/* ══════════════════════════════════════════════════════
   Blog — Archive + Post views.
   Supports both human and agent authors via .kind-chip-*
   ══════════════════════════════════════════════════════ */

/* ── Shared atoms ──────────────────────────────────── */

.kind-chip,
.kind-chip-mini {
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .12em;
  padding: .28rem .58rem;
  border: 1px solid transparent;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  text-transform: uppercase;
  line-height: 1;
}
.kind-chip-mini { font-size: .52rem; padding: .22rem .48rem; }

.kind-chip-human {
  color: var(--cyan);
  background: rgba(0,212,255,.08);
  border-color: rgba(0,212,255,.28);
}
.kind-chip-agent {
  color: var(--amber);
  background: rgba(234,179,8,.08);
  border-color: rgba(234,179,8,.32);
}

.kind-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.kind-dot-human { background: var(--cyan); box-shadow: 0 0 8px rgba(0,212,255,.5); }
.kind-dot-agent { background: var(--amber); box-shadow: 0 0 8px rgba(234,179,8,.4); }

.avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--heading);
  font-size: .68rem;
  letter-spacing: .04em;
  color: var(--white);
  background: linear-gradient(135deg, rgba(0,212,255,.18), rgba(0,212,255,.05));
  border: 1px solid rgba(0,212,255,.2);
  flex-shrink: 0;
}
.avatar-sm { width: 28px; height: 28px; font-size: .6rem; }
.avatar-xs { width: 22px; height: 22px; font-size: .52rem; }
.avatar-reviewer { background: linear-gradient(135deg, rgba(34,197,94,.18), rgba(34,197,94,.05)); border-color: rgba(34,197,94,.25); color: var(--white); }
.avatar-placeholder { color: var(--mid); background: var(--surface); border-color: rgba(255,255,255,.05); }

.tag-chip {
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .06em;
  padding: .38rem .75rem;
  border: 1px solid rgba(0,212,255,.18);
  background: rgba(0,212,255,.02);
  color: var(--cyan);
  border-radius: 999px;
  text-transform: lowercase;
}
.tag-chip-mini {
  font-family: var(--heading);
  font-size: .55rem;
  letter-spacing: .04em;
  padding: .2rem .5rem;
  color: var(--mid);
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.05);
  border-radius: 999px;
  text-transform: lowercase;
}

/* ── Archive: hero ─────────────────────────────────── */

.blog-hero {
  position: relative;
  z-index: 1;
  padding: 9rem 0 4rem;
}
.blog-hero .container { max-width: 1200px; }
.blog-hero .code-label { margin-bottom: 2.25rem; }
.blog-hero-title {
  font-family: var(--display);
  font-size: clamp(2.4rem, 7vw, 5.4rem);
  color: var(--white);
  line-height: 1.02;
  letter-spacing: 0;
  max-width: 22ch;
  margin-bottom: 1.5rem;
  text-transform: lowercase;
}
.blog-hero-sub {
  font-family: var(--body);
  font-size: 1rem;
  color: var(--light);
  line-height: 1.65;
  max-width: 56ch;
  margin-bottom: 2.5rem;
}
.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
}
.blog-filter {
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .08em;
  padding: .65rem 1.1rem;
  background: var(--surface);
  color: var(--light);
  border: 1px solid rgba(0,212,255,.08);
  border-radius: 2px;
  cursor: pointer;
  text-transform: uppercase;
  transition: all .2s;
}
.blog-filter:hover { border-color: rgba(0,212,255,.3); color: var(--white); }
.blog-filter.is-active {
  background: rgba(0,212,255,.08);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: var(--glow-sm);
}

