:root{
  --primary:#2563eb;
  --primary2:#3b82f6;
  --bg:#f3f4f6;
  --card:#ffffff;
  --text:#1f2937;
  --muted:#6b7280;
  --border:#e5e7eb;

  --ok-bg:#ecfdf5;
  --ok-text:#059669;
  --ok-border:#10b981;

  --warn-bg:#fef2f2;
  --warn-text:#991b1b;
  --warn-border:#fee2e2;

  --info-bg:#f0f9ff;
  --info-text:#0369a1;
  --info-border:#bae6fd;

  --dark:#111827;
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family:Pretendard, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.5;
  padding:16px;
}

/* 워터마크 */
body::before{
  content:"COPYRIGHT BY SAUIJAE COMPANY";
  position:fixed;
  top:50%;
  left:50%;
  transform:translate(-50%,-50%) rotate(-30deg);
  font-size:3rem;
  color:rgba(0,0,0,0.03);
  pointer-events:none;
  z-index:999;
}

/* 레이아웃 */
.wrap{
  max-width:520px;
  margin:0 auto;
}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:16px;
  padding:22px;
  box-shadow:0 10px 15px -3px rgba(0,0,0,.08);
  margin-bottom:14px;
}

h1,h2{
  margin:0 0 10px 0;
}
h1{
  font-size:1.35rem;
  color:var(--primary);
  border-bottom:3px solid var(--primary);
  padding-bottom:10px;
  display:flex;
  justify-content:space-between;
  align-items:center;
}
.tag{
  display:inline-block;
  padding:6px 10px;
  border-radius:999px;
  font-size:.72rem;
  font-weight:700;
  background:#e0f2fe;
  color:#075985;
}

.muted{
  color:var(--muted);
  font-size:.85rem;
  margin:0;
}

/* 입력 */
.q-box{
  background:#fafafa;
  border:1px solid var(--border);
  border-radius:12px;
  padding:16px;
  margin-bottom:12px;
}
.q-title{
  font-weight:800;
  font-size:.95rem;
  margin-bottom:8px;
  display:block;
  color:var(--dark);
}

input, select{
  width:100%;
  padding:12px;
  border:1px solid var(--border);
  border-radius:10px;
  font-size:1rem;
  margin-top:6px;
  background:#fff;
}

/* 버튼 */
.btn{
  width:100%;
  padding:14px;
  border:none;
  border-radius:10px;
  font-weight:800;
  cursor:pointer;
  transition:.15s;
  margin-top:10px;
}

.btn:active{
  transform:scale(.99);
}

.btn-blue{
  background:linear-gradient(180deg, var(--primary2), var(--primary));
  color:#fff;
}
.btn-outline{
  background:#fff;
  color:var(--primary);
  border:1px solid var(--primary);
  font-size:.88rem;
}
.btn-dark{
  background:var(--dark);
  color:#fff;
}
.btn-gray{
  background:#9ca3af;
  color:#111827;
}

/* 상태 박스 */
.status-box{
  display:none;
  margin-top:10px;
  font-size:.85rem;
  padding:12px;
  border-radius:10px;
  font-weight:700;
}
.status-ok{
  background:var(--ok-bg);
  color:var(--ok-text);
  border:1px solid var(--ok-border);
}
.status-warn{
  background:var(--warn-bg);
  color:var(--warn-text);
  border:1px solid var(--warn-border);
}
.status-info{
  background:var(--info-bg);
  color:var(--info-text);
  border:1px solid var(--info-border);
}

/* 리포트 */
.report-card{
  display:none;
  margin-top:18px;
  border-top:2px dashed var(--border);
  padding-top:18px;
}
.score-display{
  background:linear-gradient(180deg, var(--primary2), var(--primary));
  color:white;
  padding:18px;
  border-radius:14px;
  text-align:center;
  margin-bottom:14px;
}
.disclaimer{
  background:var(--warn-bg);
  color:var(--warn-text);
  padding:12px;
  border-radius:10px;
  font-size:.78rem;
  margin-top:14px;
  border:1px solid var(--warn-border);
}

.row2{
  display:flex;
  gap:8px;
  margin-top:10px;
}
.row2 .btn{
  margin-top:0;
}