@import url(https://fonts.googleapis.com/css2?family=Lora:wght@400;700&family=Lato:wght@400;700&display=swap);:root{--background-color:#f8f9fa;--text-color:#343a40;--primary-color:#005a9c;--border-color:#dee2e6;--door-color:#e9ecef;--door-border:#ced4da;--prize-color:#b08d57;--font-serif:"Lora",serif;--font-sans:"Lato",sans-serif;--success-color:#28a745;--keep-color:#005a9c;--switch-color:#d9534f}html{background-color:var(--background-color);color:var(--text-color);font-family:var(--font-sans)}#app-container{max-width:900px;margin:40px auto;padding:2rem;text-align:center}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:700}h1{font-size:2.5rem;margin-bottom:1rem}h2{font-size:1.5rem;color:#495057}h3{font-size:1.75rem;border-bottom:1px solid var(--border-color);padding-bottom:.5rem;margin-bottom:1.5rem}h4{font-size:1.25rem;margin-top:2rem}.intro-text{line-height:1.7;font-size:1.1rem;margin:1rem auto;max-width:75ch}.prompt-text,.result-text{min-height:1.5em;margin:2rem 0}.row{display:flex;justify-content:center;margin:40px 0;gap:30px;perspective:1200px}.door-container{width:150px;height:220px;cursor:pointer;position:relative;transition:transform .3s ease;background-color:var(--background-color);border:1px solid var(--border-color);border-radius:8px}.is-selected{border:2px solid var(--primary-color);box-shadow:0 0 10px rgba(0,90,156,.2)}.door{width:100%;height:100%;position:absolute;transform-style:preserve-3d;transition:transform .8s ease-in-out;transform-origin:left;z-index:10}.door.is-open{transform:rotateY(-110deg)}.door-front{position:absolute;width:100%;height:100%;backface-visibility:hidden;display:flex;justify-content:center;align-items:center;border-radius:8px;box-sizing:border-box;background-color:var(--door-color);border:1px solid var(--door-border)}.door-number{color:var(--text-color);font-size:3rem;font-family:var(--font-serif)}.door-content-underneath{position:absolute;width:100%;height:100%;display:flex;justify-content:center;align-items:center}.door-content-text{font-size:1.5rem;font-weight:700;font-family:var(--font-serif)}.prize-text{color:var(--prize-color)}.prize-flourish{animation:flourish 2s ease-in-out infinite}@keyframes flourish{50%{border-color:var(--prize-color);box-shadow:0 0 20px rgba(176,141,87,.5)}}.switch-buttons-container{display:flex;justify-content:center;gap:20px;min-height:70px}.reset-container{margin-top:1rem;min-height:70px}.pick{min-width:160px;padding:12px 20px;border-radius:8px;font-size:1rem;font-weight:700;font-family:var(--font-sans);cursor:pointer;transition:all .2s;border:2px solid var(--primary-color)}.pick:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1)}.primary{background-color:var(--primary-color);color:#fff}.secondary{background-color:transparent;color:var(--primary-color)}.fade-enter-active,.fade-leave-active{transition:opacity .5s ease,transform .5s ease}.fade-enter-from,.fade-leave-to{opacity:0;transform:translateY(10px)}.stats-container{margin-top:2rem;padding:1.5rem;background-color:#f1f3f5;border-radius:8px;border:1px solid var(--border-color);max-width:400px;margin-left:auto;margin-right:auto}.stats-container h3{margin-top:0;border-bottom:none;font-size:1.5rem;margin-bottom:1rem}.stats-container p{font-size:1.1rem;margin:.5rem 0;font-family:var(--font-sans);color:#495057}.stats-container strong{color:var(--text-color)}.explanation-container{text-align:left;margin-top:3rem;border-top:1px solid var(--border-color);padding-top:2rem}.explanation-container h3{border-bottom:none}.formula-box{background-color:#f1f3f5;border-left:3px solid var(--primary-color);padding:1rem 1.5rem;margin:20px 0;border-radius:5px}.formula-box p{margin:.5rem 0}.math-formula{font-family:Courier New,Courier,monospace;color:var(--primary-color);font-weight:700}.summary{text-align:center;border-color:var(--primary-color)}.mode-selector{display:flex;justify-content:center;gap:10px;margin-bottom:2rem;border-bottom:1px solid var(--border-color);padding-bottom:2rem}.mode-selector button{font-size:1rem;padding:10px 20px;border-radius:8px;border:2px solid var(--border-color);background-color:#fff;cursor:pointer;transition:all .2s;font-weight:700}.mode-selector button.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.simulation-container{animation:fadeIn .5s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.simulation-container h2{font-size:2rem}.simulation-progress{margin-top:2rem}.progress-bar-container{width:80%;max-width:500px;height:30px;background-color:var(--door-color);border-radius:15px;margin:1rem auto;overflow:hidden;border:1px solid var(--border-color)}.progress-bar{width:0;height:100%;background-color:var(--success-color);border-radius:15px;transition:width .1s linear}.simulation-results{margin-top:2rem}.simulation-results h3{border:none}.results-grid{display:flex;justify-content:center;gap:2rem;margin:1.5rem 0}.result-box{flex-basis:250px;padding:1.5rem;border-radius:8px;border:2px solid}.result-box.keep-strategy{border-color:var(--keep-color)}.result-box.switch-strategy{border-color:var(--switch-color)}.result-box h4{margin-top:0;font-size:1.5rem}.result-box .wins{font-size:2rem;font-weight:700;margin:.5rem 0}.result-box .percentage{font-size:1.25rem;color:#495057;margin:0}.result-box.keep-strategy .wins{color:var(--keep-color)}.result-box.switch-strategy .wins{color:var(--switch-color)}@media (max-width:768px){#app-container{padding:1rem}.row{flex-direction:column;align-items:center}.door-container{width:60%;height:25vh}.pick{width:70%}.results-grid{flex-direction:column;align-items:center}}