/* ============================================
   DESIGN SYSTEM - VARIÁVEIS
   ============================================ */
:root {
  /* === TIPOGRAFIA - Escala modular (base 1rem = 16px) === */
  --text-xs: 0.6875rem;
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-md: 1.125rem;    /* 18px */
  --text-lg: 1.25rem;     /* 20px */
  --text-xl: 1.5rem;      /* 24px */
  --text-2xl: 2rem;       /* 32px */

  /* === PESOS === */
  --font-regular: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;
  --font-black: 900;

  /* === ESPAÇAMENTO - BASE AMPLIADA (múltiplos de 0.5rem) === */
  --space-1: 0.5rem;      /* 8px */
  --space-2: 0.75rem;     /* 12px */
  --space-3: 1rem;        /* 16px */
  --space-4: 1.25rem;     /* 20px */
  --space-5: 1.5rem;      /* 24px */
  --space-6: 2rem;        /* 32px */
  --space-8: 2.5rem;      /* 40px */
  --space-10: 3rem;       /* 48px */
  --space-12: 3.5rem;     /* 56px */
  --space-16: 4rem;       /* 64px */

  /* === BORDAS === */
  --radius-sm: 0.5rem;    /* 8px */
  --radius-md: 0.625rem;  /* 10px */
  --radius-lg: 1rem;      /* 16px */
  --radius-xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* === CORES (mantidas do original) === */
  --color-primary: #047094;
  --color-primary-dark: #035e7a;
  --color-primary-light: rgba(4, 112, 148, 0.2);
  
  --color-gray-50: #f8fafc;
  --color-gray-100: #f1f5f9;
  --color-gray-200: #e2e8f0;
  --color-gray-300: #d0d7de;
  --color-gray-400: #94a3b8;
  --color-gray-500: #6b7a8f;
  --color-gray-600: #475569;
  --color-gray-700: #334155;
  --color-gray-800: #1e293b;
  --color-gray-900: #0f172a;

  --color-error: #dc3545;
  --color-error-light: rgba(220, 53, 69, 0.2);
  --color-white: #ffffff;
  --color-bg-body: #047094;

  /* === SOMBRAS === */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 6px 14px rgba(4, 112, 148, 0.35);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.25);
  --shadow-focus: 0 0 0 3px rgba(4, 112, 148, 0.2);
  --shadow-error: 0 0 0 3px rgba(220, 53, 69, 0.2);

  /* === TRANSIÇÕES === */
  --transition-base: 0.2s ease;
  --transition-smooth: 0.25s cubic-bezier(0.4, 0, 0.2, 1);

  /* === LARGURAS === */
  --container-max: 480px;
  --card-max: 24rem;
}

/* ============================================
   RESET & BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--color-bg-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: var(--space-3);
  padding-top: 20px;
  font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   LAYOUT PRINCIPAL
   ============================================ */
.page-container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-3) var(--space-4);
  box-shadow: var(--shadow-xl);
  text-align: center;
  transition: transform var(--transition-base), box-shadow var(--transition-smooth);
  width: 100%;
  max-width: 100%;
  /* Move o card para cima sem cortar */
  margin-top: 50px;
  height: 510px;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
}

/* ============================================
   LOGO
   ============================================ */
.logo-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.logo {
margin-top: 10PX;
  max-width: 150px;
  height: auto;
  display: block;
}

/* ============================================
   TIPOGRAFIA - PADRÃO CONSISTENTE
   ============================================ */
.main-title {
  font-size: var(--text-md);
  font-weight: var(--font-bold);
  letter-spacing: 0.5px;
  color: var(--color-primary);
  line-height: 1.3;
  margin-bottom: var(--space-1);
}

.main-title span {
  font-weight: var(--font-regular);
  font-size: var(--text-sm);
  letter-spacing: 0.5px;
}

.subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray-400);
  margin: var(--space-1) 0 var(--space-3);
  line-height: 1.5;
  font-weight: var(--font-medium);
}

/* ============================================
   FORMULÁRIO
   ============================================ */
.consulta-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.input-group {
  width: 100%;
  text-align: left;
}

/* Label */
.cpf-label {
  display: block;
  text-align: left;
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: var(--color-gray-800);
  margin-bottom: var(--space-1);
  letter-spacing: 0.3px;
}

/* Input */
.cpf-input {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  letter-spacing: 1px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border var(--transition-base), box-shadow var(--transition-base);
  text-align: left;
  background: var(--color-white);
  min-height: 50px;
}

.cpf-input:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
  background: var(--color-white);
}

.cpf-input::placeholder {
  color: var(--color-gray-400);
  font-weight: var(--font-regular);
  text-align: left;
}

/* Estado de erro */
.cpf-input.error {
  border-color: var(--color-error) !important;
  box-shadow: var(--shadow-error) !important;
}

/* Mensagem de erro */
.cpf-error {
  display: none;
  color: var(--color-error);
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  margin-top: var(--space-1);
  text-align: left;
  transition: all var(--transition-smooth);
}

