:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;padding:0;overflow-x:hidden}body{font-family:Malgun Gothic,Noto Sans KR,Segoe UI,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);background-attachment:fixed;min-height:100vh;color:#fff;animation:gradientShift 15s ease infinite}@keyframes gradientShift{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.app{min-height:100vh;display:flex;flex-direction:column}.navbar{background:#0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:1rem 0;box-shadow:0 4px 6px #0000001a;animation:slideDown .5s ease-out}@keyframes slideDown{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.nav-container{max-width:1200px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}.nav-logo{font-size:1.5rem;font-weight:700;color:#fff;text-decoration:none;transition:all .3s ease;display:inline-block}.nav-logo:hover{color:gold;transform:scale(1.1) rotate(-2deg);text-shadow:0 0 20px rgba(255,215,0,.8)}.nav-menu{display:flex;gap:2rem;list-style:none;align-items:center}.nav-menu a{color:#fff;text-decoration:none;transition:all .3s ease;font-size:1.1rem;position:relative;display:inline-block}.nav-menu a:after{content:"";position:absolute;bottom:-5px;left:50%;width:0;height:2px;background:gold;transition:all .3s ease;transform:translate(-50%)}.nav-menu a:hover{color:gold;transform:translateY(-2px)}.nav-menu a:hover:after{width:100%}.btn-logout{background:#fff3;border:1px solid rgba(255,255,255,.3);color:#fff;padding:.5rem 1rem;border-radius:20px;cursor:pointer;transition:all .3s}.btn-logout:hover{background:#ffffff4d;transform:translateY(-2px)}.main-content{flex:1;max-width:1200px;width:100%;margin:2rem auto;padding:0 2rem}.loading{display:flex;justify-content:center;align-items:center;min-height:100vh;font-size:2rem;animation:fadeIn .5s ease-in}.loading h2{animation:bounce 1s ease-in-out infinite}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.footer{background:#0000004d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:2rem 0;text-align:center;margin-top:auto}.card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-radius:20px;padding:2rem;margin-bottom:2rem;box-shadow:0 8px 32px #0000001a;border:1px solid rgba(255,255,255,.2);transition:all .3s ease;animation:fadeInUp .6s ease-out}.card:hover{transform:translateY(-5px);box-shadow:0 12px 40px #0003;border-color:#ffd70080}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}.btn{background:linear-gradient(135deg,#667eea,#764ba2);background-size:200% 200%;color:#fff;border:none;padding:.75rem 2rem;border-radius:25px;font-size:1rem;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #0003;position:relative;overflow:hidden}.btn:before{content:"";position:absolute;top:50%;left:50%;width:0;height:0;background:#ffffff4d;border-radius:50%;transform:translate(-50%,-50%);transition:width .6s,height .6s}.btn:hover:before{width:300px;height:300px}.btn:hover{transform:translateY(-2px) scale(1.05);box-shadow:0 6px 20px #0000004d;animation:pulse 1.5s infinite}@keyframes pulse{0%,to{transform:translateY(-2px) scale(1.05)}50%{transform:translateY(-2px) scale(1.08)}}.btn-secondary{background:#fff3;border:1px solid rgba(255,255,255,.3)}.form-group{margin-bottom:1.5rem;animation:fadeInUp .6s ease-out backwards}.form-group:nth-child(2){animation-delay:.1s}.form-group:nth-child(3){animation-delay:.2s}.form-group:nth-child(4){animation-delay:.3s}.form-group label{display:block;margin-bottom:.5rem;font-weight:600}.form-group input,.form-group textarea,.form-group select{width:100%;padding:.75rem;border-radius:10px;border:1px solid rgba(255,255,255,.3);background:#ffffff1a;color:#fff;font-size:1rem;transition:all .3s ease}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:gold;box-shadow:0 0 20px #ffd7004d;transform:scale(1.02)}.form-group input::placeholder,.form-group textarea::placeholder{color:#ffffff80}.grid{display:grid;gap:2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}@media(max-width:768px){.nav-menu{flex-direction:column;gap:1rem}.main-content{padding:0 1rem}}@media(max-width:768px){body{-webkit-tap-highlight-color:transparent;-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}@media(orientation:landscape){.navbar{display:none}canvas{width:100vw!important;height:100vh!important;touch-action:none}}}@supports (-webkit-touch-callout: none){.game-fullscreen{height:-webkit-fill-available}}