:root{
  --navy:#17365d;
  --navy2:#244f7d;
  --blue:#2f6fb0;
  --blue-dark:#285f96;
  --blue-soft:#eaf3fb;
  --green:#2f7d5b;
  --green-soft:#edf7ef;
  --amber:#996515;
  --amber-soft:#f8f1e8;
  --red:#b42318;
  --red-soft:#fef3f2;
  --line:#dfe6ee;
  --line2:#eef2f6;
  --bg:#f5f7fb;
  --white:#fff;
  --text:#1f2937;
  --sub:#6b7280;
  --shadow:0 10px 28px rgba(23,54,93,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Pretendard","Noto Sans KR","맑은 고딕",Arial,sans-serif;
}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.wrap{max-width:1180px;margin:0 auto;padding:0 24px}

/* Header */
header{
  background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
.header-in{
  height:82px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;min-width:250px}
.logo{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  color:#fff;font-weight:800;font-size:13px;letter-spacing:-.4px;
  background:linear-gradient(135deg,var(--navy),var(--blue));
}
.brand b{display:block;font-size:22px;color:var(--navy);letter-spacing:-.6px}
.brand span{display:block;font-size:12px;color:var(--sub);margin-top:2px}
nav{display:flex;gap:27px;align-items:center;font-size:15px;font-weight:700;color:#39485d}
nav a{position:relative;padding:28px 0}
nav a:hover, nav a.active{color:var(--blue)}
nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;
  background:var(--blue);transform:scaleX(0);transition:.2s ease
}
nav a:hover::after, nav a.active::after{transform:scaleX(1)}
.admin-link{font-size:12px;color:#94a3b8;border-left:1px solid var(--line);padding-left:18px!important}

/* Layout */
main{min-height:calc(100vh - 168px)}
.page{padding:34px 0 60px}
.page-title{margin-bottom:22px}
.page-title h1{margin:0;color:var(--navy);font-size:31px;letter-spacing:-.9px}
.page-title p{margin:8px 0 0;color:var(--sub);font-size:14px;line-height:1.7}
.grid-2{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);overflow:hidden
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:21px 24px 15px;border-bottom:1px solid var(--line2)
}
.panel-head h2{margin:0;color:var(--navy);font-size:22px;letter-spacing:-.5px}
.panel-head p{margin:6px 0 0;color:var(--sub);font-size:13px}
.panel-body{padding:22px 24px}
.more{color:var(--blue);font-size:13px;font-weight:800;white-space:nowrap}

/* Home */
.home{padding:34px 0 60px}
.main-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.program-list{display:grid;gap:14px}
.program-card{
  border:1px solid #e4ebf2;border-radius:18px;padding:18px;
  display:grid;grid-template-columns:56px 1fr auto;gap:16px;align-items:center;background:#fbfdff
}
.program-card .icon{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-size:26px;background:var(--blue-soft)
}
.program-card:nth-child(2) .icon{background:var(--green-soft)}
.program-card:nth-child(3) .icon{background:var(--amber-soft)}
.program-text h3{margin:0 0 5px;font-size:19px;color:var(--navy)}
.program-text .desc{margin:0 0 10px;font-size:13px;color:var(--sub);line-height:1.55}
.meta{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:12px;color:var(--sub)}
.meta b{color:var(--navy)}
.btn{
  border:0;border-radius:12px;padding:12px 16px;font-weight:800;display:inline-flex;
  align-items:center;justify-content:center;gap:7px
}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-dark)}
.btn-secondary{background:#fff;color:var(--navy);border:1px solid #cddaea}
.btn-danger{background:var(--red);color:#fff}
.btn-small{padding:8px 11px;border-radius:9px;font-size:12px}
.dl-btn{min-width:112px}
.notice-list{list-style:none;margin:0;padding:0}
.notice-list li{padding:18px 24px;border-bottom:1px solid var(--line2)}
.notice-list li:last-child{border-bottom:0}
.notice-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:7px}
.badge{
  display:inline-flex;align-items:center;justify-content:center;padding:4px 8px;border-radius:999px;
  background:var(--blue-soft);color:var(--blue);font-size:11px;font-weight:800
}
.badge.waiting{background:#fff7e6;color:#9a6700}
.badge.answered{background:#eaf7ef;color:#247a4a}
.badge.private{background:#f3f4f6;color:#667085}
.date{font-size:12px;color:var(--sub);white-space:nowrap}
.notice-title{font-size:15px;font-weight:700;color:#334155;line-height:1.45}
.notice-title a:hover{color:var(--blue)}
.notice-desc{font-size:13px;color:var(--sub);line-height:1.6;margin-top:5px}