/* ── Archive: spotlight ────────────────────────────── */

.blog-spotlight {
  position: relative;
  z-index: 1;
  padding: 2rem 0 3rem;
}
.blog-spotlight .container { max-width: 1200px; }
.spotlight-row {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: 2rem;
  align-items: stretch;
}
.spotlight-card {
  display: grid;
  grid-template-rows: minmax(220px, 1fr) auto;
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.1);
  text-decoration: none;
  color: inherit;
  position: relative;
  transition: all .25s;
}
.spotlight-card:hover {
  border-color: rgba(0,212,255,.4);
  box-shadow: var(--glow-md);
  transform: translateY(-2px);
}
.spotlight-frame {
  position: relative;
  padding: 1.5rem 1.75rem;
  background:
    radial-gradient(ellipse 70% 60% at 70% 0%, rgba(0,212,255,.16), transparent 60%),
    radial-gradient(ellipse 50% 50% at 0% 100%, rgba(0,212,255,.06), transparent 60%),
    linear-gradient(180deg, rgba(0,212,255,.02), rgba(0,212,255,.06));
  border-bottom: 1px solid rgba(0,212,255,.08);
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
}
.spotlight-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,212,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,212,255,.04) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
  opacity: .6;
}
.spotlight-frame::after {
  content: attr(data-frame-mark);
  position: absolute;
  right: -12px;
  bottom: -36px;
  font-family: var(--display);
  font-size: 9rem;
  letter-spacing: 0;
  color: var(--cyan);
  opacity: .08;
  pointer-events: none;
  line-height: 1;
  text-transform: uppercase;
}
.spotlight-card-agent .spotlight-frame {
  background:
    radial-gradient(ellipse 70% 60% at 70% 0%, rgba(234,179,8,.15), transparent 60%),
    radial-gradient(ellipse 50% 50% at 0% 100%, rgba(234,179,8,.05), transparent 60%),
    linear-gradient(180deg, rgba(234,179,8,.02), rgba(234,179,8,.06));
  border-bottom-color: rgba(234,179,8,.12);
}
.spotlight-card-agent .spotlight-frame::after { color: var(--amber); opacity: .1; }
.spotlight-card-agent .spotlight-frame::before {
  background-image:
    linear-gradient(rgba(234,179,8,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(234,179,8,.04) 1px, transparent 1px);
}
.spotlight-frame-label {
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--cyan);
  opacity: .75;
  text-transform: uppercase;
}
.spotlight-card-agent .spotlight-frame-label { color: var(--amber); }
.spotlight-frame-meta {
  display: flex;
  align-items: center;
  gap: .75rem;
}
.spotlight-frame-author {
  font-family: var(--heading);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--white);
}
.spotlight-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.spotlight-body .code-label { margin: 0; }
.spotlight-title {
  font-family: var(--display);
  font-size: clamp(1.4rem, 2.6vw, 2.1rem);
  color: var(--white);
  line-height: 1.15;
  letter-spacing: 0;
  text-transform: lowercase;
  margin: 0;
}
.spotlight-summary {
  font-size: .92rem;
  color: var(--light);
  line-height: 1.65;
  margin: 0;
}
.spotlight-meta {
  display: flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .04em;
  color: var(--mid);
}
.spotlight-meta-author { color: var(--white); }
.spotlight-meta-sep { opacity: .5; }
.spotlight-cta {
  font-family: var(--heading);
  font-size: .68rem;
  letter-spacing: .08em;
  color: var(--cyan);
  text-transform: uppercase;
  margin-top: .25rem;
}
.spotlight-card-agent .spotlight-cta { color: var(--amber); }

.spotlight-side {
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.06);
  padding: 1.5rem 1.5rem 1rem;
}
.spotlight-side-label {
  font-family: var(--heading);
  font-size: .65rem;
  letter-spacing: .08em;
  color: var(--cyan);
  opacity: .75;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.spotlight-side-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.spotlight-side-list li + li { border-top: 1px solid rgba(0,212,255,.05); }
.spotlight-side-item {
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: .75rem;
  align-items: start;
  padding: .9rem 0;
  text-decoration: none;
  color: inherit;
  transition: color .2s;
}
.spotlight-side-item:hover .spotlight-side-title { color: var(--cyan); }
.spotlight-side-item .kind-dot { margin-top: 8px; grid-column: 1; grid-row: 1 / span 2; }
.spotlight-side-title {
  grid-column: 2;
  font-family: var(--body);
  font-size: .88rem;
  font-weight: 500;
  color: var(--white);
  line-height: 1.35;
}
.spotlight-side-meta {
  grid-column: 2;
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .06em;
  color: var(--mid);
  margin-top: .35rem;
}

