/* RENAB LOGIN V3 - archivo exclusivo, aislado de app.css */
html,body{min-height:100%}
body.ib3-body{margin:0!important;min-height:100vh!important;padding:0!important;display:block!important;overflow-x:hidden!important;background:#f3f7f8!important;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif!important;color:#173641!important}
.ib3-body *{box-sizing:border-box}
.ib3-body svg{display:block;max-width:100%;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ib3-shell{width:100%;min-height:100vh;display:grid;grid-template-columns:minmax(0,58%) minmax(420px,42%);background:#fff}
.ib3-brand{position:relative;min-height:100vh;overflow:hidden;padding:44px clamp(38px,4vw,76px) 34px;display:flex;flex-direction:column;background:linear-gradient(145deg,#082d3b 0%,#0a4652 58%,#087268 135%);color:#fff}
.ib3-grid{position:absolute;inset:0;opacity:.075;background-image:linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.55) 1px,transparent 1px);background-size:54px 54px;pointer-events:none}
.ib3-decoration{position:absolute;border-radius:50%;pointer-events:none}.ib3-decoration-a{width:420px;height:420px;left:-230px;top:5%;background:radial-gradient(circle,rgba(42,226,208,.24) 0,rgba(42,226,208,0) 70%)}.ib3-decoration-b{width:540px;height:540px;right:-300px;bottom:-120px;border:1px solid rgba(105,229,216,.14);border-radius:44% 56% 63% 37%/51% 38% 62% 49%;transform:rotate(21deg)}
.ib3-brand-header,.ib3-hero,.ib3-brand-footer{position:relative;z-index:2}.ib3-brand-header{display:flex;align-items:center;gap:13px}.ib3-logo{width:48px;height:48px;flex:0 0 48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#19b9ac,#75ded4);color:#07343a;font-size:16px;font-weight:900;letter-spacing:-.04em;box-shadow:0 12px 28px rgba(0,0,0,.15)}
.ib3-brand-name strong{display:block;color:inherit;font-size:19px;line-height:1.1}.ib3-brand-name span{display:block;margin-top:4px;color:#9fc5ca;font-size:11px;line-height:1.2}
.ib3-hero{width:min(720px,100%);margin:auto 0;padding:62px 0}.ib3-kicker{margin-bottom:18px;color:#7fe0d7;font-size:10px;font-weight:800;letter-spacing:.14em}.ib3-hero h1{max-width:690px;margin:0;color:#fff!important;font-size:clamp(40px,4vw,64px);line-height:1.04;letter-spacing:-.045em;font-weight:800}.ib3-hero>p{max-width:650px;margin:22px 0 0;color:#bbd3d7!important;font-size:15px;line-height:1.7}
.ib3-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:38px}.ib3-feature{min-width:0;display:flex;align-items:flex-start;gap:11px;padding:14px 13px;border:1px solid rgba(255,255,255,.11);border-radius:15px;background:rgba(255,255,255,.055)}.ib3-feature-icon{width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:10px;background:rgba(92,226,214,.12);color:#76dfd6}.ib3-feature-icon svg{width:20px!important;height:20px!important}.ib3-feature strong{display:block;color:#f3fbfb;font-size:11px;line-height:1.35}.ib3-feature span{display:block;margin-top:4px;color:#94b8be;font-size:9px;line-height:1.45}
.ib3-brand-footer{display:flex;align-items:center;justify-content:space-between;color:#8db1b7;font-size:10px}.ib3-online{display:flex;align-items:center;gap:8px}.ib3-online i{width:7px;height:7px;border-radius:50%;background:#38d6a2;box-shadow:0 0 0 5px rgba(56,214,162,.09)}
