:root {
  --bg: #020715;
  --panel: #071536;
  --panel2: #0b1d45;
  --blue: #087cff;
  --cyan: #69edff;
  --pink: #ff67dc;
  --text: #edf5ff;
  --muted: #9db3d8;
  --border: #1768c5;
  --green: #8dffb2;
}

/* Selector universal corregido */
* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 86px; }
body {
  margin: 0;
  color: var(--text);
  font: 14px Tahoma, Verdana, sans-serif;
  background: radial-gradient(ellipse at 50% -10%, #103a83 0, transparent 50%), radial-gradient(#12336a 1px, transparent 1px), #020715;
  background-size: auto, 9px 9px, auto;
}

a { color: inherit; }
button, input, select { font: inherit; }

/* Barra Superior */
.top {
  position: sticky;
  top: 0;
  z-index: 20;
  background: linear-gradient(#087df3, #0046bb 48%, #001742);
  border-bottom: 3px solid var(--cyan);
  box-shadow: 0 5px 20px #000a;
}
.topin { max-width: 1420px; margin: auto; padding: 10px 16px; display: flex; align-items: center; gap: 18px; }
.brand { font-size: 25px; font-weight: bold; white-space: nowrap; text-shadow: 2px 2px #00102e; }
.brand span { color: var(--cyan); }
.brand small { display: block; font-size: 10px; letter-spacing: 2px; font-weight: normal; margin-top: 3px; }

.nav { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.nav a { padding: 9px 12px; text-decoration: none; font-weight: bold; color: white; background: linear-gradient(#398de9, #123b80); border: 1px solid #8fc9ff; }
.nav a:hover { background: linear-gradient(#ff73dc, #8e218b); }

/* Estructura y Layout */
.page-wrapper { max-width: 1420px; margin: 0 auto; position: relative; }
.shell { max-width: 1220px; margin: 20px auto; padding: 0 14px; display: grid; grid-template-columns: 210px minmax(0, 1fr); gap: 16px; }

.side { position: sticky; top: 78px; align-self: start; background: #07132f; border: 1px solid var(--border); padding: 10px; }
.bar { padding: 8px 10px; background: linear-gradient(90deg, #00133c, #0069e8, #00133c); font-weight: bold; border-bottom: 1px solid #318aff; display: flex; justify-content: space-between; }
.side a { display: block; text-decoration: none; padding: 10px; margin-top: 5px; background: linear-gradient(90deg, #0b2049, #07132f); border: 1px solid #173f78; color: #dcecff; }
.side a:hover, .side a.active { border-color: var(--cyan); color: var(--cyan); background: #0b2c60; }
.side .sidehead { margin: 15px 4px 6px; color: var(--cyan); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }

/* Columna principal */
.main { 
  min-width: 0; 
  min-height: 75vh; 
  display: flex; 
  flex-direction: column; 
}

.hero { position: relative; padding: 24px; background: linear-gradient(120deg, #071333, #09295c); border: 1px solid #258dff; }
.eyebrow { color: var(--cyan); font-weight: bold; letter-spacing: 2px; font-size: 11px; }
.hero h1 { font-size: clamp(27px, 4vw, 42px); margin: 10px 0; }

.toolbar { margin: 14px 0; background: #071432; border: 1px solid #1756a1; padding: 12px; display: grid; grid-template-columns: minmax(150px, 1fr) 190px 150px; gap: 8px; }
.field { width: 100%; padding: 10px; background: #020b20; border: 1px solid #326db0; color: #fff; outline: none; }

.stats { display: flex; justify-content: space-between; color: var(--muted); font-size: 12px; margin: 15px 0; }

/* Grilla de tarjetas */
.cards { 
  display: grid; 
  grid-template-columns: repeat(3, minmax(0, 1fr)); 
  gap: 12px; 
  min-height: 480px; 
  align-content: start; 
}

.card { background: linear-gradient(145deg, #0a1d42, #050d22); border: 1px solid #174e91; display: flex; flex-direction: column; }
.cardtop { padding: 13px; display: flex; gap: 11px; align-items: center; }

/* Ícono de la tarjeta ajustado */
.appicon { 
  width: 52px; 
  height: 52px; 
  flex: 0 0 52px; 
  display: grid; 
  place-items: center; 
  font-size: 27px; 
  background: #123e80; 
  border: 1px solid #287ad5; 
}
.appicon img { width: 32px; height: 32px; object-fit: contain; }

.appname h2 { font-size: 15px; margin: 0 0 5px; }
.category { font-size: 10px; color: var(--cyan); border: 1px solid #1764ad; padding: 3px 5px; }

.desc { font-size: 12px; color: #b6c8e8; padding: 0 13px 12px; flex: 1; }
.specs { display: flex; gap: 5px; padding: 0 13px 12px; }
.spec { font-size: 10px; background: #0b2a51; border: 1px solid #1c5489; padding: 4px 6px; }

.cardfoot { display: flex; justify-content: space-between; padding: 10px 13px; border-top: 1px solid #16345d; background: #06102a; }
.download { border: 1px solid #8bf5ff; background: linear-gradient(#a9faff, #22bce5); color: #03142c; text-decoration: none; font-size: 11px; font-weight: bold; padding: 8px 10px; }
.download.disabled { opacity: .45; background: #24334b; color: #aebbd0; }

.pagination { display: flex; justify-content: center; gap: 6px; margin: 20px 0; }
.pagebtn { background: #071a3d; border: 1px solid #2262a8; color: #d9edff; padding: 8px 11px; cursor: pointer; }
.pagebtn.active { background: #087cff; border-color: var(--cyan); }

.empty { grid-column: 1 / -1; padding: 30px; text-align: center; border: 1px dashed #2865a6; color: var(--muted); }

/* Banners de Plataformas Laterales */
.platform-rail { position: absolute; top: 76px; z-index: 15; width: 112px; display: flex; flex-direction: column; gap: 8px; padding: 8px; background: linear-gradient(180deg,#050b22ee,#07163aee); border: 1px solid #2679db; border-radius: 7px; box-shadow: 0 0 18px #007bff45; }
.rail-left { left: 14px; }
.rail-right { right: 14px; }
.rail-title { text-align: center; color: #a4f8ff; font: bold 9px Tahoma,Verdana,sans-serif; letter-spacing: 1px; padding: 4px 0 6px; border-bottom: 1px solid #3677d5; }

.brand-card { min-height: 65px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; padding: 6px 4px; border: 1px solid #3677d5; border-radius: 4px; background: linear-gradient(145deg,#111d4c,#07112f); color: #e9faff; text-decoration: none; text-align: center; font-weight: bold; box-shadow: 0 0 6px #007bff35; transition: transform .15s,border-color .15s; }
.brand-card:hover { transform: translateY(-2px); border-color: #73f4ff; }
.brand-card img { width: 26px; height: 26px; object-fit: contain; }
.brand-card span { font-size: 9px; overflow-wrap: anywhere; line-height: 1.1; }

@media(max-width:1420px) { .platform-rail { display: none; } }

/* Footer */
.foot { 
  margin-top: auto; 
  text-align: center; 
  color: #8fa9d1; 
  font-size: 11px; 
  padding: 26px 10px; 
}