.stack-app {
    --bg: var(--card-background);
    --text: var(--card-text-color-main);
    --primary: var(--accent-color); /* 科大绿风格 */
    --accent: var(--accent-color);
    --card-bg: var(--card-background);
    --soft-border: var(--card-separator-color);
    --highlight: #ffb347;
}

.stack-app {
    font-family: var(--base-font-family);
    background-color: var(--card-background);
    color: inherit;
    line-height: 1.6;
}

.stack-app .global-nav {
    background: var(--card-background);
    padding: 12px 0;
    text-align: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-l1);
}

.stack-app .global-nav a {
    color: inherit;
    text-decoration: none;
    margin: 0 15px;
    font-weight: bold;
    font-size: 1.52rem;
    transition: color 0.3s;
}

.stack-app .global-nav a:hover {
    color: inherit;
}

.stack-app .global-nav a[aria-current="page"] {
    color: inherit;
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 0.4rem;
}

.stack-app .global-nav a:focus-visible,
.stack-app .card:focus-visible,
.stack-app .quick-nav-item:focus-visible,
.stack-app .nav-btn:focus-visible,
.stack-app .nav-select:focus-visible,
.stack-app .settings-btn:focus-visible,
.stack-app .filter-btn:focus-visible {
    outline: 3px solid var(--highlight);
    outline-offset: 3px;
}

.stack-app header {
    background: var(--card-background);
    color: inherit;
    padding: 6.4rem 3.2rem;
    text-align: center;
}

.stack-app .container {
    max-width: 900px;
    margin: -4.8rem auto 3.2rem;
    padding: 0 20px;
}

.stack-app .profile-card {
    background: var(--card-background);
    padding: 3.2rem;
    border-radius: var(--card-border-radius);
    box-shadow: var(--shadow-l1);
    text-align: center;
}

.stack-app .stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 3.2rem;
}

.stack-app .card {
    background: var(--card-background);
    padding: 2.4rem;
    border-radius: var(--card-border-radius);
    border-left: 1px solid var(--card-separator-color);
    transition: transform 0.3s ease;
    text-decoration: none;
    color: inherit;
    display: block;
}

.stack-app .card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-l1);
}

.stack-app .card h3 { margin-top: 0; color: inherit; }

.stack-app .fortune-card {
    margin-top: 3.2rem;
    padding: 2.4rem;
    border-radius: var(--card-border-radius);
    background: var(--card-background);
    box-shadow: var(--shadow-l1);
    border: 1px solid var(--card-separator-color);
}

.stack-app .fortune-card__head {
    display: flex;
    justify-content: space-between;
    gap: 1.6rem;
    align-items: flex-start;
    flex-wrap: wrap;
}

.stack-app .fortune-card__head h2 {
    margin: 0.24rem 0 0.48rem;
    font-size: 2.4rem;
}

.stack-app .section-kicker {
    margin: 0;
    color: inherit;
    font-size: 1.312rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.stack-app #calendar-heading {
    margin: 0;
    color: inherit;
}

.stack-app .fortune-chip {
    min-width: 160px;
    padding: 1.44rem 1.6rem;
    border-radius: var(--card-border-radius);
    background: var(--card-background);
    border: 1px solid var(--card-separator-color);
    text-align: right;
}

.stack-app .fortune-chip span {
    display: block;
    font-size: 1.28rem;
    color: inherit;
    margin-bottom: 0.24rem;
}

.stack-app .fortune-chip strong {
    font-size: 1.68rem;
    color: inherit;
}

.stack-app .fortune-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.96rem;
    margin-top: 1.6rem;
}

.stack-app .meta-pill {
    display: inline-flex;
    align-items: center;
    padding: 0.72rem 1.2rem;
    border-radius: 999px;
    background: var(--card-background);
    border: 1px solid var(--card-separator-color);
    color: inherit;
    font-size: 1.472rem;
    font-variant-numeric: tabular-nums;
}

.stack-app .fortune-layout {
    margin-top: 2rem;
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.85fr);
    gap: 1.6rem;
}

