:root{
  /* misma paleta azul & amarillo del resto del sitio,
     reacomodada en versión nocturna: los acentos brillantes
     se quedan casi iguales, y los tonos "pálidos" pasan a ser
     paneles oscuros en vez de fondos claros. */
  --blue-deep:#3D8FC9;
  --blue-deep-dark:#123A57;
  --blue:#8ED7FF;
  --blue-pale:#14283D;
  --yellow-deep:#F5B93C;
  --yellow-deep-dark:#FFD874;
  --yellow:#C98A1B;
  --yellow-pale:#241B08;

  --bg:#0A1524;
  --card:#101F34;
  --ink:#EAF2FB;
  --ink-soft:#8FA9C4;
  --line:#1D3550;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}

body{
  margin:0;
  background:
    radial-gradient(1200px 500px at 10% -10%, rgba(245,185,60,0.14), transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, rgba(79,168,224,0.22), transparent 55%),
    var(--bg);
  color:var(--ink);
  font-family:'Poppins', sans-serif;
  line-height:1.55;
}

h1,h2,h3{
  font-family:'Fredoka', sans-serif;
  margin:0;
  font-weight:600;
}

.window-links, .ficha-num, .index-title{
  font-family:'Space Mono', monospace;
}

/* =====================================================
   TARJETA "PERFIL" — portada del sitio
   ===================================================== */
.card-window{
  max-width:960px;
  margin:48px auto 64px auto;
  background:var(--card);
  border:2px solid var(--blue-deep);
  border-radius:26px;
  box-shadow:0 22px 0 -6px rgba(79,168,224,0.15), 0 30px 50px -20px rgba(0,0,0,0.65);
  overflow:hidden;
}

.window-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:16px 26px;
  border-bottom:2px solid var(--blue-pale);
}
.dots{ display:flex; gap:9px; }
.dot{ width:13px; height:13px; border-radius:50%; display:inline-block; }
.dot-a{ background:var(--blue-deep); }
.dot-b{ background:var(--yellow-deep); }
.dot-c{ background:var(--blue); }

.window-links{
  display:flex;
  gap:8px;
  align-items:center;
  font-size:0.78rem;
  font-weight:700;
  color:var(--ink-soft);
}
.window-links span{ color:#3A5776; }
.ghost-link{
  border:none;
  background:none;
  padding:0;
  font-family:'Poppins', sans-serif;
  font-size:0.78rem;
  font-weight:700;
  color:var(--blue-deep);
  text-decoration:none;
  cursor:pointer;
  transition:color .2s ease;
}
.ghost-link:hover{ color:var(--yellow-deep-dark); }

.window-body{
  display:grid;
  grid-template-columns:auto 1.3fr 1fr;
  gap:32px;
  padding:34px 32px 26px 32px;
}

.avatar-col{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:10px;
  text-align:center;
}
.avatar{
  width:104px; height:104px;
  border-radius:50%;
  background:linear-gradient(140deg, var(--yellow-pale), var(--blue));
  border:3px solid var(--card);
  outline:3px solid var(--yellow-deep);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:2.6rem;
  box-shadow:0 8px 18px -8px rgba(0,0,0,0.55);
}
.avatar-meta{
  margin:0;
  font-size:0.72rem;
  color:var(--ink-soft);
  display:flex;
  align-items:center;
  gap:5px;
}
.dot-status{
  width:8px; height:8px; border-radius:50%;
  background:var(--yellow-deep);
  display:inline-block;
  box-shadow:0 0 0 3px rgba(245,185,60,0.25);
}

.info-col{ min-width:0; }
.title-gradient{
  font-size:clamp(1.7rem, 7vw, 2.4rem);
  background:linear-gradient(90deg, var(--yellow-deep-dark), var(--blue-deep));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:16px;
}
.info-list{
  list-style:none;
  margin:0 0 22px 0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:8px;
  font-size:0.9rem;
  color:var(--ink-soft);
  border-bottom:2px dashed var(--line);
  padding-bottom:18px;
}
.info-list strong{
  color:var(--ink);
  font-weight:600;
  margin-right:6px;
}

