:root{color-scheme:dark;font-family:"Microsoft YaHei",system-ui,sans-serif;background:#222132;color:#f4f1ff}*{box-sizing:border-box}body{margin:0}header{display:flex;align-items:center;gap:18px;padding:22px 32px;border-bottom:1px solid #514967;background:#2d2a40}header img{width:64px;height:64px;object-fit:contain;border-radius:12px;background:#fff}h1{font-size:23px;margin:0 0 6px}header p,p.note{color:#c9c1dc;font-size:13px;line-height:1.8}header p{margin:0}#adminIdentity{margin-left:auto}main{max-width:1240px;margin:28px auto;padding:0 26px}.login{max-width:480px;margin:55px auto;padding:30px;background:#302c43;border:1px solid #5c5374;border-radius:14px}h2{margin-top:0;font-size:22px}h3{font-size:17px;margin-top:25px}label{display:grid;gap:9px;margin:15px 0;font-size:13px}input,textarea,select{width:100%;border:1px solid #655b7a;border-radius:7px;padding:11px 12px;background:#252236;color:#fff;font:inherit}textarea{min-height:130px;resize:vertical}input[type=checkbox]{width:18px;accent-color:#9579ff}button{border:1px solid #8068c5;background:#7558d5;color:#fff;padding:10px 16px;border-radius:7px;font:inherit;font-size:13px;cursor:pointer}button:hover{background:#8e70ee}button:disabled{opacity:.55;cursor:default}button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid #c6b7ff;outline-offset:3px}nav{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:22px}nav button{background:#332d49}nav button.active{background:#775bd6}article{padding:26px;background:#2c293e;border:1px solid #504760;border-radius:12px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.card{padding:18px;margin:16px 0;border:1px solid #554c6b;border-radius:10px}.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.check{display:flex;align-items:center;gap:10px}.danger{background:#8e3c59;border-color:#c86c88}#adminStatus{position:sticky;bottom:12px;background:#39304e;border-radius:8px;padding:14px;color:#f2ddae;line-height:1.8;white-space:pre-wrap}#adminStatus:empty{display:none}table{width:100%;border-collapse:collapse;font-size:12px}th,td{padding:12px 8px;border-bottom:1px solid #514762;text-align:left;overflow-wrap:anywhere}th{color:#c8bbef}.table-wrap{overflow-x:auto}small{color:#c9bddb}img.qr{width:180px;height:180px;object-fit:contain;background:#fff;padding:10px;display:block;margin:14px 0}[hidden]{display:none!important}@media(max-width:800px){.grid{grid-template-columns:1fr}header{padding:18px;flex-wrap:wrap}main{padding:0 14px}article{padding:18px}}

:root{color-scheme:light;background:#edf8ff;color:#173e59}header,.login,article{background:#f4fbff;border-color:#b7dff4}header p,p.note,small,th{color:#44728e}input,textarea,select{background:#fff;color:#173e59;border-color:#acd8ef}button,nav button.active{background:#159bd7;border-color:#1386bc;color:#fff}button:hover{background:#0c85be}nav button{background:#d6efff;color:#175a80}.card,th,td{border-color:#b9dff2}#adminStatus{background:#d9f1ff;color:#194f70}

:root{background:#f0f5fc;color:#173253}header{background:#163e73;color:white}header p{color:#dceaff}button,nav button.active{background:#1765ce;border-color:#1459b5;color:white}button:hover{background:#1054b5}article,.login{background:white;border-color:#c9d9ec}#adminStatus{background:#e5efff;color:#174b87}

/* Deep navy administration theme. */
:root{color-scheme:dark;background:#091a32;color:#edf5ff}header{background:#07162b;border-color:#2b4c75}header p,p.note,small,th{color:#b0c5df}article,.login,.card{background:#10294b;color:#edf5ff;border-color:#2b4c75}input,textarea,select{background:#0a1f3b;color:#edf5ff;border-color:#41658f}button,nav button.active{background:#1c5ca6;border-color:#3e7ac1;color:#fff}nav button{background:#16365c;color:#d8eaff}button:hover{background:#2673c7}th,td{border-color:#2b4c75}#adminStatus{background:#16365c;color:#d8eaff}