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

:root {
  --nle-vermelho: #D32F2F;
  --nle-vermelho-escuro: #B71C1C;
  --nle-branco: #ffffff;
  --nle-preto: #1a1a2e;
  --nle-cinza: #666;
  --nle-cinza-claro: #f5f5f5;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow-x: hidden;
}

.nle-background-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 0;
  pointer-events: none;
}

.nle-login-container {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 440px;
  padding: 1.5rem;
  perspective: 1200px;
  margin-right: auto;
  margin-left: 6rem;
}

.nle-flip-container {
  width: 100%;
  min-height: 520px;
}

.nle-flipper {
  position: relative;
  width: 100%;
  transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  transform-style: preserve-3d;
}

.nle-flip-container.flipped .nle-flipper {
  transform: rotateY(180deg);
}

.nle-front-face {
  backface-visibility: hidden;
  position: relative;
  width: 100%;
}

.nle-back-face {
  backface-visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-height: 100%;
  transform: rotateY(180deg);
  display: flex;
  align-items: center;
  justify-content: center;
}

.nle-card {
  background: var(--nle-branco);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(20px);
}

.nle-header {
  text-align: center;
  margin-bottom: 2rem;
}

.nle-logo-img {
  max-width: 200px;
  height: auto;
  margin-bottom: 1rem;
}

.nle-header-subtitle {
  color: var(--nle-cinza);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.nle-login-form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.nle-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nle-input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--nle-cinza);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nle-input {
  width: 100%;
  padding: 0.9rem 1.2rem;
  border: 2px solid #e0e0e0;
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--nle-cinza-claro);
  transition: all 0.3s ease;
  outline: none;
}

.nle-input:focus {
  border-color: var(--nle-vermelho);
  background: var(--nle-branco);
  box-shadow: 0 0 0 4px rgba(211, 47, 47, 0.1);
}

.nle-btn-primary {
  width: 100%;
  padding: 1rem;
  background: var(--nle-vermelho);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  letter-spacing: 0.5px;
}

.nle-btn-primary:hover {
  background: var(--nle-vermelho-escuro);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(211, 47, 47, 0.35);
}

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

.nle-btn-primary:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.nle-institucional {
  margin-top: 2rem;
  text-align: center;
}

.nle-essence-link {
  color: var(--nle-cinza);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  transition: color 0.3s;
}

.nle-essence-link:hover {
  color: var(--nle-vermelho);
}

.nle-valores-grid {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 1rem;
}

.nle-valor-card {
  cursor: pointer;
  text-align: center;
  padding: 1rem;
  border-radius: 12px;
  transition: all 0.3s ease;
  background: var(--nle-cinza-claro);
  min-width: 90px;
}

.nle-valor-card:hover {
  background: var(--nle-vermelho);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(211, 47, 47, 0.25);
}

.nle-valor-card:hover .nle-valor-title {
  color: white;
}

.nle-valor-icon {
  width: 40px;
  height: 40px;
  margin: 0 auto 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nle-valor-svg {
  max-width: 100%;
  max-height: 100%;
}

.nle-valor-title {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--nle-cinza);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

.nle-back-face.nle-card {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}

#nle-conteudo-detalhe {
  text-align: center;
  max-width: 350px;
  position: relative;
  width: 100%;
}

.nle-back-close {
  position: absolute;
  top: -0.5rem;
  right: -0.5rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--nle-cinza);
  cursor: pointer;
  transition: color 0.3s;
  line-height: 1;
}

.nle-back-close:hover {
  color: var(--nle-vermelho);
}

#nle-detalhe-titulo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--nle-vermelho);
  margin-bottom: 1rem;
  letter-spacing: 2px;
}

#nle-detalhe-texto {
  color: var(--nle-cinza);
  line-height: 1.8;
  font-size: 0.9rem;
}

.nle-footer {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1;
  text-align: center;
  padding: 1.5rem;
}

.nle-footer p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.75rem;
  font-weight: 500;
}

.nle-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  padding: 0.8rem 1rem;
  border-radius: 10px;
  font-size: 0.85rem;
  font-weight: 500;
  display: none;
  text-align: center;
}

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

@media (max-width: 768px) {
  .nle-login-container {
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .nle-login-container {
    padding: 1rem;
  }
  .nle-card {
    padding: 1.8rem 1.2rem;
  }
  .nle-logo-img {
    max-width: 150px;
  }
  .nle-valores-grid {
    gap: 0.5rem;
  }
  .nle-valor-card {
    min-width: 70px;
    padding: 0.7rem;
  }
}