:root{color-scheme:light dark;--bg:#f5f6f8;--surface:#fff;--fg:#17212b;--muted:#465364;--line:#c2cad4;--accent:#145738}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 system-ui,sans-serif;word-break:keep-all;overflow-wrap:anywhere}main{max-width:840px;margin:auto;padding:24px}header,form,section{margin-bottom:24px}form{padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:16px}h1{font-size:28px;line-height:1.4}h2{font-size:21px}label{display:block;margin:16px 0}input,select,button{font:inherit;max-width:100%;border:1px solid var(--line);border-radius:8px;padding:10px 12px;background:var(--surface);color:var(--fg)}input,select{width:100%;display:block;margin-top:6px}button{cursor:pointer;min-height:44px}button:disabled{opacity:.55;cursor:default}a{color:var(--accent)}:focus-visible{outline:3px solid var(--accent);outline-offset:3px}.actions{display:flex;gap:12px;flex-wrap:wrap}.records p{border-bottom:1px solid var(--line);padding:10px 0}#notice{padding:14px;border-left:4px solid var(--accent);background:var(--surface)}[hidden]{display:none!important}
@media(prefers-color-scheme:dark){:root{--bg:#121820;--surface:#1d2632;--fg:#eef3f8;--muted:#c0cad7;--line:#637185;--accent:#8ae4b5}}
@media(max-width:480px){main{padding:16px}form{padding:16px}.actions button{flex:1}}