.button-row{ display:flex; gap:12px; flex-wrap:wrap; }
.pill-btn{
  font-family:'Poppins', sans-serif;
  font-weight:600;
  font-size:0.85rem;
  padding:11px 20px;
  border-radius:999px;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.pill-btn-solid{
  border:2px solid var(--blue-deep);
  background:var(--blue);
  color:var(--blue-deep-dark);
}
.pill-btn-outline{
  border:2px solid var(--yellow-deep);
  background:var(--yellow-pale);
  color:var(--yellow-deep-dark);
}
.pill-btn:hover{ transform:translateY(-3px); box-shadow:0 10px 16px -8px rgba(0,0,0,0.5); }
.pill-btn:active{ transform:translateY(0); }

.index-col{ min-width:0; }
.index-title{
  font-size:0.72rem;
  text-transform:uppercase;
  letter-spacing:0.06em;
  color:var(--ink-soft);
  margin-bottom:10px;
  display:block;
}
.index-list{
  display:flex;
  flex-direction:column;
  border-top:2px solid var(--line);
}
.index-link{
  padding:10px 4px;
  border-bottom:2px solid var(--line);
  color:var(--ink);
  text-decoration:none;
  font-size:0.86rem;
  font-weight:500;
  transition:padding-left .2s ease, color .2s ease;
  display:flex;
  align-items:center;
  gap:8px;
}
.index-link:hover{ padding-left:10px; color:var(--yellow-deep-dark); }
.index-empty{
  padding:14px 4px;
  font-size:0.82rem;
  color:var(--ink-soft);
}

.window-footer{
  text-align:center;
  font-size:0.75rem;
  color:var(--ink-soft);
  padding:16px;
  margin:0;
}

/* =====================================================
   SECCIONES
   ===================================================== */
.lead-section{
  max-width:1080px;
  margin:0 auto;
  padding:0 24px 8px 24px;
}
.lead-section .lead{
  max-width:780px;
  margin:0 auto;
  color:var(--ink-soft);
  font-size:1.02rem;
  text-align:center;
}

section{
  max-width:1080px;
  margin:0 auto;
  padding:56px 24px 8px 24px;
  scroll-margin-top:32px;
}
.section-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:6px;
  flex-wrap:wrap;
  justify-content:space-between;
}
.section-head > h2{ margin-right:auto; }
.section-head h2{
  font-size:1.7rem;
  color:var(--ink);
}
.section-tag{
  font-family:'Space Mono', monospace;
  font-size:0.72rem;
  padding:4px 14px;
  border-radius:20px;
  font-weight:700;
  color:#fff;
}
.tag-blue-deep{ background:var(--blue-deep); color:#fff; }

.section-note{
  max-width:70ch;
  color:var(--ink-soft);
  font-size:0.95rem;
  margin-top:10px;
  margin-bottom:36px;
}

/* =====================================================
   TARJETAS DE PÁGINA (mismo lenguaje visual que las fichas)
   ===================================================== */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px, 1fr));
  gap:22px;
  padding-bottom:16px;
}

.ficha{
  position:relative;
  aspect-ratio:3/4;
  border-radius:20px;
  overflow:hidden;
  cursor:pointer;
  border:none;
  padding:0;
  background:none;
  box-shadow:0 6px 0 rgba(0,0,0,0.35);
  transition:transform .35s cubic-bezier(.2,.8,.2,1), box-shadow .35s ease;
  -webkit-tap-highlight-color:transparent;
  text-decoration:none;
  display:block;
}
.ficha:hover, .ficha:focus-visible{
  transform:translateY(-6px) scale(1.045);
  box-shadow:0 18px 30px -12px rgba(0,0,0,0.6);
  z-index:2;
}
.ficha:active{ transform:translateY(-2px) scale(1.01); }

.ficha-art{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.ficha-icon{
  font-size:3.4rem;
  transform:scale(1);
  transition:transform .45s cubic-bezier(.34,1.56,.64,1);
  filter:drop-shadow(0 6px 10px rgba(0,0,0,0.4));
}
.ficha:hover .ficha-icon{ transform:scale(1.18) rotate(-4deg); }

