body:has(#trainingView.active) .topbar .actions { display: none; }
.training-layout { display: grid; grid-template-columns: 208px minmax(0, 1fr); gap: 36px; max-width: 1220px; }
.training-sidebar { position: sticky; top: 24px; align-self: start; max-height: calc(100dvh - 48px); overflow-y: auto; padding-right: 20px; border-right: 1px solid var(--line); }
.training-index-heading { padding-bottom: 22px; }
.training-index-heading h2 { font-size: 15px; line-height: 1.45; margin-bottom: 8px; }
.training-index-heading span { font-size: 12px; }
.training-group { font-size: 11px; color: var(--muted); padding: 18px 8px 8px; }
.training-group:first-child { padding-top: 0; }
.training-lesson-link { display: grid; grid-template-columns: 22px minmax(0,1fr); gap: 10px; width: 100%; min-height: 48px; padding: 10px 8px; border: 0; border-radius: 6px; background: transparent; color: var(--muted); text-align: left; font-size: 13px; line-height: 1.4; }
.training-lesson-link > span:first-child { font-size: 11px; font-variant-numeric: tabular-nums; padding-top: 2px; }
.training-lesson-link[aria-current] { background: var(--soft); color: var(--ink); }
.training-lesson-link[aria-current] > span:first-child { color: var(--accent-2); }
.training-reader { min-width: 0; max-width: 830px; }
.training-mobile-select { display: none; }
.training-meta { display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 12px; margin-bottom: 14px; font-variant-numeric: tabular-nums; }
.training-article-heading h2 { font-size: 28px; line-height: 1.25; margin-bottom: 14px; overflow-wrap: anywhere; }
.training-article-heading > p { color: var(--muted); line-height: 1.6; font-size: 15px; max-width: 620px; }
.training-figure { margin: 26px 0 30px; }
.training-shot { position: relative; background: var(--raised); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.training-shot img { display: block; width: 100%; height: 280px; object-fit: contain; }
.training-shot button { position: absolute; right: 10px; bottom: 10px; width: 44px; height: 44px; background: var(--panel); color: var(--ink); border: 1px solid var(--line); box-shadow: var(--shadow); }
.icon-maximize { mask-image: url('assets/icons/maximize.svg'); }
.training-figure figcaption { font-size: 12px; line-height: 1.5; color: var(--muted); padding-top: 10px; }
.training-steps { list-style: none; counter-reset: training-step; display: grid; gap: 26px; margin: 0; padding: 0; }
.training-steps > li { position: relative; counter-increment: training-step; padding-left: 46px; }
.training-steps > li::before { content: counter(training-step, decimal-leading-zero); position: absolute; top: 0; left: 0; width: 30px; height: 30px; display: grid; place-items: center; font-size: 11px; font-weight: 600; font-variant-numeric: tabular-nums; background: var(--soft); color: var(--accent-2); border-radius: 4px; }
.training-reader h3 { font-size: 16px; line-height: 1.4; margin: 0 0 8px; }
.training-reader p { line-height: 1.65; }
.training-steps p { color: var(--muted); }
.training-callout { display: flex; align-items: flex-start; gap: 14px; border-left: 3px solid var(--accent); padding: 20px 22px; margin: 30px 0; background: var(--soft); }
.training-callout .ui-icon { margin-top: 2px; color: var(--accent-2); }
.training-callout h3 { font-size: 14px; }
.training-callout p { color: var(--muted); font-size: 13px; }
.training-practice { margin-top: 24px; }
.training-practice button { max-width: 100%; min-height: 44px; white-space: normal; }
.training-pagination { margin-top: 32px; border-top: 1px solid var(--line); padding-top: 20px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; }
.training-pagination button { width: fit-content; min-height: 44px; }
.training-pagination button:last-child { justify-self: end; }
.training-pagination > span { font-size: 12px; color: var(--muted); }
.training-device-section { border-top: 1px solid var(--line); padding-top: 22px; margin-bottom: 30px; }
.training-device-tabs { display: flex; gap: 4px; background: var(--raised); border: 1px solid var(--line); border-radius: 6px; padding: 4px; margin: 16px 0; max-width: 340px; }
.training-device-tabs button { flex: 1; min-height: 44px; color: var(--muted); background: transparent; border: 0; }
.training-device-tabs button[aria-selected="true"] { background: var(--panel); color: var(--ink); }
#trainingDevicePanel ol { margin: 0; padding-left: 22px; display: grid; gap: 12px; color: var(--muted); line-height: 1.65; }
.training-steps-title { padding-bottom: 16px; }
.training-checks { margin-top: 28px; }
.training-checks details { border-bottom: 1px solid var(--line); }
.training-checks summary { cursor: pointer; padding: 16px 0; min-height: 44px; line-height: 1.5; }
.training-checks details p { color: var(--muted); padding-bottom: 16px; }
.training-sources { display: grid; gap: 10px; font-size: 12px; margin-top: 30px; color: var(--muted); overflow-wrap: anywhere; }
.training-sources a { width: fit-content; padding: 8px 0; }
.training-status { min-height: 300px; padding: 24px 0; color: var(--muted); }
.training-status button { margin-top: 16px; }
#trainingImageDialog { width: min(1200px,calc(100% - 40px)); max-width: calc(100% - 40px); }
.training-image-heading { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 20px; border-bottom: 1px solid var(--line); background: var(--panel); }
.training-image-heading h2 { font-size: 16px; overflow-wrap: anywhere; }
.training-image-heading button { flex-shrink: 0; width: 44px; height: 44px; }
.training-image-content { overflow: auto; padding: 16px; }
.training-image-content img { display: block; width: 100%; min-width: 720px; height: auto; }
@media (max-width: 1150px) { .training-layout { grid-template-columns: 180px minmax(0,1fr); gap: 24px; } .training-sidebar { padding-right: 12px; } }
@media (max-width: 800px) {
  .training-layout { display: block; }
  .training-sidebar { display: none; }
  .training-mobile-select { display: grid; gap: 8px; margin-bottom: 26px; font-size: 12px; color: var(--muted); }
  .training-mobile-select select { min-height: 48px; max-width: 100%; font-size: 13px; }
  .training-article-heading h2 { font-size: 24px; }
  .training-shot img { height: 230px; }
  #trainingImageDialog { width: 100%; max-width: 100%; height: 100dvh; max-height: 100dvh; margin: 0; border: 0; border-radius: 0; }
  .training-image-heading { padding-top: max(16px,env(safe-area-inset-top)); }
}
@media (max-width: 420px) {
  .training-shot img { height: 190px; }
  .training-callout { padding: 16px; gap: 10px; }
  .training-steps > li { padding-left: 40px; }
  .training-pagination { gap: 8px; }
  .training-pagination button { padding: 10px; }
}
@media print { #trainingView, #trainingImageDialog { display: none !important; } }