/* ============================================================
 * AKSRT Comments — v4.0 Zibll-Inspired
 *
 * 功能：
 * - 评论表单（头像 + 输入框 + 操作栏）
 * - 评论列表（嵌套回复 + 头像 + 时间）
 * - 排序/过滤栏
 * - 空状态
 * - 移动端固定底部输入框（可选）
 * ============================================================ */

/* ============================================================
 * 评论区容器
 * ============================================================ */
.comments-area {
    margin: 0;
    padding: 0;
    /* 对齐 zibll: 45px */
    --aksrt-comment-avatar: 45px;
    --aksrt-comment-avatar-form: 45px;
    --aksrt-comment-indent: 48px;
}

/* 评论标题 */
.comments-header {
    margin-bottom: 16px;
}

.comments-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-ink);
}

.comments-title i {
    color: var(--color-primary);
    font-size: 16px;
}

.comments-count {
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--color-ink-4);
}

/* ============================================================
 * 登录提示
 * ============================================================ */
.comment-login-prompt {
    margin-bottom: 20px;
}

.comment-login-prompt__inner {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border-radius: 8px;
    background: var(--surface-3);
    font-size: 0.875rem;
    color: var(--color-ink-4);
}

.comment-login-prompt__inner i {
    font-size: 16px;
    color: var(--color-ink-4);
}

.comment-login-prompt__btns {
    margin-left: auto;
    display: flex;
    gap: 8px;
}

/* ============================================================
 * 评论表单
 * ============================================================ */
.comment-respond {
    margin-bottom: 20px;
}

.comment-form__inner {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.comment-form__avatar {
    flex-shrink: 0;
}

.comment-form__avatar img {
    width: var(--aksrt-comment-avatar-form);
    height: var(--aksrt-comment-avatar-form);
    border-radius: 50%;
    object-fit: cover;
}

.comment-form__avatar-placeholder {
    width: var(--aksrt-comment-avatar-form);
    height: var(--aksrt-comment-avatar-form);
    border-radius: 50%;
    background: var(--surface-3);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-ink-4);
}

.comment-form__body {
    flex: 1;
    min-width: 0;
}

.comment-form__reply-info {
    font-size: 0.8125rem;
    color: var(--color-ink-4);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.comment-form__cancel-reply {
    color: var(--color-error, #ef4444);
    font-size: 12px;
}

.comment-form__textarea {
    width: 100%;
    min-height: 80px;
    resize: vertical;
    border-radius: 8px;
    border: 1px solid var(--color-line);
    padding: 10px 14px;
    font-size: 0.875rem;
    background: var(--surface-page);
    color: var(--color-ink);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.comment-form__textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-soft, rgba(136, 171, 218, 0.15));
}

.comment-form__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 10px;
    gap: 8px;
}

.comment-form__tools {
    display: flex;
    gap: 8px;
}

.comment-form__submit-area {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
}

.comment-form__guest-field {
    width: 120px;
    height: 32px;
    font-size: 13px;
}

.comment-form__submit {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
 * 排序/过滤栏
 * ============================================================ */
.comment-filter {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    margin-bottom: 12px;
    border-bottom: 1px solid var(--color-line);
}

.comment-filter__tabs {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
}

.comment-filter__tabs li a {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
    color: var(--color-ink-4);
    text-decoration: none;
    transition: background 0.15s ease, color 0.15s ease;
}

.comment-filter__tabs li a:hover {
    background: var(--surface-3);
    color: var(--color-ink);
}

.comment-filter__tabs li.active a {
    background: var(--color-primary-soft, rgba(136, 171, 218, 0.12));
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================================
 * 评论列表
 * ============================================================ */
.comment-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.comment-list .comment {
    padding: 16px 0;
    border-bottom: 1px solid var(--color-line);
}

.comment-list .comment:last-child {
    border-bottom: none;
}

/* 嵌套回复 — 对齐 zibll: 86px 缩进 + 灰色背景 */
.comment-list .children {
    list-style: none;
    margin: 0;
    padding: 0 0 0 86px;
}

.comment-list .children .comment {
    padding: 10px;
    border-top: 1px solid var(--color-line);
    background: var(--surface-2);
    border-radius: var(--radius);
}

/* 深层嵌套缩进递减 */
.comment-list .children .children {
    padding-left: 23px;
}

/* 评论项内部结构（由 aksrt_comment_callback 渲染） */
.aksrt-comment__body {
    display: flex;
    gap: 12px;
}

.aksrt-comment__avatar {
    flex-shrink: 0;
}

.aksrt-comment__avatar img {
    width: var(--aksrt-comment-avatar);
    height: var(--aksrt-comment-avatar);
    border-radius: 50%;
    object-fit: cover;
}

.aksrt-comment__content {
    flex: 1;
    min-width: 0;
}

.aksrt-comment__header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.aksrt-comment__author {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-ink);
}

.aksrt-comment__author a {
    color: inherit;
}

.aksrt-comment__author a:hover {
    color: var(--color-primary);
}

.aksrt-comment__badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 3px;
    background: var(--color-primary-soft, rgba(136, 171, 218, 0.12));
    color: var(--color-primary);
    font-weight: 500;
}

