/* ============================================
   防诈骗小卫士闯关游戏 — 共享样式表
   明亮温暖主题 · 卡通可爱 · 圆角卡片 · 微动效
   ============================================ */

/* --- CSS 自定义属性（主题色） --- */
:root {
  --color-bg-start: #dbeafe;
  --color-bg-mid: #fef9f0;
  --color-bg-end: #fff5f0;
  --color-primary: #ff6b6b;
  --color-primary-hover: #ff8e8e;
  --color-secondary: #7c5ce7;
  --color-accent: #ffa726;
  --color-success: #26c281;
  --color-danger: #fc5c65;
  --color-card-bg: rgba(255, 255, 255, 0.85);
  --color-card-border: rgba(0, 0, 0, 0.08);
  --color-text: #2d3436;
  --color-text-dim: #636e72;
  --color-text-bright: #1e272e;
  --radius-card: 20px;
  --radius-btn: 14px;
  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 8px 32px rgba(0, 0, 0, 0.14);
  --shadow-btn: 0 4px 14px rgba(255, 107, 107, 0.3);
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

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

html { font-size: 16px; -webkit-text-size-adjust: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: linear-gradient(135deg, var(--color-bg-start), var(--color-bg-mid), var(--color-bg-end));
  background-attachment: fixed;
  color: var(--color-text);
  min-height: 100vh;
  line-height: 1.6;
  padding: 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* --- 背景装饰圆点 --- */
body::before {
  content: ''; position: fixed; top: -120px; right: -80px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255, 167, 38, 0.15), transparent 70%);
  border-radius: 50%; pointer-events: none; z-index: 0;
}
body::after {
  content: ''; position: fixed; bottom: -100px; left: -60px;
  width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(124, 92, 231, 0.12), transparent 70%);
  border-radius: 50%; pointer-events: none; z-index: 0;
}

/* --- 容器 --- */
.container { max-width: 800px; width: 100%; margin: 0 auto; padding: 0 16px; position: relative; z-index: 1; }

/* --- 渐变标题 --- */
.gradient-title {
  font-size: 2.2rem; font-weight: 800; text-align: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary), var(--color-accent));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; margin-bottom: 8px; letter-spacing: 1px;
}
.subtitle { text-align: center; color: var(--color-text-dim); font-size: 1rem; margin-bottom: 32px; }

/* --- 导航栏 --- */
.nav-bar { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-bottom: 28px; }
.nav-bar a {
  color: var(--color-text-dim); text-decoration: none; font-size: 0.85rem;
  padding: 6px 14px; border-radius: 20px; background: rgba(255,255,255,0.7);
  transition: all var(--transition-fast); box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.nav-bar a:hover { color: var(--color-primary); background: #fff; transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); }

/* --- 卡片 --- */
.card {
  background: var(--color-card-bg); border: 1px solid var(--color-card-border);
  border-radius: var(--radius-card); padding: 28px 24px; box-shadow: var(--shadow-card);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card-title { font-size: 1.3rem; font-weight: 700; color: var(--color-text-bright); margin-bottom: 8px; }
.card-desc { font-size: 0.95rem; color: var(--color-text-dim); line-height: 1.5; }

/* --- 按钮 --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 28px; border: none; border-radius: var(--radius-btn);
  font-size: 1rem; font-weight: 600; font-family: inherit; cursor: pointer;
  transition: all var(--transition-fast); text-decoration: none;
  color: #fff; background: var(--color-primary); box-shadow: var(--shadow-btn);
  position: relative; overflow: hidden;
}
.btn:hover { background: var(--color-primary-hover); transform: scale(1.05); box-shadow: 0 6px 20px rgba(255,107,107,0.45); }
.btn:active { transform: scale(0.97); }

/* 按钮点击涟漪 */
.btn .ripple {
  position: absolute; border-radius: 50%; background: rgba(255,255,255,0.4);
  transform: scale(0); animation: rippleEffect 0.6s ease-out; pointer-events: none;
}
@keyframes rippleEffect { to { transform: scale(4); opacity: 0; } }

.btn-secondary { background: rgba(0,0,0,0.06); color: var(--color-text); box-shadow: none; }
.btn-secondary:hover { background: rgba(0,0,0,0.1); box-shadow: 0 4px 14px rgba(0,0,0,0.1); }
.btn-success { background: var(--color-success); box-shadow: 0 4px 14px rgba(38,194,129,0.3); color: #fff; }
.btn-success:hover { background: #3ddc97; box-shadow: 0 6px 20px rgba(38,194,129,0.45); }
.btn-danger { background: var(--color-danger); box-shadow: 0 4px 14px rgba(252,92,101,0.3); color: #fff; }
.btn-danger:hover { background: #fd7a7a; box-shadow: 0 6px 20px rgba(252,92,101,0.45); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 18px 36px; font-size: 1.15rem; }

