.lb-levels{margin-bottom:8px}.lb-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;display:grid}.lb-item{flex-direction:column;gap:12px;transition:transform .15s,box-shadow .15s;display:flex}.lb-item:hover{transform:translateY(-1px);box-shadow:0 6px 18px #2b1a1114}.lb-main{color:inherit;align-items:flex-start;gap:14px;text-decoration:none;display:flex}.lb-main:hover .lb-title{text-decoration:underline}.lb-icon{color:#b8552e;background:#fbe9dc;border-radius:12px;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.lb-icon.audio{color:#5d6e4b;background:#e8edde}.lb-icon.video{color:#8b5a3c;background:#f8eedb}.lb-icon.pdf,.lb-icon.file{color:#8b5a3c;background:#f5f1e8}.lb-text{flex-direction:column;gap:4px;min-width:0;display:flex}.lb-title{color:#2b1a11;font-size:1.05rem;font-weight:600}.lb-desc{color:#8b5a3c;font-size:.9rem;line-height:1.5}.lb-meta{color:#a08a6c;align-items:center;gap:8px;font-size:.8rem;font-weight:600;display:flex}.lb-admin{border-top:1px solid #f2ead9;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 12px;padding-top:10px;display:flex}.lb-form{flex-direction:column;gap:12px;margin-bottom:20px;display:flex}.lb-row{flex-wrap:wrap;gap:12px;display:flex}.lb-row .hw-select{flex:1;min-width:200px}.lb-textarea{font-family:inherit}.lb-source{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.lb-source .text-input{flex:1;min-width:220px}.lb-file{color:#2b1a11;font-weight:600}.lb-visibility{flex-direction:column;gap:8px;display:flex}.lb-groups{flex-wrap:wrap;gap:8px;display:flex}.lb-skills{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;display:grid}.lb-skill{text-align:left;cursor:pointer;border:0;border-top:4px solid #a85526;flex-direction:column;align-items:flex-start;gap:6px;font-family:inherit;transition:transform .15s,box-shadow .15s;display:flex}.lb-skill:nth-child(3n+2){border-top-color:#c99a56}.lb-skill:nth-child(3n){border-top-color:#7d8f69}.lb-skill:hover{transform:translateY(-2px);box-shadow:0 8px 20px #2b1a1114}.lb-skill-name{color:#2b1a11;font-size:1.2rem;font-weight:600}.lb-skill-count{color:#8b5a3c;font-size:.85rem}.lb-shelf-card{padding:36px 30px 30px}.lb-shelf{flex-wrap:wrap;justify-content:center;align-items:flex-end;row-gap:36px;display:flex}.lb-book-slot{align-items:flex-end;margin-bottom:16px;padding:0 3px;display:flex;position:relative}.lb-book-slot:after{content:"";box-sizing:border-box;background:#f3d9b1;border-top:2.5px solid #2b1a11;border-bottom:2.5px solid #2b1a11;height:16px;position:absolute;bottom:-16px;left:0;right:0}.lb-shelf .lb-book-slot:first-child{padding-left:18px}.lb-shelf .lb-book-slot:first-child:after{border-left:2.5px solid #2b1a11;border-radius:6px 0 0 6px}.lb-shelf .lb-book-slot:last-child{padding-right:18px}.lb-shelf .lb-book-slot:last-child:after{border-right:2.5px solid #2b1a11;border-radius:0 6px 6px 0}.lb-book{--book:#ffe0b2;box-sizing:border-box;color:#2b1a11;cursor:pointer;background:linear-gradient(180deg, transparent 10px, #2b1a11 10px, #2b1a11 12px, transparent 12px), linear-gradient(0deg, transparent 10px, #2b1a11 10px, #2b1a11 12px, transparent 12px), var(--book);border:2.5px solid #2b1a11;border-bottom:0;border-radius:8px 8px 0 0;flex-direction:column;justify-content:space-between;align-items:center;gap:10px;padding:24px 0;font-family:inherit;transition:transform .2s;display:flex;position:relative}.lb-book:hover,.lb-book:focus-visible{transform:translateY(-10px)}.lb-book.empty{opacity:.45}.lb-book-icon{color:#2b1a11;display:flex}.lb-book-title{writing-mode:vertical-rl;color:#2b1a11;letter-spacing:.03em;white-space:nowrap;background:#fff;border:2px solid #2b1a11;border-radius:6px;flex:1;justify-content:center;align-items:center;padding:10px 3px;font-family:inherit;font-size:.95rem;font-weight:600;display:flex;transform:rotate(180deg)}.lb-book-count{color:#2b1a11;font-size:.75rem;font-weight:700}@media (max-width:600px){.lb-shelf-card{padding:24px 8px 20px}.lb-book{width:52px!important}}.lb-back{cursor:pointer;background:0 0;border:0;padding:0;font-family:inherit}.lb-title{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.lb-tools{border-top:1px solid #f2ead9;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px 10px;padding-top:8px;display:flex}.lb-only{color:#a08a6c;margin-right:auto;font-size:.8rem}.lb-tips{flex-direction:column;display:flex}.lb-tip{border-bottom:1px solid #f2ead9;padding:14px 0}.lb-tip:first-child{padding-top:0}.lb-tip:last-child{border-bottom:0;padding-bottom:0}.lb-tip-title{color:#b8552e;flex-wrap:wrap;align-items:center;gap:6px;font-weight:600;display:flex}.lb-tip-text{color:#2b1a11;margin:4px 0 0;line-height:1.65}.lb-tip .lb-tools,.lb-activity .lb-tools{border-top:0;padding-top:4px}.lb-activities{flex-direction:column;margin:0;list-style:none;display:flex}.lb-activity{border-bottom:1px solid #f2ead9;flex-wrap:wrap;align-items:flex-start;gap:10px;padding:12px 0;display:flex}.lb-activity:first-child{padding-top:0}.lb-activity:last-child{border-bottom:0;padding-bottom:0}.lb-bullet{background:#a85526;border-radius:50%;flex-shrink:0;width:10px;height:10px;margin-top:7px}.lb-activity-text{color:#2b1a11;flex:1;min-width:0;line-height:1.6}.lb-activity-text a,.lb-tip-text a{color:#b8552e;font-weight:600}.lb-also{color:#a08a6c;margin-left:8px;font-size:.8rem;display:inline-block}.lb-activity-text .level-badge,.lb-tip-title .level-badge{margin-left:6px}.lb-kinds{flex-wrap:wrap;gap:8px;display:flex}.lb-field{flex-direction:column;gap:8px;display:flex}.lb-new-skill{flex:0 200px;min-width:160px}