/* Flatpickr日期选择器样式 - 从application-management.js分离出来
 * 专门用于PhD申请系统中的日期选择器样式
 */

/* 统一日期选择器样式 - 确保宽度足够显示7列 */
.flatpickr-calendar {
    border-radius: 8px !important;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.2) !important;
    border: 3px solid #93c5fd !important;
    z-index: 9999 !important;
    min-width: 320px !important; /* 确保最小宽度能完整显示7列 */
    max-width: 410px !important;
    width: 100% !important;
    margin: 0 !important;
    background-color: white !important;
    opacity: 1 !important;
    padding: 4px !important;
    position: absolute !important;
    transform: none !important;
    left: 0 !important;
    top: auto !important;
    bottom: 100% !important;
    margin-bottom: 5px !important;
    box-sizing: border-box !important;
    word-break: keep-all;
    table-layout: fixed;
    overflow: visible !important; /* 确保内容不被截断 */
}

/* 修复Flatpickr可能自动添加的top类 */
.flatpickr-calendar.top {
    top: auto !important;
    bottom: 100% !important;
    margin-bottom: 5px !important;
}

/* 日期选择器的触发区域样式优化 */
.flatpickr-wrapper {
    position: relative !important;
    display: inline-block !important;
    width: 100% !important;
    max-width: 370px !important;
}

/* 确保输入框容器有相对定位 */
#application-date {
    position: relative !important;
}

/* 优化移动端和响应式设计 */
@media (max-width: 768px) {
    .flatpickr-calendar {
        max-width: 100vw !important;
        width: 100% !important;
        left: 0 !important;
        right: 0 !important;
        margin: 0 10px !important;
        min-width: 280px !important; /* 移动端最小宽度 */
    }
    
    .flatpickr-wrapper {
        max-width: 100% !important;
    }
    
    /* 移动端日期单元格优化 - 强制重新加载 */
    .flatpickr-day {
        height: 30px !important;
        font-size: 0.85rem !important;
    }
}

/* 确保在触摸设备上日期选择器不会遮挡输入框 */
@media (hover: none) and (pointer: coarse) {
    .flatpickr-calendar {
        bottom: 110% !important;
    }
}

/* 确保日历内部所有元素都有白色背景 */
.flatpickr-innerContainer,
.flatpickr-rContainer,
.flatpickr-dayContainer,
.flatpickr-weekdayContainer,
.flatpickr-months,
.flatpickr-month,
.flatpickr-header {
    background-color: white !important;
    opacity: 1 !important;
}

/* 确保日期单元格有合适的背景色 - 强制重新加载 */
.flatpickr-day {
    background-color: transparent !important;
    opacity: 1 !important;
    font-size: 0.9rem !important;
}

/* 优化月份导航栏 - 美观协调的格式 */
.flatpickr-current-month {
    font-size: 0.9rem !important; /* 增大字体大小，使其更易读 */
    font-weight: 500;
    padding: 0.2rem 0 !important;
    white-space: nowrap;
    overflow: visible !important;
    text-align: center;
    min-width: 120px;
}

/* 优化月份下拉选择器样式 - 美观协调的设计 */
.flatpickr-monthDropdown-months select {
    font-size: 0.9rem !important; /* 增大字体大小，使其更易读 */
    padding: 0.15rem 0.35rem !important; /* 适当增加内边距 */
    min-width: 0;
    text-align: center;
    vertical-align: middle; /* 确保垂直居中对齐 */
}

/* 确保月份下拉选择器中的月份文本居中显示 */
.flatpickr-monthDropdown-months select {
    text-align: center !important;
    text-align-last: center !important; /* 兼容Firefox */
}

/* 确保月份和年份在一行显示 - 适当的间距 */
.flatpickr-current-month .flatpickr-monthDropdown-months,
.flatpickr-current-month .numInputWrapper {
    display: inline-block !important;
    margin: 0 0.25rem !important;
    vertical-align: middle;
}

/* 优化年份显示和选择器样式 - 减少宽度以避免压缩月份选择器空间 */
.flatpickr-current-month .numInputWrapper {
    font-size: 0.9rem !important;
    margin-top: -2px !important;
    vertical-align: middle !important;
    position: relative !important;
    display: inline-block !important;
    line-height: 2.2rem !important; /* 调整行高以匹配新的输入框高度 */
    width: 5rem !important;
    overflow: visible !important;
    z-index: 10 !important;
}

