body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;margin:0}code{font-family:source-code-pro,Menlo,Monaco,Consolas,Courier New,monospace}*{font-family:Pretendard,sans-serif}body{background-color:#f5f7fa;color:#333}.App{margin:0 auto;max-width:1200px;padding:20px;text-align:center}@media (max-width:1024px){.App{padding:15px}}@media (max-width:768px){.App{padding:10px;width:100%}}.loading-container{min-height:100vh}.loading-spinner{animation:spin 1s ease-in-out infinite;border:4px solid #4a90e21a}button{cursor:pointer}button,input,select,textarea{font-family:inherit}a{color:#4a90e2;text-decoration:none}a:hover{text-decoration:underline}.App-logo{height:40vmin;pointer-events:none}@media (prefers-reduced-motion:no-preference){.App-logo{animation:App-logo-spin 20s linear infinite}}.App-header{align-items:center;background-color:#282c34;color:#fff;display:flex;flex-direction:column;font-size:calc(10px + 2vmin);justify-content:center;min-height:100vh}.App-link{color:#61dafb}@keyframes App-logo-spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.login-page{padding:2rem}.login-container,.login-page{align-items:center;background-color:#f5f7fa;display:flex;justify-content:center;min-height:100vh}.login-container{padding:20px}.login-card{background-color:#fff;border-radius:12px;box-shadow:0 10px 40px #00000026;max-width:650px;padding:60px;text-align:center;width:100%}.login-title{color:#4a90e2;font-size:42px;font-weight:700;margin:0}.login-subtitle{color:#666;font-size:20px;margin:12px 0 50px}.login-heading{color:#333;font-size:32px;font-weight:600;margin:0}.login-description{color:#666;font-size:18px;margin:15px 0 45px}.login-form{text-align:left}.form-group{margin-bottom:30px}.form-group label{font-size:18px;margin-bottom:12px}.form-group input{font-size:18px;height:60px;padding:0 20px;transition:border-color .3s}.form-group input:focus{border-color:#4a90e2;box-shadow:0 0 0 2px #4a90e233}.error-message{font-size:16px;margin-bottom:25px}.login-button{background-color:#4a90e2;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:20px;font-weight:500;height:60px;margin-top:15px;transition:background-color .3s;width:100%}.login-button:hover{background-color:#3a80d2}.login-button:disabled{background-color:#a0c4f1;cursor:not-allowed}.login-links{display:flex;justify-content:space-between;margin:45px 0 20px;padding:0 5px}.left-links{text-align:left}.right-links{text-align:right}.login-links a{color:#4a90e2;font-size:18px;text-decoration:none;transition:color .3s}.login-links a:hover{color:#3a80d2;text-decoration:underline}.link-separator{color:#ccc;margin:0 12px}.copyright{color:#999;font-size:16px;margin-bottom:0;margin-top:45px}@media (max-width:768px){.login-page{padding:1rem}.login-card{max-width:500px;padding:40px 30px}.login-title{font-size:36px}.login-subtitle{font-size:18px;margin-bottom:40px}.login-heading{font-size:28px}.login-description{font-size:16px;margin-bottom:35px}.form-group{margin-bottom:25px}.form-group label{font-size:16px;margin-bottom:8px}.form-group input{font-size:16px;height:50px}.login-button{font-size:18px;height:50px}.login-links{margin:35px 0 15px}.login-links a{font-size:16px}.copyright{font-size:14px;margin-top:35px}}@media (max-width:480px){.login-card{max-width:100%;padding:30px 20px}.login-title{font-size:30px}.login-subtitle{font-size:16px;margin-bottom:30px}.login-links{flex-direction:column;gap:15px}.left-links,.right-links{text-align:center}.link-separator{display:none}}.input-container{position:relative;width:100%}.dashboard-sidebar{height:calc(100vh - 60px);position:sticky;top:60px}.sidebar-logo{display:none}.sidebar-nav ul{margin:0;padding:0}.user-school{color:#666;font-size:.8rem}@media (max-width:768px){.dashboard-sidebar{height:auto;padding:1rem 0;position:static;width:100%}.sidebar-nav ul{display:flex;overflow-x:auto;padding-bottom:.5rem}.sidebar-nav li{padding:.5rem 1rem;white-space:nowrap}.sidebar-footer{display:none}}.sidebar-nav .icon-container{align-items:center;display:flex;justify-content:center;margin-right:.5rem;width:24px}.classes-management h2,.courses-management h2,.dashboard-overview h2{color:#333;margin-bottom:1.5rem}.quick-start-section,.recent-classes-section{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;margin-bottom:2rem;padding:1.5rem}.quick-start-section h3,.recent-classes-section h3{color:#444;font-size:1.2rem;margin-bottom:1rem}.course-grid{grid-gap:30px;gap:30px;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));margin-top:20px;width:100%}.course-card{align-items:center;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 4px 8px #0000001a;cursor:pointer;height:160px;justify-content:space-between;overflow:visible;padding:16px;position:relative}.course-card:hover{box-shadow:0 8px 16px #0000001a}.course-card h4{color:#333;margin-bottom:.5rem}.course-card p{color:#666;font-size:.9rem;margin-bottom:1rem}.course-card .course-title{color:#333;font-size:18px;font-weight:600;line-height:1.3;margin:auto 0;max-width:100%;padding:0 10px;text-align:center;word-break:break-word}.course-card .start-class-btn{background-color:#0071e3;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:15px;font-weight:500;margin-bottom:10px;margin-top:auto;max-width:none;padding:10px 20px;transition:all .2s ease;width:auto}.course-card .start-class-btn:hover{background-color:#005bbf}.add-course{background-color:#f0f0f0;border:1px dashed #ccc}.add-icon{color:#999;font-size:2rem;margin-bottom:.5rem}.class-item{background-color:#f9f9f9;border-radius:10px;cursor:pointer;overflow:hidden;position:relative}.class-item:after{background-color:#36c;content:"";height:100%;left:0;opacity:0;position:absolute;top:0;transition:opacity .2s;width:4px}.class-item:hover:after{opacity:1}.class-item:hover{background-color:#f2f7ff;box-shadow:0 6px 12px #00000014;transform:translateY(-3px)}.class-info{gap:.25rem}.class-info h4{margin:0}.class-actions{gap:.5rem}@media (max-width:1200px){.course-management-section .course-grid,.quick-start-section .course-grid{gap:20px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}.course-management-section .course-card,.quick-start-section .course-card{height:170px;padding:15px}.course-management-section .course-title,.quick-start-section .course-title{font-size:18px}.course-management-section .start-class-btn,.quick-start-section .start-class-btn{font-size:14px;padding:8px 15px}.recent-classes-section h3{font-size:1.3rem}.class-item{padding:1rem}.class-info h4{font-size:1rem}.class-date,.class-info p,.class-status,.class-students{font-size:.85rem}.view-record-btn{background-color:#4a90e2!important;border:none!important;color:#fff!important;font-size:.85rem;padding:.4rem .8rem}}@media (max-width:992px){.course-management-section .course-grid,.quick-start-section .course-grid{gap:15px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.course-management-section .course-card,.quick-start-section .course-card{height:160px;padding:12px}.course-management-section .course-title,.quick-start-section .course-title{font-size:16px}.course-management-section .start-class-btn,.quick-start-section .start-class-btn{font-size:13px;padding:7px 12px}.recent-classes-section h3{font-size:1.2rem}.class-item{align-items:flex-start;flex-direction:column;padding:.8rem}.class-actions{justify-content:flex-end;margin-top:.8rem;width:100%}.btn-primary,.btn-secondary{flex:1 1;font-size:.8rem;padding:.4rem .8rem;text-align:center}.modal-container{max-width:450px}.modal-header h3{font-size:18px}.modal-body{padding:15px}.form-group label{font-size:14px}.form-group input{font-size:14px;padding:10px}.modal-footer{padding:10px 15px}.btn-cancel,.btn-submit{font-size:14px;padding:8px 15px}.layout-options{flex-direction:column;gap:10px}.layout-option{padding:10px}.layout-icon{font-size:20px}.layout-label{font-size:14px}.layout-description{font-size:11px}}@media (max-width:768px){.courses-management{padding:20px}.section-header{align-items:flex-start;flex-direction:column;gap:10px;margin-bottom:20px}.section-header h2{font-size:24px}.course-management-section .course-grid,.quick-start-section .course-grid{gap:15px;grid-template-columns:1fr}.course-management-section .course-card,.quick-start-section .course-card{height:auto;min-height:150px}.course-management-section .start-class-btn,.quick-start-section .start-class-btn{max-width:200px;width:80%}.recent-classes-section{padding:1rem}.recent-classes-section h3{font-size:1.1rem}.class-item{padding:.7rem}.class-header{align-items:flex-start;flex-direction:column;gap:5px}.class-info h4{font-size:.95rem}.class-date,.class-info p,.class-status,.class-students{font-size:.8rem}.view-record-btn{background-color:#4a90e2!important;border:none!important;color:#fff!important;font-size:.75rem;padding:.3rem .6rem}.modal-container{max-width:90%}.modal-header h3{font-size:16px}.modal-body{padding:10px}.form-group label{font-size:13px}.form-group input{font-size:13px;padding:8px}.modal-footer{padding:8px 10px}.btn-cancel,.btn-submit{font-size:13px;padding:6px 12px}}@media (max-width:480px){.courses-management{padding:15px}.section-header h2{font-size:20px}.course-management-section .course-card,.quick-start-section .course-card{min-height:120px}.course-management-section .course-title,.quick-start-section .course-title{font-size:14px}.course-management-section .start-class-btn,.quick-start-section .start-class-btn{font-size:12px;max-width:150px;padding:6px 10px;width:90%}.recent-classes-section{padding:.8rem}.recent-classes-section h3{font-size:1rem}.class-item{padding:.6rem}.class-info h4{font-size:.85rem}.class-date,.class-info p,.class-status,.class-students{font-size:.75rem}.view-record-btn{background-color:#4a90e2!important;border:none!important;color:#fff!important;font-size:.7rem;padding:.2rem .5rem}.modal-container{max-width:95%}.modal-header h3{font-size:14px}.modal-body{padding:8px}.form-group label{font-size:12px}.form-group input{font-size:12px;padding:6px}.modal-footer{padding:6px 8px}.btn-cancel,.btn-submit{font-size:12px;padding:5px 10px}}.large-card{border-radius:8px;box-shadow:0 4px 8px #0000001a;display:flex;flex-direction:column;height:180px;justify-content:space-between;margin:10px;padding:20px;transition:transform .3s ease,box-shadow .3s ease;width:250px}.large-card:hover{box-shadow:0 6px 12px #00000026;transform:translateY(-5px)}.large-card h4{font-size:1.5rem;margin-bottom:1rem;text-align:center}.btn-danger{background-color:#dc3545;border:none;border-radius:4px;cursor:pointer;padding:8px 16px;transition:background-color .3s ease}.btn-danger:hover{background-color:#c82333}.course-actions{margin-top:auto}.add-course,.course-actions{display:flex;justify-content:center}.add-course{align-items:center;background-color:#f8f9fa;cursor:pointer;flex-direction:column}.add-icon{color:#6c757d;font-size:2.5rem}.courses-management{max-width:1400px;padding:40px}.section-header{border-bottom:1px solid #0000001a;margin-bottom:40px;padding-bottom:20px}.section-header h2{color:#1d1d1f;font-size:32px;font-weight:600}.loading-container{height:400px}.loading-spinner{border:3px solid #0000001a;border-top-color:#0071e3}.error-container{color:#ff3b30;height:400px}.error-icon{background-color:#ff3b30;font-size:36px;margin-bottom:20px}.empty-state{background-color:#f5f5f7;border-radius:24px;height:500px;padding:60px}.empty-icon{font-size:80px;margin-bottom:30px}.empty-state h3{color:#1d1d1f;font-size:28px;font-weight:600;margin-bottom:15px}.empty-state