body{margin:0;padding:0;font-family:Arial,sans-serif;font-size:14px;color:#222;background:#eee}a{color:#0645ad}.container{width:1100px;margin:20px auto;background:#fff;padding:20px;border:1px solid #ccc}.box{background:#fff;border:1px solid #bbb;padding:20px}.login-box{width:360px;margin:80px auto}label{display:block;margin-top:12px;margin-bottom:4px;font-weight:bold}input,textarea,select{box-sizing:border-box;width:100%;padding:7px;border:1px solid #aaa;background:#fff}button,.button{display:inline-block;margin-top:15px;padding:8px 14px;border:1px solid #555;background:#ddd;color:#111;text-decoration:none;cursor:pointer}button:hover,.button:hover{background:#ccc}.topbar{display:flex;justify-content:space-between;border-bottom:1px solid #ccc;padding-bottom:10px}.nav{padding:12px 0;border-bottom:1px solid #ddd}.nav a{margin-right:20px}.stats{display:flex;gap:15px}.stat{width:200px;border:1px solid #ccc;padding:20px;text-align:center}.stat strong{display:block;font-size:26px}.stat span{display:block;margin-top:7px;color:#666}.error{padding:10px;border:1px solid #a00;background:#fee;color:#900}.success{padding:10px;border:1px solid #080;background:#efe;color:#060}