.flipbook-shell{--flipbook-bg: #ffffff;--flipbook-surface: #0C1D3A;--flipbook-accent: #C44D00;--flipbook-text: #F2EFE9;--flipbook-muted: #94A3B8;position:relative;display:flex;flex-direction:column;align-items:center;gap:24px;width:100%;padding:44px 20px;background:var(--flipbook-bg);border-radius:24px;box-sizing:border-box}.flipbook-shell--fullscreen{height:100vh;justify-content:center;border-radius:0;background:#fff!important}.flipbook-stage{width:100%;max-width:1360px;transition:transform .5s cubic-bezier(.16,1,.3,1),filter .3s ease;transform-origin:center top;filter:drop-shadow(0 35px 55px rgba(12,29,58,.35)) drop-shadow(0 15px 25px rgba(0,0,0,.22))}.flipbook-book{margin:0 auto}.flipbook-page{background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 25px 50px -12px #0c1d3a61,0 10px 25px -5px #00000038,inset 0 0 0 1px #0000001a}.flipbook-page img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover;-webkit-user-select:none;-moz-user-select:none;user-select:none;pointer-events:none}.flipbook-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;background:var(--flipbook-surface);border:1px solid rgba(255,255,255,.15);padding:10px 22px;border-radius:999px;box-shadow:0 15px 35px -5px #0c1d3a59;z-index:50}.flipbook-btn{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:none;background:transparent;color:var(--flipbook-text);font-size:18px;cursor:pointer;transition:background .15s ease,color .15s ease,transform .15s ease;text-decoration:none}.flipbook-btn:hover{background:#ffffff26;color:var(--flipbook-accent);transform:scale(1.08)}.flipbook-btn--active,.flipbook-btn--download{color:var(--flipbook-accent)}.flipbook-page-counter{color:var(--flipbook-muted);font-size:13px;min-width:64px;text-align:center;font-variant-numeric:tabular-nums;font-family:inherit;font-weight:600}.flipbook-thumbs{display:flex;gap:12px;overflow-x:auto;max-width:100%;padding:14px 8px;scrollbar-width:thin;z-index:50}.flipbook-thumb{position:relative;flex:0 0 auto;width:72px;border:2px solid transparent;border-radius:8px;overflow:hidden;cursor:pointer;background:none;padding:0;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 12px #0000001f}.flipbook-thumb:hover{transform:translateY(-3px);box-shadow:0 10px 22px #00000038}.flipbook-thumb img{display:block;width:100%;height:auto}.flipbook-thumb span{position:absolute;bottom:2px;right:4px;font-size:10px;color:#fff;background:#0c1d3ae6;border-radius:3px;padding:0 4px}.flipbook-thumb--active{border-color:var(--flipbook-accent);transform:scale(1.05)}.flipbook-loading,.flipbook-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;width:100%;color:#0c1d3a;min-height:320px}.flipbook-spinner{width:36px;height:36px;border-radius:50%;border:3px solid rgba(12,29,58,.15);border-top-color:var(--flipbook-accent, #C44D00);animation:flipbook-spin .8s linear infinite}@keyframes flipbook-spin{to{transform:rotate(360deg)}}@media(max-width:640px){.flipbook-shell{padding:20px 10px}.flipbook-btn{width:34px;height:34px;font-size:16px}}