*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0d1117;
  --surface:#161b22;
  --surface-hover:#1c2129;
  --input:#0d1117;
  --border:#21262d;
  --border-muted:#30363d;
  --text:#c9d1d9;
  --dim:#8b949e;
  --bright:#e6edf3;
  --accent:#58a6ff;
  --accent-hover:#79b8ff;
  --danger:#f85149;
  --success:#3fb950;
  --warning:#d29922;
  --purple:#bc8cff;
  --radius:6px;
  --radius-sm:4px;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  font-size:14px;
  background:var(--bg);
  color:var(--text);
  display:flex;
  min-height:100vh;
}

/* ── Sidebar ── */
.sidebar{
  width:240px;
  background:var(--surface);
  border-right:1px solid var(--border-muted);
  display:flex;
  flex-direction:column;
  flex-shrink:0;
  position:fixed;
  top:0;bottom:0;left:0;
  z-index:10;
}
.sidebar .brand{
  height:53px;
  display:flex;
  align-items:center;
  padding:0 20px;
  font-size:14px;
  font-weight:700;
  color:var(--bright);
  border-bottom:1px solid var(--border-muted);
  letter-spacing:0.04em;
  text-transform:uppercase;
}
.sidebar nav{flex:1;padding:8px}
.sidebar nav a{
  display:flex;
  align-items:center;
  padding:8px 12px;
  color:var(--dim);
  text-decoration:none;
  font-size:13px;
  border-radius:var(--radius);
  transition:color 0.15s,background 0.15s;
  margin-bottom:1px;
}
.sidebar nav a:hover{color:var(--text);background:rgba(255,255,255,0.05)}
.sidebar nav a.active{color:var(--bright);font-weight:500;background:rgba(88,166,255,0.1)}
.sidebar-footer{
  padding:14px 20px;
  border-top:1px solid var(--border-muted);
  font-size:11px;
  color:var(--dim);
}
.sidebar-footer .node-info{display:block;margin-bottom:5px}
.sidebar-footer a{color:var(--dim);text-decoration:none;transition:color 0.15s}
.sidebar-footer a:hover{color:var(--text)}

/* ── Main ── */
main{
  flex:1;
  margin-left:240px;
  display:flex;
  flex-direction:column;
  min-width:0;
}
main>header{
  height:53px;
  display:flex;
  align-items:center;
  padding:0 32px;
  border-bottom:1px solid var(--border-muted);
  background:var(--surface);
}
main>header h1{font-size:15px;font-weight:600;color:var(--bright)}
.content{padding:24px 32px;flex:1}

/* ── Stats ── */
.stats{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:12px;
  margin-bottom:28px;
}
.stat{
  background:var(--surface);
  border:1px solid var(--border-muted);
  border-radius:var(--radius);
  padding:18px;
  border-left-width:3px;
}
.stat.stat-blue{border-left-color:var(--accent)}
.stat.stat-green{border-left-color:var(--success)}
.stat.stat-warning{border-left-color:var(--warning)}
.stat.stat-purple{border-left-color:var(--purple)}
.stat.stat-danger{border-left-color:var(--danger)}
.stat .label{font-size:12px;color:var(--dim);margin-bottom:6px}
.stat .value{font-size:28px;font-weight:600;color:var(--bright);line-height:1}

/* ── Tables ── */
table{
  width:100%;
  border-collapse:separate;
  border-spacing:0;
  font-size:13px;
  border:1px solid var(--border-muted);
  border-radius:var(--radius);
  overflow:hidden;
}
th{
  text-align:left;
  padding:10px 14px;
  background:var(--surface);
  border-bottom:1px solid var(--border-muted);
  font-weight:500;
  color:var(--dim);
  font-size:12px;
  white-space:nowrap;
}
td{padding:10px 14px;border-bottom:1px solid var(--border)}
tr:last-child td{border-bottom:none}
tbody tr{transition:background 0.1s}
tbody tr:hover td{background:var(--surface-hover)}
code{
  font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;
  font-size:12px;
  background:rgba(110,118,129,0.1);
  padding:2px 6px;
  border-radius:var(--radius-sm);
}

