:root{
  --bg1:#f7fbff;
  --bg2:#eef6ff;
  --card:#ffffff;
  --text:#0d1b2a;
  --muted:#415a77;
  --soft:#5c6f86;
  --line:rgba(13,27,42,.12);
  --accent:#1f6feb;     /* sporty blue */
  --accent2:#ff8a00;    /* basketball orange */
  --accent3:#15b77e;    /* green accent */
  --shadow: 0 18px 45px rgba(13,27,42,.10);
  --shadow2: 0 10px 26px rgba(13,27,42,.10);
  --radius:18px;
  --radius2:24px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(900px 520px at 15% 0%, rgba(31,111,235,.18), transparent 55%),
    radial-gradient(900px 520px at 90% 0%, rgba(255,138,0,.16), transparent 55%),
    linear-gradient(180deg, var(--bg1) 0%, var(--bg2) 100%);
}

a{color:inherit}
.wrap{max-width:var(--max); margin:0 auto; padding:22px 18px 46px}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
  padding:14px 14px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  border-radius: 18px;
  box-shadow: var(--shadow2);
  position: sticky;
  top: 12px;
  z-index: 20;
}

.brand{
  display:flex; gap:12px; align-items:center;
  text-decoration:none;
  min-width: 240px;
}
.logo{
  width:40px; height:40px; border-radius:14px;
  background:
    radial-gradient(circle at 35% 35%, rgba(255,255,255,.65), transparent 38%),
    linear-gradient(135deg, var(--accent2), #ffb24d);
  box-shadow: 0 10px 22px rgba(255,138,0,.22);
  position:relative;
}
.logo:after{
  content:"";
  position:absolute; inset:7px;
  border:2px solid rgba(13,27,42,.20);
  border-left-color: transparent;
  border-right-color: transparent;
  border-radius: 999px;
  transform: rotate(25deg);
}
.brand h1{font-size:15px; margin:0; letter-spacing:.2px}
.brand p{margin:0; font-size:12px; color:var(--muted); font-weight:800}

.nav{
  display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end;
}
.nav a{
  text-decoration:none;
  padding:9px 11px;
  border:1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.65);
  font-size: 13px;
  font-weight: 800;
  transition: .15s ease;
  white-space: nowrap;
}
.nav a:hover{
  transform: translateY(-1px);
  color: var(--text);
  border-color: rgba(31,111,235,.28);
  box-shadow: 0 10px 22px rgba(31,111,235,.10);
}
.nav a[aria-current="page"]{
  color: var(--text);
  border-color: rgba(31,111,235,.35);
  background: rgba(31,111,235,.08);
}

.hero{
  margin-top:16px;
  border:1px solid var(--line);
  border-radius: var(--radius2);
  background:
    radial-gradient(1100px 420px at 20% 0%, rgba(31,111,235,.14), transparent 60%),
    radial-gradient(900px 360px at 90% 0%, rgba(255,138,0,.14), transparent 62%),
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.75));
  box-shadow: var(--shadow);
  padding: 26px 20px;
  position:relative;
  overflow:hidden;
}
.hero:before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(520px 220px at 85% 18%, rgba(255,138,0,.12), transparent 62%),
    radial-gradient(520px 220px at 20% 22%, rgba(31,111,235,.14), transparent 62%);
  pointer-events:none;
}
.hero-inner{position:relative}
.kicker{
  display:inline-flex; gap:10px; align-items:center;
  font-size: 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.72);
  font-weight: 900;
}
.dot{
  width:9px; height:9px; border-radius:999px;
  background: var(--accent2);
  box-shadow: 0 0 0 6px rgba(255,138,0,.16);
}
h2{
  margin: 12px 0 10px;
  font-size: 34px;
  letter-spacing: -.5px;
  line-height:1.12;
}
.sub{
  margin:0 0 12px;
  color: var(--muted);
  max-width: 92ch;
  font-size: 15px;
  font-weight: 700;
}
.pillrow{display:flex; gap:8px; flex-wrap:wrap; margin-top: 10px}
.pill{
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.72);
  color: var(--muted);
  font-weight: 900;
}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.card{
  grid-column: span 12;
  border:1px solid var(--line);
  background: rgba(255,255,255,.86);
  border-radius: var(--radius2);
  padding: 18px 16px;
  box-shadow: var(--shadow2);
}
.card h3{margin:0 0 10px; font-size:16px; letter-spacing:-.2px}
.muted{color:var(--muted); margin:0 0 12px; font-size: 14px; font-weight:700}

.row{display:flex; gap:10px; flex-wrap:wrap; align-items:flex-end}
.col{flex:1 1 220px; min-width:220px}
label{display:block; font-size:13px; color:var(--muted); margin:0 0 6px; font-weight: 900}
select, input, textarea{
  width:100%;
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid rgba(13,27,42,.14);
  background: rgba(255,255,255,.92);
  color: var(--text);
  outline:none;
  font-family: var(--font);
  font-size: 14px;
}
textarea{min-height:120px; resize:vertical}
select:focus, input:focus, textarea:focus{
  border-color: rgba(31,111,235,.35);
  box-shadow: 0 0 0 4px rgba(31,111,235,.12);
}

