@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

body {
    font-family: 'Inter', system-ui, sans-serif;
    max-width: 420px;
    margin: 60px auto;
    padding: 20px;
    background: #141414;
    color: #fff;
}
.card {
    background: #1f1f1f;
    padding: 32px 28px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}
h1 {
    text-align: center;
    margin: 0 0 28px;
    font-size: 24px;
    font-weight: 600;
}
input {
    width: 100%;
    padding: 18px 20px;
    margin-bottom: 16px;
    background: #2a2a2a;
    border: 2px solid #333;
    border-radius: 12px;
    color: #fff;
    font-size: 17px;
    font-weight: 500;
    box-sizing: border-box;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
input:focus {
    border-color: #e50914;
    box-shadow: 0 0 0 3px rgba(229, 9, 20, 0.2);
}
input::placeholder {
    color: #888;
}
button {
    width: 100%;
    padding: 16px;
    margin-bottom: 16px;
    background: #e50914;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}
button:hover {
    background: #f40612;
}
#result {
    margin-top: 20px;
    padding: 14px;
    border-radius: 10px;
    font-size: 15px;
    line-height: 1.4;
    text-align: center;
}
pre, code {
    word-break: break-all;
    background: #2a2a2a;
    padding: 12px;
    border-radius: 8px;
    color: #e0e0e0;
    font-family: monospace;
    display: block;
    margin: 10px 0;
    font-size: 14px;
    overflow-x: auto;
}