.s1-shelf-scroll{position:relative;padding:8px 0 26px;margin:0 -24px;padding-left:24px;padding-right:24px}
.s1-shelf-scroll::before,.s1-shelf-scroll::after{
  content:'';position:absolute;top:8px;bottom:26px;width:36px;z-index:2;pointer-events:none;
}
.s1-shelf-scroll::before{left:0;background:linear-gradient(90deg, var(--bg), transparent)}
.s1-shelf-scroll::after{right:0;background:linear-gradient(270deg, var(--bg), transparent)}
.s1-shelf-single{
  display:flex;align-items:flex-end;gap:3px;flex-wrap:nowrap;position:relative;z-index:1;
  overflow-x:auto;overflow-y:visible;padding:12px 4px 4px;scroll-padding:24px;
  scrollbar-width:thin;
}
.s1-shelf-single::-webkit-scrollbar{height:6px}
.s1-shelf-single::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:3px}
.s1-year-tick{
  flex:0 0 auto;align-self:stretch;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  padding-bottom:2px;margin-right:5px;
}
.s1-year-tick span{
  font-family:var(--font-display);font-weight:700;font-size:.98rem;color:var(--text-secondary);
  writing-mode:vertical-rl;text-orientation:mixed;margin-bottom:6px;white-space:nowrap;
}
.s1-year-tick::after{content:'';width:2px;flex:1;min-height:40px;background:var(--border-strong);border-radius:1px}
.s1-shelf-ledge{
  height:8px;margin-top:-1px;border-radius:0 0 4px 4px;
  background:linear-gradient(180deg, var(--border-strong), transparent);
  box-shadow:0 6px 10px -6px rgba(0,0,0,.35);
}

.s1-spine{
  position:relative;background:none;border:none;padding:0;cursor:pointer;
  width:var(--spine-w);flex:0 0 auto;transition:transform .15s ease;
}
.s1-spine:hover, .s1-spine:focus-visible{transform:translateY(-10px)}
.s1-spine:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.s1-spine-svg{display:block;width:100%;height:172px;border-radius:3px 3px 2px 2px;filter:drop-shadow(0 3px 3px rgba(0,0,0,.25))}
.s1-spine:hover .s1-spine-svg, .s1-spine:focus-visible .s1-spine-svg{filter:drop-shadow(0 10px 12px rgba(0,0,0,.35))}

.s1-spine-icon{
  position:absolute;top:8px;left:50%;transform:translateX(-50%);
  width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.55);
}
:root[data-theme="dark"] .s1-spine-icon,@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .s1-spine-icon{box-shadow:0 0 0 2px rgba(0,0,0,.4)}}

.s1-spine-title{
  position:absolute;top:38px;left:50%;bottom:10px;transform:translateX(-50%);
  writing-mode:vertical-rl;text-orientation:mixed;
  font-family:var(--font-body);font-weight:600;font-size:.72rem;line-height:1.15;
  color:rgba(255,255,255,.96);text-shadow:0 1px 2px rgba(0,0,0,.35);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;
  max-height:calc(100% - 46px);pointer-events:none;letter-spacing:.01em;
}

@media (max-width:640px){
  .s1-spine-svg{height:130px}
  .s1-spine-title{font-size:.66rem}
}