:root {
  color-scheme: dark;
  font-family: 'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; }

body {
  max-width: 1150px !important;
  margin: 35px auto !important;
  padding: 30px !important;
  min-height: 100vh;
  color: #f1f5ff !important;
  background:
    radial-gradient(ellipse at 12% 10%, #303d82 0%, transparent 42%),
    radial-gradient(ellipse at 90% 80%, #143c54 0%, transparent 42%),
    #090f20 !important;
  font-family: 'Segoe UI', Arial, sans-serif !important;
}

h1 {
  font-size: clamp(27px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -1px;
  color: #ffffff !important;
  text-shadow: 0 0 30px #818cf855;
}

h2 {
  color: #b6c3ff !important;
  font-size: 23px;
}

body > div,
body > form,
body > p {
  animation: aparecer .5s ease both;
}

body > div {
  background: rgba(22, 32, 58, .88);
  border: 1px solid rgba(157, 174, 255, .15) !important;
  border-radius: 18px;
  padding: 22px !important;
  margin: 16px 0;
  box-shadow: 0 12px 35px #00000035;
  transition: transform .2s ease, border-color .2s ease;
}

body > div:hover {
  transform: translateY(-2px);
  border-color: #818cf866 !important;
}

input, textarea {
  background: #0d1730 !important;
  border: 1px solid #354366 !important;
  color: white !important;
  border-radius: 12px;
  padding: 13px !important;
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

input:focus, textarea:focus {
  border-color: #8b9aff !important;
  box-shadow: 0 0 0 3px #818cf822;
}

textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
}

button {
  background: linear-gradient(135deg,#7777ff,#4b8dff) !important;
  border: none !important;
  border-radius: 11px !important;
  padding: 12px 22px !important;
  color: white !important;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  box-shadow: 0 5px 18px #6366f133;
  transition: transform .2s, box-shadow .2s;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px #6366f166;
}

audio {
  display: block;
  width: 100%;
  max-width: 440px;
  margin: 15px 0;
  border-radius: 30px;
}

small { color: #9aaaca; }

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

@media (max-width: 600px) {
  body { margin: 0 !important; padding: 16px !important; }
  body > div { padding: 15px !important; }
  h1 { font-size: 27px; }
}

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