p{color:#86868b;font-size:18px;line-height:1.5;margin-bottom:40px}.course-header{align-items:center;display:flex;justify-content:center;position:relative;width:100%}.course-title{font-size:26px}.delete-icon-minimal{align-items:center;background-color:initial;border:none;color:#555;cursor:pointer;display:flex;font-size:20px;font-weight:300;height:24px;justify-content:center;line-height:1;opacity:.6;position:absolute;right:15px;top:15px;transition:all .2s ease;width:24px;z-index:2}.delete-icon-minimal:hover{color:#333;opacity:1}.course-card .delete-icon-minimal{opacity:0}.course-card:hover .delete-icon-minimal{opacity:.6}.card-body{padding:40px 30px}.card-footer{border-top:1px solid #0000000d;padding:20px}.btn-delete{background-color:#ff3b30;border-radius:10px;font-size:16px;padding:12px 30px}.btn-delete:hover{background-color:#ff453a;transform:scale(1.02)}.add-card{border:2px dashed #ddd}.add-card:hover{border-color:#0071e3}.add-icon{color:#0071e3;font-size:32px;margin-bottom:10px}.add-card-content p{color:#555;font-size:18px;margin:0}.modal-container{box-shadow:0 5px 15px #0003;width:100%}.modal-header h3{font-size:20px}.modal-close-btn{align-items:center;background:#0000;color:#777;display:flex;height:30px;justify-content:center;padding:0;width:30px}.modal-close-btn:hover{color:#333}.form-group{margin-bottom:15px}.form-group input{border-radius:8px;padding:12px 15px}.form-group input:focus{border-color:#0071e3;box-shadow:0 0 0 2px #0071e333}.modal-error{color:#e53935;font-size:14px;margin-top:10px}.btn-cancel{background-color:#f5f5f5;border:none;border-radius:8px;color:#555;font-size:15px;transition:all .2s}.btn-cancel:hover{background-color:#e0e0e0}.btn-submit{background-color:#0071e3;border-radius:8px;cursor:pointer;font-size:15px;font-weight:500;padding:10px 20px;transition:all .2s}.btn-submit:hover{background-color:#005bbf}.btn-cancel:disabled,.btn-submit:disabled{cursor:not-allowed;opacity:.6}.quick-start-section .course-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));margin-top:20px;width:100%}.quick-start-section .course-card{align-items:center;background-color:#fff;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 4px 8px #0000001a;cursor:pointer;display:flex;flex-direction:column;height:180px;justify-content:space-between;overflow:visible;padding:20px;position:relative;transition:all .3s ease}.quick-start-section .course-card:hover{border-color:silver;box-shadow:0 8px 16px #00000026;transform:translateY(-5px)}.quick-start-section .course-title{color:#333;font-size:20px;font-weight:600;margin:10px 0 20px;text-align:center}.quick-start-section .start-class-btn{background-color:#0071e3;border:none;border-radius:8px;color:#fff;cursor:pointer;font-size:15px;font-weight:500;margin-top:auto;max-width:180px;padding:10px 20px;transition:all .2s ease;width:100%}.quick-start-section .start-class-btn:hover{background-color:#005bbf}.quick-start-section .add-card{background-color:#f5f5f5;border:2px dashed silver}.quick-start-section .add-card:hover{background-color:#f0f7ff;border-color:#0071e3}.quick-start-section .add-card-content{align-items:center;display:flex;flex-direction:column;height:100%;justify-content:center}.quick-start-section .add-icon{color:#0071e3;font-size:32px;margin-bottom:15px}.quick-start-section .add-card-content p{color:#555;font-size:17px;font-weight:500;margin:0}.quick-start-section .delete-icon-minimal{align-items:center;background-color:initial;border:none;color:#555;cursor:pointer;display:flex;font-size:20px;font-weight:300;height:24px;justify-content:center;line-height:1;opacity:0;position:absolute;right:10px;top:10px;transition:all .2s ease;width:24px;z-index:2}.quick-start-section .course-card:hover .delete-icon-minimal{opacity:.6}.quick-start-section .delete-icon-minimal:hover{color:#333;opacity:1}.course-management-section{margin-bottom:40px}.course-management-section .section-header{margin-bottom:20px}.course-management-section h3{color:#333;font-size:24px;font-weight:600;margin:0}.course-management-section .course-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));width:100%}.course-management-section .course-card{align-items:center;background-color:#fff;border:1px solid #e0e0e0;border-radius:12px;box-shadow:0 4px 8px #0000001a;cursor:pointer;display:flex;flex-direction:column;height:180px;justify-content:space-between;overflow:visible;padding:20px;position:relative;transition:all .3s ease}.course-management-section .course-card:hover{border-color:silver;box-shadow:0 8px 16px #00000026;transform:translateY(-5px)}.disabled-input{background-color:#f5f5f5;border:1px solid #ddd;color:#666;cursor:not-allowed}.form-group small{color:#666;display:block;font-size:12px;margin-top:5px}.layout-options{display:flex;gap:15px;margin-top:10px}.layout-option{align-items:center;border:1px solid #ddd;border-radius:8px;cursor:pointer;display:flex;flex:1 1;flex-direction:column;padding:15px;transition:all .2s ease}.layout-option:hover{background-color:#f5f9ff;border-color:#0071e3}.layout-option.selected{background-color:#f0f7ff;border-color:#0071e3;box-shadow:0 0 0 2px #0071e333}.layout-icon{font-size:24px;margin-bottom:10px}.layout-label{font-weight:600;margin-bottom:5px}.layout-description{color:#666;font-size:12px;text-align:center}.recent-classes-section{background-color:#fff;border-radius:12px;box-shadow:0 2px 10px #00000014;margin-bottom:2rem;padding:1.5rem}.recent-classes-section h3{border-bottom:1px solid #eee;color:#333;font-size:1.4rem;margin-bottom:1.5rem;padding-bottom:.5rem}.class-header{align-items:center;display:flex;gap:10px;margin-bottom:8px}.class-code{min-width:fit-content}.class-header h4{color:#333;flex:1 1;font-size:1.1rem;margin:0}.class-date{align-items:center;color:#666;display:flex;font-size:.9rem;margin:0}.class-date:before{content:"🕒";font-size:.9rem;margin-right:.5rem}.class-students{align-items:center;color:#666;display:flex;font-size:.9rem;margin:0}.class-students:before{content:"📋";font-size:.9rem;margin-right:.5rem}.view-record-btn{background-color:#4a90e2!important;border:none!important;border-radius:6px;color:#fff!important;font-size:.95rem;font-weight:500;padding:.5rem 1rem;transition:all .2s;white-space:nowrap}.view-record-btn:hover{background-color:#3a80d2!important;transform:translateX(3px)}.class-status{align-items:center;color:#666;display:flex;font-size:.9rem;margin:0}.class-status:before{content:"🔄";font-size:.9rem;margin-right:.5rem}.class-status .status-ended{color:#e53935;font-weight:500}.class-status .status-active{color:#43a047;font-weight:500}.pagination-container{align-items:center;display:flex;gap:5px;justify-content:center;margin:20px 0;padding:10px 0}.pagination-nav{background-color:#f8f8f8;border:1px solid #e0e0e0;border-radius:4px;color:#555;cursor:pointer;font-size:14px;padding:5px 12px;transition:all .2s ease}.pagination-nav:hover:not(:disabled){background-color:#e0e0e0}.pagination-nav:disabled{cursor:not-allowed;opacity:.5}.pagination-number{align-items:center;background-color:initial;border:none;border-radius:4px;cursor:pointer;display:flex;font-size:14px;height:32px;justify-content:center;min-width:32px;transition:all .2s ease}.pagination-number:hover:not(.active){background-color:#f0f0f0}.pagination-number.active{background-color:#36c;color:#fff;font-weight:700}.pagination-info{display:none}.classes-history h2,.dashboard-overview h2{color:#333;margin-bottom:1.5rem}.active-classes-section,.join-class-section,.recent-classes-section{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;margin-bottom:2rem;padding:1.5rem}.active-classes-section h3,.join-class-section h3,.recent-classes-section h3{color:#444;font-size:1.2rem;margin-bottom:1rem}.join-class-form{gap:1rem;max-width:500px}.form-group,.join-class-form{display:flex;flex-direction:column}.form-group{gap:.5rem}.error-message,.form-group label{font-size:.9rem}.error-message,.join-button{margin-top:.5rem}.join-button{align-self:flex-start;background-color:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:1rem;padding:.75rem 1rem;transition:background-color .2s}.join-button:hover{background-color:#3a80d2}.class-item{border:1px solid #ddd}.class-item:hover{box-shadow:0 4px 8px #0000000d}.class-item.active{border-left:4px solid #4caf50}.class-info{flex-grow:1}.class-info h4{font-size:18px;margin:8px 0}.class-info p{margin:0}.active-indicator{height:10px;margin-right:.5rem;width:10px}.btn-primary,.btn-secondary{padding:.5rem 1rem}.btn-secondary{background-color:initial;border:1px solid #4a90e2;border-radius:4px;color:#4a90e2;cursor:pointer;transition:all .2s}.btn-secondary:hover{background-color:#4a90e21a}.code-label{font-weight:500;margin-bottom:4px}@media (max-width:1024px){.active-classes-section,.join-class-section,.recent-classes-section{padding:1.2rem}.active-classes-section h3,.join-class-section h3,.recent-classes-section h3{font-size:1.1rem}.join-class-form{max-width:400px}.form-group input{font-size:.95rem;padding:.6rem}.join-button{font-size:.95rem;padding:.6rem 1rem}.class-item{padding:12px}.class-info h4{font-size:16px}.class-info p,.code-label{font-size:.85rem}.btn-primary,.btn-secondary{font-size:.85rem;padding:.4rem .8rem}.section-title h3{font-size:17px}.search-input{font-size:13px;padding:7px 10px;width:180px}.search-button{font-size:14px;padding:4px 6px}}@media (max-width:768px){.active-classes-section,.join-class-section,.recent-classes-section{padding:1rem}.active-classes-section h3,.join-class-section h3,.recent-classes-section h3{font-size:1rem}.join-class-form{max-width:100%}.form-group input{font-size:.9rem;padding:.5rem}.join-button{font-size:.9rem;padding:.5rem .8rem;text-align:center;width:100%}.class-item{align-items:flex-start;flex-direction:column;gap:.8rem;padding:10px}.class-actions{display:flex;gap:.5rem;justify-content:flex-end;width:100%}.btn-primary,.btn-secondary{flex:1 1;font-size:.8rem;padding:.3rem .6rem;text-align:center}.section-header{align-items:flex-start;flex-direction:column;gap:10px}.section-title h3{font-size:16px}.search-container,.search-input{width:100%}}@media (max-width:480px){.active-classes-section,.join-class-section,.recent-classes-section{padding:.8rem}.active-classes-section h3,.join-class-section h3,.recent-classes-section h3{font-size:.9rem}.form-group input{font-size:.85rem;padding:.4rem}.join-button{font-size:.85rem;padding:.4rem .6rem}.class-item{padding:8px}.class-info h4{font-size:14px}.class-info p,.code-label{font-size:.75rem}.btn-primary,.btn-secondary{font-size:.75rem;padding:.2rem .4rem}.section-title h3{font-size:14px}.search-button,.search-input{font-size:12px}}.section-container{background-color:#fff;border-radius:8px;box-shadow:0 1px 3px #0000001a;margin-bottom:20px;padding:20px}.section-header{border-bottom:1px solid #eee;margin-bottom:15px}.section-title h3{color:#333;font-size:18px;font-weight:600;margin:0}.search-container{align-items:center;display:flex;margin:0;position:relative}.search-input{border:1px solid #ddd;border-radius:4px;font-size:14px;padding:8px 40px 8px 12px;transition:all .2s ease;width:200px}.search-input:focus{border-color:#4a76a8;box-shadow:0 0 0 2px #4a76a833;outline:none}.search-button{align-items:center;background:none;border:none;border-radius:4px;cursor:pointer;display:flex;font-size:16px;justify-content:center;padding:5px 8px;position:absolute;right:5px;top:50%;transform:translateY(-50%);transition:background-color .2s}.search-button:hover{background-color:#0000000d}.no-classes-message{color:#666;font-style:italic;padding:20px;text-align:center}.class-list{margin-top:15px}.class-item{border:1px