/* game.css — 阶段三：完整游戏界面 + 记忆菜单 */

/* === 主界面 === */

#game-phase {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
}

/* --- Header --- */

#game-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

#header-right {
  display: flex;
  gap: var(--spacing-sm);
}

#mute-btn {
  width: 32px;
  text-align: center;
}

#mute-btn.muted {
  text-decoration: line-through;
  opacity: 0.5;
}

#game-header button {
  background: none;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

#game-header button:hover {
  color: var(--color-accent-gold);
  border-color: var(--color-accent-gold);
}

/* --- Main Content --- */

#game-main {
  display: flex;
  flex-direction: column;
  max-width: 90vw;
  width: 100%;
  height: calc(100vh - 56px - 150px);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 2;
  padding-bottom: 60px;
  overflow-y: auto;
}

/* --- 谜题区 --- */

#puzzle-area {
  flex-shrink: 0;
  min-height: 80px;
  padding: var(--spacing-lg) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

#puzzle-area:empty {
  min-height: 0;
  padding: 0;
}

#puzzle-area .puzzle-text {
  white-space: pre-wrap;
  line-height: 1.8;
}

#puzzle-area .puzzle-text.monospace {
  font-family: var(--font-mono);
  font-size: var(--font-size-mono);
}

#puzzle-area .puzzle-text.center {
  text-align: center;
}

#puzzle-area .puzzle-image {
  max-width: 100%;
  max-height: calc(100vh - 260px);
  height: auto;
  object-fit: contain;
  border-radius: 4px;
  cursor: pointer;
}

#puzzle-area .puzzle-image-link {
  display: block;
  text-align: center;
}

/* --- Puzzle 04 终端窗口 --- */

.puzzle-terminal {
  background: #0d1117;
  border: 1px solid #30363d;
  border-radius: 6px;
  overflow: hidden;
  width: 90%;
  max-width: 520px;
  margin: 0 auto;
}

.puzzle-terminal-header {
  background: #161b22;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-bottom: 1px solid #30363d;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: block;
}

.terminal-dots i:nth-child(1) { background: #ff5f57; }
.terminal-dots i:nth-child(2) { background: #febc2e; }
.terminal-dots i:nth-child(3) { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: #7d8590;
}

.puzzle-terminal-body {
  padding: 12px 16px;
  height: 320px;
  overflow-y: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: #33ff66;
}

.trace-line {
  white-space: pre-wrap;
  word-break: break-all;
}

.trace-dim {
  color: #7d8590;
}

.trace-warn {
  color: #d29922;
}

.trace-error {
  color: #f85149;
}

.trace-blink {
  color: #f85149;
  font-weight: bold;
  transition: opacity 0.15s;
}

#puzzle-area .puzzle-title {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-md);
}

/* --- 对话区 --- */

#dialogue-area {
  flex-shrink: 0;
  padding: var(--spacing-md) 0;
  line-height: 2;
  text-align: center;
}

#dialogue-area .dialogue-line {
  margin-bottom: var(--spacing-sm);
  opacity: 0;
  color: var(--color-text-dialogue);
  transition: opacity var(--transition-normal);
}

#dialogue-area .dialogue-line.visible {
  opacity: 1;
}

/* --- 输入区（固定在视口底部） --- */

#game-input-wrap {
  position: fixed;
  bottom: calc(72px + env(safe-area-inset-bottom, 0px));
  left: 50%;
  transform: translateX(-50%);
  max-width: 480px;
  width: calc(100% - var(--spacing-lg) * 2);
  padding-bottom: var(--spacing-xs);
  border-bottom: 1px solid rgba(224, 220, 212, 0.3);
  transition: border-color var(--transition-fast);
  z-index: 30;
}

#game-input-wrap:focus-within {
  border-color: rgba(224, 220, 212, 0.5);
}

#game-input-wrap.input-wrong {
  animation: inputShake 0.4s ease;
}

@keyframes inputShake {
  0%, 100% { transform: translateX(-50%); }
  15% { transform: translateX(calc(-50% - 6px)); }
  30% { transform: translateX(calc(-50% + 5px)); }
  45% { transform: translateX(calc(-50% - 4px)); }
  60% { transform: translateX(calc(-50% + 3px)); }
  75% { transform: translateX(calc(-50% - 2px)); }
}

