/* iContábil IA — tema DARK NEON + ROXO.
   Mantém as cores da marca (verde #22c55e, vermelho #e8202a) e adiciona
   roxo neon como acento, com brilhos (glow) sobre fundo escuro. */
:root {
  /* Marca */
  --verde: #22c55e;
  --verde-claro: #4ade80;
  --vermelho: #ff3b45;
  /* Roxo neon (acento) */
  --roxo: #a855f7;
  --roxo-claro: #c084fc;

  /* Fundo escuro com leve tom arroxeado */
  --bg: #0a0a12;
  --surface: #14141f;
  --surface-2: #1c1c2b;
  --borda: #2a2a3d;
  --borda-suave: #23233399;

  /* Texto */
  --texto: #ededf2;
  --texto-suave: #a1a1b5;

  /* Glows neon reutilizáveis */
  --glow-verde: 0 0 8px rgba(34, 197, 94, 0.55), 0 0 22px rgba(34, 197, 94, 0.3);
  --glow-roxo: 0 0 8px rgba(168, 85, 247, 0.6), 0 0 24px rgba(168, 85, 247, 0.35);
  --grad-marca: linear-gradient(90deg, var(--verde) 0%, var(--roxo) 100%);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--texto);
  line-height: 1.5;
  background:
    radial-gradient(900px 500px at 12% -8%, rgba(168, 85, 247, 0.16), transparent 60%),
    radial-gradient(800px 500px at 100% 0%, rgba(34, 197, 94, 0.12), transparent 55%),
    var(--bg);
  min-height: 100vh;
}

/* --- Topo e rodapé --- */
.topo {
  display: flex; align-items: baseline; gap: 0.75rem; flex-wrap: wrap;
  padding: 1rem 1.5rem;
  background: rgba(10, 10, 18, 0.85);
  border-bottom: 1px solid var(--borda);
  backdrop-filter: blur(6px);
}
.marca { font-size: 1.3rem; font-weight: 800; color: #fff; letter-spacing: 0.3px; }
.marca b {
  color: var(--verde);
  text-shadow: var(--glow-verde);
}
.topo-sub { font-size: 0.85rem; color: var(--texto-suave); }

.rodape {
  margin-top: 3rem; padding: 1.25rem 1.5rem;
  background: rgba(10, 10, 18, 0.85);
  border-top: 1px solid var(--borda);
  color: var(--texto-suave); font-size: 0.78rem;
}

/* --- Stepper --- */
.stepper {
  display: flex; gap: 0.5rem; list-style: none; margin: 0 auto; padding: 1.25rem 1.5rem;
  max-width: 760px; counter-reset: passo;
}
.stepper li {
  flex: 1; font-size: 0.78rem; color: var(--texto-suave);
  padding-top: 1.7rem; position: relative; text-align: center;
}
.stepper li::before {
  counter-increment: passo; content: counter(passo);
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--surface-2); color: var(--texto-suave); font-weight: 700;
  display: grid; place-items: center; border: 1px solid var(--borda);
  transition: all 0.25s ease;
}
.stepper li.ativo { color: #fff; font-weight: 600; }
.stepper li.ativo::before {
  background: var(--grad-marca); color: #0a0a12; border-color: transparent;
  box-shadow: var(--glow-roxo);
}

/* --- Layout --- */
.container { max-width: 760px; margin: 0 auto; padding: 1rem 1.5rem 2rem; }
.passo {
  background: linear-gradient(180deg, var(--surface) 0%, #101019 100%);
  border: 1px solid var(--borda); border-radius: 16px; padding: 1.85rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.03);
}
.passo[hidden] { display: none; }

h1 {
  font-size: 1.75rem; line-height: 1.2; margin: 0 0 0.5rem;
  background: var(--grad-marca); -webkit-background-clip: text;
  background-clip: text; -webkit-text-fill-color: transparent;
}
h2 { font-size: 1.4rem; margin: 0 0 0.5rem; color: #fff; }
h3 { margin: 0 0 0.5rem; color: #fff; }
.lead { color: var(--texto-suave); margin: 0 0 1.25rem; }

/* --- Formulários --- */
label { display: block; font-weight: 600; margin: 1.1rem 0 0.4rem; color: var(--texto); }
.dica { font-weight: 400; color: var(--texto-suave); font-size: 0.85rem; }
input, select {
  width: 100%; padding: 0.75rem 0.85rem; font-size: 1rem;
  border: 1px solid var(--borda); border-radius: 10px;
  background: #0d0d16; color: var(--texto);
  transition: border-color 0.2s, box-shadow 0.2s;
}
input::placeholder { color: #5a5a70; }
input:focus, select:focus {
  outline: none; border-color: var(--roxo);
  box-shadow: var(--glow-roxo);
}
select option { background: #14141f; }

.linha { display: flex; gap: 0.6rem; }
.linha input { flex: 1; }
.linha-range { display: flex; align-items: center; gap: 0.8rem; }
.linha-range input[type="range"] { flex: 1; accent-color: var(--roxo); }
.linha-range output {
  min-width: 3rem; text-align: right; font-weight: 800; color: var(--verde-claro);
  text-shadow: var(--glow-verde);
}

/* Campo de percentual com sufixo "%" */
.linha-pct { display: flex; align-items: center; gap: 0.5rem; max-width: 220px; }
.linha-pct input { text-align: right; }
.linha-pct .sufixo { font-weight: 800; color: var(--verde-claro); text-shadow: var(--glow-verde); }
.derivado { margin: 0.5rem 0 0; font-size: 0.88rem; color: var(--texto-suave); }
.derivado b { color: var(--roxo-claro); }

