body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: linear-gradient(to bottom, #180220, #000000);
    position: relative;
}

body::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noise"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.65" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%" height="100%" filter="url(%23noise)" opacity="0.1"/%3E%3C/svg%3E');
    opacity: 0.15;
    pointer-events: none;
}

.container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

h1 {
    color: white;
    font-family: Arial, sans-serif;
    font-size: 2.5rem;
    margin-bottom: 2rem;
}

input {
    padding: 12px 20px;
    font-size: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    width: 300px;
    max-width: 80%;
    outline: none;
    transition: all 0.3s ease;
}

input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

input:focus {
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

#response {
    color: white;
    margin-top: 1rem;
    font-family: Arial, sans-serif;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#response.visible {
    opacity: 1;
}

.hidden {
    display: none;
}