:root{--sidebar-width: 220px}html,body,#root{margin:0;padding:0;height:100%;background:#0d1117;color:#c9d1d9;font-family:Arial,sans-serif}.login-wrapper{height:100vh;display:flex;justify-content:center;align-items:center}.card{background:#161b22;padding:30px;width:350px;border-radius:10px;box-shadow:0 0 15px #0005;text-align:center;display:flex;flex-direction:column;align-items:center}.card h2{margin-bottom:20px;color:#f0f6fc}#flui-logo{width:80px;margin-bottom:20px;border-radius:50px}.card form{width:100%;display:flex;flex-direction:column;align-items:center}input{width:100%;max-width:280px;padding:12px;margin-bottom:15px;background:#0d1117;border:1px solid #30363d;border-radius:6px;color:#c9d1d9}input::placeholder{color:#8b949e}button{width:100%;max-width:280px;padding:12px;background:#238636;color:#fff;border:none;border-radius:6px;font-size:16px;cursor:pointer}button:hover{background:#2ea043}.switch{margin-top:15px;cursor:pointer;color:#8b949e}.switch strong{color:#58a6ff}.sidebar{width:var(--sidebar-width);height:100vh;background:#161b22;position:fixed;top:0;left:0;padding:20px;box-sizing:border-box;display:flex;flex-direction:column;gap:15px;border-right:1px solid #30363d}.sidebar a{color:#c9d1d9;text-decoration:none;padding:10px;background:#21262d;border-radius:6px}.sidebar a:hover{background:#30363d}.container{margin-left:var(--sidebar-width);padding:20px;box-sizing:border-box}@media(max-width:700px){:root{--sidebar-width: 160px}}.logout-btn{margin-top:auto;padding:10px;width:100%;background:#da3633;border:none;color:#fff;border-radius:6px;cursor:pointer}.logout-btn:hover{background:#f85149}