body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #2c3e50;
    margin-bottom: 30px;
}

.video-container {
    position: relative;
    width: 100%;
    margin-bottom: 20px;
    background-color: #000;
    border-radius: 8px;
    overflow: hidden;
}

video {
    width: 100%;
    display: block;
}

.controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 20px;
}

.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #3498db;
    color: white;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #2980b9;
}

.btn:disabled {
    background-color: #95a5a6;
    cursor: not-allowed;
}

.save-options {
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-top: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input, select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 16px;
}

.status {
    margin-top: 20px;
    padding: 10px;
    border-radius: 5px;
    text-align: center;
}

#startBtn {
    background-color: #2ecc71;
}

#startBtn:hover {
    background-color: #27ae60;
}

#stopBtn {
    background-color: #e74c3c;
}

#stopBtn:hover {
    background-color: #c0392b;
}

#saveBtn {
    background-color: #f39c12;
}

#saveBtn:hover {
    background-color: #d35400;
}

#confirmSaveBtn {
    background-color: #2ecc71;
    width: 100%;
}

#confirmSaveBtn:hover {
    background-color: #27ae60;
}