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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.header {
    background-color: #ffffff;
    padding: 20px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    display: block;
    margin: 0 auto;
    max-width: 200px;
    height: auto;
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 20px;
}

.protected-content {
    width: 100%;
    max-width: 1200px;
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.welcome-message {
    text-align: center;
    margin-bottom: 30px;
}

.welcome-message h2 {
    color: #333;
    margin-bottom: 20px;
    font-size: 2rem;
}

.camera-container {
    margin-top: 20px;
}

.camera-container iframe {
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.btn {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

.btn-primary {
    background-color: #667eea;
    color: white;
}

.btn-primary:hover {
    background-color: #5568d3;
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
    width: auto;
    padding: 10px 30px;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.hidden {
    display: none !important;
}