/* ================= VARIABLES / TEMAS ================= */
:root {
  --bg: #0b0d1a; --bg2: #11142a; --card: #171b35; --card2: #1e2342;
  --txt: #e9ebf8; --muted: #9ba1c6; --borde: rgba(255,255,255,.09);
  --acc: #8b6cff; --acc2: #22d3ee; --rosa: #f472b6; --ok: #22c55e; --bad: #f43f5e; --warn: #f59e0b;
  --sombra: 0 10px 40px rgba(0,0,0,.35);
  --radio: 18px;
  --mono: "JetBrains Mono", ui-monospace, Menlo, monospace;
  --sans: "Space Grotesk", system-ui, -apple-system, sans-serif;
  --blk-a: .34; --blk-l: 62%;
}
:root[data-theme="light"] {
  --bg: #f5f6fc; --bg2: #eceefb; --card: #ffffff; --card2: #f3f4fd;
  --txt: #1a1d3a; --muted: #5b6188; --borde: rgba(20,20,60,.12);
  --sombra: 0 10px 30px rgba(40,40,100,.1); --blk-a: .3; --blk-l: 55%;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--sans); background: var(--bg); color: var(--txt); line-height: 1.6; overflow-x: hidden; transition: background .4s, color .4s; }
code, .mono { font-family: var(--mono); }
code { background: var(--card2); padding: .1em .4em; border-radius: 6px; font-size: .9em; }
button { font-family: inherit; cursor: pointer; }
.muted { color: var(--muted); }
.mini { font-size: .82rem; }

/* ================= FONDO / PROGRESO ================= */
#fondo { position: fixed; inset: 0; z-index: -1; width: 100%; height: 100%; }
#progreso { position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 100; background: linear-gradient(90deg, var(--acc), var(--acc2), var(--rosa)); }

/* ================= BARRA ================= */
.barra { position: sticky; top: 0; z-index: 50; display: flex; align-items: center; gap: 1rem; padding: .8rem clamp(1rem, 4vw, 3rem); background: color-mix(in srgb, var(--bg) 75%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--borde); }
.logo { font-weight: 700; font-size: 1.4rem; color: var(--txt); text-decoration: none; letter-spacing: -.02em; }
.logo span { background: linear-gradient(90deg, var(--acc), var(--acc2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
#menu { display: flex; gap: .2rem; margin-left: auto; flex-wrap: wrap; }
#menu a { color: var(--muted); text-decoration: none; font-size: .9rem; padding: .35rem .7rem; border-radius: 999px; transition: .25s; }
#menu a:hover { color: var(--txt); background: var(--card2); }
#menu a.activo { color: #fff; background: var(--acc); }
.acciones { display: flex; gap: .4rem; }
.icono-btn { background: var(--card); border: 1px solid var(--borde); color: var(--txt); width: 40px; height: 40px; border-radius: 12px; font-size: 1.1rem; transition: transform .2s; }
.icono-btn:hover { transform: rotate(-10deg) scale(1.08); }
#burger { display: none; }

/* ================= GENERALES ================= */
main { max-width: 1150px; margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.btn { display: inline-flex; align-items: center; gap: .5rem; padding: .75rem 1.3rem; border-radius: 999px; border: none; background: linear-gradient(135deg, var(--acc), #6d4dff); color: #fff; font-weight: 600; font-size: .95rem; text-decoration: none; white-space: nowrap; box-shadow: 0 6px 20px color-mix(in srgb, var(--acc) 40%, transparent); transition: transform .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 10px 28px color-mix(in srgb, var(--acc) 55%, transparent); }
.btn:active { transform: scale(.97); }
.btn.sec { background: var(--card); color: var(--txt); border: 1px solid var(--borde); box-shadow: none; }
.btn.chico { padding: .45rem .9rem; font-size: .85rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.panel { background: var(--card); border: 1px solid var(--borde); border-radius: var(--radio); padding: clamp(1rem, 3vw, 1.8rem); box-shadow: var(--sombra); }
.aviso { margin-top: 1rem; font-size: .85rem; color: var(--muted); }
input[type=range] { accent-color: var(--acc); width: 100%; }
input[type=number], input[type=text], textarea, select { width: 100%; background: var(--bg2); color: var(--txt); border: 1px solid var(--borde); border-radius: 12px; padding: .7rem 1rem; font: inherit; transition: border .2s, box-shadow .2s; }
input[type=number], input[type=text].mono { font-family: var(--mono); }
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--acc); box-shadow: 0 0 0 3px color-mix(in srgb, var(--acc) 25%, transparent); }
label { font-size: .9rem; color: var(--muted); }
.campo { display: flex; flex-direction: column; gap: .35rem; }
h4.tit { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--acc2); margin-bottom: .6rem; font-family: var(--mono); font-weight: 600; }

