator__channelCard:hover {
  border-color: var(--brand-secondary);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--brand-secondary), transparent 80%);
}

.roi-calculator__channelCard.is-selected {
  border-color: var(--brand-secondary);
  background: color-mix(in srgb, var(--brand-secondary), transparent 88%);
}

.roi-calculator__channelCardTitle {
  color: var(--brand-primary);
  font-weight: 700;
}

.roi-calculator__channelCardDesc {
  color: var(--text-secondary);
}

.roi-calculator__channelCardText {
  display: grid;
  gap: 2px;
}

.roi-calculator__channelCardRight {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.roi-calculator__chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--surface-white);
  color: var(--brand-primary);
  font-size: 12px;
  font-weight: 700;
}

.roi-calculator__heroCard {
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 18px 18px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--brand-secondary), white 70%),
    color-mix(in srgb, var(--brand-tertriary), white 78%)
  );
  text-align: center;
}

.roi-calculator__heroLabel {
  color: var(--brand-primary);
  opacity: 0.85;
}

.roi-calculator__heroValue {
  font-size: 40px;
  font-weight: 800;
  color: var(--brand-primary);
  letter-spacing: -0.5px;
  margin-top: 6px;
}

.roi-calculator__heroHint {
  margin-top: 6px;
  color: var(--text-secondary);
}

.roi-calculator__kpiGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 768px) {
  .roi-calculator__kpiGrid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.roi-calculator__metaStrip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 768px) {
  .roi-calculator__metaStrip {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

.roi-calculator__kpiTile {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 12px;
  background: var(--surface-white);
}

.roi-calculator__kpiTile.is-highlight {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
}

.roi-calculator__kpiTile.is-highlight .roi-calculator__kpiLabel,
.roi-calculator__kpiTile.is-highlight .roi-calculator__hint {
  color: color-mix(in srgb, white, transparent 15%);
}

.roi-calculator__kpiTile.is-highlight .roi-calculator__kpiValue {
  color: white;
}

.roi-calculator__kpiValue {
  font-size: 26px;
  font-weight: 700;
  color: var(--brand-primary);
  line-height: 1.2;
}

.roi-calculator__kpiLabel {
  color: var(--text-secondary);
}

.roi-calculator__divider {
  height: 1px;
  background: var(--border-light);
  margin: 16px 0;
}

.roi-calculator__creditsBar {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 14px;
  background: var(--surface-white);
}

.roi-calculator__creditsHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.roi-calculator__progressTrack {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: var(--gray-400);
  overflow: hidden;
}

.roi-calculator__progressFill {
  height: 100%;
  background: var(--brand-primary);
  border-radius: 999px;
}

.roi-calculator__details {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  background: var(--surface-white);
  overflow: hidden;
}

.roi-calculator__detailsSummary {
  list-style: none;
  cursor: pointer;
  padding: 12px 14px;
  background: var(--surface-gray);
}

.roi-calculator__detailsSummary::-webkit-details-marker {
  display: none;
}

.roi-calculator__detailsBody {
  padding: 12px 14px;
}

.roi-calculator__breakdownRow,
.roi-calculator__pricingRow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
}

.roi-calculator__breakdownRow:last-child,
.roi-calculator__pricingRow:last-child {
  border-bottom: none;
}

.roi-calculator__pricingBox {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--surface-white);
}

.roi-calculator__pricingRow--total {
  padding-top: 12px;
}

.roi-calculator__channelResultsGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

@media (min-width: 768px) {
  .roi-calculator__channelResultsGrid {
    grid-template-columns: 1fr 1fr;
  }
}

.roi-calculator__channelResult {
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--surface-white);
}

.roi-calculator__channelResult.is-disabled {
  opacity: 0.6;
}

.roi-calculator__channelResultHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.roi-calculator__channelResultGrid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 12px;
}

.roi-calculator__channelResultStat {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.roi-calculator__muted {
  color: var(--text-secondary);
}

.roi-calculator__pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border-light);
  background: var(--surface-white);
  color: var(--brand-primary);
}

.roi-calculator__mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* ===========================
   CONSOLIDATED INPUT SECTION
   =========================== */

.roi-calculator__inputSection {
  margin-bottom: 24px;
}

.roi-calculator__inputCard {
  background: var(--surface-white);
  border: 2px solid var(--brand-secondary);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 24px color-mix(in srgb, var(--brand-secondary), transparent 85%);
}

.roi-calculator__inputTitle {
  margin-bottom: 20px;
  color: var(--brand-primary);
}

.roi-calculator__inputGrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .roi-calculator__inputGrid {
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
  }
}

.roi-calculator__inputGroup {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.roi-calculator__inputGroupLabel {
  color: var(--brand-primary);
  font-weight: 600;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 4px;
}

/* ===========================
   CHANNEL TOGGLES SECTION
   =========================== */

.roi-calculator__channelToggles {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  padding: 24px;
  margin-bottom: 24px;
}

.roi-calculator__channelToggles > h2 {
  margin-bottom: 8px;
}

.roi-calculator__channelGrid--4col {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .roi-calculator__channelGrid--4col {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .roi-calculator__channelGrid--4col {
    grid-template-columns: repeat(4, 1fr);
  }
}

.roi-calculator__channelGrid--3col {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .roi-calculator__channelGrid--3col {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Enhanced On/Off chip states */
.roi-calculator__chip.is-on {
  background: var(--brand-secondary);
  border-color: var(--brand-secondary);
  color: var(--brand-primary);
}

