.sign-in-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  margin: 0;
  background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f0 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.sign-in-container {
  background-color: white;
  padding: 48px 40px;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.1);
  text-align: center;
  min-width: 320px;
  max-width: 400px;
}

.sign-in-logo {
  width: 160px;
  height: auto;
  margin-bottom: 8px;
}

.sign-in-subtitle {
  color: #6b7280;
  font-size: 14px;
  margin: 0 0 32px 0;
}

.sign-in-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: #137F62;
  color: white;
  padding: 12px 24px;
  border: none;
  border-radius: 6px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.2s, box-shadow 0.2s;
  width: 100%;
}

.sign-in-btn:hover {
  background-color: #0f6650;
  box-shadow: 0 2px 8px rgba(19, 127, 98, 0.3);
}

.sign-in-btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(19, 127, 98, 0.4);
}