body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}#root{margin:0 auto}.logo{height:6em;padding:1.5em;will-change:filter;transition:filter .3s}.logo:hover{filter:drop-shadow(0 0 2em #646cffaa)}.logo.react:hover{filter:drop-shadow(0 0 2em #61dafbaa)}@keyframes logo-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (prefers-reduced-motion: no-preference){a:nth-of-type(2) .logo{animation:logo-spin infinite 20s linear}}.card{padding:2em}.read-the-docs{color:#888}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.login-wrapper{background:linear-gradient(135deg,#e3f2fd,#bbdefb);min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.login-box{background:#fff;padding:40px;border-radius:16px;box-shadow:0 10px 30px #0000001a;width:100%;max-width:420px;text-align:center;animation:fadeInUp .6s ease-out}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.login-header{margin-bottom:30px}.login-logo{width:300px;border-radius:12px;margin:0 auto 20px;display:block}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.login-header h2{font-size:28px;font-weight:700;color:#1976d2;margin-bottom:8px;letter-spacing:-.5px}.login-header p{color:#666;font-size:16px;margin-bottom:30px}.login-form{text-align:left}.form-group{margin-bottom:20px;position:relative;transition:transform .3s ease}.form-group input{width:100%;padding:16px 20px;border:2px solid #e3f2fd;border-radius:12px;font-size:16px;transition:all .3s ease;background:#fafafa;color:#333}.form-group input:focus{outline:none;border-color:#1976d2;background:#fff;box-shadow:0 0 0 4px #1976d21a;transform:translateY(-2px)}.form-group input::placeholder{color:#999;font-size:15px}.login-button{width:100%;padding:16px;background:linear-gradient(135deg,#1976d2,#42a5f5);color:#fff;border:none;border-radius:12px;font-size:18px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:10px;letter-spacing:.5px}.login-button:hover{background:linear-gradient(135deg,#1565c0,#1976d2);transform:translateY(-2px);box-shadow:0 8px 25px #1976d24d}.login-button:active{transform:translateY(0)}.login-button:disabled{opacity:.7;cursor:not-allowed;transform:none}.login-footer{position:fixed;bottom:20px;left:50%;transform:translate(-50%);color:#666;font-size:13px;text-align:center}@media (max-width: 480px){.login-box{padding:30px 25px;margin:10px}.login-header h2{font-size:24px}.form-group input{padding:14px 16px;font-size:15px}.login-button{padding:14px;font-size:16px}.login-footer{position:static;margin-top:40px;transform:none}}.login-box:hover{box-shadow:0 15px 35px #0000001f}.form-group.focused{transform:scale(1.02)}:root{--toastify-color-light: #fff;--toastify-color-dark: #121212;--toastify-color-info: #3498db;--toastify-color-success: #07bc0c;--toastify-color-warning: #f1c40f;--toastify-color-error: hsl(6, 78%, 57%);--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-container-width: fit-content;--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-padding: 14px;--toastify-toast-min-height: 64px;--toastify-toast-max-height: 800px;--toastify-toast-bd-radius: 6px;--toastify-toast-shadow: 0px 4px 12px rgba(0, 0, 0, .1);--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;width:var(--toastify-container-width);box-sizing:border-box;color:#fff;display:flex;flex-direction:column}.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%);align-items:center}.Toastify__toast-container--top-right{top:var(--toastify-toast-top);right:var(--toastify-toast-right);align-items:end}.