:root {
  --bg: #f5f3ef;
  --card: #ffffff;
  --texto: #1f2328;
  --suave: #6b6f76;
  --borda: #e3dfd8;
  --primaria: #e8590c;
  --primaria-escura: #c94a07;
  --primaria-clara: #fff1e8;
  --ok: #2b8a3e;
  --ok-clara: #ebfbee;
  --perigo: #c92a2a;
  --perigo-clara: #fff0f0;
  --pix: #0c8599;
  --dinheiro: #2b8a3e;
  --fiado: #e67700;
  --sombra: 0 1px 2px rgba(0,0,0,.05), 0 4px 16px rgba(0,0,0,.05);
  --raio: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--texto); font-size: 15px; line-height: 1.4;
}
[hidden] { display: none !important; }
a { color: inherit; }
h1 { font-size: 22px; margin: 0; }
h2 { font-size: 17px; margin: 0 0 12px; }

/* Topo */
header { background: var(--card); border-bottom: 1px solid var(--borda); position: sticky; top: 0; z-index: 10; }
.topo-inner { max-width: 1280px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.marca { font-weight: 700; font-size: 18px; text-decoration: none; white-space: nowrap; }
nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
nav a { text-decoration: none; padding: 7px 12px; border-radius: 8px; color: var(--suave); font-weight: 500; }
nav a:hover { background: var(--bg); color: var(--texto); }
nav a.ativo { background: var(--primaria-clara); color: var(--primaria-escura); }
.usuario-menu { position: relative; }
.drop { position: absolute; right: 0; top: calc(100% + 6px); background: var(--card); border: 1px solid var(--borda); border-radius: 8px; box-shadow: var(--sombra); min-width: 160px; overflow: hidden; z-index: 20; }
.drop button { display: block; width: 100%; text-align: left; padding: 10px 14px; background: none; border: 0; font: inherit; cursor: pointer; }
.drop button:hover { background: var(--bg); }

main { max-width: 1280px; margin: 0 auto; padding: 20px 16px 40px; }

/* Botões e campos */
.btn { font: inherit; font-weight: 600; border: 1px solid var(--borda); background: var(--card); color: var(--texto); padding: 8px 14px; border-radius: 8px; cursor: pointer; white-space: nowrap; }
.btn:hover { background: var(--bg); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primario { background: var(--primaria); border-color: var(--primaria); color: #fff; }
.btn-primario:hover { background: var(--primaria-escura); }
.btn-perigo { color: var(--perigo); }
.btn-perigo:hover { background: var(--perigo-clara); }
.btn-fantasma { border-color: transparent; background: none; color: var(--suave); }
.btn-pequeno { padding: 4px 10px; font-size: 13px; }
.btn-grande { padding: 14px 20px; font-size: 17px; }

label { display: block; font-weight: 600; font-size: 13px; color: var(--suave); margin-bottom: 4px; }
textarea { resize: vertical; line-height: 1.45; }
.previa-msg { background: #e7f8e9; border: 1px solid #c9ebcd; border-radius: 10px; padding: 12px 14px; margin: 0;
  white-space: pre-wrap; font-family: inherit; font-size: 14px; max-height: 260px; overflow: auto; }
input, select, textarea { font: inherit; width: 100%; padding: 9px 11px; border: 1px solid var(--borda); border-radius: 8px; background: #fff; color: var(--texto); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primaria); outline-offset: -1px; border-color: var(--primaria); }
.campo { margin-bottom: 14px; }
.campo small { color: var(--suave); font-size: 12px; }
.linha { display: flex; gap: 12px; }
.linha > * { flex: 1; }

/* Cards e tabelas */
.card { background: var(--card); border: 1px solid var(--borda); border-radius: var(--raio); box-shadow: var(--sombra); padding: 18px; }
.cabecalho { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.cabecalho h1 { flex: 1; }
.busca { max-width: 320px; }
.tabela-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; color: var(--suave); font-weight: 600; padding: 10px 12px; border-bottom: 1px solid var(--borda); white-space: nowrap; }
td { padding: 10px 12px; border-bottom: 1px solid var(--borda); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #faf9f6; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.acoes { text-align: right; white-space: nowrap; }
td.acoes .btn { margin-left: 4px; }
.vazio { text-align: center; color: var(--suave); padding: 32px 12px; }
.riscado td { color: var(--suave); text-decoration: line-through; }
.mudo { color: var(--suave); }

.etiqueta { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.e-pix { background: #e3fafc; color: var(--pix); }
.e-dinheiro { background: var(--ok-clara); color: var(--dinheiro); }
.e-fiado { background: #fff4e6; color: var(--fiado); }
.e-cancelada { background: var(--perigo-clara); color: var(--perigo); }

.resumo { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.resumo .card { padding: 14px 16px; }
.resumo .rotulo { font-size: 12px; color: var(--suave); text-transform: uppercase; letter-spacing: .03em; font-weight: 600; }
.resumo .valor { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.filtros { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 16px; }
.filtros > div { min-width: 140px; }

/* Login */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: 100%; max-width: 360px; }
.login .marca { display: block; text-align: center; font-size: 26px; margin-bottom: 18px; }
.erro { background: var(--perigo-clara); color: var(--perigo); padding: 9px 12px; border-radius: 8px; font-size: 14px; margin-bottom: 14px; }

