/* ==================== 易算AI - 高级日期时间选择器 (ys-datetime-picker) ==================== */
/* 版本: 3.0.0 | 用途: 高仿 Ant Design 风格，主色 #1e9fff，统一三档响应式断点 */
/* 依赖: 01-design-tokens.css, forms.css                                                  */
/* 命名规范: BEM (ys-datepicker__ / ys-timepicker__ 前缀，避免与 Layui 冲突)                 */
/* 兼容性: Chrome / Firefox / Safari / Edge 最新版 + IE11（核心样式优雅降级）                */

/* ==================== 局部令牌（仅作用于当前组件，避免污染全局） ==================== */
.ys-datepicker,
.ys-datepicker-overlay {
    --dp-primary: #1e9fff;
    --dp-primary-hover: #4db3ff;
    --dp-primary-active: #0084e8;
    --dp-primary-light: #e6f4ff;
    --dp-text-primary: rgba(0, 0, 0, 0.88);
    --dp-text-secondary: rgba(0, 0, 0, 0.65);
    --dp-text-tertiary: rgba(0, 0, 0, 0.45);
    --dp-text-disabled: rgba(0, 0, 0, 0.25);
    --dp-bg: #ffffff;
    --dp-bg-hover: rgba(0, 0, 0, 0.04);
    --dp-border: #f0f0f0;
    --dp-radius-sm: 4px;
    --dp-radius-md: 6px;
    --dp-radius-lg: 8px;
    --dp-shadow: 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
    --dp-transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --dp-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
}

/* ==================== 遮罩层（点击外部关闭） ==================== */
.ys-datepicker-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    opacity: 0;
    background: transparent;
    transition: opacity var(--dp-transition);
}

.ys-datepicker-overlay--visible {
    display: block;
    opacity: 1;
}

/* ==================== 弹出面板根容器 ==================== */
.ys-datepicker {
    position: fixed;
    z-index: 10000;
    background: var(--dp-bg);
    border-radius: var(--dp-radius-lg);
    box-shadow: var(--dp-shadow);
    width: 288px;
    max-width: calc(100vw - 32px);
    font-family: var(--dp-font);
    color: var(--dp-text-primary);
    user-select: none;
    display: none;
    overflow: hidden;
    transform: translateY(-8px) scale(0.98);
    transform-origin: top left;
    opacity: 0;
    transition: transform var(--dp-transition), opacity var(--dp-transition);
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.ys-datepicker *,
.ys-datepicker *::before,
.ys-datepicker *::after {
    box-sizing: border-box;
}

.ys-datepicker--visible {
    display: block;
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* ==================== 头部导航栏 ==================== */
.ys-datepicker__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--dp-border);
    line-height: 1.5;
}

.ys-datepicker__header-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--dp-text-tertiary);
    border-radius: var(--dp-radius-sm);
    cursor: pointer;
    font: inherit;
    font-size: 20px;
    font-weight: 600;
    line-height: 1;
    padding: 0;
    transition: color var(--dp-transition), background-color var(--dp-transition), transform var(--dp-transition);
    -webkit-tap-highlight-color: transparent;
}

.ys-datepicker__header-btn:hover {
    color: var(--dp-text-primary);
    background: var(--dp-bg-hover);
}

.ys-datepicker__header-btn:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 1px;
}

.ys-datepicker__header-btn:active {
    transform: scale(0.92);
}

.ys-datepicker__header-title {
    flex: 1;
    text-align: center;
    font-size: 14px;
    font-weight: 500;
    color: var(--dp-text-primary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--dp-radius-sm);
    transition: color var(--dp-transition);
}

.ys-datepicker__header-title:hover {
    color: var(--dp-primary);
}

.ys-datepicker__header-title:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 1px;
}

/* ==================== 主体 ==================== */
.ys-datepicker__body {
    padding: 0;
}

/* ---------- 星期标题行 ---------- */
.ys-datepicker__weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    padding: 4px 8px 0;
}

