/* ============================================================
 * Blog listing — ported from the inline <style> of blog.html
 * ========================================================== */

/* ==================== FEATURED CARD ==================== */
.feat-card {
  position: relative;
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255,255,255,0.035), rgba(255,255,255,0.012));
  backdrop-filter: blur(12px);
  transition: transform .4s ease, border-color .4s, box-shadow .4s;
  isolation: isolate;
}
[data-theme="light"] .feat-card { background: linear-gradient(to bottom, rgba(15,18,32,0.025), rgba(15,18,32,0.008)); }
.feat-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.20);
  box-shadow: 0 50px 100px -36px rgba(0,0,0,.55);
}
@media (max-width: 900px) { .feat-card { grid-template-columns: 1fr; } }

.feat-art {
  position: relative;
  min-height: 380px;
  overflow: hidden;
  background:
    radial-gradient(80% 70% at 30% 30%, rgba(123,140,255,0.55), transparent 70%),
    radial-gradient(70% 70% at 80% 80%, rgba(178,123,255,0.45), transparent 70%),
    #1e1b4b;
}
.feat-art .pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 38px 38px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 80%);
  opacity: 0.6;
}
.feat-art .badge {
  position: absolute;
  top: 22px; left: 22px;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(0,0,0,.34);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,.2);
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: white;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}
.feat-art .badge .led {
  width: 6px; height: 6px; border-radius: 999px;
  background: #4ade80; box-shadow: 0 0 8px rgba(74,222,128,.9);
}
.feat-art .ribbon {
  position: absolute;
  bottom: 22px; right: 22px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 80px; font-weight: 800;
  color: rgba(255,255,255,0.10);
  letter-spacing: -3px;
  line-height: 1;
}
.feat-art svg.deco {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.feat-body {
  padding: 44px 42px;
  display: flex; flex-direction: column;
  justify-content: center;
}
@media (max-width: 900px) { .feat-body { padding: 32px 28px; } .feat-art { min-height: 240px; } }
.feat-meta {
  display: flex; align-items: center; gap: 12px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11.5px;
  color: var(--text-2);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.feat-meta .sep { width: 4px; height: 4px; border-radius: 999px; background: var(--text-2); opacity: .5; }
.feat-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 30px;
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.6px;
  color: var(--text-0);
  margin-bottom: 14px;
}
.feat-title .grad {
  background: linear-gradient(135deg, #7b8cff 0%, #b27bff 100%);
  -webkit-background-clip: text; background-clip: text;
  color: transparent;
}
.feat-excerpt {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--text-1);
  margin-bottom: 22px;
}
.feat-author {
  display: flex; align-items: center; gap: 12px;
  margin-top: auto;
}
.feat-author .av {
  width: 36px; height: 36px; border-radius: 10px;
  display: grid; place-items: center;
  color: white; font-weight: 700;
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px;
  background: linear-gradient(135deg, #7b8cff, #b27bff);
  flex-shrink: 0;
}
.feat-author .nm { font-size: 13px; font-weight: 600; color: var(--text-0); }
.feat-author .rl { font-size: 11.5px; color: var(--text-2); margin-top: 2px; }
.feat-author .arrow {
  margin-left: auto;
  width: 40px; height: 40px;
  border-radius: 999px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #7b8cff, #b27bff);
  color: white;
  transition: transform .25s, box-shadow .25s;
  box-shadow: 0 12px 26px -10px rgba(123,140,255,.55);
}
.feat-card:hover .feat-author .arrow {
  transform: translateX(4px) rotate(-8deg);
  box-shadow: 0 16px 30px -10px rgba(178,123,255,.7);
}

