/* Style of the html, body tags and the container class */
html, body, .container {
  overflow: visible;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
  color: var(--color-font);
}

/* Define light and dark classes */
.theme-light {
  --bu-logo-path: ./assets/uop_blue.png;
  --color-bg: #ffffff;
  --color-font: #000000;
  --color-font-hover: #888888;
  --color-font-active: #ffa300;
  --color-font-visited: #444444;
  --color-font-holiday: #000000;
  --color-font-exam: #000000;
  --color-table-head-bg: #59cbe8;
  --color-table-bg: #e87722;
  --color-table-bg-2: #ffa300;
  --color-table-hl: #ffffe0;
  --color-table-exam: #59cbe8;
}
.theme-dark {
  --bu-logo-path: ./assets/uop_orange.png;
  --color-bg: #003865;
  --color-font: #ffffff;
  --color-font-hover: #888888;
  --color-font-active: #ffa300;
  --color-font-visited: #bbbbbb;
  --color-font-holiday: #000000;
  --color-font-exam: #ffffff;
  --color-table-head-bg: #e87722;
  --color-table-bg: #003865;
  --color-table-bg-2: #0082ba;
  --color-table-hl: #ffffe0;
  --color-table-exam: #e87722;
}

/*********************************************
 * Navigation bar
 *********************************************/
.topnav {
  background-color: var(--color-bg);
}

.topnav a {
  float: left;
  color: var(--color-font);
  text-align: center;
  padding: 10px 10px;
  text-decoration: none;
  font-size: 17px;
  font-family: Noto Sans, Utopia, Libre Baskerville, Oswald, Freight Sans, Open Sans, sans-serif;
  font-weight: bold;
}

.topnav a:visited {
  color: var(--color-font-visited);
}

/*********************************************
 * Header and Footer
 *********************************************/
header {
  position: sticky;
  top: 0;
  height: 40px;
  padding: 0px 0px;
  background-color: var(--color-bg);
}
content {
  height: 100vh;
  overflow-y: scroll;
}
footer {
  position: sticky;
  bottom: 0;
  height: 60px;
  width: 100%;
  background-color: var(--color-table-head-bg);
}
p.copyright {
  position: absolute;
  bottom: 0px;
  right: 16px;
  z-index: 10;
  font-family: Noto Sans, Utopia, Libre Baskerville, Oswald, Freight Sans, Open Sans, sans-serif;
  font-weight: bold;
  color: var(--color-font);
}

p.backtotop {
  position: absolute;
  bottom: 0px;
  width: 100%;
  text-align: center;
  z-index: 10;
  font-family: Noto Sans, Utopia, Libre Baskerville, Oswald, Freight Sans, Open Sans, sans-serif;
  font-weight: bold;
  color: var(--color-font);
}


/* Change a tag colors */
a {
  color: var(--color-font);
}
a:hover {
  color: var(--color-font-hover);
}
a:active {
  color: var(--color-font-active);
}
a:visited {
  color: var(--color-font-visited);
}
.backtotop a:visited {
  color: var(--color-font-font);
}

/* Toogle style */
.themelabel {
  position: absolute;
  top: 2%;
  right: 2%;
  width: 60px;
  height: 30px;
  background: var(--color-table-head-bg);
  border-radius: 100px;
  box-shadow: inset 0px 5px 15px rgba(0, 0, 0, 0.2), inset 0px -5px 15px rgba(1, 1, 1 0.2);
  cursor: pointer;
}
/* Create toogle animation */
.themelabel:after {
  content: "";
  position: absolute;
  top: 2.5px;
  left: 3px;
  width: 25px;
  height: 25px;
  background: linear-gradient(180deg, var(--color-table-bg-2), var(--color-table-bg));
  border-radius: 100px;
  box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.1);
}
#theme:checked + .themelabel:after {
  left: 57px;
  transform: translateX(-100%);
}
.themelabel, .themelabel:after {
  transition: 0.3s;
}

/* Center img tag */
.logo {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  max-height: 75vh;
  margin: auto;
  height: 193px;
}

/* Center h1 tag and fonts*/
.title {
  text-align: center;
  font-weight: bold;
  margin-top: 1.33em;
  margin-bottom: 1.33em;
  font-family: Helvetica, sans-serif, Arial;
}

/* Center h3 tag and fonts*/
.desc {
  text-align: justify;
  text-justify: inter-word;
  font-weight: normal;
  margin-top: 1.em;
  margin-bottom: 1.em;
  font-family: Helvetica, sans-serif, Arial;
  margin-left: auto;
  margin-right: auto;
  max-width: 750%;
  min-width: 640px;
  width: 80%; 
}

/* the tasks class for the table */
.tasks {
  border-collapse: collapse;
  margin: 25px 25px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.9em;
  font-family: sans-serif;
  max-width: 750%;
  min-width: 640px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.15);
  border-radius: 20px;
  overflow: visible;
}

/* table's cells */
.tasks th, .tasks td {
  font-weight: bold;
  padding: 12px 15px;
  text-align: center;
}

/* table's corners */
.tasks thead tr:first-child th:first-child {
  border-top-left-radius: 20px;
  border-right: 1px solid;
}
.tasks thead tr:first-child th:last-child {
  border-top-right-radius: 20px;
  border-left: 1px solid;
}
.tasks tbody tr:last-child td:first-child {
  border-bottom-left-radius: 20px;
}
.tasks tbody tr:last-child td:last-child {
  border-bottom-right-radius: 20px;
}

/* table's head */
.tasks thead tr {
  font-weight: bold;
  background-color: var(--color-table-head-bg);
  text-align: center;
}

/* table's row */
.tasks tbody tr {
  border-top: 1px solid #dddddd;
  background-color: var(--color-table-bg);
}
.tasks tbody tr td:not(:first-child):not(:last-child):not(.holiday):not(.exam) {
  vertical-align:top
}
.tasks tbody tr td:first-child {
  border-right: 1px solid;
  vertical-align: center;
}
.tasks tbody tr td:last-child {
  border-left: 1px solid;
  vertical-align: center;
}
.tasks tbody tr:nth-of-type(even) {
  background-color: var(--color-table-bg-2);
}
.tasks tbody tr.holiday {
  color: var(--color-font-holiday);
  background-color: var(--color-table-hl);
}
.tasks tbody tr td.holiday {
  color: var(--color-font-holiday);
  background-color: var(--color-table-hl);
}
.tasks tbody tr.exam {
  color: var(--color-font-exam);
  background-color: var(--color-table-exam);
}
.tasks tbody tr td.exam {
  color: var(--color-font-exam);
  background-color: var(--color-table-exam);
}
.tasks tbody tr td ul {
  text-align: left;
}