/* 论坛内容页 — 对接 dev-ui-preview 深色 rb 体系 */

.dev-ui-preview.rb-content-page,
.dev-ui-preview.post-read-page {
    --muted: var(--text-muted);
    --accent: var(--color-primary);
    --accent-soft: var(--color-primary-soft);
    --accent-strong: #93c5fd;
    --line: var(--border-primary);
    --surface-soft: rgba(255, 255, 255, 0.06);
    --text: var(--text-primary);
    --surface: rgba(42, 54, 80, 0.82);
}

.dev-ui-preview .ui-avatar {
    color: #fff;
    background: linear-gradient(145deg, #2563eb 0%, #3b82f6 100%);
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, 0.14),
        0 0 0 3px rgba(59, 130, 246, 0.28);
}

.dev-ui-preview .ui-file-picker-btn {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-strong);
    color: var(--text-secondary);
}

.dev-ui-preview .ui-file-picker-btn:hover {
    background: rgba(59, 130, 246, 0.14);
}

.dev-ui-preview .ui-file-picker-card {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--border-primary);
}

.dev-ui-preview .ui-file-picker-name {
    color: var(--text-primary);
}

.dev-ui-preview .ui-file-picker-clear:hover {
    background: rgba(248, 113, 113, 0.18);
}

.dev-ui-preview.rb-content-page .rb-page {
    min-height: 100vh;
}

.dev-ui-preview .rb-content,
.dev-ui-preview .wrap {
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px 20px 72px;
}

.dev-ui-preview .panel {
    background: rgba(42, 54, 80, 0.82);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    padding: 22px;
    box-shadow: var(--shadow-card), var(--shadow-glow);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
}

.dev-ui-preview .head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    border-bottom: 1px solid var(--border-primary);
    padding-bottom: 18px;
    margin-bottom: 4px;
}

.dev-ui-preview .head h1,
.dev-ui-preview h1 {
    margin: 0 0 8px;
    font-family: var(--font-display);
    font-size: clamp(24px, 3vw, 30px);
    letter-spacing: -0.03em;
    color: var(--text-primary);
}

.dev-ui-preview .muted {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

.dev-ui-preview .forum-count,
.dev-ui-preview .count-badge {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 10px;
    margin-top: 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 700;
}

.dev-ui-preview .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 42px;
    padding: 0 16px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-family: var(--font-label);
    font-weight: 600;
    font-size: 13px;
    white-space: nowrap;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
}

.dev-ui-preview .btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    box-shadow: 0 4px 18px rgba(37, 99, 235, 0.32);
}

.dev-ui-preview .btn-primary:hover {
    background: linear-gradient(135deg, #1d4ed8, #2563eb);
    transform: translateY(-1px);
}

.dev-ui-preview .btn-secondary {
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--border-strong);
}

.dev-ui-preview .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

.dev-ui-preview .section-title {
    margin: 18px 0 0;
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.dev-ui-preview .post-list {
    display: flex;
    flex-direction: column;
}

.dev-ui-preview .post-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    align-items: start;
    padding: 16px 12px;
    margin: 0 -12px;
    border-top: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    color: inherit;
    text-decoration: none;
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.dev-ui-preview .post-row:first-child {
    border-top: none;
}

.dev-ui-preview .post-row:hover {
    background: rgba(59, 130, 246, 0.1);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.18);
}

.dev-ui-preview .post-row:hover .title {
    color: #93c5fd;
}

.dev-ui-preview .post-main {
    min-width: 0;
}

.dev-ui-preview .title {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.dev-ui-preview .title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.dev-ui-preview .pill-top {
    display: inline-flex;
    align-items: center;
    height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(251, 146, 60, 0.18);
    color: #fdba74;
    border: 1px solid rgba(251, 146, 60, 0.28);
    font-size: 11px;
    font-weight: 700;
}

.dev-ui-preview .meta {
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.7;
}

.dev-ui-preview .summary {
    margin-top: 8px;
    color: var(--text-dimmed);
    font-size: 13px;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dev-ui-preview .tag-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.dev-ui-preview .tag-chip {
    display: inline-flex;
    align-items: center;
    height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
}

.dev-ui-preview .post-side {
    display: flex;
    flex-direction: column;
    gap: 8px;
    align-items: flex-end;
    min-width: 108px;
}

.dev-ui-preview .stats {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.dev-ui-preview .stat {
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 600;
    white-space: nowrap;
}

.dev-ui-preview .stat.soft {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    border: 1px solid var(--border-primary);
}

.dev-ui-preview .empty {
    padding: 18px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    color: var(--text-muted);
    margin-top: 14px;
    background: rgba(255, 255, 255, 0.04);
    text-align: center;
}

/* Search */
.dev-ui-preview .search-box {
    display: flex;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    padding: 10px;
    flex: 1;
    max-width: 700px;
}

.dev-ui-preview .search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 15px;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-body);
}

.dev-ui-preview .search-box input::placeholder {
    color: var(--text-dimmed);
}

.dev-ui-preview .search-box button {
    border: none;
    background: linear-gradient(135deg, #2563eb, #3b82f6);
    color: #fff;
    padding: 0 18px;
    border-radius: var(--radius-sm);
    font-weight: 700;
    cursor: pointer;
    font-family: var(--font-label);
}

.dev-ui-preview .section {
    margin-top: 20px;
}

.dev-ui-preview .section h2 {
    margin: 0 0 12px;
    font-family: var(--font-display);
    font-size: 18px;
    color: var(--text-primary);
}

.dev-ui-preview .item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px 0;
    border-top: 1px solid var(--border-primary);
}

