/* ===== 基本リセット ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Zen Maru Gothic', sans-serif;
  background: #0a0a1a;
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-x: hidden;
  user-select: none;
  -webkit-user-select: none;
}

.hidden { display: none !important; }

#game-wrapper {
  width: 100%;
  max-width: 480px;
  min-height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ===== タイトル画面 ===== */
#title-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(180deg, #1a0533 0%, #2d1b69 40%, #4a2c8a 100%);
  text-align: center;
  padding: 20px;
}

#title-egg {
  width: 120px;
  height: 150px;
  background: radial-gradient(ellipse at 40% 30%, #fff 0%, #e0c3ff 30%, #b388ff 60%, #7c4dff 100%);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  margin-bottom: 30px;
  animation: egg-float 3s ease-in-out infinite;
  box-shadow: 0 10px 40px rgba(179, 136, 255, 0.5);
  position: relative;
}

#title-egg::after {
  content: '?';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 40px;
  font-weight: 900;
  color: rgba(255,255,255,0.7);
  animation: egg-pulse 2s ease-in-out infinite;
}

@keyframes egg-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

@keyframes egg-pulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

#game-title {
  font-size: 28px;
  font-weight: 900;
  color: #e0c3ff;
  text-shadow: 0 0 20px rgba(179, 136, 255, 0.8);
  margin-bottom: 40px;
  line-height: 1.5;
}

#game-title .subtitle {
  font-size: 18px;
  font-weight: 700;
  color: #b388ff;
}

#start-btn, #continue-btn {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 20px;
  font-weight: 700;
  padding: 14px 50px;
  border: none;
  border-radius: 30px;
  cursor: pointer;
  margin: 8px;
  transition: all 0.3s;
}

#start-btn {
  background: linear-gradient(135deg, #7c4dff, #b388ff);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124, 77, 255, 0.5);
}

#continue-btn {
  background: linear-gradient(135deg, #4a2c8a, #7c4dff);
  color: #e0c3ff;
  box-shadow: 0 4px 20px rgba(74, 44, 138, 0.5);
}

#start-btn:hover, #continue-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(124, 77, 255, 0.7);
}

/* ===== メイン画面 ===== */
#main-screen {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: linear-gradient(180deg, #1a1a3e 0%, #2d2d6b 100%);
}

#top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 15px;
  background: rgba(0,0,0,0.3);
  font-size: 14px;
  font-weight: 700;
}

#pet-name-display {
  color: #e0c3ff;
  font-size: 16px;
}

#coin-display {
  color: #ffd700;
}

#day-display {
  color: #88ccff;
}

/* ===== ペットエリア ===== */
#pet-area {
  flex: 1;
  position: relative;
  min-height: 280px;
  overflow: hidden;
}

#environment {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, #87CEEB 0%, #98FB98 70%, #228B22 100%);
  transition: background 2s;
}

#environment.night {
  background: linear-gradient(180deg, #0a0a2e 0%, #1a1a4e 70%, #0d3b0d 100%);
}

#pet-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
}

#pet-sprite {
  font-size: 80px;
  line-height: 1;
  text-align: center;
  animation: pet-idle 2s ease-in-out infinite;
  filter: drop-shadow(0 5px 15px rgba(0,0,0,0.3));
  transition: font-size 0.5s;
}

@keyframes pet-idle {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.02); }
}

#pet-sprite.happy {
  animation: pet-happy 0.5s ease-in-out 3;
}

@keyframes pet-happy {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-10deg); }
  75% { transform: rotate(10deg); }
}

#pet-sprite.eating {
  animation: pet-eat 0.3s ease-in-out 4;
}

@keyframes pet-eat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}

#pet-sprite.sleeping {
  animation: pet-sleep 3s ease-in-out infinite;
  opacity: 0.7;
}

@keyframes pet-sleep {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

#pet-emotion {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 28px;
  animation: emotion-pop 1.5s ease-out forwards;
  z-index: 10;
}

@keyframes emotion-pop {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px) scale(0.5); }
  20% { opacity: 1; transform: translateX(-50%) translateY(-10px) scale(1.2); }
  80% { opacity: 1; transform: translateX(-50%) translateY(-20px) scale(1); }
  100% { opacity: 0; transform: translateX(-50%) translateY(-40px) scale(0.8); }
}

#poop-container {
  position: absolute;
  bottom: 20px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 5px;
  z-index: 1;
}

