/* ==========================================================================
   AICAI88 Lottery Red Design System & Global Styles (V3 - Vibrant & Festive)
   ========================================================================== */

   :root {
    /* 彩票专属红火色系 */
    --primary: #D32F2F;      /* 经典红 - 主色调 */
    --primary-hover: #B71C1C;
    --primary-light: #FFEBEE; /* 淡红底色 */
    
    --success: #2E7D32; /* 深翠绿 */
    --warning: #FF8F00; /* 亮橙/金黄 */
    --danger:  #D32F2F; /* 报警红 */
    
    --bg-base: #FFFFFF; /* 彻底去除灰色底色，让页面干净敞亮 */
    --surface: #FFFFFF; /* 卡片背景色 */
    
    --text-strong: #212121; /* 近纯黑 */
    --text-main:   #424242; /* 深灰正文 */
    --text-muted:  #757575; /* 辅助文字 */
    
    --border-light: #EEEEEE; 
    --border-main:  #E0E0E0; 
    
    /* 号码形态强对比色 (不再素淡) */
    --color-leopard-bg: #D32F2F; /* 豹子背景 - 大红 */
    --color-leopard-fg: #FFFFFF; /* 豹子文字 - 纯白 */
    
    --color-group3-bg: #1976D2;  /* 组三背景 - 亮蓝 */
    --color-group3-fg: #FFFFFF;  /* 组三文字 - 纯白 */
    
    --color-group6: #212121;     /* 组六 - 粗黑 */
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 16px rgba(211, 47, 47, 0.15); /* 红色微微泛光阴影 */
    
    --radius-md: 6px;
    --radius-lg: 10px;
    --radius-pill: 9999px;
    
    --transition: all 0.2s ease-in-out;
}

/* ==========================================================================
   全局重置与排版
   ========================================================================== */
*, *::before, *::after { box-sizing: border-box; }

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-strong);
    font-weight: 700;
    margin-top: 0;
    letter-spacing: 0.5px;
}

/* 主标题增加一点彩票的喜庆感 */
h1 {
    color: var(--primary);
    text-shadow: 1px 1px 0 rgba(0,0,0,0.05);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ==========================================================================
   主容器与顶部导航 (红底白字)
   ========================================================================== */
.main-nav {
    background-color: var(--primary); /* 顶部红条，立刻就有彩票站的感觉 */
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    padding: 12px 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.main-nav-links {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.85); /* 半透明白 */
    font-weight: bold;
    padding: 8px 16px;
    border-radius: var(--radius-pill);
    font-size: 1rem;
    text-decoration: none;
}

.main-nav a:hover {
    background-color: rgba(255, 255, 255, 0.15);
    color: #FFF;
}

.main-nav a.active {
    background-color: #FFF;
    color: var(--primary);
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.container {
    max-width: 1280px;
    margin: 20px auto;
    padding: 0 15px;
}

/* ==========================================================================
   卡片设计
   ========================================================================== */
.card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 20px;
    margin-bottom: 24px;
    border: 1px solid var(--primary-light); /* 边框带点极微弱的红 */
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: #ffcdd2;
}

/* ==========================================================================
   响应式数据表格 (红白主题)
   ========================================================================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border-radius: var(--radius-md);
    border: 1px solid #ffcdd2; /* 表格整体边框红韵 */
}

table {
    width: 100%;
    border-collapse: collapse; /* 不再使用 separate，让线更实 */
    min-width: 600px; 
}

th, td {
    padding: 10px 12px;
    text-align: center;
    border: 1px solid #ffebee;
    font-size: 0.95rem;
}

th {
    background-color: #ffebee; /* 表头粉红 */
    color: var(--primary);
    font-weight: bold;
    position: sticky;
    top: 0;
    z-index: 10;
}

tbody tr {
    transition: var(--transition);
    background-color: var(--surface);
}

tbody tr:hover {
    background-color: #fff8e1; /* 鼠标悬停变极淡的明黄，强提示 */
}

/* 斑马线 */
tbody tr:nth-child(even) { background-color: #fafafa; }
tbody tr:nth-child(even):hover { background-color: #fff8e1; }