.dev-ui-preview .item:first-child {
    border-top: none;
    padding-top: 0;
}

.dev-ui-preview .item-title {
    margin: 0;
    font-size: 16px;
    color: var(--text-primary);
}

.dev-ui-preview .item-meta {
    color: var(--text-muted);
    font-size: 13px;
}

.dev-ui-preview .badge {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 700;
}

.dev-ui-preview .grid {
    display: grid;
    gap: 12px;
}

.dev-ui-preview .card {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: 16px;
    color: inherit;
    text-decoration: none;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.dev-ui-preview .card:hover {
    background: rgba(59, 130, 246, 0.12);
    border-color: rgba(59, 130, 246, 0.28);
    transform: translateY(-1px);
}

/* Author profile */
.dev-ui-preview .author-head {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.dev-ui-preview .author-meta {
    min-width: 0;
}

.dev-ui-preview .author-meta h1 {
    margin: 0 0 8px;
    font-size: 28px;
    line-height: 1.2;
}

/* Forum index */
.dev-ui-preview .hero {
    background: rgba(42, 54, 80, 0.72);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-xl);
    padding: 26px;
    box-shadow: var(--shadow-card);
}

.dev-ui-preview .hero h1 {
    margin: 0 0 8px;
    font-size: 30px;
    letter-spacing: -0.02em;
}

.dev-ui-preview .hero p {
    margin: 0;
    color: var(--text-muted);
    line-height: 1.8;
    font-size: 14px;
}

.dev-ui-preview .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 20px 14px;
    border-bottom: 1px solid var(--border-primary);
}

.dev-ui-preview .section-head h2 {
    margin: 0;
    font-size: 18px;
}

.dev-ui-preview .section-head span {
    color: var(--text-muted);
    font-size: 13px;
}

.dev-ui-preview .list {
    display: flex;
    flex-direction: column;
}

.dev-ui-preview .row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
    border-top: 1px solid var(--border-primary);
    color: inherit;
    text-decoration: none;
    transition: background 0.18s ease;
    position: relative;
}

.dev-ui-preview .row:first-child {
    border-top: none;
}

.dev-ui-preview .row:hover {
    background: rgba(59, 130, 246, 0.1);
}

.dev-ui-preview .row-left {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: var(--color-primary-soft);
    color: #93c5fd;
    font-weight: 800;
    font-size: 18px;
    flex: 0 0 auto;
}

.dev-ui-preview .name {
    margin: 0 0 6px;
    font-size: 17px;
    line-height: 1.4;
    color: var(--text-primary);
}

.dev-ui-preview .desc {
    margin: 0;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.7;
}

.dev-ui-preview .tag {
    padding: 5px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-primary);
    color: var(--text-muted);
    font-size: 12px;
    white-space: nowrap;
}

.dev-ui-preview .count {
    padding: 5px 10px;
    border-radius: 999px;
    background: var(--color-primary-soft);
    color: #93c5fd;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

/* Forms (create / edit) */
.dev-ui-preview .form {
    margin-top: 20px;
    display: grid;
    gap: 16px;
}

.dev-ui-preview .field {
    display: grid;
    gap: 8px;
}

.dev-ui-preview .field label {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 500;
}

.dev-ui-preview .field input,
.dev-ui-preview .field select,
.dev-ui-preview .field textarea {
    width: 100%;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
    padding: 12px 14px;
    outline: none;
    font-size: 14px;
    color: var(--text-primary);
    font-family: var(--font-body);
}

.dev-ui-preview .field textarea {
    min-height: 220px;
    resize: vertical;
    line-height: 1.7;
}

.dev-ui-preview .field input:focus,
.dev-ui-preview .field select:focus,
.dev-ui-preview .field textarea:focus {
    border-color: rgba(59, 130, 246, 0.55);
    background: rgba(255, 255, 255, 0.09);
}

.dev-ui-preview .field select option {
    background: #1a2438;
    color: #fff;
}

.dev-ui-preview .actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.dev-ui-preview .tips {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-primary);
    background: rgba(59, 130, 246, 0.1);
    color: var(--text-muted);
    line-height: 1.7;
    font-size: 14px;
}

.dev-ui-preview .tag-editor {
    display: grid;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.06);
}

.dev-ui-preview .tag-editor:focus-within {
    border-color: rgba(59, 130, 246, 0.45);
    background: rgba(255, 255, 255, 0.09);
}

.dev-ui-preview .tag-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 24px;
}

.dev-ui-preview .tag-chip button {
    border: none;
    background: transparent;
    color: inherit;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    padding: 0;
}

.dev-ui-preview .tag-input {
    width: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-primary);
    font-family: var(--font-body);
}

.dev-ui-preview .tag-hint {
    font-size: 12px;
    color: var(--text-dimmed);
    line-height: 1.6;
}

.dev-ui-preview .attachment-wrap {
    padding: 12px 14px;
    border: 1px dashed var(--border-strong);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.04);
}

/* Dev lock overlay on forum show */
.dev-ui-preview .forum-page-dev-lock {
    position: relative;
    overflow: hidden;
}

@media (max-width: 720px) {
    .dev-ui-preview .head {
        flex-direction: column;
        align-items: stretch;
    }

    .dev-ui-preview .post-row {
        grid-template-columns: auto 1fr;
    }

    .dev-ui-preview .post-side {
        grid-column: 1 / -1;
        align-items: flex-start;
        min-width: 0;
    }

    .dev-ui-preview .stats {
        justify-content: flex-start;
    }

    .dev-ui-preview .row {
        grid-template-columns: auto 1fr;
        align-items: start;
    }

    .dev-ui-preview .meta {
        grid-column: 1 / -1;
        justify-content: flex-start;
        margin-top: 6px;
    }
}