:root{
  --page-bg: var(--background-gray);
  --panel: var(--background-white);
  --muted: var(--border-color);
  --ink: var(--text-primary);
  --subtle: var(--text-secondary);
  --brand: var(--primary-color);
  --brand-dark: var(--primary-dark);
  --radius: var(--radius-xl);

  --hero-left:#bfe0ff;
  --hero-right:#0b2f8f;
  --hero-top:#e6f2ff;
  --cta:#16a34a;
  --hero-h1:#b11a56;
}

body{
  background: var(--page-bg);
}

.topbar{
  background: var(--panel);
  border-bottom: 1px solid var(--muted);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.topbar-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.brand{
  text-decoration: none;
  font-weight: 700;
  font-size: 20px;
  color: var(--brand);
}

.topnav ul{
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  gap: 18px;
}

.topnav a{
  text-decoration: none;
  color: var(--ink);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
  display: inline-block;
}

.topnav a:hover{
  border-color: var(--muted);
}

.topnav a.active{
  border-color: var(--muted);
  background: var(--background-light);
}

.hero{
  background-color: var(--hero-left);
  background-image:
    linear-gradient(to top, rgba(230,242,255,0) 0%, rgba(230,242,255,1) 78%),
    linear-gradient(to right, var(--hero-left) 0%, var(--hero-right) 100%);
  background-repeat: no-repeat;
  padding: 56px 0 40px;
}

.hero-inner{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
}

.hero h1{
  margin: 0;
  font-size: 38px;
  letter-spacing: 0.2px;
  color: var(--hero-h1);
}

.lede{
  max-width: 900px;
  color: rgba(15,23,42,.88);
}

.hero-meta{
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
}

.pill{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(255,255,255,.55);
  color: rgba(15,23,42,.88);
  font-weight: 500;
  font-size: 0.9rem;
}

.pill-link{
  text-decoration: none;
  background: rgba(22,163,74,.12);
  border-color: rgba(22,163,74,.25);
  color: rgba(15,23,42,.92);
}

.pill-link:hover{
  filter: brightness(.98);
  background: rgba(22,163,74,.18);
}

.searchform{
  display: flex;
  gap: 10px;
  width: 100%;
  max-width: 860px;
  justify-content: center;
  margin-top: 6px;
}

.searchform input{
  flex: 1;
  border: 1px solid rgba(255,255,255,.65);
  background: rgba(255,255,255,.92);
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 16px;
  outline: none;
}

.searchform input:focus{
  outline: 2px solid rgba(37,99,235,.35);
  outline-offset: 2px;
}

.searchform button{
  border: none;
  outline: none;
  background: var(--cta);
  color: white;
  padding: 12px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}

.searchform button:hover{
  filter: brightness(.95);
}

.search-note{
  margin-top: 6px;
  font-size: 0.95rem;
  color: rgba(15,23,42,.82);
}

.search-note .q{
  font-weight: 700;
}

.main{
  padding: 28px 28px 50px;
}

.teaser-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.card{
  background: var(--panel);
  border: 1px solid var(--muted);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}

.teaser-card{
  transition: transform .2s ease, box-shadow .2s ease;
}

.teaser-card:hover{
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-top{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 12px;
}

.fileline{
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: var(--background-light);
  border: 1px solid var(--muted);
  border-radius: 999px;
  padding: 4px 10px;
  width: fit-content;
}

.teaser-title{
  margin: 0;
  color: var(--ink);
  font-size: 20px;
  line-height: 1.25;
  text-align: left;
}

.teaser-date{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--background-light);
  border: 1px solid var(--muted);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.teaser-text{
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.65;
  text-align: left;
}

.empty{
  background: var(--panel);
  border: 1px solid var(--muted);
  border-radius: var(--radius);
  padding: 22px;
}

.empty h2{
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 22px;
}

.empty p{
  margin: 0;
  color: var(--text-secondary);
}

.footer-muted{
  color: #d1d5db;
}

@media (max-width: 640px){
  .hero h1{
    font-size: 32px;
  }

  .searchform{
    flex-direction: column;
    align-items: stretch;
  }

  .searchform button{
    width: 100%;
  }
}