:root{--bg: #ffffff;--surface: #f7f8fa;--border: #dfe3ea;--border-strong: #c3cad6;--text: #14171c;--hint: #8b95a3;--accent: #5661e8;--charcoal: #14171c;--danger: #c0392b;--ok: #1e7a4d}*{box-sizing:border-box}body{margin:0;font:14px/1.5 -apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Pretendard,sans-serif;color:var(--text);background:var(--bg)}a{color:var(--accent)}.shell{display:grid;grid-template-columns:200px 1fr;min-height:100vh}.side{background:var(--surface);border-right:1px solid var(--border);padding:16px 0}.side h1{font-size:15px;font-weight:700;margin:0 0 16px;padding:0 16px}.side nav a{display:block;padding:8px 16px;color:var(--text);text-decoration:none;font-weight:500}.side nav a:hover{background:#eceff3}.side nav a.on{font-weight:700;box-shadow:inset 3px 0 0 var(--accent)}.side .foot{padding:16px;margin-top:24px;border-top:1px solid var(--border)}.main{padding:24px 28px;max-width:1200px}.main>header{display:flex;align-items:baseline;gap:12px;margin-bottom:16px}.main>header h2{font-size:20px;font-weight:700;margin:0}.main>header .sub{color:var(--text);font-size:13px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}th{font-weight:700;border-bottom:1px solid var(--border-strong);white-space:nowrap}tbody tr:hover{background:var(--surface)}td.num{text-align:right;font-variant-numeric:tabular-nums}input,select,textarea{font:inherit;color:var(--text);background:#fff;border:1px solid var(--border-strong);border-radius:4px;padding:6px 8px}input::placeholder,textarea::placeholder{color:var(--hint)}textarea{width:100%;resize:vertical}label{font-weight:600;display:block;margin-bottom:4px}button{font:inherit;font-weight:600;cursor:pointer;border:1px solid var(--border-strong);background:#fff;color:var(--text);border-radius:4px;padding:6px 12px}button:hover{background:var(--surface)}button.primary{background:var(--charcoal);color:#fff;border-color:var(--charcoal)}button.primary:hover{opacity:.88}button.danger{color:var(--danger);border-color:var(--danger)}button:disabled{opacity:.45;cursor:not-allowed}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.stack{display:flex;flex-direction:column;gap:12px}.tag{display:inline-block;font-size:12px;font-weight:700;padding:1px 6px;border:1px solid currentColor;border-radius:3px}.tag.ok{color:var(--ok)}.tag.warn{color:var(--danger)}.tag.muted{color:var(--text);border-color:var(--border-strong)}.error{border:1px solid var(--danger);border-radius:6px;padding:12px 14px}.error h3{margin:0 0 4px;font-size:14px;color:var(--danger)}.error code{font-size:12px;color:var(--text)}.empty{padding:32px;text-align:center;border:1px dashed var(--border-strong);border-radius:6px}.card{border:1px solid var(--border);border-radius:6px;padding:14px 16px}