/* Capas e lombadas são faces do mesmo estojo, construído em CSS 3D. */
.project-shelf {
  --case-size: 268px;
  --case-thickness: 18px;
  --slot-width: 57px;
  background: #0d0e10;
  border: 1px solid #303237;
}
.shelf-topline {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 26px;
  border-bottom: 1px solid #26282c;
  font: 9px var(--mono);
  letter-spacing: 1.5px;
  color: #969ba4;
  align-items: center;
  min-height: 76px;
}
.shelf-navigation {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.shelf-navigation > span {
  margin-right: 10px;
  white-space: nowrap;
}
.shelf-navigation button {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border: 1px solid #3b3f46;
  transition: background 0.2s, border-color 0.2s;
}
.shelf-navigation button:hover {
  background: #ffffff0b;
  border-color: #9ba1ab;
}
.shelf-viewport {
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: thin;
  scrollbar-color: #565b65 #111214;
  background: radial-gradient(ellipse at 50% 80%, #292c3255, transparent 70%);
  overscroll-behavior-x: contain;
}
.shelf-row {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 14px;
  list-style: none;
  margin: 0;
  width: max-content;
  min-width: 100%;
  padding: 62px 35px 36px;
}
.cd-slot {
  position: relative;
  flex: 0 0 auto;
  width: var(--slot-width);
  height: var(--case-size);
  transition: width 0.65s cubic-bezier(0.22, 0.75, 0.2, 1);
}
.cd-link {
  display: block;
  position: relative;
  width: 100%;
  height: 100%;
  perspective: 1200px;
  perspective-origin: 50% 50%;
  outline-offset: 9px;
}
.cd-case {
  display: block;
  position: relative;
  width: var(--case-size);
  height: var(--case-size);
  transform-style: preserve-3d;
  transform-origin: 0 50%;
  transform: rotateY(82deg);
  transition: transform 0.65s cubic-bezier(0.22, 0.75, 0.2, 1);
}
.cd-front,
.cd-back,
.cd-spine,
.cd-top {
  position: absolute;
  display: block;
  backface-visibility: hidden;
}
.cd-front {
  inset: 0;
  border: 5px solid #ffffff2a;
  border-left-width: 13px;
  background: #24272c;
  transform: translateZ(calc(var(--case-thickness) / 2));
  box-shadow:
    inset 0 0 0 1px #fff6,
    1px 10px 22px #0007;
}
.cd-front img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cd-front::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border: 1px solid #ffffff40;
  background: linear-gradient(
    110deg,
    #ffffff12,
    transparent 32%,
    transparent 65%,
    #ffffff18
  );
}
.cd-hinge {
  display: block;
  position: absolute;
  left: -12px;
  top: 0;
  bottom: 0;
  width: 11px;
  border-right: 1px solid #ffffff40;
  background: repeating-linear-gradient(0deg, #181b20 0 3px, #34383e 3px 4px);
}
.cd-back {
  inset: 0;
  background: #171a20;
  border: 1px solid #737985;
  transform: rotateY(180deg) translateZ(calc(var(--case-thickness) / 2));
}
.cd-spine {
  top: 0;
  left: calc(var(--case-thickness) / -2);
  width: var(--case-thickness);
  height: 100%;
  transform: rotateY(-90deg);
  background: var(--cover-color);
  color: var(--cover-ink);
  border: 1px solid #ffffff55;
  box-shadow:
    inset 2px 0 2px #ffffff35,
    inset -2px 0 2px #0005;
}
.cd-catalog,
.cd-spine-footer {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  font: 7px var(--mono);
  text-align: center;
  letter-spacing: 0.4px;
}
.cd-catalog {
  top: 9px;
}
.cd-spine-footer {
  bottom: 9px;
  font-weight: 700;
}
.cd-spine-title {
  position: absolute;
  top: 34px;