solid #eee;margin-bottom:10px;padding:15px;transition:all .2s ease}.class-item:hover{background-color:#f9f9f9;border-color:#ddd}.active-indicator{background-color:#4caf50;border-radius:50%;display:inline-block;height:8px;margin-right:10px;width:8px}.code-label{color:#666;font-size:14px;margin-bottom:5px}.class-info h4{font-size:16px;margin:5px 0}.btn-primary{background-color:#4a76a8;padding:8px 15px;transition:background-color .2s}.btn-primary:hover{background-color:#3a5a80}.loading-container{background-color:#fffc;width:100%}.loading-spinner{border:5px solid #f3f3f3;border-top-color:#4a90e2;height:50px;margin-bottom:1rem;width:50px}.loading-container p{color:#666;font-size:1rem}*{box-sizing:border-box;margin:0;padding:0}.dashboard-container{background-color:#f5f7fa;display:flex;flex-direction:column;min-height:100vh}.dashboard-header{align-items:center;background-color:#fff;border-bottom:1px solid #e0e0e0;box-shadow:0 2px 4px #0000000d;display:flex;height:60px;justify-content:space-between;left:0;padding:.75rem 2rem;position:fixed;right:0;top:0;z-index:1000}.header-logo{color:#4a90e2;font-size:1.5rem;font-weight:700}.header-user{align-items:center;display:flex;gap:1rem}.logout-button{background-color:initial;border:1px solid #ddd;border-radius:4px;color:#666;cursor:pointer;font-size:.9rem;padding:.4rem 1rem;transition:all .2s}.logout-button:hover{background-color:#f5f5f5;color:#333}.dashboard-content{display:flex;flex:1 1;margin-top:60px}.dashboard-sidebar{background-color:#f0f4f9;border-right:1px solid #e0e0e0;display:flex;flex-direction:column;padding:1.5rem 0;width:250px}.sidebar-logo{border-bottom:2px solid #333;color:#4a90e2;margin-bottom:.5rem;padding:0 1.5rem 1rem}.sidebar-nav ul{list-style:none}.sidebar-nav li{align-items:center;color:#666;cursor:pointer;display:flex;gap:.75rem;padding:.75rem 1.5rem;transition:all .2s}.sidebar-nav li:hover{background-color:#4a90e21a;color:#4a90e2}.sidebar-nav li.active{background-color:#4a90e226;border-left:3px solid #4a90e2;color:#4a90e2;font-weight:500}.sidebar-footer{border-top:1px solid #e0e0e0;margin-top:auto;padding:1.5rem}.user-info{display:flex;flex-direction:column;gap:.25rem}.user-role{color:#888;font-size:.8rem}.user-name{color:#333;font-weight:500}.dashboard-main{flex:1 1;overflow-y:auto;padding:2rem}.class-tabs{border-bottom:1px solid #e0e0e0;display:flex;margin-bottom:2rem}.class-tabs button{background:none;border:none;color:#666;cursor:pointer;font-size:1rem;padding:.75rem 1.5rem;position:relative;transition:all .2s}.class-tabs button:hover{color:#4a90e2}.class-tabs button.tab-active{color:#4a90e2;font-weight:500}.class-tabs button.tab-active:after{background-color:#4a90e2;bottom:-1px;content:"";height:3px;left:0;position:absolute;width:100%}.class-list{display:flex;flex-direction:column;gap:1rem}.class-list h3{color:#333;font-size:1.2rem;margin-bottom:1rem}.class-item{align-items:center;background-color:#fff;border-radius:8px;box-shadow:0 2px 4px #0000000d;display:flex;justify-content:space-between;padding:1.25rem;transition:all .2s}.class-item:hover{box-shadow:0 4px 8px #0000001a;transform:translateY(-2px)}.class-info h4{color:#333;font-size:1.1rem;margin-bottom:.5rem}.class-info p{color:#666;font-size:.9rem}.btn-primary,.btn-secondary{border:none;border-radius:4px;cursor:pointer;font-size:.9rem;padding:.5rem 1rem;transition:all .2s}.btn-primary{background-color:#4a90e2}.btn-primary:hover{background-color:#3a80d2}.btn-secondary{background-color:#f0f0f0;color:#666}.btn-secondary:hover{background-color:#e0e0e0;color:#333}.new-class h3{color:#333;font-size:1.2rem;margin-bottom:1.5rem}.form-group label{font-size:.95rem}.form-control{border:1px solid #ddd;border-radius:6px;font-size:1rem;padding:.75rem;transition:all .2s;width:100%}.form-control:focus{border-color:#4a90e2;box-shadow:0 0 0 3px #4a90e21a;outline:none}.language-options,.peer-options,.qa-options{display:flex;flex-wrap:wrap;gap:1.5rem}.language-option,.peer-option,.qa-option{align-items:center;cursor:pointer;display:flex;gap:.5rem}.create-class-btn{background-color:#4a90e2;border:none;border-radius:6px;color:#fff;cursor:pointer;font-size:1rem;font-weight:500;margin-top:1rem;padding:1rem;transition:all .2s;width:100%}.create-class-btn:hover{background-color:#3a80d2}.class-info-text{color:#666;font-size:.9rem;margin-top:1rem;text-align:center}@media (max-width:992px){.dashboard-content{flex-direction:column}.dashboard-sidebar{border-bottom:1px solid #e0e0e0;border-right:none;padding:1rem 0;width:100%}.sidebar-nav ul{-webkit-overflow-scrolling:touch;display:flex;overflow-x:auto;padding-bottom:10px}.sidebar-nav li{flex-shrink:0;padding:.5rem 1rem;white-space:nowrap}.sidebar-footer{display:none}.dashboard-header{padding:.75rem 1.5rem}}@media (max-width:768px){.dashboard-main{padding:1.5rem}.class-item{align-items:flex-start;flex-direction:column;gap:1rem}.class-actions{justify-content:space-between;width:100%}.dashboard-header .header-user{gap:.5rem}}@media (max-width:576px){.dashboard-header{padding:.75rem 1rem}.header-user span{display:none}.class-tabs button{font-size:.85rem;padding:.75rem}.language-options,.peer-options,.qa-options{flex-direction:column;gap:.75rem}.btn-primary,.btn-secondary{text-align:center;width:100%}.class-actions{flex-direction:column;gap:.5rem}.form-group{margin-bottom:1rem}.form-control{font-size:.9rem;padding:.6rem}.create-class-btn{font-size:.95rem;padding:.8rem}}.courses-management{margin:0 auto;max-width:1200px;padding:20px}.section-header{align-items:center;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;margin-bottom:30px;padding-bottom:15px}.section-header h2{color:#333;font-size:24px;margin:0}.btn-add-new{background-color:#4285f4;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:500;padding:10px 20px;transition:all .3s ease}.btn-add-new:hover{background-color:#3367d6}.loading-container{height:300px}.loading-spinner{margin-bottom:20px}.error-container{color:#ea4335;height:300px}.error-container i{font-size:48px;margin-bottom:20px}.empty-state{align-items:center;background-color:#f8f9fa;border-radius:8px;display:flex;flex-direction:column;height:400px;justify-content:center;padding:40px;text-align:center}.empty-icon{font-size:64px;margin-bottom:20px}.empty-state h3{color:#333;font-size:24px;margin-bottom:10px}.empty-state p{color:#666;margin-bottom:30px}.course-grid{grid-gap:25px;display:grid;gap:25px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.course-card{background-color:#fff;border-radius:8px;box-shadow:0 2px 10px #00000014;display:flex;flex-direction:column;height:180px;overflow:hidden;transition:all .3s ease}.course-card:hover{box-shadow:0 5px 15px #0000001a;transform:translateY(-5px)}.card-body{align-items:center;display:flex;flex-direction:column;flex-grow:1;justify-content:center;padding:25px}.course-title{color:#333;font-size:20px;font-weight:600;margin:0;text-align:center}.card-footer{border-top:1px solid #f0f0f0;display:flex;justify-content:center;padding:15px}.btn-delete{background-color:#ea4335;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:500;padding:8px 20px;transition:all .3s ease;width:100%}.btn-delete:hover{background-color:#d62516}.add-card{align-items:center;background-color:#f9f9f9;border:2px dashed #ccc;cursor:pointer;display:flex;justify-content:center;transition:all .3s ease}.add-card:hover{background-color:#f0f7ff;border-color:#4285f4}.add-card-content{align-items:center;display:flex;flex-direction:column;justify-content:center;padding:30px}.add-icon{color:#4285f4;font-size:40px;margin-bottom:15px}.add-card p{color:#666;font-weight:500}.btn-primary{border-radius:4px;transition:all .3s ease}.admin-button{background-color:#4a5568;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:14px;margin-right:10px;padding:8px 16px;transition:background-color .2s}.admin-button:hover{background-color:#2d3748}.classroom-container{background-color:#f5f7fa;color:#333;display:flex;flex-direction:column;font-family:Noto Sans KR,sans-serif;height:100vh;overflow:hidden;width:100vw}.classroom-header{align-items:center;background-color:#fff;box-shadow:0 2px 4px #0000000d;display:flex;justify-content:space-between;padding:15px 25px;z-index:10}.class-info{display:flex;flex-direction:column;gap:5px}.class-info h1{color:#333;max-width:600px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.class-code{align-items:center;background-color:#fff;color:#666;display:flex;font-size:.9rem;gap:5px}.class-subtitle{color:#888;font-size:.8rem}.header-controls{align-items:center;display:flex;gap:15px}.btn-class-toggle{border:none;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:600;padding:10px 20px;transition:all .2s ease}.btn-start-class{background-color:#4caf50;color:#fff}.btn-start-class:hover{background-color:#3e8e41}.btn-end-class{background-color:#f44336;color:#fff}.btn-end-class:hover{background-color:#d32f2f}.btn-exit-class{background-color:#ff9800;color:#fff}.btn-exit-class:hover{background-color:#f57c00}.btn-class-toggle:disabled{cursor:not-allowed;opacity:.7}.btn-class-toggle:disabled,.btn-class-toggle:disabled:hover{background-color:#ccc!important}.classroom-main{flex:1 1;flex-direction:column;height:calc(100vh - 120px);padding:20px}.classroom-content,.classroom-main{display:flex;overflow:hidden;width:100%}.classroom-content{flex:1 1;gap:20px;height:100%;margin-bottom:20px}.file-viewer-panel,.translation-panel{background-color:#fff;border-radius:12px;box-shadow:0 4px 6px #0000000d;display:flex;flex:1 1;flex-direction:column;height:100%;min-width:0;overflow:hidden;width:50%}.translation-section{display:flex;flex:0 0 50%;height:100%;max-width:50%}.panel-header{align-items:center;background-color:#f8f9fa;border-bottom:1px solid #eee;display:flex;justify-content:space-between;padding:15px 20px}.panel-header h2{color:#333;font-size:1.1rem;font-weight:600;margin:0}.file-container{position:relative}.file-container,.file-preview{display:flex;flex:1 1;flex-direction:column;overflow:hidden}.document-viewer,.pdf-viewer{border:none;height:100%;width:100%}.file-info{align-items:center;display:flex;flex-direction:column;gap:15px;height:100%;justify-content:center;padding:30px;text-align:center}.file-icon{color:#666;font-size:3rem}.file-name{color:#333;font-size:1rem;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-type{color:#666;font-size:.8rem;margin-bottom:10px}.file-download-btn{background-color:#4285f4;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;padding:8px 16px;text-decoration:none;transition:background-color .2s}.file-download-btn:hover{background-color:#3367d6}.file-placeholder{align-items:center;display:flex;flex-direction:column;gap:15px;height:100%;justify-content:center;padding:20px;text-align:center}.file-placeholder p{color:#666;margin:0}.file-formats{color:#888;font-size:.8rem}.btn-file-select,.btn-file-select-large{background-color:#4285f4;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;padding:8px 16px;transition:background-color .2s}.btn-file-select-large:hover,.btn-file-select:hover{background-color:#3367d6}.btn-file-select-large{font-size:1rem;margin-top:10px;padding:12px 24px}.language-selector select{background-color:#fff;border:1px solid #ddd;border-radius:4px;color:#333;cursor:pointer;font-size:.9rem;min-width:120px;outline:none;padding:8px 12px;transition:border-color .2s}.language-selector select:focus{border-color:#4285f4;box-shadow:0 0 0 2px #4285f41a}.translation-container{flex:1 1;overflow-y:auto;padding:15px}.translation-content{gap:15px}.translation-placeholder{align-items:center;color:#888;display:flex;flex-direction:column;height:100%;justify-content:center;text-align:center}.translation-item{background-color:#f9f9f9;box-shadow:0 1px 3px #0000000d;padding:15px}.original-text,.translated-text{margin-bottom:10px}.text-label{color:#666;font-size:.8rem;font-weight:600;margin-bottom:5px;text-transform:uppercase}.original-text p,.translated-text p{background-color:#fff;border-left:3px solid #4285f4;border-radius:4px;font-size:.95rem;line-height:1.5;margin:0;padding:10px}.translation-time{color:#888;font-size:.8rem;margin-top:5px;text-align:right}.classroom-controls{align-items:center;background-color:#fff;border-top:1px solid #eee;box-shadow:0 -2px 4px #00000008;display:flex;justify-content:center;padding:15px 0}.control-buttons{display:flex;gap:15px}.btn-control{background-color:#f8f9fa;border:1px solid #ddd;border-radius:6px;color:#333;cursor:pointer;font-size:.9rem;font-weight:500;padding:10px 20px;position:relative;transition:all .2s ease}.btn-control:hover{background-color:#eee;border-color:#ccc}.modal-overlay{-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal-container{-ms-overflow-style:-ms-autohiding-scrollbar;scrollbar-width:thin}.modal-body,.modal-container{-webkit-overflow-scrolling:touch;overflow-x:hidden}.help-content h4{color:#333;font-size:1.1rem;font-weight:600;margin-bottom:15px;margin-top:0}.help-steps{margin:0;padding-left:20px}.help-steps li{margin-bottom:15px}.help-steps strong{color:#333;display:block;margin-bottom:5px}.help-steps p{color:#666;line-height:1.5;margin:0}.settings-section{margin-bottom:20px}.settings-section h4{color:#333;font-size:1rem;font-weight:600;margin-bottom:10px;margin-top:0}.settings-section p{color:#666;line-height:1.5;margin:0 0 10px}.language-checkboxes{display:flex;flex-direction:column;margin-top:10px}.microphone-settings{display:flex;flex-direction:column;gap:15px}.microphone-selector{margin-bottom:15px}.microphone-selector select{border:1px solid #ddd;border-radius:4px;color:#333;font-size:.95rem;padding:10px;width:100%}.no-devices-message{color:#f44336;font-size:.9rem;margin:10px 0}.btn-refresh-microphones{align-self:flex-start;background-color:#f8f9fa;border:1px solid #ddd;border-radius:4px;color:#333;cursor:pointer;font-size:.9rem;margin-bottom:15px;padding:8px 16px;transition:all .2s ease}.btn-refresh-microphones:hover{background-color:#eee}.microphone-test{background-color:#f9f9f9;border:1px solid #eee;border-radius:8px;margin-top:10px;padding:15px}.microphone-test h4{font-size:.95rem;font-weight:600;margin-bottom:10px;margin-top:0}.microphone-level-container{align-items:center;display:flex;gap:10px;margin-bottom:15px}.microphone-level-indicator{background-color:#eee;border-radius:5px;flex:1 1;height:10px;overflow:hidden}.level-bar{background-color:#4caf50;border-radius:5px;height:100%;transition:width .1s ease}.microphone-level-value{color:#666;font-size:.85rem;min-width:40px;text-align:right}.btn-mic-test{background-color:#4285f4;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;font-weight:500;margin-bottom:10px;padding:8px 16px;transition:all .2s ease;width:100%}.btn-mic-test:hover{background-color:#3367d6}.btn-mic-test.testing{animation:pulse 1.5s infinite;background-color:#f44336}.btn-mic-test.testing:hover{background-color:#d32f2f}.microphone-test-instruction{color:#666;font-size:.85rem;margin:5px 0 0;text-align:center}.btn-primary{background-color:#4285f4;border:none;border-radius:6px;cursor:pointer;font-size:.9rem;font-weight:500;padding:10px 20px;transition:all .2s ease}.btn-primary:hover{background-color:#3367d6}.btn-cancel{border:1px solid #ddd;border-radius:6px;color:#333;cursor:pointer;font-size:.9rem;font-weight:500;padding:10px 20px;transition:all .2s ease}.btn-cancel:hover{background-color:#eee}.loading-container{gap:20px;height:100vh}.loading-spinner{border:4px solid #0000001a;border-top-color:#4285f4;height:40px;width:40px}.error-container{gap:20px;height:100vh;padding:0 20px}.error-icon{align-items:center;background-color:#f44336;border-radius:50%;color:#fff;display:flex;font-size:2rem;font-weight:700;height:60px;justify-content:center;width:60px}.error-message{color:#333;font-size:1.1rem;max-width:500px}@media (max-width:1024px){.classroom-header{flex-wrap:wrap;gap:10px;padding:10px 20px}.class-info h1{font-size:1.3rem}.header-controls{flex-wrap:wrap;gap:10px}.btn-class-toggle{font-size:.85rem;padding:8px 15px}.classroom-main{padding:15px}.panel-header h2{font-size:1rem}.language-selector select{font-size:.85rem;min-width:100px}.translation-item{padding:12px}.original-text p,.translated-text p{font-size:.9rem}.btn-control{font-size:.85rem;padding:8px 15px}}@media (max-width:768px){.classroom-header{align-items:flex-start;flex-direction:column;gap:10px;padding:10px 15px}.class-info h1{font-size:1.2rem;max-width:100%}.header-controls{gap:10px;justify-content:space-around;width:100%}.btn-class-toggle{flex:1 1;font-size:.8rem;padding:10px}.file-info{padding:20px}.file-icon{font-size:2.5rem}.file-name{font-size:.9rem}.btn-file-select,.btn-file-select-large,.file-download-btn{font-size:.85rem;padding:10px 15px}.btn-file-select-large{font-size:.9rem;padding:10px 20px}.translation-container,.translation-item{padding:10px}.original-text p,.translated-text p{font-size:.85rem;padding:8px}.classroom-controls{padding:10px}.control-buttons{flex-wrap:wrap;gap:10px;justify-content:center}.btn-control{flex:1 1 auto;font-size:.8rem;min-width:120px;padding:10px}.modal-container{max-width:400px;width:95%}.modal-header h3{font-size:1.1rem}.modal-body{padding:15px}.modal-footer{padding:10px 15px}.btn-cancel,.btn-primary{font-size:.85rem;padding:8px 15px}.question-textarea{font-size:.9rem;padding:10px}.questions-modal{max-width:95%}.question-item{padding:12px}.question-header{align-items:flex-start;flex-direction:column;gap:5px}.answer-textarea,.question-text{font-size:.9rem;padding:8px}.btn-submit-answer{font-size:.85rem;padding:8px 12px}}@media (max-width:480px){.modal-overlay{align-items:flex-start;padding:20px 10px}.classroom-header{padding:8px 10px}.class-info h1{font-size:1rem}.class-code{font-size:.8rem}.btn-class-toggle{font-size:.75rem;padding:8px}.classroom-main{height:auto!important;overflow:auto!important;padding:10px}.classroom-content{flex-direction:column;gap:15px;height:auto!important}.file-viewer-panel,.translation-section{flex:none;height:350px!important;max-width:100%!important;min-height:350px!important;overflow:hidden!important;width:100%!important}.translation-section,.translation-section .translations-panel{height:500px!important;min-height:500px!important}.translation-section .panel-content{height:auto!important;max-height:none!important;overflow:visible!important}.panel-header{padding:10px 15px}.panel-header h2{font-size:.9rem}.file-info{padding:15px}.file-icon{font-size:2rem}.file-name{font-size:.8rem}.btn-file-select,.btn-file-select-large,.file-download-btn{font-size:.8rem;padding:8px 12px}.translation-container,.translation-item{padding:8px}.original-text p,.translated-text p{font-size:.8rem;padding:6px}.control-buttons{gap:8px}.btn-control{font-size:.75rem;min-width:0;min-width:auto;padding:8px}.modal-container{max-height:85vh;max-width:95%}.modal-header h3{font-size:1rem}.modal-body{padding:10px}.modal-footer{padding:8px 10px}.btn-cancel,.btn-primary{font-size:.8rem;padding:6px 12px}.question-textarea{font-size:.85rem;padding:8px}.question-item{padding:10px}.answer-textarea,.question-text{font-size:.85rem}.btn-submit-answer{font-size:.8rem;padding:6px 10px}}.translation-controls{align-items:flex-start;background-color:#f0f0f0;border-radius:8px;display:flex;flex-direction:column;margin-top:10px;padding:10px}.translation-start-button,.translation-stop-button{border:none;border-radius:4px;cursor:pointer;font-weight:700;padding:8px 16px;transition:background-color .3s}.translation-start-button{background-color:#4caf50;color:#fff}.translation-start-button:hover{background-color:#45a049}.translation-start-button:disabled{background-color:#ccc;cursor:not-allowed}.translation-stop-button{background-color:#f44336;color:#fff}.translation-stop-button:hover{background-color:#d32f2f}.connection-status{display:flex;gap:10px;margin-top:10px}.status-indicator{border-radius:4px;font-size:12px;padding:4px 8px}.status-indicator.connected{background-color:#4caf50;color:#fff}.status-indicator.disconnected{background-color:#f44336;color:#fff}.connection-error{color:#f44336;font-size:14px;margin-top:10px}.btn-translation-toggle{border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:700;padding:10px 15px;transition:background-color .3s}.btn-translation-start{background-color:#27ae60}.btn-translation-start:hover{background-color:#219d54}.btn-translation-stop{background-color:#e74c3c}.btn-translation-stop:hover{background-color:#d62c1a}.question-form{gap:10px}.question-textarea{border-radius:4px;font-size:.95rem;transition:border-color .2s}.question-textarea:focus{border-color:#4285f4;box-shadow:0 0 0 2px #4285f41a}.question-instruction{color:#888;text-align:right}.questions-modal{max-width:700px;width:90%}.questions-loading{align-items:center;color:#666;display:flex;flex-direction:column;padding:20px;text-align:center}.loading-spinner.small{border-width:3px;height:24px;margin-bottom:10px;width:24px}.questions-error{background-color:#ffebee;border-radius:4px;color:#b71c1c;margin-bottom:10px;padding:15px;text-align:center}.btn-retry{background-color:#f44336;padding:6px 12px}.no-questions{color:#666;font-style:italic;padding:30px;text-align:center}.questions-list{display:flex;flex-direction:column;gap:15px;max-height:60vh;overflow-y:auto;padding:5px}.question-item{background-color:#fff;border:1px solid #eee;border-radius:8px;box-shadow:0 1px 3px #0000000d}.question-header{font-size:.9rem;margin-bottom:10px}.question-time{color:#888}.question-text{background-color:#f9f9f9;border-radius:4px;margin-bottom:10px;padding:10px}.question-answer{background-color:#e8f5e9;border-left:3px solid #4caf50;border-radius:4px;margin-top:15px;padding:10px}.answer-label{color:#2e7d32;font-weight:600;margin-bottom:5px}.answer-text{color:#333;line-height:1.5}.answer-form{display:flex;flex-direction:column;gap:10px;margin-top:15px}.answer-textarea{border:1px solid #ddd;border-radius:4px;font-family:inherit;min-height:60px;padding:10px;resize:vertical;width:100%}.btn-submit-answer{align-self:flex-end;background-color:#4caf50;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;padding:8px 16px}.btn-submit-answer:hover{background-color:#3e8e41}.btn-refresh{background-color:#f8f9fa;border:1px solid #ddd;border-radius:6px;color:#333;font-weight:500;padding:10px 20px;transition:all .2s ease}.notification-badge{background-color:#f44336;border-radius:50%;display:inline-block;height:8px;position:absolute;right:5px;top:5px;width:8px}.translations-grid{grid-gap:15px;box-sizing:border-box;display:grid;gap:15px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));height:100%;overflow:auto;padding:10px;width:100%}@media (max-width:1024px){.translations-grid{gap:10px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));padding:8px}}@media (max-width:768px){.translations-grid{display:flex;flex-direction:column;gap:8px;grid-template-columns:none;padding:5px}.translations-grid>div{flex:none;height:auto!important;min-height:200px;width:100%}.translations-grid>div .panel-content{height:auto!important;max-height:none!important;overflow:visible!important}}.pdf-list-container{background-color:#f9f9f9;border-bottom:1px solid #eee;max-height:120px;overflow-y:auto;padding:10px}.pdf-list{display:flex;flex-wrap:wrap;gap:10px}.pdf-item{align-items:center;border:1px solid #ddd;border-radius:4px;cursor:pointer;display:flex;font-size:12px;max-width:200px;overflow:hidden;padding:8px 12px;text-overflow:ellipsis;transition:all .2s ease;white-space:nowrap}.pdf-item:hover{background-color:#e6f7ff}@media (max-width:768px){.pdf-list-container{max-height:80px;padding:8px}.pdf-item{font-size:11px;max-width:150px;padding:6px 10px}}@media (max-width:480px){.pdf-list-container{max-height:60px;padding:5px}.pdf-item{font-size:10px;max-width:120px;padding:4px 8px}}.upload-progress-container{border-bottom:1px solid #eee;padding:10px}.upload-progress-bar{background-color:#f0f0f0;border-radius:4px;height:10px;overflow:hidden;width:100%}.upload-progress-fill{background-color:#4caf50;height:10px;transition:width .3s ease}.upload-progress-text{font-size:12px;margin:5px 0 0;text-align:center}@media (max-width:480px){.upload-progress-container{padding:8px}.upload-progress-bar,.upload-progress-fill{height:8px}.upload-progress-text{font-size:11px}}.translation-panel-header{align-items:center;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;width:100%}@media (max-width:768px){.translation-panel-header{align-items:center;flex-direction:row;gap:10px}}@media (max-width:480px){.translation-panel-header{gap:10px}}.modal-open{-webkit-overflow-scrolling:auto!important;-webkit-touch-callout:none;height:100%!important;overflow:hidden!important;overscroll-behavior:none!important;-webkit-overscroll-behavior:none!important;-webkit-overscroll-behavior-x:none!important;-webkit-overscroll-behavior-y:none!important;position:fixed!important;-webkit-user-select:none;width:100%!important}.modal-overlay{-webkit-overflow-scrolling:touch;-ms-overflow-style:-ms-autohiding-scrollbar;align-items:center;background-color:#00000080;bottom:0;display:flex;justify-content:center;left:0;overflow-x:hidden;overflow-y:auto;overscroll-behavior:contain;-webkit-overscroll-behavior:contain;-webkit-overscroll-behavior-x:contain;-webkit-overscroll-behavior-y:contain;position:fixed;right:0;scrollbar-width:thin;top:0;z-index:1000}.modal-overlay::-webkit-scrollbar{width:8px}.modal-overlay::-webkit-scrollbar-track{background:#0000}.modal-overlay::-webkit-scrollbar-thumb{background-color:#0000004d;border-radius:4px}.modal-overlay::-webkit-scrollbar-thumb:hover{background-color:#00000080}.modal-container{border-radius:12px;box-shadow:0 10px 25px #0000001a;display:flex;flex-direction:column;overflow:hidden;touch-action:pan-y;transform:translateZ(0);will-change:transform}.modal-header{border-bottom:1px solid #eee;flex-shrink:0;padding:15px 20px}.modal-header h3{color:#333}.modal-close-btn{appearance:none;color:#666;font-size:24px;-webkit-user-select:none;user-select:none}.modal-body{-webkit-overflow-scrolling:touch!important;-ms-overflow-style:-ms-autohiding-scrollbar;flex:1 1;max-height:calc(90vh - 120px);overflow-x:hidden!important;overflow-y:auto!important;padding:20px;scrollbar-width:thin;touch-action:pan-y;transform:translateZ(0)}.modal-body::-webkit-scrollbar{width:6px}.modal-body::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}.modal-body::-webkit-scrollbar-thumb{background-color:#c1c1c1;border-radius:3px}.modal-body::-webkit-scrollbar-thumb:hover{background-color:#a1a1a1}.modal-footer{border-top:1px solid #eee;flex-shrink:0;gap:10px;padding:15px 20px}.modal-container.questions-modal{max-height:80vh}.modal-container.questions-modal .modal-body{max-height:calc(80vh - 120px)}.questions-list{-webkit-overflow-scrolling:touch!important;-ms-overflow-style:-ms-autohiding-scrollbar;max-height:400px;overflow-x:hidden!important;overflow-y:auto!important;scrollbar-width:thin;touch-action:pan-y;transform:translateZ(0)}.questions-list::-webkit-scrollbar{width:5px}.questions-list::-webkit-scrollbar-track{background:#f8f9fa;border-radius:2px}.questions-list::-webkit-scrollbar-thumb{background-color:#dee2e6;border-radius:2px}.questions-list::-webkit-scrollbar-thumb:hover{background-color:#adb5bd}.question-item{border-bottom:1px solid #eee;margin-bottom:10px;padding:15px}.question-item:last-child{border-bottom:none}.question-header{align-items:center;display:flex;justify-content:space-between;margin-bottom:8px}.student-name{color:#333;font-size:.9rem;font-weight:600}.question-time{color:#666;font-size:.8rem}.question-text{color:#555;font-size:.9rem;line-height:1.5}.translated-text{border-left:2px solid #ddd;color:#555;font-style:italic;margin-top:8px;padding-left:10px}.no-questions,.questions-error,.questions-loading{color:#666;padding:40px 20px;text-align:center}.questions-error{color:#d32f2f}.btn-retry{background-color:#007bff;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;margin-top:10px;padding:8px 16px}.btn-retry:hover{background-color:#0056b3}.btn-refresh{background-color:#28a745;border:none;border-radius:4px;color:#fff;cursor:pointer;font-size:.9rem;padding:8px 16px}.btn-refresh:hover{background-color:#218838}.language-checkboxes{grid-gap:8px;-webkit-overflow-scrolling:touch!important;-ms-overflow-style:-ms-autohiding-scrollbar;gap:8px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));max-height:300px;overflow-x:hidden!important;overflow-y:auto!important;padding:5px;scrollbar-width:thin;touch-action:pan-y;transform:translateZ(0)}.language-checkboxes::-webkit-scrollbar{width:5px}.language-checkboxes::-webkit-scrollbar-track{background:#f8f9fa;border-radius:2px}.language-checkboxes::-webkit-scrollbar-thumb{background-color:#dee2e6;border-radius:2px}.language-checkboxes::-webkit-scrollbar-thumb:hover{background-color:#adb5bd}.language-checkbox{padding:6px 8px}.language-checkbox:hover{background-color:#f8f9fa}.language-checkbox input[type=checkbox]{appearance:none;background:#fff;border:2px solid #ddd;border-radius:3px;cursor:pointer;flex-shrink:0;height:16px;margin:0;position:relative;width:16px}.language-checkbox input[type=checkbox]:checked{background-color:#007bff;border-color:#007bff}.language-checkbox input[type=checkbox]:checked:after{color:#fff;content:"✓";font-size:12px;font-weight:700;left:1px;position:absolute;top:-2px}.language-checkbox span{color:#333;font-size:.9rem}.settings-content{display:flex;flex-direction:column;gap:20px}.setting-group{background-color:#f8f9fa;border:1px solid #e9ecef;border-radius:8px;padding:15px}.setting-group h4{color:#333;font-size:1rem;font-weight:600;margin:0 0 10px}.setting-item{display:flex;flex-direction:column;gap:8px}.setting-checkbox{align-items:center;cursor:pointer;display:flex;font-size:.9rem;gap:8px}.setting-checkbox input[type=checkbox]{appearance:none;background:#fff;border:2px solid #ddd;border-radius:3px;cursor:pointer;height:16px;margin:0;position:relative;width:16px}.setting-checkbox input[type=checkbox]:checked{background-color:#007bff;border-color:#007bff}.setting-checkbox input[type=checkbox]:checked:after{color:#fff;content:"✓";font-size:12px;font-weight:700;left:1px;position:absolute;top:-2px}.setting-description{color:#666;font-size:.8rem;margin-left:24px}.btn-cancel,.btn-primary{appearance:none;border:none;border-radius:5px;cursor:pointer;font-size:.9rem;min-height:40px;padding:10px 20px;transition:all .2s;-webkit-user-select:none;user-select:none}.btn-primary{background-color:#007bff}.btn-primary:hover{background-color:#0056b3}.btn-primary:disabled{background-color:#6c757d;cursor:not-allowed}.btn-cancel{background-color:#6c757d;color:#fff}.btn-cancel:hover{background-color:#5a6268}.question-form{display:flex;flex-direction:column;gap:15px}.question-textarea{appearance:none;border:1px solid #ddd;border-radius:5px;box-sizing:border-box;font-family:inherit;font-size:.9rem;min-height:120px;padding:12px;resize:vertical;width:100%}.question-textarea:focus{border-color:#007bff;box-shadow:0 0 0 2px #007bff40;outline:none}.question-instruction{color:#666;font-size:.8rem;font-style:italic;margin:0}.microphone-select{appearance:none;background-color:#fff;border:1px solid #ddd;border-radius:5px;cursor:pointer;font-size:.9rem;padding:8px 12px;width:100%}.microphone-select:focus{border-color:#007bff;box-shadow:0 0 0 2px #007bff40;outline:none}.mic-test-container{display:flex;flex-direction:column;gap:15px}.mic-test-btn{appearance:none;background-color:#28a745;border:none;border-radius:5px;color:#fff;cursor:pointer;font-size:.9rem;padding:10px 20px;transition:all .2s;-webkit-user-select:none;user-select:none}.mic-test-btn:hover{background-color:#218838}.mic-test-btn.testing{background-color:#dc3545}.mic-test-btn.testing:hover{background-color:#c82333}.mic-level-container{align-items:center;display:flex;gap:10px}.mic-level-label{color:#333;font-size:.9rem;min-width:70px}.mic-level-bar{background-color:#e9ecef;border-radius:10px;flex:1 1;height:20px;overflow:hidden;position:relative}.mic-level-fill{background:linear-gradient(90deg,#28a745,#ffc107 70%,#dc3545);border-radius:10px;height:100%;transition:width .1s ease}.mic-level-value{color:#666;font-size:.8rem;min-width:35px;text-align:right}@media (max-width:768px){.modal-container{max-width:400px;width:95%}.modal-header{padding:12px 15px}.modal-header h3{font-size:16px}.modal-close-btn{font-size:20px}.modal-body{max-height:calc(90vh - 110px);padding:15px}.modal-footer{flex-direction:column;gap:10px;padding:12px 15px}.btn-cancel,.btn-primary{font-size:14px;margin-left:0;padding:10px 12px;width:100%}.settings-content{gap:15px}.setting-group{padding:12px}.setting-group h4{font-size:14px}.setting-description{font-size:12px;margin-left:20px}.language-checkboxes{grid-template-columns:1fr;max-height:200px}.questions-list{max-height:300px}.microphone-select{font-size:.9rem;padding:6px}.mic-test-btn{font-size:.9rem;padding:8px 12px}.mic-level-container{align-items:flex-start;flex-direction:column;gap:5px}.mic-level-bar{margin-right:0;width:100%}.mic-level-value{text-align:left;width:auto}}@media (max-width:480px){.modal-overlay{align-items:flex-start;padding:20px 10px}.modal-container{max-height:85vh;max-width:95%}.modal-header{padding:10px 12px}.modal-header h3{font-size:14px}.modal-close-btn{font-size:18px}.modal-body{max-height:calc(85vh - 100px);padding:10px}.modal-footer{padding:10px 12px}.btn-cancel,.btn-primary{font-size:12px;padding:8px 10px}.setting-group{padding:10px}.setting-group h4{font-size:12px}.setting-description{font-size:11px;margin-left:16px}.language-checkboxes{max-height:150px}.questions-list{max-height:250px}.microphone-select{font-size:.8rem;padding:5px}.mic-test-btn{font-size:.8rem;padding:6px 10px}}.tts-settings-content{padding:20px 0}.setting-item{margin-bottom:25px}.checkbox-container{align-items:center;color:#374151;cursor:pointer;display:flex;font-size:16px;font-weight:500;margin-bottom:10px;padding-left:35px;position:relative}.checkbox-container input[type=checkbox]{cursor:pointer;height:0;opacity:0;position:absolute;width:0}.checkmark{align-items:center;background-color:#fff;border:2px solid #d1d5db;border-radius:4px;display:flex;height:20px;justify-content:center;left:0;position:absolute;top:0;transition:all .2s ease;width:20px}.checkbox-container:hover input~.checkmark{background-color:#f8fafc;border-color:#6366f1}.checkbox-container input:checked~.checkmark{background-color:#6366f1;border-color:#6366f1}.checkmark:after{content:"";display:none;position:absolute}.checkbox-container