:root {
  --marca: #2563eb;
  --tinta: #0f172a;
  --tinta-suave: #475569;
  --tenue: #94a3b8;
  --fondo: #ffffff;
  --panel: #f8fafc;
  --borde: #e2e8f0;
  --rojo: #dc2626;
  --rojo-suave: #fef2f2;
  --ambar: #d97706;
  --ambar-suave: #fffbeb;
  --verde: #059669;
  --verde-suave: #f0fdf4;
  --radio: 12px;
  --sombra: 0 1px 3px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --tinta: #f1f5f9;
    --tinta-suave: #cbd5e1;
    --tenue: #94a3b8;
    --fondo: #0b1120;
    --panel: #131c31;
    --borde: #26324a;
    --rojo-suave: #2a1416;
    --ambar-suave: #2a2010;
    --verde-suave: #0d2119;
    --sombra: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--tinta);
  background: var(--fondo);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 880px; margin: 0 auto; padding: 0 20px; }
.mini { font-size: .85rem; color: var(--tenue); }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; }

/* ---------- Cabecera ---------- */
.top { border-bottom: 1px solid var(--borde); position: sticky; top: 0; background: var(--fondo); z-index: 10; }
.top-inner { display: flex; align-items: center; justify-content: space-between; height: 62px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; color: var(--tinta); font-weight: 700; }
.brand-mark { font-size: 1.3rem; }
.brand-name { letter-spacing: -.02em; }
.top-nav { display: flex; align-items: center; gap: 16px; }
.top-nav a { color: var(--tinta-suave); text-decoration: none; font-size: .92rem; }
.top-nav a:hover { color: var(--marca); }

/* ---------- Botones ---------- */
button, .cta {
  font: inherit;
  border: 0;
  border-radius: 10px;
  padding: 11px 20px;
  background: var(--marca);
  color: #fff;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  text-align: center;
  transition: filter .15s, transform .05s;
}
button:hover, .cta:hover { filter: brightness(1.08); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .55; cursor: not-allowed; }
.ghost, a.ghost {
  background: transparent;
  color: var(--tinta-suave);
  border: 1px solid var(--borde);
}
.ghost:hover { border-color: var(--marca); color: var(--marca); filter: none; }

/* ---------- Hero ---------- */
.hero { padding: 64px 0 40px; text-align: center; }
.hero h1 { font-size: clamp(1.7rem, 4.6vw, 2.75rem); letter-spacing: -.03em; }
.hero h1 em { color: var(--marca); font-style: normal; }
.sub { font-size: 1.08rem; color: var(--tinta-suave); max-width: 620px; margin: 0 auto 32px; }

.buscador { display: flex; gap: 10px; max-width: 540px; margin: 0 auto 10px; }
.buscador input {
  flex: 1;
  font: inherit;
  padding: 13px 16px;
  border: 1px solid var(--borde);
  border-radius: 10px;
  background: var(--panel);
  color: var(--tinta);
  min-width: 0;
}
.buscador input:focus { outline: 2px solid var(--marca); outline-offset: 1px; border-color: transparent; }

.error {
  max-width: 540px;
  margin: 18px auto 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--rojo-suave);
  border: 1px solid var(--rojo);
  color: var(--rojo);
  font-size: .92rem;
}

/* ---------- Cargando ---------- */
.cargando { text-align: center; padding: 48px 20px; }
.spinner {
  width: 38px; height: 38px; margin: 0 auto 18px;
  border: 3px solid var(--borde);
  border-top-color: var(--marca);
  border-radius: 50%;
  animation: giro .8s linear infinite;
}
@keyframes giro { to { transform: rotate(360deg); } }

/* ---------- Informe ---------- */
.informe { padding: 32px 20px 64px; }
.informe-cabecera {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding-bottom: 18px; margin-bottom: 26px; border-bottom: 2px solid var(--marca);
  flex-wrap: wrap;
}
.ic-marca { display: flex; align-items: center; gap: 12px; }
.ic-marca img { max-height: 44px; max-width: 170px; }
.ic-acciones { display: flex; gap: 8px; }

.resumen { display: flex; gap: 28px; align-items: center; flex-wrap: wrap; margin-bottom: 30px; }
.nota-circulo {
  width: 118px; height: 118px; border-radius: 50%;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  border: 7px solid var(--verde);
  flex-shrink: 0;
}
.nota-circulo span { font-size: 2.4rem; font-weight: 800; line-height: 1; letter-spacing: -.04em; }
.nota-circulo small { font-size: .7rem; color: var(--tenue); text-transform: uppercase; letter-spacing: .1em; }
.resumen-texto { flex: 1; min-width: 260px; }
.resumen-texto h2 { font-size: 1.3rem; word-break: break-all; margin-bottom: .3em; }
.veredicto { color: var(--tinta-suave); margin: 0 0 14px; }
.contadores { list-style: none; padding: 0; margin: 0; display: flex; gap: 18px; flex-wrap: wrap; font-size: .9rem; color: var(--tinta-suave); }
.pill {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 26px; height: 24px; padding: 0 7px; border-radius: 7px;
  font-weight: 700; font-size: .85rem; margin-right: 5px; color: #fff;
}
.pill.critico { background: var(--rojo); }
.pill.aviso { background: var(--ambar); }
.pill.ok { background: var(--verde); }

