:root{font-family:Pretendard,Apple SD Gothic Neo,system-ui,sans-serif;line-height:1.5;color:#1c2430;background:#f4f6f8}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.sidebar{background:#1b4332;color:#fff;padding:24px 16px}.sidebar h1{font-size:1.1rem;margin:0 0 24px}.sidebar nav{display:flex;flex-direction:column;gap:8px}.sidebar a{padding:10px 12px;border-radius:8px}.sidebar a.active,.sidebar a:hover{background:#ffffff1f}.content{padding:28px}.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 3px #0000000f}.grid{display:grid;gap:16px}.grid.stats{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}.stat{padding:16px;border-radius:10px;background:#f8faf9}.stat strong{display:block;font-size:1.4rem}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid #e8ecef}.btn{border:none;border-radius:8px;padding:8px 14px;cursor:pointer;background:#2d6a4f;color:#fff}.btn.secondary{background:#e8ecef;color:#1c2430}.btn.danger{background:#e25545}.form-row{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.form-row input,.form-row select,.form-row textarea{padding:8px 10px;border:1px solid #d0d7de;border-radius:8px}.login-page{min-height:100vh;display:grid;place-items:center}.login-card{width:min(400px,92vw)}.error{color:#b33a2c;font-size:.9rem}.actions{display:flex;gap:8px;flex-wrap:wrap}