*{box-sizing:border-box}
:root{
  --bg:#f6f7fb;--card:#fff;--text:#1e2430;--muted:#6e7687;--line:#e6e8ef;
  --primary:#5b6cff;--primary-dark:#4654de;--danger:#ef4f64;
  --shadow:0 14px 36px rgba(41,48,78,.09);--radius:22px;
}
html,body{margin:0;min-height:100%;font-family:Pretendard,"Noto Sans KR",system-ui,-apple-system,sans-serif;color:var(--text);background:var(--bg)}
button,input,textarea{font:inherit}button{cursor:pointer}.hidden{display:none!important}
.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px;background:
 radial-gradient(circle at 18% 20%,#dfe5ff 0 12%,transparent 28%),
 radial-gradient(circle at 85% 82%,#ffe3ef 0 10%,transparent 27%),
 linear-gradient(135deg,#f8f9ff,#fefcff)}
.login-card{width:min(430px,100%);background:rgba(255,255,255,.92);backdrop-filter:blur(12px);padding:42px;border:1px solid rgba(255,255,255,.8);border-radius:30px;box-shadow:var(--shadow);text-align:center}
.school-mark{font-size:58px}.login-card h1{margin:8px 0 10px;font-size:30px}.muted{color:var(--muted)}
.stack{display:grid;gap:10px;text-align:left;margin-top:28px}.stack label,.modal-card label{font-weight:700;font-size:14px}
input,textarea{width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px 15px;outline:none;transition:.2s}
input:focus,textarea:focus{border-color:#9aa4ff;box-shadow:0 0 0 4px rgba(91,108,255,.1)}
textarea{resize:vertical;line-height:1.6}
.btn{border:0;border-radius:13px;padding:12px 16px;font-weight:800}.btn.primary{background:var(--primary);color:white}.btn.primary:hover{background:var(--primary-dark)}
.btn.ghost{background:#eef0f7;color:#41495a}.btn.danger{background:#ffe9ed;color:#c42e46}.btn.wide{width:100%;margin-top:5px}.btn.small{padding:9px 12px;font-size:13px}
.tiny{font-size:12px;color:#969dac;margin:18px 0 0}.eyebrow{font-size:12px;letter-spacing:.16em;font-weight:900;color:var(--primary);margin:0 0 8px;text-transform:uppercase}
.topbar{height:74px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1120px)/2));position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:11px;cursor:pointer}.brand-icon{font-size:30px}.brand strong,.brand small{display:block}.brand small{font-size:11px;color:#9aa0ad;margin-top:2px}
.top-actions{display:flex;gap:10px;align-items:center}.role-badge{background:#edf0ff;color:#4a59dc;padding:7px 11px;border-radius:999px;font-size:12px;font-weight:900}
.nav-tabs{display:flex;gap:6px;justify-content:center;background:#fff;border-bottom:1px solid var(--line);padding:8px 14px;position:sticky;top:74px;z-index:19}
.nav-tab{border:0;background:transparent;padding:10px 14px;border-radius:11px;font-weight:800;color:#72798a}.nav-tab.active{background:#eef0ff;color:#4d5be0}
.container{width:min(1120px,calc(100% - 32px));margin:32px auto 70px}
.hero{background:linear-gradient(135deg,#5b6cff,#7b65ea 58%,#9a72ee);border-radius:28px;color:#fff;padding:38px 42px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow)}
.hero .eyebrow{color:#dfe3ff}.hero h2{font-size:34px;line-height:1.25;margin:0 0 12px}.hero p:last-child{margin:0;color:#e7e9ff}.hero-art{font-size:72px;letter-spacing:-15px;transform:rotate(-4deg);padding-right:20px}
.menu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:22px 0}
.menu-card{border:0;text-align:left;background:var(--card);padding:24px;border-radius:22px;box-shadow:0 8px 22px rgba(41,48,78,.06);display:grid;gap:5px;transition:.2s}
.menu-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.menu-card span{font-size:32px}.menu-card strong{font-size:18px}.menu-card small{color:var(--muted)}
.panel{background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px}.panel-head,.section-head{display:flex;align-items:center;justify-content:space-between;gap:20px}
.panel h3,.section-head h2{margin:0}.section-head{margin-bottom:20px}.section-head h2{font-size:30px}.section-head p:last-child{margin:5px 0 0}
.simple-list{display:grid;margin-top:8px}.simple-item{display:grid;grid-template-columns:90px 1fr auto;gap:12px;align-items:center;padding:14px 0;border-top:1px solid var(--line);cursor:pointer}
