:root {
  --bg: #0f1419;
  --panel: #1a2029;
  --panel-2: #222a35;
  --texto: #e6edf3;
  --mute: #9aa7b4;
  --borde: #2d3744;
  --verde: #2ea043;
  --rojo: #e5484d;
  --amarillo: #e3b341;
  --azul: #4493f8;
  --radio: 10px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--texto);
  line-height: 1.5;
}

.aviso {
  background: repeating-linear-gradient(45deg, #3a2a00, #3a2a00 10px, #332500 10px, #332500 20px);
  color: #ffd98a;
  text-align: center;
  padding: 6px 12px;
  font-size: 13px;
  border-bottom: 1px solid #4a3700;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 10px 20px;
  background: var(--panel);
  border-bottom: 1px solid var(--borde);
  flex-wrap: wrap;
}
.marca { font-weight: 700; font-size: 18px; color: var(--texto); text-decoration: none; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.topbar nav a { color: var(--mute); text-decoration: none; font-size: 14px; }
.topbar nav a:hover, .topbar nav a.activo { color: var(--texto); }
.yo { color: var(--azul); font-size: 14px; }

.badge-modo { font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; letter-spacing: .5px; }
.badge-vuln { background: #3a1416; color: #ff8d90; border: 1px solid #5a1e22; }
.badge-seguro { background: #0f2e1a; color: #6ee787; border: 1px solid #1a4d2e; }

.contenido { max-width: 980px; margin: 0 auto; padding: 24px 20px 60px; }

.hero { text-align: center; padding: 20px 0 10px; }
.hero h1 { font-size: 34px; margin: 0 0 8px; }
.sub { color: var(--mute); margin-top: 0; }

.card {
  background: var(--panel);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 20px;
  margin: 16px 0;
}
.card h1 { margin-top: 0; }
.card.center { text-align: center; }
.card.estrecho { max-width: 460px; margin-left: auto; margin-right: auto; }
.card-destacada { border-color: var(--azul); }
.alerta-card { border-color: var(--amarillo); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
@media (max-width: 760px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.modulo { text-decoration: none; color: var(--texto); transition: border-color .15s; display: block; }
.modulo:hover { border-color: var(--azul); }
.modulo h3 { margin: 8px 0 4px; }
.modulo p { color: var(--mute); font-size: 13px; margin: 0; }
.tag { font-size: 11px; background: var(--panel-2); border: 1px solid var(--borde); padding: 2px 8px; border-radius: 999px; color: var(--mute); }

.pasos { padding-left: 18px; }
.pasos li { margin-bottom: 6px; }
.pasos.grande li { margin-bottom: 10px; font-size: 15px; }

.paso { display: flex; gap: 16px; align-items: flex-start; }
.paso-num {
  flex: 0 0 auto;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--azul);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  display: flex; align-items: center; justify-content: center;
}
.paso h2 { margin-top: 0; }

.estado-espera {
  background: #2a2410;
  border: 1px dashed #5a4a1a;
  color: #e3b341;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
}

.btn {
  display: inline-block;
  background: var(--azul);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.1); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-peligro { background: var(--rojo); }
.btn-ok { background: var(--verde); }
.fila-btns { display: flex; gap: 10px; flex-wrap: wrap; }
.link { background: none; border: none; color: var(--mute); cursor: pointer; font-size: 14px; padding: 0; }
.link:hover { color: var(--texto); }
.inline { display: inline; margin: 0; }

.form { display: flex; flex-direction: column; gap: 12px; max-width: 420px; }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--mute); }
.form input, .form textarea, .form-inline input {
  background: var(--panel-2);
  border: 1px solid var(--borde);
  color: var(--texto);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 15px;
  font-family: inherit;
}
.form-inline { display: flex; gap: 10px; margin: 14px 0; }
.form-inline input { flex: 1; }

textarea.mono, .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
textarea { width: 100%; background: var(--panel-2); border: 1px solid var(--borde); color: var(--texto); border-radius: 8px; padding: 10px; font-size: 13px; }

.alerta { padding: 10px 14px; border-radius: 8px; margin: 12px 0; font-size: 14px; }
.alerta.error { background: #3a1416; color: #ff9b9e; border: 1px solid #5a1e22; }
.alerta.ok { background: #0f2e1a; color: #86efac; border: 1px solid #1a4d2e; }
.alerta.mono { white-space: pre-wrap; font-family: ui-monospace, monospace; font-size: 12px; }

