/* 诗词详情页专用样式 */
.poem-detail-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 1rem;
}

/* 面包屑横跨两列通栏，避免挤占 grid 首列破坏主/侧栏布局 */
.poem-detail-container > .breadcrumb {
    grid-column: 1 / -1;
}

.poem-detail-main {
    min-width: 0;
}

.poem-detail-sidebar {
    min-width: 260px;
}

.poem-detail-card {
    background: #fff;
    border-radius: 6px;
    padding: 1.25rem 1.5rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.poem-detail-header {
    text-align: center;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    margin-bottom: 0.75rem;
}

.poem-detail-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: #2C2C2C;
    letter-spacing: 0.08em;
    margin-bottom: 0.25rem;
}

.poem-detail-byline {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 0.85rem;
    margin-top: 0.35rem;
}

.poem-detail-authors {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.poem-detail-author-person {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    white-space: nowrap;
    font-size: 0.875rem;
    color: #004B50;
}

.poem-detail-author-person img {
    width: 32px;
    height: 32px;
    flex: none;
    border-radius: 50%;
    object-fit: cover;
    background: #f5f0e6;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.poem-detail-authors a:hover {
    color: var(--color-accent);
}

.poem-detail-meta {
    color: #888;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    padding-left: 0.85rem;
    border-left: 1px solid rgba(0, 0, 0, 0.12);
}

.poem-detail-meta a {
    color: #004B50;
    text-decoration: none;
}

.poem-detail-meta a:hover {
    color: #C04851;
}

.poem-collection-context {
    display: flex;
    justify-content: center;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 0.2rem 0.45rem;
    margin: 0.45rem 0 0;
    color: #888;
    font-size: 0.8125rem;
    line-height: 1.6;
}

.poem-collection-context a {
    color: #004B50;
    text-decoration: underline;
    text-decoration-color: rgba(0, 75, 80, 0.3);
    text-underline-offset: 0.2em;
    white-space: nowrap;
}

.poem-collection-context a:hover,
.poem-collection-context a:focus-visible {
    color: #C04851;
    text-decoration-color: currentColor;
}

.poem-attribution-warning { display: inline-block; margin-top: .25rem; color: #856d45; font-size: .75rem; }

.poem-detail-tools {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
    flex-wrap: wrap;
}

.poem-detail-content {
    padding: 0.5rem 0;
}

.poem-detail-lines {
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    line-height: 1.8;
    text-align: center;
    color: #2C2C2C;
    letter-spacing: 0.04em;
}

.poem-detail-container .sentence-credit { font-size: .72em; color: #8B5A3C; margin: 0 .55em 0 .45em; white-space: nowrap; }
.poem-detail-lines .poem-credit-name { color: #8B5A3C; text-decoration: none; }
.poem-detail-lines a.poem-credit-name:hover { color: #A84338; text-decoration: underline; }

.poem-detail-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.25rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.poem-detail-tag {
    font-size: 0.6875rem;
    color: #888;
    padding: 0.2em 0.5em;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 2px;
    transition: all 0.25s ease;
}

.poem-detail-tag:hover {
    color: var(--color-accent);
    background: rgba(192, 72, 81, 0.06);
}

/* 内容模块 */
.poem-detail-container .content-section {
    background: #fff;
    border-radius: 6px;
    margin-bottom: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    overflow: hidden;
}

.poem-detail-container .content-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 1rem;
    background: rgba(0, 0, 0, 0.01);
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
    cursor: pointer;
    user-select: none;
}

.poem-detail-container .content-section-header:hover {
    background: rgba(0, 0, 0, 0.02);
}

.poem-detail-container .content-section-title {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 600;
    color: #2C2C2C;
    letter-spacing: 0.04em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.poem-detail-container .content-section-title::before {
    content: "";
    width: 3px;
    height: 0.875rem;
    background: var(--color-accent);
    border-radius: 2px;
}

.poem-detail-container .content-section-toggle {
    font-size: 0.75rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.poem-detail-container .content-section-body {
    padding: 1rem;
    display: block;
}

.poem-detail-container .content-section-content {
    font-size: 0.9375rem;
    line-height: 1.9;
    color: #555;
}

.poem-detail-container .content-section-content p {
    margin-bottom: 0.75rem;
}

.poem-detail-container .content-section-content p:last-child {
    margin-bottom: 0;
}

/* 注释列表 */
.poem-detail-container .annotation-list {
    list-style: none;
    /* 网格布局：词列严格取本诗最长词条宽度（max-content 不随容器拉伸），多余空间全给释义列 */
    display: grid;
    grid-template-columns: fit-content(35%) minmax(0, 1fr);
    /* 必须等高拉伸：baseline 会让词格只有一行高，释义折行时词格虚线切进释义文字中间 */
    align-items: stretch;
}

