:root{--bg:#f6f5f2;--paper:#fff;--ink:#1f1f1f;--muted:#6b6b6b;--line:#dcd9d2;--red:#b3261e;--ok:#2e7d32;--warn:#b26a00;--accent:#1d4ed8;--star:#e0a800}
*{box-sizing:border-box}
body{margin:0;font-family:"Open Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
.hidden{display:none!important}
header{display:flex;align-items:center;gap:20px;padding:10px 20px;background:var(--paper);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px}.brand span{color:var(--red)}
nav{display:flex;gap:4px;flex-wrap:wrap}
nav a{padding:6px 10px;border-radius:6px;text-decoration:none;color:var(--ink)}
nav a.active{background:var(--ink);color:#fff}
header .right{margin-left:auto;display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px}
main{max-width:1600px;margin:0 auto;padding:16px 20px 60px}
h1{font-size:22px;margin:0 0 12px}h2{font-size:17px;margin:20px 0 8px}
button{font:inherit;cursor:pointer;border:1px solid var(--line);background:var(--paper);color:var(--ink);padding:6px 12px;border-radius:6px}
button.primary{background:var(--ink);color:#fff;border-color:var(--ink)}
button.danger{color:var(--red);border-color:var(--red)}
button.link{border:none;background:none;color:var(--accent);padding:2px 4px;text-decoration:underline}
button:disabled{opacity:.5;cursor:default}
input[type=text],input[type=number],input[type=password],textarea,select{font:inherit;padding:7px 9px;border:1px solid var(--line);border-radius:6px;background:var(--paper);color:var(--ink);width:100%}
textarea{min-height:90px;resize:vertical}
label{display:block;font-size:13px;color:var(--muted);margin:8px 0 3px}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.card{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:12px}
.msg{min-height:20px;font-size:13px;color:var(--red);margin-top:8px}
.muted{color:var(--muted);font-size:13px}
.ok{color:var(--ok)}.warn{color:var(--warn)}.err{color:var(--red)}
table{width:100%;border-collapse:collapse;background:var(--paper);font-size:14px}
th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
tr.off td{color:var(--muted)}
.chk{width:18px;height:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:12px}
.resp{display:flex;flex-direction:column;background:var(--paper);border:1px solid var(--line);border-radius:10px;overflow:hidden;min-height:220px}
.resp.best{border-color:var(--star);box-shadow:0 0 0 2px var(--star)}
.resp .head{display:flex;align-items:center;gap:8px;padding:8px 12px;border-bottom:1px solid var(--line);background:#faf9f6;flex-wrap:wrap}
.resp .head .name{font-weight:600}
.resp .head .meta{margin-left:auto;font-size:12px;color:var(--muted)}
.resp .body{padding:12px;white-space:pre-wrap;flex:1;max-height:420px;overflow:auto;font-size:14px}
.resp .body.err{color:var(--red)}
.resp .foot{display:flex;align-items:center;gap:8px;padding:8px 12px;border-top:1px solid var(--line);flex-wrap:wrap}
.stars{display:inline-flex;gap:2px}
.stars button{border:none;background:none;padding:0 2px;font-size:20px;color:#ccc;line-height:1}
.stars button.on{color:var(--star)}
.badge{display:inline-block;font-size:11px;padding:2px 7px;border-radius:10px;background:#eee;color:#333}
.badge.streaming{background:#e3f2fd;color:#0d47a1}.badge.done{background:#e8f5e9;color:#1b5e20}.badge.error{background:#fdecea;color:#b3261e}.badge.pending{background:#f1f1f1}
.spinner{display:inline-block;width:12px;height:12px;border:2px solid #bbb;border-top-color:var(--ink);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}
@keyframes spin{to{transform:rotate(360deg)}}
.toast{position:fixed;bottom:20px;left:50%;transform:translateX(-50%);background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px;z-index:20;max-width:90vw}
.toast.err{background:var(--red)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:15;display:flex;align-items:center;justify-content:center;padding:20px}
.modal-box{background:var(--paper);border-radius:10px;max-width:900px;width:100%;max-height:90vh;overflow:auto;padding:20px;position:relative}
.modal-close{position:absolute;top:8px;right:10px;border:none;background:none;font-size:22px}
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.login-box{background:var(--paper);padding:28px;border:1px solid var(--line);border-radius:12px;width:min(380px,92vw)}
.login-box h1{margin:0 0 6px}.login-box p{margin:0 0 14px;color:var(--muted);font-size:14px}
.login-box button{width:100%;margin-top:12px;background:var(--ink);color:#fff;border-color:var(--ink)}
.pre{white-space:pre-wrap;font-size:14px;background:#faf9f6;padding:10px;border-radius:6px;max-height:60vh;overflow:auto}
.pill{font-size:12px;padding:2px 8px;border-radius:10px;background:#eee}
.kv{display:grid;grid-template-columns:max-content 1fr;gap:4px 14px;font-size:14px}
.dropzone{border:2px dashed var(--line);border-radius:10px;padding:18px;text-align:center;color:var(--muted);background:var(--paper)}
.dropzone.over{border-color:var(--accent);color:var(--accent)}
.hist-prompt{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
@media (max-width:700px){main{padding:12px}header{padding:8px 12px}.grid{grid-template-columns:1fr}.hist-prompt{max-width:200px}table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}th,td{min-width:70px}}