#game-input {
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  text-align: center;
  caret-color: var(--color-text-primary);
}

#game-input::placeholder {
  color: var(--color-text-secondary);
  opacity: 0.4;
}

#click-hint-slot {
  position: fixed;
  bottom: calc(44px + env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 0;
  z-index: 30;
}

/* --- 诗句展示 --- */

.solved-answer {
  color: var(--color-bg-primary);
  background: var(--color-accent-gold);
  font-size: var(--font-size-base);
  font-family: var(--font-serif);
  letter-spacing: 0.05em;
  line-height: 1.4;
  width: fit-content;
  margin: 0 auto 2px;
  padding: 2px 12px;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.solved-answer.show {
  opacity: 1;
}

.solved-poem {
  color: var(--color-bg-primary);
  background: var(--color-accent-gold);
  font-size: 30px;
  font-family: var(--font-serif);
  line-height: 1.4;
  width: fit-content;
  margin: 0 auto var(--spacing-lg);
  padding: 2px 12px;
  opacity: 0;
  transition: opacity 1s ease;
}

.solved-poem.show {
  opacity: 1;
}

/* --- 填字格 (Puzzle 13) --- */

.crossword-grid {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-bottom: var(--spacing-md);
}

.crossword-row {
  display: flex;
  gap: 4px;
}

.crossword-cell {
  width: 28px;
  height: 28px;
  border: 1px solid var(--color-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-text-primary);
}

.crossword-cell.highlight {
  border-color: var(--color-accent-gold);
  background: rgba(201, 168, 76, 0.15);
}

.crossword-clues {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.8;
  text-align: center;
  font-style: italic;
}

.crossword-clue-line {
  margin-bottom: var(--spacing-xs);
}

/* --- Prompt 卡片 (Puzzle 14) --- */

.prompt-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.prompt-card {
  border: 1px solid rgba(122, 133, 153, 0.2);
  border-radius: 4px;
  padding: var(--spacing-md);
}

.prompt-label {
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-sm);
}

.prompt-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: 1.6;
  white-space: pre-wrap;
}

/* === 记忆菜单（侧边抽屉） === */

#menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  z-index: 90;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

#menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

#memory-menu {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 80vw;
  background: var(--color-bg-secondary);
  z-index: 100;
  transform: translateX(-100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  padding: var(--spacing-lg);
}

#memory-menu.open {
  transform: translateX(0);
}

#memory-menu h2 {
  font-size: var(--font-size-lg);
  color: var(--color-accent-gold);
  margin-bottom: var(--spacing-lg);
  font-weight: normal;
}

#memory-list {
  flex: 1;
  overflow-y: auto;
  position: relative;
}

#memory-list .empty-hint {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-style: italic;
}

#memory-list .memory-item {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid rgba(122, 133, 153, 0.15);
}

#memory-list .memory-item::before {
  content: '◆';
  color: var(--color-accent-gold);
  margin-right: var(--spacing-sm);
  font-size: 10px;
  vertical-align: middle;
}

#clear-memory-btn {
  margin-top: var(--spacing-lg);
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  cursor: pointer;
  border-radius: 2px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

#clear-memory-btn:hover:not(:disabled) {
  background: var(--color-error);
  color: #fff;
}

#clear-memory-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* === 标题画面 === */

#title-screen {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-primary);
  z-index: 20;
  transition: opacity 1.5s ease;
}

#title-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

.title-mute {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 25;
  width: 36px;
  height: 36px;
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.title-mute:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.title-mute.muted {
  text-decoration: line-through;
  opacity: 0.5;
}

#title-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#title-buttons {
  position: absolute;
  bottom: 12vh;
  left: 0;
  right: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(8px, 1.4vw, var(--spacing-md));
  z-index: 5;
}

#title-restart-confirm {
  position: absolute;
  bottom: 12vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
}

#title-start-btn,
#title-continue-btn,
#title-restart-btn,
#title-scp-btn,
#title-fragments-btn,
#title-artbook-btn {
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) 0;
  width: 148px;
  text-align: center;
  box-sizing: border-box;
  cursor: pointer;
  border-radius: 4px;
  letter-spacing: clamp(0.04em, 0.08vw, 0.1em);
  transition: background var(--transition-fast), color var(--transition-fast);
}

