:root{--bg:#f5f6f8;--surface:#fff;--text:#16181d;--muted:#5d6470;--line:#e2e5ea;--brand:#1b3a6b;--brand-ink:#fff;--brand-soft:#e8eef8;--accent:#e2572b;--ok:#18794e;--ok-soft:#e6f4ec;--warn:#b54708;--warn-soft:#fff4e5;--danger:#c4320a;--danger-soft:#fdecea;--closed:#8a919c;--radius:14px;--shadow:0 1px 2px #1018280f, 0 1px 3px #10182814;color-scheme:light}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;word-break:keep-all;font-family:Pretendard Variable,Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Noto Sans KR,sans-serif;line-height:1.55}a{color:var(--brand)}button,input,textarea,select{font:inherit;color:inherit}.wrap{max-width:1080px;margin:0 auto;padding:0 16px}.topbar{z-index:20;background:var(--brand);color:var(--brand-ink);position:sticky;top:0}.topbar .wrap{align-items:center;gap:16px;min-height:56px;display:flex}.topbar .logo{letter-spacing:-.02em;color:inherit;font-size:17px;font-weight:800;text-decoration:none}.topbar .logo small{opacity:.75;margin-left:6px;font-size:13px;font-weight:500}.topbar nav{scrollbar-width:none;gap:2px;margin-left:auto;display:flex;overflow-x:auto}.topbar nav a,.topbar nav button{color:inherit;cursor:pointer;opacity:.85;white-space:nowrap;background:0 0;border:0;border-radius:8px;padding:6px 10px;font-size:14px;text-decoration:none}.topbar nav a[aria-current=page],.topbar nav a:hover,.topbar nav button:hover{opacity:1;background:#ffffff24}.proto-ribbon{background:var(--warn-soft);color:var(--warn);text-align:center;padding:6px 16px;font-size:13px}main{padding:20px 0 64px}h1{letter-spacing:-.02em;margin:4px 0 12px;font-size:22px}h2{letter-spacing:-.01em;margin:28px 0 10px;font-size:18px}h3{margin:0 0 6px;font-size:16px}p{margin:0 0 10px}.muted{color:var(--muted)}.small{font-size:13px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}.btn{background:var(--brand);min-height:40px;color:var(--brand-ink);cursor:pointer;border:1px solid #0000;border-radius:10px;justify-content:center;align-items:center;gap:6px;padding:8px 16px;font-weight:600;text-decoration:none;transition:filter .15s;display:inline-flex}.btn:hover:not(:disabled){filter:brightness(1.08)}.btn:disabled{cursor:not-allowed}.btn:disabled:not([class*=state-]){opacity:.5}.btn.secondary{background:var(--surface);color:var(--text);border-color:var(--line)}.btn.danger{background:var(--danger)}.btn.ghost{color:var(--brand);background:0 0;border-color:#0000}.btn.block{width:100%}.btn.state-picked{background:var(--ok-soft);color:var(--ok);border-color:#b7e0c9}.btn.state-closed,.btn.state-notOpen,.btn.state-limitReached{color:var(--closed);background:#eceef1}label.field{gap:6px;margin-bottom:14px;font-size:14px;font-weight:600;display:grid}input[type=text],input[type=email],input[type=number],input[type=datetime-local],textarea,select{border:1px solid var(--line);background:var(--surface);border-radius:10px;width:100%;padding:10px 12px;font-weight:400}input:focus,textarea:focus,select:focus{outline:2px solid var(--brand);outline-offset:0;border-color:var(--brand)}textarea{resize:vertical;min-height:64px}.banner{border-radius:var(--radius);flex-wrap:wrap;align-items:center;gap:6px 16px;margin-bottom:16px;padding:14px 16px;display:flex}.banner.prep{background:var(--brand-soft);color:var(--brand)}.banner.open{background:var(--ok-soft);color:var(--ok)}.banner.closed,.banner.assigned{color:#3d434c;background:#eceef1}.banner.published{background:var(--warn-soft);color:var(--warn)}.banner strong{font-size:16px}.banner .countdown{font-variant-numeric:tabular-nums;font-weight:700}.banner .spacer{flex:1}.progress{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px;display:flex}.progress .dot{background:var(--line);border-radius:3px;width:30px;height:6px}.progress .dot.on{background:var(--ok)}.toolbar{flex-wrap:wrap;gap:8px;margin-bottom:12px;display:flex}.toolbar input{flex:200px}.toolbar select{flex:none;width:auto}.toolbar .check{white-space:nowrap;align-items:center}.grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}.mentor{flex-direction:column;gap:8px;display:flex}.mentor .head{align-items:center;gap:12px;display:flex}.avatar{background:var(--brand-soft);width:48px;height:48px;color:var(--brand);border-radius:50%;flex:none;place-items:center;font-size:18px;font-weight:700;display:grid}.mentor .name{font-size:16px;font-weight:700}.mentor .headline{color:var(--muted);font-size:13px}.chip{background:var(--brand-soft);color:var(--brand);border-radius:999px;padding:2px 8px;font-size:12px;display:inline-block}.mentor .meta{justify-content:space-between;align-items:center;font-size:14px;display:flex}.remain{font-variant-numeric:tabular-nums;font-weight:700}.remain.zero{color:var(--closed)}.mentor .actions{gap:8px;margin-top:auto;display:flex}.mentor .actions .btn{flex:1}.mentor.picked{border-color:#b7e0c9;box-shadow:0 0 0 1px #b7e0c9}dialog{border-radius:var(--radius);border:0;width:min(520px,100vw - 32px);padding:0;box-shadow:0 20px 50px #00000040}dialog::backdrop{background:#0f141e73}dialog .body{padding:20px}dialog .foot{flex-wrap:wrap;justify-content:flex-end;gap:8px;padding:12px 20px 20px;display:flex}.warn-box{background:var(--danger-soft);color:var(--danger);border-radius:10px;margin:12px 0;padding:12px 14px;font-size:14px}.warn-box ul{margin:6px 0 0;padding-left:18px}.check{align-items:flex-start;gap:8px;font-size:14px;display:flex}.check input{margin-top:4px}#toast{z-index:50;color:#fff;opacity:0;pointer-events:none;background:#1e2430;border-radius:12px;max-width:calc(100vw - 32px);padding:12px 18px;font-size:14px;transition:opacity .2s;position:fixed;bottom:24px;left:50%;transform:translate(-50%);box-shadow:0 10px 30px #00000040}#toast.show{opacity:1}#toast.ok{background:var(--ok)}#toast.err{background:var(--danger)}.live{color:var(--muted);align-items:center;gap:6px;font-size:12px;display:inline-flex}.live:before{content:"";background:var(--closed);border-radius:50%;width:8px;height:8px}.live.on:before{background:#22c55e}.live.poll:before{background:#f59e0b}.table-wrap{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:8px 10px}th{color:var(--muted);background:#f9fafb;font-weight:600;position:sticky;top:0}tr:last-child td{border-bottom:0}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.stats{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:8px;display:grid}.stat .label{color:var(--muted);font-size:13px}.stat .value{font-variant-numeric:tabular-nums;font-size:22px;font-weight:700}.tabs{border-bottom:1px solid var(--line);gap:4px;margin-bottom:16px;display:flex;overflow-x:auto}.tabs button{cursor:pointer;color:var(--muted);white-space:nowrap;background:0 0;border:0;border-bottom:2px solid #0000;padding:10px 14px;font-weight:600}.tabs button[aria-selected=true]{color:var(--brand);border-bottom-color:var(--brand)}.bar{background:var(--line);border-radius:4px;min-width:80px;height:8px;overflow:hidden}.bar>span{background:var(--brand);height:100%;display:block}.stack{gap:12px;display:grid}.row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.hidden{display:none!important}.q-item{align-items:flex-start;gap:8px;display:flex}.q-item textarea{flex:1}.q-item .count{color:var(--muted);text-align:right;min-width:56px;padding-top:10px;font-size:12px}@media (width<=560px){h1{font-size:20px}.topbar .logo small{display:none}.topbar .wrap{gap:8px}.topbar .logo{font-size:15px}.topbar nav a,.topbar nav button{padding:6px 7px;font-size:13px}.grid{grid-template-columns:1fr}}