/* ==========================================================================
   LINKING BRAINS · estilo común de todo el ecosistema
   Base visual: Connections Pro. Solo aspecto: no cambia nada del funcionamiento.
   Cada app lleva una copia idéntica de este archivo.
   ========================================================================== */

:root{
  --bg:#04060e; --bg2:#070b18; --card:#0a0f20; --card2:#0d1428;
  --blue:#2f7bff; --blue2:#58b0ff;
  --txt:#eaf0ff; --mut:#8292b8; --line:#172247;
  --ok:#5fe0a8; --warn:#ffd36b; --bad:#ff6b7d;
  --radius:18px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",system-ui,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;overflow-x:hidden}
body.lb{font:16px/1.6 var(--font);color:var(--txt);-webkit-font-smoothing:antialiased;
  background:
    radial-gradient(1100px 620px at 50% -8%,rgba(47,123,255,.22),transparent 60%),
    radial-gradient(800px 500px at 100% 20%,rgba(88,176,255,.10),transparent 55%),var(--bg);
  background-attachment:fixed;min-height:100vh}
body.lb a{color:var(--blue2)}
.lb-wrap{max-width:900px;margin:0 auto;padding:0 20px}
.lb-narrow{max-width:560px;margin:0 auto;padding:0 20px}

/* ---------- Cabecera de app: punto + nombre ---------- */
.lb-head{padding:22px 0 0;display:flex;align-items:center;gap:9px}
.lb-head .dot{width:8px;height:8px;border-radius:50%;background:var(--blue2);box-shadow:0 0 10px var(--blue2),0 0 22px var(--blue)}
.lb-head .name{font-weight:800;font-size:15px;letter-spacing:.5px;color:var(--mut)}
.lb-head .end{margin-left:auto;font-size:14px;color:var(--mut);text-decoration:none}

/* ---------- Marca: nombre de la app + ilustración neón debajo ---------- */
.lb-hero{text-align:center}
.lb-brand{font-weight:900;font-size:clamp(40px,11vw,86px);line-height:.98;letter-spacing:-1px;margin:40px 0 10px;
  color:#fff;text-shadow:0 0 10px var(--blue),0 0 26px rgba(47,123,255,.7)}
.lb-art{display:block;margin:6px auto 34px;max-width:min(560px,94%);width:100%;filter:drop-shadow(0 0 14px rgba(47,123,255,.35))}
.lb-kicker{display:inline-block;margin:0 0 30px;padding:7px 13px;border:1px solid var(--blue);border-radius:999px;
  font-size:11px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--blue2);background:rgba(47,123,255,.08)}
.lb-h1{font-size:clamp(22px,4.6vw,38px);line-height:1.2;margin:0 auto 30px;font-weight:800;letter-spacing:-.4px;max-width:720px;color:#fff}
.lb-lead{font-size:clamp(16px,2.4vw,20px);color:var(--txt);max-width:640px;margin:0 auto 44px}

/* ---------- Botones píldora ---------- */
.lb-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:800 18px var(--font);
  padding:17px 40px;border-radius:999px;border:0;cursor:pointer;text-decoration:none;color:#fff!important;
  background:linear-gradient(135deg,#2f7bff,#58b0ff);box-shadow:0 0 26px rgba(47,123,255,.6);
  transition:transform .12s,opacity .2s;-webkit-appearance:none}
.lb-btn.pulse{animation:lbpulse 2s ease-in-out infinite}
@keyframes lbpulse{50%{box-shadow:0 0 34px rgba(47,123,255,.85)}}
.lb-btn:active{transform:scale(.97)}
.lb-btn:disabled,.lb-btn[disabled]{opacity:.45;cursor:not-allowed;animation:none}
.lb-btn.full{display:flex;width:100%}
.lb-btn.sm{font-size:14px;padding:10px 18px;box-shadow:0 0 14px rgba(47,123,255,.45)}
.lb-btn.sec{background:rgba(47,123,255,.08);border:1px solid var(--line);color:var(--blue2)!important;box-shadow:none}
.lb-btn.danger{background:linear-gradient(135deg,#ff4d6a,#ff7a8a);box-shadow:0 0 18px rgba(255,77,106,.45)}
.lb-btn.warn{background:linear-gradient(135deg,#ff9f0a,#ffc04d);color:#1a1000!important;box-shadow:0 0 18px rgba(255,159,10,.45)}
.lb-cta{display:inline-flex;flex-direction:column;align-items:center;gap:18px}
.lb-cta-sub{font-size:15px;font-weight:600;color:#9fc4ff}

/* ---------- Secciones ---------- */
.lb-sec{padding:66px 0;border-top:1px solid var(--line)}
.lb-h2{font-size:clamp(22px,4vw,32px);margin:0 0 34px;font-weight:800;text-align:center;color:#fff}
.lb-label{font-size:11px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--blue2);margin:26px 0 10px}

