* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    font-family: 'Funnel Display', sans-serif;
    height: 100%;
}

body {
    display: flex;
    flex-direction: column; /* Xếp Header, Container, Footer theo hàng dọc */
    min-height: 100vh;      /* Chiều cao tối thiểu bằng 100% khung hình thiết bị */
}

main {
    flex: 1;               /* Chiếm toàn bộ không gian còn trống ở giữa */
    display: flex;         /* Biến main thành môi trường flex để chứa .container */
    flex-direction: column;
}

/* Navigation Bar CSS */

nav {
    display: flex;
    justify-content: center;
    background-color: rgb(40, 43, 63);

}

nav ul {
    list-style: none;
    display: flex;
    gap: 10px;
}

nav ul li a {
    display: block;
    padding: 10px 20px;
    text-decoration: none;
    color: #ffffff;
    font-size: 1.2rem;
    transition: color 0.3s ease, transform 0.3s ease, background-color 0.3s ease;
}

nav ul li a:hover {
    background-color: rgb(29, 31, 46);
    color: #fff;
    transform: translateY(-3px);
}

nav ul li a:active {
    background-color: rgb(29, 31, 46);
    color: #fff;
    transform: translateY(0);
}

/* My Profile CSS */
.container {
    flex: 1;

    display: flex;
    background-image: url('./assets/background.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    justify-content: center;
    align-items: center;
    
}

.container .card {
    background-color: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    padding: 20px 40px;
    border-radius: 10px;
    box-shadow: 0 0 10px 0 rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.container .card .content {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 1px;
}

.container .card .image {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 4px;
}

.container .card .image img {
    width: 230px;
    height: auto;
    object-fit: cover;
    user-select: none;
    transition: all 0.3s ease;
}

.container .card .image img:hover {
    transform: scale(1.02);
}

.container .card .social-links ul{
    display: flex;
    flex-direction: row;
    list-style: none;
    gap: 20px;
}

.container .card .social-links ul li a img {
    width: 60px;
    height: auto;
    object-fit: cover;
    transition: transform 0.3s ease;
    user-select: none;
}

.container .card .social-links ul li a img:hover {
    transform: scale(1.1);
}

.container .card .social-links ul li a img:active {
    transform: scale(0.7);
}


/* Footer */
footer{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 30px;
    background-color: rgb(40, 43, 63);
}

footer p {
    color: white;
}