.sudoku-page {
  background: #f4f6f8;
  padding-top: 70px;
}
.sudoku {
  color: #263442;
  min-height: 72vh;
  padding-bottom: 38px;
}
.sudoku-hero {
  padding: 24px 0 0;
}
.sudoku-hero .sudoku-hero-copy {
  border-bottom: 1px solid #d7e0e4;
  margin: 0 auto;
  max-width: 922px;
  padding-bottom: 24px;
}
.sudoku-hero h1 {
  color: #213747;
  font-size: 42px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 2px 0 7px;
}
.sudoku-hero p:last-child {
  color: #5e707b;
  font-size: 17px;
  margin-bottom: 0;
}
.sudoku-eyebrow {
  color: #237c81;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  margin: 0;
  text-transform: uppercase;
}
.sudoku-workspace {
  align-items: start;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 610px) minmax(270px, 290px);
  justify-content: center;
  margin: 24px auto 0;
  max-width: 922px;
}
.sudoku-game-card,
.sudoku-control-card {
  background: #ffffff;
  border: 1px solid #dce1e5;
  border-radius: 5px;
  box-shadow: 0 2px 7px rgba(34, 52, 68, 0.08);
}
.sudoku-game-card {
  min-width: 0;
  padding: 18px;
}
.sudoku-toolbar {
  align-items: flex-end;
  display: flex;
  justify-content: space-between;
  margin-bottom: 18px;
}
.sudoku-toolbar > div:first-child {
  align-items: flex-end;
  display: flex;
  gap: 8px;
}
.sudoku-toolbar label {
  align-self: center;
  margin: 0 2px 0 0;
}
.sudoku-toolbar .form-control {
  display: inline-block;
  width: 112px;
}
.sudoku-toolbar .sudoku-variant-select {
  width: 150px;
}
.sudoku-clock {
  color: #354f65;
  font-family: Consolas, "Courier New", monospace;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  padding: 6px 2px;
}
.sudoku-clock .glyphicon {
  color: #72909f;
  font-size: 15px;
  margin-right: 4px;
}
.sudoku-board-wrap {
  margin: 0 auto;
  max-width: 574px;
  position: relative;
}
.sudoku-board {
  background: #263442;
  border: 2px solid #263442;
  display: grid;
  width: 100%;
}
.sudoku-cell {
  align-items: center;
  aspect-ratio: 1;
  background: #ffffff;
  border: 1px solid #b9c3cb;
  border-radius: 0;
  color: #235f7b;
  display: flex;
  font-family: Arial, sans-serif;
  font-size: clamp(18px, 4.4vw, 32px);
  font-weight: 500;
  justify-content: center;
  line-height: 1;
  min-height: 0;
  min-width: 0;
  overflow: visible;
  padding: 0;
  position: relative;
}
.sudoku-cell.region-top {
  border-top: 2px solid #263442;
}
.sudoku-cell.region-right {
  border-right: 2px solid #263442;
}
.sudoku-cell.region-bottom {
  border-bottom: 2px solid #263442;
}
.sudoku-cell.region-left {
  border-left: 2px solid #263442;
}
.sudoku-cell.highlight-unit {
  background: #fff6d8;
}
.sudoku-cell.given {
  background: #eef1f3;
  color: #263442;
  font-weight: 700;
}
.sudoku-cell.given.highlight-unit {
  background: #eee8cf;
}
.sudoku-cell.editable {
  cursor: pointer;
}
.sudoku-cell.editable:hover,
.sudoku-cell.peer {
  background: #edf7f7;
}
.sudoku-cell.same-value {
  background: #d7eeee;
}
.sudoku-cell.selected {
  background: #badfdd;
  box-shadow: inset 0 0 0 2px #287f7b;
  z-index: 2;
}
.sudoku-cell.conflict {
  background: #f8dede;
  color: #a12828;
}
.sudoku-cell:focus {
  box-shadow: inset 0 0 0 3px #287f7b;
  outline: 0;
  z-index: 3;
}
.sudoku-cell:disabled {
  cursor: default;
  opacity: 1;
}
.sudoku-value {
  position: relative;
  z-index: 1;
}
.sudoku-diagonal-line {
  border-top: 2px solid rgba(47, 124, 129, 0.35);
  left: -18%;
  pointer-events: none;
  position: absolute;
  top: 50%;
  width: 136%;
  z-index: 0;
}
.sudoku-diagonal-line.diagonal-main {
  transform: rotate(45deg);
}
.sudoku-diagonal-line.diagonal-anti {
  transform: rotate(-45deg);
}
.sudoku-cell-inactive {
  background: transparent;
  border: 0;
}
.sudoku-notes {
  display: grid;
  font-size: clamp(7px, 1.35vw, 11px);
  font-weight: 600;
  grid-template-columns: repeat(3, 1fr);
  height: 100%;
  left: 0;
  line-height: 1;
  position: absolute;
  top: 0;
  width: 100%;
  z-index: 1;
}
.sudoku-notes span {
  align-items: center;
  display: flex;
