:root {
  --bg-top: #1d8348;
  --bg-mid: #0f5f33;
  --bg-bottom: #093620;
  --card-bg: rgba(8, 20, 14, 0.7);
  --card-border: rgba(190, 255, 90, 0.3);
  --text-main: #f4ffe8;
  --text-soft: #c8e9bf;
  --accent: #d8ff4f;
  --accent-2: #9ce83c;
  --shadow: 0 24px 60px rgba(4, 15, 9, 0.48);
}

* {
  box-sizing: border-box;
}

body {
  display: block;
  min-height: 100vh;
  margin: 0;
  padding: 1.25rem;
  font-family: system-ui, -apple-system, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background:
    radial-gradient(circle at 15% 20%, rgba(216, 255, 79, 0.24), transparent 34%),
    radial-gradient(circle at 82% 88%, rgba(156, 232, 60, 0.2), transparent 34%),
    linear-gradient(165deg, var(--bg-top) 0%, var(--bg-mid) 55%, var(--bg-bottom) 100%);
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-soft);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.2s ease;
}
.back-link:hover { color: var(--accent); }
.back-link:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 0.2em; }

@keyframes card-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes spin { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}

@media (max-width: 480px) {
  .card {
    padding: 1.35rem 1.1rem 1.2rem;
    border-radius: 1.05rem;
  }
  h1 {
    font-size: 1.5rem;
  }
}