:root {
  color-scheme: light;
  --fundo: #f4f3f0;
  --cartao: #fcfcfb;
  --cartao-2: #f0efec;
  --tinta: #0b0b0b;
  --tinta-2: #52514e;
  --tinta-3: #77756f;
  --linha: #e1e0d9;
  --eixo: #c3c2b7;
  --borda: rgba(11, 11, 11, 0.1);
  --destaque: #4a3aa7;
  --destaque-forte: #3a2c8c;
  --destaque-suave: rgba(74, 58, 167, 0.1);
  --sobre-destaque: #ffffff;
  --aviso: #8a5a00;
  --brilho: rgba(74, 58, 167, 0.16);
  --sombra: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.05);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --fundo: #0d0d0d;
    --cartao: #1a1a19;
    --cartao-2: #232321;
    --tinta: #ffffff;
    --tinta-2: #c3c2b7;
    --tinta-3: #959389;
    --linha: #2c2c2a;
    --eixo: #383835;
    --borda: rgba(255, 255, 255, 0.1);
    --destaque: #9085e9;
    --destaque-forte: #a89ff0;
    --destaque-suave: rgba(144, 133, 233, 0.14);
    --sobre-destaque: #0d0b1f;
    --aviso: #fab219;
    --brilho: rgba(124, 92, 240, 0.28);
    --sombra: none;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --fundo: #0d0d0d;
  --cartao: #1a1a19;
  --cartao-2: #232321;
  --tinta: #ffffff;
  --tinta-2: #c3c2b7;
  --tinta-3: #959389;
  --linha: #2c2c2a;
  --eixo: #383835;
  --borda: rgba(255, 255, 255, 0.1);
  --destaque: #9085e9;
  --destaque-forte: #a89ff0;
  --destaque-suave: rgba(144, 133, 233, 0.14);
  --sobre-destaque: #0d0b1f;
  --aviso: #fab219;
  --brilho: rgba(124, 92, 240, 0.28);
  --sombra: none;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--fundo);
  background-image: radial-gradient(1200px 520px at 85% -120px, var(--brilho), transparent 70%);
  background-repeat: no-repeat;
  color: var(--tinta);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
[hidden] { display: none !important; }
a { color: var(--destaque); }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h2 { font-size: 1.05rem; font-weight: 650; }
.mudo { color: var(--tinta-3); }
.pequeno { font-size: 0.85rem; }

/* ——— Topo ——— */
.topo {
  max-width: 1180px;
  margin: 0 auto;
  padding: 20px 16px 8px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.marca { display: flex; align-items: center; gap: 10px; font-weight: 700; margin-right: auto; }
select.lingua { border-radius: 999px; padding: 8px 14px; background: var(--cartao); font-size: 0.9rem; cursor: pointer; }
.marca img { width: 32px; height: 32px; }
.botao {
  appearance: none;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 10px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--destaque);
  color: var(--sobre-destaque);
  transition: background 0.15s, transform 0.1s;
}
.botao:hover { background: var(--destaque-forte); }
.botao:active { transform: translateY(1px); }
.botao:disabled { opacity: 0.6; cursor: progress; }
.botao.fantasma { background: transparent; color: var(--tinta); border-color: var(--borda); }
.botao.fantasma:hover { background: var(--destaque-suave); }
.botao.grande { padding: 14px 24px; font-size: 1.05rem; }
:focus-visible { outline: 2px solid var(--destaque); outline-offset: 2px; }