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%);align-items:center}.Toastify__toast-container--bottom-right{bottom:var(--toastify-toast-bottom);right:var(--toastify-toast-right);align-items:end}.Toastify__toast{--y: 0;position:relative;touch-action:none;width:var(--toastify-toast-width);min-height:var(--toastify-toast-min-height);box-sizing:border-box;margin-bottom:1rem;padding:var(--toastify-toast-padding);border-radius:var(--toastify-toast-bd-radius);box-shadow:var(--toastify-toast-shadow);max-height:var(--toastify-toast-max-height);font-family:var(--toastify-font-family);z-index:0;display:flex;flex:1 auto;align-items:center;word-break:break-word}@media only screen and (max-width: 480px){.Toastify__toast-container{width:100vw;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{--toastify-toast-width: 100%;margin-bottom:0;border-radius:0}}.Toastify__toast-container[data-stacked=true]{width:var(--toastify-toast-width)}.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-icon{margin-inline-end:10px;width:22px;flex-shrink:0;display:flex}.Toastify--animate{animation-fill-mode:both;animation-duration:.5s}.Toastify--animate-icon{animation-fill-mode:both;animation-duration:.3s}.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;position:absolute;top:6px;right:6px;background:transparent;outline:none;border:none;padding:0;cursor:pointer;opacity:.7;transition:.3s ease;z-index:1}.Toastify__toast--rtl .Toastify__close-button{left:6px;right:unset}.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:1;opacity:.7;transform-origin:left}.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}.Toastify__progress-bar--wrp{position:absolute;overflow:hidden;bottom:0;left:0;width:100%;height:5px;border-bottom-left-radius:var(--toastify-toast-bd-radius);border-bottom-right-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)}}.qr-display-container{display:flex;justify-content:center;align-items:center;flex:1;padding:15px}.qr-code-box{width:400px;height:400px;background:#fff;border:2px solid #e1e5e9;border-radius:8px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #0000001a;cursor:pointer;transition:all .2s ease;overflow:hidden}.qr-code-box:hover{transform:scale(1.02);box-shadow:0 6px 16px #00000026}.qr-image{width:100%;height:100%;object-fit:contain;display:block}.qr-message{text-align:center;padding:40px 20px;border-radius:8px;border:2px dashed #e1e5e9;background:#fff;width:200px;height:200px;display:flex;flex-direction:column;justify-content:center;align-items:center}.qr-message p{margin:5px 0;font-size:14px;line-height:1.4}.qr-message.error{border-color:#dc3545;background-color:#fff5f5;color:#dc3545}.qr-message.complete{border-color:#17a2b8;background-color:#f0f9ff;color:#17a2b8}.qr-message.initial{border-color:#6c757d;background-color:#f8f9fa;color:#6c757d}.qr-placeholder{width:160px;height:160px;background:linear-gradient(45deg,#f0f0f0 25%,transparent 25%),linear-gradient(-45deg,#f0f0f0 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#f0f0f0 75%),linear-gradient(-45deg,transparent 75%,#f0f0f0 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0px;border-radius:4px;position:relative}.qr-placeholder:after{content:"QR CODE";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:12px;font-weight:600;color:#666;background:#fff;padding:4px 8px;border-radius:4px}@media (max-width: 768px){.qr-code-box,.qr-message{width:150px;height:150px}.qr-placeholder{width:120px;height:120px}.qr-message{padding:20px 15px}.qr-message p{font-size:12px}}.fullscreen-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background-color:#000000bf;display:flex;justify-content:center;align-items:center;z-index:9999}.fullscreen-modal-content{position:relative;background-color:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 20px #00000080;display:flex;justify-content:center;align-items:center;max-width:90vw;max-height:100%}.fullscreen-qr{width:80vmin;height:auto;object-fit:contain}.close-btn{position:absolute;top:1rem;right:1rem;background:transparent;border:none;font-size:2rem;color:#333;cursor:pointer}.qr-modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000;padding:20px}.qr-modal-content{background:#fff;border-radius:12px;box-shadow:0 