/* Speaker notes — hidden globally; presenter view reads textContent into the pane. */
aside.notes { display: none; }

/* Presenter view — classic split. Deck occupies left 60vw, right 40vw pane
   holds next preview / notes. Timer and nav live below the deck on the left. */
#presenter-pane[hidden] { display: none; }
#presenter-controls[hidden] { display: none; }

body.mode-presenter #presenter-pane {
  display: flex;
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 40vw;
  z-index: 50;
  background: var(--bg);
  border-left: 1px solid var(--rule);
  padding: 2vh 2.5vw;
  flex-direction: column;
  gap: 2vh;
}

body.mode-presenter #presenter-controls {
  display: flex;
  position: fixed;
  bottom: 10px;
  left: 0;
  width: 60vw;
  z-index: 50;
  background: var(--bg);
  padding: 0 1.5vw;
  flex-direction: row;
  align-items: center;
  gap: 1vw;
  font-size: 0.55rem;
}
body.mode-presenter #timer {
  font-size: inherit;
  padding: 0;
}
body.mode-presenter #timer-reset {
  font-size: inherit;
  padding: 0.15em 0.5em;
}
body.mode-presenter #presenter-nav {
  margin-left: auto;
}
body.mode-presenter #presenter-nav button {
  font-size: inherit;
  padding: 0.15em 0.8em;
}

body.mode-presenter #deck {
  position: fixed;
  top: 50%;
  left: 0;
  transform: translateY(-50%);
  width: 60vw;
  height: 33.75vw;
  overflow: hidden;
}
body.mode-presenter section {
  width: 100vw;
  height: 56.25vw;
  transform: scale(0.6);
  transform-origin: top left;
}
body.mode-presenter > footer,
body.mode-presenter #chapters {
  width: 60vw;
}
body.mode-presenter #chapters { right: 40vw; }
body.mode-presenter > footer  {
  right: 40vw;
  bottom: calc(1.2rem + 10px);
}

body.mode-presenter.overview #deck {
  width: 100%;
  height: auto;
  overflow: visible;
}
body.mode-presenter.overview section {
  width: 100%;
  height: auto;
  transform: none;
}

#timer {
  display: flex;
  align-items: baseline;
  gap: 0.4em;
  font-size: 1.4rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  letter-spacing: 0.04em;
  padding: 0.4em 0.6em;
}
#timer .sep { color: var(--rule); font-weight: 400; }
#timer-target {
  width: 3.8em;
  font: inherit;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-bottom: 1px solid transparent;
  padding: 0;
  outline: none;
}
#timer-target:focus { border-bottom-color: var(--rule); }

#timer-reset {
  margin-left: auto;
  font: inherit;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.3em 0.7em;
  cursor: pointer;
}
#timer-reset:hover { background: var(--ink); color: var(--bg); }

body.overtime #timer {
  background: var(--ink);
  color: var(--bg);
}
body.overtime #timer .sep,
body.overtime #timer-target { color: var(--bg); opacity: 0.6; }
body.overtime #timer-target:focus { border-bottom-color: var(--bg); }
body.overtime #timer-reset { border-color: var(--bg); color: var(--bg); }
body.overtime #timer-reset:hover { background: var(--bg); color: var(--ink); }

.pane-label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--rule);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.4em;
}

#next-preview-wrap { display: flex; flex-direction: column; }
#next-preview {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  overflow: hidden;
  position: relative;
  background: var(--bg);
}

/* Cloned next-section is rendered at full viewport size, then scale-transformed
   to fit. transform-origin top-left + container overflow:hidden = clean clip. */
#next-preview > section.preview {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex !important;
  transform: scale(0.36);
  transform-origin: top left;
  pointer-events: none;
}
#next-preview > section.preview > footer { display: none; }   /* citation noise in mini */
#next-preview > section.preview aside.notes { display: none; }

#presenter-notes-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
#presenter-notes {
  flex: 1;
  overflow-y: auto;
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--ink);
  white-space: pre-wrap;
  padding-top: 0.4em;
}
#presenter-notes:empty::before {
  content: "(no notes for this slide)";
  color: var(--rule);
  font-style: italic;
}

#presenter-nav {
  display: flex;
  gap: 0.5em;
  flex-shrink: 0;
}
#presenter-nav button {
  flex: 1;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--rule);
  color: var(--ink);
  padding: 0.5em 0;
  cursor: pointer;
  letter-spacing: 0.05em;
}
#presenter-nav button:hover  { background: var(--ink); color: var(--bg); }
#presenter-nav button:active { opacity: 0.7; }

/* Mobile presenter view — current slide on top, notes below.
   Timer and next-slide preview are hidden because there's no room. */
@media (max-width: 768px) {
  body.mode-presenter #deck {
    position: static;
    top: auto;
    transform: none;
    width: 100vw;
    height: 56.25vw;
  }
  body.mode-presenter section {
    width: 100vw;
    height: 56.25vw;
    transform: none;
  }
  body.mode-presenter #chapters {
    width: 100vw;
  }
  body.mode-presenter #chapters { right: 0; }
  body.mode-presenter footer { display: none; }

  body.mode-presenter #presenter-pane {
    top: 56.25vw;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100vw;
    height: auto;
    border-left: none;
    border-top: 1px solid var(--rule);
    padding: 1.5vh 5vw 2vh;
    gap: 0;
  }

  body.mode-presenter #presenter-controls,
  body.mode-presenter #next-preview-wrap {
    display: none;
  }

  body.mode-presenter #presenter-notes-wrap { flex: 1; min-height: 0; }
  body.mode-presenter #presenter-notes {
    font-size: 0.85rem;
    line-height: 1.45;
  }
}