:root {
    --blue-color: #0366d6;
    --dark-color: #24292e;
    --white-color: 225, 225, 225, .2;
    --light-grey: #e1e4e8;
    --light-text: #586069;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: var(--light-text);
}
* {
    margin: 0;
    padding: 0;
    font-size: 14px;
    box-sizing: border-box;
    line-height: 1.3;
}

img {
    width: 100%;
    border-radius: 50%;
}

section {
    padding: 10px 0;
}

header {
    background: var(--dark-color);
    color: #fff;
    padding: 12px 5px;
    width: 100%;
    /* position: relative; */
}



.flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.container {
    max-width: 1250px;
    margin: 0 auto;
}

header .container.flex .header-nav {
    flex: auto;
}

/* header */
header .search {
    margin-right: 5px;
    position: relative;
}
header .search #search-bar {
    background: transparent;
    border: 1px solid rgba(var(--white-color));
    width: 220px;

}

header .search img {
    width: 15px;
    position: absolute;
    left: 200px;
    top: 5px;
}


.git-img i {
    font-size: 2rem;
}

.git-img i:hover,
#notification:hover {
    cursor: pointer;
    opacity: .7;
}

#notification {
    font-size: 1.5rem;
}

#alert {
    width: 8px;
    height: 8px;
    background: var(--blue-color);
    border-radius: 50px;
    display: inline;
    z-index: 10;
}

header ul li {
    padding: 0 6px;
}

.small-user {
    width: 20px;
    height: 20px;
    background: rgba(var(--white-color));
    border-radius: 50px;
    display: inline-block;
    margin-left: 5px;
}

.user-icon,
.dropdown {
    margin: 0 5px;
}

/* main nav */
.main-nav {
    padding: 20px 0 0;   
}

main hr {
    border:1px solid rgba(225, 228, 232, .3);
}
.main-nav nav {
    width: 90%;
    margin: auto;
    overflow-x: auto;
}

nav .nav-item {
    width: 450px;
    margin: 0 auto;
}

ul li {
    list-style: none;
    display: inline-block;
    font-size: .857rem;
    font-weight: 600;
    padding: 8px 12px;
    cursor: pointer;
}

ul li:hover {
    opacity: .7;
}

ul li#active:hover {
    opacity: 1;
}

nav li {
    font-weight: 400;
}

nav li img {
    border-radius: 0;
    width: 16px;
    height: 14px;
    margin-bottom: -2px;
    display: none;
}

nav .nav-item li#active {
    border-bottom: 1px solid red;
    font-weight: 600;
}

li#active span {
    font-size: 10px;
    font-weight: 400;;
    padding: 2px 6px;
    border-radius: 10px;
    margin-left: 3px;
}

.user {
    padding: 20px 0;
    justify-content: flex-start;
    gap: 10px;
}

#user-img {
    border: 1px solid var(--light-grey);
    border-radius: 100%;
    min-width: 120px;
    width: 20%;
    z-index: 1;
}

/* form */
form {
    border-bottom: 1px solid var(--light-grey);
    padding-bottom: 10px;
    padding-top: 20px;
}

input {
    background: transparent;   
    border: 1px solid var(--light-grey);
    border-radius: 5px;
    font-size: .857rem;   
    
    padding: 4px 12px;
    width: 95%;
}

form input {
    outline-color: var(--blue-color);
}

/* user-found */
.user-found .container.flex {
    align-items: flex-start;
    flex-direction: column;
}

.user-details, .repositories {
    width: 90%;
    margin: 0 auto;
}

/*User details*/ 
.user-details #user-name {
    font-size: 1.5rem;
    color: var(--dark-color)
} 

.user-details #user-login {
    font-size: 1.2rem;
}

.user-details #user-bio {
    font-size: 1rem;
    margin-top: 10px;
}

.github-repo {
    padding: 18px 0;
    border-bottom: 1px solid var(--light-grey);
}

/* repo details */
.repo.flex {
    flex-wrap: nowrap;
    width: 100%;
}

.repo .repo-details {
    max-width: 60%;
}
.repo .star-repo {
    max-width: 30%;
}

.repo .star-repo button {
    padding: 2px 6px;
    border-radius: 5px;
    font-size: .857rem;
    background: #fafbfc;
    border: 1px solid var(--light-grey);
    color: var(--dark-color);
    cursor: pointer;
}

.language-count {
    margin: 10px 0;
    width: fit-content;
    max-width: 60%;
}

.language-count span {
    font-size: .857rem;
    margin-right: 10px;
    padding: 5px 0;
}

.language-count span i {
    color: var(--dark-color);
    cursor: pointer;
}

#repo-link {
    color: var(--blue-color);
}

#repo-link a {
    font-size: 1.2rem;
    color: inherit;
    text-decoration: none;
}
#repo-link:hover {
    cursor: pointer;
    text-decoration: underline;
}

#repo-description {
    font-size: 14px;
}

#repo-lang-color {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 1px solid rgba(var(--white-color));
    border-radius: 50%;
}

@media(max-width: 767px) {
    #bar {
        font-size: 1.6rem;
    }

    header .container.flex {
        width: 100%;
        position: relative;
    }

    header .flex-item {
        width: 33%;
    }

    header ul.center-nav-item {
        padding: 15px 0 0;
    }
    header ul li {
        width: 100%;
        padding: 10px 5px;
        border-bottom: 1px solid rgba(var(--white-color));
    }

    header .search {
        margin-top: 15px;   
    }

    header .search img {
        left: 90%;
    }

    .center-nav,
    .left-nav {
        display: none; 
    }

    .dropdown.flex {
        flex-direction: column;
        align-items: flex-start;
        margin-top: 7px;
    }

    .dropdown .fa-sort-down,
    .dropdown #plus {
        display: none;
    }

    header .search #search-bar {
        width: 100%;
    }

    #notification {
        position: absolute;
        top: 15px;
        left: 92%;
        overflow-x: hidden;
        width: auto;
    }

    #alert {
        position: absolute;
        top: 12px;
        right: 4%;
    }

    .header-nav {
        width: 65%;
    }

    .block-display {
        display: block;
    }
}

@media (min-width: 768px) {

    #bar, 
    .hide-display {
        display: none;
    }

    header {
        position: relative;
    }

    header .search {
        padding-top: 0;
        margin-left: 10px;
    }

    .center-nav,
    .left-nav {
        display: flex; 
    }

    #notification, 
    #alert {
        position: absolute;
        right: 100px;
        top: 15px;
    }

    #alert {
        top: 12px;
    }

    .left-nav {
        order: 2;    
    }

    .main-nav nav {
        width: 60%;
        margin: auto;
    }

    nav .nav-item {
        max-width: 450px;
    }
    nav li img {
        display: inline-block;
    }

    .user-found .container.flex {
        flex-direction: row;
        justify-content: space-around;
    }

    .user-found .user-details {
        width: 20%;
        margin-top: -40px;
    }

    .user {
        padding: 0;
    }

    .user-found .repositories {
        width: 65%;
    }

    #user-img {
        width: 260px;
        height: 100%;
    }

    .language-count {
        max-width: 300px;
    }
}

@media (min-width: 812px) {
    header {
        padding: 12px 22px;
    }
}