/* Ventajas */
.lb-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media(max-width:620px){.lb-grid{grid-template-columns:1fr}}
.lb-feat{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.lb-feat .ico{width:46px;height:46px;margin-bottom:12px;color:var(--blue2);display:flex;align-items:center;justify-content:flex-start;font-size:30px}
.lb-feat .ico svg{width:46px;height:46px}
.lb-feat h3{margin:0 0 6px;font-size:18px;color:#fff}
.lb-feat p{margin:0;color:var(--mut);font-size:15px}

/* Precio */
.lb-price{text-align:center;background:linear-gradient(180deg,rgba(47,123,255,.12),transparent);
  border:1px solid var(--blue);border-radius:24px;padding:36px 22px}
.lb-price .badge{display:inline-block;padding:6px 12px;border-radius:999px;background:var(--blue);color:#fff;
  font-size:11px;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;margin-bottom:14px}
.lb-price .big{font-size:64px;font-weight:850;line-height:1;color:#fff}
.lb-price .was{color:var(--mut);text-decoration:line-through;margin-top:8px}
.lb-price .u{color:var(--mut);font-size:16px;margin:6px 0 14px}
.lb-price .left{font-size:15px;font-weight:800;color:var(--warn);margin:8px 0 14px}
.lb-price p{color:var(--mut);max-width:520px;margin:0 auto 22px}

/* Cómo funciona */
.lb-steps{counter-reset:h;display:grid;gap:16px;max-width:620px;margin:0 auto}
.lb-step{counter-increment:h;position:relative;padding:16px 16px 16px 60px;background:var(--card);border:1px solid var(--line);border-radius:14px}
.lb-step::before{content:counter(h);position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#2f7bff,#58b0ff);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;box-shadow:0 0 14px rgba(47,123,255,.6)}

/* Preguntas */
.lb-faq{max-width:680px;margin:0 auto;display:grid;gap:12px}
.lb-faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.lb-faq summary{cursor:pointer;font-weight:700;color:#fff;list-style:none}
.lb-faq summary::-webkit-details-marker{display:none}
.lb-faq summary::after{content:"+";float:right;color:var(--blue2);font-weight:800}
.lb-faq details[open] summary::after{content:"–"}
.lb-faq p{margin:10px 0 0;color:var(--mut);font-size:15px}

/* Pie común */
.lb-foot{padding:40px 0 60px;text-align:center;color:var(--mut);font-size:13px;border-top:1px solid var(--line)}
.lb-foot .lbmark{display:inline-block;margin-top:14px;font-weight:800;letter-spacing:.3px;color:#cfe0ff;text-decoration:none}
.lb-foot .lbmark span{color:var(--mut);font-weight:600}
.lb-pays{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:18px 0 10px}

/* ---------- Tarjetas, filas y controles (admins y ajustes) ---------- */
.lb-card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.lb-list{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:14px}
.lb-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-bottom:1px solid var(--line)}
.lb-row:last-child{border-bottom:0}
.lb-row .t{color:#fff;font-weight:600}
.lb-row .s{display:block;color:var(--mut);font-size:13px;font-weight:400}

.lb-input,body.lb input[type=text],body.lb input[type=email],body.lb input[type=password],body.lb input[type=number],
body.lb input[type=search],body.lb input[type=url],body.lb input:not([type]),body.lb select,body.lb textarea{
  font:16px var(--font);color:#fff;background:#030812;border:1px solid var(--line);border-radius:14px;padding:13px 15px;outline:none;
  -webkit-appearance:none;appearance:none;transition:border-color .15s,box-shadow .15s}
body.lb input:focus,body.lb select:focus,body.lb textarea:focus{border-color:var(--blue2);box-shadow:0 0 0 1px var(--blue2),0 0 18px rgba(88,176,255,.25)}
body.lb input::placeholder,body.lb textarea::placeholder{color:#55688f}

/* Interruptor (checkbox con class lb-switch) */
.lb-switch{-webkit-appearance:none;appearance:none;width:51px;height:31px;border-radius:31px;background:#1a2440;position:relative;flex:none;cursor:pointer;
  border:0!important;padding:0!important;transition:background .2s}
.lb-switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#7489ae;transition:.2s}
.lb-switch:checked{background:linear-gradient(135deg,#2f7bff,#58b0ff);box-shadow:0 0 14px rgba(47,123,255,.6)}
.lb-switch:checked::after{left:22px;background:#fff}

.lb-chip{display:inline-block;font-size:12px;font-weight:700;border:1px solid var(--line);border-radius:999px;padding:4px 10px;color:var(--txt)}
.lb-chip.ok{border-color:#1d4a34;color:var(--ok)}
.lb-chip.bad{border-color:#4a1d24;color:var(--bad)}
.lb-muted{color:var(--mut)}

/* Barra de modo test (común) */
.lb-testbar{position:fixed;top:0;left:0;right:0;z-index:50;background:#b8860b;color:#000;font-weight:800;
  font-size:12px;letter-spacing:1px;text-align:center;padding:5px 8px}