.actions{display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px}
.btn{
  border: 1px solid rgba(31,111,235,.22);
  background: rgba(31,111,235,.10);
  color: var(--text);
  font-weight: 950;
  padding: 11px 14px;
  border-radius: 14px;
  cursor:pointer;
  transition: .15s ease;
  font-size: 14px;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.btn:hover{transform: translateY(-1px); background: rgba(31,111,235,.14)}
.btn.secondary{
  border-color: rgba(13,27,42,.12);
  background: rgba(255,255,255,.78);
  color: var(--muted);
  font-weight: 950;
}
.btn.secondary:hover{color:var(--text); border-color: rgba(31,111,235,.22)}

.output{
  margin-top: 12px;
  border: 1px solid rgba(255,138,0,.22);
  background: linear-gradient(180deg, rgba(255,138,0,.08), rgba(255,255,255,.88));
  border-radius: 18px;
  padding: 14px 14px;
}
.output h4{margin:0 0 8px; font-size:14px}
.drill-title{margin:0 0 6px; font-size: 18px; font-weight: 1000; letter-spacing: -.2px}
.drill-body{margin:0; color: var(--muted); white-space: pre-wrap; font-size: 14px; font-weight:700}
.meta{
  margin-top: 10px;
  color: var(--soft);
  font-size: 12px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  flex-wrap:wrap;
  font-weight: 900;
}

.list{
  margin-top: 12px;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 10px;
}
.chip{
  grid-column: span 6;
  border: 1px solid rgba(13,27,42,.12);
  border-radius: 18px;
  padding: 12px;
  background: rgba(255,255,255,.78);
  color: var(--muted);
  font-size: 14px;
  white-space: pre-wrap;
  box-shadow: 0 8px 18px rgba(13,27,42,.06);
  font-weight:700;
}
.chip strong{color: var(--text); font-weight: 950}
.chip .small{display:block; color: var(--soft); font-size: 12px; margin-top: 6px; font-weight: 900}

.two{
  grid-column: span 6;
}
@media (max-width: 920px){
  .two{grid-column: span 12}
  .chip{grid-column: span 12}
  h2{font-size: 28px;}
  .topbar{position:relative; top:0}
}

.note{
  margin-top: 10px;
  color: var(--soft);
  font-size: 13px;
  border-left: 4px solid rgba(255,138,0,.55);
  padding-left: 10px;
  font-weight: 800;
}

footer{
  margin-top: 18px;
  color: var(--soft);
  font-size: 12px;
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap;
  padding: 10px 2px;
}
footer a{color: var(--muted); text-decoration:none; font-weight: 950}
footer a:hover{color:var(--text); text-decoration:underline}

.smallprint{
  color: var(--soft);
  font-size: 12px;
  font-weight:800;
}

.hr{
  height:1px;
  background: rgba(13,27,42,.10);
  margin: 12px 0;
  border:0;
}

.cardgrid{
  display:grid;
  grid-template-columns: repeat(12,1fr);
  gap: 12px;
}
.tile{
  grid-column: span 4;
  border:1px solid rgba(13,27,42,.12);
  border-radius: 22px;
  background: rgba(255,255,255,.78);
  padding: 14px;
  box-shadow: 0 10px 22px rgba(13,27,42,.07);
}
@media (max-width: 920px){ .tile{grid-column: span 12} }
.tile h4{margin:0 0 6px; font-size:15px; letter-spacing:-.2px}
.tile p{margin:0 0 10px; color:var(--muted); font-size: 13px; font-weight:700}
.tile a{margin-top:4px}
/* =========================
   Library pages polish
   ========================= */

.library-page .skip-link{
  position:absolute;
  left:-9999px;
  top:auto;
  width:1px;
  height:1px;
  overflow:hidden;
}

.library-page .skip-link:focus{
  left:16px;
  top:16px;
  width:auto;
  height:auto;
  padding:10px 12px;
  background:#fff;
  border:1px solid rgba(15,23,42,.12);
  border-radius:12px;
  z-index:9999;
  box-shadow:0 12px 30px rgba(15,23,42,.18);
}

.library-page .site-header{
  position:sticky;
  top:0;
  z-index:60;
  padding:18px 0;
}

.library-page .site-header .topbar{
  background:rgba(255,255,255,.78);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border:1px solid rgba(15,23,42,.08);
  border-radius:22px;
  padding:14px 16px;
  box-shadow:0 18px 45px rgba(15,23,42,.12);
}

.library-page .site-header .brand{
  gap:12px;
}

.library-page .site-header .brand-title{
  font-weight:800;
  letter-spacing:-0.01em;
}

.library-page .site-header .brand-subtitle{
  opacity:.85;
}

.library-page .site-header .nav{
  flex-wrap:wrap;
  justify-content:flex-end;
  gap:10px;
}

@media (max-width: 980px){
  .library-page .site-header .topbar{
    border-radius:18px;
  }
  .library-page .site-header .nav{
    justify-content:flex-start;
  }
}