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var(--transition-fast)!important;background-color:#d1d1d1!important;border-radius:12px!important;padding:12px!important}.empty-state-button:not([disabled]){background-color:#333!important}.empty-state-button:not([disabled]):hover{background-color:#000!important}.modal-overlay{z-index:1000;padding:var(--spacing-4);backdrop-filter:blur(4px);background-color:#00000080;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.modal-content{background-color:var(--color-white);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);width:100%;max-width:480px;max-height:90vh;position:relative;overflow-y:auto}.modal-close{top:var(--spacing-4);right:var(--spacing-4);color:var(--color-text-tertiary);cursor:pointer;transition:color var(--transition-fast);z-index:1;background:0 0;border:none;justify-content:center;align-items:center;width:32px;height:32px;padding:0;font-size:32px;line-height:1;display:flex;position:absolute}.modal-close:hover{color:var(--color-text-primary)}.modal-body{padding:var(--spacing-12)var(--spacing-8)var(--spacing-8);text-align:center}.modal-title{font-size:32px;font-weight:var(--font-weight-semibold);letter-spacing:-2px;color:var(--color-text-primary);margin:0 0 var(--spacing-4)0}.modal-subtitle{font-size:var(--font-size-base);color:var(--color-text-secondary);letter-spacing:-1px;margin:0 0 var(--spacing-8)0}.modal-join-button{background-color:var(--color-text-primary)!important;padding:var(--spacing-4)var(--spacing-6)!important;font-size:var(--font-size-base)!important;font-weight:var(--font-weight-semibold)!important;border-radius:var(--radius-lg)!important}.modal-join-button:hover{background-color:var(--color-neutral-700)!important}.modal-footer-text{margin-top:var(--spacing-6);font-size:var(--font-size-sm);letter-spacing:-1px;color:var(--color-text-tertiary);text-align:center}.modal-link{color:var(--color-text-primary);transition:color var(--transition-fast);text-decoration:underline}.modal-link:hover{color:var(--color-primary)}.modal-email-card{align-items:center;gap:var(--spacing-4);padding:var(--spacing-4);background-color:var(--color-neutral-50);border-radius:var(--radius-lg);transition:background-color var(--transition-fast);text-decoration:none;display:flex}.modal-email-card:hover{background-color:var(--color-neutral-100)}.modal-email-icon{background-color:var(--color-primary-light,#dbeafe);width:48px;height:48px;color:var(--color-primary,#2563eb);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.modal-email-label{font-weight:var(--font-weight-medium);color:var(--color-text-primary);text-align:left;margin:0}.modal-email-address{font-size:var(--font-size-sm);color:var(--color-primary,#2563eb);text-align:left;margin:0}.browse-subtitle{font-size:var(--font-size-sm);color:var(--color-text-secondary);margin-top:var(--spacing-1);letter-spacing:-.5px}.browse-controls{gap:var(--spacing-4);margin-bottom:var(--spacing-6);flex-direction:column;display:flex}@media (min-width:768px){.browse-controls{flex-direction:row;justify-content:space-between;align-items:center}}.browse-search-wrapper{flex:1;max-width:400px;position:relative}.browse-search-icon{left:var(--spacing-4);color:var(--color-text-tertiary);font-size:var(--font-size-sm);pointer-events:none;position:absolute;top:50%;transform:translateY(-50%)}.browse-search-input{width:100%;padding:var(--spacing-3)var(--spacing-4)var(--spacing-3)var(--spacing-10);border:1px solid var(--color-border-primary);border-radius:var(--radius-lg);font-size:var(--font-size-sm);background-color:var(--color-white);transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.browse-search-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(var(--color-primary-rgb),.1);outline:none}.browse-search-input::-moz-placeholder{color:var(--color-text-tertiary)}.browse-search-input::placeholder{color:var(--color-text-tertiary)}.browse-filters{gap:var(--spacing-3);flex-wrap:wrap;display:flex}.browse-filter-select{padding:var(--spacing-3)var(--spacing-4);padding-right:var(--spacing-8);border:1px