/**
 * 社区视图样式（GitHub Discussions 镜像 + 互动）
 * 设计语言：扁平细边框、语义色芯片、主色 var(--primary)
 */

/* ==================== 区块骨架 ==================== */

.community-section {
    padding: 2.5rem 0 3rem;
}

.community-container {
    max-width: 1080px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ==================== 页头横幅（社区门面） ==================== */

.community-hero {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.25rem;
    flex-wrap: wrap;
    margin: -2.5rem -1.5rem 1.8rem;
    padding: 3.4rem 1.5rem 2.4rem;
    border-bottom: 1px solid var(--border);
    overflow: hidden;
}

/* 横幅氛围：站点双色光斑（与首页 hero 同语言） */
.community-hero::before,
.community-hero::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
    filter: blur(60px);
    z-index: 0;
}

.community-hero::before {
    width: 420px;
    height: 320px;
    top: -160px;
    right: -80px;
    background: radial-gradient(closest-side, rgba(140, 203, 253, 0.18), transparent);
}

.community-hero::after {
    width: 460px;
    height: 340px;
    bottom: -200px;
    left: -100px;
    background: radial-gradient(closest-side, rgba(249, 157, 203, 0.14), transparent);
}

.community-hero-text,
.community-header-actions {
    position: relative;
    z-index: 1;
}

.community-title {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text);
    margin-bottom: 0.4rem;
}

.community-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.community-header-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.community-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.08);
    border: 1px solid rgba(var(--primary-rgb), 0.22);
    border-radius: 999px;
    padding: 0.2rem 0.7rem;
    white-space: nowrap;
}

.community-source-badge i {
    font-size: 0.65rem;
    color: var(--primary);
}

/* ==================== 论坛版块格子 ==================== */

.community-boards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.7rem;
    margin-bottom: 1.8rem;
}

.community-board {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.2rem;
    padding: 1rem 0.6rem 0.85rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 14px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.community-board-emoji {
    font-size: 1.6rem;
    line-height: 1.2;
    transition: transform 0.2s ease;
}

.community-board-name {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text);
}

.community-board-count {
    font-size: 0.74rem;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.08);
    border-radius: 999px;
    padding: 0.02rem 0.55rem;
    min-width: 1.4rem;
}

.community-board:hover {
    border-color: rgba(var(--primary-rgb), 0.4);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.community-board:hover .community-board-emoji {
    transform: scale(1.12);
}

.community-board.active {
    border-color: rgba(var(--primary-rgb), 0.55);
    background: rgba(var(--primary-rgb), 0.07);
}

.community-board.active .community-board-name {
    color: var(--primary);
}

/* ==================== 讨论列表小节 ==================== */

.community-list-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.9rem;
}

.community-list-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--text);
}

/* ==================== 按钮 ==================== */

.community-btn-primary,
.community-btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.55rem 1.1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    line-height: 1.4;
}

.community-btn-primary {
    border: 1px solid rgba(var(--primary-rgb), 0.5);
    background: var(--primary);
    color: #fff;
}

.community-btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(var(--primary-rgb), 0.28);
}

.community-btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.community-btn-ghost {
    border: 1px solid var(--border);
    background: var(--card-bg);
    color: var(--text);
}

.community-btn-ghost:hover {
    border-color: rgba(var(--primary-rgb), 0.45);
    color: var(--primary);
    transform: translateY(-1px);
}

/* ==================== 讨论卡片 ==================== */

.community-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.9rem;
}

.discussion-card {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    padding: 1.1rem 1.2rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: var(--transition);
}

.discussion-card:hover {
    border-color: rgba(var(--primary-rgb), 0.4);
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.discussion-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
}

.discussion-cat-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.22);
    border-radius: 999px;
    padding: 0.16rem 0.6rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.discussion-card-comments {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.discussion-card-title {
    font-size: 1.02rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.discussion-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.55;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.discussion-card-meta {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-top: auto;
    padding-top: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.discussion-avatar {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    border: 1px solid var(--border);
    flex-shrink: 0;
}

.discussion-avatar-fallback {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--text-secondary);
    background: rgba(var(--primary-rgb), 0.1);
}

.discussion-author {
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.discussion-dot {
    opacity: 0.6;
}

.discussion-time {
    white-space: nowrap;
}

.community-load-more-wrap {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

/* ==================== 状态（加载/错误/空） ==================== */

.community-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    padding: 3.2rem 1rem;
    color: var(--text-secondary);
    text-align: center;
}

.community-state i.fa-spinner {
    font-size: 1.6rem;
    color: var(--primary);
}

.community-state-error {
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    background: var(--card-bg);
}

.community-state-error .community-error-actions {
    display: flex;
    gap: 0.6rem;
    flex-wrap: wrap;
    justify-content: center;
}

/* ==================== 弹窗（详情/发帖） ==================== */

.community-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(var(--dark-bg-rgb), 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.community-overlay.active {
    opacity: 1;
    visibility: visible;
}

.community-modal {
    display: flex;
    flex-direction: column;
    width: min(680px, 100%);
    max-height: min(85vh, 860px);
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-hover);
    transform: translateY(14px) scale(0.98);
    transition: transform 0.22s cubic-bezier(0.34, 1.4, 0.64, 1);
    overflow: hidden;
}

.community-overlay.active .community-modal {
    transform: translateY(0) scale(1);
}

.community-detail-modal {
    width: min(760px, 100%);
}

.community-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.95rem 1.3rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.community-modal-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}

.community-close-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
}

.community-close-btn:hover {
    border-color: rgba(var(--primary-rgb), 0.45);
    color: var(--primary);
}

.community-modal-body {
    padding: 1.3rem;
    overflow-y: auto;
}

/* ==================== 详情：正文与评论 ==================== */

.community-detail-head {
    display: flex;
    flex-direction: column;
    gap: 0.55rem;
    margin-bottom: 1rem;
}