/* 年份显示优化 - 确保完整显示且美观 */
.flatpickr-current-month .numInputWrapper input {
    max-width: 5rem !important;
    min-width: 5rem !important;
    width: 5rem !important;
    font-weight: bold !important;
    font-variant-numeric: tabular-nums !important;
    padding-right: 2rem !important;
    padding-left: 0.5rem !important;
    height: 2.2rem !important;
    line-height: 2.2rem !important;
    position: relative !important;
    margin-top: 0 !important;
    text-align: left !important;
    z-index: 1 !important;
    background-color: white !important;
    border: none !important; /* 移除边框 */
    border-radius: 4px !important;
    box-shadow: none !important;
    pointer-events: none !important; /* 完全禁用输入交互 */
    user-select: none !important; /* 禁止文本选择 */
    outline: none !important; /* 移除焦点轮廓 */
    cursor: default !important; /* 鼠标指针显示为默认 */
}

/* 隐藏年份输入框的所有交互元素 */
.flatpickr-current-month .numInputWrapper input:focus,
.flatpickr-current-month .numInputWrapper input:active {
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
}

/* 增强年份数字的可读性 */
.flatpickr-current-month .numInputWrapper input {
    -webkit-appearance: none !important;
    -moz-appearance: none !important;
    appearance: none !important;
}

/* 调整月份和年份之间的间距 */
.flatpickr-current-month .flatpickr-monthDropdown-months {
    margin-right: 0.3rem !important;
    position: relative !important;
    z-index: 10 !important;
}

/* 确保整个月份/年份选择区域有足够空间 */
.flatpickr-current-month {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    min-width: 150px !important;
    padding: 0.3rem 0 !important;
    overflow: visible !important;
}

/* 保留默认的年份调整按钮容器，但隐藏其内部元素 */
.flatpickr-current-month .numInputWrapper span {
    display: none !important;
}

/* 年份上调整按钮 - 独立按钮 */
.flatpickr-current-month .numInputWrapper::before {
    content: '' !important;
    position: absolute !important;
    right: 0.5rem !important;
    top: 0.3rem !important;
    cursor: pointer !important;
    display: block !important;
    width: 0.5rem !important;
    height: 0.4rem !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M6 0L0 8h12L6 0z' fill='%23333'/%3E%3C/svg%3E") !important;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    z-index: 100 !important;
    opacity: 0.8 !important;
    transition: opacity 0.2s ease !important;
}

/* 年份下调整按钮 - 独立按钮 */
.flatpickr-current-month .numInputWrapper::after {
    content: '' !important;
    position: absolute !important;
    right: 0.5rem !important;
    bottom: 0.5rem !important;
    cursor: pointer !important;
    display: block !important;
    width: 0.5rem !important;
    height: 0.4rem !important;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M0 0h12l-6 8z' fill='%23333'/%3E%3C/svg%3E") !important;
    background-size: contain !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    z-index: 100 !important;
    opacity: 0.8 !important;
    transition: opacity 0.2s ease !important;
}

/* 悬停效果 */
.flatpickr-current-month .numInputWrapper:hover::before,
.flatpickr-current-month .numInputWrapper:hover::after {
    opacity: 1 !important;
}

/* 确保日历高度自适应，不显示多余的空白行 */
.flatpickr-calendar {
    height: auto !important;
    min-height: auto !important;
}

.flatpickr-innerContainer {
    min-height: auto !important;
}

.dayContainer {
    height: auto !important;
    min-height: auto !important;
}

/* 无效输入样式 */
.flatpickr-input.invalid-date {
    border-color: #ef4444;
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.2);
}

/* 日期单元格优化 - 确保7列完全显示 */
.flatpickr-day {
    border-radius: 5px !important;
    transition: all 0.2s ease !important;
    padding: 0 !important;
    width: 100% !important;
    height: auto !important;
    min-width: 32px !important;
    min-height: 32px !important;
    margin: 0 !important;
    border-radius: 5px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    font-size: 0.9rem !important;
}

/* 确保日期选择器容器能够完全容纳7列 */
.flatpickr-dayContainer {
    display: flex !important;
    flex-direction: column;
    width: 100%;
    overflow: visible !important;
}

/* 确保每个星期行都能完整显示7列，使用网格布局严格对齐 */
.flatpickr-week {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr) !important;
    width: 100%;
    gap: 0 !important;
}

/* 修复日期选择器内部元素尺寸计算 */
.flatpickr-innerContainer,
.flatpickr-rContainer {
    width: 100% !important;
    box-sizing: border-box !important;
}

/* 优化月份名称显示 - 确保最宽月份名称完整显示 */
.flatpickr-monthDropdown-months {
    max-width: 6rem;
}

.flatpickr-monthDropdown-months select {
    text-overflow: ellipsis;
    overflow: visible;
    white-space: nowrap;
}

