:root {
  --fondo: #0f1216;
  --fondo-2: #12161c;
  --texto: #e8eef2;
  --gris: #92a0ad;
  --acento: #0fdc8b;
  --error: #ff6b6b;
  --ok: #59d98b;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, 'Helvetica Neue', sans-serif;
}

a {
  color: var(--acento);
}

a:hover {
  opacity: .9;
}

.contenedor {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1rem;
}

.sr-only {
  position: absolute;
  left: -9999px;
}

.header-principal {
  background: #0b0e12;
  border-bottom: 1px solid #151a21;
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-contenido {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  position: relative;
  padding: .5rem 0;
}

.logo {
  height: 48px;
}

.nav-principal ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  align-items: center;
  margin: 0;
  padding: 0;
}

.nav-principal a {
  text-decoration: none;
  color: var(--texto);
  opacity: .9;
}

.nav-cta a {
  color: #000;
  background: var(--acento);
  padding: .4rem .8rem;
  border-radius: .5rem;
  font-weight: 700;
}

.btn-hamburguer {
  position: absolute;
  right: 1rem;
  top: .5rem;
  background: #0e1319;
  border: 1px solid #1b2230;
  color: var(--texto);
  font-size: 1.5rem;
  border-radius: .5rem;
  padding: .25rem .5rem;
  display: none;
}

.menu-movil {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  gap: .8rem;
  background: #0c1016;
  border-bottom: 1px solid #1a212c;
}

.hero {
  background: linear-gradient(180deg, #0e1318, transparent), radial-gradient(50% 50% at 50% 0%, #12202a 0%, transparent 70%);
  padding: 3rem 1rem;
  text-align: center;
}

.hero h1 {
  font-size: 2rem;
  margin: .3rem 0 1rem;
}

.resaltado {
  color: var(--acento);
}

.auth-form {
  background: #0e1319;
  border: 1px solid #1a212c;
  border-radius: 12px;
  max-width: 440px;
  margin: 1rem auto;
  padding: 1rem;
}

.auth-tabs {
  display: flex;
  gap: .5rem;
  margin-bottom: .75rem;
}

.tab {
  flex: 1;
  background: #0f151d;
  border: 1px solid #1a212c;
  color: var(--texto);
  padding: .6rem;
  border-radius: .6rem;
  cursor: pointer;
}

.tab.activo {
  background: #12212a;
  border-color: #1e2a36;
  outline: 2px solid var(--acento);
}

.form-auth {
  display: flex;
  flex-direction: column;
  gap: .6rem;
}

.form-auth.oculto {
  display: none;
}

.form-auth input,
.form-auth select,
.form-auth textarea {
  background: #0f151d;
  border: 1px solid #1b2431;
  padding: .8rem;
  border-radius: .6rem;
  color: var(--texto);
}

.btn {
  border: none;
  border-radius: .6rem;
  padding: .75rem 1rem;
  cursor: pointer;
}

.btn-primario {
  background: var(--acento);
  color: #001b11;
  font-weight: 800;
}

.btn-secundario {
  background: #141a22;
  border: 1px solid #1b2431;
  color: var(--texto);
}

.btn-link {
  background: transparent;
  color: var(--gris);
  text-decoration: underline;
}

.msg {
  min-height: 1.2rem;
  color: var(--gris);
}

.msg.error {
  color: var(--error);
}

.msg.ok {
  color: var(--ok);
}

.grid-articulos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.tarjeta-articulo {
  background: var(--fondo-2);
  border: 1px solid #1a212c;
  border-radius: 12px;
  overflow: hidden;
}

.contenido-tarjeta {
  padding: 1rem;
}

.categoria {
  font-size: .8rem;
  color: var(--acento);
}

.centrado {
  text-align: center;
}

.footer {
  margin-top: 3rem;
  background: #0b0e12;
  border-top: 1px solid #151a21;
}

.footer-contenido {
  padding: 1rem;
  text-align: center;
  color: var(--gris);
}

.link-sutil {
  color: var(--gris);
}

.panel {
  background: var(--fondo-2);
  border: 1px solid #1a212c;
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}

.tabla {
  display: grid;
  gap: .5rem;
}

.grid-admin {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card-admin {
  display: block;
  background: var(--fondo-2);
  border: 1px solid #1a212c;
  border-radius: 12px;
  padding: 1.2rem;
  text-decoration: none;
  color: var(--texto);
}

.stats {
  display: flex;
  gap: 1.5rem;
  list-style: none;
  padding-left: 0;
}

.post-content h1,
.post-content h2,
.post-content h3 {
  margin-top: 1.2rem;
}

.post-content p {
  line-height: 1.65;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.post-content pre,
.post-content code {
  background: #0e1319;
  border: 1px solid #1a212c;
  border-radius: 8px;
  padding: .25rem .35rem;
}

.lista-comentarios {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.comentario {
  background: #0f151d;
  border: 1px solid #1b2431;
  border-radius: .6rem;
  padding: .75rem;
}

/* Cookie banner */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: #0b0e12;
  border-top: 1px solid #151a21;
  z-index: 9999;
}

.cookie-banner .cookie-wrap {
  display: flex;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
  padding: .8rem 1rem;
}

.cookie-banner p {
  margin: 0;
  color: var(--gris);
}

.cookie-actions {
  display: flex;
  gap: .5rem;
}

@media (width <= 880px) {
  .nav-principal {
    display: none;
  }

  .btn-hamburguer {
    display: block;
  }

  .grid-articulos {
    grid-template-columns: 1fr 1fr;
  }
}

@media (width <= 540px) {
  .grid-articulos {
    grid-template-columns: 1fr;
  }
}