* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    background-color: #1A1A1A;
    display: flex;
    flex-direction: column;
    font-family: Arial, sans-serif;
    color: white;
    font-size: 16px;
}

.main {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    text-align: center;
    width: 100%;
    max-width: 600px;
}

h1 {
    font-size: 28px;
    margin: 0 0 30px 0;
    word-wrap: break-word;
}

form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    align-items: center;
}

input {
    padding: 12px 15px;
    width: 100%;
    max-width: 300px;
    border-radius: 5px;
    border: none;
    font-size: 16px;
}

button {
    padding: 12px 25px;
    border: none;
    border-radius: 5px;
    background-color: #202127;
    color: white;
    cursor: pointer;
    font-size: 16px;
    min-height: 44px;
    transition: background-color 0.3s ease;
}

button:hover {
    background-color: #2a2b32;
}

button:active {
    transform: scale(0.98);
}

.result-box {
    margin-top: 20px;
    padding: 20px;
    background-color: #202127;
    border-radius: 5px;
    word-break: break-all;
    overflow-wrap: break-word;
}

.result-box p {
    margin: 0 0 15px 0;
    font-size: 16px;
}

.copy-button-container {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.footer {
    border-top: 1px solid #3a3b42;
    text-align: center;
    padding: 18px 15px;
    font-size: 14px;
    color: #a9a9b3;
    background-color: #202127;
}

.footer p {
    margin: 4px 0;
    word-wrap: break-word;
}

.sfot {
    text-decoration: none;
    color: white;
    transition: color 0.3s ease;
}

.sfot:hover {
    color: #00BFFF;
}

.shortened-link {
    color: #00BFFF;
    text-decoration: none;
    font-weight: bold;
    word-break: break-all;
    display: inline-block;
    max-width: 100%;
    transition: color 0.3s ease;
}

.shortened-link:hover {
    color: #FFFFFF;
    text-decoration: underline;
}

@media (min-width: 768px) {
    .main {
        padding: 40px 20px;
    }

    h1 {
        font-size: 32px;
    }

    input {
        padding: 12px 15px;
        width: 100%;
        max-width: 400px;
    }

    .copy-button-container {
        flex-direction: row;
        justify-content: center;
        align-items: center;
    }

    .copy-button-container button {
        margin-left: 10px;
    }
}

@media (min-width: 1024px) {
    .main {
        padding: 60px 20px;
    }

    h1 {
        font-size: 36px;
    }

    input {
        padding: 12px 15px;
        width: 100%;
        max-width: 500px;
    }
}