:root {
  --bg: #0a0a0a;
  --panel: #151515;
  --text: #f5f5f5;
  --muted: #b8b8b8;
  --accent: #1e6fff;
  --border: rgba(255,255,255,0.08);
  --shadow: 0 18px 48px rgba(0,0,0,0.35);
  --max-width: 1500px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(30, 111, 255, 0.14), transparent 22%),
    linear-gradient(180deg, #060606 0%, #0c0c0c 18%, #090909 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
button { font: inherit; }

.container {
  width: min(calc(100% - 40px), var(--max-width));
  margin: 0 auto;
}

.archive-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(10px);
  background: rgba(8, 8, 8, 0.82);
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.archive-header-inner {
  min-height: 72px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.back-link { color: var(--muted); }
.back-link:hover { color: var(--text); }

.site-name {
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.archive-hero { padding: 32px 0 18px; }

.eyebrow {
  display: inline-flex;
  width: fit-content;
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: #a9cbff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.archive-hero h1 {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 0.95;
}

.archive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
  padding-bottom: 48px;
}

.archive-tile {
  padding: 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  background: #101010;
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.archive-tile:hover {
  transform: translateY(-2px) scale(1.01);
  border-color: rgba(255,255,255,0.16);
}

.archive-tile img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.cad-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(0,0,0,0.9);
  backdrop-filter: blur(6px);
  padding: 24px;
}

.cad-lightbox.active { display: flex; }

.cad-lightbox-stage {
  max-width: 94vw;
  max-height: 86vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cad-lightbox-stage img {
  max-width: 94vw;
  max-height: 86vh;
  display: block;
  border-radius: 16px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.cad-lightbox-close,
.cad-lightbox-nav {
  position: fixed;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(20,20,20,0.72);
  color: white;
  width: 52px;
  height: 52px;
  border-radius: 999px;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}

.cad-lightbox-close {
  top: 22px;
  right: 22px;
}

.cad-lightbox-nav.prev { left: 22px; }
.cad-lightbox-nav.next { right: 22px; }

.cad-lightbox-close:hover,
.cad-lightbox-nav:hover { background: rgba(40,40,40,0.9); }

@media (max-width: 760px) {
  .archive-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cad-lightbox-nav.prev { left: 12px; }
  .cad-lightbox-nav.next { right: 12px; }
  .cad-lightbox-close { top: 12px; right: 12px; }
}