#title-start-btn:hover,
#title-continue-btn:hover {
  background: rgba(201, 168, 76, 0.85);
  color: var(--color-bg-primary);
}

#title-restart-btn,
#title-scp-btn,
#title-fragments-btn,
#title-artbook-btn {
  border-color: rgba(224, 220, 212, 0.60);
  color: rgba(224, 220, 212, 0.74);
}

#title-restart-btn:hover,
#title-scp-btn:hover,
#title-fragments-btn:hover,
#title-artbook-btn:hover {
  background: rgba(224, 220, 212, 0.55);
  border-color: rgba(224, 220, 212, 0.7);
  color: var(--color-bg-primary);
}

#title-artbook-btn {
  transition: none;
}

#title-artbook-btn.title-artbook-clue:disabled,
#title-artbook-btn.title-artbook-clue:disabled:hover {
  border-color: #FF8A3D;
  color: #FF8A3D;
}

#title-artbook-btn:disabled {
  cursor: default;
}

#title-artbook-btn:disabled:hover {
  border-color: var(--color-text-secondary);
  color: var(--color-text-secondary);
}

#title-artbook-btn.title-artbook-clue:disabled:hover {
  border-color: #FF8A3D;
  color: #FF8A3D;
}

#title-restart-confirm {
  text-align: center;
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: var(--spacing-md);
  border-radius: 4px;
}

#title-restart-confirm .confirm-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-sm);
}

#title-restart-yes {
  background: none;
  border: 1px solid var(--color-error);
  color: var(--color-error);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  cursor: pointer;
  border-radius: 2px;
  transition: background var(--transition-fast), color var(--transition-fast);
}

#title-restart-yes:hover {
  background: var(--color-error);
  color: #fff;
}

#title-restart-no {
  background: none;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-md);
  cursor: pointer;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

#title-restart-no:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

.wrong-hint {
  position: fixed;
  bottom: calc(115px + env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  pointer-events: none;
  z-index: 30;
}

/* === 调试工具栏 === */

#debug-toolbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(30, 30, 30, 0.95);
  border-top: 1px solid #444;
  padding: 6px 12px;
  display: none;
  align-items: center;
  gap: 8px;
  z-index: 9999;
  font-family: var(--font-mono);
  font-size: 12px;
}

.debug-label {
  color: #f0d060;
  font-weight: bold;
  margin-right: 4px;
}

#debug-toolbar button {
  background: #333;
  border: 1px solid #555;
  color: #ccc;
  padding: 3px 8px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: 2px;
}

#debug-toolbar button:hover {
  background: #444;
  color: #fff;
}

#debug-toolbar select {
  background: #333;
  border: 1px solid #555;
  color: #ccc;
  padding: 3px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  border-radius: 2px;
}

#debug-state {
  color: #888;
  margin-left: auto;
}

/* === Credits === */

#credits-phase {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  justify-content: center;
  align-items: center;
}

#credits-content {
  max-width: var(--content-max-width);
  text-align: center;
  line-height: 2.2;
  padding: var(--spacing-xl);
}

.credits-title {
  font-size: var(--font-size-xl);
  color: var(--color-accent-gold);
  letter-spacing: 0.1em;
  margin-bottom: var(--spacing-sm);
}

.credits-quote {
  font-size: var(--font-size-base);
  color: var(--color-text-dialogue);
  font-style: italic;
  line-height: 1.8;
}

.credits-quote-easter {
  cursor: default;
}

.credits-quote-easter .credits-hidden {
  display: none;
}

.credits-quote-easter:hover .credits-visible {
  display: none;
}

.credits-quote-easter:hover .credits-hidden {
  display: inline;
}

.credits-spacer {
  height: var(--spacing-lg);
}

.credits-dedication {
  font-size: var(--font-size-lg);
  color: var(--color-accent-gold);
}

.credits-dedication-sub {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

.credits-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  letter-spacing: 0.15em;
}

.credits-name {
  font-size: var(--font-size-lg);
  color: var(--color-accent-gold);
}