/* ==================== POST GRID ==================== */
.post-card {
  position: relative;
  display: flex; flex-direction: column;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255,255,255,0.03), rgba(255,255,255,0.008));
  transition: transform .35s ease, border-color .35s, box-shadow .35s;
  isolation: isolate;
  backdrop-filter: blur(12px);
}
[data-theme="light"] .post-card { background: linear-gradient(to bottom, rgba(15,18,32,0.022), rgba(15,18,32,0.005)); }
.post-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,255,255,0.20);
  box-shadow: 0 30px 60px -22px rgba(0,0,0,.45);
}
[data-theme="light"] .post-card:hover {
  border-color: rgba(15,18,32,0.22);
  box-shadow: 0 30px 60px -22px rgba(15,18,32,0.22);
}
.post-art {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.post-art .pattern-dots {
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.16) 1px, transparent 1.4px);
  background-size: 22px 22px;
  opacity: 0.32;
}
.post-art .pattern-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: radial-gradient(circle at center, black 40%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at center, black 40%, transparent 75%);
  opacity: 0.55;
}
.post-art .pattern-diag {
  position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,0.10) 0 1px, transparent 1px 22px);
  opacity: 0.4;
}
.post-art .iconwrap {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 78px; height: 78px;
  border-radius: 20px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.14);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(255,255,255,0.28);
  color: white;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.3), 0 22px 40px -16px rgba(0,0,0,.5);
  transition: transform .5s cubic-bezier(.2,.7,.3,1.4);
}
.post-card:hover .post-art .iconwrap {
  transform: translate(-50%, -50%) rotate(-4deg) scale(1.06);
}
.post-art .num {
  position: absolute;
  bottom: -8px; right: 10px;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 86px; font-weight: 800;
  color: rgba(255,255,255,0.10);
  letter-spacing: -3px;
  line-height: 1;
}
.post-body {
  padding: 22px 22px 22px;
  display: flex; flex-direction: column; flex: 1;
}
.post-meta {
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.post-meta .sep { width: 3px; height: 3px; border-radius: 999px; background: var(--text-2); opacity: .5; }
.post-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 18px; font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.3px;
  color: var(--text-0);
  margin-bottom: 10px;
}
.post-excerpt {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--text-1);
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.post-author {
  display: flex; align-items: center; gap: 10px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.post-author .av {
  width: 28px; height: 28px; border-radius: 8px;
  display: grid; place-items: center;
  color: white; font-weight: 700;
  font-family: 'JetBrains Mono', monospace; font-size: 10px;
  flex-shrink: 0;
}
.post-author .nm { font-size: 12.5px; font-weight: 600; color: var(--text-0); }
.post-author .arrow {
  margin-left: auto;
  color: var(--text-2);
  transition: transform .25s, color .25s;
}
.post-card:hover .post-author .arrow {
  color: var(--accent);
  transform: translateX(4px);
}

/* Art gradient themes (re-using mesh) */
.art-1 { background: linear-gradient(135deg, #7b8cff 0%, #b27bff 100%); }
.art-2 { background: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%); }
.art-3 { background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%); }
.art-4 { background: linear-gradient(135deg, #14b8a6 0%, #0ea5e9 100%); }
.art-5 { background: linear-gradient(135deg, #8b5cf6 0%, #ec4899 100%); }
.art-6 { background: linear-gradient(135deg, #f97316 0%, #dc2626 100%); }
.art-7 { background: linear-gradient(135deg, #6366f1 0%, #06b6d4 100%); }
.art-8 { background: linear-gradient(135deg, #d946ef 0%, #6366f1 100%); }
.art-9 { background: linear-gradient(135deg, #84cc16 0%, #16a34a 100%); }
.art-ai {
  background:
    radial-gradient(80% 70% at 30% 30%, rgba(123,140,255,0.55), transparent 70%),
    radial-gradient(70% 70% at 80% 80%, rgba(178,123,255,0.45), transparent 70%),
    #1e1b4b;
}

