:root{--primary:#2563eb;--primary-hover:#1d4ed8;--secondary:#f43f5e;--success:#10b981;--error:#ef4444;--bg-dark:#0f172a;--glass-bg:#1e293bb3;--glass-border:#ffffff1a;--text-main:#f8fafc;--text-muted:#94a3b8}*{box-sizing:border-box;margin:0;padding:0;font-family:Outfit,sans-serif}body{background-color:var(--bg-dark);color:var(--text-main);justify-content:center;align-items:center;min-height:100vh;display:flex;position:relative;overflow-x:hidden}.background-decor{z-index:-1;background:linear-gradient(135deg,#020617,#0f172a);width:100vw;height:100vh;position:fixed;top:0;left:0;overflow:hidden}.circle{filter:blur(80px);opacity:.5;border-radius:50%;animation:20s ease-in-out infinite alternate float;position:absolute}.circle-1{background:radial-gradient(circle,#2563eb,#0000 70%);width:50vw;height:50vw;animation-delay:0s;top:-10%;left:-10%}.circle-2{background:radial-gradient(circle,#e11d48,#0000 70%);width:60vw;height:60vw;animation-delay:-5s;bottom:-20%;right:-10%}.circle-3{background:radial-gradient(circle,#8b5cf6,#0000 70%);width:40vw;height:40vw;animation-delay:-10s;top:40%;left:40%}@keyframes float{0%{transform:translate(0)scale(1)}to{transform:translate(5%,10%)scale(1.1)}}#app{z-index:1;flex-direction:column;gap:2rem;width:100%;max-width:800px;padding:2rem;display:flex}header{justify-content:flex-end;display:flex}.score-board{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:1rem;align-items:center;gap:1rem;padding:1rem 1.5rem;display:flex;box-shadow:0 10px 25px #0003}.score-card{flex-direction:column;align-items:center;padding:0 1rem;display:flex}.score-card:first-child{border-right:1px solid var(--glass-border)}.score-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);font-size:.8rem}.score-value{color:var(--text-main);font-size:1.5rem;font-weight:800}.reset-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:50%;padding:.5rem;font-size:1.2rem;transition:all .3s}.reset-btn:hover{color:var(--text-main);background:#ffffff1a;transform:rotate(180deg)}.quiz-container{background:var(--glass-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:1.5rem;flex-direction:column;justify-content:center;min-height:400px;padding:3rem;display:flex;box-shadow:0 20px 40px #0000004d}.loading{text-align:center;color:var(--text-muted);font-size:1.5rem;animation:1.5s infinite pulse}@keyframes pulse{0%{opacity:.5}50%{opacity:1}to{opacity:.5}}.hidden{display:none!important}.question-text{text-align:center;margin-bottom:2.5rem;font-size:1.8rem;font-weight:600;line-height:1.4}.propositions-grid{flex-direction:column;gap:1rem;display:flex}.proposition-btn{color:var(--text-main);text-align:left;cursor:pointer;background:#ffffff0d;border:1px solid #ffffff1a;border-radius:.75rem;padding:1.25rem 1.5rem;font-size:1.1rem;transition:all .3s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.proposition-btn:before{content:"";background:var(--primary);transform-origin:bottom;width:4px;height:100%;transition:transform .3s;position:absolute;top:0;left:0;transform:scaleY(0)}.proposition-btn.correct{border-color:var(--success);background:#10b98133}.proposition-btn.correct:before{background:var(--success);transform:scaleY(1)}.proposition-btn.wrong{border-color:var(--error);background:#ef444433}.proposition-btn.wrong:before{background:var(--error);transform:scaleY(1)}.proposition-btn:disabled{cursor:not-allowed;box-shadow:none;transform:none}.feedback{text-align:center;margin-top:2rem;animation:.4s forwards slideUp}.feedback p{margin-bottom:1.5rem;font-size:1.25rem;font-weight:600}.feedback p.success-text{color:var(--success)}.feedback p.error-text{color:var(--error)}.primary-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:999px;padding:1rem 2rem;font-size:1.1rem;font-weight:600;transition:all .3s;box-shadow:0 4px 14px #2563eb63}.primary-btn:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 