.lbp{--lbp-ink:#1f2937;--lbp-muted:#6b7280;--lbp-line:#eef0f3;--lbp-accent:var(--ui-accent,#c1272d);--lbp-accent-2:color-mix(in srgb, var(--lbp-accent) 70%, #000);flex-direction:column;gap:16px;display:flex}.lbp .lbp-hero{color:#fff;background:radial-gradient(120% 140% at 0% 0%, color-mix(in srgb, var(--lbp-accent) 70%, #fff) 0%, transparent 45%),linear-gradient(120deg, var(--lbp-accent), var(--lbp-accent-2));box-shadow:0 16px 34px -20px color-mix(in srgb, var(--lbp-accent) 70%, transparent);border-radius:20px;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:20px;padding:24px 26px;display:grid;position:relative;overflow:hidden}.lbp .lbp-hero:before{content:"";pointer-events:none;background-image:radial-gradient(#ffffff24 1.2px,#0000 1.3px);background-size:18px 18px;position:absolute;inset:0}.lbp .lbp-hero-text{min-width:0;position:relative}.lbp .lbp-hero-text small{background:#ffffff29;border:1px solid #ffffff47;border-radius:99px;align-items:center;gap:6px;padding:4px 11px;font-size:12px;font-weight:700;display:inline-flex}.lbp .lbp-hero-text small svg{display:block}.lbp .lbp-hero-text h1{color:#fff;margin:10px 0 6px;font-size:30px;font-weight:900}.lbp .lbp-hero-text p{color:#ffffffe6;max-width:560px;margin:0;font-size:14.5px;line-height:1.55}.lbp .lbp-hero-search{color:#9ca3af;background:#fff;border-radius:14px;align-items:center;gap:10px;max-width:560px;height:50px;margin-top:16px;padding:0 16px;display:flex;box-shadow:0 10px 24px -12px #0006}.lbp .lbp-hero-search svg{flex-shrink:0;display:block}.lbp .lbp-hero-search input{min-width:0;font:inherit;color:var(--lbp-ink);background:0 0;border:0;outline:0;flex:1;font-size:15px}.lbp .lbp-hero-search button{width:26px;height:26px;color:var(--lbp-muted);cursor:pointer;background:#f3f4f6;border:0;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.lbp .lbp-hero-stats{grid-template-columns:repeat(2,minmax(110px,1fr));gap:8px;display:grid;position:relative}.lbp .lbp-hero-stats>div{background:#ffffff24;border:1px solid #ffffff38;border-radius:14px;grid-template-rows:auto auto;grid-template-columns:auto 1fr;align-items:center;column-gap:10px;padding:10px 14px;display:grid}.lbp .lbp-hero-stats>div span{background:#fff3;border-radius:11px;grid-row:span 2;justify-content:center;align-items:center;width:36px;height:36px;display:inline-flex}.lbp .lbp-hero-stats>div span svg{display:block}.lbp .lbp-hero-stats>div b{font-size:20px;font-weight:900;line-height:1.1}.lbp .lbp-hero-stats>div small{opacity:.9;font-size:12px}.lbp .lbp-recent{border:1px solid var(--lbp-line);background:#fff;border-radius:18px;padding:14px 16px}.lbp .lbp-recent h3{color:var(--lbp-ink);align-items:center;gap:8px;margin:0 0 10px;font-size:15px;font-weight:900;display:flex}.lbp .lbp-recent h3 svg{color:var(--lbp-accent);display:block}.lbp .lbp-recent-row{scrollbar-width:thin;gap:10px;padding-bottom:4px;display:flex;overflow-x:auto}.lbp .lbp-recent-item{border:1px solid var(--lbp-line);color:inherit;background:#fafaf9;border-radius:14px;flex:0 0 270px;align-items:center;gap:10px;padding:8px;text-decoration:none;transition:all .15s;display:flex}.lbp .lbp-recent-item:hover{border-color:color-mix(in srgb, var(--lbp-accent) 30%, #fff);background:#fff}.lbp .lbp-recent-item:hover .lbp-recent-go{background:var(--lbp-accent);color:#fff}.lbp .lbp-recent-cover{border-radius:12px;flex-shrink:0;width:52px;height:52px;overflow:hidden}.lbp .lbp-recent-text{flex-direction:column;flex:1;min-width:0;display:flex}.lbp .lbp-recent-text b{color:var(--lbp-ink);white-space:nowrap;text-overflow:ellipsis;font-size:13.5px;font-weight:800;overflow:hidden}.lbp .lbp-recent-text small{color:var(--lbp-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12px;overflow:hidden}.lbp .lbp-recent-go{background:color-mix(in srgb, var(--lbp-accent) 10%, #fff);width:32px;height:32px;color:var(--lbp-accent);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:all .15s;display:inline-flex}.lbp .lbp-recent-go svg{display:block}.lbp .lbp-tabs{background:#f5f3ef;border-radius:14px;flex-wrap:wrap;align-self:flex-start;gap:4px;padding:4px;scroll-margin-top:14px;display:flex}.lbp .lbp-tabs button{height:38px;font:inherit;color:#57534e;cursor:pointer;background:0 0;border:0;border-radius:10px;align-items:center;gap:6px;padding:0 14px;font-size:13.5px;font-weight:800;display:inline-flex}.lbp .lbp-tabs button svg{display:block}.lbp .lbp-tabs button small{text-align:center;background:#0000000f;border-radius:99px;min-width:20px;padding:0 6px;font-size:11.5px}.lbp .lbp-tabs button:hover:not(.on){color:var(--lbp-accent)}.lbp .lbp-tabs button.on{color:var(--lbp-accent);background:#fff;box-shadow:0 1px 4px #0000001a}.lbp .lbp-filters{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:10px 16px;display:flex}.lbp .lbp-subjects{flex-wrap:wrap;flex:400px;gap:6px;display:flex}.lbp .lbp-subjects button{border:1.5px solid var(--lbp-line);height:34px;font:inherit;color:#4b5563;cursor:pointer;background:#fff;border-radius:99px;align-items:center;gap:6px;padding:0 12px 0 8px;font-size:13px;font-weight:700;display:inline-flex}.lbp .lbp-subjects button svg,.lbp .lbp-subjects button img{flex-shrink:0;display:block}.lbp .lbp-subjects button small{color:#9ca3af;font-size:11px}.lbp .lbp-subjects button:hover:not(.on){border-color:color-mix(in srgb, var(--lbp-accent) 35%, #fff)}.lbp .lbp-subjects button.on{background:var(--lbp-accent);border-color:var(--lbp-accent);color:#fff}.lbp .lbp-subjects button.on small{color:#fffc}.lbp .lbp-selects{flex-wrap:wrap;gap:8px;display:flex}.lbp .lbp-selects select{border:1.5px solid var(--lbp-line);height:38px;font:inherit;color:var(--lbp-ink);cursor:pointer;background:#fff;border-radius:10px;padding:0 30px 0 12px;font-size:13.5px;font-weight:700}.lbp .lbp-clear{color:#b91c1c;height:38px;font:inherit;cursor:pointer;background:#fef2f2;border:0;border-radius:10px;align-items:center;gap:4px;padding:0 12px;font-size:13px;font-weight:800;display:inline-flex}.lbp .lbp-clear svg{display:block}.lbp .lbp-count{color:var(--lbp-muted);margin:0;font-size:13px;font-weight:700}.lbp .lbp-grid{grid-template-columns:repeat(auto-fill,minmax(min(250px,100%),1fr));gap:14px;transition:opacity .15s;display:grid}.lbp .lbp-grid.is-loading{opacity:.55}.lbp .lbp-card{border:1px