/* ==========================================================================
   文章评论组件 — 与站点评论区保持同一套设计语言
   ========================================================================== */

.post-comments {
    background: var(--bg-card, #fff);
    border-radius: 5px;
    padding: 16px;
    margin: 0 0 14px;
    color: var(--text-primary, #1e293b);
}

/* ---------- 头部 ---------- */
.post-comments__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 20px;
}

.post-comments__title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #1e293b);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 6px;
    line-height: 1;
}

.post-comments__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 22px;
    padding: 2px 8px;
    background: var(--bg-secondary, #f1f5f9);
    color: var(--text-muted, #94a3b8);
    border-radius: 10px;
    font-size: 13px;
    font-weight: 400;
    line-height: 1;
}

/* ---------- 表单 ---------- */
.post-comments__form {
    margin: 0 0 24px;
}

.post-comments__form-row {
    display: flex;
    gap: 12px;
    margin: 0 0 10px;
}

.post-comments__input,
.post-comments__textarea {
    width: 100%;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--text-secondary, #334155);
    background: var(--bg-card, #fff);
    border: 0.8px solid var(--border-input, #e2e8f0);
    border-radius: 3px;
    box-sizing: border-box;
    font-family: inherit;
    line-height: 1.5;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.post-comments__textarea {
    padding: 10px 12px;
    resize: vertical;
    min-height: 67px;
    display: block;
}

.post-comments__input:focus,
.post-comments__textarea:focus {
    outline: none;
    border-color: var(--theme-color, #41B883);
}

/* 字段被 JS 标记为无效时（添加 .is-invalid 类） */
.post-comments__input.is-invalid,
.post-comments__textarea.is-invalid {
    border-color: var(--color-danger, #ef4444);
    background: rgba(239, 68, 68, 0.03);
}

.post-comments__input.is-invalid:focus,
.post-comments__textarea.is-invalid:focus {
    border-color: var(--color-danger, #ef4444);
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.12);
}

.post-comments__form-body {
    position: relative;
}

.post-comments__form-foot {
    display: flex;
    align-items: center;
    gap: 0;
    margin-top: 10px;
}

.post-comments__form-left {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 27px;
}

/* ---------- 校验提示气泡 ---------- */
.post-comments__msg {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    line-height: 1;
    color: var(--text-secondary, #475569);
    transition: opacity 0.2s;
}

.post-comments__msg:not(:empty)::before {
    content: '';
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background-position: center;
    background-repeat: no-repeat;
    background-size: contain;
}

.post-comments__msg:empty {
    display: none;
}

.post-comments__msg.is-error {
    color: var(--color-danger, #ef4444);
    background: var(--color-danger-bg, rgba(239, 68, 68, 0.08));
    padding: 5px 10px 5px 8px;
    border-radius: 4px;
    border: 1px solid var(--color-danger-border, rgba(239, 68, 68, 0.18));
    font-weight: 500;
}

.post-comments__msg.is-error:not(:empty)::before {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23ef4444' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><circle cx='12' cy='12' r='10'/><line x1='12' y1='8' x2='12' y2='12'/><line x1='12' y1='16' x2='12.01' y2='16'/></svg>");
}

.post-comments__msg.is-success {
    color: var(--color-success, #10b981);
    background: var(--color-success-bg, rgba(16, 185, 129, 0.08));
    padding: 5px 10px 5px 8px;
    border-radius: 4px;
    border: 1px solid var(--color-success-border, rgba(16, 185, 129, 0.18));
    font-weight: 500;
}

.post-comments__msg.is-success:not(:empty)::before {
    background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2310b981' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'><polyline points='20 6 9 17 4 12'/></svg>");
}

.post-comments__submit {
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 400;
    color: #fff;
    background: #41B883;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.post-comments__submit:hover {
    opacity: 0.88;
}

.post-comments__submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.post-comments__cancel {
    padding: 8px 14px;
    font-size: 13px;
    color: var(--text-secondary, #475569);
    background: transparent;
    border: 0.8px solid var(--border-input, #e2e8f0);
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.post-comments__cancel:hover {
    background: var(--bg-hover, #f1f5f9);
}

/* ---------- 列表 ---------- */
.post-comments__list {
    padding-top: 16px;
    border-top: 0.8px solid var(--border-secondary, #f1f5f9);
}

.post-comments__empty {
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted, #94a3b8);
    font-size: 14px;
}

