:root {
  color-scheme: dark;
  --bg: #101010;
  --ink: #fffdf8;
  --veil: rgba(7, 8, 7, 0.84);
  --line: rgba(255, 255, 255, 0.12);
  --accent: #f0c35a;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

a,
button {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

noscript {
  display: block;
  padding: 20px;
}

.image-app {
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(255, 245, 218, 0.08), transparent 30%),
    linear-gradient(135deg, #121312 0%, #17140f 38%, #0a0f10 100%);
}

.wall {
  display: grid;
  grid-auto-flow: dense;
  grid-auto-rows: 8px;
  grid-template-columns: repeat(auto-fill, minmax(214px, 1fr));
  gap: 6px;
  min-height: 100vh;
  padding: 6px;
}

.tile {
  position: relative;
  display: block;
  grid-row: span 36;
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 6px;
  background: #080808;
  outline: none;
  isolation: isolate;
  box-shadow: 0 18px 52px rgba(0, 0, 0, 0.28);
  transform: translateZ(0);
}

.tile::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.035);
}

.tile--square {
  grid-row: span 31;
}

.tile--portrait {
  grid-row: span 45;
}

.tile--tall {
  grid-row: span 56;
}

.tile--wide {
  grid-column: span 2;
  grid-row: span 34;
}

.tile--cinema {
  grid-column: span 2;
  grid-row: span 41;
}

.tile--hero {
  grid-column: span 2;
  grid-row: span 58;
}

.tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: var(--focus, center);
  filter: saturate(1.05) contrast(1.03);
  transition: transform 420ms ease, filter 420ms ease;
}

.tile:hover img,
.tile:focus-visible img {
  filter: saturate(1.18) contrast(1.07);
  transform: scale(1.045);
}

.caption {
  position: absolute;
  inset: auto 0 0;
  z-index: 4;
  display: flex;
  align-items: flex-end;
  min-height: 48%;
  padding: 44px 14px 14px;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.58) 42%, var(--veil) 100%);
  color: #fffdf8;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 170ms ease, transform 170ms ease;
}

.caption span {
  display: block;
  max-width: 34ch;
  overflow-wrap: anywhere;
  font-size: 14px;
  font-weight: 780;
  line-height: 1.25;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.7);
}

.tile:hover .caption,
.tile:focus-visible .caption {
  opacity: 1;
  transform: translateY(0);
}

.corner-mark {
  position: fixed;
  right: 10px;
  bottom: 10px;
  z-index: 20;
  width: 11px;
  height: 11px;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 999px;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.18);
}

@media (max-width: 820px) {
  .wall {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 5px;
    padding: 5px;
  }

  .tile--wide,
  .tile--cinema,
  .tile--hero {
    grid-column: span 2;
  }
}

@media (max-width: 560px) {
  .wall {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tile {
    border-radius: 5px;
  }

  .tile--wide,
  .tile--cinema,
  .tile--hero {
    grid-column: span 2;
    grid-row: span 40;
  }

  .tile--tall {
    grid-row: span 46;
  }

  .caption span {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile img,
  .caption {
    transition: none;
  }
}