body { font-family: 'Courier New', Courier, monospace; background-color: #ffffff; color: #000; display: flex; flex-direction: column; align-items: center; padding: 20px; }
.container { width: 100%; max-width: 600px; border: 2px solid #000; padding: 20px; }
.controls, .settings-panel { margin-bottom: 20px; padding: 15px; border: 1px solid #000; background: #fafafa; }
.control-group { margin-bottom: 10px; display: flex; align-items: center; justify-content: space-between; }
label { font-weight: bold; }
textarea { width: 100%; height: 100px; margin-top: 10px; box-sizing: border-box; font-size: 16px; padding: 8px;}
button { cursor: pointer; padding: 12px; width: 100%; font-weight: bold; font-size: 16px; background-color: #333; color: white; border: none; transition: 0.2s; }
button:hover:not(:disabled) { background-color: #000; }
button:disabled { background-color: #ccc; cursor: not-allowed; }
.settings-panel div { display: flex; align-items: center; margin-bottom: 8px; }
.settings-panel label { width: 140px; }
.settings-panel input { flex-grow: 1; margin: 0 15px; }
.settings-panel span { width: 40px; text-align: right; }

.mode-selector { display: flex; gap: 15px; margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px dashed #ccc; }
.mode-selector label { font-weight: normal; cursor: pointer; }

/* Dialog Styles */
dialog {
    border: 2px solid #000;
    border-radius: 8px;
    padding: 0;
    width: 90%;
    max-width: 500px;
    background-color: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}
dialog::backdrop {
    background: rgba(0, 0, 0, 0.5);
}
.dialog-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #333;
    color: white;
    padding: 10px 15px;
}
.dialog-header h2 {
    margin: 0;
    font-size: 18px;
}
.close-btn {
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: auto;
    line-height: 1;
}
.close-btn:hover:not(:disabled) {
    background: none;
    color: #ffcccc;
}
.dialog-content {
    padding: 15px;
}
#leaderboardTable {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}
#leaderboardTable th, #leaderboardTable td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: center;
}
#leaderboardTable th {
    background-color: #f4f4f4;
}