@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard/dist/web/static/pretendard.css');

:root{
  --bg:#f4f6f9; --panel:#ffffff; --line:#e7eaf0; --text:#151922; --muted:#747b89;
  --nav:#0f1724; --nav2:#172235; --primary:#4f67ff; --primary2:#6f57ff; --accent:#eaf0ff;
  --shadow:0 18px 50px rgba(18,27,45,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:Pretendard,"Noto Sans KR",sans-serif;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-shell{min-height:100vh;display:grid;grid-template-columns:270px 1fr}
.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,var(--nav),#111b2b);color:#fff;padding:28px 22px;display:flex;flex-direction:column}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:34px}
.brand-mark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:linear-gradient(135deg,#6374ff,#8e5cff);font-weight:900;letter-spacing:-1px}
.brand strong{display:block;font-size:15px}
.brand span{display:block;color:#8f9bad;font-size:10px;margin-top:4px}
.nav{display:grid;gap:7px}
.nav-item{width:100%;border:0;background:transparent;color:#a9b2c2;text-align:left;border-radius:11px;padding:13px 14px;display:flex;gap:11px;align-items:center;font-weight:600}
.nav-item:hover,.nav-item.active{background:var(--nav2);color:#fff}
.nav-item.active{box-shadow:inset 3px 0 0 #6b72ff}
.side-card{margin-top:auto;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.07);border-radius:18px;padding:18px}
.eyebrow{margin:0 0 7px;text-transform:uppercase;letter-spacing:.12em;color:#72809a;font-size:10px;font-weight:800}
.side-card .eyebrow{color:#8a98ad}.side-card h3{font-size:17px;line-height:1.45;margin:0 0 20px}
.progress-label{display:flex;justify-content:space-between;color:#bec7d5;font-size:11px}.progress-label b{color:#fff}
.progress{height:6px;background:#283449;border-radius:99px;margin:8px 0 10px;overflow:hidden}.progress span{display:block;width:68%;height:100%;background:linear-gradient(90deg,#6874ff,#a45fff)}
.mini{font-size:10px;color:#808ca0;margin:0}.side-footer{font-size:10px;color:#647087;margin:18px 4px 0}
.main{padding:38px 42px 60px;max-width:1600px;width:100%}
.topbar{display:flex;justify-content:space-between;gap:30px;align-items:flex-start}
.topbar h1{font-size:30px;margin:0;letter-spacing:-.04em}.subtitle{margin:9px 0 0;color:var(--muted);font-size:14px}
.profile{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);padding:8px 10px 8px 15px;border-radius:14px}
.profile-text{text-align:right}.profile-text strong,.profile-text span{display:block}.profile-text strong{font-size:12px}.profile-text span{font-size:10px;color:var(--muted);margin-top:3px}
.avatar{width:38px;height:38px;display:grid;place-items:center;background:#111827;color:#fff;border-radius:12px;font-weight:800}
.hero{margin-top:28px;background:linear-gradient(125deg,#111b2f 0%,#182a49 55%,#3545a8 100%);border-radius:25px;color:#fff;padding:36px 38px;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;box-shadow:var(--shadow);overflow:hidden;position:relative}
.hero:after{content:"AX";position:absolute;right:-25px;top:-52px;font-size:190px;font-weight:900;color:rgba(255,255,255,.035);letter-spacing:-.08em}
.hero-badge{display:inline-block;font-size:10px;font-weight:800;color:#ccd5ff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.09);border-radius:999px;padding:8px 10px}
.hero h2{font-size:31px;line-height:1.25;letter-spacing:-.045em;margin:16px 0 11px}.hero h2 em{font-style:normal;color:#aeb7ff}
.hero p{color:#aeb9cb;margin:0;font-size:13px;max-width:600px;line-height:1.65}
.hero-stats{display:grid;grid-template-columns:repeat(4,95px);position:relative;z-index:1}
.hero-stats div{padding:8px 14px;border-left:1px solid rgba(255,255,255,.12)}.hero-stats b,.hero-stats span{display:block}.hero-stats b{font-size:22px}.hero-stats span{font-size:10px;color:#98a5bb;margin-top:4px}
.dashboard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:19px 20px;min-height:112px}
.metric-card span,.metric-card strong,.metric-card small{display:block}.metric-card span{color:var(--muted);font-size:11px;font-weight:700}.metric-card strong{font-size:28px;margin:7px 0 4px}.metric-card small{color:#9aa1ad;font-size:10px}
.metric-card.accent{background:linear-gradient(135deg,#eff2ff,#fff);border-color:#dfe4ff}
.board-section{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:21px;padding:26px;box-shadow:0 10px 30px rgba(18,27,45,.035)}
.board-head{display:flex;justify-content:space-between;align-items:center;gap:20px}.board-head h2{margin:0;font-size:22px}
.primary-btn{border:0;color:#fff;background:linear-gradient(135deg,var(--primary),var(--primary2));border-radius:11px;padding:11px 17px;font-size:12px;font-weight:800;box-shadow:0 8px 18px rgba(79,103,255,.22)}
