body, html {
    height: 100%; margin: 0; display: flex; flex-direction: column;
    justify-content: center; align-items: center; background-color: #121212;
    color: #e0e0e0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
#main-content {
    position: relative;
    width: 640px;
    height: 480px;
}
#video-container {
    position: relative; width: 100%; height: 100%; border-radius: 10px;
    overflow: hidden; box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}
video, canvas {
    position: absolute; top: 0; left: 0;
    width: 100%; height: 100%; transform: scaleX(-1);
}
#status-container {
    width: 640px; text-align: center; margin-top: 10px;
}
#status { font-size: 1.8em; font-weight: bold; color: #4CAF50; }
#timer { font-size: 1.5em; color: #FFA500; margin-top: 10px; }
#pattern-display {
    font-size: 2em; font-family: 'Courier New', Courier, monospace;
    color: #39FF14; margin-top: 15px; min-height: 2.5em;
    letter-spacing: 0.1em; word-wrap: break-word; white-space: pre-wrap;
}
#translation-display {
    font-size: 2.2em; font-family: 'Georgia', 'Times New Roman', Times, serif;
    color: #00FFFF; margin-top: 10px; min-height: 2.5em; font-weight: bold;
}
#error { font-size: 1em; color: #FF4747; margin-top: 10px; }

/* --- Controls Container & Toggle Switch Styles --- */
#controls-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 25px; /* Space between controls */
    margin-top: 20px;
}
#toggle-cheat-sheet {
    background-color: #333; color: #e0e0e0; border: 1px solid #555;
    border-radius: 5px; padding: 8px 15px; font-size: 0.9em; cursor: pointer;
}
.toggle-switch { display: flex; align-items: center; }
.toggle-switch label { margin-left: 8px; cursor: pointer; font-size: 0.9em; user-select: none; }
.toggle-switch input[type="checkbox"] {
    appearance: none; -webkit-appearance: none;
    width: 40px; height: 20px; background-color: #555;
    border-radius: 10px; position: relative; cursor: pointer;
    outline: none; transition: background-color 0.3s;
}
.toggle-switch input[type="checkbox"]::before {
    content: ''; position: absolute; width: 16px; height: 16px;
    border-radius: 50%; background-color: #e0e0e0;
    top: 2px; left: 2px; transition: transform 0.3s;
}
.toggle-switch input[type="checkbox"]:checked { background-color: #39FF14; }
.toggle-switch input[type="checkbox"]:checked::before { transform: translateX(20px); }

/* Cheat Sheet Styles */
#cheat-sheet {
    position: absolute; bottom: 0; left: 0; width: 100%; box-sizing: border-box;
    background-color: rgba(26, 26, 26, 0.9); border-top: 2px solid #39FF14;
    border-radius: 0 0 10px 10px; padding: 15px; visibility: hidden; opacity: 0;
    transform: translateY(100%); transition: transform 0.4s ease-out, opacity 0.4s ease-out, visibility 0.4s;
}
#cheat-sheet.visible { visibility: visible; opacity: 1; transform: translateY(0); }
#cheat-sheet-content { display: flex; justify-content: center; font-family: 'Courier New', Courier, monospace; font-size: 1.1em; }
.cheat-sheet-column { flex: 1; padding: 0 20px; text-align: left; }
.cheat-sheet-column strong { color: #FFA500; }
.cheat-sheet-column span { color: #39FF14; }

footer {
    width: 640px; 
    margin-top: 5px; 
    padding-top: 5px; 
    border-top: 1px solid #444; 
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px; 
}

.footer-link {
    color: #a0a0a0; 
    text-decoration: none;
    font-size: 1em;
    display: inline-flex;
    align-items: center;
    transition: color 0.3s;
}

.footer-link:hover {
    color: #ff14ccc9;
}