:root {
  --fundo: #f5efe6;
  --papel: #fffdf9;
  --tinta: #2a211c;
  --suave: #7a6b60;
  --linha: #e4d9cb;
  --acento: #8a3b2a;
  --acento-escuro: #6d2d20;
  --acento-claro: #f3e2da;
  --ok: #2f6b45;
  --ok-claro: #e2f0e6;
  --erro: #a3271b;
  --erro-claro: #fbe4e1;
  --raio: 12px;
  --sombra: 0 1px 2px rgba(42, 33, 28, .06), 0 6px 24px rgba(42, 33, 28, .06);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--tinta);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1, h2, h3 { font-family: "Fraunces", Georgia, serif; font-weight: 600; line-height: 1.2; margin: 0; }

button, input, select { font: inherit; color: inherit; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px;
  border: 1px solid var(--linha); border-radius: 10px;
  background: var(--papel); cursor: pointer; font-weight: 600;
  transition: background .15s, border-color .15s, opacity .15s;
}
.btn:hover { border-color: var(--suave); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primario { background: var(--acento); border-color: var(--acento); color: #fff; }
.btn.primario:hover:not(:disabled) { background: var(--acento-escuro); }
.btn.perigo { color: var(--erro); }
.btn.perigo:hover:not(:disabled) { border-color: var(--erro); background: var(--erro-claro); }
.btn.pequeno { min-height: 36px; padding: 0 12px; font-size: 14px; }

.campo { display: block; margin-bottom: 18px; }
.campo > span { display: block; font-weight: 600; margin-bottom: 6px; }
.campo small { color: var(--suave); font-weight: 400; }
.entrada {
  width: 100%; min-height: 48px; padding: 10px 14px;
  border: 1px solid var(--linha); border-radius: 10px; background: #fff;
}
.entrada:focus { outline: 2px solid var(--acento); outline-offset: 1px; border-color: transparent; }

.aviso { padding: 12px 14px; border-radius: 10px; margin-bottom: 16px; font-size: 15px; }
.aviso.erro { background: var(--erro-claro); color: var(--erro); }
.aviso.ok { background: var(--ok-claro); color: var(--ok); }

.oculto { display: none !important; }

/* ---------- modal ---------- */
.modal-fundo {
  position: fixed; inset: 0; background: rgba(30, 22, 18, .45);
  display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 50;
}
.modal {
  background: var(--papel); border-radius: 16px; box-shadow: var(--sombra);
  width: 100%; max-width: 440px; padding: 24px;
}
.modal h3 { font-size: 22px; margin-bottom: 8px; }
.modal p { margin: 0 0 20px; color: var(--suave); }
.modal .acoes { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }