:root{--bg:#0f1115;--card:#181b22;--line:#2a2f3a;--fg:#e7e9ee;--mut:#8b93a3;--acc:#5b9dff;--ok:#3ecf8e;--bad:#ff6b6b;--warn:#f5b84b}
@media (prefers-color-scheme:light){:root{--bg:#f5f6f8;--card:#fff;--line:#d9dde4;--fg:#15181e;--mut:#5d6675;--acc:#1f6feb;--ok:#138a55;--bad:#c93232;--warn:#a96b00}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.45 system-ui,sans-serif}
header{display:flex;align-items:center;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:var(--bg);z-index:5;flex-wrap:wrap}
nav{display:flex;gap:4px;flex:1;flex-wrap:wrap}
nav button{background:none;border:0;color:var(--mut);padding:8px 12px;border-radius:8px;font:inherit;cursor:pointer;min-height:40px}
nav button.on{background:var(--card);color:var(--fg);border:1px solid var(--line)}
main{max-width:1000px;margin:0 auto;padding:16px}
h2{margin:0 0 12px;font-size:18px}
h3{margin:16px 0 8px;font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.row>*{min-width:0}
.grow{flex:1}
label{display:block;font-size:13px;color:var(--mut);margin:8px 0 4px}
input,select,textarea,button{font:inherit;color:var(--fg)}
input,select,textarea{width:100%;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;min-height:42px}
button{background:var(--acc);color:#fff;border:0;border-radius:8px;padding:10px 16px;cursor:pointer;min-height:42px}
button.ghost{background:none;color:var(--fg);border:1px solid var(--line)}
button.danger{background:var(--bad)}
button:disabled{opacity:.5;cursor:default}
.muted{color:var(--mut)}
.pill{padding:3px 10px;border-radius:99px;border:1px solid var(--line);font-size:12px}
.pill.ok{color:var(--ok);border-color:var(--ok)}
.pill.bad{color:var(--bad);border-color:var(--bad)}
.pill.warn{color:var(--warn);border-color:var(--warn)}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{text-align:left;padding:6px 8px;border-bottom:1px solid var(--line);vertical-align:top;word-break:break-word}
.tablewrap{overflow-x:auto}
pre{background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px;overflow:auto;max-height:320px;font-size:12px;white-space:pre-wrap;word-break:break-word}
code{font-family:ui-monospace,Consolas,monospace;font-size:13px}
.err{color:var(--bad)}
.codes{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:6px;font-family:ui-monospace,Consolas,monospace}
.qr{background:#fff;padding:10px;border-radius:8px;display:inline-block}
.qr img{display:block;width:200px;height:200px}
.ev{border-left:3px solid var(--acc);padding:6px 10px;margin-bottom:6px;background:var(--bg);border-radius:0 8px 8px 0}
#toast{position:fixed;left:50%;bottom:16px;transform:translateX(-50%);background:var(--card);border:1px solid var(--line);padding:10px 16px;border-radius:10px;opacity:0;pointer-events:none;transition:opacity .2s;max-width:90vw;z-index:10}
#toast.show{opacity:1}
@media (max-width:600px){main{padding:12px}input,select,textarea{font-size:16px}}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:20;padding:16px}.modal .card{width:100%;max-width:380px;margin:0}
textarea.code{font-family:ui-monospace,Consolas,monospace;font-size:13px;white-space:pre;tab-size:4}