:root{
  --navy:#081a33;
  --blue:#2e668d;
  --green:#6fb243;
  --green-dark:#4f8f2f;
  --ink:#1c2833;
  --muted:#66727c;
  --line:#dbe3e8;
  --paper:#ffffff;
  --wash:#f5f8fa;
  --shadow:0 8px 24px rgba(24,50,74,.08);
  --radius:16px;
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--wash);
}
a{color:inherit}
.topbar{
  background:var(--navy);
  color:#fff;
  position:sticky;
  top:0;
  z-index:20;
  box-shadow:0 2px 12px rgba(0,0,0,.12);
}
.nav{
  max-width:1180px;
  margin:auto;
  min-height:66px;
  padding:0 20px;
  display:flex;
  align-items:center;
  gap:18px;
}
.brand{
  font-weight:900;
  letter-spacing:-.03em;
  font-size:1.22rem;
  white-space:nowrap;
}
.brand span{color:#ffd84d}
.navlinks{
  display:flex;
  gap:6px;
  margin-left:auto;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.navlinks a{
  text-decoration:none;
  color:#fff;
  font-size:.92rem;
  font-weight:700;
  padding:9px 11px;
  border-radius:9px;
}
.navlinks a:hover,.navlinks a.active{background:rgba(255,255,255,.13)}
.hero{
  background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;
  padding:28px 20px;
}
.hero-inner{max-width:1180px;margin:auto}
.kicker{
  display:inline-block;
  background:var(--green);
  color:#102416;
  font-weight:900;
  font-size:.78rem;
  text-transform:uppercase;
  letter-spacing:.08em;
  padding:7px 10px;
  border-radius:999px;
  margin-bottom:14px;
}
h1{
  margin:0 0 10px;
  font-size:clamp(2rem,5vw,2.8rem);
  letter-spacing:-.045em;
  line-height:1;
}
.hero p{
  margin:0;
  max-width:760px;
  color:#e8f0f5;
  font-size:1.05rem;
  line-height:1.55;
}
.container{
  max-width:1180px;
  margin:auto;
  padding:24px 20px 52px;
}
.notice{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:#edf7e8;
  border:1px solid #cfe6c2;
  border-radius:14px;
  padding:14px 16px;
  margin-bottom:20px;
  font-size:.94rem;
  line-height:1.45;
}
.notice strong{color:#315f20}
.toolbar{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:14px;
  margin-bottom:18px;
  display:grid;
  grid-template-columns:1.5fr repeat(3,minmax(140px,.65fr));
  gap:10px;
}
.control{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.control label{
  font-size:.875rem;
  font-weight:900;
  letter-spacing:.04em;
  text-transform:uppercase;
  color:var(--muted);
}
input,select{
  width:100%;
  border:1px solid #cbd6dc;
  border-radius:10px;
  min-height:42px;
  padding:0 12px;
  font:inherit;
  background:#fff;
  color:var(--ink);
  outline:none;
}
input:focus,select:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,102,141,.12)}
.tabs{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin:0 0 18px;
}
.tab{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:10px 14px;
  font-weight:850;
  cursor:pointer;
}
.tab.active{
  background:var(--navy);
  border-color:var(--navy);
  color:#fff;
}
.grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.card-head{
  padding:16px 18px 13px;
  border-bottom:1px solid var(--line);
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
}
.subject{
  font-size:1.16rem;
  font-weight:900;
  letter-spacing:-.02em;
}
.meta{
  margin-top:3px;
  color:var(--muted);
  font-size:.86rem;
}
.badge{
  flex:none;
  font-size:.875rem;
  font-weight:900;
  padding:6px 9px;
  border-radius:999px;
  color:#315f20;
  background:#edf7e8;
  border:1px solid #cfe6c2;
}
.rows{padding:6px 14px 12px}
.row{
  display:grid;
  grid-template-columns:76px 1fr auto;
  gap:10px;
  align-items:center;
  padding:10px 4px;
  border-bottom:1px solid #edf1f3;
}
.row:last-child{border-bottom:none}
