/* ==========================================================
   志愿新闻发布插件 - 前端样式 v2.0
   ========================================================== */

/* ============================================================
   1. 基础变量
   ============================================================ */
:root {
    --vn-primary:        #4a90e2;
    --vn-primary-dark:   #357abd;
    --vn-primary-darker: #2563a8;
    --vn-primary-light:  #eaf3fd;
    --vn-primary-glow:   rgba(74, 144, 226, 0.13);

    --vn-danger:         #d63031;
    --vn-danger-light:   #fff2f2;
    --vn-danger-border:  #ffd6d6;

    --vn-success:        #27ae60;
    --vn-success-light:  #e8f8ef;
    --vn-success-text:   #1e7e4b;

    --vn-warning-bg:     #fdecea;
    --vn-warning-text:   #b03534;

    --vn-text:           #2c3e50;
    --vn-text-light:     #55657d;
    --vn-text-muted:     #8694a8;
    --vn-text-faint:     #aab4c3;

    --vn-bg:             #ffffff;
    --vn-bg-soft:        #fbfcfe;
    --vn-bg-hover:       #f0f6ff;

    --vn-border:         #d8dee6;
    --vn-border-soft:    #e8eef5;
    --vn-border-light:   #eef2f6;

    --vn-radius-sm:      6px;
    --vn-radius:         8px;
    --vn-radius-lg:      10px;
    --vn-radius-xl:      14px;

    --vn-shadow-sm:      0 2px 6px rgba(74, 144, 226, 0.3);
    --vn-shadow:         0 4px 12px rgba(74, 144, 226, 0.32);
    --vn-shadow-lg:      0 8px 18px rgba(74, 144, 226, 0.45);
    --vn-shadow-card:    0 6px 28px rgba(0, 0, 0, 0.07);

    --vn-transition:     all 0.2s ease;
}

/* ============================================================
   2. 通用容器（居中）
   ============================================================ */
.vn-form-wrapper,
.vn-user-news {
    max-width: 820px;
    margin: 24px auto;
    padding: 32px 36px;
    background: var(--vn-bg);
    border-radius: var(--vn-radius-xl);
    box-shadow: var(--vn-shadow-card);
    border: 1px solid #eceff3;
    box-sizing: border-box;
    font-size: 15px;
    color: var(--vn-text);
    line-height: 1.7;
    font-family: inherit;
}

.vn-form-wrapper h3,
.vn-user-news h3 {
    margin: 0 0 22px;
    padding-bottom: 14px;
    font-size: 22px;
    color: #1f2d3d;
    font-weight: 700;
    letter-spacing: 0.3px;
    border-bottom: 2px solid #f0f4f9;
}

/* ============================================================
   3. 提示消息
   ============================================================ */
.vn-notice {
    max-width: 820px;
    margin: 16px auto;
    padding: 14px 20px;
    border-radius: var(--vn-radius-lg);
    font-size: 14px;
    font-weight: 500;
    box-sizing: border-box;
    animation: vn-fade-in 0.4s ease;
}

.vn-notice-success {
    background: var(--vn-success-light);
    color: var(--vn-success-text);
    border-left: 4px solid var(--vn-success);
}

.vn-notice-error,
.vn-notice-warning {
    background: var(--vn-warning-bg);
    color: var(--vn-warning-text);
    border-left: 4px solid #e74c3c;
}

.vn-notice a {
    color: inherit;
    font-weight: 700;
    text-decoration: underline;
}

@keyframes vn-fade-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   4. 表单分组
   ============================================================ */
.vn-form-group {
    margin-bottom: 22px;
}

.vn-form-group > label {
    display: block;
    margin-bottom: 9px;
    font-weight: 600;
    color: var(--vn-text);
    font-size: 14px;
}

.vn-form-group > label .required {
    color: #e74c3c;
    margin-left: 2px;
    font-weight: 700;
}

/* ============================================================
   5. 文本输入框
   ============================================================ */
.vn-input {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--vn-border);
    border-radius: var(--vn-radius);
    font-size: 14px;
    background: var(--vn-bg-soft);
    color: var(--vn-text);
    box-sizing: border-box;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.vn-input:focus {
    outline: none;
    border-color: var(--vn-primary);
    background: var(--vn-bg);
    box-shadow: 0 0 0 3px var(--vn-primary-glow);
}

