:root {
    --nav-height: 40px;
    --off-black-color: rgb(59,53,0);
}

html {
    font-family: "Trebuchet MS", sans-serif;
    overflow-x: hidden;
    scroll-behavior: smooth;
    color: var(--off-black-color);
}

section {
    scroll-margin-top: calc(var(--nav-height) + 10px);
}

.green-background {
    background-color: rgb(134, 167, 136);
    color: rgb(255, 253, 236);
}

.pink-background {
    background-color: rgb(255, 226, 226);
    color: var(--off-black-color);
}

.lower-opacity {
    opacity: 0.8;
}

.pink-background:hover {
    box-shadow: 4px 4px 0 rgba(100, 50, 50, 0.4);
}

body {
    margin: 0;
    border: 0;
}

nav {
    position: sticky;
    top: 0;
    font-weight: bold;
    z-index: 100;
}

nav ul {
    background-color: rgb(255, 207, 207);
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

nav ul li {
    display: inline-block;
    height: fit-content;
}

nav ul li:hover {
    background-color: rgb(255, 226, 226);
}

nav ul li a {
    text-decoration: none;
    color: rgb(79,71,0);
    font-weight: bold;
    text-transform: uppercase;
    padding: 10px 30px;
    display: inline-block;
}

.dennik-tyzden {
    padding: 10px;
    margin: 30px 50px;
    border-radius: 5px;
}

.dennik-tyzden summary {
    cursor: pointer;
}

.dennik-tyzden p {
    background-color: white;
    border-radius: 5px;
    margin: 10px 0 0 0;
    padding: 10px;
}

.bigger-text {
    font-size: 1.3em;
    text-transform: uppercase;
}

.dennik-nazov {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.dennik-nazov button {
    margin: auto 50px;
}

.arrow-button {
    background: none;
    cursor: pointer;
    border: none;
    width: 50px;
    height: 50px;
    text-align: right;
    font-size: 1.5em;
}

.arrow-button .arrow {
    display: inline-block;
    transition: transform 0.2s ease;
}

.arrow-button.active .arrow {
    transform: rotate(-90deg);
}

.dennik-nazov h3 {
    padding: 0 20px;
    margin: 20px 0 10px 0;
    font-family: "Cookie", cursive;
    font-weight: 400;
    font-style: normal;
    font-size: 4em;
}

.dennik-tyzden:first-of-type{
    margin-top: 0;
}

.zdroje {
    padding: 20px;
}

.praca {
    position: relative;
    margin: 50px 0;
}

.praca h3 {
    padding: 20px;
    margin: 0;
    font-size: 2em;
}

.praca p {
    padding: 20px;
    margin: 0;
}

.note {
    font-size: 0.8em;
    padding-left: 10px;
}

.pdf {
    padding: 5px 0 3px 0;
    width: 100px;
    height: 60px;
    cursor: pointer;
    transform: translate(-50%, -50%);
    position: absolute;
    top: 0;
    right: 0;
    text-align: center;
    align-content: center;
    border-radius: 35px;
    box-shadow: 0 8px rgb(128,128,128);
    background-color: rgb(255, 207, 207);
}

.pdf:hover {
    background-color: rgb(255,187,187);
}

.pdf:active {
    background-color: rgb(255,187,187);
    box-shadow: 0 5px rgb(99,99,99);
    transform: translate(-50%, -45%);
  }

.anotacia {
    display: flex;
    align-items: center;
    margin: 30px 10px;
}

.anotacia-nadpis {
    font-weight: bold;
    width: 30%;
    text-align: center;
    font-family: "Cookie", cursive;
    font-weight: 400;
    font-style: normal;
    font-size: 5em;
}

.anotacia-text {
    font-size: 1.2em;
    line-height: 1.3;
    width: 70%;
    text-align: justify;
    border-radius: 15px;
    padding: 20px;
    background: none;
    position: relative;
    z-index: 1;
    outline: 3.5px solid rgb(79,71,0);
    margin: 10px 20px 0 20px;
}


.anotacia-text::before {
    content: "";
    position: absolute;
    top: -15px;
    left: -15px;
    right: 10px;
    bottom: 10px;
    background-color: rgb(255, 226, 226);
    z-index: -1;
    border-radius: inherit;
}

.zadanie {
    padding: 20px;
    line-height: 1.5;
}

.zadanie strong {
    font-size: 1.05em;
}

header {
    position: relative;
    top: 0;
    width: 100%;
    text-align: center;
    font-size: 24px;
    padding: 15px 0;
    background: linear-gradient(rgb(102,140,104), rgb(134, 167, 136) 80%);
    color: rgb(255, 253, 236);
}

header h1 {
    text-shadow: 2px 2px 0 rgb(79,71,0);
}

footer {
    padding: 20px;
    text-align: center;
}

footer a {
    color: rgb(255, 253, 236);
    font-size: 0.8em;
}