.mselect__list {
  font-family: Noto Sans, sans-serif;
}

.puzzle-openings__link em, .puzzle-openings em, .puzzle-themes__link h3 em, .puzzle-themes h2 {
  font-family: Roboto, sans-serif;
  font-weight: 300;
}

:where(html.light) .cmn-toggle input:disabled + label:before {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8);
}

.cmn-toggle :where(html.light) input:disabled + label:before {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8);
}

:where(html.light) .cmn-toggle input:disabled + label:after {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8);
}

.cmn-toggle :where(html.light) input:disabled + label:after {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8);
}

.cmn-toggle input:disabled + label:before, .cmn-toggle input:disabled + label:after {
  background-image: linear-gradient(to bottom, var(--c-metal-top), var(--c-metal-bottom));
}

.cmn-toggle label:after, .mselect__label {
  box-shadow: inset 0 1px 3px -2px #737373, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 3)/.8), 0 1px 3px 0 #0003;
}

:where(html.light) .cmn-toggle label:after {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 1px 3px 0 #0000002e;
}

.cmn-toggle :where(html.light) label:after {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 1px 3px 0 #0000002e;
}

:where(html.light) .mselect__label {
  box-shadow: inset 0 3px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 1px 3px 0 #0000002e;
}

.cmn-toggle label:after, .mselect__label {
  background: linear-gradient(to bottom, var(--c-metal-top), var(--c-metal-bottom));
  text-shadow: .5px .5px 0 rgb(from var(--c-dimmer) r g b/calc(alpha * .8)) !important;
}

.cmn-toggle label:hover:not(.disabled, :disabled, [disabled]):after, .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #0000003d;
}

:where(html.light) .cmn-toggle label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #00000036;
}

.cmn-toggle :where(html.light) label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #00000036;
}

:where(html.light) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #00000036;
}

.cmn-toggle label:hover:not(.disabled, :disabled, [disabled]):after, .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  background: linear-gradient(to bottom, var(--c-metal-top-hover), var(--c-metal-bottom-hover));
}

:where(html.transp) .cmn-toggle label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #00000026;
}

.cmn-toggle :where(html.transp) label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #00000026;
}

:where(html.transp) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #00000026;
}

:where(html.light) :where(html.transp) .cmn-toggle label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #0000001f;
}

.cmn-toggle :where(html.light) :where(html.transp) label:hover:not(.disabled, :disabled, [disabled]):after {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #0000001f;
}

:where(html.light) :where(html.transp) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #0000001f;
}

.mselect__label {
  box-shadow: inset 0 1px 3px -2px #737373, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 3)/.8), 0 1px 3px 0 #0000001a;
}

:where(html.light) .mselect__label {
  box-shadow: inset 0 2px 3px -2px #fff6, inset 0 -4px 8px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 1px 3px 0 #00000014;
}

.mselect__label {
  border: 1px solid var(--c-border);
}

.mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #0000001f;
}

:where(html.light) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #0000001a;
}

:where(html.transp) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 1px 3px -2px var(--c-border-light), inset 0 -5px 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 5)/.8), 0 2px 4px 0 #0000000f;
}

:where(html.light) :where(html.transp) .mselect__label:hover:not(.disabled, :disabled, [disabled]) {
  box-shadow: inset 0 4px 3px -2px #fff6, inset 0 -5px 8 16px -3px hsl(from var(--c-body-gradient) h s calc(l + 7)/.8), 0 2px 4px 0 #0000000d;
}

:where(html.transp) .mselect__list {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.mselect__list {
  box-shadow: 0 14px 28px #00000026, 0 10px 10px #0000001f;
}

.form-check__input input:not(:disabled):focus-visible + .form-check__label {
  box-shadow: 0 0 12px var(--c-font-dimmer);
}

.puzzle-themes__db {
  padding: 4vh var(---box-padding);
}

.puzzle-themes h2 {
  padding: 0 var(---box-padding);
}

.help {
  margin-left: var(---box-padding);
  margin-right: var(---box-padding);
}

.mselect__label:after, .toggle-box--toggle legend:after, .flash:before, .cmn-toggle label:before {
  vertical-align: middle;
  text-transform: none;
  speak: none;
  content: attr(data-icon);
  opacity: .9;
  unicode-bidi: isolate;
  font-family: lichess;
  font-size: 1.2em;
  font-style: normal;
  font-weight: normal;
}

.cmn-toggle input {
  touch-action: manipulation;
}

.form-check__input input, .cmn-toggle input {
  position: absolute;
  inset-inline-start: -99999px;
}

