nebula/src/app/globals.css

@import "tailwindcss";
@import "./components.css";

/* ─────────────────────────────────────────────────────────────
   Nebula – Designsystem
   Dark Glassmorphism mit Neon-Akzenten.

   Hier stehen Theme-Variablen, Grundlayout und Hintergrund.
   Die wiederverwendbaren Bausteine (.glass, .btn, .field …) liegen in
   components.css, damit sie in @layer components landen und Tailwind-
   Utilities sie ueberschreiben koennen.
   ───────────────────────────────────────────────────────────── */

@theme {
  --color-void: #05060f;
  --color-void-soft: #0a0c1a;
  --color-haze: #12142b;

  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-mono: ui-monospace, "Cascadia Code", "Source Code Pro", Menlo,
    Consolas, "DejaVu Sans Mono", monospace;

  --radius-card: 1.25rem;
}

:root {
  color-scheme: dark;
  --glass-bg: rgba(255, 255, 255, 0.035);
  --glass-border: rgba(255, 255, 255, 0.09);
  --glass-highlight: rgba(255, 255, 255, 0.16);
}

@layer base {
  * {
    border-color: var(--glass-border);
  }

  html,
  body {
    min-height: 100%;
  }

  body {
    background-color: var(--color-void);
    color: #e6e8f5;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
  }

  ::selection {
    background: rgba(139, 92, 246, 0.35);
    color: #fff;
  }

  ::-webkit-scrollbar {
    width: 10px;
    height: 10px;
  }

  ::-webkit-scrollbar-track {
    background: transparent;
  }

  ::-webkit-scrollbar-thumb {
    background: rgba(148, 163, 184, 0.22);
    border-radius: 9999px;
    border: 2px solid transparent;
    background-clip: content-box;
  }

  ::-webkit-scrollbar-thumb:hover {
    background: rgba(167, 139, 250, 0.5);
    background-clip: content-box;
  }
}

/* ── Hintergrund: langsam driftende Nebel ───────────────────── */

.aurora {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.aurora::after {
  /* feines Rauschen, damit die Verlaeufe nicht bandieren */
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image: radial-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 3px 3px;
  mix-blend-mode: overlay;
}

.aurora-blob {
  position: absolute;
  border-radius: 9999px;
  filter: blur(90px);
  opacity: 0.5;
  will-change: transform;
}

.aurora-blob--one {
  width: 46rem;
  height: 46rem;
  top: -18rem;
  left: -12rem;
  background: radial-gradient(circle at 30% 30%, #7c3aed, transparent 65%);
  animation: drift-a 26s ease-in-out infinite alternate;
}

.aurora-blob--two {
  width: 40rem;
  height: 40rem;
  top: -10rem;
  right: -14rem;
  background: radial-gradient(circle at 60% 40%, #0ea5e9, transparent 65%);
  animation: drift-b 32s ease-in-out infinite alternate;
}

.aurora-blob--three {
  width: 38rem;
  height: 38rem;
  bottom: -20rem;
  left: 28%;
  background: radial-gradient(circle at 50% 50%, #db2777, transparent 68%);
  animation: drift-c 38s ease-in-out infinite alternate;
  opacity: 0.35;
}

.aurora-grid {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, #000 40%, transparent 100%);
}

@keyframes drift-a {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(6rem, 4rem, 0) scale(1.12); }
}
@keyframes drift-b {
  from { transform: translate3d(0, 0, 0) scale(1.05); }
  to { transform: translate3d(-7rem, 5rem, 0) scale(0.95); }
}
@keyframes drift-c {
  from { transform: translate3d(0, 0, 0) scale(0.95); }
  to { transform: translate3d(4rem, -6rem, 0) scale(1.1); }
}

/* ── Bewegung & Effekte ─────────────────────────────────────── */

.shimmer {
  background: linear-gradient(
    100deg,
    rgba(255, 255, 255, 0) 20%,
    rgba(255, 255, 255, 0.12) 50%,
    rgba(255, 255, 255, 0) 80%
  );
  background-size: 200% 100%;
  animation: shimmer 2.2s linear infinite;
}

@keyframes shimmer {
  from { background-position: 200% 0; }
  to { background-position: -200% 0; }
}

.fade-up {
  animation: fade-up 0.45s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes fade-up {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.pulse-ring {
  animation: pulse-ring 2.4s ease-out infinite;
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 currentColor; opacity: 0.7; }
  70% { box-shadow: 0 0 0 8px transparent; opacity: 0; }
  100% { box-shadow: 0 0 0 0 transparent; opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}