/* ============================================
   SPRINKLES' COSMIC DREAMSCAPE
   main.css — shared styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=VT323&family=Share+Tech+Mono&family=Orbitron:wght@400;700&display=swap');

/* ---- VARIABLES ---- */
:root {
  --deep-space:    #04030a;
  --void:          #080618;
  --nebula-purple: #3d1f6b;
  --nebula-blue:   #1a1a4e;
  --star-white:    #e8e4f0;
  --muted-pink:    #c9a7c8;
  --muted-teal:    #7ecec4;
  --iridescent-1:  #b8a9e8;
  --iridescent-2:  #a8d8c8;
  --glitch-red:    #ff2d55;
  --glitch-cyan:   #00e5ff;
  --glitch-green:  #39ff14;
  --scanline-alpha: 0.04;
  --font-mono:     'Share Tech Mono', 'Courier New', monospace;
  --font-vt:       'VT323', monospace;
  --font-orbit:    'Orbitron', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--deep-space);
  color: var(--star-white);
  font-family: var(--font-mono);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ---- SCANLINE OVERLAY ---- */
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,var(--scanline-alpha)) 2px,
    rgba(0,0,0,var(--scanline-alpha)) 4px
  );
  animation: scanline-drift 12s linear infinite;
}

@keyframes scanline-drift {
  0%   { background-position: 0 0; }
  100% { background-position: 0 100vh; }
}

/* ---- STARFIELD CANVAS ---- */
#starfield-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* ---- MAIN CONTENT WRAPPER ---- */
.page-wrapper {
  position: relative;
  z-index: 10;
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ---- NAVIGATION ---- */
nav.cosmic-nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0.75rem 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
  background: linear-gradient(
    180deg,
    rgba(4,3,10,0.95) 0%,
    rgba(4,3,10,0.0) 100%
  );
  border-bottom: 1px solid rgba(184, 169, 232, 0.15);
}

nav.cosmic-nav .nav-logo {
  font-family: var(--font-vt);
  font-size: 1.6rem;
  color: var(--iridescent-1);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-shadow:
    0 0 8px var(--iridescent-1),
    2px 0 0 rgba(255,45,85,0.4),
    -2px 0 0 rgba(0,229,255,0.4);
  animation: logo-glitch 8s infinite;
}

@keyframes logo-glitch {
  0%, 90%, 100% {
    text-shadow:
      0 0 8px var(--iridescent-1),
      2px 0 0 rgba(255,45,85,0.4),
      -2px 0 0 rgba(0,229,255,0.4);
    transform: translateX(0);
  }
  92% {
    text-shadow:
      0 0 8px var(--iridescent-1),
      6px 0 0 rgba(255,45,85,0.7),
      -6px 0 0 rgba(0,229,255,0.7);
    transform: translateX(-3px);
  }
  94% {
    transform: translateX(3px);
  }
  96% {
    transform: translateX(0);
  }
}

nav.cosmic-nav a {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-pink);
  text-decoration: none;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  transition: color 0.2s, text-shadow 0.2s;
  position: relative;
}

nav.cosmic-nav a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 1px;
  background: var(--muted-teal);
  transition: width 0.3s;
}

nav.cosmic-nav a:hover {
  color: var(--muted-teal);
  text-shadow: 0 0 10px var(--muted-teal);
}

nav.cosmic-nav a:hover::after { width: 100%; }

/* ---- PAGE HEADER ---- */
.page-header {
  padding-top: 6rem;
  margin-bottom: 3rem;
  text-align: center;
}

.page-title {
  font-family: var(--font-vt);
  font-size: clamp(2.5rem, 8vw, 5rem);
  color: var(--iridescent-1);
  line-height: 1;
  letter-spacing: 0.05em;
  position: relative;
  display: inline-block;
}

.page-title.glitch {
  animation: text-glitch 6s infinite;
}

@keyframes text-glitch {
  0%, 85%, 100% {
    clip-path: none;
    transform: translateX(0);
    text-shadow: 0 0 20px rgba(184,169,232,0.6);
  }
  87% {
    clip-path: polygon(0 20%, 100% 20%, 100% 40%, 0 40%);
    transform: translateX(-6px);
    text-shadow:
      4px 0 var(--glitch-red),
      -4px 0 var(--glitch-cyan);
  }
  89% {
    clip-path: polygon(0 60%, 100% 60%, 100% 80%, 0 80%);
    transform: translateX(6px);
  }
  91% {
    clip-path: none;
    transform: translateX(0);
  }
}

.page-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted-teal);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-top: 0.5rem;
  opacity: 0.7;
}

/* ---- CHROMATIC ABERRATION UTILITY ---- */
.chroma {
  position: relative;
}
.chroma::before,
.chroma::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
}
.chroma::before {
  color: var(--glitch-red);
  left: 2px;
  opacity: 0.5;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}
.chroma::after {
  color: var(--glitch-cyan);
  left: -2px;
  opacity: 0.5;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