.flash, .form-check__container {
  flex-flow: row;
  align-items: center;
  display: flex;
}

h2#openings, .puzzle-of-player__puzzle__meta, .form-actions, .form-split {
  flex-flow: wrap;
  justify-content: space-between;
  align-items: center;
  display: flex;
}

.mselect__label {
  flex-flow: row;
  justify-content: space-between;
  align-items: center;
  display: flex;
}

.mselect__list {
  flex-flow: column;
  display: flex;
}

.puzzle-openings__link, .puzzle-themes__link, .mselect__list, .mselect__label, .form-help pre, .toggle-box legend, .toggle-box, .flash, .form-check__label, .cmn-toggle label:before, .cmn-toggle label, .flash-box, .flash-quiet, .help, .puzzle-recommended .puzzle-themes__link {
  border-radius: var(---ui-roundness, 7px);
}

.flash, .flash-box, .flash-quiet {
  box-shadow: 0 2px 2px #00000014, 0 3px 1px -2px #0000002e, 0 1px 5px #0000001a;
}

:where(html.transp) .help {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

:where(html.transp) .puzzle-recommended .puzzle-themes__link {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.puzzle-recommended :where(html.transp) .puzzle-themes__link {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.help, .puzzle-recommended .puzzle-themes__link {
  border: 1px solid var(--c-border);
}

:where(html.transp) .flash-box {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

:where(html.transp) .flash-quiet {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.cmn-toggle-wrap {
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  align-items: center;
  gap: .8ch;
  display: inline-flex;
}

.cmn-toggle label {
  -webkit-user-select: none;
  user-select: none;
  cursor: pointer;
  border: 1px solid var(--c-border);
  background-clip: padding-box;
  background-color: var(--c-font-dimmer);
  outline: none;
  width: 40px;
  height: 24px;
  padding: 1px;
  transition: background .15s, box-shadow .15s;
  display: block;
  position: relative;
}

.cmn-toggle label:before, .cmn-toggle label:after {
  content: "";
  width: 23px;
  height: 23px;
  display: block;
  position: absolute;
  bottom: 0;
}

html:not([dir="rtl"]) .cmn-toggle label:before, html:not([dir="rtl"]) .cmn-toggle label:after {
  left: 0;
}

html[dir="rtl"] .cmn-toggle label:before, html[dir="rtl"] .cmn-toggle label:after {
  right: 0;
}

.cmn-toggle label:before {
  z-index: 1;
  text-align: center;
  content: "";
  color: var(--c-font-dimmer);
  font-size: 1em;
  line-height: 23px;
  transition: margin .15s, color .15s;
}

.cmn-toggle label:after {
  border-radius: calc(var(---ui-roundness, 7px) - 1px);
  transition: margin .15s, box-shadow .15s;
}

:where(html.transp) .cmn-toggle label:after {
  background: linear-gradient(to bottom, hsl(var(---site-hue), 7%, 22%), hsl(var(---site-hue), 5%, 19%) 100%);
}

:where(html.transp.light) .cmn-toggle label:after {
  background: linear-gradient(to bottom, hsl(var(---site-hue), 7%, 88%), hsl(var(---site-hue), 5%, 91%) 100%);
}

:where(html.transp) .cmn-toggle label:hover:after {
  background: linear-gradient(to bottom, hsl(var(---site-hue), 7%, 26%), hsl(var(---site-hue), 5%, 23%) 100%);
}

:where(html.transp.light) .cmn-toggle label:hover:after {
  background: linear-gradient(to bottom, hsl(var(---site-hue), 7%, 90%), hsl(var(---site-hue), 5%, 93%) 100%);
}

.cmn-toggle input:checked + label {
  background-color: var(--c-good);
}

.cmn-toggle input:checked + label:before, .cmn-toggle input:checked + label:after {
  margin-inline-start: 16px;
}

.cmn-toggle input:checked + label:before {
  content: "";
  color: var(--c-good);
}

.cmn-toggle input:disabled + label {
  opacity: .6;
  cursor: not-allowed !important;
}

.cmn-toggle input:disabled + label:before, .cmn-toggle input:disabled + label:after {
  box-shadow: none;
}

.cmn-toggle input:focus-visible:not(:disabled) + label {
  box-shadow: 0 0 12px var(--c-font-dimmer);
  border-color: var(--c-primary);
}

