/* Conversor de Moedas - Estilos Específicos */

/* Header Navegação */
.header-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all var(--transition-fast);
}

.back-btn:hover {
  color: var(--brand-primary);
  border-color: rgba(255, 255, 255, 0.1);
  transform: translateX(-2px);
}

.page-title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-align: center;
}

.page-subtitle {
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  color: var(--text-secondary);
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

/* Conversor Principal */
.converter-section {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(32px, 4vw, 48px);
  box-shadow: var(--glass-shadow);
  position: relative;
}

.converter-container {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 32px;
}

/* Currency Input */
.currency-input {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.currency-select {
  background: rgba(45, 55, 72, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  appearance: none;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 16px;
  padding-right: 40px;
}

.currency-select:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background-color: rgba(45, 55, 72, 0.5);
}

.currency-select:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* Amount Input - Removendo as setas padrão do browser */
.amount-input {
  background: rgba(45, 55, 72, 0.4);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 20px 16px;
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  transition: all var(--transition-fast);
  position: relative;
}

/* Remove as setas padrão do input number */
.amount-input::-webkit-outer-spin-button,
.amount-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-group:has(.amount-input):after,
.input-group:has(.amount-input):before {
  display: none !important;
}

.amount-input:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background-color: rgba(45, 55, 72, 0.5);
}

.amount-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.amount-input[readonly] {
  cursor: default;
  background: rgba(45, 55, 72, 0.2);
}

.amount-input::placeholder {
  color: var(--text-tertiary);
  font-weight: 400;
}

/* Swap Button */
.swap-container {
  display: flex;
  justify-content: center;
  align-items: center;
}

.swap-btn {
  width: 56px;
  height: 56px;
  background: var(--brand-gradient);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
}

.swap-btn:hover {
  transform: scale(1.05) rotate(180deg);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.swap-btn:active {
  transform: scale(0.95) rotate(180deg);
}

/* Conversion Info */
.conversion-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background: rgba(45, 55, 72, 0.2);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: 24px;
}

.rate-display {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 1.1rem;
}

.rate-display i {
  color: var(--brand-primary);
}

.last-update {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-tertiary);
  font-size: 0.85rem;
}

.last-update i {
  color: var(--text-tertiary);
}

/* Loading Status */
.loading-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 16px;
  color: var(--brand-primary);
  font-weight: 500;
}

.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--glass-border);
  border-top: 2px solid var(--brand-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Error Status */
.error-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  color: #fca5a5;
  text-align: center;
}

.error-status i {
  font-size: 2rem;
  color: #ef4444;
}

.retry-btn {
  background: var(--brand-gradient);
  border: none;
  color: white;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 0.9rem;
}

.retry-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Info Section */
.info-section {
  margin-top: 32px;
}

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

.info-card {
  background: rgba(45, 55, 72, 0.3);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  transition: all var(--transition-normal);
}

.info-card:hover {
  transform: translateY(-2px);
  background: rgba(45, 55, 72, 0.4);
  border-color: rgba(255, 255, 255, 0.1);
}

.info-icon {
  width: 56px;
  height: 56px;
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin: 0 auto 20px;
  color: var(--brand-primary);
  transition: all var(--transition-fast);
}

.info-card:hover .info-icon {
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.info-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.info-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-nav {
    margin-bottom: 16px;
  }

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

  .swap-container {
    order: -1;
  }

  .swap-btn {
    transform: rotate(90deg);
  }

  .swap-btn:hover {
    transform: scale(1.05) rotate(270deg);
  }

  .conversion-info {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .info-grid {
    grid-template-columns: 1fr;
  }

  .amount-input {
    font-size: 1.25rem;
    padding: 16px;
  }
}

@media (max-width: 480px) {
  .back-btn {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  .converter-section {
    padding: 20px;
  }

  .amount-input {
    font-size: 1.1rem;
    padding: 14px;
  }

  .currency-select {
    font-size: 0.9rem;
    padding: 14px;
    padding-right: 36px;
  }

  .swap-btn {
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }

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