:root{
  --bg:#0a0a0a; --panel:#141414; --panel2:#1c1c1c; --border:#262626;
  --text:#f5f5f5; --muted:#9ca3af; --primary:#c6ff00; --primary-fg:#0a0a0a;
  --ok:#22c55e; --warn:#f59e0b; --bad:#ef4444;
  --radius:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:inherit;text-decoration:none}
.container{max-width:1200px;margin:0 auto;padding:1.5rem}
.muted{color:var(--muted)}
.center{text-align:center}
.bad-text{color:var(--bad)}

/* Topbar */
.topbar{display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:linear-gradient(180deg,#111,#0a0a0a);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:.5rem;font-weight:900;font-size:1.25rem;letter-spacing:.05em}
.brand em{color:var(--primary);font-style:normal}
.logo{font-size:1.5rem}
.nav{display:flex;gap:.25rem;margin-left:auto;flex-wrap:wrap}
.nav a{padding:.5rem .9rem;border-radius:8px;color:var(--muted);font-weight:600;font-size:.9rem}
.nav a:hover{color:var(--text);background:var(--panel)}
.nav a.active{background:var(--primary);color:var(--primary-fg)}
.nav a.logout{color:var(--bad)}
.burger{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;margin-left:auto;cursor:pointer}
@media(max-width:780px){
  .burger{display:block}
  .nav{display:none;flex-direction:column;width:100%;order:3;margin:.75rem 0 0}
  .nav.open{display:flex}
  .nav a{width:100%}
}

/* KPIs */
.page-title{font-size:2rem;margin:.5rem 0 .25rem;font-weight:800}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin:1.5rem 0}
.kpi{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;display:flex;flex-direction:column;gap:.4rem}
.kpi-label{font-size:.8rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted)}
.kpi-val{font-size:2rem;font-weight:800}
.kpi.ok{border-color:var(--ok)} .kpi.ok .kpi-val{color:var(--ok)}
.kpi.bad{border-color:var(--bad)} .kpi.bad .kpi-val{color:var(--bad)}
.kpi.accent{border-color:var(--primary)} .kpi.accent .kpi-val{color:var(--primary)}

/* Card */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;margin-bottom:1.25rem}
.card h2{margin:0 0 1rem;font-size:1.15rem}

/* Tables */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:.75rem .6rem;border-bottom:1px solid var(--border)}
th{font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}
tbody tr:hover{background:var(--panel2)}
tr.row-bad{background:rgba(239,68,68,.06)}
.row-actions{display:flex;gap:.3rem;justify-content:flex-end;flex-wrap:wrap}

/* Badges */
.badge{padding:.2rem .55rem;border-radius:999px;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
.badge.al-dia{background:rgba(34,197,94,.15);color:var(--ok)}
.badge.por-vencer{background:rgba(245,158,11,.15);color:var(--warn)}
.badge.vencido{background:rgba(239,68,68,.15);color:var(--bad)}

/* Forms */
form.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem}
label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted);font-weight:500}
input,select{background:var(--panel2);border:1px solid var(--border);color:var(--text);padding:.6rem .75rem;border-radius:8px;font:inherit;width:100%}
input:focus,select:focus{outline:none;border-color:var(--primary)}
.actions{grid-column:1/-1;display:flex;justify-content:flex-end;gap:.5rem}

/* Buttons */
.btn{display:inline-block;padding:.55rem 1rem;background:var(--panel2);border:1px solid var(--border);color:var(--text);border-radius:8px;cursor:pointer;font-weight:600;font-size:.9rem;text-align:center}
.btn:hover{background:var(--border)}
.btn.primary{background:var(--primary);color:var(--primary-fg);border-color:var(--primary)}
.btn.primary:hover{filter:brightness(.9)}
.btn.ok{background:rgba(34,197,94,.15);color:var(--ok);border-color:var(--ok)}
.btn.bad{background:rgba(239,68,68,.1);color:var(--bad);border-color:var(--bad)}
.btn.sm{padding:.35rem .65rem;font-size:.78rem}

/* Search */
.search{display:flex;gap:.5rem;margin:1rem 0}
.search input{flex:1}

.row-between{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:1rem}

/* Alerts */
.alert{background:rgba(239,68,68,.15);color:var(--bad);padding:.75rem 1rem;border-radius:8px;margin-bottom:1rem;border:1px solid var(--bad)}
.alert.ok{background:rgba(34,197,94,.1);color:var(--ok);border-color:var(--ok);display:flex;justify-content:space-between;align-items:center;gap:1rem}

