:root {
  /* Colores de Minca */
  --minca-yellow: #FFD166;
  --minca-peach: #FFAB91;
  --minca-pink: #F48FB1;
  --minca-purple: #CE93D8;
  
  /* Colores neutros */
  --white: #FFFFFF;
  --black: #1a1a1a;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Gradiente principal */
  --gradient: linear-gradient(135deg, var(--minca-yellow) 0%, var(--minca-peach) 50%, var(--minca-pink) 100%);
  
  /* Sombras */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

/* Container */
.auth-container {
  width: 100%;
  max-width: 420px;
  animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Auth Box */
.auth-box {
  background: var(--white);
  border-radius: 16px;
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
}

/* Logo */
.logo {
    text-align: center;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.logo .logo-img {
    height: 40px;
    width: auto;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #333;
    margin: 0;
}

/* Títulos */
h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--gray-900);
  text-align: center;
  margin-bottom: 0.5rem;
}

.subtitle {
  text-align: center;
  color: var(--gray-500);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}

/* Mensajes */
.message {
  padding: 0.875rem 1rem;
  border-radius: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
  font-weight: 500;
}

.message.error {
  background: #FEE2E2;
  color: #991B1B;
  border: 1px solid #FCA5A5;
}

.message.success {
  background: #D1FAE5;
  color: #065F46;
  border: 1px solid #6EE7B7;
}

/* Form */
.form-group {
  margin-bottom: 1.25rem;
}

label {
  display: block;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: 0.5rem;
}

input {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.2s ease;
  background: var(--white);
}

input:focus {
  outline: none;
  border-color: var(--minca-pink);
  box-shadow: 0 0 0 3px rgba(244, 143, 177, 0.1);
}

input::placeholder {
  color: var(--gray-400);
}

/* Form Footer */
.form-footer {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 1.5rem;
}

.forgot-link {
  font-size: 0.875rem;
  color: var(--minca-pink);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s ease;
}

.forgot-link:hover {
  color: var(--minca-purple);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 0.875rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient);
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Divider */
.divider {
  display: flex;
  align-items: center;
  text-align: center;
  margin: 1.5rem 0;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  border-bottom: 1px solid var(--gray-200);
}

.divider span {
  padding: 0 1rem;
  color: var(--gray-500);
  font-size: 0.875rem;
}

/* Google Button */
.btn-google {
  width: 100%;
  padding: 0.875rem;
  border: 1.5px solid var(--gray-300);
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--gray-700);
  background: var(--white);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.btn-google:hover {
  background: var(--gray-50);
  border-color: var(--gray-400);
}

.btn-google svg {
  flex-shrink: 0;
}

/* Switch Link */
.switch-link {
  text-align: center;
  margin-top: 1.5rem;
  color: var(--gray-600);
  font-size: 0.9rem;
}

.switch-link a {
  color: var(--minca-pink);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s ease;
}

.switch-link a:hover {
  color: var(--minca-purple);
  text-decoration: underline;
}

/* Loading spinner */
.btn-primary.loading::after {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 8px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

/* Responsive */
@media (max-width: 480px) {
  .auth-box {
    padding: 2rem 1.5rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .logo h1 {
    font-size: 1.75rem;
  }
}