html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* AI Analyze button — gradient with sparkle */
.btn-ai {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border: none;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.btn-ai:hover {
  background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
  color: white;
  transform: translateY(-1px);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}
.btn-ai:active {
  transform: translateY(0);
}
.btn-ai::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.15) 50%, transparent 60%);
  animation: aiShine 3s ease-in-out infinite;
}
@keyframes aiShine {
  0%, 100% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
}