@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* --- VARIABLES GLOBALES --- */
:root {
  --text-primary: #1D2A3E;
  --text-secondary: #5A6474;
  --primary-color: #6C63FF;
  --background-gradient: linear-gradient(135deg, #f0f8f7 0%, #eef2ff 100%);
  --card-background: #ffffff;
  --border-color: #e5e7eb;
  --success-color: #16a34a;
  --danger-color: #ef4444;
  --font-family: 'Poppins', sans-serif;
}

body {
  margin: 0;
  font-family: var(--font-family);
  background: var(--background-gradient);
  color: var(--text-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 1rem;
  box-sizing: border-box;
}

.back-to-home-btn {
  position: absolute;
  top: 1.5rem;
  left: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1rem;
  background-color: var(--card-background);
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transition: all 0.3s ease;
  z-index: 10;
}
.back-to-home-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
  color: var(--primary-color);
}
.back-to-home-btn svg {
  stroke: currentColor;
}


.auth-container {
  width: 100%;
  max-width: 450px;
}

.auth-card {
  background-color: var(--card-background);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  padding: 2.5rem;
}

.auth-header {
  text-align: center;
  margin-bottom: 2rem;
}
.logo-container {
  display: inline-block;
  margin-bottom: 1rem;
}
.logo {
  height: 50px;
}
.auth-header h2 {
  font-size: 1.5rem;
  margin: 0;
}

.auth-form .form-group {
  margin-bottom: 1.5rem;
}
.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
}
.form-group input {
  width: 100%;
  padding: 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  font-size: 1rem;
  box-sizing: border-box;
}

.btn {
  padding: 0.8rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  width: 100%;
  font-size: 1rem;
}
.btn-primary {
  background-color: var(--primary-color);
  color: white;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.4);
}

.message {
  text-align: center;
  margin: 1rem 0 0 0;
  padding: 0.75rem;
  border-radius: 8px;
  font-weight: 500;
  display: none; 
}
.message.success {
  display: block;
  background-color: #d1fae5;
  color: var(--success-color);
}
.message.error {
  display: block;
  background-color: #fee2e2;
  color: var(--danger-color);
}

.auth-footer {
  text-align: center;
  margin-top: 1.5rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.auth-footer a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
}
.auth-footer a:hover {
  text-decoration: underline;
}