  justify-content: center;
}
.sudoku-consecutive-marker {
  background: #ffffff;
  border: 2px solid #536f79;
  border-radius: 50%;
  height: 11px;
  pointer-events: none;
  position: absolute;
  width: 11px;
  z-index: 5;
}
.sudoku-consecutive-marker.marker-right {
  right: -6px;
  top: calc(50% - 6px);
}
.sudoku-consecutive-marker.marker-bottom {
  bottom: -6px;
  left: calc(50% - 6px);
}
.sudoku-cage-edge,
.sudoku-cage-total {
  pointer-events: none;
  position: absolute;
  z-index: 4;
}
.sudoku-cage-edge.cage-top {
  border-top: 2px dashed #7b6b54;
  left: 2px;
  right: 2px;
  top: 2px;
}
.sudoku-cage-edge.cage-right {
  border-right: 2px dashed #7b6b54;
  bottom: 2px;
  right: 2px;
  top: 2px;
}
.sudoku-cage-edge.cage-bottom {
  border-bottom: 2px dashed #7b6b54;
  bottom: 2px;
  left: 2px;
  right: 2px;
}
.sudoku-cage-edge.cage-left {
  border-left: 2px dashed #7b6b54;
  bottom: 2px;
  left: 2px;
  top: 2px;
}
.sudoku-cage-total {
  background: rgba(255, 255, 255, 0.82);
  color: #5d513f;
  font-size: 9px;
  font-weight: 700;
  left: 4px;
  line-height: 1;
  padding: 1px;
  top: 4px;
}
.sudoku[data-variant="giant-16x16"] .sudoku-cell {
  font-size: 18px;
}
.sudoku[data-variant="giant-16x16"] .sudoku-notes {
  font-size: 7px;
}
.sudoku[data-variant="giant-16x16"] .sudoku-number-key {
  min-height: 38px;
}
.sudoku[data-variant="samurai"] .sudoku-cell {
  font-size: 14px;
}
.sudoku[data-variant="samurai"] .sudoku-notes {
  font-size: 5px;
}
.sudoku[data-game-kind="placement"] .sudoku-board-wrap {
  max-width: 500px;
}
.sudoku[data-game-kind="placement"] .placement-cell {
  color: #263442;
  font-family: Georgia, serif;
  font-size: clamp(24px, 6vw, 42px);
  font-weight: 700;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-0 {
  background: #f8ddd8;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-1 {
  background: #dcecf8;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-2 {
  background: #e5efd2;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-3 {
  background: #f8edc8;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-4 {
  background: #e9ddf4;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-5 {
  background: #d7efea;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-6 {
  background: #f4ddeb;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-7 {
  background: #e3e5f5;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-8 {
  background: #f2e0ce;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-9 {
  background: #d8e8d7;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-10 {
  background: #e6d9d0;
}
.sudoku[data-game-kind="placement"] .placement-cell.region-color-11 {
  background: #d9e8ee;
}
.sudoku[data-game-kind="placement"] .placement-cell.peer,
.sudoku[data-game-kind="placement"] .placement-cell:hover {
  filter: brightness(0.96);
}
.sudoku[data-game-kind="placement"] .placement-cell.selected {
  box-shadow: inset 0 0 0 3px #287f7b;
  filter: brightness(0.91);
}
.sudoku[data-game-kind="placement"] .placement-cell.conflict {
  background: #f2bebe;
  color: #9d2424;
}
.sudoku[data-game-kind="placement"] .placement-cell .sudoku-notes {
  color: rgba(38, 52, 66, 0.58);
  font-family: Arial, sans-serif;
  font-size: clamp(19px, 4vw, 30px);
}
.sudoku-value:not(:empty) + .sudoku-notes {
  display: none;
}
.sudoku-status {
  font-size: 13px;
  margin: 12px 0 0;
  min-height: 20px;
  text-align: center;
}
.sudoku-complete {
  font-size: 16px;
  margin: 15px 0 0;
  text-align: center;
}
.sudoku-complete .glyphicon {
  margin-right: 5px;
}
.sudoku-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sudoku-control-card {
  padding: 16px;
}
.sudoku-control-card h2 {
  color: #263442;
  font-size: 17px;
  font-weight: 700;
  margin: 0 0 12px;
}
.sudoku-control-card p,
.sudoku-control-card li {
  color: #5d6973;
  font-size: 13px;
  line-height: 1.5;
}
.sudoku-control-heading {
  align-items: center;
  display: flex;
  justify-content: space-between;
}
.sudoku-control-heading span {
