:root{font-family:system-ui,-apple-system,"Malgun Gothic",sans-serif;color:#1d3047;background:#f3f6fa;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,a{font:inherit}button,a.action{cursor:pointer;border:1px solid #d6deea;border-radius:10px;padding:11px 16px;background:#fff;color:#284361;text-decoration:none}button.primary,a.primary{background:#245de9;color:white;border-color:#245de9}button:hover,a.action:hover{filter:brightness(.96)}button:disabled{opacity:.6;cursor:wait}input{width:100%;border:1px solid #cbd6e4;border-radius:10px;padding:13px 14px;background:white;color:#17304c}input:focus{outline:3px solid #c5d6ff;outline-offset:1px}label{display:grid;gap:8px;font-size:14px;font-weight:600}h1{font-size:30px;letter-spacing:-1px;line-height:1.3}p{line-height:1.7}.muted{color:#67788d}.brand{font-weight:800;color:#245de9;letter-spacing:-.5px}.auth{max-width:420px;margin:12vh auto;padding:34px;background:white;border:1px solid #e0e7f0;border-radius:20px;box-shadow:0 12px 50px #14355908}.auth form{display:grid;gap:20px}.auth h1{margin-top:12px}.error{color:#b32b34;min-height:1.5em;font-size:14px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:20px 5vw;background:white;border-bottom:1px solid #e1e8f1;gap:12px}.topbar nav{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.content{max-width:1000px;margin:52px auto;padding:0 24px}.search-box{display:flex;gap:10px;background:white;border:1px solid #d8e2ef;border-radius:16px;padding:18px;margin:28px 0}.search-box input{font-size:19px;flex:1;min-width:0}.search-box button{white-space:nowrap;min-width:90px}.section-head{display:flex;align-items:center;justify-content:space-between;gap:15px;margin:32px 0 15px}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}.customer{background:#fff;border:1px solid #dbe3ed;padding:22px;border-radius:14px;display:grid;gap:12px}.customer h3{margin:0}.birth{font-size:19px;font-weight:700;letter-spacing:1px;color:#254f82}.empty{padding:40px;text-align:center;background:white;border:1px dashed #c9d5e4;border-radius:14px}.admin-form{display:grid;grid-template-columns:1fr 1fr auto;gap:12px;align-items:end;padding:24px;background:white;border:1px solid #dbe3ed;border-radius:14px}.user-row{display:flex;gap:14px;align-items:center;justify-content:space-between;padding:20px;background:white;border-bottom:1px solid #e2e8ef}.user-actions{display:flex;gap:8px;flex-wrap:wrap}dialog{border:1px solid #d9e2ed;border-radius:16px;padding:28px;max-width:500px;width:calc(100% - 32px)}dialog::backdrop{background:#10203970}.dialog-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}[hidden]{display:none!important}@media(max-width:600px){.auth{margin:7vh 18px;padding:26px}.topbar{padding:15px 18px;align-items:flex-start}.topbar nav{font-size:13px}.content{margin-top:32px;padding:0 18px}h1{font-size:26px}.search-box{padding:10px}.admin-form{grid-template-columns:1fr}.user-row{align-items:flex-start;flex-direction:column}.user-actions button{font-size:13px}}