.ib3-access{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:46px clamp(32px,4.5vw,76px);background:linear-gradient(180deg,#fcfefe 0%,#f2f7f8 100%)}.ib3-card{width:min(430px,100%)}.ib3-mobile-brand{display:none;align-items:center;gap:12px}.ib3-pill{width:max-content;display:inline-flex;align-items:center;gap:7px;padding:7px 10px;border:1px solid #cde6e3;border-radius:999px;background:#ecf9f7;color:#117f77;font-size:10px;font-weight:800;letter-spacing:.065em;text-transform:uppercase}.ib3-pill svg{width:15px!important;height:15px!important}
.ib3-heading{margin:20px 0 30px}.ib3-heading h2{margin:0!important;color:#0b303d!important;font-size:32px;line-height:1.15;letter-spacing:-.035em}.ib3-heading p{margin:9px 0 0!important;color:#70858e!important;font-size:13px;line-height:1.55}
.ib3-form{display:grid;gap:18px}.ib3-field{display:grid;gap:8px}.ib3-field label{color:#294852;font-size:11px;font-weight:700}.ib3-input{position:relative;color:#78939d}.ib3-input>svg{position:absolute;left:14px;top:50%;z-index:2;transform:translateY(-50%);width:19px!important;height:19px!important;pointer-events:none}.ib3-input input{display:block;width:100%!important;height:52px!important;margin:0!important;padding:0 15px 0 44px!important;border:1px solid #cedde2!important;border-radius:13px!important;outline:0!important;background:#fff!important;color:#173641!important;font:500 13px Inter,system-ui,sans-serif!important;box-shadow:none!important;transition:border-color .18s,box-shadow .18s}.ib3-input input::placeholder{color:#9babb2}.ib3-input input:hover{border-color:#b4cbd1!important}.ib3-input input:focus{border-color:#18a99f!important;box-shadow:0 0 0 4px rgba(19,168,158,.1)!important}.ib3-password input{padding-right:50px!important}
.ib3-eye{position:absolute;right:9px;top:50%;z-index:3;transform:translateY(-50%);width:35px;height:35px;padding:0;border:0;border-radius:9px;background:transparent;color:#7d949d;display:grid;place-items:center;cursor:pointer}.ib3-eye:hover{background:#edf5f6;color:#245c65}.ib3-eye svg{width:19px!important;height:19px!important}.ib3-eye-closed{display:none!important}.ib3-eye.is-visible .ib3-eye-open{display:none!important}.ib3-eye.is-visible .ib3-eye-closed{display:block!important}
.ib3-submit{width:100%;height:52px;margin-top:4px;padding:0 16px;border:0;border-radius:13px;background:linear-gradient(135deg,#16aaa0,#0e9189);color:#fff;display:flex;align-items:center;justify-content:center;gap:9px;font:700 12px Inter,system-ui,sans-serif;cursor:pointer;box-shadow:0 12px 24px rgba(15,149,140,.18);transition:transform .18s,box-shadow .18s}.ib3-submit:hover{transform:translateY(-1px);box-shadow:0 15px 28px rgba(15,149,140,.24)}.ib3-submit:active{transform:translateY(0)}.ib3-submit svg{width:18px!important;height:18px!important}
.ib3-alert{display:flex;align-items:center;gap:9px;margin:-12px 0 20px;padding:11px 12px;border:1px solid #f0c8c8;border-radius:11px;background:#fff0f0;color:#a33b3b;font-size:12px}.ib3-alert svg{width:18px!important;height:18px!important;flex:0 0 18px}.ib3-note{display:flex;align-items:flex-start;gap:9px;margin-top:24px;padding:12px 13px;border-radius:12px;background:#eaf2f4;color:#607984;font-size:10px;line-height:1.5}.ib3-note svg{width:17px!important;height:17px!important;flex:0 0 17px;margin-top:1px;color:#26887f}.ib3-copyright{margin-top:24px;color:#95a6ad;font-size:9px;text-align:center}
@media(max-width:1120px){.ib3-shell{grid-template-columns:minmax(0,1fr) 450px}.ib3-brand{padding-left:40px;padding-right:40px}.ib3-features{grid-template-columns:1fr}.ib3-feature{max-width:430px}.ib3-hero h1{font-size:44px}.ib3-hero{padding:46px 0}.ib3-access{padding-left:38px;padding-right:38px}}
