/*
 * chinese-reader.css — styles for the hover-to-translate Chinese reader pages
 * (pages/daodejing/, pages/zhuangzi/, ...). Linked from each page; previously
 * lived inline in pages/daodejing/index.html.
 */

.ddj-intro {
    margin-bottom: 2.5rem;
    font-family: Calibri, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.95em;
    color: #444;
}

.ddj-intro p {
    text-indent: 0;
}

.ddj-hint {
    background: #f5f5f5;
    border-left: 0.5em solid #4e92df;
    padding: 0.6em 1em;
    margin: 1em 0;
    font-size: 0.92em;
    border-radius: 6px;
}

.ddj-chapter {
    margin: 2.5rem 0;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e5e5e5;
}

.ddj-chapter:last-child {
    border-bottom: none;
}

.ddj-section-head {
    font-family: "Courier New", Courier, monospace;
    font-size: 1.05em;
    color: #4e92df;
    margin-bottom: 0.6rem;
    text-align: left;
}

.ddj-section-head .num {
    font-weight: bold;
    margin-right: 0.5em;
}

.ddj-section-head .title {
    font-style: italic;
    color: #666;
}

.ddj-book-head {
    font-family: "Courier New", Courier, monospace;
    font-size: 1.6em;
    color: #1d2733;
    text-align: center;
    margin: 3rem 0 1rem;
    padding-top: 1rem;
    border-top: 2px solid #4e92df;
}

.ddj-book-head .book-zh {
    font-family: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
    margin-right: 0.6em;
}

.ddj-zh {
    font-size: 1.5em;
    line-height: 2.1;
    text-align: justify;
    margin: 0.4em 0 1.2em;
    font-family: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
}

.ddj-en {
    font-family: Calibri, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.97em;
    text-align: left;
    color: #222;
}

.ddj-en p {
    text-indent: 0;
    margin: 0 0 0.7em;
}

.ddj-en .poem {
    margin: 0.7em 0 1em 1em;
    font-style: italic;
    color: #333;
    white-space: pre-line;
}

.hz {
    position: relative;
    cursor: help;
    border-radius: 3px;
    padding: 0 1px;
    transition: background-color 120ms ease;
}

.hz:hover {
    background-color: #e6f1fb;
}

.ddj-punct {
    color: #888;
    padding: 0 1px;
}

#ddj-tooltip {
    position: fixed;
    z-index: 9999;
    background: #1d2733;
    color: #f4f4f4;
    padding: 0.55rem 0.8rem;
    border-radius: 6px;
    /*
     * Use a font that ships precomposed Latin Extended-A glyphs (ǎǒǔ etc.)
     * so the pinyin tone marks render flush instead of gappy. Verdana
     * sometimes synthesizes the diacritic, which looks awkward.
     */
    font-family: "Segoe UI", "Helvetica Neue", Arial, "DejaVu Sans", sans-serif;
    font-size: 0.85rem;
    max-width: 320px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
    pointer-events: none;
    opacity: 0;
    transform: translateY(-4px);
    transition: opacity 100ms ease, transform 100ms ease;
}

#ddj-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

#ddj-tooltip .tt-char {
    font-size: 1.4em;
    font-family: "Songti SC", "SimSun", "Noto Serif CJK SC", serif;
    margin-right: 0.45em;
    vertical-align: -2px;
}

#ddj-tooltip .tt-pinyin {
    color: #ffd166;
    font-weight: 600;
    font-size: 1em;
    /*
     * Inherit the tooltip's diacritic-friendly stack so ǒ/ǎ render right.
     */
    font-family: inherit;
    letter-spacing: 0.01em;
}

#ddj-tooltip .tt-def {
    margin-top: 0.35rem;
    color: #e9e9e9;
    line-height: 1.35;
}

#ddj-tooltip .tt-missing {
    color: #aaa;
    font-style: italic;
}

#ddj-tooltip .tt-shuowen {
    margin-top: 0.4rem;
    padding-top: 0.35rem;
    border-top: 1px dashed #4a5a73;
    color: #ffd166;
    line-height: 1.35;
    font-size: 0.9em;
}

#ddj-tooltip .tt-shuowen-label {
    display: inline-block;
    background: #4e92df;
    color: #fff;
    font-weight: bold;
    border-radius: 3px;
    padding: 0 0.35em;
    margin-right: 0.4em;
    font-size: 0.85em;
    vertical-align: 1px;
}

.ddj-toc {
    font-family: Calibri, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    font-size: 0.85em;
    line-height: 1.7;
    background: #fafafa;
    padding: 1em 1.3em;
    border-radius: 8px;
    margin: 1.5em 0;
}

.ddj-toc-group {
    margin-bottom: 0.6em;
}

.ddj-toc-group-title {
    display: block;
    font-weight: bold;
    color: #4e92df;
    margin-top: 0.4em;
    margin-bottom: 0.1em;
}

.ddj-toc a {
    display: inline-block;
    min-width: 2.4em;
    text-align: right;
    color: #4e92df;
    text-decoration: none;
    padding-right: 0.6em;
}

.ddj-toc a:hover {
    text-decoration: underline;
}

.ddj-status {
    text-align: center;
    font-family: Calibri, "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    color: #888;
    padding: 2em 0;
}

@media (max-width: 768px) {
    .ddj-zh {
        font-size: 1.3em;
        line-height: 1.95;
    }

    #ddj-tooltip {
        font-size: 0.8rem;
    }
}