:root{--bg-color: #0c0c0c;--text-color: #00ff41;--error-color: #ff3e3e;--header-bg: #1e1e1e;--terminal-bg: #141414;--font-family: "Courier New", Courier, monospace}*{box-sizing:border-box}body{margin:0;padding:0;background-color:var(--bg-color);color:var(--text-color);font-family:var(--font-family);display:flex;justify-content:center;align-items:center;min-height:100vh;overflow-x:hidden}#app{width:100%;max-width:800px;padding:20px 20px 100px}.nazo-section{margin-top:40px;border-top:1px dashed #333;padding-top:30px}.alphabet-item{display:flex;align-items:center;margin-bottom:20px}.alphabet-square{background-color:#fff;color:#000;width:40px;height:40px;display:flex;justify-content:center;align-items:center;font-weight:700;font-size:1.5rem;margin-right:20px;flex-shrink:0}.level3-spacer{height:40px}.error-shake{animation:shake .5s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-10px)}75%{transform:translate(10px)}}.scroll-top-btn{display:block;margin:40px auto 0;background:transparent;border:1px solid var(--text-color);color:var(--text-color);padding:10px 20px;font-family:var(--font-family);font-size:1rem;cursor:pointer;transition:all .3s}.scroll-top-btn:hover{background:var(--text-color);color:#000}#success-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000;z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:20px}.hacking-effect{position:absolute;top:0;left:0;width:100%;height:100%;background:repeating-linear-gradient(0deg,rgba(0,255,65,.03) 0px,rgba(0,255,65,.03) 1px,transparent 1px,transparent 2px);pointer-events:none;animation:scan 10s linear infinite}@keyframes scan{0%{background-position:0 0}to{background-position:0 100%}}.success-content{position:relative;z-index:1}.success-title{font-size:2rem;color:var(--text-color);margin-bottom:30px;text-shadow:0 0 20px var(--text-color)}.success-message{font-size:1.2rem;line-height:2;margin-bottom:50px;max-width:600px}.credits{border-top:1px solid #333;padding-top:20px;font-size:.9rem;color:#888}.hacking-log-container{text-align:left;font-family:Courier New,Courier,monospace;font-size:.9rem;color:var(--text-color);opacity:.7;max-width:400px;margin:0 auto 30px;min-height:180px}.credits p{margin:5px 0}.fade-in{opacity:0;animation:fadeIn 1.5s forwards}@keyframes fadeIn{to{opacity:1}}header h1{text-align:center;font-size:1.5rem;margin-bottom:.5rem;letter-spacing:.2rem;text-transform:uppercase;text-shadow:0 0 10px var(--text-color)}.subtitle{text-align:center;font-size:.7rem;color:#444;margin-top:0;margin-bottom:2rem;letter-spacing:.1rem}.terminal-window{background-color:var(--terminal-bg);border:1px solid #333;border-radius:5px;box-shadow:0 10px 30px #00000080;overflow:hidden}.terminal-header{background-color:var(--header-bg);padding:10px;display:flex;align-items:center;border-bottom:1px solid #333}.dot{width:12px;height:12px;border-radius:50%;margin-right:8px}.red{background-color:#ff5f56}.yellow{background-color:#ffbd2e}.green{background-color:#27c93f}.terminal-title{margin-left:10px;font-size:.8rem;color:#888}.terminal-content{padding:20px}.prompt{margin:0 0 10px}.input-line{display:flex;align-items:center}.cursor{margin-right:10px}#password-input{background:transparent;border:none;color:var(--text-color);font-family:var(--font-family);font-size:1.1rem;outline:none;width:100%;padding:5px 0;caret-color:var(--text-color)}#password-input::placeholder{color:#333;opacity:.8}.error{color:var(--error-color);margin-top:15px;font-size:.9rem}.hint-container{margin-top:30px;text-align:right}.hint-container a{color:#666;text-decoration:underline;font-size:.8rem;cursor:pointer;transition:color .3s}.hint-container a:hover{color:var(--text-color)}#additional-content{margin-top:40px;opacity:1;transition:opacity 1s ease-in-out}.hidden{display:none;opacity:0}.nazo-content{border-top:1px dashed var(--text-color);padding-top:20px}.hint-message{line-height:1.6;margin-bottom:20px}.exit-link{color:#fff;text-decoration:underline;font-weight:700;transition:color .3s}.exit-link:hover{color:var(--error-color)}.nazo-image{display:block;max-width:100%;height:auto;margin:20px auto;border:1px solid #333}.answer-box-container{margin-top:20px}.answer-input{background:#000;border:12px solid #ffe862;border-radius:15px;color:#fff;padding:15px 20px;font-size:1.5rem;width:100%;outline:none;font-family:var(--font-family);text-align:center;transition:border-color .3s}footer{margin-top:60px;text-align:center;border-top:1px solid #1e1e1e;padding-top:20px}footer p{color:#444;font-size:.75rem;letter-spacing:.05rem;margin:0}