:root {
  --bg: #061018;
  --bg-accent: #0c2436;
  --panel: rgba(9, 23, 35, 0.84);
  --panel-strong: rgba(14, 32, 48, 0.94);
  --line: rgba(141, 211, 255, 0.16);
  --line-strong: rgba(141, 211, 255, 0.28);
  --text: #ecf7ff;
  --muted: #a5bfd2;
  --accent: #8dd3ff;
  --accent-strong: #64bfff;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.32);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(100, 191, 255, 0.18), transparent 28rem),
    linear-gradient(180deg, #07111a 0%, #050c14 100%);
}

body {
  margin: 0;
  color: var(--text);
  font: 16px/1.5 "Space Grotesk", sans-serif;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(141, 211, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(141, 211, 255, 0.03) 1px, transparent 1px);
  background-size: 3rem 3rem;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 85%);
  pointer-events: none;
}

button,
input,
dialog {
  font: inherit;
}

.site-shell {
  width: min(1180px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 1rem 0 2.5rem;
}

.hero,
.toolbar,
.artifact-card,
.detail-modal {
  backdrop-filter: blur(14px);
}

.hero,
.toolbar {
  border: 1px solid var(--line);
  border-radius: 1.25rem;
  background: linear-gradient(135deg, rgba(10, 27, 40, 0.92), rgba(7, 16, 24, 0.84));
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.eyebrow,
.stat-label,
.artifact-program,
.meta-list dt,
.filter-chip {
  font-family: "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--accent);
  font-size: 0.76rem;
}

.hero h1,
.artifact-title,
#modal-title {
  margin: 0;
  line-height: 1.05;
}

.hero h1 {
  max-width: 11ch;
  font-size: clamp(2rem, 4vw, 4rem);
}

.hero-text,
.artifact-caption,
.modal-caption,
.empty-state {
  color: var(--muted);
}

.hero-stats {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.stat-card {
  min-height: 5.5rem;
  padding: 0.9rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(11, 27, 40, 0.82);
}

.stat-label {
  display: block;
  color: var(--muted);
  font-size: 0.72rem;
}

.stat-card strong {
  display: block;
  margin-top: 0.45rem;
  font-size: clamp(1.2rem, 2vw, 2rem);
}

.page-content {
  margin-top: 1rem;
  display: grid;
  gap: 1rem;
}

.toolbar {
  padding: 0.8rem;
}

.filter-row {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.filter-chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 33, 47, 0.72);
  color: var(--text);
  padding: 0.55rem 0.8rem;
  cursor: pointer;
}

.filter-chip.is-active {
  border-color: var(--accent-strong);
  background: rgba(40, 110, 154, 0.42);
}

.gallery-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.artifact-card {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 1.15rem;
  background: rgba(8, 19, 29, 0.9);
  box-shadow: var(--shadow);
}

.artifact-media-button {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  cursor: pointer;
}

.artifact-media-frame {
  position: relative;
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at top, rgba(141, 211, 255, 0.12), transparent 55%),
    linear-gradient(135deg, rgba(20, 44, 62, 0.92), rgba(7, 16, 24, 0.92));
}

.artifact-media-frame img,
.artifact-media-frame video,
.modal-media img,
.modal-media video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.artifact-media-fallback,
.modal-media-fallback {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--muted);
  padding: 1rem;
  text-align: center;
}

.artifact-card-body {
  display: grid;
  gap: 0.45rem;
  padding: 0.95rem;
}

.artifact-program,
.artifact-footer,
.meta-list dt,
.meta-list dd,
.modal-links a {
  font-size: 0.8rem;
}

.artifact-program {
  margin: 0;
  color: var(--accent);
}

.artifact-title {
  font-size: 1.05rem;
}

.artifact-caption {
  margin: 0;
  min-height: 3.2em;
}

.artifact-footer {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--muted);
}

.empty-state {
  padding: 2rem 1rem;
  border: 1px dashed var(--line-strong);
  border-radius: 1rem;
  text-align: center;
  background: rgba(10, 23, 34, 0.6);
}

.detail-modal {
  width: min(980px, calc(100% - 1rem));
  border: 1px solid var(--line-strong);
  border-radius: 1.25rem;
  padding: 0;
  background: rgba(7, 16, 24, 0.96);
  color: var(--text);
  box-shadow: var(--shadow);
}

.detail-modal::backdrop {
  background: rgba(1, 6, 10, 0.74);
}

.modal-close {
  margin: 1rem 1rem 0 auto;
  display: block;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(13, 31, 45, 0.88);
  color: var(--text);
  padding: 0.55rem 0.85rem;
  cursor: pointer;
}

.modal-layout {
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.modal-media {
  min-height: 18rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(20, 44, 62, 0.92), rgba(7, 16, 24, 0.92));
}

.modal-copy {
  display: grid;
  gap: 0.8rem;
}

.meta-list {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.meta-list div {
  padding: 0.85rem;
  border: 1px solid var(--line);
  border-radius: 0.9rem;
  background: rgba(11, 27, 40, 0.72);
}

.meta-list dt,
.meta-list dd {
  margin: 0;
}

.meta-list dt {
  color: var(--muted);
}

.meta-list dd {
  margin-top: 0.35rem;
}

.modal-links {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.modal-links a {
  color: var(--text);
  text-decoration: none;
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(14, 33, 47, 0.72);
}

@media (min-width: 760px) {
  .hero {
    grid-template-columns: 1.4fr 1fr;
    align-items: end;
  }

  .modal-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (max-width: 640px) {
  .site-shell {
    width: min(100%, calc(100% - 1rem));
    padding-top: 0.5rem;
  }

  .hero h1 {
    max-width: 13ch;
  }

  .hero-stats {
    grid-template-columns: 1fr;
  }
}