main { max-width: 1180px; margin: 0 auto; padding: 8px 16px 64px; }

/* ——— Entrada ——— */
.entrada { max-width: 640px; margin: 48px auto 0; text-align: center; }
.entrada h1 { font-size: clamp(2rem, 6vw, 3.2rem); letter-spacing: -0.02em; font-weight: 800; }
.entrada > p { color: var(--tinta-2); font-size: 1.1rem; margin: 16px auto 32px; max-width: 34em; }
.caixa {
  background: var(--cartao);
  border: 1px solid var(--borda);
  border-radius: 20px;
  padding: 28px;
  box-shadow: var(--sombra);
  text-align: left;
}
.caixa + .caixa { margin-top: 16px; }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.codigo {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-align: center;
  margin: 8px 0 4px;
  font-variant-numeric: tabular-nums;
}
.passos { margin: 0 0 16px; padding-left: 1.3em; color: var(--tinta-2); }
.passos li + li { margin-top: 6px; }
.espera { display: flex; align-items: center; gap: 10px; color: var(--tinta-3); justify-content: center; margin-top: 16px; }
.roda {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--destaque-suave); border-top-color: var(--destaque);
  animation: roda 0.9s linear infinite;
}
@keyframes roda { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .roda { animation-duration: 3s; } }
details.alternativa { margin-top: 20px; }
details.alternativa summary { cursor: pointer; color: var(--tinta-2); text-align: center; list-style: none; }
details.alternativa summary::-webkit-details-marker { display: none; }
details.alternativa summary::after { content: " ▾"; }
details.alternativa[open] summary::after { content: " ▴"; }
form.login { display: grid; gap: 12px; margin-top: 16px; }
label.campo { display: grid; gap: 4px; font-size: 0.9rem; color: var(--tinta-2); }
input, select {
  font: inherit;
  color: var(--tinta);
  background: var(--fundo);
  border: 1px solid var(--borda);
  border-radius: 12px;
  padding: 10px 14px;
  min-width: 0;
}
.erro { color: #d03b3b; font-weight: 600; margin: 12px 0 0; text-align: center; }
.privacidade { font-size: 0.85rem; color: var(--tinta-3); margin-top: 24px; text-align: center; }

/* Janela de instalação */
dialog {
  border: 1px solid var(--borda); border-radius: 20px; padding: 28px; max-width: 520px; width: calc(100% - 32px);
  background: var(--cartao); color: var(--tinta); box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
}
dialog::backdrop { background: rgba(0, 0, 0, 0.55); }
dialog h2 { font-size: 1.3rem; margin-bottom: 8px; }
dialog p { color: var(--tinta-2); }
dialog .acoes { justify-content: flex-start; margin: 20px 0 8px; }
.link-copiar { display: flex; gap: 8px; margin-top: 8px; }
.link-copiar input { flex: 1; font-size: 0.8rem; color: var(--tinta-2); }
.cuidado { font-size: 0.85rem; color: var(--aviso); }

/* ——— A carregar ——— */
.carregar { max-width: 460px; margin: 120px auto; text-align: center; color: var(--tinta-2); display: grid; justify-items: center; gap: 16px; }
.roda.grande { width: 32px; height: 32px; border-width: 3px; }

/* ——— As extensões ——— */
.aviso-demo {
  display: flex; flex-wrap: wrap; align-items: center; gap: 12px; justify-content: space-between;
  background: var(--destaque-suave); border-radius: 16px; padding: 12px 18px; margin: 8px 0 20px;
}
.heroi { padding: 24px 0 28px; }
.heroi .rotulo { color: var(--tinta-2); font-weight: 600; margin-bottom: 10px; }
.estado h1 { font-size: clamp(1.7rem, 4.6vw, 2.6rem); font-weight: 800; letter-spacing: -0.02em; }
.estado p { color: var(--tinta-2); margin: 10px 0 0; font-size: 1.1rem; max-width: 40em; }

.mensagem {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px;
  border-radius: 16px; padding: 14px 18px; margin: 0 0 20px; background: var(--destaque-suave);
}
.mensagem.erro-msg { background: rgba(208, 59, 59, 0.12); color: var(--tinta); }

.grelha { display: grid; gap: 16px; grid-template-columns: repeat(12, 1fr); margin-bottom: 16px; align-items: start; }
.cartao {
  background: var(--cartao); border: 1px solid var(--borda); border-radius: 20px; padding: 20px 22px;
  box-shadow: var(--sombra); grid-column: span 12; min-width: 0;
}
.cartao.principal { grid-column: span 8; }
.cartao.lateral { grid-column: span 4; }
@media (max-width: 900px) { .cartao.principal, .cartao.lateral { grid-column: span 12; } }
.cabeca { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.cabeca p { margin: 2px 0 0; color: var(--tinta-3); font-size: 0.85rem; }