/* 遍漏警示行 (例如命中) - 只给普通单元格染色，不覆盖号码单元格 */
.daily-linked-hit td {
    background-color: #ffebee !important; 
    color: var(--primary);
    font-weight: bold;
}
/* 命中行里的号码单元格，强制保持自身的背景色，防止累叠变成镜空白字 */
.daily-linked-hit td.haoma.type-group3 {
    background-color: var(--color-group3-bg) !important;
    color: var(--color-group3-fg) !important;
}
.daily-linked-hit td.haoma.type-leopard {
    background-color: var(--color-leopard-bg) !important;
    color: var(--color-leopard-fg) !important;
}
/* 命中行里的组六号码，保持黑色，不要被红色随行覆盖 */
.daily-linked-hit td.haoma {
    color: var(--color-group6) !important;
}

/* 不同类型的命中标识列，命中时显绿色，防止整行红色択盖 */
.daily-linked-hit td.hit {
    color: var(--success) !important;
    background-color: #f1f8f1 !important;
}

/* 综合遗漏高亮逻辑恢复 */
.diff-low {
    color: #fff !important;
    background-color: #D32F2F !important;
    font-weight: bold;
    animation: pulse 2s infinite;
}

.diff-medium {
    color: #fff !important;
    background-color: #F57C00 !important;
    font-weight: bold;
}

/* ==========================================================================
   形态高亮体系 (G3, G6, 豹子) - 极其显眼
   ========================================================================== */
.haoma {
    font-weight: bold;
    font-size: 0.95rem;  /* 咎普通 td 一致，解决表头不对齐 */
    letter-spacing: 1px; /* 减小间距，防止列被撑宽 */
    font-family: Arial, monospace;
}

/* 默认号码 (组六) */
.haoma {
    color: var(--color-group6);
}

/* 组三强对比 (蓝底白字) */
.haoma.type-group3 {
    color: var(--color-group3-fg);
    background-color: var(--color-group3-bg);
    padding: 3px 8px;
    border-radius: 4px;
    box-shadow: inset 0 -2px 0 rgba(0,0,0,0.15);
}

/* 豹子强对比 (红底白字 + 闪烁) */
.haoma.type-leopard {
    color: var(--color-leopard-fg);
    background-color: var(--color-leopard-bg);
    padding: 3px 8px;
    border-radius: 4px;
    box-shadow: inset 0 -2px 0 rgba(0,0,0,0.2);
    animation: alert-pulse 1.5s infinite;
}

/* 错误/特殊结果标红 */
.error, .negative {
    color: #D32F2F !important;
    font-weight: bold;
}
.hit, .positive {
    color: #2E7D32 !important;
    font-weight: bold;
}

/* 命中列内容自动换行，防止“直选大大大”这种长字将列擐宽 */
.daily-linked-hit td.hit {
    white-space: normal;
    word-break: break-all;
    max-width: 60px;
    font-size: 0.8rem;
}

/* ==========================================================================
   走势图分类导航 (两级联动 / 药丸按钮)
   ========================================================================== */
.trends-layout {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* 大类侧边栏 */
.sidebar-nav {
    flex: 0 0 180px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: #FAFAFA;
    padding: 10px;
    border-radius: var(--radius-md);
    border: 1px solid #EEE;
}

.sidebar-nav a {
    padding: 12px 16px;
    color: var(--text-strong);
    border-radius: 4px;
    font-weight: bold;
    border-left: 4px solid transparent;
}

.sidebar-nav a:hover {
    background-color: #EEEEEE;
}

.sidebar-nav a.active {
    background-color: var(--primary-light);
    color: var(--primary);
    border-left-color: var(--primary);
}

/* 子策略药丸导航区 */
.strategy-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
    padding: 15px;
    background: #FAFAFA;
    border-radius: var(--radius-md);
    border: 1px solid #EEE;
}

.strategy-nav .group-title {
    width: 100%;
    font-size: 0.9rem;
    color: var(--primary);
    font-weight: bold;
    margin-top: 5px;
    margin-bottom: 5px;
    border-bottom: 1px dashed #CCC;
    padding-bottom: 4px;
}

.strategy-nav a {
    padding: 6px 16px;
    background-color: #FFF;
    color: var(--text-main);
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: bold;
    border: 1px solid #CCC;
}

.strategy-nav a:hover {
    background-color: #F5F5F5;
    border-color: #999;
}

.strategy-nav a.active {
    background-color: var(--primary);
    color: #FFF;
    border-color: var(--primary);
    box-shadow: 0 2px 4px rgba(211,47,47,0.3);
}