input:checked~.checkmark:after{display:block}.checkbox-container .checkmark:after{border:solid #fff;border-width:0 2px 2px 0;height:9px;margin-top:-2px;position:static;transform:rotate(45deg);width:5px}.checkbox-label{margin-left:10px}.setting-description{color:#6b7280;font-size:14px;line-height:1.4;margin:5px 0 0 35px}.tts-info{border-top:1px solid #e5e7eb;margin-top:30px;padding-top:20px}.info-box{background-color:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:20px}.info-box h4{align-items:center;color:#374151;display:flex;font-size:16px;font-weight:600;gap:8px;margin:0 0 15px}.info-box ul{list-style-type:disc;margin:0;padding-left:20px}.info-box li{color:#4b5563;font-size:14px;line-height:1.5;margin-bottom:8px}.info-box li:last-child{margin-bottom:0}.info-box strong{color:#374151;font-weight:600}@media (max-width:768px){.tts-settings-content{padding:15px 0}.checkbox-container{font-size:15px;padding-left:32px}.checkmark{align-items:center;display:flex;height:18px;justify-content:center;width:18px}.checkbox-container .checkmark:after{height:8px;margin-top:-1px;position:static;width:4px}.setting-description{font-size:13px;margin-left:32px}.info-box{padding:15px}.info-box h4{font-size:15px}.info-box li{font-size:13px}}.consultation-room{background-color:#f8f9fa;display:flex;flex-direction:column;height:100vh;position:relative;width:100%}.consultation-header{align-items:center;background-color:#fff;box-shadow:0 2px 4px #0000001a;display:flex;flex-shrink:0;justify-content:space-between;padding:1rem 2rem;z-index:10}.class-info h1{font-size:1.5rem;font-weight:600;margin:0}.class-id{color:#666;font-size:.8rem;margin:.2rem 0 0}.turn-indicator{align-items:center;background-color:#f0f0f0;border-radius:20px;display:flex;font-weight:500;gap:.5rem;padding:.5rem 1rem}.speaker-professor{color:#2c6fca;font-weight:600}.speaker-student{color:#28a745;font-weight:600}.speaking-indicator{animation:pulse 1.5s infinite;color:#dc3545;font-weight:500}@keyframes pulse{0%{opacity:.7}50%{opacity:1}to{opacity:.7}}.header-actions{align-items:center;display:flex;gap:1rem}.current-translation-info{background-color:#f8f9fa;border-left:3px solid #007bff;border-radius:8px;color:#495057;font-size:.85rem;max-width:500px;overflow:hidden;padding:.5rem 1rem;text-overflow:ellipsis;white-space:nowrap}.end-consultation-btn{background-color:#dc3545;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:500;padding:.5rem 1rem;transition:background-color .2s}.end-consultation-btn:hover{background-color:#c82333}.btn-settings{align-items:center;background-color:#fff;border:1px solid #ddd;border-radius:4px;color:#333;cursor:pointer;display:flex;font-size:14px;gap:8px;justify-content:center;padding:8px 16px;transition:all .2s ease;white-space:nowrap}.btn-settings:hover{background-color:#f0f0f0;border-color:#bbb}.settings-icon{flex-shrink:0;height:16px;width:16px}.microphone-settings-btn{align-items:center;background-color:#f8f9fa;border:1px solid #ced4da;border-radius:4px;color:#495057;cursor:pointer;display:flex;font-weight:500;gap:.5rem;padding:.5rem 1rem;transition:all .2s;white-space:nowrap}.microphone-settings-btn:hover{background-color:#e9ecef}.microphone-settings-btn .settings-icon{stroke:#2c6fca}.language-settings-btn{background-color:#f8f9fa;color:#495057}.language-settings-btn:hover{background-color:#e9ecef}.professor-language-btn .settings-icon{stroke:#2c6fca}.student-language-btn .settings-icon{stroke:#28a745}.language-radio-group{display:flex;flex-direction:column;gap:10px;margin-top:15px;max-height:300px;overflow-y:auto}.language-radio-item{align-items:center;border-radius:4px;cursor:pointer;display:flex;gap:10px;padding:8px 12px;transition:background-color .2s}.language-radio-item:hover{background-color:#f0f0f0}.language-radio-item input[type=radio]{height:16px;margin:0;width:16px}.language-radio-item span{font-size:.95rem}.language-explanation{background-color:#f8f9fa;border-left:3px solid #28a745;border-radius:4px;color:#495057;font-size:.9rem;line-height:1.5;margin:12px 0;padding:10px}.language-explanation small{display:block}.language-checkboxes{grid-gap:10px;display:grid;gap:10px;grid-template-columns:repeat(2,1fr);margin-top:15px}.language-checkbox{align-items:center;border-radius:4px;cursor:pointer;display:flex;gap:8px;padding:5px;transition:background-color .2s}.language-checkbox:hover{background-color:#f0f0f0}.language-checkbox input{margin:0}.modal-backdrop{z-index:1000}.modal-container{background-color:#fff;border-radius:8px;box-shadow:0 4px 6px #0000001a;max-height:90vh;max-width:500px;overflow-y:auto;width:90%}.modal-header{align-items:center;border-bottom:1px solid #e9ecef;display:flex;justify-content:space-between;padding:1rem 1.5rem}.modal-header h3{font-size:1.2rem}.modal-close-btn{background:none;border:none;color:#6c757d;cursor:pointer;font-size:1.5rem}.modal-footer{border-top:1px solid #e9ecef;gap:1rem}.btn-cancel,.btn-submit{border-radius:4px;cursor:pointer;font-weight:500;padding:.5rem 1rem;transition:background-color .2s}.btn-cancel{background-color:#f8f9fa;border:1px solid #ced4da;color:#212529}.btn-cancel:hover{background-color:#e9ecef}.btn-submit{background-color:#007bff;border:none;color:#fff}.btn-submit:hover{background-color:#0069d9}#microphone-select{border:1px solid #ced4da;border-radius:4px;font-size:1rem;margin-top:.5rem;padding:.5rem;width:100%}.microphone-info{background-color:#f8f9fa;border-left:4px solid #6c757d;border-radius:4px;margin-top:1rem;padding:1rem}.microphone-tip{color:#6c757d;font-size:.9rem;margin-top:.5rem}.consultation-content{display:flex;flex:1 1;flex-direction:column;gap:1.5rem;min-height:0;overflow:auto;padding:1.5rem 1.5rem 70px}.speakers-panel{background-color:#fff;box-shadow:0 2px 6px #0000001a;justify-content:space-between}.speaker-card,.speakers-panel{align-items:center;border-radius:8px;display:flex;padding:1rem}.speaker-card{border:2px solid #e9ecef;flex-direction:column;transition:all .3s ease;width:45%}.speaker-card.active{border-color:#28a745;box-shadow:0 0 0 4px #28a74533}.speaker-card.my-role{background-color:#f8f9fa}.speaker-info{align-items:center;display:flex;flex-direction:column;margin-bottom:.5rem}.speaker-avatar{font-size:2rem;margin-bottom:.3rem}.speaker-name{font-size:1.2rem;font-weight:500;margin-bottom:.5rem}.speaker-language{background-color:#f8f9fa;border-radius:4px;color:#6c757d;font-size:.85rem;margin-top:.5rem;padding:.25rem .5rem}.turn-arrow{font-size:2rem;margin:0 1rem}.speak-button{border:none;border-radius:4px;cursor:pointer;font-weight:600;min-height:44px;padding:.8rem 1.5rem;transition:all .2s;width:100%}.speak-button.start-speaking{background-color:#28a745;color:#fff}.speak-button.start-speaking:hover:not(:disabled){background-color:#218838}.speak-button.stop-speaking{background-color:#dc3545;color:#fff}.speak-button.stop-speaking:hover:not(:disabled){background-color:#c82333}.speak-button:disabled{background-color:#adb5bd;color:#e9ecef;cursor:not-allowed;opacity:.7}.translations-panel{background-color:#fff;border-radius:8px;box-shadow:0 2px 6px #0000001a;display:flex;flex:1 1;flex-direction:column;gap:1rem;height:auto;min-height:450px;overflow-y:auto;padding:1.5rem}.translations-header{align-items:center;background-color:#f9f9f9;border-bottom:1px solid #eee;border-radius:8px 8px 0 0;display:flex;flex-shrink:0;justify-content:space-between;margin:-1.5rem -1.5rem 1rem;padding:10px 15px}.translations-header h3{font-size:1.1rem;margin:0}.translations-content{flex:1 1;max-height:100%;min-height:0;overflow-y:auto}.font-size-controls{align-items:center;display:flex;gap:5px}.font-size-label{color:#495057;font-size:14px;font-weight:500;margin-right:5px}.font-size-select{background-color:#fff;border:1px solid #d1d5db;border-radius:6px;box-shadow:0 1px 3px #0000001a;color:#374151;cursor:pointer;font-size:14px;font-weight:500;min-width:60px;outline:none;padding:6px 10px;transition:all .15s ease-in-out}.font-size-select:hover{border-color:#9ca3af}.font-size-select:focus,.font-size-select:hover{box-shadow:0 1px 3px #0000001a,0 0 0 3px #6366f11a}.font-size-select:focus{border-color:#6366f1}.empty-translations{align-items:center;color:#6c757d;display:flex;flex-direction:column;height:100%;justify-content:center;text-align:center}.translation-item{border-radius:8px;margin-bottom:.5rem;max-width:90%;padding:1rem}.professor-message{align-self:flex-start;background-color:#e9f0fc;border-left:4px solid #2c6fca}.student-message{align-self:flex-end;background-color:#e9fcef;border-left:4px solid #28a745}.current-transcription{animation:pulse-border 2s infinite;border-style:dashed!important;opacity:.8}@keyframes pulse-border{0%{border-color:#28a7454d}50%{border-color:#28a745cc}to{border-color:#28a7454d}}.current-transcription.professor-message{animation:pulse-border-professor 2s infinite}@keyframes pulse-border-professor{0%{border-color:#2c6fca4d}50%{border-color:#2c6fcacc}to{border-color:#2c6fca4d}}.message-header{align-items:center;display:flex;font-size:.85rem;justify-content:space-between;margin-bottom:.5rem}.speaker-label{font-weight:600}.transcription-status{animation:pulse-text 1.5s infinite;background-color:#ffc10733;border-radius:3px;color:#6c757d;font-size:.75rem;font-style:italic;padding:2px 6px}@keyframes pulse-text{0%{opacity:.7}50%{opacity:1}to{opacity:.7}}.message-time{color:#6c757d}.message-content{font-size:1rem;line-height:1.5;margin-bottom:.5rem}.translation-content{border-top:1px dashed #dee2e6;color:#495057;font-size:.9rem;margin-top:.5rem;padding-top:.5rem}.translation{margin-bottom:.3rem}.language-label{color:#6c757d;font-weight:500}.error,.loading{align-items:center;display:flex;font-size:1.2rem;height:100vh;justify-content:center;width:100%}.error{color:#dc3545}.settings-footer{background-color:#fff;border-top:1px solid #e9ecef;bottom:0;box-shadow:0 -2px 10px #0000001a;left:0;padding:10px 0;position:fixed;width:100%;z-index:100}.settings-container{align-items:center;display:flex;gap:16px;justify-content:center;margin:0 auto;max-width:1200px;padding:0 20px}.student-profile-btn{align-items:center;background-color:#4a69bd;color:#fff;display:flex}.student-profile-btn:hover{background-color:#3a59ad}.required{color:#e74c3c;margin-left:4px}.form-group label{color:#333}.form-group input{font-size:1rem;padding:.5rem;transition:border-color .2s}.form-group input:focus{border-color:#007bff;box-shadow:0 0 0 2px #007bff40}.form-group input.error{background-color:#e74c3c0d;border-color:#e74c3c}.error-message{color:#e74c3c;display:block;font-size:.8rem;margin-top:4px}@media (max-width:768px){.consultation-header{padding:.75rem 1rem}.class-info h1{font-size:1.25rem}.class-id{font-size:.75rem}.end-consultation-btn{font-size:.9rem;padding:.4rem .8rem}.consultation-content{gap:1rem;min-height:0;overflow:auto;padding:1rem 1rem 120px}.speakers-panel{flex-direction:column;gap:.5rem;padding:.8rem}.speaker-card{padding:.8rem;width:100%}.speaker-avatar{font-size:1.8rem}.speaker-name{font-size:1.1rem}.speaker-language{font-size:.8rem}.turn-arrow{font-size:1.5rem;margin:.5rem 0;transform:rotate(90deg)}.speak-button{font-size:.9rem;padding:.7rem 1rem}.translations-panel{height:auto;min-height:600px;padding:1rem}.translations-header{margin:-1rem -1rem 1rem;padding:8px 12px}.translations-header h3{font-size:1rem}.font-size-controls{gap:3px}.font-size-label{font-size:12px;margin-right:3px}.font-size-select{font-size:12px;min-width:50px;padding:4px 