:root{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;font-weight:400;color-scheme:light dark;color:#333;background:#f5f5f5;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-width:320px;min-height:100vh}#root{min-height:100vh;width:100%}h1,h2,h3,h4{margin-top:0}button{border-radius:8px;border:2px solid transparent;padding:.8em 1.5em;font-size:1em;font-weight:600;font-family:inherit;cursor:pointer;transition:all .3s ease}button:disabled{opacity:.5;cursor:not-allowed}@media(prefers-color-scheme:light){:root{color:#333;background:#f5f5f5}}.app{min-height:100vh;width:100%;display:flex;flex-direction:column}.header{text-align:center;padding:2rem 1rem 1rem;background:#667eea;box-shadow:0 4px 6px #0000001a;width:100%;box-sizing:border-box}.header h1{font-size:clamp(1.5rem,4vw,2.5rem);margin:0;color:#fff;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.subtitle{font-size:clamp(.9rem,2vw,1.1rem);margin:.5rem 0 0;color:#ffffffe6}.main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:2rem 1rem}.game-section{background:#fffffff2;border-radius:20px;padding:2rem;margin-bottom:2rem;box-shadow:0 8px 32px #0003}.instructions{text-align:center;margin-bottom:2rem;min-height:120px;display:flex;flex-direction:column;justify-content:center;align-items:center}.instructions p{font-size:clamp(1rem,2vw,1.2rem);color:#333;margin:.5rem 0}.choice-buttons{display:flex;gap:1rem;margin-top:1rem;flex-wrap:wrap;justify-content:center}.btn{font-size:1rem;text-transform:uppercase;letter-spacing:.5px}.btn-switch{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.btn-switch:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-stay{background:#f0f0f0;color:#333;border:2px solid #667eea}.btn-stay:hover:not(:disabled){background:#667eea;color:#fff}.btn-reset{background:linear-gradient(135deg,#f093fb,#f5576c);color:#fff;border:none;margin-top:1rem}.btn-reset:hover{transform:translateY(-2px);box-shadow:0 4px 12px #f5576c66}.result-win{color:#22c55e;font-size:1.5rem;font-weight:700}.result-lose{color:#ef4444;font-size:1.5rem;font-weight:700}.doors{display:flex;justify-content:center;gap:clamp(.5rem,3vw,2rem);padding:1rem 0}.door-container{display:flex;flex-direction:column;align-items:center}.door{width:clamp(90px,20vw,180px);height:clamp(135px,30vw,270px);background:linear-gradient(180deg,#8b4513,sienna,#8b4513);border:4px solid #5D3A1A;border-radius:8px 8px 0 0;font-size:clamp(1.5rem,5vw,3rem);color:#fff;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:0 8px 16px #0000004d,inset 0 0 20px #0003;transition:all .3s ease}.door:before{content:"";position:absolute;top:10%;left:10%;right:10%;height:35%;border:3px solid #5D3A1A;border-radius:4px;background:linear-gradient(180deg,#9a6b3a,#8b4513);box-shadow:inset 0 2px 4px #0000004d}.door:after{content:"";position:absolute;top:55%;left:10%;right:10%;height:35%;border:3px solid #5D3A1A;border-radius:4px;background:linear-gradient(180deg,#9a6b3a,#8b4513);box-shadow:inset 0 2px 4px #0000004d}.door:not(:disabled):hover{transform:translateY(-8px) scale(1.05);box-shadow:0 12px 24px #0006,inset 0 0 20px #0003;background:linear-gradient(180deg,sienna,#b8733d,sienna)}.door.selected{border:4px solid #fbbf24;box-shadow:0 0 0 4px #fbbf2480,0 8px 16px #0000004d,inset 0 0 20px #0003}.door.final{border-color:#22c55e;box-shadow:0 0 0 4px #22c55e4d,0 8px 16px #0000004d}.door.revealed{background:linear-gradient(180deg,#64748b,#475569,#64748b);border-color:#1e293b}.door.revealed:before,.door.revealed:after{background:linear-gradient(180deg,#6b7280,#4b5563);border-color:#374151}.door-number{font-weight:700;text-shadow:2px 2px 4px rgba(0,0,0,.3);position:relative;z-index:1}.door-content{font-size:clamp(3rem,8vw,5rem);animation:reveal .5s ease-out;position:relative;z-index:1}@keyframes reveal{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.info-section{display:grid;grid-template-columns:1fr;gap:2rem}.explanation,.stats{background:#fffffff2;border-radius:20px;padding:2rem;box-shadow:0 8px 32px #0003;color:#333}.explanation h2,.stats h2{color:#667eea;margin-top:0}.explanation h3{color:#764ba2;margin-top:1.5rem}.explanation ol{padding-left:1.5rem}.explanation li{margin:.5rem 0}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(100px,1fr));gap:1rem;margin:1.5rem 0}.stat-item{text-align:center;padding:1rem;background:linear-gradient(135deg,#667eea,#764ba2);border-radius:12px;color:#fff;display:flex;flex-direction:column}.stat-value{font-size:2rem;font-weight:700;margin-bottom:.5rem}.stat-label{font-size:.9rem;opacity:.9}.stats-comparison{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-top:1rem}.stat-detail{padding:1rem;background:#f3f4f6;border-radius:12px;text-align:center}.stat-detail