/* === 全局重置：消除默认间距 === */
body {
  margin: 0;
  padding: 0;
  background-color: #0f172a; /* 深蓝背景，匹配你的主题 */
  color: #e2e8f0;
  font-family: 'Exo 2', sans-serif;
}

/* === 顶部菜单样式 === */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(15, 23, 42, 0.95); /* 深蓝半透背景 */
  padding: 10px 16px;
  margin: 0;
  border-bottom: 1px solid #334155; /* 边框，增强层次感 */
  font-size: 15px;
  color: #cbd5e1;
  z-index: 1000;
  flex-wrap: wrap;
  gap: 8px;
}
.top-bar a {
  color: #93c5fd;
  text-decoration: none;
  margin-left: 10px;
  transition: color 0.2s ease;
  white-space: nowrap;
}
.top-bar a:hover {
  color: #dbeafe;
}

/* 蓝白色系主题 */
:root {
  --primary: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-light: #60a5fa;
  --secondary: #0ea5e9;
  --accent: #8b5cf6;
  --light: #f0f9ff;
  --dark: #0f172a;
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border: #1e293b;
  --card-bg: rgba(30, 41, 59, 0.7);
  --card-border: rgba(56, 189, 248, 0.2);
}

/* 游戏感字体 */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;500;700&family=Exo+2:wght@300;400;600&display=swap');

body {
  font-family: 'Exo 2', sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0c4a6e 100%);
  color: #e2e8f0;
  min-height: 100vh;
  margin: 0;
  padding: 12px;
  background-attachment: fixed;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 8px;
}

/* 游戏标题样式 */
.game-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 36px;
  text-align: center;
  margin: 24px 0 32px;
  background: linear-gradient(90deg, #60a5fa, #8b5cf6, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
  letter-spacing: 0.5px;
}

/* 卡片样式 */
.card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 16px;
  padding: 20px;
  margin: 16px 0;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
  border-color: rgba(56, 189, 248, 0.4);
}

/* 按钮样式 */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 12px 24px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  font-family: 'Exo 2', sans-serif;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 16px;
  text-align: center;
  margin: 8px 4px;
  box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
  min-height: 44px; /* 移动端最小点击区域 */
  min-width: 100px;
  box-sizing: border-box;
}
.btn:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}
.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  box-shadow: 0 4px 15px rgba(239, 68, 68, 0.3);
}
.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* 输入框样式 */
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  width: 100%;
  padding: 14px 18px;
  margin: 12px 0;
  border: 2px solid #334155;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.8);
  color: white;
  font-size: 16px;
  font-family: 'Exo 2', sans-serif;
  transition: all 0.3s ease;
  min-height: 44px; /* 符合移动端标准 */
}
input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* 警告框 */
.alert {
  padding: 16px 20px;
  border-radius: 10px;
  margin: 20px 0;
  border-left: 4px solid;
  font-weight: 500;
  font-size: 15px;
}
.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: var(--success);
  color: #a7f3d0;
}
.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border-color: var(--danger);
  color: #fca5a5;
}

/* 武器卡片 */
.weapon-card {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 2px solid rgba(59, 130, 246, 0.3);
  text-align: center;
  position: relative;
  overflow: hidden;
  padding: 24px 16px;
}
.weapon-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  z-index: 0;
}
.weapon-name {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  color: #60a5fa;
  margin-bottom: 10px;
  position: relative;
  z-index: 1;
}
.stars {
  color: #fbbf24;
  font-size: 20px;
  margin: 10px 0;
  text-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}
.stage {
  color: #c084fc;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 20px;
}

/* 统计网格 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 16px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.stat-item {
  background: rgba(15, 23, 42, 0.6);
  border-radius: 12px;
  padding: 16px;
  border: 1px solid rgba(56, 189, 248, 0.2);
  text-align: center;
}
.stat-value {
  font-family: 'Orbitron', sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #60a5fa;
  margin-bottom: 6px;
}
.stat-label {
  color: #94a3b8;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* 操作按钮组 */
.actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin: 24px 0;
}

/* 排行榜表格 - 支持横向滚动 */
.rank-table-wrapper {
  overflow-x: auto;
  border-radius: 12px;
  margin: 20px 0;
}
.rank-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  background: rgba(15, 23, 42, 0.7);
}
.rank-table th {
  background: rgba(59, 130, 246, 0.3);
  color: white;
  padding: 16px;
  text-align: left;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-size: 14px;
}
.rank-table td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
}
.rank-table tr:last-child td {
  border-bottom: none;
}
.rank-table tr:hover {
  background: rgba(59, 130, 246, 0.1);
}

/* 登录凭证 */
.login-notice {
  background: linear-gradient(135deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  border: 2px solid rgba(139, 92, 246, 0.3);
  border-radius: 12px;
  padding: 18px;
  margin: 20px 0;
  text-align: center;
  font-size: 14px;
}
.login-notice code {
  background: rgba(139, 92, 246, 0.2);
  padding: 6px 10px;
  border-radius: 6px;
  font-family: 'Courier New', monospace;
  color: #c084fc;
  font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 0 6px;
  }
  body {
    padding: 8px;
  }
  .game-title {
    font-size: 28px;
    margin: 20px 0 24px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .actions {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 300px;
    padding: 14px;
    font-size: 16px;
  }
  .top-bar {
    padding: 10px;
    font-size: 14px;
  }
  .top-bar a {
    margin-left: 8px;
    font-size: 14px;
  }
  .weapon-name {
    font-size: 20px;
  }
  .stars {
    font-size: 18px;
  }
  .stat-value {
    font-size: 20px;
  }
}

@media (max-width: 480px) {
  body {
    padding: 6px;
  }
  .game-title {
    font-size: 24px;
  }
  .card {
    padding: 16px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .login-notice {
    padding: 14px;
    font-size: 13px;
  }
  .login-notice code {
    font-size: 13px;
    padding: 4px 8px;
  }
}