.stack-app .calendar-shell,
.stack-app .clock-box,
.stack-app .fortune-box {
    background: var(--card-background);
    border-radius: var(--card-border-radius);
    border: 1px solid var(--card-separator-color);
    box-shadow: var(--shadow-l1);
    /* Allow vertical page panning by default but enable JS to capture horizontal gestures.
       Also hide overflow when animating slides. */
    touch-action: pan-y;
    overflow: hidden;
}

.stack-app .calendar-shell {
    padding: 1.6rem;
}

.stack-app .weekday-row,
.stack-app .calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, minmax(0, 1fr));
    gap: 0.8rem;
}

.stack-app .weekday-row {
    margin-bottom: 1.04rem;
    color: inherit;
    font-size: 1.36rem;
    text-align: center;
    font-weight: 700;
}

.stack-app .calendar-grid {
    min-height: 360px;
}

.stack-app .calendar-day {
    min-height: 88px;
    padding: 1.12rem 0.88rem;
    border: 1px solid var(--card-separator-color);
    border-radius: var(--card-border-radius);
    background: var(--card-background);
    color: inherit;
    text-align: left;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.stack-app .calendar-day:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-l1);
    border-color: var(--card-separator-color);
}

.stack-app .calendar-day.is-outside {
    opacity: 0.45;
}

.stack-app .calendar-day.is-today {
    border-color: var(--card-separator-color);
    box-shadow: var(--shadow-l1);
}

.stack-app .calendar-day.is-selected {
    border-color: var(--card-separator-color);
    background: var(--card-background);
    box-shadow: var(--shadow-l1);
}

.stack-app .calendar-day.has-jieqi {
    border-color: var(--card-separator-color);
    background: var(--card-background);
}

.stack-app .calendar-day.has-jieqi .day-tag {
    background: var(--card-background);
    color: inherit;
    box-shadow: var(--shadow-l1);
}

.stack-app .solar-day {
    font-size: 2rem;
    font-weight: 800;
    color: inherit;
}

.stack-app .lunar-day {
    font-size: 1.376rem;
    color: inherit;
    line-height: 1.2;
}

.stack-app .calendar-day .day-tag {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    padding: 0.24rem 0.72rem;
    border-radius: 999px;
    background: var(--card-background);
    color: inherit;
    font-size: 1.152rem;
    font-weight: 700;
}

/* 日历导航控件 */
.stack-app .calendar-nav {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin: 0.8rem 0;
}

.stack-app .nav-btn {
    background: var(--card-background);
    border: 1px solid var(--card-separator-color);
    border-radius: var(--card-border-radius);
    padding: 0.48rem 0.96rem;
    cursor: pointer;
    font-size: 1.44rem;
    transition: all 0.2s;
    color: inherit;
}

.stack-app .nav-btn:hover {
    background: var(--card-background);
    border-color: var(--card-separator-color);
}

.stack-app .today-btn {
    background: var(--card-background);
    color: inherit;
    font-weight: bold;
    margin-left: 0.32rem;
}

.stack-app .today-btn:hover {
    background: var(--card-background);
}

.stack-app .nav-selectors {
    display: flex;
    gap: 0.48rem;
}

.stack-app .nav-select {
    padding: 0.32rem 0.64rem;
    border-radius: var(--card-border-radius);
    border: 1px solid var(--card-separator-color);
    background: var(--card-background);
    font-size: 1.44rem;
    color: inherit;
    cursor: pointer;
}

.stack-app .nav-select:focus {
    outline: none;
    border-color: var(--card-separator-color);
}

.stack-app .fortune-panel {
    display: grid;
    gap: 1.6rem;
}

.stack-app .clock-box,
.stack-app .fortune-box {
    padding: 1.76rem 1.76rem 1.92rem;
}

.stack-app .clock-box h3,
.stack-app .fortune-box h3 {
    margin: 0.56rem 0 0.64rem;
    color: inherit;
    font-size: 2.16rem;
}

.stack-app #ancient-clock-detail,
.stack-app #modern-clock {
    margin: 0.32rem 0 0;
    color: inherit;
    font-size: 1.536rem;
}

