/* Рендер слайда (engine/render.js). Слайд всегда 1280×720, масштабируется transform. */
.sl {
  position: absolute;
  left: 0;
  top: 0;
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
.sl .d,
.sl .c {
  position: absolute;
  box-sizing: border-box;
}
.sl .tx {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: manual;
}
.sl .ti {
  white-space: pre-wrap;
  outline: none;
  min-height: 1em;
  flex: 0 0 auto;
}
.sl .tx.list .ti {
  white-space: normal;
}
.sl .li {
  position: relative;
  white-space: pre-wrap;
}
.sl .li + .li {
  margin-top: 0.45em;
}
.sl .tx.bul .li {
  padding-left: 1.15em;
}
.sl .tx.bul .li::before {
  content: var(--b);
  position: absolute;
  left: 0;
  top: 0;
  width: 1.15em;
  color: var(--bc);
  transform: scale(var(--bs, 1));
  transform-origin: 0.25em 0.62em;
}
.sl .tx.num .ti {
  counter-reset: n;
}
.sl .tx.num .li {
  counter-increment: n;
  padding-left: 1.75em;
}
.sl .tx.num .li::before {
  content: counter(n, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--nf);
  font-weight: 700;
  color: var(--bc);
  font-size: 0.82em;
  line-height: 1.68;
}
.sl .im {
  background-size: cover;
  background-position: center;
  overflow: hidden;
}
.sl .im .credit {
  position: absolute;
  left: 10px;
  bottom: 10px;
  max-width: calc(100% - 20px);
  padding: 3px 8px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.55);
  color: #fff;
  font: 500 11px/1.3 system-ui, sans-serif;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sl .im-hint {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font: 600 18px/1.2 system-ui, sans-serif;
  opacity: 0.75;
}

/* --- режим правки --- */
.sl.editing .ti[contenteditable] {
  cursor: text;
  user-select: text;
  border-radius: 4px;
  transition: box-shadow 0.15s;
}
.sl.editing .tx:hover .ti[contenteditable] {
  box-shadow: 0 0 0 2px rgba(80, 140, 255, 0.35);
}
.sl.editing .ti[contenteditable]:focus {
  box-shadow: 0 0 0 2px rgba(80, 140, 255, 0.9);
}
.sl.editing .ti:empty::before {
  content: attr(data-ph);
  opacity: 0.38;
  pointer-events: none;
}
.sl.editing .im-edit {
  cursor: pointer;
}
.sl.editing .im-edit:hover {
  box-shadow: inset 0 0 0 3px rgba(80, 140, 255, 0.9);
}

/* рамка, в которую вписывается слайд */
.frame {
  position: relative;
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

/* печать / PDF: каждый слайд — отдельная страница 16:9 */
#print-root {
  display: none;
}
@media print {
  @page {
    size: 1280px 720px;
    margin: 0;
  }
  html,
  body {
    margin: 0 !important;
    padding: 0 !important;
    background: #fff !important;
  }
  body > *:not(#print-root) {
    display: none !important;
  }
  #print-root {
    display: block !important;
  }
  #print-root .page {
    position: relative;
    width: 1280px;
    height: 720px;
    overflow: hidden;
    page-break-after: always;
    break-after: page;
  }
  #print-root .sl {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}