:root {
    --menu-bg: #D4D1C2;
    --menu-hover: #949288;
    --menu-active: #BBB988;
}

html {
    background: #ECE9D8;
}

body {
    color: #000;
    font-size: 16px;
    margin: 0;
    padding: 0;
}

h1 {
    font-size: 1.8rem;
}

h2 {
    font-size: 1.4rem;
}

h3 {
    font-size: 1.2rem;
}

h4 {
    font-size: 1.1rem;
}

header {
    text-align: center;
}

header .mobile-logo {
    display: none;
    vertical-align: middle;
}

header .menu-handle {
    display: none;
}

nav.main {
    background: var(--menu-bg);
    text-align: center;
    position: sticky;
    top: 0px;
}

nav.main ul {
    display: inline-block;
    list-style: none;
    margin: 0;
    padding: 0;
    z-index: 1;
}

nav.main ul li {
    color: #000;
    display: inline-block;
    margin: 0;
    position: relative;
}

nav.main a {
    color: #000;
    cursor: pointer;
    line-height: 2rem;
    padding: 0.5rem 1rem;
    text-decoration: none;
}

nav.main a.active {
    background: var(--menu-active);
}

nav.main a:hover {
    background: var(--menu-hover);
}

nav.main .drop-down > a:hover {
    background: none;
}

nav.main .drop-down > ul {
    background: var(--menu-bg);
    display: none;
    left: 0;
    position: absolute;
    top: 100%;
}

nav.main .drop-down:hover > ul {
    display: block;
}

nav.main .drop-down > ul li {
    display: block;
}

nav.main .drop-down > ul a {
    display: block;
    padding: 0.1rem 0.5rem;
    white-space: nowrap;
}

section[role=main] {
    margin: 2rem auto;
    max-width: 1200px;
    width: 100%;
}

footer {
    background: var(--menu-bg);
    line-height: 3rem;
    text-align: center;
}

table {
    border: solid 1px #CCA;
    border-collapse: collapse;
    margin-top: 0.5rem;
}

table thead tr {
    background: #AA8;
}

th, td {
    border: solid 1px #CCA;
    padding: 0.1rem 0.5rem;
}

p:before {
    background: url(/img/teknos_j.png) no-repeat;
    content: "";
    display: inline-block;
    height: 20px;
    position: relative;
    top: 0.5rem;
    width: 25px;
}

.book-nav {
    display: flex;
    justify-content: space-evenly;
}

.book-nav h1 {
    display: inline-block;
    margin: 0;
}

code {
    background: #FFF;
    border: solid 1px #AAA;
    display: inline-block;
    margin: 0.5rem 0;
    padding: 0.3rem;
    white-space: pre;
}

.btn {
    background: var(--menu-bg);
    border: solid 1px #888;
    display: inline-block;
    font-size: 1rem;
    margin: 0.3rem;
    padding: 0.3rem 0.5rem;
}

.btn:hover {
    box-shadow: 0 0 3px 0 #000;
}

.btn-text {
    background: transparent;
    border-color: transparent;
    color: #000;
    margin: 0;
    padding: 0;
    text-decoration: none;
}

.btn-text:hover {
    border-bottom: solid 1px #333;
    box-shadow: none;
}

.form {
    border: solid 1px #888;
    display: block;
    max-width: calc(100% - 2rem);
    padding: 1rem;
    width: 30rem;
}

.form h1 {
    font-size: 1.5rem;
    margin: 0;
}

.form label {
    display: block;
    margin-top: 1rem;
}

.form input,
.form textarea {
    display: block;
    width: 100%;
}


.lang {
    
}

.lang-prompt {
    font-weight: bold;
}

.lang-keyword {
    color: #00F;
}

.lang-param {
    font-style: italic;
}

.lang-comment {
    color: #AAA;
    font-style: italic;
}

.lang-operand {
    color: #00F;
}

.lang-bracket {
    color: #00F;
}

.lang-number {
    color: #0A0;
}

.guestbook {
    border: solid 1px #888;
    display: block;
    max-width: calc(100% - 2rem);
    padding: 1rem;
    width: 30rem;
}

.guestbook h1 {
    font-size: 1.5rem;
    margin: 0;
}

.guestbook label {
    display: block;
    margin-top: 1rem;
}

.guestbook input,
.guestbook textarea {
    display: block;
    width: 100%;
}

.guestbook button {
    background: var(--menu-bg);
    border: solid 1px #888;
    display: inline-block;
    font-size: 1.2rem;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
}