/* Login */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 0%,#1a1a1a,#0a0a0a)}
.login-card{background:var(--panel);border:1px solid var(--border);padding:2rem;border-radius:var(--radius);width:100%;max-width:380px;display:flex;flex-direction:column;gap:1rem}
.login-brand{justify-content:center;font-size:1.5rem}
.login-card h1{margin:0;text-align:center;font-size:1.1rem;color:var(--muted);font-weight:500}
.hint{font-size:.75rem;color:var(--muted);text-align:center;margin:0}
.hint code{background:var(--panel2);padding:.1rem .35rem;border-radius:4px}

.foot{text-align:center;color:var(--muted);font-size:.8rem;padding:2rem 1rem}

/* === Página pública (autopago por QR) === */
.public-body { background:#0b0d10; color:#e7e9ee; min-height:100vh; margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }
.public-wrap { max-width: 460px; margin: 0 auto; padding: 24px 16px; }
.public-card { background:#14171c; border:1px solid #232830; border-radius:18px;
  padding:22px; box-shadow: 0 12px 40px rgba(0,0,0,.4); }
.public-card .brand.center { display:flex; justify-content:center; gap:8px; font-weight:700; font-size:1.25rem; margin-bottom:6px; }
.public-card .center { text-align:center; }
.info-grid { display:grid; grid-template-columns:1fr 1fr; gap:10px; margin:16px 0; }
.info-grid > div { background:#1a1f26; border-radius:12px; padding:10px 12px; display:flex; flex-direction:column; gap:2px; }
.pay-box { background:#1a1f26; border:1px dashed #2c333d; border-radius:12px; padding:12px 14px; margin:14px 0; }
.pay-box h2 { margin:0 0 8px; font-size:1rem; color:#bef046; }
.btn.block { width:100%; }
.small { font-size:.85rem; }
.qr-card img { display:inline-block; }

/* === Selector de planes en página pública === */
.planes-grid { display:grid; gap:10px; margin:10px 0 16px; }
.plan-card { display:flex; gap:10px; align-items:center; background:#1a1f26; border:1px solid #2c333d;
  border-radius:12px; padding:12px 14px; cursor:pointer; transition:all .15s; }
.plan-card:hover { border-color:#bef046; }
.plan-card input[type=radio] { accent-color:#bef046; transform:scale(1.2); }
.plan-card:has(input:checked) { border-color:#bef046; background:#1d2530; box-shadow:0 0 0 2px rgba(190,240,70,.15); }
.plan-nombre { font-weight:700; font-size:1.05rem; }
.plan-precio { font-weight:800; color:#bef046; margin-top:4px; }
.mp-btn { background:#00b1ea !important; color:#fff !important; border-color:#00b1ea !important; font-weight:700; }
.mp-btn:hover { filter:brightness(1.08); }
.alert.warn { background:rgba(255,193,7,.1); border:1px solid #ffc107; color:#ffd66b; padding:10px 12px; border-radius:10px; margin:10px 0; }
.grid.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
@media (max-width:560px) { .grid.grid-2 { grid-template-columns:1fr; } }
.badge.al-dia { background:#1f3b1f; color:#9be36b; }
.badge.por-vencer { background:#3b2f1f; color:#ffc66b; }
.badge.vencido { background:#3b1f1f; color:#ff8888; }

/* Vista de resultado de pago MP */
.result-hero { text-align:center; padding:28px 16px; border-radius:14px; margin:14px 0; border:1px solid rgba(255,255,255,.06); }
.result-hero.ok   { background:linear-gradient(180deg, rgba(60,200,90,.18), rgba(60,200,90,.04)); }
.result-hero.warn { background:linear-gradient(180deg, rgba(255,180,60,.18), rgba(255,180,60,.04)); }
.result-hero.bad  { background:linear-gradient(180deg, rgba(220,70,70,.18), rgba(220,70,70,.04)); }
.result-icon { font-size:54px; line-height:1; margin-bottom:8px; }
.result-title { font-size:24px; margin:6px 0 4px; }
.result-sub { color:#c9c9c9; margin:0; }
.result-detail { display:grid; gap:8px; margin:14px 0 6px; }
.result-detail .row { display:flex; justify-content:space-between; gap:12px; padding:10px 12px; background:rgba(255,255,255,.03); border-radius:10px; }
.result-detail .row.highlight { background:rgba(60,200,90,.12); }
.actions.stack { display:grid; gap:8px; margin-top:10px; }
.small { font-size:12px; }
.btn.block { width:100%; display:block; text-align:center; }