* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, Arial, sans-serif;
  background: #f1f5f9;
  color: #1e293b;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.header { background: #1A365D; color: #fff; padding: 16px 24px; }
.header-inner { max-width: 800px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.header-inner strong { color: #38bdf8; }

.main { flex: 1; max-width: 800px; margin: 0 auto; padding: 32px 24px; width: 100%; }

.card { background: #fff; border-radius: 12px; padding: 28px; margin-bottom: 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.card.ok { border-left: 6px solid #22c55e; }
.card.warning { border-left: 6px solid #f59e0b; }
.card.error { border-left: 6px solid #ef4444; }

.icono { font-size: 3rem; margin-bottom: 12px; }

h1 { color: #1A365D; font-size: 1.6rem; margin: 0 0 8px; }
h2 { color: #1A365D; font-size: 1.1rem; margin: 0 0 16px; }
.sub { color: #64748b; margin: 0 0 20px; }

form { display: flex; gap: 8px; flex-wrap: wrap; }
input[type=text] {
  flex: 1; min-width: 220px; padding: 12px 16px;
  border: 2px solid #cbd5e1; border-radius: 8px;
  font-size: 1rem; font-family: inherit;
}
input[type=text]:focus { outline: none; border-color: #38bdf8; }

button {
  padding: 12px 24px; background: #1A365D; color: #fff;
  border: 0; border-radius: 8px; font-size: 1rem;
  font-weight: 600; cursor: pointer;
}
button:hover { background: #2B6CB0; }

.hint { color: #64748b; font-size: .85rem; margin-top: 16px; }

.datos { display: grid; grid-template-columns: 200px 1fr; gap: 8px 16px; }
.datos dt { color: #64748b; font-weight: 600; }
.datos dd { margin: 0; }

.hash {
  font-family: ui-monospace, monospace;
  background: #f1f5f9;
  padding: 12px 16px;
  border-radius: 8px;
  word-break: break-all;
  font-size: .85rem;
  color: #1e293b;
  margin: 12px 0;
  border: 1px solid #cbd5e1;
}

.footer { text-align: center; padding: 20px; color: #94a3b8; font-size: .85rem; }

@media (max-width: 600px) {
  .datos { grid-template-columns: 1fr; gap: 4px; }
  .datos dt { margin-top: 8px; }
}