/* AREA RESERVADA PARA LOUSA / Estrutura */

.estrutura-lousa {
  background: #004300;
  border-radius: 24px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  padding: 3rem 2rem 2rem 2rem;
  position: relative;
  margin-top: 2rem;
  margin-bottom: 2rem;
  border: 4px solid #3a2f1b;
  overflow: hidden;
}

.chalk-title {    
  font-family: 'Permanent Marker', 'Comic Sans MS', cursive, sans-serif;
  color: #fff;
  letter-spacing: 2px;
  font-size: 1.7rem;
}

.estrutura-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 6px 18px -6px #0006, 0 2px 0 #e0e0e0;
  padding: 1rem 1.5rem;
  margin-bottom: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
  border-left: 8px solid #ffb347;
}

.estrutura-card:hover {
  transform: translateY(-6px) scale(1.03) rotate(-1deg);
  box-shadow: 0 16px 32px -8px #0008, 0 4px 0 #e0e0e0;
}

/* Peças de LEGO decorativas */
.lego-brick {
  width: 60px;
  height: 32px;
  background: linear-gradient(145deg, #f44336 60%, #e57373 100%);
  border-radius: 8px 8px 12px 12px;
  position: absolute;
  z-index: 2;
  box-shadow: 0 4px 12px #0005;
}
.lego-brick::before, .lego-brick::after {
  content: '';
  display: block;
  position: absolute;
  top: -14px;
  width: 18px;
  height: 18px;
  background: #f44336;
  border-radius: 50%;
  box-shadow: 0 2px 4px #0003;
}

.lego-brick::before { left: 8px; }
.lego-brick::after { right: 8px; }

.lego-top-left { top: -18px; left: -18px; }
.lego-bottom-right { bottom: -18px; right: -18px; background: linear-gradient(145deg, #2196f3 60%, #64b5f6 100%); }
.lego-bottom-right::before, .lego-bottom-right::after { background: #2196f3; }

/* Responsivo */
@media (max-width: 767px) {
  .estrutura-lousa { padding: 1.5rem 0.5rem; }
  .lego-brick { width: 40px; height: 22px; }
}