h1,
h2,
h3,
h4 {
    color: #01067f;
}

.sidebar {
    min-height: 100vh;
    width: 250px;
    background-color: #343a40;
    padding: 15px;
    color: white;
}

.sidebar h3 {
    text-align: center;
    margin-bottom: 30px;
    color: #ffffff;
}

.sidebar .nav-link {
    color: #cfd8dc;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: #495057;
    color: white;
    border-radius: 5px;
}

.main-content {
    flex: 1;
    padding: 20px;
    background: #f8f9fa;
}

body {
    display: flex;
    background-color: #f8f9fa;
}

.sidebar {
    position: sticky;
    top: 0;
    min-height: 100vh;
    width: 250px;
    background: black;
    padding: 15px;
    color: white;
}

.sidebar h4 {
    text-align: center;
    margin-bottom: 30px;
    color: #ffffff;
}

.sidebar .nav-link {
    color: #cfd8dc;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background-color: #fff;
    color: #343a40;
    border-radius: 5px;
}

.main-content {
    flex: 1;
    padding: 20px;
    overflow-y: scroll;
}

/* ========================== */

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ============================= */
.gallery img,
.gallery video {
    cursor: pointer;
    transition: transform 0.2s;
    height: 300px;
    width: 100%;
    object-fit: contain;
    background: repeating-linear-gradient(90deg, #f0f0f1, #f0f0f0 10px, #e8e8e8 10px, #e8e8e8 20px);
}

.gallery img:hover,
.gallery video:hover {
    transform: scale(1.02);
}