.erro { color: var(--vermelho); font-weight: 600; margin: 0.6rem 0 0; text-shadow: 0 0 10px rgba(255, 59, 69, 0.4); }
.aviso-dev { color: var(--roxo-claro); font-size: 0.82rem; font-style: italic; margin-top: 0.8rem; }

/* --- Botões --- */
.btn {
  margin-top: 1rem; padding: 0.75rem 1.3rem; font-size: 1rem; font-weight: 700;
  color: var(--texto); background: var(--surface-2);
  border: 1px solid var(--borda); border-radius: 10px; cursor: pointer;
  transition: all 0.2s ease;
}
.btn:hover { border-color: var(--roxo); color: #fff; box-shadow: var(--glow-roxo); }
.btn.primario {
  color: #06140b; background: var(--verde); border-color: transparent;
  box-shadow: var(--glow-verde);
}
.btn.primario:hover { background: var(--verde-claro); box-shadow: 0 0 12px rgba(34,197,94,0.8), 0 0 30px rgba(34,197,94,0.45); }
.btn.link { background: none; border: none; color: var(--roxo-claro); text-decoration: underline; box-shadow: none; }
.btn.link:hover { color: #fff; box-shadow: none; }
.btn:disabled { opacity: 0.55; cursor: progress; box-shadow: none; }
.acoes { display: flex; gap: 0.6rem; justify-content: space-between; flex-wrap: wrap; }

/* --- Card de preview do CNPJ --- */
.card-preview {
  margin-top: 1.25rem; padding: 1.15rem; border: 1px solid var(--borda);
  border-radius: 12px; background: #0d0d16;
  border-left: 3px solid var(--roxo); box-shadow: inset 0 0 30px rgba(168,85,247,0.06);
}
.card-preview h3 { color: var(--roxo-claro); }
.card-preview dl { display: grid; gap: 0.5rem; margin: 0.5rem 0 0; }
.card-preview dt { font-size: 0.72rem; color: var(--texto-suave); text-transform: uppercase; letter-spacing: 0.05em; }
.card-preview dd { margin: 0; font-weight: 600; color: var(--texto); }

/* --- Resultado --- */
.banner-rec {
  border-radius: 14px; padding: 1.4rem; margin-bottom: 1.25rem;
  background: linear-gradient(135deg, rgba(34,197,94,0.12), rgba(168,85,247,0.12));
  border: 1px solid var(--verde);
  box-shadow: var(--glow-verde);
}
.banner-rec.fraca { border-color: var(--roxo); box-shadow: var(--glow-roxo); }
.banner-rec.paywall { border-color: var(--vermelho); box-shadow: 0 0 8px rgba(255,59,69,0.5), 0 0 24px rgba(255,59,69,0.3); }
.banner-rec .rec-tag { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--texto-suave); }
.banner-rec strong {
  display: block; font-size: 1.6rem; margin: 0.2rem 0 0.5rem; color: #fff;
  text-shadow: var(--glow-verde);
}
.banner-rec.fraca strong, .banner-rec.paywall strong { text-shadow: var(--glow-roxo); }
.banner-rec p { margin: 0; color: var(--texto-suave); }

.grade-cenarios { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 560px) { .grade-cenarios { grid-template-columns: 1fr; } }
.card-cenario {
  border: 1px solid var(--borda); border-radius: 12px; padding: 1.15rem; background: #0d0d16;
}
.card-cenario.destaque {
  border-color: var(--verde);
  box-shadow: var(--glow-verde);
}
.card-cenario .num { font-size: 1.55rem; font-weight: 800; margin: 0.3rem 0; color: #fff; }
.card-cenario .num small { display: block; font-size: 0.72rem; font-weight: 400; color: var(--texto-suave); }
.card-cenario .obs { font-size: 0.85rem; color: var(--texto-suave); margin: 0.35rem 0 0; }
.card-cenario .obs b { color: var(--verde-claro); }

/* Bloco "Como interpretar" */
.como-ler {
  margin-top: 1.25rem; padding: 1.1rem 1.25rem; border-radius: 12px;
  background: #0d0d16; border: 1px solid var(--borda); border-left: 3px solid var(--roxo);
}
.como-ler h4 { margin: 0 0 0.6rem; color: var(--roxo-claro); font-size: 1rem; }
.como-ler ul { margin: 0; padding-left: 1.1rem; }
.como-ler li { color: var(--texto-suave); font-size: 0.9rem; margin-bottom: 0.5rem; line-height: 1.5; }
.como-ler li:last-child { margin-bottom: 0; }

.card-preview .obs { font-size: 0.85rem; color: var(--texto-suave); margin: 0.4rem 0 0; }

.premissas { font-size: 0.85rem; color: var(--texto-suave); margin: 1.1rem 0; }
.premissas b { color: var(--roxo-claro); }
.cta-lead {
  margin-top: 1.5rem; padding: 1.25rem 1.35rem; border-radius: 14px;
  background: linear-gradient(135deg, #14141f, #1a1030);
  border: 1px solid var(--roxo); box-shadow: var(--glow-roxo);
}
.cta-lead b { color: var(--verde-claro); text-shadow: var(--glow-verde); }
.cta-lead p { margin: 0.35rem 0 0; color: var(--texto-suave); font-size: 0.9rem; }
.disclaimer { font-size: 0.78rem; color: var(--texto-suave); margin-top: 1.25rem; }