/* ========================================
   词义百科 · 克制极简·静态词典风
   ======================================== */

/* 全局重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-page: #f8f9fb;
    --bg-card: #ffffff;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #aeaeb2;
    --border-light: #e5e5ea;
    --border-faint: #f2f2f7;
    --accent-line: #c7c7cc;
    --dot-color: #b0b0b8;
    --radius-sm: 6px;
    --radius-md: 10px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    line-height: 1.8;
    color: var(--text-primary);
    background-color: var(--bg-page);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 页面容器 */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 64px 32px 80px;
}

/* ===== 头部 ===== */
header {
    text-align: center;
    margin-bottom: 56px;
}

.brand {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.12em;
    margin-bottom: 28px;
}

.search-box {
    display: flex;
    justify-content: center;
    gap: 0;
    max-width: 480px;
    margin: 0 auto;
}

.search-box input {
    flex: 1;
    padding: 11px 18px;
    border: 1px solid var(--border-light);
    border-right: none;
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
    font-size: 0.92rem;
    color: var(--text-primary);
    background: var(--bg-card);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-box input::placeholder {
    color: var(--text-tertiary);
}

.search-box input:focus {
    border-color: var(--accent-line);
    box-shadow: 0 0 0 3px rgba(120, 120, 128, 0.08);
}

.search-box button {
    padding: 11px 22px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    cursor: pointer;
    font-size: 0.88rem;
    letter-spacing: 0.04em;
    transition: background 0.2s;
}

.search-box button:hover {
    background: var(--border-faint);
}

/* ===== 主内容区 ===== */
main {
    margin-bottom: 80px;
}

.word-content {
    background: transparent;
}

.placeholder {
    text-align: center;
    padding: 80px 0;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ===== 词条头部 ===== */
.word-header {
    margin-bottom: 40px;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--border-faint);
}

.word-title {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    font-size: 2.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 14px;
    letter-spacing: 0.04em;
    line-height: 1.3;
}

.word-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 18px;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.word-meta span {
    display: inline-flex;
    align-items: center;
}

/* 栏目标签 */
.word-columns {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 4px;
}

.word-column {
    display: inline-block;
    font-size: 0.76rem;
    color: var(--text-secondary);
    padding: 3px 10px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    letter-spacing: 0.02em;
}

/* 时间戳 */
.word-timestamp {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

.word-timestamp span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.word-timestamp .ts-label {
    color: var(--text-tertiary);
}

/* ===== 区块通用 ===== */
.section {
    margin-bottom: 36px;
}

.section-title {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-faint);
    letter-spacing: 0.08em;
}

/* ===== 词义部分 ===== */
.meaning-list {
    list-style: none;
}

.meaning-item {
    position: relative;
    padding: 14px 0 14px 22px;
    margin-bottom: 6px;
    border-left: 2px solid var(--border-light);
}

/* 圆形小点标记义项 */
.meaning-item::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 20px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dot-color);
}

.meaning-text {
    font-size: 0.95rem;
    line-height: 1.9;
    color: var(--text-primary);
}

.meaning-text p {
    margin-bottom: 0.5em;
}

.meaning-text p:last-child {
    margin-bottom: 0;
}

.meaning-text blockquote {
    border-left: 2px solid var(--accent-line);
    padding-left: 14px;
    margin: 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.meaning-text code {
    background: var(--border-faint);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88em;
}

.meaning-text pre {
    background: var(--border-faint);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 8px 0;
    font-size: 0.85rem;
}

.meaning-text a {
    color: var(--text-secondary);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-line);
    transition: color 0.2s;
}

.meaning-text a:hover {
    color: var(--text-primary);
}

.meaning-meta {
    font-size: 0.78rem;
    color: var(--text-tertiary);
    margin-top: 6px;
}

.meaning-meta span {
    margin-right: 14px;
}

/* ===== 来源部分 ===== */
.source-content {
    position: relative;
    padding-left: 22px;
    border-left: 2px solid var(--border-light);
}