/* ================= HERO ================= */
.hero { min-height: calc(100vh - 70px); display: flex; flex-direction: column; justify-content: center; padding: 4rem 0; }
.kicker { font-family: var(--mono); font-size: .85rem; color: var(--acc2); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 1rem; animation: subir .8s both; }
.hero h1 { font-size: clamp(2.3rem, 6vw, 4.3rem); line-height: 1.05; letter-spacing: -.03em; max-width: 14ch; animation: subir .8s .1s both; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--acc), var(--acc2), var(--rosa), var(--acc)); background-size: 300%; -webkit-background-clip: text; background-clip: text; color: transparent; animation: brillo 6s linear infinite; }
.lead { font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--muted); max-width: 58ch; margin: 1.2rem 0 2rem; animation: subir .8s .2s both; }
.hero-mem-box { padding: 1.1rem 1.2rem 1rem; border-radius: var(--radio); background: var(--card); border: 1px solid var(--borde); margin-bottom: 2rem; animation: subir .8s .3s both; }
.hero-mem-cab { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .78rem; color: var(--muted); margin-bottom: .6rem; }
.hero-mem { display: flex; height: 84px; border-radius: 12px; overflow: hidden; background: var(--bg2); border: 1px solid var(--borde); }
.hb { min-width: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; font-family: var(--mono); font-size: .78rem; border-right: 2px solid var(--bg); overflow: hidden; white-space: nowrap; transition: flex .6s cubic-bezier(.4,.2,.2,1), background .4s;
  background: hsla(var(--h, 0), 85%, var(--blk-l), var(--blk-a)); }
.hb span { font-weight: 600; max-width: 100%; overflow: hidden; text-overflow: ellipsis; padding: 0 .3rem; }
.hb small { font-size: .68rem; color: var(--muted); }
.hb.libre, .bk.libre { background: repeating-linear-gradient(135deg, transparent 0 8px, var(--borde) 8px 10px); }
.hb.so { background: color-mix(in srgb, var(--txt) 16%, var(--bg2)); font-weight: 700; }
.hb.nuevo { animation: entrar .6s both; }
.hero-log { margin-top: .7rem; font-size: .85rem; color: var(--muted); min-height: 1.4em; }
.hero-log b { color: var(--txt); }
.cta { display: flex; gap: .8rem; flex-wrap: wrap; animation: subir .8s .4s both; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; margin-top: 3rem; animation: subir .8s .5s both; }
.stat { padding: 1.1rem 1.3rem; border-left: 3px solid var(--acc); background: var(--card); border-radius: 0 14px 14px 0; }
.stat b { font-size: clamp(1.4rem, 3vw, 2rem); display: block; font-family: var(--mono); color: var(--acc2); }
.stat span { color: var(--muted); font-size: .9rem; }
.scroll-ind { margin-top: 2.5rem; color: var(--muted); font-size: .85rem; animation: flotar 2s ease-in-out infinite; }

/* ================= SECCIONES ================= */
.seccion { padding: 5rem 0 2rem; }
.cab { display: flex; gap: 1.2rem; align-items: flex-start; margin-bottom: 2rem; }
.num { font-family: var(--mono); font-size: .9rem; color: var(--acc); border: 1px solid var(--acc); border-radius: 10px; padding: .3rem .55rem; margin-top: .4rem; }
.guia { font-family: var(--mono); font-size: .88rem; color: var(--acc2); margin-bottom: .3rem; }
.cab h2 { font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.02em; line-height: 1.15; }
.intro { color: var(--muted); max-width: 72ch; margin-top: .5rem; }
.intro b, .intro i { color: var(--txt); }
.modulo + .modulo { margin-top: 3rem; }
.sub { margin-bottom: 1.2rem; }
.sub h3 { font-size: 1.3rem; letter-spacing: -.01em; }
.sub p { color: var(--muted); max-width: 72ch; margin-top: .25rem; }
.revelar { opacity: 0; transform: translateY(40px); transition: opacity .8s, transform .8s; }
.revelar.visible { opacity: 1; transform: none; }

/* ================= ANALOGÍAS ================= */
.analogia { display: flex; gap: 1.2rem; align-items: flex-start; margin: -0.5rem 0 2.2rem; padding: 1.3rem 1.5rem; border-radius: var(--radio);
  background: linear-gradient(135deg, color-mix(in srgb, var(--acc2) 12%, var(--card)), color-mix(in srgb, var(--acc) 10%, var(--card)));
  border: 1px solid color-mix(in srgb, var(--acc2) 35%, transparent); position: relative; overflow: hidden; }
.analogia::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(var(--acc2), var(--acc)); }
.ana-ico { font-size: 2.4rem; line-height: 1; flex-shrink: 0; width: 3.6rem; height: 3.6rem; display: grid; place-items: center; border-radius: 16px; background: var(--card); box-shadow: var(--sombra); animation: balanceo 4s ease-in-out infinite; }
.ana-tag { font-family: var(--mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--acc2); }
.ana-cuerpo h3 { font-size: 1.2rem; margin: .15rem 0 .45rem; }
.ana-cuerpo p { max-width: 80ch; }
.recordar { margin-top: .8rem; padding: .55rem .9rem; border-radius: 10px; background: var(--card); border: 1px dashed var(--borde); font-size: .92rem; display: inline-block; }
.ej-ana { font-size: .85rem !important; color: var(--txt) !important; margin-top: .3rem; padding-top: .5rem; border-top: 1px dashed var(--borde); font-style: italic; }
@keyframes balanceo { 0%, 100% { transform: rotate(-6deg); } 50% { transform: rotate(6deg); } }

