.library-tools{display:flex;align-items:center;justify-content:flex-end;gap:14px;min-width:0}
.library-tools [hidden]{display:none!important}
.library-track-switch{display:inline-flex;align-items:center;gap:3px;padding:4px;border:1px solid var(--line);border-radius:11px;background:var(--white);box-shadow:0 5px 18px rgba(32,60,52,.06)}
.library-track-switch button{min-width:76px;padding:8px 13px;border:1px solid transparent;border-radius:8px;background:transparent;color:var(--muted);font:700 11px "Segoe UI",Arial,sans-serif;letter-spacing:.2px;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease}
.library-track-switch button:hover{color:var(--green);transform:translateY(-1px)}
.library-track-switch button.active{color:#fff;background:var(--green);border-color:var(--green);box-shadow:0 3px 9px rgba(40,89,67,.18)}
.toeic-badge{background:#edf2e8;color:var(--green)}
.toeic-book-card .test-links{grid-template-columns:repeat(5,minmax(0,1fr))}
@media(max-width:760px){.library-tools{flex:1;gap:8px}.library-track-switch button{min-width:66px;padding-inline:10px}.search-box{min-width:190px}}
@media(max-width:620px){.library-tools{display:flex;align-items:stretch;flex-direction:column;margin-top:16px}.library-track-switch{align-self:flex-start}.search-box{margin-top:0;width:100%;min-width:0}.toeic-book-card .test-links{grid-template-columns:repeat(5,minmax(0,1fr))}}
/* TOEIC uses a paged catalog of individual tests; IELTS collection cards keep their original layout. */
.catalog-test-card{aspect-ratio:4/6;min-width:0;display:flex;flex-direction:column;justify-content:space-between;padding:clamp(14px,1.5vw,22px);overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--white);box-shadow:0 6px 22px rgba(32,60,52,.055);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease}
.catalog-test-card:hover{transform:translateY(-3px);border-color:#aac2a5;box-shadow:0 16px 34px rgba(32,60,52,.12)}
.catalog-test-card-top{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:10px;font-weight:800;letter-spacing:1px}
.catalog-card-mark{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--line);border-radius:10px;background:var(--bg);color:var(--green);font-size:17px}
.catalog-test-card-copy{margin:auto 0;padding:18px 0}
.catalog-card-identifier{display:inline-block;margin-bottom:9px;color:var(--green2);font-size:clamp(20px,2.3vw,30px);font-weight:750;letter-spacing:-1px}
.catalog-test-card h3{margin:0;color:var(--text);font-size:clamp(15px,1.6vw,20px);line-height:1.3;letter-spacing:-.35px}
.catalog-test-card-copy p{margin:10px 0 0;color:var(--muted);font-size:14px;font-weight:650}
.catalog-test-card-bottom{display:grid;gap:12px}
.catalog-test-card-bottom>span{color:var(--muted);font-size:10px;letter-spacing:.2px}
.catalog-test-card-bottom a{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:11px 12px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--green);font-size:11px;font-weight:750;text-decoration:none;transition:background .18s ease,color .18s ease,border-color .18s ease}
.catalog-test-card-bottom a:hover{border-color:var(--green);background:var(--green);color:#fff}
.catalog-test-card-bottom a b{font-size:15px}
.catalog-pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:24px auto 2px;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--white)}
.catalog-pagination[hidden]{display:none!important}
.catalog-page-status{color:var(--muted);font-size:11px}
.catalog-page-buttons{display:flex;gap:6px}
.catalog-page-buttons button{min-width:36px;height:36px;padding:0 10px;border:1px solid var(--line);border-radius:8px;background:var(--white);color:var(--text);font:700 12px "Segoe UI",Arial,sans-serif;cursor:pointer;transition:all .16s ease}
.catalog-page-buttons button:hover,.catalog-page-buttons button.active{border-color:var(--green);background:var(--green);color:#fff}
@media(max-width:900px){.book-grid:has(.catalog-test-card){grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.book-grid:has(.catalog-test-card){grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.catalog-test-card{padding:13px;border-radius:11px}.catalog-test-card-top{font-size:8px}.catalog-card-mark{width:28px;height:28px}.catalog-test-card-copy p{font-size:12px}.catalog-test-card-bottom a{font-size:10px;padding:9px}.catalog-pagination{margin-top:16px;padding:10px}.catalog-page-buttons button{min-width:32px;height:32px}}
/* Refined TOEIC tile density: four columns and a 4:5 portrait proportion. */
.book-grid:has(> .catalog-test-card){grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.catalog-test-card{aspect-ratio:4/5;padding:16px;border-radius:12px}
.catalog-test-card-copy{padding:12px 0}
.catalog-card-identifier{font-size:clamp(20px,2vw,26px);margin-bottom:6px}
.catalog-test-card h3{font-size:clamp(14px,1.35vw,17px)}
.catalog-test-card-copy p{margin-top:7px;font-size:12px}
.catalog-test-card-bottom{gap:9px}
.catalog-test-card-bottom>span{font-size:9px}
.catalog-test-card-bottom a{padding:9px 10px;font-size:10px}
@media(max-width:900px){.book-grid:has(> .catalog-test-card){grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:620px){.book-grid:has(> .catalog-test-card){grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.catalog-test-card{padding:12px}.catalog-test-card h3{font-size:14px}.catalog-test-card-bottom a{padding:8px}}
/* Slightly larger TOEIC card typography for easier scanning. */
.catalog-test-card-top{font-size:12px}
.catalog-card-identifier{font-size:clamp(22px,2.15vw,28px)}
.catalog-test-card h3{font-size:clamp(16px,1.5vw,19px)}
.catalog-test-card-copy p{font-size:14px}
.catalog-test-card-bottom>span{font-size:11px}
.catalog-test-card-bottom a{font-size:12px}
@media(max-width:620px){.catalog-test-card-top{font-size:10px}.catalog-card-identifier{font-size:22px}.catalog-test-card h3{font-size:16px}.catalog-test-card-copy p{font-size:14px}.catalog-test-card-bottom>span{font-size:11px}.catalog-test-card-bottom a{font-size:12px}}
.catalog-status{display:inline-flex;align-items:center;width:max-content;margin-top:11px;padding:5px 8px;border:1px solid #d9e8d2;border-radius:999px;background:#edf4e8;color:var(--green);font-size:9px;font-weight:800;letter-spacing:.6px}
.catalog-status:not(.is-plus){padding:6px 10px;font-size:11px;letter-spacing:.7px}
.catalog-status.is-plus{border-color:#e9d6ae;background:#fbf2dc;color:#a96a22}
.catalog-test-card-bottom .catalog-start-link{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:40px;padding:9px 10px;border:1px solid var(--line);border-radius:9px;background:var(--bg);color:var(--green);font:700 12px "Segoe UI",Arial,sans-serif;text-align:left;text-decoration:none;cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease}
.catalog-test-card-bottom .catalog-start-link:hover{border-color:var(--green);background:var(--green);color:#fff}
.catalog-start-link .test-completion-mark{margin-left:auto}
.catalog-start-link.completed{border-color:#a9d3b2;background:#f1faf2;color:#23633c}
.catalog-start-link.completed .test-completion-mark{background:#d6efdc;color:#23633c}
@media(max-width:620px){.catalog-test-card-bottom .catalog-start-link{font-size:12px;min-height:38px}}