/* board.css — /board pages (matches home page light theme, loaded on top of site.css) */

body.board-page {
    --danger:      #ef4444;
    --danger-dark: #dc2626;
    --accent-soft: rgba(37, 99, 235, 0.08);
    --shadow-sm:   0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md:   0 6px 18px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-lg:   0 12px 32px rgba(37, 99, 235, 0.15), 0 2px 6px rgba(15, 23, 42, 0.06);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
                 'Helvetica Neue', Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(ellipse 80% 50% at 50% -10%, rgba(37, 99, 235, 0.06), transparent 70%),
        var(--bg);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body.board-page > main {
    flex: 1 0 auto;
    padding: 2.5rem 0;
}

/* ── Hero band (above the search card) ── */
body.board-page .board-hero {
    background: linear-gradient(135deg, #eff4ff 0%, #f8fafc 100%);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 2);
    padding: 2rem 2rem 1.75rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
}

body.board-page .board-hero::before {
    content: "";
    position: absolute;
    top: -40px;
    right: -40px;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 65%);
    pointer-events: none;
}

body.board-page .board-hero h1 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    margin: 0 0 0.5rem;
    background: linear-gradient(135deg, #1e3a8a 0%, var(--accent) 60%, #60a5fa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

body.board-page .board-hero .board-hero-sub {
    color: var(--text-muted);
    font-size: 0.98rem;
    margin: 0;
}

body.board-page > footer {
    flex-shrink: 0;
}

/* ── Page heading (used on form pages without hero) ── */
body.board-page main > .container > h1,
body.board-page main > .container > h2 {
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    color: var(--text);
    position: relative;
    padding-left: 0.75rem;
}

body.board-page main > .container > h1::before,
body.board-page main > .container > h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.25rem;
    bottom: 0.25rem;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--accent), #60a5fa);
}

body.board-page main > .container > h1 {
    font-size: 1.875rem;
}

/* ── Search form (card) ── */
body.board-page .search-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-sm);
}

body.board-page .search-card label {
    font-size: 0.9rem;
    color: var(--text-muted);
}

body.board-page .search-card select,
body.board-page .search-card input[type="text"] {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.95rem;
    font-family: inherit;
}

body.board-page .search-card input[type="text"] {
    flex: 1 1 220px;
    min-width: 0;
}

body.board-page .search-card select:focus,
body.board-page .search-card input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

body.board-page .search-card button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 0.55rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

body.board-page .search-card button:hover {
    background: var(--accent-dark);
}

/* ── Board actions bar (new post button) ── */
body.board-page .board-actions {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 1.25rem;
}

body.board-page .btn-primary {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}

body.board-page .btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-1px);
}

body.board-page .btn-submit {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    padding: 0.65rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s;
}

body.board-page .btn-submit:hover {
    background: var(--accent-dark);
}

body.board-page .btn-cancel {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.6rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

body.board-page .btn-cancel:hover {
    background: rgba(239, 68, 68, 0.08);
    color: var(--danger);
    border-color: var(--danger);
}

/* ── Post list — card grid ── */
body.board-page .post-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

body.board-page .post-card {
    display: block;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 1.5rem;
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

body.board-page .post-card::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent), #60a5fa);
    opacity: 0;
    transition: opacity 0.2s ease;
}

body.board-page .post-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent);
    box-shadow: var(--shadow-lg);
}

body.board-page .post-card:hover::before {
    opacity: 1;
}

body.board-page .post-card-category {
    display: inline-block;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    margin-bottom: 0.75rem;
    text-transform: uppercase;
}

body.board-page .post-card-title {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.4;
    margin: 0 0 0.85rem;
    color: var(--text);
    word-break: break-word;
    transition: color 0.2s ease;
}

body.board-page .post-card:hover .post-card-title {
    color: var(--accent);
}

body.board-page .post-card-meta {
    font-size: 0.83rem;
    color: var(--text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.9rem;
}

body.board-page .post-card-meta > span {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

body.board-page .post-card-meta > span::before {
    content: "";
    width: 14px;
    height: 14px;
    background-color: var(--text-muted);
    -webkit-mask-position: center;
            mask-position: center;
    -webkit-mask-repeat: no-repeat;
            mask-repeat: no-repeat;
    -webkit-mask-size: contain;
            mask-size: contain;
    flex-shrink: 0;
}

