body {
    background: linear-gradient(145deg, #1e1e2f, #252538);
    font-family: 'Segoe UI', sans-serif;
    color: #ffffff;
    margin: 0;
    padding: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.navbar {
    background: rgba(30, 30, 50, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1em 2em;
    margin-bottom: 1em;
    display: flex;
    gap: 1.5em;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.navbar a {
    color: #fff;
    text-decoration: none;
    font-weight: bold;
    transition: 0.3s;
}
.navbar a:hover {
    color: #ff5e5e;
}

.glass-box {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2em;
    width: 90%;
    max-width: 500px;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    text-align: center;
}

input, button {
    padding: 0.6em;
    width: 90%;
    margin: 0.5em 0;
    border-radius: 10px;
    border: none;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1em;
    outline: none;
}

button {
    background: linear-gradient(135deg, #6f00ff, #b400ff);
    cursor: pointer;
    transition: 0.3s;
}
button:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, #b400ff, #ff0066);
}

pre {
    text-align: left;
    background: rgba(0, 0, 0, 0.3);
    padding: 1em;
    border-radius: 10px;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 300px;
    overflow: auto;
}

.error {
    color: #ff4d4d;
}