/* ==================== 字体定义 ==================== */
/* 系统楷体优先，GB2312 兜底 */
@font-face {
    font-family: 'DuoDuoKaiTiGB';
    src: url('/fonts/kaiti_gb2312.woff2') format('woff2'),
         url('/fonts/kaiti_gb2312.ttf')   format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* 系统楷体 */
.zitie-char.font-system {
    font-family: '楷体', 'KaiTi', 'STKaiti', 'Kaiti SC', 'AR PL UKai CN', serif !important;
}
/* 楷体 GB2312（兜底） */
.zitie-char.font-kaiti_gb2312 {
    font-family: 'DuoDuoKaiTiGB', '楷体', 'KaiTi', 'STKaiti', serif !important;
}

.zitie-char.font-wenkai {
    font-family: 'DuoDuoWenKai', '楷体', 'KaiTi', serif !important;
}

/* 游客超限提示 */
.limit-tip { text-align: center; padding: 4rem 1rem; }
.limit-emoji { font-size: 5rem; margin-bottom: 1rem; }
.limit-title { font-size: 1.6rem; font-weight: 700; color: #0d2b3e; margin-bottom: 0.8rem; }
.limit-desc { font-size: 1rem; color: #1e88e5; margin-bottom: 2rem; }
.limit-btns { display: flex; gap: 1rem; justify-content: center; }

/* ==================== 配置区 ==================== */
.zitie-config {
    background: rgba(225, 245, 254, 0.6);
    padding: 1.8rem 2rem;
    border-radius: 40px;
    border: 2px solid rgba(66, 165, 245, 0.15);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8), 0 6px 0 #42a5f5;
    margin-bottom: 2rem;
}
.config-row { margin-bottom: 1.2rem; }
.config-row-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
}
.config-label {
    display: block;
    font-weight: 700;
    color: #0d2b3e;
    margin-bottom: 6px;
    font-size: 0.95rem;
}
.config-label i { color: #42a5f5; margin-right: 4px; }

.words-input {
    width: 100%;
    min-height: 90px;
    padding: 12px;
    font-size: 1.1rem;
    font-family: 'KaiTiGB', '楷体', 'KaiTi', serif;
    border: 2px solid rgba(66, 165, 245, 0.2);
    border-radius: 14px;
    background: white;
    outline: none;
    resize: vertical;
    letter-spacing: 2px;
}
.words-input:focus {
    border-color: #42a5f5;
    box-shadow: 0 0 0 3px rgba(66, 165, 245, 0.2);
}
.word-count {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #90a4ae;
    margin-top: 6px;
}
.btn-mini {
    background: transparent;
    border: 1px solid #42a5f5;
    color: #42a5f5;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    cursor: pointer;
}
.btn-mini:hover { background: #42a5f5; color: white; }

.config-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* ==================== 字帖预览区 ==================== */
.zitie-preview {
    background: rgba(225, 245, 254, 0.6);
    padding: 2rem 1rem;
    border-radius: 40px;
    border: 2px solid rgba(66, 165, 245, 0.15);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.8), 0 6px 0 #42a5f5;
    margin-bottom: 2rem;
    overflow-x: auto;
}
.zitie-pages {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.zitie-page {
    background: white;
    padding: 15mm 12mm;
    width: 210mm;
    min-height: 297mm;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    box-sizing: border-box;
    overflow: hidden;
}

/* 一行 */
.zitie-row {
    display: flex;
    justify-content: flex-start;
    flex-wrap: nowrap;
    margin-bottom: 4mm;
}

/* 一个格子 */
.zitie-cell {
    position: relative;
    flex: 0 0 auto;
    box-sizing: border-box;
}

/* ---- 字格 ---- */
.zi-ge {
    position: relative;
    box-sizing: border-box;
    border: 1px solid var(--grid-color, #66bb6a);
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    width: 100%;
    height: 100%;
}

/* 田字格 */
.zi-ge.grid-tian::before {
    content: ''; position: absolute;
    left: 0; right: 0; top: 50%;
    border-top: 1px dashed var(--grid-color, #66bb6a);
}
.zi-ge.grid-tian::after {
    content: ''; position: absolute;
    top: 0; bottom: 0; left: 50%;
    border-left: 1px dashed var(--grid-color, #66bb6a);
}

