* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: linear-gradient(160deg, #123a6b 0%, #0a1c33 55%, #050d1c 100%);
  color: #fff;
  min-height: 100vh;
}
header {
  text-align: center;
  padding: 24px 16px 10px;
}
.logo { font-size: 1.4rem; font-weight: 800; letter-spacing: 1px; }
.sub { color: #8fc1ff; font-size: .85rem; margin-top: 4px; }
main { max-width: 560px; margin: 0 auto; padding: 12px 16px 60px; }
.card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 18px;
  backdrop-filter: blur(6px);
}
h2 { font-size: 1rem; color: #ffd28a; margin-bottom: 12px; }
textarea, input {
  width: 100%;
  background: rgba(0,0,0,.35);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 10px;
  color: #fff;
  font-size: .95rem;
  padding: 10px 12px;
  margin-bottom: 10px;
  font-family: inherit;
}
textarea:focus, input:focus { outline: none; border-color: #ff9900; }
label { display: block; font-size: .8rem; color: #8fc1ff; margin-bottom: 4px; }
button, .btn {
  display: inline-block;
  width: 100%;
  background: linear-gradient(180deg, #ffb340, #ff9900);
  color: #0a1c33;
  border: none;
  border-radius: 12px;
  padding: 12px 16px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .5; cursor: wait; }
.estado { margin-top: 10px; font-size: .85rem; min-height: 1.2em; }
.bloque { margin-bottom: 12px; font-size: .95rem; line-height: 1.5; }
.bloque ul { margin: 6px 0 0 18px; }
.edit {
  background: rgba(0,0,0,.35);
  border: 1px dashed rgba(255,255,255,.3);
  border-radius: 6px;
  padding: 2px 8px;
  display: inline-block;
  max-width: 100%;
}
.edit:focus { outline: none; border-color: #ff9900; background: rgba(255,153,0,.12); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: 10px; }
.vid { text-align: center; }
.vid video { width: 100%; border-radius: 10px; background: #000; }
.vid div { font-size: .7rem; color: #8fc1ff; margin-top: 4px; }
#resultado { margin-top: 14px; text-align: center; }
footer {
  text-align: center;
  color: #5a7ba0;
  font-size: .75rem;
  padding: 16px;
}