:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: #e74c3c;--toastify-color-transparent: rgba(255, 255, 255, .7);--toastify-icon-color-info: var(--toastify-color-info);--toastify-icon-color-success: var(--toastify-color-success);--toastify-icon-color-warning: var(--toastify-color-warning);--toastify-icon-color-error: var(--toastify-color-error);--toastify-toast-width: 320px;--toastify-toast-offset: 16px;--toastify-toast-top: max(var(--toastify-toast-offset), env(safe-area-inset-top));--toastify-toast-right: max(var(--toastify-toast-offset), env(safe-area-inset-right));--toastify-toast-left: max(var(--toastify-toast-offset), env(safe-area-inset-left));--toastify-toast-bottom: max(var(--toastify-toast-offset), env(safe-area-inset-bottom));--toastify-toast-background: #fff;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-font-family: sans-serif;--toastify-z-index: 9999;--toastify-text-color-light: #757575;--toastify-text-color-dark: #fff;--toastify-text-color-info: #fff;--toastify-text-color-success: #fff;--toastify-text-color-warning: #fff;--toastify-text-color-error: #fff;--toastify-spinner-color: #616161;--toastify-spinner-color-empty-area: #e0e0e0;--toastify-color-progress-light: linear-gradient( to right, #4cd964, #5ac8fa, #007aff, #34aadc, #5856d6, #ff2d55 );--toastify-color-progress-dark: #bb86fc;--toastify-color-progress-info: var(--toastify-color-info);--toastify-color-progress-success: var(--toastify-color-success);--toastify-color-progress-warning: var(--toastify-color-warning);--toastify-color-progress-error: var(--toastify-color-error);--toastify-color-progress-bgo: .2}.Toastify__toast-container{z-index:var(--toastify-z-index);-webkit-transform:translate3d(0,0,var(--toastify-z-index));position:fixed;padding:4px;width:var(--toastify-toast-width);box-sizing:border-box;color:#fff}.Toastify__toast-container--top-left{top:var(--toastify-toast-top);left:var(--toastify-toast-left)}.Toastify__toast-container--top-center{top:var(--toastify-toast-top);left:50%;transform:translate(-50%)}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right)}.Toastify__toast-container--bottom-left{bottom:var(--toastify-toast-bottom);left:var(--toastify-toast-left)}.Toastify__toast-container--bottom-center{bottom:var(--toastify-toast-bottom);left:50%;transform:translate(-50%)}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right)}@media only screen and (max-width : 480px){.Toastify__toast-container{width:100vw;padding:0;left:env(safe-area-inset-left);margin:0}.Toastify__toast-container--top-left,.Toastify__toast-container--top-center,.Toastify__toast-container--top-right{top:env(safe-area-inset-top);transform:translate(0)}.Toastify__toast-container--bottom-left,.Toastify__toast-container--bottom-center,.Toastify__toast-container--bottom-right{bottom:env(safe-area-inset-bottom);transform:translate(0)}.Toastify__toast-container--rtl{right:env(safe-area-inset-right);left:initial}}.Toastify__toast{--y: 0;position:relative;-ms-touch-action:none;touch-action:none;min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:8px;border-radius:var(--toastify-toast-bd-radius);box-shadow:0 4px 12px #0000001a;display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);cursor:default;direction:ltr;z-index:0;overflow:hidden}.Toastify__toast--stacked{position:absolute;width:100%;transform:translate3d(0,var(--y),0) scale(var(--s));transition:transform .3s}.Toastify__toast--stacked[data-collapsed] .Toastify__toast-body,.Toastify__toast--stacked[data-collapsed] .Toastify__close-button{transition:opacity .1s}.Toastify__toast--stacked[data-collapsed=false]{overflow:visible}.Toastify__toast--stacked[data-collapsed=true]:not(:last-child)>*{opacity:0}.Toastify__toast--stacked:after{content:"";position:absolute;left:0;right:0;height:calc(var(--g) * 