/* ══════════════════════════════════════════════════════════════
   app.css — casca da aplicação: barra superior, formulário e palco
   ══════════════════════════════════════════════════════════════ */

:root {
  --verde: #4d7f3a;
  --verde-claro: #65a34a;
  --vermelho: #8f2a20;
  --tinta: #1c1f1a;
  --tinta-fraca: #6b7168;
  --linha: #dfe2dc;
  --fundo: #eff1ed;
  --papel: #fff;
  --raio: 8px;
  --sombra: 0 1px 2px rgba(28, 31, 26, .06), 0 8px 24px rgba(28, 31, 26, .07);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--fundo);
  color: var(--tinta);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
}

/* ── barra superior ─────────────────────────────────────────── */
.topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 20px;
  background: var(--papel);
  border-bottom: 1px solid var(--linha);
}
.topbar__marca { display: flex; align-items: center; gap: 12px; min-width: 0; }
.topbar__marca img { width: 30px; height: auto; }
.topbar__marca div { display: flex; flex-direction: column; min-width: 0; }
.topbar__marca strong { font-size: 14px; letter-spacing: .1px; }
.topbar__marca span {
  font-size: 12px;
  color: var(--tinta-fraca);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.topbar__acoes { display: flex; align-items: center; gap: 10px; }

.salvo {
  font-size: 12px;
  color: var(--tinta-fraca);
  opacity: 0;
  transition: opacity .25s;
}
.salvo.visivel { opacity: 1; }

.btn {
  font: inherit;
  font-weight: 600;
  font-size: 13px;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
}
.btn:focus-visible { outline: 2px solid var(--verde); outline-offset: 2px; }
.btn--primario { background: var(--verde); color: #fff; }
.btn--primario:hover { background: #416b31; }
.btn--ghost { background: transparent; color: var(--tinta-fraca); border-color: var(--linha); }
.btn--ghost:hover { color: var(--vermelho); border-color: #d9c4c1; }

/* ── divisão principal ──────────────────────────────────────── */
.split {
  flex: 1 1 auto;
  display: flex;
  min-height: 0;
}

.painel { min-height: 0; }

.painel--form {
  flex: 0 0 clamp(360px, 32%, 470px);
  background: var(--papel);
  border-right: 1px solid var(--linha);
  overflow-y: auto;
  padding: 20px 22px 60px;
}

.painel--preview {
  flex: 1 1 auto;
  overflow: auto;
  background: var(--fundo);
}

/* ── formulário ─────────────────────────────────────────────── */
fieldset { border: 0; margin: 0 0 26px; padding: 0; }

legend {
  padding: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .7px;
  color: var(--verde);
}

.grade {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 12px;
}
.c3 { grid-column: span 3; }
.c4 { grid-column: span 4; }
.c5 { grid-column: span 5; }
.c6 { grid-column: span 6; }
.c7 { grid-column: span 7; }
.c8 { grid-column: span 8; }
.c9 { grid-column: span 9; }
.c12 { grid-column: span 12; }

.grade > label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--tinta-fraca);
  min-width: 0;
}

input[type="text"],
input[type="email"] {
  font: inherit;
  font-size: 14px;
  text-transform: none;
  letter-spacing: 0;
  color: var(--tinta);
  padding: 8px 10px;
  border: 1px solid var(--linha);
  border-radius: 6px;
  background: #fbfcfa;
  width: 100%;
  min-width: 0;
}
input[type="text"]:focus,
input[type="email"]:focus {
  outline: 0;
  border-color: var(--verde-claro);
  box-shadow: 0 0 0 3px rgba(101, 163, 74, .18);
  background: #fff;
}
input::placeholder { color: #b3b8af; }

input[type="file"] {
  font-size: 12px;
  color: var(--tinta-fraca);
  padding: 6px 0;
}

.link {
  align-self: flex-start;
  font: inherit;
  font-size: 12px;
  background: none;
  border: 0;
  padding: 0;
  color: var(--vermelho);
  cursor: pointer;
  text-decoration: underline;
}

.campo-grupo {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--linha);
  border-radius: var(--raio);
  background: #fbfcfa;
}
.campo-grupo__titulo {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .4px;
  color: var(--tinta-fraca);
}
.radio,
.check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--tinta);
  cursor: pointer;
}
.radio input, .check input { accent-color: var(--verde); width: 15px; height: 15px; margin: 0; }

/* ── palco de pré-visualização ──────────────────────────────── */
.palco {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 24px;
  height: 100%;
}
.folha-wrap {
  transform-origin: top center;
  transition: transform .12s ease-out;
}
.ficha {
  box-shadow: var(--sombra);
  border-radius: 2px;
}

/* ── telas estreitas ────────────────────────────────────────── */
@media (max-width: 900px) {
  .split { flex-direction: column; }
  .painel--form {
    flex: 0 0 auto;
    border-right: 0;
    border-bottom: 1px solid var(--linha);
    max-height: 55vh;
  }
  .painel--preview { flex: 1 1 auto; }
  .topbar { flex-wrap: wrap; }
}