/* ===== 全局重置与基础 ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #0a0a14;
  --bg-scene:   #0d0d1f;
  --text-main:  #c8c0b0;
  --text-dim:   #7a7068;
  --accent:     #8b2500;
  --gold:       #c4a35a;
  --gold-glow:  #e8d48b;
  --red-glow:   #ff4433;
  --ui-bg:      rgba(10, 10, 20, 0.92);
  --ui-border:  #2a2520;
  --bg-dark:    #111122;
  --border:     #333355;
  --text:       #c8c0b0;
}

html, body {
  width: 100%; height: 100%; overflow: hidden;
  background: #000;
  font-family: 'Noto Serif SC', 'Source Han Serif SC', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'SimSun', 'STSong', serif;
  color: var(--text-main);
  user-select: none;
  -webkit-user-select: none;
  overscroll-behavior: none;
  -webkit-overflow-scrolling: touch;
}

/* ===== 全局覆盖层（开场 / 结局） ===== */
#overlay-screen {
  position: fixed; inset: 0; z-index: 100;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  background: radial-gradient(ellipse at 50% 40%, #0f0f24 0%, #060610 60%, #000 100%);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.8s ease, background 1.5s ease;
}
#overlay-screen.fade-out {
  opacity: 0; pointer-events: none;
}
#overlay-screen.ending-dark {
  background: radial-gradient(ellipse at 50% 50%, #1a0808 0%, #0a0202 60%, #000 100%);
}
#overlay-screen.ending-light {
  background: radial-gradient(ellipse at 50% 45%, #1a1a28 0%, #0a0a14 60%, #000 100%);
}
#overlay-content {
  text-align: center; max-width: 520px; padding: 40px;
}
#overlay-title {
  font-size: 2.4rem; letter-spacing: 0.5em;
  color: var(--gold);
  margin-bottom: 40px;
  text-shadow: 0 0 30px rgba(196, 163, 90, 0.3);
  opacity: 0;
  font-family: 'Ma Shan Zheng', 'ZCOOL XiaoWei', 'PingFang SC', 'KaiTi', 'STKaiti', '楷体', '华文楷体', 'Noto Serif SC', serif;
  animation: titleFadeIn 1.5s ease forwards;
}
#overlay-title.hidden {
  display: none;
  animation: none;
}
#overlay-title.ending-title {
  color: #c44;
  text-shadow: 0 0 40px rgba(200, 60, 60, 0.4);
  font-size: 2rem;
  letter-spacing: 0.15em;
  white-space: nowrap;
}
#overlay-title.ending-title.alt {
  color: #8af;
  text-shadow: 0 0 30px rgba(100, 150, 220, 0.35);
  letter-spacing: 0.15em;
  white-space: nowrap;
}
@keyframes titleFadeIn { to { opacity: 1; } }

#overlay-text {
  font-size: 1.05rem; line-height: 2.2;
  color: var(--text-main);
  min-height: 100px;
  opacity: 0;
  transition: opacity 0.5s ease;
  white-space: pre-line;
}
#overlay-text.visible { opacity: 1; }

#overlay-btn, #overlay-btn2 {
  position: fixed; bottom: calc(60px + env(safe-area-inset-bottom));
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim);
  padding: 8px 22px;
  font-family: inherit; font-size: 0.85rem;
  cursor: pointer;
  transition: opacity 0.3s, color 0.3s, border-color 0.3s;
  display: inline-block;
}
#overlay-btn {
  left: 50%; transform: translateX(-50%);
}
#overlay-btn2 {
  left: 50%; transform: translateX(-50%);
  bottom: calc(20px + env(safe-area-inset-bottom));
}
#overlay-btn:hover, #overlay-btn2:hover {
  color: var(--gold); border-color: var(--gold);
}
#overlay-btn2.hidden { display: none; }

/* ===== 游戏容器 ===== */
#game-container {
  width: 100%; max-width: 1000px; height: 100vh; height: 100dvh;
  margin: 0 auto;
  display: flex; flex-direction: column;
  background: var(--bg-deep);
  position: relative;
}
#game-container.hidden { display: none; }

/* ===== 场景区域 ===== */
#scene-wrapper {
  position: relative; overflow: hidden;
  background: var(--bg-scene);
  border-bottom: 1px solid var(--ui-border);
  margin: 0 auto;
}

