@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --bg-space: #060913;
  --bg-card: rgba(14, 20, 36, 0.75);
  --border-card: rgba(255, 255, 255, 0.08);
  --primary-cyan: #06B6D4;
  --primary-violet: #8B5CF6;
  --primary-fuchsia: #D946EF;
  --accent-emerald: #10B981;
  --accent-amber: #F59E0B;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-space);
  color: #F1F5F9;
  overflow-x: hidden;
}

.font-mono {
  font-family: var(--font-mono);
}

/* Background Gradients & Grid */
.bg-grid-pattern {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

.bg-radial-hero {
  background: radial-gradient(circle at 50% 0%, rgba(139, 92, 246, 0.18) 0%, rgba(6, 182, 212, 0.12) 35%, transparent 70%);
}

.bg-radial-glow {
  background: radial-gradient(circle at center, rgba(139, 92, 246, 0.15) 0%, transparent 70%);
}

/* Glassmorphism Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-card);
}

.glass-card-hover {
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card-hover:hover {
  border-color: rgba(139, 92, 246, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px -10px rgba(139, 92, 246, 0.2);
}

/* Gradient Text */
.gradient-text-primary {
  background: linear-gradient(135deg, #FFFFFF 20%, #A5B4FC 60%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-accent {
  background: linear-gradient(135deg, #38BDF8 0%, #818CF8 50%, #C084FC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text-gold {
  background: linear-gradient(135deg, #FDE047 0%, #F59E0B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Glowing Border Effect */
.glow-border {
  position: relative;
}

.glow-border::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(56, 189, 248, 0.6), rgba(139, 92, 246, 0.6), rgba(236, 72, 153, 0.2));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Terminal step fade-in (respects reduced-motion preferences) */
@media (prefers-reduced-motion: no-preference) {
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .animate-fade-in {
    animation: fadeIn 0.3s ease-out both;
  }
}

/* Pulse / Animation utilities */
@keyframes pulseSubtle {
  0%, 100% { opacity: 0.9; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.05); }
}

.animate-pulse-subtle {
  animation: pulseSubtle 3s infinite ease-in-out;
}

@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.animate-float {
  animation: floatSlow 6s infinite ease-in-out;
}

/* Terminal & Simulator Styling */
.terminal-window {
  background: #080C17;
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
}

.terminal-header {
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.custom-scrollbar::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.custom-scrollbar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}

.custom-scrollbar::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 3px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Modal Overlay */
.modal-backdrop {
  background: rgba(4, 7, 15, 0.85);
  backdrop-filter: blur(8px);
}

/* Custom Range Input */
input[type="range"] {
  accent-color: #8B5CF6;
}

/* Tab button active indicator */
.tab-active {
  background: rgba(139, 92, 246, 0.18);
  border-color: rgba(139, 92, 246, 0.5);
  color: #FFFFFF;
}

/* Badge Glow */
.badge-glow {
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.25);
}