:root {
  color-scheme: light;
  --ink: #111111;
  --muted: #646464;
  --line: #d5d5d5;
  --paper: #fbfbfa;
  --surface: #ffffff;
  --square: #ffffff;
  --block: #151515;
  --gold: #f8d55f;
  --gold-soft: #fff3be;
  --blue: #8fc7ff;
  --blue-deep: #1769aa;
  --wrong: #ef8c8c;
  --shadow: 0 12px 34px rgba(0, 0, 0, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    linear-gradient(rgba(251, 251, 250, 0.72), rgba(251, 251, 250, 0.78)),
    url("assets/corgi-background.png") center top / min(1180px, 180vw) auto fixed,
    var(--paper);
  color: var(--ink);
  font-family:
    ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
}

button {
  appearance: none;
  -webkit-appearance: none;
  color: inherit;
  font: inherit;
}

.app-shell {
  min-height: 100svh;
  padding: 0 0 152px;
  opacity: 1;
  transition: opacity 220ms ease;
}

body.is-loading .app-shell {
  opacity: 0;
  pointer-events: none;
}

.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(rgba(251, 251, 250, 0.44), rgba(251, 251, 250, 0.58)),
    url("assets/corgi-background.png") center top / min(1180px, 180vw) auto fixed,
    var(--paper);
  opacity: 1;
  transition:
    opacity 220ms ease,
    visibility 220ms ease;
}

body.is-ready .loading-screen {
  visibility: hidden;
  opacity: 0;
}

.loading-content {
  display: grid;
  justify-items: center;
  gap: 16px;
  width: min(100%, 320px);
  padding: 28px 22px;
  border: 1px solid rgba(17, 17, 17, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  text-align: center;
}

.loading-brand {
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.loading-content p {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.08;
}

.spinner {
  width: 46px;
  height: 46px;
  border: 5px solid rgba(17, 17, 17, 0.12);
  border-top-color: var(--gold);
  border-right-color: var(--blue);
  border-radius: 50%;
  animation: spin 720ms linear infinite;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: 48px 1fr 76px;
  align-items: center;
  gap: 8px;
  min-height: 64px;
  padding: 8px 14px;
  background: rgba(251, 251, 250, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.icon-button,
.timer,
.direction-button,
.toolbar button,
.key {
  border: 1px solid var(--line);
  background: var(--surface);
  cursor: pointer;
}

.icon-button {
  display: inline-flex;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 4px;
  border-radius: 50%;
}

.refresh-icon {
  display: block;
  color: var(--ink);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.brand-lockup {
  min-width: 0;
  text-align: center;
}

.brand-lockup p,
.date-label,
.stats,
.clue-column li {
  margin: 0;
  color: var(--muted);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

.brand-lockup p {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-lockup h1 {
  margin: 0;
  overflow: hidden;
  font-size: 21px;
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timer {
  height: 38px;
  border-radius: 999px;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 14px;
  font-weight: 800;
}

main {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: 16px;
}

.puzzle-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: flex-end;
  gap: 18px;
  padding: 12px;
  margin-bottom: 14px;
  border: 1px solid rgba(17, 17, 17, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(10px);
}

.date-label,
.stats {
  font-size: 13px;
  font-weight: 700;
}

.puzzle-meta h2 {
  margin: 2px 0 0;
  font-size: 28px;
  line-height: 1.05;
}

.stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 3px;
}

.puzzle-status {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.status-pill {
  display: grid;
  min-width: 0;
  min-height: 42px;
  align-content: center;
  gap: 1px;
  padding: 5px 4px;
  border: 1px solid rgba(17, 17, 17, 0.18);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.82);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  cursor: pointer;
}

.status-pill span {
  font-size: 12px;
  font-weight: 900;
}

.status-pill strong {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-pill.active {
  border-color: var(--ink);
  background: var(--gold-soft);
}

.status-pill.done strong {
  color: var(--blue-deep);
}

.board-wrap {
  display: flex;
  justify-content: center;
}

.board {
  display: grid;
  width: min(100%, 520px);
  aspect-ratio: 1;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(5, 1fr);
  border: 2px solid var(--ink);
  background: var(--ink);
  box-shadow: var(--shadow);
  touch-action: manipulation;
}

.board.solved {
  animation: solved-pop 720ms ease both;
}

.cell {
  position: relative;
  display: grid;
  min-width: 0;
  min-height: 0;
  place-items: center;
  border: 1px solid var(--ink);
  background: var(--square);
  background-color: var(--square);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: clamp(24px, 10vw, 58px);
  font-weight: 800;
  line-height: 1;
  text-transform: uppercase;
}

.cell.block {
  background: var(--block);
  background-color: var(--block);
}

.cell.highlighted {
  background: var(--gold-soft);
}

.cell.active {
  background: var(--gold);
  outline: 3px solid var(--ink);
  outline-offset: -3px;
}

