/* Public tool, guide and error layouts. Appearance comes from ECG's shared tokens. */
body.detail-page {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  background: radial-gradient(ellipse at 75% 0%, rgb(var(--ecg-ui-blue-rgb) / 7%), transparent 55%), var(--ecg-ui-bg);
  color: var(--ecg-ui-text);
  font: 15px/1.6 "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}
.detail-page .detail-shell {
  display: block;
  position: relative;
  width: 100%;
  max-width: 1200px;
  min-height: 0;
  margin: 0 auto;
  padding: 40px 24px 32px;
  box-sizing: border-box;
}
.detail-page .detail-narrow { max-width: 640px; padding-top: 64px; }
.detail-heading { margin-bottom: 28px; max-width: 680px; }
.detail-page h1, .detail-page h2, .detail-page p, .detail-page a, .detail-page small, .detail-page span, .detail-page strong {
  font-family: "Segoe UI", Arial, sans-serif;
  letter-spacing: normal;
  text-shadow: none;
}
.detail-page h1 { margin: 0 0 12px; font-size: clamp(27px, 3vw, 36px); line-height: 1.2; font-weight: 700; }
.detail-page h2 { margin: 12px 0; font-size: 25px; line-height: 1.3; font-weight: 700; }
.detail-page p { margin: 0 0 16px; color: var(--ecg-ui-muted); font-size: 15px; line-height: 1.6; }
.detail-page .detail-kicker { margin-bottom: 10px; color: var(--ecg-ui-silver); font-size: 12px; font-weight: 700; letter-spacing: .1em; }
.detail-card, .detail-page .video-player-card {
  padding: 28px;
  border: 1px solid var(--ecg-ui-border-soft);
  border-radius: var(--ecg-ui-radius-card);
  background: var(--ecg-ui-surface-end);
  box-shadow: inset 0 2px 6px rgb(0 0 0 / 25%);
}
.tool-card { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: 32px; align-items: center; }
.tool-art { display: grid; place-items: center; min-width: 0; padding: 20px; }
.tool-art img { display: block; max-width: 100%; height: auto; object-fit: contain; }
.tool-copy, .video-details { min-width: 0; }
.detail-badge { display: inline-block; padding: 5px 10px; border: 1px solid var(--ecg-ui-border-soft); border-radius: 7px; background: var(--ecg-ui-bg); color: var(--ecg-ui-silver); font-size: 12px; font-weight: 650; }
.detail-page .release-panel { display: grid; gap: 12px; min-width: 0; margin: 20px 0 0; padding: 20px; border: 1px solid var(--ecg-ui-border-soft); border-radius: 12px; background: var(--ecg-ui-bg); box-shadow: inset 0 2px 5px rgb(0 0 0 / 25%); }
.release-panel strong { color: var(--ecg-ui-text); font-size: 21px; line-height: 1.4; overflow-wrap: anywhere; }
.release-panel small { color: var(--ecg-ui-muted); font-size: 14px; }
.release-type { color: var(--ecg-ui-accent-soft); font-size: 12px; font-weight: 650; }
.detail-page .download-release { width: 100%; overflow-wrap: anywhere; }
.detail-page :is(.detail-action, .download-release, .youtube-button) { min-height: 54px; }
.detail-page .detail-note { margin: 20px 0 0; color: var(--ecg-ui-muted); font-size: 14px; line-height: 1.6; }
.detail-message { text-align: center; }
.detail-message .detail-action { width: 100%; margin-top: 24px; }
.detail-symbol { display: grid; place-items: center; width: 72px; height: 72px; margin: 0 auto 24px; border: 1px solid var(--ecg-ui-border-soft); border-radius: var(--ecg-ui-radius-card); background: var(--ecg-ui-bg); color: var(--ecg-ui-silver-bright); font-size: 26px; font-weight: 700; box-shadow: inset 0 2px 5px rgb(0 0 0 / 25%); }
.detail-page .crumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin: -10px 0 24px; padding: 0; color: var(--ecg-ui-muted); font-size: 13px; font-weight: 500; line-height: 1.5; }
