/* Herald · Sudoku — app tweaks. Base in glass-core.css. */

.sk-section-label {
  margin: 6px 2px 8px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
}
.sk-diffs { display: flex; gap: 10px; }
.sk-chip {
  flex: 1;
  min-height: 56px;
  font-size: 17px;
  font-weight: 800;
  color: var(--text-secondary);
  background: var(--frost-1);
  border: 1px solid var(--frost-border);
  border-radius: 14px;
}
.sk-chip.on {
  color: #06250f;
  background: linear-gradient(135deg, #7ee7a6, #36c46e);
  border-color: transparent;
  box-shadow: 0 8px 20px rgba(54, 196, 110, 0.32);
}
.sk-chip:focus {
  outline: none;
  border-color: var(--focus-ring);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}
.sk-btns { display: flex; gap: 12px; margin-top: 22px; }
.sk-btn {
  flex: 1;
  min-height: 56px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text-secondary);
  background: var(--frost-1);
  border: 1px solid var(--frost-border);
  border-radius: 980px;
}
.sk-btn.primary {
  color: #06250f;
  background: linear-gradient(135deg, #7ee7a6, #36c46e);
  border-color: transparent;
  box-shadow: 0 10px 24px rgba(54, 196, 110, 0.32);
}
.sk-btn:focus {
  outline: none;
  border-color: var(--focus-ring);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}
.sk-btn.primary:focus {
  color: #06250f;
  transform: translateY(-1px);
  box-shadow: 0 0 0 2px var(--focus-ring), 0 12px 28px rgba(54, 196, 110, 0.46);
}
.sk-foot {
  margin-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* Board — full-bleed play screen. */
#play { padding: 0; }
.sk-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sk-board {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  width: 486px;
  height: 486px;
  background: rgba(255, 255, 255, 0.16);
  border: 2.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 8px;
  overflow: hidden;
}
.sk-cell {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  color: #a8d8ff;
  background: rgba(8, 10, 16, 0.42);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  text-shadow: 0 0 6px rgba(168,216,255,0.35);
}
.sk-cell.br { border-right: 3px solid rgba(255, 255, 255, 0.65); }
.sk-cell.bb { border-bottom: 3px solid rgba(255, 255, 255, 0.65); }
.sk-cell.given {
  color: #fff;
  font-weight: 900;
  text-shadow: 0 0 8px rgba(255,255,255,0.5);
  background: rgba(20,24,34,0.45);
}
.sk-cell.cur {
  background: rgba(126, 231, 166, 0.36);
  box-shadow: inset 0 0 0 3px #6affb4, 0 0 18px rgba(54,196,110,0.5);
  z-index: 2;
}
.sk-cell.edit {
  background: rgba(255, 206, 117, 0.42);
  box-shadow: inset 0 0 0 3px #ffce75, 0 0 18px rgba(255,206,117,0.55);
  color: #fff;
  z-index: 2;
}
.sk-cell.bad {
  color: #ff8d9c;
  background: rgba(255, 90, 110, 0.26);
  text-shadow: 0 0 8px rgba(255,107,129,0.55);
}
.sk-over {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--iri), var(--frost-1);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
}
.sk-over-t {
  font-size: 34px;
  font-weight: 800;
  color: #7ee7a6;
  text-shadow: 0 0 22px rgba(54, 196, 110, 0.6);
}
.sk-over-s { font-size: 14px; color: var(--text-secondary); }
.sk-hud {
  flex-shrink: 0;
  text-align: center;
  padding: 8px 0 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.4px;
  color: #8fe6b0;
  background: var(--frost-1);
}