/* Public bibliothèque styles */
.container{max-width:1100px;margin:0 auto;padding:24px}
.library-hero{padding:120px 0 60px;text-align:center;background:linear-gradient(180deg,#07203a 0%,#0b1f3a 55%,#f8fbfa 100%);color:#f8fafc;position:relative;overflow:hidden}
.library-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top,rgba(255,255,255,0.12),transparent 42%);pointer-events:none}
.library-hero h1{font-size:42px;margin-bottom:12px;letter-spacing:0.01em}
.library-hero .lead{color:rgba(255,255,255,0.82);max-width:760px;margin:0 auto}
.search-row{margin-top:24px;display:flex;justify-content:center}
#searchLib{width:100%;max-width:560px;padding:14px 16px;border-radius:16px;border:1px solid rgba(255,255,255,0.24);background:rgba(255,255,255,0.12);color:#fff;backdrop-filter:blur(10px)}
#searchLib::placeholder{color:rgba(255,255,255,0.72)}

.library-list{padding:48px 0 80px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.card{background:#fff;border-radius:18px;overflow:hidden;display:flex;flex-direction:column;gap:16px;box-shadow:0 18px 42px rgba(9,29,43,0.08);padding:18px;transition:transform 0.3s ease,box-shadow 0.3s ease}
.card:hover{transform:translateY(-6px);box-shadow:0 24px 64px rgba(9,29,43,0.14)}
.thumb{width:100%;height:200px;display:flex;align-items:center;justify-content:center;background:#eef5f7;border-radius:14px;overflow:hidden}
.thumb img{width:100%;height:100%;object-fit:cover}
.placeholder{font-size:15px;color:#6b7280}
.meta{flex:1}
.meta h3{margin:0;font-size:20px;color:#101f2c}
.muted{color:#64707a;font-size:13px;margin:10px 0 0}
.desc{color:#47575c;font-size:15px;margin-top:14px;line-height:1.75}
.file-label{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;border:1px solid #d6e7ee;background:#f5fafc;color:#1d4254;font-size:12px;margin-top:14px}
.actions{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{background:#0b1f3a;color:#fff;padding:11px 16px;border-radius:12px;text-decoration:none;transition:transform 0.25s ease,box-shadow 0.25s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(11,31,58,0.14)}
.btn.outline{background:transparent;border:1px solid #0b1f3a;color:#0b1f3a}
.btn.outline:hover{background:rgba(11,31,58,0.06)}
.note{color:#7b8a93}

.empty{padding:60px;text-align:center;color:#64707a;font-size:18px}

/* reader overlay */
.reader-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(2,14,28,0.78);z-index:12000;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .25s ease,visibility .25s ease}
.reader-overlay.active{opacity:1;visibility:visible;pointer-events:auto}
.reader-shell{width:92%;max-width:1100px;height:88vh;background:#fff;border-radius:20px;overflow:hidden;display:flex;flex-direction:column;box-shadow:0 34px 88px rgba(0,0,0,0.22);transform:translateY(12px);opacity:0;transition:transform .3s ease,opacity .3s ease}
.reader-overlay.active .reader-shell{transform:translateY(0);opacity:1}
.reader-header{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid #e9eff0;gap:12px;background:#f9fbfc}
.reader-header-info{display:flex;flex-direction:column;gap:4px;min-width:220px}
.reader-header-info span{display:block;color:#0b1f3a;font-weight:700}
.pageStats{color:#5f7a84;font-size:14px}
.reader-controls{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.control{background:#eef5f8;border:1px solid #d8e4e8;padding:12px 16px;border-radius:12px;color:#0b1f3a;cursor:pointer;transition:background .2s ease}
.control:hover{background:#dfeaf0}
#pageInput{width:90px;padding:10px 12px;border:1px solid #d6e1e5;border-radius:12px}
.btn-close{background:#0b1f3a;border:none;color:#fff;padding:12px 20px;border-radius:14px;cursor:pointer;transition:background .2s ease}
.btn-close:hover{background:#122c52}
.reader-body{flex:1;display:flex;align-items:center;justify-content:center;padding:24px;background:#eef7fb}
.reader-body canvas{max-width:100%;max-height:100%;border-radius:16px;box-shadow:0 20px 50px rgba(11,31,58,0.12)}
.reader-body iframe{width:100%;height:100%;border:0}

@media (max-width:720px){
    .card{padding:16px}
    .thumb{height:220px}
    .reader-shell{width:98%;height:90vh}
    .reader-header{padding:16px 18px}
    .reader-controls{width:100%;justify-content:flex-start}
    .reader-body{padding:16px}
}