@charset "UTF-8";*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background-color:#f5f7fa;color:#333}.app{min-height:100vh;display:flex;flex-direction:column}.app-header{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1rem 2rem;box-shadow:0 2px 10px #0000001a}.app-header h1{font-size:1.8rem;margin-bottom:1rem;text-align:center}.nav-tabs{display:flex;justify-content:center;gap:.5rem;flex-wrap:wrap}.nav-tabs button{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;padding:.75rem 1.5rem;border-radius:25px;cursor:pointer;transition:all .3s ease;font-weight:500;min-width:120px}.nav-tabs button:hover{background:#fff3;transform:translateY(-2px)}.nav-tabs button.active{background:#ffffff4d;border-color:#ffffff80;box-shadow:0 4px 15px #0003}.app-main{flex:1;padding:2rem;max-width:1200px;margin:0 auto;width:100%}.dashboard h2{text-align:center;margin-bottom:2rem;color:#2c3e50;font-size:2rem}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem;margin-top:2rem}.stat-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000001a;text-align:center;transition:transform .3s ease,box-shadow .3s ease}.stat-card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #00000026}.stat-card h3{color:#7f8c8d;font-size:1rem;margin-bottom:.5rem;text-transform:uppercase;letter-spacing:1px}.stat-number{font-size:2.5rem;font-weight:700;color:#2c3e50;margin:0}.students-section,.courses-section,.grades-section{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px #0000001a}.students-section h2,.courses-section h2,.grades-section h2{color:#2c3e50;margin-bottom:1rem;font-size:1.8rem}.students-section p,.courses-section p,.grades-section p{color:#7f8c8d;font-size:1.1rem;line-height:1.6}@media (max-width: 768px){.app-header{padding:1rem}.app-header h1{font-size:1.5rem}.nav-tabs{gap:.25rem}.nav-tabs button{padding:.5rem 1rem;min-width:100px;font-size:.9rem}.app-main{padding:1rem}.dashboard-stats{grid-template-columns:1fr}.stat-card{padding:1.5rem}.stat-number{font-size:2rem}}.main-title{font-size:2.1rem;font-weight:800;text-align:center;margin-bottom:2.2rem;color:#212529;letter-spacing:.01em;line-height:1.2}body,.login-bg,.login-card,.login-title,.login-input,.login-continue,.login-signup-text,.login-error,.login-input-group,.login-icon,.login-eye-icon{font-family:Poppins,Inter,Arial,sans-serif}.login-bg{min-height:100vh;background:#f4fce3;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:1.5rem}.login-card{background:#fff;border-radius:20px;border:2px solid #212529;box-shadow:0 10px #181c22,0 8px 24px #2125291a,0 12px 32px #2125291f;padding:2.5rem 2rem 2rem;width:100%;max-width:370px;display:flex;flex-direction:column;align-items:center;gap:.5rem;transition:box-shadow .2s,border .2s}.login-title{font-size:1.6rem;font-weight:700;margin-bottom:1.2rem;letter-spacing:.01em}.highlight{background:#f4fce3;border-radius:6px;padding:0 .5rem}.login-input-group{display:flex;align-items:center;width:100%;background:#f4f6f8;border-radius:10px;border:1.5px solid #bfc3c9;margin-bottom:1.1rem;padding:.5rem 1rem;position:relative;transition:border .2s}.login-input-group:focus-within{border:1.5px solid #495057;background:#f1f3f5}.login-error{color:#e53935;font-size:.93rem;margin-top:-.7rem;margin-bottom:.7rem;margin-left:.2rem;width:100%;text-align:left;font-weight:500;letter-spacing:.01em}.login-icon{font-size:1.6rem;margin-right:.7rem}.contrast{color:#495057!important}.user-stroke svg{stroke:#212529;stroke-width:1.5;filter:drop-shadow(0 1px 2px rgba(0,0,0,.1))}.login-input{border:none;background:transparent;outline:none;font-size:1rem;width:100%;padding:.5rem 0;color:#212529;transition:background .2s;height:44px;box-sizing:border-box;font-weight:400;box-shadow:none}.login-input::placeholder{color:#8a8f98;opacity:1;font-size:1rem;font-weight:400;letter-spacing:.01em;vertical-align:middle;line-height:44px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.login-eye-icon{font-size:1.6rem;margin-left:.5rem;-webkit-user-select:none;user-select:none;display:flex;align-items:center;cursor:pointer;transition:color .2s}.login-eye-icon:hover{color:#212529!important}.login-continue{width:100%;background:#868e96;color:#fff;border:none;border-radius:2rem;padding:.8rem 0;font-size:1.1rem;font-weight:600;margin-bottom:1rem;cursor:pointer;transition:background .2s,box-shadow .2s,transform .15s;display:flex;align-items:center;justify-content:center;box-shadow:none}.login-continue:hover:enabled{background:#495057;box-shadow:0 6px #181c22;transform:translateY(-2px) scale(1.02)}.login-continue:disabled{background:#d3d6db;color:#adb5bd;cursor:not-allowed;box-shadow:none;transform:none}.arrow{margin-left:.5rem}.login-signup-text{font-size:.98rem;margin-bottom:1.2rem;text-align:center}.login-signup-link{color:#212529;font-weight:600;text-decoration:underline}.login-signup-link.disabled{color:#adb5bd;cursor:not-allowed;text-decoration:none;pointer-events:none;opacity:.6}@media (max-width: 1200px){.main-title{font-size:1.9rem;margin-bottom:2rem}.login-card{max-width:350px;padding:2.2rem 1.8rem 1.8rem}.login-title{font-size:1.5rem;margin-bottom:1.1rem}}@media (max-width: 900px){.main-title{font-size:1.7rem;margin-bottom:1.8rem}.login-card{max-width:330px;padding:2rem 1.6rem 1.6rem}.login-title{font-size:1.4rem;margin-bottom:1rem}.login-input-group{margin-bottom:1rem;padding:.45rem .9rem}.login-icon{font-size:1.5rem;margin-right:.6rem}.login-eye-icon{font-size:1.5rem}.login-continue{padding:.75rem 0;font-size:1.05rem}}@media (max-width: 768px){.login-bg{padding:1.2rem}.main-title{font-size:1.5rem;margin-bottom:1.5rem}.login-card{max-width:320px;padding:1.8rem 1.4rem 1.4rem;border-radius:16px}.login-title{font-size:1.3rem;margin-bottom:.9rem}.login-input-group{margin-bottom:.9rem;padding:.4rem .8rem;border-radius:8px}.login-input{font-size:16px!important;height:40px}.login-input::placeholder{font-size:16px;line-height:40px}.login-icon{font-size:1.4rem;margin-right:.5rem}.login-eye-icon{font-size:1.4rem}.login-continue{padding:.7rem 0;font-size:1rem;min-height:44px}.login-signup-text{font-size:.95rem;margin-bottom:1rem}}@media (max-width: 600px){.login-bg{padding:1rem}.main-title{font-size:1.3rem;margin-bottom:1.2rem}.login-card{max-width:98vw;min-width:280px;padding:1.5rem 1.2rem 1.2rem;box-shadow:0 6px #181c22,0 4px 12px #2125291a}.login-title{font-size:1.2rem;margin-bottom:.8rem}.login-input-group{margin-bottom:.8rem;padding:.35rem .7rem}.login-input{height:38px}.login-input::placeholder{line-height:38px}.login-icon{font-size:1.3rem;margin-right:.4rem}.login-eye-icon{font-size:1.3rem}.login-continue{padding:.65rem 0;font-size:.95rem}.login-signup-text{font-size:.9rem;margin-bottom:.8rem}.login-error{font-size:.9rem;margin-top:-.6rem;margin-bottom:.6rem}}@media (max-width: 480px){.login-bg{padding:.75rem}.main-title{font-size:1.1rem;margin-bottom:1rem}.login-card{max-width:95vw;min-width:260px;padding:1.2rem 1rem 1rem;border-radius:12px}.login-title{font-size:1.1rem;margin-bottom:.7rem}.login-input-group{margin-bottom:.7rem;padding:.3rem .6rem}.login-input{height:36px;font-size:16px!important}.login-input::placeholder{line-height:36px;font-size:16px}.login-icon{font-size:1.2rem;margin-right:.3rem}.login-eye-icon{font-size:1.2rem}.login-continue{padding:.6rem 