/* =============================================================================
   Lag — daily five-letter game with one-turn-delayed feedback
   ============================================================================= */

.lag-page {
  --lag-tile-size: 52px;
  --lag-gap: 5px;
  --lag-key-gap: 5px;

  max-width: 42rem;
}

.lag-page-header {
  margin-bottom: var(--space-4);
  text-align: center;
}

.lag-page-header .page-header__subtitle {
  max-width: 34rem;
  margin-inline: auto;
}

.lag-eyebrow {
  margin: 0 0 var(--space-1);
  color: var(--accent-text);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.lag-game {
  width: min(100%, 38rem);
  margin: 0 auto var(--space-6);
  padding: var(--space-4);
  overflow: hidden;
}

.lag-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  width: min(100%, 18rem);
  margin: 0 auto var(--space-4);
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-1);
}

.lag-mode-button {
  min-height: 38px;
  padding: var(--space-1) var(--space-3);
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font: inherit;
  font-size: var(--text-sm);
  font-weight: 700;
  cursor: pointer;
}

.lag-mode-button[aria-pressed="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.lag-mode-button:hover:not([aria-pressed="true"]):not(:disabled) {
  background: var(--btnHover);
  color: var(--fg);
}

.lag-mode-button:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
}

.lag-mode-button:disabled {
  cursor: wait;
  opacity: var(--disabled-opacity);
}

.lag-mode-note {
  max-width: 30rem;
  margin: calc(var(--space-3) * -1) auto var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-xs);
  text-align: center;
}

.lag-practice-actions {
  margin: calc(var(--space-3) * -1) auto var(--space-3);
  text-align: center;
}

.lag-meta {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  margin-bottom: var(--space-2);
}

.lag-puzzle-label,
.lag-attempt-label {
  margin: 0;
  font-size: var(--text-sm);
}

.lag-puzzle-label {
  font-family: var(--font-display);
  font-weight: 700;
}

.lag-attempt-label {
  color: var(--text-secondary);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.lag-meta-actions {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: var(--space-4);
}

.lag-text-button {
  min-height: 32px;
  padding: 2px 4px;
  border: 0;
  border-bottom: 1px solid transparent;
  background: transparent;
  color: var(--accent-text);
  font: inherit;
  font-size: var(--text-xs);
  font-weight: 700;
  cursor: pointer;
}

.lag-text-button:hover {
  border-bottom-color: currentColor;
}

.lag-text-button:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-radius: var(--radius-sm);
}

.lag-status {
  min-height: 2.7em;
  margin: 0 0 var(--space-3);
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.35;
  text-align: center;
}

.lag-status[data-tone="error"] {
  color: var(--danger);
}

.lag-status[data-tone="success"] {
  color: var(--success);
  font-weight: 700;
}

/* --------------------------------------------------------------------- board */

.lag-board {
  display: grid;
  grid-template-rows: repeat(7, var(--lag-tile-size));
  gap: var(--lag-gap);
  width: max-content;
  max-width: 100%;
  margin: 0 auto var(--space-2);
}

.lag-row {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, var(--lag-tile-size));
  gap: var(--lag-gap);
  perspective: 900px;
}

.lag-tile {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--lag-tile-size);
  height: var(--lag-tile-size);
  border: 2px solid var(--tile-border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: calc(var(--lag-tile-size) * 0.48);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
  transform-style: preserve-3d;
  transition: border-color var(--transition-fast), background-color var(--transition-fast), transform var(--transition-fast);
  user-select: none;
}

.lag-tile__letter {
  position: relative;
  z-index: 1;
}

.lag-row--editing .lag-tile {
  background: color-mix(in srgb, var(--surface) 94%, var(--accent) 6%);
}

.lag-row--editing .lag-tile--filled {
  border-color: var(--muted);
  animation: lag-type 100ms ease-out;
}

.lag-row--editing .lag-tile:not(.lag-tile--filled):first-of-type,
.lag-row--editing .lag-tile--filled + .lag-tile:not(.lag-tile--filled) {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.lag-row--pending .lag-tile,
.lag-row--revealing .lag-tile--pending {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
  border-style: dashed;
  background: var(--panel-2);
}

.lag-row--hint .lag-tile {
  border-color: color-mix(in srgb, var(--accent) 52%, var(--border));
  border-style: dashed;
  background: var(--accent-soft);
  color: var(--accent-text);
}

