/* Barre-Traction.com : bibliotheques Guides / Exercices 2026-11-02. Scoped. */
main .bt-library-modern{--bt-u-ink:#14211d;--bt-u-dark:#092820;--bt-u-green:#195e4b;--bt-u-line:#dce3dc;--bt-u-paper:#fff;--bt-u-cream:#f8f7f3;color:var(--bt-u-ink)}
main .bt-library-modern *,main .bt-library-modern *::before,main .bt-library-modern *::after{box-sizing:border-box}
main .bt-library-modern a:focus-visible,main .bt-library-modern button:focus-visible,main .bt-library-modern select:focus-visible{outline:3px solid #087f72;outline-offset:4px}
main .bt-library-modern .bt-u-hero{padding:54px 0 52px;background:#171719}
main .bt-library-modern .bt-u-hero .container{max-width:1160px}
main .bt-library-modern .bt-u-hero h1{font-size:clamp(2.2rem,4.2vw,3.75rem);line-height:1.08;letter-spacing:-.045em;margin:14px 0 15px}
main .bt-library-modern .bt-u-hero p:not(.kicker){font-size:clamp(.98rem,1.3vw,1.08rem);line-height:1.7;color:#d5d9d6;max-width:660px}
main .bt-library-modern .bt-u-hero .kicker{font-size:.75rem;letter-spacing:.13em;color:#c0e6cf;margin:0}
main .bt-library-modern .bt-u-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-top:24px}
main .bt-library-modern .bt-u-tabs a{color:#e7ece8;text-decoration:none;border:1px solid #69766f;padding:10px 18px;border-radius:999px;font-size:.89rem;font-weight:650;transition:background .18s,border-color .18s}
main .bt-library-modern .bt-u-tabs a.current{background:#fff;color:#15231e;border-color:#fff}
main .bt-library-modern .bt-u-tabs a:hover:not(.current){background:#ffffff1b;border-color:#ccd6d0}
main .bt-library-modern .bt-u-listing{background:var(--bt-u-cream);padding:42px 0 68px}
main .bt-library-modern .bt-u-listing>.container{max-width:1160px}
main .bt-library-modern .bt-u-list-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:24px}
main .bt-library-modern .bt-u-list-head h2{font-size:clamp(1.35rem,2.3vw,2rem);letter-spacing:-.035em;margin:5px 0 0;line-height:1.15}
main .bt-library-modern .bt-u-eyebrow{font-size:.72rem;letter-spacing:.12em;color:#416859;font-weight:750}
main .bt-library-modern .bt-u-count{font-size:.85rem;color:#607269;white-space:nowrap}
main .bt-library-modern .bt-u-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;align-items:stretch}
main .bt-library-modern .bt-u-card{min-width:0;border:1px solid var(--bt-u-line);border-radius:16px;background:#fff;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 2px 8px #0c20180b;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
main .bt-library-modern .bt-u-card:hover{transform:translateY(-3px);border-color:#b5c7b9;box-shadow:0 15px 35px #0e231219}
main .bt-library-modern .bt-u-media{display:flex;overflow:hidden;aspect-ratio:16/9;background:#e3e9e3;color:#1e4c3e;justify-content:center;align-items:center}
main .bt-library-modern .bt-u-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
main .bt-library-modern .bt-u-card:hover .bt-u-media img{transform:scale(1.025)}
main .bt-library-modern .bt-u-media-fallback{font-size:.82rem;font-weight:800;letter-spacing:.15em;color:#2b6753}
main .bt-library-modern .bt-u-card-body{display:flex;flex:1;flex-direction:column;align-items:flex-start;gap:10px;padding:20px 21px 22px}
main .bt-library-modern .bt-u-card-kind{display:inline-block;letter-spacing:.11em;font-size:.67rem;font-weight:800;color:#207050}
main .bt-library-modern .bt-u-card h2{font-size:clamp(1.14rem,1.5vw,1.35rem);line-height:1.28;letter-spacing:-.025em;margin:0;font-weight:800;overflow-wrap:break-word}
main .bt-library-modern .bt-u-card h2 a{color:#14211d;text-decoration:none}
main .bt-library-modern .bt-u-card h2 a:hover{color:#9e1b10}
main .bt-library-modern .bt-u-card-summary{font-size:.9rem;line-height:1.6;color:#4d5b54;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
main .bt-library-modern .bt-u-card-link{display:inline-flex;align-items:center;gap:8px;margin-top:auto;padding-top:8px;text-decoration:none;color:#a42619;font-size:.88rem;font-weight:750}
main .bt-library-modern .bt-u-card-link span{font-size:1rem}
main .bt-library-modern .bt-u-card-link:hover{text-decoration:underline;text-underline-offset:4px}
