.container {
  max-width: 800px;
  margin: 40px auto;
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,0.1);
  width: 95%;
}

#formRelatorioPeriodo {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

#selectAlunoPeriodo, #selectTipoPeriodo {
  padding: 12px;
  border: 2px solid #005A9C;
  border-radius: 8px;
  font-size: 1em;
  background-color: #f9f9f9;
  transition: border-color 0.3s ease;
  width: 100%;
  box-sizing: border-box;
  min-height: 44px;
}

#selectAlunoPeriodo:focus, #selectTipoPeriodo:focus {
  border-color: #F7941D;
  outline: none;
}

#textoRelatorioPeriodo {
  padding: 14px;
  border: 2px solid #005A9C;
  border-radius: 8px;
  font-size: 1em;
  resize: vertical;
  min-height: 200px;
  background-color: #f9f9f9;
  transition: border-color 0.3s ease;
  width: 100%;
  box-sizing: border-box;
}

#textoRelatorioPeriodo:focus {
  border-color: #8DC63F;
  outline: none;
}

#formRelatorioPeriodo .botao {
  align-self: flex-end;
  padding: 12px 24px;
  background-color: #8DC63F;
  color: #fff;
  font-weight: bold;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
  min-height: 44px;
  min-width: 100px;
}

#formRelatorioPeriodo .botao:hover {
  background-color: #6FA82E;
  transform: translateY(-2px);
}

#relatorioSalvo {
  margin-top: 20px;
  background: #F2F9FC;
  border-left: 4px solid #F7941D;
  padding: 15px;
  border-radius: 6px;
  font-size: 1em;
  line-height: 1.5;
  word-wrap: break-word;
}

.topbar{ 
  display:flex; 
  justify-content:space-between; 
  align-items:center; 
  padding:12px 20px; 
  background:var(--card-bg); 
  border-bottom:1px solid rgba(0,0,0,0.04);
  flex-wrap: wrap;
  gap: 12px;
}

.topbar-title h1{ 
  margin:0; 
  font-size:1.1rem; 
  color:var(--text-primary);
}

.topbar-title .subtitle {
  margin: 4px 0 0 0;
  font-size: 0.85rem;
  color: #6c757d;
}

.topbar-actions{ 
  display:flex; 
  gap:12px; 
  align-items:center;
  flex-wrap: wrap;
}

/* Mobile: até 480px */
@media (max-width: 480px) {
  .container {
    margin: 20px auto;
    padding: 20px;
    width: 100%;
  }

  #formRelatorioPeriodo {
    gap: 15px;
  }

  #formRelatorioPeriodo .botao {
    width: 100%;
    align-self: stretch;
  }

  #relatorioSalvo {
    padding: 12px;
    font-size: 0.95rem;
  }
}

/* Tablet: 481px até 768px */
@media (min-width: 481px) and (max-width: 768px) {
  .container {
    margin: 30px auto;
    padding: 25px;
    width: 97%;
  }

  #relatorioSalvo {
    padding: 15px;
  }
}

/* Desktop: 769px e acima */
@media (min-width: 769px) {
  .container {
    max-width: 900px;
  }
}