/* ============================================================================
   fang.work — /writing (list + article) page styles
   Layout is 1:1 with tenn.design/writing — see scripts and rules.
   Scoped so it doesn't leak into /photos or /about.
   ============================================================================ */

/* ---- Container ----------------------------------------------------------- */
.writing-wrap,
.article-wrap {
    max-width: 48rem;            /* max-w-3xl — list page */
    margin-inline: auto;
    padding-inline: 1rem;
    padding-top: 5rem;           /* pt-20 */
    padding-bottom: 4rem;        /* pb-16 */
}
@media (min-width: 640px) {
    .writing-wrap,
    .article-wrap {
        padding-inline: 2rem;    /* sm:px-8 */
        padding-top: 8rem;       /* sm:pt-32 */
    }
}
.article-wrap {
    max-width: 42rem;            /* max-w-2xl — narrower for reading */
}

/* ---- Header (label + h1) -------------------------------------------------- */
.writing-header,
.article-header {
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.writing-header.is-revealed,
.article-header.is-revealed {
    opacity: 1;
    transform: none;
}

.section-label {
    font-family: var(--font-mono);
    font-size: 0.75rem;          /* text-xs */
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted-foreground);
}

.writing-title,
.article-title {
    margin-top: 1rem;            /* mt-4 */
    max-width: 28ch;
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1.25rem;          /* text-xl */
    line-height: 1.2;
    letter-spacing: -0.01em;     /* tracking-tight */
}
@media (min-width: 640px) {
    .writing-title { font-size: 1.5rem; }   /* sm:text-2xl */
}

/* ---- List ---------------------------------------------------------------- */
.writing-list {
    margin-top: 3rem;            /* mt-12 */
    border-top: 1px solid color-mix(in oklab, var(--foreground) 12%, transparent);
}
.writing-list > li {
    border-bottom: 1px solid color-mix(in oklab, var(--foreground) 12%, transparent);
    list-style: none;
}
.writing-list > li > .writing-item {
    display: block;
    padding-block: 1.5rem;       /* py-6 */
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.writing-list > li.is-revealed > .writing-item {
    opacity: 1;
    transform: none;
}
.writing-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
}
.writing-meta time { white-space: nowrap; }
.writing-meta-sep { color: var(--muted-foreground); }

.writing-item-title {
    margin-top: 0.5rem;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 1.2;
    letter-spacing: -0.01em;
    color: var(--foreground);
    transition: opacity 0.2s ease;
}
@media (min-width: 640px) {
    .writing-item-title { font-size: 1.5rem; }
}
.writing-item:hover .writing-item-title,
.writing-item:hover .writing-item-excerpt {
    opacity: 0.7;
}

.writing-item-excerpt {
    margin-top: 0.5rem;
    max-width: 60ch;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--muted-foreground);
    transition: opacity 0.2s ease;
}

/* ---- Article page -------------------------------------------------------- */
.article-back {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-decoration: none;
    transition: color 0.2s ease, transform 0.2s ease;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1),
                color 0.2s ease;
}
.article-back.is-revealed { opacity: 1; transform: none; }
.article-back:hover { color: var(--foreground); }
.article-back:hover svg { transform: translateX(-2px); }
.article-back svg {
    transition: transform 0.2s ease;
}

/* Optional cover image (negative margin to bleed to viewport edges on mobile) */
.article-cover {
    margin-inline: -1rem;
    margin-top: 2.5rem;          /* mt-10 */
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.7s ease 0.1s, transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1) 0.1s;
}
@media (min-width: 640px) {
    .article-cover { margin-inline: -2rem; }
}
.article-cover.is-revealed { opacity: 1; transform: none; }
.article-cover-frame {
    aspect-ratio: 825 / 550;
    width: 100%;
    overflow: hidden;
    background: var(--muted);
    border: 1px solid color-mix(in oklab, var(--foreground) 10%, transparent);
    transition: border-color 0.3s ease;
}
.article-cover-frame:hover {
    border-color: color-mix(in oklab, var(--foreground) 30%, transparent);
}
.article-cover-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    transition: opacity 0.6s ease 0.2s;
}
.article-cover-frame img.is-loaded { opacity: 1; }
.article-cover-frame.gradient-1 { background: linear-gradient(135deg, #1a1f2e 0%, #3d4a6b 100%); }
.article-cover-frame.gradient-2 { background: linear-gradient(135deg, #2b1a0a 0%, #7a4a1a 100%); }
.article-cover-frame.gradient-3 { background: linear-gradient(135deg, #0a2b1a 0%, #2b5b3a 100%); }
.article-cover-frame.gradient-4 { background: linear-gradient(135deg, #2b0a2b 0%, #5b1a5b 100%); }

