/* ==========================================================================
   PROPOSTA IDEAL - ESTILOS GLOBAIS E COMPONENTES BÁSICOS
   Reset moderno, tipografia, estados de foco, botões universais e tooltips.
   ========================================================================== */

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

html {
  font-family: var(--font-family-base);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  height: 100%;
}

body {
  min-height: 100%;
  background-color: var(--bg-app);
  color: var(--text-primary);
  font-weight: var(--font-weight-regular);
  display: flex;
  flex-direction: column;
  transition: background-color var(--transition-base), color var(--transition-base);
}

/* Tipografia e Hierarquia */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  font-weight: var(--font-weight-bold);
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  color: var(--text-secondary);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  text-decoration: underline;
}

/* Acessibilidade - Foco Visível para Navegação via Teclado */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   BOTÕES E ELEMENTOS INTERATIVOS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-family: var(--font-family-base);
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none !important;
  white-space: nowrap;
  user-select: none;
  transition: all var(--transition-fast);
}

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

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-primary-contrast) !important;
  box-shadow: var(--shadow-sm);
}

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

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

.btn-outline:hover {
  background-color: var(--bg-surface-subtle);
  border-color: var(--border-strong);
}

.btn-ghost {
  background-color: transparent;
  color: var(--text-secondary) !important;
}

.btn-ghost:hover {
  background-color: var(--bg-surface-subtle);
  color: var(--color-primary) !important;
}

.btn-sm {
  padding: 0.4rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.9rem 1.75rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   BADGES E TAGS
   ========================================================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-primary {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid rgba(2, 132, 199, 0.2);
}

.badge-accent {
  background-color: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid rgba(13, 148, 136, 0.2);
}

/* ==========================================================================
   SISTEMA UNIVERSAL DE TOOLTIPS (Microinterações Mandatórias)
   Ativado via mouse hover em controles com data-tooltip.
   ========================================================================== */
.proposta-tooltip {
  position: fixed;
  z-index: 99999;
  pointer-events: none;
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  padding: 0.45rem 0.85rem;
  font-size: 0.78rem;
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-base);
  box-shadow: var(--shadow-lg);
  max-width: 260px;
  line-height: 1.35;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease;
  word-wrap: break-word;
}

.proposta-tooltip.active {
  opacity: 1;
  transform: translateY(0);
}