.form-check__container {
  -webkit-user-select: none;
  user-select: none;
}

.form-check__container .form-label {
  cursor: pointer;
  margin-bottom: 0;
}

.form-check__container:has(.form-label:hover) .form-check__label {
  border-color: var(--c-good);
}

.form-check__input {
  cursor: pointer;
  position: relative;
}

.form-check__input + .form-label {
  margin-inline-start: .75rem;
}

.form-check__label {
  background-color: var(--c-bg-input);
  border: 1px solid var(--c-border);
  cursor: pointer;
  width: 24px;
  height: 24px;
  transition: background-color .1s ease-in-out ease, border-color .1s ease-in-out ease;
  margin-bottom: 0;
  display: block;
  position: relative;
}

.form-check__label:hover {
  border-color: var(--c-good);
}

.form-check__label:after {
  content: "";
  opacity: 0;
  border-top: none;
  border-bottom: 2.5px solid #fff;
  border-left: 2.5px solid #fff;
  border-right: none;
  width: 12px;
  height: 6px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -58%) rotate(-45deg);
}

.form-check__input input {
  position: absolute;
}

.form-check__input input:disabled + .form-check__label {
  opacity: .6;
  cursor: not-allowed !important;
}

.form-check__input input:not(:disabled):focus-visible + .form-check__label {
  border-color: var(--c-font);
}

.form-check__input input:checked + .form-check__label {
  background-color: var(--c-good);
  border-color: var(--c-good);
}

.form-check__input input:checked:hover + .form-check__label {
  background-color: rgb(from var(--c-good) r g b/calc(alpha * .8));
}

.form-check__input input:checked + .form-check__label:after {
  opacity: 1;
}

.flash {
  background: var(--c-good);
  margin: 1em 0 2em;
  padding: 1em 2em;
}

.flash:before {
  content: "";
  margin-inline: 0 .5rem;
  font-size: 1.5em;
}

.flash__content a {
  color: var(--c-over);
  unicode-bidi: plaintext;
}

.flash-success {
  color: var(--c-over);
}

.flash-warning {
  background: var(--c-warn);
  color: var(--c-over);
}

.flash-warning:before {
  content: "";
}

.flash-failure {
  background: var(--c-bad);
  color: var(--c-over);
}

.flash-failure:before {
  content: "";
}

.flash-quiet, .flash-box {
  background: var(--c-bg-zebra);
}

.flash-box a {
  color: var(--c-primary);
}

.toggle-box {
  border: 1px solid var(--c-border);
  background: var(--c-bg-zebra);
  padding: 2rem var(---box-padding) 0;
  margin: 1rem 0 3rem;
}

.toggle-box legend {
  -webkit-user-select: none;
  user-select: none;
  background: var(--c-bg-zebra);
  text-align: right;
  border: 1px solid #0000;
  border-top-color: var(--c-border);
  padding: .5em 1.5em;
  font-size: 1.2em;
  line-height: 26px;
}

.toggle-box legend:focus-visible {
  outline: 2px solid var(--c-primary);
}

:where(html.transp) .toggle-box--toggle legend {
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}

.toggle-box--toggle legend {
  cursor: pointer;
  padding: .5em 2.5em .5em 1.5em;
  position: relative;
}

.toggle-box--toggle legend:after {
  content: "";
  opacity: .66;
  margin-left: .5em;
  font-size: 14px;
  transition: transform .2s ease-in-out;
  position: absolute;
  transform: rotate(-90deg);
}

.toggle-box--toggle legend:hover {
  color: var(--c-primary);
}

.toggle-box--toggle-off {
  border-color: #0000;
  border-top-color: var(--c-border);
  background: none;
  border-radius: 0;
  padding-top: 0;
}

.toggle-box--toggle-off legend {
  border: 1px solid var(--c-border);
  background: none;
}

.toggle-box--toggle-off legend:hover {
  background: var(--c-bg-zebra);
}

.toggle-box--toggle-off legend:after {
  transform: rotate(90deg);
}

.toggle-box--toggle-off > :not(legend) {
  display: none;
}

.form-group {
  margin-bottom: 3rem;
}

.form-split {
  align-items: inherit;
}

.form-half {
  flex: 48%;
  min-width: 200px;
}

.form-full {
  flex: 100%;
}

.form-third {
  flex: 31%;
}

@media (min-width: 499.3px) {
  .form-half, .form-third {
    flex-grow: 0;
  }
}

.form-label {
  cursor: text;
  margin-bottom: .5rem;
  font-weight: bold;
  display: inline-block;
}