0;font-size:.9rem}.login-signup-text{font-size:.85rem;margin-bottom:.7rem}.login-error{font-size:.85rem;margin-top:-.5rem;margin-bottom:.5rem}}@media (max-width: 360px){.login-bg{padding:.5rem}.main-title{font-size:1rem;margin-bottom:.8rem}.login-card{max-width:92vw;min-width:240px;padding:1rem .8rem .8rem}.login-title{font-size:1rem;margin-bottom:.6rem}.login-input-group{margin-bottom:.6rem;padding:.25rem .5rem}.login-input{height:34px}.login-input::placeholder{line-height:34px}.login-icon{font-size:1.1rem;margin-right:.25rem}.login-eye-icon{font-size:1.1rem}.login-continue{padding:.55rem 0;font-size:.85rem}.login-signup-text{font-size:.8rem;margin-bottom:.6rem}}.login-loading-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#ffffffe6;display:flex;align-items:center;justify-content:center;border-radius:18px;z-index:10}.login-spinner{width:40px;height:40px;border:3px solid #f3f3f3;border-top:3px solid #495057;border-radius:50%;animation:login-spin 1s linear infinite}@keyframes login-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.login-check-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#fffffff2;display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:18px;z-index:10}.login-checkmark{margin-bottom:1rem}.checkmark-circle{stroke-dasharray:166;stroke-dashoffset:166;stroke-width:2;stroke-miterlimit:10;stroke:#51cf66;fill:none;animation:checkmark-circle .6s cubic-bezier(.65,0,.45,1) forwards}.checkmark-check{stroke-dasharray:48;stroke-dashoffset:48;stroke-width:3;stroke:#51cf66;animation:checkmark-check .3s cubic-bezier(.65,0,.45,1) .8s forwards}@keyframes checkmark-circle{0%{stroke-dashoffset:166}to{stroke-dashoffset:0}}@keyframes checkmark-check{0%{stroke-dashoffset:48}to{stroke-dashoffset:0}}.login-check-text{color:#51cf66;font-weight:600;font-size:1rem}@media (max-width: 768px){.login-spinner{width:36px;height:36px;border-width:2.5px}.login-check-text{font-size:.95rem}}@media (max-width: 480px){.login-spinner{width:32px;height:32px;border-width:2px}.login-check-text{font-size:.9rem}}.toast-stack{position:fixed;top:30px;right:30px;z-index:9999;display:flex;flex-direction:column;gap:16px;max-width:350px}.modal-toast-stack{position:absolute;top:0;left:0;right:auto;z-index:20;display:flex;flex-direction:column;gap:12px;max-width:320px}.toast-notification{background:#ff4d4f;color:#fff;padding:7px 14px;border-radius:5px;box-shadow:0 2px 8px #0000001a;font-size:.93rem;opacity:1;animation:fadeInOut 3s forwards;word-wrap:break-word;line-height:1.3;min-width:120px;max-width:320px}.toast-success{background:#51cf66;color:#fff}.toast-error{background:#ff4d4f;color:#fff}@keyframes fadeInOut{0%{opacity:0;transform:translateY(-20px)}10%{opacity:1;transform:translateY(0)}90%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-20px)}}@media (max-width: 1200px){.toast-stack{top:25px;right:25px;max-width:320px}.toast-notification{padding:14px 24px;font-size:.95rem}}@media (max-width: 900px){.toast-stack{top:20px;right:20px;max-width:300px;gap:12px}.toast-notification{padding:12px 20px;font-size:.9rem}}@media (max-width: 768px){.toast-stack{top:15px;right:15px;left:15px;max-width:none;gap:10px}.toast-notification{padding:10px 16px;font-size:.85rem;border-radius:6px}}@media (max-width: 600px){.toast-stack{top:10px;right:10px;left:10px;gap:8px}.toast-notification{padding:8px 12px;font-size:.8rem;border-radius:4px}}@media (max-width: 480px){.toast-stack{top:8px;right:8px;left:8px;gap:6px}.toast-notification{padding:6px 10px;font-size:.75rem;border-radius:3px}}@media (max-height: 500px) and (orientation: landscape){.toast-stack{top:10px;right:10px;left:auto;max-width:280px}.toast-notification{padding:8px 12px;font-size:.8rem}}.sidebar{position:relative;left:0;top:0;width:220px;min-width:60px;height:100vh;background:#fff;border-right:2px solid #212529;box-shadow:2px 0 8px #21252914;display:flex;flex-direction:column;align-items:stretch;font-family:Poppins,Inter,Arial,sans-serif;z-index:100;overflow:hidden;transition:width .3s ease-in-out,min-width .3s ease-in-out}.sidebar.sidebar-collapsed{width:60px}.sidebar-title{font-size:1.4rem;font-weight:800;color:#212529;padding:2rem 1rem 1rem 1.5rem;letter-spacing:.01em;border-bottom:1px solid #f1f3f5;transition:all .3s ease-in-out;margin-top:48px;white-space:nowrap;overflow:hidden}.sidebar.sidebar-collapsed .sidebar-title{font-size:0;padding:1.2rem .5rem;text-align:center;margin-top:0;opacity:0}.sidebar-nav{display:flex;flex-direction:column;margin-top:2rem;gap:.5rem;padding:0 1rem;transition:all .3s ease-in-out;flex:1}.sidebar.sidebar-collapsed .sidebar-nav{margin-top:2rem;padding:0 .5rem}.sidebar-nav button{background:none;border:none;color:#495057;font-size:1.1rem;font-weight:600;padding:.9rem 1.2rem;border-radius:8px;display:flex;align-items:center;gap:.8rem;cursor:pointer;transition:background .2s,color .2s;text-align:left;width:100%;position:relative;overflow:hidden}.sidebar.sidebar-collapsed .sidebar-nav button{justify-content:center;padding:.9rem;gap:0;text-align:center}.sidebar-nav button span{display:inline-block;transition:all .3s ease-in-out;white-space:nowrap;overflow:hidden}.sidebar.sidebar-collapsed .sidebar-nav button span{width:0;opacity:0;margin:0;padding:0}.sidebar-nav button.active{background:#f4fce3;color:#212529;box-shadow:2px 4px 0 3px #212529}.sidebar-nav button:hover{background:none;color:#212529;box-shadow:none}.sidebar-nav button.logout{color:#ff4d4f;font-weight:700;background:none;box-shadow:none;transition:color .2s,background .2s}.sidebar-nav button.logout:hover,.sidebar-nav button.logout.active{color:#fff;background:#ff4d4f;box-shadow:0 2px 8px #ff4d4f14}.sidebar-nav button.logout:focus{outline:2px solid #ff4d4f;outline-offset:2px}.sidebar-toggle-btn{position:absolute;top:16px;right:16px;z-index:110;background:#fff;border:1.5px solid #212529;border-radius:6px;padding:.5rem;cursor:pointer;box-shadow:0 2px 4px #0000001a;font-size:1.2rem;color:#495057;width:40px;height:40px;display:flex;align-items:center;justify-content:center;transition:right .3s,left .3s}.sidebar.sidebar-collapsed .sidebar-toggle-btn{left:10px;right:auto}.sidebar-icon{font-size:1.3rem!important;min-width:24px;min-height:24px;flex-shrink:0}.sidebar.sidebar-collapsed .sidebar-icon{margin:0}@media (max-width: 1024px){.sidebar{width:200px}.sidebar.sidebar-collapsed{width:60px}.sidebar-title{font-size:1.3rem;padding:1.8rem .9rem .9rem 1.3rem}.sidebar-nav button{font-size:1rem;padding:.8rem 1rem}}@media (max-width: 900px){.sidebar{width:180px}.sidebar-title{font-size:1.2rem;padding:1.6rem .8rem .8rem 1.2rem}.sidebar-nav{margin-top:1.5rem;gap:.4rem}.sidebar-nav button{font-size:.95rem;padding:.75rem .9rem}.sidebar-icon{font-size:1.2rem!important}}@media (max-width: 800px){.sidebar{width:60px;min-width:60px;position:fixed;left:0;top:0;transform:translate(-100%);transition:transform .3s ease-in-out}.sidebar.sidebar-open{transform:translate(0)}.sidebar.sidebar-collapsed{width:60px;min-width:60px;transform:translate(-100%)}.sidebar.sidebar-collapsed.sidebar-open{transform:translate(0)}.sidebar-title{font-size:0;padding:1.2rem .5rem;text-align:center;margin-top:0;opacity:0}.sidebar-nav{margin-top:2rem;padding:0 .5rem}.sidebar-nav