/* --- 选项按钮 --- */
.option-group { display: flex; flex-direction: column; gap: 14px; margin-top: 24px; }
.option-btn {
  display: flex; align-items: center; gap: 12px; padding: 16px 20px;
  border: 2px solid rgba(0,0,0,0.1); border-radius: var(--radius-btn);
  background: rgba(255,255,255,0.7); color: var(--color-text);
  font-size: 1.05rem; font-family: inherit; cursor: pointer;
  transition: all var(--transition-fast); text-align: left; width: 100%;
}
.option-btn:hover { border-color: var(--color-primary); background: rgba(255,107,107,0.08); transform: translateX(6px); box-shadow: 0 4px 14px rgba(255,107,107,0.15); }
.option-btn:active { transform: translateX(6px) scale(0.99); }
.option-btn .emoji { font-size: 1.5rem; flex-shrink: 0; }
.option-btn.correct-flash { border-color: var(--color-success) !important; background: rgba(38,194,129,0.15) !important; animation: correctPulse 0.5s ease; pointer-events: none; }
.option-btn.wrong-flash { border-color: var(--color-danger) !important; background: rgba(252,92,101,0.12) !important; pointer-events: none; }
@keyframes correctPulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.03)} }

/* --- 场景描述框 --- */
.scene-box {
  background: rgba(255,255,255,0.7); border-radius: var(--radius-card); padding: 24px;
  margin-bottom: 20px; border-left: 4px solid var(--color-secondary); box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.scene-box .scene-emoji { font-size: 2.5rem; display: block; margin-bottom: 12px; }
.scene-box p { font-size: 1.1rem; line-height: 1.7; color: var(--color-text); }

/* --- 结果页面 --- */
.result-card { text-align: center; padding: 48px 32px; }
.result-card .big-emoji { font-size: 5rem; display: block; margin-bottom: 16px; }
.result-card h1 { font-size: 2rem; margin-bottom: 12px; }
.result-card p { font-size: 1.1rem; color: var(--color-text-dim); margin-bottom: 32px; max-width: 400px; margin-left: auto; margin-right: auto; }

/* --- 进度指示器 --- */
.progress-bar { display: flex; justify-content: center; gap: 10px; margin-bottom: 28px; }
.progress-dot { width: 14px; height: 14px; border-radius: 50%; background: rgba(0,0,0,0.1); transition: all var(--transition-normal); }
.progress-dot.active { background: var(--color-primary); box-shadow: 0 0 12px rgba(255,107,107,0.5); transform: scale(1.2); }
.progress-dot.done { background: var(--color-success); }

/* --- 反馈弹窗 --- */
.feedback-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); backdrop-filter: blur(4px); z-index: 1000; align-items: center; justify-content: center; }
.feedback-overlay.show { display: flex; }
.feedback-modal {
  background: #fff; border: 1px solid rgba(0,0,0,0.08); border-radius: var(--radius-card);
  padding: 36px 32px; max-width: 440px; width: 90%; text-align: center;
  box-shadow: 0 20px 60px rgba(0,0,0,0.2); animation: modalIn 0.3s ease;
  max-height: 85vh; overflow-y: auto;
}
@keyframes modalIn { from{transform:scale(0.9) translateY(20px);opacity:0} to{transform:scale(1) translateY(0);opacity:1} }
.feedback-modal .fb-emoji { font-size: 3.5rem; display: block; margin-bottom: 12px; }
.feedback-modal h2 { color: var(--color-text-bright); margin-bottom: 8px; }
.feedback-modal .fb-desc { color: var(--color-text-dim); margin-bottom: 20px; font-size: 0.95rem; }

/* --- 知识卡片 --- */
.knowledge-card {
  background: linear-gradient(135deg,#fffbeb,#fff7ed); border: 2px solid var(--color-accent);
  border-radius: 16px; padding: 16px 18px; margin-bottom: 20px; text-align: left;
}
.knowledge-card .kc-icon { font-size: 1.6rem; display: block; margin-bottom: 6px; }
.knowledge-card .kc-title { font-size: 0.9rem; font-weight: 700; color: var(--color-accent); margin-bottom: 6px; }
.knowledge-card .kc-body { font-size: 0.88rem; color: var(--color-text); line-height: 1.6; }

/* --- 星星评价 --- */
.star-rating { display: flex; justify-content: center; gap: 6px; margin-bottom: 16px; }
.star-rating .star-icon { font-size: 1.8rem; transition: all 0.3s ease; opacity: 0.25; }
.star-rating .star-icon.earned { opacity: 1; animation: starPop 0.5s ease forwards; }
@keyframes starPop { 0%{transform:scale(0) rotate(-30deg)} 60%{transform:scale(1.4) rotate(10deg)} 100%{transform:scale(1) rotate(0deg)} }