1px);bottom:100%}.Toastify__toast--stacked[data-pos=top]{top:0}.Toastify__toast--stacked[data-pos=bot]{bottom:0}.Toastify__toast--stacked[data-pos=bot].Toastify__toast--stacked:before{transform-origin:top}.Toastify__toast--stacked[data-pos=top].Toastify__toast--stacked:before{transform-origin:bottom}.Toastify__toast--stacked:before{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;transform:scaleY(3);z-index:-1}.Toastify__toast--rtl{direction:rtl}.Toastify__toast--close-on-click{cursor:pointer}.Toastify__toast-body{margin:auto 0;-ms-flex:1 1 auto;flex:1 1 auto;padding:6px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center}.Toastify__toast-body>div:last-child{word-break:break-word;-ms-flex:1;flex:1}.Toastify__toast-icon{-webkit-margin-end:10px;margin-inline-end:10px;width:20px;-ms-flex-negative:0;flex-shrink:0;display:-ms-flexbox;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}@media only screen and (max-width : 480px){.Toastify__toast{margin-bottom:0;border-radius:0}}.Toastify__toast-theme--dark{background:var(--toastify-color-dark);color:var(--toastify-text-color-dark)}.Toastify__toast-theme--light,.Toastify__toast-theme--colored.Toastify__toast--default{background:var(--toastify-color-light);color:var(--toastify-text-color-light)}.Toastify__toast-theme--colored.Toastify__toast--info{color:var(--toastify-text-color-info);background:var(--toastify-color-info)}.Toastify__toast-theme--colored.Toastify__toast--success{color:var(--toastify-text-color-success);background:var(--toastify-color-success)}.Toastify__toast-theme--colored.Toastify__toast--warning{color:var(--toastify-text-color-warning);background:var(--toastify-color-warning)}.Toastify__toast-theme--colored.Toastify__toast--error{color:var(--toastify-text-color-error);background:var(--toastify-color-error)}.Toastify__progress-bar-theme--light{background:var(--toastify-color-progress-light)}.Toastify__progress-bar-theme--dark{background:var(--toastify-color-progress-dark)}.Toastify__progress-bar--info{background:var(--toastify-color-progress-info)}.Toastify__progress-bar--success{background:var(--toastify-color-progress-success)}.Toastify__progress-bar--warning{background:var(--toastify-color-progress-warning)}.Toastify__progress-bar--error{background:var(--toastify-color-progress-error)}.Toastify__progress-bar-theme--colored.Toastify__progress-bar--info,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--success,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--warning,.Toastify__progress-bar-theme--colored.Toastify__progress-bar--error{background:var(--toastify-color-transparent)}.Toastify__close-button{color:#fff;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;-ms-flex-item-align:start;align-self:flex-start;z-index:1}.Toastify__close-button--light{color:#000;opacity:.3}.Toastify__close-button>svg{fill:currentColor;height:16px;width:14px}.Toastify__close-button:hover,.Toastify__close-button:focus{opacity:1}@keyframes Toastify__trackProgress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}.Toastify__progress-bar{position:absolute;bottom:0;left:0;width:100%;height:100%;z-index:var(--toastify-z-index);opacity:.7;transform-origin:left;border-bottom-left-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--animated{animation:Toastify__trackProgress linear 1 forwards}.Toastify__progress-bar--controlled{transition:transform .2s}.Toastify__progress-bar--rtl{right:0;left:initial;transform-origin:right;border-bottom-left-radius:initial;border-bottom-right-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp{position:absolute;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius)}.Toastify__progress-bar--wrp[data-hidden=true]{opacity:0}.Toastify__progress-bar--bg{opacity:var(--toastify-color-progress-bgo);width:100%;height:100%}.Toastify__spinner{width:20px;height:20px;box-sizing:border-box;border:2px solid;border-radius:100%;border-color:var(--toastify-spinner-color-empty-area);border-right-color:var(--toastify-spinner-color);animation:Toastify__spin .65s linear infinite}@keyframes