#scene-background {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse at 50% 60%, #141428 0%, #0a0a18 60%, #050510 100%);
  transition: background 1.5s ease;
}

/* 水面效果 */
#scene-background::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 35%;
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(10, 20, 30, 0.4) 30%,
    rgba(5, 15, 25, 0.8) 60%,
    #020810 100%);
  animation: waterShimmer 4s ease-in-out infinite;
}
@keyframes waterShimmer {
  0%, 100% { opacity: 0.85; }
  50% { opacity: 1; }
}

/* 浮动粒子 */
#scene-background::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(1px 1px at 20% 30%, rgba(200,180,150,0.3), transparent),
    radial-gradient(1px 1px at 60% 45%, rgba(200,180,150,0.2), transparent),
    radial-gradient(1px 1px at 40% 70%, rgba(200,180,150,0.25), transparent),
    radial-gradient(1px 1px at 75% 25%, rgba(200,180,150,0.2), transparent),
    radial-gradient(1px 1px at 85% 55%, rgba(200,180,150,0.15), transparent);
  animation: dustFloat 8s ease-in-out infinite;
}
@keyframes dustFloat {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(-4px); opacity: 1; }
}

/* 封印之间 —— 暗红色心跳脉冲（叠加在背景图之上，不覆盖 background-image） */
.scene-seal_chamber #scene-background::after {
  inset: 0;
  height: auto;
  background: radial-gradient(ellipse at 50% 55%, rgba(200,40,40,0.08) 0%, transparent 70%);
  animation: heartPulse 3s ease-in-out infinite;
}
@keyframes heartPulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.85; }
}

/* 暗道 — 极暗 */
.scene-dark_passage #scene-background::after {
  background: linear-gradient(to bottom,
    transparent 0%,
    rgba(0,0,0,0.5) 50%,
    rgba(0,0,0,0.9) 80%,
    #000 100%);
}

/* 场景元素容器 */
#scene-elements {
  position: absolute; inset: 0; z-index: 2;
}

.scene-element {
  position: absolute;
  font-size: 2.8rem;
  cursor: pointer;
  transition: transform 0.2s ease, filter 0.2s ease, opacity 0.4s ease;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
  transform: translate(-50%, -50%);
  line-height: 1;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.scene-element:hover,
.scene-element:active {
  transform: translate(-50%, -50%) scale(1.15);
  filter: drop-shadow(0 0 10px var(--gold-glow)) drop-shadow(0 2px 6px rgba(0,0,0,0.6));
  z-index: 10;
}
.scene-element.collectible {
  animation: itemPulse 2.5s ease-in-out infinite;
}

/* 背景图覆盖热区 —— 内容在背景图中，热区透明，悬浮时发光 */
.scene-element.bg-overlay {
  font-size: 0;
  background: transparent;
  border-radius: 6px;
  transition: background 0.2s, box-shadow 0.2s;
  transform: none;
}
.scene-element.bg-overlay:hover,
.scene-element.bg-overlay:active {
  background: rgba(232, 212, 139, 0.12);
  box-shadow: 0 0 18px rgba(232, 212, 139, 0.35), inset 0 0 18px rgba(232, 212, 139, 0.15);
  transform: none;
  filter: none;
}

/* 场景元素内的图片 */
.scene-img {
  width: 3.5rem;
  height: 3.5rem;
  object-fit: contain;
  display: block;
}
/* 条件触发元素（不在背景图中）：图片撑满 bgOverlay 热区 */
.scene-element:not(.bg-overlay) .scene-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.scene-element.npc .scene-img { width: 3rem; height: 3rem; }
.scene-element.npc:not(.bg-overlay) .scene-img { width: 100%; height: 100%; }
.scene-element.seal-core .scene-img { width: 5rem; height: 5rem; }
.scene-element.seal-core:not(.bg-overlay) .scene-img { width: 100%; height: 100%; }
@keyframes itemPulse {
  0%, 100% { filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }
  50% { filter: drop-shadow(0 0 8px rgba(200, 160, 80, 0.5)); }
}

/* 封印核心 — 红色脉冲 */
.scene-element.seal-core {
  animation: sealPulse 2s ease-in-out infinite;
  font-size: 4rem;
}

