body {
  background: #fff;
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
}
.login-container {
  max-width: 400px;
  margin: 8vh auto 0 auto;
  padding: 32px 24px 0 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  border-radius: 16px;
  background: #fff;
  position: relative;
}
.logo {
  text-align: center;
  margin-bottom: 32px;
}
.form-group {
  position: relative;
  margin-bottom: 16px;
}
input[type="text"], input[type="password"] {
  width: 100%;
  padding: 16px 44px 16px 44px;
  border-radius: 14px;
  border: 1.5px solid #1976D2;
  background: #E3F2FD;
  font-size: 17px;
  color: #000;
  outline: none;
  box-sizing: border-box;
}
input:focus {
  border: 2px solid #1976D2;
}
.icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: #1976D2;
  pointer-events: none;
}
.icon.person::before { content: "\1F464"; }
.icon.lock::before { content: "\1F512"; }
.btn {
  width: 100%;
  padding: 16px;
  border-radius: 14px;
  font-size: 17px;
  font-weight: bold;
  margin-bottom: 12px;
  cursor: pointer;
  transition: background 0.2s;
}
.btn.primary {
  background: #1976D2;
  color: #fff;
  border: none;
  box-shadow: 0 2px 6px rgba(25,118,210,0.08);
}
.btn.primary:disabled {
  background: #90caf9;
  cursor: not-allowed;
}
.btn.outlined {
  background: #fff;
  color: #1976D2;
  border: 2px solid #1976D2;
}
#message {
  color: #d32f2f;
  text-align: center;
  margin-top: 8px;
  min-height: 24px;
}
.loading-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.7);
  z-index: 999;
  align-items: center;
  justify-content: center;
}
.paw-icon {
  font-size: 64px;
  color: #009688;
  display: inline-block;
  animation: paw-bounce 0.9s infinite alternate ease-in-out;
}
@keyframes paw-bounce {
  0% { transform: scale(1); }
  100% { transform: scale(1.3); }
}
.bottom-logo {
  position: fixed;
  left: 0; right: 0; bottom: 50px;
  text-align: center;
}