/* Blog layer on top of the shared Concept 01 tokens in style.css */
.progress { position: fixed; top: 0; left: 0; height: 4px; width: 0; background: var(--coral); z-index: 20; }
.btn.sm { padding: 10px 18px; font-size: 14px; }
.nav nav { align-items: center; }
.nav nav .btn { color: var(--ink); text-decoration: none; }

/* home */
.blog-hero .wrap { min-height: 420px; }
.featured { display: grid; grid-template-columns: 1.1fr .9fr; border-radius: 20px; overflow: hidden; background: var(--ink); color: var(--ivory); text-decoration: none; margin-top: -72px; position: relative; box-shadow: 0 18px 50px rgba(32,33,36,.18); transition: transform .2s; }
.featured:hover { transform: translateY(-3px); color: var(--ivory); }
.featured .txt { padding: 40px; display: flex; flex-direction: column; justify-content: center; }
.featured h2 { color: var(--ivory); font-size: clamp(1.6rem, 3.2vw, 2.4rem); margin: 12px 0; }
.featured p { color: #D8D6D0; margin: 0 0 20px; }
.featured .art { background: linear-gradient(135deg, #2678BB, #1c5a8e); position: relative; min-height: 260px; overflow: hidden; }
.featured .art img { position: absolute; width: 230px; right: 30px; bottom: -50px; opacity: .95; }
.featured .art span { position: absolute; border-radius: 50%; }
.featured .art .c1 { width: 70px; height: 70px; background: var(--coral); top: 28px; left: 30px; }
.featured .art .c2 { width: 40px; height: 40px; background: var(--green); top: 120px; left: 80px; }
.featured .more { font: 600 15px Inter, sans-serif; color: var(--ivory); text-decoration: underline; text-underline-offset: 4px; }
@media (max-width: 860px) { .featured { grid-template-columns: 1fr; margin-top: -48px; } .featured .art { min-height: 160px; order: -1; } .featured .art img { width: 150px; } .featured .txt { padding: 28px; } }

.toolbar { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; justify-content: space-between; margin: 56px 0 28px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { font: 600 14px Inter, sans-serif; background: var(--white); color: var(--ink); border: 2px solid var(--line); border-radius: 999px; padding: 8px 18px; cursor: pointer; }
.chip:hover { border-color: var(--ink); }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--ivory); border-color: var(--ink); }
.search { font: 400 15px Inter, sans-serif; border: 2px solid var(--line); border-radius: 999px; padding: 9px 18px; min-width: 240px; background: var(--white); color: var(--ink); }
.search:focus { outline: 3px solid var(--blue); outline-offset: 2px; border-color: var(--blue); }
.count { font-size: 14px; color: var(--muted); margin: 0 0 20px; }
.pcard { display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 28px; text-decoration: none; color: var(--ink); transition: transform .15s, box-shadow .15s; }
.pcard:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(32,33,36,.10); color: var(--ink); }
.pcard h3 { font-size: 1.3rem; margin: 10px 0 8px; }
.pcard p { color: var(--muted); font-size: 16px; margin: 0 0 16px; flex: 1; }
.pcard .foot { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.coll { font: 600 12px Inter, sans-serif; letter-spacing: .1em; text-transform: uppercase; color: var(--blue); }
.coll.build { color: #3F7F24; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--ink); color: var(--ivory); font: 800 11px Manrope, sans-serif; display: inline-flex; align-items: center; justify-content: center; flex: none; }
.avatar.k { background: var(--ink); } .avatar.p { background: var(--blue); }
.empty { padding: 40px; text-align: center; color: var(--muted); border: 2px dashed var(--line); border-radius: 16px; }
[hidden] { display: none !important; }

