*, *::before, *::after {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--brand-ice);
  scroll-behavior: smooth;
}

body {
  min-height: 100dvh;
  margin: 0;
  background: var(--brand-ice);
  color: var(--brand-text);
  font-family: var(--brand-font-primary);
  line-height: var(--brand-body-line);
}

button,
input,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

[hidden] {
  display: none !important;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 3;
  padding: 10px 14px;
  background: var(--brand-white);
  color: var(--brand-purple);
  font-weight: 700;
  transform: translateY(-180%);
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--brand-azure);
  outline-offset: 3px;
}

.thought-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 var(--brand-page-pad);
  background: var(--brand-purple);
  color: var(--brand-white);
}

.thought-brand {
  display: inline-flex;
  align-items: center;
  /* Fits inside the 64px header, so this costs no layout and buys the tap
   * target the kit asks for. */
  min-height: var(--brand-tap-min);
  gap: 10px;
  color: var(--brand-white);
  text-decoration: none;
}

.thought-brand img {
  width: 18px;
  height: 18px;
}

.thought-nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
  font-family: var(--brand-font-utility);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.thought-nav-links a {
  min-height: var(--brand-tap-min);
  display: inline-flex;
  align-items: center;
  color: var(--brand-periwinkle);
  text-decoration: none;
}

.thought-nav-links a:hover,
.thought-nav-links a[aria-current="page"] {
  color: var(--brand-white);
}

.thought-nav-links a[aria-current="page"] {
  box-shadow: inset 0 -3px 0 var(--brand-azure-bright);
}

.thought-guide {
  position: sticky;
  top: 0;
  z-index: 2;
  border-bottom: var(--brand-rule);
  background: var(--brand-ice);
}

.thought-guide-inner {
  width: min(var(--brand-content-max), calc(100% - (2 * var(--brand-page-pad))));
  min-height: 86px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(240px, 1.05fr) minmax(420px, 1.5fr) auto;
  align-items: center;
  gap: var(--brand-gap);
}

.thought-status {
  display: grid;
  line-height: 1.25;
}

.thought-status span:first-child {
  color: var(--brand-azure-deep);
  font-family: var(--brand-font-utility);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.thought-status strong {
  color: var(--brand-purple);
  font-size: 15px;
}

.thought-status span:last-child {
  margin-top: 3px;
  color: var(--brand-text-secondary);
  font-size: 12px;
}

.thought-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.thought-step {
  display: grid;
  justify-items: center;
  gap: 4px;
  color: var(--brand-text-muted);
  font-family: var(--brand-font-utility);
  font-size: 8px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.thought-step span {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border: 1px solid var(--brand-border);
  background: var(--brand-white);
  color: var(--brand-text-secondary);
}

.thought-step.complete span {
  border-color: var(--brand-periwinkle);
  background: var(--brand-clinical-lavender);
  color: var(--brand-purple);
}

.thought-step.current {
  color: var(--brand-purple);
}

.thought-step.current span {
  border-color: var(--brand-azure);
  background: var(--brand-azure);
  color: var(--brand-white);
}

.exit-button,
.text-button {
  min-height: var(--brand-tap-min);
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--brand-azure-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.thought-wrap {
  width: min(var(--brand-content-max), calc(100% - (2 * var(--brand-page-pad))));
  min-height: calc(100dvh - 64px);
  margin: 0 auto;
}

.thought-wrap > section {
  padding: var(--brand-section-y) 0;
}

.thought-hero {
  min-height: calc(100dvh - 64px - (2 * var(--brand-section-y)));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: clamp(36px, 6vw, 84px);
}

.thought-eyebrow,
.screen-kicker,
.preview-label,
.control-label,
.result-row span,
.thought-proof {
  font-family: var(--brand-font-utility);
}

.thought-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 24px;
  color: var(--brand-azure-deep);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.thought-eyebrow span {
  width: 32px;
  height: 3px;
  background: var(--brand-azure);
}

.thought-hero h1,
.screen-shell h1 {
  max-width: 780px;
  margin: 0;
  color: var(--brand-purple);
  font-size: clamp(42px, 5.2vw, 66px);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.02;
  text-wrap: balance;
}

.thought-lede,
.screen-lede {
  max-width: var(--brand-measure);
  color: var(--brand-text-secondary);
  font-size: clamp(17px, 1.6vw, 20px);
}