.guestbook button:hover {
    box-shadow: 0 0 3px 0 #000;
}

.guestbook-list {
    margin: 1rem 0;
}

.guestbook-list__item {
    border: solid 1px #888;
    margin: 0.5rem 0;
}

.guestbook-list__item-title {
    background: var(--menu-bg);
    padding: 0.3rem 0.5rem;
}

.guestbook-list__item-admin {
    background: #8F8;
    border: solid 1px #0A0;
}

.guestbook-list__item-admin .guestbook-list__item-title {
    background: #060;
    color: #FFF;
}
.guestbook-list__item-spam {
    background: #F88;
    border: solid 1px #A00;
}

.guestbook-list__item-spam .guestbook-list__item-title {
    background: #600;
    color: #FFF;
}

.guestbook-list__item-spam .fa-exclamation-triangle {
    color: #FF0;
    font-size: 1rem;
}

.guestbook-list__item-comment {
    padding: 0.5rem;
}

.guestbook-list__pagination {
    display: inline-block;
    list-style: none;
    margin: 0;
}

.guestbook-list__pagination li {
    display: inline-block;
}

.guestbook-list__pagination a {
    background: var(--menu-bg);
    border: solid 1px #AAA;
    color: #333;
    margin: 0.2rem;
    text-decoration: none;
    padding: 0.3rem;
}

.guestbook-list__pagination a:hover {
    background: var(--menu-active);
}

.guestbook-list__pagination a.active {
    background: var(--menu-active);
}

.keyword-list {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 0.5rem;
}

.keyword-list ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.box {
    border: solid 1px #888;
    display: block;
    max-width: calc(100% - 2rem);
    padding: 1rem;
    width: 20rem;
}

.box h1 {
    font-size: 1.5rem;
    margin: 0;
}

.box label {
    display: block;
    margin-top: 1rem;
}

.box input,
.box textarea {
    display: block;
    width: 100%;
}

.box button {
    background: var(--menu-bg);
    border: solid 1px #888;
    display: inline-block;
    font-size: 1.2rem;
    margin-top: 1rem;
    padding: 0.5rem 1rem;
}

.box button:hover {
    box-shadow: 0 0 3px 0 #000;
}

.login-box,
.registration-box {
    margin: 1rem auto;
}

.hidden {
    display: none;
}

 /* The switch - the box around the slider */
.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

/* Hide default HTML checkbox */
.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

/* The slider */
.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: .4s;
  transition: .4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: .4s;
  transition: .4s;
}

input:checked + .slider {
  background-color: #2196F3;
}

input:focus + .slider {
  box-shadow: 0 0 1px #2196F3;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

/* Rounded sliders */
.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
} 

@media screen and (max-width: 64rem) {
    header {
        background: var(--menu-bg);
        position: sticky;
        left: 0px;
        top: 0px;
        right: 0px;
        z-index: 1;
    }
    
    header .logo {
        display: none;
    }
    
    header .mobile-logo {
        display: inline-block;
        vertical-align: middle;
    }
    
    header h1 {
        display: inline-block;
        margin-right: 3rem;
        vertical-align: middle;
    }
    
    nav.main ul {
        background: none;
        display: none;
    }
    
    nav.main ul.show-menu {
        display: block;
    }
    
    nav.main ul li {
        display: block;
    }
    
    nav.main ul li a {
        display: block;
        font-size: 1.5rem;
        text-align: left;
    }
    
    nav.main .drop-down > ul {
        display: block;
        position: static;
    }
    
    nav.main .drop-down > ul {
        padding-left: 2rem; 
    }
    
    header .menu-handle {
        cursor: pointer;
        display: inline-block;
        font-size: 2rem;
        position: absolute;
        top: 1rem;
        right: 1rem;
    }
    
    img {
        max-width: 100%;
    }
    
    .keyword-list {
        grid-template-columns: repeat(1, 1fr);
    }
    
}

.pagination {
    
}

.pagination a {
    background: var(--menu-bg);
    border: solid 1px #888;
    color: #000;
    display: inline-block;
    font-size: 1.2rem;
    margin-top: 1rem;
    padding: 0.2rem 0.5rem;
    text-decoration: none;
}

.pagination a.disabled {
    color: #AAA;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.text-success {
    color: #0A0;
}
.text-danger {
    color: #A00;
}

.text-inactive {
    color: #AAA;
}

.home-news {
    border-bottom: solid 1px #CCC;
    padding-bottom: 1rem;
}

.home-news > h1 {
    font-size: 1.5rem;
    border-bottom: solid 1px #CCC;
}

.home-news article {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 1rem;
    margin: 0.3rem 0;
    padding: 0.5rem;
}

.home-news article h1 {
    font-size: 1rem;
    margin: 0;
}

.home-news p:before {
    display: none;
}