/* ==========================================
   お絵描きリレー CSS
   プレフィックス: dr-
   カラーコンセプト: 南の島のおじぃ
   ========================================== */

/* CSS変数定義 */
.dr-container {
  /* ベースカラー（70%） */
  --base: #FFFFFF;
  --base-light: #FAFAFA;
  --base-dark: #F5F5F5;
  
  /* メインカラー（25%） - ネイビーブルー */
  --main: #1e3a5f;
  --main-light: #2d5a8f;
  --main-dark: #0f1e3a;
  
  /* アクセントカラー（5%） - ゴールド */
  --accent: #d4af37;
  --accent-light: #f4cf5f;
  --accent-dark: #b8941f;
  
  /* テキストカラー */
  --text: #2C3E50;
  --text-light: #7F8C8D;
  
  /* ボーダー */
  --border: #E8E8E8;
  
  /* シャドウ */
  --shadow: 0 4px 20px rgba(30, 58, 95, 0.1);
  --shadow-hover: 0 8px 30px rgba(30, 58, 95, 0.15);
}

/* リセット */
.dr-container * {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

/* ==================== 共通スタイル ==================== */

.dr-container {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--base);
  border-radius: 24px;
  padding: clamp(20px, 4vw, 40px);
  box-shadow: 0 20px 60px rgba(30, 58, 95, 0.3);
  position: relative;
}

/* ヘッダー（ブランドアイデンティティ） */
.dr-title {
  font-size: clamp(2em, 5vw, 2.5em);
  font-weight: 900;
  color: var(--main);
  margin-bottom: 10px;
  text-align: center;
  text-shadow: 0 2px 8px rgba(30, 58, 95, 0.1);
}

.dr-subtitle {
  text-align: center;
  color: var(--text-light);
  font-size: clamp(0.9em, 2vw, 1.1em);
  margin-bottom: 30px;
  font-weight: 600;
}

/* タブ */
.dr-tab-container {
  display: flex;
  gap: 0;
  margin-bottom: 0;
  border-radius: 14px 14px 0 0;
  overflow: hidden;
}

.dr-tab {
  flex: 1;
  padding: clamp(12px, 2vh, 16px) clamp(16px, 3vw, 30px);
  font-size: clamp(1em, 2vw, 1.2em);
  font-weight: 900;
  background: var(--base-dark);
  color: var(--text-light);
  border: none;
  border-bottom: 3px solid var(--border);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dr-tab:hover {
  background: var(--base-light);
  color: var(--main);
}

.dr-tab.active {
  background: var(--base);
  color: var(--main);
  border-bottom-color: var(--accent);
  box-shadow: inset 0 -3px 0 var(--accent);
}

.dr-tab-content {
  display: none;
  padding: clamp(16px, 3vw, 20px);
  background: var(--base-light);
  border-radius: 0 0 14px 14px;
  text-align: center;
  color: var(--text);
  margin-bottom: 20px;
  border: 2px solid var(--border);
  border-top: none;
}

.dr-tab-content.active {
  display: block;
}

/* 設定項目 */
.dr-setup-group {
  margin: clamp(20px, 4vh, 25px) 0;
}

.dr-setup-group label {
  display: block;
  font-size: clamp(1em, 2vw, 1.2em);
  font-weight: 900;
  color: var(--main);
  margin-bottom: 10px;
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.dr-number-control {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(15px, 3vw, 20px);
}

.dr-number-control button {
  width: clamp(40px, 8vw, 50px);
  height: clamp(40px, 8vw, 50px);
  font-size: clamp(1.5em, 3vw, 1.8em);
  font-weight: 900;
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: white;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.dr-number-control button:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(30, 58, 95, 0.4);
}

.dr-value {
  font-size: clamp(2em, 5vw, 2.5em);
  font-weight: 900;
  background: linear-gradient(135deg, var(--main) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  min-width: clamp(60px, 15vw, 80px);
  text-align: center;
}

.dr-theme-input {
  width: 100%;
  max-width: 400px;
  padding: clamp(12px, 2vh, 15px);
  font-size: clamp(1em, 2vw, 1.2em);
  font-weight: 600;
  border: 2px solid var(--border);
  border-radius: 14px;
  text-align: center;
  background: var(--base);
  color: var(--text);
  outline: none;
  transition: all 0.3s ease;
}

.dr-theme-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
  transform: scale(1.02);
}