Toastify__bounceInRight{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(3000px,0,0)}60%{opacity:1;transform:translate3d(-25px,0,0)}75%{transform:translate3d(10px,0,0)}90%{transform:translate3d(-5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutRight{20%{opacity:1;transform:translate3d(-20px,var(--y),0)}to{opacity:0;transform:translate3d(2000px,var(--y),0)}}@keyframes Toastify__bounceInLeft{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(-3000px,0,0)}60%{opacity:1;transform:translate3d(25px,0,0)}75%{transform:translate3d(-10px,0,0)}90%{transform:translate3d(5px,0,0)}to{transform:none}}@keyframes Toastify__bounceOutLeft{20%{opacity:1;transform:translate3d(20px,var(--y),0)}to{opacity:0;transform:translate3d(-2000px,var(--y),0)}}@keyframes Toastify__bounceInUp{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,3000px,0)}60%{opacity:1;transform:translate3d(0,-20px,0)}75%{transform:translate3d(0,10px,0)}90%{transform:translate3d(0,-5px,0)}to{transform:translateZ(0)}}@keyframes Toastify__bounceOutUp{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,-2000px,0)}}@keyframes Toastify__bounceInDown{0%,60%,75%,90%,to{animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;transform:translate3d(0,-3000px,0)}60%{opacity:1;transform:translate3d(0,25px,0)}75%{transform:translate3d(0,-10px,0)}90%{transform:translate3d(0,5px,0)}to{transform:none}}@keyframes Toastify__bounceOutDown{20%{transform:translate3d(0,calc(var(--y) - 10px),0)}40%,45%{opacity:1;transform:translate3d(0,calc(var(--y) + 20px),0)}to{opacity:0;transform:translate3d(0,2000px,0)}}.Toastify__bounce-enter--top-left,.Toastify__bounce-enter--bottom-left{animation-name:Toastify__bounceInLeft}.Toastify__bounce-enter--top-right,.Toastify__bounce-enter--bottom-right{animation-name:Toastify__bounceInRight}.Toastify__bounce-enter--top-center{animation-name:Toastify__bounceInDown}.Toastify__bounce-enter--bottom-center{animation-name:Toastify__bounceInUp}.Toastify__bounce-exit--top-left,.Toastify__bounce-exit--bottom-left{animation-name:Toastify__bounceOutLeft}.Toastify__bounce-exit--top-right,.Toastify__bounce-exit--bottom-right{animation-name:Toastify__bounceOutRight}.Toastify__bounce-exit--top-center{animation-name:Toastify__bounceOutUp}.Toastify__bounce-exit--bottom-center{animation-name:Toastify__bounceOutDown}@keyframes Toastify__zoomIn{0%{opacity:0;transform:scale3d(.3,.3,.3)}50%{opacity:1}}@keyframes Toastify__zoomOut{0%{opacity:1}50%{opacity:0;transform:translate3d(0,var(--y),0) scale3d(.3,.3,.3)}to{opacity:0}}.Toastify__zoom-enter{animation-name:Toastify__zoomIn}.Toastify__zoom-exit{animation-name:Toastify__zoomOut}@keyframes Toastify__flipIn{0%{transform:perspective(400px) rotateX(90deg);animation-timing-function:ease-in;opacity:0}40%{transform:perspective(400px) rotateX(-20deg);animation-timing-function:ease-in}60%{transform:perspective(400px) rotateX(10deg);opacity:1}80%{transform:perspective(400px) rotateX(-5deg)}to{transform:perspective(400px)}}@keyframes Toastify__flipOut{0%{transform:translate3d(0,var(--y),0) perspective(400px)}30%{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(-20deg);opacity:1}to{transform:translate3d(0,var(--y),0) perspective(400px) rotateX(90deg);opacity:0}}.Toastify__flip-enter{animation-name:Toastify__flipIn}.Toastify__flip-exit{animation-name:Toastify__flipOut}@keyframes Toastify__slideInRight{0%{transform:translate3d(110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInLeft{0%{transform:translate3d(-110%,0,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInUp{0%{transform:translate3d(0,110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideInDown{0%{transform:translate3d(0,-110%,0);visibility:visible}to{transform:translate3d(0,var(--y),0)}}@keyframes Toastify__slideOutRight{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(110%,var(--y),0)}}@keyframes Toastify__slideOutLeft{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(-110%,var(--y),0)}}@keyframes