.thought-lede {
  margin: 24px 0 0;
}

.thought-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-actions {
  margin-top: 30px;
}

.thought-button {
  min-height: var(--brand-tap-min);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border: 1px solid var(--brand-azure);
  border-radius: 0;
  background: var(--brand-azure);
  color: var(--brand-white);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
}

.thought-button:hover {
  border-color: var(--brand-azure-deep);
  background: var(--brand-azure-deep);
}

.thought-button:active {
  transform: translateY(1px);
}

.thought-button.secondary {
  border-color: var(--brand-azure-deep);
  background: var(--brand-white);
  color: var(--brand-azure-deep);
}

.thought-button.secondary:hover {
  background: var(--brand-ice);
}

.thought-button:disabled {
  border-color: var(--brand-border);
  background: var(--brand-border);
  color: var(--brand-text-muted);
  cursor: not-allowed;
  transform: none;
}

.thought-proof {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.thought-proof span {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border: var(--brand-rule);
  background: var(--brand-ice);
  color: var(--brand-text-secondary);
  font-size: 9px;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.thought-details {
  max-width: var(--brand-measure);
  margin-top: 24px;
  border-top: var(--brand-rule);
  border-bottom: var(--brand-rule);
}

.thought-details summary {
  min-height: var(--brand-tap-min);
  display: flex;
  align-items: center;
  color: var(--brand-azure-deep);
  font-weight: 700;
  cursor: pointer;
}

.thought-details p {
  margin: 0 0 16px;
  color: var(--brand-text-secondary);
  font-size: 14px;
}

.education-details {
  margin-top: 12px;
}

.education-copy {
  display: grid;
  gap: 2px;
  padding-top: 4px;
}

.education-copy p:last-child {
  margin-bottom: 18px;
}

.thought-preview {
  border: var(--brand-rule);
  border-top: var(--brand-keyline);
  background: var(--brand-clinical-lavender);
  padding: clamp(24px, 4vw, 48px);
}

.preview-label {
  color: var(--brand-text-muted);
  font-size: 9px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.preview-thought {
  margin: 26px 0;
  color: var(--brand-purple);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.12;
}

.preview-shift {
  padding: 22px 0;
  border-top: var(--brand-rule);
  border-bottom: var(--brand-rule);
}

.preview-shift span {
  color: var(--brand-text-muted);
  font-family: var(--brand-font-utility);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.preview-shift p {
  margin: 12px 0 6px;
  color: var(--brand-azure-deep);
  font-weight: 700;
}

.preview-shift strong {
  display: block;
  color: var(--brand-text);
  font-size: 19px;
}

.preview-note {
  margin: 20px 0 0;
  color: var(--brand-text-secondary);
  font-size: 14px;
}

.notice-box,
.example-note {
  padding: 16px;
  border-left: 3px solid var(--brand-azure);
  background: var(--brand-ice);
  color: var(--brand-text-secondary);
}

.screen-shell {
  max-width: 920px;
  margin: 0 auto;
}

.narrow-shell {
  max-width: 760px;
}

.screen-kicker {
  margin: 0 0 16px;
  color: var(--brand-azure-deep);
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.screen-shell h1 {
  font-size: clamp(38px, 4.8vw, 58px);
}

.screen-lede {
  margin: 22px 0 32px;
}

.field-label,
.influence-field legend,
.room-question legend,
.saved-values legend {
  display: block;
  margin-bottom: 9px;
  color: var(--brand-purple);
  font-size: 16px;
  font-weight: 800;
}

textarea,
input[type="text"] {
  width: 100%;
  border: 2px solid var(--brand-text-secondary);
  border-radius: 0;
  background: var(--brand-white);
  color: var(--brand-text);
}

textarea {
  min-height: 126px;
  padding: 16px;
  resize: vertical;
  font-size: 18px;
  line-height: 1.5;
}

input[type="text"] {
  min-height: 52px;
  padding: 10px 14px;
}

input::placeholder,
textarea::placeholder {
  color: var(--brand-text-muted);
  opacity: 1;
}

.field-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 7px;
  color: var(--brand-text-muted);
  font-size: 12px;
}

.field-help {
  margin: 7px 0 0;
  color: var(--brand-text-secondary);
  font-size: 13px;
}

