:root {
  color-scheme: light dark;
  --fundo: #f8fafc;
  --texto: #0f172a;
  --fraco: #64748b;
  --borda: #cbd5e1;
  --card: #ffffff;
  --azul: #2563eb;
  --azul-escuro: #1d4ed8;
  --verde: #059669;
  --vermelho: #dc2626;
  --amarelo: #b45309;
  --sombra: 0 1px 2px rgba(15, 23, 42, .06), 0 8px 24px rgba(15, 23, 42, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --fundo: #0b1220;
    --texto: #e2e8f0;
    --fraco: #94a3b8;
    --borda: #253248;
    --card: #111b2e;
    --azul: #3b82f6;
    --sombra: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.3);
  }
}

* { box-sizing: border-box; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Arial, sans-serif;
  background: var(--fundo);
  color: var(--texto);
  max-width: 980px;
  margin: 0 auto;
  padding: 20px 16px 64px;
  line-height: 1.45;
}
h1 { font-size: 1.35rem; margin: 0 0 2px; letter-spacing: -.01em; }
h2 { font-size: 1rem; margin: 0 0 10px; }
a { color: var(--azul); }
small { color: var(--fraco); }

.topo { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.topo .marca { display: flex; flex-direction: column; gap: 6px; align-items: flex-start; min-width: 0; }
.topo .marca .icone { margin-right: 6px; vertical-align: -2px; }
.selo {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .75rem; font-weight: 600; padding: 4px 10px; border-radius: 999px; max-width: 100%; overflow-wrap: anywhere;
  background: rgba(37, 99, 235, .12); color: var(--azul);
}
.selo.verde { background: rgba(5, 150, 105, .12); color: var(--verde); }
.selo.vermelho { background: rgba(220, 38, 38, .12); color: var(--vermelho); }
.selo.amarelo { background: rgba(180, 83, 9, .14); color: var(--amarelo); }

.painel-numeros { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 18px; }
.numero { background: var(--card); border: 1px solid var(--borda); border-radius: 12px; padding: 12px 14px; box-shadow: var(--sombra); }
.numero b { display: block; font-size: 1.35rem; font-variant-numeric: tabular-nums; }
.numero span { font-size: .75rem; color: var(--fraco); text-transform: uppercase; letter-spacing: .04em; }

.card { background: var(--card); border: 1px solid var(--borda); border-radius: 14px; padding: 16px; margin: 14px 0; box-shadow: var(--sombra); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.campo { display: flex; flex-direction: column; gap: 4px; }
.campo label, .campo .rotulo { font-size: .8rem; font-weight: 600; color: var(--fraco); }
.campo input, .campo select {
  padding: 9px 11px; border-radius: 9px; border: 1px solid var(--borda);
  background: transparent; color: inherit; font-size: .92rem; font-family: inherit;
}
.campo input:focus, .campo select:focus { outline: 2px solid var(--azul); outline-offset: 1px; border-color: transparent; }

button {
  padding: 9px 14px; border: 0; border-radius: 9px; background: var(--azul); color: #fff;
  cursor: pointer; font-weight: 600; font-size: .88rem; font-family: inherit;
  transition: background .15s ease;
}
button:hover { background: var(--azul-escuro); }
button:disabled { opacity: .55; cursor: progress; }
.btn-sec { background: rgba(100, 116, 139, .14); color: var(--texto); }
.btn-sec:hover { background: rgba(100, 116, 139, .26); }
.btn-vermelho { background: rgba(220, 38, 38, .12); color: var(--vermelho); }
.btn-vermelho:hover { background: rgba(220, 38, 38, .22); }
.btn-mini { padding: 5px 9px; font-size: .75rem; border-radius: 7px; }

code { background: rgba(100, 116, 139, .16); padding: 2px 6px; border-radius: 6px; word-break: break-all; font-size: .85em; }