.lag-row--hint::before {
  content: "hint";
  position: absolute;
  top: 50%;
  right: calc(100% + 8px);
  color: var(--accent-text);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
}

.lag-row--hint .lag-tile--filled::after {
  content: "\1F4A1";
  position: absolute;
  top: 2px;
  right: 3px;
  font-size: 9px;
}

.lag-row--pending .lag-tile:last-child::after,
.lag-row--revealing .lag-tile--pending:last-child::after {
  content: "\231B";
  position: absolute;
  top: 2px;
  right: 3px;
  color: var(--accent-text);
  font-size: 9px;
  line-height: 1;
}

.lag-row--pending::before {
  content: "pending";
  position: absolute;
  top: 50%;
  right: calc(100% + 8px);
  color: var(--text-muted);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transform: translateY(-50%) rotate(-90deg);
  transform-origin: center;
}

.lag-tile--absent {
  border-color: var(--absent);
  background: var(--absent);
  color: var(--on-gray);
}

.lag-tile--present {
  border-color: var(--present);
  background: var(--present);
  color: var(--on-yellow);
}

.lag-tile--correct {
  border-color: var(--correct);
  background: var(--correct);
  color: var(--on-green);
}

/* Keep feedback readable without relying on color perception alone. */
.lag-tile--absent::after,
.lag-tile--present::after,
.lag-tile--correct::after,
.lag-key--absent::after,
.lag-key--present::after,
.lag-key--correct::after,
.lag-demo-tile--absent::after,
.lag-demo-tile--present::after,
.lag-demo-tile--correct::after {
  position: absolute;
  top: 2px;
  right: 3px;
  color: currentColor;
  font-size: 9px;
  font-weight: 800;
  line-height: 1;
}

.lag-tile--absent::after,
.lag-key--absent::after,
.lag-demo-tile--absent::after { content: "\00D7"; }

.lag-tile--present::after,
.lag-key--present::after,
.lag-demo-tile--present::after { content: "\2194"; }

.lag-tile--correct::after,
.lag-key--correct::after,
.lag-demo-tile--correct::after { content: "\2713"; }

.lag-tile--flip {
  animation: lag-flip 180ms ease-in-out;
}

.lag-row--shake {
  animation: lag-shake 300ms ease-in-out;
}

@keyframes lag-type {
  0% { transform: scale(0.92); }
  65% { transform: scale(1.07); }
  100% { transform: scale(1); }
}

@keyframes lag-flip {
  0% { transform: rotateX(0); }
  48% { transform: rotateX(90deg); }
  52% { transform: rotateX(90deg); }
  100% { transform: rotateX(0); }
}

@keyframes lag-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-4px); }
  40%, 80% { transform: translateX(4px); }
}

.lag-pending-note {
  min-height: 1.5em;
  margin: var(--space-1) 0 var(--space-2);
  color: var(--accent-text);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-align: center;
  text-transform: uppercase;
}

/* ---------------------------------------------------------------------- hint */

.lag-hint {
  width: min(100%, 32rem);
  margin: var(--space-3) auto;
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
}

.lag-hint__heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.lag-hint h2,
.lag-hint p {
  margin: 0;
}

.lag-hint h2 {
  font-family: var(--font-display);
  font-size: var(--text-sm);
}

.lag-hint__heading p,
.lag-hint-confirm p,
.lag-hint-reveal {
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.lag-hint__heading p {
  margin-top: 2px;
}

.lag-hint-button {
  flex: 0 0 auto;
  min-height: 44px;
}

.lag-hint-button:disabled {
  color: var(--text-muted);
  cursor: default;
  opacity: var(--disabled-opacity);
}

.lag-hint-confirm {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--border);
}

.lag-hint-confirm > div {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.lag-hint-confirm .btn {
  min-height: 44px;
}

.lag-hint-reveal {
  margin-top: var(--space-3);
  padding: var(--space-3);
  border: 1px solid color-mix(in srgb, var(--accent) 55%, var(--border));
  border-radius: var(--radius-md);
  background: var(--accent-soft);
  color: var(--fg);
  font-weight: 700;
  text-align: center;
}

/* ------------------------------------------------------------------ keyboard */

.lag-keyboard {
  display: grid;
  gap: var(--lag-key-gap);
  width: min(100%, 32rem);
  margin: var(--space-2) auto 0;
  padding: var(--space-1) 0;
  user-select: none;
}