/* ================= TARJETAS (flip) ================= */
.grid-conceptos { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.2rem; }
.flip { perspective: 1000px; height: 250px; cursor: pointer; }
.flip-in { position: relative; width: 100%; height: 100%; transition: transform .7s cubic-bezier(.4,.2,.2,1); transform-style: preserve-3d; }
.flip.girada .flip-in { transform: rotateY(180deg); }
.cara { position: absolute; inset: 0; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: var(--radio); padding: 1.4rem; background: var(--card); border: 1px solid var(--borde); display: flex; flex-direction: column; gap: .5rem; overflow: hidden; }
.cara.dorso { transform: rotateY(180deg); background: linear-gradient(145deg, var(--card2), var(--card)); justify-content: center; }
.cara .ico { font-size: 2rem; transition: transform .3s; }
.flip:hover .ico { transform: scale(1.2) rotate(-8deg); }
.cara h3 { font-size: 1.15rem; }
.cara p { color: var(--muted); font-size: .93rem; }
.cara p b, .cara p i { color: var(--txt); }
.cara .pista { margin-top: auto; font-size: .78rem; color: var(--acc2); font-family: var(--mono); }
.cara .ej-tag { font-family: var(--mono); font-size: .72rem; color: var(--acc2); text-transform: uppercase; letter-spacing: .08em; }
.cara .ej { color: var(--txt); font-size: .95rem; }

/* ================= CHIPS / CONTADORES / PASOS ================= */
.ejemplos { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.chip-btn { background: var(--bg2); border: 1px solid var(--borde); color: var(--txt); padding: .35rem .8rem; border-radius: 999px; font-size: .82rem; transition: .2s; }
.chip-btn:hover, .chip-btn.activo { background: var(--acc); color: #fff; border-color: var(--acc); }
.chip-btn:disabled { opacity: .45; cursor: not-allowed; }
.switch { display: inline-flex; align-items: center; gap: .5rem; cursor: pointer; user-select: none; }
.switch input { accent-color: var(--acc); width: 18px; height: 18px; }
.contadores { display: grid; grid-template-columns: repeat(4, 1fr); gap: .8rem; }
.contador { background: var(--bg2); border-radius: 14px; padding: .8rem; text-align: center; border: 1px solid var(--borde); }
.contador b { display: block; font-family: var(--mono); font-size: 1.5rem; color: var(--acc2); transition: transform .2s; }
.contador b.pulso { animation: pulso .4s; }
.contador span { font-size: .78rem; color: var(--muted); }
.botonera { display: flex; flex-wrap: wrap; gap: .6rem; }
.estr-desc { font-size: .9rem; color: var(--muted); min-height: 2.8em; }
.estr-desc b, .estr-desc i { color: var(--txt); }
.pasos { list-style: none; display: flex; flex-direction: column; gap: .45rem; min-height: 3rem; }
.pasos li { padding: .55rem .8rem; border-radius: 10px; background: var(--bg2); border-left: 3px solid var(--borde); font-size: .92rem; animation: subir .4s calc(var(--i) * .35s) both; }
.pasos li.ok { border-left-color: var(--ok); }
.pasos li.bad { border-left-color: var(--bad); background: color-mix(in srgb, var(--bad) 12%, var(--bg2)); }
.pasos li.warn { border-left-color: var(--warn); background: color-mix(in srgb, var(--warn) 12%, var(--bg2)); }
.pasos li.fin { font-size: 1rem; }
.pasos li.vacio { color: var(--muted); border-left-style: dashed; animation: none; }
.nota { margin-top: 1rem; color: var(--muted); font-size: .9rem; min-height: 1.5em; }
.nota b { color: var(--txt); }

/* ================= TABLAS ================= */
.tabla { width: 100%; border-collapse: separate; border-spacing: 0; font-size: .88rem; }
.tabla th { text-align: left; font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: .45rem .6rem; border-bottom: 1px solid var(--borde); font-weight: 600; }
.tabla td { padding: .45rem .6rem; border-bottom: 1px solid var(--borde); font-family: var(--mono); transition: background .3s; }
.tabla tr.sel td { background: color-mix(in srgb, var(--acc) 22%, transparent); }
.tabla tr.malo td { background: color-mix(in srgb, var(--bad) 22%, transparent); }
.tabla tr.hl td { background: color-mix(in srgb, var(--acc2) 18%, transparent); }
.tabla .dot { display: inline-block; width: .7rem; height: .7rem; border-radius: 3px; margin-right: .4rem; vertical-align: -1px; background: hsla(var(--h), 85%, var(--blk-l), .9); }
.desliza { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ================= MEMORIA (columna vertical) ================= */
.mem-v { position: relative; height: 420px; display: flex; flex-direction: column; border-radius: 14px; overflow: hidden; border: 1px solid var(--borde); background: var(--bg2); }
.mem-v.alto { height: 480px; }
.bk { position: relative; min-height: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; font-family: var(--mono); font-size: .8rem; line-height: 1.2; border-bottom: 2px solid var(--bg); overflow: hidden; transition: background .3s, box-shadow .3s;
  background: hsla(var(--h, 0), 85%, var(--blk-l), var(--blk-a)); }
.bk:last-child { border-bottom: none; }
.bk small { font-size: .68rem; color: var(--muted); }
.bk .dir { position: absolute; left: .45rem; top: .2rem; font-size: .62rem; color: var(--muted); }
.bk.so { background: color-mix(in srgb, var(--txt) 16%, var(--bg2)); }
.bk.ocupada { cursor: pointer; }
.bk.ocupada:hover { box-shadow: inset 0 0 0 2px hsla(var(--h), 85%, var(--blk-l), 1); }
.bk.actual { box-shadow: inset 0 0 0 3px hsla(var(--h, 260), 85%, var(--blk-l), 1); }
.bk.danio { animation: alarma .5s 3; }
.bk.nuevo { animation: entrar .6s both; }
.bk.part { padding: 0; justify-content: stretch; align-items: stretch; background: var(--bg2); border-bottom: 3px solid var(--card); }
.bk.part.libre { background: repeating-linear-gradient(135deg, transparent 0 8px, var(--borde) 8px 10px); justify-content: center; align-items: center; }
.bk.part .uso { min-height: 0; display: flex; flex-direction: column; justify-content: center; align-items: center; background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); overflow: hidden; }
.bk.part .desp { min-height: 0; display: flex; justify-content: center; align-items: center; overflow: hidden;
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--bad) 30%, transparent) 0 5px, transparent 5px 10px); }
.bk.part .desp small { color: var(--bad); font-weight: 600; }
.marcador { position: absolute; left: 0; right: 0; height: 3px; background: var(--ok); box-shadow: 0 0 10px var(--ok); transition: top .5s, opacity .3s; z-index: 3; pointer-events: none; }
.marcador span { position: absolute; right: .4rem; top: -1.55em; font-family: var(--mono); font-size: .72rem; background: var(--ok); color: #fff; padding: .05em .5em; border-radius: 6px; white-space: nowrap; }
.marcador.malo { background: var(--bad); box-shadow: 0 0 10px var(--bad); }
.marcador.malo span { background: var(--bad); }
.mem-fin { font-family: var(--mono); font-size: .68rem; color: var(--muted); text-align: right; margin-top: .25rem; }

