* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --chakra-colors-blue-50: #e3f2fd;
  --chakra-colors-blue-100: #bbdefb;
  --chakra-colors-blue-200: #90caf9;
  --chakra-colors-blue-300: #64b5f6;
  --chakra-colors-blue-400: #42a5f5;
  --chakra-colors-blue-500: #2196f3;
  --chakra-colors-blue-600: #1e88e5;
  --chakra-colors-blue-700: #1976d2;
  --chakra-colors-blue-800: #1565c0;
  --chakra-colors-blue-900: #0d47a1;

  --chakra-colors-gray-50: #fafafa;
  --chakra-colors-gray-100: #f5f5f5;
  --chakra-colors-gray-200: #eeeeee;
  --chakra-colors-gray-300: #e0e0e0;
  --chakra-colors-gray-400: #bdbdbd;
  --chakra-colors-gray-500: #9e9e9e;
  --chakra-colors-gray-600: #757575;
  --chakra-colors-gray-700: #616161;
  --chakra-colors-gray-800: #424242;
  --chakra-colors-gray-900: #212121;

  --chakra-colors-red-500: #f44336;
  --chakra-colors-red-600: #e53935;

  --chakra-space-1: 0.25rem;
  --chakra-space-2: 0.5rem;
  --chakra-space-3: 0.75rem;
  --chakra-space-4: 1rem;
  --chakra-space-6: 1.5rem;
  --chakra-space-8: 2rem;
  --chakra-space-10: 2.5rem;
  --chakra-space-12: 3rem;

  --chakra-radii-md: 0.375rem;
  --chakra-radii-lg: 0.5rem;

  --chakra-shadows-md:
    0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --chakra-shadows-lg:
    0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu",
    "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.container {
  width: 100%;
  max-width: 400px;
  padding: var(--chakra-space-4);
}

.card {
  background: white;
  border-radius: var(--chakra-radii-lg);
  box-shadow: var(--chakra-shadows-lg);
  padding: var(--chakra-space-8);
}

.card-header {
  margin-bottom: var(--chakra-space-8);
  text-align: center;
}

.card-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--chakra-colors-gray-800);
  margin-bottom: var(--chakra-space-2);
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--chakra-colors-gray-600);
}

.form-group {
  margin-bottom: var(--chakra-space-6);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--chakra-colors-gray-700);
  margin-bottom: var(--chakra-space-2);
}

.form-input {
  width: 100%;
  padding: var(--chakra-space-3);
  border: 1px solid var(--chakra-colors-gray-300);
  border-radius: var(--chakra-radii-md);
  font-size: 1rem;
  transition: all 0.2s;
  outline: none;
}

.form-input:focus {
  border-color: var(--chakra-colors-blue-500);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.form-input:disabled {
  background-color: var(--chakra-colors-gray-100);
  cursor: not-allowed;
}

.password-wrapper {
  position: relative;
}

.password-toggle {
  position: absolute;
  right: var(--chakra-space-3);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  color: var(--chakra-colors-gray-500);
  padding: var(--chakra-space-2);
  display: flex;
  align-items: center;
}

.password-toggle:hover {
  color: var(--chakra-colors-gray-700);
}

.btn {
  width: 100%;
  padding: var(--chakra-space-3);
  border: none;
  border-radius: var(--chakra-radii-md);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--chakra-space-2);
}

.btn-primary {
  background-color: var(--chakra-colors-blue-500);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background-color: var(--chakra-colors-blue-600);
  transform: translateY(-1px);
  box-shadow: var(--chakra-shadows-md);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.alert {
  padding: var(--chakra-space-4);
  border-radius: var(--chakra-radii-md);
  margin-bottom: var(--chakra-space-6);
  font-size: 0.875rem;
}

.alert-error {
  background-color: #fee;
  color: var(--chakra-colors-red-600);
  border: 1px solid var(--chakra-colors-red-500);
}

.alert-success {
  background-color: #efe;
  color: #2e7d32;
  border: 1px solid #4caf50;
}

.icon {
  width: 1rem;
  height: 1rem;
}

.form-footer {
  margin-top: var(--chakra-space-6);
  text-align: center;
  font-size: 0.875rem;
  color: var(--chakra-colors-gray-600);
}

.link {
  color: var(--chakra-colors-blue-500);
  text-decoration: none;
  font-weight: 500;
}

.link:hover {
  color: var(--chakra-colors-blue-600);
  text-decoration: underline;
}