.caja-info { background: var(--panel-2); border-left: 3px solid var(--azul); padding: 12px 14px; border-radius: 6px; margin-top: 14px; }
.nota-vuln { color: #ff9b9e; margin: 0; }
.nota-seguro { color: #86efac; margin: 0; }
.aviso-mini { font-size: 13px; color: var(--amarillo); }

.payload, .consola, .code, pre { background: #0b0f14; border: 1px solid var(--borde); border-radius: 8px; padding: 12px; overflow-x: auto; font-family: ui-monospace, monospace; font-size: 13px; white-space: pre-wrap; word-break: break-word; }
.payload { color: #ffd98a; }
.consola { color: #86efac; }
.code { color: #c9d1d9; }

.tabla { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
.tabla th, .tabla td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--borde); }
.tabla th { color: var(--mute); font-weight: 600; }
.trunc { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.mini { color: var(--mute); font-size: 13px; }
.qr-box, .qr { display: inline-block; background: #fff; padding: 10px; border-radius: 8px; }
.qr img, .qr { max-width: 260px; }
.qr-box img { display: block; max-width: 240px; }

.vivo { color: var(--verde); font-size: 12px; border: 1px solid var(--verde); border-radius: 999px; padding: 1px 8px; vertical-align: middle; }
.nuevo { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: #143a22; } to { background: transparent; } }

.comentarios, .mails, .lista { padding-left: 18px; }
.comentarios li, .mails li { margin-bottom: 10px; }
.mails { list-style: none; padding: 0; }
.mails li { background: var(--panel-2); border: 1px solid var(--borde); border-radius: 8px; padding: 10px 12px; }
.mail-head { margin-bottom: 6px; }
.mail-body { color: var(--texto); font-size: 13px; }

.saludo-box { font-size: 22px; padding: 16px; background: var(--panel-2); border-radius: 8px; margin: 12px 0; }
.pedido { background: var(--panel-2); border: 1px solid var(--borde); border-radius: 8px; padding: 12px; margin: 10px 0; }
.pedido-id { font-weight: 700; color: var(--azul); margin-bottom: 4px; }

.iframe-demo iframe { width: 100%; height: 220px; border: 2px dashed var(--borde); border-radius: 8px; background: #fff; }

.pie { max-width: 980px; margin: 0 auto; padding: 20px; color: var(--mute); font-size: 12px; display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; border-top: 1px solid var(--borde); }

code { background: var(--panel-2); padding: 1px 5px; border-radius: 4px; font-family: ui-monospace, monospace; font-size: 13px; }
hr { border: none; border-top: 1px solid var(--borde); margin: 20px 0; }
a { color: var(--azul); }

/* Presentacion / slides */
.deck { max-width: 980px; margin: 0 auto; padding: 16px 20px 0; }
.slide { display: none; flex-direction: column; min-height: 62vh; background: var(--panel); border: 1px solid var(--borde); border-radius: 14px; padding: 28px 30px; }
.slide-centro { margin: auto; text-align: center; max-width: 760px; }
.slide h2 { margin: 6px 0 18px; font-size: 26px; }
.titulo-grande { font-size: 40px; margin: 0 0 10px; line-height: 1.15; }
.sub-grande { font-size: 20px; color: var(--azul); margin: 0 0 14px; }
.owasp { display: inline-block; align-self: flex-start; font-size: 12px; font-weight: 700; letter-spacing: .4px; text-transform: uppercase; color: var(--amarillo); border: 1px solid var(--amarillo); border-radius: 999px; padding: 3px 12px; margin-bottom: 8px; }
.cmp { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin: 6px 0 14px; }
.cmp .col { border-radius: 10px; padding: 14px; border: 1px solid var(--borde); background: var(--panel-2); }
.col-vuln { border-color: #5a2327; }
.col-seguro { border-color: #1f5130; }
.col h3 { margin: 0 0 8px; font-size: 15px; }
.col-vuln h3 { color: var(--rojo); }
.col-seguro h3 { color: var(--verde); }
.col .file { font-family: ui-monospace, monospace; font-size: 11px; color: var(--mute); margin-bottom: 6px; }
.col .code { font-size: 12.5px; margin: 0 0 8px; }
.riesgo { margin-top: auto; background: #2a1418; border: 1px solid #5a2327; color: #ffb4b8; border-radius: 10px; padding: 12px 14px; font-size: 14px; }
.grande-lista li { margin-bottom: 10px; font-size: 17px; }
.deck-nav { max-width: 980px; margin: 14px auto 30px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.contador { color: var(--mute); font-size: 14px; }
@media (max-width: 720px) { .cmp { grid-template-columns: 1fr; } .titulo-grande { font-size: 30px; } }