/* Estilos personalizados para o EuFuturo */

/* Cores personalizadas */
:root {
  --primary-blue: #2563eb;
  --primary-orange: #f97316;
  --light-blue: #eff6ff;
  --light-pink: #fce7f3;
}

/* Estilos gerais */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  color: #333;
  line-height: 1.6;
}

/* Animações */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

/* Estilos para o formulário de carta */
textarea:focus, input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.letter-form {
  transition: all 0.3s ease;
}

.letter-form:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

/* Estilos para botões */
.btn-primary {
  background-color: var(--primary-blue);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary:hover {
  background-color: #1d4ed8;
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--primary-orange);
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 0.375rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: #ea580c;
  transform: translateY(-1px);
}

/* Estilos para cartões de cartas */
.letter-card {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  background-color: white;
  transition: all 0.3s ease;
}

.letter-card:hover {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  border-color: #d1d5db;
}

/* Responsividade */
@media (max-width: 640px) {
  .container {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  
  h1 {
    font-size: 1.875rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
}

/* Estilos para o modo escuro (opcional) */
@media (prefers-color-scheme: dark) {
  .dark-mode-support {
    background-color: #1f2937;
    color: #f9fafb;
  }
  
  .dark-mode-support .letter-card {
    background-color: #374151;
    border-color: #4b5563;
  }
}

/* Acessibilidade */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Estilos para o rodapé */
footer a:hover {
  text-decoration: underline;
}