:root{
  --bg:#0d1117; --card:#111827; --muted:#8b949e; --text:#e6edf3;
  --accent:#58a6ff; --btn:#222b3a; --btn-text:#d1e9ff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans","Helvetica Neue",Arial}
a{color:var(--accent);text-decoration:none}

/* === Contenedor global centrado === */
.container{max-width:960px;margin:0 auto;padding:16px}

/* === Header centrado === */
.site-header{
  display:flex; flex-direction:column; align-items:center; text-align:center; gap:8px
}
.site-header h1{margin:0;font-size:clamp(1.4rem,2.5vw,2rem)}
.site-header nav{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.site-header nav a{margin:0}
.brand{opacity:.7}

/* === Una sola columna centrada === */
.grid{display:block}
.main{display:flex;flex-direction:column;gap:24px; align-items:stretch}

/* === Buscador === */
.search-card{background:var(--card);padding:16px;border-radius:14px;box-shadow:0 0 0 1px #1f2937}
.label{display:block;margin-bottom:8px;color:#c9d1d9}
.search-row{display:flex;gap:8px}
input[type="search"]{flex:1;padding:12px 14px;border-radius:10px;border:1px solid #30363d;background:#0b1220;color:var(--text)}
.btn{background:var(--btn);color:var(--btn-text);border:1px solid #2a3347;border-radius:10px;padding:10px 14px;cursor:pointer}
.btn:hover{filter:brightness(1.05)}
.help{color:var(--muted);margin:.5rem 0 0}
.suggestions{margin-top:8px;display:flex;flex-wrap:wrap;justify-content:center}
.suggestions button{margin:4px 6px 0 0;border:1px solid #2a3347;background:#0f172a;color:#c9d1d9;border-radius:999px;padding:6px 10px;cursor:pointer}

/* === Resultado / gauge === */
.result{background:var(--card);padding:16px;border-radius:14px}
.hidden{display:none}
.result-top{display:flex;justify-content:center;align-items:center;gap:12px;margin-bottom:6px;text-align:center}
.result-top h2{margin:0;font-size:1.15rem}
.badge{background:#233046;border:1px solid #2a3347;color:#dbeafe;border-radius:999px;padding:2px 10px;font-size:.85rem}

.gauge-wrap{margin:8px 0 6px}
.gauge-label{
  display:inline-block;margin:0 0 8px 0;padding:6px 12px;border-radius:999px;
  border:1px solid #2a3347;background:#233046;color:#e6edf3;font-weight:600
}
.needle{transform-origin:160px 160px;transition:transform .85s cubic-bezier(.2,.8,.2,1)}
.percent{display:flex;justify-content:center;margin-top:-2px}
.percent #porcentaje{font-size:2rem;font-weight:800}
.explicacion{margin-top:8px;text-align:center}

/* === Audio arriba del gráfico === */
.info.onecol{display:block}
.hero-audio{margin-bottom:14px}
.audio-card{background:#0f172a;border:1px solid #2a3347;border-radius:12px;padding:12px}
.audio-card h4{margin:0 0 8px 0;font-size:1rem;text-align:center}
.audio-card audio{width:100%}

/* === Imagen a todo el ancho === */
.chart.hero{margin:0}
.chart.hero .chart-img{
  width:100%;height:auto;display:block;border-radius:12px;border:1px solid #2a3347;
  box-shadow:0 0 0 1px #2a3347, 0 6px 28px rgba(0,0,0,.35)
}

/* === Compartir (centrado, iconos blancos) === */
.share{margin-top:12px}
.share-buttons{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}
.share-btn{
  display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:8px;
  background:transparent;border:1px solid #2a3347;color:#fff;text-decoration:none;cursor:pointer
}
.share-btn:hover{background:#141a29}
.share-btn svg{width:18px;height:18px;display:block;color:#fff}

/* === Footer centrado === */
.footer{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  margin-top:12px;border-top:1px solid #1f2937;padding-top:16px;text-align:center
}