:root{
  --bg: #0b1220;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --border: rgba(255,255,255,.12);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.55);
  --shadow: 0 14px 40px rgba(0,0,0,.38);
  --radius: 18px;
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 700px at 20% -10%, rgba(99,102,241,.45), transparent 60%),
    radial-gradient(900px 700px at 90% 10%, rgba(34,197,94,.25), transparent 55%),
    radial-gradient(900px 900px at 40% 110%, rgba(59,130,246,.22), transparent 60%),
    var(--bg);
  line-height: 1.5;
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.wrap{
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.header{
  position: sticky;
  top: 0;
  z-index: 10;
  padding: 18px 0 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(11,18,32,.85), rgba(11,18,32,.55));
  backdrop-filter: blur(10px);
}

.brand{
  display: flex;
  gap: 14px;
  align-items: center;
}

.logo{
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: rgba(255,255,255,.10);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  font-weight: 900;
}

.brand-text h1{
  margin: 0;
  font-size: clamp(20px, 3vw, 28px);
  letter-spacing: .2px;
}
.subtitle{
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.toolbar{
  margin-top: 12px;
  display: grid;
  gap: 10px;
}

.search{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.search input{
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  padding: 6px 4px;
}
.search input::placeholder{ color: rgba(255,255,255,.55); }

.hint{
  flex: 0 0 auto;
  font-size: 12px;
  color: var(--muted2);
}

.nav{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.chip{
  display: inline-flex;
  align-items: center;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.15);
  background: rgba(255,255,255,.06);
  font-size: 13px;
  font-weight: 700;
}
.chip:hover{
  text-decoration: none;
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.22);
}

.meta{
  margin-top: 10px;
  color: var(--muted2);
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.dot{ opacity: .6; }

.section{
  padding: 22px 0 6px;
}
.section-head{
  margin-bottom: 12px;
}
.section-head h2{
  margin: 0 0 6px;
  font-size: 18px;
}
.section-note{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){
  .grid{ grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px){
  .grid{ grid-template-columns: 1fr; }
  .hint{ display: none; }
  .header{ position: static; }
}

.card{
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  box-shadow: var(--shadow);
  padding: 14px 14px 12px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 178px;
}

.card-top{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.card-title{
  margin: 0;
  font-size: 15px;
  line-height: 1.35;
}
.tag{
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.05);
  color: var(--muted);
}

.card-desc{
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.card-actions{
  margin-top: auto;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.10);
  font-weight: 800;
  font-size: 13px;
  box-shadow: 0 8px 18px rgba(0,0,0,.25);
  cursor: pointer;
}
.btn:hover{
  text-decoration: none;
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.25);
}
.btn:active{ transform: translateY(1px); }

.btn-ghost{
  background: transparent;
  border-color: rgba(255,255,255,.18);
  color: rgba(255,255,255,.86);
}
.btn-ghost:hover{
  background: rgba(255,255,255,.06);
}

.card-link{
  font-size: 12px;
  color: rgba(255,255,255,.55);
  word-break: break-all;
  border-top: 1px dashed rgba(255,255,255,.10);
  padding-top: 10px;
}

.footer{
  margin-top: 22px;
  padding: 22px 0 28px;
  border-top: 1px solid var(--border);
  background: rgba(255,255,255,.02);
}
.footer-inner{
  text-align: center;
  color: var(--muted2);
  font-size: 13px;
}

.sr-only{
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}