.level{padding:18px 14px;transition:border-color .15s,background .15s}.level.active{border-color:#1d3de3;background:#eef2ff}.level.active strong{color:#1d3de3}.level-title{display:block;text-decoration:none}.level-title span{min-height:45px}.level-links{display:flex;flex-direction:column;gap:2px;border-top:1px solid #e3e8f0;margin-top:12px;padding-top:9px}.level-links a{font-size:13px;text-decoration:none;color:#344967;padding:4px 0;line-height:1.4}.level-links a:hover,.level-links a[aria-current]{color:#1d3de3;text-decoration:underline;text-underline-offset:4px}.level-links a[aria-current]{font-weight:750}
.library{margin-top:28px;background:white;border:1px solid #dfe5ed;border-radius:18px;overflow:hidden;scroll-margin-top:20px}.library-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding:28px 30px 23px;background:linear-gradient(120deg,#f0f4ff,#fff)}.library-header .eyebrow{margin-bottom:6px}.library-header h2{font-size:28px}.library-header p:last-child{color:#536277;max-width:720px;margin:8px 0 0}.outline-badge{border:1px solid #dce3ef;background:#fff;border-radius:20px;padding:5px 12px;white-space:nowrap;font-size:12px;color:#536277}.section-nav{display:flex;flex-wrap:wrap;gap:6px;padding:12px 30px;border-top:1px solid #e7ebf1;border-bottom:1px solid #e7ebf1}.section-nav a{padding:9px 15px;border-radius:8px;text-decoration:none;color:#536277;font-size:14px;font-weight:650}.section-nav a:hover{background:#f2f5fa}.section-nav a[aria-current]{background:#182333;color:#fff}.library-body{padding:26px 30px 30px}.library-body h3{margin:0;font-size:21px;letter-spacing:-.4px}.section-note{font-size:14px;color:#59687b;margin:7px 0 22px;max-width:820px}.section-note a,.source-links a{color:#2447c0;text-underline-offset:3px}.content-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.content-grid li{border:1px solid #e3e8f0;border-radius:12px;padding:18px 20px;min-width:0}.content-grid h4{font-size:15px;margin:0 0 8px;line-height:1.5}.content-grid p{font-size:14px;color:#536277;margin:0}.content-grid .german{color:#263e65}.entry-number{font-size:11px;letter-spacing:1px;color:#74839a;display:block;margin-bottom:8px}.word-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.word-grid h4{color:#263e65;overflow-wrap:anywhere;font-size:16px}.vocab-subheading{margin:28px 0 13px!important;font-size:18px!important}.phrases h4{color:#263e65;font-size:16px}.source-badge{display:inline-block;background:#edf3ff;color:#315aa2;border-radius:6px;padding:4px 9px;font-size:12px;margin-bottom:12px}.library-footer{padding:16px 30px;background:#f9fafc;border-top:1px solid #e7ebf1;display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#59687b}.library-footer a{flex-shrink:0;text-underline-offset:3px}.sources{margin:18px 0 24px;color:#59687b;font-size:13px}.sources summary{font-size:13px}.sources p{max-width:900px}.source-links{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:12px}#levels-heading{scroll-margin-top:20px}
@media(max-width:800px){.word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library-header{gap:12px}.outline-badge{white-space:normal;text-align:center;max-width:140px}.level-title span{min-height:0}}
@media(max-width:540px){.library-header,.library-body{padding:22px 18px}.library-header{flex-direction:column}.outline-badge{max-width:none}.section-nav{padding:10px 12px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.section-nav a{text-align:center;padding:9px 7px}.content-grid{grid-template-columns:1fr}.content-grid li{padding:16px}.library-footer{padding:16px 18px;flex-direction:column;gap:8px}.level-title span{min-height:44px}.library-header h2{font-size:25px}}