* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(120deg, #22f009 30%, #ffe6a1 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    width: 100%;
    max-width: 420px;
    background: #ffffff;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #2c3e50;
    font-size: 26px;
}

form {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

label {
    font-size: 14px;
    font-weight: 600;
    color: #555;
}

input[type="text"],
input[type="url"] {
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #ccc;
    font-size: 14px;
    transition: border 0.3s, box-shadow 0.3s;
}

input:focus {
    outline: none;
    border-color: #2ecc71;
    box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.3);
}

input[type="submit"] {
    margin-top: 10px;
    padding: 12px;
    background-color: #2ecc71;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}

input[type="submit"]:hover {
    background-color: #27ae60;
    transform: translateY(-2px);
}

#message {
    margin-top: 10px;
    text-align: center;
    font-size: 14px;
    color: #e74c3c;
}

ul {
    list-style: none;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

li {
    background: #f7f7f7;
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s;
}

li:hover {
    transform: scale(1.02);
}

li a {
    text-decoration: none;
    color: #34495e;
    font-size: 15px;
    font-weight: 600;
    word-break: break-word;
}

li a:hover {
    color: #2ecc71;
}

button {
    background: #e74c3c;
    border: none;
    padding: 8px 10px;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background: #c0392b;
}

@media (max-width: 480px) {
    .container {
        margin: 10px;
        padding: 20px;
    }

    h1 {
        font-size: 22px;
    }
}