.credits-back-btn {
  margin-top: var(--spacing-xl);
  background: none;
  border: 1px solid var(--color-accent-gold);
  color: var(--color-accent-gold);
  font-family: var(--font-serif);
  font-size: var(--font-size-base);
  padding: var(--spacing-sm) var(--spacing-lg);
  cursor: pointer;
  border-radius: 2px;
  letter-spacing: 0.1em;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.credits-back-btn:hover {
  background: var(--color-accent-gold);
  color: var(--color-bg-primary);
}

/* === SCP 档案 === */

#scp-phase {
  background: #0a0e1a;
  color: var(--color-text-primary);
  font-family: var(--font-serif);
}

#scp-header {
  padding: var(--spacing-md) var(--spacing-lg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

#scp-mute-btn,
#fragments-mute-btn,
#artbook-mute-btn {
  position: fixed;
  top: var(--spacing-md);
  right: var(--spacing-md);
  z-index: 25;
  width: 36px;
  height: 36px;
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

#scp-mute-btn:hover,
#fragments-mute-btn:hover,
#artbook-mute-btn:hover {
  border-color: var(--color-text-primary);
  color: var(--color-text-primary);
}

#scp-mute-btn.muted,
#fragments-mute-btn.muted,
#artbook-mute-btn.muted {
  text-decoration: line-through;
  opacity: 0.5;
}

#scp-back-btn {
  background: none;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

#scp-back-btn:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

#scp-content {
  flex: 1;
  max-width: var(--content-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-lg) var(--spacing-xl);
  overflow-y: auto;
  font-size: var(--font-size-sm);
  line-height: 1.8;
}

/* SCP 警告条 */
.scp-warning-bar {
  background: #990011;
  color: #fff;
  text-align: center;
  padding: 10px var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: bold;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
}

/* SCP 分类信息栏 */
.scp-classification {
  background: rgba(18, 24, 40, 0.8);
  border: 1px solid rgba(224, 220, 212, 0.1);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.scp-class-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-sm);
}

.scp-class-row + .scp-class-row {
  margin-top: var(--spacing-sm);
}

.scp-class-item {
  border-left: 3px solid var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
}

.scp-class-item del {
  color: #cc0011;
  opacity: 0.6;
  margin-right: 6px;
}

.scp-class-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 2px;
}

.scp-class-value {
  font-size: var(--font-size-base);
  font-weight: bold;
  color: var(--color-text-primary);
}

.scp-class-keter {
  border-left-color: #cc0011;
}

.scp-class-ekhi {
  border-left-color: #d4a017;
}

.scp-class-critical {
  border-left-color: #cc0011;
}

/* SCP 机密横幅 */
.scp-clearance-banner {
  background: rgba(153, 0, 17, 0.3);
  border: 1px solid rgba(153, 0, 17, 0.5);
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  padding: 8px var(--spacing-md);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 1px;
  margin-bottom: var(--spacing-xl);
}

/* SCP 权限标签（行内） */
.scp-clearance-badge {
  display: inline-block;
  background: #990011;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 2px;
  letter-spacing: 1px;
  vertical-align: middle;
  margin-left: 6px;
}

/* SCP 文档内容样式 */
#scp-content h1 {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  margin: var(--spacing-lg) 0 var(--spacing-md);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid rgba(224, 220, 212, 0.15);
}

#scp-content h2 {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin: var(--spacing-lg) 0 var(--spacing-sm);
  padding-left: var(--spacing-sm);
  border-left: 3px solid #990011;
}

#scp-content h3 {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

#scp-content hr {
  border: none;
  border-top: 2px solid rgba(153, 0, 17, 0.3);
  margin: var(--spacing-lg) 0;
}

#scp-content blockquote {
  background: rgba(18, 24, 40, 0.6);
  border-left: 3px solid var(--color-text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-secondary);
  margin: var(--spacing-sm) 0;
  font-size: 13px;
}

#scp-content strong {
  color: var(--color-text-primary);
}

#scp-content em {
  color: var(--color-text-dialogue);
}

#scp-content .artbook-clue {
  color: #FF8A3D;
}

#scp-content del {
  color: var(--color-text-secondary);
  opacity: 0.5;
  background: rgba(153, 0, 17, 0.1);
  padding: 0 2px;
}

#scp-content li {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-xs);
}

/* === 记忆画廊 === */

#fragments-phase,
#artbook-phase {
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  overflow-y: auto;
}