/* NPC 残影 */
.scene-element.npc {
  font-size: 2.4rem;
  filter: drop-shadow(0 0 8px rgba(180, 200, 220, 0.4));
  opacity: 0.75;
  transition: opacity 1.5s ease, filter 1.5s ease;
}
.scene-element.npc:hover {
  opacity: 1;
  filter: drop-shadow(0 0 16px rgba(220, 230, 255, 0.6));
  transform: translate(-50%, -50%) scale(1.08);
}
.scene-element.npc.bg-overlay {
  transition: background 0.2s, box-shadow 0.2s;
}
.scene-element.npc.bg-overlay:hover {
  transform: none;
  filter: drop-shadow(0 0 16px rgba(220, 230, 255, 0.6));
}
@keyframes sealPulse {
  0%, 100% { filter: drop-shadow(0 0 8px rgba(200, 40, 40, 0.5)); }
  50% { filter: drop-shadow(0 0 24px rgba(255, 60, 60, 0.8)); }
}

/* 新揭示的元素动画（bgOverlay 元素不使用，避免 DOM 重建时跳动） */
.scene-element.revealed {
  animation: revealAppear 0.8s ease-out;
}
.scene-element.bg-overlay.revealed {
  animation: none;
}
@keyframes revealAppear {
  0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.3); filter: blur(8px) drop-shadow(0 0 20px var(--gold-glow)); }
  60%  { filter: blur(0) drop-shadow(0 0 15px var(--gold-glow)); }
  100% { opacity: 1; transform: translate(-50%, -50%) scale(1); filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }
}
/* 场景标题 */
#scene-title {
  position: absolute; top: 20px; left: 50%; transform: translateX(-50%);
  z-index: 5;
  font-size: 1.4rem; letter-spacing: 0.3em;
  color: var(--text-dim);
  text-shadow: 0 2px 8px rgba(0,0,0,0.8);
  font-family: 'Ma Shan Zheng', 'ZCOOL XiaoWei', 'PingFang SC', 'KaiTi', 'STKaiti', '楷体', '华文楷体', 'Noto Serif SC', serif;
  pointer-events: none;
}

/* 导航箭头 */
.nav-arrow {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 26;
  background: none; border: none;
  color: var(--text-dim);
  font-size: 2rem;
  cursor: pointer;
  padding: 14px 12px;
  transition: color 0.2s, text-shadow 0.2s;
}
.nav-arrow:hover {
  color: var(--gold);
  text-shadow: 0 0 12px rgba(196, 163, 90, 0.4);
}
.nav-arrow.locked { color: #4a2020; }
.nav-arrow.locked:hover { color: var(--accent); text-shadow: 0 0 10px rgba(139, 37, 0, 0.4); }
#nav-left  { left: 6px; }
#nav-right { right: 6px; }
#nav-down  { top: auto; bottom: calc(10px + env(safe-area-inset-bottom)); left: 50%; transform: translateX(-50%); font-size: 1.8rem; }
#nav-down.hidden { display: none; }

/* 顶部按钮 */
.top-btn {
  position: absolute; top: calc(14px + env(safe-area-inset-top)); z-index: 10;
  background: none; border: none;
  font-size: 1.4rem;
  cursor: pointer;
  padding: 8px 12px;
  opacity: 0.5;
  transition: opacity 0.2s;
}
.top-btn:hover { opacity: 1; }
#btn-hint  { right: 172px; }
#btn-save  { right: 128px; }
#btn-notes { right: 86px; }
#btn-menu  { right: 14px; }

/* 存档成功提示 */
.save-toast {
  position: absolute; top: 60px; left: 50%; transform: translateX(-50%);
  z-index: 20;
  background: var(--ui-bg); border: 1px solid var(--gold);
  border-radius: 4px; padding: 6px 16px;
  color: var(--gold); font-size: 0.85rem;
  pointer-events: none;
  animation: toastFade 1.8s ease-out forwards;
}
@keyframes toastFade {
  0% { opacity: 0; transform: translateX(-50%) translateY(-6px); }
  20% { opacity: 1; transform: translateX(-50%) translateY(0); }
  80% { opacity: 1; }
  100% { opacity: 0; }
}

/* ===== 持有道具指示条 ===== */
#holding-indicator {
  position: absolute; top: 50px; left: 50%; transform: translateX(-50%);
  z-index: 15;
  background: var(--ui-bg); border: 1px solid var(--gold);
  border-radius: 4px; padding: 6px 18px;
  font-size: 0.9rem; color: var(--gold);
  pointer-events: none;
  animation: holdPulse 1.2s ease-in-out infinite;
}
#holding-indicator.hidden { display: none; }
@keyframes holdPulse {
  0%, 100% { border-color: var(--gold); }
  50% { border-color: var(--gold-glow); box-shadow: 0 0 12px rgba(196, 163, 90, 0.2); }
}

