.dcu-resource { margin: 2.2rem 0 2.6rem; }
.dcu-resource-card {
  position: relative;
  background: #10192b;
  border: 1px solid #243049;
  border-radius: 18px;
  padding: 1.5rem 1.5rem 1.7rem;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
}
.dcu-resource-title { margin: 0 0 0.35rem; color: #F4F7FB; font-size: 1.35rem; }
.dcu-resource-lede { margin: 0 0 1.1rem; color: #C9D3E0; }
.dcu-resource-field { margin-bottom: 0.9rem; }
.dcu-resource-field label,
.dcu-resource-letter-label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.3rem;
  color: #F4F7FB;
}
.dcu-resource-field input[type="text"],
.dcu-resource-field input[type="email"],
.dcu-resource-field input[type="tel"],
.dcu-resource-letter {
  width: 100%;
  background: #070B14;
  color: #F4F7FB;
  border: 1px solid #243049;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  font: 1rem/1.4 "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
}
.dcu-resource-letter {
  min-height: 22rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.88rem;
  line-height: 1.45;
  resize: vertical;
}
.dcu-resource-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.8rem; }
.dcu-resource-check {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.6rem;
  align-items: start;
  margin: 0.4rem 0 1rem;
}
.dcu-resource-check input { width: 1.15rem; height: 1.15rem; margin-top: 0.3rem; }
.dcu-resource-check label { margin: 0; font-weight: 400; color: #C9D3E0; }
.dcu-resource-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 0.4rem; }
.dcu-resource-submit,
.dcu-resource-copy,
.dcu-resource-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 10px;
  padding: 0.75rem 1.15rem;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
}
.dcu-resource-submit,
.dcu-resource-copy {
  background: #A4CC00;
  color: #1a2400;
}
.dcu-resource-download {
  background: #162036;
  color: #F4F7FB;
  border: 1px solid #243049;
}
.dcu-resource-submit:disabled { opacity: 0.65; cursor: wait; }
.dcu-required { color: #A4CC00; }
.dcu-optional { color: #C9D3E0; font-weight: 400; font-size: 0.9em; }
.dcu-resource-hp {
  position: absolute;
  left: -9999px;
  height: 0;
  overflow: hidden;
}
.dcu-resource-status {
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  margin-bottom: 0.9rem;
  font-weight: 500;
}
.dcu-resource-status.is-error { background: #3a1a1a; color: #ff8a8a; border: 1px solid #6a2a2a; }
.dcu-resource-status.is-ok { background: #1d2a10; color: #b6e35a; border: 1px solid #3d5a18; }
.dcu-resource-disclaimer {
  background: #002D5B;
  border: 1px solid #243049;
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}
.dcu-resource-disclaimer p { color: #C9D3E0; margin: 0 0 0.5rem; }
.dcu-resource-disclaimer p:last-child { margin-bottom: 0; }
.dcu-resource-disclaimer-kicker {
  color: #A4CC00 !important;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.78rem;
}
.dcu-resource-copy-hint { color: #C9D3E0; font-size: 0.9rem; }
@media (max-width: 640px) {
  .dcu-resource-row { grid-template-columns: 1fr; }
}