@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;700&display=swap');
body {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    background-color: #f5f5f5;
    overflow: hidden;
}
.heading {
    font-size: 2em;
    color: #333;
    margin-top: 20px;
}
button {
    cursor: pointer;
    background-color: #9acd32;
    color: #000;
    font-size: 1.2em;
    font-family: 'Inter', sans-serif;
    border: #001f3f solid 2px;
    border-radius: 4px;
}
#header {
    position: relative;
    bottom: 22px;
    background-image: linear-gradient(-45deg, #ff0000, #ff7300, #ffeb00, #00ff00, #00ffff, #0000ff, #7300ff, #ff00eb);
    text-align: center;
}
#header h1 {
    font-size: 2.5em;
    color: #fff5f5;
    margin: 0;
    padding: 20px 0;
}
#menu img {
    width: 65px;
    height: 65px;
    position: absolute;
    left: 10px;
    top: 32px;
}
#menu img:hover {
    filter: brightness(0.8);
}
#menuDropdown {
    position: absolute;
    top: 85px;
    height: 100%;
    width: 180px;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}
#menuDropdown h2 {
    color: #333;
    font-size: 2em;
    margin-bottom: 10px;
}
#menuDropdown.open {
    display: block;
    animation: openDropdown 0.3s linear;
}
#menuDropdown.closed {
    opacity: 0;
    animation: closeDropdown 0.3s linear;
}
#container {
    text-align: center;
}
#container input {
    width: 300px;
    padding: 10px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: 'Inter', sans-serif;
}
#container div {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 30vh;
}
#back {
    position: relative;
    bottom: 80px;
}
@keyframes openDropdown {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}
@keyframes closeDropdown {
    from {
        opacity: 1;
        transform: translateX(0);
    }
    to {
        opacity: 0;
        transform: translateX(-100px);
    }
}
@media (max-width: 700px) {
    #header h1 {
        font-size: 1.5em;
        padding: 10px 0;
    }
    #menu img {
        width: 45px;
        height: 45px;
        left: 5px;
        top: 20px;
    }
    #menuDropdown {
        width: 100vw;
        left: 0;
        top: 70px;
        border-radius: 0;
        padding: 15px;
        font-size: 1em;
    }
    #menuDropdown h2 {
        font-size: 1.2em;
    }
    #container div {
        flex-direction: column;
        height: auto;
        padding: 20px 0;
    }
    body {
        font-size: 1em;
    }
}

@media (max-width: 400px) {
    #header h1 {
        font-size: 1em;
        padding: 5px 0;
    }
    #menu img {
        width: 35px;
        height: 35px;
        left: 2px;
        top: 10px;
    }
    #menuDropdown {
        padding: 8px;
        font-size: 0.9em;
    }
}