/* 刺激エンジン詳細ページ（日英共通）。atlas.css のトークンと部品（masthead・section・facts・
   loop・ethics-note・btn・footer）の上に、詳細ページだけの配置を足す。
   動きは定義しない：本文・状態・コピー結果は静止した HTML だけで読める。 */

.engine-masthead {
  padding-bottom: 8px;
}

.engine-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 2px 0;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  font-size: 13px;
  color: var(--ink-2);
}

.engine-breadcrumb li:not(:last-child)::after {
  content: "›" / "";
  margin: 0 8px;
  color: var(--rule-strong);
}

.engine-breadcrumb a {
  display: inline-block;
  padding: 4px 0;
  text-underline-offset: 4px;
}

.engine-breadcrumb a[aria-current="page"] {
  text-decoration: none;
  color: var(--ink);
  font-weight: 700;
}

.engine-hero {
  max-width: 60em;
  padding: 18px 0 26px;
}

.engine-hero__eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 10px;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--ink-2);
}

.engine-hero__eyebrow code {
  color: var(--ink);
}

.engine-hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(30px, 4.6vw, 58px);
  font-weight: 700;
  line-height: 1.15;
}

.engine-hero__catch {
  margin: 14px 0 0;
  padding-left: 12px;
  border-left: 4px solid var(--signal);
  font-family: var(--font-serif);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.5;
}

.engine-hero__summary {
  margin: 12px 0 0;
  max-width: 62ch;
  font-size: 16px;
}

.engine-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 var(--gutter) 48px;
}

.engine-facts {
  max-width: 60em;
}

.engine-facts > div {
  grid-template-columns: minmax(0, 11em) minmax(0, 1fr);
}

.engine-facts__en {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-2);
}

.engine-section .ethics-note {
  max-width: 60em;
  margin-top: 16px;
}

.engine-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: engine-step;
}

.engine-steps li {
  position: relative;
  padding: 12px 14px 14px 46px;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--signal);
  background: var(--paper-hi);
  counter-increment: engine-step;
}

.engine-steps li::before {
  content: counter(engine-step, decimal-leading-zero);
  position: absolute;
  top: 13px;
  left: 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
}

.engine-steps h3 {
  margin: 0 0 4px;
  font-size: 15px;
  line-height: 1.5;
}

.engine-steps p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
}

.engine-steps--feedback li {
  border-left-color: var(--ink);
}

.engine-steps--feedback li::before {
  color: var(--ink-2);
}

.engine-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 12px;
}

.engine-card-box {
  padding: 14px 16px;
  border: 1px solid var(--rule);
  background: var(--paper-hi);
}

.engine-card-box h3 {
  margin: 0 0 6px;
  font-size: 15px;
}

.engine-card-box p,
.engine-card-box ul {
  margin: 0;
  font-size: 14.5px;
}

.engine-card-box ul {
  padding-left: 1.2em;
}

.engine-card-box--boundary {
  border-left: 5px solid var(--signal);
  background: var(--signal-tint);
}

.engine-anchor {
  display: block;
  position: relative;
  top: calc(-1 * var(--toolbar-h));
}

.engine-sample {
  display: grid;
  grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: 20px 40px;
  align-items: start;
}

.engine-sample__frame {
  margin: 0;
  padding: 8px;
  background: var(--deck);
}

.engine-sample__frame video {
  display: block;
  width: 100%;
  max-height: 72vh;
  aspect-ratio: 9 / 16;
  object-fit: contain;
  background: #000;
}

.engine-sample__meta {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-2);
}

.engine-sample__text {
  max-width: 62ch;
}

.engine-sample__text h3 {
  margin: 20px 0 6px;
  font-size: 15px;
}

.engine-examples__list {
  margin: 0 0 12px;
  padding-left: 1.2em;
}

.engine-themes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
  gap: 12px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.engine-theme {
  padding: 14px 16px;
  border: 1px solid var(--rule);
  border-top: 3px solid var(--ink);
  background: var(--paper-hi);
}

.engine-theme h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 19px;
}

.engine-theme__vocab {
  margin: 4px 0 8px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.engine-theme__links {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin: 0;
}

.engine-theme__links a,
.engine-section > p > a:not(.btn) {
  display: inline-block;
  min-height: 32px;
  padding: 4px 0;
  font-size: 14px;
  text-underline-offset: 4px;
}

.engine-prompt__note {
  margin: 0 0 10px;
  font-size: 13.5px;
  color: var(--ink-2);
}

.engine-prompt {
  max-width: 100%;
  margin: 0;
  padding: 16px 18px;
  background: var(--deck);
  color: var(--deck-ink);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.engine-prompt:focus-visible {
  outline-color: var(--phosphor);
}

.engine-prompt__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 0;
}

.engine-prompt__status {
  min-height: 1.75em;
  margin: 8px 0 0;
  font-weight: 700;
}

.engine-pager {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 48px;
  padding-top: 12px;
  border-top: 2px solid var(--ink);
}

.engine-pager a {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 48px;
  padding: 6px 0;
  font-weight: 700;
  text-underline-offset: 4px;
}

.engine-pager a:nth-child(2) {
  text-align: center;
}

.engine-pager a:last-child {
  text-align: right;
}

.engine-pager span {
  font-size: 12px;
  font-weight: 400;
  color: var(--ink-2);
}

@media (max-width: 759px) {
  .engine-sample {
    grid-template-columns: minmax(0, 1fr);
  }

  .engine-sample__frame {
    max-width: 340px;
  }

  .engine-facts > div {
    grid-template-columns: minmax(0, 1fr);
  }

  .engine-pager {
    grid-template-columns: minmax(0, 1fr);
  }

  .engine-pager a,
  .engine-pager a:nth-child(2),
  .engine-pager a:last-child {
    text-align: left;
  }
}