/* =================================
   ESTILOS GLOBAIS COMPARTILHADOS
   ================================= */

/* Reset e configurações base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  background: #0f0f0f;
  color: #e1e1e1;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== NAVEGAÇÃO ===== */
.navigation {
  background: rgba(26, 26, 46, 0.9);
  border-radius: 12px;
  padding: 16px 24px;
  margin-bottom: 30px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  margin-bottom: 16px;
}

.nav-home {
  position: absolute;
  left: 0;
  color: #a0a0a0;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-home:hover {
  color: #ffffff;
  background: rgba(102, 126, 234, 0.2);
}

.nav-title {
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
}

.nav-menu {
  display: flex;
  gap: 20px;
  list-style: none;
  flex-wrap: wrap;
  justify-content: center;
}

.nav-link {
  color: #a0a0a0;
  text-decoration: none;
  padding: 8px 16px;
  border-radius: 8px;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(102, 126, 234, 0.2);
}

.nav-link.active {
  color: #667eea;
  background: rgba(102, 126, 234, 0.1);
}

/* ===== BREADCRUMB NAVIGATION ===== */
.nav-breadcrumb {
  margin-bottom: 20px;
}

.nav-breadcrumb a {
  color: #a0a0a0;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.nav-breadcrumb a:hover {
  color: #667eea;
}

/* ===== HEADER ===== */
header {
  text-align: center;
  margin-bottom: 30px;
  padding: 20px 0;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.1rem;
  color: #a0a0a0;
  font-weight: 400;
  margin-bottom: 10px;
}

.description {
  font-size: 0.95rem;
  color: #b0b0b0;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* ===== CARDS ===== */
.card {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid #333;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.info-card {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid #333;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.info-card h3 {
  color: #ffffff;
  margin-bottom: 8px;
  font-size: 1.1rem;
  text-align: center;
}

.info-card p {
  color: #a0a0a0;
  font-size: 0.9rem;
  line-height: 1.4;
}

/* Estilos específicos para listas dentro dos info-cards */
.info-card ul {
  list-style: none;
  padding-left: 0;
  margin: 12px 0;
  text-align: left;
}

.info-card li {
  color: #c0c0c0;
  margin-bottom: 8px;
  line-height: 1.4;
  font-size: 0.9rem;
  position: relative;
  padding-left: 20px;
}

.info-card li::before {
  content: '•';
  color: #667eea;
  font-weight: bold;
  position: absolute;
  left: 0;
  top: 0;
}

/* ===== FORMULÁRIOS ===== */
.form-container,
.calculator-card {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid #333;
  border-radius: 12px;
  padding: 30px;
  margin-bottom: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.input-group {
  margin-bottom: 24px;
}

.input-container {
  margin-bottom: 20px;
}

.input-group label,
.input-container label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #e1e1e1;
  font-size: 1rem;
}

.input-group input,
.input-group select,
.input-container input,
.input-container select {
  width: 100%;
  padding: 12px 16px;
  background: #111;
  border: 2px solid #333;
  border-radius: 8px;
  color: #e1e1e1;
  font-size: 1rem;
  font-family: inherit;
  transition: all 0.3s ease;
}

.input-group input:focus,
.input-group select:focus,
.input-container input:focus,
.input-container select:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.input-group input.error,
.input-group select.error,
.input-container input.error,
.input-container select.error {
  border-color: #f44336;
  box-shadow: 0 0 0 3px rgba(244, 67, 54, 0.1);
}

.input-group input::placeholder,
.input-container input::placeholder {
  color: #666;
}

/* Estilos específicos para inputs de data e number */
input[type='date'],
input[type='number'] {
  cursor: pointer;
}

input[type='date']::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
  cursor: pointer;
}

input[type='number']::-webkit-outer-spin-button,
input[type='number']::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type='number'] {
  appearance: textfield;
  -moz-appearance: textfield;
}

/* Estilos para Select customizado */
select {
  cursor: pointer;
  appearance: none; /* Remove estilo nativo */
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23667eea' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6,9 12,15 18,9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 40px;
}

select:hover {
  border-color: #4a5bc4;
}

select option {
  background: #1a1a1a;
  color: #e1e1e1;
  padding: 8px;
}

/* Texto de ajuda */
.input-help,
.input-container small,
small {
  display: block;
  font-size: 0.8rem;
  color: #888;
  margin-top: 6px;
  line-height: 1.4;
  font-style: italic;
}

/* ===== BOTÕES ===== */
.calculate-btn {
  width: 100%;
  padding: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 8px;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.calculate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.calculate-btn:active {
  transform: translateY(0);
}

.btn-icon {
  font-size: 1.2rem;
}

/* ===== RESULTADOS ===== */
.results-container,
.result-section {
  animation: slideIn 0.5s ease-out;
}

