/* ===== 小菜鸟 - 全局样式 (PBS Kids 风格升级版) ===== */
/* 明亮活泼、大圆角、高对比色、适合10岁小朋友 */

/* 使用系统字体，避免 Google Fonts 在国内加载慢 */

:root {
  /* 主色调 */
  --primary: #ff6b35;
  --primary-dark: #e55a2b;
  --primary-light: #ff8c5a;
  --primary-glow: rgba(255, 107, 53, 0.4);
  
  /* 辅助色 */
  --blue: #4a90e2;
  --blue-light: #6bb3ff;
  --green: #52c41a;
  --green-light: #73d13d;
  --yellow: #ffd166;
  --yellow-bright: #ffe066;
  --purple: #a855f7;
  --purple-light: #c084fc;
  --pink: #ff6b9d;
  --teal: #4ecdc4;
  --red: #ff4757;
  
  /* 背景色 */
  --bg-main: #fff8f0;
  --bg-card: #ffffff;
  --bg-fun: linear-gradient(180deg, #fff8f0 0%, #fff0e6 100%);
  
  /* 文字色 */
  --text-dark: #2d3436;
  --text-light: #636e72;
  --text-white: #ffffff;
  
  /* 阴影 */
  --shadow-sm: 0 2px 8px rgba(255, 107, 53, 0.1);
  --shadow: 0 6px 20px rgba(255, 107, 53, 0.15);
  --shadow-hover: 0 12px 35px rgba(255, 107, 53, 0.25);
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-card-hover: 0 16px 45px rgba(0, 0, 0, 0.15);
  
  /* 圆角 - PBS Kids 超大圆角 */
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 28px;
  --radius-xl: 36px;
  --radius-full: 50px;

  /* 布局 */
  --max-width: 1200px;
  --container-padding: 24px;
}

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

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  font-family: inherit;
}

/* ===== 通用容器 ===== */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* ===== 导航栏 ===== */
.navbar {
  background: linear-gradient(135deg, var(--primary) 0%, #ff8c5a 100%);
  padding: 14px var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 20px rgba(255, 107, 53, 0.35);
}

.navbar .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 22px;
  font-weight: 900;
  color: var(--text-white);
  transition: transform 0.3s;
}

.navbar .logo:hover {
  transform: scale(1.05);
}

.navbar .logo img {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.6);
  object-fit: cover;
  transition: transform 0.3s;
}

.navbar .logo:hover img {
  transform: rotate(-10deg) scale(1.1);
}

.navbar .nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.navbar .nav-links a,
.navbar .nav-links button {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 700;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.navbar .nav-links a:hover,
.navbar .nav-links button:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.navbar .nav-links a:active,
.navbar .nav-links button:active {
  transform: translateY(0) scale(0.95);
}

/* ===== Footer - 简洁版 ===== */
.footer {
  background: linear-gradient(135deg, #2d3436 0%, #3d4a4c 100%);
  color: var(--text-white);
  text-align: center;
  padding: 36px 24px;
  margin-top: auto;
  position: relative;
  overflow: hidden;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--yellow), var(--green), var(--blue), var(--purple));
}

.footer p {
  font-size: 15px;
  opacity: 0.9;
  font-weight: 600;
}

/* ===== 通用按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: 16px;
  font-weight: 800;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.4s, height 0.4s;
}

.btn:active::after {
  width: 200px;
  height: 200px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--text-white);
  box-shadow: 0 4px 15px var(--primary-glow);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px var(--primary-glow);
}

.btn-primary:active {
  transform: translateY(0) scale(0.95);
}

.btn-secondary {
  background: linear-gradient(135deg, var(--yellow) 0%, #ffdc80 100%);
  color: var(--text-dark);
  box-shadow: 0 4px 15px rgba(255, 209, 102, 0.3);
}

.btn-secondary:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(255, 209, 102, 0.4);
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-light) 100%);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(74, 144, 226, 0.3);
}

.btn-blue:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px rgba(74, 144, 226, 0.4);
}

.btn-green {
  background: linear-gradient(135deg, var(--green) 0%, var(--green-light) 100%);
  color: var(--text-white);
  box-shadow: 0 4px 15px rgba(82, 196, 26, 0.3);
}

.btn-green:hover {
  transform: translateY(-3px) scale(1.05);
}

/* ===== 加载提示 ===== */
.loading-tip {
  text-align: center;
  padding: 40px;
  color: var(--text-light);
  font-size: 16px;
  font-weight: 600;
  grid-column: 1 / -1;
}

/* ===== 动画 ===== */
@keyframes bounce-in {
  0% { transform: scale(0.9); opacity: 0; }
  50% { transform: scale(1.02); }
  100% { transform: scale(1); opacity: 1; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(-5deg); }
  75% { transform: rotate(5deg); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 15px var(--primary-glow); }
  50% { box-shadow: 0 8px 30px var(--primary-glow); }
}

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

@keyframes rainbow-border {
  0% { border-color: var(--primary); }
  25% { border-color: var(--blue); }
  50% { border-color: var(--green); }
  75% { border-color: var(--purple); }
  100% { border-color: var(--primary); }
}

/* ===== 工具类 ===== */
.animate-bounce-in {
  animation: bounce-in 0.6s ease-out;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-wiggle:hover {
  animation: wiggle 0.5s ease-in-out;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
  :root {
    --container-padding: 16px;
  }

  .navbar {
    padding: 12px 16px;
  }
  
  .navbar .logo {
    font-size: 18px;
  }
  
  .navbar .logo img {
    width: 34px;
    height: 34px;
  }
  
  .navbar .nav-links a,
  .navbar .nav-links button {
    padding: 8px 16px;
    font-size: 13px;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 14px;
  }
}

/* ===== 滚动条美化 ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f0f0f0;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-light);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* 星级评分 */
.star-rating {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: 10px;
}
.star-label {
  font-size: 13px;
  color: #666;
  margin-right: 4px;
}
.star {
  font-size: 26px;
  color: #ddd;
  cursor: pointer;
  transition: color 0.15s, transform 0.1s;
  line-height: 1;
}
.star:hover, .star.active {
  color: #f59e0b;
  transform: scale(1.15);
}
.star-hint {
  font-size: 12px;
  color: #f59e0b;
  font-weight: 600;
  margin-left: 6px;
}
.comment-item .comment-name span {
  font-size: 13px;
}

/* ===== iPad 专属适配 ===== */
/* iPad 竖屏 744–1024px */
@media (min-width: 744px) and (max-width: 1024px) {
  .games-grid {
    grid-template-columns: repeat(3, 1fr) !important;
    gap: 20px !important;
  }
  .game-card {
    border-radius: 20px !important;
  }
  .hero-title {
    font-size: 2.2rem !important;
  }
  .nav-container {
    padding: 0 24px !important;
  }
}

/* iPad 横屏 1024–1366px */
@media (min-width: 1025px) and (max-width: 1366px) {
  .games-grid {
    grid-template-columns: repeat(4, 1fr) !important;
  }
}

/* 安全区域适配（刘海屏/圆角屏） */
body {
  padding-left: env(safe-area-inset-left);
  padding-right: env(safe-area-inset-right);
  padding-bottom: env(safe-area-inset-bottom);
}
.navbar {
  padding-top: env(safe-area-inset-top);
}

/* 触摸目标最小 44px */
button, .btn, a.btn, .nav-link {
  min-height: 44px;
}