/* ============================================================
   blog.css — Blog-specific styles
   Relies on CSS custom properties defined in base.css
   ============================================================ */

/* ---- Page wrapper ---------------------------------------- */
.blog-page {
    background: var(--bg-app);
    min-height: calc(100vh - var(--nav-height));
    padding: 3rem 0 4rem;
}

.blog-page .container {
    max-width: 780px;
}

/* ---- Header ---------------------------------------------- */
.blog-header {
    margin-bottom: 2rem;
}

.blog-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.4rem;
}

.blog-subtitle {
    color: var(--text-secondary);
    margin: 0;
    font-size: 1rem;
}

/* ---- Post cards ------------------------------------------ */
.blog-card {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.15s, border-color 0.15s;
}

.blog-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.blog-card-body {
    flex: 1;
    min-width: 0;
}

.blog-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
    line-height: 1.3;
}

.blog-card-title a {
    color: var(--text-primary);
    text-decoration: none;
}

.blog-card-title a:hover {
    color: var(--primary);
}

.blog-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.3rem;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
}

.blog-meta time {
    color: var(--text-muted);
}

.blog-card-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.55;
}

.blog-card-link {
    white-space: nowrap;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary);
    text-decoration: none;
    align-self: center;
    flex-shrink: 0;
}

.blog-card-link:hover {
    text-decoration: underline;
}

/* ---- Empty / no-results ---------------------------------- */
.blog-empty {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 2rem 0;
}

/* ---- Breadcrumb ------------------------------------------ */
.blog-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
}

.blog-breadcrumb a {
    color: var(--primary);
    text-decoration: none;
}

.blog-breadcrumb a:hover {
    text-decoration: underline;
}

/* ---- Single post ----------------------------------------- */
.blog-article {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.blog-article-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-light);
}

.blog-article-header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 0.75rem;
    line-height: 1.25;
}

.blog-article-header .blog-meta {
    margin-bottom: 0.75rem;
}

.blog-article-summary {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0.5rem 0 0;
    font-style: italic;
    line-height: 1.55;
}

/* ---- Blog post content typography ----------------------- */
.blog-content {
    font-size: 0.97rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.blog-content h2 {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2rem 0 0.75rem;
    color: var(--text-primary);
}

.blog-content h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
    color: var(--text-primary);
}

.blog-content p {
    margin: 0 0 1rem;
}

.blog-content ul,
.blog-content ol {
    padding-left: 1.5rem;
    margin: 0 0 1rem;
}

.blog-content li {
    margin-bottom: 0.3rem;
}

.blog-content a {
    color: var(--primary);
    text-decoration: none;
}

.blog-content a:hover {
    text-decoration: underline;
}

.blog-content img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1rem auto 1.5rem;
    border-radius: var(--radius-sm);
}

.blog-content blockquote {
    border-left: 3px solid var(--primary-light);
    margin: 1rem 0;
    padding: 0.5rem 1rem;
    color: var(--text-secondary);
    background: var(--bg-app);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.blog-content table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.blog-content th,
.blog-content td {
    border: 1px solid var(--border);
    padding: 0.5rem 0.75rem;
    text-align: left;
}

.blog-content th {
    background: var(--bg-app);
    font-weight: 600;
}

.blog-content code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    font-size: 0.88em;
    background: var(--bg-app);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.15em 0.4em;
}

.blog-content pre {
    background: #f6f8fa;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    margin-bottom: 1rem;
}

.blog-content pre code {
    background: none;
    border: none;
    padding: 0;
    font-size: 0.87em;
    line-height: 1.6;
}

/* ---- Back link ------------------------------------------- */
.blog-back {
    margin-top: 2rem;
}

.blog-back a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.blog-back a:hover {
    text-decoration: underline;
}