/* ---- CONTENT PANELS ---- */
.panel {
  background: rgba(13, 9, 30, 0.75);
  border: 1px solid rgba(184,169,232,0.15);
  border-radius: 2px;
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
  backdrop-filter: blur(4px);
  position: relative;
  overflow: hidden;
}

.panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px; height: 100%;
  background: linear-gradient(180deg, var(--iridescent-1), var(--muted-teal));
  opacity: 0.6;
}

/* ---- TRANSMISSION HEADER (decorative label) ---- */
.transmission {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--glitch-green);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
  opacity: 0.8;
}

/* ---- GLITCH TEXT UTILITY ---- */
.glitch-text {
  position: relative;
  display: inline-block;
}
.glitch-text::before,
.glitch-text::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  opacity: 0;
}
.glitch-text:hover::before {
  color: var(--glitch-red);
  left: 2px; top: -1px;
  opacity: 0.7;
  animation: glitch-before 0.3s steps(2) infinite;
}
.glitch-text:hover::after {
  color: var(--glitch-cyan);
  left: -2px; top: 1px;
  opacity: 0.7;
  animation: glitch-after 0.3s steps(2) 0.1s infinite;
}
@keyframes glitch-before {
  0%   { clip-path: polygon(0 0, 100% 0, 100% 33%, 0 33%); }
  50%  { clip-path: polygon(0 44%, 100% 44%, 100% 66%, 0 66%); }
  100% { clip-path: polygon(0 75%, 100% 75%, 100% 100%, 0 100%); }
}
@keyframes glitch-after {
  0%   { clip-path: polygon(0 50%, 100% 50%, 100% 75%, 0 75%); }
  50%  { clip-path: polygon(0 10%, 100% 10%, 100% 30%, 0 30%); }
  100% { clip-path: polygon(0 80%, 100% 80%, 100% 100%, 0 100%); }
}

/* ---- SPRINKLES TEXTURE (CSS-generated) ---- */
.sprinkles-bg {
  position: relative;
}
.sprinkles-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle 2px at 10% 20%, rgba(200,167,200,0.4) 0%, transparent 100%),
    radial-gradient(circle 1px at 30% 70%, rgba(126,206,196,0.3) 0%, transparent 100%),
    radial-gradient(circle 2px at 55% 15%, rgba(184,169,232,0.4) 0%, transparent 100%),
    radial-gradient(circle 1px at 70% 55%, rgba(255,45,85,0.2)  0%, transparent 100%),
    radial-gradient(circle 2px at 85% 30%, rgba(0,229,255,0.3)  0%, transparent 100%),
    radial-gradient(circle 1px at 20% 85%, rgba(57,255,20,0.2)  0%, transparent 100%),
    radial-gradient(circle 2px at 90% 80%, rgba(200,167,200,0.4) 0%, transparent 100%),
    radial-gradient(circle 1px at 45% 45%, rgba(184,169,232,0.3) 0%, transparent 100%);
}

/* ---- FLICKER ANIMATION ---- */
@keyframes flicker {
  0%, 19%, 21%, 23%, 25%, 54%, 56%, 100% { opacity: 1; }
  20%, 24%, 55% { opacity: 0.4; }
}

.flicker { animation: flicker 3s infinite; }

/* ---- PIXEL BORDER UTILITY ---- */
.pixel-border {
  box-shadow:
    0 0 0 2px var(--deep-space),
    0 0 0 3px var(--iridescent-1),
    0 0 0 5px var(--deep-space),
    0 0 0 6px rgba(184,169,232,0.3);
}

/* ---- BUTTONS ---- */
.btn-cosmic {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted-teal);
  background: transparent;
  border: 1px solid var(--muted-teal);
  padding: 0.5rem 1.25rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  position: relative;
  overflow: hidden;
}
.btn-cosmic::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: rgba(126,206,196,0.1);
  transition: left 0.3s;
}
.btn-cosmic:hover { color: var(--deep-space); background: var(--muted-teal); }
.btn-cosmic:hover::before { left: 0; }

/* ---- DIVIDER ---- */
.cosmic-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--nebula-purple) 20%,
    var(--iridescent-1) 50%,
    var(--nebula-purple) 80%,
    transparent 100%
  );
  margin: 2rem 0;
  position: relative;
}
.cosmic-divider::after {
  content: '✦';
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--deep-space);
  color: var(--iridescent-1);
  padding: 0 0.5rem;
  font-size: 0.7rem;
}

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--void); }
::-webkit-scrollbar-thumb {
  background: var(--nebula-purple);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--iridescent-1); }

/* ---- FOOTER ---- */
footer.cosmic-footer {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 2rem;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: rgba(184,169,232,0.4);
  letter-spacing: 0.15em;
  border-top: 1px solid rgba(184,169,232,0.08);
  margin-top: 4rem;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 600px) {
  nav.cosmic-nav { gap: 1rem; padding: 0.75rem 1rem; }
  nav.cosmic-nav .nav-logo { font-size: 1.2rem; }
  .page-wrapper { padding: 1rem; }
}