/* ===========================
   COMPACT INPUT STYLES
   =========================== */

.roi-calculator__inputCard--compact {
  border: 1px solid var(--border-light);
  box-shadow: none;
  padding: 16px;
  margin-bottom: 12px;
}

.roi-calculator__inputCard--compact .roi-calculator__inputGroupLabel {
  font-size: 13px;
  padding-bottom: 6px;
  margin-bottom: 8px;
}

.roi-calculator__compactRow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 16px;
}

@media (min-width: 768px) {
  .roi-calculator__compactRow {
    grid-template-columns: repeat(4, 1fr);
    gap: 10px 20px;
  }
}

.roi-calculator__field--compact {
  gap: 4px;
}

.roi-calculator__field--compact label {
  font-size: 11px;
  margin-bottom: 2px;
}

.cinput--sm {
  padding: 8px 10px;
  font-size: 14px;
}

/* ===========================
   CHANNEL RESULTS EMPHASIS
   =========================== */

.roi-calculator__channelResultsGrid {
  background: color-mix(in srgb, var(--brand-secondary), transparent 92%);
  border-radius: 12px;
  padding: 12px;
  border: 1px solid var(--brand-secondary);
}

.roi-calculator__channelResult {
  background: var(--surface-white);
  border: 1px solid var(--border-light);
  box-shadow: 0 2px 8px color-mix(in srgb, var(--brand-primary), transparent 95%);
}

.roi-calculator__channelResult:hover {
  border-color: var(--brand-secondary);
}

/* ===========================
   POLISHED ASSUMPTIONS SECTION
   =========================== */

.roi-calculator__section#roi-assumptions .roi-calculator__sectionBody {
  background: var(--surface-gray);
}

.roi-calculator__section#roi-assumptions .roi-calculator__fieldset {
  gap: 16px;
}

.roi-calculator__section#roi-assumptions .roi-calculator__field label {
  font-weight: 500;
}

/* ===========================
   COMPACT CHANNEL TOGGLE CARD
   =========================== */

.roi-calculator__channelCard--compact {
  padding: 10px 14px;
  justify-content: space-between;
}

/* ===========================
   MODAL STYLES
   =========================== */

.roi-calculator__modalOverlay {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, var(--brand-primary), transparent 50%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 24px;
}

.roi-calculator__modal {
  background: var(--surface-white);
  border-radius: 16px;
  box-shadow: 0 24px 48px color-mix(in srgb, var(--brand-primary), transparent 80%);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
}

.roi-calculator__modalHeader {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  background: var(--surface-white);
  z-index: 1;
}

.roi-calculator__modalClose {
  width: 32px;
  height: 32px;
  border: none;
  background: var(--surface-gray);
  border-radius: 8px;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.roi-calculator__modalClose:hover {
  background: var(--border-light);
  color: var(--brand-primary);
}

.roi-calculator__modalBody {
  padding: 24px;
}

/* ===========================
   FOOTNOTE LINK STYLE
   =========================== */

.roi-calculator__footnoteLink {
  display: inline-block;
  margin-top: 12px;
  padding: 0;
  border: none;
  background: none;
  font-size: 12px;
  color: var(--text-secondary);
  text-decoration: underline;
  cursor: pointer;
}

.roi-calculator__footnoteLink:hover {
  color: var(--brand-primary);
}

/* ===========================
   MODAL - MINIMAL DESIGN
   =========================== */

.roi-calculator__tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
}

.roi-calculator__tab {
  padding: 8px 16px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 6px;
  font-size: 13px;
  transition: all 0.15s ease;
}

.roi-calculator__tab:hover {
  background: rgba(0, 0, 0, 0.04);
  color: var(--text-primary);
}

.roi-calculator__tab--active {
  background: var(--brand-primary);
  color: white;
  font-weight: 500;
}

.roi-calculator__tabContent {
  animation: fadeIn 0.15s ease;
}

/* Minimal modal fieldset styling */
.roi-calculator__tabContent .roi-calculator__fieldset {
  gap: 20px;
}

.roi-calculator__tabContent .roi-calculator__field label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.roi-calculator__tabContent .cinput {
  border: none;
  border-bottom: 1px solid var(--border-light);
  border-radius: 0;
  padding: 8px 0;
  background: transparent;
  font-size: 15px;
}

.roi-calculator__tabContent .cinput:focus {
  outline: none;
  border-bottom-color: var(--brand-primary);
  box-shadow: none;
}

.roi-calculator__tabContent select.cinput {
  border: none;
  border-bottom: 1px solid var(--border-light);
  border-radius: 0;
  padding: 8px 24px 8px 0;
  background: transparent url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M3 4.5L6 7.5L9 4.5'/%3E%3C/svg%3E") no-repeat right center;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Subtle divider in modal */
.roi-calculator__tabContent .roi-calculator__divider {
  background: transparent;
  margin: 24px 0;
  height: 0;
}

/* Section subhead in modal */
.roi-calculator__tabContent .roi-calculator__sectionSubhead {
  margin: 24px 0 16px;
  padding-top: 16px;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.roi-calculator__tabContent .roi-calculator__sectionSubhead h4 {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
}

/* Ghost button in modal */
.roi-calculator__tabContent .cbtn-ghost {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 12px;
  opacity: 0.7;
}

.roi-calculator__tabContent .cbtn-ghost:hover {
  opacity: 1;
}

/* Hint text styling */
.roi-calculator__tabContent .roi-calculator__hint {
  font-size: 11px;
  color: var(--text-secondary);
  opacity: 0.8;
}

/* Inline toggle styling */
.roi-calculator__tabContent .roi-calculator__inlineToggle {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}