/* ==========================================================================
   Ferramentas.com — components.css
   Componentes Reutilizáveis: Botões, Formulários, Cards, Resultados e Monetização
   ========================================================================== */

/* ==========================================================================
   Botões
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  min-height: 44px; /* Touch target acessível mobile */
  padding: var(--spacing-2) var(--spacing-5);
  font-size: var(--font-size-sm);
  font-weight: 600;
  line-height: 1;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  user-select: none;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  background-color: var(--color-border);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary-subtle);
}

.btn-block {
  width: 100%;
}

.btn-lg {
  min-height: 48px;
  font-size: var(--font-size-base);
  padding: var(--spacing-3) var(--spacing-6);
}

/* ==========================================================================
   Hero & Barra de Busca da Homepage
   ========================================================================== */
.hero-section {
  text-align: center;
  padding: var(--spacing-8) 0 var(--spacing-10);
}

.hero-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-3);
}

.hero-title span {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto var(--spacing-6);
}

.search-box-container {
  max-width: 580px;
  margin: 0 auto;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--spacing-4);
  width: 20px;
  height: 20px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  min-height: 52px;
  padding: var(--spacing-3) var(--spacing-4) var(--spacing-3) calc(var(--spacing-4) + 28px);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-subtle);
}

/* Filtros de Categoria */
.category-filter {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2);
  margin-top: var(--spacing-5);
}

.category-btn {
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.category-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.category-btn.active {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}

/* ==========================================================================
   Catálogo de Ferramentas (Grade e Cards)
   ========================================================================== */
.tools-section-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--spacing-6);
  color: var(--color-text-primary);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-5);
}

.tool-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-xs);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  color: inherit;
  position: relative;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-card-hover);
}

.tool-card-link-cover {
  display: flex;
  flex-direction: column;
  height: 100%;
  text-decoration: none;
  color: inherit;
}

.tool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-3);
}

.tool-card-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-card-title {
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
  line-height: var(--line-height-tight);
}

.tool-card-desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--spacing-4);
  flex: 1;
}

.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  font-weight: 600;
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   Badges e Tags
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-sm);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary-text);
}

.badge-neutral {
  background-color: var(--color-surface-subtle);
  color: var(--color-text-muted);
}

/* ==========================================================================
   Layout de Ferramentas (Workspace + Lateral)
   ========================================================================== */
.tool-page-header {
  margin-bottom: var(--spacing-6);
}

.tool-page-title {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--spacing-2);
}

.tool-page-tagline {
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
}

.tool-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
}

@media (min-width: 900px) {
  .tool-layout {
    grid-template-columns: 1fr 340px;
    align-items: start;
  }
}

.tool-workspace {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.tool-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.tool-content-full {
  grid-column: 1 / -1;
}

/* ==========================================================================
   Formulários & Entradas de Dados
   ========================================================================== */
.form-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-sm);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-5);
}

@media (min-width: 600px) {
  .form-grid-2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.form-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.input-container {
  position: relative;
  display: flex;
  align-items: center;
}

.input-control {
  width: 100%;
  min-height: 46px;
  padding: var(--spacing-2) var(--spacing-4);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
  background-color: var(--color-surface);
}

.input-has-addon-right {
  padding-right: 70px;
}

.input-addon-right {
  position: absolute;
  right: var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  color: var(--color-text-muted);
  pointer-events: none;
  user-select: none;
}

.form-help {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-5);
  border-top: 1px solid var(--color-border-subtle);
}

/* ==========================================================================
   Painel de Resultados (Destaque Premium)
   ========================================================================== */
.result-card {
  background-color: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary), #2dd4bf);
}

.result-header {
  margin-bottom: var(--spacing-4);
}

.result-main-highlight {
  background-color: var(--color-primary-subtle);
  border-radius: var(--radius-lg);
  padding: var(--spacing-5) var(--spacing-6);
  margin-bottom: var(--spacing-5);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.result-main-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary-text);
  margin-bottom: var(--spacing-1);
}

.result-main-value {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-3);
}

@media (max-width: 480px) {
  .metrics-grid {
    grid-template-columns: 1fr;
  }
}

.metric-tile {
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  display: flex;
  flex-direction: column;
}

.metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: var(--spacing-1);
}

.metric-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
}

/* ==========================================================================
   Alertas e Mensagens de Erro
   ========================================================================== */
.alert {
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.alert-danger {
  background-color: var(--color-danger-subtle);
  color: var(--color-danger);
  border: 1px solid rgba(185, 28, 28, 0.2);
}

.alert-success {
  background-color: var(--color-success-subtle);
  color: var(--color-success);
  border: 1px solid rgba(21, 128, 61, 0.2);
}

/* ==========================================================================
   Página de Contato
   ========================================================================== */
.contact-content {
  max-width: 760px;
  margin: 0 auto;
}

.contact-textarea {
  min-height: 180px;
  resize: vertical;
}

.contact-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.turnstile-container {
  min-height: 65px;
  margin-top: var(--spacing-5);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* ==========================================================================
   Monetização: Espaços Reservados de Publicidade (Zero CLS)
   ========================================================================== */
.ad-slot {
  position: relative;
  background-color: var(--color-surface-subtle);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.ad-slot.has-ad-content {
  display: flex;
}

.ad-slot-header {
  position: absolute;
  top: 4px;
  right: 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.6;
}

.ad-slot-sidebar {
  min-height: 250px;
  width: 100%;
  padding: var(--spacing-4);
}

.ad-slot-banner {
  min-height: 90px;
  width: 100%;
  margin: var(--spacing-6) 0;
  padding: var(--spacing-3);
}

/* ==========================================================================
   Recomendações e Afiliados Conceituais
   ========================================================================== */
.affiliate-section {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-xs);
}

.affiliate-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-4);
}

.affiliate-heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-secondary);
}

.affiliate-disclaimer {
  font-size: 11px;
  color: var(--color-text-muted);
}

.affiliate-notice {
  margin-bottom: var(--spacing-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.affiliate-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.affiliate-item {
  display: flex;
  flex-direction: column;
  background-color: var(--color-surface-subtle);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
  gap: var(--spacing-2);
}

.affiliate-item-title {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-primary);
}

.affiliate-item-desc {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  line-height: 1.4;
}

.affiliate-platform {
  color: var(--color-text-muted);
  font-size: var(--font-size-xs);
}

.affiliate-link {
  align-self: flex-start;
  margin-top: auto;
}

/* ==========================================================================
   Conteúdo Explicativo / SEO & Artigo
   ========================================================================== */
.content-article {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  margin-top: var(--spacing-8);
}

.article-title {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  letter-spacing: -0.02em;
}

.article-prose {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
}

.formula-box {
  background-color: var(--color-surface-subtle);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--spacing-4);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.article-prose ul {
  padding-left: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}