20px 60px #0000004d;width:100%;max-width:900px;max-height:90vh;overflow:hidden;position:relative;animation:modalSlideIn .3s ease-out}@keyframes modalSlideIn{0%{opacity:0;transform:translateY(-30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.modal-header-custom{background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff;padding:20px 25px;display:flex;justify-content:space-between;align-items:center}.modal-title-custom{font-size:22px;font-weight:600;margin:0}.close-button-custom{background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:5px;border-radius:4px;transition:background-color .2s;width:32px;height:32px;display:flex;align-items:center;justify-content:center;line-height:1}.close-button-custom:hover{background-color:#fff3}.modal-body-custom{display:flex;height:500px}.qr-section{flex:1;padding:30px;background-color:#fafbfc;border-right:1px solid #e1e5e9;display:flex;flex-direction:column}.students-list-container.hidden{display:none}.students-section{flex:1;padding:30px;display:flex;flex-direction:column}.students-section.full-width{flex:1}.section-title{color:#4a90e2;font-size:18px;font-weight:600;margin-bottom:25px;text-align:center}.students-header{display:flex;flex-direction:column;gap:15px;margin-bottom:25px}.students-header .section-title{margin-bottom:0}.qr-display-wrapper{display:flex;justify-content:center;align-items:center;flex:1}.students-actions{display:flex;gap:8px;align-items:center;justify-content:flex-end;flex-wrap:wrap}.refresh-button{background:linear-gradient(135deg,#8e44ad,#9b59b6);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;box-shadow:0 2px 4px #8e44ad4d;display:flex;align-items:center;gap:8px}.refresh-button:hover{transform:translateY(-1px);box-shadow:0 4px 8px #8e44ad66}.refresh-button:active{transform:translateY(0)}.refresh-icon{font-size:14px}.manual-attendance-button{background:linear-gradient(135deg,#ff6b6b,#ee5a52);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;box-shadow:0 2px 4px #ff6b6b4d;display:flex;align-items:center;gap:8px}.manual-attendance-button:hover{background:linear-gradient(135deg,#ee5a52,#e04848);transform:translateY(-1px);box-shadow:0 4px 8px #ff6b6b66}.manual-icon{font-size:14px}.toggle-notes-button{background:linear-gradient(135deg,#17a2b8,#138496);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;box-shadow:0 2px 4px #17a2b84d;display:flex;align-items:center;gap:8px}.toggle-notes-button:hover{background:linear-gradient(135deg,#138496,#117a8b);transform:translateY(-1px);box-shadow:0 4px 8px #17a2b866}.toggle-icon{font-size:14px}.manual-input-section{background:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:20px;margin-bottom:20px}.manual-form{display:flex;flex-direction:column;gap:15px}.form-group{display:flex;flex-direction:column;gap:5px}.form-group label{font-weight:600;color:#495057;font-size:14px}.student-select{padding:8px 12px;border:1px solid #ced4da;border-radius:4px;font-size:14px;background:#fff;color:#495057}.student-select:focus{outline:none;border-color:#4a90e2;box-shadow:0 0 0 2px #4a90e233}.reason-input{padding:8px 12px;border:1px solid #ced4da;border-radius:4px;font-size:14px;font-family:inherit;resize:vertical;min-height:60px}.reason-input:focus{outline:none;border-color:#4a90e2;box-shadow:0 0 0 2px #4a90e233}.form-actions{display:flex;gap:10px;justify-content:flex-end}.cancel-button{background:#6c757d;color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;transition:all .2s}.cancel-button:hover{background:#5a6268}.submit-button{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;padding:8px 