/* PIN prompt — full-screen overlay shown on /presenter and /control until WS welcome. */
#pin-prompt[hidden] { display: none; }
#pin-prompt {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
}

#pin-form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: stretch;
  width: min(70vw, 24rem);
}

#pin-form label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--rule);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

#pin-input {
  font: inherit;
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  padding: 0.5em 0.6em;
  border: 0;
  border-bottom: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  text-align: center;
  outline: none;
}
#pin-input:focus { border-bottom-width: 2px; }

#pin-form button {
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 0.6em 1em;
  margin-top: 0.5rem;
  border: 1px solid var(--ink);
  background: var(--bg);
  color: var(--ink);
  cursor: pointer;
}
#pin-form button:hover { background: var(--ink); color: var(--bg); }

#pin-error {
  margin: 0;
  font-size: 0.75rem;
  color: var(--ink);
  min-height: 1.2em;
}

/* Remote — control-mode minimal UI. Vertical for one-handed phone use:
   counter on top, smaller prev button mid-upper, large next at bottom for thumb. */
#remote[hidden] { display: none; }
#remote {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 4vh 6vw 5vh;
  gap: 0;
}

#remote-counter {
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: 0.05em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 4vh;
}
#remote-counter .sep { color: var(--rule); margin: 0 0.4em; font-weight: 400; }

#remote button {
  font: inherit;
  font-weight: 400;
  padding: 0;
  cursor: pointer;
  border-radius: 0;
  -webkit-tap-highlight-color: transparent;
  transition: background 80ms, color 80ms;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}
#remote button:disabled {
  opacity: 0.35;
  cursor: default;
}

#remote-prev {
  width: 55%;
  height: 16vh;
  font-size: max(2rem, 9vmin);
  background: var(--ink);
  color: var(--bg);
  border: 1px solid var(--ink);
}
#remote-prev:active {
  background: var(--bg);
  color: var(--ink);
}

#remote-next {
  width: 100%;
  height: 100%;
  flex: 1;
  font-size: max(5rem, 25vmin);
  margin-top: 3vh;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--rule);
}
#remote-next:active {
  background: var(--ink);
  color: var(--bg);
}

/* Mode hide rules */
body.mode-control #deck,
body.mode-control footer,
body.mode-control #chapters { display: none !important; }

body.mode-control:not(.connected) #remote button {
  opacity: 0.35;
  pointer-events: none;
}