Toastify__slideOutDown{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,500px,0)}}@keyframes Toastify__slideOutUp{0%{transform:translate3d(0,var(--y),0)}to{visibility:hidden;transform:translate3d(0,-500px,0)}}.Toastify__slide-enter--top-left,.Toastify__slide-enter--bottom-left{animation-name:Toastify__slideInLeft}.Toastify__slide-enter--top-right,.Toastify__slide-enter--bottom-right{animation-name:Toastify__slideInRight}.Toastify__slide-enter--top-center{animation-name:Toastify__slideInDown}.Toastify__slide-enter--bottom-center{animation-name:Toastify__slideInUp}.Toastify__slide-exit--top-left,.Toastify__slide-exit--bottom-left{animation-name:Toastify__slideOutLeft;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-right,.Toastify__slide-exit--bottom-right{animation-name:Toastify__slideOutRight;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--top-center{animation-name:Toastify__slideOutUp;animation-timing-function:ease-in;animation-duration:.3s}.Toastify__slide-exit--bottom-center{animation-name:Toastify__slideOutDown;animation-timing-function:ease-in;animation-duration:.3s}@keyframes Toastify__spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.notification-dropdown{position:relative;display:inline-block}.notification-bell{position:relative;background:none;border:none;font-size:1.25rem;color:#fff;cursor:pointer;padding:.5rem;transition:all .3s}.notification-bell:hover{color:#fbbf24;transform:scale(1.1)}.notification-badge{position:absolute;top:0;right:0;background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;font-size:.7rem;font-weight:700;padding:.15rem .4rem;border-radius:10px;min-width:18px;text-align:center;box-shadow:0 2px 4px #0000004d;animation:pulse 2s infinite}.notification-panel{position:absolute;top:calc(100% + 10px);right:0;width:380px;max-height:500px;background:#fff;border-radius:12px;box-shadow:0 10px 40px #0003;z-index:1000;display:flex;flex-direction:column;animation:slideDown .3s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.notification-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;border-bottom:2px solid #f1f5f9}.notification-header h3{margin:0;font-size:1.1rem;color:#1e293b;display:flex;align-items:center;gap:.5rem}.notification-header h3 i{color:#667eea}.mark-all-read{background:none;border:none;color:#667eea;font-size:1rem;cursor:pointer;padding:.5rem;border-radius:6px;transition:all .2s}.mark-all-read:hover{background:#f1f5f9;color:#764ba2}.notification-list{flex:1;overflow-y:auto;max-height:380px}.notification-list::-webkit-scrollbar{width:6px}.notification-list::-webkit-scrollbar-track{background:#f1f5f9}.notification-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}.notification-list::-webkit-scrollbar-thumb:hover{background:#94a3b8}.notification-loading,.notification-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem 1.5rem;color:#94a3b8}.notification-loading .spinner{width:40px;height:40px;border:3px solid #f1f5f9;border-top-color:#667eea;border-radius:50%;animation:spin .8s linear infinite;margin-bottom:1rem}.notification-loading p,.notification-empty p{margin:0;font-size:.95rem}.notification-empty i{font-size:3rem;margin-bottom:1rem;color:#cbd5e1}.notification-item{display:flex;align-items:flex-start;gap:1rem;padding:1rem 1.25rem;border-bottom:1px solid #f1f5f9;text-decoration:none;color:inherit;transition:all .2s;position:relative}.notification-item:hover{background:#f8fafc}.notification-item.unread{background:#eff6ff}.notification-item.unread:hover{background:#dbeafe}.notification-icon{flex-shrink:0;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:#667eea1a;border-radius:50%;font-size:1.25rem}.notification-content h4{margin:0 0 .25rem;font-size:.95rem;font-weight:600;color:#1e293b}.notification-content p{margin:0 0 .5rem;font-size:.85rem;color:#64748b;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.notification-time{display:flex;align-items:center;gap:.25rem;font-size:.75rem;color:#94a3b8}.notification-time