:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;font-size:14px;color-scheme:light;color:#213547;background-color:#fff;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}#root{width:100%}:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #333333;--text-secondary: #666666;--text-tertiary: #999999;--border-color: #cccccc;--border-light: #dddddd;--hover-bg: #f0f0f0;--shadow: rgba(0, 0, 0, .1)}[data-theme=dark]{--bg-primary: #1a1a1a;--bg-secondary: #2d2d2d;--bg-tertiary: #3a3a3a;--text-primary: #e0e0e0;--text-secondary: #b0b0b0;--text-tertiary: #808080;--border-color: #404040;--border-light: #333333;--hover-bg: #3a3a3a;--shadow: rgba(0, 0, 0, .3)}.App{height:100vh;display:flex;flex-direction:column;overflow:hidden;background-color:var(--bg-primary);color:var(--text-primary)}.mobile-block{width:100vw;height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:2rem;box-sizing:border-box}.mobile-block-content{background:var(--bg-primary);padding:3rem 2rem;border:1px solid var(--border-light);border-radius:8px;text-align:center;max-width:500px;width:100%}.mobile-block-content h1{margin:0 0 1.5rem;font-size:2.5rem;color:var(--text-primary)}.mobile-block-content p{margin:.75rem 0;font-size:1.1rem;color:var(--text-secondary);line-height:1.6}.App-header{text-align:left;padding:.75rem 1rem;border-bottom:2px solid var(--border-color);background-color:#f8f9fa80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);flex-shrink:0;position:relative;z-index:100}.header-content{display:flex;align-items:center;justify-content:space-between;gap:1rem}.App-header h1{margin:0;font-size:1.5rem;line-height:1.2;display:flex;align-items:center;gap:.5rem}.beta-badge{display:inline-block;background-color:#ff9800;color:#fff;font-size:.65rem;font-weight:700;padding:.2rem .5rem;border-radius:4px;letter-spacing:.05em;vertical-align:middle;cursor:pointer}.readme-link{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem 1rem;background-color:#007bff;color:#fff;text-decoration:none;border-radius:6px;font-weight:600;font-size:.95rem;transition:background-color .2s}.readme-link:hover{background-color:#0056b3}.App-main{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden}.App-footer{border-top:2px solid var(--border-light);padding:1rem 2rem;background-color:#f8f9fa80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) 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#f5c6cb;border-radius:6px;box-shadow:0 2px 8px #0003;z-index:100;max-width:600px;text-align:center}.solutions-view{display:flex;width:100%;height:100%;overflow:hidden}.solutions-view .solutions-list{width:350px;flex-shrink:0}.solutions-view .weekly-timetable{flex:1;min-width:0}h1{font-size:1.8rem;line-height:1.2}.file-uploader{max-width:600px;margin:2rem auto;padding:2rem;border:2px dashed #ccc;border-radius:8px;text-align:center}.upload-section{margin:2rem 0}.default-button{background-color:#4caf50;color:#fff;padding:1rem 2rem;border:none;border-radius:4px;font-size:1rem;cursor:pointer;width:100%;margin-bottom:1rem}.default-button:hover:not(:disabled){background-color:#45a049}.default-button:disabled{background-color:#ccc;cursor:not-allowed}.divider{margin:1.5rem 0;color:var(--text-secondary);font-weight:700}.file-input-wrapper{margin-top:1rem}.file-label{display:block;margin-bottom:.5rem;font-weight:700}input[type=file]{width:100%;padding:.5rem;border:1px solid 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h2{margin:0;font-size:1.3rem}.cart-count{color:#666;font-size:.9rem;margin-top:.25rem;margin-bottom:0}.cart-clear-buttons{display:flex;flex-direction:column;gap:.5rem;align-items:flex-end}.cart-clear-secondary{display:flex;gap:.5rem}.cart-clear-btn{padding:.5rem 1rem;background-color:#dc3545;color:#fff;border:none;border-radius:4px;font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color .2s;white-space:nowrap}.cart-clear-btn:hover{background-color:#c82333}.cart-clear-btn:active{background-color:#bd2130}.cart-clear-btn-secondary{padding:.4rem .75rem;background-color:transparent;color:#dc3545;border:1px solid #dc3545;border-radius:4px;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.cart-clear-btn-secondary:hover{background-color:#dc3545;color:#fff}.cart-clear-btn-secondary:active{background-color:#c82333;border-color:#c82333}.cart-content{padding:1rem}.cart-empty{text-align:center;padding:3rem 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.3s;overflow:hidden;margin-bottom:1rem}.course-item.selected{border-color:#4caf50;background-color:#f1f8f4}.course-header{padding:1rem;cursor:pointer;-webkit-user-select:none;user-select:none;display:flex;justify-content:space-between;align-items:center;gap:1rem}.course-header:hover{background-color:#f5f5f5}.course-item.selected .course-header:hover{background-color:#c8ecc3}.course-main-info{display:flex;flex-direction:column;gap:.25rem;flex:1}.course-code-row{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}.course-code{font-weight:700;font-size:1.1rem;color:#1976d2}.cc-time-badge{display:inline-block;background-color:#e3f2fd;color:#1976d2;padding:.2rem .5rem;border-radius:4px;font-size:.8rem;font-weight:500;margin-left:.5rem;white-space:nowrap}.course-title{color:#333;font-size:.95rem}.course-meta{display:flex;align-items:center;gap:1rem;font-size:.85rem;color:#666}.section-count{background-color:#e0e0e0;padding:.25rem .5rem;border-radius:12px}.expand-icon{font-size:.8rem;color:#999}.course-details{padding:1rem;background-color:#fafafa;border-top:1px solid #ddd}.section-selector{margin-bottom:1rem}.section-selector h4{margin-top:0;margin-bottom:.75rem;font-size:.95rem;color:#555}.section-options{display:flex;flex-direction:column;gap:1rem}.section-group{display:flex;flex-wrap:wrap;gap:.5rem}.section-group-header{width:100%;font-size:.9rem;font-weight:600;color:#007bff;padding:.25rem 0;margin-bottom:.25rem;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center}.section-btn-small{padding:.25rem .5rem;border:1px solid #ddd;background-color:#fff;border-radius:4px;font-size:.75rem;cursor:pointer;transition:all .2s;font-weight:500;color:#333}.section-btn-small:hover{background-color:#f0f0f0;border-color:#2196f3}.section-btn-small.active{background-color:#2196f3;color:#fff;border-color:#2196f3}.section-btn{padding:.5rem 1rem;border:2px solid #ddd;background-color:#fff;border-radius:6px;cursor:pointer;transition:all .2s;font-size:.9rem;text-align:left}.section-btn:hover{border-color:#4caf50;background-color:#f1f8f4}.section-btn.active{border-color:#4caf50;background-color:#4caf50;color:#fff}.section-btn-content{display:flex;flex-direction:column;gap:.25rem}.section-name{font-weight:600}.section-instructor{font-size:.8rem;opacity:.9;font-style:italic}.section-btn.active .section-instructor{opacity:1}.term-info{font-size:.9rem;color:#666;margin-top:.5rem}.no-results{text-align:center;padding:3rem;color:#999;font-size:1.1rem}@media(max-width:768px){.course-header{flex-direction:column;align-items:flex-start}.course-meta,.selected-item{width:100%;justify-content:space-between}}[data-theme=dark] .search-box{background-color:#1a1a1acc;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);border-bottom-color:#444}[data-theme=dark] .search-input{background-color:#1a1a1ab3;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);color:var(--text-primary);border-color:var(--border-color)}[data-theme=dark] .search-input:focus{border-color:#66bb6a}[data-theme=dark] .course-item{background-color:var(--bg-secondary);border-color:#555}[data-theme=dark] .course-item .course-header:hover{background-color:#353535;border-color:#666}[data-theme=dark] .course-item.selected{border-color:#66bb6a;background-color:#4caf5033}[data-theme=dark] .course-item.selected .course-header:hover{background-color:#326535}[data-theme=dark] .course-details{background-color:#2a2a2a;border-top-color:#555}[data-theme=dark] .section-selector