/* Fullscreen Image Slider Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  --slide-speed-fade: 2s;
  --slide-speed-mid: 2s;
  --slide-speed-zoom: 2s;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: #fff;
/* background: #000; */
}

/* Slider Container */
.slider-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
  /* background: #000; */
}

/* Individual Slide - Instant switch for Raspberry Pi (no animation) */
.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity var(--slide-speed-fade) ease-out;
  background-color: #000;
}

.slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transform: translateZ(0);
  backface-visibility: hidden;
  will-change: transform;
}

/* Effect: slide-left */
.slide.effect-slide-left img {
  transform: translateX(-4%);
  transition: transform var(--slide-speed-mid) ease-out;
}

.slide.active.effect-slide-left img {
  transform: translateX(0);
}

/* Effect: slide-right */
.slide.effect-slide-right img {
  transform: translateX(4%);
  transition: transform var(--slide-speed-mid) ease-out;
}

.slide.active.effect-slide-right img {
  transform: translateX(0);
}

/* Effect: zoom */
.slide.effect-zoom img {
  transform: scale(1.04);
  transition: transform var(--slide-speed-zoom) ease-out;
}

.slide.active.effect-zoom img {
  transform: scale(1);
}

/* Effect: kenburns */
.slide.effect-kenburns img {
  transform: scale(1.08);
  transition: transform var(--slide-speed-fade) ease-out;
}

.slide.active.effect-kenburns img {
  transform: scale(1);
}

.slide.active {
  opacity: 1;
  z-index: 2;
}

/* Slider Controls */
.slider-controls {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 20px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.5);
  padding: 12px 20px;
  border-radius: 50px;
  backdrop-filter: blur(10px);
  display: none; 
}

.control-btn {
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #fff;
  transition: all 0.3s ease;
}

.control-btn:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: scale(1.1);
}

.control-btn:active {
  transform: scale(0.95);
}

/* Slide Counter */
.slide-counter {
  position: fixed;
  top: auto;
  bottom:30px;
  right: 30px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.2);
  color: #fff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(10px);
  letter-spacing: 0.5px;
}

/* Effect Indicator */
.effect-indicator {
  position: fixed;
  top: 30px;
  left: 30px;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  color: #fff;
  padding: 10px 20px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  backdrop-filter: blur(10px);
  text-transform: uppercase;
  letter-spacing: 1px;
  opacity: 0;
  transition: opacity 0.3s ease;
  display:none;
}

.effect-indicator.show {
  opacity: 1;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .slider-controls {
    bottom: 20px;
    gap: 15px;
    padding: 10px 15px;
  }
  
  .control-btn {
    width: 40px;
    height: 40px;
  }
  
  .control-btn svg {
    width: 20px;
    height: 20px;
  }
  
  .slide-counter {
    top: 20px;
    right: 20px;
    font-size: 12px;
    padding: 8px 16px;
  }
  
  .effect-indicator {
    top: 20px;
    left: 20px;
    font-size: 10px;
    padding: 8px 16px;
  }
}

/* Keyboard focus styles */
.control-btn:focus {
  outline: 2px solid #fff;
  outline-offset: 2px;
}