button{justify-content:center;padding:.9rem;gap:0;text-align:center;font-size:.9rem}.sidebar-nav button span{width:0;opacity:0;margin:0;padding:0}.sidebar-toggle-btn{left:10px;right:auto;top:10px;width:36px;height:36px;font-size:1.1rem}.sidebar-icon{font-size:1.1rem!important;min-width:20px;min-height:20px}}@media (max-width: 600px){.sidebar{width:60px}.sidebar-nav button{padding:.8rem;font-size:.85rem}.sidebar-toggle-btn{width:32px;height:32px;font-size:1rem;top:8px;left:8px}.sidebar-icon{font-size:1rem!important;min-width:18px;min-height:18px}}@media (max-width: 480px){.sidebar{width:60px}.sidebar-nav button{padding:.7rem;font-size:.8rem}.sidebar-toggle-btn{width:30px;height:30px;font-size:.9rem;top:6px;left:6px}.sidebar-icon{font-size:.9rem!important;min-width:16px;min-height:16px}}.sidebar-mobile-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:99;opacity:0;visibility:hidden;transition:opacity .3s ease-in-out,visibility .3s ease-in-out}.sidebar-mobile-overlay.active{opacity:1;visibility:visible}@media (max-width: 800px){.sidebar-nav button,.sidebar-toggle-btn{min-height:44px;min-width:44px}}.sidebar-nav button:focus{outline:2px solid #007bff;outline-offset:2px}.sidebar-toggle-btn:focus{outline:2px solid #007bff;outline-offset:2px}.toggle-icon{position:absolute;left:0;right:0;top:0;bottom:0;display:flex;align-items:center;justify-content:center;width:100%;height:100%;font-size:1.2rem;opacity:0;transform:scale(.7) rotate(-90deg);transition:opacity .25s,transform .25s;pointer-events:none}.toggle-icon.visible{opacity:1;transform:scale(1) rotate(0);pointer-events:auto}@media (max-width: 800px){.toggle-icon{font-size:1.1rem}}@media (max-width: 600px){.toggle-icon{font-size:1rem}}@media (max-width: 480px){.toggle-icon{font-size:.9rem}}.react-datepicker__navigation-icon:before,.react-datepicker__year-read-view--down-arrow,.react-datepicker__month-read-view--down-arrow,.react-datepicker__month-year-read-view--down-arrow{border-color:#ccc;border-style:solid;border-width:3px 3px 0 0;content:"";display:block;height:9px;position:absolute;top:6px;width:9px}.react-datepicker-wrapper{display:inline-block;padding:0;border:0}.react-datepicker{font-family:Helvetica Neue,helvetica,arial,sans-serif;font-size:.8rem;background-color:#fff;color:#000;border:1px solid #aeaeae;border-radius:.3rem;display:inline-block;position:relative;line-height:initial}.react-datepicker--time-only .react-datepicker__time-container{border-left:0}.react-datepicker--time-only .react-datepicker__time,.react-datepicker--time-only .react-datepicker__time-box{border-bottom-left-radius:.3rem;border-bottom-right-radius:.3rem}.react-datepicker-popper{z-index:1;line-height:0}.react-datepicker-popper .react-datepicker__triangle{stroke:#aeaeae}.react-datepicker-popper[data-placement^=bottom] .react-datepicker__triangle{fill:#f0f0f0;color:#f0f0f0}.react-datepicker-popper[data-placement^=top] .react-datepicker__triangle{fill:#fff;color:#fff}.react-datepicker__header{text-align:center;background-color:#f0f0f0;border-bottom:1px solid #aeaeae;border-top-left-radius:.3rem;padding:8px 0;position:relative}.react-datepicker__header--time{padding-bottom:8px;padding-left:5px;padding-right:5px}.react-datepicker__header--time:not(.react-datepicker__header--time--only){border-top-left-radius:0}.react-datepicker__header:not(.react-datepicker__header--has-time-select){border-top-right-radius:.3rem}.react-datepicker__year-dropdown-container--select,.react-datepicker__month-dropdown-container--select,.react-datepicker__month-year-dropdown-container--select,.react-datepicker__year-dropdown-container--scroll,.react-datepicker__month-dropdown-container--scroll,.react-datepicker__month-year-dropdown-container--scroll{display:inline-block;margin:0 15px}.react-datepicker__current-month,.react-datepicker-time__header,.react-datepicker-year-header{margin-top:0;color:#000;font-weight:700;font-size:.944rem}h2.react-datepicker__current-month{padding:0;margin:0}.react-datepicker-time__header{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.react-datepicker__navigation{align-items:center;background:none;display:flex;justify-content:center;text-align:center;cursor:pointer;position:absolute;top:2px;padding:0;border:none;z-index:1;height:32px;width:32px;text-indent:-999em;overflow:hidden}.react-datepicker__navigation--previous{left:2px}.react-datepicker__navigation--next{right:2px}.react-datepicker__navigation--next--with-time:not(.react-datepicker__navigation--next--with-today-button){right:85px}.react-datepicker__navigation--years{position:relative;top:0;display:block;margin-left:auto;margin-right:auto}.react-datepicker__navigation--years-previous{top:4px}.react-datepicker__navigation--years-upcoming{top:-4px}.react-datepicker__navigation:hover *:before{border-color:#a6a6a6}.react-datepicker__navigation-icon{position:relative;top:-1px;font-size:20px;width:0}.react-datepicker__navigation-icon--next{left:-2px}.react-datepicker__navigation-icon--next:before{transform:rotate(45deg);left:-7px}.react-datepicker__navigation-icon--previous{right:-2px}.react-datepicker__navigation-icon--previous:before{transform:rotate(225deg);right:-7px}.react-datepicker__month-container{float:left}.react-datepicker__year{margin:.4rem;text-align:center}.react-datepicker__year-wrapper{display:flex;flex-wrap:wrap;max-width:180px}.react-datepicker__year .react-datepicker__year-text{display:inline-block;width:4rem;margin:2px}.react-datepicker__month{margin:.4rem;text-align:center}.react-datepicker__month .react-datepicker__month-text,.react-datepicker__month .react-datepicker__quarter-text{display:inline-block;width:4rem;margin:2px}.react-datepicker__input-time-container{clear:both;width:100%;float:left;margin:5px 0 10px 15px;text-align:left}.react-datepicker__input-time-container .react-datepicker-time__caption,.react-datepicker__input-time-container .react-datepicker-time__input-container{display:inline-block}.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__input{display:inline-block;margin-left:10px}.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__input input{width:auto}.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__input input[type=time]::-webkit-inner-spin-button,.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__input input[type=time]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__input input[type=time]{-moz-appearance:textfield}.react-datepicker__input-time-container .react-datepicker-time__input-container .react-datepicker-time__delimiter{margin-left:5px;display:inline-block}.react-datepicker__time-container{float:right;border-left:1px solid #aeaeae;width:85px}.react-datepicker__time-container--with-today-button{display:inline;border:1px solid #aeaeae;border-radius:.3rem;position:absolute;right:-87px;top:0}.react-datepicker__time-container .react-datepicker__time{position:relative;background:#fff;border-bottom-right-radius:.3rem}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box{width:85px;overflow-x:hidden;margin:0 auto;text-align:center;border-bottom-right-radius:.3rem}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list{list-style:none;margin:0;height:calc(195px + .85rem);overflow-y:scroll;padding-right:0;padding-left:0;width:100%;box-sizing:content-box}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item{height:30px;padding:5px 10px;white-space:nowrap}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item:hover{cursor:pointer;background-color:#f0f0f0}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item--selected{background-color:#216ba5;color:#fff;font-weight:700}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item--selected:hover{background-color:#216ba5}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item--disabled{color:#ccc}.