.aksrt-comment__time {
    font-size: 12px;
    color: var(--color-ink-4);
}

.aksrt-comment__text {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--color-ink);
    margin: 0 0 8px;
    word-wrap: break-word;
    white-space: pre-wrap;
}

/* 对齐 zibll: 评论内图片限制 */
.aksrt-comment__text img:not(.smilie-icon) {
    max-width: 260px;
    max-height: 350px;
}

.aksrt-comment__text p {
    margin: 0 0 8px;
}

.aksrt-comment__text p:last-child {
    margin-bottom: 0;
}

.aksrt-comment__actions {
    display: flex;
    gap: 12px;
    font-size: 12px;
}

.aksrt-comment__actions a,
.aksrt-comment__actions button {
    color: var(--color-ink-4);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    font-size: 12px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color 0.15s ease;
}

.aksrt-comment__actions a:hover,
.aksrt-comment__actions button:hover {
    color: var(--color-primary);
}

/* 嵌套回复中的头像更小 */
/* 对齐 zibll: 嵌套头像 26px */
.children .aksrt-comment__avatar img {
    width: 26px;
    height: 26px;
}

/* ============================================================
 * 空状态
 * ============================================================ */
.comments-empty {
    text-align: center;
    padding: 40px 20px;
}

.comments-empty__icon {
    font-size: 48px;
    color: var(--color-ink-4);
    opacity: 0.4;
    margin-bottom: 12px;
}

.comments-empty__text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-ink-4);
    margin: 0 0 4px;
}

.comments-empty__hint {
    font-size: 0.8125rem;
    color: var(--color-ink-4);
    margin: 0;
}

.comments-closed {
    text-align: center;
    font-size: 0.875rem;
    color: var(--color-ink-4);
    padding: 20px;
}

/* ============================================================
 * 评论分页
 * ============================================================ */
.comment-pagination {
    text-align: center;
    padding: 16px 0;
}

/* ============================================================
 * 移动端适配
 * ============================================================ */
@media (max-width: 767px) {
    .comment-form__inner {
        flex-direction: column;
        gap: 8px;
    }

    .comment-form__avatar {
        display: none;
    }

    .comment-form__submit-area {
        flex-wrap: wrap;
    }

    .comment-form__guest-field {
        width: 100%;
    }

    .comment-list .children {
        padding-left: 24px;
    }

    .children .aksrt-comment__avatar img {
        width: max(22px, calc(var(--aksrt-comment-avatar) - 16px));
        height: max(22px, calc(var(--aksrt-comment-avatar) - 16px));
    }

    /* 移动端评论输入吸底 — 模仿 zibll mobile-fixed */
    .comment-respond.comment-form--mobile-fixed {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: var(--z-sticky, 200);
        background: var(--surface-1);
        border-top: 1px solid var(--color-line);
        box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.08);
        padding: 12px 16px;
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }

    .comment-respond.comment-form--mobile-fixed .comment-form__textarea {
        min-height: 44px;
        max-height: 120px;
    }

    .comment-respond.comment-form--mobile-fixed .comment-form__submit-area {
        margin-top: 8px;
    }

    /* 当评论区可见时隐藏吸底输入框 */
    .comment-respond.comment-form--mobile-fixed.is-visible {
        display: none;
    }
}

/* ============================================================
 * 暗色模式
 * ============================================================ */
html.dark .comment-form__textarea {
    background: var(--surface-2);
    border-color: var(--color-line);
}

.theme-dark .comment-login-prompt__inner,
html.dark .comment-login-prompt__inner {
    background: var(--surface-1);
}

/* ============================================================
 * 评论操作按钮（编辑/删除/审核）
 * ============================================================ */
.aksrt-comment-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
}

.aksrt-comment-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border: 1px solid var(--color-line, rgba(50, 50, 50, 0.1));
    border-radius: var(--radius, 8px);
    background: var(--surface-1, #fff);
    color: var(--color-ink-3, #777);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.aksrt-comment-action-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: var(--color-primary-soft, rgba(240, 68, 148, 0.08));
}

.aksrt-comment-action-btn--danger:hover {
    border-color: var(--color-error);
    color: var(--color-error);
    background: rgba(239, 68, 68, 0.08);
}

.aksrt-comment-action-btn--success:hover {
    border-color: var(--color-success);
    color: var(--color-success);
    background: rgba(16, 185, 129, 0.08);
}

.aksrt-comment-edit-form {
    margin: 8px 0;
}

.aksrt-comment-edit-textarea {
    width: 100%;
    min-height: 80px;
    padding: 8px 12px;
    border: 1px solid var(--color-line, #ddd);
    border-radius: var(--radius, 8px);
    font-size: 14px;
    font-family: var(--font-body);
    color: var(--color-ink);
    background: var(--surface-1, #fff);
    resize: vertical;
    transition: border-color 0.15s;
}

.aksrt-comment-edit-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}