.lag-key-row {
  display: flex;
  justify-content: center;
  gap: var(--lag-key-gap);
}

.lag-key-row--middle {
  padding-inline: 4.5%;
}

.lag-key {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  height: 46px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--btn);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  transition: transform var(--transition-fast), background-color var(--transition-fast), opacity var(--transition-fast);
}

.lag-key--wide {
  flex-grow: 1.55;
  font-size: 10px;
}

.lag-key:hover:not(:disabled) {
  background: var(--btnHover);
  transform: translateY(-1px);
}

.lag-key:active:not(:disabled) {
  transform: translateY(1px);
}

.lag-key:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-ring-offset);
  z-index: 2;
}

.lag-key:disabled {
  cursor: default;
}

.lag-game[aria-busy="true"] .lag-key {
  opacity: var(--disabled-opacity);
}

.lag-key--absent {
  border-color: var(--absent);
  background: var(--absent);
  color: var(--on-gray);
  opacity: 0.72;
}

.lag-key--present {
  border-color: var(--present);
  background: var(--present);
  color: var(--on-yellow);
}

.lag-key--correct {
  border-color: var(--correct);
  background: var(--correct);
  color: var(--on-green);
}

/* --------------------------------------------------------------- end panels */

.lag-result,
.lag-stats {
  margin-top: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
}

.lag-result {
  text-align: center;
  animation: lag-result-in var(--transition-slow) ease-out;
}

.lag-result h2,
.lag-stats h2,
.lag-stats h3 {
  font-family: var(--font-display);
}

.lag-result h2 {
  margin: 0 0 var(--space-2);
  font-size: var(--text-xl);
}

.lag-result p {
  margin: 0;
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.lag-result-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.lag-share-feedback {
  min-height: 1.3em;
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.lag-result .lag-result-next {
  margin-top: var(--space-3);
  color: var(--text-muted);
  font-size: var(--text-xs);
}

@keyframes lag-result-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.lag-stats-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
}

.lag-stats-heading h2,
.lag-stats-heading p {
  margin: 0;
}

.lag-stats-heading h2 {
  font-size: var(--text-lg);
}

.lag-stats-heading p {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

.lag-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-2);
  margin: var(--space-4) 0;
}

.lag-stats-grid .stat-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.lag-stats-grid .stat-value {
  font-size: var(--text-2xl);
}

.lag-stats h3 {
  margin: 0 0 var(--space-3);
  font-size: var(--text-base);
}

.lag-distribution {
  display: grid;
  gap: var(--space-1);
}

.lag-dist-row {
  display: grid;
  grid-template-columns: 18px 1fr;
  align-items: center;
  gap: var(--space-2);
}

.lag-dist-label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-align: right;
}

.lag-dist-track {
  display: block;
  height: 22px;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
}

.lag-dist-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  width: calc(var(--lag-dist-percent, 0) * 1%);
  min-width: 22px;
  height: 100%;
  padding-right: 6px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  transition: width var(--transition-medium);
}

.lag-dist-bar--current {
  background: var(--correct);
  color: var(--on-green);
}

.lag-dist-count {
  font-size: 10px;
  font-weight: 700;
}

.lag-explainer {
  max-width: var(--measure);
  margin-inline: auto;
}

/* ------------------------------------------------------------- help tutorial */

.lag-help {
  width: min(620px, calc(100% - 32px));
}

.lag-help-steps {
  margin: var(--space-3) 0 var(--space-4);
  padding-left: 1.4rem;
  color: var(--text-secondary);
}

.lag-help-steps li + li {
  margin-top: var(--space-2);
}

.lag-help-example {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface-1);
}

.lag-help-example__stage {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
}

.lag-help-example__label {
  color: var(--text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--tracking-caps);
  text-transform: uppercase;
}

.lag-help-example__note {
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.lag-help-example__arrow {
  color: var(--accent-text);
  font-size: var(--text-xl);
}

.lag-demo-row {
  display: flex;
  gap: 3px;
}

.lag-demo-tile {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--tile-border);
  border-radius: 3px;
  background: var(--surface);
  color: var(--fg);
  font-family: var(--font-display);
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

.lag-demo-row--pending .lag-demo-tile {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--border));
  border-style: dashed;
  background: var(--panel-2);
}

