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

body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.container {
    background-color: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 400px;
}

h1 {
    color: #333;
    margin-bottom: 30px;
}

.controls {
    display: flex;
    justify-content: space-around;
    margin-bottom: 30px;
}

.btn {
    width: 120px;
    height: 50px;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-forward {
    background-color: #4CAF50;
    color: white;
}

.btn-backward {
    background-color: #f44336;
    color: white;
}

.btn-record {
    background-color: #ff9800;
    color: white;
}

.btn-playback {
    background-color: #2196f3;
    color: white;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.status {
    margin-top: 20px;
    padding: 10px;
    background-color: #f5f5f5;
    border-radius: 5px;
    min-height: 40px;
}

.status p {
    color: #666;
}