/* post */
.post-head { background: linear-gradient(135deg, var(--lavender), var(--paleblue)); padding: 56px 0 48px; }
.post-head .wrap { max-width: 860px; }
.post-head h1 { font-size: clamp(2rem, 5vw, 3.4rem); margin: 12px 0 16px; }
.post-head .lead { font-size: 1.2rem; max-width: 40em; margin: 0 0 24px; }
.byline { display: flex; align-items: center; gap: 12px; font-size: 15px; flex-wrap: wrap; }
.byline .avatar { width: 40px; height: 40px; font-size: 14px; }
.byline b { display: block; line-height: 1.2; } .byline span { color: var(--muted); font-size: 14px; }
.tags { margin-top: 16px; }
.layout { display: grid; grid-template-columns: minmax(0, 720px) 240px; gap: 56px; justify-content: center; padding: 56px 20px 24px; max-width: 1100px; margin: 0 auto; }
@media (max-width: 1020px) { .layout { grid-template-columns: minmax(0, 720px); } aside.toc { display: none; } }
.prose p, .prose li { font-size: 19px; line-height: 1.7; }
.prose h2 { font-size: 1.7rem; margin: 48px 0 12px; scroll-margin-top: 96px; }
.prose a { word-break: break-word; }
.prose pre { background: var(--ink); color: var(--ivory); padding: 20px; border-radius: var(--radius); overflow-x: auto; font-size: 14px; line-height: 1.6; }
.prose code { font-size: .88em; background: var(--lavender); padding: 2px 6px; border-radius: 6px; }
.prose pre code { background: none; padding: 0; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose > p:first-of-type { font-size: 21px; }
aside.toc { position: sticky; top: 96px; align-self: start; font-size: 14px; }
aside.toc h4 { font: 600 12px Inter, sans-serif; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin: 0 0 12px; }
aside.toc ol { list-style: none; margin: 0; padding: 0; border-left: 2px solid var(--line); }
aside.toc a { display: block; padding: 6px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font-weight: 500; }
aside.toc a:hover { color: var(--ink); }
aside.toc a.on { color: var(--ink); border-left-color: var(--coral); font-weight: 600; }
.share { margin-top: 24px; display: flex; gap: 8px; flex-wrap: wrap; }
.endbox { max-width: 720px; margin: 24px auto 0; padding: 0 20px; }
.author-box { display: flex; gap: 16px; align-items: center; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.author-box .avatar { width: 56px; height: 56px; font-size: 18px; }
.pn { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 32px 0; }
.pn a { display: block; background: var(--white); border: 1px solid var(--line); border-radius: 16px; padding: 20px 24px; text-decoration: none; color: var(--ink); }
.pn a:hover { border-color: var(--ink); }
.pn small { display: block; color: var(--muted); font-weight: 500; margin-bottom: 4px; }
.pn a.next { text-align: right; }
@media (max-width: 640px) { .pn { grid-template-columns: 1fr; } .pn a.next { text-align: left; } }
.related { padding: 56px 0 72px; }

@media (max-width: 860px) {
  .blog-hero .art { display: none; }
  .blog-hero .wrap { min-height: 0; padding-bottom: 104px; }
}

.tagchips { margin: -8px 0 16px; }
.chip.small { font-size: 13px; padding: 5px 14px; border-width: 1.5px; }

.coll.notes { color: #B03A58; }
:root[data-theme="dark"] .coll.notes { color: #F5A3B4; }
.glance { margin: 56px 0 8px; padding: 32px; background: var(--white); border: 1px solid var(--line); border-radius: 20px; }
.glance-h { display: flex; justify-content: space-between; gap: 24px; align-items: end; flex-wrap: wrap; }
.glance-h h2 { margin: 6px 0 0; font-size: clamp(1.6rem, 3vw, 2.2rem); }
.glance-h p { max-width: 30em; margin: 0; font-size: 15px; }
.glance-q { display: flex; gap: 32px; flex-wrap: wrap; margin: 24px 0 8px; }
.glance-q div { display: flex; flex-direction: column; }
.glance-q b { font: 800 2rem/1 Manrope, sans-serif; letter-spacing: -.02em; }
.glance-q span { font-size: 13px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin-top: 4px; }
.glance-q .tot b { color: var(--blue); }
svg.chart { width: 100%; height: auto; display: block; --paleblue-bar: #9DBBE0; }
:root[data-theme="dark"] svg.chart { --paleblue-bar: #35557A; }
figure.chartfig { margin: 32px 0; padding: 24px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; }
figure.chartfig figcaption { font-size: 14px; color: var(--muted); margin-top: 8px; }
@media (max-width: 640px) { .glance { padding: 20px; } .glance-q { gap: 20px; } }