.cpf-error.show {
  display: block;
}

/* ============================================
   BOTÃO - CORRIGIDO (SEM SPIN)
   ============================================ */
.consultar-btn {
  background: var(--color-gray-300);
  color: var(--color-white);
  border: none;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: 0.8px;
  cursor: not-allowed;
  transition: background var(--transition-smooth), 
              transform var(--transition-base), 
              box-shadow var(--transition-smooth);
  box-shadow: var(--shadow-md);
  width: 100%;
  min-height: 50px;
  user-select: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

.consultar-btn i {
  font-size: var(--text-sm);
}

.consultar-btn:enabled {
  background: var(--color-primary);
  cursor: pointer;
  box-shadow: var(--shadow-lg);
}

.consultar-btn:enabled:hover {
  background: var(--color-primary-dark);
  transform: scale(1.02);
  box-shadow: 0 8px 18px rgba(4, 112, 148, 0.4);
}

.consultar-btn:enabled:active {
  transform: scale(0.97);
}

.consultar-btn:disabled {
  opacity: 0.7;
}

/* Estado de carregamento - apenas texto, sem spinner */
.consultar-btn.loading {
  background: var(--color-primary);
  cursor: wait;
  opacity: 0.85;
  pointer-events: none;
}

/* ============================================
   FOOTER
   ============================================ */
.footer-info {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  padding-top: var(--space-6);
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  margin-top: 50px;
}

.footer-top {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  justify-content: center;
}

.secure {
  color: #374151;
  font-weight: var(--font-medium);
  font-size: var(--text-xs);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.secure i {
  font-size: var(--text-xs);
}

.bc-footer {
  font-weight: var(--font-semibold);
  color: #374151;
  letter-spacing: 0.3px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-xs);
  margin-left: 15px;
}

.bc-footer i {
  font-size: var(--text-xs);
}

.rights {
  font-size: var(--text-xs);
  color: #374151;
  margin-top: var(--space-1);
  letter-spacing: 0.3px;
  text-align: center;
}

/* ============================================
   RESPONSIVIDADE - MESMO PADRÃO EM TODOS
   ============================================ */

/* === TABLET (431px - 768px) - MANTÉM MESMO TAMANHO === */
@media (min-width: 431px) and (max-width: 768px) {
  body {
    padding-top: 30px;
  }

  .page-container {
    max-width: var(--container-max);
  }

  .card {
    padding: var(--space-5) var(--space-3) var(--space-4);
    margin-top: -10px;
  }

  .logo {
    max-width: 150px;
  }

  .main-title {
    font-size: var(--text-md);
  }

  .subtitle {
    font-size: var(--text-xs);
  }

  .cpf-input {
    min-height: 50px;
  }

  .consultar-btn {
    min-height: 50px;
  }
}

/* === DESKTOP (769px+) - MANTÉM MESMO TAMANHO === */
@media (min-width: 769px) {
  body {
    padding-top: 40px;
  }

  .page-container {
    max-width: var(--container-max);
  }

  .card {
    padding: var(--space-5) var(--space-3) var(--space-4);
    margin-top: 0;
    max-width: 100%;
  }

  .card:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.3);
  }

  .logo {
    max-width: 150px;
  }

  .logo-wrapper {
    margin-bottom: var(--space-4);
  }

  .main-title {
    font-size: var(--text-md);
    margin-bottom: var(--space-1);
  }

  .subtitle {
    font-size: var(--text-xs);
    margin: var(--space-1) 0 var(--space-3);
  }

  .cpf-input {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-base);
    min-height: 50px;
  }

  .consultar-btn {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-sm);
    min-height: 50px;
  }

  .consulta-form {
    gap: var(--space-3);
    margin-bottom: var(--space-4);
  }

  .footer-info {
    font-size: var(--text-xs);
    padding-top: var(--space-6);
  }

  .footer-top {
    gap: var(--space-3);
  }
}

/* === MOBILE MUITO PEQUENO (até 360px) === */
@media (max-width: 360px) {
  body {
    padding-top: 10px;
  }

  .card {
    padding: var(--space-3) var(--space-2) var(--space-3);
    margin-top: -5px;
  }

  .logo {
    max-width: 120px;
  }

  .logo-wrapper {
    margin-bottom: var(--space-2);
  }

  .main-title {
    font-size: var(--text-sm);
  }

  .subtitle {
    font-size: var(--text-xs);
    margin: var(--space-1) 0 var(--space-2);
  }

  .cpf-input {
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-2);
    min-height: 44px;
  }

  .consultar-btn {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-2);
    min-height: 44px;
  }

  .footer-top {
    gap: var(--space-2);
    flex-direction: column;
    align-items: center;
  }
}

/* ============================================
   ACESSIBILIDADE - FOCUS VISIBLE
   ============================================ */
.cpf-input:focus-visible,
.consultar-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================
   REDUÇÃO DE MOVIMENTO
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}