solid var(--lbp-line);background:#fff;border-radius:18px;flex-direction:column;transition:transform .18s,box-shadow .18s;display:flex;overflow:hidden;box-shadow:0 2px 10px #0f172a0a}.lbp .lbp-card:hover{transform:translateY(-4px);box-shadow:0 16px 30px -18px #0f172a59}.lbp .lbp-cover{aspect-ratio:16/9;background:#f3f4f6;position:relative;overflow:hidden}.lbp .lbp-cover .pc-gen,.lbp .lbp-cover .pc-img{object-fit:cover;border-radius:0;width:100%;height:100%}.lbp .lbp-doc-cover{color:#fff;background:linear-gradient(135deg,#64748b,#334155);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.lbp .lbp-doc-cover svg{opacity:.9;display:block}.lbp .lbp-type{color:#fff;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);background:#0f172a8c;border-radius:99px;align-items:center;gap:4px;padding:3px 9px;font-size:11.5px;font-weight:800;display:inline-flex;position:absolute;top:10px;left:10px}.lbp .lbp-type svg{display:block}.lbp .lbp-type.flashcard{background:#7c4ddbd9}.lbp .lbp-type.quiz{background:#2563ebd9}.lbp .lbp-type.doc{background:#475569d9}.lbp .lbp-fav{color:#6b7280;cursor:pointer;background:#ffffffeb;border:0;border-radius:50%;justify-content:center;align-items:center;width:34px;height:34px;transition:all .15s;display:inline-flex;position:absolute;top:10px;right:10px;box-shadow:0 4px 10px #00000026}.lbp .lbp-fav svg{display:block}.lbp .lbp-fav:hover{color:var(--lbp-accent);transform:scale(1.06)}.lbp .lbp-fav.on{color:#f59e0b}.lbp .lbp-done{color:#fff;background:#0f172a99;border-radius:99px;padding:2px 9px;font-size:11.5px;font-weight:800;position:absolute;bottom:10px;right:10px}.lbp .lbp-done.good{background:#16a34a}.lbp .lbp-body{flex-direction:column;flex:1;gap:6px;padding:12px 14px 14px;display:flex}.lbp .lbp-body h4{color:var(--lbp-ink);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:15px;font-weight:900;line-height:1.35;display:-webkit-box;overflow:hidden}.lbp .lbp-body p{color:var(--lbp-muted);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:12.5px;line-height:1.45;display:-webkit-box;overflow:hidden}.lbp .lbp-tags{flex-wrap:wrap;gap:4px;display:flex}.lbp .lbp-tags i{color:#4b5563;background:#f3f4f6;border-radius:99px;align-items:center;gap:3px;padding:1px 8px;font-size:11px;font-style:normal;font-weight:800;display:inline-flex}.lbp .lbp-tags i svg{display:block}.lbp .lbp-tags i.subj{background:color-mix(in srgb, var(--lbp-accent) 9%, #fff);color:var(--lbp-accent)}.lbp .lbp-tags i.lv1{color:#15803d;background:#f0fdf4}.lbp .lbp-tags i.lv3{color:#b45309;background:#fffbeb}.lbp .lbp-tags i.lv5{color:#b91c1c;background:#fef2f2}.lbp .lbp-meta{color:var(--lbp-muted);flex-wrap:wrap;gap:4px 12px;margin-top:auto;padding-top:4px;font-size:12.5px;font-weight:600;display:flex}.lbp .lbp-meta span{align-items:center;gap:4px;display:inline-flex}.lbp .lbp-meta span svg{color:#9ca3af;display:block}.lbp .lbp-meta .star{color:#b45309;font-weight:800}.lbp .lbp-meta .star svg{color:#f59e0b}.lbp .lbp-cta{background:var(--lbp-accent);color:#fff;border-radius:11px;justify-content:center;align-items:center;gap:6px;height:38px;margin-top:6px;font-size:13.5px;font-weight:800;text-decoration:none;transition:all .15s;display:inline-flex}.lbp .lbp-cta svg{display:block}.lbp .lbp-cta:hover{background:var(--lbp-accent-2)}.lbp .lbp-card.flashcard .lbp-cta{background:#7c4ddb}.lbp .lbp-card.flashcard .lbp-cta:hover{background:#6236c2}.lbp .lbp-files{flex-direction:column;gap:4px;margin-top:auto;display:flex}.lbp .lbp-files a{border:1px solid var(--lbp-line);color:var(--lbp-ink);background:#f8fafc;border-radius:10px;align-items:center;gap:6px;padding:7px 9px;font-size:12.5px;font-weight:700;text-decoration:none;display:flex}.lbp .lbp-files a svg{color:#64748b;flex-shrink:0;display:block}.lbp .lbp-files a span{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.lbp .lbp-files a:hover{border-color:var(--lbp-accent)}.lbp .lbp-files a:hover svg:last-child{color:var(--lbp-accent)}.lbp .lbp-files small{color:var(--lbp-muted);font-size:11.5px}.lbp .lbp-empty{border:1px solid var(--lbp-line);text-align:center;background:#fff;border-radius:18px;flex-direction:column;align-items:center;gap:6px;padding:40px 16px;display:flex}.lbp .lbp-empty>span{width:70px;height:70px;color:var(--lbp-accent);background:#fff1f1;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.lbp .lbp-empty>span svg{display:block}.lbp .lbp-empty b{font-size:17px}.lbp .lbp-empty p{max-width:400px;color:var(--lbp-muted);margin:0}.lbp .lbp-pager{flex-wrap:wrap;justify-content:center;align-items:center;gap:6px;margin-top:4px;display:flex}.lbp .lbp-pager button{border:1.5px solid var(--lbp-line);min-width:38px;height:38px;font:inherit;color:var(--lbp-ink);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;padding:0 8px;font-size:14px;font-weight:800;display:inline-flex}.lbp .lbp-pager button svg{display:block}.lbp .lbp-pager button:hover:not(:disabled):not(.on){border-color:var(--lbp-accent);color:var(--lbp-accent)}.lbp .lbp-pager button.on{background:var(--lbp-accent);border-color:var(--lbp-accent);color:#fff}.lbp .lbp-pager button:disabled{opacity:.4;cursor:default}.lbp .lbp-pager .lbp-pg{align-items:center;gap:6px;display:inline-flex}.lbp .lbp-pager .lbp-pg em{color:#9ca3af;font-style:normal}@media (max-width:860px){.lbp .lbp-hero{grid-template-columns:1fr;padding:20px 18px}.lbp .lbp-hero-text h1{font-size:25px}.lbp .lbp-tabs{align-self:stretch}.lbp .lbp-tabs button{flex:auto;justify-content:center;padding:0 8px}.lbp .lbp-recent-item{flex-basis:230px}}html[data-theme=dark] .lbp{--lbp-ink:#ece9ff;--lbp-muted:#a8a3d6;--lbp-line:#8b5cf638}html[data-theme=dark] .lbp .lbp-recent,html[data-theme=dark] .lbp .lbp-card,html[data-theme=dark] .lbp .lbp-empty,html[data-theme=dark] .lbp .lbp-subjects button:not(.on),html[data-theme=dark] .lbp .lbp-selects select,html[data-theme=dark] .lbp .lbp-pager button:not(.on){background:#1f1a4d}html[data-theme=dark] .lbp .lbp-recent-item,html[data-theme=dark] .lbp .lbp-files a,html[data-theme=dark] .lbp .lbp-tags i:not(.subj):not(.lv1):not(.lv3):not(.lv5){background:#ffffff0d}html[data-theme=dark] .lbp .lbp-tabs{background:#ffffff0f}html[data-theme=dark] .lbp .lbp-tabs button{color:#c9c4f2}html[data-theme=dark] .lbp .lbp-tabs button.on{background:#2b2566}