.ys-datepicker__weekday {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 400;
    color: var(--dp-text-primary);
    height: 30px;
    width: 100%;
}

/* ---------- 日期网格 ---------- */
.ys-datepicker__days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
    padding: 4px 8px 8px;
}

.ys-datepicker__day {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 32px;
    width: 100%;
    margin: 2px 0;
    font-size: 13px;
    color: var(--dp-text-primary);
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    border-radius: var(--dp-radius-sm);
    font-weight: 400;
    text-align: center;
    transition: background-color var(--dp-transition), color var(--dp-transition), border-color var(--dp-transition);
    -webkit-tap-highlight-color: transparent;
}

.ys-datepicker__day:hover:not(.ys-datepicker__day--disabled):not(.ys-datepicker__day--empty):not(.ys-datepicker__day--other-month):not(.ys-datepicker__day--selected) {
    background: var(--dp-bg-hover);
}

.ys-datepicker__day:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: -2px;
}

/* 今日：仅描边 */
.ys-datepicker__day--today {
    border-color: var(--dp-primary);
    color: var(--dp-primary);
    font-weight: 500;
}

/* 选中：实色填充 */
.ys-datepicker__day--selected {
    background: var(--dp-primary);
    color: #ffffff;
    border-color: var(--dp-primary);
    font-weight: 500;
}

.ys-datepicker__day--selected:hover {
    background: var(--dp-primary-hover);
    color: #ffffff;
}

.ys-datepicker__day--other-month {
    color: var(--dp-text-disabled);
    cursor: default;
}

.ys-datepicker__day--disabled {
    color: var(--dp-text-disabled);
    background: rgba(0, 0, 0, 0.02);
    cursor: not-allowed;
    pointer-events: none;
}

.ys-datepicker__day--empty {
    cursor: default;
    pointer-events: none;
}

/* ==================== 月份/年份面板 ==================== */
.ys-datepicker__months,
.ys-datepicker__years {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    padding: 12px 8px;
}

.ys-datepicker__month,
.ys-datepicker__year {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    width: 100%;
    font-size: 13px;
    color: var(--dp-text-primary);
    cursor: pointer;
    border: 1px solid transparent;
    background: transparent;
    border-radius: var(--dp-radius-sm);
    font-weight: 400;
    text-align: center;
    transition: background-color var(--dp-transition), color var(--dp-transition), border-color var(--dp-transition);
    -webkit-tap-highlight-color: transparent;
}

.ys-datepicker__month:hover,
.ys-datepicker__year:hover {
    background: var(--dp-bg-hover);
}

.ys-datepicker__month:focus-visible,
.ys-datepicker__year:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: -2px;
}

.ys-datepicker__month--selected,
.ys-datepicker__year--selected {
    background: var(--dp-primary);
    color: #ffffff;
    border-color: var(--dp-primary);
    font-weight: 500;
}

.ys-datepicker__month--selected:hover,
.ys-datepicker__year--selected:hover {
    background: var(--dp-primary-hover);
    color: #ffffff;
}

/* ==================== 底部操作区 ==================== */
.ys-datepicker__footer {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-top: 1px solid var(--dp-border);
    background: var(--dp-bg);
    line-height: 1.5;
}

.ys-datepicker__today-btn {
    padding: 4px 16px;
    font: inherit;
    font-size: 13px;
    background: transparent;
    border: 1px solid transparent;
    color: var(--dp-primary);
    cursor: pointer;
    border-radius: var(--dp-radius-sm);
    transition: color var(--dp-transition), background-color var(--dp-transition);
    font-weight: 400;
}

.ys-datepicker__today-btn:hover {
    color: var(--dp-primary-hover);
    background: var(--dp-primary-light);
}

.ys-datepicker__today-btn:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 1px;
}