/* Tables and lists */
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:13px 12px;border-bottom:1px solid var(--line2);text-align:left;vertical-align:top}
th{color:#475569;background:#f8fafc;font-size:12px}
td a.title-link{font-weight:700;color:#334155}
td a.title-link:hover{color:var(--blue)}
.empty{padding:36px;text-align:center;color:var(--sub);font-size:14px}
.loading{padding:36px;text-align:center;color:var(--sub);font-size:14px}
.card-list{display:grid;gap:12px}
.item-card{border:1px solid var(--line);border-radius:15px;padding:17px;background:#fff}
.item-card h3{margin:0 0 8px;color:var(--navy);font-size:17px}
.item-card p{margin:0;color:var(--sub);font-size:13px;line-height:1.7}
.item-card .item-meta{display:flex;gap:8px 12px;flex-wrap:wrap;margin-top:10px;font-size:12px;color:var(--sub)}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:grid;gap:7px}
.field.full{grid-column:1/-1}
label{font-size:13px;font-weight:800;color:#475569}
input,textarea,select{
  width:100%;border:1px solid #cfd9e6;border-radius:11px;background:#fff;color:var(--text);
  padding:12px 13px;outline:none
}
input:focus,textarea:focus,select:focus{border-color:#7eadd7;box-shadow:0 0 0 3px rgba(47,111,176,.08)}
textarea{min-height:180px;resize:vertical;line-height:1.65}
.help{font-size:12px;color:var(--sub);line-height:1.6}
.warn{
  background:#fff8e6;border:1px solid #f0d79a;color:#725215;padding:12px 14px;border-radius:11px;
  font-size:12px;line-height:1.65
}
.success-box{
  margin-top:16px;background:#edf8f3;border:1px solid #b9dfca;color:#246b47;
  padding:15px;border-radius:12px;line-height:1.65;font-size:13px
}
.error-box{
  margin-top:16px;background:#fef3f2;border:1px solid #f4c7c3;color:#9f2d26;
  padding:15px;border-radius:12px;line-height:1.65;font-size:13px
}
.radio-row{display:flex;gap:12px;flex-wrap:wrap}
.radio-card{
  flex:1;min-width:190px;border:1px solid var(--line);border-radius:12px;padding:12px 13px;
  display:flex;align-items:flex-start;gap:9px
}
.radio-card input{width:auto;margin-top:2px}

/* Detail */
.detail-title{font-size:27px;color:var(--navy);margin:0 0 12px;line-height:1.4}
.detail-meta{display:flex;gap:10px 18px;flex-wrap:wrap;color:var(--sub);font-size:12px;padding-bottom:18px;border-bottom:1px solid var(--line2)}
.detail-content{padding:24px 0;white-space:pre-wrap;line-height:1.85;color:#334155;font-size:15px}
.answer-box{margin-top:18px;padding:18px;border-radius:14px;background:#f8fbff;border:1px solid #dbe8f4}
.answer-box h3{margin:0 0 10px;color:var(--navy);font-size:16px}
.answer-box div{white-space:pre-wrap;line-height:1.8;font-size:14px}

/* Programs */
.program-grid-page{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.program-box{padding:22px;border:1px solid var(--line);border-radius:18px;background:#fff}
.program-box h2{margin:0 0 8px;color:var(--navy)}
.program-box p{color:var(--sub);font-size:13px;line-height:1.65;min-height:42px}
.program-box .big-version{font-size:22px;color:var(--blue);font-weight:800;margin:18px 0 4px}
.program-box .release{font-size:12px;color:var(--sub)}
.program-box .notes{margin:15px 0;padding:12px;background:#f8fafc;border-radius:11px;white-space:pre-wrap;font-size:13px;line-height:1.65}

/* Center */
.contact-list{display:grid;gap:12px}
.contact-card{display:flex;justify-content:space-between;gap:18px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:17px}
.contact-card b{color:var(--navy)}
.contact-card a{font-weight:800;color:var(--blue);white-space:nowrap}

/* Admin */
.admin-shell{max-width:1280px;margin:0 auto;padding:28px 24px 60px}
.admin-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}
.admin-top h1{margin:0;color:var(--navy);font-size:28px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tab-btn{border:1px solid var(--line);background:#fff;color:#475569;border-radius:10px;padding:10px 13px;font-weight:800}
.tab-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.tab-pane{display:none}
.tab-pane.active{display:block}
.admin-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:18px}
.admin-list{max-height:640px;overflow:auto}
.admin-item{padding:14px;border-bottom:1px solid var(--line2)}
.admin-item:last-child{border-bottom:0}
.admin-item h4{margin:0 0 6px;color:#334155}
.admin-item p{margin:0;color:var(--sub);font-size:12px;line-height:1.55}
.admin-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
.login-box{max-width:430px;margin:70px auto;background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
.login-box h1{margin:0 0 6px;color:var(--navy)}
.login-box p{margin:0 0 22px;color:var(--sub);font-size:13px}
.login-box .field{margin-bottom:13px}

/* Footer */
footer{background:#132d4d;color:#c6d4e4;padding:28px 0}
footer b{color:#fff}
footer p{margin:8px 0 0;font-size:13px;line-height:1.7;color:#aebfd2}

/* responsive */
@media(max-width:980px){
  .main-grid,.grid-2,.admin-grid{grid-template-columns:1fr}
  .program-grid-page{grid-template-columns:1fr}
  nav{gap:16px;font-size:13px}
  .program-card{grid-template-columns:56px 1fr}
  .program-card .dl-btn{grid-column:2/3;justify-self:start}
}
@media(max-width:720px){
  .wrap{padding:0 16px}
  .header-in{height:auto;padding:17px 0;align-items:flex-start;flex-direction:column}
  nav{flex-wrap:wrap;gap:9px 16px}
  nav a{padding:0}
  nav a::after{display:none}
  .admin-link{border-left:0;padding-left:0!important}
  .program-card{grid-template-columns:1fr}
  .program-card .dl-btn{grid-column:auto;justify-self:stretch}
  .form-grid{grid-template-columns:1fr}
  .field.full{grid-column:auto}
  .contact-card{align-items:flex-start;flex-direction:column}
  .admin-shell{padding:20px 16px 50px}
}