.poop {
  font-size: 24px;
  animation: poop-appear 0.3s ease-out;
}

@keyframes poop-appear {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

/* ===== ステータスパネル ===== */
#stats-panel {
  padding: 10px 15px;
  background: rgba(0,0,0,0.4);
}

.stat-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
}

.stat-label {
  font-size: 12px;
  font-weight: 700;
  width: 50px;
  text-align: right;
  color: #ccc;
}

.stat-bar {
  flex: 1;
  height: 12px;
  background: rgba(255,255,255,0.15);
  border-radius: 6px;
  overflow: hidden;
}

.stat-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.5s ease;
  background: linear-gradient(90deg, #ff6b6b, #ff9f43);
}

.stat-fill.happy {
  background: linear-gradient(90deg, #ffd93d, #ff6b6b);
}

.stat-fill.clean {
  background: linear-gradient(90deg, #6bcbff, #4ecdc4);
}

.stat-fill.exp {
  background: linear-gradient(90deg, #a18cd1, #fbc2eb);
}

.stat-value {
  font-size: 11px;
  width: 30px;
  text-align: left;
  color: #aaa;
}

/* ===== アクションボタン ===== */
#action-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px 15px;
  background: rgba(0,0,0,0.5);
}

.action-btn {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 13px;
  font-weight: 700;
  padding: 10px 5px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
  line-height: 1.4;
}

.action-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.4);
  transform: scale(1.05);
}

.action-btn:active {
  transform: scale(0.95);
}

.action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* ===== メッセージボックス ===== */
#message-box {
  position: fixed;
  bottom: 200px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.85);
  color: #fff;
  padding: 12px 24px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 700;
  z-index: 100;
  max-width: 400px;
  text-align: center;
  animation: msg-fade 2.5s ease-in-out forwards;
  pointer-events: none;
}

@keyframes msg-fade {
  0% { opacity: 0; transform: translateX(-50%) translateY(10px); }
  15% { opacity: 1; transform: translateX(-50%) translateY(0); }
  75% { opacity: 1; }
  100% { opacity: 0; }
}

/* ===== ごはん画面 ===== */
#feed-screen, #shop-screen, #zukan-screen {
  min-height: 100vh;
  background: linear-gradient(180deg, #1a0533 0%, #2d1b69 100%);
  padding: 20px 15px;
}

.screen-title {
  font-size: 22px;
  font-weight: 900;
  text-align: center;
  margin-bottom: 20px;
  color: #e0c3ff;
}

#food-list, #shop-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  margin: 0 auto;
}

.food-item, .shop-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  cursor: pointer;
  transition: all 0.2s;
}

.food-item:hover, .shop-item:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.3);
}

.food-item.locked, .shop-item.locked {
  opacity: 0.4;
  cursor: not-allowed;
}

.food-icon, .shop-icon {
  font-size: 36px;
}

.food-info, .shop-info {
  flex: 1;
}

.food-name, .shop-name {
  font-size: 15px;
  font-weight: 700;
}

.food-desc, .shop-desc {
  font-size: 11px;
  color: #aaa;
  margin-top: 2px;
}

.food-count, .shop-price {
  font-size: 13px;
  font-weight: 700;
  color: #ffd700;
}

/* ===== 図鑑画面 ===== */
#zukan-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  max-width: 400px;
  margin: 0 auto;
}

.zukan-entry {
  background: rgba(255,255,255,0.08);
  border: 2px solid rgba(255,255,255,0.15);
  border-radius: 16px;
  padding: 16px 8px;
  text-align: center;
  transition: all 0.2s;
}

.zukan-entry.discovered {
  border-color: rgba(179, 136, 255, 0.5);
  background: rgba(179, 136, 255, 0.1);
}

.zukan-entry.undiscovered {
  opacity: 0.5;
}

.zukan-sprite {
  font-size: 40px;
  margin-bottom: 6px;
}

.zukan-name {
  font-size: 11px;
  font-weight: 700;
  color: #ccc;
}

/* ===== ミニゲーム画面 ===== */
#minigame-screen {
  min-height: 100vh;
  background: linear-gradient(180deg, #0a2a1a 0%, #1a4a3a 100%);
  padding: 20px 15px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#minigame-area {
  width: 100%;
  max-width: 400px;
  min-height: 350px;
  background: rgba(0,0,0,0.3);
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  margin: 15px 0;
}

