:root {
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: #030303;
  color: #f5f5f5;
  overflow-x: hidden;
}

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1rem 1.25rem;
  pointer-events: none;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.65), rgba(0, 0, 0, 0));
}

.site-header h1 {
  margin: 0;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
}

.site-header p {
  margin: 0.2rem 0 0;
  opacity: 0.72;
  font-size: 0.9rem;
}

.controls {
  position: fixed;
  z-index: 20;
  top: 1rem;
  right: 1.25rem;
  pointer-events: none;
  text-align: right;
}

.controls ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.25rem;
}

.controls li {
  font-size: 0.8rem;
  opacity: 0.6;
  letter-spacing: 0.02em;
}

.controls li span {
  display: inline-block;
  margin-right: 0.45rem;
  opacity: 0.95;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

#gallery {
  position: relative;
  width: 100%;
  min-height: 100vh;
  padding: 4.5rem 1rem 1rem;
}

.print {
  position: absolute;
  margin: 0;
  width: calc(clamp(210px, 25vw, 400px) * var(--size-scale, 1));
  aspect-ratio: var(--ratio, 3 / 2);
  transform: rotate(var(--rot, 0deg));
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.45);
  cursor: auto;
  transition: transform 260ms ease, box-shadow 220ms ease;
  will-change: transform;
  user-select: none;
  -webkit-user-select: none;
}

.print.shuffling {
  transition: left 700ms cubic-bezier(0.22, 1, 0.36, 1),
    top 700ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 700ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 220ms ease;
}

.print.dragging {
  transition: none;
  cursor: grabbing;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.65);
}

.print.rotating {
  transition: none;
  cursor: crosshair;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.65);
}

.print img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}

.print:hover {
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.6);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  background: rgba(0, 0, 0, 0.9);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox img {
  width: min(92vw, 1200px);
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.7);
  cursor: pointer;
}

.lightbox-close {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 10001;
  border: 0;
  width: 2.3rem;
  height: 2.3rem;
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.5rem;
  line-height: 1;
  background: rgba(255, 255, 255, 0.95);
  color: #111;
}

.mobile-notice {
  display: none;
}

@media (max-width: 768px) {
  .site-header,
  .controls,
  #gallery {
    display: none;
  }

  .mobile-notice {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 0.6rem;
    min-height: 100vh;
    padding: 2rem 1.5rem;
  }

  .mobile-notice h2 {
    margin: 0 0 0.4rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 1.6rem;
  }

  .mobile-notice p {
    margin: 0;
    opacity: 0.7;
    font-size: 1rem;
    line-height: 1.5;
    max-width: 26ch;
  }
}