solid var(--color-border-primary);border-radius:var(--radius-lg);font-size:var(--font-size-sm);background-color:var(--color-white);cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right var(--spacing-3)center;min-width:120px;transition:border-color var(--transition-fast)}.browse-filter-select:hover{border-color:var(--color-border-secondary)}.browse-filter-select:focus{border-color:var(--color-primary);outline:none}.classroom-card-badge{top:var(--spacing-3);right:var(--spacing-3);color:var(--color-white);padding:var(--spacing-1)var(--spacing-3);border-radius:var(--radius-full);font-size:11px;font-weight:var(--font-weight-semibold);z-index:1;background-color:#00b0a8;position:absolute}.classroom-card{cursor:pointer;position:relative}.classroom-card-joined{border-color:#c4e7e6}.classroom-card-joined:hover{border-color:#00b0a8}.browse-empty-state{padding:var(--spacing-12)var(--spacing-4);text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex}.browse-empty-text{font-size:var(--font-size-base);color:var(--color-text-secondary);margin:0 0 var(--spacing-4)0}.browse-clear-filters{padding:var(--spacing-2)var(--spacing-4);background-color:var(--color-neutral-100);border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-primary);cursor:pointer;transition:background-color var(--transition-fast);border:none}.browse-clear-filters:hover{background-color:var(--color-neutral-200)}.browse-all-joined-banner{color:#006b65;padding:var(--spacing-3)var(--spacing-4);border-radius:var(--radius-lg);text-align:center;font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);margin-bottom:var(--spacing-6);background-color:#c4e7e6}.browse-error-state{align-items:center;gap:var(--spacing-4);padding:var(--spacing-8);text-align:center;color:var(--color-error);flex-direction:column;display:flex}.browse-retry-button{padding:var(--spacing-2)var(--spacing-6);background-color:var(--color-text-primary);color:var(--color-white);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);cursor:pointer;transition:background-color var(--transition-fast);border:none}.browse-retry-button:hover{background-color:var(--color-neutral-700)}.preview-modal-icon{border-radius:var(--radius-xl);width:64px;height:64px;margin:0 auto var(--spacing-6);color:#00b0a8;background-color:#c4e7e6;justify-content:center;align-items:center;font-size:24px;display:flex}.preview-modal-details{gap:var(--spacing-3);background-color:var(--color-neutral-50);border-radius:var(--radius-lg);padding:var(--spacing-4);margin-bottom:var(--spacing-6);flex-direction:column;display:flex}.preview-modal-detail{justify-content:space-between;align-items:center;display:flex}.preview-modal-label{font-size:var(--font-size-sm);color:var(--color-text-secondary)}.preview-modal-value{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);align-items:center;gap:var(--spacing-2);display:flex}.preview-modal-members-icon{color:var(--color-text-tertiary);font-size:12px}.preview-modal-error{color:var(--color-error);font-size:var(--font-size-sm);margin-bottom:var(--spacing-4)}.sidebar-container{background-color:var(--sidebar);width:256px;height:100vh;transition:width var(--transition-base);flex-direction:column;display:flex}.sidebar-collapsed{width:80px}.sidebar-collapsed .sidebar-bottom-section,.sidebar-collapsed .sidebar-logo-img,.sidebar-collapsed .sidebar-nav,.sidebar-collapsed .sidebar-profile-section{display:none}.sidebar-collapsed .sidebar-logo-section{padding-left:var(--spacing-4);padding-right:var(--spacing-4);justify-content:center}.sidebar-logo-section{justify-content:space-between;align-items:center;gap:var(--spacing-2);padding:var(--spacing-10)var(--spacing-4);display:flex}.sidebar-logo-img{height:16.26px}.sidebar-toggle-button{width:20px;height:20px;color:var(--color-text-tertiary);cursor:pointer;transition:color