:root{--navy:#071d3f;--blue:#123b75;--sky:#e9f1fa;--gold:#efbd3f;--ink:#132238;--muted:#647187;--line:#dbe5f0;--white:#fff}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#f6f9fc;color:var(--ink);font-family:Manrope,Arial,sans-serif}
a{color:inherit;text-decoration:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
body:not(.is-authenticated) .library-header,body:not(.is-authenticated) main,body:not(.is-authenticated) footer{display:none}
.access-gate{min-height:100dvh;padding:32px 20px;display:grid;place-items:center;background:radial-gradient(circle at 82% 12%,rgba(83,145,222,.34),transparent 31%),linear-gradient(135deg,#09234d,#05152d);color:#fff}
.is-authenticated .access-gate{display:none}
.access-card{width:min(100%,500px);padding:42px;border:1px solid rgba(255,255,255,.16);border-radius:28px;background:rgba(255,255,255,.08);box-shadow:0 28px 80px rgba(0,0,0,.34);backdrop-filter:blur(14px)}
.access-card>img{display:block;width:220px;height:88px;object-fit:contain;margin:0 auto 30px;padding:9px;background:#fff;border-radius:14px}
.access-card>span{display:block;color:#f4ca62;font-size:.72rem;font-weight:800;letter-spacing:.16em;text-align:center}
.access-card h1{margin:10px 0 12px;font:800 2.55rem/1.05 'Playfair Display',Georgia,serif;text-align:center;letter-spacing:-.035em}
.access-card>p{margin:0 auto 28px;color:#d7e4f3;text-align:center;line-height:1.65}
.access-card label{display:block;margin-bottom:8px;font-size:.8rem;font-weight:800;letter-spacing:.04em}
.password-field{display:flex;overflow:hidden;border-radius:14px;background:#fff;outline:3px solid transparent;transition:.2s ease}
.password-field:focus-within{outline-color:rgba(239,189,63,.75)}
.password-field input{min-width:0;flex:1;height:58px;padding:0 16px;border:0;outline:0;color:var(--ink);font:600 1rem Manrope,Arial,sans-serif}
.password-field button{border:0;padding:0 15px;background:#edf3fa;color:var(--blue);font:800 .68rem Manrope,Arial,sans-serif;cursor:pointer}
.access-error{min-height:24px;margin:8px 0 4px;color:#ffd0d0;font-size:.8rem;font-weight:700}
.access-submit{width:100%;min-height:58px;border:0;border-radius:14px;background:var(--gold);color:#10223d;font:800 .85rem Manrope,Arial,sans-serif;letter-spacing:.05em;cursor:pointer;transition:.2s ease}
.access-submit:hover{transform:translateY(-2px);filter:brightness(1.04)}
.forgot-password,.access-back{display:block;text-align:center;font-weight:800}
.forgot-password{margin-top:18px;padding:14px;border:1px solid rgba(255,255,255,.3);border-radius:14px;color:#fff;font-size:.72rem;letter-spacing:.035em}
.forgot-password:hover{background:#25d366;border-color:#25d366;color:#052b17}
.access-back{margin-top:20px;color:#b9cbe0;font-size:.7rem;letter-spacing:.06em}
.library-header{height:92px;padding:0 clamp(20px,6vw,96px);display:flex;align-items:center;justify-content:space-between;background:#fff;border-bottom:1px solid var(--line)}
.brand img{display:block;width:220px;max-height:64px;object-fit:contain;object-position:left center}
.back-link{font-size:.78rem;font-weight:800;letter-spacing:.1em;color:var(--blue);padding:12px 18px;border:1px solid var(--line);border-radius:999px;transition:.2s ease}
.back-link:hover{background:var(--navy);border-color:var(--navy);color:#fff}
.library-hero{padding:80px max(20px,calc((100vw - 1280px)/2));background:radial-gradient(circle at 88% 16%,rgba(83,145,222,.38),transparent 30%),linear-gradient(130deg,#09234d,#07182f);color:#fff;text-align:center}
.library-hero>span,.section-kicker{display:block;font-size:.72rem;font-weight:800;letter-spacing:.16em}
.library-hero>span{color:#f4ca62}
.library-hero h1{margin:12px 0 14px;font:800 clamp(2.8rem,6vw,5.4rem)/1 'Playfair Display',Georgia,serif;letter-spacing:-.045em}
.library-hero p{max-width:720px;margin:0 auto;color:#d7e4f3;font-size:1.05rem;line-height:1.7}
.search-wrap{position:relative;max-width:850px;margin:38px auto 0}
