/* ========== 化学侦探游戏样式 ========== */
:root {
  --bg-dark: #1a1a2e;
  --bg-mid: #16213e;
  --bg-light: #0f3460;
  --accent: #e94560;
  --accent-gold: #f5c518;
  --accent-green: #4ecca3;
  --text-primary: #eaeaea;
  --text-muted: #a0a0b0;
  --border: #2a2a4a;
  --card-bg: rgba(22, 33, 62, 0.9);
  --shadow: 0 4px 20px rgba(0,0,0,0.4);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Microsoft YaHei', 'PingFang SC', sans-serif;
  background: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

/* ========== 顶部状态栏 ========== */
#top-bar {
  background: linear-gradient(135deg, var(--bg-mid), var(--bg-light));
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 2px solid var(--accent);
  box-shadow: var(--shadow);
  flex-wrap: wrap;
  gap: 12px;
}

.detective-info { display: flex; align-items: center; gap: 16px; }
.badge {
  background: var(--accent);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: bold;
}
.rank { color: var(--accent-gold); font-size: 14px; font-weight: bold; }

.case-info { text-align: center; }
.case-title { display: block; font-size: 12px; color: var(--text-muted); }
.case-name { display: block; font-size: 18px; font-weight: bold; color: var(--accent-gold); }

.stats { display: flex; gap: 20px; }
.stat { font-size: 14px; color: var(--text-muted); }
.stat span { color: var(--accent-green); font-weight: bold; }

/* ========== 主游戏区域 ========== */
#game-container {
  flex: 1;
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* ========== 场景通用 ========== */
.scene {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 32px;
  border: 1px solid var(--border);
  animation: fadeIn 0.5s ease;
}

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

.scene-title {
  font-size: 28px;
  color: var(--accent-gold);
  margin-bottom: 20px;
  border-left: 4px solid var(--accent);
  padding-left: 16px;
}

.scene-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 24px;
}

/* ========== 开始界面 ========== */
.start-screen {
  text-align: center;
  padding: 60px 20px;
}

.start-screen h1 {
  font-size: 48px;
  color: var(--accent-gold);
  margin-bottom: 10px;
  text-shadow: 0 0 30px rgba(245, 197, 24, 0.3);
}

.start-screen .subtitle {
  font-size: 20px;
  color: var(--accent);
  margin-bottom: 40px;
  letter-spacing: 4px;
}

.start-screen .story-intro {
  max-width: 600px;
  margin: 0 auto 40px;
  text-align: left;
  background: rgba(0,0,0,0.3);
  padding: 24px;
  border-radius: 12px;
  border-left: 3px solid var(--accent-gold);
  line-height: 1.8;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #c73e54);
  color: white;
  border: none;
  padding: 14px 40px;
  font-size: 18px;
  border-radius: 30px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.3s;
  box-shadow: 0 4px 15px rgba(233, 69, 96, 0.4);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 69, 96, 0.6);
}

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
  padding: 12px 28px;
  font-size: 16px;
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s;
  margin: 8px;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }

/* ========== 嫌疑人卡片 ========== */
.suspects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin: 24px 0;
}

.suspect-card {
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 20px;
  border: 2px solid var(--border);
  transition: all 0.3s;
  cursor: pointer;
}
.suspect-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
}
.suspect-card.selected {
  border-color: var(--accent-gold);
  background: rgba(245, 197, 24, 0.1);
}

.suspect-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  margin-bottom: 12px;
}

.suspect-name { font-size: 18px; font-weight: bold; margin-bottom: 4px; }
.suspect-role { font-size: 13px; color: var(--text-muted); margin-bottom: 10px; }
.suspect-alibi { font-size: 13px; line-height: 1.6; color: var(--text-primary); }

/* ========== 现场调查 ========== */
.crime-scene {
  position: relative;
  background: linear-gradient(180deg, #2d2d44 0%, #1a1a2e 100%);
  border-radius: 12px;
  height: 400px;
  margin: 20px 0;
  overflow: hidden;
  border: 2px solid var(--border);
}

.scene-object {
  position: absolute;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 36px;
  filter: drop-shadow(0 0 8px rgba(245, 197, 24, 0.5));
}
.scene-object:hover {
  transform: scale(1.2);
  filter: drop-shadow(0 0 16px rgba(245, 197, 24, 0.8));
}
.scene-object.found {
  opacity: 0.3;
  cursor: default;
}
.scene-object.found::after {
  content: '✓';
  position: absolute;
  top: -10px;
  right: -10px;
  background: var(--accent-green);
  color: white;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.scene-label {
  position: absolute;
  bottom: 8px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0,0,0,0.7);
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
}

