/* ToolyLab — Sudoku oyunu */
.sd-tool { max-width: 460px; margin: 0 auto; }

/* Öğeler arası boşluğu daralt (ızgara ↔ tuşlar arası fazla açıklık olmasın) */
.sd-tool .calc-card { gap: var(--spacing-sm); }

/* Mobilde kenar boşluklarını azalt → oyun alanı büyür */
@media (max-width: 640px) {
  .sd-tool .calc-card { padding: var(--spacing-md) var(--spacing-sm); }
}

.sd-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  margin-bottom: 0;
  flex-wrap: wrap;
}
.sd-timer-wrap { display: inline-flex; align-items: center; gap: var(--spacing-sm); }
.sd-timer {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  color: var(--text-secondary);
}
.sd-timer svg { width: 18px; height: 18px; }

/* Duraklat / devam butonu */
.sd-pause {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.sd-pause:hover { background: rgba(255, 255, 255, 0.14); color: var(--text-primary); }
.sd-pause svg { width: 18px; height: 18px; }
.sd-pause .icon-play { display: none; }
.sd-pause.paused .icon-pause { display: none; }
.sd-pause.paused .icon-play { display: inline-flex; }

/* Tahta + duraklatma katmanı */
.sd-board { position: relative; }

/* 9x9 ızgara — font ızgara genişliğine göre ölçeklenir (tam ekranda da tutarlı) */
.sd-grid {
  container-type: inline-size;
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 0;
  aspect-ratio: 1 / 1;
  width: 100%;
  border: 2px solid var(--text-secondary);
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
  touch-action: manipulation;
}
.sd-cell {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: transparent;
  color: #a5b4fc;
  font-size: clamp(1rem, 6cqi, 2rem);
  line-height: 1;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  transition: background 0.1s ease;
  aspect-ratio: 1 / 1;
}
/* Kalın 3×3 çizgileri, DOM'da sonra gelen komşuların soluk çizgilerinin ÜSTÜNDE
   kalsın ki kesikli görünmesin (hücreler position:relative olduğu için z-index geçerli). */
.sd-cell.br { border-right: 2px solid var(--text-secondary); z-index: 4; }
.sd-cell.bb { border-bottom: 2px solid var(--text-secondary); z-index: 4; }
.sd-cell.given { color: var(--text-primary); font-weight: 700; cursor: default; }
.sd-cell.peer { background: rgba(255, 255, 255, 0.05); }
.sd-cell.same { background: rgba(129, 140, 248, 0.22); }
.sd-cell.selected { background: rgba(129, 140, 248, 0.38); }
.sd-cell.conflict { color: #f87171; background: rgba(248, 113, 113, 0.16); }

/* Kalem notları (3x3 mini) */
.sd-notes {
  position: absolute;
  inset: 8%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  font-size: clamp(0.4rem, 2cqi, 0.65rem);
  line-height: 1;
  color: var(--text-muted);
  font-weight: 500;
}
.sd-notes span { display: flex; align-items: center; justify-content: center; }

/* Duraklatma katmanı — tahtayı örter (sayılar gizlenir) */
.sd-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--border-radius-sm);
  background: rgba(15, 15, 25, 0.72);
  backdrop-filter: blur(6px);
  color: var(--text-primary);
  font-weight: 600;
  cursor: pointer;
}
.sd-overlay[hidden] { display: none; }
.sd-overlay svg { width: 40px; height: 40px; color: #a5b4fc; }
.sd-overlay span { font-size: 0.95rem; color: var(--text-secondary); }

/* Durum / kazandın — boşken yer kaplamaz (ızgara ile tuşlar yakın dursun) */
.sd-status {
  min-height: 0;
  margin: 0;
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
}
.sd-status:empty { display: none; }
.sd-status.win { color: #34d399; font-size: 1.05rem; }

/* Rakam tuşları — 5 sütun × 2 satır, büyük dokunma alanı (10. tuş: sil) */
.sd-pad {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-bottom: 0;
}
.sd-num {
  min-height: clamp(48px, 13vw, 64px);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.07);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: clamp(1.2rem, 6vw, 1.7rem);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.sd-num:hover { background: rgba(255, 255, 255, 0.15); }
.sd-num:active { transform: translateY(1px); }
.sd-num.done { opacity: 0.28; }
.sd-num-erase { color: var(--text-secondary); }
.sd-num-erase svg { width: 26px; height: 26px; }

/* Alt kontroller — Notlar + Yeni Oyun */
.sd-controls {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}
.sd-ctl {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: var(--spacing-sm);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary);
  font-size: 0.9rem;
}
.sd-ctl svg { width: 18px; height: 18px; }
.sd-ctl:hover { background: rgba(255, 255, 255, 0.12); color: var(--text-primary); }
.sd-ctl.active { background: rgba(129, 140, 248, 0.25); color: var(--text-primary); border-color: rgba(129, 140, 248, 0.5); }
.sd-new { background: var(--gradient-primary); color: #fff; border: none; }
.sd-new:hover { opacity: 0.92; color: #fff; }