/* 确保日期选择器头部布局紧凑且所有内容可见 */
.flatpickr-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 0.2rem 0.4rem !important;
    position: relative;
    z-index: 10;
}

/* 提高月份下拉选择器的层级，确保它显示在星期标题之上 */
.flatpickr-monthDropdown-months select {
    position: relative;
    z-index: 1000 !important;
}

/* 确保日期选择器容器的层级足够高 */
.flatpickr-calendar {
    z-index: 9999 !important;
}

/* 确保星期标题的层级低于下拉选择器 */
.flatpickr-weekdayContainer {
    position: relative;
    z-index: 1;
}

/* 确保所有内容在各种场景下都能正确显示 */
.flatpickr-calendar {
    box-sizing: border-box !important;
    word-break: keep-all;
}

/* 优化月份导航按钮 - 减小大小和调整位置释放更多空间 */
.flatpickr-next-month,
.flatpickr-prev-month {
    min-width: 25px !important; /* 减小按钮大小 */
    height: 25px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 !important;
}

/* 优化导航箭头图标 - 减小图标大小 */
.flatpickr-next-month svg,
.flatpickr-prev-month svg {
    width: 10px !important; /* 减小图标大小 */
    height: 10px !important;
    fill: #333 !important;
}

/* 优化星期标题 - 与日期单元格严格对齐 */
.flatpickr-weekday {
    text-align: center !important;
    padding: 0.2rem 0 !important;
    font-size: 0.8rem !important; /* 增加字体大小，使其看起来更协调 */
    font-weight: 500 !important;
    font-variant: normal;
    width: 100% !important;
    min-width: 0 !important;
    box-sizing: border-box !important;
    height: 28px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

/* 确保星期标题行能够完整显示7个单字符标题，使用网格布局与日期行严格对齐 */
.flatpickr-weekdayContainer {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr) !important;
    width: 100%;
    padding: 0 !important;
    gap: 0 !important;
    margin: 0 !important;
}

/* 默认悬停效果 */
.flatpickr-day:hover {
    background: #e0e7ff !important;
    transform: translateY(-1px);
}

/* 今天日期样式 */
.flatpickr-day.today {
    border-color: #3b82f6 !important;
    color: #3b82f6 !important;
    font-weight: 500;
}

/* 输入框样式优化 */
#application-date {
    cursor: pointer;
    transition: all 0.2s ease;
    background-color: white;
}

#application-date:hover {
    border-color: #3b82f6 !important;
    background-color: #f9fafb;
}

#application-date:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

/* 增强只读状态的视觉提示 */
#application-date {
    cursor: pointer !important;
    background-color: white !important;
}

#application-date[readonly] {
    background-color: white !important;
}

/* 日期选择器触发区域的视觉提示 */
.flatpickr-wrapper {
    position: relative;
}

.flatpickr-wrapper:hover {
    transform: none; /* 移除可能影响日期选择器定位的变换效果 */
}

/* 统一所有选中日期的样式定义 - 最高优先级 */
.flatpickr-calendar.phd-app-datepicker .flatpickr-day.selected,
.flatpickr-calendar.phd-app-datepicker .flatpickr-day.selected:focus,
.flatpickr-calendar.phd-app-datepicker .flatpickr-day.selected:active {
    background: #2563eb !important; /* 使用更深的蓝色背景增强对比度 */
    color: white !important; /* 使用白色文字确保清晰可见 */
    border-color: #1d4ed8 !important;
    border-width: 2px !important;
    width: 100% !important;
    height: auto !important;
    min-width: 32px !important;
    min-height: 32px !important;
    padding: 0 !important;
    margin: 0 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    box-sizing: border-box !important;
    border-radius: 5px !important;
    font-weight: 600 !important;
    font-size: 1rem !important;
    z-index: 9999 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    transition: all 0.2s ease !important;
}

/* 悬停在选中日期上的效果 */
.flatpickr-calendar.phd-app-datepicker .flatpickr-day.selected:hover {
    background: #1d4ed8 !important;
    transform: translateY(-1px) !important;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.15) !important;
}

/* 同时选中的今天日期样式 */
.flatpickr-calendar.phd-app-datepicker .flatpickr-day.selected.today {
    background: #2563eb !important;
    color: white !important;
    border-color: #f59e0b !important; /* 使用金色边框突出今天选中的日期 */
    border-width: 2px !important;
    font-weight: 700 !important;
}

/* 确保没有多个日期被同时选中的样式 */
.flatpickr-calendar.phd-app-datepicker .flatpickr-day:not(.selected) {
    background: transparent !important;
    color: #374151 !important;
}