/* ========== 实验台 ========== */
.lab-station {
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 24px;
  margin: 20px 0;
  border: 1px solid var(--border);
}

.lab-title {
  font-size: 20px;
  color: var(--accent-green);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.lab-equipment {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 30px;
  margin: 20px 0;
  min-height: 200px;
}

.beaker {
  width: 100px;
  height: 140px;
  border: 3px solid var(--text-muted);
  border-top: none;
  border-radius: 0 0 12px 12px;
  position: relative;
  background: rgba(255,255,255,0.05);
}

.beaker-liquid {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(100, 200, 255, 0.4);
  transition: height 1s, background 0.5s;
  border-radius: 0 0 9px 9px;
}

.beaker-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
}

.laser-beam {
  position: absolute;
  height: 4px;
  background: linear-gradient(90deg, #fff700, rgba(255,247,0,0.3));
  box-shadow: 0 0 10px #fff700;
  top: 50%;
  left: 0;
  right: 0;
  opacity: 0;
  transition: opacity 0.5s;
}

.laser-beam.visible { opacity: 1; }

.lab-controls {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 20px;
}

.lab-btn {
  background: var(--bg-light);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}
.lab-btn:hover { border-color: var(--accent-green); background: rgba(78, 204, 163, 0.1); }
.lab-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.lab-result {
  margin-top: 16px;
  padding: 16px;
  background: rgba(78, 204, 163, 0.1);
  border-radius: 8px;
  border-left: 3px solid var(--accent-green);
  display: none;
}
.lab-result.show { display: block; animation: fadeIn 0.5s; }
.lab-result h4 { color: var(--accent-green); margin-bottom: 8px; }

/* ========== 推理板 ========== */
.deduction-board {
  background: rgba(0,0,0,0.3);
  border-radius: 12px;
  padding: 24px;
  margin: 20px 0;
}

.deduction-question {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--accent-gold);
}

.deduction-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.deduction-option {
  background: var(--bg-light);
  border: 2px solid var(--border);
  padding: 14px 20px;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.3s;
  font-size: 15px;
}
.deduction-option:hover { border-color: var(--accent); }
.deduction-option.correct { border-color: var(--accent-green); background: rgba(78, 204, 163, 0.2); }
.deduction-option.wrong { border-color: var(--accent); background: rgba(233, 69, 96, 0.2); }

/* ========== 结算界面 ========== */
.result-screen {
  text-align: center;
  padding: 40px 20px;
}

.result-grade {
  font-size: 80px;
  font-weight: bold;
  margin: 20px 0;
  text-shadow: 0 0 30px currentColor;
}
.grade-S { color: var(--accent-gold); }
.grade-A { color: var(--accent-green); }
.grade-B { color: #4fc3f7; }
.grade-C { color: var(--text-muted); }

.result-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 16px;
  margin: 30px 0;
}

.result-stat {
  background: rgba(0,0,0,0.3);
  padding: 16px;
  border-radius: 10px;
}
.result-stat-label { font-size: 13px; color: var(--text-muted); }
.result-stat-value { font-size: 24px; font-weight: bold; color: var(--accent-gold); margin-top: 4px; }

.rank-change {
  font-size: 20px;
  color: var(--accent-green);
  margin: 20px 0;
}

/* ========== 弹窗 ========== */
#modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
}
#modal-overlay.hidden { display: none; }

#modal-content {
  background: var(--bg-mid);
  border-radius: 16px;
  padding: 32px;
  max-width: 700px;
  width: 100%;
  max-height: 80vh;
  overflow-y: auto;
  border: 2px solid var(--accent);
}

.modal-close {
  float: right;
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 24px;
  cursor: pointer;
}
.modal-close:hover { color: var(--accent); }

.modal-title {
  font-size: 24px;
  color: var(--accent-gold);
  margin-bottom: 20px;
}

/* ========== 图鉴/列表 ========== */
.codex-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 12px;
}