.ghost-btn{border:1px solid var(--line);background:#fff;color:#596170;border-radius:11px;padding:11px 17px;font-weight:700}
.toolbar{margin-top:22px;display:grid;grid-template-columns:1fr 170px;gap:10px}
.search-box{height:44px;border:1px solid var(--line);border-radius:11px;display:flex;align-items:center;gap:9px;padding:0 13px;background:#fafbfc}.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:12px}
select{border:1px solid var(--line);border-radius:11px;background:#fff;padding:0 12px;color:#4f5663;font-size:12px}
.table-wrap{overflow:auto;margin-top:15px}table{border-collapse:collapse;width:100%;min-width:780px}
th{font-size:10px;text-align:left;color:#89909c;background:#f7f8fa;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px}
td{padding:14px 12px;border-bottom:1px solid #eef0f3;font-size:12px;color:#4f5662}th.num,td.num{width:62px;text-align:center;color:#9aa0aa}
.post-title{font-size:12px;color:#20242c;font-weight:750;cursor:pointer}.post-title:hover{color:var(--primary)}
.tag{display:inline-flex;align-items:center;justify-content:center;min-width:66px;border-radius:999px;padding:6px 9px;font-size:9px;font-weight:800}
.tag.notice{background:#ffecec;color:#d34242}.tag.resource{background:#edf1ff;color:#5368e8}.tag.assignment{background:#ecf8ef;color:#2f8e4d}.tag.qna{background:#fff4df;color:#a56b15}.tag.review{background:#f6ebff;color:#8c4ac0}
.pin{display:inline-block;font-size:9px;color:#ff5a5a;margin-right:6px;font-weight:900}
.empty{display:none;text-align:center;padding:60px 0;color:#9aa0ab}.empty div{font-size:26px}.empty strong,.empty span{display:block}.empty strong{font-size:14px;color:#636b78;margin:8px}.empty span{font-size:11px}
.pagination{display:flex;justify-content:center;gap:6px;margin-top:22px}.page-btn{width:31px;height:31px;border:1px solid var(--line);background:#fff;border-radius:8px;color:#68707e;font-size:11px}.page-btn.active{background:#1c2535;color:#fff;border-color:#1c2535}
.modal{display:none;position:fixed;inset:0;background:rgba(6,12,22,.58);backdrop-filter:blur(4px);z-index:20;padding:30px;align-items:center;justify-content:center}.modal.show{display:flex}
.modal-panel{width:min(760px,100%);max-height:90vh;overflow:auto;background:#fff;border-radius:22px;padding:30px;position:relative;box-shadow:0 25px 80px rgba(0,0,0,.22)}
.modal-close{position:absolute;right:18px;top:14px;border:0;background:transparent;color:#7e8795;font-size:28px}
.detail-panel .detail-meta{display:flex;gap:8px;align-items:center;margin-bottom:14px}.detail-panel h2{font-size:25px;line-height:1.35;margin:0 30px 12px 0}.detail-sub{font-size:11px;color:#8b93a0;padding-bottom:20px;border-bottom:1px solid var(--line)}
.detail-body{white-space:pre-wrap;line-height:1.85;font-size:13px;color:#424a56;padding:24px 0;min-height:180px}
.detail-footer{border-top:1px solid var(--line);padding-top:18px;display:flex;justify-content:space-between;color:#9198a4;font-size:10px}
.modal-title h2{margin:0 0 20px}.form-row{display:grid;gap:7px;margin-bottom:14px}.form-row label{font-size:11px;font-weight:800;color:#59616d}
.form-row input,.form-row select,.form-row textarea{border:1px solid var(--line);border-radius:11px;padding:12px 13px;outline:0;background:#fbfcfd}.form-row textarea{resize:vertical;line-height:1.6}
.form-row input:focus,.form-row textarea:focus,.form-row select:focus{border-color:#94a0ff;box-shadow:0 0 0 3px rgba(79,103,255,.08)}
.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:22px}
@media(max-width:1050px){.app-shell{grid-template-columns:82px 1fr}.sidebar{padding:22px 13px}.brand>div:last-child,.nav-item:not(.active) span+*,.nav-item{font-size:0}.brand{justify-content:center}.nav-item{justify-content:center}.nav-item span{font-size:16px}.side-card,.side-footer{display:none}.hero{align-items:flex-start;flex-direction:column}.hero-stats{grid-template-columns:repeat(4,1fr);width:100%}}
@media(max-width:760px){.app-shell{display:block}.sidebar{position:static;height:auto;display:block}.brand{justify-content:flex-start;margin-bottom:18px}.brand>div:last-child{display:block}.nav{display:flex;overflow:auto}.nav-item{min-width:max-content;font-size:11px}.nav-item span{font-size:12px}.main{padding:22px 14px}.topbar{align-items:center}.profile-text{display:none}.hero{padding:27px 22px}.hero h2{font-size:25px}.hero-stats{grid-template-columns:repeat(2,1fr);gap:8px}.dashboard-grid{grid-template-columns:repeat(2,1fr)}.toolbar{grid-template-columns:1fr}.board-section{padding:18px}.modal{padding:10px}.modal-panel{padding:24px 18px}}