:root{--pdf-blue:#0058a3;--pdf-navy:#112f4d;--pdf-yellow:#ffd21c;--pdf-soft:#eef5f9;--pdf-line:#cddde7;--pdf-muted:#5d7182;--pdf-green:#18794e;--pdf-red:#b42318}
.pdf-hero{background:var(--pdf-yellow);color:#151515;padding:20px 0 38px;border-bottom:5px solid #e6b900}
.pdf-hero .wrap{width:min(920px,calc(100% - 28px))}
.pdf-hero h1{max-width:680px;margin:13px 0 8px;color:#151515!important;font-size:clamp(1.08rem,3.4vw,1.5rem)!important;font-weight:650!important;line-height:1.25;letter-spacing:0}
.pdf-hero p{max-width:720px;margin:0;color:#151515;font-size:.78rem;font-weight:600!important;line-height:1.5}
.pdf-back{color:#151515;text-decoration:none;font-weight:550!important;font-size:.8rem}
.pdf-main{width:min(820px,calc(100% - 28px));margin:-18px auto 42px}
.pdf-toolbar,.pdf-empty,.pdf-card,.pdf-categories{border:1px solid var(--pdf-line);background:#fff;box-shadow:none}
.pdf-categories{border-radius:10px;padding:15px;margin-bottom:12px}
.pdf-categories>h2{margin:0 0 11px;color:var(--pdf-navy);font-size:1rem!important;font-weight:650!important}
.pdf-category-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.pdf-category{display:flex;align-items:flex-start;gap:10px;width:100%;min-height:96px;border:1px solid var(--pdf-line);border-radius:8px;background:#fff;padding:11px;text-align:left;color:var(--pdf-navy);cursor:pointer;font:inherit}
.pdf-category:hover{border-color:var(--pdf-blue)}
.pdf-category.active{border-color:var(--pdf-blue);box-shadow:inset 4px 0 0 var(--pdf-blue);background:#f7fbfe}
.pdf-category-no{display:grid;place-items:center;flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--pdf-yellow);color:#151515;font-size:.75rem;font-weight:700}
.pdf-category strong{display:block;font-size:.8rem!important;font-weight:600!important;line-height:1.35}
.pdf-category small{display:block;margin-top:4px;color:var(--pdf-muted);font-size:.69rem;font-weight:400;line-height:1.4}
.pdf-toolbar{display:grid;grid-template-columns:1fr auto;gap:8px;padding:10px;border-radius:8px;margin-bottom:8px}
.pdf-toolbar input{width:100%;min-height:44px;border:1px solid var(--pdf-line);border-radius:8px;background:#fff;padding:9px 11px;font:inherit;font-weight:400!important;color:var(--pdf-navy)}
.pdf-toolbar input:focus{outline:3px solid #d9effc;border-color:var(--pdf-blue)}
.pdf-toolbar button{min-height:44px;border:1px solid var(--pdf-blue);border-radius:8px;background:#fff;padding:8px 12px;color:var(--pdf-blue);font:inherit;font-size:.7rem;font-weight:600;cursor:pointer}
.pdf-reading-note{margin:0 2px 13px;color:var(--pdf-muted);font-size:.72rem;line-height:1.45}
.pdf-grid{display:grid;grid-template-columns:1fr;gap:9px}
.pdf-card{display:flex;flex-direction:column;min-height:0;border-radius:8px;padding:14px 15px;position:relative;border-left:5px solid var(--pdf-yellow)}
.pdf-card:before{display:none}
.pdf-card h2{position:relative;margin:7px 0 4px;font-size:.95rem!important;font-weight:500!important;line-height:1.3;color:var(--pdf-navy)}
.pdf-card p{position:relative;margin:0 0 9px;color:var(--pdf-muted);font-size:.79rem;font-weight:400!important}
.pdf-meta{position:relative;display:flex;gap:6px;flex-wrap:wrap}
.pdf-chip{display:inline-flex;border:1px solid var(--pdf-line);border-radius:4px;background:#fff;padding:3px 6px;color:var(--pdf-muted);font-size:.64rem;font-weight:500!important}
