/* ==========================================
   小数点スナイパー - スタイルシート
   すべてのクラスに "ds-" プレフィックスを付与してスコープ化
   ========================================== */

/* 変数定義 */
.ds-wrapper {
  --ds-base: #FFFFFF;
  --ds-base-light: #FAFAFA;
  --ds-main: #1e3a5f;
  --ds-accent: #d4af37;
  --ds-text: #2C3E50;
  --ds-success: #10b981;
  --ds-danger: #ef4444;
  --ds-digit-color: #000000;
  
  --ds-digit-size: 80px;
  --ds-col-width: 120px;
  
  --ds-grid-line-color: #000000;
  --ds-grid-line-width: 2px;
}

/* リセット */
.ds-wrapper * {
  box-sizing: border-box !important;
}

/* ラッパー全体 */
.ds-wrapper {
  width: 100% !important;
  max-width: 100% !important;
  margin: 0 auto !important;
  padding: 0 !important;
  background-color: var(--ds-base-light) !important;
  color: var(--ds-text) !important;
  font-family: "UD Digi Kyokasho N-R", "UD デジタル 教科書体 N-R", "Noto Sans JP", sans-serif !important;
}

/* ヘッダー */
.ds-header {
  width: 100% !important;
  background: var(--ds-main) !important;
  border-bottom: 3px solid var(--ds-accent) !important;
  padding: 1rem !important;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1) !important;
  text-align: center !important;
  margin: 0 !important;
}

.ds-header h1 {
  margin: 0 !important;
  padding: 0 !important;
  color: #fff !important;
  font-size: clamp(1.2rem, 4vw, 1.6rem) !important;
  font-weight: bold !important;
  line-height: 1.4 !important;
}

/* ゲームコンテナ */
.ds-game-container {
  width: 98% !important;
  max-width: 1200px !important;
  margin: 20px auto !important;
  background: var(--ds-base) !important;
  border: 2px solid #E8E8E8 !important;
  border-radius: 24px !important;
  padding: 10px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
}

/* HUDエリア */
.ds-hud-area {
  margin-bottom: 10px !important;
  text-align: center !important;
}

.ds-mission-label {
  font-size: 14px !important;
  font-weight: bold !important;
  color: var(--ds-main) !important;
  background: #f1f5f9 !important;
  padding: 4px 12px !important;
  border-radius: 20px !important;
  display: inline-block !important;
}

.ds-mission-text {
  font-size: clamp(2rem, 5vw, 3rem) !important;
  font-weight: 900 !important;
  color: var(--ds-main) !important;
  margin: 8px 0 !important;
  line-height: 1.2 !important;
}

/* スコープ画面 */
.ds-scope-screen {
  position: relative !important;
  background-color: #FFFFFF !important;
  border-radius: 16px !important;
  padding: 0 0 30px 0 !important;
  width: 100% !important;
  min-height: 380px !important;
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  overflow: hidden !important;
  border: 4px solid #000000 !important;
}

/* 背景グリッド層 */
.ds-grid-bg-layer {
  position: absolute !important;
  top: 0 !important;
  left: 0 !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  justify-content: center !important;
  padding: 0 20px !important;
  pointer-events: none !important;
  z-index: 0 !important;
}

.ds-grid-bg-column {
  width: var(--ds-col-width) !important;
  height: 100% !important;
  border-right: var(--ds-grid-line-width) solid var(--ds-grid-line-color) !important;
}

.ds-grid-bg-column:first-child {
  border-left: var(--ds-grid-line-width) solid var(--ds-grid-line-color) !important;
}

.ds-grid-bg-column:nth-child(4) {
  background-color: rgba(0, 0, 0, 0.03) !important;
}

/* 位ラベル行 */
.ds-place-header-row {
  display: flex !important;
  justify-content: center !important;
  width: 100% !important;
  background-color: #f1f5f9 !important;
  border-bottom: var(--ds-grid-line-width) solid var(--ds-grid-line-color) !important;
  padding: 15px 20px !important;
  z-index: 50 !important;
  position: relative !important;
}

.ds-fixed-place-label {
  width: var(--ds-col-width) !important;
  text-align: center !important;
  font-size: 18px !important;
  font-weight: bold !important;
  color: var(--ds-main) !important;
  flex-shrink: 0 !important;
  border-right: var(--ds-grid-line-width) solid var(--ds-grid-line-color) !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  padding: 0 !important;
}

.ds-fixed-place-label:first-child {
  border-left: var(--ds-grid-line-width) solid var(--ds-grid-line-color) !important;
}