/* ================= JERARQUÍA ================= */
.jer { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; align-items: center; }
.piramide { display: flex; flex-direction: column; align-items: center; gap: .45rem; position: relative; }
.piso { display: flex; align-items: center; justify-content: center; gap: .5rem; height: 56px; border-radius: 12px; border: 1px solid var(--borde); color: var(--txt); font-size: .95rem; font-weight: 600; transition: .25s;
  background: linear-gradient(90deg, color-mix(in srgb, var(--acc) 22%, var(--bg2)), color-mix(in srgb, var(--acc2) 18%, var(--bg2))); }
.piso:hover { transform: scale(1.03); }
.piso.activo { border-color: var(--acc2); box-shadow: 0 0 0 2px var(--acc2), 0 8px 24px color-mix(in srgb, var(--acc2) 25%, transparent); }
.piso.estrella { background: linear-gradient(90deg, var(--acc), #6d4dff); color: #fff; }
.jer-ejes { display: flex; justify-content: space-between; font-family: var(--mono); font-size: .72rem; color: var(--muted); margin-top: .6rem; width: 100%; }
.jer-det { min-height: 220px; display: flex; flex-direction: column; gap: .6rem; animation: subir .4s both; }
.jer-det .ico-g { font-size: 2.4rem; }
.jer-det dl { display: grid; grid-template-columns: auto 1fr; gap: .3rem 1rem; font-size: .92rem; }
.jer-det dt { color: var(--muted); }
.jer-det dd { font-family: var(--mono); }

/* ================= PROTECCIÓN ================= */
.prot { display: grid; grid-template-columns: 1.35fr 1fr; gap: 1.5rem; }
.prot-ctrl { display: flex; flex-direction: column; gap: 1rem; }
.regs { display: grid; grid-template-columns: 1fr 1fr; gap: .8rem; }
.reg { background: var(--bg2); border: 1px solid var(--borde); border-radius: 12px; padding: .6rem .9rem; }
.reg span { display: block; font-size: .75rem; color: var(--muted); }
.reg b { font-family: var(--mono); font-size: 1.35rem; color: var(--acc2); }
.fila-acc { display: grid; grid-template-columns: 1fr auto auto; gap: .6rem; align-items: end; }

/* ================= CONTIGUA ================= */
.cont { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1.5rem; }
.cont-ctrl { display: flex; flex-direction: column; gap: 1rem; }
.modo { display: inline-flex; padding: 4px; border-radius: 999px; background: var(--bg2); border: 1px solid var(--borde); align-self: flex-start; flex-wrap: wrap; }
.modo button { border: none; background: transparent; color: var(--muted); padding: .45rem 1rem; border-radius: 999px; font-size: .88rem; transition: .2s; }
.modo button.activo { background: var(--acc); color: #fff; }
.carga { display: grid; grid-template-columns: 1fr auto auto; gap: .6rem; align-items: end; }
.log { list-style: none; display: flex; flex-direction: column; gap: .35rem; font-size: .86rem; }
.log li { padding: .45rem .75rem; border-radius: 10px; background: var(--bg2); border-left: 3px solid var(--borde); animation: subir .35s both; }
.log li:not(:first-child) { opacity: .6; }
.log li.ok { border-left-color: var(--ok); }
.log li.bad { border-left-color: var(--bad); }
.log li.warn { border-left-color: var(--warn); }
.log li.info { border-left-color: var(--acc2); }

/* ================= SEGMENTACIÓN ================= */
.seg { display: grid; grid-template-columns: 220px 1fr 220px; gap: 1.5rem; }
.seg-logica { display: flex; flex-direction: column; gap: .5rem; }
.seg-pieza { display: flex; flex-direction: column; justify-content: center; align-items: flex-start; text-align: left; gap: .1rem; padding: .5rem .8rem; border-radius: 12px; border: 1px solid hsla(var(--h), 85%, var(--blk-l), .6); color: var(--txt); transition: transform .2s, box-shadow .2s;
  background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); }
.seg-pieza:hover { transform: translateX(4px); }
.seg-pieza.activo { box-shadow: 0 0 0 2px hsla(var(--h), 85%, var(--blk-l), 1); }
.seg-pieza b { font-size: .92rem; }
.seg-pieza small { font-family: var(--mono); font-size: .7rem; color: var(--muted); }
.seg-centro { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.trad { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: .6rem; }
.seg-desc { font-size: .88rem; color: var(--muted); min-height: 1.4em; }