i{font-size:.7rem}.unread-indicator{flex-shrink:0;width:8px;height:8px;background:#3b82f6;border-radius:50%;margin-left:.5rem}.notification-footer{padding:.75rem 1.25rem;border-top:2px solid #f1f5f9;text-align:center}.notification-footer a{color:#667eea;text-decoration:none;font-weight:600;font-size:.9rem;transition:color .2s}.notification-footer a:hover{color:#764ba2}@media (max-width: 576px){.notification-panel{width:calc(100vw - 2rem);right:-50px}.notification-item{padding:.875rem 1rem}.notification-icon{width:36px;height:36px;font-size:1.1rem}}.topbar{font-size:14px}.topbar-links a{margin-right:20px;color:var(--dark)}.topbar-links a:hover{color:var(--primary)}.dropdown{position:relative;display:inline-block}.dropdown-toggle{background:#fff;border:1px solid #ddd;padding:5px 15px;cursor:pointer}.dropdown-menu{display:none;position:absolute;right:0;top:100%;background:#fff;min-width:160px;box-shadow:0 2px 10px #0000001a;z-index:1000}.dropdown:hover .dropdown-menu{display:block}.dropdown-item{display:block;padding:10px 15px;color:var(--dark);cursor:pointer;border:none;background:none;width:100%;text-align:left}.dropdown-item:hover{background-color:var(--secondary)}.auth-buttons .btn{padding:5px 15px;font-size:14px}.navbar{box-shadow:0 2px 5px #0000000d;width:100%}.navbar .container{max-width:100%;width:100%;padding:0 2rem}.navbar-brand{font-size:2rem;font-weight:700;text-transform:uppercase}.brand-multi,.brand-shop{padding:5px 15px}.ml-n1{margin-left:-5px}.search-form{flex:1;max-width:500px;margin:0 30px}.input-group{display:flex;width:100%}.input-group .form-control{flex:1;border-right:none}.input-group-append .btn{border:1px solid #dee2e6;border-left:none;padding:12px 20px;background:#fff}.contact-info p{font-size:12px;color:#666;margin:0}.contact-info h6{font-size:18px;font-weight:600;color:var(--dark);margin:0}.nav-menu{padding:12px 0}.nav-link{display:inline-block;padding:10px 20px;color:#fff;font-weight:500}.nav-link:hover{color:var(--primary)}.nav-link i{margin-right:8px}@media (max-width: 992px){.navbar-brand{font-size:1.5rem}.search-form{margin:15px 0;max-width:100%}.contact-info{display:none}.nav-menu{overflow-x:auto}.nav-menu .d-flex{flex-wrap:nowrap}}@media (max-width: 768px){.topbar-links{display:none}.navbar{padding:10px 0}.navbar .container{flex-direction:column}.navbar-brand{margin-bottom:10px}}.footer{background:var(--dark);color:#fff;padding:60px 0 20px;margin-top:80px;width:100%}.footer .container{max-width:100%;width:100%;padding:0 2rem}.footer-title{font-size:1.5rem;font-weight:700;margin-bottom:20px;color:var(--primary)}.footer-text{color:#ccc;line-height:1.8;margin-bottom:20px}.footer-subtitle{font-size:1.1rem;font-weight:600;margin-bottom:20px;color:#fff;text-transform:uppercase;letter-spacing:1px}.footer-menu{list-style:none;padding:0;margin:0}.footer-menu li{margin-bottom:12px}.footer-menu a{color:#ccc;text-decoration:none;transition:all .3s ease;display:inline-block}.footer-menu 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768px){.profile-header{flex-direction:column;text-align:center;padding:40px 20px}.profile-avatar{font-size:4rem;width:100px;height:100px}.profile-info h1{font-size:2rem}.profile-tabs{flex-direction:column}.tab-btn{text-align:left;border-bottom:1px solid #eee;border-left:3px solid transparent}.tab-btn.active{border-bottom-color:#eee;border-left-color:var(--primary)}.tab-content{padding:20px}.tab-pane h3{font-size:1.5rem}.profile-form{max-width:100%}}@media (max-width: 576px){.profile-page{padding:20px 0}.profile-header{margin-bottom:20px}.tab-btn{font-size:1rem;padding:15px}}.my-books-page{padding:40px 0;min-height:80vh}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px}.page-header h1{font-size:2.5rem;font-weight:700;color:var(--dark);margin:0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:40px}.stat-card{background:#fff;padding:25px;border-radius:8px;box-shadow:0 2px 10px 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