:root{--wpdg-primary:#6366f1;--wpdg-accent:#22d3ee;--wpdg-text:#0b1220;--wpdg-muted:#5b6b82}
.wpdg-root{max-width:900px;margin:24px auto;padding:16px;color:var(--wpdg-text);font-family:Inter,system-ui,-apple-system,'Segoe UI',Roboto,'Noto Sans JP',sans-serif}
.wpdg-card{background:rgba(255,255,255,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.6);border-radius:24px;padding:32px;box-shadow:0 20px 40px rgba(15,23,42,.12)}
.wpdg-title{font-size:2rem;font-weight:800;letter-spacing:.2px;margin:0 0 6px;background:linear-gradient(90deg,var(--wpdg-primary),var(--wpdg-accent));-webkit-background-clip:text;background-clip:text;color:transparent;text-align:center}
.wpdg-sub{color:var(--wpdg-muted);text-align:center;margin-bottom:16px}
.wpdg-progress{height:8px;border-radius:999px;background:rgba(15,23,42,.08);overflow:hidden;margin:8px 0 18px}
.wpdg-progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--wpdg-primary),var(--wpdg-accent))}
.wpdg-qtext{font-size:1.3rem;font-weight:700;text-align:center;margin:10px 0 16px}
.wpdg-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.wpdg-options{grid-template-columns:1fr}}
.wpdg-option{background:rgba(255,255,255,.7);border:1px solid rgba(15,23,42,.08);border-radius:16px;padding:16px;cursor:pointer;transition:transform .16s ease, box-shadow .16s ease}
.wpdg-option:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,23,42,.12)}
.wpdg-option .label{font-weight:700}.wpdg-option .hint{color:var(--wpdg-muted);font-size:.9rem;margin-top:6px}
.wpdg-btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border:0;border-radius:12px;background:linear-gradient(90deg,var(--wpdg-primary),var(--wpdg-accent));color:#fff;font-weight:700;box-shadow:0 12px 24px rgba(99,102,241,.35);cursor:pointer}
.wpdg-actions{text-align:center;margin-top:18px}.wpdg-score{color:var(--wpdg-muted);margin-bottom:6px}
.wpdg-start-html{margin:12px auto 8px;max-width:640px;line-height:1.75;font-size:1.05rem}
.wpdg-start-html p{margin:0 0 .75rem}
.wpdg-start-html ul{margin:.5rem 0 .75rem 1.25rem}
.wpdg-start-html li{margin:.25rem 0}
.wpdg-start-html a{text-decoration:underline}

/* Added in 0.4.5: mobile vertical options & result title neutral */
@media(max-width:640px){.wpdg-options{display:flex;flex-direction:column;gap:12px}}
.wpdg-result-title{margin:8px 0;font-weight:700;}

/* ensure start question text visible */
.wpdg-question .wpdg-qtext { display:block !important; }