/* ========================================
   スクリーンショット用スタイリング
   プロモーション・SNS投稿用の見栄え向上
   ======================================== */

/* スクリーンショットモード用のクラス */
.screenshot-mode {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  border: 3px solid var(--primary-color);
  border-radius: 16px;
  padding: 2rem;
}

/* プレイヤーカードの視覚効果強化 */
.player-item {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.player-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  transition: left 0.5s;
}

.player-item:hover::before {
  left: 100%;
}

/* ゲーム画面の見栄え向上 */
#game-screen .card,
#demacia-performing-screen .card,
#void-play-screen .card {
  background: linear-gradient(
    135deg,
    var(--bg-dark-secondary),
    rgba(0, 0, 0, 0.3)
  );
  backdrop-filter: blur(10px);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.4),
    inset 0 1px 1px rgba(255, 255, 255, 0.1);
}

/* トピック表示の強調 */
.topic-display {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-dark)
  );
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
  text-align: center;
  font-size: 1.5rem;
  font-weight: bold;
  color: #ffffff;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
}

.topic-display::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.1),
    transparent
  );
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

/* ヴォイドモードのテーマ表示強化 */
.void-theme-display {
  background: linear-gradient(
    135deg,
    var(--void-purple),
    var(--void-blue)
  );
  padding: 3rem 2rem;
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(139, 92, 246, 0.3),
    inset 0 1px 1px rgba(255, 255, 255, 0.2);
  text-align: center;
  margin: 2rem 0;
  position: relative;
}

.void-theme-display h2 {
  font-size: 2.5rem;
  color: #ffffff;
  text-shadow: 0 4px 8px rgba(0, 0, 0, 0.6);
  margin-bottom: 1rem;
}

/* ボタンのホバーエフェクト強化 */
.btn-primary,
.btn-secondary,
.void-btn-primary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before,
.void-btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before,
.void-btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

/* 結果画面の視覚効果 */
#result-screen .card,
#demacia-final-result-screen .card,
#void-result-screen .card {
  animation: resultFadeIn 0.5s ease-out;
}

@keyframes resultFadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* スコア表示の強調 */
.score-item,
.demacia-score-item {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.05),
    rgba(255, 255, 255, 0.1)
  );
  border-left: 4px solid var(--primary-color);
  padding: 1rem;
  margin: 0.5rem 0;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.score-item:hover,
.demacia-score-item:hover {
  transform: translateX(8px);
  background: rgba(255, 255, 255, 0.15);
}

/* ========================================
   SNSシェアボタン用スタイル
   ======================================== */

.share-buttons-container {
  display: flex;
  gap: 1rem;
  justify-content: center;
  align-items: center;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.share-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  color: #ffffff;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.share-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.share-button:active {
  transform: translateY(0);
}

/* X (Twitter) ボタン */
.share-button.twitter {
  background: linear-gradient(135deg, #1da1f2, #0d8bd9);
}

.share-button.twitter:hover {
  background: linear-gradient(135deg, #0d8bd9, #0a6fb8);
}

/* Discord ボタン */
.share-button.discord {
  background: linear-gradient(135deg, #5865f2, #4752c4);
}

.share-button.discord:hover {
  background: linear-gradient(135deg, #4752c4, #3c45a5);
}

/* LINE ボタン */
.share-button.line {
  background: linear-gradient(135deg, #00b900, #009900);
}

.share-button.line:hover {
  background: linear-gradient(135deg, #009900, #007700);
}

/* クリップボードコピーボタン */
.share-button.copy {
  background: linear-gradient(135deg, #6c757d, #545b62);
}

.share-button.copy:hover {
  background: linear-gradient(135deg, #545b62, #3d4349);
}

.share-button.copy.copied {
  background: linear-gradient(135deg, #28a745, #218838);
}

/* アイコン用のスタイル */
.share-button svg,
.share-button i {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
  .share-buttons-container {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .share-button {
    width: 100%;
    max-width: 300px;
  }
}

/* シェアセクションのタイトル */
.share-section-title {
  text-align: center;
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--text-color);
  margin: 2rem 0 1rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* シェアセクション全体 */
.share-section {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 2rem 0;
}

/* スクリーンショット撮影ヒント */
.screenshot-hint {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-color);
  opacity: 0.7;
  margin-top: 1rem;
  font-style: italic;
}

/* パーティクルエフェクト（オプション） */
.particle-effect {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 50%;
  opacity: 0.5;
  animation: float 6s infinite ease-in-out;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) translateX(0);
    opacity: 0;
  }
  50% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-100vh) translateX(20px);
    opacity: 0;
  }
}

/* 勝利エフェクト */
.victory-glow {
  animation: victoryPulse 2s infinite;
}

@keyframes victoryPulse {
  0%, 100% {
    box-shadow: 0 0 20px var(--primary-color);
  }
  50% {
    box-shadow: 0 0 40px var(--primary-color), 0 0 60px var(--primary-color);
  }
}