.result-card {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid #333;
  border-radius: 12px;
  padding: 30px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.result-summary {
  text-align: center;
  margin-bottom: 30px;
  padding: 20px;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 12px;
  border: 1px solid rgba(102, 126, 234, 0.3);
}

.total-value {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.total-value .label {
  font-size: 1.1rem;
  color: #a0a0a0;
  font-weight: 500;
}

.total-value .value {
  font-size: 2.5rem;
  font-weight: 700;
  color: #00d4aa;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== FOOTER ===== */
.footer-disclaimer {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid #2a2a2a;
  margin-top: auto;
}

.footer-disclaimer p {
  color: #808080;
  font-size: 0.9rem;
  margin-bottom: 8px;
}

.disclaimer {
  font-size: 0.8rem !important;
  color: #666 !important;
  line-height: 1.4;
  margin-top: 12px;
}

/* ===== RESPONSIVIDADE GLOBAL ===== */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  header h1 {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .description {
    font-size: 0.9rem;
  }

  .nav-link {
    text-align: center;
    padding: 12px 16px;
  }

  .info-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .form-container,
  .calculator-card {
    padding: 20px;
  }

  .calculate-btn {
    font-size: 1rem;
    padding: 14px;
  }

  .total-value .value {
    font-size: 2rem;
  }

  /* Ajustes para select em mobile */
  select {
    font-size: 16px; /* Evita zoom no iOS */
    background-size: 14px;
    background-position: right 10px center;
    padding-right: 35px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 10px;
  }

  header h1 {
    font-size: 1.8rem;
  }

  .nav-brand {
    gap: 12px;
    position: static;
    margin-bottom: 20px;
  }

  .nav-home {
    position: static;
    align-self: flex-start;
  }

  .info-card,
  .form-container,
  .calculator-card {
    padding: 16px;
  }
}

/* ===== ESTILOS ESPECÍFICOS DA PÁGINA INICIAL ===== */

/* Header Principal */
header {
  text-align: center;
  margin-bottom: 40px;
  padding: 40px 0;
}

header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.subtitle {
  font-size: 1.2rem;
  color: #a0a0a0;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Grid de Calculadoras */
.calculators-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.calculator-card {
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
  border: 1px solid #333;
  border-radius: 16px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: block;
}

.calculator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.calculator-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(102, 126, 234, 0.2);
  border-color: #667eea;
  text-decoration: none;
  color: inherit;
}

.calculator-card:visited {
  color: inherit;
  text-decoration: none;
}

.calculator-card:active {
  transform: translateY(-2px);
  text-decoration: none;
  color: inherit;
}

.card-icon {
  font-size: 3rem;
  margin-bottom: 20px;
  opacity: 0.9;
}

.calculator-card h2 {
  font-size: 1.5rem;
  margin-bottom: 16px;
  color: #ffffff;
  font-weight: 600;
}

.calculator-card p {
  color: #b0b0b0;
  margin-bottom: 20px;
  line-height: 1.6;
}

.features-list {
  list-style: none;
  text-align: left;
  margin-bottom: 25px;
}

.features-list li {
  color: #c0c0c0;
  margin-bottom: 8px;
  position: relative;
  padding-left: 20px;
  font-size: 0.9rem;
}

.features-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #00d4aa;
  font-weight: bold;
}

/* Seção de Informações */
.info-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-bottom: 40px;
}

.info-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 25px;
  text-align: center;
}

.info-card h3 {
  color: #667eea;
  margin-bottom: 15px;
  font-size: 1.1rem;
}

.info-card p {
  color: #b0b0b0;
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 30px 0;
  border-top: 1px solid #333;
  text-align: center;
}

.footer-content p {
  margin-bottom: 15px;
  color: #a0a0a0;
}

.disclaimer {
  font-size: 0.85rem;
  color: #888;
  max-width: 800px;
  margin: 15px auto;
  line-height: 1.4;
}

.footer-links {
  margin-top: 20px;
}

.footer-links a {
  color: #667eea;
  text-decoration: none;
  margin: 0 5px;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: #5a6fd8;
}

/* Responsividade da página inicial */
@media (max-width: 768px) {
  header h1 {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1.1rem;
  }

  .calculators-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .calculator-card {
    padding: 25px;
  }

  .info-section {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .info-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  header {
    padding: 20px 0;
  }

  header h1 {
    font-size: 1.6rem;
  }

  .subtitle {
    font-size: 1rem;
  }

  .calculator-card {
    padding: 20px;
  }

  .card-icon {
    font-size: 2.5rem;
  }

  .calculator-card h2 {
    font-size: 1.3rem;
  }
}