.form-control {
  background-clip: padding-box;
  width: 100%;
  height: calc(2.7em + 2px);
  display: block;
}

.clipboard {
  float: right;
}

textarea.form-control {
  height: auto;
}

.form-control:invalid, .form-group.is-invalid .form-control {
  border-color: var(--c-error);
}

.form3 .error, .form-help, .password-complexity-label {
  unicode-bidi: plaintext;
  margin-top: .25rem;
  font-size: 90%;
}

.form3 .error {
  color: var(--c-error);
}

.form-help, .password-complexity-label {
  color: var(--c-font-dim);
}

.form-help pre {
  background: var(--c-bg-page);
  margin: .2em 0;
  padding: .2em 1em;
}

.form-actions {
  border-top: 1px solid var(--c-border);
  margin-top: 1.5rem;
  padding-top: 1.5rem;
}

.form-actions.single {
  justify-content: flex-end;
}

.form3 hr {
  border: 0;
  border-top: 1px solid var(--c-border);
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.mselect {
  white-space: nowrap;
  position: relative;
}

.mselect:has( > .mselect__toggle--mask:checked) {
  z-index: 111;
}

.mselect__toggle {
  z-index: -1;
  opacity: 0;
  position: absolute;
}

:where(html.transp) .mselect__label {
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.mselect__label {
  padding-inline: 1rem .6rem;
  cursor: pointer;
  gap: 1ch;
  padding-top: .3rem;
  padding-bottom: .3rem;
}

.mselect__label:after {
  content: "";
  color: var(--c-primary);
  margin-inline: .4em 0;
  font-size: 70%;
}

.mselect__label:focus-visible {
  outline: 2px solid var(--c-primary);
}

.mselect__toggle:focus-visible ~ .mselect__label {
  outline: 2px solid var(--c-primary);
}

html:not([dir="rtl"]) .mselect__list {
  left: 0;
}

html[dir="rtl"] .mselect__list {
  right: 0;
}

.mselect__list {
  z-index: 111;
  background: var(--c-bg-popup);
  transform-origin: top;
  min-width: 100%;
  max-height: 60vh;
  transition: transform .15s;
  position: absolute;
  top: 0;
  overflow-y: auto;
  transform: scale(1, 0);
}

.mselect__toggle:checked ~ .mselect__list {
  transform: scale(1);
}

@media (max-width: 800px) {
  .mselect__toggle:checked ~ .mselect__list {
    top: calc(50vh - var(---site-header-height));
    position: fixed;
    transform: translateY(-50%) scale(1);
  }

  dialog .mselect__toggle:checked ~ .mselect__list {
    position: absolute;
    top: 0;
    transform: scale(1);
  }
}

.mselect__toggle:checked ~ .mselect__list * {
  opacity: 1;
  visibility: visible;
  transition: opacity .125s ease-in-out .125s;
}

.mselect__item {
  white-space: nowrap;
  visibility: hidden;
  opacity: 0;
  color: var(--c-primary);
  border-left: 3px solid #0000;
  padding: .3em 1em;
  transition: background-color .15s, border-color .15s;
  display: block;
}

.mselect__item.current {
  background: var(--c-bg-zebra);
  border-color: var(--c-primary);
}

.mselect__item:hover {
  background: var(--c-primary);
  color: var(--c-over);
}

.mselect__item:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: -2px;
}

.mselect__item:before {
  margin-inline-end: .4em;
}

.puzzle-themes h2:not(:first-child) {
  margin-block: 1em .5em;
}

.puzzle-themes__list {
  margin-inline: calc(var(---box-padding) / 2);
  grid-template-columns: repeat(auto-fill, minmax(50ch, 1fr));
  column-gap: .5em;
  display: grid;
}

@media (max-width: 499.29px) {
  .puzzle-themes__list {
    grid-template-columns: repeat(auto-fill, minmax(40ch, 1fr));
  }
}

.puzzle-themes__list.puzzle-recommended {
  display: block;
}

.puzzle-themes__link {
  color: var(--c-font);
  align-items: center;
  padding: 1.5em 1em 1.5em 0;
  transition: background-color .15s, color .15s;
  display: flex;
}

.puzzle-themes__link img {
  opacity: .8;
  flex: 0 0 7.5em;
  align-self: flex-start;
  height: 4.5em;
  transition: opacity .15s, filter .15s;
}

.puzzle-themes__link:hover {
  background: color-mix(in oklab, var(--c-primary) 10%, var(--c-bg));
}

