:root {
  --main-background: #f5f5f5;
  --main-color: #000000;
  --accent-background: #069;
  --accent-color: #fff;
  --main-width: 1024px;
  --fonts: arial, sans-serif;
}

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

body {
  margin: 0;
  font-family: var(--fonts);
  background-color: var(--main-background);
  /*I recommend trying https://www.fffuel.co/sssquiggly/ or https://heropatterns.com/ */
  /*background-image: url("/background.svg");*/
  background-color: #e6e6e6;
  background-image: url("data:image/svg+xml,%3Csvg width='70' height='70' viewBox='0 0 70 70' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23aaaaaa' fill-opacity='0.06' fill-rule='evenodd'%3E%3Cpath d='M0 0h35v35H0V0zm5 5h25v25H5V5zm5 5h15v15H10V10zm5 5h5v5h-5v-5zM40 5h25v25H40V5zm5 5h15v15H45V10zm5 5h5v5h-5v-5zM70 35H35v35h35V35zm-5 5H40v25h25V40zm-5 5H45v15h15V45zm-5 5h-5v5h5v-5zM30 40H5v25h25V40zm-5 5H10v15h15V45zm-5 5h-5v5h5v-5z'/%3E%3C/g%3E%3C/svg%3E");

  background-repeat: repeat;
  color: var(--main-color);
}
header {
  padding-left: 1rem;
  padding-right: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background-color: var(--accent-background);
  color: var(--accent-color);
  margin: 0;
  min-height: 30px;
  margin-bottom: 1rem;
  top: 0;
  position: sticky;
}
header > * {
  max-width: var(--main-width);
  margin: auto;
  vertical-align: middle;
  color: var(--accent-color);
  background-color: var(--accent-background);
}

main {
  margin: auto;
  max-width: var(--main-width);
  color: var(--main-color);
}

main > * {
  padding: 1rem;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  max-width: var(--main-width);
  background-color: var(--main-background);
  border-radius: 0.5rem;
  border-color: var(--main-color);
}

footer {
  padding-left: 1rem;
  padding-right: 1rem;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  background-color: var(--accent-background);
  color: var(--accent-color);
  margin-top: 1rem;
  min-height: 30px;
  text-align: center;
}
footer > * {
  max-width: var(--main-width);
  margin: auto;
}
footer * {
  color: var(--accent-color);
}
footer a {
  text-decoration: none;
}
footer a:hover {
  text-decoration: underline;
}
main table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--main-color);
}
main th,
main td {
  border: 1px solid var(--main-color);
  padding: 0.5rem;
  text-align: start;
}

input {
  padding: 0.25rem 0.5rem;
  margin-left: 0px;
  min-height: 2rem;
}

button {
  padding: 0.25rem 0.5rem;

  background-color: var(--accent-background);
  color: var(--accent-color);
  border: none;
  border-radius: 0.25rem;
  min-height: 2rem;
}
button:hover {
  cursor: pointer;
}

main h1,
main h2,
main h3,
main h4,
main h5,
main h6 {
  color: var(--accent-background);
}

header a {
  color: var(--accent-color);
}
main a {
  color: var(--accent-background);
  text-decoration: underline;
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
ul li {
  margin-bottom: 0.5rem;
  margin-top: 0.5rem;
}
li a {
  text-decoration: none;
}
li a:hover {
  text-decoration: underline;
}
.flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.language-switcher {
  display: inline-block;
  line-height: 40px;
  vertical-align: middle;
  margin-left: auto;
}
.language-switcher select {
  padding: 5px;
  border: none;
  border-radius: 3px;
  background-color: #fff;
  color: #333;
  vertical-align: middle;
}

.logo {
  height: 40px;
  display: inline-block;
  vertical-align: middle;
}

.logo img {
  height: 100%;
  vertical-align: middle;
  width: auto;
}

.input-form {
  display: grid;
  grid-template-columns: max-content 200px;
  gap: 10px;
  align-items: center;
}
.input-form label {
  text-align: right;
}
.input-form input {
  width: 100%;
  max-width: 200px;
  box-sizing: border-box;
}
.input-form textarea {
  width: 100%;
  max-width: 200px;
  box-sizing: border-box;
  resize: vertical;
}

.hidden {
  display: none;
}