  bottom: 32px;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font:
    700 9px Arial,
    Helvetica,
    sans-serif;
  letter-spacing: 1px;
  white-space: nowrap;
}
.cd-top {
  top: calc(var(--case-thickness) / -2);
  left: 0;
  width: 100%;
  height: var(--case-thickness);
  transform: rotateX(90deg);
  background: #4e545d;
  border: 1px solid #ffffff35;
}
.project-shelf:not(.shelf-ready) .cd-slot:is(:hover, :focus-within),
.cd-slot.is-selected {
  width: calc(var(--case-size) + 20px);
}
.project-shelf:not(.shelf-ready) .cd-slot:is(:hover, :focus-within) .cd-case,
.cd-slot.is-selected .cd-case {
  transform: rotateY(-8deg) translateY(-5px);
}
.cd-slot.is-selected {
  z-index: 2;
}
.shelf-plinth {
  height: 17px;
  margin: 0 22px;
  border-top: 1px solid #797e8866;
  background: linear-gradient(#343840, #181b20 40%, #101215);
  box-shadow: 0 12px 25px #0006;
}
.shelf-instructions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  min-height: 61px;
  margin: 0 26px;
  padding: 12px 0;
  font: 9px/1.7 var(--mono);
  color: #898f99;
}
.shelf-reset {
  flex-shrink: 0;
  min-height: 36px;
  padding: 7px 0;
  font: 9px var(--mono);
  border-bottom: 1px solid #59616b;
}
.shelf-reset:hover {
  color: #fff;
  border-color: #fff;
}
.shelf-details {
  min-height: 185px;
  border-top: 1px solid #2c2e33;
  padding: 27px 26px 30px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: center;
}
.shelf-project-info {
  max-width: 690px;
  min-width: 0;
}
.shelf-project-info h3 {
  font-size: 29px;
  font-weight: 500;
  letter-spacing: -1px;
  margin: 12px 0 10px;
}
.shelf-project-info p {
  font-size: 13px;
  line-height: 1.8;
  color: #999fa9;
}
.shelf-project-info .eyebrow {
  font-size: 8px;
  line-height: 1.7;
  letter-spacing: 1.2px;
}
.shelf-repository {
  white-space: nowrap;
  gap: 20px;
}
.shelf-repository > span {
  font-size: 12px;
}
@media (max-width: 1050px) {
  .project-shelf {
    --case-size: 238px;
    --slot-width: 50px;
  }
  .shelf-row {
    gap: 12px;
    padding-inline: 28px;
  }
  .shelf-details {
    gap: 25px;
  }
}
@media (max-width: 760px) {
  .project-shelf {
    --case-size: 216px;
    --slot-width: 45px;
    --case-thickness: 17px;
  }
  .shelf-topline {
    font-size: 7px;
    letter-spacing: 0.6px;
    padding: 12px 18px;
    gap: 12px;
  }
  .shelf-topline > span {
    max-width: 120px;
    line-height: 1.8;
  }
  .shelf-navigation {
    gap: 5px;
  }
  .shelf-navigation > span {
    margin-right: 4px;
  }
  .shelf-row {
    justify-content: flex-start;
    gap: 10px;
    padding: 40px 24px 29px;
  }
  .cd-front {
    border-width: 4px;
    border-left-width: 12px;
  }
  .cd-spine-title {
    font-size: 8px;
    letter-spacing: 0.7px;
  }
  .shelf-plinth {
    margin-inline: 12px;
    height: 13px;
  }
  .shelf-instructions {
    margin-inline: 18px;
    font-size: 8px;
    align-items: flex-start;
    gap: 12px;
  }
  .shelf-reset {
    min-height: 32px;
    font-size: 8px;
  }
  .shelf-details {
    padding: 23px 18px 26px;
    grid-template-columns: 1fr;
    gap: 17px;
    min-height: 240px;
  }
  .shelf-project-info h3 {
    font-size: 25px;
  }
  .shelf-project-info p {
    font-size: 12px;
  }
  .shelf-project-info .eyebrow {
    font-size: 7px;
    letter-spacing: 0.7px;
  }
  .shelf-repository {
    justify-self: start;
    font-size: 11px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .cd-slot,
  .cd-case {
    transition: none;
  }
}