/* ═══════════════════════════════════════════
   CYBERAXE LIFE WIKI — GLOBAL DESIGN SYSTEM
   Foundation: reset, variables, typography,
   animations, utilities, responsive
   ═══════════════════════════════════════════ */

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

:root {
  /* Backgrounds */
  --bg-void: #06060e;
  --bg-primary: #0a0a18;
  --bg-secondary: #0f0f22;
  --bg-card: #12122a;
  --bg-card-hover: #1a1a3a;
  --bg-glass: rgba(15, 15, 34, 0.85);
  --bg-sidebar: #0a0e20;
  --bg-hover: #162040;
  --bg-input: #080c18;

  /* Borders */
  --border: #1e1e44;
  --border-glow: #2a2a5a;
  --border-active: #2a4080;

  /* Text */
  --text-primary: #e0e0f0;
  --text-secondary: #9898c0;
  --text-muted: #6868a0;

  /* Accent colors */
  --accent-fire: #f0852d;
  --accent-electric: #4da6ff;
  --accent-lime: #4ade80;
  --accent-rose: #f472b6;
  --accent-gold: #fbbf24;
  --accent-violet: #a78bfa;
  --accent-teal: #2dd4bf;
  --accent-red: #f87171;

  /* Primary accent — context-dependent (hub = fire, branches override) */
  --accent: var(--accent-electric);
  --accent-dim: #2a6ab8;

  /* Fonts */
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --sidebar-width: 272px;
  --topbar-height: 52px;

  /* Accent RGB values for rgba() usage in glows/shadows */
  --accent-fire-rgb: 240, 133, 45;
  --accent-electric-rgb: 77, 166, 255;
  --accent-rgb: 77, 166, 255;

  /* Effects */
  --glow-fire: 0 0 20px rgba(var(--accent-fire-rgb), 0.3);
  --glow-electric: 0 0 20px rgba(var(--accent-electric-rgb), 0.3);
  --glow: 0 0 16px rgba(var(--accent-rgb), 0.2);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-med: 0.25s ease;
  --transition-slow: 0.4s ease;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg-void);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

/* ─── LINKS ─── */
a { color: var(--accent-electric); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--accent-fire); }

/* ─── FOCUS VISIBLE — keyboard navigation outlines ─── */
:focus-visible {
  outline: 2px solid var(--accent-fire);
  outline-offset: 2px;
}
:focus:not(:focus-visible) {
  outline: none;
}

/* ─── TYPOGRAPHY HELPERS ─── */
.section-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-fire);
  margin-bottom: 6px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 800;
  letter-spacing: 1px;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.section-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 640px;
  margin-bottom: 36px;
}

/* ─── SECTION CONTAINER ─── */
.wiki-section-wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 24px;
}

/* ─── DIVIDERS ─── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-glow), transparent);
  margin: 0 auto;
  max-width: 1200px;
}

/* ─── SELECTION ─── */
::selection {
  background: rgba(var(--accent-fire-rgb), 0.3);
  color: var(--text-primary);
}

/* ─── SCROLLBAR ─── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-glow); }
* { scrollbar-width: thin; scrollbar-color: var(--border) transparent; }

/* ─── LOADING SCREEN ─── */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--bg-void);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-logo {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--accent-fire);
  animation: loadingPulse 1.5s ease-in-out infinite;
}
.loading-sub {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 12px;
  letter-spacing: 2px;
}
@keyframes loadingPulse {
  0%, 100% { opacity: 0.4; transform: scale(0.98); }
  50% { opacity: 1; transform: scale(1); }
}

/* ─── VIEW MODE TRANSITIONS ─── */
.view-transition {
  animation: viewFadeIn 0.4s ease;
}
@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.reveal-stagger.visible > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.visible > *:nth-child(8) { transition-delay: 0.4s; }
.reveal-stagger.visible > *:nth-child(n+9) { transition-delay: 0.45s; }

/* ─── KEYFRAME ANIMATIONS ─── */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeSlideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 8px rgba(var(--accent-fire-rgb), 0.2); }
  50% { box-shadow: 0 0 24px rgba(var(--accent-fire-rgb), 0.5); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}
@keyframes countUp {
  from { opacity: 0; transform: scale(0.8); }
  to { opacity: 1; transform: scale(1); }
}
@keyframes spinSlow {
  to { transform: rotate(360deg); }
}
@keyframes livePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
@keyframes glowPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}
@keyframes borderGlow {
  0%, 100% { border-color: var(--border); }
  50% { border-color: var(--accent-fire); }
}

/* ─── TOOLTIP ─── */
.tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-glow);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  z-index: 50;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 6px solid transparent;
  border-top-color: var(--border-glow);
}
*:hover > .tooltip { opacity: 1; }

/* ─── UTILITY CLASSES ─── */
.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-to-content {
  position: absolute;
  top: -40px; left: 0;
  background: var(--accent-fire);
  color: #000;
  padding: 8px 16px;
  z-index: 10000;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  transition: top 0.2s;
}
.skip-to-content:focus { top: 0; }

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .section-title { font-size: clamp(18px, 5vw, 26px); }
  .wiki-section-wrap { padding: 40px 16px; }
}

@media (max-width: 480px) {
  body { font-size: 14px; }
  .wiki-section-wrap { padding: 32px 12px; }
}

/* ─── PREFERS REDUCED MOTION ─── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .reveal-stagger > * { opacity: 1; transform: none; }
}