:root {
  --red: #e74c3c;
  --orange: #f39c12;
  --yellow: #f1c40f;
  --green: #27ae60;
  --teal: #1abc9c;
  --blue: #3498db;
  --purple: #9b59b6;
  --pink: #e84393;
  --bg: #141414;
  --card: #1e1e1e;
  --field: #181818;
  --text: #e4e7e9;
  --white: #f1f1f1;
  --muted: #b8bec2;
  --rb-red: #b03a2e;
  --rb-orange: #c27c0e;
  --rb-yellow: #b7950b;
  --rb-green: #1e8449;
  --rb-teal: #148f77;
  --rb-blue: #2874a6;
  --rb-purple: #7d3c98;
  --rb-pink: #b0306f;
  --rainbow: linear-gradient(90deg, var(--rb-red), var(--rb-orange), var(--rb-yellow), var(--rb-green), var(--rb-teal), var(--rb-blue), var(--rb-purple), var(--rb-pink), var(--rb-red));
  --wbo-background: var(--bg);
  --wbo-surface: var(--card);
  --wbo-border: #ffffff26;
  --wbo-accent: #148f77;
  --wbo-accent-strong: #0e6b59;
  --wbo-focus-shadow: 0 0 0 2px var(--teal);
  --wbo-shadow-sm: none;
}

@keyframes drift {
  50% { background-position: 100% 50%; }
}

@keyframes flow {
  to { background-position: 200% 0; }
}

html {
  background: var(--bg);
  font-size: 16px;
  font-weight: 400;
  font-family: "Segoe UI", "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
}

body {
  color: var(--text);
  font: 18px/1.5 "Segoe UI", "DejaVu Sans", "Liberation Sans", Arial, sans-serif;
  background: var(--bg) fixed linear-gradient(120deg, #e843931a, #f39c1214, #27ae6014, #1abc9c1a, #3498db1a, #9b59b61a, #e843931a);
  background-size: 400% 400%;
  animation: drift 60s ease-in-out infinite;
}

h1 {
  width: fit-content;
  margin: 0 auto;
  font-weight: 400;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: flow 12s linear infinite;
}

h3 {
  width: fit-content;
  margin: 0 0 .5rem;
  font-size: 1.25rem;
  font-weight: 400;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: flow 12s linear infinite;
}

p {
  margin: 0 0 .6rem;
}

b, strong {
  color: var(--white);
}

i, em {
  color: var(--pink);
}

.home-main {
  height: auto;
  min-height: 95vh;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: 1rem;
  align-items: center;
  justify-content: flex-start;
  padding: 1rem 1.25rem 2rem;
  box-sizing: border-box;
  font-size: 1rem;
  text-align: left;
}

.home-main > .home-section {
  box-sizing: border-box;
  flex: none;
  width: 100%;
  min-width: 0;
  max-width: 864px;
  padding: 1.25rem;
  border: 2px solid transparent;
  border-radius: .5rem;
  background: linear-gradient(var(--card), var(--card)) padding-box, var(--rainbow) border-box;
  background-size: 100% 100%, 200% 100%;
  animation: flow 8s linear infinite;
}

.placeholder-image {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 16 / 7;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: .9rem;
  border: 2px dashed #ffffff26;
  border-radius: .375rem;
  background: var(--field);
}

.placeholder-image img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: .25rem;
}

a {
  color: var(--white);
  text-decoration: none;
}

.text a,
#actions p a {
  border-bottom: 2px solid var(--teal);
}

.text a:hover,
.text a:focus-visible,
#actions p a:hover,
#actions p a:focus-visible {
  outline: none;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: flow 4s linear infinite;
}

.button-link,
.wbo-button {
  --base: var(--teal);
  --accent: color-mix(in srgb, var(--base) 50%, black);
  display: block;
  margin-top: .6rem;
  padding: .35rem .75rem;
  line-height: 2.6rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-left: 3px solid var(--accent);
  border-radius: 0 .375rem .375rem 0;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  box-shadow: none;
  color: var(--white);
  text-align: center;
}

.button-link:hover,
.wbo-button:hover,
.button-link:focus,
.wbo-button:focus {
  outline: none;
  box-shadow: none;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
  border-color: color-mix(in srgb, var(--accent) 70%, transparent);
  border-left-color: var(--accent);
}

.button-link:active,
.wbo-button:active {
  box-shadow: none;
  background: color-mix(in srgb, var(--accent) 40%, transparent);
}

#named-board-form {
  --accent: color-mix(in srgb, var(--blue) 50%, black);
  display: flex;
  gap: .5rem;
  margin: 0 0 1rem;
  padding: .5rem .75rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-left: 3px solid var(--accent);
  border-radius: 0 .375rem .375rem 0;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

#named-board-form input {
  margin: 0;
  padding: .35rem .6rem;
  font: inherit;
  line-height: 1.5;
  color: var(--text);
  border: 1px solid #ffffff26;
  border-radius: .375rem;
  background: var(--field);
  box-shadow: none;
}

