/* General Styles */
body {
    font-family: "HANBatang","함초롬 바탕","함초롬바탕 LVT","HCR Batang LVT", Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

/* Header Styles */
header {
    padding: 2em 0;
    background-color: #4CAF50;
    color: white;
    text-align: center;
}

h1 {
    font-size: 2.5em;
    margin: 0;
}

/* Navigation Bar */
nav {
    background-color: #3f51b5;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.1);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 15px;
}

.brand-logo {
    font-size: 1.8em;
    font-weight: bold;
    color: white;
    margin: 0; /* Reset default margin */
    padding-left: 10px; /* Space between logo and edge */
    line-height: 56px; /* Ensures vertical alignment */
}
table {
    margin-left: auto;
    margin-right: auto;
    border-collapse: collapse;
    width: 80%;
    background-color: #fff;
    box-shadow: 0px 2px 8px rgba(0,0,0,0.08);
    border-radius: 10px;
    overflow: hidden;
}

th, td {
    padding: 0.75em 1em;
    text-align: center;
    border-bottom: 1px solid #e0e0e0;
}

th {
    background-color: #4CAF50;
    color: white;
    font-weight: 600;
}

tr:last-child td {
    border-bottom: none;
}
#nav-mobile {
    margin: 0;
    padding: 0;
    list-style: none;
}

#nav-mobile li {
    display: inline-block;
    margin: 0;
}

#nav-mobile li a {
    color: white;
    text-decoration: none;
    padding: 15px 20px;
    font-size: 1em;
    font-weight: 500;
    text-transform: uppercase;
    transition: background-color 0.3s ease, color 0.3s ease;
}

#nav-mobile li a:hover {
    background-color: #4CAF50;
    border-radius: 5px;
}

/* Section Styles */
section {
    margin: 1em auto;
    padding: 1em;
    text-align: center;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.1);
    width: 90%;
}

section img {
    width: 150px;
    height: 150px;
    object-fit: cover; /* Ensures the image covers the area without distortion */
}

/* Card Styles */
.card {
    border-radius: 15px;
    box-shadow: 0px 3px 10px rgba(0, 0, 0, 0.1);
    padding: 1.5em;
    margin: 1em 0;
    background-color: #fff;
}

.collection-item {
    font-size: 1.2em;
    margin: 0.5em 0;
}

/* Footer Styles */
footer {
    padding: 1em 0;
    text-align: center;
    background-color: #333;
    color: white;
    margin-top: 2em;
    font-size: 0.7em;
}

/* Utility Styles */
.text-center {
    text-align: center;
}

.hidden {
    display: none;
}

@media screen and (max-width: 600px) {
    h1 {
        font-size: 1.8rem;
    }
    p {
        font-size: 1rem;
    }
    .container {
        padding: 0 10px;
    }
    .card-content {
        padding: 15px;
    }
    .footer p {
        font-size: 0.9rem;
        line-height: 1.4;
    }
}
input::placeholder {
    color: #616161 !important; /* Dark gray */
    opacity: 1; /* Ensures the color is fully applied */
}

input:-ms-input-placeholder { /* For Internet Explorer */
    color: #616161 !important;
}

input::-ms-input-placeholder { /* For Edge */
    color: #616161 !important;
}