body.board-page .post-card-meta > span:nth-child(1)::before {
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M12 12a5 5 0 1 0-5-5 5 5 0 0 0 5 5Zm0 2c-4 0-9 2-9 6v2h18v-2c0-4-5-6-9-6Z'/></svg>");
            mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M12 12a5 5 0 1 0-5-5 5 5 0 0 0 5 5Zm0 2c-4 0-9 2-9 6v2h18v-2c0-4-5-6-9-6Z'/></svg>");
}

body.board-page .post-card-meta > span:nth-child(2)::before {
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M7 2h2v2h6V2h2v2h3a1 1 0 0 1 1 1v16a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1h3V2Zm-2 8v10h14V10H5Z'/></svg>");
            mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M7 2h2v2h6V2h2v2h3a1 1 0 0 1 1 1v16a1 1 0 0 1-1 1H4a1 1 0 0 1-1-1V5a1 1 0 0 1 1-1h3V2Zm-2 8v10h14V10H5Z'/></svg>");
}

body.board-page .post-card-meta > span:nth-child(3)::before {
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M12 5C6 5 2 12 2 12s4 7 10 7 10-7 10-7-4-7-10-7Zm0 11a4 4 0 1 1 0-8 4 4 0 0 1 0 8Zm0-2a2 2 0 1 0 0-4 2 2 0 0 0 0 4Z'/></svg>");
            mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M12 5C6 5 2 12 2 12s4 7 10 7 10-7 10-7-4-7-10-7Zm0 11a4 4 0 1 1 0-8 4 4 0 0 1 0 8Zm0-2a2 2 0 1 0 0-4 2 2 0 0 0 0 4Z'/></svg>");
}

body.board-page .empty-state {
    background: var(--bg-alt);
    border: 1px dashed var(--border);
    border-radius: calc(var(--radius) * 1.5);
    color: var(--text-muted);
    padding: 3rem 1rem;
    text-align: center;
}

body.board-page .post-card-grid + .empty-state,
body.board-page main > .container > .empty-state {
    position: relative;
}

body.board-page main > .container > .empty-state::before {
    content: "";
    display: block;
    width: 44px;
    height: 44px;
    margin: 0 auto 0.75rem;
    background-color: var(--text-muted);
    opacity: 0.5;
    -webkit-mask-position: center;
            mask-position: center;
    -webkit-mask-repeat: no-repeat;
            mask-repeat: no-repeat;
    -webkit-mask-size: contain;
            mask-size: contain;
    -webkit-mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M19 3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2Zm0 16H5V5h14v14ZM7 7h10v2H7V7Zm0 4h10v2H7v-2Zm0 4h7v2H7v-2Z'/></svg>");
            mask-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='currentColor'><path d='M19 3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2Zm0 16H5V5h14v14ZM7 7h10v2H7V7Zm0 4h10v2H7v-2Zm0 4h7v2H7v-2Z'/></svg>");
}

/* ── Pagination ── */
body.board-page .pagination {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.35rem;
    margin-top: 2rem;
}

body.board-page .pagination a {
    display: inline-block;
    min-width: 2.25rem;
    text-align: center;
    padding: 0.45rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: background 0.15s, color 0.15s, border-color 0.15s;
}

body.board-page .pagination a:hover {
    background: var(--bg-alt);
    color: var(--accent);
    border-color: var(--accent);
}

body.board-page .pagination a.is-current {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    font-weight: 600;
}

/* ── Post detail card ── */
body.board-page .post-detail {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

body.board-page .post-detail::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), #60a5fa);
}

body.board-page .post-detail > header {
    border-bottom: 1px solid var(--border);
    padding-bottom: 1.25rem;
    margin-bottom: 1.5rem;
}

body.board-page .post-detail h1 {
    font-size: 1.85rem;
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.02em;
    margin: 0 0 0.75rem;
    color: var(--text);
    word-break: break-word;
}

body.board-page .post-meta {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

body.board-page .post-content {
    font-family: inherit;
    font-size: 1rem;
    color: var(--text);
    background: transparent;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.7;
    margin: 0;
}

body.board-page .post-attachments {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