.pdf-chip.access.free{border-color:#a8d7bd;background:#effaf3;color:var(--pdf-green)}
.pdf-chip.access.paid{border-color:#e5bd00;background:#fff7c7;color:#654d00}
.pdf-actions{position:relative;display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid #edf2f5}
.pdf-size{color:var(--pdf-muted);font-size:.72rem;font-weight:400!important}
.pdf-open{border:1px solid var(--pdf-blue);border-radius:6px;padding:8px 11px;font:inherit;font-size:.71rem;font-weight:500!important;cursor:pointer;box-shadow:none}
.pdf-open.free{background:#fff;color:var(--pdf-blue)}
.pdf-open.paid{background:var(--pdf-blue);color:#fff}
.pdf-open:hover{filter:brightness(.96)}
.pdf-open:disabled{opacity:.6;cursor:wait}
.pdf-empty{grid-column:1/-1;border-radius:8px;padding:24px;text-align:center;color:var(--pdf-muted);font-weight:400!important}
.pdf-empty b{font-weight:500!important}
.pdf-status{display:none;margin:0 0 16px;padding:11px 13px;border-radius:8px;background:#fff3cf;color:#6c5200;font-size:.82rem}
.pdf-status.show{display:block}
.pdf-status.error{background:#ffefed;color:var(--pdf-red)}
.pdf-viewer[hidden]{display:none}
.pdf-viewer{position:fixed;inset:0;z-index:9999;display:grid;place-items:center;padding:14px}
.pdf-viewer-backdrop{position:absolute;inset:0;background:#071a2dcc}
.pdf-viewer-panel{position:relative;width:min(1000px,100%);height:min(860px,94vh);overflow:hidden;border-radius:12px;background:#fff;box-shadow:0 24px 80px #0006}
.pdf-viewer-panel header{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:66px;padding:10px 14px;background:var(--pdf-yellow);color:#151515}
.pdf-viewer-panel header small{display:block;font-size:.61rem;font-weight:650}
.pdf-viewer-panel header h2{margin:2px 0 0;font-size:.9rem!important;font-weight:600!important;color:#151515}
.pdf-viewer-panel header button{display:grid;place-items:center;width:36px;height:36px;border:1px solid #151515;border-radius:50%;background:transparent;color:#151515;font-size:1rem;cursor:pointer}
.pdf-viewer-panel iframe{display:block;width:100%;height:calc(100% - 66px);border:0;background:#eef2f4}
.pdf-viewer-open{overflow:hidden}
.pdf-admin-form{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pdf-admin-form .wide{grid-column:1/-1}
.pdf-admin-form label{margin:0 0 5px}
.pdf-admin-form input,.pdf-admin-form select,.pdf-admin-form textarea{margin:0}
.pdf-admin-form textarea{min-height:90px;resize:vertical}
.pdf-upload-progress{height:9px;border-radius:999px;background:#e4edf2;overflow:hidden;margin-top:10px}
.pdf-upload-progress span{display:block;width:0;height:100%;background:var(--pdf-blue);transition:width .2s}
.pdf-admin-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:start}
.pdf-admin-item .pdf-admin-buttons{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end}
.pdf-admin-item .btn{min-height:38px;padding:8px 10px;font-size:.7rem}
@media(max-width:680px){.pdf-category-list,.pdf-toolbar{grid-template-columns:1fr}.pdf-category{min-height:0}.pdf-actions{align-items:flex-end}.pdf-admin-form{grid-template-columns:1fr}.pdf-admin-form .wide{grid-column:auto}.pdf-admin-item{grid-template-columns:1fr}.pdf-admin-item .pdf-admin-buttons{justify-content:flex-start}.pdf-viewer{padding:0}.pdf-viewer-panel{height:100vh;border-radius:0}}