:root{
  --bg:#0a0a0a; --panel:#141414; --panel2:#181818; --line:#272727;
  --fg:#ededed; --muted:#8a8a8a; --dim:#5c5c5c;
  --white:#fafafa; --danger:#e5e5e5;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--fg);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--fg);text-decoration:none}

/* top bar */
.top{
  display:flex;align-items:center;gap:28px;
  padding:0 22px;height:56px;
  background:var(--panel);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:5;
}
.brand{font-weight:700;letter-spacing:.5px}
.brand span{color:var(--dim);font-weight:500}
.brand.big{font-size:22px;margin-bottom:22px;text-align:center}
.top nav{display:flex;gap:22px;flex:1}
.top nav a{color:var(--muted);padding:4px 0;border-bottom:2px solid transparent}
.top nav a:hover{color:var(--fg)}
.top nav a.on{color:var(--white);border-bottom-color:var(--white)}
.logout button{background:none;border:1px solid var(--line);color:var(--muted)}
.logout button:hover{color:var(--fg);border-color:var(--dim)}

main{max-width:1080px;margin:0 auto;padding:28px 22px 60px}
h1{font-size:22px;margin:0 0 20px;font-weight:650}
h2{font-size:15px;margin:34px 0 12px;font-weight:600;color:var(--muted);
   text-transform:uppercase;letter-spacing:.6px}

/* flash */
.flash{margin:0 0 18px}
.flash div{
  background:var(--panel2);border:1px solid var(--line);border-left:3px solid var(--white);
  padding:10px 14px;margin-bottom:8px;border-radius:4px;color:var(--fg);
}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px 18px}
.stat .num{font-size:28px;font-weight:700;line-height:1.1}
.stat .lbl{color:var(--muted);font-size:12.5px;margin-top:4px}

/* tables */
table{width:100%;border-collapse:collapse;margin-top:6px;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:middle}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--panel2)}
tr.dim td{opacity:.45}
code{font-family:var(--mono);background:var(--panel2);padding:2px 6px;border-radius:4px;font-size:12.5px}
.mono{font-family:var(--mono);font-size:12.5px}
.muted{color:var(--muted)}

/* load bar */
.bar{display:inline-block;width:120px;height:6px;background:var(--line);border-radius:3px;
  overflow:hidden;vertical-align:middle;margin-right:8px}
.bar .fill{height:100%;background:var(--white)}
.pct{color:var(--muted);font-size:12.5px}

/* status marker */
.st::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;
  margin-right:7px;vertical-align:middle}
.st.on::before{background:var(--white)}
.st.off::before{background:transparent;border:1.5px solid var(--dim)}
.st.off{color:var(--muted)}

/* forms / buttons */
button{
  font:inherit;cursor:pointer;padding:8px 14px;border-radius:6px;
  background:var(--panel2);border:1px solid var(--line);color:var(--fg);
}
button:hover{border-color:var(--dim)}
button.primary{background:var(--white);color:#0a0a0a;border-color:var(--white);font-weight:600}
button.primary:hover{background:#fff}
button.danger{color:var(--fg)}
button.danger:hover{border-color:#8a8a8a}
.backup-btns{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0 26px}
.backup-btns form{margin:0}
label{display:block;margin-bottom:14px;color:var(--muted);font-size:13px}
input,select{
  display:block;width:100%;margin-top:6px;padding:9px 11px;
  background:#0e0e0e;border:1px solid var(--line);border-radius:6px;color:var(--fg);
  font:inherit;
}
input:focus,select:focus{outline:none;border-color:#4a4a4a;background:#111}
select{appearance:none}

/* create promo */
.create{background:var(--panel);border:1px solid var(--line);border-radius:8px;
  padding:6px 18px;margin-bottom:22px}
.create summary{cursor:pointer;padding:10px 0;font-weight:600;color:var(--fg)}
.grid-form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:0 16px;align-items:end;padding-bottom:14px}
.grid-form button{margin-bottom:14px;height:38px}

