/* Fuji AI Custom Skin & Modern Styling */
:root {
  --fuji-primary: #4f46e5;
  --fuji-primary-hover: #4338ca;
  --fuji-gradient: linear-gradient(135deg, #3b82f6 0%, #6366f1 50%, #8b5cf6 100%);
  --fuji-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}

/* Sleek frosted glass navigation header */
header, .semi-navigation, .semi-navigation-header {
  backdrop-filter: blur(14px) !important;
  background: rgba(255, 255, 255, 0.88) !important;
  border-bottom: 1px solid rgba(226, 232, 240, 0.85) !important;
}

body[theme-mode="dark"] header, 
body[theme-mode="dark"] .semi-navigation {
  background: rgba(15, 23, 42, 0.9) !important;
  border-bottom: 1px solid rgba(51, 65, 85, 0.8) !important;
}

/* Primary buttons with Fuji Gradient */
.semi-button-primary, button[type="submit"] {
  background: var(--fuji-gradient) !important;
  border: none !important;
  box-shadow: var(--fuji-shadow) !important;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
}

.semi-button-primary:hover, button[type="submit"]:hover {
  opacity: 0.94 !important;
  transform: translateY(-1.5px) !important;
  box-shadow: 0 6px 25px rgba(99, 102, 241, 0.5) !important;
}

/* Cards & containers rounding and shadow */
.semi-card {
  border-radius: 12px !important;
  border: 1px solid rgba(226, 232, 240, 0.7) !important;
  transition: transform 0.2s ease, box-shadow 0.2s ease !important;
}

.semi-card:hover {
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04) !important;
}

/* Smooth badge styling */
.semi-tag {
  border-radius: 6px !important;
  font-weight: 500 !important;
}

/* Login/Registration Card Enhancement */
.login-box, .register-box {
  border-radius: 16px !important;
  box-shadow: 0 20px 45px -10px rgba(99, 102, 241, 0.18) !important;
}