body {

    margin: 0;

    background: #f5f5f5;

    color: #222;

    font-family: "Segoe UI", sans-serif;
}

.hero {

    height: 320px;

    background-image: url("/static/banner.jpg");

    background-size: cover;

    background-position: center;

    position: relative;
}

.overlay {

    width: 100%;
    height: 100%;

    background: rgba(0,0,0,0.45);

    display: flex;

    flex-direction: column;

    justify-content: center;

    align-items: center;

    color: white;
}

.overlay h1 {

    font-size: 52px;

    margin-bottom: 10px;
}

.overlay p {

    font-size: 18px;

    opacity: 0.9;
}

.container {

    max-width: 900px;

    margin: auto;

    margin-top: 40px;

    background: white;

    padding: 40px;

    border-radius: 12px;

    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

h2 {

    margin-top: 0;
}

input {

    width: 100%;

    padding: 14px;

    font-size: 16px;

    border-radius: 8px;

    border: 1px solid #ccc;

    margin-top: 10px;
}

button {

    margin-top: 15px;

    padding: 12px 24px;

    border: none;

    border-radius: 8px;

    background: #222;

    color: white;

    font-size: 15px;

    cursor: pointer;
}

button:hover {

    background: #444;
}

.result {

    margin-top: 40px;
}

.output {

    margin-top: 15px;

    padding: 20px;

    background: #fafafa;

    border-radius: 8px;

    border: 1px solid #ddd;

    word-break: break-word;
}

footer {

    text-align: center;

    padding: 30px;

    color: #777;
}