:root{--bg-dark:#0d0d0d;--bg-shelf:#1a1a1a;--wood-dark:#2d1f14;--wood-medium:#4a3423;--wood-light:#6b4e35;--parchment:#f4e4bc;--parchment-dark:#e8d5a3;--gold:#c9a84c;--gold-light:#e8d5a3;--text-primary:#e8e4dc;--text-secondary:#a09888;--text-muted:#6b6558;--text-dark:#1a1209;--border-shelf:#2a2520;--shadow-deep:0 8px 32px #000c;--font-display:"Playfair Display", Georgia, serif;--font-title:"Cinzel", serif;--font-body:"Inter", system-ui, sans-serif;--font-mono:"JetBrains Mono", monospace;--area-proyectos:#e07b39;--area-marketing:#c75b7a;--area-convenios:#5a9a6e;--area-rrpp:#d4a843;--area-negocios:#5b8db8}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden}.library-bg{z-index:-1;background-image:url(https://images.unsplash.com/photo-1507842217343-583bb7270b66?w=1920&q=80);background-position:50%;background-size:cover;background-attachment:fixed;position:fixed;inset:0}.library-bg:before{content:"";background:linear-gradient(#0d0d0deb 0%,#0d0d0dd9 20%,#0d0d0dbf 50%,#0d0d0de0 80%,#0d0d0df2 100%);position:absolute;inset:0}.library-bg:after{content:"";background:radial-gradient(at 50% 30%,#c9a84c0f 0%,#0000 60%);position:absolute;inset:0}@keyframes shelf-in{to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.header{z-index:10;text-align:center;padding:2.5rem 1rem 1.5rem;position:relative}.header-title{font-family:var(--font-title);color:var(--gold);letter-spacing:.12em;text-transform:uppercase;font-size:clamp(1.5rem,3vw,2.25rem);font-weight:600;line-height:1.2}.header-subtitle{font-family:var(--font-display);color:var(--parchment);opacity:.8;margin-top:.5rem;font-size:1rem;font-style:italic}.stats-container{z-index:10;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;max-width:900px;margin:0 auto 2rem;padding:0 1rem;display:grid;position:relative}.stat-card{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:center;background:#1a1a1a99;border:1px solid #c9a84c26;border-radius:8px;padding:1rem;transition:transform .3s}.stat-card:hover{border-color:#c9a84c66;transform:translateY(-2px)}.stat-value{font-family:var(--font-mono);color:var(--gold);font-size:1.5rem;font-weight:700}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:.25rem;font-size:.75rem}.search-section{z-index:10;max-width:700px;margin:0 auto 2rem;padding:0 1rem;position:relative}.search-box{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#1a1a1acc;border:1px solid #c9a84c33;border-radius:8px;align-items:center;padding:.5rem;transition:all .3s;display:flex}.search-box:focus-within{border-color:#c9a84c66;box-shadow:0 0 20px #c9a84c1a}.search-icon{color:var(--text-muted);padding:0 .75rem;font-size:1rem}.search-input{font-family:var(--font-body);color:var(--text-primary);background:0 0;border:none;outline:none;flex:1;padding:.625rem .5rem;font-size:.9rem}.search-input::placeholder{color:var(--text-muted)}.search-clear{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:.5rem;font-size:.875rem;transition:color .2s}.search-clear:hover{color:var(--text-primary)}.filters-row{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:1rem;display:flex}.filter-pill{color:var(--text-secondary);cursor:pointer;background:#1a1a1a99;border:1px solid #ffffff1a;border-radius:100px;align-items:center;gap:.5rem;padding:.25rem .75rem;font-size:.75rem;transition:all .2s;display:flex}.filter-pill:hover{background:#ffffff1a}.filter-pill.active{background:var(--wood-medium);border-color:var(--gold);color:var(--parchment)}.filter-count{background:#0000004d;border-radius:100px;padding:.1rem .4rem;font-size:.65rem}.actions-row{z-index:10;justify-content:center;gap:1rem;margin-bottom:2rem;display:flex;position:relative}.btn-action{background:linear-gradient(135deg, var(--wood-medium), var(--wood-dark));border:1px solid var(--gold);color:var(--parchment);cursor:pointer;font-family:var(--font-title);border-radius:4px;align-items:center;gap:.5rem;padding:.5rem 1rem;font-size:.8rem;transition:all .2s;display:flex}.btn-action:hover{background:linear-gradient(135deg, var(--wood-dark), #111);box-shadow:0 4px 12px #c9a84c33}.btn-action.secondary{color:var(--text-primary);background:#1a1a1a99;border-color:#fff3}.btn-action.secondary:hover{background:#1a1a1ae6}.view-toggle{background:#1a1a1a99;border:1px