6px}.translation-item{max-width:95%;padding:.8rem}.message-content{font-size:.95rem}.translation-content{font-size:.85rem}.transcription-status{font-size:.7rem;padding:1px 4px}.settings-container{flex-wrap:wrap;gap:8px;padding:0 10px}.btn-settings{font-size:12px;min-width:0;padding:6px 12px}.btn-settings .settings-icon{height:14px;width:14px}.language-settings-btn,.microphone-settings-btn,.student-profile-btn{padding:6px 8px}.modal-container{margin:20px;max-height:85vh;width:95%}.modal-header{padding:.8rem 1rem}.modal-header h3{font-size:1.1rem}.modal-body{padding:1rem}.modal-footer{flex-direction:column;gap:.5rem;padding:.8rem 1rem}.btn-cancel,.btn-submit{padding:.6rem;width:100%}.language-checkboxes{grid-template-columns:1fr}.language-radio-group{max-height:250px}.language-radio-item{padding:10px}.language-radio-item span{font-size:.9rem}.form-group input{font-size:16px}}@media (max-width:480px){.consultation-header{padding:.5rem .8rem}.class-info h1{font-size:1.1rem}.class-id{font-size:.7rem}.end-consultation-btn{font-size:.8rem;padding:.3rem .6rem}.consultation-content{gap:.8rem;min-height:0;overflow:auto;padding:.5rem .5rem 140px}.speaker-card,.speakers-panel{padding:.6rem}.speaker-avatar{font-size:1.6rem}.speaker-name{font-size:1rem}.speaker-language{font-size:.75rem;padding:.2rem .4rem}.speak-button{font-size:.85rem;padding:.6rem .8rem}.translations-panel{height:auto;min-height:550px;padding:.8rem}.translations-header{margin:-.8rem -.8rem .8rem;padding:6px 10px}.translations-header h3{font-size:.9rem}.font-size-controls{gap:2px}.font-size-label{display:none;font-size:11px;margin-right:2px}.font-size-select{font-size:11px;min-width:45px;padding:3px 5px}.translation-item{max-width:98%;padding:.6rem}.message-content{font-size:.9rem}.translation-content{font-size:.8rem}.transcription-status{font-size:.65rem;padding:1px 3px}.settings-container{flex-direction:column;gap:6px;padding:8px}.btn-settings{font-size:11px;justify-content:flex-start;padding:8px;width:100%}.btn-settings .settings-icon{height:12px;width:12px}.microphone-settings-btn{font-size:0}.microphone-settings-btn:after{content:"마이크";font-size:11px}.student-profile-btn{font-size:0}.student-profile-btn:after{content:"프로필";font-size:11px}.professor-language-btn{font-size:0}.professor-language-btn:after{content:"교수 언어";font-size:11px}.student-language-btn{font-size:0}.student-language-btn:after{content:"학생 언어";font-size:11px}.modal-container{margin:10px;max-height:90vh;width:98%}.modal-header{padding:.6rem .8rem}.modal-header h3{font-size:1rem}.modal-body{padding:.8rem}.modal-footer{padding:.6rem .8rem}.btn-cancel,.btn-submit{font-size:.9rem;padding:.5rem}.language-radio-group{max-height:200px}.language-radio-item{padding:8px}.language-radio-item span{font-size:.85rem}.form-group{margin-bottom:.8rem}.form-group label{font-size:.9rem}.form-group input{font-size:16px;padding:.4rem}}@media (max-width:768px) and (orientation:landscape){.consultation-content{min-height:0;overflow:auto;padding-bottom:80px}.speakers-panel{flex-direction:row;padding:.8rem}.speaker-card{padding:.8rem;width:45%}.turn-arrow{margin:0 .5rem;transform:none}.translations-panel{height:auto;min-height:300px;padding:.8rem}.settings-container{flex-direction:row;flex-wrap:wrap;padding:5px}.btn-settings{font-size:10px;padding:5px 8px;width:auto}}@media (hover:none) and (pointer:coarse){.speak-button{font-size:1rem;font-weight:600;min-height:48px;padding:.8rem 1rem}.btn-settings{font-size:14px}.btn-settings,.font-size-select{min-height:44px;padding:8px 12px}.font-size-select{font-size:16px}.modal-close-btn{min-height:44px;min-width:44px;padding:8px}.btn-cancel,.btn-submit{font-size:16px;min-height:44px;padding:12px 16px}.language-radio-item{min-height:44px;padding:12px}.language-radio-item input[type=radio]{height:20px;width:20px}.form-group input{font-size:16px;min-height:44px;padding:12px}}.profile-content{background-color:#f5f7fa;flex:1 1;overflow-y:auto;padding:30px}.profile-header{margin-bottom:30px}.profile-header h1{border-bottom:1px solid #e1e4e8;color:#333;font-size:28px;margin:0;padding-bottom:10px}.profile-card{background:#fff;border-radius:8px;box-shadow:0 2px 5px #0000001a;padding:30px}.profile-detail{display:flex;flex-direction:column;gap:24px}.profile-field{align-items:center;border-bottom:1px solid #f0f0f0;display:flex;padding-bottom:15px}.field-label{color:#444;flex:0 0 150px;font-weight:600}.field-value{color:#333;flex:1 1}.password-change-button{background-color:#4a90e2;border:none;border-radius:4px;color:#fff;cursor:pointer;font-weight:500;padding:8px 16px;transition:background-color .2s}.password-change-button:hover{background-color:#3a80d2}.modal-backdrop{align-items:center;background-color:#00000080;display:flex;height:100%;justify-content:center;left:0;position:fixed;top:0;width:100%;z-index:100}.modal-content{border-radius:8px;box-shadow:0 4px 8px #0003;max-width:90%;padding:30px;width:450px}.modal-content h2{color:#333;margin-top:0}.form-group,.modal-content h2{margin-bottom:20px}.form-group label{color:#555;margin-bottom:8px}.form-group input,.form-group textarea{border:1px solid #ddd;border-radius:4px;font-size:16px;padding:10px}.form-group textarea{font-family:inherit;min-height:120px;resize:vertical;width:100%}.button-group{display:flex;gap:10px;justify-content:flex-end;margin-top:30px}.cancel-button{background-color:#f5f5f5;border:1px solid #ddd;border-radius:4px;color:#333}.cancel-button,.save-button{cursor:pointer;font-weight:500;padding:10px 15px}.save-button{background-color:#4a90e2;border:none;border-radius:4px}.cancel-button:hover{background-color:#e5e5e5}.save-button:hover{background-color:#3a80d2}.error-message{background-color:#ffe4e1;color:#d9534f}.error-message,.success-message{border-radius:4px;margin-bottom:15px;padding:10px}.success-message{background-color:#dff0d8;color:#3c763d}@media (max-width:768px){.profile-content{padding:20px}.profile-header h1{font-size:24px}.profile-card{padding:20px}.profile-field{align-items:flex-start;flex-direction:column;gap:8px;padding-bottom:10px}.field-label{flex:none;margin-bottom:0;width:100%}.field-value{width:100%}.password-change-button{font-size:14px;padding:10px 15px}.button-group{flex-direction:column;gap:10px;width:100%}.cancel-button,.save-button{font-size:16px;padding:12px;width:100%}.modal-content{padding:20px;width:95%}.modal-content h2{font-size:22px}.form-group label{font-size:14px}.form-group input,.form-group textarea{font-size:14px;padding:8px}}@media (max-width:480px){.profile-content{padding:15px}.profile-header h1{font-size:20px}.modal-content,.profile-card{padding:15px}.modal-content h2{font-size:20px}}.password-hint,.password-match,.password-mismatch{font-size:14px;margin-top:5px;padding:5px 0}.password-hint{background-color:#fff3cd;color:#856404;margin-top:5px}.password-hint,.password-mismatch{border-radius:4px;padding:5px 10px}.password-mismatch{background-color:#f8d7da;color:#721c24}.password-match{background-color:#d4edda;border-radius:4px;color:#155724;padding:5px 10px}.input-error{border-color:#dc3545!important}.input-error:focus{box-shadow:0 0 0 .2rem #dc354540;outline:none}.hidden{display:none}.error-report-modal{max-width:95%;min-height:500px;width:600px}.class-record-container{background:#f8fafc;margin:0 auto;max-width:1200px;min-height:100vh;padding:2rem}.record-header{align-items:center;background:#fff;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;display:flex;justify-content:space-between;margin-bottom:2rem;padding:1.5rem}.record-header h2{color:#1e293b;font-size:1.875rem;font-weight:700;margin:0}.back-button,.save-button{align-items:center;border:none;border-radius:.375rem;cursor:pointer;display:inline-flex;font-size:1rem;font-weight:500;gap:.5rem;padding:.75rem 1rem;text-decoration:none;transition:all .2s}.back-button{background:#4a90e2;color:#fff}.back-button:hover{background:#3a80d2}.save-button{background:#3b82f6;color:#fff}.save-button:hover{background:#2563eb}.record-meta{background:#fff;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;color:#6b7280;display:flex;font-size:1rem;gap:2rem;margin-bottom:2rem;padding:1rem 1.5rem}.record-meta p{margin:0}.counsel-profile-container{background:#fff;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;margin-bottom:2rem;padding:1.5rem}.counsel-profile-title{color:#1e293b;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.counsel-profile-loading{align-items:center;color:#6b7280;display:flex;gap:.5rem}.loading-spinner-small{animation:spin 1s linear infinite;border:2px solid #e5e7eb;border-radius:50%;border-top-color:#3b82f6;height:1rem;width:1rem}.counsel-profile-info{display:flex;flex-direction:column;gap:.75rem}.counsel-profile-field{display:flex;gap:.5rem}.field-label{color:#374151;font-weight:500;min-width:60px}.field-value{color:#6b7280}.counsel-profile-empty{color:#9ca3af;font-style:italic}.translations-container{background:#fff;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;padding:1.5rem}.no-records{color:#9ca3af;font-size:1.125rem;padding:3rem;text-align:center}.translation-item{background:#fff;border:1px solid #e2e8f0;border-radius:.5rem;margin-bottom:1.5rem;padding:1.5rem;transition:box-shadow .2s}.translation-item:hover{box-shadow:0 4px 6px -1px #0000001a}.translation-item.professor{background:#f8faff;border-left:4px solid #3b82f6}.translation-item.student{background:#f0fdf4;border-left:4px solid #10b981}.translation-header{align-items:center;display:flex;font-size:.875rem;justify-content:space-between;margin-bottom:1rem}.speaker-type{background:#3b82f6;border-radius:1rem;color:#fff;font-size:.75rem;font-weight:500;padding:.25rem .75rem}.translation-item.student .speaker-type{background:#10b981}.timestamp{color:#6b7280;font-size:.875rem}.translation-content{display:flex;flex-direction:column;gap:1rem}.original-text{background:#f8fafc;border-left:3px solid #cbd5e1;border-radius:.375rem;color:#1e293b;font-size:1.125rem;line-height:1.6;margin:0;padding:1rem}.translated-text{background:#f1f5f9;border-left:3px solid #94a3b8;border-radius:.375rem;color:#4b5563;font-size:1rem;line-height:1.5;margin:0;padding:.75rem 1rem}.language-label{color:#374151;font-weight:600}.error-container{align-items:center;display:flex;flex-direction:column;gap:1rem;justify-content:center;min-height:50vh;text-align:center}.error-container h3{color:#ef4444;font-size:1.5rem;margin:0}.error-container p{color:#6b7280;margin:0}.error-container button{background:#3b82f6;border:none;border-radius:.375rem;color:#fff;cursor:pointer;font-size:1rem;padding:.75rem 1.5rem}.error-container button:hover{background:#2563eb}.modal-content{background:#fff;border-radius:.5rem;box-shadow:0 20px 25px -5px #0000001a;max-height:90vh;max-width:500px;overflow:hidden;width:90%}.modal-header{border-bottom:1px solid #e2e8f0;padding:1.5rem}.modal-header h3{color:#1e293b;font-size:1.25rem;font-weight:600;margin:0}.modal-body{overflow-y:auto;padding:1.5rem}.form-group{margin-bottom:1rem}.form-group label{color:#374151;display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem}.form-group input{border:1px solid #d1d5db;border-radius:.375rem;font-size:.875rem;padding:.75rem;width:100%}.form-group input:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.modal-footer{border-top:1px solid #e2e8f0;display:flex;gap:.75rem;justify-content:flex-end;padding:1rem 1.5rem}.cancel-button,.submit-button{border:none;border-radius:.375rem;cursor:pointer;font-size:.875rem;font-weight:500;padding:.5rem 