.poem-detail-container .annotation-list-item {
    display: contents;
}

.poem-detail-container .annotation-list-word {
    font-family: var(--font-serif);
    font-size: 0.9375rem;
    color: #004B50;
    white-space: normal;
    overflow-wrap: anywhere;
    min-width: 0;
    padding: 0.5rem 1.5rem 0.5rem 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
}

.poem-detail-container .annotation-list-meaning {
    font-size: 0.875rem;
    color: #666;
    line-height: 1.7;
    padding: 0.5rem 0;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
}

.poem-detail-container .annotation-list-item:last-child .annotation-list-word,
.poem-detail-container .annotation-list-item:last-child .annotation-list-meaning {
    border-bottom: none;
}

/* 参考资料（书目引用，附在各内容块正文下方） */
.poem-detail-container .reference-inline {
    margin-top: 0.875rem;
    padding: 0.625rem 0.875rem;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 4px;
}

.poem-detail-container .reference-inline-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #999;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
}

.poem-detail-container .reference-inline-list {
    margin: 0;
    padding-left: 1.1rem;
}

.poem-detail-container .reference-inline-list li {
    font-size: 0.75rem;
    color: #999;
    line-height: 1.8;
}

/* 侧边栏 */
.poem-detail-container .sidebar-card {
    background: #fff;
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

.poem-detail-container .sidebar-title {
    font-family: var(--font-serif);
    font-size: 0.875rem;
    font-weight: 600;
    color: #2C2C2C;
    letter-spacing: 0.04em;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.poem-detail-container .sidebar-title::before {
    content: "";
    width: 3px;
    height: 0.875rem;
    background: var(--color-accent);
    border-radius: 2px;
}

.poem-detail-container .sidebar-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.poem-detail-container .sidebar-author-info {
    text-align: center;
    margin-bottom: 0.75rem;
}

.poem-detail-container .sidebar-author-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: #2C2C2C;
}

.poem-detail-container .sidebar-author-dynasty {
    font-size: 0.8125rem;
    color: #888;
    margin-top: 0.25rem;
}

.poem-detail-container .sidebar-author-bio {
    font-size: 0.8125rem;
    color: #666;
    line-height: 1.7;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.poem-detail-container .sidebar-author-link {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8125rem;
    color: #004B50;
    text-align: center;
}

.poem-detail-container .sidebar-related-list {
    list-style: none;
}

.poem-detail-container .sidebar-related-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.poem-detail-container .sidebar-related-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.poem-detail-container .sidebar-related-title {
    font-family: var(--font-serif);
    font-size: 0.8125rem;
    color: #2C2C2C;
    margin-bottom: 0.125rem;
    transition: color 0.25s ease;
}

.poem-detail-container .sidebar-related-item a:hover .sidebar-related-title {
    color: var(--color-accent);
}

.poem-detail-container .sidebar-related-meta {
    font-size: 0.6875rem;
    color: #aaa;
}

/* 正文注释词高亮 */
.note-word {
    color: #004B50;
    border-bottom: 1px dashed rgba(0, 75, 80, 0.5);
    cursor: help;
    transition: color 0.25s ease;
}

.note-word:hover,
.note-word.active {
    color: var(--color-accent);
    border-bottom-color: rgba(192, 72, 81, 0.6);
}

/* 注释释义浮层 */
.note-popover {
    position: absolute;
    z-index: 1000;
    max-width: min(300px, 86vw);
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    line-height: 1.7;
    color: #555;
}

.note-popover-word {
    font-family: var(--font-serif);
    font-weight: 600;
    font-size: 0.9375rem;
    color: #2C2C2C;
    margin-bottom: 0.25rem;
}

.note-popover::after {
    content: "";
    position: absolute;
    left: var(--arrow-left, 50%);
    bottom: -5px;
    width: 10px;
    height: 10px;
    background: #fff;
    transform: translateX(-50%) rotate(45deg);
    box-shadow: 3px 3px 6px rgba(0, 0, 0, 0.06);
}

.note-popover.below::after {
    bottom: auto;
    top: -5px;
    box-shadow: -3px -3px 6px rgba(0, 0, 0, 0.06);
}

/* 正文拼音注音（ruby） */
.poem-detail-lines ruby {
    ruby-align: center;
    display: inline-block;
    position: relative;
    line-height: 1.45;
    vertical-align: baseline;
}

