.auth-container {
  max-width: 450px;
  margin: 80px auto 40px;
  padding: 30px;
  border: none;
  border-radius: 8px;
  box-shadow: 0 4px 24px rgb.notice, .alert {
    padding: 15px 20px;
    margin: 0 0 20px;
    border-radius: 0;
    text-align: center;
    font-weight: 500;
    position: relative;
  }

  .notice {
    background-color: #e7f3fe;
    color: #1a73e8;
    border-bottom: 1px solid rgba(26, 115, 232, 0.2);
  }

  .alert {
    background-color: #feede7;
    color: #d93025;
    border-bottom: 1px solid rgba(217, 48, 37, 0.2);
  }

  .notice::before,
  .alert::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-repeat: no-repeat;
    background-position: center center;
  }

  .notice::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='20' height='20'%3E%3Cpath fill='none' d='M0 0h24v24H0z'/%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8s3.59-8 8-8 8 3.59 8 8-3.59 8-8 8zm4.59-12.42L10 14.17l-2.59-2.58L6 13l4 4 8-8z' fill='%231a73e8'/%3E%3C/svg%3E");
  }

  .alert::before {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='20' height='20'%3E%3Cpath fill='none' d='M0 0h24v24H0z'/%3E%3Cpath d='M11 15h2v2h-2zm0-8h2v6h-2zm.99-5C6.47 2 2 6.48 2 12s4.47 10 9.99 10C17.52 22 22 17.52 22 12S17.52 2 11.99 2zM12 20c-4.42 0-8-3.58-8-8s3.58-8 8-8 8 3.58 8 8-3.58 8-8 8z' fill='%23d93025'/%3E%3C/svg%3E");
  }
  background-color: #fff;
  position: relative;
}

.auth-container::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 120px;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='64' height='64'%3E%3Cpath fill='none' d='M0 0h24v24H0z'/%3E%3Cpath d='M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zM7.07 18.28c.43-.9 3.05-1.78 4.93-1.78s4.5.88 4.93 1.78C15.57 19.36 13.86 20 12 20s-3.57-.64-4.93-1.72zm11.29-1.45c-1.43-1.74-4.9-2.33-6.36-2.33s-4.93.59-6.36 2.33C4.62 15.49 4 13.82 4 12c0-4.41 3.59-8 8-8s8 3.59 8 8c0 1.82-.62 3.49-1.64 4.83zM12 6c-1.94 0-3.5 1.56-3.5 3.5S10.06 13 12 13s3.5-1.56 3.5-3.5S13.94 6 12 6zm0 5c-.83 0-1.5-.67-1.5-1.5S11.17 8 12 8s1.5.67 1.5 1.5S12.83 11 12 11z' fill='%235868E0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-container h2 {
  margin: 30px 0 40px;
  color: #333;
  text-align: center;
  font-size: 28px;
  font-weight: 600;
}

.form-group {
  margin-bottom: 22px;
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #444;
  font-size: 14px;
  transition: all 0.2s ease;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 16px;
  transition: all 0.2s ease;
  background-color: #f9f9f9;
}

.form-control:focus {
  border-color: #5868e0;
  box-shadow: 0 0 0 3px rgba(88, 104, 224, 0.15);
  background-color: #fff;
  outline: none;
}

.form-group:hover label {
  color: #5868e0;
}

.form-actions {
  margin-top: 30px;
}

.btn {
  padding: 14px 20px;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s ease;
  width: 100%;
  display: block;
  text-align: center;
}

.btn-primary {
  background-color: #5868e0;
  color: white;
  box-shadow: 0 4px 12px rgba(88, 104, 224, 0.25);
}

.btn-primary:hover {
  background-color: #4959ca;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(88, 104, 224, 0.35);
}

.btn-secondary {
  background-color: #6c757d;
  color: white;
}

.demo-notice {
  margin: 20px 0;
  padding: 12px;
  background-color: #fff8e1;
  border-left: 4px solid #ffc107;
  border-radius: 4px;
}

.demo-notice p {
  margin: 0;
  color: #856404;
  font-size: 14px;
}

.remember-me {
  display: flex;
  align-items: center;
  margin: 15px 0;
}

.remember-me input {
  margin-right: 8px;
}

.auth-links {
  margin-top: 20px;
  text-align: center;
}

.auth-links a {
  color: #0066cc;
  text-decoration: none;
}

.auth-links a:hover {
  text-decoration: underline;
}

.notice,
.alert {
  padding: 15px;
  margin-bottom: 20px;
  border-radius: 4px;
  text-align: center;
}

.notice {
  background-color: #d4edda;
  color: #155724;
}

.alert {
  background-color: #f8d7da;
  color: #721c24;
}

.user-nav {
  padding: 16px 0;
  background-color: #fff;
  border-bottom: 1px solid #e9ecef;
  margin-bottom: 20px;
  box-shadow: 0 2px 15px rgba(0, 0, 0, 0.04);
  position: sticky;
  top: 0;
  z-index: 100;
}

.user-nav .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.user-nav .brand {
  font-size: 20px;
  color: #333;
  display: flex;
  align-items: center;
}

.user-nav .brand::before {
  content: "";
  display: inline-block;
  width: 24px;
  height: 24px;
  margin-right: 10px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' width='24' height='24'%3E%3Cpath fill='none' d='M0 0h24v24H0z'/%3E%3Cpath d='M5 12.5c0 2.76 2.24 5 5 5s5-2.24 5-5-2.24-5-5-5-5 2.24-5 5zm5-3c1.66 0 3 1.34 3 3s-1.34 3-3 3-3-1.34-3-3 1.34-3 3-3zm7-4.5H3v14h14v-14zm2-2v18H1V3h18z' fill='%235868E0'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
}

.user-nav .user-info {
  font-size: 14px;
  color: #555;
  display: flex;
  align-items: center;
}

.user-nav .user-email {
  font-weight: 600;
  color: #5868e0;
  margin: 0 8px;
}

.logout-btn {
  display: inline-block;
  padding: 8px 16px;
  background-color: #f1f3ff;
  color: #5868e0;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  margin-left: 15px;
}

.logout-btn:hover {
  background-color: #e6e9ff;
  color: #4959ca;
}