16px;border-radius:4px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.submit-button:hover:not(:disabled){background:linear-gradient(135deg,#218838,#1e7e34)}.submit-button:disabled{opacity:.6;cursor:not-allowed}.students-list-container{flex:1;overflow-y:auto;margin-right:-10px;padding-right:10px}.students-list{list-style:none;padding:0;margin:0}.student-list-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;margin-bottom:8px;background:#fff;border-radius:8px;border:1px solid #e1e5e9;transition:all .2s}.student-list-item:hover{box-shadow:0 2px 8px #0000001a;border-color:#d1d5db}.student-info{display:flex;flex-direction:column;gap:2px;flex:1;min-width:0}.student-main-info{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%}.student-name{font-weight:500;color:#2d3748}.student-indicators{display:flex;align-items:center;gap:6px}.manual-indicator{font-size:10px;background:#ffc107;color:#212529;padding:2px 8px;border-radius:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;white-space:nowrap}.note-indicator-static{background:#17a2b8;color:#fff;padding:4px;border-radius:50%;font-size:12px;display:flex;align-items:center;justify-content:center;min-width:24px;height:24px;box-shadow:0 1px 3px #17a2b84d;cursor:help}.note-icon{font-size:12px}.student-note{margin-top:8px;padding:8px 12px;background:#f8f9fa;border-left:3px solid #17a2b8;border-radius:0 6px 6px 0;font-size:12px;color:#495057;font-style:italic;line-height:1.4;animation:slideDown .2s ease-out}@keyframes slideDown{0%{opacity:0;transform:translateY(-5px);max-height:0}to{opacity:1;transform:translateY(0);max-height:100px}}.note-text{display:block;word-wrap:break-word;max-width:100%}.attendance-badge{padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}.attendance-badge.hadir{background:#d4edda;color:#155724;border:1px solid #c3e6cb}.attendance-badge.alpha{background:#f8d7da;color:#721c24;border:1px solid #f5c6cb}.empty-students-message{text-align:center;color:#888;font-style:italic;padding:40px 20px;background:#fff;border-radius:8px;border:1px solid #e1e5e9}.modal-footer-custom{padding:20px 30px;background-color:#fafbfc;border-top:1px solid #e1e5e9;display:flex;justify-content:flex-end;gap:12px}.close-modal-button{background:#6c757d;color:#fff;border:none;padding:12px 24px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s}.close-modal-button:hover{background:#5a6268;transform:translateY(-1px)}.open-qr-page-button{background:linear-gradient(135deg,#28a745,#20c997);color:#fff;border:none;padding:12px 24px;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:all .2s;box-shadow:0 2px 4px #28a7454d}.open-qr-page-button:hover{background:linear-gradient(135deg,#218838,#1e7e34);transform:translateY(-1px);box-shadow:0 4px 8px #28a74566}.students-list-container::-webkit-scrollbar{width:6px}.students-list-container::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.students-list-container::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}.students-list-container::-webkit-scrollbar-thumb:hover{background:#a1a1a1}@media (max-width: 768px){.qr-modal-content{margin:10px}.modal-body-custom{flex-direction:column;height:auto;max-height:70vh}.qr-section{border-right:none;border-bottom:1px solid #e1e5e9;padding:20px}.students-section{padding:20px}.modal-header-custom{padding:16px 20px}.modal-title-custom{font-size:18px}.section-title{font-size:16px;margin-bottom:15px}.students-header{gap:10px;margin-bottom:15px}.modal-footer-custom{padding:16px 20px;flex-direction:column;gap:8px}.close-modal-button,.open-qr-page-button{width:100%;padding:12px}.students-actions{flex-direction:column;gap:5px;align-items:stretch}.manual-attendance-button,.refresh-button,.toggle-notes-button{width:100%;justify-content:center}.toggle-notes-button{order:3}.manual-input-section{padding:15px}.form-actions{flex-direction:column;gap:8px}.cancel-button,.submit-button{width:100%;padding:10px}.student-main-info{flex-direction:column;align-items:flex-start;gap:6px}.student-indicators{align-self:flex-end}.student-note{font-size:11px;padding:6px 