/*********************/

/* * Page level * */

/*********************/

*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --brand-bg-color: #007bff;
    --category-bg-color: #6c757d;
    --sub-category-bg-color: #e83e8c;
    --breadcrumb-bg-color: #28a745;
    --h3-color: #17a2b8;
    --footer-color: Gainsboro;
    --last-color: #343a40;
    --brand-height: 40px;
    --item-bg-color: #f8f9fa;
}

body {
    /* padding-top: 75px; */
    font-family: Arial, Helvetica, sans-serif;
    margin: 0px;
}

ul {
    list-style: none;
}

h3 {
    padding-left: 10px;
    color: var(--h3-color);
    margin: 10px;
    font-weight: 400;
}

.container {
    display: flex;
    flex-direction: column;
}

/***************************/

/* * Top bar * */

/***************************/

.topbar {
    display: flex;
    flex-direction: column;
    position: sticky;
}

.topbar .brand {
    height: var(--brand-height);
    background-color: var(--brand-bg-color);
    letter-spacing: 1px;
    display: flex;
    justify-content: space-between;
}

.topbar .brand .left-brand {
    display: flex;
}

.topbar .brand .search {
    padding-top: 4px;
}

.form-control:focus {
    color: #495057;
    background-color: #fff;
    border-color: #17a2b8;
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, .25);
}

.form-control {
    padding: .475rem 0.75rem;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.topbar .brand .logo {
    padding-top: 4px;
    padding-left: 7px;
}

.topbar .brand a,
.topbar .brand a:visited {
    text-decoration: none;
    color: #f8f9fa;
    font-size: 20px;
    line-height: 40px;
    padding-left: 5px;
}

.topbar .brand a:hover {
    text-decoration: none;
}

.topbar .category {
    display: flex;
    flex-direction: row;
    border: 1px solid silver;
    padding: 10px;
    flex-wrap: wrap;
    margin: 0px;
}

.topbar .category li {
    border-radius: 3px;
    padding: 3px;
    margin: 5px;
    color: #fff;
    background-color: var(--category-bg-color);
}

.topbar .category li:hover {
    cursor: pointer;
    background-color: var(--brand-bg-color);
}

.topbar .category .catagory-selected {
    background-color: var(--brand-bg-color);
}

.breadcrumb {
    display: flex;
    padding: 5px;
    margin: 0px;
    background-color: var(--breadcrumb-bg-color);
    color: #fff;
}

.breadcrumb li+li::before {
    content: "/\00a0";
    padding: 5px;
}

.breadcrumb li a {
    text-decoration: none;
    color: #fff;
}

.breadcrumb li a.last {
    text-decoration: none;
    color: var(--last-color);
}

.breadcrumb li a.last:hover {
    cursor: auto;
}

/***************************/

/* * Main area * */

/***************************/

.main {
    display: flex;
    flex-direction: column;
}

.main .sub-category {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    margin: 0px;
}

.main .sub-category li {
    border-radius: 3px;
    padding: 3px;
    margin: 5px;
    color: #fff;
    background-color: var(--sub-category-bg-color);
}

.main .sub-category li:hover {
    cursor: pointer;
    background-color: var(--breadcrumb-bg-color);
}

.main .sub-category .catagory-selected {
    background-color: var(--brand-bg-color);
}

.main .sort {
    display: flex;
    margin: 10px 0px;
    flex-wrap: wrap;
}

button {
    margin: 0;
    cursor: pointer;
    color: #212529;
    background-color: #f8f9fa;
    border-color: #f8f9fa;
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    user-select: none;
    border: 1px solid transparent;
    padding: .200rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
    margin: 0px 10px;
}

button:hover {
    color: #212529;
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

button:active,
.main button:nth-child(2) {
    color: #212529;
    background-color: #dae0e5;
    border-color: #d3d9df;
    background-image: none;
}

button:focus {
    box-shadow: 0 0 0 0.2rem rgba(248, 249, 250, .5);
    outline: 0 !important;
}

.main .items {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    padding: 10px 40px;
    margin: 0px;
    justify-content: center;
}

.main .items li {
    height: 100px;
    width: 500px;
    margin: 5px;
    background-color: var(--item-bg-color);
    color: #212529;
    display: flex;
}

.main .items li:hover {
    cursor: pointer;
    color: #212529;
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

.main .items .image {
    max-width:100px;
    vertical-align: middle;
    padding-top: 5px;
}

.main .items .image img {
    max-width:100%;
    max-height: 100%;
}

.main .items .text {
    padding: 5px 10px;
    line-height: 1.5em;
    overflow: hidden;
    text-overflow: ellipsis;
    width:400px;
}

/***************************/

/* * Footer * */

/***************************/

.footer {
    height: var(--brand-height);
    background-color: var(--brand-bg-color);
    color: #fff;
    padding: 10px;
    width: 100%;
    text-align: right;
}