/* ==================== 时间面板 ==================== */
.ys-datepicker__time-columns {
    display: flex;
    padding: 0;
    gap: 0;
    height: 224px;
    background: var(--dp-bg);
}

.ys-datepicker__time-column {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.ys-datepicker__time-column::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 1px;
    background: var(--dp-border);
}

.ys-datepicker__time-column:last-child::after {
    display: none;
}

.ys-datepicker__time-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 0 188px;
    /* 底部留白让任意值可滚到顶部 */
    background: var(--dp-bg);
    scrollbar-width: thin;
    scrollbar-color: #d9d9d9 transparent;
}

.ys-datepicker__time-list::-webkit-scrollbar {
    width: 6px;
}

.ys-datepicker__time-list::-webkit-scrollbar-track {
    background: transparent;
}

.ys-datepicker__time-list::-webkit-scrollbar-thumb {
    background: #d9d9d9;
    border-radius: 3px;
}

.ys-datepicker__time-list::-webkit-scrollbar-thumb:hover {
    background: #bfbfbf;
}

.ys-datepicker__time-item {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 28px;
    width: 100%;
    font-size: 14px;
    color: var(--dp-text-primary);
    cursor: pointer;
    font-weight: 400;
    border-radius: 0;
    margin: 0;
    text-align: center;
    transition: background-color var(--dp-transition), color var(--dp-transition);
    -webkit-tap-highlight-color: transparent;
}

.ys-datepicker__time-item:hover {
    background: var(--dp-bg-hover);
}

.ys-datepicker__time-item:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: -2px;
}

.ys-datepicker__time-item--selected {
    background: var(--dp-primary-light);
    color: var(--dp-text-primary);
    font-weight: 600;
}

.ys-datepicker__time-item--selected:hover {
    background: var(--dp-primary-light);
}

.ys-datepicker__time-item--disabled {
    color: var(--dp-text-disabled);
    cursor: not-allowed;
    pointer-events: none;
}

/* ==================== 时间选择器底部 ==================== */
.ys-timepicker__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-top: 1px solid var(--dp-border);
    background: var(--dp-bg);
}

.ys-timepicker__now-btn {
    padding: 4px 12px;
    font: inherit;
    font-size: 13px;
    background: transparent;
    border: none;
    color: var(--dp-primary);
    cursor: pointer;
    border-radius: var(--dp-radius-sm);
    transition: color var(--dp-transition), background-color var(--dp-transition);
    font-weight: 400;
}

.ys-timepicker__now-btn:hover {
    color: var(--dp-primary-hover);
    background: var(--dp-primary-light);
}

.ys-timepicker__now-btn:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 1px;
}

.ys-timepicker__confirm-btn {
    padding: 4px 16px;
    font: inherit;
    font-size: 13px;
    background: var(--dp-primary);
    border: 1px solid var(--dp-primary);
    color: #ffffff;
    cursor: pointer;
    border-radius: var(--dp-radius-md);
    transition: background-color var(--dp-transition), border-color var(--dp-transition), box-shadow var(--dp-transition), transform var(--dp-transition);
    font-weight: 500;
    box-shadow: 0 2px 0 rgba(5, 145, 255, 0.1);
}

.ys-timepicker__confirm-btn:hover {
    background: var(--dp-primary-hover);
    border-color: var(--dp-primary-hover);
}

.ys-timepicker__confirm-btn:active {
    background: var(--dp-primary-active);
    border-color: var(--dp-primary-active);
    transform: scale(0.98);
}

.ys-timepicker__confirm-btn:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 2px;
}

/* ==================== 输入框触发图标 ==================== */
.ys-input--date-trigger,
.ys-input--time-trigger {
    padding-right: 36px;
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    cursor: pointer;
    transition: border-color var(--dp-transition), box-shadow var(--dp-transition), background-color var(--dp-transition);
}