.cell.related {
  background: var(--blue);
}

.cell.wrong {
  background: var(--wrong);
}

.number {
  position: absolute;
  top: 4px;
  left: 5px;
  color: var(--ink);
  font-size: clamp(9px, 2.5vw, 13px);
  font-weight: 800;
}

.active-clue {
  display: grid;
  grid-template-columns: 92px 1fr;
  align-items: stretch;
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.direction-button {
  border: 0;
  border-right: 1px solid var(--ink);
  border-radius: 0;
  background: var(--gold);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.active-clue p {
  min-height: 52px;
  margin: 0;
  padding: 12px 14px;
  font-size: 17px;
  line-height: 1.25;
}

.toolbar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 12px 0 18px;
}

.toolbar button {
  min-height: 42px;
  border-radius: 6px;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 14px;
  font-weight: 800;
}

.clues {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.clue-column h3 {
  margin: 0 0 8px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--ink);
  font-size: 20px;
}

.clue-column ol {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.clue-column li {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 8px;
  padding: 8px 6px;
  border-radius: 6px;
  font-size: 15px;
  line-height: 1.25;
}

.clue-column li.active {
  background: var(--gold-soft);
  color: var(--ink);
  font-weight: 800;
}

.clue-number {
  color: var(--ink);
  font-weight: 900;
  text-align: right;
}

.keyboard {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 10;
  display: grid;
  gap: 6px;
  padding: 8px 8px max(8px, env(safe-area-inset-bottom));
  background: rgba(234, 235, 238, 0.96);
  border-top: 1px solid #c6c8ce;
  backdrop-filter: blur(14px);
}

.key-row {
  display: grid;
  gap: 5px;
}

.key-row:nth-child(1) {
  grid-template-columns: repeat(10, 1fr);
}

.key-row:nth-child(2) {
  grid-template-columns: repeat(9, 1fr);
  padding: 0 5%;
}

.key-row:nth-child(3) {
  grid-template-columns: 1.45fr repeat(7, 1fr) 1.45fr;
}

.key {
  display: grid;
  min-width: 0;
  min-height: 42px;
  place-items: center;
  border: 0;
  border-radius: 5px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.28);
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  font-weight: 900;
}

.key.utility {
  background: #c8ccd4;
  font-size: 13px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 156px;
  left: 16px;
  z-index: 20;
  max-width: 420px;
  margin: 0 auto;
  padding: 12px 14px;
  transform: translateY(20px);
  border-radius: 8px;
  background: var(--ink);
  color: white;
  font-family:
    ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 14px;
  font-weight: 800;
  opacity: 0;
  pointer-events: none;
  text-align: center;
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.celebration {
  position: fixed;
  inset: 0;
  z-index: 30;
  overflow: hidden;
  pointer-events: none;
}

.celebration span {
  position: absolute;
  top: -18px;
  left: var(--x);
  width: 9px;
  height: 16px;
  border-radius: 2px;
  background: var(--color);
  box-shadow: 0 0 0 1px rgba(17, 17, 17, 0.08);
  animation: confetti-fall 2200ms cubic-bezier(0.16, 0.8, 0.28, 1) var(--delay) forwards;
}

.celebration span:nth-child(3n) {
  width: 13px;
  height: 8px;
}

.celebration span:nth-child(4n) {
  border-radius: 50%;
}

@keyframes confetti-fall {
  0% {
    transform: translate3d(0, -24px, 0) rotate(0deg);
    opacity: 0;
  }

  12% {
    opacity: 1;
  }

  100% {
    transform: translate3d(0, 110vh, 0) rotate(var(--spin));
    opacity: 0;
  }
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes solved-pop {
  0%,
  100% {
    transform: scale(1);
  }

  38% {
    transform: scale(1.025);
    box-shadow: 0 18px 44px rgba(248, 213, 95, 0.42);
  }
}

@media (prefers-reduced-motion: reduce) {
  .app-shell,
  .loading-screen {
    transition: none;
  }

  .spinner,
  .board.solved,
  .celebration span {
    animation: none;
  }

  .celebration {
    display: none;
  }
}

@media (min-width: 760px) {
  .app-shell {
    padding-bottom: 24px;
  }

  main {
    display: grid;
    grid-template-columns: minmax(360px, 520px) 1fr;
    grid-template-areas:
      "meta meta"
      "board clue"
      "active clue"
      "tools clue";
    gap: 0 24px;
  }

  .puzzle-meta {
    grid-area: meta;
  }

  .board-wrap {
    grid-area: board;
  }

  .active-clue {
    grid-area: active;
  }

  .toolbar {
    grid-area: tools;
  }

  .clues {
    grid-area: clue;
    align-content: start;
  }

  .keyboard {
    position: static;
    width: min(100%, 860px);
    margin: 0 auto 24px;
    border: 1px solid #c6c8ce;
    border-radius: 8px;
  }

  .toast {
    bottom: 24px;
  }
}