.simple-item .board-label{font-size:12px;font-weight:900;color:#5c66ca}.simple-item time{font-size:12px;color:#9aa0ad}
.toolbar{display:flex;gap:8px;margin-bottom:14px}.toolbar input{max-width:360px}.post-list{display:grid;gap:10px}
.post-row{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px 20px;display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;cursor:pointer;transition:.15s}
.post-row:hover{border-color:#cdd2ff;transform:translateY(-1px)}.post-row h3{font-size:17px;margin:4px 0 7px}.post-row .summary{color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:720px}
.meta{display:flex;gap:10px;flex-wrap:wrap;color:#8c93a1;font-size:12px}.tag{display:inline-flex;align-items:center;background:#f0f2f8;border-radius:999px;padding:5px 9px;font-size:11px;font-weight:900;color:#626a7b}.tag.pin{background:#fff0d6;color:#a26400}.tag.work{background:#e8f8f0;color:#177c51}
.chev{font-size:26px;color:#c3c7d0}.empty{text-align:center;padding:70px 20px;color:var(--muted)}.empty div{font-size:50px}.empty strong,.empty span{display:block}.empty strong{color:#424957;margin:10px}
.text-button{border:0;background:transparent;padding:0;color:#5b66d5;font-weight:800;margin-bottom:16px}
.post-detail{background:#fff;border:1px solid var(--line);border-radius:22px;overflow:hidden}.post-detail-head{padding:26px 28px;border-bottom:1px solid var(--line)}.post-detail-head h2{font-size:28px;margin:10px 0}.post-content{padding:28px;white-space:pre-wrap;line-height:1.8;min-height:150px}
.project-link{display:inline-block;margin:0 28px 28px;background:#effbf5;color:#16794f;text-decoration:none;padding:13px 16px;border-radius:13px;font-weight:900}
.admin-actions{padding:0 28px 28px}.comments-panel{margin-top:18px}.comments-panel h3{margin:0 0 18px}.comment-form{display:grid;grid-template-columns:180px 1fr auto;gap:8px;align-items:start}.comment-form textarea{min-height:54px;max-height:120px}
.comments-list{display:grid;margin-top:20px}.comment{padding:15px 4px;border-top:1px solid var(--line)}.comment-head{display:flex;justify-content:space-between;gap:15px;margin-bottom:6px}.comment-author{font-weight:900}.comment-time{font-size:11px;color:#9da3af}.comment-body{white-space:pre-wrap;color:#4a5160;line-height:1.6}
.modal{border:0;padding:0;border-radius:24px;width:min(650px,calc(100% - 28px));box-shadow:0 30px 80px rgba(17,24,39,.25)}.modal::backdrop{background:rgba(20,25,40,.45);backdrop-filter:blur(3px)}
.modal-card{display:grid;gap:15px;padding:26px}.modal-card label{display:grid;gap:7px}.modal-head{display:flex;justify-content:space-between}.modal-head h3{font-size:24px;margin:0}.icon-btn{border:0;background:#f0f1f5;width:38px;height:38px;border-radius:50%;font-weight:900}
.modal-actions{display:flex;justify-content:flex-end;gap:8px}.check-row{display:flex!important;align-items:center;gap:8px}.check-row input{width:auto}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,18px);opacity:0;background:#202533;color:#fff;padding:12px 16px;border-radius:12px;z-index:99;font-weight:800;font-size:13px;transition:.25s;pointer-events:none}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(max-width:760px){
  .topbar{height:66px;padding:0 14px}.brand small{display:none}.nav-tabs{top:66px;justify-content:flex-start;overflow-x:auto}.nav-tab{white-space:nowrap}
  .container{width:min(100% - 22px,1120px);margin-top:20px}.hero{padding:28px 24px}.hero h2{font-size:26px}.hero-art{display:none}
  .menu-grid{grid-template-columns:1fr}.menu-card{grid-template-columns:auto 1fr;column-gap:12px}.menu-card span{grid-row:1/3}.menu-card small{grid-column:2}
  .section-head{align-items:flex-end}.section-head h2{font-size:25px}.toolbar input{max-width:none}
  .post-row{padding:16px}.post-row .summary{max-width:70vw}.comment-form{grid-template-columns:1fr}.simple-item{grid-template-columns:72px 1fr}.simple-item time{display:none}
  .post-detail-head,.post-content{padding:22px}.post-detail-head h2{font-size:24px}.project-link{margin-left:22px}.admin-actions{padding-left:22px}
}