h4{color:var(--text-primary)}[data-theme=dark] .section-count{background-color:#404040;color:var(--text-primary)}[data-theme=dark] .course-meta{color:var(--text-secondary)}[data-theme=dark] .course-code{color:#90caf9}[data-theme=dark] .cc-time-badge{background-color:#1e3a5f;color:#64b5f6}[data-theme=dark] .course-title{color:var(--text-primary)}[data-theme=dark] .course-term{color:var(--text-secondary)}[data-theme=dark] .section-btn,[data-theme=dark] .section-btn-small{background-color:var(--bg-tertiary);border-color:#555;color:var(--text-primary)}[data-theme=dark] .section-btn-small:hover{background-color:#404040;border-color:#64b5f6}[data-theme=dark] .section-btn-small.active{background-color:#1976d2;color:#fff;border-color:#1976d2}[data-theme=dark] .section-btn:hover{border-color:#66bb6a;background-color:#404040}[data-theme=dark] .section-btn.active{border-color:#66bb6a;background-color:#66bb6a;color:#fff}[data-theme=dark] .section-group-header{color:#64b5f6;border-bottom-color:#555}[data-theme=dark] .term-info{color:var(--text-secondary)}[data-theme=dark] .sections-dropdown{background-color:#2a2a2a;border-color:#555}[data-theme=dark] .section-item{border-color:#444;background-color:var(--bg-secondary)}[data-theme=dark] .section-item:hover{background-color:#353535}[data-theme=dark] .section-item.selected{background-color:#4caf5033}[data-theme=dark] .cart-item{background-color:var(--bg-tertiary);border-color:#555;border-width:1px;border-style:solid}[data-theme=dark] .cart-blockout-item{background-color:#7c3aed26;border-color:#7c3aed}[data-theme=dark] .selector-header{background-color:#1a1a1a80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);border-color:#555}[data-theme=dark] .search-box{background-color:#1a1a1a80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);border-bottom-color:#444}[data-theme=dark] .cart-header{background-color:#1a1a1a80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);border-color:#555}[data-theme=dark] .cart-course-code{color:#90caf9}[data-theme=dark] .cart-course-title,[data-theme=dark] .cart-course-term{color:var(--text-secondary)}[data-theme=dark] .cart-section-name{color:var(--text-primary)}[data-theme=dark] .cart-section-instructor,[data-theme=dark] .cart-count{color:var(--text-secondary)}[data-theme=dark] .cart-empty{color:var(--text-tertiary)}[data-theme=dark] .cart-semester-header{color:#90caf9}[data-theme=dark] .cart-delete-btn{color:#ff6b6b;background-color:transparent}[data-theme=dark] .cart-delete-btn:hover{background-color:#d32f2f;color:#fff}.overload-modal-backdrop{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.overload-modal{background:#fff;border-radius:8px;width:90%;max-width:500px;box-shadow:0 4px 20px #0000004d;padding:1.5rem}.overload-modal-title{margin:0 0 1.5rem;font-size:1.4rem;color:#333}.overload-modal-body{margin:1rem 0 1.5rem}.overload-row{display:flex;align-items:center;margin:1rem 0}.overload-checkbox-label{margin-left:8px}.overload-label{min-width:160px;display:inline-block;font-weight:600;color:#333}.overload-input{width:80px;padding:.6rem;border:1px solid #ddd;border-radius:4px;font-size:.95rem;box-sizing:border-box;transition:border-color .2s}.overload-input:focus{outline:none;border-color:#7c3aed}.overload-input:disabled{background-color:#f5f5f5;cursor:not-allowed;opacity:.6}.overload-error{color:#dc3545;margin-top:.5rem;font-size:.9rem}.overload-modal-actions{display:flex;justify-content:flex-end;gap:1rem;margin-top:1.5rem}.overload-btn-cancel,.overload-btn-save{padding:.7rem 1.5rem;border:none;border-radius:4px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s}.overload-btn-cancel{background-color:#e0e0e0;color:#333}.overload-btn-cancel:hover{background-color:#d0d0d0}.overload-btn-save{background-color:#7c3aed;color:#fff}.overload-btn-save:hover{background-color:#6d28d9}.overload-btn-save:active{background-color:#5b21b6}[data-theme=dark] .overload-modal{background-color:var(--bg-secondary);color:var(--text-primary)}[data-theme=dark] .overload-modal-title,[data-theme=dark] .overload-label{color:var(--text-primary)}[data-theme=dark] .overload-input{background-color:var(--bg-tertiary);color:var(--text-primary);border-color:#555}[data-theme=dark] .overload-input:focus{border-color:#7c3aed}[data-theme=dark] .overload-input:disabled{background-color:#2a2a2a}[data-theme=dark] .overload-btn-cancel{background-color:var(--bg-tertiary);color:var(--text-primary);border:1px