.action-starters {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.starter-label {
  color: var(--brand-text-muted);
  font-family: var(--brand-font-utility);
  font-size: 9px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.starter-button {
  min-height: 38px;
  padding: 7px 10px;
  border: 1px solid var(--brand-border);
  border-radius: 0;
  background: var(--brand-ice);
  color: var(--brand-azure-deep);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}

.starter-button:hover {
  border-color: var(--brand-azure);
  background: var(--brand-clinical-lavender);
  color: var(--brand-purple);
}

.action-label {
  margin-top: 28px;
}

.split-actions {
  justify-content: space-between;
  margin-top: 34px;
  padding-top: 22px;
  border-top: var(--brand-rule);
}

.thought-quote {
  margin: 0 0 32px;
  padding: 24px;
  border-left: 3px solid var(--brand-azure);
  background: var(--brand-ice);
  color: var(--brand-purple);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  line-height: 1.25;
}

.influence-field,
.room-question,
.saved-values {
  margin: 0;
  padding: 0;
  border: 0;
}

.scale-anchors {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  color: var(--brand-text-muted);
  font-size: 12px;
}

.number-scale {
  display: grid;
  grid-template-columns: repeat(11, minmax(44px, 1fr));
  gap: 5px;
}

.number-scale label,
.room-options label,
.value-choice {
  position: relative;
  cursor: pointer;
}

.number-scale input,
.room-options input,
.value-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.number-scale span,
.room-options span,
.value-choice span {
  min-height: var(--brand-tap-min);
  display: grid;
  place-items: center;
  border: 1px solid var(--brand-border);
  background: var(--brand-white);
  color: var(--brand-text);
  font-weight: 700;
}

.number-scale input:focus-visible + span,
.room-options input:focus-visible + span,
.value-choice input:focus-visible + span {
  outline: 3px solid var(--brand-azure);
  outline-offset: 2px;
}

.number-scale input:checked + span,
.room-options input:checked + span,
.value-choice input:checked + span {
  border-color: var(--brand-purple);
  background: var(--brand-clinical-lavender);
  color: var(--brand-purple);
}

.scale-note {
  margin: 14px 0 0;
  color: var(--brand-text-secondary);
  font-size: 13px;
}

.influence-output {
  display: block;
  margin-top: 6px;
  color: var(--brand-azure-deep);
  font-family: var(--brand-font-utility);
  font-size: 10px;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.thought-stage {
  min-height: 300px;
  overflow: hidden;
  display: grid;
  place-content: center;
  padding: clamp(26px, 5vw, 60px);
  border: var(--brand-rule);
  border-top: var(--brand-keyline);
  background: var(--brand-ice);
  text-align: center;
}

.frame-prefix {
  margin-bottom: 18px;
  color: var(--brand-azure-deep);
  font-family: var(--brand-font-utility);
  font-size: 12px;
  letter-spacing: .04em;
}

.frame-thought {
  max-width: 760px;
  margin: 0;
  color: var(--brand-purple);
  font-size: clamp(30px, 5vw, 58px);
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1.08;
  overflow-wrap: anywhere;
  transition: transform .35s ease, opacity .35s ease, letter-spacing .35s ease;
}

.thought-stage[data-treatment="wide"] .frame-thought {
  letter-spacing: .12em;
}

.thought-stage[data-treatment="small"] .frame-thought {
  transform: scale(.62);
}

.thought-stage[data-treatment="edge"] .frame-thought {
  transform: translateX(12%) scale(.82);
  opacity: .78;
}

.unhook-button {
  margin-top: 18px;
}

.form-controls,
.room-question,
.saved-values {
  margin-top: 26px;
  padding: 22px;
  border: var(--brand-rule);
  background: var(--brand-white);
}

.control-label {
  margin: 0 0 12px;
  color: var(--brand-text-secondary);
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.treatment-buttons,
.room-options,
.saved-values-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.treatment-buttons button {
  min-height: var(--brand-tap-min);
  padding: 8px 10px;
  border: 1px solid var(--brand-azure-deep);
  background: var(--brand-white);
  color: var(--brand-azure-deep);
  font-weight: 700;
  cursor: pointer;
}

.treatment-buttons button[aria-pressed="true"] {
  background: var(--brand-clinical-lavender);
  color: var(--brand-purple);
  border-color: var(--brand-purple);
}

.room-question p,
.saved-values p {
  margin: 12px 0 0;
  color: var(--brand-text-secondary);
  font-size: 13px;
}

.saved-values-list {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.finish-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  flex-wrap: wrap;
}