.vn-input::placeholder {
    color: var(--vn-text-faint);
}

/* ============================================================
   6. 单选下拉框（自定义箭头）
   ============================================================ */
.vn-select {
    width: 100%;
    padding: 11px 42px 11px 14px;
    border: 1px solid var(--vn-border);
    border-radius: var(--vn-radius);
    font-size: 14px;
    background-color: var(--vn-bg-soft);
    color: var(--vn-text);
    cursor: pointer;
    box-sizing: border-box;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;

    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;

    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7a90' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    background-size: 14px;
}

.vn-select:focus {
    outline: none;
    border-color: var(--vn-primary);
    background-color: var(--vn-bg);
    box-shadow: 0 0 0 3px var(--vn-primary-glow);
}

.vn-select option {
    padding: 8px;
    color: var(--vn-text);
}

/* ============================================================
   7. 多选标签 chip
   ============================================================ */
.vn-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    padding: 14px;
    background: var(--vn-bg-soft);
    border: 1px solid var(--vn-border);
    border-radius: var(--vn-radius);
    min-height: 52px;
    box-sizing: border-box;
}

.vn-checkbox-chip {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    margin: 0;
}

.vn-checkbox-chip input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.vn-checkbox-chip span {
    display: inline-block;
    padding: 7px 16px;
    border-radius: 20px;
    border: 1.5px solid var(--vn-border);
    background: #ffffff;
    color: #4a5568;
    font-size: 13.5px;
    font-weight: 500;
    line-height: 1.3;
    transition: all 0.18s ease;
}

.vn-checkbox-chip:hover span {
    border-color: var(--vn-primary);
    color: var(--vn-primary-dark);
    background: var(--vn-bg-hover);
}

.vn-checkbox-chip input:checked + span {
    background: linear-gradient(135deg, var(--vn-primary) 0%, var(--vn-primary-dark) 100%);
    border-color: var(--vn-primary-dark);
    color: #ffffff;
    box-shadow: 0 3px 8px rgba(74, 144, 226, 0.28);
}

.vn-checkbox-chip input:focus + span {
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.vn-checkbox-chip input:checked:focus + span {
    box-shadow: 0 3px 8px rgba(74, 144, 226, 0.28), 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.vn-checkbox-empty {
    color: var(--vn-text-muted);
    font-size: 13.5px;
    padding: 4px 0;
}

/* ============================================================
   8. 文件上传
   ============================================================ */
.vn-file {
    display: block;
    width: 100%;
    padding: 14px 16px;
    border: 2px dashed #c8d3e0;
    border-radius: var(--vn-radius-lg);
    background: #f8fafc;
    cursor: pointer;
    font-size: 13.5px;
    color: var(--vn-text-light);
    box-sizing: border-box;
    transition: all 0.2s ease;
}

.vn-file:hover {
    border-color: var(--vn-primary);
    background: var(--vn-bg-hover);
    color: var(--vn-primary-dark);
}

.vn-file:focus {
    outline: none;
    border-color: var(--vn-primary);
    box-shadow: 0 0 0 3px var(--vn-primary-glow);
}

/* ============================================================
   9. 提示文字
   ============================================================ */
.vn-field-hint {
    margin: 9px 0 0;
    font-size: 12.5px;
    color: var(--vn-text-muted);
    line-height: 1.6;
}

.vn-field-hint strong {
    color: #e67e22;
    font-weight: 700;
}

/* ============================================================
   10. 按钮
   ============================================================ */
.vn-form-actions {
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid var(--vn-border-light);
    text-align: center;
}

.vn-btn {
    display: inline-block;
    padding: 12px 40px;
    border-radius: var(--vn-radius);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    text-decoration: none;
    cursor: pointer;
    border: none;
    font-family: inherit;
    transition: all 0.2s ease;
}

.vn-btn-primary {
    background: linear-gradient(135deg, var(--vn-primary) 0%, var(--vn-primary-dark) 100%);
    color: #ffffff;
    box-shadow: var(--vn-shadow);
}