.year{
  font-weight:950;
  color:var(--navy);
}
.paper-name{
  font-weight:750;
  font-size:.91rem;
}
.buttons{
  display:flex;
  gap:6px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
.btn{
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:7px 10px;
  border-radius:9px;
  font-size:.875rem;
  font-weight:900;
  border:1px solid var(--blue);
  color:var(--blue);
  background:#fff;
}
.btn.ms{
  background:var(--navy);
  color:#fff;
  border-color:var(--navy);
}
.btn:hover{transform:translateY(-1px)}
.empty{
  grid-column:1/-1;
  text-align:center;
  background:#fff;
  border:1px dashed #bbc8cf;
  border-radius:16px;
  padding:32px;
  color:var(--muted);
}
.footer{
  border-top:1px solid var(--line);
  background:#fff;
  color:var(--muted);
  font-size:.85rem;
  padding:22px 20px;
  text-align:center;
}
.footer a{color:var(--blue);font-weight:800}
@media(max-width:850px){
  .nav{flex-wrap:wrap;padding:12px 20px;gap:8px}
  .navlinks{margin-left:0;justify-content:flex-start}
  .toolbar{grid-template-columns:1fr 1fr}
  .control.search{grid-column:1/-1}
  .grid{grid-template-columns:1fr}
}
@media(max-width:560px){
  .hero{padding-top:32px}
  .toolbar{grid-template-columns:1fr}
  .control.search{grid-column:auto}
  .row{grid-template-columns:60px 1fr}
  .buttons{grid-column:1/-1;justify-content:stretch}
  .btn{flex:1}
  .card-head{align-items:center}
}
.unavailable{font-size:14px;color:#66727c}.row{grid-template-columns:110px minmax(0,1fr)}.buttons{grid-column:1/-1;justify-content:flex-start}.year{white-space:normal;font-size:15px}

/* Same paper cards as the official directory, with a compact Set 1 listing. */
.topbar{border-bottom:3px solid #ffd84d}.hero{padding:22px 20px}h1{line-height:1.15}.hero p{font-size:1rem}.container{padding-top:22px}.toolbar{grid-template-columns:1.6fr 1fr 1fr}.subject{margin:0}.meta{margin-bottom:0;font-size:.875rem}.badge{background:#fff4bf;border-color:#ecd474;color:#5b4509}.tab.active{background:#081a33}.row{grid-template-columns:60px minmax(0,1fr)}.buttons{grid-column:1/-1;justify-content:flex-start;margin-top:4px}.btn{flex:1;min-height:46px}.paper-name{font-size:.94rem}.tier-note,#result-count{font-size:.94rem;color:var(--muted);margin:0 0 16px}.skip-link{position:absolute;top:-100px;left:12px;background:white;color:#081a33;padding:12px;z-index:40}.skip-link:focus{top:8px}.empty{grid-column:1/-1}.card[hidden],.empty[hidden],.tier-note[hidden]{display:none!important}
@media(max-width:850px){.toolbar{grid-template-columns:1fr 1fr}.control.search{grid-column:1/-1}.hero{padding:20px}.nav{gap:6px}.navlinks a{font-size:.875rem;padding:8px 10px}}
@media(max-width:560px){.toolbar{grid-template-columns:1fr 1fr;padding:12px}.control.search{grid-column:1/-1}.tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px}.tab{font-size:.875rem;border-radius:10px;padding:10px 8px;min-height:44px}.container{padding:18px 14px 36px}.hero{padding:18px 14px}.nav{padding:10px 14px}.navlinks{gap:0}.navlinks a{padding:7px 9px}.card-head{padding:14px}.subject{font-size:1.08rem}.badge{font-size:.875rem}.rows{padding:4px 10px 10px}.row{grid-template-columns:50px minmax(0,1fr)}.paper-name{font-size:.875rem}.btn{font-size:.875rem;padding:9px 8px}.brand{font-size:1.13rem}.hero p{line-height:1.4}}
@media(prefers-reduced-motion:reduce){.btn:hover{transform:none}}

.toolbar{grid-template-columns:minmax(0,1.6fr) repeat(2,minmax(0,1fr))}.control,.card-head>div{min-width:0}.card-head{flex-wrap:wrap}
@media(max-width:850px){.toolbar{grid-template-columns:repeat(2,minmax(0,1fr))}}