/* nav-controls.css — bottom navigation bar for remark.js */

/* Invisible hover zone at the bottom edge of the viewport */
.nav-controls-hover-zone {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 32px;
  z-index: 79;
}

/* Bottom navigation bar */
.nav-controls-bar {
  position: fixed;
  bottom: 10px;
  left: 50%;
  transform: translateX(-50%) translateY(calc(100% + 18px));
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 2px;
  background: rgba(30, 30, 30, 0.65);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 3px 6px;
  border-radius: 6px;
  transition: transform 0.2s ease, opacity 0.2s ease;
  opacity: 0;
  pointer-events: none;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.nav-controls-bar.nav-visible {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* All buttons in the bar */
.nav-controls-bar .nav-btn {
  border: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.85);
  cursor: pointer;
  font-family: system-ui, sans-serif;
  line-height: 1;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.12s ease;
  user-select: none;
  -webkit-user-select: none;
  min-width: 32px;
  min-height: 28px;
}

.nav-controls-bar .nav-btn:hover {
  background: rgba(255, 255, 255, 0.15);
}

.nav-controls-bar .nav-btn:active {
  background: rgba(255, 255, 255, 0.25);
}

/* Prev/Next are slightly larger */
.nav-controls-bar .nav-btn-prev,
.nav-controls-bar .nav-btn-next {
  font-size: 1.4rem;
  padding: 4px 6px;
}

/* Slide number input */
.nav-slide-input {
  width: 3.2em;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  text-align: center;
  padding: 3px 2px;
  border-radius: 3px;
  outline: none;
  -moz-appearance: textfield;
}

.nav-slide-input::-webkit-inner-spin-button,
.nav-slide-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.nav-slide-input:focus {
  background: rgba(255, 255, 255, 0.25);
}

/* Slide count label */
.nav-slide-count {
  color: rgba(255, 255, 255, 0.5);
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  padding-right: 2px;
  white-space: nowrap;
}

/* --- Roulette play/skip/stop buttons (injected into .rr-controls bar) --- */
.nav-roulette-btn {
  display: inline-flex !important;
  border: none;
  padding: 0.3rem 0.6rem !important;
  font-size: 1.1rem !important;
  background: rgba(0, 0, 0, 0.15) !important;
  color: #333 !important;
  border-radius: 6px !important;
  cursor: pointer;
  margin-left: 4px;
}

.nav-roulette-btn:hover {
  background: rgba(0, 0, 0, 0.28) !important;
}

/* --- Responsive: larger targets on touch screens --- */
@media (pointer: coarse) {
  .nav-controls-hover-zone {
    height: 48px;
  }

  .nav-controls-bar .nav-btn {
    min-width: 44px;
    min-height: 36px;
    font-size: 1.3rem;
  }

  .nav-controls-bar .nav-btn-prev,
  .nav-controls-bar .nav-btn-next {
    font-size: 1.6rem;
  }

  .nav-slide-input {
    font-size: 1rem;
    width: 3.5em;
    padding: 5px 4px;
  }

  .nav-slide-count {
    font-size: 1rem;
  }
}

/* --- Hide on print --- */
@media print {
  .nav-controls-bar,
  .nav-controls-hover-zone { display: none !important; }
}