.dr-theme-input:hover {
  border-color: var(--main-light);
}

/* ボタン */
.dr-btn {
  padding: clamp(12px, 2vh, 15px) clamp(20px, 4vw, 40px);
  font-size: clamp(1.1em, 2vw, 1.3em);
  font-weight: 900;
  border: none;
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.dr-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(30, 58, 95, 0.4);
}

.dr-btn-primary {
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: white;
}

.dr-btn-primary:hover {
  background: linear-gradient(135deg, var(--main) 0%, var(--main-dark) 100%);
}

.dr-btn-secondary {
  background: linear-gradient(135deg, var(--accent-light) 0%, var(--accent) 100%);
  color: var(--main-dark);
}

.dr-btn-secondary:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
}

.dr-btn-outline {
  background: var(--base);
  color: var(--main);
  border: 2px solid var(--main);
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.1);
}

.dr-btn-outline:hover {
  background: var(--main);
  color: var(--accent);
}

.dr-text-center {
  text-align: center;
}

/* ロビー */
.dr-lobby-grid {
  display: grid;
  grid-template-columns: 250px 1fr 250px;
  gap: clamp(20px, 3vw, 30px);
  margin: clamp(20px, 4vh, 30px) 0;
}

.dr-lobby-left, .dr-lobby-right {
  background: var(--base-light);
  padding: clamp(16px, 3vw, 20px);
  border-radius: 14px;
  border: 2px solid var(--border);
}

.dr-qr-container {
  background: var(--base);
  padding: 20px;
  border-radius: 14px;
  display: inline-block;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
  border: 3px solid var(--accent);
}

.dr-pin-display {
  font-family: 'Courier New', monospace;
  font-size: clamp(1.5em, 3vw, 2em);
  font-weight: 900;
  color: var(--main);
  background: var(--base-light);
  padding: clamp(12px, 2vh, 15px) clamp(20px, 4vw, 30px);
  border-radius: 10px;
  margin: 15px 0;
  letter-spacing: 3px;
  border: 2px solid var(--accent);
}

.dr-url-input {
  width: 100%;
  padding: clamp(10px, 2vh, 12px);
  border: 2px solid var(--border);
  border-radius: 8px;
  font-size: clamp(0.8em, 1.5vw, 0.9em);
  font-family: 'Courier New', monospace;
  margin: 10px 0;
  background: var(--base);
  color: var(--text);
}

/* お絵描きエリア */
.dr-drawing-area {
  position: relative;
  margin: clamp(20px, 4vh, 30px) 0;
}

.dr-mosaic-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(30, 58, 95, 0.95);
  backdrop-filter: blur(20px);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  cursor: pointer;
}

.dr-mosaic-message {
  font-size: clamp(2em, 5vw, 3em);
  font-weight: 900;
  color: var(--accent);
  text-align: center;
  margin-bottom: 30px;
  text-shadow: 0 4px 20px rgba(212, 175, 55, 0.5);
}

.dr-mosaic-sub {
  font-size: clamp(1.2em, 3vw, 1.5em);
  color: white;
  text-align: center;
  font-weight: 600;
}

.dr-info-box {
  padding: clamp(16px, 3vw, 20px);
  background: var(--base-light);
  border-radius: 14px;
  margin-bottom: 20px;
  text-align: center;
  border: 2px solid var(--border);
  border-top: 4px solid var(--accent);
}

.dr-info-title {
  font-size: clamp(1.5em, 3vw, 1.8em);
  font-weight: 900;
  color: var(--main);
  margin-bottom: 10px;
}

.dr-theme-display {
  font-size: clamp(1.8rem, 4vw, 2rem);
  font-weight: 900;
  color: var(--main);
  text-align: center;
  padding: clamp(16px, 3vw, 20px);
  background: var(--base-light);
  border-radius: 14px;
  margin-bottom: 20px;
  border: 3px solid var(--accent);
  box-shadow: inset 0 2px 8px rgba(212, 175, 55, 0.08);
}

.dr-canvas-container {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
  position: relative;
}

#dr-canvas, #dr-answer-canvas-mikke, #dr-answer-canvas-barabara {
  border: 3px solid var(--main);
  border-radius: 10px;
  cursor: crosshair;
  touch-action: none;
  max-width: 100%;
  box-shadow: var(--shadow);
}

.dr-tools {
  display: flex;
  gap: clamp(8px, 2vw, 10px);
  justify-content: center;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  padding: clamp(12px, 2vh, 16px);
  background: var(--base-light);
  border-radius: 14px;
  border: 2px solid var(--border);
}