.article-cover-cap {
    max-width: 48rem;
    margin-inline: auto;
    margin-top: 1rem;
    padding-inline: 1rem;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--muted-foreground);
}
@media (min-width: 640px) {
    .article-cover-cap { padding-inline: 2rem; }
}

/* Article header (meta + h1) */
.article-header { margin-top: 2.5rem; }

.article-title {
    font-size: 1.875rem;         /* text-3xl */
    letter-spacing: -0.02em;
    line-height: 1.1;
}
@media (min-width: 640px) {
    .article-title { font-size: 2.25rem; }   /* sm:text-4xl */
}

/* ---- Markdown-rendered body --------------------------------------------- */
.article-body {
    margin-top: 2.5rem;
    color: color-mix(in oklab, var(--foreground) 85%, transparent);
    font-size: 1rem;
    line-height: 1.7;
}
.article-body > * { margin-bottom: 1.25rem; }
.article-body > *:last-child { margin-bottom: 0; }

.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
    font-family: var(--font-serif);
    color: var(--foreground);
    letter-spacing: -0.01em;
    line-height: 1.2;
}
.article-body h2 {
    margin-top: 2.5rem;
    font-size: 1.5rem;
}
.article-body h3 {
    margin-top: 2rem;
    font-size: 1.25rem;
}
.article-body p {
    max-width: 65ch;
}
.article-body a {
    color: var(--foreground);
    text-decoration: underline;
    text-decoration-color: color-mix(in oklab, var(--foreground) 30%, transparent);
    text-decoration-thickness: 1px;
    text-underline-offset: 4px;
    transition: text-decoration-color 0.2s ease;
}
.article-body a:hover {
    text-decoration-color: var(--foreground);
}
.article-body blockquote {
    border-left: 2px solid color-mix(in oklab, var(--foreground) 20%, transparent);
    padding-left: 1.25rem;
    color: var(--muted-foreground);
    font-style: italic;
}
.article-body code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    padding: 0.125em 0.375em;
    background: color-mix(in oklab, var(--foreground) 6%, transparent);
    border: 1px solid color-mix(in oklab, var(--foreground) 10%, transparent);
}
.article-body pre {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 1rem;
    overflow-x: auto;
    background: color-mix(in oklab, var(--foreground) 4%, transparent);
    border: 1px solid color-mix(in oklab, var(--foreground) 10%, transparent);
}
.article-body pre code {
    background: transparent;
    border: 0;
    padding: 0;
}
.article-body ul,
.article-body ol {
    padding-left: 1.5rem;
}
.article-body ul li { list-style: disc; }
.article-body ol li { list-style: decimal; }
.article-body hr {
    border: 0;
    border-top: 1px solid color-mix(in oklab, var(--foreground) 12%, transparent);
    margin-block: 2.5rem;
}
.article-body img {
    max-width: 100%;
    height: auto;
    margin-block: 1.5rem;
}
.article-body strong { color: var(--foreground); font-weight: 600; }
.article-body em { font-style: italic; }

/* ---- Empty / error states ----------------------------------------------- */
.writing-empty,
.writing-error {
    margin-top: 3rem;
    padding: 1.5rem;
    border: 1px dashed color-mix(in oklab, var(--foreground) 20%, transparent);
    color: var(--muted-foreground);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    text-align: center;
}