body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f4f5;
    margin: 0;
    padding: 20px;
    overflow-y: scroll;
    transition: background-color 0.3s, color 0.3s;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

nav {
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.doodle-bg {
    background-image: url('path/to/doodle-pattern.svg');
    background-size: cover;
}

h1 {
    text-align: center;
    color: #333;
    font-size: 2rem;
    margin-bottom: 20px;
}

input[type="text"],
input[type="file"] {
    width: calc(100% - 22px);
    padding: 10px;
    margin-bottom: 10px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.9);
    color: #333;
    font-size: 0.9rem;
}

input[type="text"]::placeholder {
    color: #aaa;
}

input[type="file"] {
    display: none;
}

label {
    display: block;
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 10px;
    background: rgba(0, 122, 255, 1);
    text-align: center;
    color: #fff;
    cursor: pointer;
    transition: background 0.3s;
}

label:hover {
    background: rgba(0, 100, 220, 1);
}

button {
    padding: 10px;
    width: 100%;
    background-color: #007aff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
}

button:hover {
    background-color: #0051ba;
}

form {
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
    border-radius: 10px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h3 {
    color: #333;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
}