/* ================= PAGINACIÓN ================= */
.pag-ctrl { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: end; margin-bottom: 1.3rem; }
.pag { display: grid; grid-template-columns: 1fr 1fr 1.4fr; gap: 1.3rem; align-items: start; }
.pag-lista { display: flex; flex-direction: column; gap: .35rem; }
.pg { position: relative; padding: .45rem .7rem; border-radius: 10px; font-family: var(--mono); font-size: .82rem; border: 1px solid hsla(var(--h), 85%, var(--blk-l), .5); background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); overflow: hidden; transition: box-shadow .2s, transform .2s; animation: aparecer .35s calc(var(--i) * 40ms) both; }
.pg small { color: var(--muted); display: block; font-size: .68rem; }
.pg .uso-barra { display: flex; height: 6px; border-radius: 999px; overflow: hidden; margin-top: .3rem; background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--bad) 55%, transparent) 0 3px, transparent 3px 6px); }
.pg .uso-barra i { display: block; background: hsla(var(--h), 85%, var(--blk-l), 1); }
.marcos { display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.mc { aspect-ratio: 1.15; border-radius: 10px; border: 1px solid var(--borde); background: var(--bg2); display: flex; flex-direction: column; justify-content: center; align-items: center; font-family: var(--mono); font-size: .78rem; text-align: center; position: relative; transition: box-shadow .2s, transform .2s; padding: .2rem; line-height: 1.15; }
.mc .n { position: absolute; top: .2rem; left: .35rem; font-size: .6rem; color: var(--muted); }
.mc small { font-size: .62rem; color: var(--muted); }
.mc.pr { background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); border-color: hsla(var(--h), 85%, var(--blk-l), .6); font-weight: 600; }
.mc.otro { background: color-mix(in srgb, var(--txt) 10%, var(--bg2)); color: var(--muted); }
.mc.libre { background: repeating-linear-gradient(135deg, transparent 0 7px, var(--borde) 7px 9px); color: var(--muted); }
.comp { min-width: 680px; }
.pg.hl, .mc.hl { box-shadow: 0 0 0 2px var(--acc2) !important; transform: scale(1.04); z-index: 2; }
.mc.destino { animation: latido .8s 2; box-shadow: 0 0 0 3px var(--ok) !important; }
.pag-trad { margin-top: 1.5rem; display: grid; grid-template-columns: 1fr 1.3fr; gap: 1.5rem; }
.bits { display: flex; align-items: center; gap: .5rem; font-family: var(--mono); font-size: clamp(.8rem, 2.2vw, 1.05rem); flex-wrap: wrap; margin-top: .4rem; }
.bits .lbl { width: 4.2rem; font-size: .75rem; color: var(--muted); }
.bits .b { padding: .2rem .45rem; border-radius: 7px; letter-spacing: .08em; }
.b-pag { background: color-mix(in srgb, var(--acc) 35%, transparent); }
.b-mar { background: color-mix(in srgb, var(--ok) 35%, transparent); }
.b-off { background: color-mix(in srgb, var(--acc2) 25%, transparent); }
.bits-ley { display: flex; flex-wrap: wrap; gap: .8rem; font-size: .75rem; color: var(--muted); margin-top: .5rem; }
.bits-ley i { display: inline-block; width: .7rem; height: .7rem; border-radius: 3px; margin-right: .3rem; vertical-align: -1px; }

/* ================= FALLO DE PÁGINA ================= */
.fp-botones { display: flex; flex-wrap: wrap; gap: .45rem; align-items: center; margin-bottom: 1.3rem; }
.pg-btn { width: 2.6rem; height: 2.6rem; border-radius: 10px; border: 1px solid hsla(var(--h), 85%, var(--blk-l), .6); background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); color: var(--txt); font-family: var(--mono); font-weight: 600; transition: transform .2s; }
.pg-btn:hover:not(:disabled) { transform: translateY(-3px); }
.pg-btn:disabled { opacity: .45; cursor: not-allowed; }
.fp { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.3rem; align-items: start; }
.fp-ram, .fp-disco { display: grid; gap: .4rem; }
.fp-ram { grid-template-columns: 1fr; }
.fp-disco { grid-template-columns: repeat(4, 1fr); }
.fr { height: 52px; border-radius: 10px; border: 1px solid var(--borde); display: flex; align-items: center; gap: .7rem; padding: 0 .8rem; font-family: var(--mono); font-size: .85rem; background: var(--bg2); transition: background .4s, box-shadow .3s; }
.fr .n { font-size: .68rem; color: var(--muted); width: 4.2em; }
.fr.pr { background: hsla(var(--h), 85%, var(--blk-l), var(--blk-a)); }
.fr.victima { box-shadow: 0 0 0 2px var(--bad); animation: sacudir .4s; }
.fr.carga { box-shadow: 0 0 0 2px var(--ok); animation: entrar .6s both; }
.dk { aspect-ratio: 1; border-radius: 10px; display: grid; place-items: center; font-family: var(--mono); font-size: .8rem; border: 1px solid var(--borde); background: hsla(var(--h), 85%, var(--blk-l), calc(var(--blk-a) * .55)); transition: box-shadow .3s; }
.dk.busca { box-shadow: 0 0 0 2px var(--warn); animation: latido .8s 2; }
.fp-pasos { list-style: none; counter-reset: fp; display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin: 1.5rem 0 1.2rem; }
.fp-pasos li { counter-increment: fp; position: relative; padding: .6rem .7rem .6rem 2.3rem; border-radius: 12px; background: var(--bg2); border: 1px solid var(--borde); font-size: .82rem; opacity: .45; transition: .4s; min-height: 4.2rem; }
.fp-pasos li::before { content: counter(fp); position: absolute; left: .6rem; top: .55rem; width: 1.3rem; height: 1.3rem; border-radius: 6px; display: grid; place-items: center; font-family: var(--mono); font-size: .72rem; background: var(--card2); }
.fp-pasos li.on { opacity: 1; border-color: var(--acc); box-shadow: 0 0 0 1px var(--acc), 0 8px 24px color-mix(in srgb, var(--acc) 22%, transparent); transform: translateY(-2px); }
.fp-pasos li.on::before { background: var(--acc); color: #fff; }
.fp-pasos li.hecho { opacity: 1; }
.fp-pasos li.hecho::before { content: "✓"; background: var(--ok); color: #fff; }
.fp-pasos li.trap { border-color: var(--warn); }