.como { margin: 0; padding-left: 1.1em; display: grid; gap: 12px; color: var(--tinta-2); font-size: 0.92rem; }
.como strong { color: var(--tinta); }

/* Lista de extensões */
.extensoes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.extensao {
  display: grid; grid-template-columns: auto 2.2em 44px minmax(0, 1fr) auto; align-items: center; gap: 12px;
  background: var(--cartao-2); border: 1px solid transparent; border-radius: 14px; padding: 10px 12px 10px 6px;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
}
.extensao.mexida { animation: piscar 0.9s ease-out; }
@keyframes piscar { from { box-shadow: 0 0 0 4px var(--brilho); } to { box-shadow: 0 0 0 0 transparent; } }
@media (prefers-reduced-motion: reduce) { .extensao.mexida { animation: none; } }
.extensao.a-arrastar {
  position: relative; z-index: 5; background: var(--cartao); border-color: var(--destaque);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28); cursor: grabbing;
}
.extensoes.arrastando .extensao:not(.a-arrastar) { transition: transform 0.15s; }

.pega {
  appearance: none; border: 0; background: transparent; color: var(--tinta-3); cursor: grab; touch-action: none;
  width: 28px; height: 40px; border-radius: 8px; display: grid; place-items: center; padding: 0; font: inherit;
}
.pega:hover { color: var(--tinta); background: var(--destaque-suave); }
.pega svg { width: 14px; height: 20px; }
.extensao .n { font-weight: 700; color: var(--tinta-3); font-variant-numeric: tabular-nums; text-align: right; }
.icone {
  width: 44px; height: 44px; border-radius: 10px; overflow: hidden; background: var(--cartao); border: 1px solid var(--borda);
  display: grid; place-items: center; font-weight: 800; color: var(--tinta-2); font-size: 1.1rem;
}
.icone img { width: 100%; height: 100%; object-fit: cover; display: block; }
.extensao .info { min-width: 0; }
.extensao .nome { font-weight: 650; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.extensao .desc { color: var(--tinta-3); font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.etiqueta {
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; border-radius: 999px;
  padding: 1px 8px; background: var(--cartao); color: var(--tinta-2); border: 1px solid var(--borda);
}
.etiqueta.pesquisa { color: var(--destaque); border-color: var(--destaque-suave); }
.setas { display: flex; gap: 2px; }
.setas button {
  appearance: none; border: 0; background: transparent; color: var(--tinta-2); width: 34px; height: 34px;
  border-radius: 999px; cursor: pointer; display: grid; place-items: center; padding: 0;
}
.setas button:hover:not(:disabled) { background: var(--destaque-suave); color: var(--tinta); }
.setas button:disabled { opacity: 0.25; cursor: default; }
.setas svg { width: 16px; height: 16px; }
@media (max-width: 560px) {
  .extensao { grid-template-columns: auto 36px minmax(0, 1fr) auto; gap: 10px; }
  .extensao .n { display: none; }
  .setas .topo-btn { display: none; }
}

/* Barra que aparece quando há alterações por guardar */
.barra-guardar {
  position: sticky; bottom: 16px; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-top: 16px; padding: 12px 14px 12px 22px; border-radius: 20px;
  background: var(--tinta); color: var(--fundo); box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3); font-weight: 600;
}
.barra-guardar .acoes { justify-content: flex-end; }
.barra-guardar .botao.fantasma { color: var(--fundo); border-color: color-mix(in srgb, var(--fundo) 30%, transparent); }
.barra-guardar .botao.fantasma:hover { background: color-mix(in srgb, var(--fundo) 12%, transparent); }

footer { text-align: center; color: var(--tinta-3); font-size: 0.8rem; padding: 0 16px 32px; }