:root{
  --ink:#1b2430;--ink2:#4a5566;--ink3:#7b8794;
  --paper:#faf8f4;--card:#fff;--line:#e8e2d9;
  --brand:#0f6b5c;--brand-soft:#e6f2ef;--brand-dark:#0b544a;
  --accent:#c8632b;--accent-soft:#fdefe6;
  --danger:#b23c3c;--danger-soft:#fbeaea;
  --ok:#2f7d54;
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--paper);color:var(--ink);line-height:1.7;-webkit-font-smoothing:antialiased;
  padding-bottom:60px;
}
main{max-width:1000px;margin:0 auto;padding:24px}

/* topbar */
.topbar{
  position:sticky;top:0;z-index:20;background:rgba(250,248,244,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;padding:12px 24px;
}
.brand{display:flex;align-items:center;gap:9px;font-weight:700}
.brand .box{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,var(--brand),#14937e);
  color:#fff;font-size:13px;display:flex;align-items:center;justify-content:center}
.top-right{display:flex;align-items:center;gap:14px;font-size:14px}
.pill{background:var(--brand-soft);color:var(--brand);padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600}
.pill.alert{background:#fdf1e3;color:var(--accent)}
.pill.cooling{background:var(--danger-soft);color:var(--danger)}
.linkbtn{background:none;border:none;color:var(--ink3);cursor:pointer;font-size:14px}
.linkbtn:hover{color:var(--brand)}

/* auth */
.auth{max-width:440px;margin:8vh auto}
.title{font-size:28px;font-weight:800}
.sub{color:var(--ink2);margin:8px 0 20px;font-size:15px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.tabs2{display:flex;gap:6px;background:var(--paper);padding:4px;border-radius:10px;margin-bottom:18px}
.t2{flex:1;padding:9px;border:none;border-radius:8px;background:none;cursor:pointer;font-size:14px;color:var(--ink2)}
.t2.active{background:var(--card);color:var(--ink);font-weight:600;box-shadow:0 1px 4px rgba(0,0,0,.06)}

label{display:block;margin-bottom:14px;font-size:13.5px;color:var(--ink2)}
label input,label select,label textarea,input,select,textarea{
  width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);border-radius:9px;
  background:#fff;font-size:15px;color:var(--ink);font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
textarea{resize:vertical}

.btn{
  padding:10px 18px;border-radius:9px;border:1px solid transparent;cursor:pointer;
  font-size:14.5px;font-weight:600;font-family:inherit;transition:.15s;
}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.ghost{background:#fff;border-color:var(--line);color:var(--ink2)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.btn.danger{background:var(--danger-soft);color:var(--danger);border-color:#f0d4d4}
.btn.big{padding:14px 26px;font-size:16px}
.btn.tiny{padding:6px 10px;font-size:12.5px;width:auto}
button.btn{display:inline-block}

.hint{font-size:12.5px;color:var(--ink3);margin-top:10px;line-height:1.6}
.warnbox{margin:14px 0;padding:12px 14px;background:var(--accent-soft);border-radius:10px;font-size:13px;color:#8f4415}
.lead{color:var(--ink2);font-size:14.5px;margin-bottom:16px}

/* tabs */
.tabs{display:flex;gap:4px;margin:8px 0 18px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.t{padding:10px 16px;border:none;background:none;cursor:pointer;font-size:15px;color:var(--ink3);
  border-bottom:2px solid transparent;margin-bottom:-1px}
.t.active{color:var(--brand);font-weight:700;border-bottom-color:var(--brand)}

.row{display:flex;gap:10px;align-items:center}
.row.between{justify-content:space-between}
.row.end{justify-content:flex-end}
.row.wrap{flex-wrap:wrap}
.row input{width:auto;flex:1;min-width:130px}

/* lists */
.list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.list.small{font-size:13.5px}
.item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  display:flex;justify-content:space-between;gap:12px;align-items:flex-start;
}
.item .meta{flex:1;min-width:0}
.item .nm{font-weight:600;font-size:15px}
.item .sub2{font-size:13px;color:var(--ink3);margin-top:2px;word-break:break-all}
.item .ops{display:flex;gap:8px;flex-shrink:0}
.iconbtn{border:none;background:none;color:var(--ink3);cursor:pointer;font-size:13px;padding:4px}
.iconbtn:hover{color:var(--brand)}
.iconbtn.del:hover{color:var(--danger)}

.grouppick{display:flex;gap:8px;flex-wrap:wrap}
.gchip{padding:7px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:13.5px;color:var(--ink2)}
.gchip.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.gchip.private{border-style:dashed}

/* status card */
.statuscard{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:16px}
.st-label{font-size:12.5px;color:var(--ink3);letter-spacing:.06em}
.st-value{font-size:26px;font-weight:800;margin:6px 0 4px;color:var(--ok)}
.st-value.alert{color:var(--accent)}
.st-value.cooling{color:var(--danger)}
.st-desc{font-size:13.5px;color:var(--ink2)}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:16px}
@media(max-width:760px){.grid2{grid-template-columns:1fr}}
.grid2 .card h3{font-size:16px;margin-bottom:12px}

.codebox{
  margin-top:12px;padding:12px;background:var(--paper);border:1px dashed var(--line);
  border-radius:10px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;
  white-space:pre-wrap;word-break:break-all;max-height:220px;overflow:auto;
}
.err{color:var(--danger);font-size:13px;min-height:20px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(27,36,48,.45);display:flex;align-items:center;justify-content:center;padding:20px;z-index:60}
.modal-body{width:100%;max-width:460px;max-height:86vh;overflow:auto}

.toast{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%);
  background:var(--ink);color:#fff;padding:11px 20px;border-radius:10px;font-size:14px;z-index:80;
}
.empty{color:var(--ink3);font-size:14px;padding:24px;text-align:center;border:1px dashed var(--line);border-radius:12px}

/* footer */
.sitefoot{
  max-width:960px;margin:32px auto 0;padding:20px 20px 40px;
  border-top:1px solid var(--line);color:var(--ink3);font-size:12px;line-height:1.8;text-align:center;
}
.sitefoot a{color:var(--ink3);text-decoration:none;border-bottom:1px dashed var(--line)}
.sitefoot a:hover{color:var(--ink2)}
.sitefoot .sep{margin:0 8px;opacity:.5}
.sitefoot .fdisclaim{max-width:720px;margin:6px auto 0;text-align:left;font-size:12px}
.sitefoot .fdisclaim b{color:var(--ink2);font-weight:600}
.sitefoot .fnum{margin-top:8px;letter-spacing:.02em}