.ds-fixed-place-label.ds-decimal-place {
  color: #c2410c !important;
  font-size: 16px !important;
}

/* グリッドコンテナ */
.ds-grid-container {
  display: flex !important;
  align-items: flex-start !important;
  padding: 20px 20px 0 20px !important;
  position: relative !important;
  z-index: 10 !important;
  will-change: transform !important;
}

/* カラム */
.ds-column {
  display: flex !important;
  flex-direction: column !important;
  align-items: center !important;
  width: var(--ds-col-width) !important;
  position: relative !important;
  flex-shrink: 0 !important;
}

/* 数字ラッパー */
.ds-digit-wrapper {
  position: relative !important;
  height: var(--ds-digit-size) !important;
  width: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-top: 20px !important;
}

.ds-digit {
  font-family: "Courier New", monospace !important;
  font-size: var(--ds-digit-size) !important;
  font-weight: bold !important;
  color: var(--ds-digit-color) !important;
  line-height: 1 !important;
  z-index: 2 !important;
  min-height: var(--ds-digit-size) !important;
  margin: 0 !important;
  padding: 0 !important;
}

/* クリック領域（Gap） */
.ds-gap {
  position: absolute !important;
  right: -20px !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 40px !important;
  height: var(--ds-digit-size) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer !important;
  z-index: 15 !important;
}

.ds-target-mark {
  width: 30px !important;
  height: 30px !important;
  border: 3px solid var(--ds-accent) !important;
  border-radius: 50% !important;
  opacity: 0 !important;
  transition: all 0.2s !important;
  background: rgba(255,255,255,0.9) !important;
}

.ds-gap:hover .ds-target-mark {
  opacity: 1 !important;
  transform: scale(1.2) !important;
}

/* 動く小数点 */
.ds-active-decimal-point {
  width: 20px !important;
  height: 20px !important;
  background: var(--ds-danger) !important;
  border-radius: 50% !important;
  position: absolute !important;
  top: 100px !important;
  z-index: 30 !important;
  box-shadow: 0 0 0 3px #fff !important;
  transform: translateX(-50%) !important;
  transition-property: left !important;
  transition-timing-function: cubic-bezier(0.34, 1.56, 0.64, 1) !important;
}

.ds-active-decimal-point.ds-success {
  background: var(--ds-success) !important;
  box-shadow: 0 0 25px var(--ds-success) !important;
}

/* コントロールエリア */
.ds-controls-area {
  margin-top: 10px !important;
  text-align: center !important;
  min-height: 80px !important;
}

.ds-feedback {
  font-size: 20px !important;
  font-weight: 900 !important;
  min-height: 1.5em !important;
  margin: 10px 0 !important;
  line-height: 1.4 !important;
}

.ds-feedback.ds-correct {
  color: var(--ds-success) !important;
}

.ds-feedback.ds-wrong {
  color: var(--ds-danger) !important;
}

/* ボタン */
.ds-btn-primary {
  background: linear-gradient(135deg, var(--ds-main) 0%, #2d5a8f 100%) !important;
  color: #fff !important;
  border: none !important;
  border-radius: 12px !important;
  padding: 14px 40px !important;
  font-size: 18px !important;
  font-weight: bold !important;
  cursor: pointer !important;
  display: block !important;
  margin: 10px auto !important;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2) !important;
  transition: transform 0.2s, opacity 0.3s !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.ds-btn-primary.ds-visible {
  opacity: 1 !important;
  pointer-events: auto !important;
}

.ds-btn-primary:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 20px rgba(0,0,0,0.3) !important;
}

/* シェイクアニメーション */
.ds-shake {
  animation: ds-shake 0.4s cubic-bezier(.36,.07,.19,.97) both !important;
}

@keyframes ds-shake {
  10%, 90% { transform: translate3d(-5px, 0, 0); }
  20%, 80% { transform: translate3d(10px, 0, 0); }
  30%, 50%, 70% { transform: translate3d(-8px, 0, 0); }
  40%, 60% { transform: translate3d(8px, 0, 0); }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .ds-wrapper {
    --ds-digit-size: 60px !important;
    --ds-col-width: 90px !important;
  }
  
  .ds-mission-text {
    font-size: clamp(1.5rem, 5vw, 2rem) !important;
  }
  
  .ds-fixed-place-label {
    font-size: 14px !important;
  }
  
  .ds-scope-screen {
    min-height: 300px !important;
  }
}