.search-wrap svg{position:absolute;left:24px;top:50%;transform:translateY(-50%);width:25px;height:25px;fill:none;stroke:var(--blue);stroke-width:2;stroke-linecap:round}
.search-wrap input{width:100%;height:68px;border:0;border-radius:18px;padding:0 24px 0 64px;background:#fff;color:var(--ink);font:600 1rem Manrope,Arial,sans-serif;box-shadow:0 22px 55px rgba(0,0,0,.25);outline:3px solid transparent;transition:.2s ease}
.search-wrap input:focus{outline-color:rgba(239,189,63,.75)}
.search-wrap input::placeholder{color:#8793a5}
.library-content{max-width:1380px;margin:auto;padding:70px clamp(20px,5vw,70px) 100px}
.library-toolbar{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}
.section-kicker{color:var(--blue);margin-bottom:8px}
.library-toolbar h2{margin:0;font-size:1rem;color:var(--muted);font-weight:600}
.library-toolbar h2 strong{font-size:1.45rem;color:var(--navy)}
.filters{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px}
.filter-button{border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--blue);padding:9px 14px;font:800 .7rem Manrope,Arial,sans-serif;letter-spacing:.045em;cursor:pointer;transition:.2s ease}
.filter-button:hover,.filter-button.active{background:var(--navy);border-color:var(--navy);color:#fff}
.materials-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}
.material-card{display:grid;grid-template-columns:48px 1fr;gap:14px;padding:19px;background:#fff;border:1px solid var(--line);border-radius:17px;box-shadow:0 9px 25px rgba(7,29,63,.055);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.material-card:hover{transform:translateY(-3px);border-color:#bdcfe3;box-shadow:0 16px 34px rgba(7,29,63,.11)}
.pdf-icon{width:48px;height:55px;border-radius:9px;background:#eef3f9;color:var(--blue);display:grid;place-items:center;font-size:.68rem;font-weight:800;letter-spacing:.06em;border-bottom:4px solid var(--gold)}
.material-info{min-width:0}
.material-info h3{margin:0 0 8px;font-size:.9rem;line-height:1.38;color:var(--navy);overflow-wrap:anywhere}
.material-meta{display:flex;gap:8px;align-items:center;color:var(--muted);font-size:.68rem}
.material-meta span+span:before{content:"•";margin-right:8px}
.material-actions{grid-column:1/-1;display:flex;gap:8px;margin-top:2px}
.material-actions a{flex:1;text-align:center;border-radius:9px;padding:9px 10px;font-size:.67rem;font-weight:800;letter-spacing:.08em}
.open-button{background:var(--navy);color:#fff}
.download-button{background:#eef3f9;color:var(--blue)}
.material-actions a:hover{filter:brightness(1.13)}
.empty-state{text-align:center;padding:80px 20px;color:var(--muted)}
.empty-state strong,.empty-state span{display:block}.empty-state strong{font:700 1.7rem 'Playfair Display',Georgia,serif;color:var(--navy);margin-bottom:8px}
footer{padding:55px 20px;background:var(--navy);text-align:center;color:#c8d8eb}
footer img{width:min(350px,80vw);height:100px;object-fit:contain;background:#fff;border-radius:16px;padding:12px;margin:0 auto}
footer p{margin:10px 0 0;font-size:.82rem}
@media(max-width:1020px){.materials-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.library-toolbar{display:block}.filters{justify-content:flex-start;margin-top:22px}}
@media(max-width:650px){.access-gate{padding:20px 16px}.access-card{padding:30px 20px;border-radius:22px}.access-card>img{width:190px;height:78px;margin-bottom:24px}.access-card h1{font-size:2.25rem}.access-card>p{font-size:.92rem}.library-header{height:76px;padding:0 16px}.brand img{width:145px}.back-link{padding:10px 12px;font-size:.62rem}.library-hero{padding:58px 20px 64px}.library-hero h1{font-size:3rem}.library-hero p{font-size:.95rem}.search-wrap{margin-top:28px}.search-wrap input{height:61px;padding-left:56px;font-size:.88rem;border-radius:15px}.search-wrap svg{left:20px;width:22px}.library-content{padding:48px 16px 75px}.filters{flex-wrap:nowrap;justify-content:flex-start;overflow-x:auto;padding-bottom:8px}.filter-button{white-space:nowrap}.materials-grid{grid-template-columns:1fr}.material-card{padding:17px}.library-toolbar{margin-bottom:24px}}