/* ---- Pygments code-highlight theme (default) ------------- */
.codehilite .hll { background-color: #ffffcc }
.codehilite { background: #f6f8fa; border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; overflow-x: auto; margin-bottom: 1rem; }
.codehilite .c  { color: #6a737d; font-style: italic } /* Comment */
.codehilite .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.codehilite .k  { color: #d73a49; font-weight: bold } /* Keyword */
.codehilite .o  { color: #032f62 } /* Operator */
.codehilite .cm { color: #6a737d; font-style: italic } /* Comment.Multiline */
.codehilite .cp { color: #6a737d } /* Comment.Preproc */
.codehilite .c1 { color: #6a737d; font-style: italic } /* Comment.Single */
.codehilite .cs { color: #6a737d; font-style: italic } /* Comment.Special */
.codehilite .gd { color: #b31d28 } /* Generic.Deleted */
.codehilite .ge { font-style: italic } /* Generic.Emph */
.codehilite .gr { color: #aa0000 } /* Generic.Error */
.codehilite .gh { color: #005cc5; font-weight: bold } /* Generic.Heading */
.codehilite .gi { color: #22863a } /* Generic.Inserted */
.codehilite .go { color: #6f42c1 } /* Generic.Output */
.codehilite .gp { color: #6a737d } /* Generic.Prompt */
.codehilite .gs { font-weight: bold } /* Generic.Strong */
.codehilite .gu { color: #6f42c1; font-weight: bold } /* Generic.Subheading */
.codehilite .gt { color: #aa0000 } /* Generic.Traceback */
.codehilite .kc { color: #005cc5 } /* Keyword.Constant */
.codehilite .kd { color: #d73a49 } /* Keyword.Declaration */
.codehilite .kn { color: #d73a49 } /* Keyword.Namespace */
.codehilite .kp { color: #d73a49 } /* Keyword.Pseudo */
.codehilite .kr { color: #d73a49 } /* Keyword.Reserved */
.codehilite .kt { color: #d73a49 } /* Keyword.Type */
.codehilite .m  { color: #005cc5 } /* Literal.Number */
.codehilite .s  { color: #032f62 } /* Literal.String */
.codehilite .na { color: #6f42c1 } /* Name.Attribute */
.codehilite .nb { color: #005cc5 } /* Name.Builtin */
.codehilite .nc { color: #6f42c1 } /* Name.Class */
.codehilite .no { color: #005cc5 } /* Name.Constant */
.codehilite .nd { color: #6f42c1 } /* Name.Decorator */
.codehilite .ni { color: #24292e } /* Name.Entity */
.codehilite .ne { color: #cb2431 } /* Name.Exception */
.codehilite .nf { color: #6f42c1 } /* Name.Function */
.codehilite .nl { color: #6f42c1 } /* Name.Label */
.codehilite .nn { color: #6f42c1 } /* Name.Namespace */
.codehilite .nt { color: #22863a } /* Name.Tag */
.codehilite .nv { color: #24292e } /* Name.Variable */
.codehilite .ow { color: #d73a49 } /* Operator.Word */
.codehilite .w  { color: #bbbbbb } /* Text.Whitespace */
.codehilite .mb { color: #005cc5 } /* Literal.Number.Bin */
.codehilite .mf { color: #005cc5 } /* Literal.Number.Float */
.codehilite .mh { color: #005cc5 } /* Literal.Number.Hex */
.codehilite .mi { color: #005cc5 } /* Literal.Number.Integer */
.codehilite .mo { color: #005cc5 } /* Literal.Number.Oct */
.codehilite .sa { color: #032f62 } /* Literal.String.Affix */
.codehilite .sb { color: #032f62 } /* Literal.String.Backtick */
.codehilite .sc { color: #032f62 } /* Literal.String.Char */
.codehilite .dl { color: #032f62 } /* Literal.String.Delimiter */
.codehilite .sd { color: #6a737d } /* Literal.String.Doc */
.codehilite .s2 { color: #032f62 } /* Literal.String.Double */
.codehilite .se { color: #005cc5 } /* Literal.String.Escape */
.codehilite .sh { color: #032f62 } /* Literal.String.Heredoc */
.codehilite .si { color: #005cc5 } /* Literal.String.Interpol */
.codehilite .sx { color: #032f62 } /* Literal.String.Other */
.codehilite .sr { color: #032f62 } /* Literal.String.Regex */
.codehilite .s1 { color: #032f62 } /* Literal.String.Single */
.codehilite .ss { color: #005cc5 } /* Literal.String.Symbol */
.codehilite .bp { color: #005cc5 } /* Name.Builtin.Pseudo */
.codehilite .fm { color: #6f42c1 } /* Name.Function.Magic */
.codehilite .vc { color: #e36209 } /* Name.Variable.Class */
.codehilite .vg { color: #e36209 } /* Name.Variable.Global */
.codehilite .vi { color: #e36209 } /* Name.Variable.Instance */
.codehilite .vm { color: #e36209 } /* Name.Variable.Magic */
.codehilite .il { color: #005cc5 } /* Literal.Number.Integer.Long */

/* ---- Responsive ------------------------------------------ */
@media (max-width: 768px) {
    .blog-page {
        padding: 2rem 0 3rem;
    }

    .blog-header h1 {
        font-size: 1.6rem;
    }

    .blog-article {
        padding: 1.5rem;
    }

    .blog-article-header h1 {
        font-size: 1.4rem;
    }

    .blog-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .blog-card-link {
        align-self: flex-start;
    }
}

@media (max-width: 480px) {
    .blog-article {
        padding: 1.25rem;
    }

    .blog-header h1 {
        font-size: 1.35rem;
    }
}