1rem;transition:all .2s}.cancel-button{background:#6b7280;color:#fff}.cancel-button:hover{background:#4b5563}.submit-button{background:#3b82f6;color:#fff}.submit-button:hover{background:#2563eb}.footer-nav{background:#fff;border-top:1px solid #e2e8f0;display:flex;gap:1rem;justify-content:center;margin-top:2rem;padding:1rem}.footer-button{align-items:center;background:#f3f4f6;border-radius:.375rem;color:#374151;display:inline-flex;font-size:.875rem;gap:.5rem;padding:.5rem 1rem;text-decoration:none;transition:all .2s}.footer-button:hover{background:#e5e7eb}.footer-button svg{height:1rem;width:1rem}@media (max-width:1024px){.class-record-container{padding:1.5rem}.record-header h2{font-size:1.6rem}.back-button,.save-button{font-size:.9rem;padding:.5rem 1rem}.record-meta{font-size:.9rem;gap:1rem}.translations-container{padding:1rem}.translation-item{margin-bottom:1rem;padding:1rem}.translation-header{font-size:.85rem}.speaker-type{font-size:.75rem}.original-text{font-size:1rem}.translated-text{font-size:.9rem}.modal-content{max-width:450px}.modal-header h3{font-size:18px}.modal-body{padding:15px}.form-group label{font-size:14px}.form-group input{font-size:14px;padding:10px}.modal-footer{padding:10px 15px}.cancel-button,.submit-button{font-size:14px;padding:8px 15px}}@media (max-width:768px){.class-record-container{padding:1rem}.record-header{align-items:flex-start;flex-direction:column;gap:1rem}.record-header h2{font-size:1.4rem;margin-bottom:.8rem;order:-1}.header-buttons{flex-direction:column;gap:.5rem;width:100%}.back-button,.save-button{font-size:.9rem;justify-content:center;padding:.6rem 1rem;width:100%}.record-meta{flex-direction:column;font-size:.85rem;gap:.8rem}.translations-container{padding:.8rem}.translation-item{margin-bottom:.8rem;padding:.8rem}.translation-header{align-items:flex-start;flex-direction:column;gap:.5rem}.timestamp{align-self:flex-end;font-size:.8rem}.original-text{font-size:.95rem}.translated-text{font-size:.85rem;padding:.6rem .8rem}.modal-content{max-width:90%}.modal-header h3{font-size:16px}.modal-body{padding:10px}.form-group label{font-size:13px}.form-group input{font-size:13px;padding:8px}.modal-footer{padding:8px 10px}.cancel-button,.submit-button{font-size:13px;padding:6px 12px}.footer-nav{gap:10px;padding:8px}.footer-button{font-size:12px;padding:6px 10px}.footer-button svg{height:18px;margin-right:4px;width:18px}.counsel-profile-container{padding:1rem}.counsel-profile-title{font-size:1.1rem}.counsel-profile-info{gap:.6rem}.field-label,.field-value{font-size:.85rem}}@media (max-width:480px){.class-record-container{padding:.8rem}.record-header h2{font-size:1.2rem}.back-button,.save-button{font-size:.8rem;padding:.5rem .8rem}.record-meta{font-size:.8rem}.translations-container{padding:.6rem}.translation-item{margin-bottom:.6rem;padding:.6rem}.original-text{font-size:.85rem}.translated-text{font-size:.75rem;padding:.5rem .6rem}.modal-content{max-width:95%}.modal-header h3{font-size:14px}.modal-body{padding:8px}.form-group label{font-size:12px}.form-group input{font-size:12px;padding:6px}.modal-footer{padding:6px 8px}.cancel-button,.submit-button{font-size:12px;padding:5px 10px}.footer-nav{gap:8px;padding:6px}.footer-button{font-size:11px;padding:5px 8px}.footer-button svg{height:16px;width:16px}.counsel-profile-container{padding:.8rem}.counsel-profile-title{font-size:1rem}.counsel-profile-info{gap:.5rem}.field-label,.field-value{font-size:.8rem}}.admin-container{background-color:#f8fafc}.admin-container,.sidebar{display:flex;min-height:100vh}.sidebar{background:#1e293b;color:#fff;flex-direction:column;left:0;position:fixed;top:0;width:250px;z-index:1000}.sidebar-logo{border-bottom:1px solid #334155;color:#f1f5f9;font-size:1.5rem;font-weight:700;padding:2rem 1.5rem}.sidebar-nav{display:flex;flex:1 1;flex-direction:column;padding:1rem 0}.sidebar-link{align-items:center;background:none;border:none;color:#cbd5e1;cursor:pointer;display:flex;font-size:1rem;padding:1rem 1.5rem;text-align:left;text-decoration:none;transition:all .2s;width:100%}.sidebar-link:hover{background:#334155;color:#f1f5f9}.sidebar-link.active{background:#3b82f6;border-right:3px solid #60a5fa;color:#fff}.sidebar-link span{margin-left:.75rem}.logout-button{border-top:1px solid #334155;color:#f87171;margin-top:auto}.logout-button:hover{background:#374151;color:#fca5a5}.admin-content{display:flex;flex:1 1;flex-direction:column;margin-left:250px}.admin-header{background:#fff;border-bottom:1px solid #e2e8f0;padding:2rem}.admin-header-content{align-items:center;display:flex;justify-content:space-between;margin:0 auto;max-width:1200px}.admin-title{color:#1e293b;font-size:2rem;font-weight:700;margin:0}.admin-subtitle{color:#64748b;font-size:1rem;margin:.5rem 0 0}.admin-main{flex:1 1;margin:0 auto;max-width:1200px;padding:2rem;width:100%}.admin-card{background:#fff;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;overflow:hidden}.admin-card-header{border-bottom:1px solid #e2e8f0;padding:1.5rem}.admin-card-title{color:#1e293b;font-size:1.25rem;font-weight:600;margin:0}.admin-card-body{padding:1.5rem}.error-message{background:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;color:#b91c1c;display:flex;margin-bottom:1rem;padding:1rem}.btn,.error-message{align-items:center;gap:.5rem}.btn{border:none;border-radius:.375rem;cursor:pointer;display:inline-flex;font-size:.875rem;font-weight:500;padding:.5rem 1rem;text-decoration:none;transition:all .2s}.btn-primary{background:#3b82f6;color:#fff}.btn-primary:hover{background:#2563eb}.btn-secondary{background:#6b7280;color:#fff}.btn-secondary:hover{background:#4b5563}.btn-danger{background:#ef4444;color:#fff}.btn-danger:hover{background:#dc2626}.loading-container{align-items:center;display:flex;flex-direction:column;gap:1rem;justify-content:center;min-height:50vh}.loading-spinner{animation:spin 1s linear infinite;border:2px solid #e5e7eb;border-radius:50%;border-top-color:#3b82f6;height:2rem;width:2rem}@keyframes spin{to{transform:rotate(1turn)}}.user-table{border-collapse:collapse;margin-top:1rem;width:100%}.user-table td,.user-table th{border-bottom:1px solid #e2e8f0;padding:.75rem 1rem;text-align:left}.user-table th{background:#f8fafc;color:#374151;font-size:.875rem;font-weight:600}.user-table td{color:#6b7280}.user-table tbody tr:hover{background:#f8fafc}.user-table td:last-child{display:flex;gap:.5rem}.badge{border-radius:.375rem;display:inline-block;font-size:.75rem;font-weight:500;padding:.25rem .5rem;text-align:center;white-space:nowrap}.badge-role-admin{background-color:#fef2f2;border:1px solid #fecaca;color:#b91c1c}.badge-role-professor{background-color:#eff6ff;border:1px solid #dbeafe;color:#1d4ed8}.badge-role-student,.badge-success{background-color:#f0fdf4;border:1px solid #bbf7d0;color:#15803d}.badge-neutral{background-color:#f9fafb;border:1px solid #e5e7eb;color:#6b7280}.user-form{background:#fff;border-radius:.5rem;padding:2rem}.form-header{border-bottom:1px solid #e2e8f0;margin-bottom:2rem;padding-bottom:1rem}.form-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.form-label-optional{color:#9ca3af;font-size:.75rem;font-weight:400}.form-group{margin-bottom:1.5rem}.form-label{color:#374151;display:block;font-size:.875rem;font-weight:500;margin-bottom:.5rem}.form-input,.form-select{border:1px solid #d1d5db;border-radius:.375rem;font-size:.875rem;padding:.75rem;transition:border-color .2s;width:100%}.form-input:focus,.form-select:focus{border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a;outline:none}.form-actions{border-top:1px solid #e2e8f0;display:flex;gap:1rem;justify-content:flex-end;margin-top:2rem;padding-top:1.5rem}.class-grid{grid-gap:1.5rem;display:grid;gap:1.5rem;grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.class-card{background:#fff;border:1px solid #e2e8f0;border-radius:.5rem;box-shadow:0 1px 3px 0 #0000001a;padding:1.5rem}.class-title{color:#1e293b;font-size:1.25rem;font-weight:600;margin:0 0 1rem}.class-meta{display:flex;flex-wrap:wrap;gap:1.5rem;margin-bottom:1rem}.class-description,.class-meta-item{color:#6b7280;font-size:.875rem}.class-description{margin-bottom:1.5rem}.class-actions{display:flex;gap:.75rem}.btn-sm{font-size:.75rem;padding:.375rem .75rem}.class-filters{align-items:end;background:#fff;border-radius:.5rem;display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;padding:1rem}.filter-group{display:flex;flex-direction:column;gap:.5rem}.filter-label{color:#374151;font-size:.875rem;font-weight:500}.filter-select,.search-input{border:1px solid #d1d5db;border-radius:.375rem;font-size:.875rem;min-width:150px;padding:.5rem}@media (max-width:1024px){.admin-container,.sidebar{flex-direction:column}.sidebar{align-items:center;border-bottom:1px solid #334155;display:flex;min-height:auto;padding:0;position:relative;width:100%}.admin-content{margin-left:0}.sidebar-logo{font-size:1.25rem;padding:1rem 1.5rem}.sidebar-nav{flex-direction:row;flex-wrap:wrap;gap:.5rem;justify-content:center;padding:.5rem 0 1rem}.sidebar-link{font-size:.875rem;padding:.5rem .75rem}.sidebar-link span{margin-left:.5rem}.admin-header{padding:1rem}.admin-title{font-size:1.3rem}.admin-subtitle{font-size:.8rem}.admin-main,.user-form{padding:1.5rem}.form-group{margin-bottom:1rem}.form-label{font-size:.8rem}.form-input,.form-select{font-size:.8rem;padding:.6rem}.form-actions{margin-top:1.5rem;padding-top:1rem}.user-table td,.user-table th{font-size:.8rem;padding:.6rem .8rem}.user-table td:last-child .btn{font-size:.7rem;padding:.3rem .6rem}.class-grid{gap:1rem;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}.class-card{padding:1rem}.class-title{font-size:1.1rem}.class-meta{gap:1rem}.class-description,.class-meta-item{font-size:.8rem}.class-actions{gap:.5rem}.btn-sm{font-size:.7rem;padding:.3rem .6rem}.class-filters{flex-direction:column;gap:.8rem;padding:.8rem}.filter-group{align-items:flex-start;flex-direction:column;gap:.2rem}.filter-label{font-size:.8rem}.filter-select,.search-input{font-size:.8rem;padding:.5rem;width:100%}}@media (max-width:768px){.admin-header-content{align-items:flex-start;flex-direction:column;gap:.5rem}.admin-title{font-size:1.2rem}.admin-subtitle{font-size:.75rem}.admin-main,.user-form{padding:1rem}.form-actions{flex-direction:column;gap:.5rem}.btn{justify-content:center;width:100%}.user-table{overflow-x:auto;white-space:nowrap}.user-table,.user-table tbody,.user-table td,.user-table th,.user-table thead,.user-table tr{display:block}.user-table td,.user-table th{padding:.5rem;text-align:left!important}.user-table td:last-child{display:flex;justify-content:flex-start}.class-grid{grid-template-columns:1fr}.class-card{padding:.8rem}.class-title{font-size:1rem}.class-meta{flex-direction:column;gap:.5rem}.class-description,.class-meta-item{font-size:.75rem}.class-actions{flex-direction:column;gap:.5rem}.class-filters{padding:.6rem}.filter-select,.search-input{font-size:.75rem;padding:.4rem}}@media (max-width:480px){.admin-header{padding:.8rem}.admin-title{font-size:1rem}.admin-subtitle{font-size:.7rem}.admin-main,.user-form{padding:.8rem}.form-group{margin-bottom:.8rem}.form-label{font-size:.75rem}.form-input,.form-select{font-size:.75rem;padding:.5rem}.form-actions{margin-top:1rem;padding-top:.8rem}.user-table td,.user-table th{font-size:.7rem;padding:.4rem}.class-card{padding:.6rem}.class-title{font-size:.9rem}.class-description,.class-meta-item{font-size:.7rem}.filter-select,.search-input{font-size:.7rem;padding:.3rem}}
/*# sourceMappingURL=main.681057e8.css.map*/