.niche-shelf{padding:28px 0 36px;border-top:1px solid #dce7e4;min-width:0}
.shelf-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 8px}
.shelf-heading h3{margin:0;font-size:clamp(24px,3vw,38px);letter-spacing:-.035em}
.shelf-heading p{color:#657186;font-size:13px;margin:8px 0 0}
.shelf-controls{display:flex;gap:10px;flex-shrink:0}
.shelf-controls button{width:44px;height:44px;border:1px solid #cad9d5;border-radius:50%;background:white;color:#202a3a;font-size:23px;cursor:pointer}
.shelf-controls button:disabled{opacity:.35;cursor:default}
.shelf-controls button:not(:disabled):hover{background:#2dd4bf;border-color:#2dd4bf}
.study-track{display:flex;gap:26px;overflow-x:auto;scroll-snap-type:x mandatory;scroll-padding-inline:22px;padding:30px 22px 36px;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#7bbdb2 #eef5f2;touch-action:pan-x pan-y;outline-offset:-3px}
.study-track .study-card{flex:0 0 29%;min-width:0;scroll-snap-align:start;position:relative;transition:transform .28s;transform-origin:center;z-index:0}
.study-track .study-art{padding:8px;border-radius:23px;box-shadow:0 18px 28px -21px #243a5080}
.study-track .study-art img{aspect-ratio:4/5;object-fit:contain;background:#f6f6f3;border-radius:16px}
.study-track .study-caption{font-size:12px;min-height:38px;align-items:start;line-height:1.4}
.study-track .study-caption>span:first-child{max-width:85%}
.shelf-hint{font-size:12px;color:#647789;text-align:right;margin:10px 8px 0}
@media(hover:hover) and (pointer:fine){.study-track .study-card:hover{transform:translateY(-3px) scale(1.055);z-index:2}.study-track .study-card:hover .study-art{transform:none;box-shadow:0 24px 38px -18px #243a5066}}
.study-track .study-card:focus-visible{outline:3px solid #4f46e5;outline-offset:5px}
@media(max-width:1000px){.study-track .study-card{flex-basis:42%}}
@media(max-width:600px){.study-track{gap:18px;padding:24px 12px 30px;scroll-padding-inline:12px}.study-track .study-card{flex-basis:84%}.shelf-heading{padding:0 4px;gap:12px}.shelf-heading h3{font-size:25px}.shelf-controls{gap:7px}.shelf-controls button{width:38px;height:38px}.niche-shelf{padding-top:24px}.study-track .study-caption{font-size:13px}.shelf-hint{text-align:left}.study-track .study-card:nth-child(3n+1){grid-column:auto}}
@media(prefers-reduced-motion:reduce){.study-track{scroll-behavior:auto}.study-track .study-card{transition:none}.study-track .study-card:hover{transform:none}}