/* Marketing — app web de clientes. Mobile-first, sin dependencias. */
:root{
  --bg:#f6f7fb; --card:#ffffff; --ink:#0f172a; --muted:#64748b;
  --line:#e5e8f0; --brand:#1d4ed8; --brand-dark:#1e40af;
  --ok:#15803d; --warn:#b45309; --bad:#b91c1c; --soft:#eff4ff;
  --radius:14px; --shadow:0 1px 3px rgba(15,23,42,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.5;padding-bottom:76px}
a{color:var(--brand);text-decoration:none}
h1{font-size:1.35rem;margin:.2rem 0 1rem;letter-spacing:-.01em}
h2{font-size:1.1rem;margin:1.2rem 0 .6rem}
h3{font-size:1rem;margin:1rem 0 .4rem}
p{margin:.4rem 0}

/* App bar */
#appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;padding:.7rem 1rem;background:#0f172a;color:#fff}
.brand{display:flex;align-items:center;gap:.55rem}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  font-weight:800;font-size:1.05rem}
.brand-name{font-weight:700;font-size:1.05rem;letter-spacing:.01em}
#help-btn{display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;border:1.5px solid rgba(255,255,255,.55);
  color:#fff;font-weight:700;font-size:1rem;opacity:.9}
#help-btn:active{opacity:1;background:rgba(255,255,255,.12)}

/* View */
#view{max-width:640px;margin:0 auto;padding:1rem 1rem 2rem}

/* Bottom tab bar */
#tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;display:flex;
  background:#fff;border-top:1px solid var(--line);padding:.35rem 0 calc(.35rem + env(safe-area-inset-bottom))}
#tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;
  color:var(--muted);font-size:.72rem;padding:.25rem 0}
#tabbar a.active{color:var(--brand);font-weight:600}
.tab-ico{font-size:1.25rem;line-height:1}
/* Paquete "Avisos": punto rojo de pendientes en la pestaña Más */
#tabbar a{position:relative}
.tab-dot{position:absolute;top:2px;right:calc(50% - 20px);min-width:18px;height:18px;
  padding:0 5px;border-radius:9px;background:#dc2626;color:#fff;font-size:.68rem;
  font-weight:700;line-height:18px;text-align:center}
.tab-dot[hidden]{display:none}
.warn-card{border-left:4px solid #dc2626}

/* Cards */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:1rem;margin-bottom:.9rem}
.card.tint{background:var(--soft);border-color:#dbe5ff}
.row{display:flex;align-items:center;gap:.6rem}
.row.between{justify-content:space-between}
.muted{color:var(--muted)}
.small{font-size:.82rem}
.big{font-size:1.6rem;font-weight:800;letter-spacing:-.02em}
.center{text-align:center}
.mt{margin-top:.8rem}

/* Balance bar */
.bar{height:10px;border-radius:6px;background:#e8ecf5;overflow:hidden;margin:.5rem 0}
.bar > i{display:block;height:100%;background:linear-gradient(90deg,#3b82f6,#1d4ed8);border-radius:6px}
.bar.low > i{background:linear-gradient(90deg,#f59e0b,#b45309)}

/* Badges & alerts */
.badge{display:inline-block;padding:.12rem .55rem;border-radius:999px;font-size:.75rem;
  font-weight:600;background:#e8ecf5;color:#334155}
.badge.ok{background:#dcfce7;color:var(--ok)}
.badge.warn{background:#fef3c7;color:var(--warn)}
.badge.bad{background:#fee2e2;color:var(--bad)}
.badge.info{background:#dbeafe;color:var(--brand-dark)}
.alert{border-radius:var(--radius);padding:.8rem 1rem;margin-bottom:.9rem;font-size:.92rem}
.alert.warn{background:#fffbeb;border:1px solid #fcd34d;color:#92400e}
.alert.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  border:0;border-radius:10px;padding:.72rem 1.1rem;font-size:1rem;font-weight:600;
  background:var(--brand);color:#fff;cursor:pointer;width:100%}
.btn:active{background:var(--brand-dark)}
.btn.secondary{background:#eef1f7;color:var(--ink)}
.btn.danger{background:#fee2e2;color:var(--bad)}
.btn.ghost{background:transparent;color:var(--brand);padding:.5rem .4rem;width:auto}
.btn.inline{width:auto}
.btn.sm{padding:.45rem .8rem;font-size:.88rem}
.btn[disabled]{opacity:.55;cursor:default}
.btn-row{display:flex;gap:.6rem;margin-top:.7rem}
.btn-row .btn{flex:1}

/* Forms */
label{display:block;font-size:.88rem;font-weight:600;margin:.7rem 0 .25rem}
input,select,textarea{width:100%;padding:.65rem .75rem;border:1px solid var(--line);
  border-radius:10px;font-size:1rem;font-family:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #bfdbfe;border-color:var(--brand)}
textarea{min-height:90px;resize:vertical}
.check{display:flex;align-items:flex-start;gap:.55rem;margin:.6rem 0;font-weight:400}
.check input{width:1.15rem;height:1.15rem;margin-top:.15rem;flex:none}
.hint{font-size:.8rem;color:var(--muted);margin-top:.2rem}
.tabs{display:flex;gap:.4rem;margin-bottom:1rem}
.tabs button{flex:1;border:1px solid var(--line);background:#fff;border-radius:10px;
  padding:.6rem .3rem;font-size:.9rem;font-weight:600;color:var(--muted);cursor:pointer}
.tabs button.active{background:var(--brand);border-color:var(--brand);color:#fff}