10px;margin-top:6px}.note-indicator-static{min-width:22px;height:22px}.note-icon{font-size:11px}.manual-indicator{font-size:9px;padding:2px 6px}}@media (max-width: 480px){.student-note{font-size:10px;padding:5px 8px;margin-top:5px}.note-indicator-static{min-width:20px;height:20px}.note-icon{font-size:10px}.manual-indicator{font-size:8px;padding:1px 5px}}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.dashboard-container{background:linear-gradient(135deg,#e3f2fd,#bbdefb);min-height:100vh;display:flex}.sidebar{width:280px;background:#fff;box-shadow:0 4px 12px #0000001a;display:flex;flex-direction:column;min-height:100vh;border-radius:0 16px 16px 0;overflow:hidden}.sidebar-header{padding:24px 20px;background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;font-size:22px;font-weight:700;text-align:center;letter-spacing:.5px}.sidebar-header h3{margin:0;font-size:22px;font-weight:700}.sidebar-nav{flex:1;padding:20px 0;overflow-y:auto}.sidebar-nav h2{padding:0 20px 16px;font-size:16px;font-weight:600;color:#666;text-transform:uppercase;letter-spacing:1px}.class-item{margin:0 16px 12px;padding:16px 20px;background:#f8f9fa;border:2px solid transparent;border-radius:12px;cursor:pointer;transition:all .3s ease;font-weight:500;color:#333}.class-item:hover{background:#e3f2fd;border-color:#90caf9;transform:translateY(-2px);box-shadow:0 4px 12px #1976d226}.class-item.selected{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;border-color:#1976d2;box-shadow:0 6px 20px #1976d24d}.loading-message{padding:16px 20px;color:#666;font-style:italic;text-align:center}.user-info-panel{padding:20px;border-top:1px solid #e0e0e0;background:#fafafa}.user-details h5{font-weight:600;color:#333;margin-bottom:4px;font-size:16px}.user-role{color:#666;font-size:14px;margin-bottom:16px}.logout-button{width:100%;padding:12px;background:linear-gradient(135deg,#d32f2f,#c62828);color:#fff;border:none;border-radius:8px;font-weight:600;cursor:pointer;transition:all .3s ease}.logout-button:hover{background:linear-gradient(135deg,#c62828,#b71c1c);transform:translateY(-1px);box-shadow:0 4px 12px #d32f2f4d}.main-content{flex:1;padding:32px;overflow-y:auto}.class-header{background:#fff;padding:24px 32px;border-radius:16px;box-shadow:0 4px 20px #00000014;margin-bottom:24px;border-left:4px solid #1976d2}.class-name{font-size:28px;font-weight:700;color:#1976d2;margin:0}.meetings-container{background:#fff;border-radius:16px;box-shadow:0 4px 20px #00000014;overflow:hidden}.meetings-header{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff;padding:20px 32px;font-size:18px;font-weight:600}.meetings-content{max-height:calc(100vh - 280px);overflow-y:auto;overflow-x:hidden}.meetings-table{width:100%;border-collapse:collapse;table-layout:auto}.meetings-table th{background:#f5f5f5;padding:16px 20px;text-align:center;font-weight:600;color:#333;border-bottom:2px solid #e0e0e0;position:sticky;top:0;z-index:10}.meetings-table td{padding:16px 20px;border-bottom:1px solid #e0e0e0;color:#333;text-align:center}.meetings-table tr:nth-child(2n){background:#fafafa}.meetings-table tr:hover{background:#e3f2fd;transform:scale(1.01);transition:all .2s ease}.qr-button{background:linear-gradient(135deg,#4caf50,#388e3c);color:#fff;border:none;padding:8px 16px;border-radius:6px;font-weight:500;cursor:pointer;transition:all .3s ease;min-width:80px}.qr-button:hover{background:linear-gradient(135deg,#388e3c,#2e7d32);transform:translateY(-1px);box-shadow:0 4px 12px #4caf504d}.qr-button:disabled{background:#bdbdbd;cursor:not-allowed;transform:none;box-shadow:none}.qr-button.active{background:linear-gradient(135deg,#ff9800,#f57c00)}.qr-button.complete{background:linear-gradient(135deg,#9e9e9e,#757575)}.empty-state{background:#fff;padding:40px;border-radius:16px;box-shadow:0 4px 20px #00000014;text-align:center}.empty-state