.bv-game{--bv-text:#171717;--bv-muted:#666;--bv-line:#e7e7e7;--bv-surface:#fff;--bv-soft:#f6f7f8;--bv-accent:#111827;--bv-good:#0f7a3d;--bv-bad:#b42318;max-width:760px;margin:24px auto;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--bv-text)}
.bv-card{background:var(--bv-surface);border:1px solid var(--bv-line);border-radius:24px;padding:clamp(22px,5vw,42px);box-shadow:0 14px 50px rgba(0,0,0,.07)}
.bv-start-screen{text-align:center;padding-top:48px;padding-bottom:48px}
.bv-kicker{font-size:12px;font-weight:900;letter-spacing:.16em;color:var(--bv-muted);margin-bottom:12px}
.bv-title{font-size:clamp(30px,7vw,52px);line-height:1.02;letter-spacing:-.04em;margin:0 0 16px}
.bv-intro{font-size:clamp(17px,3.5vw,20px);line-height:1.55;color:var(--bv-muted);max-width:610px;margin:0 auto 22px}
.bv-start-badge{display:inline-block;background:var(--bv-soft);padding:9px 14px;border-radius:999px;font-size:13px;font-weight:800;margin-bottom:24px}
.bv-btn{width:100%;border:0;border-radius:14px;padding:16px 18px;font-weight:900;font-size:15px;cursor:pointer;transition:transform .15s ease,opacity .15s ease,background .15s ease}
.bv-btn:hover{transform:translateY(-1px)}
.bv-btn:active{transform:translateY(0)}
.bv-primary{background:var(--bv-accent);color:#fff}
.bv-secondary{background:var(--bv-soft);color:var(--bv-text);border:1px solid var(--bv-line)}
.bv-whatsapp{background:#1f7a49;color:#fff}
.bv-restart{margin-top:14px;background:transparent;border:1px solid var(--bv-line);color:var(--bv-text)}
.bv-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--bv-muted);font-weight:800;margin-bottom:10px}
.bv-progress{height:8px;background:var(--bv-soft);border-radius:999px;overflow:hidden;margin-bottom:24px}
.bv-progress span{display:block;height:100%;width:0;background:var(--bv-accent);transition:width .3s ease}
.bv-image-wrap{margin:0 0 20px;overflow:hidden;border-radius:18px;background:var(--bv-soft);aspect-ratio:16/10}
.bv-image-wrap img{width:100%;height:100%;object-fit:cover;display:block}
.bv-question{font-size:clamp(23px,5vw,34px);line-height:1.15;letter-spacing:-.025em;margin:0 0 22px}
.bv-options{display:grid;gap:11px}
.bv-option{display:flex;align-items:flex-start;gap:12px;text-align:left;background:#fff;border:1.5px solid var(--bv-line);border-radius:15px;padding:15px 16px;font-weight:800;font-size:16px;cursor:pointer;line-height:1.35}
.bv-option:hover{border-color:#c9c9c9;background:#fafafa}
.bv-option[disabled]{cursor:default;opacity:1}
.bv-option.is-correct{border-color:#8fd1aa;background:#edf9f1;color:var(--bv-good)}
.bv-option.is-wrong{border-color:#f1aaa3;background:#fff2f0;color:var(--bv-bad)}
.bv-option-letter{display:inline-grid;place-items:center;flex:0 0 28px;height:28px;border-radius:50%;background:var(--bv-soft);font-size:12px}
.bv-feedback{margin:18px 0 14px;padding:14px 16px;border-radius:14px;background:var(--bv-soft);line-height:1.45;font-size:14px;color:var(--bv-muted)}
.bv-result-screen{text-align:center}
.bv-result-icon{font-size:54px;margin-bottom:8px}
.bv-result-title{font-size:clamp(52px,14vw,90px);letter-spacing:-.06em;line-height:.95;margin:0 0 12px}
.bv-result-message{font-size:18px;color:var(--bv-muted);line-height:1.5;max-width:540px;margin:0 auto 24px}
.bv-share-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.bv-share-grid .bv-primary{grid-column:1/-1}
.bv-origin{display:block;color:#999;margin-top:15px;font-size:11px}
.bv-game-error{max-width:760px;margin:20px auto;padding:16px;border:1px solid #e8b4b0;background:#fff2f0;border-radius:12px;color:#8a1c13}
@media(max-width:560px){.bv-game{margin:12px 0}.bv-card{border-radius:18px;padding:22px 16px}.bv-start-screen{padding-top:34px;padding-bottom:34px}.bv-share-grid{grid-template-columns:1fr}.bv-share-grid .bv-primary{grid-column:auto}.bv-question{font-size:25px}.bv-option{font-size:15px}}