/* EVA Lab y la bienvenida SÍ/NO. El mismo sistema del panel, con un acento tecnológico de EVA: fondo experimental
   azul noche y luz turquesa en las escenas, nunca en la navegación. */
:root { --lab-fondo: #10151d; --lab-luz: #6fdbd4; --lab-eva: #197c78; }
:root[data-tema="oscuro"] { --lab-eva: #4fbcb5; }

.lab-cab { margin-bottom: 22px; max-width: 760px; }
.lab-eti { font-size: 11px; font-weight: 600; letter-spacing: .08em; color: var(--lab-eva); text-transform: uppercase; }
.lab-cab h1 { margin: 8px 0 6px; font-size: 30px; line-height: 1.2; letter-spacing: -.015em; }
.lab-cab p { margin: 0; color: var(--texto-2); font-size: 16px; }
.lab-grid { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.lab-portada { --c: var(--lab-luz); background: var(--lab-fondo) !important; color: var(--lab-luz) !important; border-bottom: 0; }
.lab-portada::before { content: ''; position: absolute; inset: 0; background-image: linear-gradient(rgba(111,219,212,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(111,219,212,.07) 1px, transparent 1px); background-size: 20px 20px; }
.lab-portada.con-img { border-bottom: 3px solid var(--lab-luz); }
.lab-portada.con-img::before { display: none; }
.hecho-lab { background: rgba(11,11,12,.6); }
.lab-portada .p-num { font-size: 34px !important; letter-spacing: -.03em; color: #fff; top: 10px !important; }
.hecho-lab { position: absolute; right: 12px; top: 12px; font-size: 10px; letter-spacing: .08em; color: var(--lab-luz); border: 1px solid rgba(111,219,212,.5); border-radius: 999px; padding: 2px 8px; }
.exp-ir { align-self: flex-start; margin-top: 12px; height: 36px; }

/* Experimento */
.exp { max-width: 980px; }
.exp-barra { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; font-size: 13px; color: var(--texto-2); }
.exp-barra .mono { font-size: 12px; }
.exp-omitir { margin-left: auto; border: 0; background: none; color: var(--texto-2); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.exp-t { margin: 8px 0 18px; font-size: 26px; }
.exp-escena { min-height: 420px; }
.exp-eva { display: grid; gap: 10px; margin-top: 16px; max-width: 720px; }
.exp-eva .btn { justify-self: start; }
.eva-dice { display: flex; gap: 12px; align-items: flex-start; }
.eva-dice .eva-mini { width: 34px; height: 34px; border-radius: 10px; }
.eva-dice p { margin: 0; padding: 11px 14px; border-radius: 4px 14px 14px 14px; background: var(--panel); border: 1px solid var(--borde); border-left: 3px solid var(--lab-eva); font-size: 15px; }
.eva-dice.chico p { font-size: 14px; }
.eva-dice.alerta p { border-left-color: var(--rojo); }
.sello-sim { display: inline-block; font-size: 11px; letter-spacing: .06em; color: var(--lab-eva); border: 1px solid currentColor; border-radius: 999px; padding: 2px 10px; margin: 0 0 10px; }
.caso-bot { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

/* 01 y bienvenida: SÍ / NO. El SÍ crece con --s; el NO se achica un poco y nunca desaparece. */
.sn { text-align: center; padding: 34px 20px 10px; }
.sn-escena { background: var(--panel); border: 1px solid var(--borde); border-radius: 18px; }
.sn-q { font-size: 22px; line-height: 1.35; margin: 0 auto 26px; max-width: 560px; font-weight: 500; }
.sn-bot { display: flex; justify-content: center; align-items: center; gap: 18px; flex-wrap: wrap; min-height: 110px; }
.sn-bot .btn { --s: 1; height: calc(46px * var(--s)); padding: 0 calc(26px * var(--s)); font-size: calc(16px * var(--s)); border-radius: calc(10px * var(--s));
  transition: height var(--m-normal-t) var(--m-normal), padding var(--m-normal-t) var(--m-normal), font-size var(--m-normal-t) var(--m-normal), border-radius var(--m-normal-t) var(--m-normal), transform var(--m-agil-t) var(--m-agil), box-shadow .3s; }
.sn[data-r] .sn-si { box-shadow: 0 0 0 calc(3px * var(--s)) rgba(124,26,34,.12), 0 10px 24px rgba(124,26,34,.25); }
.sn[data-r="3"] .sn-si { box-shadow: 0 0 0 6px color-mix(in srgb, var(--lab-luz) 35%, transparent), 0 14px 30px rgba(124,26,34,.3); }
.sn-no { opacity: .9; }
.sn-eva { display: grid; justify-items: center; min-height: 64px; margin-top: 18px; }
.sn-eva .eva-dice { text-align: left; }