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item--disabled:hover{cursor:default;background-color:transparent}.react-datepicker__week-number{color:#ccc;display:inline-block;width:1.7rem;line-height:1.7rem;text-align:center;margin:.166rem}.react-datepicker__week-number.react-datepicker__week-number--clickable{cursor:pointer}.react-datepicker__week-number.react-datepicker__week-number--clickable:not(.react-datepicker__week-number--selected):hover{border-radius:.3rem;background-color:#f0f0f0}.react-datepicker__week-number--selected{border-radius:.3rem;background-color:#216ba5;color:#fff}.react-datepicker__week-number--selected:hover{background-color:#1d5d90}.react-datepicker__day-names{white-space:nowrap;margin-bottom:-8px}.react-datepicker__week{white-space:nowrap}.react-datepicker__day-name,.react-datepicker__day,.react-datepicker__time-name{color:#000;display:inline-block;width:1.7rem;line-height:1.7rem;text-align:center;margin:.166rem}.react-datepicker__day,.react-datepicker__month-text,.react-datepicker__quarter-text,.react-datepicker__year-text{cursor:pointer}.react-datepicker__day:not([aria-disabled=true]):hover,.react-datepicker__month-text:not([aria-disabled=true]):hover,.react-datepicker__quarter-text:not([aria-disabled=true]):hover,.react-datepicker__year-text:not([aria-disabled=true]):hover{border-radius:.3rem;background-color:#f0f0f0}.react-datepicker__day--today,.react-datepicker__month-text--today,.react-datepicker__quarter-text--today,.react-datepicker__year-text--today{font-weight:700}.react-datepicker__day--highlighted,.react-datepicker__month-text--highlighted,.react-datepicker__quarter-text--highlighted,.react-datepicker__year-text--highlighted{border-radius:.3rem;background-color:#3dcc4a;color:#fff}.react-datepicker__day--highlighted:not([aria-disabled=true]):hover,.react-datepicker__month-text--highlighted:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--highlighted:not([aria-disabled=true]):hover,.react-datepicker__year-text--highlighted:not([aria-disabled=true]):hover{background-color:#32be3f}.react-datepicker__day--highlighted-custom-1,.react-datepicker__month-text--highlighted-custom-1,.react-datepicker__quarter-text--highlighted-custom-1,.react-datepicker__year-text--highlighted-custom-1{color:#f0f}.react-datepicker__day--highlighted-custom-2,.react-datepicker__month-text--highlighted-custom-2,.react-datepicker__quarter-text--highlighted-custom-2,.react-datepicker__year-text--highlighted-custom-2{color:green}.react-datepicker__day--holidays,.react-datepicker__month-text--holidays,.react-datepicker__quarter-text--holidays,.react-datepicker__year-text--holidays{position:relative;border-radius:.3rem;background-color:#ff6803;color:#fff}.react-datepicker__day--holidays .overlay,.react-datepicker__month-text--holidays .overlay,.react-datepicker__quarter-text--holidays .overlay,.react-datepicker__year-text--holidays .overlay{position:absolute;bottom:100%;left:50%;transform:translate(-50%);background-color:#333;color:#fff;padding:4px;border-radius:4px;white-space:nowrap;visibility:hidden;opacity:0;transition:visibility 0s,opacity .3s ease-in-out}.react-datepicker__day--holidays:not([aria-disabled=true]):hover,.react-datepicker__month-text--holidays:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--holidays:not([aria-disabled=true]):hover,.react-datepicker__year-text--holidays:not([aria-disabled=true]):hover{background-color:#cf5300}.react-datepicker__day--holidays:hover .overlay,.react-datepicker__month-text--holidays:hover .overlay,.react-datepicker__quarter-text--holidays:hover .overlay,.react-datepicker__year-text--holidays:hover .overlay{visibility:visible;opacity:1}.react-datepicker__day--selected,.react-datepicker__day--in-selecting-range,.react-datepicker__day--in-range,.react-datepicker__month-text--selected,.react-datepicker__month-text--in-selecting-range,.react-datepicker__month-text--in-range,.react-datepicker__quarter-text--selected,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__quarter-text--in-range,.react-datepicker__year-text--selected,.react-datepicker__year-text--in-selecting-range,.react-datepicker__year-text--in-range{border-radius:.3rem;background-color:#216ba5;color:#fff}.react-datepicker__day--selected:not([aria-disabled=true]):hover,.react-datepicker__day--in-selecting-range:not([aria-disabled=true]):hover,.react-datepicker__day--in-range:not([aria-disabled=true]):hover,.react-datepicker__month-text--selected:not([aria-disabled=true]):hover,.react-datepicker__month-text--in-selecting-range:not([aria-disabled=true]):hover,.react-datepicker__month-text--in-range:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--selected:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--in-selecting-range:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--in-range:not([aria-disabled=true]):hover,.react-datepicker__year-text--selected:not([aria-disabled=true]):hover,.react-datepicker__year-text--in-selecting-range:not([aria-disabled=true]):hover,.react-datepicker__year-text--in-range:not([aria-disabled=true]):hover{background-color:#1d5d90}.react-datepicker__day--keyboard-selected,.react-datepicker__month-text--keyboard-selected,.react-datepicker__quarter-text--keyboard-selected,.react-datepicker__year-text--keyboard-selected{border-radius:.3rem;background-color:#bad9f1;color:#000}.react-datepicker__day--keyboard-selected:not([aria-disabled=true]):hover,.react-datepicker__month-text--keyboard-selected:not([aria-disabled=true]):hover,.react-datepicker__quarter-text--keyboard-selected:not([aria-disabled=true]):hover,.react-datepicker__year-text--keyboard-selected:not([aria-disabled=true]):hover{background-color:#1d5d90}.react-datepicker__day--in-selecting-range:not(.react-datepicker__day--in-range,.react-datepicker__month-text--in-range,.react-datepicker__quarter-text--in-range,.react-datepicker__year-text--in-range),.react-datepicker__month-text--in-selecting-range:not(.react-datepicker__day--in-range,.react-datepicker__month-text--in-range,.react-datepicker__quarter-text--in-range,.react-datepicker__year-text--in-range),.react-datepicker__quarter-text--in-selecting-range:not(.react-datepicker__day--in-range,.react-datepicker__month-text--in-range,.react-datepicker__quarter-text--in-range,.react-datepicker__year-text--in-range),.react-datepicker__year-text--in-selecting-range:not(.react-datepicker__day--in-range,.react-datepicker__month-text--in-range,.react-datepicker__quarter-text--in-range,.react-datepicker__year-text--in-range){background-color:#216ba580}.react-datepicker__month--selecting-range .react-datepicker__day--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__year--selecting-range .react-datepicker__day--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__month--selecting-range .react-datepicker__month-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__year--selecting-range .react-datepicker__month-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__month--selecting-range .react-datepicker__quarter-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__year--selecting-range .react-datepicker__quarter-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__month--selecting-range .react-datepicker__year-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range),.react-datepicker__year--selecting-range .react-datepicker__year-text--in-range:not(.react-datepicker__day--in-selecting-range,.react-datepicker__month-text--in-selecting-range,.react-datepicker__quarter-text--in-selecting-range,.react-datepicker__year-text--in-selecting-range){background-color:#f0f0f0;color:#000}.react-datepicker__day--disabled,.react-datepicker__month-text--disabled,.react-datepicker__quarter-text--disabled,.react-datepicker__year-text--disabled{cursor:default;color:#ccc}.react-datepicker__day--disabled .overlay,.react-datepicker__month-text--disabled .overlay,.react-datepicker__quarter-text--disabled .overlay,.react-datepicker__year-text--disabled .overlay{position:absolute;bottom:70%;left:50%;transform:translate(-50%);background-color:#333;color:#fff;padding:4px;border-radius:4px;white-space:nowrap;visibility:hidden;opacity:0;transition:visibility 0s,opacity .3s ease-in-out}.react-datepicker__input-container{position:relative;display:inline-block;width:100%}.react-datepicker__input-container .react-datepicker__calendar-icon{position:absolute;padding:.5rem;box-sizing:content-box}.react-datepicker__view-calendar-icon input{padding:6px 10px 5px 25px}.react-datepicker__year-read-view,.react-datepicker__month-read-view,.react-datepicker__month-year-read-view{border:1px solid transparent;border-radius:.3rem;position:relative}.react-datepicker__year-read-view:hover,.react-datepicker__month-read-view:hover,.react-datepicker__month-year-read-view:hover{cursor:pointer}.react-datepicker__year-read-view:hover .react-datepicker__year-read-view--down-arrow,.react-datepicker__year-read-view:hover .react-datepicker__month-read-view--down-arrow,.react-datepicker__month-read-view:hover .react-datepicker__year-read-view--down-arrow,.react-datepicker__month-read-view:hover .react-datepicker__month-read-view--down-arrow,.react-datepicker__month-year-read-view:hover .react-datepicker__year-read-view--down-arrow,.react-datepicker__month-year-read-view:hover .react-datepicker__month-read-view--down-arrow{border-top-color:#b3b3b3}.react-datepicker__year-read-view--down-arrow,.react-datepicker__month-read-view--down-arrow,.react-datepicker__month-year-read-view--down-arrow{transform:rotate(135deg);right:-16px;top:0}.react-datepicker__year-dropdown,.react-datepicker__month-dropdown,.react-datepicker__month-year-dropdown{background-color:#f0f0f0;position:absolute;width:50%;left:25%;top:30px;z-index:1;text-align:center;border-radius:.3rem;border:1px solid #aeaeae}.react-datepicker__year-dropdown:hover,.react-datepicker__month-dropdown:hover,.react-datepicker__month-year-dropdown:hover{cursor:pointer}.react-datepicker__year-dropdown--scrollable,.react-datepicker__month-dropdown--scrollable,.react-datepicker__month-year-dropdown--scrollable{height:150px;overflow-y:scroll}.react-datepicker__year-option,.react-datepicker__month-option,.react-datepicker__month-year-option{line-height:20px;width:100%;display:block;margin-left:auto;margin-right:auto}.react-datepicker__year-option:first-of-type,.react-datepicker__month-option:first-of-type,.react-datepicker__month-year-option:first-of-type{border-top-left-radius:.3rem;border-top-right-radius:.3rem}.react-datepicker__year-option:last-of-type,.react-datepicker__month-option:last-of-type,.react-datepicker__month-year-option:last-of-type{-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;border-bottom-left-radius:.3rem;border-bottom-right-radius:.3rem}.react-datepicker__year-option:hover,.react-datepicker__month-option:hover,.react-datepicker__month-year-option:hover{background-color:#ccc}.react-datepicker__year-option:hover .react-datepicker__navigation--years-upcoming,.react-datepicker__month-option:hover .react-datepicker__navigation--years-upcoming,.react-datepicker__month-year-option:hover .react-datepicker__navigation--years-upcoming{border-bottom-color:#b3b3b3}.react-datepicker__year-option:hover .react-datepicker__navigation--years-previous,.react-datepicker__month-option:hover .react-datepicker__navigation--years-previous,.react-datepicker__month-year-option:hover .react-datepicker__navigation--years-previous{border-top-color:#b3b3b3}.react-datepicker__year-option--selected,.react-datepicker__month-option--selected,.react-datepicker__month-year-option--selected{position:absolute;left:15px}.react-datepicker__close-icon{cursor:pointer;background-color:transparent;border:0;outline:0;padding:0 6px 0 0;position:absolute;top:0;right:0;height:100%;display:table-cell;vertical-align:middle}.react-datepicker__close-icon:after{cursor:pointer;background-color:#216ba5;color:#fff;border-radius:50%;height:16px;width:16px;padding:2px;font-size:12px;line-height:1;text-align:center;display:table-cell;vertical-align:middle;content:"×"}.react-datepicker__close-icon--disabled{cursor:default}.react-datepicker__close-icon--disabled:after{cursor:default;background-color:#ccc}.react-datepicker__today-button{background:#f0f0f0;border-top:1px solid #aeaeae;cursor:pointer;text-align:center;font-weight:700;padding:5px 0;clear:left}.react-datepicker__portal{position:fixed;width:100vw;height:100vh;background-color:#000c;left:0;top:0;justify-content:center;align-items:center;display:flex;z-index:2147483647}.react-datepicker__portal .react-datepicker__day-name,.react-datepicker__portal .react-datepicker__day,.react-datepicker__portal .react-datepicker__time-name{width:3rem;line-height:3rem}@media (max-width: 400px),(max-height: 550px){.react-datepicker__portal .react-datepicker__day-name,.react-datepicker__portal .react-datepicker__day,.react-datepicker__portal .react-datepicker__time-name{width:2rem;line-height:2rem}}.react-datepicker__portal .react-datepicker__current-month,.react-datepicker__portal .react-datepicker-time__header{font-size:1.44rem}.react-datepicker__children-container{width:13.8rem;margin:.4rem;padding-right:.2rem;padding-left:.2rem;height:auto}.react-datepicker__aria-live{position:absolute;clip-path:circle(0);border:0;height:1px;margin:-1px;overflow:hidden;padding:0;width:1px;white-space:nowrap}.react-datepicker__calendar-icon{width:1em;height:1em;vertical-align:-.125em}.logout-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0000002e;z-index:2000;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:backdrop-filter .