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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  height: 100vh;
  overflow: hidden;
  background: #f6f9fc;
}

.login-container {
  display: flex;
  height: 100vh;
  width: 100%;
}

/* ===== LADO IZQUIERDO (Branding) ===== */
.login-left {
  flex: 1;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.login-left::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

.branding-content {
  position: relative;
  z-index: 1;
  color: white;
  max-width: 500px;
  text-align: center;
}

.logo-container {
  width: 100px;
  height: 100px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.logo-container i {
  font-size: 3rem;
  color: white;
}

.branding-content h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.branding-content > p {
  font-size: 1.15rem;
  opacity: 0.95;
  margin-bottom: 3rem;
  line-height: 1.6;
}

.features {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  text-align: left;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.05rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 1rem 1.5rem;
  border-radius: 12px;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, background 0.3s ease;
}

.feature-item:hover {
  transform: translateX(10px);
  background: rgba(255, 255, 255, 0.15);
}

.feature-item i {
  font-size: 1.5rem;
  color: #90EE90;
}

/* ===== LADO DERECHO (Formulario) ===== */
.login-right {
  flex: 1;
  background: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow-y: auto;
}

.login-form-container {
  width: 100%;
  max-width: 450px;
  padding: 2rem;
}

.login-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-header h2 {
  font-size: 2rem;
  font-weight: 700;
  color: #1a202c;
  margin-bottom: 0.5rem;
}

.login-header p {
  font-size: 1rem;
  color: #718096;
}

/* ===== FORMULARIO ===== */
.login-form {
  width: 100%;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: #2d3748;
  font-weight: 500;
  font-size: 0.95rem;
}

.form-label i {
  margin-right: 0.5rem;
  color: #667eea;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1rem;
  font-size: 1rem;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  transition: all 0.3s ease;
  background: #f8fafc;
}

.form-control:focus {
  outline: none;
  border-color: #667eea;
  background: white;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Password Toggle */
.password-input-wrapper {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  background: transparent;
  border: none;
  color: #718096;
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

.toggle-password:hover {
  color: #667eea;
}

/* Form Options */
.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: 0.9rem;
}

.form-check-label {
  color: #4a5568;
  cursor: pointer;
}

.forgot-password {
  color: #667eea;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

.forgot-password:hover {
  color: #5a67d8;
  text-decoration: underline;
}

/* Botón de Login */
.btn-login {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

/* Divider */
.divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
}

.divider::before,
.divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 42%;
  height: 1px;
  background: #e2e8f0;
}

.divider::before { left: 0; }
.divider::after { right: 0; }

.divider span {
  background: white;
  padding: 0 1rem;
  color: #718096;
  font-size: 0.9rem;
}

/* Social Login */
.social-login {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.btn-social {
  flex: 1;
  padding: 0.85rem;
  font-size: 0.95rem;
  font-weight: 500;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  background: white;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-social:hover {
  border-color: #cbd5e0;
  background: #f8fafc;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.btn-google i { color: #db4437; }
.btn-microsoft i { color: #00a4ef; }

/* Signup Link */
.signup-link {
  text-align: center;
  color: #4a5568;
  font-size: 0.95rem;
}

.signup-link a {
  color: #667eea;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.3s ease;
}

.signup-link a:hover {
  color: #5a67d8;
  text-decoration: underline;
}

/* Footer */
.login-footer {
  position: absolute;
  bottom: 1rem;
  text-align: center;
  color: #a0aec0;
  font-size: 0.85rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
  .login-left {
    display: none;
  }
  
  .login-right {
    flex: 1;
  }
}

@media (max-width: 576px) {
  .login-form-container {
    padding: 1rem;
  }
  
  .login-header h2 {
    font-size: 1.6rem;
  }
  
  .social-login {
    flex-direction: column;
  }
  
  .form-options {
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-start;
  }
}

@media (max-height: 700px) {
  .login-right {
    overflow-y: auto;
  }
  
  .branding-content h1 {
    font-size: 2rem;
  }
  
  .features {
    display: none;
  }
}