.stack-app #fortune-score {
    color: inherit;
}

.stack-app #fortune-tier {
    margin: 0.32rem 0 0.96rem;
    font-size: 1.84rem;
    font-weight: 700;
    color: inherit;
}

.stack-app #fortune-tier:has(+ #fortune-detail-group) {
    /* when followed by detail group */
}

.stack-app #fortune-yi,
.stack-app #fortune-ji {
    margin: 0.48rem 0 0;
    font-size: 1.472rem;
    line-height: 1.5;
    color: inherit;
}

.stack-app #fortune-ji {
    color: inherit;
}

.stack-app .clock-note {
    margin-top: 1.28rem;
    font-size: 1.408rem;
    color: inherit;
}

@media (max-width: 860px) {
    .stack-app .fortune-layout {
        grid-template-columns: 1fr;
    }

    .stack-app .fortune-chip {
        text-align: left;
    }
}

@media (max-width: 560px) {
    .stack-app .fortune-card {
        padding: 1.6rem;
    }

    .stack-app .calendar-shell {
        padding: 1.28rem;
    }

    .stack-app .calendar-day {
        min-height: 76px;
        padding: 0.96rem 0.8rem;
        border-radius: var(--card-border-radius);
    }

    .stack-app .solar-day {
        font-size: 1.728rem;
    }
}

@media (max-width: 768px) {
    .stack-app .global-nav {
        display: flex;
        justify-content: flex-start;
        gap: 0.8rem;
        overflow-x: auto;
        padding: 10px 12px;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }

    .stack-app .global-nav a {
        flex: 0 0 auto;
        margin: 0;
        padding: 0.56rem 0.88rem;
        border-radius: 999px;
        background: var(--card-background);
    }
}

.stack-app .tag {
    display: inline-block;
    background: var(--card-background);
    padding: 2px 8px;
    border-radius: var(--card-border-radius);
    font-size: 1.28rem;
    margin-right: 5px;
}

.stack-app footer { text-align: center; padding: 3.2rem; color: inherit; font-size: 1.44rem; }

/* 代码块复制按钮样式 */
.stack-app pre {
    position: relative;
}

.stack-app .copy-code-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--card-background);
    color: inherit;
    border: none;
    border-radius: var(--card-border-radius);
    padding: 4px 8px;
    font-size: 1.28rem;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    z-index: 10;
}

.stack-app pre:hover .copy-code-btn {
    opacity: 1;
}

.stack-app .copy-code-btn:hover {
    background: var(--card-background);
    color: inherit;
}

/* 设置按钮样式 */
.stack-app .settings-btn {
    background: var(--card-background);
    border: 1px solid var(--card-separator-color);
    padding: 0.8rem 1.6rem;
    border-radius: var(--card-border-radius);
    font-size: 1.44rem;
    color: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.stack-app .settings-btn:hover {
    background: var(--card-background);
    border-color: var(--card-separator-color);
    color: inherit;
}

/* ===== 快捷导航页面样式 ===== */
.stack-app .quick-nav-section {
    margin-top: 4rem;
}

.stack-app .quick-nav-category-title {
    font-size: 2.08rem;
    color: inherit;
    margin: 0 0 1.6rem;
    padding-bottom: 0.64rem;
    border-bottom: 1px solid var(--card-separator-color);
}

.stack-app .quick-nav-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.stack-app .quick-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    padding: 2.4rem 1.6rem;
    background: var(--card-background);
    border-radius: var(--card-border-radius);
    border: 1px solid var(--card-separator-color);
    text-decoration: none;
    color: inherit;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    text-align: center;
}

.stack-app .quick-nav-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-l1);
    border-color: var(--card-separator-color);
}

.stack-app .quick-nav-icon {
    font-size: 3.2rem;
    line-height: 1;
}

.stack-app .quick-nav-name {
    font-weight: 700;
    font-size: 1.52rem;
    color: inherit;
}

.stack-app .quick-nav-desc {
    font-size: 1.2rem;
    color: inherit;
}

@media (max-width: 560px) {
    .stack-app .quick-nav-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }

    .stack-app .quick-nav-item {
        padding: 1.92rem 1.28rem;
    }

    .stack-app .quick-nav-icon {
        font-size: 2.56rem;
    }
}