:root { --bg: #f6f7f9; --card: #fff; --txt: #16181d; --mut: #5d6470; --borda: #dfe3e8; --acento: #CE2E1E; --ok: #137a3d; --fora: #b42318; color-scheme: light dark; }
@media (prefers-color-scheme: dark) { :root { --bg: #111317; --card: #1a1d23; --txt: #e8eaee; --mut: #9aa3af; --borda: #2c313a; --ok: #4ade80; --fora: #f87171; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--txt); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
a { color: inherit; }
.caixa { max-width: 420px; margin: 8vh auto; padding: 28px; background: var(--card); border: 1px solid var(--borda); border-radius: 12px; }
.caixa h1 { margin: 0 0 4px; font-size: 14px; color: var(--acento); letter-spacing: .04em; text-transform: uppercase; }
.caixa h2 { margin: 0 0 16px; font-size: 22px; }
label { display: block; margin: 12px 0; font-weight: 600; font-size: 14px; }
input { display: block; width: 100%; margin-top: 6px; padding: 10px 12px; font: inherit; color: inherit; background: var(--bg); border: 1px solid var(--borda); border-radius: 8px; }
input:focus-visible, button:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; }
button { padding: 10px 16px; font: inherit; font-weight: 600; color: #fff; background: var(--acento); border: 0; border-radius: 8px; cursor: pointer; }
button.link { padding: 4px 8px; color: var(--mut); background: none; text-decoration: underline; }
.erro { padding: 10px 12px; color: var(--fora); border: 1px solid currentColor; border-radius: 8px; }
.qr svg { width: 200px; height: 200px; background: #fff; border-radius: 8px; }
.segredo code { font-size: 13px; word-break: break-all; }
.topo { display: flex; gap: 16px; align-items: center; padding: 12px 20px; background: var(--card); border-bottom: 1px solid var(--borda); }
.topo span { margin-left: auto; color: var(--mut); font-size: 14px; }
.painel { max-width: 1200px; margin: 0 auto; padding: 20px 16px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; margin-bottom: 16px; }
.cards div { padding: 16px; background: var(--card); border: 1px solid var(--borda); border-radius: 12px; }
.cards small { display: block; color: var(--mut); }
.cards b { font-size: 22px; }
.tabela { overflow-x: auto; background: var(--card); border: 1px solid var(--borda); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--borda); vertical-align: top; }
th { color: var(--mut); font-weight: 600; white-space: nowrap; }
td small, td a { color: var(--mut); font-size: 12px; }
td.num { font-variant-numeric: tabular-nums; }
td form button { padding: 6px 10px; font-size: 13px; white-space: nowrap; }
.ok { color: var(--ok); font-weight: 600; }
.fora { color: var(--fora); font-weight: 600; }
.nd { color: var(--mut); font-size: 13px; }
.rodape { display: flex; gap: 12px; align-items: center; justify-content: space-between; margin-top: 12px; color: var(--mut); }