.poem-detail-lines rt {
    font-size: 0.72em;
    color: #999;
    font-weight: 400;
    letter-spacing: -0.02em;
    /* 独立定位注音，明确留出与汉字的垂直间距。 */
    display: block;
    position: absolute;
    bottom: calc(100% + .25em);
    left: 50%;
    transform: translateX(-50%);
    width: max-content;
    line-height: 1.3;
    user-select: none;
    -webkit-user-select: none;
}

/* 拼音态行高适配注音高度 + 基础字距（字间主空隙由下方 ruby margin 提供） */
.poem-detail-lines.pinyin-on {
    line-height: 3.4;
    letter-spacing: 0.1em;
}

/* 相邻注音字之间留出固定空隙：letter-spacing 不作用于 ruby 元素之间，长音节溢出 rt 需靠 margin 隔开 */
.poem-detail-lines.pinyin-on ruby {
    margin: 0 0.5em;
}

/* 正文区切换译文块（原诗下方追加，与拼音开关独立） */
.translation-block {
    text-align: left;
    line-height: 1.9;
    color: #555;
    font-size: 1rem;
    letter-spacing: normal;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: 1.25rem;
    padding-top: 1.25rem;
}

.translation-block p {
    margin-bottom: 0.75rem;
}

.translation-block p:last-child {
    margin-bottom: 0;
}

/* 逐行对照：诗行结构 + 行下译文 */
.poem-detail-lines .poem-line {
    display: block;
}

.poem-detail-lines .line-translation {
    display: block;
    font-size: 0.8125rem;
    color: #999;
    line-height: 1.8;
    letter-spacing: normal;
    margin-top: 0.125rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .poem-detail-container {
        grid-template-columns: 1fr;
    }

    .poem-detail-sidebar {
        min-width: 0;
    }

    .poem-detail-card {
        padding: 1.25rem 1rem;
    }

    .poem-detail-lines {
        font-size: 1rem;
    }

    /* 移动端容器窄（约 280px）：拼音态字号微缩 + 疏排收敛，保证七言一句（16 字符）不折行 */
    .poem-detail-lines.pinyin-on {
        font-size: 0.85rem;
        line-height: 3.4;
        letter-spacing: 0.15em;
    }

    .poem-detail-lines rt {
        font-size: 0.72em;
    }
}
/* Small refinements retain the original compact cards and reading column. */
.poem-detail-container .poem-detail-title { font-size: 1.625rem; overflow-wrap: anywhere; }
.poem-detail-container .poem-detail-meta { font-size: .8125rem; }
.poem-detail-container .poem-detail-lines { font-size: 1.125rem; overflow-wrap: anywhere; }
.poem-detail-container .reading-prose { text-align: left; line-height: 2; }
.poem-detail-container .poem-detail-tools[hidden] { display: none !important; }
.poem-detail-container .content-section-header { list-style: none; min-height: 44px; }
.poem-detail-container .content-section-header::-webkit-details-marker { display: none; }
.poem-detail-container details:not([open]) .section-open-label,
.poem-detail-container details[open] .section-closed-label { display: none; }
.poem-detail-container .content-section-title, .poem-detail-container .sidebar-title { font-size: 1rem; }
.poem-detail-container .annotation-list-meaning { min-width: 0; overflow-wrap: anywhere; }
.poem-detail-container .sidebar-related-meta, .poem-detail-container .reference-inline-label,
.poem-detail-container .reference-inline-list { color: #777; font-size: .8125rem; }
.poem-detail-container .quote-excerpt { font-family: var(--font-serif); font-size: 1rem; line-height: 1.9; }
.poem-detail-container :is(a, button, summary):focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.poem-detail-container :is(.content-section, #poemLines) { scroll-margin-top: 90px; }
@media (max-width: 768px) {
    .poem-detail-container { padding: .75rem 1rem; }
    .poem-detail-container .poem-detail-title { font-size: 1.375rem; letter-spacing: .04em; }
    .poem-detail-container .poem-detail-lines { font-size: 1.0625rem; }
    .poem-detail-container .poem-detail-lines.pinyin-on { font-size: 1.0625rem; letter-spacing: .04em; }
    .poem-detail-container .tool-btn { min-height: 44px; }
    .poem-detail-container .annotation-list-word { padding-right: .75rem; }
}


/* Align the author and metadata by their line boxes, not inline-link baselines. */
.poem-detail-container .poem-detail-authors li { display: flex; align-items: center; }
.poem-detail-container .poem-detail-author-person { display: flex; line-height: 1.5; }
.poem-detail-container .poem-detail-meta { margin: 0; line-height: 1.5; }