:root{--lib-ink:#14362f;--lib-green:#176c59;--lib-coral:#dc6b43;--lib-cream:#faf7f0;--lib-line:#dce7e2;--lib-muted:#657a74}.library-main{max-width:1240px;margin:auto;padding:38px 24px 80px;color:var(--lib-ink)}.library-hero{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);align-items:center;gap:32px;background:linear-gradient(135deg,#123d35,#1a7460);border-radius:26px;padding:44px;color:#fff;overflow:hidden}.library-hero>div>span,.section-kicker{color:#ffc09d;font-weight:900;letter-spacing:1.4px;font-size:.76rem}.library-hero h1{font-size:clamp(2.3rem,5vw,4.7rem);line-height:.98;margin:12px 0}.library-hero h1 em{color:#ffc09d;font-style:normal}.library-hero p{max-width:690px;color:#d7e8e3;line-height:1.65}.hero-visual{min-height:250px;display:grid;place-items:center}.book-scene{width:min(100%,330px);aspect-ratio:4/3;background:#fff;color:var(--lib-ink);border-radius:22px;padding:30px;transform:rotate(2deg);box-shadow:0 28px 60px #071b164d;display:flex;flex-direction:column;justify-content:center;gap:14px}.book-scene span{color:var(--lib-coral);font-weight:900}.book-scene b{font-size:1.35rem;line-height:1.35}.book-scene i{font-style:normal;color:var(--lib-green);font-weight:900}.library-search{display:grid;grid-template-columns:minmax(0,1fr) 180px auto;gap:12px;margin:-25px auto 0;position:relative;width:min(1050px,calc(100% - 30px));background:#fff;border:1px solid var(--lib-line);padding:17px;border-radius:18px;box-shadow:0 14px 38px #123d3520}.library-search label>span{display:block;font-size:.72rem;font-weight:900;color:var(--lib-muted);margin:0 0 6px}.library-search input,.library-search select{width:100%;border:1px solid #bdcec7;border-radius:10px;padding:13px;font:inherit;color:var(--lib-ink);background:#fff}.library-search button{align-self:end;border:0;border-radius:10px;padding:14px 24px;background:var(--lib-coral);color:#fff;font:inherit;font-weight:900;cursor:pointer}.popular-searches{display:flex;flex-wrap:wrap;align-items:center;gap:7px;justify-content:center;margin:18px}.popular-searches span{font-size:.8rem;color:var(--lib-muted)}.popular-searches button{border:1px solid var(--lib-line);border-radius:999px;background:#fff;padding:7px 10px;color:var(--lib-green);cursor:pointer}.library-status{text-align:center;color:var(--lib-muted);min-height:24px;margin:18px}.result-stack{display:grid;gap:24px}.result-section{scroll-margin-top:18px}.result-heading{display:flex;align-items:end;justify-content:space-between;gap:15px;margin:6px 0 13px}.result-heading h2{font-size:clamp(1.6rem,3vw,2.35rem);margin:3px 0}.result-heading p{color:var(--lib-muted);margin:0}.knowledge-card{display:grid;grid-template-columns:330px minmax(0,1fr);gap:0;border:1px solid var(--lib-line);border-radius:22px;background:#fff;overflow:hidden;box-shadow:0 10px 34px #16372f0c}.knowledge-visual{min-height:300px;padding:25px;background:#edf5f1;display:grid;place-items:center}.knowledge-visual svg{width:100%;height:auto;max-height:270px}.knowledge-copy{padding:28px}.knowledge-copy h2{font-size:2.25rem;margin:4px 0}.knowledge-copy .translation{color:var(--lib-coral);font-weight:900;font-size:1.05rem}.badges{display:flex;gap:7px;flex-wrap:wrap;margin:13px 0}.badges span{padding:6px 9px;border-radius:999px;background:#edf5f1;color:var(--lib-green);font-size:.76rem;font-weight:900}.fact-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:18px}.fact-grid div{background:var(--lib-cream);border-radius:11px;padding:11px}.fact-grid small,.spot-card small{display:block;color:var(--lib-muted);font-weight:800;margin-bottom:4px}.fact-grid strong{overflow-wrap:anywhere}.spot-card{margin-top:18px;padding:16px;border-left:5px solid var(--lib-coral);border-radius:10px;background:#fff6ef}.spot-card strong{display:block;font-size:1.25rem}.spot-card p{margin:5px 0}.grammar-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.grammar-card{border:1px solid