.community-detail-title {
    font-size: 1.3rem;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text);
    letter-spacing: -0.3px;
}

.community-detail-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.community-detail-meta .community-github-link {
    margin-left: auto;
}

.community-github-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.82rem;
    color: var(--primary);
    text-decoration: none;
}

.community-github-link:hover {
    text-decoration: underline;
}

/* 轻量 Markdown 正文样式 */
.community-md {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text);
    word-break: break-word;
}

.community-md h1,
.community-md h2,
.community-md h3,
.community-md h4 {
    margin: 1.1em 0 0.5em;
    font-weight: 700;
    line-height: 1.4;
}

.community-md h1 { font-size: 1.25rem; }
.community-md h2 { font-size: 1.15rem; }
.community-md h3 { font-size: 1.05rem; }

.community-md p {
    margin: 0.6em 0;
}

.community-md ul,
.community-md ol {
    margin: 0.6em 0;
    padding-left: 1.5em;
}

.community-md blockquote {
    margin: 0.8em 0;
    padding: 0.4em 1em;
    border-left: 3px solid rgba(var(--primary-rgb), 0.45);
    background: rgba(var(--primary-rgb), 0.05);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}

.community-md code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.85em;
    background: rgba(var(--primary-rgb), 0.09);
    border: 1px solid rgba(var(--primary-rgb), 0.16);
    border-radius: 5px;
    padding: 0.1em 0.4em;
}

.community-md pre {
    margin: 0.8em 0;
    padding: 0.9em 1.1em;
    background: rgba(var(--dark-bg-rgb), 0.05);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow-x: auto;
}

[data-theme="dark"] .community-md pre {
    background: rgba(0, 0, 0, 0.25);
}

.community-md pre code {
    background: transparent;
    border: none;
    padding: 0;
    font-size: 0.84rem;
}

.community-md img {
    max-width: 100%;
    border-radius: 8px;
}

.community-md table {
    border-collapse: collapse;
    margin: 0.8em 0;
    width: 100%;
}

.community-md th,
.community-md td {
    border: 1px solid var(--border);
    padding: 0.4em 0.8em;
    font-size: 0.88em;
}

.community-md hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.2em 0;
}

/* 详情降级提示（partial 态：正文只有摘要快照） */
.community-partial-note {
    margin-top: 0.8em;
    padding: 0.55rem 0.85rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
    background: rgba(var(--secondary-rgb), 0.08);
    border: 1px solid rgba(var(--secondary-rgb), 0.25);
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 0.45rem;
}

/* 评论列表 */

.community-comments-title {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text);
    margin: 1.4rem 0 0.8rem;
}

.community-comments {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.community-comment {
    padding: 0.85rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.community-comment-head {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.45rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.community-comment-head .discussion-author {
    font-size: 0.82rem;
}

.community-comment .community-md {
    font-size: 0.88rem;
}

.community-comment-replies {
    margin-top: 0.7rem;
    padding-left: 1rem;
    border-left: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.community-comments-empty {
    padding: 1.2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.88rem;
    border: 1px dashed var(--border);
    border-radius: 12px;
}

/* 回复框 */

.community-reply-box {
    margin-top: 1.1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.community-reply-user {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.community-reply-login,
.community-reply-locked {
    margin-top: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.8rem;
    flex-wrap: wrap;
    padding: 0.9rem 1.1rem;
    border: 1px dashed var(--border);
    border-radius: 12px;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.community-reply-locked i {
    color: var(--secondary);
    margin-right: 0.4rem;
}

.community-form-error {
    font-size: 0.84rem;
    color: #d64545;
    background: rgba(214, 69, 69, 0.08);
    border: 1px solid rgba(214, 69, 69, 0.25);
    border-radius: 8px;
    padding: 0.5rem 0.8rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    flex-wrap: wrap;
}

.community-form-error .community-btn-primary {
    padding: 0.3rem 0.7rem;
    font-size: 0.78rem;
}

/* ==================== 发帖表单 ==================== */

.community-create-login {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.65rem;
    padding: 1.6rem 1rem;
    text-align: center;
}

.community-login-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 54px;
    height: 54px;
    border-radius: 50%;
    background: rgba(var(--primary-rgb), 0.1);
    border: 1px solid rgba(var(--primary-rgb), 0.22);
    color: var(--primary);
    font-size: 1.4rem;
}

.community-create-login h4 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
}

.community-create-login p {
    font-size: 0.86rem;
    color: var(--text-secondary);
    max-width: 380px;
}

.community-create-login .community-btn-primary {
    margin-top: 0.4rem;
}

.community-create-form {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.community-form-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.community-form-user .community-logout-link {
    margin-left: auto;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    cursor: pointer;
    text-decoration: underline;
}

.community-form-user .community-logout-link:hover {
    color: var(--primary);
}

.community-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.community-form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
}

.community-select,
.community-input,
.community-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: var(--transition);
}

.community-select:focus,
.community-input:focus,
.community-textarea:focus {
    outline: none;
    border-color: rgba(var(--primary-rgb), 0.55);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.12);
}

.community-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.community-form-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.7rem;
}

/* ==================== 响应式 ==================== */

@media (max-width: 860px) {
    .community-list {
        grid-template-columns: 1fr;
    }

    .community-hero {
        align-items: flex-start;
        flex-direction: column;
    }

    .community-header-actions {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .community-section {
        padding: 1.6rem 0 2.2rem;
    }

    .community-container {
        padding: 0 1rem;
    }

    .community-title {
        font-size: 1.5rem;
    }

    .community-header-actions .community-btn-ghost {
        display: none;
    }

    .community-modal-body {
        padding: 1rem;
    }
}