.post-comments__item {
    /* 容器本身无样式，子项通过 .post-comments__main 控制间距 */
}

.post-comments__main {
    display: flex;
    gap: 12px;
    padding: 12px 0;
}

/* ---------- 头像 ---------- */
.post-comments__avatar {
    flex-shrink: 0;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--bg-secondary, #f1f5f9);
}

.post-comments__avatar img {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    display: block;
    object-fit: cover;
}

/* ---------- 评论主体 ---------- */
.post-comments__body {
    flex: 1;
    min-width: 0;
}

.post-comments__meta {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0 0 6px;
}

.post-comments__author {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary, #334155);
}

.post-comments__author-badge {
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: middle;
}

.post-comments__date {
    font-size: 12px;
    color: var(--text-muted, #94a3b8);
}

.post-comments__content {
    font-size: 14px;
    line-height: 22.4px;
    color: var(--text-secondary, #475569);
    word-break: break-word;
    overflow-wrap: anywhere;
}

.post-comments__content p {
    margin: 0;
}

/* ---------- 表情预览 ---------- */
.post-comments__face-preview {
    margin-top: 4px;
    min-height: 24px;
    font-size: 14px;
    line-height: 1.6;
    word-break: break-all;
}

.post-comments__face-preview:not([hidden]) {
    margin-bottom: 8px;
}

/* ---------- 表情面板 ---------- */
.post-comments__face-panel {
    position: absolute;
    left: 0;
    width: 100%;
    max-width: 600px;
    box-sizing: border-box;
    z-index: 10;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 10px;
    margin-top: 4px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: 3px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    max-height: 200px;
    overflow-y: auto;
}

.post-comments__face-item {
    width: 28px;
    height: 28px;
    cursor: pointer;
    border-radius: 4px;
    transition: transform 0.15s;
}

.post-comments__face-item:hover {
    transform: scale(1.3);
}

.post-comments__face {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin: 0 1px;
    vertical-align: -6px;
}

/* 评论内容中渲染出来的表情（与父主题 class 一致） */
.post-comments .comment-face {
    display: inline-block;
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin: 0 1px;
}

/* ---------- 表情按钮 ---------- */
.post-comments__face-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 0;
    font-size: 13px;
    color: var(--text-muted, #94a3b8);
    background: none;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.post-comments__face-btn:hover {
    color: var(--text-secondary, #475569);
}

.post-comments__face-btn svg {
    flex-shrink: 0;
}

/* ---------- 操作 ---------- */
.post-comments__actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 4px;
}

.post-comments__reply {
    padding: 4px 0;
    font-size: 12px;
    color: var(--text-muted, #94a3b8);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.post-comments__reply:hover {
    color: var(--theme-color, #41B883);
}

/* ---------- 嵌套回复 ---------- */
.post-comments__children {
    margin: 0;
    padding: 0 12px;
    background: var(--bg-secondary, #f6f8fa);
    border-radius: 8px;
    position: relative;
}

/* 二级嵌套：稍浅背景，弱化层级感 */
.post-comments__children .post-comments__children {
    background: transparent;
    border-radius: 0;
    padding: 0 0 0 12px;
    margin-top: 6px;
    border-left: 2px solid var(--border-secondary, #f1f5f9);
}

.post-comments__children .post-comments__main {
    border-bottom: 1px dashed var(--border-secondary, #f1f5f9);
}

.post-comments__children .post-comments__main:last-child {
    border-bottom: none;
}

/* ---------- 内联回复表单 ---------- */
.post-comments__form--reply {
    margin: 10px 0 0;
    padding: 12px;
    background: var(--bg-secondary, #f6f8fa);
    border-radius: 6px;
}

.post-comments__form--reply .post-comments__textarea {
    min-height: 60px;
}

/* ---------- 加载更多 ---------- */
.post-comments__more {
    margin-top: 20px;
    text-align: center;
}

.post-comments__more-btn {
    padding: 6px 18px;
    font-size: 13px;
    color: var(--text-secondary, #475569);
    background: transparent;
    border: 0.8px solid var(--border-input, #e2e8f0);
    border-radius: 3px;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.post-comments__more-btn:hover {
    background: var(--bg-hover, #f1f5f9);
    border-color: var(--border-hover, #cbd5e1);
}

.post-comments__more-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ---------- 响应式 ---------- */
@media (max-width: 768px) {
    .post-comments {
        padding: 12px;
    }

    .post-comments__form-row {
        flex-direction: column;
        gap: 8px;
    }

    .post-comments__children {
        margin-left: 0;
        padding: 0 8px;
    }

    .post-comments__avatar {
        width: 28px;
        height: 28px;
    }
}