/* Dark Theme Adaptation for tools.html */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: #121212; /* Match MUI dark theme background */
    color: #e0e0e0; /* Light text color for dark background */
    margin: 20px;
    line-height: 1.6;
}

h1, h2 {
    color: #ffffff;
    border-bottom: 2px solid #424242; /* Darker border */
    padding-bottom: 10px;
}

.container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.card {
    background-color: #1e1e1e; /* Darker card background */
    border: 1px solid #424242; /* Subtle border */
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.card h3 {
    margin-top: 0;
    color: #bb86fc; /* A nice accent color for dark theme */
}

input[type="file"], textarea {
    width: 100%;
    padding: 8px;
    margin-top: 10px;
    border-radius: 4px;
    border: 1px solid #555;
    background-color: #333;
    color: #e0e0e0;
}

button {
    background-color: #3700b3; /* MUI dark theme primary-like color */
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #6200ee;
}

button:disabled {
    background-color: #444;
    cursor: not-allowed;
}

.progress-container, .result-container {
    margin-top: 15px;
    background-color: #2c2c2c;
    padding: 15px;
    border-radius: 4px;
}

.progress-bar {
    width: 100%;
    background-color: #444;
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar-inner {
    height: 20px;
    width: 0%;
    background-color: #03dac6; /* Accent color for progress */
    text-align: center;
    line-height: 20px;
    color: black;
    transition: width 0.4s ease;
}

#translation-preview {
    white-space: pre-wrap;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid #555;
    padding: 10px;
    margin-top: 10px;
    background-color: #333;
}