#fragments-header,
#artbook-header {
  padding: var(--spacing-md) var(--spacing-lg);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

#fragments-back-btn,
#artbook-back-btn {
  background: none;
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

#fragments-back-btn:hover,
#artbook-back-btn:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

#fragments-grid,
#artbook-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-md);
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg) var(--spacing-xl);
}

#artbook-viewer {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

#artbook-viewer-image {
  width: 86vw;
  height: 82vh;
  max-width: none;
  max-height: none;
  object-fit: contain;
  border-radius: 8px;
}

#artbook-viewer-close,
#artbook-viewer-prev,
#artbook-viewer-next {
  position: absolute;
  background: rgba(10, 14, 26, 0.7);
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-primary);
  font-family: var(--font-serif);
  font-size: 20px;
  width: 42px;
  height: 42px;
  border-radius: 4px;
  cursor: pointer;
}

#artbook-viewer-close {
  top: 24px;
  right: 24px;
}

#artbook-viewer-prev {
  left: 24px;
  top: 50%;
  transform: translateY(-50%);
}

#artbook-viewer-next {
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
}

#artbook-viewer-prev:disabled,
#artbook-viewer-next:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.fragment-card {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}

.fragment-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}

.fragment-card:hover img {
  transform: scale(1.08);
}

.fragment-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  transition: background 0.3s ease;
}

.fragment-card:hover .fragment-overlay {
  background: rgba(0, 0, 0, 0.5);
}

.fragment-card-poem {
  font-size: var(--font-size-sm);
  color: var(--color-accent-gold);
  font-style: italic;
  text-align: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.fragment-card:hover .fragment-card-poem {
  opacity: 1;
}

.fragment-card-locked {
  cursor: default;
  background: var(--color-bg-secondary);
}

.fragment-card-locked .fragment-overlay {
  background: none;
  justify-content: center;
  align-items: center;
}

.fragment-card-locked:hover img {
  transform: none;
}

.fragment-card-locked:hover .fragment-overlay {
  background: none;
}

.fragment-locked-icon {
  font-size: 64px;
  color: var(--color-text-dialogue);
  opacity: 1;
}

.review-back-btn {
  position: fixed;
  top: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  background: rgba(10, 14, 26, 0.7);
  backdrop-filter: blur(4px);
  border: 1px solid var(--color-text-secondary);
  color: var(--color-text-secondary);
  font-family: var(--font-serif);
  font-size: var(--font-size-sm);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  border-radius: 2px;
  z-index: 50;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  display: none;
}

.review-back-btn:hover {
  border-color: var(--color-accent-gold);
  color: var(--color-accent-gold);
}

/* === 响应式 === */

@media (max-width: 768px) {
  #game-main {
    padding: 0 var(--spacing-md);
    height: calc(100dvh - 48px - 120px);
  }

  #game-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  #game-input-wrap {
    max-width: calc(100% - var(--spacing-md) * 2);
    bottom: calc(56px + env(safe-area-inset-bottom, 0px));
  }

  #click-hint-slot {
    bottom: calc(28px + env(safe-area-inset-bottom, 0px));
  }

  .wrong-hint {
    bottom: calc(96px + env(safe-area-inset-bottom, 0px));
  }

  #memory-menu {
    width: 85%;
    max-width: 85%;
  }

  .solved-poem {
    font-size: 24px;
  }

  .crossword-cell {
    width: 22px;
    height: 22px;
    font-size: 12px;
  }

  .prompt-card {
    padding: var(--spacing-sm);
  }

  .prompt-text {
    font-size: 12px;
  }

  #title-buttons {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
  }

  .scp-class-row {
    grid-template-columns: 1fr;
  }

  #scp-content {
    padding: 0 var(--spacing-md) var(--spacing-lg);
  }

  #fragments-grid,
  #artbook-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-md) var(--spacing-lg);
  }

  #artbook-viewer-image {
    width: 88vw;
    height: 78dvh;
    max-width: none;
    max-height: none;
    border-radius: 8px;
  }

  #artbook-viewer-close,
  #artbook-viewer-prev,
  #artbook-viewer-next {
    width: 38px;
    height: 38px;
    font-size: 18px;
  }
}