/* lottery-history.css - 走势图页面完整样式（独立完整，包含所有公共样式） */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #eff6ff;
    --primary-50: #f0f5ff;
    --secondary: #3b82f6;
    --accent: #f59e0b;
    --bg: #f8fafc;
    --white: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --text-lighter: #94a3b8;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-hover: 0 4px 12px rgba(0,0,0,0.1);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", Arial, sans-serif; background: var(--bg); color: var(--text); font-size: 14px; line-height: 1.7; }
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }

/* ========== 顶部栏 ========== */
.top-bar { background: var(--primary-light); padding: 6px 12px; font-size: 12px; display: flex; justify-content: space-between; border-bottom: 1px solid var(--border); }
.top-bar a { margin: 0 6px; color: var(--text-light); }
.top-bar a:hover { color: var(--primary); }

/* ========== 头部 ========== */
.header-main { background: var(--white); padding: 10px 12px; border-bottom: 2px solid var(--primary); }
.logo-area { display: flex; align-items: center; gap: 8px; }
.logo-icon { width: 36px; height: 36px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 18px; }
.logo-text h1 { font-size: 18px; font-weight: 700; color: var(--primary); }
.logo-text p { font-size: 10px; color: var(--text-lighter); }

/* ========== 搜索框 ========== */
.search-box { background: var(--white); border-radius: 30px; margin: 10px 12px; display: flex; align-items: center; padding: 5px 12px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.search-box i { color: var(--text-lighter); margin-right: 6px; font-size: 14px; }
.search-box input { flex: 1; border: none; background: transparent; font-size: 14px; outline: none; }
.search-box button { background: var(--primary); color: #fff; border: none; padding: 6px 16px; border-radius: 25px; font-size: 13px; cursor: pointer; transition: background 0.2s; }
.search-box button:hover { background: var(--primary-dark); }

/* ========== 导航菜单 ========== */
.main-nav { background: var(--white); overflow-x: auto; white-space: nowrap; padding: 6px 12px; border-bottom: 1px solid var(--border); }
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a { color: var(--text); padding: 6px 14px; font-size: 14px; display: inline-block; border-radius: 20px; margin: 0 2px; }
.main-nav a i { margin-right: 5px; font-size: 13px; }
.main-nav a:hover { background: var(--primary-light); color: var(--primary); }
.main-nav a.active { background: var(--primary); color: #fff; }

/* ========== 面包屑 ========== */
.breadcrumb { background: var(--white); padding: 8px 12px; margin: 10px 12px; border-radius: var(--radius); font-size: 13px; box-shadow: var(--shadow); }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .separator { margin: 0 5px; color: var(--border); }

/* ========== 走势图页面特有样式 ========== */

/* 彩种导航 */
.lottery-nav { background: var(--white); margin: 0 12px 16px; padding: 12px; border-radius: var(--radius); box-shadow: var(--shadow); }
.lottery-nav-title { font-size: 13px; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.lottery-nav-title i { margin-right: 6px; }
.lottery-nav-items { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.lottery-nav-item { padding: 4px 14px; background: var(--primary-light); border-radius: 20px; font-size: 12px; color: var(--primary); transition: all 0.2s; }
.lottery-nav-item:hover { background: var(--primary); color: #fff; }
.lottery-nav-item.active { background: var(--primary); color: #fff; }

/* 统计卡片 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 0 12px 16px; }
.stat-card { background: var(--white); padding: 14px 12px; border-radius: var(--radius); text-align: center; box-shadow: var(--shadow); }
.stat-number { font-size: 22px; font-weight: bold; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-lighter); margin-top: 4px; }

/* 冷热号分析 */
.hot-cold-box { background: var(--white); margin: 0 12px 16px; padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.hot-cold-title { font-size: 14px; margin-bottom: 10px; padding-bottom: 6px; border-bottom: 1px solid var(--border); }
.hot-cold-title i { margin-right: 6px; color: var(--primary); }
.number-badge { display: inline-block; width: 34px; height: 34px; line-height: 34px; text-align: center; border-radius: 50%; margin: 3px; font-weight: bold; font-size: 13px; }
.hot-number { background: linear-gradient(135deg, #ff6b6b, #ee5a24); color: #fff; }
.cold-number { background: #e2e8f0; color: #64748b; }

