.pdf-book-container{position:relative;margin:30px auto;perspective:1300px;font-family:'Sarabun',sans-serif;max-height:800px}.pdf-book-loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#333;font-size:18px;text-align:center;background-color:rgb(255 255 255 / .9);padding:15px 30px;border-radius:5px;z-index:100;box-shadow:0 0 10px rgb(0 0 0 / .2)}.pdf-book-error{background-color:rgb(255 230 230 / .9);color:#d32f2f;border-left:4px solid #d32f2f}.pdf-book{width:100%;height:100%;transform-style:preserve-3d;background-color:#fff0;cursor:grab}.pdf-book:active{cursor:grabbing}.pdf-page{background-color:#fff;box-shadow:inset 0 0 5px rgb(0 0 0 / .1);position:relative;overflow:hidden;padding:5px}.turn-book .p-even:after{content:'';position:absolute;top:0;right:0;width:1px;height:100%;background:rgb(0 0 0 / .1);box-shadow:-1px 0 1px rgb(0 0 0 / .1)}.turn-book .p-odd:before{content:'';position:absolute;top:0;left:0;width:1px;height:100%;background:rgb(0 0 0 / .1);box-shadow:1px 0 1px rgb(0 0 0 / .1)}.pdf-page-number{position:absolute;bottom:10px;left:50%;transform:translateX(-50%);background-color:rgb(0 0 0 / .7);color:#fff;padding:3px 8px;border-radius:10px;font-size:12px;z-index:10}.pdf-book-controls{display:flex;justify-content:center;align-items:center;margin-top:20px;padding:10px 15px;background-color:#f5f5f5;border-radius:8px;box-shadow:0 2px 5px rgb(0 0 0 / .1)}.pdf-book-prev,.pdf-book-next{background-color:#0073aa;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;font-size:15px;margin:0 10px;transition:all 0.3s ease}.pdf-book-prev:hover,.pdf-book-next:hover{background-color:#005177;transform:translateY(-2px);box-shadow:0 4px 8px rgb(0 0 0 / .2)}.pdf-book-prev:active,.pdf-book-next:active{transform:translateY(0);box-shadow:0 2px 3px rgb(0 0 0 / .2)}.pdf-book-page-info{font-size:16px;color:#333;margin:0 20px;font-weight:500}.turn-page{background-color:#fff;box-shadow:0 0 15px rgb(0 0 0 / .2)}.turn-page-wrapper{box-shadow:0 0 15px rgb(0 0 0 / .1)}.hard{background:#f0f0f0!important;color:#333;-webkit-box-shadow:inset 0 0 5px #666;-moz-box-shadow:inset 0 0 5px #666;-o-box-shadow:inset 0 0 5px #666;-ms-box-shadow:inset 0 0 5px #666;box-shadow:inset 0 0 5px #666;font-weight:700}.cover-front{background-image:linear-gradient(to right,#e4e4e4 0%,#f9f9f9 100%)!important;position:relative}.cover-front:after{content:'';position:absolute;top:0;right:0;width:20px;height:100%;background:linear-gradient(to right,rgb(0 0 0 / .1),#fff0)}.cover-back{background-image:linear-gradient(to left,#e4e4e4 0%,#f9f9f9 100%)!important;position:relative}.cover-back:after{content:'';position:absolute;top:0;left:0;width:20px;height:100%;background:linear-gradient(to left,rgb(0 0 0 / .1),#fff0)}.shadow{-webkit-box-shadow:0 0 20px #ccc;-moz-box-shadow:0 0 20px #ccc;-o-box-shadow:0 0 20px #ccc;-ms-box-shadow:0 0 20px #ccc;box-shadow:0 0 20px #ccc}.turn-page.odd{background-image:-webkit-linear-gradient(left,#f5f5f5 0%,#fff 100%);background-image:-moz-linear-gradient(left,#f5f5f5 0%,#fff 100%);background-image:-o-linear-gradient(left,#f5f5f5 0%,#fff 100%);background-image:-ms-linear-gradient(left,#f5f5f5 0%,#fff 100%)}.turn-page.even{background-image:-webkit-linear-gradient(right,#f5f5f5 0%,#fff 100%);background-image:-moz-linear-gradient(right,#f5f5f5 0%,#fff 100%);background-image:-o-linear-gradient(right,#f5f5f5 0%,#fff 100%);background-image:-ms-linear-gradient(right,#f5f5f5 0%,#fff 100%)}.pdf-fallback-viewer{width:100%;margin:20px 0;padding:0;background:#fff;border:1px solid #ddd;border-radius:8px;box-shadow:0 2px 10px rgb(0 0 0 / .1);overflow:hidden}.pdf-fallback-header{background:#f5f5f5;border-bottom:1px solid #ddd;padding:15px;display:flex;justify-content:space-between;align-items:center}.pdf-fallback-title{font-size:18px;font-weight:700;color:#333}.pdf-reload-btn{background-color:#0073aa;color:#fff;border:none;padding:8px 15px;border-radius:4px;cursor:pointer;font-size:14px;transition:all 0.3s ease}.pdf-reload-btn:hover{background-color:#005177;transform:translateY(-2px)}.pdf-fallback-content{padding:0;height:600px}.pdf-object{border:none}.pdf-fallback-message{color:#555;text-align:center;margin:15px;padding:10px;background-color:#f9f9f9;border-radius:4px;font-size:14px;font-style:italic}.pdf-book-retry{background-color:#0073aa;color:#fff;border:none;padding:8px 15px;border-radius:4px;cursor:pointer;margin-top:10px;font-size:14px;transition:all 0.3s ease}.pdf-book-retry:hover{background-color:#005177;transform:translateY(-2px)}@media (max-width:992px){.pdf-book-container{height:500px!important;max-height:500px!important}}@media (max-width:768px){.pdf-book-container{height:500px!important;max-height:500px!important}.pdf-book-prev,.pdf-book-next{padding:8px 15px;font-size:14px}}@media (max-width:480px){.pdf-book-container{height:500px!important;max-height:500px!important}.pdf-book-controls{flex-direction:column;padding:10px}.pdf-book-page-info{margin:10px 0;order:-1}.pdf-book-prev,.pdf-book-next{width:100%;margin:5px 0}}