/* Custom CSS for Academic Theme */

:root {
    --primary-color: #e7c6ff;
    --secondary-color: #c8b6ff;
    --success-color: linear-gradient(135deg, white 0%, var(--primary-color) 100%);
    --info-color: #b8c0ff;
    --warning-color: linear-gradient(135deg, white 0%, var(--primary-color) 100%);
    --danger-color: linear-gradient(135deg, white 0%, var(--primary-color) 100%);
    --light-color: #ffd6ff;
    --dark-color: #c8b6ff;
    --dark-text: #5e548e;
}

/* General Styles */
body {
    font-family: Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #c8b6ff;
    background: linear-gradient(135deg, white 0%, var(--primary-color) 100%);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
}

.bg-light {
  background: linear-gradient(135deg, white 0%, #ffd6ff 100%);
  color: var(--info-color);  
}

.bg-dark text-light py-5 mt-5 {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    color: #364652;
}

.bg-primary text-white {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    color: #c8b6ff;
}

.bg-success {
    background: linear-gradient(135deg, white 0%, var(--primary-color) 100%) !important;
}

.bg-warning {
    background: linear-gradient(135deg, white 0%, var(--primary-color) 100%) !important;
}

.py-5{
    color: var(--info-color);
}

/* Misc */

.text-primary{
    color: var(--dark-text) !important;
}

.text-muted{
    color: var(--dark-text) !important;
}

.text-dark{
    color: var(--dark-text) !important;
}

row {
    color: var(--dark-text);
}

.name-titles{
    color: var(--secondary-color);
}

.fw-bold{
    color: var(--dark-text);
}

.lead.mb-4{
    color: var(--info-color);
}

.lead.mb-5{
    color: var(--dark-text);
}

.d-flex.ms-3{
    color: var(--dark-text);
}

.col-md-4{
    color: var(--dark-text);
}

.text-decoration-none{
    color: var(--dark-text);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    position: relative;
    overflow: hidden;
    color: #c8b6ff;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)" /></svg>');
    opacity: 0.3;
}

.hero-section .container {
    position: relative;
    z-index: 1;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    position: relative;
    overflow: hidden;
    color: white;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.navbar-nav .nav-link {
    font-weight: 500;
    padding: 0.75rem 1rem;
    transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
    color: var(--primary-color) !important;
}

.navbar-nav .nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.nav-item{
    color: var(--primary-color);
}

.nav-link{
    color: var(--dark-text);
}


/* Cards */
.card {
    border: none;
    border-radius: 12px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    position: relative;
    overflow: hidden;
    color: #5e548e;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15) !important;
}

.card-title {
    color: #5e548e;
    font-weight: 600;
}

.card-body .card-title .card-text .text-muted .small{
    color: var(--dark-text);
}

/* Person Cards */
.person-card .card-body {
    padding: 2rem;
}

.person-card img {
    border: 4px solid var(--light-color);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.person-card .card-text.text-primary {
    color: var(--dark-text);
}


/* Publication Cards */
.publication-item .card {
    border-left: 4px solid var(--primary-color);
}

.publication-item .card-title a {
    color: var(--dark-text);
    font-weight: 600;
}

.publication-item .card-title a:hover {
    color: white;
}

/* Badges */
.badge {
    font-weight: 500;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    background-color: #b5bec6;
    color: var(--info-color);
}

/* Buttons */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    position: relative;
    overflow: hidden;
    color: var(#c8b6ff);
}

.btn:hover {
    transform: translateY(-2px);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-primary {
    border: 2px solid white;
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    color: var(--primary-color);
    border-color: white
}

.btn-outline-primary {
    border: 2px solid #c8b6ff;
    color: var(--info-color);
    border-color: #c8b6ff;
    background: transparent;
}

.btn-outline-primary:hover {
    background: transparent;
    border-color: #bbd0ff;
    color: #c8b6ff;
}

/* Forms */
.form-control, .form-select {
    background: linear-gradient(135deg, var(--primary-color), #0b5ed7);
    border-radius: 8px;
    border: 2px solid #e9ecef;
    border-color: var(--primary-color); 
    color: white; 
    padding: 0.75rem 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus, .form-select:focus {
    border-color: white;
    background: linear-gradient(135deg, white 0%, #ffd6ff 100%);
    color: var(--secondary-color); 
    box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

/* Search */
search {
    background: linear-gradient(135deg, #0b5ed7 0%, var(--primary-color) 100%);
    position: relative;
    overflow: hidden;
}
#search-input, #sidebar-search {
    border-radius: 25px;
}

/* Footer */
footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
    color: var(--secondary-color);
}

footer a {
    transition: color 0.3s ease;
}

footer a:hover {
    color: var(--primary-color) !important;
}

footer h5{
    color: var(--dark-text);
}


/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-section {
        text-align: center;
    }
    
    .hero-section .display-4 {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .person-card .card-body {
        padding: 1.5rem;
    }
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--light-color);
}

::-webkit-scrollbar-thumb {
    background: var(--secondary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

/* Content Sections */
.content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 1rem 0;
}

.content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1rem;
    margin-left: 0;
    font-style: italic;
    color: var(--secondary-color);
}

.content pre {
    background: var(--light-color);
    padding: 1rem;
    border-radius: 8px;
    overflow-x: auto;
}

.content code {
    background: var(--light-color);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Print Styles */
@media print {
    .navbar, footer, .btn, .badge {
        display: none !important;
    }
    
    .card {
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    
    a {
        color: #bbd0ff !important;
        text-decoration: none !important;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    .card {
        background-color: #2d3748;
        color: #e7c6ff;
    }
    
    .text-muted {
        color: #a0aec0 !important;
    }
}