@import url("https://fonts.googleapis.com/css2?family=Orbitron&display=swap");*{box-sizing:border-box}body{margin:0;padding:0;background-color:#000000;color:#b30000;font-family:Orbitron,sans-serif;display:flex;justify-content:center;align-items:center;height:100vh}.wrapper{overflow:hidden}.main-screen,.wrapper{width:100%;height:100%;display:flex;justify-content:center;align-items:center;position:relative}.main-screen{flex-direction:column}.main-bg{position:fixed;top:0;left:0;width:100%;height:100%;object-fit:cover;z-index:-1;filter:brightness(50%)}.main-title{font-size:6rem;font-weight:700;letter-spacing:6px}.main-title,.start-hint{font-family:Orbitron,sans-serif;color:#b30000;text-shadow:3px 3px 6px rgba(0,0,0,.8)}.start-hint{font-size:1.2rem;cursor:pointer;transition:color .3s}.start-hint:hover{color:#ff0000;font-weight:700}.bgm-toggle{position:fixed;bottom:20px;right:20px;z-index:1000;background-color:#333;color:white;border:none;border-radius:50%;width:48px;height:48px;font-size:20px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 2px 6px rgba(0,0,0,.3);transition:background-color .2s}.bgm-toggle:hover{background-color:#555}.video-container{position:fixed;width:100%;height:100%}.intro-video{width:100%;height:100%;object-fit:cover}.skip-btn{position:fixed;bottom:20px;right:20px;background-color:#33333363;color:#ffffff81;padding:.7rem 1.2rem;border:none;border-radius:4px;font-weight:700;cursor:pointer;z-index:999;transition:background-color .3s ease}.skip-btn:hover{background-color:#555}.loading-screen{display:flex;flex-direction:column;align-items:center;gap:1rem;font-size:1.1rem;color:#b30000}.loading-bar{width:240px;height:10px;background-color:#111;border:1px solid #b30000;border-radius:4px;overflow:hidden;position:relative}.loading-fill{width:100%;height:100%;background:linear-gradient(90deg,#700000,#ff0000);animation:loadingAnimation 3s ease-in-out forwards}@keyframes loadingAnimation{0%{transform:translateX(-100%)}to{transform:translateX(0)}}.clear-screen{position:fixed;top:0;left:0;width:100%;height:100%;background:black;z-index:9999}.clear-video{width:100%;height:100%;object-fit:cover}.ui-container{width:720px;max-width:90vw;margin:40px auto;padding:1rem 1.5rem;display:flex;flex-direction:column;gap:1rem;background-color:#0d1117;border-radius:10px;box-shadow:0 0 10px rgba(0,0,0,.3);transition:width .3s ease}.header{display:flex;justify-content:flex-end;font-weight:700;font-size:.8rem;color:#D29922;font-family:Orbitron,sans-serif}.terminal{background-color:#0D1117;border:1px solid #30363d;padding:1rem;height:360px;overflow-y:auto;font-size:.95rem;white-space:pre-wrap;border-radius:6px;scrollbar-width:thin;scrollbar-color:#30363D #111}.terminal::-webkit-scrollbar{width:8px}.terminal::-webkit-scrollbar-track{background:#111;border-radius:6px}.terminal::-webkit-scrollbar-thumb{background-color:#30363D;border-radius:6px;border:2px solid #111}.terminal::-webkit-scrollbar-thumb:hover{background-color:#5d6977}.you-line{color:#ffffff}.ai-line{color:#00bfff}.system-line{color:#D29922}.hint{font-size:.85rem;color:#7D8590;margin-left:2px}.select{color:#b30000;border:1px solid #b30000;border-radius:4px;font-size:.9rem}.input-area,.select{padding:.6rem;background-color:#111;font-family:Orbitron,sans-serif}.input-area{color:#ffffff;border:1px solid #30363d;border-radius:4px;resize:none;height:100px;font-size:.8rem}.send-btn{font-family:Orbitron,sans-serif;font-size:.9rem;background-color:#b30000;color:#000;padding:.75rem;font-weight:700;border:none;border-radius:4px;cursor:pointer;transition:background-color .2s ease}.send-btn:hover{background-color:#ff0000}.warning-flash{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9998;pointer-events:none;animation:danger-flash 1s infinite}@keyframes danger-flash{0%{background-color:rgba(179,0,0,.05)}50%{background-color:rgba(179,0,0,.3)}to{background-color:rgba(179,0,0,.05)}}.fail-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(0,0,0,.8);z-index:99999;display:flex;justify-content:center;align-items:center;pointer-events:auto}.fail-box{background-color:#111;border:2px solid #b30000;border-radius:8px;padding:2rem 3rem;text-align:center;color:#b30000;font-family:Orbitron,sans-serif}.fail-box h2{font-size:3rem;margin-bottom:1rem}.fail-box p{font-size:1.2rem}.restart-btn{margin-top:1.5rem;padding:.7rem 1.5rem;background-color:#b30000;color:#000;font-weight:700;border:none;border-radius:4px;cursor:pointer;font-family:Orbitron,sans-serif;transition:background-color .3s ease}.restart-btn:hover{background-color:#ff0000}