/* stem.css */
body {
    background-color: #f9f9f9;
    transition: background-color 0.3s, color 0.3s;
}

a,
.card a {
    text-decoration: none;
}

a:hover,
.card a:hover {
    text-decoration: underline;
}

#categoryFilter {
    margin-bottom: 1rem;
}

#searchBtn,
#topBtn {
    z-index: 999;
}

#mainNavbar {
    transition: top 0.3s;
    /* Glass effect with blur and transparency */
    background-color: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
    .feed-wrapper {
        max-width: 800px;
        margin: 0 auto;
        padding-top: 50px; /* Reduced from 200px to 120px */
    }
}

/* Mobile devices need more padding due to collapsed navbar */
@media (max-width: 767px) {
    .feed-wrapper {
        padding-top: 40px; /* Reduced from 180px to 100px */
    }
}

/* 🌙 Dark Mode */
body.dark-mode {
    background-color: #121212;
    color: #f1f1f1;
}

body.dark-mode .navbar {
    background-color: rgba(33, 33, 33, 0.8) !important;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

body.dark-mode .form-control {
    background-color: #1e1e1e;
    color: #f1f1f1;
    border-color: #333;
}

body.dark-mode .form-control::placeholder {
    color: #bbb;
}

body.dark-mode .card {
    background-color: #1f1f1f;
    color: #f1f1f1;
}

body.dark-mode .card a {
    color: #cce7ff;
}

body.dark-mode .btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

body.dark-mode .btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}