:root {
  --dark-100: rgb(40, 40, 40, 1);
  --light-100: rgba(204, 204, 204, 1);
  --dark-70: rgb(40, 40, 40, 0.7);
  --light-70: rgba(204, 204, 204, 0.7);
  --dark-50: rgb(40, 40, 40, 0.5);
  --light-50: rgba(204, 204, 204, 0.5);
  --fg-flash-info: rgb(00, 64, 128, 0.7);
  --bg-flash-info: rgb(230, 240, 255, 0.7);
  --fg-flash-success: rgb(224, 255, 224, 0.7);
  --bg-flash-success: rgb(0, 102, 0, 0.7);
  --fg-flash-warning: rgb(255, 224, 224, 0.7);
  --bg-flash-warning: rgb(40, 0, 0, 0.7);
  --fg-flash-error: rgb(255, 248, 224, 0.7);
  --bg-flash-error: rgb(102, 85, 0, 0.7);
  --info-bg: #e6f0ff;
  --info-color: #004080;
  --info-border: #b3d1ff;

  --success-bg: #e6ffea;
  --success-color: #207544;
  --success-border: #a1e2b5;

  --warning-bg: #fff8e1;
  --warning-color: #8a6d00;
  --warning-border: #ffe28a;

  --error-bg: #ffe6e6;
  --error-color: #a00000;
  --error-border: #ffb3b3;
  background-color: var(--dark-100);
  color: var(--light-70);
}

.flash-info {
  background-color: var(--bg-flash-info);
  color: var(--fg-flash-info);
}

.flash-success {
  background-color: var(--bg-flash-success);
  color: var(--fg-flash-success);
}

.flash-warning {
  background-color: var(--bg-flash-warning);
  color: var(--fg-flash-warning);
}

.flash-error {
  background-color: var(--bg-flash-error);
  color: var(--fg-flash-error);
}

.flash {
  position: relative;
  margin: 1em auto;
  padding: 1em 2em 1em 3em;
  border-radius: 5px;
  border-left: 5px solid;
  font-family: sans-serif;
  font-size: 1rem;
  width: fit-content;
  min-width: 300px;
  max-width: 600px;
  opacity: 0;
  animation: fadeIn 0.5s forwards;
  transition: background-color 0.2s, color 0.2s;
}

.flash-info {
  background: var(--info-bg);
  color: var(--info-color);
  border-color: var(--info-border);
}

.flash-success {
  background: var(--success-bg);
  color: var(--success-color);
  border-color: var(--success-border);
}

.flash-warning {
  background: var(--warning-bg);
  color: var(--warning-color);
  border-color: var(--warning-border);
}

.flash-error   {
  background: var(--error-bg);
  color: var(--error-color);
  border-color: var(--error-border);
}

.flash:hover {
  filter: brightness(1.05);
  cursor: pointer;
}

.flash-icon {
  position: absolute;
  left: 0.8em;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.3em;
}

.flash-close {
  position: absolute;
  top: 0.4em;
  right: 0.6em;
  font-size: 2rem;
  color: inherit;
  border: none;
  background: transparent;
  cursor: pointer;
  opacity: 0.6;
}

.flash-close:hover {
  opacity: 1.0;
}

@keyframes fadeIn {
  to { opacity: 1; }
}

@keyframes fadeOut {
  to { opacity: 0; transform: scale(0.95); }
}

hr {
  border-color: var(--light-70);
}

a {
  text-decoration: none;
  font-weight: bold;
  color: var(--light-70);
}

header {
  border-color: var(--light-70);
  font-weight: bold;
}

a:hover {
  background-color: var(--light-100);
  color: var(--dark-100);
}

.menu-horizontal a:hover {
  border-color: var(--light-100);
  background-color: var(--light-100);
  color: rgba(--dark-100);
}

.footer {
  background-color: var(--dark-50);
  border-color: var(--light-70);
  color: var(--light-70);
  font-weight: bold;
}

/*
.form a:hover {
  border: solid 0.1rem rgba(204, 204, 204, 1);
}

.form input:hover {
  background-color: rgba(204, 204, 204, 1);
  color: rgba(40, 40, 40, 1);
  border: solid 0.1rem rgba(204, 204, 204, 1);
}

.menu-vertical {
  display: none;
  bottom: 1.3rem;
}

label div.menu-vertical-background {
  visibility: hidden;
}

.menu-vertical-panel {
  flex: 0.1;
  position: fixed;
  display: flex;
  min-height: 15vh;
  width: 20rem;
  flex-direction: column;
  align-items: center;
  top: 3.2rem;
  left: 0rem;
  transition: left 0.5s ease-in-out;
  background-color: rgba(40, 40, 40, 1);
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  overflow: hidden;
  display: none;
  transition: all 0.5s ease;
}

