/* Blog — Writing index + post reader.
   Two voices, same skeleton: quiet editorial in Studio,
   dispatch-log brutalism in Archive. Tokens come from styles.css. */

/* ============================================================
   Writing index
   ============================================================ */

.writing-list {
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
    margin-bottom: 80px;
}

.post-row {
    display: grid;
    grid-template-columns: 130px 1fr auto;
    gap: 28px;
    align-items: baseline;
    padding: 30px 18px 30px 22px;
    border-bottom: 1px solid var(--border);
    text-decoration: none;
    position: relative;
    transition: background-color var(--t-base) var(--ease-out);
}

/* Accent spine slides down the left edge on hover */
.post-row::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 2px;
    height: 100%;
    background-color: var(--accent);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform var(--t-base) var(--ease-out);
}

.post-row:hover {
    background-color: var(--bg-secondary);
}

.post-row:hover::before {
    transform: scaleY(1);
}

.post-row-side {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

/* LOG code is Archive-only; Studio leads with the date */
.post-row-code {
    display: none;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    transition: color var(--t-fast) var(--ease-in-out);
}

body.ahaan-mode .post-row-code {
    display: block;
}

.post-row:hover .post-row-code {
    color: var(--accent);
}

.post-row-date {
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

body.ahaan-mode .post-row-date {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.1em;
}

.post-row-title {
    font-size: 22px;
    font-weight: 500;
    letter-spacing: -0.01em;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 8px;
    transition: color var(--t-fast) var(--ease-in-out);
}

body.ahaan-mode .post-row-title {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.post-row-excerpt {
    font-size: 14px;
    font-weight: 300;
    line-height: 1.65;
    color: var(--text-secondary);
    max-width: 560px;
    margin-bottom: 12px;
}

.post-row-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.post-row-read {
    font-variant-numeric: tabular-nums;
}

.post-tag {
    padding: 2px 9px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 10px;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    transition: border-color var(--t-fast) var(--ease-in-out), color var(--t-fast) var(--ease-in-out);
}

body.ahaan-mode .post-tag {
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.post-row:hover .post-tag {
    border-color: var(--border-hover);
    color: var(--text-secondary);
}

.post-row-arrow {
    align-self: center;
    font-size: 18px;
    color: var(--text-muted);
    transition: transform var(--t-base) var(--ease-out), color var(--t-base) var(--ease-out);
}

.post-row:hover .post-row-arrow {
    transform: translateX(6px);
    color: var(--accent);
}

.post-empty {
    padding: 40px 0;
    font-size: 14px;
    color: var(--text-muted);
}

/* ============================================================
   Post reader
   ============================================================ */

.post-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: 0 50%;
    z-index: 200;
    pointer-events: none;
}

.post-container {
    max-width: 720px;
    margin: 0 auto;
    animation: fadeUp var(--t-slow) var(--ease-out) both;
}

.post-back {
    display: inline-block;
    margin-bottom: 36px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--t-fast) var(--ease-in-out), transform var(--t-base) var(--ease-out);
}

body.ahaan-mode .post-back {
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.post-back:hover {
    color: var(--accent);
    transform: translateX(-3px);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.meta-sep {
    color: var(--border-hover);
}

.post-title {
    font-size: clamp(32px, 4.5vw, 46px);
    font-weight: 500;
    letter-spacing: -0.02em;
    line-height: 1.12;
    color: var(--text-primary);
    margin-bottom: 40px;
}

body.ahaan-mode .post-title {
    font-weight: 600;
    text-transform: uppercase;
    line-height: 1.05;
}

/* --- Prose ------------------------------------------------- */

.post-body {
    font-size: 16px;
    font-weight: 300;
    line-height: 1.85;
    color: var(--text-secondary);
}

.post-body p {
    margin-bottom: 1.4em;
}

.post-body strong {
    font-weight: 500;
    color: var(--text-primary);
}

.post-body em {
    font-style: italic;
}

.post-body h2,
.post-body h3,
.post-body h4 {
    color: var(--text-primary);
    font-weight: 500;
    letter-spacing: -0.01em;
    margin: 2.1em 0 0.7em;
    line-height: 1.3;
    position: relative;
}

.post-body h2 { font-size: 24px; }
.post-body h3 { font-size: 19px; }
.post-body h4 { font-size: 16px; }

body.ahaan-mode .post-body h2,
body.ahaan-mode .post-body h3,
body.ahaan-mode .post-body h4 {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* Anchor glyph surfaces on heading hover */
.head-anchor {
    margin-left: 10px;
    color: var(--accent);
    text-decoration: none;
    opacity: 0;
    transition: opacity var(--t-fast) var(--ease-in-out);
}

.post-body h2:hover .head-anchor,
.post-body h3:hover .head-anchor,
.post-body h4:hover .head-anchor,
.head-anchor:focus-visible {
    opacity: 1;
}

.post-body a {
    color: var(--text-primary);
    background-image: linear-gradient(var(--accent), var(--accent));
    background-size: 0 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    text-decoration: none;
    transition: background-size var(--t-base) var(--ease-out), color var(--t-fast) var(--ease-in-out);
}