.detail-page .crumb a { display: inline-flex; align-items: center; min-height: 44px; color: var(--ecg-ui-silver-bright); text-decoration: underline; text-underline-offset: 4px; }
.detail-page .video-guide-head { display: flex; align-items: center; gap: 24px; margin: 0 0 26px; padding: 0; }
.video-guide-head p:last-child { margin: 0; }
.video-guide-icon { flex: 0 0 100px; }
.video-guide-icon img { display: block; width: 100px; height: 100px; object-fit: contain; image-rendering: pixelated; }
.detail-page .route-warning { margin: 0 0 26px; padding: 18px 20px; border: 1px solid var(--ecg-ui-border-soft); border-left: 3px solid var(--ecg-ui-warning); border-radius: 12px; background: var(--ecg-ui-bg); box-shadow: inset 0 2px 5px rgb(0 0 0 / 20%); }
.route-warning strong { color: var(--ecg-ui-warning); font-size: 15px; }
.detail-page .route-warning p { margin: 8px 0 0; }
.detail-page .video-player-card { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 28px; align-items: center; }
.detail-page .video-player { position: relative; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; aspect-ratio: 16/9; min-height: 0; padding: 20px; border: 1px solid var(--ecg-ui-border-soft); border-radius: 12px; background: var(--ecg-ui-bg); overflow: hidden; text-align: center; }
.video-player img { width: 64px; height: 76px; object-fit: contain; image-rendering: pixelated; }
.video-player span { color: var(--ecg-ui-silver-bright); font-size: 14px; font-weight: 600; }
.video-player small { color: var(--ecg-ui-muted); font-size: 14px; }
.video-player iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.video-meta { color: var(--ecg-ui-muted); font-size: 12px; line-height: 1.6; }
.detail-page .youtube-button { width: 100%; margin-top: 20px; }
.detail-page [hidden] { display: none !important; }
.detail-page a:focus-visible { outline: 2px solid var(--ecg-ui-focus); outline-offset: 4px; }
.detail-page .detail-shell:focus { outline: none; }
.detail-skip { position: fixed; z-index: 10020; top: 12px; left: 12px; display: inline-flex; align-items: center; min-height: 44px; max-width: calc(100vw - 24px); padding: 10px 16px; border: 1px solid var(--ecg-ui-selected-border); border-radius: var(--ecg-ui-radius-control); background: var(--ecg-ui-selected-bg); color: var(--ecg-ui-selected-text); transform: translateY(-180%); }
.detail-skip:focus { transform: translateY(0); }
@media (max-width: 899px) {
  .detail-page .detail-shell { padding: 28px 16px; }
  .detail-page .detail-narrow { padding-top: 36px; }
  .tool-card { grid-template-columns: 1fr; gap: 18px; }
  .tool-art { padding: 0; }
  .tool-art img { width: 150px; height: 150px; }
  .detail-card, .detail-page .video-player-card { padding: 22px 18px; }
  .detail-page .video-guide-head { gap: 16px; }
  .video-guide-icon { flex-basis: 64px; }
  .video-guide-icon img { width: 64px; height: 75px; }
  .detail-page .video-player-card { grid-template-columns: 1fr; gap: 22px; }
  .detail-page .video-player { aspect-ratio: auto; min-height: 210px; }
  .detail-page.video-ready .video-player { aspect-ratio: 16/9; min-height: 0; }
  .detail-page .release-panel { padding: 16px; }
  .detail-page .detail-note { font-size: 15px; }
}
@media (max-width: 359px) {
  .detail-page .detail-card, .detail-page .video-player-card { padding: 18px 14px; }
  .detail-page .video-guide-head { gap: 12px; }
  .video-guide-icon { flex-basis: 48px; }
  .video-guide-icon img { width: 48px; height: 60px; }
}