.lag-demo-tile--absent {
  border-color: var(--absent);
  background: var(--absent);
  color: var(--on-gray);
}

.lag-demo-tile--present {
  border-color: var(--present);
  background: var(--present);
  color: var(--on-yellow);
}

.lag-demo-tile--correct {
  border-color: var(--correct);
  background: var(--correct);
  color: var(--on-green);
}

.lag-help-lock {
  margin: var(--space-4) 0;
  padding: var(--space-3);
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.lag-help-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-4);
  color: var(--text-secondary);
  font-size: var(--text-xs);
}

.lag-help-legend > span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

/* ------------------------------------------------ color-blind / forced color */

html.color-blind .lag-tile--absent,
html.color-blind .lag-key--absent,
html.color-blind .lag-demo-tile--absent {
  background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.24) 0 2px, transparent 2px 6px);
}

html.color-blind .lag-tile--present,
html.color-blind .lag-key--present,
html.color-blind .lag-demo-tile--present {
  border-style: dashed;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.24) 0 2px, transparent 2px 6px);
}

html.color-blind .lag-tile--correct,
html.color-blind .lag-key--correct,
html.color-blind .lag-demo-tile--correct {
  border-width: 2px;
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.24) 0 2px, transparent 2px 6px);
}

html.color-blind .lag-row--revealed .lag-tile::after,
html.color-blind .lag-row--revealing .lag-tile:not(.lag-tile--pending)::after {
  position: absolute;
  top: 2px;
  right: 3px;
  color: currentColor;
  font-size: 9px;
  font-weight: 800;
}

html.color-blind .lag-tile--absent::after { content: "X"; }
html.color-blind .lag-tile--present::after { content: "?"; }
html.color-blind .lag-tile--correct::after { content: "\2713"; }

@media (forced-colors: active) {
  .lag-row--pending .lag-tile {
    border-style: dashed;
  }

  .lag-tile--absent {
    border-style: dotted;
  }

  .lag-tile--present {
    border-style: dashed;
    border-width: 3px;
  }

  .lag-tile--correct {
    border-style: double;
    border-width: 4px;
  }

  .lag-key:focus-visible,
  .lag-text-button:focus-visible,
  .lag-mode-button:focus-visible {
    outline: 3px solid Highlight;
  }
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 600px) {
  .lag-page {
    --lag-tile-size: clamp(42px, 13vw, 50px);
    --lag-gap: 4px;
    --lag-key-gap: 4px;
  }

  .lag-page-header {
    margin-bottom: var(--space-3);
  }

  .lag-game {
    padding: var(--space-3);
    border-radius: var(--radius-lg);
  }

  .lag-status {
    margin-bottom: var(--space-2);
  }

  .lag-row--pending::before {
    content: none;
  }

  .lag-row--hint::before {
    content: none;
  }

  .lag-key {
    height: 46px;
    font-size: 12px;
  }

  .lag-key--wide {
    font-size: 9px;
  }

  .lag-stats-grid {
    gap: var(--space-1);
  }

  .lag-stats-grid .stat-value {
    font-size: var(--text-xl);
  }

  .lag-stats-grid .stat-label {
    font-size: 10px;
  }

  .lag-help-example {
    grid-template-columns: 1fr;
  }

  .lag-hint__heading {
    align-items: flex-start;
  }

  .lag-help-example__arrow {
    transform: rotate(90deg);
    justify-self: center;
  }
}

@media (max-width: 350px) {
  .lag-page {
    --lag-tile-size: 40px;
  }

  .lag-game {
    padding-inline: var(--space-2);
  }

  .lag-key {
    height: 44px;
    font-size: 11px;
  }
}

@media (max-height: 720px) and (max-width: 600px) {
  .lag-page {
    --lag-tile-size: 42px;
    --lag-gap: 3px;
  }

  .lag-page-header .page-header__subtitle {
    margin-bottom: 0;
  }

  .lag-status {
    min-height: 1.5em;
  }

  .lag-key {
    height: 44px;
  }
}

@media (pointer: coarse) {
  .lag-text-button,
  .lag-mode-button,
  .lag-key {
    min-height: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .lag-tile,
  .lag-key,
  .lag-dist-bar {
    transition: none;
  }

  .lag-tile--filled,
  .lag-tile--flip,
  .lag-row--shake,
  .lag-result {
    animation: none;
  }
}