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.logout-modal-card{background:#fff;border-radius:20px;box-shadow:0 8px 24px #0000002e;min-width:340px;max-width:95vw;padding:2.5rem 2.5rem 2rem;position:relative;text-align:center;font-family:Poppins,Inter,Arial,sans-serif}.logout-modal-close{position:absolute;top:18px;right:22px;background:none;border:none;font-size:1.6rem;color:#222;cursor:pointer;transition:color .2s}.logout-modal-close:hover{color:#ff4d4f}.logout-modal-title{font-size:2rem;font-weight:700;margin-bottom:.7rem;color:#222;background:#faffd7;display:inline-block;padding:.2em .7em;border-radius:8px}.logout-modal-message{font-size:1.1rem;color:#222;margin-bottom:2rem;margin-top:.5rem}.logout-modal-actions{display:flex;justify-content:center;gap:1.2rem}.logout-modal-logout{background:#ff4d4f;color:#fff;border:none;border-radius:999px;padding:.7em 2.2em;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .2s;box-shadow:0 2px 8px #ff4d4f14}.logout-modal-logout:hover{background:#d9363e}.logout-modal-cancel{background:#111;color:#fff;border:none;border-radius:999px;padding:.7em 2.2em;font-size:1.1rem;font-weight:600;cursor:pointer;transition:background .2s}.logout-modal-cancel:hover{background:#333}.view-modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#00000038;z-index:3000;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);transition:backdrop-filter .2s}.view-modal-card.minimalist{background:#fff;border-radius:18px;box-shadow:0 4px 24px #0000001a;min-width:320px;max-width:350px;width:100%;padding:1.2rem 1.2rem 1.1rem;position:relative;text-align:left;display:flex;flex-direction:column;gap:.5rem;animation:popIn .18s cubic-bezier(.4,2,.6,1) 1}@keyframes popIn{0%{transform:scale(.97);opacity:0}to{transform:scale(1);opacity:1}}.view-modal-close{position:absolute;top:12px;right:16px;background:none;border:none;font-size:1.3rem;color:#222;cursor:pointer;transition:color .2s;z-index:2;opacity:.7}.view-modal-close:hover{color:#ff4d4f;opacity:1}.view-modal-close.big{font-size:2rem;top:10px;right:14px}.view-modal-title.minimalist{font-size:1.15rem;font-weight:700;margin-bottom:.2rem;color:#222;background:#faffd7;display:inline-block;padding:.12em .5em;border-radius:7px;align-self:center;letter-spacing:.01em}.view-modal-content.minimalist{display:flex;flex-direction:row;gap:1.1rem;align-items:flex-start;justify-content:flex-start}.view-modal-avatar.minimalist{width:48px;height:48px;border-radius:50%;background:#f4f6f8;border:none;display:flex;align-items:center;justify-content:center;overflow:hidden;margin-top:.1rem;margin-right:.7rem;box-shadow:0 2px 8px #0000000a}.view-modal-avatar.minimalist img{width:100%;height:100%;object-fit:cover}.view-modal-info.minimalist{display:flex;flex-direction:column;gap:.18rem;font-size:.98rem;flex:1 1 70%;color:#222}.view-label{display:block;font-size:.87em;color:#8a8f98;font-weight:500;margin-bottom:.01em;letter-spacing:.01em}.student-page-container{padding:2rem;max-width:1200px;margin:0 auto;min-height:500px}.student-page-title{margin-top:10px;margin-bottom:10px;font-size:1.35rem}.student-add-btn{width:140px;background:#868e96;color:#fff;border:none;border-radius:2rem;padding:.7rem 0;font-size:1.08rem;font-weight:600;margin-bottom:12px;cursor:pointer;transition:background .2s,box-shadow .2s,transform .15s;display:flex;align-items:center;justify-content:center;box-shadow:none}.student-add-btn:hover:enabled{background:#495057;box-shadow:0 6px #181c22;transform:translateY(-2px) scale(1.02)}.student-add-btn:disabled{background:#d3d6db;color:#adb5bd;cursor:not-allowed;box-shadow:none;transform:none}.student-table-wrapper{margin-top:8px;max-height:56vh;overflow-y:auto;padding:.2rem .2rem .7rem}.student-table{width:100%;border-collapse:separate;border-spacing:0;min-width:700px;font-family:Poppins,Inter,Arial,sans-serif;font-size:1rem;background:transparent}.student-table thead{background:#e9ecef}.student-table th,.student-table td{padding:6px;font-size:.93rem;text-align:left}.student-table th{font-size:.98rem}.student-table td{font-size:.92rem}.student-table tr:last-child td{border-bottom:none}.student-table tbody tr:hover{background:#f4fce3;transition:background .2s}.student-edit-btn,.student-delete-btn,.student-view-btn{margin-right:2px;padding:2px 6px;font-size:1.1rem;width:1.7rem;height:1.7rem;border-radius:4px}.student-edit-btn:last-child,.student-delete-btn:last-child,.student-view-btn:last-child{margin-right:0}.student-edit-btn:hover{background:#e2e6ea;color:#2563eb}.student-delete-btn{background:#ff4d4f;color:#fff;border:none}.student-delete-btn:hover{background:#d9363e}.pagination{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:12px;margin-bottom:0}.pagination-btn{border:none;background:#e5e7eb;color:#222;border-radius:12px;padding:6px 16px;font-weight:500;font-size:1rem;cursor:pointer;transition:background .2s,color .2s;outline:none;margin:0 2px}.pagination-btn:disabled{background:#f3f4f6;color:#aaa;cursor:not-allowed}.pagination-btn.active{background:#222;color:#fff;font-weight:700;box-shadow:0 2px 8px #0001}@media (max-width: 1200px){.student-page-container{padding:1.5rem}.student-table-wrapper{max-height:50vh}.student-table{min-width:650px}}@media (max-width: 900px){.student-page-container{padding:1rem}.student-page-title{font-size:1.2rem;margin-bottom:8px}.student-add-btn{width:120px;font-size:1rem;padding:.6rem 0;margin-bottom:10px}.student-table-wrapper{max-height:45vh;padding:.1rem .1rem .5rem}.student-table{min-width:600px;font-size:.95rem}.student-table th,.student-table td{padding:5px 4px;font-size:.9rem}.student-table th{font-size:.95rem}.pagination{gap:8px;margin-top:10px}.pagination-btn{padding:5px 12px;font-size:.95rem}}@media (max-width: 768px){.student-page-container{padding:.75rem}.student-page-title{font-size:1.1rem;margin-bottom:6px}.student-add-btn{width:100px;font-size:.95rem;padding:.5rem 0;margin-bottom:8px}.student-table-wrapper{max-height:40vh;border-radius:8px;box-shadow:0 2px 8px #0000001a;overflow-x:auto;-webkit-overflow-scrolling:touch}.student-table{min-width:550px;font-size:.9rem}.student-table th,.student-table td{padding:4px 3px;font-size:.85rem}.student-table th{font-size:.9rem}.student-edit-btn,.student-delete-btn,.student-view-btn{width:1.5rem;height:1.5rem;font-size:1rem}.pagination{gap:6px;margin-top:8px;flex-wrap:wrap}.pagination-btn{padding:4px 10px;font-size:.9rem;min-width:36px;min-height:36px}}@media (max-width: 600px){.student-page-container{padding:.5rem}.student-page-title{font-size:1rem;margin-bottom:4px}.student-add-btn{width:90px;font-size:.9rem;padding:.45rem 0;margin-bottom:6px;border-radius:1.5rem}.student-table-wrapper{max-height:35vh;margin-top:4px}.student-table{min-width:500px;font-size:.85rem}.student-table th,.student-table td{padding:3px 2px;font-size:.8rem}.student-table th{font-size:.85rem}.student-edit-btn,.student-delete-btn,.student-view-btn{width:1.3rem;height:1.3rem;font-size:.9rem;margin-right:1px}.pagination{gap:4px;margin-top:6px}.pagination-btn{padding:3px 8px;font-size:.85rem;min-width:32px;min-height:32px}}@media (max-width: 480px){.student-page-container{padding:.25rem}.student-page-title{font-size:.95rem;margin-bottom:3px}.student-add-btn{width:80px;font-size:.85rem;padding:.4rem 0;margin-bottom:4px}.student-table-wrapper{max-height:30vh;margin-top:2px}.student-table{min-width:450px;font-size:.8rem}.student-table th,.student-table td{padding:2px 1px;font-size:.75rem}.student-table th{font-size:.8rem}.student-edit-btn,.student-delete-btn,.student-view-btn{width:1.2rem;height:1.2rem;font-size:.8rem;margin-right:.5px}.pagination{gap:3px;margin-top:4px}.pagination-btn{padding:2px 