.menu-vertical-panel a {
  width: 100%;
}

.menu-vertical a:hover {
  border: solid 0.1rem rgba(204, 204, 204, 1);
  background-color: rgba(204, 204, 204, 1);
  color: rgba(40, 40, 40, 1);
}

.menu-vertical svg {
  position: relative;
  top: -1rem;
  width: 3rem;
  height: 3rem;
  margin: auto;
  cursor: pointer;
}

.error {
  display: grid;
  grid-template-columns: 1fr;
  top: 12rem;
  min-width: 90%;
  background-color: rgba(40, 40, 40, 0.5);
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  margin: 1rem auto;
  padding: 1rem;
  color: rgba(204, 204, 204, 0.7);
  font-size: 2rem;
}

#login-content {
  display: grid;
  grid-template-columns: 1fr;
  top: 12rem;
  min-width: 90%;
  background-color: rgba(40, 40, 40, 0.5);
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  margin: 1rem auto;
  padding: 1rem;
}

div.topbar {
  border: solid 1px rgba(204, 204, 204, 0.7);
  color: rgba(204, 204, 204, 0.7);
  height: 3rem;
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
}

.login-form {
  display: grid;
  margin: 0rem;
  grid-template-columns: 3fr 1fr;
  ;
}

.button {
  display: inline-block;
  background-color: rgba(40, 40, 40, 0.5);
  border: solid 0.1vh rgba(204, 204, 204, 0.7);
  color: rgba(204, 204, 204, 0.7);
  padding: 0.3rem;
  font-size: 2rem;
  text-align: center;
  font-weight: bold;
}

.menu-vertical-button {
  border: solid 0.1rem rgba(204, 204, 204, 1);
  background-color: rgba(204, 204, 204, 1);
  color: rgba(40, 40, 40, 1);
  width: 100%;
  overflow: hidden;
}

.input-area {
  display: grid;
  grid-template-columns: 1fr;
}

.button-area {
  display: grid;
  grid-template-columns: 1fr;
}

.menu-button {
  color: rgba(204, 204, 204, 0.7);
}

#menu-checkbox {
  visibility: hidden;
}

#menu-checkbox:checked + .menu-vertical-panel {
  display: flex;
}

#menu-checkbox:checked ~ label .menu-vertical-background {
  display: block;
  content: "";
  position: fixed;
  top: 0rem;
  left: 0rem;
  min-height: 100vh;
  min-width: 100vw;
  background-color: rgba(20, 20, 20, 0.8);
}

.textbox {
  display: block;
  background-color: rgba(40, 40, 40, 0.5);
  border: solid 1px rgba(204, 204, 204, 0.7);
  color: rgba(204, 204, 204, 0.7);
  font-size: 1.5rem;
  font-weight: bold;
  color: rgba(204, 204, 204, 0.7);
}

.content {
  background-color: rgba(40, 40, 40, 0.5);
  color: rgba(204, 204, 204, 0.7);
}

.pagination-container {
  width: 100%;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pagination {
  display: flex;
  align-items: center;
  padding: 1rem, 4rem;
  border-radius: 0.5rem;
}

ul {
  margin: 2rem 2rem;
  padding: 0rem;
}

ul li.pagination-link {
  display: inline-block;
  list-style-type: none;
  margin: 0rem 1rem;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  background-color: rgba(40, 40, 40, 0.5);
  color: rgba(204, 204, 204, 0.7);
  text-align: center;
  text-decoration: none;
  font-size: 2rem;
  font-weight: bold;
  line-height: 4rem;
  cursor: pointer;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

div.pagination-button {
  display: inline-block;
  align-items: center;
  font-size: 4rem;
  font-weight: bold;
  line-height: 4rem;
  width: 4rem;
  height: 4rem;
  border-radius: 50%;
  margin: 0rem 1rem;
  border-radius: 50%;
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  background-color: rgba(40, 40, 40, 0.5);
  color: rgba(204, 204, 204, 0.7);
  text-align: center;
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
  cursor: pointer;
}

ul li:hover, div.pagination-button:hover {
  border: solid 0.5rem rgba(204, 204, 204, 1);
  background-color: rgba(204, 204, 204, 1);
  color: rgba(40, 40, 40, 1);
}

ul li.selected {
  border: solid 0.5rem rgba(204, 204, 204, 0.7);
  background-color: rgba(204, 204, 204, 0.7);
  color: rgba(40, 40, 40, 1);
}

ul li.selected:hover {
  border: solid 0.5rem rgba(204, 204, 204, 1);
  background-color: rgba(204, 204, 204, 1);
  color: rgba(40, 40, 40, 1);
}

@media screen and (max-width: 650px) {
  .menu-vertical {
    display: block;
  }
  .menu-vertical-background {
    display: block;
    visibility: visible;
  }
  .menu-horizontal {
    display: none;
  }
}

*/