/* 02: verificación */
.cap { max-width: 560px; border: 1px solid var(--borde); border-radius: 14px; background: var(--panel); overflow: hidden; }
.cap-cab { background: var(--lab-fondo); color: #fff; padding: 16px 18px; display: grid; gap: 2px; }
.cap-cab b { font-size: 18px; } .cap-cab span { font-size: 14px; color: #c9d4dc; }
.cap-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; padding: 12px; }
.cap-op { position: relative; display: grid; justify-items: center; gap: 8px; padding: 18px 10px; border: 2px solid var(--borde); border-radius: 10px; background: var(--suave); font-size: 14px; font-weight: 500; color: var(--texto);
  transition: border-color .15s, transform var(--m-agil-t) var(--m-agil); }
.cap-op svg { color: var(--lab-eva); }
.cap-op[aria-pressed="true"] { border-color: var(--lab-eva); background: color-mix(in srgb, var(--lab-luz) 14%, var(--panel)); transform: scale(.97); }
.cap-ok { position: absolute; right: 8px; top: 8px; width: 22px; height: 22px; border-radius: 50%; background: var(--lab-eva); color: #fff; display: none; place-items: center; }
.cap-op[aria-pressed="true"] .cap-ok { display: grid; }
.cap-pie { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 10px 12px 12px; border-top: 1px solid var(--linea, var(--borde)); }
.cap-pie .mono { font-size: 10px; color: var(--texto-2); }

/* 03: actualización */
.upd { background: var(--lab-fondo); color: #e6eef3; border-radius: 16px; padding: 34px 32px 26px; max-width: 720px; }
.upd-t { margin: 0; font-size: 22px; font-weight: 600; } .upd-s { margin: 4px 0 22px; color: #9fb0bd; font-size: 14px; }
.upd-barra { height: 8px; border-radius: 4px; background: rgba(255,255,255,.12); overflow: hidden; }
.upd-barra b { display: block; height: 100%; width: 0; background: var(--lab-luz); border-radius: 4px; }
.upd.detenida .upd-barra b { background: #e5a54e; }
.upd-pct { margin: 10px 0 12px; font-size: 13px; color: var(--lab-luz); }
.upd.detenida .upd-pct { color: #e5a54e; }
.upd-log { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; font-size: 12px; color: #9fb0bd; min-height: 80px; }
.estado-u { font-weight: 600; } .estado-u.ok { color: var(--verde); } .estado-u.alto { color: var(--rojo); }

/* 04: caso */
.caso, .contrato { max-width: 720px; background: var(--panel); border: 1px solid var(--borde); border-radius: 16px; padding: 22px 24px; }
.caso h3, .contrato h3 { margin: 0 0 4px; font-size: 20px; }
.caso-d { margin: 0 0 14px; color: var(--texto-2); font-size: 14px; }
.maquina { display: grid; gap: 4px; background: var(--lab-fondo); color: #e6eef3; border-radius: 12px; padding: 16px 18px; }
.maquina .mono { font-size: 11px; letter-spacing: .08em; color: var(--lab-luz); }
.maquina b { font: 600 28px 'IBM Plex Mono', monospace; letter-spacing: .04em; }
.maquina span:last-child { font-size: 14px; color: #c9d4dc; }
.maquina.firmada { box-shadow: 0 0 0 3px var(--rojo); }
.fundamentos { margin: 16px 0 0; padding-left: 20px; display: grid; gap: 10px; font-size: 14px; }
.chip-f { display: inline-block; margin-left: 8px; font: 600 10px 'IBM Plex Mono', monospace; text-transform: uppercase; letter-spacing: .05em; padding: 2px 8px; border-radius: 999px; background: color-mix(in srgb, var(--ambar) 18%, transparent); color: var(--ambar); }
.chip-f.ok { background: color-mix(in srgb, var(--verde) 16%, transparent); color: var(--verde); }
.chip-f.alto { background: var(--rojo-suave); color: var(--rojo); }

/* 05: contrato */
.clausulas { max-height: 190px; overflow: auto; padding: 14px 16px; border: 1px solid var(--borde); border-radius: 10px; background: var(--suave); font-size: 13px; color: var(--texto-2); transition: max-height var(--m-normal-t) var(--m-normal); }
.clausulas.leyendo { max-height: 320px; color: var(--texto); }
.clausulas p { margin: 0 0 10px; }
.clausulas mark { background: none; color: inherit; transition: background .3s; }
.clausulas mark.brilla { background: color-mix(in srgb, var(--lab-luz) 40%, transparent); color: var(--texto); border-radius: 3px; }