#minigame-score {
  font-size: 18px;
  font-weight: 700;
  color: #ffd700;
  margin: 10px 0;
}

.mg-target {
  position: absolute;
  font-size: 40px;
  cursor: pointer;
  transition: transform 0.1s;
  animation: mg-target-pop 0.3s ease-out;
}

@keyframes mg-target-pop {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.mg-target:active {
  transform: scale(0.8);
}

/* ===== 進化画面 ===== */
#evolve-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(180deg, #0a0a2e 0%, #1a1a5e 100%);
  text-align: center;
  padding: 20px;
}

#evolve-animation {
  position: relative;
  width: 200px;
  height: 200px;
  margin-bottom: 30px;
}

#evolve-old, #evolve-new {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 80px;
}

#evolve-flash {
  position: absolute;
  inset: -50px;
  background: radial-gradient(circle, rgba(255,255,255,0.9), transparent);
  border-radius: 50%;
  opacity: 0;
}

#evolve-text {
  font-size: 22px;
  font-weight: 900;
  color: #e0c3ff;
  margin-bottom: 20px;
  text-shadow: 0 0 20px rgba(179, 136, 255, 0.8);
}

#evolve-ok {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 18px;
  font-weight: 700;
  padding: 12px 40px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(135deg, #7c4dff, #b388ff);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(124, 77, 255, 0.5);
}

/* ===== 名前入力画面 ===== */
#naming-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(180deg, #1a0533 0%, #2d1b69 100%);
  text-align: center;
  padding: 20px;
}

#naming-pet-preview {
  font-size: 80px;
  margin-bottom: 20px;
  animation: pet-idle 2s ease-in-out infinite;
}

#naming-screen h2 {
  font-size: 20px;
  color: #e0c3ff;
  margin-bottom: 20px;
}

#name-input {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 20px;
  font-weight: 700;
  text-align: center;
  padding: 12px 20px;
  border: 3px solid #7c4dff;
  border-radius: 16px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  outline: none;
  width: 250px;
  margin-bottom: 20px;
}

#name-input::placeholder {
  color: rgba(255,255,255,0.3);
}

#name-input:focus {
  border-color: #b388ff;
  box-shadow: 0 0 20px rgba(179, 136, 255, 0.3);
}

#name-ok {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 18px;
  font-weight: 700;
  padding: 12px 40px;
  border: none;
  border-radius: 30px;
  background: linear-gradient(135deg, #7c4dff, #b388ff);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(124, 77, 255, 0.5);
}

/* ===== 戻るボタン ===== */
.back-btn {
  font-family: 'Zen Maru Gothic', sans-serif;
  font-size: 16px;
  font-weight: 700;
  display: block;
  margin: 20px auto;
  padding: 12px 40px;
  border: 2px solid rgba(255,255,255,0.3);
  border-radius: 30px;
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
}

.back-btn:hover {
  background: rgba(255,255,255,0.15);
}

/* ===== トップリンク ===== */
.back-to-top-link {
  display: block;
  text-align: center;
  padding: 15px;
  color: #b388ff;
  text-decoration: none;
  font-weight: 700;
  font-family: 'Zen Maru Gothic', sans-serif;
  background: #0a0a1a;
}

.back-to-top-link:hover {
  color: #e0c3ff;
}

/* ===== ショップ追加スタイル ===== */
#shop-coins {
  text-align: center;
  font-size: 18px;
  font-weight: 700;
  color: #ffd700;
  margin-bottom: 15px;
}

.shop-item.purchased {
  border-color: #4ecdc4;
}

.shop-item.purchased .shop-price {
  color: #4ecdc4;
}

/* ===== レスポンシブ ===== */
@media (max-width: 360px) {
  #pet-sprite { font-size: 60px; }
  .action-btn { font-size: 12px; padding: 8px 4px; }
  #game-title { font-size: 24px; }
}

@media (min-width: 481px) {
  #game-wrapper {
    margin-top: 20px;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 60px rgba(124, 77, 255, 0.3);
    min-height: auto;
    max-height: 90vh;
  }
  #main-screen { min-height: 700px; }
  #title-screen, #naming-screen, #evolve-screen { min-height: 700px; }
  #feed-screen, #shop-screen, #zukan-screen, #minigame-screen { min-height: 700px; }
}