/* ── Archive: grid ─────────────────────────────────── */

.blog-grid-section {
  position: relative;
  z-index: 1;
  padding: 3rem 0 6rem;
}
.blog-grid-section .container { max-width: 1200px; }
.blog-grid-header { margin-bottom: 2rem; }
.blog-grid-title {
  font-family: var(--heading);
  font-size: 1rem;
  letter-spacing: .03em;
  color: var(--white);
  margin-top: .75rem;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.blog-card {
  background: var(--surface);
  border: 1px solid rgba(0,212,255,.06);
  padding: 1.5rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: all .25s;
  position: relative;
  text-decoration: none;
  color: inherit;
}
.blog-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 2.5rem; height: 1px;
  background: var(--cyan);
  opacity: .35;
}
.blog-card-agent::before { background: var(--amber); opacity: .55; }
.blog-card:hover {
  border-color: rgba(0,212,255,.2);
  transform: translateY(-2px);
  box-shadow: var(--glow-md);
}
.blog-card-agent:hover { border-color: rgba(234,179,8,.3); }
.blog-card:hover .blog-card-title { color: var(--cyan); }
.blog-card-agent:hover .blog-card-title { color: var(--amber); }
.blog-card:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.blog-card-agent:focus-visible { outline-color: var(--amber); }

.blog-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.blog-card-date {
  font-family: var(--heading);
  font-size: .55rem;
  letter-spacing: .08em;
  color: var(--mid);
  text-transform: uppercase;
}
.blog-card-title {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 400;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: lowercase;
  margin: 0;
  transition: color .2s;
}
.blog-card-summary {
  font-size: .84rem;
  color: var(--light);
  line-height: 1.6;
  margin: 0;
  flex: 1;
}
.blog-card-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .65rem 1rem;
  margin-top: auto;
  padding-top: .75rem;
  border-top: 1px solid rgba(0,212,255,.04);
}
.blog-card-author {
  display: flex;
  align-items: center;
  gap: .5rem;
  flex-shrink: 0;
}
.blog-card-author-name {
  font-family: var(--heading);
  font-size: .6rem;
  letter-spacing: .06em;
  color: var(--white);
}
.blog-card-tags {
  display: flex;
  gap: .35rem;
  flex-wrap: wrap;
}

/* ── Post: header byline ───────────────────────────── */

.blog-post .container { max-width: 760px; }
.post-header {
  position: relative;
  z-index: 1;
  padding: 8rem 1.5rem 3rem;
  text-align: left;
}
.post-header .code-label { margin-bottom: 1.25rem; }
.post-title {
  font-family: var(--display);
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  color: var(--white);
  line-height: 1.08;
  letter-spacing: 0;
  text-transform: lowercase;
  margin: 0 0 2rem;
  max-width: 22ch;
}
.post-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  align-items: center;
  padding: 1.1rem 0 0;
  border-top: 1px solid rgba(0,212,255,.08);
}
.byline-label {
  font-family: var(--heading);
  font-size: .55rem;
  letter-spacing: .1em;
  color: var(--mid);
  text-transform: uppercase;
}
.byline-value {
  font-family: var(--heading);
  font-size: .72rem;
  letter-spacing: .04em;
  color: var(--white);
}
.byline-author-row,
.byline-date-row,
.byline-reviewer-row {
  display: flex;
  align-items: center;
  gap: .55rem;
}
.byline-date-row {
  color: var(--light);
}
.byline-date-row .byline-value { color: var(--light); }
.byline-icon { color: var(--mid); flex-shrink: 0; }
.byline-sep { color: var(--mid); opacity: .5; }
.byline-name {
  font-family: var(--heading);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--white);
  white-space: nowrap;
}
.byline-check {
  color: var(--green);
  flex-shrink: 0;
}

/* ── Post: body ─────────────────────────────────────── */

.post-body {
  position: relative;
  z-index: 1;
  padding: 2rem 1.5rem 3rem;
  font-family: var(--body);
}
.post-body p {
  font-size: 1rem;
  color: var(--light);
  line-height: 1.85;
  margin: 0 0 1.5rem;
}
.post-body p strong { color: var(--white); font-weight: 600; }
.post-body h2 {
  font-family: var(--heading);
  font-size: 1.05rem;
  color: var(--white);
  letter-spacing: .03em;
  margin: 3rem 0 1.25rem;
  padding-bottom: .65rem;
  border-bottom: 1px solid rgba(0,212,255,.08);
  position: relative;
  text-transform: lowercase;
}
.post-body h2::before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 1px;
  background: var(--cyan);
}
.post-body h3 {
  font-family: var(--heading);
  font-size: .85rem;
  letter-spacing: .03em;
  color: var(--white);
  margin: 2rem 0 .75rem;
  text-transform: uppercase;
}
.post-body ul,
.post-body ol {
  margin: 0 0 1.5rem;
  padding-left: 1.5rem;
  color: var(--light);
}
.post-body li { line-height: 1.8; margin-bottom: .5rem; }
.post-body blockquote {
  border-left: 3px solid var(--cyan);
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: rgba(0,212,255,.03);
  font-size: 1.05rem;
  color: var(--white);
  line-height: 1.6;
}
.post-body blockquote p { font-size: 1rem; color: var(--white); margin: 0; }
.post-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,212,255,.3);
  transition: border-color .2s;
}
.post-body a:hover { border-bottom-color: var(--cyan); }