6px 20px #2563eb63}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@media (width<=600px){#app{gap:1.5rem;padding:1rem}header{justify-content:center}.score-board{justify-content:space-around;gap:.25rem;width:100%;padding:.75rem .5rem}.score-card{padding:0 .25rem}.score-value{font-size:1.1rem}.score-label{font-size:.65rem}.quiz-container{padding:2rem 1.5rem}.question-text{font-size:1.4rem}.proposition-btn{padding:1rem;font-size:1rem}}.progress-container{background:#ffffff1a;border-radius:3px;width:100%;height:6px;margin-top:1.5rem;position:relative;overflow:hidden}.progress-bar{transform-origin:0;border-radius:3px;width:100%;height:100%}.progress-bar.correct{background:var(--success)}.progress-bar.wrong{background:var(--error)}.modal{z-index:100;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);background:#000000b3;justify-content:center;align-items:center;width:100vw;height:100vh;display:flex;position:fixed;top:0;left:0}.modal-content{background:var(--bg-dark);border:1px solid var(--glass-border);border-radius:1.5rem;flex-direction:column;width:90%;max-width:600px;max-height:80vh;padding:2rem;display:flex;box-shadow:0 25px 50px -12px #00000080}.modal-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.close-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;font-size:2rem;transition:color .3s}.close-btn:hover{color:var(--error)}.history-list{flex-direction:column;flex-grow:1;gap:1rem;margin-bottom:1.5rem;padding-right:.5rem;display:flex;overflow-y:auto}.history-list::-webkit-scrollbar{width:8px}.history-list::-webkit-scrollbar-track{background:#ffffff0d;border-radius:4px}.history-list::-webkit-scrollbar-thumb{background:#fff3;border-radius:4px}.history-item{background:#ffffff0d;border-left:4px solid #0000;border-radius:.75rem;padding:1rem}.history-item.correct{border-left-color:var(--success)}.history-item.wrong{border-left-color:var(--error)}.history-question{margin-bottom:.5rem;font-size:1.1rem;font-weight:600}.history-answer{color:var(--text-muted);font-size:.95rem}.danger-btn{color:var(--error);border:1px solid var(--error);cursor:pointer;background:#ef444433;border-radius:.75rem;width:100%;padding:.75rem;font-weight:600;transition:all .3s}.danger-btn:hover{background:var(--error);color:#fff}.buy-coffee{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);color:var(--text-main);z-index:50;border-radius:999px;align-items:center;gap:.75rem;padding:.75rem 1.25rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;bottom:2rem;right:2rem;box-shadow:0 10px 25px #0003}.buy-coffee:hover{background:#ffffff1a;border-color:#fff3;transform:translateY(-5px)scale(1.05);box-shadow:0 15px 30px #0000004d}.buy-coffee .coffee-icon{filter:drop-shadow(0 0 5px #ffffff4d);font-size:1.2rem}@media (width<=600px){.buy-coffee{padding:.6rem 1rem;font-size:.8rem;bottom:1rem;right:1rem}}.donation-container{text-align:center;flex-direction:column;gap:2rem;display:flex}.donation-text{color:var(--text-main);margin-bottom:1rem;font-size:1.2rem;line-height:1.6}.donation-btns{flex-direction:column;align-items:center;gap:1rem;display:flex}.paypal-btn{color:#003087;background:#ffc439;border-radius:999px;align-items:center;gap:.5rem;padding:1rem 2rem;font-weight:800;text-decoration:none;transition:all .3s;display:flex;box-shadow:0 4px 14px #ffc43963}.paypal-btn:hover{background:#f2ba36;transform:translateY(-2px);box-shadow:0 6px 20px #ffc43963}.heart-btn{cursor:pointer;filter:drop-shadow(0 0 5px #f43f5e4d);background:0 0;border:none;justify-content:center;align-items:center;padding:.5rem;font-size:1.5rem;transition:transform .3s cubic-bezier(.175,.885,.32,1.275);display:flex}.heart-btn:hover{transform:scale(1.3)rotate(10deg)}.progress-bar{animation:linear forwards shrink}@keyframes shrink{0%{transform:scaleX(1)}to{transform:scaleX(0)}}