.vn-btn-primary:hover,
.vn-btn-primary:focus {
    background: linear-gradient(135deg, var(--vn-primary-dark) 0%, var(--vn-primary-darker) 100%);
    box-shadow: var(--vn-shadow-lg);
    color: #ffffff;
    transform: translateY(-1px);
}

.vn-btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--vn-shadow-sm);
}

.vn-btn-danger {
    background: var(--vn-danger-light);
    color: var(--vn-danger);
    border: 1px solid var(--vn-danger-border);
}

.vn-btn-danger:hover {
    background: var(--vn-danger);
    color: #ffffff;
    border-color: var(--vn-danger);
    box-shadow: 0 4px 10px rgba(214, 48, 49, 0.3);
}

.vn-btn-small {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: var(--vn-radius-sm);
}

/* ============================================================
   11. 富文本编辑器（仅可视化模式）
   ============================================================ */
.vn-form-group .wp-editor-wrap {
    border-radius: var(--vn-radius-lg);
    overflow: hidden;
    border: 1px solid var(--vn-border);
    background: var(--vn-bg);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.vn-form-group .wp-editor-wrap:focus-within {
    border-color: var(--vn-primary);
    box-shadow: 0 0 0 3px var(--vn-primary-glow);
}

/* 隐藏"可视化 / 代码"切换标签 */
.vn-form-group .wp-switch-editor,
.vn-form-group .wp-editor-tabs {
    display: none !important;
}

.vn-form-group .wp-editor-tools {
    padding: 0 !important;
    background: transparent !important;
    border-bottom: none !important;
}

.vn-form-group .wp-editor-container {
    border: none;
}

/* ============================================================
   12. 编辑器下方实时字符统计
   ============================================================ */
.vn-char-counter {
    margin-top: 9px;
    text-align: right;
    font-size: 12.5px;
    color: var(--vn-text-muted);
    line-height: 1.5;
}

.vn-char-counter .vn-char-num {
    color: var(--vn-primary-dark);
    font-weight: 700;
    font-size: 14px;
    margin: 0 2px;
}

.vn-char-counter .vn-char-unit {
    color: var(--vn-text-muted);
    margin-left: 2px;
}

/* ============================================================
   13. 特色图片预览
   ============================================================ */
#vn-image-preview {
    margin-top: 12px;
    padding: 8px;
    background: #f8fafc;
    border-radius: var(--vn-radius-lg);
    border: 1px solid var(--vn-border-soft);
    display: inline-block;
}

#vn-image-preview img {
    display: block;
    max-width: 410px;
    width: 100%;
    height: auto;
    border-radius: var(--vn-radius-sm);
}

/* ============================================================
   14. 我的新闻管理区
   ============================================================ */
.vn-user-news {
    margin-top: 32px;
}

.vn-user-news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 10px;
}

.vn-count-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--vn-primary-light);
    color: var(--vn-primary-dark);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.vn-page-badge {
    display: inline-block;
    padding: 4px 12px;
    background: #f0f4f9;
    color: #5a6b81;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* ============================================================
   15. 数据表格
   ============================================================ */
.vn-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--vn-radius-lg);
    overflow: hidden;
    border: 1px solid var(--vn-border-soft);
    font-size: 14px;
}

.vn-table thead {
    background: #f4f8fc;
}

.vn-table th {
    text-align: left;
    padding: 13px 16px;
    font-weight: 600;
    color: #4a5568;
    font-size: 12.5px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--vn-border-soft);
}

.vn-table td {
    padding: 15px 16px;
    border-bottom: 1px solid #eef3f8;
    color: var(--vn-text);
    vertical-align: middle;
}

.vn-table tbody tr:last-child td {
    border-bottom: none;
}

.vn-table tbody tr {
    transition: background 0.15s ease;
}

.vn-table tbody tr:hover {
    background: #fafcff;
}

.vn-table a {
    color: var(--vn-primary-dark);
    text-decoration: none;
    font-weight: 500;
}

.vn-table a:hover {
    text-decoration: underline;
}

/* 状态徽章 */
.vn-status {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.vn-status-publish { background: var(--vn-success-light); color: var(--vn-success-text); }
.vn-status-pending { background: #fff8e5; color: #b8860b; }
.vn-status-draft   { background: #eef1f5; color: #5a6b81; }