/* ================= REEMPLAZO ================= */
.rp-ctrl { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem 1.5rem; margin-bottom: 1.2rem; }
.rp-ctrl .full { grid-column: 1 / -1; }
.deslizador { display: grid; grid-template-columns: auto 1fr auto; gap: 1rem; align-items: center; }
.deslizador b { font-family: var(--mono); color: var(--acc2); min-width: 2ch; font-size: 1.2rem; }
.rp-tabla { border-collapse: separate; border-spacing: 3px; font-family: var(--mono); font-size: .85rem; margin: 0 auto 1rem; }
.rp-tabla th { font-weight: 600; padding: .3rem; min-width: 2rem; border-radius: 6px; color: var(--txt); background: var(--card2); }
.rp-tabla th.lbl, .rp-tabla td.lbl { background: transparent; color: var(--muted); font-size: .68rem; text-align: right; padding-right: .4rem; white-space: nowrap; font-weight: 400; }
.rp-tabla td { width: 2rem; height: 2rem; text-align: center; border-radius: 6px; background: var(--bg2); transition: background .3s; }
.rp-tabla td.futuro, .rp-tabla th.futuro { opacity: .25; }
.rp-tabla th.actual { background: var(--acc); color: #fff; }
.rp-tabla td.nueva { background: color-mix(in srgb, var(--bad) 35%, var(--bg2)); font-weight: 700; }
.rp-tabla td.hit { background: color-mix(in srgb, var(--ok) 35%, var(--bg2)); font-weight: 700; }
.rp-tabla td.res-f { color: var(--bad); font-weight: 700; background: transparent; }
.rp-tabla td.res-h { color: var(--ok); background: transparent; }
.grafico { width: 100%; height: auto; display: block; }
.grafico .eje { stroke: var(--borde); }
.grafico text { fill: var(--muted); font-family: var(--mono); font-size: 11px; }
.grafico .linea { fill: none; stroke-width: 2.5; stroke-linejoin: round; }
.grafico .actual-x { stroke: var(--acc2); stroke-dasharray: 4 4; }
.leyenda { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .82rem; color: var(--muted); margin-bottom: .4rem; }
.leyenda i { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .35rem; vertical-align: -1px; }

/* ================= COMPARACIÓN ================= */
.comp th:first-child, .comp td:first-child { font-family: var(--sans); color: var(--muted); font-size: .85rem; }
.comp td { font-family: var(--sans); font-size: .9rem; vertical-align: top; }
.comp th { color: var(--txt); font-size: .75rem; }
.sn { display: inline-block; padding: .1rem .55rem; border-radius: 999px; font-size: .82rem; font-weight: 600; }
.sn.si { background: color-mix(in srgb, var(--warn) 22%, transparent); }
.sn.no { background: color-mix(in srgb, var(--acc2) 18%, transparent); }

/* ================= QUIZ ================= */
.quiz { max-width: 760px; margin: 0 auto; }
.quiz-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; font-family: var(--mono); font-size: .85rem; color: var(--muted); }
.quiz-barra { height: 6px; background: var(--bg2); border-radius: 999px; overflow: hidden; margin-bottom: 1.5rem; }
.quiz-barra div { height: 100%; background: linear-gradient(90deg, var(--acc), var(--acc2)); transition: width .5s; }
.pregunta { font-size: 1.3rem; margin-bottom: 1.2rem; animation: subir .5s both; }
.opciones { display: flex; flex-direction: column; gap: .7rem; }
.opcion { text-align: left; padding: .9rem 1.1rem; border-radius: 14px; border: 1px solid var(--borde); background: var(--bg2); color: var(--txt); font-size: 1rem; transition: .2s; display: flex; gap: .8rem; align-items: center; animation: subir .4s calc(var(--i) * 80ms) both; }
.opcion .letra { font-family: var(--mono); width: 1.8rem; height: 1.8rem; display: grid; place-items: center; border-radius: 8px; background: var(--card2); flex-shrink: 0; }
.opcion:hover:not(:disabled) { border-color: var(--acc); transform: translateX(5px); }
.opcion:disabled { cursor: default; }
.opcion.correcta { border-color: var(--ok); background: color-mix(in srgb, var(--ok) 18%, var(--bg2)); }
.opcion.incorrecta { border-color: var(--bad); background: color-mix(in srgb, var(--bad) 18%, var(--bg2)); animation: sacudir .4s; }
.explica { margin-top: 1.2rem; padding: 1rem 1.2rem; border-radius: 14px; background: var(--card2); border-left: 4px solid var(--acc2); animation: subir .4s both; }
.quiz-fin { text-align: center; padding: 1rem 0; animation: subir .5s both; }
.quiz-fin .nota-q { font-size: 4rem; font-weight: 700; font-family: var(--mono); background: linear-gradient(90deg, var(--acc), var(--acc2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.confeti { position: fixed; top: -10px; width: 10px; height: 14px; z-index: 200; pointer-events: none; animation: caer linear forwards; }

