/* General Styles */
body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    max-width: 960px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #1e1e1e;
    border-radius: 8px;
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.1);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: #00bcd4;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    border-bottom: 2px solid #00bcd4;
    padding-bottom: 0.5rem;
    margin-top: 0;
}

h3 {
    font-size: 1.75rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #00bcd4;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Navigation */
nav {
    background-color: #1e1e1e;
    padding: 1rem 0;
    width: 100%;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    text-align: center;
    margin-bottom: 2rem;
}

nav a {
    margin: 0 15px;
    font-size: 1.1rem;
    font-weight: 500;
}

/* Card Lists */
.card-list {
    list-style: none;
    padding: 0;
    column-count: 3;
    column-gap: 20px;
}

.card-list li {
    margin-bottom: 10px;
    font-size: 0.95rem;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #333;
    font-size: 0.9rem;
    color: #888;
}

/* Buttons */
button, .button {
    background-color: #00bcd4;
    color: #121212;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none; /* For 'a' tags styled as buttons */
    display: inline-block; /* For 'a' tags */
    margin-bottom: 1rem;
}

button:hover, .button:hover {
    background-color: #0097a7;
    box-shadow: 0 0 10px rgba(0, 188, 212, 0.5);
}

/* Details/Summary Dropdown */
details {
    border: 1px solid #333;
    border-radius: 5px;
    margin-bottom: 1rem;
    background-color: #2a2a2a;
}

summary {
    padding: 1rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    color: #00bcd4;
}

details[open] summary {
    border-bottom: 1px solid #333;
}

.decklist-content {
    padding: 1rem;
    background-color: #1e1e1e;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
}