/* ============================================================
   16. 空状态
   ============================================================ */
.vn-empty {
    padding: 40px 20px;
    text-align: center;
    color: var(--vn-text-muted);
    background: #f8fafc;
    border-radius: var(--vn-radius-lg);
    border: 1px dashed var(--vn-border);
    font-size: 14px;
}

.vn-empty-icon {
    font-size: 34px;
    display: block;
    margin-bottom: 8px;
    opacity: 0.6;
}

/* ============================================================
   17. 分页
   ============================================================ */
.vn-pagination {
    margin: 22px 0 0;
    text-align: center;
}

.vn-pagination ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
}

.vn-pagination li {
    margin: 0;
}

.vn-pagination .page-numbers {
    display: inline-block;
    min-width: 38px;
    padding: 8px 12px;
    border-radius: var(--vn-radius);
    border: 1px solid var(--vn-border);
    background: #ffffff;
    color: #4a5568;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: all 0.18s ease;
}

.vn-pagination .page-numbers:hover {
    border-color: var(--vn-primary);
    color: var(--vn-primary-dark);
    background: var(--vn-bg-hover);
    transform: translateY(-1px);
}

.vn-pagination .page-numbers.current {
    background: linear-gradient(135deg, var(--vn-primary) 0%, var(--vn-primary-dark) 100%);
    border-color: var(--vn-primary-dark);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(74, 144, 226, 0.3);
    cursor: default;
}

.vn-pagination .page-numbers.dots {
    border: none;
    background: transparent;
    min-width: auto;
    padding: 8px 4px;
    color: var(--vn-text-faint);
    cursor: default;
}

.vn-pagination .page-numbers.dots:hover {
    transform: none;
    background: transparent;
    border: none;
    color: var(--vn-text-faint);
}

/* ============================================================
   18. 响应式
   ============================================================ */
@media (max-width: 640px) {
    .vn-form-wrapper,
    .vn-user-news {
        padding: 22px 18px;
        border-radius: var(--vn-radius-lg);
        margin: 16px 12px;
    }

    .vn-form-wrapper h3,
    .vn-user-news h3 {
        font-size: 19px;
    }

    .vn-btn-primary {
        width: 100%;
        padding: 13px 20px;
    }

    .vn-table th:nth-child(3),
    .vn-table td:nth-child(3) {
        display: none;
    }

    .vn-table th,
    .vn-table td {
        padding: 10px 10px;
        font-size: 13px;
    }

    .vn-pagination .page-numbers {
        min-width: 34px;
        padding: 7px 10px;
        font-size: 13px;
    }

    .vn-checkbox-group {
        padding: 12px;
        gap: 8px;
    }

    .vn-checkbox-chip span {
        padding: 6px 13px;
        font-size: 13px;
    }
}

/* ============================================================
   19. 打印（可选）
   ============================================================ */
@media print {
    .vn-form-wrapper,
    .vn-pagination,
    .vn-btn {
        display: none !important;
    }
}

/* ============================================================
   编辑器内图片上传按钮栏
   ============================================================ */
.vn-editor-toolbar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.vn-btn-insert-image {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--vn-radius);
    border: 1px solid var(--vn-border);
    background: #ffffff;
    color: #4a5568;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    line-height: 1.4;
    transition: all 0.18s ease;
}

.vn-btn-insert-image:hover:not(:disabled) {
    border-color: var(--vn-primary);
    color: var(--vn-primary-dark);
    background: var(--vn-bg-hover);
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(74, 144, 226, 0.15);
}

.vn-btn-insert-image:active:not(:disabled) {
    transform: translateY(0);
}

.vn-btn-insert-image:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.vn-editor-hint {
    font-size: 12.5px;
    color: var(--vn-text-muted);
    line-height: 1.4;
}


/* 志愿新闻正文默认字体 */
.single-volunteer_news .entry-content,
.single-volunteer_news .post-content,
article.volunteer_news .entry-content {
    font-family: "Microsoft YaHei", "微软雅黑", "PingFang SC", "Hiragino Sans GB", "Helvetica Neue", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.8;
    color: #2c3e50;
}