@media(max-width:860px){.ib3-shell{display:block;min-height:100vh;background:linear-gradient(155deg,#082e3b 0,#0a4a55 245px,#f2f7f8 245px)}.ib3-brand{display:none!important}.ib3-access{min-height:100vh;padding:28px 20px 38px;background:transparent;align-items:flex-start}.ib3-card{width:min(500px,100%);margin:0 auto;padding:24px 24px 22px;border:1px solid rgba(219,232,235,.9);border-radius:22px;background:#fff;box-shadow:0 24px 60px rgba(7,44,57,.16)}.ib3-mobile-brand{display:flex;color:#fff;margin:0 0 50px -1px}.ib3-mobile-brand .ib3-brand-name span{color:#bdd6da}.ib3-heading h2{font-size:29px}}
@media(max-width:480px){.ib3-shell{background:linear-gradient(155deg,#082e3b 0,#0a4a55 220px,#f2f7f8 220px)}.ib3-access{padding:22px 13px 28px}.ib3-card{padding:20px 17px 19px;border-radius:18px}.ib3-mobile-brand{margin-bottom:43px}.ib3-mobile-brand .ib3-logo{width:43px;height:43px;flex-basis:43px}.ib3-heading{margin:18px 0 25px}.ib3-heading h2{font-size:26px}.ib3-input input,.ib3-submit{height:50px!important}.ib3-note{font-size:9.5px}}

/* RENAB V1 · rojo, negro y blanco */
.ib3-brand{background:linear-gradient(145deg,#161616 0%,#242424 58%,#3a0a0a 135%)}
.ib3-grid{opacity:.05}.ib3-decoration-a{background:radial-gradient(circle,rgba(208,18,18,.27) 0,rgba(208,18,18,0) 70%)}
.ib3-decoration-b{border-color:rgba(220,44,44,.18)}
.renab-login-lockup{width:min(340px,72%);padding:8px 13px;border-radius:14px;background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.22)}
.renab-login-lockup img{display:block;width:100%;height:auto}.renab-login-lockup.mobile{width:min(280px,88%);box-shadow:0 8px 22px rgba(0,0,0,.18)}
.ib3-kicker{color:#ff8a8a}.ib3-feature-icon{background:rgba(212,25,25,.14);color:#ff9b9b}.ib3-brand-footer{color:#c8c8c8}
.ib3-pill{border-color:#edcaca;background:#fff5f5;color:#9d0b0b}.ib3-input input:focus{border-color:#bd0d0d!important;box-shadow:0 0 0 4px rgba(189,13,13,.1)!important}
.ib3-submit{background:linear-gradient(135deg,#c81010,#9f0909);box-shadow:0 12px 24px rgba(159,9,9,.18)}.ib3-submit:hover{box-shadow:0 15px 28px rgba(159,9,9,.24)}
.ib3-note svg{color:#a50d0d}
@media(max-width:860px){.ib3-shell{background:linear-gradient(155deg,#171717 0,#341010 245px,#f4f4f5 245px)}}
@media(max-width:480px){.ib3-shell{background:linear-gradient(155deg,#171717 0,#341010 220px,#f4f4f5 220px)}.renab-login-lockup.mobile{width:min(245px,92%)}}


/* RENAB V3.1 · refinamiento visual del acceso administrativo */
.ib3-card-surface{padding:34px 32px 28px;border:1px solid #e4eaec;border-radius:26px;background:rgba(255,255,255,.92);box-shadow:0 24px 60px rgba(13,18,21,.10);backdrop-filter:blur(8px)}
.ib3-access{background:radial-gradient(circle at top,rgba(189,13,13,.06),transparent 38%),linear-gradient(180deg,#fcfdfd 0%,#f3f7f8 100%)}
.ib3-heading{margin:20px 0 26px}
.ib3-heading p{max-width:36ch}
.ib3-form{gap:16px}
.ib3-input input{height:54px!important;border-radius:14px!important}
.ib3-submit{height:54px;border-radius:14px;font-size:12.5px}
.ib3-note{margin-top:20px;background:#f5f8f9;border:1px solid #e4ecee;color:#56707a}
.ib3-copyright{margin-top:18px}
@media(max-width:860px){.ib3-card-surface{padding:24px 24px 22px;border-radius:22px}}
@media(max-width:480px){.ib3-card-surface{padding:20px 17px 18px;border-radius:18px}}