.profile-wrapper {
    background: #f8f9fa;
    padding: 60px 0;
}
.profile-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 30px;
}
.profile-image-wrapper {
    text-align: center;
    margin-bottom: 25px;
}
.profile-image-wrapper img {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid #ffc107;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.profile-name {
    font-size: 24px;
    font-weight: 700;
    color: #2c3e50;
    margin: 15px 0 5px;
    text-align: center;
}
.profile-designation {
    font-size: 16px;
    color: #ffc107;
    font-weight: 600;
    text-align: center;
    margin-bottom: 25px;
}
.contact-box {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}
.contact-box .contact-row {
    display: flex;
    align-items: flex-start;
    margin-bottom: 15px;
    font-size: 14px;
}
.contact-box .contact-row:last-child {
    margin-bottom: 0;
}
.contact-box .contact-row i {
    color: #ffc107;
    font-size: 16px;
    width: 25px;
    margin-right: 10px;
    margin-top: 2px;
}
.social-links-wrapper {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}
.social-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 18px;
    transition: all 0.3s ease;
    text-decoration: none;
}
.social-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}
.social-btn.google { background: #db4437; }
.social-btn.linkedin { background: #0077b5; }
.social-btn.researchgate { background: #00d0af; }
.social-btn.website { background: #6c757d; }
.social-btn.orcid { background: #a6ce39; }

.tab-buttons-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.tab-btn {
    background: #fff;
    border: 2px solid #e0e0e0;
    border-radius: 50px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    color: #555;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.tab-btn:hover {
    border-color: #007bff;
    color: #007bff;
    transform: translateY(-2px);
}
.tab-btn.active {
    background: #28a745;
    border-color: #28a745;
    color: #fff;
}
.tab-btn i {
    font-size: 16px;
}

.content-card {
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    padding: 35px;
    min-height: 400px;
}
.content-card h4 {
    font-size: 22px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid #28a745;
}

.sub-tabs-wrapper {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
}
.sub-tab-btn {
    background: #f8f9fa;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    color: #666;
    cursor: pointer;
    transition: all 0.3s ease;
}
.sub-tab-btn.active {
    background: #007bff;
    color: #fff;
}

.education-table {
    width: 100%;
    margin-top: 20px;
}
.education-row {
    display: grid;
    grid-template-columns: 1fr 2fr 1.5fr 0.8fr;
    gap: 15px;
    padding: 18px;
    border-bottom: 1px solid #e0e0e0;
    transition: all 0.3s ease;
}
.education-row:hover {
    background: #f8f9fa;
}
.education-row:first-child {
    background: #28a745;
    color: #fff;
    font-weight: 700;
    border-radius: 8px 8px 0 0;
}
.education-row:first-child:hover {
    background: #28a745;
}

.experience-card {
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    border-left: 4px solid #28a745;
}
.experience-card h5 {
    font-size: 18px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 8px;
}
.experience-card .institution {
    color: #666;
    font-size: 15px;
    margin-bottom: 5px;
}
.experience-card .duration {
    color: #999;
    font-size: 13px;
    font-weight: 600;
}

.research-list {
    list-style: none;
    padding: 0;
}
.research-list li {
    padding: 15px 20px;
    background: #f8f9fa;
    margin-bottom: 12px;
    border-radius: 8px;
    border-left: 4px solid #28a745;
    font-size: 15px;
    color: #555;
}
.research-list li:before {
    content: "✓";
    color: #28a745;
    font-weight: 700;
    margin-right: 12px;
    font-size: 18px;
}

.no-data-message {
    text-align: center;
    padding: 60px 20px;
    color: #999;
    font-size: 16px;
}

@media (max-width: 768px) {
    .education-row {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    .tab-buttons-wrapper {
        flex-direction: column;
    }
    .tab-btn {
        width: 100%;
        justify-content: center;
    }
}