.ys-input--date-trigger {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23bfbfbf' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'%3E%3C/rect%3E%3Cline x1='16' y1='2' x2='16' y2='6'%3E%3C/line%3E%3Cline x1='8' y1='2' x2='8' y2='6'%3E%3C/line%3E%3Cline x1='3' y1='10' x2='21' y2='10'%3E%3C/line%3E%3C/svg%3E");
}

.ys-input--time-trigger {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23bfbfbf' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cpolyline points='12 6 12 12 16 14'%3E%3C/polyline%3E%3C/svg%3E");
}

/* 聚焦态：主色阴影（Ant Design 风格） */
.ys-input--date-trigger:focus,
.ys-input--time-trigger:focus {
    outline: none;
    border-color: #1e9fff;
    box-shadow: 0 0 0 2px rgba(30, 159, 255, 0.15);
}

/* 错误态触发器 */
.ys-input--date-trigger.ys-input--error,
.ys-input--time-trigger.ys-input--error {
    border-color: #ff4d4f;
}

.ys-input--date-trigger.ys-input--error:focus,
.ys-input--time-trigger.ys-input--error:focus {
    box-shadow: 0 0 0 2px rgba(255, 77, 79, 0.15);
}

/* 时间输入框清除按钮 */
.ys-input--time-clear {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    border: none;
    background: transparent;
    cursor: pointer;
    color: var(--dp-text-disabled);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color var(--dp-transition), color var(--dp-transition);
    z-index: 10;
}

.ys-input--time-clear:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--dp-text-secondary);
}

.ys-input--time-clear:focus-visible {
    outline: 2px solid var(--dp-primary);
    outline-offset: 1px;
}

/* ==================== 响应式适配（统一三档断点） ==================== */

/* ---------- 手机设备（宽度小于 768px） ---------- */
@media (max-width: 767px) {
    .ys-datepicker {
        width: calc(100vw - 24px);
        max-width: 320px;
        border-radius: var(--dp-radius-md);
    }

    .ys-datepicker__header {
        padding: 6px 8px;
    }

    .ys-datepicker__header-btn {
        width: 36px;
        height: 36px;
        font-size: 22px;
    }

    .ys-datepicker__header-title {
        font-size: 14px;
    }

    .ys-datepicker__weekdays {
        padding: 4px 6px 0;
    }

    .ys-datepicker__weekday {
        font-size: 12px;
        height: 28px;
    }

    .ys-datepicker__days {
        padding: 4px 6px 8px;
    }

    .ys-datepicker__day {
        height: 36px;
        font-size: 13px;
    }

    .ys-datepicker__months,
    .ys-datepicker__years {
        gap: 6px;
        padding: 12px 6px;
    }

    .ys-datepicker__month,
    .ys-datepicker__year {
        height: 44px;
        font-size: 13px;
    }

    .ys-datepicker__footer,
    .ys-timepicker__footer {
        padding: 8px 10px;
    }

    .ys-datepicker__today-btn,
    .ys-timepicker__now-btn,
    .ys-timepicker__confirm-btn {
        min-height: 36px;
        /* 触控友好 */
        padding-left: 18px;
        padding-right: 18px;
        font-size: 13px;
    }

    .ys-datepicker__time-columns {
        height: 200px;
    }

    .ys-datepicker__time-item {
        height: 32px;
        font-size: 14px;
    }

    .ys-input--time-clear {
        width: 24px;
        height: 24px;
        font-size: 16px;
        right: 6px;
    }
}

/* ---------- 平板设备（768px ~ 1023px） ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
    .ys-datepicker {
        width: 288px;
    }

    .ys-datepicker__day {
        height: 32px;
        font-size: 13px;
    }

    .ys-datepicker__month,
    .ys-datepicker__year {
        height: 40px;
    }

    .ys-datepicker__time-columns {
        height: 224px;
    }

    .ys-datepicker__time-item {
        height: 28px;
    }
}

/* ---------- 桌面设备（≥ 1024px） ---------- */
@media (min-width: 1024px) {
    .ys-datepicker {
        width: 288px;
    }

