body.portal-body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('../images/background.png') center/cover no-repeat;
  color: #000;
  height: 100vh;
}

.portal-header {
  display: flex;
  justify-content: space-between;
  padding: 20px;
  align-items: center;
  background: rgba(255, 255, 255, 0.8);
}

.portal-logo {
  width: 120px;
}

.portal-nav .nav-button {
  margin-left: 16px;
  padding: 10px 16px;
  font-weight: bold;
  cursor: pointer;
  border: 1px solid #ccc;
  border-radius: 4px;
  background: #eee;
}

.portal-nav .nav-button.active {
  background-color: #007bff;
  color: #fff;
}

.portal-main {
  text-align: center;
  margin-top: 80px;
}

.portal-title {
  font-size: 32px;
  font-weight: bold;
  color: #fff;
  text-shadow: 1px 1px 2px #000;
}

.login-modal {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.login-box {
  background: white;
  padding: 20px;
  border-radius: 8px;
  min-width: 300px;
  max-width: 400px;
}

.login-box input {
  display: block;
  margin: 10px 0;
  padding: 8px;
  width: 100%;
  box-sizing: border-box;
}

.login-actions button {
  margin-right: 8px;
  padding: 8px 12px;
  font-weight: bold;
}

.oferta-body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: url('../images/background.png') center/cover no-repeat;
  color: white;
  min-height: 100vh;
}

.oferta-header {
  display: flex;
  align-items: center;
  padding: 20px;
}

.oferta-logo {
  width: 120px;
  margin-right: 20px;
}

.oferta-title {
  font-size: 28px;
  font-weight: bold;
}

.oferta-main {
  padding: 40px;
}

.white-title {
  color: white;
  font-size: 20px;
  margin-top: 40px;
}

.pdf-grid {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.pdf-card {
  background-color: white;
  color: #333;
  padding: 16px;
  border-radius: 12px;
  text-align: center;
  width: 220px;
  font-size: 14px;
  font-weight: normal;
}

.pdf-card a {
  display: block;
  margin-top: 8px;
  font-weight: bold;
  color: #007bff;
  text-decoration: none;
}

.pdf-card a:hover {
  text-decoration: underline;
}

.preview-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 12px;
}

.logout-button {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 10px 16px;
  font-weight: bold;
  background-color: #ff4d4d;
  border: none;
  border-radius: 6px;
  color: white;
  cursor: pointer;
}

.logout-button:hover {
  background-color: #e60000;
}

.add-user-button {
  margin-top: 24px;
  padding: 12px 20px;
  background-color: #007bff;
  color: white;
  font-weight: bold;
  border: none;
  border-radius: 6px;
  cursor: pointer;
}

.add-user-modal {
  display: flex;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  justify-content: center;
  align-items: center;
  z-index: 999;
}

.add-user-modal.hidden {
  display: none;
}