/* reset default styles for consistency across browsers */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* default body styling */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* main heading styling */
h1 {
    margin-bottom: 30px;
    font-size: 3em;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

/* options container styling */
.options {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    max-width: 400px;
    width: 100%;
    margin: 0 auto 20px auto;
}

/* labels and input styling */
.options label {
    display: flex;
    align-items: center;
    margin: 10px 0;
    font-size: 1em;
}

.options input[type="number"] {
    width: 100%;
    padding: 8px;
    margin-bottom: 15px;
    border-radius: 5px;
    border: none;
    font-size: 1em;
}

/* checkbox styling */
.options input[type="checkbox"] {
    margin-right: 10px;
}

/* generate button styling */
button#generate {
    background-color: #ffcc00;
    color: #333;
    border: none;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.25em;
    font-weight: bold;
    cursor: pointer;
    margin-top: 20px;
    transition: background-color 0.3s;
}

button#generate:hover {
    background-color: #ffdb4d;
}

/* result display styling */
.result {
    background-color: rgba(255, 255, 255, 0.1);
    padding: 20px;
    border-radius: 10px;
    max-width: 500px;
    width: 100%;
    margin: 0 auto;
    word-break: break-all;
}

.result h2 {
    margin-bottom: 10px;
    font-size: 1.5em;
}

/* password container styling */
.password-container {
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-container p {
    margin-right: 10px;
    word-break: break-all;
    flex-grow: 1;
    text-align: center;
    font-size: 1.25em;
}

/* copy button styling */
#copyButton {
    background-color: #ffcc00;
    color: #333;
    border: none;
    padding: 10px 20px;
    border-radius: 50px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s;
}

#copyButton:hover {
    background-color: #ffdb4d;
}

/* hint styling */
.hint {
    font-style: italic;
    color: #ddd;
}

/* footer styling */
footer {
    margin-top: auto;
    padding: 20px 0;
    background-color: rgba(0, 0, 0, 0.1);
}

footer p {
    font-size: 0.9em;
}

footer a {
    color: #ffcc00;
    text-decoration: none;
    margin: 0 5px;
}

footer a:hover {
    text-decoration: underline;
}

/* mobile responsive design */
@media (max-width: 600px) {
    body {
        padding: 10px;
    }

    h1 {
        font-size: 2em;
        margin-bottom: 10px;
    }

    .options, .result {
        padding: 15px;
        font-size: 1em;
    }

    button#generate, #copy {
        width: 100%;
        margin-top: 10px;
    }

    .password-container {
        flex-direction: column;
        align-items: stretch;
    }

    .password-container p {
        margin-bottom: 10px;
        margin-right: 0;
    }
}