:root{color-scheme:dark;--bg:#081321;--card:#101f35;--line:#2c4262;--text:#e9f1ff;--muted:#9db0cc;--blue:#79a6ff}*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:15px/1.5 "Segoe UI",Arial,sans-serif}header{border-bottom:1px solid var(--line);padding:20px max(20px,calc((100vw - 1160px)/2));display:flex;justify-content:space-between;gap:20px}a{color:var(--blue)}.brand{color:var(--text);font-size:24px;font-weight:800;text-decoration:none}
main{max-width:1200px;margin:auto;padding:24px 20px 60px}h1{font-size:30px}h2{font-size:19px;margin:0 0 14px}p{overflow-wrap:anywhere}.muted{color:var(--muted);font-size:13px}section{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:22px;margin-bottom:20px;min-width:0}
.columns{display:grid;grid-template-columns:1fr 1fr;gap:20px}.columns section{height:fit-content}label{display:grid;gap:6px;margin-bottom:14px;font-size:13px;color:var(--muted)}input,select,button{font:inherit;border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:var(--text);background:#091627;max-width:100%}input,select{width:100%}button{cursor:pointer;background:#1b3254;font-weight:600;min-height:44px}button:hover{border-color:var(--blue)}button:disabled{opacity:.45;cursor:not-allowed}.primary{background:#568cf1;color:#061020}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:15px}.check{display:flex;align-items:start}.check input{width:18px;flex:0 0 18px;margin-top:4px}.item{padding:15px 0;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:15px;overflow-wrap:anywhere}.item:last-child{border:0}.item small{display:block;color:var(--muted)}#notice{padding:12px 16px;border:1px solid var(--line);border-radius:9px;white-space:pre-wrap}#notice.error{border-color:#a74e62;color:#ffb7c5}#notice:empty{display:none}dialog{width:min(760px,calc(100% - 24px));max-height:90vh;overflow:auto;background:var(--card);color:var(--text);border:1px solid var(--line);border-radius:14px;padding:24px}dialog::backdrop{background:#020711ba}dl{display:grid;grid-template-columns:1fr 2fr;gap:10px}dt{color:var(--muted)}dd{margin:0;overflow-wrap:anywhere}[hidden]{display:none!important}#checkoutResult{margin-top:20px}
@media(max-width:720px){.columns{grid-template-columns:1fr;gap:0}.item{align-items:start;flex-direction:column}main{padding:16px 12px}section{padding:16px}.actions button{flex:1}h1{font-size:26px}dl{grid-template-columns:1fr}dd{margin-bottom:8px}}
@media print{body,dialog{background:white;color:black}header,main>h1,main>p,#workspace,dialog button,dialog form{display:none!important}dialog[open]{position:static;width:100%;max-height:none;border:0}dt{color:#444}main{padding:0}dialog::backdrop{display:none}}