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

body {
    font-family: 'Arial', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.background-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    z-index: 1;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    text-align: center;
    max-width: 600px;
    width: 100%;
    backdrop-filter: blur(10px);
    position: relative;
    z-index: 2;
}

h1 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 2.2rem;
    font-weight: bold;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Responsive design */
@media (max-width: 768px) {
    .container {
        padding: 2rem;
        margin: 1rem;
        max-width: 90%;
    }
    
    h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem;
    }
    
    h1 {
        font-size: 1.5rem;
    }
}

/* Pattern lock embedded in welcome page */
.container .pattern-overlay {
    margin-top: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container .pattern-box {
    background: transparent;
    box-shadow: none;
    border: none;
    padding: 0;
    max-width: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.container .pattern-box h2 {
    color: #667eea;
    margin-bottom: 2rem;
    text-align: center;
}

.container .pattern-container {
    margin: 0 auto;
}