:root {
    --primary-color: #2196f3;
    --background-color: #ffffff;
    --text-color: #333333;
    --border-color: #dddddd;
}

[data-theme="dark"] {
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --border-color: #333333;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    transition: background-color 0.3s, color 0.3s;
}

.container {
    max-width: 800px;
    margin: 0 auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.toggle-dark {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    border-radius: 5px;
    color: var(--text-color);
}

.input-group {
    margin-bottom: 20px;
}

textarea {
    width: 100%;
    height: 150px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    background-color: var(--background-color);
    color: var(--text-color);
    resize: vertical;
    font-family: monospace;
}

.button-group {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

button {
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: opacity 0.3s;
}

button:hover {
    opacity: 0.9;
}

.file-input {
    margin-bottom: 20px;
}

#dropZone {
    border: 2px dashed var(--border-color);
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
    border-radius: 5px;
}

#dropZone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(33, 150, 243, 0.1);
}