h3{color:#333;margin-bottom:12px;font-size:24px}.empty-state p{color:#666;font-size:16px}@media (max-width: 768px){.dashboard-container{flex-direction:column}.sidebar{width:100%;min-height:auto;border-radius:0;order:2}.main-content{padding:16px;order:1}.class-header{padding:16px 20px}.class-name{font-size:24px}.meetings-header{padding:16px 20px;font-size:16px}.meetings-table{min-width:600px}.meetings-table th,.meetings-table td{padding:12px 16px;font-size:14px}.meetings-content{max-height:400px;overflow:auto}}@media (max-width: 480px){.main-content{padding:12px}.class-header{padding:12px 16px}.class-name{font-size:20px}.meetings-table{min-width:500px}.meetings-table th,.meetings-table td{padding:8px 12px;font-size:13px}.qr-button{padding:6px 12px;font-size:12px;min-width:60px}.meetings-content{overflow:auto}}.sidebar,.main-content,.class-item,.meetings-container{animation:fadeInUp .6s ease}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.Toastify__toast-container{z-index:9999}.qr-button.disabled{background:#bdbdbd!important;cursor:not-allowed!important;transform:none!important;box-shadow:none!important}.qr-button.active{background:linear-gradient(135deg,#ff9800,#f57c00)!important}.qr-button.complete{background:linear-gradient(135deg,#9e9e9e,#757575)!important}.qr-button.view-only{background:linear-gradient(135deg,#6c757d,#5a6268)!important;color:#fff!important}.qr-button.view-only:hover{background:linear-gradient(135deg,#5a6268,#495057)!important}.qr-button.warning{background:linear-gradient(135deg,#ffc107,#e0a800)!important;color:#212529!important}.qr-button.warning:hover{background:linear-gradient(135deg,#e0a800,#d39e00)!important}.students-section.full-width{flex:1;max-width:100%}.action-buttons{display:flex;align-items:center;gap:8px;justify-content:center}.status-text{font-size:12px;color:#6c757d;font-weight:500;background:#f8f9fa;padding:4px 8px;border-radius:4px;border:1px solid #e9ecef}.view-attendance-button{background:linear-gradient(135deg,#17a2b8,#138496);color:#fff;border:none;padding:6px 12px;border-radius:4px;font-weight:500;cursor:pointer;transition:all .3s ease;font-size:12px;min-width:80px}.view-attendance-button:hover{background:linear-gradient(135deg,#138496,#117a8b);transform:translateY(-1px);box-shadow:0 4px 12px #17a2b84d}.view-attendance-button:active{transform:translateY(0)}@media (max-width: 768px){.action-buttons{flex-direction:column;gap:4px}.status-text{font-size:11px;padding:3px 6px}.view-attendance-button{font-size:11px;padding:5px 10px;min-width:70px}}@media (max-width: 480px){.action-buttons{gap:3px}.status-text{font-size:10px;padding:2px 5px}.view-attendance-button{font-size:10px;padding:4px 8px;min-width:60px}}.th{text-align:center}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif}.admin-wrapper{background:linear-gradient(135deg,#e3f2fd,#bbdefb);min-height:100vh;padding:20px}.admin-dashboard-container{max-width:1200px;margin:0 auto;background:#fff;border-radius:16px;box-shadow:0 8px 32px #0000001a;overflow:hidden;animation:fadeIn .6s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.header{display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background:linear-gradient(135deg,#fff,#f8f9fa)}.header-left h1{color:#1976d2;font-size:2rem;font-weight:700;margin-bottom:4px}.header-left p{color:#666;font-size:1rem}.logout-btn{background:linear-gradient(135deg,#f44336,#d32f2f);color:#fff;border:none;padding:12px 24px;border-radius:8px;cursor:pointer;font-weight:600;transition:all .3s ease;box-shadow:0 2px 8px #f443364d}.logout-btn:hover{transform:translateY(-2px);box-shadow:0 4px 16px #f4433666}.divider{height:1px;background:linear-gradient(90deg,transparent,#e0e0e0,transparent);margin:0 40px}.search-container{padding:10px 10px 14px;display:flex;justify-content:center}.search-bar{position:relative;width:100%;max-width:500px}.search-input{width:100%;padding:16px 