/* Instalador web do firmware NerdMiner BR⚡LN.
   Herda as variáveis de cor de app.css, que precisa ser carregado antes deste. */

.flash-page {
  width: min(60rem, 100% - 2.5rem);
  margin: 0 auto;
  padding: 3rem 0 4rem;
  display: grid;
  gap: 1.75rem;
}

.flash-hero {
  display: grid;
  gap: 0.75rem;
}

.flash-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5vw, 3.1rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.flash-hero h1 span {
  color: var(--yellow);
}

.flash-lead {
  margin: 0;
  max-width: 46rem;
  color: var(--muted-strong);
  font-size: 1.05rem;
  line-height: 1.6;
}

.flash-version {
  margin: 0.25rem 0 0;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.flash-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 3vw, 2rem);
}

.flash-panel-title {
  margin: 0 0 1.25rem;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

/* --- passos --- */

.flash-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.flash-step {
  display: grid;
  grid-template-columns: 2.25rem 1fr;
  gap: 1rem;
  align-items: start;
}

.flash-step-num {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  border: 1px solid var(--line-strong);
  background: rgba(255, 196, 0, 0.08);
  color: var(--yellow);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.flash-step-body h3 {
  margin: 0.35rem 0 0.5rem;
  font-size: 1rem;
}

.flash-step-body p {
  margin: 0 0 0.5rem;
  color: var(--muted-strong);
  line-height: 1.6;
}

.flash-step-body strong {
  color: var(--text);
}

.flash-step-body a {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.flash-step-hint {
  font-size: 0.88rem;
  color: var(--muted);
}

/* --- seletor de placa --- */

.flash-select-label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.flash-select {
  width: 100%;
  max-width: 28rem;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: var(--panel-strong);
  color: var(--text);
}

.flash-select:focus-visible {
  outline: 2px solid var(--yellow);
  outline-offset: 2px;
}

.flash-board-note {
  margin: 0.6rem 0 0;
  font-size: 0.88rem;
  color: var(--muted);
}

/* --- botão de gravar --- */

.flash-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0 0.75rem;
}

.flash-cta {
  padding: 0.85rem 1.6rem;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--yellow), var(--orange));
  color: #16140a;
  font-weight: 700;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.flash-cta:hover {
  filter: brightness(1.06);
}

.flash-cta:focus-visible {
  outline: 2px solid var(--yellow-soft);
  outline-offset: 3px;
}

.flash-download {
  font-size: 0.88rem;
  color: var(--muted-strong);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.flash-download:hover {
  color: var(--yellow);
}

.flash-warn {
  display: block;
  padding: 0.85rem 1rem;
  border: 1px solid rgba(255, 123, 123, 0.35);
  border-radius: 14px;
  background: rgba(255, 123, 123, 0.07);
  color: var(--muted-strong);
  font-size: 0.9rem;
  line-height: 1.55;
}

.flash-warn strong {
  color: var(--text);
}

/* --- pré-configuração --- */

.flash-preset {
  margin: 0 0 1.25rem;
  display: grid;
  gap: 0.75rem;
}

.flash-preset > div {
  display: grid;
  grid-template-columns: minmax(7rem, 12rem) 1fr;
  gap: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}

.flash-preset > div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.flash-preset dt {
  font-size: 0.75rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--muted);
}

.flash-preset dd {
  margin: 0;
  color: var(--text);
  overflow-wrap: anywhere;
}

.flash-preset code {
  padding: 0.1rem 0.35rem;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.06);
  font-size: 0.9em;
}

.flash-preset-note {
  color: var(--muted);
  font-size: 0.85rem;
}

/* --- novidades da imagem --- */

.flash-changes {
  margin: 0 0 1rem;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.65rem;
  color: var(--muted-strong);
  line-height: 1.6;
}

.flash-changes strong {
  color: var(--text);
}

.flash-source {
  margin: 0;
  font-size: 0.88rem;
  color: var(--muted);
}

.flash-source a {
  color: var(--yellow);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

@media (max-width: 40rem) {
  .flash-step {
    grid-template-columns: 1.9rem 1fr;
    gap: 0.75rem;
  }

  .flash-preset > div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}