h4{margin:0 0 .5rem;color:#667eea}.stat-percentage{font-size:1.5rem;font-weight:700;color:#333;margin:0}.footer{background:#667eea;text-align:center;padding:1.5rem;color:#ffffffe6;margin-top:auto;width:100%;box-sizing:border-box}.footer p{margin:0;font-size:.9rem}@media(min-width:768px){.info-section{grid-template-columns:1fr 1fr}.stats,.explanation{grid-column:span 1}}@media(min-width:1024px){.info-section{grid-template-columns:2fr 1fr}}@media(max-width:767px){.game-section{padding:1.5rem 1rem}.doors{gap:.5rem}.choice-buttons{flex-direction:column;width:100%}.choice-buttons .btn{width:100%}.stats-comparison{grid-template-columns:1fr}}.simulation-section{background:#fffffff2;border-radius:20px;padding:2rem;margin-top:2rem;box-shadow:0 8px 32px #0003;color:#333}.simulation-section h2{color:#667eea;margin-top:0;text-align:center}.simulation-intro{text-align:center;color:#666;margin-bottom:1.5rem}.simulation-buttons{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.btn-simulate{font-size:1.1rem;padding:1rem 2rem}.btn-switch-sim{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none}.btn-switch-sim:hover{transform:translateY(-2px);box-shadow:0 4px 12px #667eea66}.btn-stay-sim{background:#f0f0f0;color:#333;border:2px solid #667eea}.btn-stay-sim:hover{background:#667eea;color:#fff}.simulation-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem}.simulation-header h3{margin:0;color:#667eea}.btn-stop{background:linear-gradient(135deg,#ef4444,#dc2626);color:#fff;border:none}.btn-stop:hover{transform:translateY(-2px);box-shadow:0 4px 12px #ef444466}.mini-doors{display:flex;justify-content:center;gap:.5rem;margin-bottom:1.5rem}.mini-door{width:60px;height:90px;background:linear-gradient(145deg,#8b5cf6,#6366f1);border:3px solid #4c1d95;border-radius:8px;display:flex;align-items:center;justify-content:center;transition:all .15s ease}.mini-door.selected,.mini-door.final{border-color:#fbbf24;box-shadow:0 0 0 3px #fbbf244d}.mini-door.revealed{background:linear-gradient(145deg,#64748b,#475569);border-color:#1e293b}.mini-door.revealed.final{background:linear-gradient(145deg,#fbbf24,#ebdf12);border-color:#1e293b}.mini-number{color:#fff;font-weight:700;font-size:1.2rem}.mini-content{font-size:2rem}.simulation-progress{margin-bottom:1rem}.progress-bar{width:100%;height:20px;background:#e5e7eb;border-radius:10px;overflow:hidden;margin-bottom:.5rem}.progress-fill{height:100%;background:linear-gradient(90deg,#667eea,#764ba2);transition:width .1s ease}.progress-text{display:block;text-align:center;color:#666;font-size:.9rem}.results-list{display:flex;flex-wrap:wrap;gap:4px;min-height:100px;padding:1rem;background:#f9fafb;border-radius:12px;margin-bottom:1.5rem;align-content:flex-start}.result-emoji{font-size:1.5rem;animation:popIn .2s ease-out}@keyframes popIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}.simulation-summary{background:linear-gradient(135deg,#f0f4ff,#faf5ff);border-radius:16px;padding:1.5rem;animation:slideUp .5s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.simulation-summary h3{margin:0 0 1rem;color:#667eea;text-align:center}.summary-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-bottom:1.5rem}.summary-stat{display:flex;flex-direction:column;align-items:center;padding:1rem;border-radius:12px;background:#fff;box-shadow:0 2px 8px #0000001a}.summary-stat.win{border-left:4px solid #22c55e}.summary-stat.lose{border-left:4px solid #ef4444}.summary-stat.percentage{border-left:4px solid #667eea}.summary-value{font-size:2rem;font-weight:700;color:#333}.summary-label{font-size:.9rem;color:#666}.expected-comparison{margin-top:1rem}.expected-comparison h4{margin:0 0 1rem;color:#764ba2;text-align:center}.expected-stats{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1rem}.expected-stat{display:flex;flex-direction:column;align-items:center;padding:1rem;border-radius:12px;background:#fff;border:2px solid #e5e7eb;transition:all .3s ease}.expected-stat.active{border-color:#667eea;background:linear-gradient(135deg,#667eea1a,#764ba21a)}.expected-strategy{font-size:.9rem;color:#666;margin-bottom:.5rem}.expected-value{font-size:1.5rem;font-weight:700;color:#333}.comparison-note{text-align:center;color:#666;font-size:.95rem;margin:0;padding:1rem;background:#fff;border-radius:8px}@media(max-width:600px){.simulation-buttons{flex-direction:column}.btn-simulate{width:100%}.summary-stats,.expected-stats{grid-template-columns:1fr}.mini-door{width:50px;height:75px}.mini-content{font-size:1.5rem}}