20px;border:2px solid #e0e0e0;border-radius:12px;font-size:1rem;transition:all .3s ease;background:#fafafa}.search-input:focus{outline:none;border-color:#1976d2;background:#fff;box-shadow:0 0 0 3px #1976d21a}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 40px}.loading-spinner{width:40px;height:40px;border:4px solid #e0e0e0;border-top:4px solid #1976d2;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:16px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-text{color:#666;font-size:1.1rem;font-weight:500}.error-container{padding:40px;text-align:center}.error-message{color:#f44336;background:#ffebee;padding:16px 24px;border-radius:8px;font-size:1rem;font-weight:500;border-left:4px solid #f44336}.table-container{padding:0 20px;overflow-x:auto}.user-table{width:100%;border-collapse:collapse;border-radius:12px;overflow:hidden;box-shadow:0 2px 16px #00000014}.user-table thead{background:linear-gradient(135deg,#1976d2,#1565c0);color:#fff}.user-table th{padding:10px;text-align:left;font-weight:600;font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.user-table tbody tr{background:#fff;transition:all .2s ease}.user-table tbody tr:nth-child(2n){background:#fafafa}.user-table tbody tr:hover{background:#f0f7ff;transform:scale(1.01);box-shadow:0 2px 8px #0000001a}.user-table td{padding:10px;border-bottom:1px solid #f0f0f0;vertical-align:middle}.username{font-weight:600;color:#1976d2}.device-id{font-family:monospace;background:#f5f5f5;padding:4px 8px;border-radius:6px;font-size:.85rem}.reset-btn{background:linear-gradient(135deg,#ff9800,#f57c00);color:#fff;border:none;padding:8px 16px;border-radius:6px;cursor:pointer;font-weight:500;font-size:.85rem;transition:all .3s ease;box-shadow:0 2px 6px #ff98004d}.reset-btn:hover{transform:translateY(-1px);box-shadow:0 4px 12px #ff980066}.no-users{text-align:center;color:#666;font-style:italic;padding:40px 16px;background:#fafafa}.pagination{display:flex;justify-content:center;align-items:center;padding:10px 0;gap:8px;flex-wrap:wrap}.page-btn{width:40px;height:40px;border:2px solid #e0e0e0;background:#fff;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:600;transition:all .3s ease;color:#666}.page-btn:hover{border-color:#1976d2;color:#1976d2;transform:translateY(-2px)}.page-btn.active{background:linear-gradient(135deg,#1976d2,#1565c0);border-color:#1976d2;color:#fff;box-shadow:0 4px 12px #1976d24d}.page-btn.active:hover{transform:translateY(-2px)}@media (max-width: 768px){body{padding:10px}.admin-dashboard-container{border-radius:12px}.header{flex-direction:column;gap:16px;padding:24px 20px;text-align:center}.header-left h1{font-size:1.5rem}.divider{margin:0 20px}.search-container,.table-container{padding:24px 20px}.loading-container,.error-container{padding:40px 20px}.user-table th,.user-table td{padding:10px 8px;font-size:.85rem}.pagination{padding:24px 20px;gap:4px}.page-btn{width:36px;height:36px;font-size:.85rem}}@media (max-width: 480px){.user-table{font-size:.8rem}.reset-btn{padding:6px 12px;font-size:.75rem}.device-id{font-size:.7rem}.header-left h1{font-size:1.3rem}.search-input{padding:12px 16px;font-size:.9rem}}.timestamp{font-size:.85rem;color:#555;font-style:italic;background:#f8f8f8;padding:4px 8px;border-radius:4px;display:inline-block}.timestamp.unavailable{color:#999;background:#f0f0f0}.unauthorized-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:100vh;text-align:center;background-color:#f8f9fa;color:#333}.unauthorized-container h1{font-size:3rem;margin-bottom:1rem;color:#dc3545}.unauthorized-container p{font-size:1.2rem;margin-bottom:2rem}.back-button{padding:10px 20px;font-size:1rem;color:#fff;background-color:#007bff;border:none;border-radius:5px;cursor:pointer;transition:background-color .3s ease}.back-button:hover{background-color:#0056b3}