@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&family=Poppins:wght@500;600;700&display=swap";:root{--color-primary: #120427;--color-secondary: rgba(255,255,255,.06);--color-bg: #120427;--color-text: #E5E5E5}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background-color:var(--color-bg);color:var(--color-text);min-height:100vh}.brand-header{background-color:var(--color-primary);color:#fff;padding:1.5rem 2rem 1rem;text-align:center}.brand-header h1{font-size:1.5rem;font-weight:600}.brand-logo{height:40px;width:auto}.viewer-wrapper{width:100%;max-width:none;margin:1rem auto;padding:0 1rem}.controls{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}.controls label{font-weight:500}.controls select{padding:.5rem .8rem;border:1px solid rgba(255,255,255,.08);border-radius:8px;font-size:1rem;background-color:#ffffff0a;color:var(--color-text);min-width:320px}#flipbook{width:100%;height:calc(100vh - 140px);min-height:650px;background-color:var(--color-secondary);border-radius:6px;overflow:hidden}#flipbook>*{width:100%!important;height:100%!important}.controls select option{background:var(--color-bg);color:var(--color-text)}.pfb-page{background-color:#fff!important}.pfb-page canvas{background-color:#fff!important;z-index:2!important}.pfb-branding{z-index:1!important}.pfb-page .pfb-branding{display:none!important}.pfb-branding .brand-root{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;width:100%;gap:12px;padding:2rem;background:linear-gradient(180deg,#120427f2,#120427fa);color:var(--color-text)}.pfb-branding .brand-root img{width:96px;height:auto;border-radius:8px}.pfb-branding .brand-root h3{font-family:Poppins,sans-serif;margin:0;font-size:1.25rem}.pfb-branding .brand-root p{margin:0;opacity:.9}.control-buttons{display:flex;gap:.5rem;align-items:center}.control-buttons #btn-download{background:transparent;border:1px solid rgba(255,255,255,.08);color:var(--color-text);padding:.45rem .7rem;border-radius:8px;cursor:pointer}.control-buttons #btn-download:hover{background:#ffffff0a}.pfb-container{position:relative;width:100%;height:100%;background-color:#333;font-family:sans-serif;display:flex;flex-direction:column;align-items:center;overflow:hidden}.pfb-toolbar{background:#000000d9;min-width:350px;padding:10px 20px;margin-top:10px;border-radius:30px;display:flex;justify-content:center;align-items:center;gap:15px;z-index:100;box-shadow:0 4px 10px #0000004d}.pfb-btn{background:transparent;border:none;color:#ddd;font-size:18px;cursor:pointer;transition:transform .2s,color .2s}.pfb-btn:hover{color:#fff;transform:scale(1.1)}.pfb-btn:active{transform:scale(.95)}.pfb-page-control{display:flex;align-items:center;color:#fff;font-size:14px;font-family:monospace}.pfb-page-input{background:transparent;border:none;border-bottom:1px solid #777;color:#fff;width:50px;text-align:center;font-size:14px;margin-right:5px;outline:none}.pfb-page-input:focus{border-bottom:1px solid #fff}.pfb-book-wrapper{flex-grow:1;width:100%;display:flex;justify-content:center;align-items:center;padding:20px;box-sizing:border-box;overflow:hidden;position:relative}.pfb-book{position:relative;box-shadow:0 0 20px #00000080;transition:transform .6s cubic-bezier(.25,1,.5,1)}.pfb-page{overflow:hidden;position:absolute;top:0;left:0;width:100%;height:100%;margin:0;padding:0}.pfb-branding{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;justify-content:center;opacity:1;z-index:1;pointer-events:none}.pfb-brand-logo{font-size:40px;color:#e0e0e0;margin-bottom:10px}.pfb-brand-text{font-size:14px;font-weight:700;color:#d0d0d0;text-transform:uppercase;letter-spacing:2px}.pfb-page canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2;display:block}.stf__wrapper{overflow:hidden!important;box-shadow:0 0 20px #00000080}.stf__block{overflow:hidden!important}.pfb-loader{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#fff;z-index:9999;transition:opacity .5s}.pfb-spinner{font-size:40px;margin-bottom:15px;animation:pfb-spin 1s infinite linear;width:40px;height:40px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff}@keyframes pfb-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}