var(--lib-line);border-radius:17px;background:#fff;overflow:hidden}.grammar-card .mini-visual{height:190px;background:#f0f6f3;display:grid;place-items:center;padding:14px}.grammar-card .mini-visual svg{width:100%;height:100%}.grammar-card>div:last-child{padding:18px}.grammar-card h3{margin:6px 0}.grammar-card .spot{font-weight:800;color:var(--lib-green)}.sentence-toolbar{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:12px}.sentence-toolbar select,.sentence-toolbar button{border:1px solid #bdcec7;background:#fff;border-radius:9px;padding:10px 12px;font:inherit}.sentence-toolbar button{background:var(--lib-green);color:#fff;border-color:var(--lib-green);font-weight:900;cursor:pointer}.sentence-table{display:grid;gap:9px}.sentence-row{display:grid;grid-template-columns:75px minmax(0,1fr) minmax(0,1fr) auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--lib-line);border-radius:14px;padding:14px}.sentence-row .level{justify-self:start;background:#edf5f1;color:var(--lib-green);font-weight:900;border-radius:999px;padding:6px 9px}.sentence-de strong,.sentence-tr strong{display:block;line-height:1.5}.sentence-row small{color:var(--lib-muted)}.audio-button{width:42px;height:42px;border:0;border-radius:50%;background:var(--lib-green);color:#fff;font-size:1rem;cursor:pointer}.audio-button.playing{background:var(--lib-coral);box-shadow:0 0 0 5px #dc6b4320}.video-result-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.video-result-card{border:1px solid var(--lib-line);border-radius:15px;background:#fff;overflow:hidden}.video-result-card iframe{display:block;width:100%;aspect-ratio:16/9;border:0;background:#173b33}.video-result-card div{padding:13px}.video-result-card h3{font-size:1rem;margin:5px 0}.video-result-card small{color:var(--lib-muted)}.ai-box,.test-box{border-radius:18px;padding:22px;background:#14362f;color:#fff}.ai-box{display:flex;align-items:center;justify-content:space-between;gap:20px}.ai-box p{color:#d7e8e3;margin:5px 0}.ai-box button,.test-box button{border:0;border-radius:9px;background:var(--lib-coral);color:#fff;padding:11px 14px;font:inherit;font-weight:900;cursor:pointer}.test-builder{display:flex;gap:10px;flex-wrap:wrap;align-items:end}.test-builder label{font-size:.75rem;color:#d7e8e3;font-weight:800}.test-builder select{display:block;margin-top:5px;padding:10px;border-radius:8px;border:0}.quiz-panel{margin-top:14px;background:#fff;color:var(--lib-ink);border-radius:14px;padding:18px}.quiz-panel textarea,.quiz-panel input{width:100%;border:1px solid #bdcec7;border-radius:9px;padding:12px;font:inherit;margin:10px 0}.quiz-feedback{padding:11px;border-radius:9px;background:#edf5f1;white-space:pre-wrap}.quiz-feedback.wrong{background:#fff0ea}.empty-library{padding:35px;text-align:center;border:1px dashed #b9cbc4;border-radius:16px;background:#fff;color:var(--lib-muted)}#library-toast{position:fixed;right:18px;bottom:18px;z-index:50;background:#14362f;color:#fff;border-radius:10px;padding:13px 17px;opacity:0;transform:translateY(8px);transition:.2s;pointer-events:none}#library-toast.show{opacity:1;transform:none}@media(max-width:900px){.library-hero,.knowledge-card{grid-template-columns:1fr}.hero-visual{min-height:180px}.knowledge-visual{min-height:240px}.video-result-grid{grid-template-columns:repeat(2,1fr)}.sentence-row{grid-template-columns:60px minmax(0,1fr) auto}.sentence-tr{grid-column:2/4}.ai-box{align-items:flex-start;flex-direction:column}}@media(max-width:700px){.library-main{padding:22px 12px 60px}.library-hero{padding:28px 20px;border-radius:18px}.library-search{grid-template-columns:1fr;margin-top:12px;width:100%}.library-search button{width:100%}.grammar-grid,.video-result-grid{grid-template-columns:1fr}.knowledge-copy{padding:20px}.fact-grid{grid-template-columns:1fr}.sentence-row{grid-template-columns:52px minmax(0,1fr) auto;padding:11px;gap:8px}.result-heading{display:block}}