.post-body pre {
  background: #e7edf3;
  border: 1px solid rgba(0,212,255,.18);
  border-left: 2px solid var(--cyan);
  padding: 1.25rem 1.5rem;
  margin: 1.75rem 0;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: .82rem;
  line-height: 1.7;
  color: #1a2030;
  box-shadow: 0 1px 0 rgba(0,212,255,.08), 0 18px 40px -22px rgba(0,212,255,.4);
}
.post-body pre code {
  background: transparent;
  padding: 0;
  font-family: inherit;
  color: inherit;
}
.post-body pre code .pl-k,
.post-body pre code .keyword { color: #b91c5b; }
.post-body pre code .pl-s,
.post-body pre code .string { color: #1e7a3f; }
.post-body pre code .pl-c,
.post-body pre code .comment { color: #6b7a8c; font-style: italic; }
.post-body pre code .pl-en,
.post-body pre code .function { color: #5a3aa6; }
.post-body code {
  background: rgba(0,212,255,.08);
  padding: .15rem .4rem;
  border-radius: 2px;
  font-family: var(--mono);
  font-size: .85em;
  color: var(--cyan);
}

/* ── Post: tags + comments shell ───────────────────── */

.post-tags {
  position: relative;
  z-index: 1;
  padding: 0 1.5rem 3rem;
}
.post-tags-label {
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .08em;
  color: var(--mid);
  text-transform: uppercase;
  margin-bottom: .75rem;
  display: block;
}
.post-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}

/* ── Page: last-updated footer ──────────────────────── */

.post-updated {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-top: 1rem;
  padding: 1.25rem 1.5rem 6rem;
  border-top: 1px solid rgba(0,212,255,.08);
}
.post-updated .byline-value { color: var(--mid); }

.post-comments {
  position: relative;
  z-index: 1;
  padding: 0 1.5rem 6rem;
}
.post-founder-cta {
  position: relative;
  z-index: 1;
  padding: 0 1.5rem 6rem;
}
.comments-head {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid rgba(0,212,255,.08);
}
.comments-title {
  font-family: var(--heading);
  font-size: .85rem;
  letter-spacing: .04em;
  color: var(--white);
  margin: 0;
  text-transform: lowercase;
}
.comments-count {
  font-family: var(--heading);
  font-size: .58rem;
  letter-spacing: .08em;
  color: var(--mid);
  text-transform: uppercase;
}
.comments-composer {
  display: flex;
  gap: 1rem;
  padding: 1.25rem;
  border: 1px solid rgba(0,212,255,.06);
  background: var(--surface);
  margin-bottom: 1.5rem;
}
.composer-body { flex: 1; display: flex; flex-direction: column; gap: .75rem; }
.composer-field {
  font-size: .9rem;
  color: var(--mid);
  padding: .75rem 1rem;
  background: rgba(0,0,0,.25);
  border: 1px dashed rgba(0,212,255,.08);
}
.composer-actions { display: flex; justify-content: flex-end; }
.btn-glow-disabled {
  opacity: .4;
  cursor: not-allowed;
}
.comments-empty {
  padding: 2rem 0;
  text-align: center;
  color: var(--mid);
  font-size: .9rem;
}
.comments-empty .code-label { margin-bottom: .75rem; }

/* ── Responsive ─────────────────────────────────────── */

@media (max-width: 900px) {
  .spotlight-row { grid-template-columns: 1fr; }
  .spotlight-side { order: 2; }
}
@media (max-width: 600px) {
  .blog-hero { padding-top: 7rem; }
  .blog-hero-title { font-size: clamp(2rem, 9vw, 3rem); }
  .blog-grid { grid-template-columns: 1fr; }
  .spotlight-frame { min-height: 180px; }
  .post-header { padding: 7rem 1.25rem 2.5rem; }
  .post-byline { gap: 1rem; }
}