.post-body a:hover {
    background-size: 100% 1px;
    color: var(--accent);
}

.post-body ul,
.post-body ol {
    margin: 0 0 1.4em;
    padding-left: 1.4em;
}

.post-body li {
    margin-bottom: 0.5em;
}

.post-body li::marker {
    color: var(--accent);
}

.post-body blockquote {
    margin: 1.8em 0;
    padding: 4px 0 4px 22px;
    border-left: 2px solid var(--accent);
    color: var(--text-primary);
    font-size: 17px;
    font-weight: 300;
    font-style: italic;
}

.post-body blockquote p:last-child {
    margin-bottom: 0;
}

body.ahaan-mode .post-body blockquote {
    font-style: normal;
    background-color: var(--bg-secondary);
    padding: 18px 22px;
}

.post-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 3em 0;
}

.post-body img {
    max-width: 100%;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    margin: 0.4em 0 1.4em;
    display: block;
}

.post-body code {
    font-family: var(--font-mono);
    font-size: 0.86em;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 2px 6px;
    color: var(--text-primary);
    white-space: nowrap;
}

body.ahaan-mode .post-body code {
    border-radius: 0;
}

/* --- Code blocks ------------------------------------------- */

.post-code {
    position: relative;
    margin: 1.8em 0;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background-color: var(--bg-secondary);
    overflow: hidden;
    transition: border-color var(--t-base) var(--ease-out);
}

.post-code:hover {
    border-color: var(--border-hover);
}

body.ahaan-mode .post-code {
    /* Same carbon weave as the drop cards */
    background-image:
        linear-gradient(45deg, rgba(255, 255, 255, 0.018) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.018) 75%),
        linear-gradient(45deg, rgba(255, 255, 255, 0.018) 25%, transparent 25%, transparent 75%, rgba(255, 255, 255, 0.018) 75%);
    background-size: 8px 8px;
    background-position: 0 0, 4px 4px;
}

.post-code[data-lang]::before {
    content: attr(data-lang);
    position: absolute;
    top: 10px;
    right: 76px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.post-code pre {
    padding: 20px 22px;
    overflow-x: auto;
    margin: 0;
}

.post-code pre code {
    font-family: var(--font-mono);
    font-size: 13px;
    line-height: 1.7;
    background: none;
    border: none;
    padding: 0;
    white-space: pre;
    color: var(--text-secondary);
}

.code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    padding: 4px 10px;
    color: var(--text-muted);
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    opacity: 0;
    transition:
        opacity var(--t-fast) var(--ease-in-out),
        color var(--t-fast) var(--ease-in-out),
        border-color var(--t-fast) var(--ease-in-out);
}

.post-code:hover .code-copy,
.code-copy:focus-visible {
    opacity: 1;
}

.code-copy:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.code-copy.is-flashed {
    color: var(--accent);
    border-color: var(--accent);
    opacity: 1;
}

/* --- Post footer ------------------------------------------- */

.post-foot {
    margin-top: 56px;
    display: flex;
    justify-content: flex-start;
}

.post-share {
    background: transparent;
    cursor: pointer;
}

.post-share.is-flashed {
    border-color: var(--accent);
    color: var(--accent);
}

.post-endnav {
    max-width: 720px;
    margin: 28px auto 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.endnav-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 20px 22px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background-color: var(--bg-secondary);
    text-decoration: none;
    transition:
        border-color var(--t-base) var(--ease-out),
        transform var(--t-base) var(--ease-out),
        background-color var(--t-base) var(--ease-out);
}

.endnav-card:last-child {
    text-align: right;
    align-items: flex-end;
}

a.endnav-card:hover {
    border-color: var(--accent);
    background-color: var(--bg-card-hover);
    transform: translateY(-3px);
}

.endnav-empty {
    border-style: dashed;
    background: transparent;
}

.endnav-title {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.35;
}

body.ahaan-mode .endnav-title {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.post-missing {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    padding: 60px 0;
}

/* ============================================================
   Responsive + reduced motion
   ============================================================ */

@media (max-width: 768px) {
    .post-row {
        grid-template-columns: 1fr;
        gap: 10px;
        padding: 24px 14px 24px 18px;
    }

    .post-row-side {
        flex-direction: row;
        align-items: baseline;
        gap: 14px;
    }

    .post-row-arrow {
        display: none;
    }

    .post-endnav {
        grid-template-columns: 1fr;
    }

    .endnav-card:last-child {
        text-align: left;
        align-items: flex-start;
    }

    .endnav-empty {
        display: none;
    }

    .post-code pre {
        padding: 16px;
    }

    .code-copy {
        opacity: 1;
    }
}

@media (prefers-reduced-motion: reduce) {
    .post-row,
    .post-row::before,
    .post-row-arrow,
    .post-back,
    .endnav-card,
    .post-container {
        transition: none;
        animation: none;
    }
}

/* ------------------------------------------------------------------ */
/* Tables (pipe tables from the markdown renderer)                     */
/* ------------------------------------------------------------------ */

.post-body .table-wrap {
    margin: 1.8em 0;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.post-body table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    line-height: 1.5;
}

.post-body th,
.post-body td {
    padding: 9px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.post-body td:first-child,
.post-body th:first-child {
    position: sticky;
    left: 0;
    background: var(--bg-primary);
}

.post-body th {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-secondary);
}

.post-body tbody tr:last-child td {
    border-bottom: none;
}

.post-body tbody tr:hover td {
    background: var(--bg-card-hover);
}

.post-body tbody tr:hover td:first-child {
    background: var(--bg-card-hover);
}