/**
 * Show Original Decoder — Blue Security Ops
 * Phishing Forensics course tool.
 */

.header-decoder {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  font-family: var(--font-sans);
  background: #fff;
}

.header-decoder__intro {
  margin: 0 0 1rem 0;
  color: #374151;
  font-size: 0.95rem;
  line-height: 1.5;
}

.header-decoder__samples {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.header-decoder__sample-btn {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  color: #374151;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.header-decoder__sample-btn:hover {
  background: var(--color-forensic-light);
  border-color: var(--color-forensic);
  color: var(--color-forensic-dark);
}

.header-decoder__textarea {
  width: 100%;
  min-height: 180px;
  resize: vertical;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  line-height: 1.45;
  box-sizing: border-box;
  background: #fafafa;
}

.header-decoder__textarea:focus {
  outline: none;
  border-color: var(--color-forensic);
  background: #fff;
}

.header-decoder__actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
  flex-wrap: wrap;
}

.header-decoder__btn {
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.header-decoder__btn--primary {
  background: var(--color-forensic);
  color: #fff;
}

.header-decoder__btn--primary:hover {
  background: var(--color-forensic-dark);
}

.header-decoder__btn--secondary {
  background: #fff;
  border-color: var(--color-border);
  color: #374151;
}

.header-decoder__btn--secondary:hover {
  border-color: #9ca3af;
  background: #f9fafb;
}

.header-decoder__output {
  display: none;
  margin-top: 1.25rem;
}

.header-decoder__output--visible {
  display: block;
}

.header-decoder__card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  background: #fff;
}

.header-decoder__card-title {
  margin: 0 0 0.75rem 0;
  font-size: 1.05rem;
  font-weight: 700;
  color: #111827;
}

.header-decoder__field {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 0.5rem 1rem;
  align-items: start;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--color-border);
}

.header-decoder__field:last-child {
  border-bottom: none;
}

.header-decoder__field-label {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: #4b5563;
}

.header-decoder__field-value {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  color: #111827;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.header-decoder__field-note {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: #6b7280;
  font-style: italic;
  margin-top: 0.25rem;
}

.header-decoder__auth {
  display: grid;
  gap: 0.5rem;
}

.header-decoder__auth-row {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.5rem 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 0.9rem;
}

.header-decoder__auth-row:last-child {
  border-bottom: none;
}

.header-decoder__badge {
  display: inline-block;
  padding: 0.15rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.header-decoder__badge--pass {
  background: #dcfce7;
  color: #166534;
}

.header-decoder__badge--fail {
  background: #fee2e2;
  color: #991b1b;
}

.header-decoder__badge--missing {
  background: #e5e7eb;
  color: #4b5563;
}

.header-decoder__badge--softfail {
  background: #fef3c7;
  color: #92400e;
}

.header-decoder__badge--neutral {
  background: #e0e7ff;
  color: #3730a3;
}

.header-decoder__badge--none {
  background: #e5e7eb;
  color: #4b5563;
}

.header-decoder__flags {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  background: #fff;
}

.header-decoder__flags--none {
  border-left: 4px solid #16a34a;
  background: #f0fdf4;
}

.header-decoder__flag-item {
  padding: 0.6rem 0.75rem;
  border-left: 3px solid var(--color-forensic);
  background: #faf5ff;
  margin-bottom: 0.5rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.9rem;
  color: #1f2937;
  line-height: 1.45;
}

.header-decoder__flag-item:last-child {
  margin-bottom: 0;
}

.header-decoder__reminder {
  font-style: italic;
  background: var(--color-forensic-light);
  color: #4c1d95;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  line-height: 1.5;
}

.header-decoder__privacy {
  font-size: 0.8rem;
  color: #6b7280;
  margin-top: 0.75rem;
}

@media (max-width: 640px) {
  .header-decoder {
    padding: 1rem;
  }

  .header-decoder__field,
  .header-decoder__auth-row {
    grid-template-columns: 1fr;
  }

  .header-decoder__auth-row > :last-child {
    justify-self: start;
  }
}