    .ys-datepicker__day {
        height: 32px;
        font-size: 13px;
    }

    .ys-datepicker__month,
    .ys-datepicker__year {
        height: 40px;
    }

    .ys-datepicker__time-columns {
        height: 224px;
    }

    .ys-datepicker__time-item {
        height: 28px;
        font-size: 14px;
    }
}

/* ==================== 辅助断点：触摸设备适配 ==================== */
@media (hover: none) and (pointer: coarse) {

    .ys-datepicker__day,
    .ys-datepicker__month,
    .ys-datepicker__year,
    .ys-datepicker__time-item {
        min-height: 36px;
    }

    /* 触控时关闭 hover 视觉，避免点击后残留 */
    .ys-datepicker__day:hover:not(.ys-datepicker__day--selected),
    .ys-datepicker__month:hover:not(.ys-datepicker__month--selected),
    .ys-datepicker__year:hover:not(.ys-datepicker__year--selected),
    .ys-datepicker__time-item:hover:not(.ys-datepicker__time-item--selected) {
        background: transparent;
    }
}

/* ==================== 辅助断点：减少动画偏好 ==================== */
@media (prefers-reduced-motion: reduce) {

    .ys-datepicker,
    .ys-datepicker-overlay,
    .ys-datepicker__day,
    .ys-datepicker__month,
    .ys-datepicker__year,
    .ys-datepicker__time-item,
    .ys-datepicker__header-btn,
    .ys-datepicker__today-btn,
    .ys-timepicker__now-btn,
    .ys-timepicker__confirm-btn,
    .ys-input--time-clear {
        transition: none !important;
    }

    .ys-datepicker {
        transform: none;
    }
}

/* ==================== 时间选择器紧凑模式（type="time" 专用） ==================== */
/* type="time" 时面板更窄、行更密，符合 Ant Design TimePicker 紧凑视觉 */
.ys-datepicker--time {
    width: 180px;
}

.ys-datepicker--time .ys-datepicker__time-columns {
    height: 224px;
}

.ys-datepicker--time .ys-datepicker__time-column {
    flex: 1 1 50%;
}

.ys-datepicker--time .ys-datepicker__time-list {
    padding: 4px 0 192px;
    /* 留白让任意值可滚到顶部对齐 */
}

.ys-datepicker--time .ys-datepicker__time-item {
    height: 28px;
    font-size: 13px;
    padding: 0 8px;
    font-variant-numeric: tabular-nums;
}

.ys-datepicker--time .ys-timepicker__footer {
    padding: 6px 8px;
}

.ys-datepicker--time .ys-timepicker__now-btn {
    padding: 3px 8px;
    font-size: 12px;
}

.ys-datepicker--time .ys-timepicker__confirm-btn {
    padding: 3px 12px;
    font-size: 12px;
}

/* datetime 复合模式：保持日期面板宽度，时间区列宽自适应 */
.ys-datepicker--datetime .ys-datepicker__time-item {
    font-size: 13px;
    font-variant-numeric: tabular-nums;
}

/* 紧凑模式响应式：手机端略放宽以适配触控 */
@media (max-width: 767px) {
    .ys-datepicker--time {
        width: 200px;
    }

    .ys-datepicker--time .ys-datepicker__time-item {
        height: 32px;
        font-size: 14px;
    }

    .ys-datepicker--time .ys-datepicker__time-columns {
        height: 200px;
    }
}

/* ==================== IE11 优雅降级 ==================== */
@media all and (-ms-high-contrast: none),
(-ms-high-contrast: active) {
    .ys-datepicker {
        background: #ffffff;
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
    }

    .ys-datepicker__weekdays,
    .ys-datepicker__days {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr 1fr 1fr 1fr 1fr;
    }

    .ys-datepicker__months,
    .ys-datepicker__years {
        display: -ms-grid;
        -ms-grid-columns: 1fr 1fr 1fr;
    }
}