/* ---------------------------------------------------------------
   Sudoku - game-specific styles.

   Loaded after /assets/base.css, which supplies the design tokens,
   the top bar, the buttons, the footer, the modals, the cookie
   banner and the legal-page layout shared by every Lynxy game.
   Only what belongs to the Sudoku board lives here.
---------------------------------------------------------------- */

/* --------------------------- header extras ----------------------------- */

.stats {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

.stat {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 4px 10px;
  text-align: center;
  min-width: 58px;
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.stat__value {
  font-size: 17px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-dim);
}

/* Three counters, the brand and the two buttons only fit a phone once the
   tiles give up their padding and the brand keeps just its mark. */
@media (max-width: 520px) {
  .stats { gap: 6px; }
  .stat { min-width: 44px; padding: 4px 6px; }
  .stat__value { font-size: 15px; }
  .stat__label { font-size: 9px; letter-spacing: .04em; }
  .brand__name { display: none; }
}

.topbar__hint {
  max-width: 560px;
  margin: 6px auto 0;
  padding: 0 16px;
  font-size: 12px;
  color: var(--text-dim);
}

/* -------------------------------- page --------------------------------- */

.page {
  flex: 1;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  padding: 14px 16px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.panel {
  display: flex;
  gap: 10px;
  align-items: center;
}

.levels {
  flex: 1;
  display: flex;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 3px;
  gap: 3px;
}

.level {
  flex: 1;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 4px;
  border-radius: 9px;
  cursor: pointer;
}

.level.is-active {
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow);
}

.meta {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--text-dim);
}

.meta__item {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px 11px;
  font-variant-numeric: tabular-nums;
}

.meta__item--time { margin-left: auto; }
.meta__item.is-warn { color: var(--error); border-color: var(--error); }

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

.board-wrap {
  position: relative;
}

.board {
  aspect-ratio: 1 / 1;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  grid-template-rows: repeat(9, 1fr);
  background: var(--surface);
  border: 2px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  touch-action: manipulation;
}

.cell {
  position: relative;
  border: 0;
  padding: 0;
  margin: 0;
  background: var(--surface);
  color: var(--entry);
  font: inherit;
  font-size: clamp(18px, 5.4vw, 26px);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow:
    inset -1px 0 0 var(--border),
    inset 0 -1px 0 var(--border);
  transition: background-color .12s ease;
}

/* 3x3 block separators */
.cell[data-col="2"], .cell[data-col="5"] { box-shadow: inset -2px 0 0 var(--border-strong), inset 0 -1px 0 var(--border); }
.cell[data-row="2"], .cell[data-row="5"] { box-shadow: inset -1px 0 0 var(--border), inset 0 -2px 0 var(--border-strong); }
.cell[data-row="2"][data-col="2"], .cell[data-row="2"][data-col="5"],
.cell[data-row="5"][data-col="2"], .cell[data-row="5"][data-col="5"] {
  box-shadow: inset -2px 0 0 var(--border-strong), inset 0 -2px 0 var(--border-strong);
}

.cell.is-peer { background: var(--peer); }
.cell.is-same { background: var(--same); }
.cell.is-selected { background: var(--accent-soft); }
.cell.is-given { color: var(--given); font-weight: 700; }
.cell.is-error { color: var(--error); background: var(--error-soft); }
.cell.is-hint { animation: pop .45s ease; color: var(--ok); }

.cell:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  z-index: 2;
}

@keyframes pop {
  0% { transform: scale(.7); }
  60% { transform: scale(1.12); }
  100% { transform: scale(1); }
}

.notes {
  position: absolute;
  inset: 2px;
  display: grid;
  grid-template: repeat(3, 1fr) / repeat(3, 1fr);
  font-size: clamp(7px, 2vw, 10px);
  line-height: 1;
  color: var(--text-dim);
  font-weight: 600;
  pointer-events: none;
}

.notes span { display: grid; place-items: center; }

.board-cover {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: var(--bg); /* fallback for browsers without color-mix */
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(6px);
  border-radius: var(--radius);
  z-index: 3;
}

.board-cover[hidden] { display: none; }

.board-cover__card {
  text-align: center;
  display: grid;
  gap: 12px;
  font-weight: 600;
}

.board-cover__card p { margin: 0; }

/* ---------------------------- touch picker ----------------------------- */

.picker {
  position: absolute;
  z-index: 6;
  width: 190px;
  padding: 6px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  animation: rise .14s cubic-bezier(.2, .8, .3, 1);
}

.picker[hidden] { display: none; }

.picker__keys {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

.picker__key {
  aspect-ratio: 1 / 1;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--accent);
  font: inherit;
  font-size: 22px;
  font-weight: 600;
  cursor: pointer;
  display: grid;
  place-items: center;
}

.picker__key:active { transform: scale(.94); }
.picker__key.is-done { color: var(--text-dim); opacity: .4; }
.picker__key.is-noted { background: var(--accent-soft); border-color: var(--accent); }

.picker__row {
  display: flex;
  gap: 4px;
  margin-top: 4px;
}

.picker__act {
  flex: 1;
  border: 1px solid var(--border);
  border-radius: 11px;
  background: var(--surface-2);
  color: var(--text-dim);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  padding: 8px 4px;
  cursor: pointer;
}

.picker__act[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

/* -------------------------------- tools -------------------------------- */

.tools {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.tool {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-dim);
  font: inherit;
  font-size: 11px;
  font-weight: 600;
  padding: 8px 2px 6px;
  display: grid;
  justify-items: center;
  gap: 3px;
  cursor: pointer;
}

.tool:active { transform: scale(.97); }
.tool[disabled] { opacity: .45; cursor: default; }

.tool[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.tool__state {
  font-style: normal;
  opacity: .7;
  font-size: 10px;
}

/* ------------------------------- numpad -------------------------------- */

.numpad {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.num {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--accent);
  font: inherit;
  font-size: clamp(20px, 6vw, 26px);
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow);
  display: grid;
  place-items: center;
}

.num:active { transform: scale(.96); }

.num.is-done {
  color: var(--text-dim);
  opacity: .45;
}

/* Small screens tap a cell and pick a digit right there, so the pad is hidden. */
.numpad { display: none; }

@media (min-width: 700px) {
  .numpad {
    display: grid;
    grid-template-columns: repeat(9, 1fr);
  }
  .num { border-radius: 12px; }
}

/* ---------------------------- win/lose dialog -------------------------- */

.score-row {
  display: flex;
  gap: 8px;
  margin: 18px 0;
}

.score-row__item {
  flex: 1;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 4px;
  display: grid;
  gap: 2px;
}

.score-row__value {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.score-row__item:first-child .score-row__value { color: var(--ok); }
.score-row__item--bad .score-row__value,
.score-row__item--bad:first-child .score-row__value { color: var(--error); }

.score-row__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-dim);
}

/* ------------------------ about / SEO copy ----------------------------- */

.about {
  border-top: 1px solid var(--border);
  padding-top: 18px;
  color: var(--text-dim);
  font-size: 14px;
}

.about h1 {
  font-size: 18px;
  letter-spacing: -.02em;
  color: var(--text);
  margin: 0 0 6px;
}

.about h2 {
  font-size: 15px;
  color: var(--text);
  margin: 18px 0 4px;
}

.about p { margin: 0 0 8px; }