/* Оформлення для random-number */
#random-number, .random-number {
    font-size: 2em;
    font-weight: bold;
    text-align: center;
    margin: 10px 0;
    transition: color 0.3s;
}
h1 {
    color: #005bb6;
    text-align: center;
    font-family: 'Arial', sans-serif;
}

h2 {
   margin: 1px;
}

.bg-yellow {
    background-color: #ffeb3b;
}

p.green {
    color: green;
    font-size: 14px;
    font-family: 'Verdana', sans-serif;
}

form#main_form {
    background-color: #acd3ff;
    padding: 20px;
    border-radius: 5px;
    width: 500px;
}

form#main_form input[type="email"] {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    box-sizing: border-box;
    background-color: aquamarine;
}

a, a:visited {
    color: rgb(47, 0, 255);
    text-decoration: none;
}

a:active {
    color: red;
}

a:hover {
    color: orange;
    text-decoration: underline;
}

.box {
    border: 2px solid #000;
    background-color: #f0f0f0;
    padding: 10px;
    margin: 15px;
    width: 500px;
    box-sizing: border-box;
    
}

.inner-box {
    background-color: #ffee00;
}

.outer-box {
    background-color: #00ff15;
    border: 1px dashed #7e7e7e;
    padding: 20px;
}


.flex-container {
    display: flex;
    flex-wrap: wrap;
    flex-direction: row;
    background-color: #afdbff;
}

.flex-item {
    display: flex;
    flex-direction: column;
    background-color: #ffebcf;
    border: 1px solid #ffc400;
    padding: 10px;
    margin: 10px;
    height: auto;
    justify-content: flex-start;
    align-items: stretch;
    flex-basis: calc(33% - 40px);
}

div.flex-item img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
    max-height: 300px;
    object-fit: contain;
    margin: 5px auto;
    cursor: pointer;
}

div.flex-item div {
    display: block;
    background-color: #56a0f5;
    border: 1px solid #000;
    padding: 10px;
    margin: 10px 0 0 0;
    height: auto;
    box-sizing: border-box;
}

div#modal {
    display: none; /* Hidden by default */
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Center the modal */
    background-color: #fff;
    border: 1px solid #000;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    text-align: center;
}

div#modal img {
    max-width: 100%;
    max-height: 90%;
    height: auto;
    display: block;
    margin: 10px 0 0 0;
}

.grid-container {
    display: grid;
    grid-template-columns: 200px 1fr 250px;
    grid-template-rows: 100px auto 1fr 50px;
    min-height: 100vh;
    gap: 10px;
    background-color: #acd3ff;
    padding: 10px;

    grid-template-areas: 
        "header header header"
        "nav nav right"
        "aside content right"
        "footer footer footer";
}

/* Grid areas mapping */
.header {
    grid-area: header;
    background-color: #ffc400;
}
.top-menu {
    grid-area: nav;
        background-color: #ffebcf;
}
.left-menu {
    grid-area: aside;
        background-color: #56a0f5;
}
.content {
    grid-area: content;
        background-color: #fff;
}
.right-menu {
    grid-area: right;
    background-color: #89ffbe;
}
.footer {
    grid-area: footer;
    background-color: #ffc400;
}

.grid-container > * {
    padding: 10px;
}

.top-menu ol {
    display: flex;
    list-style-type: none;
    padding: 0;
    margin: 0;
}

.top-menu ol li {
    margin-right: 10px;
    padding: 10px;
    background-color: burlywood;
    border-radius: 10px;
    cursor: pointer;
    font-weight: bold;
}

.top-menu a:hover {
    color: rgb(255, 255, 255);
    text-decoration: underline;
}



@media (max-width: 768px) {
    .flex-item {
        flex-basis: calc(100% - 30px);
        margin: 10px 10px;
        min-height: 120px;
    }

    h1 {
        margin-top: 1px;
    }

    .grid-container {
        grid-template-columns: 1fr;
        grid-template-rows: 100px auto auto auto auto 50px;
        grid-template-areas: 
            "header"
            "nav"
            "aside"
            "content"
            "right"
            "footer";
    }

    div#modal {
        width: 90%;
    }

}