#named-board-form input[type="text"] {
  width: auto;
  min-width: 0;
  flex: 1 1 auto;
  border-radius: .375rem;
  background: var(--field);
}

#named-board-form input[type="text"]::placeholder {
  color: #8f969b;
  opacity: 1;
}

#named-board-form input[type="text"]:focus {
  outline: none;
  border-color: var(--teal);
  background: var(--field);
}

#named-board-form input[type="submit"] {
  flex: 0 0 auto;
  padding: .35rem 1.1rem;
  color: var(--white);
  border-radius: .375rem;
  background: color-mix(in srgb, var(--accent) 30%, transparent);
}

#named-board-form input[type="submit"]:hover,
#named-board-form input[type="submit"]:focus,
#named-board-form input[type="submit"]:active {
  outline: none;
  box-shadow: none;
  border-color: var(--teal);
  background: color-mix(in srgb, var(--accent) 50%, transparent);
}

#recent-boards {
  margin-bottom: 1rem;
  padding: 0;
  background: none;
  box-shadow: none;
}

#recent-boards.hidden {
  display: none;
}

#recent-boards h3 {
  margin: 0 0 .5rem;
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  text-align: left;
}

#recent-boards ul {
  display: block;
  max-height: 140px;
  margin: 0;
  padding: 0;
  overflow-y: auto;
  background: none;
  box-shadow: none;
  list-style: none;
}

#recent-boards li {
  --base: var(--teal);
  --accent: color-mix(in srgb, var(--base) 50%, black);
  display: block;
  height: auto;
  margin: 0 0 .4rem;
  padding: .2rem .75rem;
  overflow: hidden;
  text-align: left;
  text-overflow: ellipsis;
  white-space: nowrap;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-left: 3px solid var(--accent);
  border-radius: 0 .375rem .375rem 0;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  box-shadow: none;
}

#recent-boards li:nth-child(7n+2) { --base: var(--blue); }
#recent-boards li:nth-child(7n+3) { --base: var(--purple); }
#recent-boards li:nth-child(7n+4) { --base: var(--pink); }
#recent-boards li:nth-child(7n+5) { --base: var(--red); }
#recent-boards li:nth-child(7n+6) { --base: var(--orange); }
#recent-boards li:nth-child(7n+7) { --base: var(--green); }

#recent-boards li a {
  color: var(--white);
  text-decoration: none;
}

#recent-boards li a:hover,
#recent-boards li a:focus {
  text-decoration: none;
  color: var(--teal);
}

.lang-selector ul {
  background: var(--card);
  border-color: #ffffff26;
  box-shadow: 0 6px 14px #00000066;
}

.lang-selector li a {
  color: var(--text);
}

.lang-selector li a:hover,
.lang-selector li a:focus {
  background: #ffffff14;
}

.lang-selector span {
  color: var(--text);
  filter: invert(1);
}

@media (prefers-reduced-motion: reduce) {
  body,
  h1,
  h3,
  .home-main > .home-section,
  .text a:hover,
  .text a:focus-visible,
  #actions p a:hover,
  #actions p a:focus-visible {
    animation: none;
  }
}

main.home-main > #welcome,
main.home-main > #actions {
  flex: none;
  width: 100%;
  min-width: 0;
  max-width: 864px;
  padding: 1.25rem;
  box-sizing: border-box;
}

#recent-boards {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 .6rem;
}

#recent-boards h3 {
  order: 0;
  margin: 0 0 .5rem;
}

#recent-boards::after {
  content: "(visible to you or people you've shared the link with)";
  order: 1;
  color: var(--muted);
  font-size: .85rem;
}

#recent-boards ul {
  order: 2;
  flex: 0 0 100%;
}

#recent-boards.hidden {
  display: none;
}

.lang-selector span {
  filter: none;
  background-image: none;
  position: relative;
  isolation: isolate;
  color: color-mix(in srgb, var(--orange) 40%, white);
  font-weight: 600;
}

.lang-selector span::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: url(./label.svg) no-repeat;
  filter: invert(1);
}

.lang-selector {
  display: none;
}

section.links {
  box-sizing: border-box;
  width: calc(100% - 2.5rem);
  max-width: 864px;
  margin: 0 auto 2rem;
  padding: 1.25rem;
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.7;
  text-align: center;
  border: 2px solid transparent;
  border-radius: .5rem;
  background: linear-gradient(var(--card), var(--card)) padding-box, var(--rainbow) border-box;
  background-size: 100% 100%, 200% 100%;
  animation: flow 8s linear infinite;
}

.links a {
  color: var(--white);
  border-bottom: 2px solid var(--teal);
}

.links a:hover,
.links a:focus-visible {
  outline: none;
  background: var(--rainbow);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: flow 4s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
  section.links,
  .links a:hover,
  .links a:focus-visible {
    animation: none;
  }
}

.storage-note {
  --accent: color-mix(in srgb, var(--orange) 50%, black);
  margin: 1rem 0 0;
  padding: .5rem .75rem;
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  border-left: 3px solid var(--accent);
  border-radius: 0 .375rem .375rem 0;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}