:root {
    --bg: #0f172a;
    --card: rgba(255, 255, 255, 0.05);
    --text: #6a7c91;
    --accent: #3b82f6;
    --hover: rgba(255, 255, 255, 0.1);
    --accent-dark: #07419e;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 30px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    text-align: center;
    align-items: center;
    user-select: none;
    -webkit-user-select: none; /* For older WebKit browsers (Safari, Chrome) */
    -moz-user-select: none;    /* For older Firefox */
    -ms-user-select: none;     /* For older Internet Explorer/Edge */
}

h1 {
    margin-bottom: 40px;
}

#drop-zone {
    border: 3px dashed var(--accent);
    width: 60%;
    padding: 60px;
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    margin-bottom: 60px;
    transition: background 0.2s;
}

#drop-zone.dragover {
    background: var(--accent-dark);
    color: var(--text);
}

#file-name {
    margin-bottom: 20px;
    font-weight: bold;
}

button {
    background: var(--accent-dark);
    color: white;
    max-width: 300px;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 10px;
    border-style: none;
    cursor: pointer;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, background 0.3s ease;
}

button:hover {
    background: var(--accent);
    transform: translateY(-6px);
}

#download-link {
    display: block;
    margin-top: 50px;
    font-size: 16px;
    color: var(--text);
    background: green;
    border-radius: 10px;
    padding: 10px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, background 0.3s ease;
}

#download-link:hover {
    background: lightseagreen;
    transform: translateY(-6px);
}

.rc-disclaimer {
    margin-top: 250px;
    font-size: 1.2vmin;
    color: var(--text);
    max-width: 300px;
}