.ficha-shade{
  position:absolute;
  inset:0;
  padding:16px 16px 14px 16px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  background:linear-gradient(
    180deg,
    rgba(0,0,0,0.15) 0%,
    rgba(0,0,0,0) 30%,
    rgba(0,0,0,0) 55%,
    rgba(0,0,0,0.75) 100%
  );
  color:#fff;
  text-align:left;
}
.ficha-shade h3{
  font-size:1rem;
  line-height:1.2;
  color:#fff;
}
.ficha-shade span{
  display:block;
  font-size:0.72rem;
  opacity:0.9;
  margin-top:2px;
}

.art-blue-deep{ background:linear-gradient(135deg, var(--blue-deep-dark), var(--blue-deep)); }
.art-blue{ background:linear-gradient(135deg, var(--blue-deep), var(--blue)); }
.art-yellow-deep{ background:linear-gradient(135deg, var(--yellow-deep-dark), var(--yellow-deep)); }
.art-yellow{ background:linear-gradient(135deg, var(--yellow-deep), var(--yellow)); }

.ficha-art::before{
  content:"";
  position:absolute; inset:0;
  background-image:radial-gradient(rgba(255,255,255,0.4) 1.5px, transparent 1.5px);
  background-size:16px 16px;
  opacity:.35;
}

/* =====================================================
   FOOTER
   ===================================================== */
footer{
  max-width:1080px;
  margin:40px auto 0 auto;
  padding:30px 24px 60px 24px;
  border-top:2px dashed var(--blue-pale);
}
footer p{
  font-size:0.82rem;
  color:var(--ink-soft);
  max-width:70ch;
}

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 780px){
  .card-window{ margin:24px 12px 40px 12px; border-radius:20px; }
  .window-body{ grid-template-columns:1fr; gap:24px; padding:26px 24px 20px 24px; }
  .avatar-col{ flex-direction:row; justify-content:flex-start; text-align:left; }
  .avatar-meta{ justify-content:flex-start; }
}

@media (max-width: 560px){
  .window-bar{ padding:12px 16px; }
  .window-body{ padding:22px 18px 18px 18px; gap:20px; }
  .avatar{ width:76px; height:76px; font-size:2rem; }
  .info-list{ font-size:0.85rem; gap:6px; padding-bottom:14px; margin-bottom:18px; }
  .button-row{ flex-direction:column; }
  .pill-btn{ width:100%; text-align:center; }
  .window-footer{ font-size:0.68rem; padding:12px; }

  section{ padding:40px 16px 8px 16px; }
  .section-head h2{ font-size:1.35rem; }
  .section-note{ font-size:0.88rem; margin-bottom:26px; }

  .grid{ grid-template-columns:repeat(2, 1fr); gap:12px; }
  .ficha{ aspect-ratio:1/1; }
  .ficha-icon{ font-size:2.2rem; }
  .ficha-shade{ padding:10px 10px 9px 10px; }
  .ficha-shade h3{ font-size:0.8rem; }
  .ficha-shade span{ font-size:0.62rem; }

  footer{ padding:24px 16px 48px 16px; }
}

@media (max-width: 400px){
  .card-window{ margin:16px 8px 32px 8px; border-radius:16px; }
  .window-bar{ padding:10px 14px; flex-wrap:wrap; gap:8px; }
  .window-links{ font-size:0.72rem; }
  .dot{ width:11px; height:11px; }

  .window-body{ padding:18px 14px 16px 14px; }
  .avatar-col{ gap:8px; }
  .avatar{ width:64px; height:64px; font-size:1.7rem; flex:0 0 auto; }
  .avatar-meta{ font-size:0.66rem; }
  .info-list{ font-size:0.8rem; }

  section{ padding:32px 12px 8px 12px; }
  .grid{ grid-template-columns:repeat(2, 1fr); gap:10px; }
  .ficha{ aspect-ratio:1/1; }
  .ficha-icon{ font-size:1.9rem; }
  .ficha-shade{ padding:8px 9px 8px 9px; }
  .ficha-shade h3{ font-size:0.72rem; line-height:1.15; }
  .ficha-shade span{ font-size:0.58rem; margin-top:1px; }

  .modal-add{ padding:22px 18px 18px 18px; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition-duration:.001ms !important; animation-duration:.001ms !important; }
}

@media print{
  body{ background:#fff; }
  .window-links, .button-row{ display:none !important; }
  .card-window{ box-shadow:none; border-color:#ccc; }
}