:root{color-scheme:light;font:16px/1.4 system-ui,sans-serif}body{margin:0;background:#f6f6f4;color:#1d1d1b}header{background:#1f3a2d;color:#fff;padding:10px 20px;display:flex;gap:20px;align-items:center}header a{color:#fff;text-decoration:none}header .user{margin-left:auto;display:flex;gap:10px;align-items:center}main{max-width:1100px;margin:24px auto;padding:0 16px}table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:8px 10px;text-align:left;border-bottom:1px solid #ddd;vertical-align:top}th{background:#eceee9}form.inline{display:inline}button{padding:8px 12px;cursor:pointer}input,select{padding:8px}label{display:block;margin:8px 0}.card{background:#fff;padding:16px;margin:16px 0;border:1px solid #ddd}.msg{padding:10px;margin:12px 0;background:#e6f1ea}.err{padding:10px;margin:12px 0;background:#f8e1e1}code{font-size:.9em}img.qr{width:320px;max-width:100%;display:block}small{color:#555}