/* ==================== SIDEBAR (Tags + Newsletter) ==================== */
.side-card {
  border-radius: 20px;
  padding: 24px;
  border: 1px solid var(--line);
  background: linear-gradient(to bottom, rgba(255,255,255,0.03), rgba(255,255,255,0.008));
  backdrop-filter: blur(14px);
}
[data-theme="light"] .side-card { background: linear-gradient(to bottom, rgba(15,18,32,0.022), rgba(15,18,32,0.005)); }
.side-card h4 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 16px;
  display: flex; align-items: center; gap: 8px;
}
.side-card h4 .dot {
  width: 6px; height: 6px; border-radius: 999px;
  background: linear-gradient(135deg, #7b8cff, #b27bff);
  box-shadow: 0 0 8px rgba(123,140,255,.6);
}
.tag-cloud {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.tag-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
  font-size: 12px;
  color: var(--text-1);
  cursor: pointer;
  transition: border-color .2s, background .2s, color .2s;
}
[data-theme="light"] .tag-chip { background: rgba(15,18,32,0.025); }
.tag-chip:hover {
  border-color: rgba(123,140,255,.4);
  background: rgba(123,140,255,.08);
  color: var(--text-0);
}
.tag-chip .hash { color: var(--accent); }

/* Newsletter */
.nl-card {
  position: relative;
  border-radius: 22px;
  padding: 32px 28px;
  border: 1px solid var(--line);
  overflow: hidden;
  background:
    radial-gradient(400px 240px at 0% 0%, rgba(123,140,255,.30), transparent 60%),
    radial-gradient(400px 240px at 100% 100%, rgba(178,123,255,.26), transparent 60%),
    linear-gradient(to bottom, rgba(255,255,255,0.04), rgba(255,255,255,0.012));
}
[data-theme="light"] .nl-card {
  background:
    radial-gradient(400px 240px at 0% 0%, rgba(123,140,255,.22), transparent 60%),
    radial-gradient(400px 240px at 100% 100%, rgba(178,123,255,.20), transparent 60%),
    linear-gradient(to bottom, rgba(15,18,32,0.025), rgba(15,18,32,0.008));
}
.nl-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-0);
  margin-bottom: 8px;
  line-height: 1.2;
}
.nl-card p {
  font-size: 13.5px;
  color: var(--text-1);
  margin-bottom: 18px;
  line-height: 1.6;
}
.nl-form {
  display: flex; gap: 8px;
  flex-wrap: wrap;
}
.nl-form input {
  flex: 1; min-width: 0;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.04);
  color: var(--text-0);
  font-family: 'Inter', sans-serif;
  font-size: 13.5px;
  transition: border-color .2s, background .2s;
}
[data-theme="light"] .nl-form input { background: rgba(255,255,255,0.6); }
.nl-form input:focus {
  outline: none;
  border-color: rgba(123,140,255,.55);
  background: rgba(123,140,255,.06);
}
.nl-meta {
  display: flex; align-items: center; gap: 8px;
  margin-top: 14px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 10.5px;
  color: var(--text-2);
  letter-spacing: 0.06em;
}
.nl-meta .led {
  width: 6px; height: 6px; border-radius: 999px;
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74,222,128,.7);
}

/* Pagination */
.pagi {
  display: flex; justify-content: center; align-items: center; gap: 6px;
  margin-top: 32px;
}
.pagi button {
  min-width: 40px; height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.025);
  color: var(--text-1);
  font-family: 'JetBrains Mono', monospace;
  font-size: 13px;
  font-weight: 500;
  transition: border-color .2s, background .2s, color .2s;
}
[data-theme="light"] .pagi button { background: rgba(15,18,32,0.025); }
.pagi button:hover {
  border-color: rgba(123,140,255,.4);
  background: rgba(123,140,255,.08);
  color: var(--text-0);
}
.pagi button.active {
  background: linear-gradient(135deg, #7b8cff, #b27bff);
  border-color: transparent;
  color: white;
  box-shadow: 0 10px 22px -10px rgba(123,140,255,.55);
}
.pagi button[disabled] { opacity: 0.35; pointer-events: none; }