.topic-card {
    background-color: white;
    border-radius: 15px;
    transition: transform 0.3s ease-in-out;
    min-height: 600px;
    cursor:pointer;
}

    .topic-card:hover {
        transform: translateY(-10px)
    }

.add-topic-btn {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.add-topic-btn, .sec-add-topic-btn {
    border: none;
    text-decoration: none;
    color: white;
    width: 15rem;
}
.sec-add-topic-btn {
    background: white;
    color: #667eea;
}
    .sec-add-topic-btn:hover {
        color: #667eea;
    }

.topic-description {
    color: #718096;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* number of lines */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis
}

.task-start-container {
    position: relative;
}

    .task-start-container::after {
        content: "";
        display: block;
        height: 1px;
        background-color: #e2e8f0;
        width: 90%;
        position: absolute;
        bottom: -1rem;
        left: 0;
        right: 0;
        margin: auto;
    }

.revision-schedule-list {
    padding-left: 0 !important;
}

    .revision-schedule-list li {
        margin-bottom: .5rem;
        padding-inline: 1rem;
        padding-block: 0.5rem;
        background-color: #f7fafc;
    }

.revision-date {
    color: #667eea;
    font-weight: 600;
}
.revision-item.completed-revision .revision-date{
    color:green;
}

.edit-btn, .delete-btn, .btn-quiz {
    min-width: 5rem;
    padding-block: 0.5rem;
    transition: background-color 0.3s ease-in-out;
    text-decoration: none;
    border: none;
}
.btn-quiz {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}
    .btn-quiz:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
        color:white !important;
    }

.delete-btn {
    background-color: #fed7d7;
    color: #c53030 !important;
}

    .delete-btn:hover {
        background-color: #fc8181;
    }

.edit-btn {
    background-color: #667eea;
}

    .edit-btn:hover {
        background-color: #5568d3;
        transform: translateY(-2px);
        transition: all 0.3s ease;
    }

.document-container h3:first-child {
    color: #4a5568;
    font-size: 1rem;
    font-weight:500
}
.pdf-item {
    background-color: #f7fafc;
    border-radius: 8px;
    transition: all 0.2s ease;
    padding-block: 0.5rem;
    padding-inline: 1rem;
}

    .pdf-item:hover {
        background-color: #edf2f7;
    }

.file-info {
    font-size:0.8rem;
}
 .file-name{
     font-size:0.9rem;
 }

.pdf-icon-container {
    background-color: #667eea;
    padding-inline: 8px;
    padding-block:5px;
    display:flex;
    justify-content:center;
    align-items:center;
}

    .pdf-icon-container i {
        color: white;
        /*    background-color:white;*/
    }
.revision-item.completed-revision {
    background-color: #c6f6d5;
    border-left:4px solid #48bb78;
}
.fa-circle-check{
    color:green
}
.revision-item{
    border-radius:10px
}
.doc-delete-btn {
    border: none;
    background-color: #fed7d7;
    color: #c53030;
    border-radius: 5px;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0;
}
.pdf-item:hover .doc-delete-btn{
    opacity:1;
}
.doc-delete-btn:hover {
    background: #fc8181;
    color: white;
    transform: scale(1.1);
}

.empty-state-container{
    background-color:white;
    border-radius:10px;
}
.empty-state-container > p{
    max-width:30.1rem;
    margin-inline:auto;
}
.app-benefits>div>p{
    font-size:0.8rem;
}
.app-benefits > div {
    background-color: #f7fafc;
    border-radius:10px;
    padding-block:1rem;
    max-width:20rem;
    margin-inline:auto;
    padding-inline:0.5rem;
}
.empty-icon-container {
    width: 3rem;
    height: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-inline: auto;
    border-radius: 10px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color:white;
}
.empty-logo-container{
    width:100%;
    max-width:25rem;
    margin-inline:auto;
}
.empty-logo-container img{
    display:block;
    max-width:100%;

}
.option-card {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: block;
    width:calc(100% - 2rem);
    margin-inline:auto;
}
.option-card:hover {
    border-color: #667eea;
    background: #f7fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
}
.modal-icon{
    width:2rem;
    height:2rem;
    background-color:pink;
    display:flex;
    justify-content:center;
    align-items:center;
    border-radius:10px;
    color:white;
}
.md-topic {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.md-file {
    background: #3c91db;
}
.recommended {
    background-color: #c6f6d5;
    display:block;
    padding-inline:0.5rem;
   
    
}
.btn-close {
    background-color: #edf2f7;
}
.modal-description {
    color: #718096;
}