:root{
  --bg:#0b0f14;
  --card:#121a23;
  --card2:#0f151d;
  --line:rgba(255,255,255,.10);
  --text:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.62);
  --soft:rgba(255,255,255,.78);
  --shadow: 0 14px 40px rgba(0,0,0,.35);

  --aqua: rgba(76,201,255,.95);
  --mint: rgba(59,231,176,.95);
  --violet: rgba(164,109,255,.70);

  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Apple SD Gothic Neo", "Noto Sans KR", Arial, sans-serif;
  line-height:1.6;
  background:
    radial-gradient(1200px 600px at 18% -10%, rgba(76,201,255,.16), transparent 60%),
    radial-gradient(900px 520px at 92% 0%, rgba(164,109,255,.12), transparent 55%),
    var(--bg);
}

a{color:inherit;text-decoration:none}
a:hover{opacity:.92}

.container{
  width:min(1080px, calc(100% - 32px));
  margin:0 auto;
  padding: 24px 0 32px;
}

/* Header */
header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 0 12px;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
}
.brand .dot{
  width:38px;height:38px;border-radius:12px;
  background: linear-gradient(135deg, var(--aqua), var(--mint));
  box-shadow: 0 12px 30px rgba(76,201,255,.18);
}
.brand .t{
  display:flex;flex-direction:column;gap:2px;
}
.brand strong{
  font-size:16px;
  letter-spacing:-.2px;
}
.brand span{
  font-size:13px;
  color:var(--muted);
}

nav[aria-label="이동"]{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  justify-content:flex-end;
}
nav[aria-label="이동"] a{
  font-size:13px;
  color:var(--soft);
  padding:8px 10px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.14);
}
nav[aria-label="이동"] a:hover{
  background: rgba(255,255,255,.06);
}

/* Cards */
.card{
  background: rgba(18,26,35,.85);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.cardHead{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:12px;
  padding:16px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,0));
}
.cardHead h2{
  margin:0;
  font-size:18px;
  letter-spacing:-.3px;
}
.sub{
  margin:6px 0 0;
  color:var(--muted);
  font-size:13px;
}
.cardBody{
  padding: 16px 18px 18px;
}

.cols{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:14px;
}
@media (max-width: 920px){
  .cols{grid-template-columns:1fr}
}

/* Form blocks */
.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
@media (max-width: 720px){
  .row{grid-template-columns:1fr}
}
label{
  display:block;
  font-size:12.5px;
  color:var(--muted);
  margin-bottom:6px;
}
input, select{
  width:100%;
  height:42px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  color:var(--text);
  padding: 0 12px;
  outline:none;
}
input:focus, select:focus{
  border-color: rgba(76,201,255,.55);
  box-shadow: 0 0 0 3px rgba(76,201,255,.12);
}

.btnrow{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:12px;
}
button{
  border:0;
  cursor:pointer;
  height:40px;
  padding: 0 14px;
  border-radius: 14px;
  font-weight:800;
  letter-spacing:-.2px;
}
button.primary{
  background: linear-gradient(135deg, var(--aqua), var(--mint));
  color: rgba(0,0,0,.75);
}
button.ghost{
  background: rgba(255,255,255,.06);
  color: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.10);
}

/* KPI */
.kpi{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:10px;
}
@media (max-width: 560px){
  .kpi{grid-template-columns:1fr}
}
.kpi .box{
  padding: 12px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.09);
  background: rgba(0,0,0,.16);
}
.kpi .t{
  margin:0;
  font-size:12.5px;
  color:var(--muted);
}
.kpi .v{
  margin:6px 0 2px;
  font-size:22px;
  font-weight:900;
  letter-spacing:-.2px;
}
.kpi .h{
  margin:0;
  font-size:12.5px;
  color:var(--muted);
}

/* Content blocks */
.content{
  margin-top:12px;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.05);
}
.content h3{
  margin:0 0 8px;
  font-size:15px;
  letter-spacing:-.2px;
}
.content p{
  margin:0 0 10px;
  color:var(--soft);
}
.content ul{
  margin:8px 0 0;
  padding-left:18px;
  color:var(--soft);
}
.small{font-size:12.5px;color:var(--muted); margin-top:8px}

/* Table */
table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.08);
}
thead th{
  text-align:left;
  font-size:12.5px;
  color: var(--muted);
  padding:10px 10px;
  background: rgba(0,0,0,.18);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
tbody td{
  padding:10px 10px;
  border-bottom: 1px solid rgba(255,255,255,.06);
  color: var(--soft);
}
tbody tr:last-child td{border-bottom:0}

/* FAQ */
.faq details{
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.16);
  border-radius: 14px;
  padding: 10px 12px;
  margin-top:10px;
}
.faq summary{
  cursor:pointer;
  font-weight:800;
  letter-spacing:-.1px;
}
.faq p{margin:8px 0 0; color:var(--soft)}

/* Footer */
footer{
  margin-top:16px;
  padding-top:14px;
  border-top:1px solid rgba(255,255,255,.10);
}
footer .links{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
footer .links a{
  font-size:13px;
  color:var(--muted);
  padding:6px 8px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.14);
}
footer .links a:hover{color:var(--soft)}