body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#f3f4f6;
}

.login-screen{
  width:100%;
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background:#003b73;
}

.login-box{
  width:400px;
  background:white;
  padding:40px;
  border-radius:20px;
}

input,
select{
  width:100%;
  padding:16px;
  margin-bottom:20px;
  border-radius:10px;
  border:1px solid #ccc;
  box-sizing:border-box;
}

button{
  padding:14px 20px;
  border:none;
  background:#003b73;
  color:white;
  border-radius:10px;
  cursor:pointer;
}

#dashboard{
  display:none;
  height:100vh;
}

.sidebar{
  width:260px;
  background:white;
  border-right:1px solid #ddd;
  padding:30px;
  display:flex;
  flex-direction:column;
}

.sidebar button{
  margin-bottom:10px;
  text-align:left;
}

.content{
  flex:1;
  padding:40px;
  overflow:auto;
}

.page{
  display:none;
}

.page.active{
  display:block;
}

.topbar{
  display:flex;
  justify-content:flex-end;
  align-items:center;
  margin-bottom:30px;
}

.user-info{
  margin-right:20px;
  text-align:right;
}

#topbarUserName{
  font-weight:bold;
}

#topbarUserRole{
  color:#6b7280;
  font-size:14px;
}

.logout-btn{
  background:#ff3b30;
}

.cards{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}

.card{
  background:white;
  padding:30px;
  border-radius:15px;
}

.employee-card{
  background:white;
  padding:20px;
  border-radius:15px;
  margin-top:20px;
}

.employee-card button{
  margin-right:10px;
  margin-top:10px;
}

.calendar-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:20px;
}

.calendar-grid{
  display:grid;
  grid-template-columns:repeat(7,1fr);
  gap:10px;
}

.calendar-day{
  background:white;
  border-radius:10px;
  padding:10px;
  min-height:100px;
}

.calendar-day-number{
  font-weight:bold;
  margin-bottom:10px;
}

.calendar-event{
  color:white;
  padding:5px;
  border-radius:5px;
  font-size:12px;
  margin-bottom:5px;
}

.vacation-event{
  background:#22c55e;
}

.sick-event{
  background:#ef4444;
}