:root {
  --senai-red: #E30613;
  --senai-red-dark: #B8050E;
  --senai-red-light: #FF2E3B;
  --senai-red-bg: #FFF5F5;
  --senai-dark: #0F172A;
  --senai-card-dark: #1E293B;
  --senai-border-dark: #334155;
  --senai-bg-light: #F8FAFC;
  --senai-text-main: #1E293B;
  --senai-text-muted: #64748B;
  --senai-font: 'Inter', system-ui, -apple-system, sans-serif;
  --senai-heading-font: 'Outfit', sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--senai-font);
  background-color: var(--senai-bg-light);
  color: var(--senai-text-main);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--senai-heading-font);
  font-weight: 700;
  color: var(--senai-dark);
}

.fade-in {
  animation: fadeIn 0.3s ease-out forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--senai-font);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background-color: var(--senai-red);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(227, 6, 19, 0.25);
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--senai-red-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(227, 6, 19, 0.35);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--senai-dark);
  border: 1.5px solid #E2E8F0;
}

.btn-secondary:hover:not(:disabled) {
  border-color: var(--senai-red);
  color: var(--senai-red);
  background-color: var(--senai-red-bg);
}

.btn-dark {
  background-color: var(--senai-dark);
  color: #FFFFFF;
}

.btn-dark:hover:not(:disabled) {
  background-color: #1E293B;
}

/* Estilo para Conteúdo Markdown da IA */
.markdown-content {
  font-size: 0.92rem;
  line-height: 1.6;
  color: #334155;
}

.markdown-content h1 {
  font-size: 1.3rem;
  color: var(--senai-red);
  margin-bottom: 12px;
  border-bottom: 2px solid #FEE2E2;
  padding-bottom: 6px;
}

.markdown-content h2 {
  font-size: 1.1rem;
  color: var(--senai-dark);
  margin-top: 16px;
  margin-bottom: 8px;
}

.markdown-content h3 {
  font-size: 0.98rem;
  color: #1E293B;
  margin-top: 12px;
  margin-bottom: 6px;
}

.markdown-content ul, .markdown-content ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.markdown-content li {
  margin-bottom: 4px;
}

.markdown-content p {
  margin-bottom: 10px;
}

.markdown-content blockquote {
  border-left: 4px solid var(--senai-red);
  background-color: #FFF5F5;
  padding: 8px 12px;
  margin: 10px 0;
  border-radius: 0 6px 6px 0;
}

.markdown-content hr {
  border: 0;
  height: 1px;
  background: #E2E8F0;
  margin: 16px 0;
}