/* Modal */
.modal-fundo { position: fixed; inset: 0; background: rgba(20,20,20,.45); display: grid; place-items: center; padding: 16px; z-index: 50; }
.modal { background: var(--card); border-radius: 12px; width: 100%; max-width: 460px; max-height: calc(100vh - 32px); overflow: auto; box-shadow: 0 20px 60px rgba(0,0,0,.25); }
.modal.largo { max-width: 640px; }
.modal-cab { padding: 16px 20px; border-bottom: 1px solid var(--borda); display: flex; align-items: center; }
.modal-cab h2 { margin: 0; flex: 1; }
.modal-corpo { padding: 20px; }
.modal-rodape { padding: 14px 20px; border-top: 1px solid var(--borda); display: flex; gap: 8px; justify-content: flex-end; }

.lista-escolha { display: grid; gap: 8px; }
.lista-escolha button { text-align: left; padding: 14px 16px; border: 2px solid var(--borda); background: #fff; border-radius: 10px; font: inherit; font-weight: 600; font-size: 16px; cursor: pointer; }
.lista-escolha button:hover, .lista-escolha button.sel { border-color: var(--primaria); background: var(--primaria-clara); }

/* Toasts */
#toasts { position: fixed; bottom: 20px; right: 20px; display: grid; gap: 8px; z-index: 100; }
.toast { background: #1f2328; color: #fff; padding: 12px 16px; border-radius: 8px; box-shadow: var(--sombra); max-width: 360px; animation: entra .2s ease-out; }
.toast.ok { background: var(--ok); }
.toast.erro { background: var(--perigo); }
@keyframes entra { from { transform: translateY(10px); opacity: 0; } }

/* Autocomplete */
.auto { position: relative; }
.auto-lista { position: absolute; left: 0; right: 0; top: calc(100% + 4px); background: #fff; border: 1px solid var(--borda); border-radius: 8px; box-shadow: var(--sombra); max-height: 320px; overflow: auto; z-index: 30; }
.auto-item { padding: 10px 12px; cursor: pointer; display: flex; gap: 10px; align-items: center; border-bottom: 1px solid var(--borda); }
.auto-item:last-child { border-bottom: 0; }
.auto-item.sel, .auto-item:hover { background: var(--primaria-clara); }
.auto-item .principal { flex: 1; font-weight: 600; }
.auto-item .sec { color: var(--suave); font-size: 13px; }

/* PDV / Caixa */
.caixa { display: grid; grid-template-columns: 1fr 340px; gap: 16px; align-items: start; }
.caixa-topo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.caixa-topo h1 { flex: 1; }
.pill { background: var(--card); border: 1px solid var(--borda); border-radius: 999px; padding: 6px 14px; font-weight: 600; }
.aluno-sel { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border: 2px solid var(--primaria); background: var(--primaria-clara); border-radius: 10px; }
.aluno-sel .nome { font-weight: 700; font-size: 17px; }
.aluno-sel .info { flex: 1; }
.aluno-sel .fiado { color: var(--fiado); font-weight: 600; font-size: 13px; }
.leitor { display: grid; grid-template-columns: 90px 1fr; gap: 10px; margin-top: 14px; }
.leitor input { font-size: 18px; padding: 12px 14px; }
.leitor .qtd input { text-align: center; font-weight: 700; }
.itens { margin-top: 14px; }
.itens td { padding: 8px 10px; }
.qtd-ctrl { display: inline-flex; align-items: center; gap: 4px; }
.qtd-ctrl button { width: 28px; height: 28px; border-radius: 6px; border: 1px solid var(--borda); background: #fff; cursor: pointer; font-weight: 700; }
.qtd-ctrl span { min-width: 28px; text-align: center; font-weight: 700; }
.total-box { position: sticky; top: 76px; }
.total-box .rotulo { color: var(--suave); font-weight: 600; text-transform: uppercase; font-size: 12px; letter-spacing: .04em; }
.total-box .total { font-size: 44px; font-weight: 800; font-variant-numeric: tabular-nums; margin: 4px 0 16px; letter-spacing: -.02em; }
.total-box .btn { width: 100%; }
.total-box .dica { color: var(--suave); font-size: 12px; margin-top: 12px; line-height: 1.6; }
.btn-primario kbd { background: rgba(255,255,255,.2); border-color: rgba(255,255,255,.4); color: #fff; }
kbd { background: var(--bg); border: 1px solid var(--borda); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; font-size: 11px; font-family: inherit; }

.formas { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.forma { border: 2px solid var(--borda); background: #fff; border-radius: 12px; padding: 18px 8px; font: inherit; font-weight: 700; font-size: 17px; cursor: pointer; display: grid; gap: 6px; place-items: center; }
.forma .ico { font-size: 28px; }
.forma kbd { font-weight: 500; }
.forma.sel { border-color: var(--primaria); background: var(--primaria-clara); }
.forma:disabled { opacity: .4; cursor: not-allowed; }
.troco { margin-top: 16px; padding: 14px; background: var(--bg); border-radius: 10px; }
.troco .resultado { font-size: 20px; font-weight: 700; margin-top: 8px; }

@media (max-width: 900px) {
  .caixa { grid-template-columns: 1fr; }
  .total-box { position: static; }
  nav { order: 3; flex-basis: 100%; }
}
@media (max-width: 560px) {
  .linha { flex-direction: column; gap: 0; }
  .total-box .total { font-size: 36px; }
  .usuario-menu { margin-left: auto; }
}