main .bt-library-modern .bt-u-filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin:0 0 34px;background:#fff;border:1px solid var(--bt-u-line);border-radius:14px;padding:18px 19px;box-shadow:0 4px 18px #09251809}
main .bt-library-modern .bt-u-filters label{display:flex;flex-direction:column;gap:7px;flex:1 1 155px;max-width:260px;font-size:.81rem;font-weight:700;color:#334b3d}
main .bt-library-modern .bt-u-filters select{font:inherit;max-width:100%;width:100%;min-height:44px;border:1px solid #b9c9bd;color:#21392c;border-radius:9px;background:#fff;padding:9px 13px;font-size:.91rem;font-weight:500}
main .bt-library-modern .bt-u-filter-submit{background:#0a2d24;color:#fff;min-height:44px;padding:10px 20px;border:0;border-radius:9px;font:inherit;font-size:.89rem;font-weight:700;cursor:pointer}
main .bt-library-modern .bt-u-filter-submit:hover{background:#174b3c}
main .bt-library-modern .bt-u-filter-clear{font-size:.88rem;color:#45594e;padding:13px 4px;text-decoration:underline;text-underline-offset:3px}
main .bt-library-modern .bt-u-pagination{margin-top:34px;display:flex;justify-content:center;min-width:0}
main .bt-library-modern .bt-u-pagination>*{max-width:100%}
main .bt-library-modern .bt-u-empty{grid-column:1/-1;padding:46px 26px;border:1px dashed #bdccc1;border-radius:14px;background:#fff}
main .bt-library-modern .bt-u-next{background:#eef2ec;padding:60px 0 70px}
main .bt-library-modern .bt-u-next-grid{max-width:1160px;display:grid;grid-template-columns:minmax(0,1.65fr) minmax(255px,.85fr);gap:48px;align-items:start}
main .bt-library-modern .bt-u-next-eyebrow,main .bt-library-modern .bt-u-next-aside-kicker{font-size:.7rem;font-weight:800;letter-spacing:.14em;color:#3d775c;margin:0 0 16px}
main .bt-library-modern .bt-u-next-editorial{font-size:.98rem;line-height:1.8;color:#3c4a40}
main .bt-library-modern .bt-u-next-editorial h2{font-size:clamp(1.5rem,2.5vw,2rem);line-height:1.25;letter-spacing:-.035em;margin:0 0 20px;color:#1a2c22}
main .bt-library-modern .bt-u-next-editorial h3{font-size:1.15rem;line-height:1.3;margin:26px 0 10px;color:#1a2c22}
main .bt-library-modern .bt-u-next-editorial p{margin:0 0 14px}
main .bt-library-modern .bt-u-next-editorial a{color:#a42619;text-decoration:underline;text-underline-offset:4px}
main .bt-library-modern .bt-u-next-aside{background:#fff;border:1px solid var(--bt-u-line);border-radius:16px;padding:28px 25px;box-shadow:0 5px 18px #09281808}
main .bt-library-modern .bt-u-next-aside h3{font-size:1.35rem;line-height:1.27;letter-spacing:-.025em;margin:0 0 12px}
main .bt-library-modern .bt-u-next-aside>p:not(.bt-u-next-aside-kicker){color:#56655b;font-size:.9rem;line-height:1.6;margin:0 0 18px}
main .bt-library-modern .bt-u-next-aside a{display:flex;justify-content:space-between;gap:10px;padding:14px 0;border-top:1px solid var(--bt-u-line);font-size:.9rem;font-weight:750;color:#164c36;text-decoration:none}
main .bt-library-modern .bt-u-next-aside a:hover{color:#b32c1b}
@media(max-width:980px){main .bt-library-modern .bt-u-grid{grid-template-columns:repeat(2,minmax(0,1fr))} main .bt-library-modern .bt-u-next-grid{gap:26px}}
@media(max-width:680px){main .bt-library-modern .bt-u-hero{padding:35px 0 38px}main .bt-library-modern .bt-u-listing{padding:28px 0 44px}main .bt-library-modern .bt-u-grid{grid-template-columns:1fr;gap:16px}main .bt-library-modern .bt-u-card-body{padding:17px 18px 20px}main .bt-library-modern .bt-u-next-grid{grid-template-columns:1fr;gap:22px}main .bt-library-modern .bt-u-next{padding:40px 0 46px}main .bt-library-modern .bt-u-list-head{align-items:start;flex-direction:column;gap:6px}main .bt-library-modern .bt-u-filters{padding:15px;gap:12px}main .bt-library-modern .bt-u-filters label{flex:1 1 100%;max-width:none}main .bt-library-modern .bt-u-filter-submit{flex:1}main .bt-library-modern .bt-u-next-aside{padding:23px}}
@media(prefers-reduced-motion:reduce){main .bt-library-modern .bt-u-card,main .bt-library-modern .bt-u-media img{transition:none}main .bt-library-modern .bt-u-card:hover{transform:none}}