.actions{display:flex;gap:8px;white-space:nowrap}
.actions form{display:inline}
.actions button{padding:6px 12px;font-size:13px}

/* auth cards */
.card.auth{max-width:380px;margin:8vh auto 0;background:var(--panel);
  border:1px solid var(--line);border-radius:10px;padding:30px}
.card.auth.wide{max-width:560px}
.card.auth h1{text-align:center}
.card.auth button.primary{width:100%;margin-top:6px;padding:11px}
.setup-grid{display:flex;gap:22px;align-items:center;margin:18px 0 24px;flex-wrap:wrap}
.qr img{border-radius:8px;display:block}
.secret{display:inline-block;font-size:14px;letter-spacing:1px;word-break:break-all}

/* users */
.search{display:flex;gap:8px;margin-bottom:18px;max-width:460px;align-items:center}
.search input{margin-top:0}
.search .clear{color:var(--muted);font-size:13px}
.filters{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap;margin-bottom:18px}
.filters label{margin-bottom:0;font-size:12px}
.filters select,.filters input{margin-top:4px}
.filters button{height:38px}
.pagehead{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.pagehead h1{margin-bottom:0}
.back{margin:0 0 6px}
.back a{color:var(--muted)}
.meta{display:flex;gap:12px;align-items:center;color:var(--muted);margin-bottom:6px;flex-wrap:wrap}
.badge{background:var(--panel2);border:1px solid var(--line);border-radius:20px;padding:2px 10px;font-size:12px;color:var(--fg)}
form.inline{display:inline}
.inline-extend{display:flex;gap:6px}
.inline-extend input{margin-top:0;width:66px;padding:5px 8px}
.inline-extend button{padding:5px 12px}
.inline-move{display:flex;gap:6px}
.inline-move select{margin-top:0;padding:5px 8px;max-width:150px}
.inline-move button{padding:5px 12px}
.badge.banned{border-color:#6a6a6a}
.meta .spacer{flex:1}

/* nodes */
.nodecard{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px 18px;margin-bottom:14px}
.nodehead{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.nodetitle{font-size:15px}
.nodeload{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.nodecard .actions{margin-top:6px}
.small{font-size:12.5px;margin-top:16px;line-height:1.55}

/* issue */
.grid-form.wide{max-width:560px}
h2 .mini{font-size:12px;font-weight:500;color:var(--muted);margin-left:8px}
h2 .mini:hover{color:var(--fg)}
.issued{display:flex;gap:26px;flex-wrap:wrap;align-items:flex-start;
  background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:22px}
.qrbox img{border-radius:8px;display:block;background:#fff;padding:6px}
.issued-info p{margin:0 0 10px}
.btn-link{display:inline-block;background:var(--white);color:#0a0a0a;font-weight:600;
  padding:8px 16px;border-radius:6px;margin:4px 0}
.btn-link:hover{background:#fff}

/* stats */
.periods{display:flex;gap:8px;align-items:center;margin-bottom:10px;flex-wrap:wrap}
.chip{border:1px solid var(--line);border-radius:20px;padding:5px 14px;color:var(--muted);font-size:13px}
.chip:hover{color:var(--fg);border-color:var(--dim)}
.chip.on{background:var(--white);color:#0a0a0a;border-color:var(--white);font-weight:600}
.range{display:flex;gap:6px;align-items:center;margin-left:10px}
.range input{margin-top:0;width:150px;padding:6px 9px;color-scheme:dark}
.range button{padding:6px 12px}
.chartwrap{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}
.chart{display:flex;align-items:flex-end;gap:2px;height:130px}
.chart .col{flex:1;display:flex;align-items:flex-end;height:100%;min-width:3px}
.chart .b{width:100%;border-radius:2px 2px 0 0;opacity:.92;
  background:linear-gradient(180deg,#a78bfa 0%,#38bdf8 60%,#22d3ee 100%)}
.chart .col:hover .b{opacity:1;box-shadow:0 0 12px rgba(96,165,250,.45)}
.chartlbl{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:8px}