:root{
  /* Tu paleta */
  --c-1:#505CFA;
  --c-2:#469CFA;
  --c-3:#FADB8D;
  --c-4:#BCE1FA;

  --bg: #070a14;
  --bg2: #0b1020;
  --ink: rgba(188,225,250,.92);
  --muted: rgba(188,225,250,.76);
  --stroke: rgba(188,225,250,.28);
  --panel: rgba(188,225,250,.12);
  --panel2: rgba(188,225,250,.08);

  --radius: 18px;
  --shadow: 0 12px 36px rgba(0,0,0,.32);
}

*{ 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, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--ink);
  background:
    radial-gradient(900px 500px at 20% 10%, rgba(80,92,250,.18), transparent 60%),
    radial-gradient(900px 500px at 80% 0%, rgba(70,156,250,.14), transparent 60%),
    radial-gradient(900px 600px at 50% 100%, rgba(250,219,141,.10), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
}

/* Topbar */
.topbar{
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(10px);
  background: rgba(7,10,20,.55);
  border-bottom: 1px solid rgba(188,225,250,.14);
}
.topbar__inner{
  max-width: 1100px;
  margin: 0 auto;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand{
  display: inline-flex;
  gap: 10px;
  align-items: center;
  text-decoration: none;
  color: var(--ink);
}
.brand__pip{
  width: 12px;
  height: 28px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--c-3), var(--c-1));
  box-shadow: 0 0 0 1px rgba(250,219,141,.25);
}
.brand__text{
  font-weight: 900;
  letter-spacing: .14em;
  font-size: .9rem;
  text-transform: uppercase;
}

.nav{
  display: inline-flex;
  gap: 10px;
  align-items: center;
}
.nav__link{
  text-decoration: none;
  color: rgba(188,225,250,.82);
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  font-size: .82rem;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(188,225,250,.14);
  background: rgba(188,225,250,.06);
}
.nav__link:hover{
  border-color: rgba(250,219,141,.35);
}
.nav__link--active{
  color: rgba(11,16,32,.92);
  border-color: rgba(250,219,141,.65);
  background: linear-gradient(90deg, rgba(250,219,141,.95), rgba(188,225,250,.85));
}

/* Main shell */
.shell{
  max-width: 1100px;
  margin: 0 auto;
  padding: 18px 16px 38px;
}

/* LCARS panel */
.lcars-panel{
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(80,92,250,.10), rgba(11,16,32,.0));
  border-radius: 24px;
  padding: 18px;
}
.lcars-panel__header{
  display: grid;
  grid-template-columns: 12px 1fr;
  gap: 12px 14px;
  align-items: start;
  margin-bottom: 14px;
}
.lcars-pip{
  width: 12px;
  height: 100%;
  min-height: 54px;
  border-radius: 999px;
  background: linear-gradient(180deg, var(--c-3), var(--c-2));
}
.lcars-title{
  margin: 0;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 1.15rem;
}
.lcars-subtitle{
  margin: 6px 0 0 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: .95rem;
}

/* Grid responsive: 1 -> 2 -> 3 */
.lab-grid{
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}
@media (min-width: 640px){
  .lab-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 1024px){
  .lab-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* Card estilo “Instagram antiguo” */
.lab-card{
  display: block; /* será <a> */
  text-decoration: none;
  color: inherit;
  border-radius: var(--radius);
  overflow: hidden;
  contain: layout paint;
  isolation: isolate;
  border: 1px solid rgba(188,225,250,.24);
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  box-shadow: var(--shadow);
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
  outline: none;
}
.lab-card:hover{
  transform: translateY(-3px);
  border-color: rgba(250,219,141,.55);
  box-shadow: 0 18px 46px rgba(0,0,0,.38);
}
.lab-card:focus-visible{
  box-shadow: 0 0 0 3px rgba(250,219,141,.55), var(--shadow);
}

/* Media */
.lab-card__media{
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(120% 120% at 20% 10%, rgba(70,156,250,.55), rgba(80,92,250,.05)),
    linear-gradient(135deg, rgba(250,219,141,.35), rgba(188,225,250,.08));
}
@supports not (aspect-ratio: 4 / 3){
  .lab-card__media{ height:0; padding-top:75%; }
}
.lab-card__img{
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.02);
}

/* Top bar tipo feed */
.lab-card__topbar{
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  background: linear-gradient(180deg, rgba(7,10,20,.78), rgba(7,10,20,0));
}
.lab-card__handle{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-weight: 900;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(188,225,250,.92);
}
.lab-card__badge{
  font-size: .75rem;
  font-weight: 900;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: 7px 10px;
  border-radius: 999px;
  color: rgba(11,16,32,.92);
  background: linear-gradient(90deg, rgba(250,219,141,.95), rgba(188,225,250,.82));
  border: 1px solid rgba(250,219,141,.45);
}

/* Bottom (caption) */
.lab-card__bottom{
  padding: 12px 12px 14px;
  border-top: 1px solid rgba(188,225,250,.16);
}
.lab-card__title{
  margin: 0 0 6px 0;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-size: .92rem;
  color: rgba(188,225,250,.95);
}
.lab-card__desc{
  margin: 0;
  color: rgba(188,225,250,.78);
  line-height: 1.35;
  font-size: .92rem;
}
.lab-card__meta{
  margin-top: 10px;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(188,225,250,.62);
  font-size: .82rem;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(188,225,250,.16);
  background: rgba(188,225,250,.06);
}

/* Footer */
.footer{
  margin-top: 14px;
  padding: 12px 4px 0;
  color: rgba(188,225,250,.60);
  font-size: .9rem;
}
.footer code{
  color: rgba(250,219,141,.92);
}