/* ===== 对话框 ===== */
#dialog-box {
  position: absolute; bottom: 120px; left: 50%; transform: translateX(-50%);
  z-index: 20;
  width: 85%; max-width: 600px;
  background: var(--ui-bg); border: 1px solid var(--ui-border);
  border-radius: 4px; padding: 20px 24px;
  text-align: center;
}
#dialog-box.hidden { display: none; }
#dialog-text {
  font-size: 1.05rem; line-height: 1.8;
  color: var(--text-main);
  margin-bottom: 16px;
  white-space: pre-line;
}
#dialog-buttons {
  display: flex; gap: 12px; justify-content: center; flex-wrap: wrap;
}
#dialog-close {
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim); padding: 6px 24px;
  cursor: pointer; font-family: inherit; font-size: 0.9rem;
  transition: color 0.2s, border-color 0.2s;
}
#dialog-close:hover { color: var(--gold); border-color: var(--gold); }
#dialog-close.hidden { display: none; }

/* 选择按钮 */
.choice-btn {
  padding: 10px 22px;
  font-family: inherit; font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.25s;
  border-radius: 4px;
}
.choice-btn.hidden { display: none; }
#dialog-choice-a {
  background: rgba(20, 5, 5, 0.8); border: 1px solid #5a3030;
  color: #d4a0a0;
}
#dialog-choice-a:hover {
  background: rgba(40, 8, 8, 0.9); border-color: #a04040;
  color: #f0c0c0; box-shadow: 0 0 16px rgba(180, 40, 40, 0.3);
}
#dialog-choice-b {
  background: rgba(5, 10, 25, 0.8); border: 1px solid #30405a;
  color: #a0b8d4;
}
#dialog-choice-b:hover {
  background: rgba(8, 15, 35, 0.9); border-color: #4060a0;
  color: #c0d8f0; box-shadow: 0 0 16px rgba(60, 100, 180, 0.3);
}

/* ===== 道具详情弹窗 ===== */
#item-detail {
  position: absolute; inset: 0; z-index: 25;
  background: rgba(5, 5, 15, 0.85);
  display: flex; align-items: center; justify-content: center;
}
#item-detail.hidden { display: none; }
#item-detail-content {
  background: var(--ui-bg); border: 1px solid var(--ui-border);
  border-radius: 6px; padding: 32px 40px;
  text-align: center; max-width: 340px; width: 80%;
}
#item-detail-emoji { font-size: 4rem; display: block; margin-bottom: 12px; }
#item-detail-emoji .detail-img {
  width: 96px;
  height: 96px;
  object-fit: contain;
  display: block;
  margin: 0 auto;
}
#item-detail-name  { font-size: 1.2rem; color: var(--gold); margin-bottom: 10px; letter-spacing: 0.15em; }
#item-detail-desc  { font-size: 0.9rem; color: var(--text-dim); line-height: 1.7; margin-bottom: 20px; }
#item-detail-close {
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim); padding: 5px 20px;
  cursor: pointer; font-family: inherit; font-size: 0.85rem;
  transition: color 0.2s, border-color 0.2s;
}
#item-detail-close:hover { color: var(--gold); border-color: var(--gold); }

