/* CTF Labs page */

/* Reducir el espaciado entre secciones en esta página */
.ctf-page .section {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.ctf-page .sha-section-head {
  margin-bottom: 1.2rem;
}

.ctf-hero-card.sha-hero {
  grid-template-columns: 1fr;
}

/* Badge especial para "Gratis" */
.badge-free {
  background: rgba(0,255,156,0.10);
  border: 1px solid rgba(0,255,156,0.28);
  color: var(--accent, #00ff9c);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 4px 11px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-free::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent, #00ff9c);
  box-shadow: 0 0 6px var(--accent, #00ff9c);
}

/* Grid de dificultades */
.ctf-levels {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 8px;
}

@media (max-width: 860px) {
  .ctf-levels { grid-template-columns: 1fr; }
}

.ctf-level-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px 22px;
  transition: border-color 200ms ease, background 200ms ease;
}

.ctf-level-card:hover {
  border-color: rgba(0,255,156,0.20);
  background: rgba(0,255,156,0.03);
}

.ctf-level-icon {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.ctf-level-name {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.ctf-level-name.easy   { color: var(--accent, #00ff9c); }
.ctf-level-name.medium { color: #f59e0b; }
.ctf-level-name.hard   { color: #f87171; }

.ctf-level-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: rgba(229,233,240,0.95);
}

.ctf-level-card p {
  font-size: 0.88rem;
  color: rgba(229,233,240,0.55);
  line-height: 1.6;
  margin: 0;
}

/* Bloque leaderboard */
.ctf-leaderboard-mock {
  background: rgba(5,6,8,0.80);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  overflow: hidden;
  max-width: 560px;
  margin: 24px auto 0;
}

.ctf-lb-header {
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  font-size: 0.78rem;
  font-weight: 600;
  color: rgba(229,233,240,0.40);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
}

.ctf-lb-row {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 11px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.88rem;
}

.ctf-lb-row:last-child { border-bottom: none; }

.ctf-lb-pos {
  font-size: 1rem;
  text-align: center;
}

.ctf-lb-nick {
  font-family: monospace;
  color: rgba(229,233,240,0.80);
  font-size: 0.85rem;
}

.ctf-lb-pts {
  font-weight: 700;
  color: var(--accent, #00ff9c);
  font-size: 0.85rem;
  white-space: nowrap;
}

/* Steps — 4 columnas */
.sha-steps.ctf-steps {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1100px) {
  .sha-steps.ctf-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .sha-steps.ctf-steps { grid-template-columns: 1fr; }
}

/* CTA final */
.ctf-cta-free {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: rgba(229,233,240,0.45);
  margin-top: 10px;
}

.ctf-cta-free::before {
  content: '✓';
  color: var(--accent, #00ff9c);
  font-weight: 700;
}