.main-content {
    flex: 1;
    min-width: 0; 
}

/* ==========================================================================
   分页与按钮组件 (Pagination & Buttons)
   ========================================================================== */
.controls {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 20px;
    padding: 15px;
    background: #FAFAFA;
    border-radius: var(--radius-md);
    border: 1px solid #EEE;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 18px;
    background-color: #FFF;
    color: var(--text-strong);
    border: 1px solid #BBB;
    border-radius: 4px;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn:hover:not(.disabled) {
    background-color: #F5F5F5;
    border-color: #888;
}

.btn.active {
    background-color: var(--primary);
    color: #FFF;
    border-color: var(--primary);
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background-color: #EEE;
}

.page-jump-form {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto; 
    font-size: 0.95rem;
    font-weight: bold;
}

.page-jump-input {
    width: 60px;
    padding: 6px;
    border: 1px solid #999;
    border-radius: 4px;
    text-align: center;
    outline: none;
    font-weight: bold;
}

.page-jump-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px var(--primary-light);
}

/* 回到顶部悬浮按钮 (红底白箭头) */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    border: 2px solid #FFF;
    z-index: 1000;
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

#back-to-top:hover {
    background-color: var(--primary-hover);
    transform: translateY(-5px);
}

/* ==========================================================================
   移动端响应式调整
   ========================================================================== */
@media (max-width: 768px) {
    /* 强行控制整个页面的宽度，防止任何子元素撑破屏幕产生左右滑动 */
    body, html { width: 100%; max-width: 100vw; overflow-x: hidden; }
    .container { padding: 0 10px; overflow-x: hidden; width: 100%; box-sizing: border-box; }

    .trends-layout { flex-direction: column; }
    
    /* 大板块导航：手机端变为多行并列，去除横向滑动 */
    .sidebar-nav {
        flex: none; 
        width: 100%; 
        flex-direction: row; 
        flex-wrap: wrap; 
        overflow-x: visible; 
        padding: 10px; 
        white-space: normal; 
        border-left: none; 
        border-bottom: 2px solid var(--primary);
        gap: 8px;
        justify-content: center;
    }
    .sidebar-nav a { 
        border-left: none; 
        border-bottom: 3px solid transparent; 
        border-radius: 4px; 
        flex: 1 1 calc(33% - 10px); 
        text-align: center;
        padding: 8px 4px;
        font-size: 0.9rem;
    }
    .sidebar-nav a.active { 
        border-color: var(--primary); 
        background: var(--primary-light); 
    }

    /* 子板块导航（药丸按钮）优化，防止单个按钮文字过长撑破屏幕 */
    .strategy-nav {
        padding: 10px;
        gap: 6px;
    }
    .strategy-nav a {
        padding: 6px 8px;
        font-size: 0.85rem;
        white-space: normal; /* 允许按钮内的长文字换行 */
        word-break: break-all;
        flex: 1 1 auto;
        text-align: center;
    }
    
    /* 表格自适应逻辑：<=8列自然缩放排下，>8列再滑动 */
    table {
        min-width: 0 !important; /* 解除600px硬性限制 */
    }
    th, td {
        padding: 6px 3px; /* 极限压缩单元格内边距 */
        font-size: 0.8rem; /* 缩小字号 */
        white-space: nowrap; /* 核心：让文字不换行，如果列少自然填满，列多自动产生滑动 */
    }
    .haoma {
        font-size: 0.9rem; /* 核心号码字号调小 */
        letter-spacing: 0px; /* 去除间距 */
    }
    /* 彻底消除多重边框（三个框）并防止卡片撑破屏幕 */
    .card {
        padding: 5px;
        border: none;
        box-shadow: none;
        margin-bottom: 10px;
        width: 100%;
        min-width: 0;
        box-sizing: border-box;
    }
    
    .table-responsive {
        border-radius: 4px;
        border: none; /* 移除外层红色边框 */
        width: 100%;
        max-width: 100vw;
        min-width: 0;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .controls { flex-direction: column; align-items: stretch; }
    .page-jump-form { margin-left: 0; justify-content: center; margin-top: 10px; width: 100%; }
    .btn { width: 100%; }
}

