:root{color-scheme:light dark;--paper:#fff;--ink:#171a16;--soft:#f6f7f3;--line:#dedfd8;--accent:#577019}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,'Noto Sans KR',sans-serif;font-size:15px;line-height:1.65}a{color:inherit}header{border-bottom:1px solid var(--line);padding:22px max(20px,calc((100vw - 1160px)/2));display:flex;justify-content:space-between;gap:20px;align-items:center}.brand{font-weight:800;text-decoration:none;font-size:22px}.brand i{color:var(--accent)}header nav{display:flex;gap:18px;font-size:13px}main{max-width:1160px;margin:60px auto;padding:0 24px}.login-wrap{max-width:480px}h1{font-size:30px;line-height:1.3;letter-spacing:-1px}h2{font-size:21px}h3{font-size:18px}.muted,small{color:#73766d;font-size:13px}.panel,.coupon{border:1px solid var(--line);padding:26px;background:var(--paper)}label{display:block;margin:16px 0 6px;font-size:13px}input,textarea,select,button{font:inherit;color:inherit}input:not([type=checkbox]),textarea,select{display:block;width:100%;padding:12px;border:1px solid var(--line);background:var(--paper);border-radius:0}textarea{min-height:100px;resize:vertical}button,.btn{display:inline-block;border:1px solid var(--line);background:var(--soft);padding:10px 17px;cursor:pointer;text-decoration:none;font-size:13px}.primary{background:var(--ink);color:var(--paper);border-color:var(--ink)}button:disabled{opacity:.5;cursor:wait}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.tabs{display:flex;gap:8px;margin:24px 0}.tabs button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.error{color:#ae3535}.success{color:var(--accent)}[hidden]{display:none!important}.check{display:flex;align-items:center;gap:10px}.check input{width:18px;height:18px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.coupon .code{display:inline-block;font:600 15px monospace;background:var(--soft);padding:8px 12px;letter-spacing:1px}.coupon .benefit{font-size:19px;font-weight:700}.coupon .terms{white-space:pre-wrap;font-size:13px}.badge{display:inline-block;background:var(--soft);padding:3px 8px;font-size:12px;color:var(--accent)}.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px}.definition{padding:16px 0;border-bottom:1px solid var(--line)}.issued{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:12px 8px;vertical-align:top}code{white-space:nowrap}#memberForm button[type=submit]{width:100%;margin-top:24px}#couponForm button[type=submit]{margin-top:24px}#memberForm .hint{font-size:12px;margin-top:16px}.section{margin-top:40px}@media(max-width:760px){main{margin-top:32px;padding:0 20px}.admin-grid,.cards{grid-template-columns:1fr}header{padding:18px 20px}h1{font-size:26px}.panel,.coupon{padding:20px}}@media(prefers-color-scheme:dark){:root{--paper:#151714;--ink:#f4f5ef;--soft:#21251e;--line:#383d32;--accent:#bdd976}.muted,small{color:#abb0a4}.error{color:#ff9b95}}