@import url("./common.css?v=20260615-bring-return-flow");

/* Deck viewport and slide frame */
html, body { margin: 0; min-height: 100%; background: #111; color: var(--ink); font-family: var(--sans); }
body { overflow: hidden; }
.deck {
  height: 100vh;
  width: 100vw;
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,.035) 1px, transparent 1px),
    radial-gradient(circle at 10% 15%, rgba(255,216,100,.09), transparent 26%),
    radial-gradient(circle at 90% 85%, rgba(111,232,255,.1), transparent 32%),
    #101214;
  background-size: 42px 42px, 42px 42px, auto, auto, auto;
}
.slide {
  width: 1280px;
  height: 720px;
  aspect-ratio: 16 / 9;
  display: none;
  position: absolute;
  left: 50%;
  top: 50%;
  overflow: hidden;
  background: var(--bg);
  padding: 56px 68px;
  isolation: isolate;
  transform: translate(-50%, -50%) scale(var(--deck-scale, 1));
  transform-origin: center;
}
.slide.active { display: block; }

.slide.active:has(> .slide-body):not(.cover):not(.divider) {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
}

.slide-body {
  min-height: 0;
  width: 100%;
  display: grid;
  align-content: center;
  justify-items: stretch;
}

.slide-body > :first-child {
  margin-top: 0 !important;
}

.slide-body > .source-note {
  align-self: end;
}

.slide.cover {
  background:
    linear-gradient(90deg, rgba(255,216,100,.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,216,100,.06) 1px, transparent 1px),
    radial-gradient(circle at 72% 46%, rgba(111,232,255,.11), transparent 20%),
    linear-gradient(135deg, #07090a, #15191c 65%, #0d0f10);
  background-size: 42px 42px, 42px 42px, auto, auto;
  color: #fff;
  padding: 76px 78px;
}

.slide.cover.bridge h1 {
  max-width: 900px;
  font-size: 80px;
  line-height: 1.02;
}

.slide.cover.bridge > p {
  margin-top: 22px;
  max-width: 1080px;
}

.slide.divider {
  background:
    linear-gradient(90deg, rgba(111,232,255,.08) 1px, transparent 1px),
    linear-gradient(0deg, rgba(111,232,255,.055) 1px, transparent 1px),
    radial-gradient(circle at 80% 50%, rgba(255,216,100,.13), transparent 22%),
    linear-gradient(135deg, #080b0d, #151a1e 62%, #0b0e10);
  background-size: 42px 42px, 42px 42px, auto, auto;
  color: #fff;
  padding: 74px 78px;
  display: none;
}

.slide.divider.active { display: grid; }

.divider-inner {
  height: 100%;
  display: grid;
  align-content: center;
  gap: 18px;
  position: relative;
}

.divider-inner::before,
.divider-inner::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent 74%);
}

.divider-inner::before { top: 0; }
.divider-inner::after { bottom: 0; }

.divider-code {
  font-family: var(--mono);
  color: var(--yellow);
  font-size: 17px;
  letter-spacing: .12em;
}

.divider-title {
  font-family: Consolas, "SFMono-Regular", "Cascadia Code", "Menlo", monospace;
  font-size: 104px;
  line-height: .9;
  letter-spacing: 0;
  max-width: none;
}

.divider-caption {
  color: rgba(245,248,245,.68);
  font-size: 24px;
  max-width: 720px;
}

/* Shared deck chrome */
.topbar {
  position: absolute;
  left: 68px;
  right: 68px;
  top: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  font-size: 15px;
  color: var(--muted);
  letter-spacing: .02em;
}
.brand-mini { display: flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; }
.brand-mini img { width: 28px; height: 28px; border-radius: var(--radius); object-fit: cover; }
.page-no { font-family: var(--mono); color: #8b929a; }

.slide:not(.cover):not(.divider) > .kicker {
  margin-top: 14px;
  margin-bottom: 14px;
  padding-left: 40px;
}

.slide:not(.cover):not(.divider) > .kicker::before {
  display: none;
}

/* Presentation controls */
.nav {
  position: fixed;
  right: 28px;
  bottom: 22px;
  z-index: 20;
  display: flex;
  gap: 10px;
  align-items: center;
  background: rgba(0,0,0,.46);
  color: #fff;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius);
  padding: 9px 12px;
  backdrop-filter: blur(10px);
  font-size: 13px;
}
.nav button {
  border: 0;
  border-radius: var(--radius);
  padding: 8px 11px;
  background: rgba(255,255,255,.1);
  color: #fff;
  cursor: pointer;
}
.nav button:hover { background: rgba(255,255,255,.2); }
.progressbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 4px;
  background: rgba(255,255,255,.12);
  z-index: 21;
}
.progressbar span { display: block; height: 100%; width: 0; background: var(--yellow); transition: width .2s ease; }

/* Print/export mode */
@page {
  size: 1280px 720px;
  margin: 0;
}

@media print {
  * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  html,
  body {
    width: 1280px;
    min-height: 720px;
    overflow: visible;
    background: white;
  }
  .deck {
    display: block;
    width: 1280px;
    height: auto;
    overflow: visible;
    background: white;
  }
  .slide {
    display: block !important;
    position: relative;
    left: auto;
    top: auto;
    width: 1280px;
    height: 720px;
    transform: none;
    break-after: page;
    page-break-after: always;
  }
  .slide.divider {
    display: grid !important;
  }
  .nav, .progressbar { display: none; }
}