6px;font-size:.8rem;min-width:28px;min-height:28px}}@media (max-width: 768px){.student-table-wrapper{position:relative}.student-table-wrapper:after{content:"";position:absolute;top:0;right:0;bottom:0;width:20px;background:linear-gradient(to right,transparent,rgba(255,255,255,.8));pointer-events:none;z-index:1}.student-table tbody tr{border-bottom:1px solid #f0f0f0}.student-table tbody tr:last-child{border-bottom:none}}@media (max-width: 768px){.student-add-btn{min-height:44px;min-width:44px}.student-edit-btn,.student-delete-btn,.student-view-btn{min-height:32px;min-width:32px}.pagination-btn{min-height:36px;min-width:36px}}@media (max-width: 768px){.student-search-container{margin:6px 0 2px;max-width:100%}.student-search-container input{font-size:16px!important;padding:6px 0}}@media (max-width: 480px){.student-search-container{margin:4px 0 1px}.student-search-container input{padding:4px 0;font-size:14px!important}}.react-time-picker{display:inline-flex;position:relative}.react-time-picker,.react-time-picker *,.react-time-picker *:before,.react-time-picker *:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}.react-time-picker--disabled{background-color:#f0f0f0;color:#6d6d6d}.react-time-picker__wrapper{display:flex;flex-grow:1;flex-shrink:0;border:thin solid gray}.react-time-picker__inputGroup{min-width:calc((4px * 3) + .54em * 6 + .217em * 2);flex-grow:1;padding:0 2px;box-sizing:content-box}.react-time-picker__inputGroup__divider{padding:1px 0;white-space:pre}.react-time-picker__inputGroup__divider,.react-time-picker__inputGroup__leadingZero{display:inline-block;font:inherit}.react-time-picker__inputGroup__input{min-width:.54em;height:100%;position:relative;padding:0 1px;border:0;background:none;color:currentColor;font:inherit;box-sizing:content-box;-webkit-appearance:textfield;-moz-appearance:textfield;appearance:textfield}.react-time-picker__inputGroup__input::-webkit-outer-spin-button,.react-time-picker__inputGroup__input::-webkit-inner-spin-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;margin:0}.react-time-picker__inputGroup__input:invalid{background:#ff00001a}.react-time-picker__inputGroup__input--hasLeadingZero{margin-left:-.54em;padding-left:calc(1px + .54em)}.react-time-picker__inputGroup__amPm{font:inherit;-webkit-appearance:menulist;-moz-appearance:menulist;appearance:menulist}.react-time-picker__button{border:0;background:transparent;padding:4px 6px}.react-time-picker__button:enabled{cursor:pointer}.react-time-picker__button:enabled:hover .react-time-picker__button__icon,.react-time-picker__button:enabled:focus .react-time-picker__button__icon{stroke:#0078d7}.react-time-picker__button:disabled .react-time-picker__button__icon{stroke:#6d6d6d}.react-time-picker__button svg{display:inherit}.react-time-picker__clock{width:200px;height:200px;max-width:100vw;padding:25px;background-color:#fff;border:thin solid #a0a096;z-index:1}.react-time-picker__clock--closed{display:none}.react-clock{display:block;position:relative}.react-clock,.react-clock *,.react-clock *:before,.react-clock *:after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}.react-clock__face{position:absolute;top:0;bottom:0;left:0;right:0;border:1px solid black;border-radius:50%}.react-clock__hand{position:absolute;top:0;bottom:0;left:50%;right:50%}.react-clock__hand__body{position:absolute;background-color:#000;transform:translate(-50%)}.react-clock__mark{position:absolute;top:0;bottom:0;left:50%;right:50%}.react-clock__mark__body{position:absolute;background-color:#000;transform:translate(-50%)}.react-clock__mark__number{position:absolute;left:-40px;width:80px;text-align:center}.react-clock__second-hand__body{background-color:red}.dashboard-main{flex:1;padding:2.5rem 2rem;background:#f5f7fa;min-height:100vh}.dashboard-title{font-size:2rem;font-weight:800;color:#212529;margin-bottom:2.5rem;letter-spacing:.01em;text-align:left}.dashboard-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2rem;margin-top:1rem}.stat-card{background:#fff;border-radius:16px;box-shadow:0 4px 16px #21252914;padding:2.2rem 1.5rem;text-align:center;border:2px solid #212529;transition:box-shadow .2s,border .2s}.stat-card:hover{box-shadow:0 8px 32px #21252921;border-color:#495057}.stat-card h3{color:#495057;font-size:1.1rem;margin-bottom:1.2rem;font-weight:700;letter-spacing:.01em}.stat-number{font-size:2.7rem;font-weight:800;color:#212529;margin:0}.dashboard-highlight{background:#f4fce3;border-radius:8px;padding:0 .7rem;display:inline-block}.dashboard-header-row{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2.5rem}.dashboard-greeting-time{display:flex;flex-direction:column;align-items:flex-end;gap:.2rem;min-width:180px}.dashboard-greeting{font-size:1.1rem;font-weight:600;color:#212529;background:#f4fce3;border-radius:8px;padding:.2rem .7rem;margin-bottom:.1rem}.dashboard-time{font-size:1.05rem;font-weight:500;color:#495057;background:#fff;border-radius:8px;padding:.1rem .7rem;box-shadow:0 2px 8px #2125290f}.global-header{position:sticky;top:0;background:#fff;padding:1.2rem 2rem .8rem;border-bottom:1px solid #e9ecef;z-index:100;margin-bottom:1.5rem;box-shadow:0 1px 3px #2125290a}.global-greeting-time{display:flex;justify-content:flex-end;align-items:center;gap:.8rem;flex-wrap:wrap}.global-greeting{font-size:1rem;font-weight:600;color:#212529;background:#f8f9fa;border-radius:6px;padding:.4rem .9rem;border:1px solid #dee2e6;box-shadow:0 1px 2px #2125290a}.global-time{font-size:.95rem;font-weight:500;color:#495057;background:#f8f9fa;border-radius:6px;padding:.4rem .9rem;border:1px solid #dee2e6;box-shadow:0 1px 2px #2125290a;font-family:Inter,Courier New,monospace;letter-spacing:.3px}@media (max-width: 1200px){.dashboard-main{padding:2rem 1.5rem}.dashboard-stats{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem}.stat-card{padding:2rem 1.2rem}.stat-number{font-size:2.4rem}}@media (max-width: 900px){.dashboard-main{padding:1.2rem 1rem}.dashboard-title{font-size:1.6rem;margin-bottom:1.5rem}.dashboard-stats{grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem}.stat-card{padding:1.5rem 1rem}.stat-card h3{font-size:1rem;margin-bottom:1rem}.stat-number{font-size:2rem}.dashboard-header-row{flex-direction:column;align-items:stretch;gap:1rem}.dashboard-greeting-time{align-items:flex-start;min-width:unset}.dashboard-greeting,.dashboard-time{font-size:.95rem;padding:.1rem .4rem}.global-header{padding:1rem 1.5rem .6rem}.global-greeting-time{gap:.6rem}.global-greeting,.global-time{font-size:.9rem;padding:.3rem .7rem}}@media (max-width: 768px){.dashboard-main{padding:1rem .75rem}.dashboard-title{font-size:1.4rem;margin-bottom:1.2rem}.dashboard-stats{grid-template-columns:1fr;gap:.75rem}.stat-card{padding:1.2rem .75rem}.stat-card h3{font-size:.95rem;margin-bottom:.8rem}.stat-number{font-size:1.8rem}.dashboard-header-row{gap:.75rem}.dashboard-greeting,.dashboard-time{font-size:.9rem;padding:.1rem .3rem}.global-header{padding:.8rem 1rem .5rem}.global-greeting-time{flex-direction:column;align-items:flex-end;gap:.4rem}.global-greeting,.global-time{font-size:.85rem;padding:.25rem .6rem}}@media (max-width: 600px){.dashboard-main{padding:.75rem .5rem}.dashboard-title{font-size:1.2rem;margin-bottom:1rem}.dashboard-stats{gap:.5rem}.stat-card{padding:1rem .5rem;border-radius:12px}.stat-card h3{font-size:.9rem;margin-bottom:.6rem}.stat-number{font-size:1.6rem}.dashboard-highlight{padding:0 .5rem}.global-header{padding:.6rem .75rem .4rem}.global-greeting-time{gap:.3rem}.global-greeting,.global-time{font-size:.8rem;padding:.2rem .5rem}}@media (max-width: 480px){.dashboard-main{padding:.5rem .25rem}.dashboard-title{font-size:1.1rem;margin-bottom:.75rem}.stat-card{padding:.75rem .5rem}.stat-card h3{font-size:.85rem;margin-bottom:.5rem}.stat-number{font-size:1.4rem}.dashboard-highlight{padding:0 .4rem}.global-header{padding:.5rem .5rem .3rem}.global-greeting,.global-time{font-size:.75rem;padding:.15rem .4rem}}.student-page-container{padding:2rem;max-width:1200px;margin:0 auto;min-height:500px;width:100%}@media (max-width: 1200px){.student-page-container{padding:1.5rem}}@media (max-width: 900px){.student-page-container{padding:1rem}}@media (max-width: 768px){.student-page-container{padding:.75rem}}@media (max-width: 600px){.student-page-container{padding:.5rem}}@media (max-width: 480px){.student-page-container{padding:.25rem}}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/poppins-devanagari-600-normal-STEjXBNN.woff2) format("woff2"),url(/assets/poppins-devanagari-600-normal-ClASKHrr.woff) format("woff");unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+20F0,U+25CC,U+A830-A839,U+A8E0-A8FF,U+11B00-11B09}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/poppins-latin-ext-600-normal-CAhIAdZj.woff2) format("woff2"),url(/assets/poppins-latin-ext-600-normal-Df5ffKXP.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/poppins-latin-600-normal-zEkxB9Mr.woff2) format("woff2"),url(/assets/poppins-latin-600-normal-BJdTmd5m.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/poppins-devanagari-700-normal-O-jipLrW.woff2) format("woff2"),url(/assets/poppins-devanagari-700-normal-fHs-vx92.woff) format("woff");unicode-range:U+0900-097F,U+1CD0-1CF9,U+200C-200D,U+20A8,U+20B9,U+20F0,U+25CC,U+A830-A839,U+A8E0-A8FF,U+11B00-11B09}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/poppins-latin-ext-700-normal-cby-RkWa.woff2) format("woff2"),url(/assets/poppins-latin-ext-700-normal-DctTR6Tg.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Poppins;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/poppins-latin-700-normal-Qrb0O0WB.woff2) format("woff2"),url(/assets/poppins-latin-700-normal-BVuQR_eA.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-ext-400-normal-Dc4VJyIJ.woff2) format("woff2"),url(/assets/inter-cyrillic-ext-400-normal-BE2fNs0E.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-cyrillic-400-normal-BLGc9T1a.woff2) format("woff2"),url(/assets/inter-cyrillic-400-normal-alAqRL36.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-ext-400-normal-Bput3-QP.woff2) format("woff2"),url(/assets/inter-greek-ext-400-normal-XIH6-K3k.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-greek-400-normal-DxZsaF_h.woff2) format("woff2"),url(/assets/inter-greek-400-normal-C3I71FoW.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-vietnamese-400-normal-DMkecbls.woff2) format("woff2"),url(/assets/inter-vietnamese-400-normal-Bbgyi5SW.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-ext-400-normal-C1nco2VV.woff2) format("woff2"),url(/assets/inter-latin-ext-400-normal-77YHD8bZ.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/inter-latin-400-normal-C38fXH4l.woff2) format("woff2"),url(/assets/inter-latin-400-normal-CyCys3Eg.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-cyrillic-ext-500-normal-BShVwWPj.woff2) format("woff2"),url(/assets/inter-cyrillic-ext-500-normal-NrhEyngK.woff) format("woff");unicode-range:U+0460-052F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-cyrillic-500-normal-D4Vwzodn.woff2) format("woff2"),url(/assets/inter-cyrillic-500-normal-BoeW9iIj.woff) format("woff");unicode-range:U+0301,U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-greek-ext-500-normal-B6guLgqG.woff2) format("woff2"),url(/assets/inter-greek-ext-500-normal-1SJLBQ3N.woff) format("woff");unicode-range:U+1F00-1FFF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-greek-500-normal-CeQXL5ds.woff2) format("woff2"),url(/assets/inter-greek-500-normal-CSBZZ4CI.woff) format("woff");unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-vietnamese-500-normal-DOriooB6.woff2) format("woff2"),url(/assets/inter-vietnamese-500-normal-mJboJaSs.woff) format("woff");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-latin-ext-500-normal-CV4jyFjo.woff2) format("woff2"),url(/assets/inter-latin-ext-500-normal-BxGbmqWO.woff) format("woff");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/inter-latin-500-normal-Cerq10X2.woff2) format("woff2"),url(/assets/inter-latin-500-normal-BL9OpVg8.woff) format("woff");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}*,*:before,*:after{box-sizing:border-box}*{margin:0}html,body{height:100%}body{line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;width:100%}img,picture,video,canvas,svg{display:block;max-width:100%}input,button,textarea,select{font:inherit}p,h1,h2,h3,h4,h5,h6{overflow-wrap:break-word}#root,#__next{isolation:isolate}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}html{font-size:16px}@media (max-width: 768px){html{font-size:14px}}@media (max-width: 480px){html{font-size:13px}}.hidden-mobile{display:block}.hidden-desktop{display:none}@media (max-width: 768px){.hidden-mobile{display:none!important}.hidden-desktop{display:block!important}}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 1rem}@media (max-width: 768px){.container{padding:0 .75rem}}@media (max-width: 480px){.container{padding:0 .5rem}}.grid{display:grid;gap:1rem}.grid-1{grid-template-columns:repeat(1,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (max-width: 1024px){.grid-4{grid-template-columns:repeat(3,1fr)}}@media (max-width: 768px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}}@media (max-width: 480px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}.flex{display:flex}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}@media (max-width: 768px){.flex-mobile-col{flex-direction:column!important}.flex-mobile-wrap{flex-wrap:wrap!important}}@media (max-width: 768px){.mobile-p-0{padding:0!important}.mobile-p-1{padding:.25rem!important}.mobile-p-2{padding:.5rem!important}.mobile-p-3{padding:.75rem!important}.mobile-p-4{padding:1rem!important}.mobile-m-0{margin:0!important}.mobile-m-1{margin:.25rem!important}.mobile-m-2{margin:.5rem!important}.mobile-m-3{margin:.75rem!important}.mobile-m-4{margin:1rem!important}}@media (max-width: 768px){button,input[type=button],input[type=submit],input[type=reset],.clickable{min-height:44px;min-width:44px}input,select,textarea{font-size:16px!important}}@media (max-width: 768px){.table-responsive{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:8px;box-shadow:0 2px 8px #0000001a}.table-responsive table{min-width:600px}}@media (max-width: 768px){.modal-responsive{margin:1rem;max-height:calc(100vh - 2rem);overflow-y:auto}}@media (max-width: 768px){.sidebar-mobile-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:99}}
