:root {
  --paper: #f6ecd4;
  --ink: #2a1c10;
  --ink-soft: #5c4633;
  --card: #fffaf1;
  --line: #e2d2b4;
  --accent: #c45c26;
  --accent-2: #1f6f5b;
  --shadow: 0 12px 30px rgba(80, 40, 10, 0.12);
  --ancient: #c45c26;
  --classical: #c9a227;
  --medieval: #2f7a4a;
  --gunpowder: #5c5348;
  --enlightenment: #2b5c8a;
  --industrial: #8a3d2b;
  --modern: #4a5c32;
  --information: #1c7c86;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Nunito, system-ui, sans-serif;
  background:
    radial-gradient(circle at 10% -10%, #ffe9c4 0, transparent 40%),
    radial-gradient(circle at 100% 0, #f3d9b0 0, transparent 35%),
    var(--paper);
  color: var(--ink);
  min-height: 100vh;
}

.skip {
  position: absolute;
  left: -999px;
  top: 8px;
}
.skip:focus { left: 8px; background: #fff; padding: 8px 12px; z-index: 9; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2.2rem 1.2rem 1rem;
  text-align: center;
}
.eyebrow {
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0 0.6rem;
}
h1 {
  font-family: Fredoka, Nunito, sans-serif;
  font-size: clamp(2.1rem, 6vw, 4rem);
  line-height: 0.95;
  margin: 0 0 0.8rem;
  font-weight: 700;
}
.lede {
  max-width: 42rem;
  margin: 0 auto 1.4rem;
  font-size: 1.12rem;
  color: var(--ink-soft);
  line-height: 1.45;
}
.search-wrap { display: block; max-width: 34rem; margin: 0 auto; }
.search-wrap input {
  width: 100%;
  border: 3px solid var(--ink);
  border-radius: 999px;
  padding: 0.85rem 1.2rem;
  font: inherit;
  font-size: 1.05rem;
  background: #fff;
  box-shadow: var(--shadow);
}
.search-wrap input:focus { outline: 3px solid var(--accent-2); outline-offset: 2px; }

.filters {
  position: sticky;
  top: 0;
  z-index: 5;
  background: color-mix(in srgb, var(--paper) 88%, white);
  backdrop-filter: blur(8px);
  padding: 0.6rem 0 0.7rem;
  border-bottom: 1px solid var(--line);
}
.row {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding: 0.25rem 1rem;
  max-width: 1100px;
  margin: 0 auto;
  scrollbar-width: thin;
}
.chip {
  border: 2px solid var(--ink);
  background: #fff;
  color: var(--ink);
  border-radius: 999px;
  padding: 0.38rem 0.85rem;
  font: inherit;
  font-weight: 800;
  white-space: nowrap;
  cursor: pointer;
}
.chip.on {
  background: var(--ink);
  color: #fff;
}
.chip.age-ancient.on { background: var(--ancient); border-color: var(--ancient); }
.chip.age-classical.on { background: var(--classical); border-color: var(--classical); color: #2a1c10; }
.chip.age-medieval.on { background: var(--medieval); border-color: var(--medieval); }
.chip.age-gunpowder.on { background: var(--gunpowder); border-color: var(--gunpowder); }
.chip.age-enlightenment.on { background: var(--enlightenment); border-color: var(--enlightenment); }
.chip.age-industrial.on { background: var(--industrial); border-color: var(--industrial); }
.chip.age-modern.on { background: var(--modern); border-color: var(--modern); }
.chip.age-information.on { background: var(--information); border-color: var(--information); }
.hidden { display: none; }

.count {
  max-width: 1100px;
  margin: 0.9rem auto 0;
  padding: 0 1.2rem;
  font-weight: 800;
  color: var(--ink-soft);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 1rem;
  max-width: 1100px;
  margin: 0.6rem auto 3rem;
  padding: 0 1.2rem 2rem;
}

.card {
  background: var(--card);
  border: 2px solid var(--ink);
  border-radius: 1.15rem;
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  text-align: left;
  padding: 0;
  font: inherit;
  color: inherit;
  display: flex;
  flex-direction: column;
  min-height: 100%;
  transition: transform 0.15s ease;
}
.card:hover, .card:focus-visible { transform: translateY(-4px); }
.card:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }
.photo {
  aspect-ratio: 4 / 3;
  background: #d9c7a6;
  overflow: hidden;
  position: relative;
}
.photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.badge {
  position: absolute;
  left: 0.55rem;
  top: 0.55rem;
  background: #fff;
  border-radius: 999px;
  padding: 0.15rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 800;
  border: 2px solid var(--ink);
}
.card-body { padding: 0.75rem 0.8rem 0.95rem; }
.card h3 {
  font-family: Fredoka, Nunito, sans-serif;
  margin: 0 0 0.25rem;
  font-size: 1.15rem;
  line-height: 1.15;
}
.who {
  margin: 0 0 0.4rem;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--accent);
}
.card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.35;
}

.foot {
  max-width: 40rem;
  margin: 0 auto 2.5rem;
  padding: 0 1.2rem;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

dialog {
  border: 3px solid var(--ink);
  border-radius: 1.4rem;
  padding: 0;
  width: min(820px, 96vw);
  background: var(--card);
  box-shadow: 0 30px 80px rgba(40, 20, 5, 0.35);
}
dialog::backdrop { background: rgba(30, 16, 6, 0.55); }
dialog img {
  width: 100%;
  height: min(46vh, 380px);
  object-fit: cover;
  display: block;
  background: #d9c7a6;
}
.d-body { padding: 1rem 1.15rem 1.2rem; }
.d-meta {
  margin: 0;
  font-weight: 800;
  color: var(--accent);
  font-size: 0.85rem;
}
.d-body h2 {
  font-family: Fredoka, Nunito, sans-serif;
  margin: 0.2rem 0 0.7rem;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
}
.strength {
  background: #fff3d6;
  border: 2px dashed var(--accent);
  border-radius: 0.9rem;
  padding: 0.7rem 0.85rem;
  font-weight: 800;
  margin: 0 0 0.75rem;
}
.fact {
  font-size: 1.12rem;
  line-height: 1.45;
  margin: 0 0 0.7rem;
}
.credit { font-size: 0.8rem; color: var(--ink-soft); margin: 0 0 0.8rem; }
.credit a { color: inherit; }
.d-nav { display: flex; justify-content: space-between; gap: 0.6rem; }
.d-nav button, .x {
  font: inherit;
  font-weight: 800;
  border: 2px solid var(--ink);
  background: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  cursor: pointer;
}
.x {
  position: absolute;
  right: 0.6rem;
  top: 0.6rem;
  width: 2.3rem;
  height: 2.3rem;
  padding: 0;
  font-size: 1.4rem;
  line-height: 1;
  background: #fff;
}

.empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem;
  font-size: 1.2rem;
}

@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr 1fr; gap: 0.7rem; }
  .card h3 { font-size: 1rem; }
  .card p { display: none; }
}