.puzzle-themes__link:hover img {
  opacity: 1;
  filter: brightness(1.4);
}

:where(html.light) .puzzle-themes__link:hover img {
  filter: brightness(.8);
}

@media (max-width: 499.29px) {
  .puzzle-themes__link:before {
    display: none;
  }

  .puzzle-themes__link {
    padding-inline-start: 1em;
  }
}

.puzzle-themes__link > span {
  flex: 100%;
  margin: 0;
}

.puzzle-themes__link h3 {
  margin-bottom: .2em;
  font-size: 1.7em;
  font-weight: normal;
  line-height: 1em;
  display: block;
}

.puzzle-themes__link h3 em {
  color: var(--c-font-dimmer);
  letter-spacing: -1px;
  margin-inline-start: .7ch;
  font-size: .8em;
}

.puzzle-recommended .puzzle-themes__link {
  background: color-mix(in oklab, var(--c-secondary) 20%, var(--c-bg));
  border-color: color-mix(in oklab, var(--c-secondary) 35%, var(--c-bg));
  color: var(--c-good);
  margin: 2em 0;
  font-size: 1.2em;
}

.puzzle-recommended .puzzle-themes__link:before {
  color: var(--c-good);
}

.puzzle-recommended .puzzle-themes__link > span {
  color: var(--c-font);
}

.puzzle-recommended .puzzle-themes__link:hover {
  background: color-mix(in oklab, var(--c-secondary) 25%, var(--c-bg));
}

@media (max-width: 799.29px) {
  .puzzle-recommended .puzzle-themes__link {
    margin: 2em var(---box-padding) 2em 0;
  }
}

.puzzle-themes__count {
  unicode-bidi: plaintext;
}

.puzzle-themes__db {
  text-align: center;
}

.puzzle-openings__mine {
  border-bottom: 1px solid var(--c-border);
  background: var(--c-bg-zebra);
  padding-top: 3vh;
}

.puzzle-openings__mine h2 {
  margin: 0 0 1em;
}

.puzzle-openings__list {
  margin: 0 0 3em var(---box-padding);
  grid-template-columns: repeat(auto-fill, minmax(40ch, 1fr));
  display: grid;
}

@media (max-width: 499.29px) {
  .puzzle-openings__list {
    grid-template-columns: repeat(auto-fill, minmax(30ch, 1fr));
  }
}

.puzzle-openings__link {
  padding: .5em .7em .5em 1.5em;
  display: flex;
}

.puzzle-openings__link:hover {
  background: color-mix(in oklab, var(--c-primary) 10%, var(--c-bg));
}

.puzzle-openings__link.opening-mine {
  color: var(--c-brag);
  font-weight: bold;
}

.puzzle-openings__link.opening-mine:hover {
  background: color-mix(in oklab, var(--c-brag) 20%, var(--c-bg));
}

@media (max-width: 499.29px) {
  .puzzle-openings__link:before {
    display: none;
  }

  .puzzle-openings__link {
    padding-inline-start: 1em;
  }
}

.puzzle-openings__link h3 {
  font-weight: inherit;
  font-size: 1.2em;
  display: block;
}

.puzzle-openings__tree__family h2 {
  margin: 1em 0;
}

.puzzle-openings__link em, .puzzle-openings em {
  color: var(--c-font-dimmer);
  letter-spacing: -1px;
  margin-inline-start: .7ch;
  font-size: .8em;
}

.puzzle-of-player__form input {
  width: 30ch;
  margin-inline-end: 1em;
  display: inline-block;
}

.puzzle-of-player__pager {
  grid-template-columns: repeat(auto-fill, minmax(12em, 1fr));
  align-content: start;
  display: grid;
}

.puzzle-of-player__results p {
  margin: 2em 0;
  font-size: 1.5em;
}

.puzzle-of-player__puzzle {
  padding: .4em;
}

.puzzle-of-player__puzzle__meta {
  padding: 0 .3em;
  font-size: .9em;
}

.puzzle-of-player__puzzle__id {
  opacity: 0;
  transition: all .15s;
}

.puzzle-of-player__puzzle:hover .puzzle-of-player__puzzle__id {
  opacity: 1;
}

h2#openings a {
  font-size: 1rem;
}

.help {
  background: var(--c-bg-zebra);
  padding: 1.5em;
}

.help-touchscreen {
  display: none;
}

.help-keyboard {
  display: block;
}

@media (hover: none) {
  .help-touchscreen {
    display: block;
  }

  .help-keyboard {
    display: none;
  }
}