/* Core Web Vitals */
.vitals { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 12px; margin-bottom: 32px; }
.vital { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 14px; text-align: center; }
.vital b { display: block; font-size: 1.45rem; letter-spacing: -.02em; }
.vital span { font-size: .78rem; color: var(--tenue); }

/* Hallazgos */
.bloque { margin-bottom: 34px; }
.bloque > h3 { font-size: 1.05rem; text-transform: uppercase; letter-spacing: .06em; color: var(--tinta-suave); margin-bottom: 14px; }
.hallazgo {
  border: 1px solid var(--borde);
  border-left: 4px solid var(--tenue);
  border-radius: var(--radio);
  padding: 16px 18px;
  margin-bottom: 12px;
  background: var(--panel);
  break-inside: avoid;
}
.hallazgo.critico { border-left-color: var(--rojo); background: var(--rojo-suave); }
.hallazgo.aviso { border-left-color: var(--ambar); background: var(--ambar-suave); }
.hallazgo.ok { border-left-color: var(--verde); background: var(--verde-suave); }
.hallazgo h4 { margin: 0 0 6px; font-size: 1rem; display: flex; gap: 8px; align-items: baseline; }
.area { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--tenue); font-weight: 700; flex-shrink: 0; }
.hallazgo p { margin: 0 0 8px; font-size: .93rem; color: var(--tinta-suave); }
.hallazgo .arreglo { font-size: .9rem; color: var(--tinta); }
.hallazgo .arreglo b { color: var(--marca); }
.evidencia {
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: .8rem; background: var(--fondo); border: 1px solid var(--borde);
  border-radius: 7px; padding: 7px 10px; margin-top: 8px;
  word-break: break-word; color: var(--tinta-suave);
}

.cierre {
  margin-top: 40px; padding: 22px 24px;
  border-radius: var(--radio); background: var(--panel); border: 1px solid var(--borde);
  break-inside: avoid;
}
.cierre h3 { margin-bottom: .4em; }
.cierre p { margin: 0 0 6px; color: var(--tinta-suave); }

/* ---------- Precios ---------- */
.precios { padding: 56px 20px; border-top: 1px solid var(--borde); }
.precios h2 { text-align: center; margin-bottom: 30px; }
.planes { display: grid; grid-template-columns: repeat(auto-fit, minmax(228px, 1fr)); gap: 18px; }
.plan {
  border: 1px solid var(--borde); border-radius: var(--radio); padding: 24px;
  background: var(--panel); display: flex; flex-direction: column; position: relative;
}
.plan.destacado { border: 2px solid var(--marca); }
.etiqueta {
  position: absolute; top: -11px; left: 24px; background: var(--marca); color: #fff;
  font-size: .7rem; font-weight: 700; padding: 3px 10px; border-radius: 20px;
  text-transform: uppercase; letter-spacing: .06em;
}
.precio { font-size: 2rem; font-weight: 800; margin: 0 0 14px; letter-spacing: -.03em; }
.precio small { font-size: .95rem; font-weight: 500; color: var(--tenue); }
.plan ul { list-style: none; padding: 0; margin: 0 0 22px; flex: 1; font-size: .92rem; color: var(--tinta-suave); }
.plan li { padding-left: 22px; position: relative; margin-bottom: 7px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--verde); font-weight: 700; }

footer { border-top: 1px solid var(--borde); padding: 26px 0; text-align: center; }

/* ---------- Panel de marca ---------- */
dialog {
  border: 1px solid var(--borde); border-radius: 16px; padding: 0;
  background: var(--fondo); color: var(--tinta); max-width: 460px; width: calc(100% - 32px);
  box-shadow: var(--sombra);
}
dialog::backdrop { background: rgba(15, 23, 42, .55); }
.dlg-inner { padding: 26px; }
.dlg-inner label { display: block; margin-bottom: 14px; font-size: .88rem; font-weight: 600; color: var(--tinta-suave); }
.dlg-inner input, .dlg-inner textarea {
  display: block; width: 100%; margin-top: 6px; font: inherit; font-weight: 400;
  padding: 10px 12px; border: 1px solid var(--borde); border-radius: 9px;
  background: var(--panel); color: var(--tinta); resize: vertical;
}
.dlg-inner input[type=color] { height: 42px; padding: 4px; cursor: pointer; }
.dlg-acciones { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* ---------- Impresión / PDF ---------- */
@media print {
  .no-print, header.top, footer, .precios { display: none !important; }
  body { background: #fff; color: #0f172a; }
  .informe { padding: 0; max-width: none; }
  .hallazgo { border: 1px solid #cbd5e1; background: #fff !important; }
  .hallazgo.critico { border-left: 4px solid #dc2626; }
  .hallazgo.aviso { border-left: 4px solid #d97706; }
  .hallazgo.ok { border-left: 4px solid #059669; }
  .cierre { background: #f8fafc !important; }
  @page { margin: 16mm; }
}

@media (max-width: 560px) {
  .buscador { flex-direction: column; }
  .hero { padding: 40px 0 28px; }
}