body {
    font-family: 'Segoe UI', Tahoma, sans-serif;
    background: linear-gradient(135deg, #0d47a1, #1976d2);
    color: #fff;
    text-align: center;
    padding-top: 60px;
    margin: 0;
}

.container {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    max-width: 400px;
    margin: auto;
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.logo {
    width: 80px;
    height: auto;
    margin-bottom: 10px;
}

h1 {
    margin: 0;
    font-size: 26px;
    letter-spacing: 1px;
}

p {
    color: #e0e0e0;
}

input[type="url"] {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 5px;
    margin-bottom: 15px;
    font-size: 16px;
}

button {
    background: #ffca28;
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background: #ffd54f;
}

.result {
    background: rgba(0,0,0,0.3);
    padding: 10px;
    border-radius: 5px;
    margin-top: 15px;
}

.error {
    color: #ffcdd2;
}