/* Venkys Group Books • responsive web-reader */
.vgbook-hero{background:linear-gradient(110deg,#062b61,#1166cc);color:#fff;padding:65px 0}
.vgbook-hero h1{font-size:clamp(1.9rem,3.8vw,3.1rem);font-weight:650;line-height:1.17;margin:14px 0}
.vgbook-hero p{max-width:720px;color:#deecff;font-size:1.03rem}
.vgbook-eyebrow{font-size:.75rem;letter-spacing:.13em;font-weight:600;color:#f9c74d}
.vgbook-section,.vgbook-reading{background:#f0f7ff;padding:44px 0 74px}
.vgbook-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.vgbook-card{min-width:0;background:#fff;border:1px solid #d9e5f5;box-shadow:0 12px 28px rgba(9,51,109,.08);border-radius:20px;overflow:hidden;display:flex;flex-direction:column}
.vgbook-cover{height:295px;display:flex;align-items:center;justify-content:center;padding:17px;background:linear-gradient(145deg,#f5f9ff,#e9f2fc)}
.vgbook-cover img{display:block;max-height:100%;max-width:100%;width:auto;height:auto;object-fit:contain;border-radius:4px;box-shadow:0 4px 12px rgba(6,30,60,.18)}
.vgbook-placeholder{color:#0d356b;font-size:1.15rem;font-weight:600;text-align:center}
.vgbook-info{padding:19px;display:flex;flex-direction:column;flex:1}
.vgbook-tag{font-size:.72rem;font-weight:600;letter-spacing:.06em;color:#0968c8;text-transform:uppercase}
.vgbook-info h2{font-size:1.08rem;font-weight:600;line-height:1.43;color:#102f5d;margin:9px 0}
.vgbook-info p{font-size:.87rem;line-height:1.65;color:#596d88}
.vgbook-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:20px}
.vgbook-button{padding:10px 13px;border-radius:9px;font-weight:600;font-size:.82rem;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.vgbook-primary{background:#0867c9;color:#fff}.vgbook-secondary{background:#ffcf42;color:#132c53}
.vgbook-unavailable{color:#7e8b9b;font-size:.83rem}
.vgbook-notice,.vgbook-disclaimer{color:#61718a;font-size:.84rem;line-height:1.65;margin-top:22px}
.vgbook-back{display:inline-block;margin-bottom:22px;color:#095db9;font-weight:600;text-decoration:none}
.vgbook-reader-heading{background:#fff;padding:22px;border:1px solid #d8e5f6;border-radius:15px;margin-bottom:18px}
.vgbook-reader-heading .vgbook-eyebrow{color:#1366ba}
.vgbook-reader-heading h1{color:#102f5d;font-size:clamp(1.4rem,2.8vw,2.2rem);font-weight:600;line-height:1.35}
.vgbook-reader-heading p{color:#60738c;margin:5px 0 0}
.vgbook-reader,.vgbook-embedded{max-width:920px;margin:auto}
.vgbook-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#073b79;color:#fff;padding:12px 17px;border-radius:12px 12px 0 0}
.vgbook-toolbar button{background:#fff;color:#06396f;padding:9px 14px;border:0;border-radius:8px;font:inherit;font-size:.85rem;font-weight:600;cursor:pointer}
.vgbook-toolbar button:disabled{opacity:.4;cursor:default}
.vgbook-page-frame{background:#e5edf8;text-align:center;padding:15px 10px;min-height:300px;user-select:none}
.vgbook-page-frame img{display:block;max-width:100%;height:auto;margin:auto;box-shadow:0 7px 30px rgba(16,45,82,.19);user-select:none;-webkit-user-drag:none}
.vgbook-toolbar-bottom{border-radius:0 0 12px 12px}
.vgbook-toolbar input{width:66px;padding:6px;border-radius:6px;border:0;text-align:center;font:inherit}
.vgbook-embedded{height:min(85vh,1000px);border-radius:15px;overflow:hidden}
.vgbook-embedded iframe{width:100%;height:100%;border:0;background:white}
.vgadmin-pdf-upload{background:#f6faff;border:1px solid #dbe7f6;border-radius:14px;padding:20px;margin-top:32px;max-width:760px}
.vgadmin-pdf-upload label{display:block;margin:12px 0}
.vgadmin-pdf-upload input,.vgadmin-pdf-upload select{display:block;margin-top:6px;padding:9px;width:100%;max-width:440px}
@media(max-width:1050px){.vgbook-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.vgbook-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vgbook-cover{height:250px}}
@media(max-width:520px){.vgbook-grid{grid-template-columns:1fr}.vgbook-hero{padding:42px 0}.vgbook-cover{height:300px}.vgbook-toolbar{padding:10px 8px;gap:5px}.vgbook-toolbar button{padding:8px;font-size:.75rem}.vgbook-toolbar label{font-size:.7rem}.vgbook-toolbar input{width:46px}}