solid #ffffff1a;border-radius:4px;display:flex;overflow:hidden}.view-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:.5rem .75rem;transition:all .2s}.view-btn.active{color:var(--gold);background:#ffffff1a}.upload-zone{text-align:center;z-index:10;cursor:pointer;background:#1a1a1a66;border:2px dashed #c9a84c4d;border-radius:8px;max-width:600px;margin:0 auto 2rem;padding:2rem;transition:all .2s;position:relative}.upload-zone.active{border-color:var(--gold);background:#c9a84c1a}.upload-zone p{color:var(--text-muted);font-size:.9rem}.bookshelves{z-index:10;max-width:1200px;margin:0 auto;padding:0 1rem 3rem;position:relative}.shelf-unit{opacity:0;margin-bottom:2rem;animation:.5s ease-out forwards shelf-in;transform:translateY(20px)}.shelf-header{align-items:center;gap:.75rem;margin-bottom:.75rem;padding:0 .5rem;display:flex}.shelf-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.shelf-name{font-family:var(--font-title);color:var(--text-secondary);letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;font-weight:600}.shelf-count{font-family:var(--font-mono);color:var(--text-muted);margin-left:auto;font-size:.7rem}.shelf-board{border:1px solid var(--border-shelf);box-shadow:var(--shadow-deep);background:linear-gradient(#2a2520f2 0%,#1e1a16fa 100%);border-radius:6px;padding:1rem 1rem .75rem;position:relative}.shelf-board:before{content:"";background:linear-gradient(#c9a84c1a,#0000);border-radius:0 0 6px 6px;height:4px;position:absolute;bottom:0;left:0;right:0}.books-row{flex-wrap:wrap;align-items:flex-end;gap:.5rem;min-height:60px;display:flex}.list-view .shelf-board{background:#1e1a16cc;padding:.5rem}.list-view .books-row{flex-direction:column;gap:.25rem}.book-h{cursor:pointer;border-radius:4px;flex:160px;align-items:center;gap:.625rem;min-width:140px;max-width:280px;height:48px;padding:0 .875rem;transition:all .25s cubic-bezier(.34,1.56,.64,1);display:flex;position:relative;overflow:hidden;box-shadow:0 2px 4px #0006,inset 0 1px #ffffff14,inset 0 -1px #0003}.list-view .book-h{flex-basis:100%;max-width:100%;height:auto;padding:.5rem 1rem}.book-h:hover{z-index:10;transform:translateY(-4px)scale(1.02);box-shadow:0 8px 24px #00000080,0 0 0 1px #ffffff1a,inset 0 1px #ffffff1f}.list-view .book-h:hover{transform:translate(4px)}.book-h:before{content:"";opacity:.8;background:currentColor;width:4px;position:absolute;top:0;bottom:0;left:0}.book-icon{opacity:.85;flex-shrink:0;font-size:1rem}.book-text{flex-direction:column;flex:1;gap:1px;min-width:0;display:flex}.list-view .book-text{flex-direction:row;align-items:center;gap:1rem}.book-title{color:#ffffffeb;white-space:nowrap;text-overflow:ellipsis;letter-spacing:.01em;font-size:.78rem;font-weight:500;line-height:1.3;overflow:hidden}.list-view .book-title{flex:1}.book-meta{font-family:var(--font-mono);color:#ffffff80;white-space:nowrap;text-overflow:ellipsis;font-size:.65rem;overflow:hidden}.fav-btn{color:#ffffff4d;cursor:pointer;background:0 0;border:none;padding:0 .25rem;font-size:1rem;transition:color .2s}.fav-btn:hover{color:#fffc}.fav-btn.active{color:var(--gold)}.area-proyectos{color:var(--area-proyectos);background:linear-gradient(135deg,#e07b3926,#e07b3914);border:1px solid #e07b3933}.area-marketing{color:var(--area-marketing);background:linear-gradient(135deg,#c75b7a26,#c75b7a14);border:1px solid #c75b7a33}.area-convenios{color:var(--area-convenios);background:linear-gradient(135deg,#5a9a6e26,#5a9a6e14);border:1px solid #5a9a6e33}.area-rrpp{color:var(--area-rrpp);background:linear-gradient(135deg,#d4a84326,#d4a84314);border:1px solid #d4a84333}.area-negocios{color:var(--area-negocios);background:linear-gradient(135deg,#5b8db826,#5b8db814);border:1px solid #5b8db833}.area-otros{color:#8b8378;background:linear-gradient(135deg,#8b837826,#8b837814);border:1px solid #8b837833}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;opacity:0;pointer-events:none;background:#2c1c10e6;justify-content:center;align-items:center;padding:1rem;transition:opacity .4s;display:flex;position:fixed;inset:0}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-container{background:linear-gradient(135deg, var(--parchment), var(--parchment-dark));border-radius:8px;width:100%;max-width:800px;max-height:85vh;transition:transform .4s cubic-bezier(.34,1.56,.64,1);display:flex;overflow:hidden;transform:scale(.9)rotateY(-5deg);box-shadow:0 24px 80px #0009}.modal-overlay.active .modal-container{transform:scale(1)rotateY(0)}.modal-cover{width:280px;min-width:280px;color:var(--text-dark);flex-direction:column;justify-content:center;align-items:center;padding:2rem;display:flex;position:relative}.modal-cover-decoration{border:1px solid #fff3;border-radius:4px;position:absolute;inset:.75rem}.modal-cover-decoration:before{content:"";border:1px solid #ffffff1a;border-radius:2px;position:absolute;inset:3px}.modal-cover-icon{filter:drop-shadow(0 4px 8px #0000004d);margin-bottom:1rem;font-size:3.5rem}.modal-cover-area{font-family:var(--font-title);letter-spacing:.15em;text-transform:uppercase;text-align:center;font-size:.8rem}.modal-content{color:var(--text-dark);flex:1;padding:1.75rem;overflow-y:auto}.modal-header{justify-content:space-between;align-items:flex-start;gap:1rem;margin-bottom:1.25rem;display:flex}.modal-title{font-family:var(--font-display);font-size:1.5rem;font-weight:700;line-height:1.25}.modal-close{color:red;cursor:pointer;background:0 0;border:none;font-size:1.5rem;line-height:1}.modal-close:hover{color:var(--text-dark)}.modal-description{color:var(--wood-medium);margin-bottom:1.25rem;font-size:.9rem;line-height:1.7}.modal-details{grid-template-columns:repeat(2,1fr);gap:.75rem;margin-bottom:1.25rem;display:grid}.detail-item{border-left:3px solid var(--wood-medium);background:#2d1f140f;border-radius:4px;padding:.625rem .75rem}.detail-label{text-transform:uppercase;letter-spacing:.1em;color:var(--wood-light);font-size:.65rem}.detail-value{margin-top:.2rem;font-size:.82rem;font-weight:500}.modal-tags{flex-wrap:wrap;gap:.375rem;margin-bottom:1.25rem;display:flex}.modal-tag{background:var(--wood-dark);color:var(--parchment);border-radius:100px;padding:.3rem .625rem;font-size:.72rem}.modal-actions{gap:.5rem;display:flex}.modal-action-btn{border:2px solid var(--wood-medium);background:var(--wood-medium);color:var(--parchment);font-family:var(--font-title);letter-spacing:.05em;cursor:pointer;text-align:center;border-radius:4px;flex:1;padding:.75rem 1.25rem;font-size:.8rem;text-decoration:none;transition:all .2s}.modal-action-btn:hover{background:var(--wood-dark);border-color:var(--wood-dark)}.modal-action-btn.secondary{color:var(--wood-medium);background:0 0}.modal-action-btn.secondary:hover{background:var(--parchment-dark)}.qr-container{background:#fff;border-radius:8px;justify-content:center;width:fit-content;margin:1rem 0;padding:1rem;display:flex}.toast-container{z-index:1001;flex-direction:column;gap:.5rem;display:flex;position:fixed;bottom:1.5rem;right:1.5rem}.toast{background:linear-gradient(135deg, var(--parchment), var(--parchment-dark));color:var(--text-dark);border:2px solid var(--wood-medium);border-radius:6px;padding:.875rem 1.25rem;font-size:.85rem;transition:all .35s cubic-bezier(.4,0,.2,1);transform:translate(120%);box-shadow:0 8px 24px #0006}.toast.show{transform:translate(0)}.empty-library{text-align:center;color:var(--text-muted);padding:5rem 2rem}.empty-library-icon{opacity:.4;margin-bottom:1rem;font-size:4rem}.empty-library-title{font-family:var(--font-display);color:var(--parchment);margin-bottom:.5rem;font-size:1.5rem}@media (width<=768px){.header{padding:1.5rem 1rem 1rem}.modal-container{flex-direction:column;width:95%;max-height:95vh}.modal-cover{flex-direction:row;justify-content:space-between;gap:1rem;width:100%;min-width:auto;padding:1rem}.modal-cover-decoration{display:none}.modal-cover-icon{margin-bottom:0;font-size:2rem}.modal-cover-area{text-align:left;flex:1;font-size:.7rem}.qr-container{transform-origin:100%;margin:0;padding:.5rem;transform:scale(.8)}.modal-content{flex:1;max-height:none;padding:1.25rem}.modal-title{font-size:1.25rem}.modal-details{grid-template-columns:1fr;gap:.5rem}.modal-actions{flex-direction:column}.actions-row{flex-direction:column;align-items:center}}