/* Modern documents page stylesheet */
:root{--bg:#f6f8fb;--card:#ffffff;--muted:#6b7280;--accent:#2563eb;--radius:12px}
body{background:var(--bg);font-family:Inter,Segoe UI,Roboto,Arial,sans-serif;color:#0f172a}
.docs-wrap{max-width:1200px;margin:32px auto;padding:20px}
.docs-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.docs-top h2{margin:0;font-size:22px}
.docs-desc{color:var(--muted);font-size:14px;margin-top:6px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:18px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 30px rgba(2,6,23,0.06);border:1px solid rgba(15,23,42,0.04);display:flex;flex-direction:column}
.thumb{height:170px;background:#f3f4f6;display:flex;align-items:center;justify-content:center}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .pdf-icon{font-size:46px;color:#ef4444}
.card-body{padding:16px;display:flex;align-items:center;justify-content:center;gap:8px;min-height:60px}
.title{font-size:14px;color:#0f172a;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.actions a{color:var(--accent);text-decoration:none;margin-left:8px;font-weight:600}
.actions a.btn{background:var(--accent);color:#fff;padding:6px 10px;border-radius:8px}

/* modal */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;background:rgba(2,6,23,0.75);z-index:1400;padding:20px}
.modal.open{display:flex}
.modal .box{max-width:96vw;max-height:92vh;background:#fff;border-radius:8px;overflow:hidden;position:relative}
.modal .box img,.modal .box embed{display:block;max-width:100%;max-height:88vh}
.modal .close{position:absolute;right:10px;top:6px;background:transparent;border:0;font-size:22px;padding:10px;cursor:pointer}

@media (max-width:520px){.thumb{height:120px}.docs-wrap{margin:12px;padding:12px}}