* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', sans-serif;
}
body {
    background-color: #121212;
    color: #ffffff;
}
header {
    display: flex;
    justify-content: space-between;
    padding: 20px;
    background: #1e1e1e;
    border-bottom: 2px solid #333;
}
button {
    padding: 10px 15px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}
button:hover {
    background: #0056b3;
}
.search-container {
    padding: 40px;
    text-align: center;
}
#searchBar {
    width: 60%;
    padding: 12px;
    border-radius: 25px;
    border: 1px solid #444;
    background: #222;
    color: white;
}
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding: 0 40px;
}
.card {
    background: #1e1e1e;
    padding: 20px;
    border-radius: 8px;
    border: 1px solid #333;
    text-align: center;
}
.hidden {
    display: none !important;
}
#frameDisplay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: black;
    z-index: 999;
}
#appFrame {
    width: 100%;
    height: calc(100% - 50px);
}
.close-btn {
    width: 100%;
    background: #dc3545;
    border-radius: 0;
}