:root {
    --paper: #f6f1e7;
    --ink: #2c2519;
    --ink-soft: #5c523f;
    --accent: #7a5228;
    --accent-soft: #a97e50;
    --rule: rgba(90, 74, 50, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'EB Garamond', Georgia, 'Times New Roman', serif;
    background: #d8cfbd;
    color: var(--ink);
    line-height: 1.5;
    padding: 2rem 1rem 4rem;
}

/* ---------- Screen toolbar (hidden when printing) ---------- */

.toolbar {
    max-width: 148mm;
    margin: 0 auto 1.5rem;
    text-align: center;
}

.toolbar p {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.05rem;
    color: #4a4132;
    margin-bottom: 0.9rem;
}

.toolbar button,
.toolbar a {
    font-family: 'EB Garamond', Georgia, serif;
    font-size: 1rem;
    letter-spacing: 0.06em;
    color: #fdfbf5;
    background: var(--accent);
    border: 1px solid var(--accent);
    border-radius: 3px;
    padding: 0.5rem 1.4rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: background 0.2s ease;
}

.toolbar a {
    color: var(--accent);
    background: transparent;
    margin-left: 0.5rem;
}

.toolbar button:hover {
    background: #63421f;
}

.toolbar a:hover {
    background: rgba(122, 82, 40, 0.08);
}

/* ---------- Sheets ---------- */

.sheets {
    max-width: 148mm;
    margin: 0 auto;
}

.sheet {
    background: #fffdf8;
    width: 100%;
    padding: 16mm 14mm;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 24px rgba(58, 50, 38, 0.2);
    border-radius: 2px;
}

.sheet[lang="zh"] {
    font-family: 'Noto Serif SC', 'EB Garamond', serif;
}

.sheet-head {
    text-align: center;
    margin-bottom: 1.4rem;
}

.ornament {
    font-size: 1rem;
    color: var(--accent-soft);
    letter-spacing: 0.6em;
    margin-bottom: 0.7rem;
}

h1 {
    font-family: 'Cormorant Garamond', 'EB Garamond', serif;
    font-weight: 600;
    font-size: 1.9rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--ink);
    line-height: 1.1;
}

.sheet[lang="zh"] h1 {
    font-family: 'Noto Serif SC', serif;
    letter-spacing: 0.2em;
}

.rule {
    width: 40%;
    height: 1px;
    margin: 1rem auto 0;
    background: linear-gradient(to right, transparent, var(--rule), transparent);
}

.salutation {
    font-family: 'Caveat', cursive;
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.8rem;
}

.sheet[lang="zh"] .salutation {
    font-family: 'Ma Shan Zheng', 'Noto Serif SC', cursive;
    font-size: 1.4rem;
}

.sheet p.body {
    margin-bottom: 0.7rem;
    text-align: justify;
    hyphens: auto;
    font-size: 0.98rem;
}

blockquote {
    margin: 1rem 1rem;
    padding-left: 0.9rem;
    border-left: 2px solid var(--accent-soft);
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.02rem;
    color: var(--ink-soft);
}

.sheet[lang="zh"] blockquote {
    font-family: 'Noto Serif SC', serif;
    font-style: normal;
}

blockquote .cite {
    display: block;
    margin-top: 0.4rem;
    font-size: 0.85rem;
    font-style: normal;
    letter-spacing: 0.06em;
    color: var(--accent);
}

.signoff {
    margin-top: 1.1rem;
    text-align: right;
}

.signoff .closing {
    font-style: italic;
    color: var(--ink-soft);
}

.signoff .signature {
    font-family: 'Caveat', cursive;
    font-size: 1.6rem;
    color: var(--accent);
}

.sheet[lang="zh"] .signoff .closing {
    font-style: normal;
}

.sheet[lang="zh"] .signoff .signature {
    font-family: 'Ma Shan Zheng', 'Noto Serif SC', cursive;
}

/* ---------- QR sheet ---------- */

.qr-sheet {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.qr-sheet .qr-intro {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-size: 1.05rem;
    color: var(--ink-soft);
    margin-bottom: 1.2rem;
}

.qr-sheet img {
    width: 38mm;
    height: 38mm;
    display: block;
}

.qr-sheet .qr-url {
    margin-top: 1.1rem;
    font-size: 1rem;
    letter-spacing: 0.04em;
    color: var(--accent);
}

/* ---------- Print ---------- */

@page {
    size: A5;
    margin: 12mm;
}

@media print {
    body {
        background: #fff;
        padding: 0;
        line-height: 1.45;
    }

    .toolbar {
        display: none;
    }

    .sheets {
        max-width: none;
        margin: 0;
    }

    .sheet {
        background: #fff;
        box-shadow: none;
        border-radius: 0;
        padding: 0;
        margin: 0;
        break-after: page;
        page-break-after: always;
    }

    .sheet:last-child {
        break-after: auto;
        page-break-after: auto;
    }

    blockquote,
    .signoff,
    .sheet-head {
        break-inside: avoid;
        page-break-inside: avoid;
    }

    .qr-sheet {
        min-height: 80vh;
    }
}