/* Cyber / Tech Amber Design System */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'Fira Code', monospace;
  
  /* Cyber Dark Theme Colors */
  --bg-primary: #0a0d14;
  --bg-secondary: #0f1523;
  --bg-card: #131b2e;
  --bg-card-hover: #18233c;
  --border-color: #1e293b;
  --border-focus: #f59e0b;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-amber: #f59e0b;
  --accent-amber-light: #fbbf24;
  --accent-amber-dark: #d97706;
  --accent-amber-glow: rgba(245, 158, 11, 0.25);
  --accent-orange: #ea580c;
  --grid-color: rgba(245, 158, 11, 0.035);
}

.light-theme {
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #f8fafc;
  --border-color: #e2e8f0;
  --border-focus: #d97706;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #94a3b8;
  --accent-amber: #d97706;
  --accent-amber-light: #f59e0b;
  --accent-amber-dark: #b45309;
  --accent-amber-glow: rgba(217, 119, 6, 0.15);
  --accent-orange: #c2410c;
  --grid-color: rgba(217, 119, 6, 0.04);
}

* {
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  background-image: 
    linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
  background-size: 32px 32px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent-amber);
}

/* Cyber Glow & Card Effects */
.cyber-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.cyber-card:hover {
  border-color: rgba(245, 158, 11, 0.5);
  box-shadow: 0 10px 25px -5px var(--accent-amber-glow);
  transform: translateY(-2px);
}

.cyber-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-amber), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.cyber-card:hover::before {
  opacity: 1;
}

/* Neon Glow Outline */
.cyber-glow {
  box-shadow: 0 0 20px var(--accent-amber-glow);
}

.cyber-badge {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--accent-amber);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* Status Dot Pulse */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: #10b981;
  position: relative;
  display: inline-block;
}

.status-dot::after {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(16, 185, 129, 0.5);
  animation: pulse-dot 2s infinite ease-out;
}

@keyframes pulse-dot {
  0% { transform: scale(0.8); opacity: 0.8; }
  100% { transform: scale(2.2); opacity: 0; }
}

/* Active navigation link */
.nav-link.active {
  background: rgba(245, 158, 11, 0.12);
  border-left: 3px solid var(--accent-amber);
  color: var(--accent-amber) !important;
  font-weight: 600;
}

/* Button cyber styling */
.btn-cyber {
  position: relative;
  transition: all 0.2s ease;
  font-family: var(--font-sans);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.btn-cyber-primary {
  background: linear-gradient(135deg, #f59e0b, #ea580c);
  color: #090d16;
  border: 1px solid transparent;
}

.btn-cyber-primary:hover {
  background: linear-gradient(135deg, #fbbf24, #f97316);
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
  transform: translateY(-1px);
}

.btn-cyber-outline {
  background: transparent;
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.btn-cyber-outline:hover {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--accent-amber);
  color: var(--accent-amber-light);
}

/* Toast Container */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 380px;
  width: calc(100% - 48px);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 15px var(--accent-amber-glow);
  color: var(--text-primary);
  font-size: 0.875rem;
  animation: toast-in 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  transition: all 0.25s ease;
}

.toast.toast-leave {
  animation: toast-out 0.25s ease forwards;
}

.toast-amber {
  border-left: 4px solid var(--accent-amber);
}

.toast-success {
  border-left: 4px solid #10b981;
}

.toast-info {
  border-left: 4px solid #38bdf8;
}

.toast-error {
  border-left: 4px solid #ef4444;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toast-out {
  from {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  to {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }
}

/* Modal styling */
.modal-backdrop {
  backdrop-filter: blur(8px);
  background-color: rgba(5, 8, 15, 0.75);
}

/* Code badge / highlight */
.code-tag {
  background: rgba(245, 158, 11, 0.1);
  color: var(--accent-amber);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.85em;
}

/* Vertical Timeline */
.timeline-stem {
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 20px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-amber), var(--border-color));
}

@media (max-width: 640px) {
  .timeline-stem {
    left: 16px;
  }
}