body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    height: 100vh;
}

.container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.card {
    background: white;
    padding: 30px;
    border-radius: 20px;
    width: 90%;
    max-width: 420px;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0,0,0,0.2);
    animation: fadeIn 0.6s ease;
}

h1 {
    margin-bottom: 10px;
}

p {
    color: #555;
}

.lang-switcher {
    position: absolute;
    top: 20px;
    right: 20px;
}

select {
    padding: 8px;
    border-radius: 8px;
    border: 1px solid #ccc;
}

/* Drag & Drop */
#drop-area {
    border: 2px dashed #667eea;
    border-radius: 15px;
    padding: 20px;
    margin: 20px 0;
    transition: 0.3s;
    cursor: pointer;
}

#drop-area.hover {
    background: #f0f4ff;
    border-color: #5a67d8;
}

#drop-area button {
    margin-top: 10px;
    background: transparent;
    border: none;
    color: #667eea;
    font-weight: bold;
    cursor: pointer;
}

/* Button */
#btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 12px;
    background: #667eea;
    color: white;
    font-weight: bold;
    margin-top: 15px;
    cursor: pointer;
    transition: 0.3s;
}

#btn:hover {
    background: #5a67d8;
}

/* Progress */
.progress {
    width: 100%;
    height: 6px;
    background: #eee;
    border-radius: 10px;
    margin-top: 15px;
}

#progress-bar {
    height: 100%;
    width: 0%;
    background: #667eea;
    border-radius: 10px;
    transition: 0.3s;
}

/* Result */
#result {
    margin-top: 20px;
    display: none;
    animation: fadeIn 0.5s ease;
}

audio {
    width: 100%;
    margin-bottom: 10px;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}