/* ============================================================
   SIGMA Approx Engine v1.0 — style.css
   ============================================================ */
:root {
  --bg: #0f1115;
  --bg-card: #1a1d24;
  --bg-elev: #22262f;
  --border: #2c313c;
  --text: #e6e8ec;
  --text-dim: #9aa0ab;
  --accent: #4f8cff;
  --accent-dim: #2a4a82;
  --green: #3ecf8e;
  --amber: #e0a93a;
  --red: #e05a5a;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  min-height: 100vh;
}

.wrap { max-width: 960px; margin: 0 auto; padding: 24px 18px 80px; }

/* Header / nav */
header { border-bottom: 1px solid var(--border); margin-bottom: 28px; }
.nav { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; flex-wrap: wrap; gap: 12px; }
.logo { font-size: 20px; font-weight: 600; letter-spacing: -0.02em; }
.logo span { color: var(--accent); }
.nav-links { display: flex; gap: 18px; flex-wrap: wrap; }
.nav-links a { color: var(--text-dim); text-decoration: none; font-size: 14px; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }

/* Hero */
.hero { text-align: center; padding: 32px 0 24px; }
.hero h1 { font-size: 32px; font-weight: 700; letter-spacing: -0.03em; margin-bottom: 10px; }
.hero p { color: var(--text-dim); max-width: 620px; margin: 0 auto 20px; font-size: 16px; }
.badge-null { display: inline-block; font-size: 12px; padding: 4px 12px; border-radius: 20px; background: var(--bg-elev); color: var(--amber); border: 1px solid var(--border); }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; margin-bottom: 18px; }
.card h2 { font-size: 18px; margin-bottom: 14px; font-weight: 600; }
.card h3 { font-size: 15px; margin: 16px 0 8px; color: var(--text-dim); font-weight: 600; }

/* Form */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 14px; margin-bottom: 6px; color: var(--text-dim); }
.field input {
  width: 100%; padding: 11px 14px; border-radius: 8px;
  background: var(--bg-elev); border: 1px solid var(--border);
  color: var(--text); font-size: 15px; font-family: var(--font);
}
.field input:focus { outline: none; border-color: var(--accent); }
.hint { font-size: 12px; color: var(--text-dim); margin-top: 5px; }

/* Buttons */
.btn { display: inline-block; padding: 12px 22px; border-radius: 8px; border: none; cursor: pointer; font-size: 15px; font-weight: 600; font-family: var(--font); transition: background .15s, transform .05s; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #3d7af0; }
.btn-primary:active { transform: translateY(1px); }
.btn-ghost { background: var(--bg-elev); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--border); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }

/* Jogos grid */
.jogos { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px; margin-top: 8px; }
.jogo { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.jogo-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.jogo-num { font-size: 12px; color: var(--text-dim); }
.perfil { font-size: 11px; padding: 2px 8px; border-radius: 12px; font-weight: 600; }
.perfil.Conservador { background: var(--accent-dim); color: #cfe0ff; }
.perfil.Equilibrado { background: #2c3a2a; color: #b8e6b0; }
.perfil.Agressivo { background: #4a2a2a; color: #f0997b; }
.dezenas { display: flex; flex-wrap: wrap; gap: 5px; }
.dz { width: 30px; height: 30px; display: flex; align-items: center; justify-content: center; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; font-size: 13px; font-weight: 600; }
.dz.rep { border-color: var(--green); color: var(--green); }

/* Análise */
.stats { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; margin-top: 8px; }
.stat { background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.stat .label { font-size: 12px; color: var(--text-dim); margin-bottom: 3px; }
.stat .value { font-size: 20px; font-weight: 600; }

/* Aviso */
.aviso { background: #1e1a12; border: 1px solid #4a3d1a; border-radius: var(--radius); padding: 16px 18px; margin: 18px 0; font-size: 14px; color: #e8d9b0; }
.aviso strong { color: var(--amber); }

/* Content pages */
.content p { margin-bottom: 14px; color: var(--text); }
.content ul { margin: 0 0 14px 20px; color: var(--text-dim); }
.content li { margin-bottom: 6px; }
.content .ok { color: var(--green); }
.content .no { color: var(--red); }

/* Footer */
footer { border-top: 1px solid var(--border); margin-top: 50px; padding: 24px 0; text-align: center; color: var(--text-dim); font-size: 13px; }

.hidden { display: none; }

@media (max-width: 600px) {
  .hero h1 { font-size: 26px; }
  .jogos { grid-template-columns: 1fr; }
}