:root{--bg: #f6f7f9;--card: #ffffff;--line: #e3e6ea;--text: #16191d;--muted: #6b7280;--accent: #1f5eff;--accent-soft: #eef3ff;--good: #0f9d58;--warn: #b45309;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:Pretendard Variable,Pretendard,system-ui,sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}.layout{display:flex;min-height:100vh}nav.side{width:190px;flex:0 0 190px;background:var(--card);border-right:1px solid var(--line);padding:20px 12px}nav.side h1{font-size:15px;margin:0 0 4px 8px;letter-spacing:-.2px}nav.side .who{font-size:12px;color:var(--muted);margin:0 0 18px 8px}nav.side a{display:block;padding:8px 10px;border-radius:8px;color:var(--text);font-size:14px;margin-bottom:2px}nav.side a:hover{background:var(--bg)}nav.side a.on{background:var(--accent-soft);color:var(--accent);font-weight:600}main{flex:1;padding:26px 30px 60px;max-width:1200px}h2{font-size:20px;margin:0 0 18px;letter-spacing:-.3px}h3{font-size:15px;margin:22px 0 10px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:14px}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-bottom:20px}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.stat .label{font-size:12px;color:var(--muted)}.stat .value{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;margin-top:2px}table{width:100%;border-collapse:collapse;font-size:14px}th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;color:var(--muted);font-weight:600;white-space:nowrap}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}tbody tr:hover{background:#fafbfc}.scroll-x{overflow-x:auto;-webkit-overflow-scrolling:touch}nav.side a.logout{margin-top:18px;color:var(--muted);font-size:13px}input,select,textarea,button{font:inherit;font-family:inherit}input,select,textarea{border:1px solid var(--line);border-radius:8px;padding:8px 10px;background:#fff;width:100%}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent-soft);border-color:var(--accent)}label{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}.field{margin-bottom:12px}.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}button{border:1px solid var(--accent);background:var(--accent);color:#fff;border-radius:8px;padding:8px 14px;cursor:pointer;font-weight:600}button:hover{filter:brightness(1.06)}button.ghost{background:#fff;color:var(--text);border-color:var(--line);font-weight:500}button:disabled{opacity:.5;cursor:default}.err{color:#b91c1c;font-size:13px;margin:8px 0}.ok{color:var(--good);font-size:13px;margin:8px 0}.muted{color:var(--muted);font-size:13px}.tag{display:inline-block;font-size:12px;padding:1px 7px;border-radius:99px;background:var(--bg);border:1px solid var(--line)}.best{background:#e8f5ec;color:var(--good);font-weight:700}.empty-cell{color:#c4c8cd}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-wrap .card{width:340px}@media(max-width:720px){body{font-size:16px}.layout{flex-direction:column}nav.side{width:auto;flex:none;display:flex;align-items:center;gap:4px;overflow-x:auto;-webkit-overflow-scrolling:touch;padding:8px 10px;border-right:none;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}nav.side h1,nav.side .who{display:none}nav.side a{margin:0;padding:7px 12px;white-space:nowrap;font-size:14px}nav.side a.logout{margin-top:0;margin-left:auto}main{padding:16px 14px 48px}h2{font-size:18px;margin-bottom:14px}.card{padding:13px 14px}.scroll-x table{min-width:max-content}.scroll-x td,.scroll-x th{white-space:nowrap}.scroll-x th:first-child,.scroll-x td:first-child{position:sticky;left:0;z-index:1;background:var(--card);box-shadow:1px 0 0 var(--line)}.scroll-x td[style*=pre-wrap]{white-space:pre-wrap;min-width:200px}.stats{grid-template-columns:repeat(2,1fr);gap:8px}.stat{padding:11px 12px}.stat .value{font-size:19px}.row{grid-template-columns:1fr;gap:10px}.card[style*=flex]{flex-wrap:wrap}button{padding:10px 14px}}