body.board-page .post-attachments h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-muted);
    margin: 0 0 0.75rem;
}

body.board-page .attachment-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

body.board-page .attachment-list li {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
}

body.board-page .attachment-list a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
}

body.board-page .attachment-list a:hover {
    text-decoration: underline;
}

body.board-page .attachment-size {
    color: var(--text-muted);
    font-size: 0.85rem;
}

body.board-page .post-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

/* ── Comments ── */
body.board-page .comments {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

body.board-page .comments > h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 0 0 1.25rem;
    color: var(--text);
}

body.board-page .comment-list {
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

body.board-page .comment-item {
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.25);
    padding: 1rem 1.25rem;
    transition: border-color 0.15s ease, background 0.15s ease;
}

body.board-page .comment-item:hover {
    border-color: var(--accent-soft);
    background: #fbfcfe;
}

body.board-page .comment-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

body.board-page .comment-author {
    color: var(--accent);
    font-weight: 600;
}

body.board-page .comment-date {
    color: var(--text-muted);
}

body.board-page .comment-content {
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text);
    background: transparent;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
    margin: 0 0 0.5rem;
}

body.board-page .comment-form {
    border-top: 1px solid var(--border);
    padding-top: 1.25rem;
}

/* ── Forms (write / edit / comment) ── */
body.board-page .form-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) * 1.5);
    padding: 2rem;
    max-width: none;
    margin: 0;
    box-shadow: var(--shadow-md);
}

body.board-page .form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
}

body.board-page .form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

body.board-page .form-group input[type="text"],
body.board-page .form-group input[type="password"],
body.board-page .form-group input[type="email"],
body.board-page .form-group input[type="file"],
body.board-page .form-group select,
body.board-page .form-group textarea {
    width: 100%;
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.6rem 0.75rem;
    font-size: 0.95rem;
    font-family: inherit;
    line-height: 1.5;
}

body.board-page .form-group textarea {
    min-height: 8rem;
    resize: vertical;
}

body.board-page .form-group input:focus,
body.board-page .form-group select:focus,
body.board-page .form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.2);
}

body.board-page .form-help {
    font-size: 0.8rem;
    color: var(--text-muted);
}

body.board-page .form-error {
    color: var(--danger);
    font-size: 0.85rem;
}

body.board-page .form-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1.5rem;
}

/* ── Back link ── */
body.board-page .back-link {
    display: inline-block;
    color: var(--text-muted);
    text-decoration: none;
    margin-top: 0.5rem;
    font-size: 0.9rem;
    transition: color 0.15s;
}

body.board-page .back-link:hover {
    color: var(--accent);
}

/* ── Auth notice ── */
body.board-page .auth-notice {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

body.board-page .auth-notice a {
    color: var(--accent);
    text-decoration: none;
    font-weight: 600;
}

body.board-page .auth-notice a:hover {
    text-decoration: underline;
}

/* ── Subtle entrance animation ── */
@keyframes board-card-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: no-preference) {
    body.board-page .post-card,
    body.board-page .post-detail,
    body.board-page .comments,
    body.board-page .form-card,
    body.board-page .board-hero {
        animation: board-card-in 0.35s ease-out both;
    }

    body.board-page .post-card-grid > .post-card:nth-child(2) { animation-delay: 0.04s; }
    body.board-page .post-card-grid > .post-card:nth-child(3) { animation-delay: 0.08s; }
    body.board-page .post-card-grid > .post-card:nth-child(4) { animation-delay: 0.12s; }
    body.board-page .post-card-grid > .post-card:nth-child(5) { animation-delay: 0.16s; }
    body.board-page .post-card-grid > .post-card:nth-child(n+6) { animation-delay: 0.2s; }
}

/* ── Responsive ── */
@media (max-width: 640px) {
    body.board-page > main {
        padding: 1.5rem 0;
    }

    body.board-page .post-detail,
    body.board-page .comments,
    body.board-page .form-card {
        padding: 1.25rem;
    }

    body.board-page .board-hero {
        padding: 1.5rem 1.25rem 1.25rem;
    }

    body.board-page .board-hero h1 {
        font-size: 1.625rem;
    }

    body.board-page .post-card-grid {
        grid-template-columns: 1fr;
    }
}