/* Sudoku — own styles, theme variables only. Root class: .sd */

.sd { width: 100%; max-width: 600px; }

.sd-bar { display: flex; align-items: stretch; justify-content: space-between; gap: 10px; margin-bottom: 12px; }

.sd-stat {
  min-width: 84px;
  padding: 8px 14px 6px;
  text-align: center;
  border-radius: 10px;
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
}
.sd-stat b {
  display: block;
  font: 500 1.35rem/1.15 var(--gm-display, "Fraunces", Georgia, serif);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.sd-lab {
  display: block;
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
}

.sd-notes { min-height: 44px; align-self: center; touch-action: manipulation; }
.sd-notes[aria-pressed="true"] {
  background: var(--gm-accent, #c0392b);
  border-color: var(--gm-accent, #c0392b);
  color: #fff;
}

.sd-wrap { container-type: inline-size; width: 100%; }

.sd-grid {
  --cell: calc((100cqw - 4px - 8px) / 9);
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  width: 100%;
  aspect-ratio: 1;
  box-sizing: border-box;
  padding: 2px;
  background: var(--gm-surface, #1b2740);
  border: 2px solid var(--gm-text, #f2eee6);
  border-radius: var(--gm-radius, 12px);
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.sd-cell {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  display: block;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  touch-action: manipulation;
  color: var(--gm-accent-bright, #e0584a);
  background: var(--gm-bg-2, #131c2b);
  box-shadow: inset -1px -1px 0 var(--gm-line, rgba(255, 255, 255, 0.12)), inset 1px 1px 0 var(--gm-line, rgba(255, 255, 255, 0.12));
}
.sd-cell.bx-r { border-right: 2px solid var(--gm-text, #f2eee6); }
.sd-cell.bx-b { border-bottom: 2px solid var(--gm-text, #f2eee6); }
.sd-cell.is-given { color: var(--gm-text, #f2eee6); background: var(--gm-surface, #1b2740); }

.sd-cell:focus-visible { outline: 3px solid var(--gm-accent-bright, #e0584a); outline-offset: -3px; z-index: 2; }

.sd-cell.is-peer { background: var(--gm-surface-2, #22304a); }
.sd-cell.is-same { background: var(--gm-accent-soft, rgba(192, 57, 43, 0.3)); }
.sd-cell.is-selected {
  background: var(--gm-accent-soft, rgba(192, 57, 43, 0.3));
  box-shadow: inset 0 0 0 3px var(--gm-accent, #c0392b);
}
.sd-cell.is-clash:not(.is-selected) { background: var(--gm-bad-soft, rgba(224, 88, 74, 0.22)); }
.sd-cell.is-clash .sd-val { color: var(--gm-bad, #e0584a); }
.sd-cell.is-wrong .sd-val { color: var(--gm-bad, #e0584a); text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 3px; }
.sd-cell.is-solved { background: var(--gm-good-soft, rgba(88, 190, 130, 0.22)); }

.sd-val {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font: 500 calc(var(--cell) * 0.58)/1 var(--gm-display, "Fraunces", Georgia, serif);
  pointer-events: none;
}
.sd-cell.is-given .sd-val { font-weight: 700; }

.sd-ns {
  position: absolute;
  inset: 5%;
  display: none;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  pointer-events: none;
}
.sd-cell.has-notes .sd-ns { display: grid; }
.sd-ns span {
  display: flex;
  align-items: center;
  justify-content: center;
  font: 600 calc(var(--cell) * 0.26)/1 var(--gm-body, "DM Sans", system-ui, sans-serif);
  color: var(--gm-muted, rgba(242, 238, 230, 0.66));
  visibility: hidden;
}
.sd-ns span.is-on { visibility: visible; }

/* number pad: 1-9 plus erase */
.sd-pad { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-top: 12px; }
.sd-pad button {
  appearance: none;
  -webkit-appearance: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  min-height: 52px;
  padding: 6px 0;
  color: var(--gm-text, #f2eee6);
  background: var(--gm-surface, #1b2740);
  border: 1px solid var(--gm-line, rgba(255, 255, 255, 0.09));
  border-radius: 10px;
  cursor: pointer;
  touch-action: manipulation;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.sd-pad button:hover:not(:disabled) { border-color: var(--gm-accent-bright, #e0584a); }
.sd-pad button:focus-visible { outline: 3px solid var(--gm-accent-bright, #e0584a); outline-offset: 2px; }
.sd-pn { font: 500 1.3rem/1 var(--gm-display, "Fraunces", Georgia, serif); }
.sd-pc { font: 600 0.62rem/1 var(--gm-body, "DM Sans", system-ui, sans-serif); color: var(--gm-muted, rgba(242, 238, 230, 0.66)); min-height: 0.62rem; }
.sd-pad button.is-done { opacity: 0.35; }
.sd-pad button:disabled { cursor: default; }
.sd-pad .sd-erase { font: 600 0.85rem/1 var(--gm-body, "DM Sans", system-ui, sans-serif); }
.sd.is-notes .sd-pad button:not(.sd-erase) .sd-pn { font-size: 1.05rem; font-family: var(--gm-body, "DM Sans", system-ui, sans-serif); font-weight: 600; }
.sd.is-notes .sd-pad button:not(.sd-erase) { border-style: dashed; }

#gm-sudoku-daily .gm-status { margin-top: 12px; }
.gm-seg button, .gm-actions .gm-btn { min-height: 44px; }

@media (max-width: 480px) {
  .sd-bar { gap: 6px; }
  .sd-stat { min-width: 64px; padding: 8px 8px 6px; }
  .sd-stat b { font-size: 1.15rem; }
  .sd-pad { gap: 6px; }
}
@media (prefers-reduced-motion: reduce) { .sd-pad button { transition: none; } }