:root{--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--accent-red:#ef4444;--accent-gold:#f59e0b;--accent-blue:#38bdf8;--accent-emerald:#10b981;--border:#ffffff1a;--font-family:"Plus Jakarta Sans", system-ui, sans-serif;--font-heading:"Outfit", system-ui, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);color:var(--text-main);background:radial-gradient(circle at 0 0,#1e1b4b 0%,#0f172a 50%,#020617 100%);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:1.5rem;display:flex;overflow-x:hidden}button{cursor:pointer;border:none;outline:none;font-family:inherit;transition:all .2s}.quiz-container{background:var(--bg-card);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border);border-radius:24px;width:100%;max-width:680px;padding:2.5rem;position:relative;overflow:hidden;box-shadow:0 25px 50px -12px #00000080}.quiz-header{text-align:center;margin-bottom:2rem}.badge-indonesia{color:#f87171;letter-spacing:.05em;text-transform:uppercase;background:#ef444426;border:1px solid #ef44444d;border-radius:9999px;align-items:center;gap:.5rem;margin-bottom:1rem;padding:.35rem .9rem;font-size:.85rem;font-weight:700;display:inline-flex}.quiz-title{font-family:var(--font-heading);background:linear-gradient(135deg,#fff 0%,#cbd5e1 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.2rem;font-weight:800}.quiz-subtitle{color:var(--text-muted);font-size:.95rem;line-height:1.5}.progress-bar-bg{background:#ffffff1a;border-radius:9999px;width:100%;height:8px;margin:1.5rem 0 2rem;overflow:hidden}.progress-bar-fill{background:linear-gradient(90deg,#ef4444 0%,#f59e0b 100%);height:100%;transition:width .4s cubic-bezier(.4,0,.2,1)}.question-meta{color:var(--text-muted);justify-content:space-between;align-items:center;margin-bottom:1.25rem;font-size:.85rem;font-weight:600;display:flex}.question-number{color:var(--accent-blue);font-size:1rem;font-weight:700}.question-text{color:var(--text-main);margin-bottom:1.75rem;font-size:1.25rem;font-weight:700;line-height:1.6}.options-grid{flex-direction:column;gap:.85rem;margin-bottom:2rem;display:flex}.option-button{border:1px solid var(--border);width:100%;color:var(--text-main);text-align:left;background:#0f172a99;border-radius:16px;justify-content:space-between;align-items:center;padding:1.1rem 1.3rem;font-size:1rem;font-weight:600;transition:all .2s;display:flex}.option-button:hover:not(:disabled){background:#ffffff14;border-color:#ffffff4d;transform:translateY(-2px)}.option-button.correct{border-color:var(--accent-emerald)!important;color:#34d399!important;background:#10b98133!important}.option-button.incorrect{border-color:var(--accent-red)!important;color:#f87171!important;background:#ef444433!important}.explanation-box{color:#e0f2fe;background:#38bdf81a;border:1px solid #38bdf84d;border-radius:16px;margin-bottom:1.5rem;padding:1.2rem;font-size:.9rem;line-height:1.6}.action-btn{color:#fff;background:linear-gradient(135deg,#ef4444 0%,#dc2626 100%);border-radius:16px;width:100%;padding:1.1rem;font-size:1.05rem;font-weight:700;box-shadow:0 10px 25px -5px #ef444466}.action-btn:hover{transform:translateY(-2px);box-shadow:0 15px 30px -5px #ef444480}.result-card{text-align:center}.result-icon{margin-bottom:1rem;font-size:4rem}.result-score{font-size:3.5rem;font-weight:800;font-family:var(--font-heading);color:var(--accent-gold);margin-bottom:.5rem}.result-feedback{color:var(--text-main);margin-bottom:1.5rem;font-size:1.2rem;font-weight:700}