/* ==========================================================================
   微动画定义
   ========================================================================== */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

@keyframes alert-pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(211, 47, 47, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(211, 47, 47, 0); }
}

/* ==========================================================================
   工具页特定样式修复 (缩水与计划生成器)
   ========================================================================== */
.tool-grid { display: grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 1024px) { .tool-grid { grid-template-columns: 1fr 350px; gap: 20px; } }

.condition-group { border: 1px solid var(--border-main); border-radius: 8px; margin-bottom: 20px; overflow: hidden; background: #FFF; }
.condition-group h3 { font-size: 1rem; padding: 12px 15px; margin: 0; background-color: var(--primary-light); color: var(--primary); border-bottom: 1px solid var(--border-main); }
.condition-body { padding: 15px; display: flex; flex-wrap: wrap; gap: 10px; }

.btn-toggle { padding: 6px 12px; border: 1px solid #CCC; border-radius: 4px; background-color: #FFF; color: var(--text-main); cursor: pointer; transition: var(--transition); font-size: 0.9rem; font-weight: bold; }
.btn-toggle:hover { border-color: #999; background-color: #F5F5F5; }
.btn-toggle.active { background-color: var(--primary); color: white; border-color: var(--primary); }

.result-panel { border: 2px solid var(--primary); border-radius: 8px; padding: 20px; position: sticky; top: 80px; background: #FFF; box-shadow: 0 4px 12px rgba(211,47,47,0.1); }
.result-panel h3 { color: var(--primary); border-bottom: 2px solid var(--primary-light); padding-bottom: 10px; margin-bottom: 15px; }

#result-textarea { width: 100%; height: 250px; padding: 15px; border-radius: 6px; border: 1px solid #CCC; font-family: Arial, monospace; font-size: 1.1rem; background-color: #FAFAFA; color: var(--text-strong); resize: vertical; margin-bottom: 15px; }
#btn-start-shrink { width: 100%; padding: 14px; font-size: 1.2rem; font-weight: bold; background-color: #2E7D32; color: white; border: none; border-radius: 6px; cursor: pointer; margin-bottom: 15px; transition: var(--transition); box-shadow: 0 4px 6px rgba(46,125,50,0.3); }
#btn-start-shrink:hover { background-color: #1B5E20; transform: translateY(-2px); }

.result-buttons { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.result-buttons button { padding: 12px; font-size: 1rem; color: white; border: none; border-radius: 6px; cursor: pointer; font-weight: bold; transition: var(--transition); }
#btn-group-to-direct { background-color: var(--warning); color: #000; }
#btn-copy-result { background-color: var(--primary); }

/* 计划生成器白底红字增强 */
.plan-info { background-color: #FFF3E0; border-left: 6px solid #FF8F00; margin-bottom: 20px; padding: 20px; border-radius: 6px; border: 1px solid #FFE0B2; }
.plan-info h3 { margin: 0; color: #E65100; font-size: 1.2rem; }
.tabs { display: flex; border-bottom: 2px solid #E0E0E0; margin-bottom: 20px; background: #FFF; border-radius: 6px 6px 0 0; }
.tab { padding: 12px 20px; cursor: pointer; background-color: #FAFAFA; border: 1px solid #E0E0E0; border-bottom: none; font-size: 1.05rem; font-weight: bold; color: var(--text-muted); text-align: center; margin-right: 5px; border-radius: 6px 6px 0 0; transition: var(--transition); }
.tab:hover { background-color: #EEE; }
.tab.active { background-color: var(--primary); color: #FFF; border-color: var(--primary); }

.odds-input-group { padding: 20px; background-color: #FAFAFA; border-radius: 8px; border: 1px solid #E0E0E0; }
.odds-input { display: flex; flex-direction: column; margin-bottom: 15px; }
.odds-input label { font-weight: bold; margin-bottom: 8px; font-size: 0.95rem; color: var(--text-strong); }
.odds-input input { padding: 10px; font-size: 1.05rem; border: 1px solid #CCC; border-radius: 4px; width: 100%; background-color: #FFF; color: var(--text-strong); font-weight: bold; }
.odds-input input:focus { border-color: var(--primary); outline: 2px solid var(--primary-light); }

/* 暗黑模式切换按钮隐藏或弱化(因为彩票不需要暗色) */
.theme-toggle { display: none; }