/* ============================================
   Cosmic UI - Lightweight Enhancements
   Loader, Scroll Progress, Section Transitions
   ============================================ */

/* ---------- Root Variables ---------- */
:root {
  --gold-sacred: #d4af37;
  --gold-light: #f4e4bc;
}

/* ============================================
   LOADING ANIMATION
   ============================================ */

.cosmic-loader {
  position: fixed;
  inset: 0;
  background: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}

.cosmic-loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.cosmic-loader__symbol {
  width: 100px;
  height: 100px;
  position: relative;
}

.cosmic-loader__ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-accent);
  border-radius: 50%;
  animation: loaderSpin 2s linear infinite;
}

.cosmic-loader__ring:nth-child(2) {
  inset: 10px;
  animation-duration: 1.5s;
  animation-direction: reverse;
}

.cosmic-loader__ring:nth-child(3) {
  inset: 20px;
  animation-duration: 1s;
}

.cosmic-loader__center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  background: var(--color-accent);
  border-radius: 50%;
  animation: loaderPulse 1s ease-in-out infinite;
}

@keyframes loaderSpin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes loaderPulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
  50% { transform: translate(-50%, -50%) scale(0.8); opacity: 0.5; }
}

/* ============================================
   SCROLL PROGRESS
   ============================================ */

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg,
    var(--color-accent),
    var(--color-accent-light),
    var(--color-accent));
  z-index: 9999;
  transform-origin: left;
  transform: scaleX(0);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
  .cosmic-loader,
  .scroll-progress {
    display: none !important;
  }
}