solid #555555}[data-theme=dark] .overload-btn-cancel:hover{background-color:#404040}.loading-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.loading-content{background-color:#fff;padding:2rem 3rem;border-radius:8px;text-align:center;box-shadow:0 4px 6px #0000001a}.spinner{border:4px solid #f3f3f3;border-top:4px solid #007bff;border-radius:50%;width:40px;height:40px;animation:spin 1s linear infinite;margin:0 auto 1rem}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-content p{margin:0;color:#333;font-size:1rem}[data-theme=dark] .loading-content{background-color:var(--bg-secondary);color:var(--text-primary)}[data-theme=dark] .loading-content p{color:var(--text-primary)}[data-theme=dark] .spinner{border-color:var(--bg-tertiary);border-top-color:#2196f3}.solutions-list{display:flex;flex-direction:column;height:100%;background-color:#f8f9fa;overflow-y:auto;overflow-x:hidden;position:relative}.solutions-header{padding:1rem;border-bottom:2px solid #dee2e6;background-color:#ffffff80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);position:sticky;top:0;z-index:10}.solutions-header h2{margin:0;font-size:1.25rem;color:#333}.solutions-content{padding:1rem}.solutions-content-split{flex:1;display:flex;flex-direction:column;gap:1rem;padding:1rem;overflow:hidden}.semester-column{flex:1;display:flex;flex-direction:column;min-height:0;overflow:hidden}.semester-column-title{margin:0 0 .75rem;padding:.5rem .75rem;font-size:1.1rem;color:#007bff;background-color:#e7f3ff;border-left:4px solid #007bff;border-radius:4px;flex-shrink:0}.semester-scroll{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding-right:.5rem}.semester-section{margin-bottom:2rem}.semester-section:last-child{margin-bottom:0}.semester-section-title{margin:0 0 1rem;padding:.5rem .75rem;font-size:1.1rem;color:#007bff;background-color:#e7f3ff;border-left:4px solid #007bff;border-radius:4px}.solution-card{background-color:#fff;border:2px solid #dee2e6;border-radius:8px;padding:1rem;margin-bottom:1rem;cursor:pointer;transition:all .2s}.solution-card:hover{border-color:#007bff;box-shadow:0 2px 4px #007bff1a}.solution-card.selected{border-color:#007bff;background-color:#e7f3ff;box-shadow:0 2px 8px #007bff33}.solution-card.disabled{opacity:.5;cursor:not-allowed;background-color:#f8f9fa}.solution-card.disabled:hover{border-color:#dee2e6;box-shadow:none}.plan-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.75rem}.plan-info{display:flex;align-items:center;gap:.4rem}.plan-semesters{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.semester-courses h4{margin:0 0 .5rem;font-size:.95rem;color:#007bff;font-weight:600}.semester-courses ul{list-style:none;padding:0;margin:0}.semester-courses li{padding:.3rem 0;font-size:.9rem;color:#333;white-space:nowrap}.no-lectures-note{margin:0;padding:.25rem 0;font-size:.8rem;color:#666}.solution-card h3{margin:0;font-size:1.1rem;color:#007bff}.plan-course-count{font-size:.85rem;color:#666;font-weight:400}.plan-info-separator{font-size:.85rem;color:#999;font-weight:400}.plan-day-offs{font-size:.85rem;color:#28a745;font-weight:400}[data-theme=dark] .solutions-list{background-color:var(--bg-secondary)}[data-theme=dark] .solutions-header{background-color:#1a1a1a80;backdrop-filter:blur(10px) saturate(180%);-webkit-backdrop-filter:blur(10px) saturate(180%);border-color:#555}[data-theme=dark] .solutions-header h2{color:var(--text-primary)}[data-theme=dark] .solution-card{background-color:var(--bg-tertiary);border-color:#555}[data-theme=dark] .solution-card:hover{border-color:#42a5f5;box-shadow:0 2px 4px #42a5f533}[data-theme=dark] .solution-card.selected{background-color:#2196f340;border-color:#42a5f5;box-shadow:0 2px 8px #42a5f54d}[data-theme=dark] .solution-card.disabled{background-color:#2a2a2a;border-color:#444}[data-theme=dark] .solution-card h3,[data-theme=dark] .semester-courses h4{color:#64b5f6}[data-theme=dark] .semester-courses