/* Lists */
.item{display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:.9rem 1rem;margin-bottom:.6rem;color:var(--ink)}
.item .row.between{align-items:flex-start}
.item:active{background:#f8fafc}

/* Plan cards (beta 4.2: info clave + detalles expandibles) */
.plan{border:2px solid var(--line)}
.plan.current{border-color:var(--brand)}
.plan-price{font-size:1.5rem;font-weight:800}
.plan-tokens{font-weight:700;color:var(--brand-dark)}
details.plan-more{margin-top:.6rem;border-top:1px dashed var(--line);padding-top:.5rem}
details.plan-more summary{cursor:pointer;color:var(--brand);font-weight:600;font-size:.9rem}
details.plan-more dl{margin:.5rem 0 0;font-size:.88rem}
details.plan-more dt{font-weight:600}
details.plan-more dd{margin:0 0 .4rem;color:var(--muted)}

/* Messages */
.msg{max-width:88%;padding:.6rem .8rem;border-radius:12px;margin:.4rem 0;font-size:.94rem}
.msg.in{background:#fff;border:1px solid var(--line);border-bottom-left-radius:3px}
.msg.out{background:#dbeafe;border-bottom-right-radius:3px;margin-left:auto}
.msg .meta{font-size:.72rem;color:var(--muted);margin-top:.25rem}
.chat-log{max-height:320px;overflow-y:auto;padding:.2rem .1rem}
#chat-row input{flex:1;min-width:0}

/* Steps (guía NFC) */
.step{border-left:3px solid var(--brand);padding:.2rem 0 .8rem .9rem;margin-left:.3rem}
.step h4{margin:.1rem 0 .3rem}
.step img{max-width:100%;border-radius:10px;border:1px solid var(--line);margin:.4rem 0}

/* Menu grid ("Más") */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:.7rem}
.grid a{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1rem .8rem;color:var(--ink);font-weight:600;font-size:.95rem;box-shadow:var(--shadow)}
.grid a small{display:block;font-weight:400;color:var(--muted);font-size:.78rem;margin-top:.2rem}

/* Toast */
#toast{position:fixed;left:1rem;right:1rem;bottom:84px;z-index:50;background:#0f172a;
  color:#fff;border-radius:12px;padding:.85rem 1rem;font-size:.92rem;box-shadow:0 4px 18px rgba(0,0,0,.25)}
#toast.err{background:#7f1d1d}

/* Modal (p. ej. "Tokens insuficientes") */
#modal-overlay{position:fixed;inset:0;z-index:100;background:rgba(15,23,42,.55);
  display:flex;align-items:center;justify-content:center;padding:1.2rem}
#modal-overlay[hidden]{display:none}
#modal-card{background:#fff;border-radius:var(--radius);max-width:22rem;width:100%;
  padding:1.4rem;box-shadow:0 20px 60px rgba(0,0,0,.25)}
#modal-card h2{margin:.1rem 0 .6rem;font-size:1.2rem}
#modal-card .btn-row{margin-top:1rem}

.empty{text-align:center;color:var(--muted);padding:2rem 1rem}
code{background:#eef1f7;border-radius:6px;padding:.1rem .35rem;font-size:.85em}
@media (min-width:700px){
  body{font-size:16.5px}
  #view{padding:1.5rem 1rem 3rem}
}

/* Footer legal (visible en todas las pantallas, incluido login) */
#legal-footer{border-top:1px solid var(--line);margin-top:2rem;padding:1rem;
  text-align:center;font-size:.82rem}
#legal-footer nav a{color:var(--ink);font-weight:600;text-decoration:none}
#legal-footer nav a:hover{text-decoration:underline}
#legal-footer p{margin:.3rem 0 0}

/* Documentos legales */
.legal-doc{max-width:44rem;margin:0 auto}
.legal-doc h1{font-size:1.35rem;margin-bottom:.2rem}
.breadcrumb{font-size:.85rem;margin-bottom:.6rem}
.breadcrumb a{color:var(--muted);text-decoration:none}
.legal-toc{background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:.7rem 1rem;margin:.9rem 0}
.legal-toc summary{cursor:pointer}
.legal-toc ol{margin:.5rem 0 .2rem;padding-left:1.2rem;font-size:.88rem}
.legal-toc a{color:var(--ink);text-decoration:none}
.legal-toc a:hover{text-decoration:underline}
.legal-body h2{font-size:1.08rem;margin:1.4rem 0 .4rem;scroll-margin-top:1rem}
.legal-body h3{font-size:.98rem;margin:1rem 0 .3rem}
.legal-body p,.legal-body li{font-size:.92rem;line-height:1.55}
.legal-body blockquote{background:#fffbeb;border:1px solid #fcd34d;
  border-radius:var(--radius);padding:.6rem .9rem;margin:.8rem 0}
.legal-body blockquote p{margin:.2rem 0;font-size:.85rem;color:#92400e}
.legal-body table{width:100%;border-collapse:collapse;font-size:.85rem;margin:.6rem 0}
.legal-body th,.legal-body td{border:1px solid var(--line);padding:.45rem .6rem;text-align:left}
.legal-body th{background:var(--soft)}
.tbl-wrap{overflow-x:auto}

/* Checkbox de aceptación de términos */
.check-row{display:flex;gap:.6rem;align-items:flex-start;margin:.9rem 0;
  font-size:.88rem;line-height:1.45;cursor:pointer}
.check-row input[type="checkbox"]{margin-top:.2rem;min-width:1.1rem;min-height:1.1rem;accent-color:#1d4ed8}
.check-row a{font-weight:600}