.single-volunteer_news .entry-content img,
article.volunteer_news .entry-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.single-volunteer_news .entry-content p {
    margin: 0 0 1em;
}



/* ============================================================
   ★ 标签输入（自由输入，最多 N 个）
   ============================================================ */
.vn-tag-input-wrapper {
    width: 100%;
}

.vn-tag-input-box {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 7px;
    min-height: 46px;
    padding: 7px 10px;
    border: 1px solid var(--vn-border);
    border-radius: var(--vn-radius);
    background: var(--vn-bg-soft);
    cursor: text;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.vn-tag-input-box:focus-within {
    border-color: var(--vn-primary);
    background: #ffffff;
    box-shadow: 0 0 0 3px var(--vn-primary-glow);
}

.vn-tag-input-field {
    flex: 1;
    min-width: 140px;
    border: none !important;
    outline: none !important;
    background: transparent !important;
    font-size: 14px;
    color: var(--vn-text);
    padding: 5px 4px !important;
    font-family: inherit;
    line-height: 1.4;
    box-shadow: none !important;
}

.vn-tag-input-field:disabled {
    cursor: not-allowed;
}

.vn-tag-input-field::placeholder {
    color: var(--vn-text-faint);
}

/* 标签 chip */
.vn-tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 8px 5px 12px;
    background: linear-gradient(135deg, var(--vn-primary) 0%, var(--vn-primary-dark) 100%);
    color: #ffffff;
    border-radius: 16px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.4;
    box-shadow: 0 2px 6px rgba(74, 144, 226, 0.25);
    animation: vn-tag-pop 0.18s ease;
}

@keyframes vn-tag-pop {
    from { transform: scale(0.85); opacity: 0; }
    to   { transform: scale(1);    opacity: 1; }
}

.vn-tag-chip-text {
    white-space: nowrap;
    max-width: 180px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.vn-tag-chip-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.22);
    color: #ffffff;
    font-size: 14px;
    line-height: 1;
    cursor: pointer;
    transition: background 0.15s ease;
    user-select: none;
    padding-bottom: 2px;
}

.vn-tag-chip-remove:hover {
    background: rgba(255, 255, 255, 0.4);
}

/* 标签下方的小字提示 */
.vn-tag-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 8px;
    font-size: 12.5px;
    color: var(--vn-text-muted);
    flex-wrap: wrap;
    gap: 8px;
}

#vn-tag-count {
    color: var(--vn-primary-dark);
    font-weight: 700;
}

.vn-tag-tip kbd {
    display: inline-block;
    padding: 1px 6px;
    font-size: 11.5px;
    font-family: inherit;
    background: #f0f4f9;
    border: 1px solid #d8dee6;
    border-bottom-width: 2px;
    border-radius: 4px;
    color: #4a5568;
    line-height: 1.4;
}

/* 常用标签快捷建议 */
.vn-tag-suggest {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 10px 12px;
    background: #f8fafc;
    border-radius: var(--vn-radius);
    border: 1px dashed var(--vn-border);
}

.vn-tag-suggest-label {
    font-size: 12.5px;
    color: var(--vn-text-muted);
    margin-right: 4px;
}

.vn-tag-suggest-item {
    display: inline-block;
    padding: 4px 11px;
    background: #ffffff;
    border: 1px solid var(--vn-border);
    border-radius: 16px;
    color: #4a5568;
    font-size: 12.5px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    line-height: 1.4;
    transition: all 0.16s ease;
}

.vn-tag-suggest-item:hover {
    border-color: var(--vn-primary);
    color: var(--vn-primary-dark);
    background: var(--vn-bg-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 5px rgba(74, 144, 226, 0.15);
}

.vn-tag-suggest-item:active {
    transform: translateY(0);
}

/* ============================================================
   后台"志愿新闻"菜单
   ============================================================ */
body.toplevel_page_vn-news-list .wp-list-table td {
    vertical-align: middle;
}

/* 菜单图标颜色（可选） */
#toplevel_page_vn-news-list .wp-menu-image::before {
    color: #4a90e2;
}

@media (max-width: 640px) {
    .vn-tag-chip-text {
        max-width: 100px;
    }
    .vn-tag-input-field {
        min-width: 100px;
    }
}