/* ===== 背包栏 ===== */
#inventory-bar {
  height: calc(90px + env(safe-area-inset-bottom));
  padding: 8px calc(4px + env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) calc(4px + env(safe-area-inset-left));
  background: var(--ui-bg); border-top: 1px solid var(--ui-border);
  display: flex; align-items: center; justify-content: center;
  z-index: 15;
}
.inv-page-btn {
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim); font-size: 1.2rem;
  cursor: pointer; padding: 8px 12px;
  border-radius: 3px; margin: 0 4px;
  transition: color 0.2s, border-color 0.2s;
  flex-shrink: 0;
}
.inv-page-btn:hover {
  color: var(--gold); border-color: var(--gold);
}
.inv-page-btn.hidden { visibility: hidden; }
#inv-page-indicator {
  color: var(--text-dim);
  font-size: 0.75rem;
  margin: 0 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
#inv-page-indicator.hidden { display: none; }
#inventory-slots {
  display: flex; gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  -webkit-overflow-scrolling: touch;
}
#inventory-slots::-webkit-scrollbar { display: none; }
.inventory-slot {
  width: 60px; height: 60px;
  border: 1px solid var(--ui-border);
  border-radius: 4px;
  background: rgba(20, 20, 35, 0.6);
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
  position: relative;
  flex-shrink: 0;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.inventory-slot:hover,
.inventory-slot:active {
  border-color: var(--gold);
  box-shadow: 0 0 10px rgba(196, 163, 90, 0.2);
}
.inventory-slot.empty { cursor: default; }
.inventory-slot.empty:hover,
.inventory-slot.empty:active { border-color: var(--ui-border); box-shadow: none; }
.inventory-slot .inv-img {
  width: 44px;
  height: 44px;
  object-fit: contain;
  position: relative;
  z-index: 1;
}
.inventory-slot.selected {
  border-color: var(--gold-glow) !important;
  box-shadow: 0 0 16px rgba(232, 212, 139, 0.35) !important;
  animation: selectedGlow 0.8s ease-in-out infinite;
}
@keyframes selectedGlow {
  0%, 100% { box-shadow: 0 0 16px rgba(232, 212, 139, 0.35); }
  50% { box-shadow: 0 0 24px rgba(232, 212, 139, 0.55); }
}

/* ===== 笔记面板 ===== */
#notes-panel, #settings-panel {
  position: absolute; inset: 0; z-index: 30;
  background: rgba(5, 5, 15, 0.9);
  display: flex; align-items: center; justify-content: center;
}
#notes-content, #settings-content {
  background: var(--ui-bg); border: 1px solid var(--ui-border);
  border-radius: 6px; padding: 28px 32px;
  max-width: 500px; width: 85%; max-height: 70vh; overflow-y: auto;
}
#notes-content h3, #settings-content h3 {
  text-align: center; color: var(--gold); letter-spacing: 0.2em;
  margin-bottom: 20px; font-size: 1.1rem;
}
.note-entry {
  border-bottom: 1px solid var(--ui-border);
  padding: 12px 0; cursor: pointer;
  transition: color 0.2s;
}
.note-entry:hover { color: var(--gold); }
.note-entry .note-emoji { font-size: 1.5rem; margin-right: 8px; vertical-align: middle; display: inline-block; }
.note-entry .note-img {
  width: 28px;
  height: 28px;
  object-fit: contain;
  vertical-align: middle;
}
.note-entry .note-title { font-size: 1rem; }
#notes-close, #settings-close {
  display: block; margin: 20px auto 0;
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim); padding: 5px 20px;
  cursor: pointer; font-family: inherit; font-size: 0.85rem;
  transition: color 0.2s, border-color 0.2s;
}
#notes-close:hover, #settings-close:hover { color: var(--gold); border-color: var(--gold); }

/* ===== 转场效果 ===== */
.scene-transition {
  animation: inkBleed 0.6s ease-out;
}
@keyframes inkBleed {
  0%   { filter: blur(12px) brightness(0.3); opacity: 0; transform: scale(1.04); }
  40%  { filter: blur(6px) brightness(0.6); opacity: 0.5; }
  100% { filter: blur(0) brightness(1); opacity: 1; transform: scale(1); }
}

/* 墨水晕染覆盖层 */
#ink-overlay {
  position: absolute; inset: 0; z-index: 30;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 50%, transparent 0%, rgba(5,5,20,0.6) 70%, rgba(0,0,0,0.9) 100%);
  animation: inkOverlay 0.55s ease-out forwards;
}
@keyframes inkOverlay {
  0%   { opacity: 1; transform: scale(0.2); }
  50%  { opacity: 0.8; transform: scale(1.3); }
  100% { opacity: 0; transform: scale(1); }
}