/* 走势图区域 */
.trend-box { background: var(--white); margin: 0 12px 16px; padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow); }
.trend-title { font-size: 15px; margin-bottom: 12px; font-weight: 600; color: var(--primary); border-left: 3px solid var(--primary); padding-left: 10px; }
.trend-title i { margin-right: 6px; }
canvas { max-height: 350px; width: 100%; margin-bottom: 10px; }

/* 数据分析 */
.analysis-box { background: var(--white); margin: 0 12px 16px; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.analysis-header { background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%); padding: 12px 16px; }
.analysis-header h3 { font-size: 16px; color: #fff; display: flex; align-items: center; gap: 6px; }
.analysis-header h3 i { font-size: 16px; }
.info-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; padding: 16px; }
.info-card { background: var(--primary-50); border-radius: var(--radius); padding: 12px; text-align: center; }
.info-card .label { font-size: 12px; color: var(--text-light); margin-bottom: 4px; }
.info-card .value { font-size: 20px; font-weight: bold; color: var(--primary); }
.info-card .sub { font-size: 11px; color: var(--text-lighter); margin-top: 4px; }

/* 历史数据表格 */
.kjlist { background: var(--white); margin: 0 12px 16px; border-radius: var(--radius); overflow-x: auto; box-shadow: var(--shadow); }
.kjlist table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 500px; }
.kjlist th { background: var(--primary-50); padding: 10px 8px; text-align: center; font-weight: 600; color: var(--primary); border-bottom: 1px solid var(--border); }
.kjlist td { padding: 10px 8px; text-align: center; border-bottom: 1px solid var(--border); }
.kjlist tr:hover { background: var(--primary-50); }

/* 开奖号码球 */
.main-ball { display: inline-block; width: 28px; height: 28px; line-height: 28px; border-radius: 50%; margin: 2px; font-size: 12px; font-weight: bold; background: #f2f2f2; color: var(--text); border: 1px solid var(--border); }
.special-ball { display: inline-block; width: 28px; height: 28px; line-height: 28px; border-radius: 50%; margin: 2px; font-size: 12px; font-weight: bold; background: var(--primary-light); color: var(--primary); border: 1px solid var(--primary); }

/* 分页 */
.pagination { display: flex; justify-content: center; gap: 6px; margin: 20px 0; padding: 0 12px; flex-wrap: wrap; }
.pagination a, .pagination span { display: inline-block; padding: 6px 14px; border-radius: 4px; font-size: 13px; background: var(--white); color: var(--text-light); border: 1px solid var(--border); box-shadow: var(--shadow); }
.pagination a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .current { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ========== 底部 ========== */
.site-footer { background: #1a1a2e; color: #aaa; margin-top: 30px; padding: 25px 12px 15px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; justify-content: center; }
.footer-links a { font-size: 12px; color: #aaa; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { text-align: center; font-size: 11px; padding-top: 12px; border-top: 1px solid #333; }

/* ========== 返回顶部按钮 ========== */
.back-to-top { position: fixed; bottom: 20px; right: 20px; width: 40px; height: 40px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 20px; cursor: pointer; opacity: 0; visibility: hidden; transition: all 0.3s; z-index: 999; box-shadow: 0 2px 8px rgba(0,0,0,0.15); }
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ========== 移动端菜单 ========== */
.mobile-sidebar { position: fixed; top: 0; left: -260px; width: 260px; height: 100%; background: var(--white); z-index: 1003; transition: left 0.3s ease; overflow-y: auto; box-shadow: 2px 0 10px rgba(0,0,0,0.1); }
.mobile-sidebar.open { left: 0; }
.mobile-sidebar-header { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); padding: 20px 15px; color: #fff; position: relative; }
.mobile-sidebar-header h3 { font-size: 16px; margin-bottom: 4px; }
.mobile-sidebar-header p { font-size: 12px; opacity: 0.8; }
.mobile-menu-close { position: absolute; top: 15px; right: 15px; width: 28px; height: 28px; background: rgba(255,255,255,0.2); border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 14px; }
.mobile-menu-close:hover { background: rgba(255,255,255,0.3); }
.mobile-menu-list { list-style: none; padding: 0; margin: 0; }
.mobile-menu-item { border-bottom: 1px solid var(--border); }
.mobile-menu-link { display: flex; align-items: center; gap: 10px; padding: 12px 15px; color: var(--text); font-size: 14px; }
.mobile-menu-link:hover { background: var(--primary-light); color: var(--primary); }
.mobile-menu-link i:first-child { width: 24px; color: var(--primary); font-size: 16px; text-align: center; }

