/* ========================================
   Index Page Styles - r2wind.cn Clone
   ======================================== */

/* Time Flow Widget */
.time-flow-widget {
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.86));
}

.time-flow-widget::after {
    content: '';
    position: absolute;
    top: -56px;
    right: -40px;
    width: 128px;
    height: 128px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(93, 151, 67, 0.18), transparent 68%);
    pointer-events: none;
}

.time-flow-title-icon {
    color: var(--primary-color);
    font-size: 18px;
}

.time-flow-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.time-flow-now {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding: 0 2px 12px;
    border-bottom: 1px solid rgba(93, 151, 67, 0.14);
}

.time-flow-date {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 3px 7px;
    flex: 1 1 auto;
    min-width: 0;
    color: var(--text-muted);
    font-size: 12px;
    line-height: 1.6;
}

.time-flow-solar,
.time-flow-weekday {
    white-space: nowrap;
}

.time-flow-weekday::before {
    content: '·';
    margin-right: 7px;
    color: rgba(93, 151, 67, 0.5);
}

.time-flow-lunar {
    white-space: nowrap;
    padding: 1px 8px 2px;
    border: 1px solid rgba(93, 151, 67, 0.18);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(93, 151, 67, 0.16), rgba(93, 151, 67, 0.05));
    color: var(--primary-dark);
    font-weight: 600;
    letter-spacing: 0.3px;
}

.time-flow-clock {
    flex-shrink: 0;
    color: var(--primary-color);
    font-size: 22px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.5px;
    line-height: 1.1;
    text-align: right;
}

.time-progress-item {
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(93, 151, 67, 0.05);
}

.time-progress-item + .time-progress-item {
    margin-top: 0;
}

.time-progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

.time-progress-label span {
    min-width: 0;
}

.time-progress-label strong,
.time-percentage {
    color: var(--primary-color);
    font-weight: 600;
}

.time-percentage {
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.time-progress-track {
    position: relative;
    height: 7px;
    overflow: hidden;
    background: rgba(93, 151, 67, 0.12);
    border-radius: 999px;
}

.time-progress-bar {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-color), #8fc972);
    box-shadow: 0 0 10px rgba(93, 151, 67, 0.24);
    transition: width 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.time-progress-bar::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    transform: translateX(-100%);
    animation: timeFlowShimmer 2.8s ease-in-out infinite;
}

@keyframes timeFlowShimmer {
    55%, 100% { transform: translateX(130%); }
}

.content-more {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.content-more-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 9px 22px;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: var(--text-light);
}

.content-more-link:hover {
    background: var(--primary-dark);
    color: var(--text-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   似水流年 3D 翻面
   ======================================== */
/* 标题左侧：去掉 ◷ 字符，只保留通用色条（4px 绿色竖线，由 .widget-title::before 提供） */
.time-flow-widget .widget-title::before {
    width: 4px;
    height: 16px;
    border-radius: 2px;
    background: var(--primary-color);
    transition: height var(--transition-normal);
    margin-right: 2px;
}

.time-flow-flip:hover .widget-title::before {
    height: 24px;
}

/* 似水流年 widget 标题与色条之间略微收紧 */
.time-flow-widget .widget-title {
    gap: 2px;
}

/* 3D 容器：开启透视、关闭自身的悬浮位移，避免和翻面 transform 叠加抖动 */
.time-flow-flip {
    perspective: 1200px;
    transition: box-shadow var(--transition-normal), background var(--transition-normal);
    transform: none;
}

.time-flow-flip:hover {
    transform: none;
    box-shadow: var(--shadow-md);
}

.time-flow-flip-inner {
    position: relative;
    width: 100%;
    transform-style: preserve-3d;
    transition: transform 0.9s cubic-bezier(0.22, 1, 0.36, 1);
    will-change: transform;
}

.time-flow-flip:hover .time-flow-flip-inner,
.time-flow-flip.is-flipped .time-flow-flip-inner {
    transform: rotateY(180deg);
}

.time-flow-flip-face {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: var(--radius-md);
}

.time-flow-flip-front {
    position: relative;
}

.time-flow-flip-back {
    position: absolute;
    inset: 0;
    transform: rotateY(180deg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: var(--spacing-md);
    color: var(--text-primary);
    background:
        radial-gradient(120% 80% at 50% 0%, rgba(93, 151, 67, 0.22), transparent 60%),
        linear-gradient(180deg, #f0f7ed, #ffffff);
    box-shadow: inset 0 0 0 1px rgba(93, 151, 67, 0.12);
}

.time-flow-flip-back::before,
.time-flow-flip-back::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.55;
}

.time-flow-flip-back::before {
    top: -40px;
    right: -40px;
    width: 140px;
    height: 140px;
    background: radial-gradient(circle, rgba(93, 151, 67, 0.28), transparent 70%);
}

.time-flow-flip-back::after {
    bottom: -50px;
    left: -50px;
    width: 160px;
    height: 160px;
    background: radial-gradient(circle, rgba(143, 201, 114, 0.22), transparent 70%);
}

.time-flow-quote {
    position: relative;
    z-index: 1;
    text-align: center;
    line-height: 1.7;
    letter-spacing: 0.04em;
    padding: 0 8px;
}

.time-flow-quote-mark {
    display: block;
    margin-bottom: 6px;
    color: var(--primary-color);
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 52px;
    font-weight: 700;
    line-height: 0.6;
    opacity: 0.55;
    transform: translateY(8px);
    animation: quoteIn 0.7s ease-out forwards;
    animation-delay: 0.05s;
}

.time-flow-quote-text {
    margin: 0 0 14px;
    color: var(--primary-dark);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    line-height: 1.5;
    opacity: 0;
    transform: translateY(8px);
    animation: quoteIn 0.7s ease-out forwards;
    animation-delay: 0.18s;
}

.time-flow-quote-author {
    margin: 0 0 10px;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.08em;
    opacity: 0;
    transform: translateY(8px);
    animation: quoteIn 0.7s ease-out forwards;
    animation-delay: 0.32s;
}

.time-flow-quote-sub {
    margin: 0;
    padding-top: 10px;
    color: var(--primary-color);
    font-size: 12px;
    letter-spacing: 0.08em;
    border-top: 1px dashed rgba(93, 151, 67, 0.35);
    opacity: 0;
    transform: translateY(8px);
    animation: quoteIn 0.7s ease-out forwards;
    animation-delay: 0.46s;
}

@keyframes quoteIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 触屏：hover 不命中时改用 .is-flipped */
@media (hover: none) {
    .time-flow-flip:hover .time-flow-flip-inner {
        transform: none;
    }
}

/* 首页侧边栏：不跟随滚动，与文章列表一起滚动 */
.main-wrapper > .sidebar {
    position: static;
}