:root{font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:#1b3448;background:#edf3f5}
*{box-sizing:border-box}body{margin:0}a{color:inherit}select{font:inherit}select:focus-visible,a:focus-visible{outline:2px solid #2582b2;outline-offset:3px}[hidden]{display:none!important}
.library-topbar{background:#193347;color:#fff;min-height:72px;padding:12px max(20px,calc((100vw - 1160px)/2));display:flex;justify-content:space-between;align-items:center;gap:18px;box-shadow:0 2px 12px #19334722}
.library-brand,.library-nav{display:flex;align-items:center;gap:13px}.library-brand{font-size:18px;font-weight:750;letter-spacing:.06em}.library-brand small{display:block;font-size:12px;color:#cbd9df;font-weight:400;letter-spacing:0}.library-mark{height:41px;width:41px;border:2px solid #f4ce57;border-radius:8px;display:grid;place-items:center;color:#f4ce57;font-weight:850;font-size:16px}.library-nav{font-size:13px;color:#d5e4ea}.library-nav a{padding:9px 12px;border:1px solid #70899a;border-radius:8px;text-decoration:none;white-space:nowrap}.library-nav a:hover{background:#ffffff20}
.library-main{width:min(1160px,100%);margin:0 auto;padding:30px 20px 80px}.library-title{display:flex;align-items:end;justify-content:space-between;gap:15px;margin-bottom:20px}.library-title p{margin:0 0 4px;color:#618299;font-size:12px;letter-spacing:.14em;font-weight:750}.library-title h1{font-size:30px;margin:0;line-height:1.25}.library-title>span{font-size:13px;color:#5e7785;padding-bottom:5px}
.library-filters{background:#fff;border:1px solid #dce7ea;box-shadow:0 5px 20px #203e4d0a;border-radius:12px;padding:18px;display:flex;align-items:end;gap:14px;flex-wrap:wrap}.library-filters label{flex:1 1 195px;max-width:340px;min-width:0;color:#4b6372;font-size:14px;font-weight:700}.library-filters select{display:block;width:100%;height:44px;margin-top:8px;padding:0 11px;border:1px solid #c9dae1;border-radius:8px;background:#fff;color:#17374a;font-size:15px}
.library-status{margin:18px 2px;color:#627e8d;min-height:22px;font-size:14px}.sign-in-link{display:inline-block;margin:4px 0 12px;color:#126b92;font-weight:700}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:14px;margin:24px 0 13px}.section-heading h2{font-size:20px;margin:0}.section-heading>span,.section-heading p{color:#667f8d;font-size:13px;margin:4px 0 0}.section-heading a{display:inline-block;color:#247394;text-decoration:none;font-size:14px;margin-bottom:7px}.section-heading a:hover{text-decoration:underline}
.coach-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(245px,1fr));gap:14px}.coach-card,.lesson-card{display:block;background:#fff;border:1px solid #dce7ea;box-shadow:0 5px 18px #1b34480a;border-radius:11px;text-decoration:none;transition:border-color .15s,transform .15s}.coach-card{padding:20px;min-height:160px;display:flex;flex-direction:column;gap:10px}.coach-card:hover,.lesson-card:hover{border-color:#81b5c1;transform:translateY(-2px)}.coach-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.coach-card strong{font-size:18px}.coach-card .coach-number{background:#fff2c9;color:#614a18;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;white-space:nowrap}.coach-club{font-size:13px;color:#678090;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.coach-card-foot{font-size:13px;color:#1e7794;margin-top:auto;font-weight:700}
.lesson-cards{display:grid;gap:11px}.lesson-card{padding:17px 19px;display:flex;justify-content:space-between;align-items:center;gap:18px}.lesson-card-content{min-width:0}.lesson-card h3{font-size:17px;line-height:1.4;margin:0 0 9px}.lesson-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;color:#67808d;font-size:13px}.lesson-tag{background:#ecf4f6;color:#31596a;border-radius:5px;padding:3px 8px;font-weight:650}.lesson-tag.intensity{background:#fff2d4;color:#785a18}.lesson-open{font-size:13px;font-weight:750;color:#1b7293;white-space:nowrap}.empty-state{background:#fff;border:1px dashed #c6d7df;border-radius:10px;padding:28px;color:#65808e;font-size:14px}
@media(max-width:650px){.library-topbar{padding:12px 15px}.library-nav>span{display:none}.library-main{padding:22px 13px 50px}.library-title h1{font-size:25px}.library-filters{padding:13px;gap:12px}.library-filters label{flex-basis:calc(50% - 8px)}#coachFilterLabel{flex-basis:100%;max-width:none}.section-heading{align-items:start;flex-direction:column;gap:5px}.lesson-card{align-items:start;flex-direction:column;gap:12px}.lesson-open{align-self:flex-end}.coach-cards{grid-template-columns:1fr}}
@media(max-width:380px){.library-filters label{flex-basis:100%;max-width:none}.library-brand{font-size:15px}.library-nav a{padding:8px;font-size:12px}}

.library-logo-frame{display:grid;place-items:center;flex:none;width:64px;height:64px;overflow:hidden;border-radius:12px;background:#fff;box-shadow:0 2px 10px #10243424}
.library-logo-frame img{display:block;width:100%;height:100%;object-fit:contain}
.library-brand{min-width:0;letter-spacing:0;font-size:16px;line-height:1.35}
@media(max-width:650px){.library-logo-frame{width:54px;height:54px}.library-brand{font-size:14px;gap:8px}}

.library-gate{max-width:700px;margin:25px auto 0;padding:32px 34px;border:1px solid #d9e6dd;border-radius:16px;background:#fff;box-shadow:0 12px 35px #19334712}
.library-gate .gate-eyebrow{font-size:12px;letter-spacing:.12em;color:#277454;font-weight:750}
.library-gate h2{font-size:26px;color:#1b3d2e;margin:11px 0 8px}
.library-gate p{color:#5c7480;line-height:1.75;margin:0 0 20px;font-size:15px}
.library-gate .gate-contact{background:#f0f8f2;border:1px solid #cde4d5;border-radius:9px;padding:13px 15px;color:#325b46;font-size:14px;line-height:1.5}
.library-gate .gate-contact strong{color:#125937;overflow-wrap:anywhere}
.library-gate button{margin-top:18px;border:1px solid #b3d2c0;border-radius:8px;background:#fff;color:#236746;padding:9px 13px;font-weight:700;cursor:pointer}
.lesson-card h3 a{text-decoration:none;color:inherit}.lesson-card h3 a:hover,.author-link:hover{text-decoration:underline}
.lesson-meta .author-link{font-weight:700;color:#267857;text-decoration:none}
.lesson-tag.private{background:#f2e6e6;color:#875751}
.library-pagination{display:flex;align-items:center;justify-content:center;gap:15px;margin:24px 0;color:#536c79;font-size:13px}
.library-pagination button{border:1px solid #c4d8d9;border-radius:8px;background:#fff;color:#1d5f61;min-width:82px;padding:10px 12px;font-weight:700;cursor:pointer}
.library-pagination button:hover:not(:disabled){background:#e8f5ed}.library-pagination button:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:650px){.library-gate{padding:24px 18px}.library-gate h2{font-size:22px}.lesson-card .author-link{max-width:100%;overflow-wrap:anywhere}}