/* --- 倒计时 --- */
.timer-bar {
  text-align: center; font-size: 1.3rem; font-weight: 600; margin-bottom: 16px;
  padding: 8px 16px; background: rgba(255,255,255,0.7); border-radius: 12px;
  display: inline-block; min-width: 100px; box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.timer-bar.warning { color: #fc5c65; animation: timerPulse 0.5s ease infinite alternate; }
@keyframes timerPulse { from{transform:scale(1)} to{transform:scale(1.08)} }

/* --- 撒花 --- */
.confetti-container { position: fixed; inset: 0; pointer-events: none; z-index: 999; overflow: hidden; }
.confetti-piece { position: absolute; top: -20px; width: 10px; height: 10px; border-radius: 2px; animation: confettiFall linear forwards; }
@keyframes confettiFall { 0%{transform:translateY(0) rotate(0deg);opacity:1} 100%{transform:translateY(100vh) rotate(720deg);opacity:0} }

/* --- 星星显示 --- */
.stars-display { text-align: center; font-size: 1.1rem; margin-bottom: 16px; color: var(--color-accent); }

/* --- 提示框 --- */
.hint-box {
  background: rgba(255,167,38,0.1); border: 1px solid rgba(255,167,38,0.3);
  border-radius: var(--radius-btn); padding: 14px 18px; margin-top: 10px;
  font-size: 0.95rem; color: #e67e22; line-height: 1.6; animation: hintFadeIn 0.3s ease;
}
@keyframes hintFadeIn { from{opacity:0;transform:translateY(-8px)} to{opacity:1;transform:translateY(0)} }

/* --- 成绩面板 --- */
.score-panel { margin-top: 20px; padding: 20px 24px; }
.score-panel-header { font-size: 1.1rem; font-weight: 700; color: var(--color-text-bright); margin-bottom: 14px; text-align: center; }
.score-panel-body { display: flex; flex-direction: column; gap: 10px; }
.score-row { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; background: rgba(255,107,107,0.05); border-radius: 12px; font-size: 0.9rem; }
.score-level { color: var(--color-text-bright); font-weight: 600; flex: 1; }
.score-stars { color: var(--color-accent); margin: 0 12px; min-width: 60px; text-align: center; }
.score-time { color: var(--color-secondary); margin: 0 12px; min-width: 50px; text-align: center; }
.score-wrong { color: var(--color-danger); min-width: 50px; text-align: center; }

/* --- 音效开关 --- */
.sound-toggle {
  position: fixed; top: 16px; right: 16px; width: 44px; height: 44px;
  border-radius: 50%; border: none; background: rgba(255,255,255,0.8);
  box-shadow: 0 2px 12px rgba(0,0,0,0.1); font-size: 1.3rem; cursor: pointer;
  z-index: 100; transition: all var(--transition-fast);
  display: flex; align-items: center; justify-content: center;
}
.sound-toggle:hover { transform: scale(1.1); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }

/* --- 成就徽章 --- */
.achievements-grid { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-bottom: 20px; }
.achievement-badge {
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  padding: 14px 16px; border-radius: 16px; background: rgba(255,255,255,0.7);
  border: 1px solid rgba(0,0,0,0.06); min-width: 90px; transition: all var(--transition-normal);
}
.achievement-badge.earned { border-color: var(--color-accent); background: linear-gradient(135deg,#fff9e6,#fff3cd); box-shadow: 0 2px 12px rgba(255,167,38,0.2); }
.achievement-badge.locked { opacity: 0.45; filter: grayscale(0.8); }
.achievement-badge .ach-emoji { font-size: 1.8rem; }
.achievement-badge .ach-name { font-size: 0.75rem; font-weight: 600; color: var(--color-text); text-align: center; }
.achievement-badge .ach-status { font-size: 0.65rem; color: var(--color-text-dim); }

/* --- 响应式 --- */
@media (max-width: 600px) {
  body { padding: 12px; }
  .gradient-title { font-size: 1.6rem; }
  .card { padding: 20px 16px; }
  .option-btn { padding: 14px 16px; font-size: 0.95rem; }
  .result-card { padding: 32px 20px; }
  .result-card .big-emoji { font-size: 3.5rem; }
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
  .nav-bar { gap: 5px; }
  .nav-bar a { font-size: 0.78rem; padding: 5px 10px; }
  .sound-toggle { top: 10px; right: 10px; width: 38px; height: 38px; font-size: 1.1rem; }
}