/* ===== 响应式 ===== */
/* ===== 滑动拼图 ===== */
#puzzle-overlay {
  position: absolute; inset: 0; z-index: 35;
  background: rgba(5, 5, 15, 0.92);
  display: flex; align-items: center; justify-content: center;
  animation: puzzleFadeIn 0.3s ease-out;
}
@keyframes puzzleFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.puzzle-box {
  background: var(--ui-bg); border: 1px solid var(--ui-border);
  border-radius: 8px; padding: 24px 28px 20px;
  text-align: center; max-width: 380px; width: 88%;
  position: relative;
}
.puzzle-title {
  color: var(--gold); font-size: 1rem; letter-spacing: 0.2em;
  margin-bottom: 14px;
}
.puzzle-grid {
  display: grid; gap: 5px;
  margin: 0 auto 14px;
  max-width: 252px; width: 100%;
}
.puzzle-tile {
  aspect-ratio: 1;
  background: rgba(28, 28, 48, 0.85);
  border: 1px solid var(--ui-border);
  border-radius: 4px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.2s, box-shadow 0.2s;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}
.puzzle-tile:hover,
.puzzle-tile:active {
  border-color: var(--gold);
  box-shadow: 0 0 14px rgba(196, 163, 90, 0.3);
  transform: scale(1.05);
  z-index: 2;
}
.puzzle-tile.correct {
  border-color: var(--gold-glow);
  box-shadow: 0 0 10px rgba(232, 212, 139, 0.35);
}
.puzzle-tile.empty {
  background: transparent;
  border-color: transparent;
  cursor: default;
  box-shadow: none;
}
.puzzle-tile.empty:hover {
  transform: none;
  box-shadow: none;
}
.puzzle-info {
  color: var(--text-dim); font-size: 0.8rem;
  margin-bottom: 10px;
}
.puzzle-reset-btn {
  background: none; border: 1px solid var(--ui-border);
  color: var(--text-dim); padding: 5px 18px;
  cursor: pointer; font-family: inherit; font-size: 0.8rem;
  border-radius: 3px;
  transition: color 0.2s, border-color 0.2s;
  margin-right: 8px;
}
.puzzle-reset-btn:hover { color: var(--gold); border-color: var(--gold); }
.puzzle-close-btn {
  position: absolute; top: 6px; right: 10px;
  background: none; border: none;
  color: var(--text-dim); font-size: 1.2rem;
  cursor: pointer; padding: 6px 10px;
  transition: color 0.2s;
}
.puzzle-close-btn:hover { color: var(--accent); }
.puzzle-win-flash {
  animation: winFlash 0.5s ease-out;
}
@keyframes winFlash {
  0%   { box-shadow: 0 0 0 rgba(232, 212, 139, 0); }
  50%  { box-shadow: 0 0 30px rgba(232, 212, 139, 0.7); }
  100% { box-shadow: 0 0 0 rgba(232, 212, 139, 0); }
}

/* shake animation for wrong inputs */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}

@media (max-width: 600px) {
  .scene-element { font-size: 2rem; }
  #scene-title { font-size: 1rem; }
  #inventory-bar { height: calc(70px + env(safe-area-inset-bottom)); padding: 6px 2px calc(6px + env(safe-area-inset-bottom)) 2px; justify-content: flex-start; }
  #inventory-slots { gap: 4px; }
  .inventory-slot { width: 42px; height: 42px; font-size: 1.4rem; }
  .inventory-slot .inv-img { width: 30px; height: 30px; }
  .inv-page-btn { padding: 6px 8px; font-size: 1rem; margin: 0 2px; }
  #inv-page-indicator { font-size: 0.65rem; margin: 0 3px; }
  #overlay-title { font-size: 1.6rem; }
  #overlay-text { font-size: 0.9rem; }
  #holding-indicator { font-size: 0.75rem; top: 44px; padding: 4px 12px; }
  .top-btn { font-size: 1.15rem; padding: 6px 10px; }
  #btn-hint { right: 132px; }
  #btn-save { right: 98px; }
  #btn-notes { right: 66px; }
  .scene-img { width: 2.5rem; height: 2.5rem; }
  #item-detail-emoji .detail-img { width: 72px; height: 72px; }
}

/* 横屏适配 */
@media (orientation: landscape) and (max-height: 500px) {
  #game-container { height: 100dvh; }
  #inventory-bar { height: calc(56px + env(safe-area-inset-bottom)); }
  #inventory-bar .inventory-slot { width: 40px; height: 40px; font-size: 1.3rem; }
  .inventory-slot .inv-img { width: 28px; height: 28px; }
  #scene-title { top: 8px; font-size: 0.9rem; }
  .top-btn { top: calc(6px + env(safe-area-inset-top)); font-size: 1.1rem; padding: 4px 8px; }
  .nav-arrow { font-size: 1.5rem; padding: 8px 10px; }
  #dialog-box { bottom: 70px; padding: 12px 18px; }
  #dialog-text { font-size: 0.9rem; margin-bottom: 10px; }
}