:root{
  --sb-bg:#f3f4f6;        /* fondo gris */
  --sb-accent:#ff6a00;    /* títulos naranja */
  --sb-text:#9ca3af;      /* texto gris claro */
  --sb-ink:#0f172a;
  --sb-border:#e5e7eb;
}
.sbwt-card{background:var(--sb-bg);border:1px solid var(--sb-border);border-radius:12px;padding:16px;margin:16px 0}
.sbwt-card h3{margin:0 0 10px;color:var(--sb-accent)}
.sbwt-input{width:100%;padding:8px 10px;border:1px solid var(--sb-border);border-radius:8px;background:#fff}
.sbwt-row{display:grid;grid-template-columns:1fr;gap:10px;margin:10px 0}
@media(min-width:780px){.sbwt-row{grid-template-columns:repeat(3,1fr)}}
.sbwt-btn{background:var(--sb-accent);color:#fff;border:0;border-radius:8px;padding:10px 14px;cursor:pointer}
.sbwt-btn:hover{opacity:.9}
.sbwt-hp{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}

.sbwt-result{margin-top:12px}
.sbwt-note{color:var(--sb-ink)}
.sbwt-error{color:#b91c1c;background:#fee2e2;border:1px solid #fecaca;padding:8px 10px;border-radius:8px}

/* table-like */
.sbwt-table{display:grid;grid-template-columns:80px 90px 1fr;border:1px solid var(--sb-border);border-radius:8px;overflow:hidden}
.sbwt-row{display:grid;grid-template-columns:subgrid;grid-column:1 / -1;padding:8px 10px;align-items:center}
.sbwt-head{background:#fff}
.sbwt-row:nth-child(odd){background:#fff}
.sbwt-row:nth-child(even){background:#fafafa}
.sbwt-k{font-weight:600}
.sbwt-og-img img{max-width:100%;height:auto;border:1px solid var(--sb-border);border-radius:8px;margin-top:10px}

/* SERP preview */
.sbwt-serpbox{border:1px solid var(--sb-border);border-radius:10px;padding:12px;background:#fff}
.sbwt-serpbox .sbwt-url{color:#166534;font-size:.9rem;margin-bottom:6px}
.sbwt-serpbox .sbwt-title{color:#1d4ed8;font-size:1.1rem;line-height:1.25;margin-bottom:6px}
.sbwt-serpbox .sbwt-desc{color:#334155}
.sbwt-date{color:#6b7280;margin-right:6px}