:root {
  color-scheme: light;
  --ink: #201f1c;
  --muted: #77736c;
  --paper: #f2efe9;
  --card: #fffefa;
  --green: #11251d;
  --sage: #dfe9e1;
  --accent: #d36c45;
  --line: #ded8ce;
  --shadow: 0 1.25rem 3.5rem rgba(35, 30, 22, .09);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 20rem;
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,.95), transparent 32rem),
    linear-gradient(150deg, #f7f4ef, var(--paper));
  color: var(--ink);
  font-family: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
  font-size: 1rem;
  line-height: 1.65;
}
button, a { -webkit-tap-highlight-color: transparent; }

.hero {
  position: relative;
  overflow: hidden;
  background: var(--green);
  color: #fff;
  border-bottom: .25rem solid #bd6b4b;
}
.hero::after {
  content: "";
  position: absolute;
  width: 22rem;
  height: 22rem;
  right: -7rem;
  top: -10rem;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 50%;
  box-shadow: 0 0 0 3rem rgba(255,255,255,.025), 0 0 0 7rem rgba(255,255,255,.02);
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: min(100%, 78rem);
  margin: auto;
  padding: 3.25rem 1.25rem 2.75rem;
}
.eyebrow {
  margin: 0 0 .75rem;
  color: #aac3b4;
  font-family: ui-monospace, "SFMono-Regular", monospace;
  font-size: .75rem;
  letter-spacing: .14em;
}
h1 {
  max-width: 10ch;
  margin: 0;
  font-size: clamp(2.2rem, 10vw, 4.7rem);
  line-height: 1.03;
  letter-spacing: -.04em;
}
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1.25rem;
  align-items: center;
  margin-top: 1.6rem;
  font-family: "PingFang SC", sans-serif;
  font-weight: 600;
}
.sheet-link {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: .5rem 1rem;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 999px;
  color: #fff;
  text-decoration: none;
}

main {
  width: min(100%, 78rem);
  margin: auto;
  padding: 1.25rem;
}
.toolbar {
  padding: 1rem 0 1.25rem;
  border-bottom: 1px solid var(--line);
}
.filters {
  display: flex;
  gap: .65rem;
  overflow-x: auto;
  padding: .25rem 0 .7rem;
  scrollbar-width: none;
}
.filters::-webkit-scrollbar { display: none; }
.filter {
  flex: 0 0 auto;
  min-height: 2.75rem;
  padding: .55rem 1rem;
  border: 1px solid #cfc8bc;
  border-radius: 999px;
  background: rgba(255,255,255,.7);
  color: #514c44;
  font: 600 .875rem/1 "PingFang SC", sans-serif;
  cursor: pointer;
}
.filter[aria-pressed="true"] {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}
.toolbar__hint {
  margin: .3rem 0 0;
  color: var(--muted);
  font-family: "PingFang SC", sans-serif;
  font-size: .875rem;
}

.content-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
  padding: 1.25rem 0 4rem;
}
.card {
  overflow: hidden;
  background: var(--card);
  border: 1px solid rgba(174, 163, 145, .35);
  border-radius: 1.4rem;
  box-shadow: var(--shadow);
  animation: rise .42s both;
}
@keyframes rise {
  from { opacity: 0; transform: translateY(.8rem); }
  to { opacity: 1; transform: none; }
}
.card__copy { padding: 1.4rem 1.25rem 1.1rem; }
.card__meta {
  display: flex;
  justify-content: space-between;
  gap: .75rem;
  color: var(--muted);
  font: .82rem/1.4 "PingFang SC", sans-serif;
}
.card h2 {
  margin: 1rem 0 .65rem;
  font-size: clamp(1.45rem, 6vw, 2rem);
  line-height: 1.3;
  letter-spacing: -.02em;
}
.card__body {
  max-width: 65ch;
  margin: 0;
  font-size: 1.05rem;
}
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-top: 1rem;
}
.tag {
  padding: .28rem .7rem;
  border-radius: 999px;
  background: var(--sage);
  color: #42604f;
  font: 600 .86rem/1.5 "PingFang SC", sans-serif;
}
.card__facts {
  display: grid;
  grid-template-columns: 3.5rem 1fr;
  gap: .15rem .7rem;
  margin: 1.1rem 0 0;
  padding-top: .9rem;
  border-top: 1px solid var(--line);
  font: .9rem/1.55 "PingFang SC", sans-serif;
}
.card__facts dt { color: #948d82; }
.card__facts dd { margin: 0; }
.card__media {
  min-height: 12rem;
  background: #e6e2da;
}
.card__media img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 42rem;
  object-fit: contain;
  background: #ede9e2;
}
.media-empty {
  display: grid;
  min-height: 12rem;
  place-items: center;
  padding: 2rem;
  color: #81796e;
  font-family: "PingFang SC", sans-serif;
  text-align: center;
  background:
    linear-gradient(135deg, transparent 48%, rgba(112,103,90,.09) 49%, rgba(112,103,90,.09) 51%, transparent 52%),
    #e9e5de;
  background-size: 1.5rem 1.5rem;
}
.card__actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .65rem;
  padding: 1rem 1.25rem 1.25rem;
}
.action {
  display: inline-flex;
  min-height: 3rem;
  align-items: center;
  justify-content: center;
  border: 1px solid #bcb4a8;
  border-radius: .85rem;
  background: transparent;
  color: var(--ink);
  font: 600 .95rem/1 "PingFang SC", sans-serif;
  text-decoration: none;
  cursor: pointer;
}
.action--primary {
  border-color: var(--green);
  background: var(--green);
  color: #fff;
}
.action[aria-disabled="true"] {
  opacity: .45;
  pointer-events: none;
}
.toast {
  position: fixed;
  z-index: 10;
  left: 50%;
  bottom: 1.25rem;
  transform: translate(-50%, 5rem);
  padding: .7rem 1rem;
  border-radius: 999px;
  background: #171914;
  color: #fff;
  opacity: 0;
  transition: .25s ease;
  font: .9rem/1.4 "PingFang SC", sans-serif;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

@media (min-width: 48rem) {
  .hero__inner { padding: 4.5rem 2rem 3.5rem; }
  main { padding-inline: 2rem; }
  .content-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.5rem; }
  .card__copy { padding: 1.75rem 1.7rem 1.25rem; }
  .card__actions { padding-inline: 1.7rem; }
}

@media (min-width: 64rem) {
  .content-grid { gap: 2rem; }
  .toolbar { position: sticky; top: 0; z-index: 5; background: rgba(242,239,233,.88); backdrop-filter: blur(1rem); }
}

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; animation: none !important; transition: none !important; }
}