/* ================= GLOSARIO ================= */
.buscador { max-width: 420px; margin-bottom: 1.5rem; }
.grid-glosario { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 1rem; }
.grid-glosario .flip { height: 220px; animation: aparecer .4s calc(var(--i) * 30ms) both; }
.grid-glosario .cara.frente { justify-content: center; align-items: center; text-align: center; }
.grid-glosario .cara.frente h3 { font-size: 1.25rem; }
.grid-glosario .cara.dorso p { color: var(--txt); font-size: .9rem; }
.sin-res { color: var(--muted); }

/* ================= PIE ================= */
.pie { text-align: center; padding: 4rem 1rem 3rem; border-top: 1px solid var(--borde); margin-top: 4rem; font-size: .9rem; }
.pie p + p { margin-top: .4rem; font-size: .8rem; }
.pie .autor { margin: .8rem 0 .6rem; font-size: .95rem !important; color: var(--txt); }
.pie .autor b { background: linear-gradient(90deg, var(--acc), var(--acc2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.pie .autor a { text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--acc) 50%, transparent); transition: border-color .2s; }
.pie .autor a:hover { border-bottom-color: var(--acc2); }

/* ================= ANIMACIONES ================= */
@keyframes subir { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: none; } }
@keyframes aparecer { from { opacity: 0; transform: translateY(8px) scale(.85); } to { opacity: 1; transform: none; } }
@keyframes entrar { from { opacity: 0; filter: brightness(2); } to { opacity: 1; filter: none; } }
@keyframes brillo { to { background-position: 300% 0; } }
@keyframes flotar { 50% { transform: translateY(8px); } }
@keyframes pulso { 50% { transform: scale(1.25); } }
@keyframes latido { 50% { transform: scale(1.08); } }
@keyframes sacudir { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@keyframes alarma { 50% { background: color-mix(in srgb, var(--bad) 60%, transparent); } }
@keyframes caer { to { transform: translateY(110vh) rotate(720deg); } }