.codex-item {
  background: rgba(0,0,0,0.3);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
  border: 1px solid var(--border);
}
.codex-item.locked { opacity: 0.4; filter: grayscale(1); }
.codex-icon { font-size: 32px; margin-bottom: 6px; }
.codex-name { font-size: 13px; font-weight: bold; }
.codex-formula { font-size: 11px; color: var(--text-muted); }

.ranking-list { list-style: none; }
.ranking-item {
  display: flex;
  align-items: center;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}
.ranking-item.me { background: rgba(245, 197, 24, 0.1); border-radius: 8px; }
.ranking-num { width: 30px; font-weight: bold; color: var(--accent-gold); }
.ranking-name { flex: 1; }
.ranking-score { color: var(--accent-green); font-weight: bold; }

.achievement-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.achievement-item {
  background: rgba(0,0,0,0.3);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
  border: 1px solid var(--border);
}
.achievement-item.locked { opacity: 0.4; filter: grayscale(1); }
.achievement-icon { font-size: 36px; margin-bottom: 8px; }
.achievement-name { font-size: 13px; font-weight: bold; }
.achievement-desc { font-size: 11px; color: var(--text-muted); margin-top: 4px; }

/* ========== 底部导航 ========== */
#bottom-bar {
  background: var(--bg-mid);
  padding: 12px;
  display: flex;
  justify-content: center;
  gap: 16px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.nav-btn {
  background: var(--bg-light);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: all 0.3s;
}
.nav-btn:hover { border-color: var(--accent); background: rgba(233, 69, 96, 0.1); }

/* ========== Toast ========== */
#toast {
  position: fixed;
  top: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent-green);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  z-index: 2000;
  font-weight: bold;
  animation: slideDown 0.3s;
}
#toast.hidden { display: none; }
@keyframes slideDown {
  from { top: 40px; opacity: 0; }
  to { top: 80px; opacity: 1; }
}

/* ========== 响应式 ========== */
@media (max-width: 768px) {
  #top-bar { flex-direction: column; text-align: center; gap: 8px; padding: 10px 12px; }
  .stats { justify-content: center; gap: 12px; }
  .stat { font-size: 12px; }
  .scene { padding: 16px; }
  .start-screen h1 { font-size: 28px; }
  .start-screen .subtitle { font-size: 16px; letter-spacing: 2px; }
  .crime-scene { height: 280px; }
  .scene-object { font-size: 28px; }
  .scene-label { font-size: 10px; }
  .suspects-grid { grid-template-columns: 1fr; }
  .lab-equipment { gap: 15px; }
  .beaker { width: 80px; height: 110px; }
  .btn-primary { padding: 12px 28px; font-size: 16px; }
  .btn-secondary { padding: 10px 20px; font-size: 14px; margin: 4px; }
  .nav-btn { padding: 8px 12px; font-size: 12px; }
  #bottom-bar { gap: 8px; padding: 8px; }
  .result-grade { font-size: 60px; }
  .result-stats { grid-template-columns: repeat(2, 1fr); }
  #modal-content { padding: 20px; margin: 10px; }
  .modal-title { font-size: 20px; }
  .scene-title { font-size: 22px; }
  .deduction-option { padding: 12px 16px; font-size: 14px; }
}

@media (max-width: 480px) {
  .start-screen h1 { font-size: 24px; }
  .start-screen .story-intro { padding: 16px; font-size: 14px; }
  .crime-scene { height: 240px; }
  .scene-object { font-size: 24px; }
  .lab-btn { padding: 8px 14px; font-size: 13px; }
  .codex-grid { grid-template-columns: repeat(3, 1fr); }
  .achievement-grid { grid-template-columns: repeat(2, 1fr); }
}

/* iPad横屏适配 */
@media (min-width: 768px) and (max-width: 1024px) {
  .crime-scene { height: 350px; }
  .suspects-grid { grid-template-columns: repeat(3, 1fr); }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
  .btn-primary, .btn-secondary, .lab-btn, .nav-btn,
  .suspect-card, .deduction-option, .scene-object {
    min-height: 44px;
    min-width: 44px;
  }
  .scene-object {
    padding: 8px;
  }
}

/* 防止移动端双击缩放 */
* {
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

/* 安全区域适配（刘海屏） */
@supports (padding: max(0px)) {
  #top-bar {
    padding-top: max(12px, env(safe-area-inset-top));
  }
  #bottom-bar {
    padding-bottom: max(12px, env(safe-area-inset-bottom));
  }
}