#study-shell{max-width:1440px;margin:20px auto;padding:24px 28px;border:1px solid #d8e2df;border-radius:14px;background:#fff;scroll-margin-top:16px;color:#20393d}
.study-top{display:flex;align-items:flex-start;justify-content:space-between;gap:24px}.study-top h2{font-size:26px;margin:8px 0;letter-spacing:.04em}.study-muted{color:#637779;font-size:14px;line-height:1.7}.study-locale{font-size:12px;color:#637779;display:grid;gap:6px;min-width:120px}.study-locale select{font:inherit;padding:8px;border:1px solid #d8e2df;border-radius:8px;background:#fff;color:#20393d}
.study-entry-grid,.study-evidence-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.study-entry{border:1px solid #d8e2df;border-radius:10px;background:#f5f8f6;text-align:left;padding:18px;color:#20393d;font-size:17px;font-weight:600;cursor:pointer}.study-entry small{display:block;margin-top:8px;font-size:12px;font-weight:400;color:#637779}.study-entry:hover{border-color:#688c83;background:#edf3ef}
.study-tools,.study-filters{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.study-button,.study-filter{font:inherit;font-size:13px;border:1px solid #d8e2df;border-radius:8px;background:#fff;color:#20393d;padding:8px 12px;cursor:pointer;min-height:36px}.study-button:hover,.study-filter:hover{background:#f0f5f2}.study-filter.active{background:#20393d;color:#fff;border-color:#20393d}.study-notice{font-size:13px;background:#f4f6f1;border-left:3px solid #83977b;padding:12px;line-height:1.6}
.study-empty{text-align:center;padding:28px 12px;margin:14px 0;background:#f7f9f8;border:1px dashed #cad8d2;border-radius:10px}.study-empty-symbol{font-size:26px;color:#81978d}.study-empty h3{font-size:18px;margin:12px 0 8px}.study-details{font-size:13px;border-bottom:1px solid #d8e2df;padding:10px 0 18px}.study-details summary{cursor:pointer}.study-fields{display:grid;grid-template-columns:minmax(110px,1fr) 2fr;gap:12px;line-height:1.5}.study-fields dd{margin:0;color:#637779}.study-evidence{margin-top:22px}.study-evidence h3{font-size:17px;margin:0}.study-evidence-card{border:1px solid #d8e2df;padding:14px;border-radius:10px}.study-evidence-card h4{font-size:14px;margin:0 0 8px}.study-evidence-card p{font-size:12px;line-height:1.6;color:#637779;margin:0}.study-evidence-card button{margin-top:10px}.study-entry:focus-visible,.study-button:focus-visible,.study-filter:focus-visible{outline:3px solid #879f95;outline-offset:3px}
@media(max-width:700px){#study-shell{margin:10px 0;padding:16px 12px;border-radius:0;border-left:0;border-right:0}.study-top{gap:12px}.study-top h2{font-size:22px}.study-top .study-muted{font-size:12px}.study-locale{min-width:94px}.study-entry-grid,.study-evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.study-entry{padding:14px 12px;font-size:15px}.study-button,.study-filter{font-size:12px;padding:7px 9px}.study-empty{padding:22px 8px}.study-empty h3{font-size:16px}.study-evidence-card{padding:12px}}