/* ================= RESPONSIVE ================= */
@media (max-width: 960px) {
  #burger { display: block; }
  .acciones { margin-left: auto; }
  #menu { position: fixed; top: 64px; right: 1rem; left: 1rem; flex-direction: column; background: var(--card); border: 1px solid var(--borde); border-radius: var(--radio); padding: .8rem; box-shadow: var(--sombra); transform: translateY(-20px); opacity: 0; pointer-events: none; transition: .3s; }
  #menu.abierto { transform: none; opacity: 1; pointer-events: auto; }
  #menu a { padding: .6rem 1rem; }
  .seg { grid-template-columns: 1fr 1fr; }
  .seg-centro { grid-column: 1 / -1; order: -1; }
  .pag { grid-template-columns: 1fr 1fr; }
  .pag .marcos-box { grid-column: 1 / -1; }
  .fp-pasos { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .jer, .prot, .cont, .pag-trad, .rp-ctrl { grid-template-columns: 1fr; }
  .fp { grid-template-columns: 1fr 1fr; }
  .fp > div:last-child { grid-column: 1 / -1; }
  .fp-disco { grid-template-columns: repeat(8, 1fr); }
  .pag-ctrl { grid-template-columns: 1fr; }
  .mem-v, .mem-v.alto { height: 380px; }
}
@media (max-width: 600px) {
  .analogia { flex-direction: column; padding: 1.1rem; }
  .ana-ico { width: 3rem; height: 3rem; font-size: 1.9rem; }
  .contadores { grid-template-columns: repeat(2, 1fr); }
  .cab { flex-direction: column; gap: .5rem; }
  .carga, .fila-acc { grid-template-columns: 1fr 1fr; }
  .carga .campo, .fila-acc .campo { grid-column: 1 / -1; }
  .trad { grid-template-columns: 1fr 1fr; }
  .trad .campo:first-child { grid-column: 1 / -1; }
  .seg { grid-template-columns: 1fr; }
  .seg-logica { flex-direction: row; flex-wrap: wrap; }
  .seg-pieza { flex: 1 1 40%; height: auto !important; }
  .pag { grid-template-columns: 1fr; }
  .fp-pasos { grid-template-columns: 1fr; }
  .fp-pasos li { min-height: 0; }
  .fp-disco { grid-template-columns: repeat(4, 1fr); }
  .hero-mem { height: 70px; }
  .hb small { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ================= PAGINACIÓN GUIADA ================= */
.pgx-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .5rem; margin-bottom: 1.5rem; }
.pgx-tabs button { display: flex; align-items: center; gap: .55rem; text-align: left; padding: .6rem .8rem; border-radius: 12px; border: 1px solid var(--borde); background: var(--bg2); color: var(--muted); font-size: .88rem; transition: .2s; }
.pgx-tabs button span { flex-shrink: 0; width: 1.6rem; height: 1.6rem; border-radius: 8px; display: grid; place-items: center; font-family: var(--mono); font-size: .8rem; background: var(--card2); }
.pgx-tabs button.activo { color: var(--txt); border-color: var(--acc); box-shadow: 0 0 0 1px var(--acc); }
.pgx-tabs button.activo span { background: var(--acc); color: #fff; }
.pgx-paso { display: flex; flex-direction: column; gap: 1.1rem; animation: subir .4s both; min-height: 380px; }
.pgx-txt { font-size: 1.05rem; max-width: 78ch; }
.pgx-txt b { color: var(--acc2); }
.pgx-nav { display: flex; justify-content: space-between; align-items: center; margin-top: 1.6rem; padding-top: 1.2rem; border-top: 1px solid var(--borde); }
.barra-lbl { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: -.6rem; }
.proc-barra { position: relative; display: flex; gap: 4px; height: 74px; }
.pp { position: relative; flex: 1 1 0; min-width: 0; border-radius: 10px; overflow: hidden; border: 1px solid hsla(var(--h, 0), 85%, var(--blk-l), .6);
  background: repeating-linear-gradient(135deg, color-mix(in srgb, var(--bad) 35%, transparent) 0 5px, transparent 5px 10px); transition: box-shadow .2s, transform .2s; }
.pp-uso { position: absolute; inset: 0 auto 0 0; background: linear-gradient(hsla(var(--h), 85%, var(--blk-l), calc(var(--blk-a) + .1)), hsla(var(--h), 85%, var(--blk-l), calc(var(--blk-a) + .1))), var(--card); }
.pp-txt { position: relative; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; font-family: var(--mono); font-size: .8rem; line-height: 1.25; padding: 0 .2rem; }
.pp-txt small { font-size: .66rem; color: var(--muted); }
.ram .pp { border-color: var(--borde); }
.ram .pp.libre { background: repeating-linear-gradient(135deg, transparent 0 7px, var(--borde) 7px 9px); }
.ram .pp.otro { background: color-mix(in srgb, var(--txt) 10%, var(--bg2)); }
.ram .pp.otro .pp-txt, .ram .pp.libre .pp-txt { color: var(--muted); font-size: .7rem; }
.pp.destino { box-shadow: 0 0 0 3px var(--ok); overflow: visible; }
.pp.hl { box-shadow: 0 0 0 2px var(--acc2); transform: translateY(-2px); }
.mk-v { position: absolute; top: -6px; bottom: -6px; width: 3px; margin-left: -1.5px; background: var(--ok); box-shadow: 0 0 10px var(--ok); z-index: 3; pointer-events: none; transition: left .25s; }
.mk-v span { position: absolute; top: -1.4em; left: 50%; transform: translateX(-50%); font-family: var(--mono); font-size: .72rem; font-weight: 600; background: var(--ok); color: #fff; padding: 0 .45em; border-radius: 6px; white-space: nowrap; }
.proc-barra:has(.mk-v) { margin-top: 1rem; }
.pgx-res { display: flex; flex-direction: column; gap: .5rem; }
.pgx-res p { padding: .7rem 1rem; border-radius: 12px; background: var(--bg2); }
.pgx-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.3rem; align-items: start; }
.pg.ya { opacity: .55; }
.fr.ocup { background: color-mix(in srgb, var(--txt) 8%, var(--bg2)); }
.cuentas { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.cuentas li { display: flex; gap: .7rem; align-items: flex-start; padding: .7rem .9rem; border-radius: 12px; background: var(--bg2); border: 1px solid var(--borde); font-size: .95rem; }
.cuentas .nro { flex-shrink: 0; width: 1.6rem; height: 1.6rem; border-radius: 8px; display: grid; place-items: center; font-family: var(--mono); font-size: .8rem; background: var(--acc); color: #fff; }
.c-pag, .c-off, .c-mar { padding: 0 .3em; border-radius: 5px; }
.c-pag { background: color-mix(in srgb, var(--acc) 35%, transparent); }
.c-off { background: color-mix(in srgb, var(--acc2) 28%, transparent); }
.c-mar { background: color-mix(in srgb, var(--ok) 35%, transparent); }
.digitos { display: flex; justify-content: center; align-items: center; gap: 1.5rem; flex-wrap: wrap; font-family: var(--mono); font-size: clamp(1.6rem, 5vw, 2.4rem); font-weight: 600; }
.digitos > div:not(.flecha-d) { display: flex; align-items: center; gap: .15em; }
.digitos small { font-size: .8rem; color: var(--muted); font-weight: 400; margin-right: .5rem; }
.digitos span { padding: .05em .25em; }
.flecha-d { color: var(--muted); }
.pgx-4 { display: grid; grid-template-columns: 1fr 1.2fr; gap: 1.5rem; align-items: start; }
.porque { padding: .8rem 1rem; border-radius: 12px; background: var(--bg2); border-left: 3px solid var(--acc2); font-size: .92rem; }
.bits.grande { font-size: clamp(.95rem, 2.6vw, 1.3rem); }
.tabla-salto { margin: .9rem 0 .2rem; font-size: .95rem; }
@media (max-width: 860px) {
  .pgx-tabs { grid-template-columns: repeat(2, 1fr); }
  .pgx-3, .pgx-4, .cuentas { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .pgx-tabs button { font-size: .78rem; padding: .5rem; }
  .proc-barra { height: 64px; gap: 2px; }
  .pp-txt { font-size: .66rem; }
  .pp-txt small { display: none; }
  .ram .pp-txt { font-size: .6rem; }
}