.sls-wrapper {
    max-width: 500px;
    margin: 50px auto;
    padding: 30px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    font-family: 'Segoe UI', sans-serif;
    text-align: center;
}

.sls-wrapper h2 {
    font-size: 1.8rem;
    color: #222;
    margin-bottom: 20px;
}

.sls-wrapper input[type="url"],
.sls-wrapper input[type="text"] {
    width: 100%;
    padding: 12px 15px;
    margin: 10px 0;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-size: 1rem;
    transition: 0.3s border;
}
.sls-wrapper input:focus {
    outline: none;
    border-color: #0073aa;
    box-shadow: 0 0 0 2px rgba(0, 115, 170, 0.2);
}

.sls-wrapper button {
    margin-top: 10px;
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    background: linear-gradient(135deg, #0073aa, #00bcd4);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: background 0.3s ease;
}
.sls-wrapper button:hover {
    background: linear-gradient(135deg, #005a87, #00a0b0);
}

#sls-result {
    margin-top: 20px;
    animation: fadeIn 0.4s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Copy button */
#sls-result button:nth-child(3) {
    background: #4caf50;
}
#sls-result button:nth-child(3):hover {
    background: #388e3c;
}

/* Reset button */
#sls-result button:nth-child(4) {
    background: #f44336;
    margin-left: 10px;
}
#sls-result button:nth-child(4):hover {
    background: #d32f2f;
}

@media (max-width: 600px) {
    .sls-wrapper {
        padding: 20px;
    }
    .sls-wrapper h2 {
        font-size: 1.5rem;
    }
}