  background: #e8f2f2;
  border-radius: 10px;
  color: #2d6f73;
  font-size: 12px;
  font-weight: 700;
  padding: 3px 8px;
}
.sudoku-entry-mode {
  background: #f5f8f9;
  border: 1px solid #d6e0e4;
  border-radius: 5px;
  margin-bottom: 12px;
  padding: 11px;
}
.sudoku-entry-mode-label {
  color: #405762 !important;
  font-weight: 700;
  margin: 0 0 8px;
}
.sudoku-entry-mode-options {
  display: grid;
  gap: 6px;
  grid-template-columns: 1fr 1fr;
}
.sudoku-entry-mode-options .btn {
  font-weight: 700;
  white-space: normal;
}
.sudoku-entry-mode-help {
  margin: 8px 0 0;
}
.sudoku-keypad {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(3, 1fr);
}
.sudoku-number-key {
  color: #235f7b;
  font-size: 20px;
  font-weight: 700;
  min-height: 46px;
}
.sudoku-edit-actions {
  display: grid;
  gap: 7px;
  grid-template-columns: repeat(2, 1fr);
  margin-top: 10px;
}
.sudoku-edit-actions .btn {
  padding-left: 5px;
  padding-right: 5px;
}
.sudoku-undo-icon {
  transform: scaleX(-1);
}
.sudoku-check-card .btn-primary {
  margin-right: 5px;
}
.sudoku-check-card .btn-link {
  color: #677681;
  padding-left: 4px;
  padding-right: 4px;
}
.sudoku-help-card ul {
  margin: 0;
  padding-left: 19px;
}
.sudoku-scoreboard-heading {
  align-items: baseline;
  display: flex;
  gap: 8px;
  justify-content: space-between;
}
.sudoku-scoreboard-heading span {
  color: #687984;
  font-size: 11px;
  text-align: right;
}
.sudoku-scoreboard-list {
  counter-reset: sudoku-score;
  list-style: none;
  margin: 0;
  padding: 0;
}
.sudoku-scoreboard-list li {
  align-items: center;
  border-bottom: 1px solid #e7ecef;
  display: flex;
  min-height: 31px;
  padding: 6px 0;
}
.sudoku-scoreboard-list li:before {
  color: #81909a;
  content: counter(sudoku-score) ".";
  counter-increment: sudoku-score;
  flex: 0 0 25px;
  font-family: Consolas, "Courier New", monospace;
}
.sudoku-scoreboard-list .sudoku-scoreboard-empty {
  color: #77858e;
}
.sudoku-scoreboard-list .sudoku-scoreboard-empty:before {
  content: "";
}
.sudoku-scoreboard-name {
  flex: 1 1 auto;
  font-weight: 600;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.sudoku-scoreboard-time {
  color: #354f65;
  flex: 0 0 auto;
  font-family: Consolas, "Courier New", monospace;
  margin-left: 10px;
}
.sudoku-score-form {
  margin-top: 14px;
}
.sudoku-score-form label {
  font-size: 12px;
}
.sudoku-score-message {
  margin: 6px 0 0;
  min-height: 18px;
}
.sudoku.loading .sudoku-board {
  opacity: 0.55;
  pointer-events: none;
}
@media (max-width: 991px) {
  .sudoku-hero .sudoku-hero-copy,
  .sudoku-workspace {
    max-width: 680px;
  }
  .sudoku-workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .sudoku-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .sudoku-control-card:first-child {
    grid-row: span 2;
  }
}
@media (max-width: 600px) {
  .sudoku-hero {
    padding-top: 12px;
  }
  .sudoku-hero .sudoku-hero-copy {
    padding-bottom: 18px;
  }
  .sudoku-hero h1 {
    font-size: 34px;
  }
  .sudoku-workspace {
    gap: 14px;
    margin-top: 14px;
  }
  .sudoku-game-card {
    padding: 10px;
  }
  .sudoku-toolbar {
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }
  .sudoku-toolbar > div:first-child {
    align-items: stretch;
    display: grid;
    flex: 1 1 100%;
    gap: 6px;
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
  .sudoku-toolbar label {
    display: none;
  }
  .sudoku-toolbar .form-control {
    width: 100%;
  }
  .sudoku-toolbar #sudoku-new {
    grid-column: 1 / -1;
  }
  .sudoku-clock {
    align-self: center;
    font-size: 17px;
    margin-left: auto;
  }
  .sudoku-controls {
    display: flex;
  }
  .sudoku-cell {
    font-size: clamp(17px, 7vw, 28px);
  }
  .sudoku-notes {
    font-size: clamp(6px, 2.2vw, 10px);
  }
  .sudoku[data-variant="giant-16x16"] .sudoku-cell {
    font-size: 12px;
  }
  .sudoku[data-variant="samurai"] .sudoku-cell {
    font-size: 9px;
  }
  .sudoku-cage-total {
    font-size: 7px;
    left: 2px;
    top: 2px;
  }
}