.source-content::before {
    content: "";
    position: absolute;
    left: -5px;
    top: 8px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--dot-color);
}

/* ===== 同义词 / 相关词 ===== */
.synonym-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    list-style: none;
}

.synonym-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 1px dotted var(--accent-line);
    transition: color 0.2s;
    padding: 2px 0;
}

.synonym-item:hover {
    color: var(--text-primary);
}

.synonym-meta {
    display: none;
}

/* ===== 管理功能 ===== */
#managementSection {
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--border-faint);
}

.management-group {
    margin-bottom: 20px;
}

.management-group h4 {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.management-form {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.management-form textarea,
.management-form input[type="text"] {
    flex: 1;
    padding: 9px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-primary);
    background: var(--bg-card);
    outline: none;
    resize: vertical;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.management-form textarea:focus,
.management-form input[type="text"]:focus {
    border-color: var(--accent-line);
    box-shadow: 0 0 0 3px rgba(120, 120, 128, 0.08);
}

.management-form button {
    padding: 9px 18px;
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.82rem;
    transition: background 0.2s;
}

.management-form button:hover {
    background: var(--border-faint);
}

.management-form .delete-btn {
    color: #c44;
    border-color: #e8c8c8;
}

.management-form .delete-btn:hover {
    background: #fef5f5;
}

/* 复选框 */
.checkbox-label {
    display: inline-flex;
    align-items: center;
    margin-right: 12px;
    margin-bottom: 8px;
    font-size: 0.82rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 5px;
}

/* 编辑按钮 */
.edit-btn,
.save-btn,
.cancel-btn {
    padding: 4px 12px;
    background: var(--bg-card);
    color: var(--text-tertiary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.78rem;
    margin-left: 6px;
    transition: background 0.2s, color 0.2s;
}

.edit-btn:hover,
.save-btn:hover,
.cancel-btn:hover {
    background: var(--border-faint);
    color: var(--text-secondary);
}

.delete-btn {
    padding: 4px 12px;
    background: var(--bg-card);
    color: #c44;
    border: 1px solid #e8c8c8;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.78rem;
    margin-left: 6px;
    transition: background 0.2s;
}

.delete-btn:hover {
    background: #fef5f5;
}

.edit-meaning-textarea {
    width: 100%;
    min-height: 60px;
    padding: 9px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text-primary);
    resize: vertical;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.edit-meaning-textarea:focus {
    border-color: var(--accent-line);
    box-shadow: 0 0 0 3px rgba(120, 120, 128, 0.08);
}

/* 词义详情链接 */
.meaning-detail-link {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-line);
    margin-left: 8px;
    transition: color 0.2s;
}

.meaning-detail-link:hover {
    color: var(--text-secondary);
}

/* ===== 页脚 ===== */
footer {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--border-faint);
    color: var(--text-tertiary);
    font-size: 0.78rem;
    letter-spacing: 0.03em;
}

footer p {
    margin-bottom: 4px;
}

footer a {
    color: var(--text-tertiary);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-line);
}

footer a:hover {
    color: var(--text-secondary);
}

/* ===== 加载状态 ===== */
.loading {
    text-align: center;
    padding: 48px 0;
    color: var(--text-tertiary);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
}

/* ===== 错误信息 ===== */
.error {
    text-align: center;
    padding: 32px 0;
    color: #a06060;
    font-size: 0.9rem;
}

/* ===== 响应式 ===== */
@media (max-width: 768px) {
    .container {
        padding: 40px 20px 60px;
    }

    header {
        margin-bottom: 44px;
    }

    .brand {
        font-size: 1.2rem;
    }

    .word-title {
        font-size: 2rem;
    }

    .search-box {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 28px 16px 48px;
    }

    .word-title {
        font-size: 1.7rem;
    }

    .word-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .word-timestamp {
        flex-direction: column;
        gap: 2px;
    }
}