*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

body{
  background:#f3f5f8;
  font-family:
    Pretendard,
    sans-serif;

  color:#222;
}

.wrap{
  max-width:900px;
  margin:0 auto;
  padding:20px;
}

.header{
  background:#111827;
  color:#fff;
  padding:24px;
  border-radius:22px;
  margin-bottom:20px;
}

.header h1{
  font-size:28px;
  margin-bottom:10px;
}

.header p{
  color:#d1d5db;
  line-height:1.5;
}

.card{
  background:#fff;
  border-radius:22px;
  padding:24px;
  margin-bottom:20px;

  box-shadow:
    0 10px 30px rgba(0,0,0,.08);
}

.row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px;
}

label{
  display:block;
  margin-top:16px;
  margin-bottom:8px;
  font-size:15px;
  font-weight:700;
}

input,
select,
textarea{
  width:100%;
  border:1px solid #d1d5db;
  border-radius:14px;
  padding:14px;
  font-size:15px;
  background:#fff;
}

textarea{
  min-height:110px;
  resize:vertical;
}

.btn{
  width:100%;
  border:none;
  border-radius:16px;
  padding:16px;
  margin-top:24px;

  font-size:17px;
  font-weight:800;
  cursor:pointer;
}

.primary{
  background:#2563eb;
  color:#fff;
}

.primary:hover{
  opacity:.92;
}

#resultBox{
  background:#f9fafb;
  border:1px solid #e5e7eb;
  border-radius:16px;
  padding:18px;
  line-height:1.7;
  word-break:break-all;
}

.link-box{
  margin-top:14px;
  padding:14px;
  background:#eff6ff;
  border-radius:14px;
}

.copy-btn{
  margin-top:14px;
  border:none;
  background:#111827;
  color:#fff;
  padding:12px 16px;
  border-radius:12px;
  cursor:pointer;
}

@media(max-width:700px){

  .row{
    grid-template-columns:1fr;
  }

  .wrap{
    padding:14px;
  }

  .card{
    padding:18px;
  }

}
.reason-buttons{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:10px;
  margin-top:10px;
}

.reason-buttons button{
  border:none;
  border-radius:14px;
  padding:14px;
  background:#e5e7eb;
  font-weight:800;
  cursor:pointer;
}

.reason-buttons button:hover{
  background:#111827;
  color:#fff;
}

@media(max-width:700px){
  .reason-buttons{
    grid-template-columns:1fr 1fr;
  }
}