var(--transition-fast);background:0 0;border:none;justify-content:center;align-items:center;padding:0;display:flex}.sidebar-toggle-button:hover{color:var(--color-text-primary)}.sidebar-toggle-button 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.sidebar-nav-icon{color:var(--color-primary)}.sidebar-nav-icon{width:16px;height:16px}.sidebar-favorite-item{align-items:center;gap:var(--spacing-3);padding:var(--spacing-2)var(--spacing-3);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:-1px;color:var(--color-text-primary);transition:background-color var(--transition-fast);text-decoration:none;display:flex}.sidebar-favorite-item:hover{background-color:var(--color-neutral-100)}.sidebar-favorite-dot{border-radius:var(--radius-full);background-color:var(--color-primary);flex-shrink:0;width:8px;height:8px}.sidebar-favorite-name{text-overflow:ellipsis;white-space:nowrap;font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);overflow:hidden}.sidebar-empty-state{padding:var(--spacing-2)var(--spacing-3);font-size:var(--font-size-xs);color:var(--color-text-tertiary);font-style:italic}.sidebar-bottom-section{padding:var(--spacing-3)var(--spacing-3)var(--spacing-4);border-top:1px solid var(--color-border-primary)}.sidebar-bottom-links{gap:var(--spacing-1);flex-direction:column;display:flex}.sidebar-bottom-link{align-items:center;gap:var(--spacing-3);padding:var(--spacing-2)var(--spacing-3);border-radius:var(--radius-lg);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);letter-spacing:-1px;color:var(--color-text-primary);transition:background-color var(--transition-fast);font-family:inherit;text-decoration:none;display:flex}.sidebar-bottom-link-active{background-color:var(--color-neutral-100)}.sidebar-logout-button{margin-left:var(--spacing-4);color:var(--color-error)!important}.sidebar-bottom-link:hover{background-color:var(--color-neutral-100)}.sidebar-bottom-icon{width:16px;height:16px}.assignment-list-container{background-color:#f6f5f2;border:1px solid #f1f1f1;border-radius:1rem}.assignment-table thead{border-bottom:1px solid #e5e5e5}.assignment-table th{text-align:left;color:#8e8e8e;letter-spacing:.05em;padding:1rem 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var(--transition-fast);cursor:pointer;border-bottom:1px solid #f6f6f2}.assignment-table tbody tr:last-child{border-bottom:none}.assignment-table tbody tr:hover{background-color:#fafafa}.assignment-table td{vertical-align:middle;padding:20px 24px}.status-badge{border-radius:20px;justify-content:center;align-items:center;min-width:90px;padding:6px 16px;font-size:12px;font-weight:600;display:inline-flex}.status-badge-draft{color:#a3a3a3;background-color:#f0f0f0}.status-badge-marking{background-color:var(--color-primary);color:var(--color-white)}.status-badge-complete{background-color:var(--color-secondary);color:var(--color-white)}.status-badge-error{color:#e03e3e;background-color:#ffe5e5}.file-badge-complete{color:#00a099;background-color:#e8f5f4}.file-badge-error{color:#e57373;background-color:#fff0f0}.assignment-name-cell{align-items:center;gap:12px;display:flex}.file-upload-dropzone{padding:var(--spacing-4);text-align:center;transition:all var(--transition-base);background-color:var(--color-white);min-height:250px;max-height:400px;width:var(--width-full);cursor:pointer;border:1px solid #e0e0e0;border-radius:14px;flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}.file-upload-dropzone:hover{border-color:var(--color-neutral-300);background-color:#fafafa}.file-upload-dropzone.is-dragging{border-color:var(--color-primary);background-color:#fff9f6}.file-upload-icon-container{background-color:#fcece4;border-radius:20px;justify-content:center;align-items:center;width:64px;height:64px;margin-bottom:8px;display:flex}.file-upload-icon-container 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