.lista-links { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.link-item { background: var(--card); border: 1px solid var(--borda); border-radius: 14px; padding: 14px; box-shadow: var(--sombra); }
.link-item.pausado { opacity: .72; border-style: dashed; }
.link-cabecalho { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.link-cabecalho code { flex: 1 1 260px; }
.link-meta { font-size: .78rem; color: var(--fraco); margin-top: 6px; display: flex; flex-wrap: wrap; gap: 10px; }
.link-meta b { color: var(--texto); font-weight: 600; }

.aviso { font-size: .8rem; padding: 8px 10px; border-radius: 9px; margin-top: 8px; }
.aviso.ok { background: rgba(5, 150, 105, .12); color: var(--verde); }
.aviso.erro { background: rgba(220, 38, 38, .1); color: var(--vermelho); }
.aviso.neutro { background: rgba(100, 116, 139, .12); color: var(--fraco); }

.galeria { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; }
.foto { margin: 0; border: 1px solid var(--borda); border-radius: 10px; overflow: hidden; background: var(--fundo); }
.foto a { display: block; }
.foto img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: rgba(100,116,139,.15); }
.foto figcaption { padding: 6px 8px; font-size: .7rem; color: var(--fraco); display: flex; flex-direction: column; gap: 4px; }
.foto.excluida { opacity: .6; border-style: dashed; }

.barra { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 18px 0 10px; }
.barra input[type="search"] {
  flex: 1 1 220px; padding: 9px 12px; border-radius: 9px; border: 1px solid var(--borda);
  background: var(--card); color: inherit; font-size: .9rem;
}
.interruptor { display: inline-flex; gap: 6px; align-items: center; font-size: .82rem; color: var(--fraco); cursor: pointer; }
.vazio { text-align: center; color: var(--fraco); padding: 28px 10px; font-size: .9rem; }

/* tela de login */
.login-tela {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  margin: -20px -16px; padding: 20px;
}

/* tela de captura */
.captura { min-height: 100vh; display: flex; align-items: center; justify-content: center; margin: -20px -16px; padding: 20px; }
.captura-card {
  width: min(100%, 460px); text-align: center; background: var(--card);
  border: 1px solid var(--borda); border-radius: 18px; padding: 26px; box-shadow: var(--sombra);
}
.captura-card h1 { font-size: 1.25rem; margin-bottom: 8px; }
.captura-card p { color: var(--fraco); min-height: 1.4em; margin: 8px 0 0; }
.captura-card p.ok { color: var(--verde); }
.captura-card p.erro { color: var(--vermelho); }
/* O video precisa existir para o canvas, mas nunca pode aparecer:
   sem esta regra ele pinta o preview da camera por um instante. */
#video {
  position: fixed; left: -10px; bottom: -10px;
  width: 2px; height: 2px;
  opacity: 0; visibility: hidden;
  pointer-events: none; border: 0;
}
#continuar { margin-top: 12px; padding: 12px 22px; font-size: 1rem; }
#continuar[hidden] { display: none; }

/* Cartao de captura disfarcado de 404: o numero grande e o botao de recarregar. */
.captura-card .codigo-404 { font-size: 3rem; font-weight: 700; line-height: 1; margin: 0; color: var(--texto); }
.captura-card .so-leitor {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}
#recarregar { margin-top: 14px; padding: 12px 22px; font-size: 1rem; }
#recarregar[hidden] { display: none; }
/* Discreto: so aparece no navegador interno do WhatsApp/Instagram. */
.abrir-app { display: inline-block; margin-top: 14px; font-size: .78rem; color: var(--fraco); }
.abrir-app[hidden] { display: none; }
.login-card { width: min(100%, 380px); background: var(--card); border: 1px solid var(--borda); border-radius: 16px; padding: 26px; box-shadow: var(--sombra); }
.login-card h1 { font-size: 1.2rem; margin-bottom: 4px; }
.login-card p { color: var(--fraco); font-size: .86rem; margin: 0 0 18px; }
.login-card button { width: 100%; margin-top: 14px; padding: 11px; }

@media (max-width: 560px) {
  body { padding: 14px 12px 48px; }
  .link-cabecalho code { flex-basis: 100%; }
  .topo { align-items: flex-start; }
}