/* ==========================================================================
   Calculadora de Redes IP/CIDR — estilos específicos
   Componentes genéricos (.panel, .hint, .chip, .btn-row) vêm de ../lab.css
   ========================================================================== */

.app-hero .grad {
  background: linear-gradient(100deg, #93C5FD 0%, #3B82F6 55%, #1E90FF 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.security-banner {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
  margin-top: 1.5rem;
  padding: 0.9rem 1.05rem;
  border: 1px solid rgba(134, 239, 172, 0.38);
  border-radius: var(--radius-sm);
  background: linear-gradient(90deg, rgba(134, 239, 172, 0.12), rgba(134, 239, 172, 0.04));
  color: #DCFCE7;
  font-size: 0.86rem;
  line-height: 1.55;
}

.security-banner svg {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
  margin-top: 0.1rem;
  color: var(--success);
}

.security-banner p {
  margin: 0;
}

/* Campos em fonte monoespaçada, porque IP e máscara são "código" */
#calc-form .field input {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.0125rem;
  letter-spacing: 0.02em;
}

#calc-status {
  margin: 0.85rem 0 0;
  min-height: 1.2rem;
  font-size: 0.86rem;
}

#calc-status.is-error {
  color: #FCA5A5;
}

#calc-form .field input[aria-invalid="true"] {
  border-color: #FCA5A5;
  background: rgba(127, 29, 29, 0.12);
}

/* ------------------------------------------------------------ Resultados */
.result-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.35rem;
}

.result-head .panel-title {
  margin: 0;
}

.result-context {
  margin: 0 0 1rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--heading);
  word-break: break-all;
}

.result-grid {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--line);
}

.result-item {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.8rem 0.95rem;
  background: rgba(9, 23, 38, 0.92);
}

.result-item dt {
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.result-item dd {
  margin: 0;
  color: var(--heading);
  font-weight: 600;
}

.result-item dd code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.01em;
}

.result-item--highlight {
  background: rgba(59, 130, 246, 0.14);
}

.result-item--tipo {
  background: rgba(134, 239, 172, 0.07);
}

.result-item--tipo dd code {
  color: #BBF7D0;
}

.result-item--highlight dd code {
  color: #DBEAFE;
}

.result-item dd code.bin {
  display: block;
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  line-height: 1.5;
  word-break: break-all;
  color: var(--accent-soft);
}

.result-note {
  margin: 1rem 0 0;
  font-size: 0.84rem;
  color: var(--muted);
}

.result-note:empty {
  display: none;
}

/* ------------------------------------------------------------ Explicação */
.explain {
  max-width: 68ch;
}

.explain h2 {
  font-size: clamp(1.25rem, 3.4vw, 1.7rem);
}

.explain p {
  font-size: 0.965rem;
}

/* ----------------------------------------------------------- Breakpoints */
@media (min-width: 40em) {
  .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}