.dr-tool-label {
  font-weight: 900;
  color: var(--main);
  font-size: clamp(0.9em, 2vw, 1em);
}

.dr-color-btn {
  width: clamp(35px, 7vw, 40px);
  height: clamp(35px, 7vw, 40px);
  border: 3px solid var(--border);
  border-radius: 50%;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.dr-color-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.dr-color-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.3);
  transform: scale(1.1);
}

.dr-size-btn {
  padding: clamp(8px, 1.5vh, 10px) clamp(12px, 2vw, 15px);
  border: 2px solid var(--border);
  background: var(--base);
  border-radius: 10px;
  cursor: pointer;
  font-weight: 900;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color: var(--text);
  font-size: clamp(0.9em, 1.5vw, 1em);
}

.dr-size-btn:hover {
  background: var(--base-light);
  border-color: var(--main-light);
  transform: translateY(-2px);
}

.dr-size-btn.active {
  background: linear-gradient(135deg, var(--main-light) 0%, var(--main) 100%);
  color: white;
  border-color: var(--main);
  box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.dr-button-group {
  display: flex;
  gap: clamp(12px, 2vw, 15px);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

/* PIN入力画面 */
.dr-pin-input-screen {
  text-align: center;
  padding: clamp(40px, 8vh, 50px) clamp(16px, 3vw, 20px);
}

.dr-pin-input {
  width: 100%;
  max-width: 300px;
  padding: clamp(16px, 3vh, 20px);
  font-size: clamp(1.8em, 4vw, 2em);
  text-align: center;
  border: 3px solid var(--main);
  border-radius: 14px;
  letter-spacing: 10px;
  margin: 20px auto;
  display: block;
  font-weight: 900;
  background: var(--base);
  color: var(--text);
  font-family: 'Courier New', monospace;
  outline: none;
  transition: all 0.3s ease;
}

.dr-pin-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.15);
  transform: scale(1.02);
}

/* 回答フェーズ */
.dr-answer-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(120px, 20vw, 150px), 1fr));
  gap: clamp(12px, 2vw, 15px);
  margin-top: 20px;
}

.dr-answer-btn {
  padding: clamp(16px, 3vh, 20px);
  font-size: clamp(1.1em, 2vw, 1.2em);
  font-weight: 900;
  background: var(--base);
  color: var(--main);
  border: 3px solid var(--main);
  border-radius: 14px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 2px 8px rgba(30, 58, 95, 0.1);
}

.dr-answer-btn:hover {
  background: var(--main);
  color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(30, 58, 95, 0.3);
}

.dr-feedback {
  margin-top: 20px;
  padding: clamp(16px, 3vw, 20px);
  border-radius: 14px;
  font-size: clamp(1.3em, 3vw, 1.5em);
  font-weight: 900;
  text-align: center;
  border: 3px solid;
}

.dr-feedback.correct {
  background: #d4edda;
  color: #155724;
  border-color: #28a745;
}

.dr-feedback.incorrect {
  background: #f8d7da;
  color: #721c24;
  border-color: #dc3545;
}

/* 結果画面 */
.dr-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(clamp(250px, 40vw, 300px), 1fr));
  gap: clamp(16px, 3vw, 20px);
  margin-top: clamp(20px, 4vh, 30px);
}

.dr-result-item {
  background: var(--base-light);
  padding: clamp(12px, 2vw, 15px);
  border-radius: 14px;
  text-align: center;
  border: 2px solid var(--border);
  transition: all 0.3s ease;
}

.dr-result-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--accent);
}

.dr-result-canvas {
  width: 100%;
  border: 2px solid var(--border);
  border-radius: 8px;
  margin-bottom: 10px;
}

.dr-result-label {
  font-weight: 900;
  color: var(--main);
  font-size: clamp(1em, 2vw, 1.1em);
}

/* レスポンシブ */
@media (max-width: 1024px) {
  .dr-lobby-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .dr-container {
    padding: clamp(16px, 4vw, 20px);
  }

  .dr-title {
    font-size: clamp(1.8em, 5vw, 2em);
  }

  .dr-value {
    font-size: clamp(1.8em, 5vw, 2em);
  }

  .dr-btn {
    padding: clamp(10px, 2vh, 12px) clamp(16px, 4vw, 20px);
    font-size: clamp(1em, 2vw, 1.1em);
  }

  .dr-mosaic-message {
    font-size: clamp(1.8em, 5vw, 2em);
  }
}

/* アニメーション */
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.blinking {
  animation: blink 0.5s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}