body{
  margin:0;
  font-family:Arial;
  background:linear-gradient(135deg,#1e3c72,#2a5298);
  color:white;
}

/* HEADER */
.header{
  width:100%;
 
 
}

/* LOGO BAR */
.logo-bar{
  background:white;
  margin:10px;
  height:130px;
  border-radius:8px;
  display:flex;
  justify-content:center;
  align-items:center;
}

/* LOGO */
.logo{
  height:90px;
  width:auto;
  max-width:100%;
  object-fit:contain;
  transform:scale(1.4);
}

/* NAV BAR */
.nav-bar{
  display:flex;
  justify-content:center;
  gap:10px;
  padding:10px;
  background:rgba(0,0,0,0.35);
}

.nav-bar button{
  flex:1;
  padding:10px;
  border:none;
  border-radius:8px;
  font-weight:bold;
  font-size:12px;
  cursor:pointer;
  color:white;
  background:#00aaff;
}

.nav-bar button:hover{
  background:#008ecc;
}

/* MAIN CONTAINER */
.container{
  width:95%;
  max-width:800px;
  margin:20px auto;
  background:rgba(255,255,255,0.12);
  padding:20px;
  border-radius:20px;
}

.card{
  background:rgba(0,0,0,0.15);
  padding:12px;
  border-radius:12px;
  margin-top:12px;
}

label{
  display:block;
  margin-top:8px;
  font-size:14px;
}

input,select,button{
  width:100%;
  padding:12px;
  margin-top:8px;
  border:none;
  border-radius:10px;
  box-sizing:border-box;
}

button{
  font-weight:bold;
}

#result{
  margin-top:15px;
  padding:12px;
  background:rgba(0,0,0,0.3);
  border-radius:10px;
  text-align:center;
}

/* DEDUCTIONS */
.collapse-header{
  background:rgba(0,0,0,0.25);
  padding:10px;
  border-radius:10px;
  cursor:pointer;
  font-weight:bold;
}

.collapse-content{
  display:none;
  margin-top:10px;
}

.ded-item{
  display:flex;
  justify-content:space-between;
  padding:8px;
  margin-top:5px;
  background:rgba(0,0,0,0.25);
  border-radius:8px;
}

.del{
  background:red;
  color:white;
  border:none;
  border-radius:6px;
  padding:5px 8px;
}