/**
 * Aurora Theme Styles
 * Cinematic northern lights with starfield and silhouettes
 */

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

.theme-aurora {
  background-color: var(--aurora-bg, #01040a);
  background-image: 
    radial-gradient(circle at 50% 100%, rgba(10, 30, 60, 0.5) 0%, transparent 70%);
  font-family: 'Plus Jakarta Sans', sans-serif;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Starfield */
.theme-aurora .aurora-stars {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 1;
  pointer-events: none;
}

/* Mountains Silhouette */
.theme-aurora .aurora-mountains {
  position: absolute;
  bottom: -20px;
  left: 0;
  width: 100%;
  height: 25%;
  z-index: 5;
  fill: #000;
  filter: drop-shadow(0 -10px 20px rgba(0,0,0,0.8));
  pointer-events: none;
}

/* Aurora Canvas - Behind text, above stars */
.theme-aurora .aurora-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
  filter: blur(2px);
  opacity: 0.8;
}

/* Text Container */
.theme-aurora .aurora-content {
  z-index: 10;
  position: relative;
  text-align: center;
}

/* SIGN mode text */
.theme-aurora .aurora-sign-text {
  color: #fff;
  font-weight: 300;
  white-space: nowrap;
  user-select: none;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.5),
    0 0 30px var(--aurora-color, rgba(100, 255, 200, 0.3)),
    0 0 60px var(--aurora-color, rgba(100, 255, 200, 0.1));
  animation: aurora-text-glow 8s ease-in-out infinite alternate;
}

@keyframes aurora-text-glow {
  from { opacity: 0.85; transform: translateY(0); }
  to { opacity: 1; transform: translateY(-5px); }
}

/* FLOW mode */
.theme-aurora .aurora-flow-track {
  display: flex;
  align-items: center;
  white-space: nowrap;
  will-change: transform;
}

.theme-aurora .aurora-flow-text {
  color: #fff;
  font-weight: 300;
  white-space: nowrap;
  padding: 0 0.5em;
  user-select: none;
  flex-shrink: 0;
  line-height: 1;
  text-transform: uppercase;
  text-shadow:
    0 0 10px rgba(255, 255, 255, 0.5),
    0 0 30px var(--aurora-color, rgba(100, 255, 200, 0.3));
}