/* 米字格 */
.zi-ge.grid-mi::before {
    content: ''; position: absolute;
    left: 0; right: 0; top: 50%;
    border-top: 1px dashed var(--grid-color, #66bb6a);
}
.zi-ge.grid-mi::after {
    content: ''; position: absolute;
    top: 0; bottom: 0; left: 50%;
    border-left: 1px dashed var(--grid-color, #66bb6a);
}
.zi-ge.grid-mi {
    background-image:
        linear-gradient(45deg, transparent 49.5%, var(--grid-color, #66bb6a) 49.5%, var(--grid-color, #66bb6a) 50.5%, transparent 50.5%),
        linear-gradient(-45deg, transparent 49.5%, var(--grid-color, #66bb6a) 49.5%, var(--grid-color, #66bb6a) 50.5%, transparent 50.5%);
    background-size: 100% 100%;
}

/* 回宫格 */
.zi-ge.grid-huigong::before {
    content: ''; position: absolute;
    left: 0; right: 0; top: 50%;
    border-top: 1px dashed var(--grid-color, #66bb6a);
}
.zi-ge.grid-huigong::after {
    content: ''; position: absolute;
    top: 0; bottom: 0; left: 50%;
    border-left: 1px dashed var(--grid-color, #66bb6a);
}
.zi-ge.grid-huigong .inner-box {
    position: absolute;
    top: 25%; left: 25%; right: 25%; bottom: 25%;
    border: 1px dashed var(--grid-color, #66bb6a);
}

/* 横线格 */
.zi-ge.grid-hengxian {
    border: none;
    border-top: 1px solid var(--grid-color, #66bb6a);
    border-bottom: 1px solid var(--grid-color, #66bb6a);
}

/* 字 */
.zitie-char {
    line-height: 1;
    display: inline-block;
    user-select: none;
    z-index: 1;
    position: relative;
}
.zitie-char.font-kaiti_gb2312 {
    font-family: 'KaiTiGB', '楷体', 'KaiTi', 'STKaiti', serif;
}

.zitie-char.font-system {
    font-family: '楷体', 'KaiTi', 'STKaiti', serif;
}

.zitie-page {
    background: white;
    padding: 15mm 12mm;
    width: 210mm;
    min-height: 297mm;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    box-sizing: border-box;
    overflow: hidden;
    position: relative;
    display: flex;
    flex-direction: column;
}

/* ==================== 页眉 ==================== */
.zitie-header {
    text-align: center;
    padding-bottom: 6px;
    margin-bottom: 8mm;
    border-bottom: 1px dashed #c5c5c5;
}
.zitie-header-title {
    font-size: 12pt;
    font-weight: 700;
    color: #1976d2;
    letter-spacing: 1px;
    line-height: 1.4;
}
.zitie-header-url {
    font-size: 8.5pt;
    color: #90a4ae;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* ==================== 页脚 ==================== */
.zitie-footer {
    margin-top: auto;
    padding-top: 6px;
    border-top: 1px dashed #c5c5c5;
    text-align: center;
}
.zitie-footer-text {
    font-size: 8.5pt;
    color: #90a4ae;
    line-height: 1.4;
}
.zitie-footer-url {
    font-size: 8pt;
    color: #1976d2;
    letter-spacing: 0.5px;
    margin-top: 2px;
}
.zitie-footer-date {
    font-size: 8pt;
    color: #b0bec5;
    margin-top: 2px;
    letter-spacing: 0.5px;
}

/* 字帖内容区（在页眉页脚之间） */
.zitie-body {
    flex: 1;
    overflow: hidden;
}

/* ==================== 打印样式 ==================== */
@media print {
    .sidebar, .menu-toggle, .sidebar-overlay, #menuToggle,
    .zitie-config, .config-actions, .limit-tip,
    h1, .main-card > h1,
    .toolbar {
        display: none !important;
    }
    body, html { background: white !important; margin: 0 !important; padding: 0 !important; }
    .main-card {
        box-shadow: none !important; border: none !important;
        padding: 0 !important; margin: 0 !important; background: white !important;
    }
    .zitie-preview { background: white !important; padding: 0 !important; border-radius: 0 !important; }
    .zitie-pages { gap: 0 !important; }
    .zitie-page {
        width: 100% !important; min-height: auto !important;
        padding: 10mm !important; margin: 0 !important;
        box-shadow: none !important; page-break-after: always;
    }
    .zitie-page:last-child { page-break-after: auto; }
    .zitie-header,
    .zitie-footer {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }

    @page { size: A4 portrait; margin: 0; }

    .zi-ge, .zitie-char, .zi-ge::before, .zi-ge::after {
        -webkit-print-color-adjust: exact !important;
        print-color-adjust: exact !important;
    }
}

/* ==================== 移动端 ==================== */
@media (max-width: 768px) {
    .zitie-config { padding: 1.2rem 1rem; }
    .config-row-inline { grid-template-columns: 1fr; }
    .zitie-preview { padding: 1rem 0.5rem; }
    .zitie-page {
        width: 100% !important; min-height: auto !important;
        padding: 8mm 6mm !important;
    }
}