/* 06: expediente digital (sin sellos ni timbres) */
.expediente { max-width: 820px; background: var(--panel); border: 1px solid var(--borde); border-radius: 16px; overflow: hidden; }
.exp-cab { display: flex; flex-wrap: wrap; gap: 6px 18px; padding: 14px 20px; background: var(--lab-fondo); color: #c9d4dc; font-size: 12px; }
.exp-cab b { color: #fff; font-size: 14px; letter-spacing: .06em; width: 100%; }
.declara { display: flex; align-items: center; gap: 12px; padding: 16px 20px 4px; }
.declara p { margin: 0; font-size: 18px; font-style: italic; }
.exp-inst { margin: 6px 20px 10px; color: var(--texto-2); font-size: 14px; }
.fojas { list-style: none; margin: 0; padding: 0 20px 6px; display: grid; gap: 10px; }
.fojas li { display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; padding: 14px 0; border-top: 1px solid var(--linea, var(--borde)); }
.foja { font-size: 12px; color: var(--texto-2); padding-top: 2px; }
.fojas p { margin: 2px 0 8px; font-size: 14px; color: var(--texto-2); }
.niveles { display: flex; gap: 6px; flex-wrap: wrap; }
.niveles button { border: 1px solid var(--borde); background: var(--suave); border-radius: 999px; padding: 5px 12px; font-size: 13px; }
.niveles button[aria-checked="true"] { background: var(--lab-fondo); color: var(--lab-luz); border-color: var(--lab-fondo); }
.foja-nota { margin: 8px 0 0 !important; font-size: 13px !important; padding: 8px 10px; border-radius: 8px; }
.foja-nota.ok { background: color-mix(in srgb, var(--verde) 12%, transparent); color: var(--texto) !important; }
.foja-nota.revisa { background: var(--rojo-suave); color: var(--texto) !important; }
.expediente > .caso-bot { padding: 0 20px 20px; }

/* Conclusión */
.exp-fin { max-width: 720px; background: var(--panel); border: 1px solid var(--borde); border-radius: 18px; padding: 28px 30px; border-top: 4px solid var(--lab-eva); }
.exp-fin h2 { margin: 6px 0 10px; font-size: 26px; line-height: 1.25; letter-spacing: -.01em; }
.exp-fin > p { margin: 0 0 16px; color: var(--texto-2); font-size: 15px; }
.fin-sub { font-size: 15px !important; color: var(--texto) !important; margin: 0 0 4px !important; }
.fin-pre { font-weight: 600; color: var(--lab-eva) !important; margin: 0 0 4px !important; }
.fin-ir { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 12px 0; border-top: 1px solid var(--linea, var(--borde)); border-bottom: 1px solid var(--linea, var(--borde)); }
.fin-ir .mono { font-size: 11px; color: var(--texto-2); letter-spacing: .06em; width: 100%; }
.fin-ir a { color: var(--rojo); font-weight: 600; text-decoration: none; font-size: 14px; }

/* Bienvenida en tres etapas */
.bv-grande { width: min(680px, 100%); padding: 22px 30px 30px; }
.bv-top { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; text-align: left; font-size: 11px; color: var(--texto-2); letter-spacing: .06em; }
.bv-top .eva-mini { width: 30px; height: 30px; border-radius: 9px; }
.bv-top .eva-mini .eva-iso { width: 12px; height: 22px; }
.bv-omitir { margin-left: auto; border: 0; background: none; color: var(--texto-2); font-size: 13px; text-decoration: underline; text-underline-offset: 3px; }
.bv-grande .sn { padding: 26px 0 0; }
.bv-grande .sn-q { font-size: 24px; }
.bv-rev { padding: 20px 4px 4px; }
.bv-rev h2 { font-size: 22px; line-height: 1.3; margin: 10px 0 10px; }
.bienvenida .bv-esc { margin-top: 10px; }

@media (max-width: 860px) {
  .lab-cab h1 { font-size: 23px; }
  .lab-grid { grid-template-columns: minmax(0, 1fr); }
  .exp-t { font-size: 21px; margin-bottom: 12px; }
  .exp-escena { min-height: 0; }
  .sn-q, .bv-grande .sn-q { font-size: 19px; }
  .sn-bot { gap: 12px; min-height: 96px; }
  .sn-bot .btn { padding: 0 calc(18px * var(--s)); font-size: calc(15px * var(--s)); height: calc(44px * var(--s)); }
  .cap-grid { gap: 6px; padding: 8px; } .cap-op { padding: 14px 6px; font-size: 13px; }
  .upd { padding: 24px 18px 20px; }
  .caso, .contrato { padding: 18px 16px; }
  .maquina b { font-size: 22px; }
  .fojas li { grid-template-columns: minmax(0, 1fr); gap: 4px; }
  .exp-fin { padding: 22px 18px; } .exp-fin h2 { font-size: 21px; }
  .bv-grande { padding: 18px 18px 22px; }
  .exp-cab { padding: 12px 16px; }
}