.result-summary {
  margin-top: 32px;
  border-top: 3px solid var(--brand-azure);
  border-bottom: var(--brand-rule);
}

.result-readout {
  margin-top: 24px;
  padding: 18px 20px;
  border-left: 3px solid var(--brand-purple);
  background: var(--brand-clinical-lavender);
}

.result-readout-label {
  color: var(--brand-purple);
  font-family: var(--brand-font-utility);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.result-readout p {
  margin: 7px 0 0;
  color: var(--brand-text);
  font-size: 15px;
  line-height: 1.5;
}

.result-row {
  display: grid;
  grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr);
  gap: 22px;
  padding: 20px 0;
  border-bottom: var(--brand-rule);
}

.result-row:last-child {
  border-bottom: 0;
}

.result-row span {
  color: var(--brand-azure-deep);
  font-size: 9px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.result-row strong {
  color: var(--brand-purple);
  font-size: 19px;
  overflow-wrap: anywhere;
}

.result-principle {
  margin-top: 30px;
  padding: 24px;
  border-left: 3px solid var(--brand-azure);
  background: var(--brand-ice);
}

.result-principle strong {
  color: var(--brand-purple);
}

.result-principle p,
.clear-note {
  color: var(--brand-text-secondary);
}

.result-principle p {
  margin: 7px 0 0;
}

.clear-note {
  margin: 24px 0 0;
  font-size: 13px;
}

.result-actions {
  margin-top: 20px;
}

.thought-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, .8fr);
  gap: var(--brand-gap);
  padding: 28px var(--brand-page-pad);
  border-top: var(--brand-rule);
  background: var(--brand-ice);
  color: var(--brand-text-secondary);
  font-size: 12px;
}

.footer-identity {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-identity strong {
  color: var(--brand-purple);
}

.footer-notes {
  display: grid;
  justify-items: end;
  text-align: right;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  margin-top: 8px;
}

/* The kit sets --brand-tap-min as a floor, not a suggestion. These were 19px
 * tall, which is a miss on a phone - and the footer is the only cross-tool
 * navigation below 680px, where the header links are hidden. */
.footer-links a {
  display: inline-flex;
  align-items: center;
  min-height: var(--brand-tap-min);
  color: var(--brand-azure-deep);
  font-weight: 700;
  text-underline-offset: 3px;
}

@media (max-width: 900px) {
  .thought-guide-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    padding: 12px 0;
  }

  .thought-track {
    grid-column: 1 / -1;
    grid-row: 2;
  }

  .exit-button {
    grid-column: 2;
    grid-row: 1;
  }

  .thought-hero {
    min-height: auto;
    grid-template-columns: 1fr;
  }

  .thought-preview {
    max-width: 720px;
  }

  .number-scale {
    grid-template-columns: repeat(6, minmax(44px, 1fr));
  }

  .saved-values-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .thought-top {
    padding-inline: 18px;
  }

  .thought-nav-links a:not([aria-current="page"]) {
    display: none;
  }

  .thought-guide-inner,
  .thought-wrap {
    width: calc(100% - 36px);
  }

  .thought-status span:last-child {
    display: none;
  }

  .thought-track {
    gap: 2px;
  }

  .thought-step {
    font-size: 7px;
  }

  .thought-wrap > section {
    padding: 36px 0 48px;
  }

  .thought-hero {
    gap: 34px;
  }

  .thought-hero h1,
  .screen-shell h1 {
    font-size: clamp(36px, 11vw, 48px);
  }

  .thought-actions,
  .split-actions,
  .finish-actions,
  .result-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .thought-button,
  .finish-actions,
  .finish-actions .thought-button,
  .text-button {
    width: 100%;
  }

  .number-scale {
    grid-template-columns: repeat(4, minmax(44px, 1fr));
  }

  .treatment-buttons,
  .room-options,
  .saved-values-list {
    grid-template-columns: 1fr 1fr;
  }

  .thought-stage[data-treatment="edge"] .frame-thought {
    transform: translateX(6%) scale(.82);
  }

  .result-row,
  .thought-footer {
    grid-template-columns: 1fr;
  }

  .footer-notes {
    justify-items: start;
    text-align: left;
    gap: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .thought-top,
  .thought-guide,
  .thought-actions,
  .thought-footer {
    display: none !important;
  }

  .thought-wrap {
    width: 100%;
  }
}