/* Pantalla de autenticación */
.auth-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #000;
}

.auth-screen.hidden {
  display: none;
}

.auth-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('../img/seedream-4.0_Modern_professional_background_for_a_personal_finance_web_application_login_scre-0.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.4;
  filter: blur(3px);
}

.auth-content {
  position: relative;
  z-index: 10000;
  background: rgba(0, 0, 0, 0.85);
  border-radius: 20px;
  backdrop-filter: blur(15px);
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.6);
  max-width: 450px;
  width: 90%;
  padding: 3rem 2.5rem;
  text-align: center;
}

.auth-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.auth-title {
  color: #fff;
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.auth-subtitle {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.auth-input-group {
  text-align: left;
}

.auth-label {
  display: block;
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.auth-input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.auth-input:focus {
  outline: none;
  border-color: #00b894;
  background: rgba(255, 255, 255, 0.15);
}

.auth-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
}

.auth-error {
  color: #ff6b6b;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: none;
}

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

.auth-info {
  color: #74b9ff;
  font-size: 0.85rem;
  margin-top: 0.5rem;
}

.auth-button {
  padding: 0.875rem 2rem;
  background: linear-gradient(135deg, #00b894, #00a380);
  color: white;
  border: none;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 184, 148, 0.3);
  margin-top: 0.5rem;
}

.auth-button:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 184, 148, 0.4);
  background: linear-gradient(135deg, #00a380, #00b894);
}

.auth-button:active:not(:disabled) {
  transform: translateY(0);
}

.auth-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.auth-link {
  color: #74b9ff;
  font-size: 0.9rem;
  margin-top: 1.5rem;
  cursor: pointer;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.auth-link:hover {
  color: #a29bfe;
}

.auth-attempts {
  color: #fdcb6e;
  font-size: 0.9rem;
  margin-top: 1rem;
  font-weight: 500;
}

.auth-lock-message {
  color: #ff6b6b;
  font-size: 0.95rem;
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(255, 107, 107, 0.1);
  border-radius: 8px;
  border: 1px solid rgba(255, 107, 107, 0.3);
}

.auth-recovery-code {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: 0.5rem;
  color: #00b894;
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(0, 184, 148, 0.1);
  border-radius: 10px;
  border: 2px dashed rgba(0, 184, 148, 0.3);
}

.auth-email-display {
  color: #74b9ff;
  font-size: 1.1rem;
  margin: 1rem 0;
  padding: 0.75rem;
  background: rgba(116, 185, 255, 0.1);
  border-radius: 8px;
}

/* Animación de carga */
.auth-loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 0.8s linear infinite;
  margin-left: 10px;
  vertical-align: middle;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Códigos de respaldo */
.auth-backup-codes-container {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 1.5rem 0;
  padding: 1rem;
  background: rgba(0, 184, 148, 0.05);
  border-radius: 10px;
  border: 2px dashed rgba(0, 184, 148, 0.3);
}

.auth-backup-code-item {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  font-weight: 600;
  color: #00b894;
  padding: 0.75rem;
  background: rgba(0, 184, 148, 0.1);
  border-radius: 8px;
  letter-spacing: 0.1em;
  text-align: center;
  border: 1px solid rgba(0, 184, 148, 0.2);
}

/* Responsive para tablets */
@media (max-width: 768px) {
  .auth-content {
    max-width: 95%;
    padding: 2rem 1.5rem;
    border-radius: 15px;
  }

  .auth-icon {
    font-size: 3rem;
    margin-bottom: 0.75rem;
  }

  .auth-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
  }

  .auth-subtitle {
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
  }

  .auth-form {
    gap: 1rem;
  }

  .auth-input {
    padding: 0.75rem 0.875rem;
    font-size: 0.95rem;
  }

  .auth-button {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }

  .auth-backup-codes-container {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.75rem;
  }

  .auth-backup-code-item {
    font-size: 0.9rem;
    padding: 0.6rem;
  }

  .auth-link {
    font-size: 0.85rem;
    margin-top: 1rem;
  }

  .auth-recovery-code {
    font-size: 1.5rem;
    letter-spacing: 0.3rem;
    padding: 0.75rem;
  }

  .auth-lock-message {
    font-size: 0.85rem;
    padding: 0.75rem;
  }
}

/* Responsive para móviles pequeños */
@media (max-width: 480px) {
  .auth-content {
    max-width: 100%;
    width: 100%;
    padding: 1.5rem 1rem;
    border-radius: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .auth-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
  }

  .auth-title {
    font-size: 1.3rem;
    margin-bottom: 0.4rem;
  }

  .auth-subtitle {
    font-size: 0.85rem;
    margin-bottom: 1.25rem;
  }

  .auth-form {
    gap: 0.875rem;
  }

  .auth-label {
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
  }

  .auth-input {
    padding: 0.7rem 0.8rem;
    font-size: 0.9rem;
    border-radius: 8px;
  }

  .auth-button {
    padding: 0.7rem 1.25rem;
    font-size: 0.95rem;
    border-radius: 8px;
  }

  .auth-backup-codes-container {
    grid-template-columns: 1fr;
    gap: 0.5rem;
    padding: 0.75rem;
    margin: 1rem 0;
  }

  .auth-backup-code-item {
    font-size: 0.85rem;
    padding: 0.5rem;
    letter-spacing: 0.05em;
  }

  .auth-link {
    font-size: 0.8rem;
    margin-top: 0.875rem;
  }

  .auth-recovery-code {
    font-size: 1.2rem;
    letter-spacing: 0.2rem;
    padding: 0.6rem;
    margin: 1rem 0;
  }

  .auth-attempts,
  .auth-lock-message {
    font-size: 0.8rem;
    padding: 0.6rem;
  }

  .auth-error,
  .auth-info {
    font-size: 0.8rem;
  }

  .auth-email-display {
    font-size: 1rem;
    padding: 0.6rem;
  }
}