li{color:var(--text-primary)}[data-theme=dark] .no-lectures-note{color:var(--text-secondary)}[data-theme=dark] .semester-section-title{background-color:#2196f333;color:#64b5f6;border-color:#42a5f5}[data-theme=dark] .plan-item{background-color:var(--bg-tertiary);border-color:#555;border-width:1px}[data-theme=dark] .plan-item:hover{background-color:#404040}[data-theme=dark] .plan-item.selected{background-color:#2196f340;border-color:#42a5f5}[data-theme=dark] .plan-title{color:var(--text-primary)}[data-theme=dark] .plan-course-count{color:var(--text-secondary)}[data-theme=dark] .plan-info-separator{color:#666}[data-theme=dark] .plan-day-offs{color:#66bb6a}[data-theme=dark] .semester-column-title{background-color:#2196f333;color:#64b5f6;border-color:#42a5f5}[data-theme=dark] .plan-course-code{color:#64b5f6}[data-theme=dark] 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.75rem;font-size:1rem;color:var(--text-primary);font-weight:600}.cart-section-header .cart-section-title{margin-bottom:0}.cart-add-blockout-btn{background:#007bff;color:#fff;border:none;border-radius:4px;padding:.4rem .8rem;font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color .2s}.cart-add-blockout-btn:hover{background:#0056b3}.cart-empty-message{margin:0;padding:1rem;text-align:center;color:var(--text-secondary);font-size:.9rem;font-style:italic;background:var(--bg-secondary);border-radius:8px}.cart-courses-list,.cart-blockouts-list{display:flex;flex-direction:column;gap:.75rem}.cart-course-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light)}.cart-course-info{flex:1;min-width:0}.cart-course-code{margin:0 0 .25rem;font-size:1rem;font-weight:600;color:#007bff}.cart-course-title{margin:0 0 .25rem;font-size:.85rem;color:var(--text-primary);line-height:1.3}.cart-course-sections{margin:0;font-size:.85rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cart-course-actions,.mobile-cart-menu .cart-blockout-actions{display:flex;gap:.5rem;align-items:center}.mobile-cart-menu .cart-edit-btn{background:#007bff1a;color:#007bff;border:none;border-radius:4px;padding:.4rem;font-size:1rem;cursor:pointer;min-width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;transition:background-color .2s;flex-shrink:0}.mobile-cart-menu .cart-remove-btn{background:#dc35451a;color:#dc3545;border:none;border-radius:4px;padding:.4rem;font-size:1rem;cursor:pointer;min-width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;transition:background-color .2s;flex-shrink:0}.mobile-cart-menu .cart-remove-btn:hover{background:#dc354533}.mobile-cart-menu .cart-blockout-item{display:flex;align-items:center;justify-content:space-between;padding:.75rem;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border-light);gap:.75rem}.mobile-cart-menu .cart-blockout-info{flex:1;min-width:0}.mobile-cart-menu .cart-blockout-name{margin:0 0 .25rem;font-size:.95rem;font-weight:600;color:var(--text-primary)}.mobile-cart-menu .cart-blockout-details{margin:0 0 .25rem;font-size:.8rem;color:var(--text-secondary)}.mobile-cart-menu .cart-blockout-time{margin:0;font-size:.85rem;color:var(--text-primary)}.mobile-cart-menu .cart-blockout-actions{display:flex;gap:.5rem;flex-shrink:0}.mobile-cart-menu .cart-edit-btn{background:#007bff1a;color:#007bff;border:none;border-radius:4px;padding:.4rem;font-size:1rem;cursor:pointer;min-width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;transition:background-color .2s}.mobile-cart-menu .cart-edit-btn:hover{background:#007bff33}[data-theme=dark] .mobile-cart-header{background-color:#1a1a1a80;border-color:#555}[data-theme=dark] .cart-add-blockout-btn{background:#1976d2}[data-theme=dark] .cart-add-blockout-btn:hover{background:#1565c0}[data-theme=dark] .cart-course-code{color:#64b5f6}[data-theme=dark] .cart-course-item,[data-theme=dark] .mobile-cart-menu .cart-blockout-item{background:var(--bg-tertiary);border-color:#555}[data-theme=dark] .mobile-cart-menu .cart-edit-btn{background:#42a5f533;color:#64b5f6}[data-theme=dark] .mobile-cart-menu .cart-edit-btn:hover{background:#42a5f54d}