.navbar-custom {
    /* background-color: #256bbb !important; */
    position: absolute;
    z-index: 1;
    width: 100%;

    padding: 15px 0px;
    background: linear-gradient(to top, #EF4900, #FF9100);
    color: white;
}

.navbar-custom .nav-link {
    color: white !important;
}

.menu {
    position: relative;
}

.logo {
    display: flex;
    justify-content: center;
}

.logo img {
    position: absolute;
    top: 24px;
    width: 60px;
    z-index: 999;
}

.logo .dtn {
    margin: -60px;
    padding-right: 105px;
}

.logo .hsv {
    padding-left: 45px;
}

.center-block {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.text-center {
    text-align: center
}

.list-title {
    color: white;
    font-weight: bold;
    font-size: 22px;
    background: url("/img/bg_danhsach.png") no-repeat;
    height: 90px;
    width: 360px;
    padding-top: 15px;
    padding-left: 30px;
}

.list-title-hoinghi {
    background: url("/img/icon_hoinghi.png") no-repeat;
    padding-left: 45px;
    height: 45px;
}

.list-title-tailieu {
    background: url("/img/icon_tailieu.png") no-repeat;
    padding-left: 45px;
    height: 45px;
}

.list-item {
    padding-top: 15px;
    padding-bottom: 15px;
}

.list-item img {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

.list-item p {
    font-size: 16px;
    font-weight: 600;
    color: gray;
    max-width: 240px;
    margin-left: auto;
    margin-right: auto;
    display: block;
    text-align: center;
}

.row-content {
    width: 100%;
}

.row-content h4 {
    color: #007bff;
    font-weight: bold;
}

.flex-container {
    display: flex;
    flex-direction: row;
    justify-content: center;
    padding-top: 30px;
}

.background {
    background-image: url('/img/bg.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.full-height {
    height: 100vh;
    display: flex;
    flex-direction: column;
}

.row-1 {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.row-2 {
    height: 120px;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
}

.logo-text {
    font-size: 18px;
    font-weight: bold;
    color: #d32f2f;
    line-height: 1.5;
}

.login-button {
    width: 100%;
    padding: 10px;
    background: linear-gradient(45deg, #8b1538, #c62828);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer {
    background-color: #EFC4A0;
    color: #992621;
    padding: 20px 0px;
    font-weight: 500;
}

.text-color {
    color: #992621;
}