.mobile-menu-link-wrapper { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.mobile-menu-parent { flex: 1; display: flex; align-items: center; gap: 12px; padding: 14px 18px; color: var(--text); font-size: 14px; transition: all 0.2s; }
.mobile-menu-parent:hover { background: var(--primary-light); color: var(--primary); }
.mobile-toggle-btn { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s; flex-shrink: 0; }
.mobile-toggle-btn:hover { background: var(--primary-light); }
.mobile-toggle-btn .arrow-icon { color: var(--text-lighter); font-size: 12px; transition: transform 0.3s; }
.mobile-menu-item.open .mobile-toggle-btn .arrow-icon { transform: rotate(90deg); }
.mobile-submenu { list-style: none; padding: 0; margin: 0; background: var(--primary-light); display: none; }
.mobile-submenu .mobile-menu-link { padding-left: 52px; font-size: 13px; }
.mobile-submenu .mobile-submenu .mobile-menu-link { padding-left: 72px; }
.mobile-submenu-header { border-bottom: 1px solid var(--border); background: var(--primary-light); }
.mobile-submenu-view-all { color: var(--primary) !important; font-weight: 500; }
.mobile-submenu-view-all i { color: var(--primary); }
.mobile-submenu-view-all:hover { background: #d4f0e8 !important; }

.overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 1002; opacity: 0; visibility: hidden; transition: all 0.3s; }
.overlay.active { opacity: 1; visibility: visible; }

.menu-toggle { width: 36px; height: 36px; background: var(--primary-light); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.menu-toggle span { width: 18px; height: 2px; background: var(--primary); border-radius: 2px; transition: all 0.3s; }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.mobile-search-icon { width: 36px; height: 36px; background: var(--primary-light); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; cursor: pointer; margin-left: auto; margin-right: 8px; }
.mobile-search-icon i { color: var(--primary); font-size: 18px; }
.mobile-search-icon:hover { background: var(--primary); }
.mobile-search-icon:hover i { color: #fff; }

.mobile-search-box { position: fixed; top: 0; left: 0; right: 0; background: var(--white); z-index: 1004; padding: 12px 15px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); border-bottom: 2px solid var(--primary); animation: slideDown 0.3s ease; display: none; }
.mobile-search-form { display: flex; align-items: center; gap: 10px; background: var(--primary-light); border-radius: 30px; padding: 4px 15px; }
.mobile-search-form i { color: var(--text-lighter); }
.mobile-search-form input { flex: 1; border: none; background: transparent; padding: 8px 0; font-size: 14px; outline: none; }
.mobile-search-form button { background: var(--primary); color: #fff; border: none; padding: 6px 16px; border-radius: 25px; cursor: pointer; font-size: 13px; }
.mobile-search-close { color: var(--text-lighter); font-size: 20px; cursor: pointer; padding: 5px; }

.mobile-header { display: none; background: var(--white); padding: 10px 12px; border-bottom: 1px solid var(--border); align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 1002; }
.mobile-logo { display: flex; align-items: center; gap: 8px; }
.mobile-logo-icon { width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; }
.mobile-logo-text h2 { font-size: 16px; font-weight: 700; color: var(--primary); }
.mobile-logo-text p { font-size: 10px; color: var(--text-lighter); }

/* ========== 响应式 ========== */
@media (max-width: 768px) {
    .top-bar, .header-main, .main-nav { display: none; }
    .mobile-header { display: flex; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .main-ball, .special-ball { width: 24px; height: 24px; line-height: 24px; font-size: 11px; }
    .number-badge { width: 30px; height: 30px; line-height: 30px; font-size: 12px; }
    .info-cards { grid-template-columns: repeat(2, 1fr); padding: 12px; }
    .lottery-nav-items { gap: 6px; }
    .lottery-nav-item { font-size: 11px; padding: 3px 10px; }
    .kjlist th, .kjlist td { padding: 6px 4px; font-size: 12px; }
}

/* ========== 动画 ========== */
@keyframes slideDown {
    from { transform: translateY(-100%); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}