body {
    background-color: #0f172a;
    color: white;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.container {
    background: #1e293b;
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    text-align: center;
    max-width: 450px;
    width: 90%;
}

.input-box {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

input {
    flex: 1;
    padding: 12px;
    border-radius: 10px;
    border: 1px solid #334155;
    background: #0f172a;
    color: white;
    outline: none;
}

button {
    padding: 12px 20px;
    border: none;
    background: #8b5cf6;
    color: white;
    font-weight: bold;
    border-radius: 10px;
    cursor: pointer;
    transition: 0.3s;
}

button:hover {
    background: #7c3aed;
}

.image-box {
    margin-top: 20px;
    min-height: 250px;
    background: #0f172a;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

img {
    max-width: 100%;
    border-radius: 10px;
}

.hidden {
    display: none;
}