/* ── Panel (form container) ── */
.panel{
  background:var(--surface);
  border:1px solid var(--border-muted);
  border-radius:var(--radius);
  padding:18px;
  margin-bottom:20px;
}
.panel-title{font-size:12px;font-weight:500;color:var(--dim);margin-bottom:14px}

/* ── Forms ── */
.form-row{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}
.form-group{display:flex;flex-direction:column;gap:5px}
.form-group label{font-size:12px;color:var(--dim)}
input,select{
  background:var(--input);
  border:1px solid var(--border-muted);
  color:var(--text);
  padding:8px 10px;
  font-size:13px;
  font-family:inherit;
  border-radius:var(--radius-sm);
  min-width:140px;
  transition:border-color 0.15s;
}
input:focus,select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(88,166,255,0.15)}
select{cursor:pointer}
select.select-inline{min-width:auto;padding:4px 8px;font-size:12px}
select option{background:var(--surface)}
select[multiple]{min-height:72px;min-width:180px}
.checkbox-row{display:flex;align-items:center;gap:6px;padding:8px 0}
.checkbox-row input[type=checkbox]{min-width:auto;width:15px;height:15px;cursor:pointer;accent-color:var(--accent);border-radius:3px}
.checkbox-row label{font-size:13px;color:var(--text);cursor:pointer}

/* ── Buttons ── */
button,.btn{
  padding:8px 14px;
  border:1px solid var(--border-muted);
  background:var(--surface);
  color:var(--text);
  font-size:13px;
  cursor:pointer;
  font-family:inherit;
  white-space:nowrap;
  border-radius:var(--radius-sm);
  transition:all 0.15s;
}
button:hover,.btn:hover{border-color:var(--dim);color:var(--bright);background:var(--surface-hover)}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#0d1117;font-weight:500}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#0d1117}
.btn-danger{color:var(--danger);border-color:transparent;background:transparent;padding:5px 10px}
.btn-danger:hover{background:rgba(248,81,73,0.1);border-color:transparent}
.btn-sm{padding:4px 8px;font-size:12px}
.btn-copy{
  color:var(--dim);
  border:1px solid var(--border-muted);
  background:transparent;
  padding:3px 8px;
  font-size:11px;
  cursor:pointer;
  font-family:inherit;
  border-radius:var(--radius-sm);
  transition:all 0.15s;
  min-width:0;
}
.btn-copy:hover{color:var(--text);border-color:var(--dim)}

/* ── Alerts ── */
.alert{padding:10px 14px;border:1px solid;margin-bottom:16px;font-size:13px;border-radius:var(--radius-sm)}
.alert-error{border-color:var(--danger);color:var(--danger);background:rgba(248,81,73,0.08)}

/* ── Toast ── */
.toast{
  position:fixed;bottom:20px;right:20px;
  padding:10px 20px;
  border-radius:var(--radius);
  font-size:13px;font-weight:500;
  z-index:100;
  animation:toast-in 0.25s ease-out;
}
.toast-success{background:var(--success);color:#0d1117}
@keyframes toast-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}

/* ── Badge ── */
.badge{display:inline-block;padding:2px 8px;font-size:11px;font-weight:500;border-radius:10px}
.badge-active{background:rgba(63,185,80,0.15);color:var(--success)}
.badge-redeemed{background:rgba(88,166,255,0.12);color:var(--accent)}
.badge-pending{background:rgba(210,153,34,0.12);color:var(--warning)}
.badge-expired{background:rgba(248,81,73,0.12);color:var(--danger)}
.badge-config{background:rgba(139,148,158,0.1);color:var(--dim)}

/* ── Section title ── */
.section-title{font-size:12px;font-weight:500;color:var(--dim);margin-top:28px;margin-bottom:12px}
.section-title:first-child{margin-top:0}

/* ── Empty state ── */
.empty{
  text-align:center;padding:48px 24px;
  color:var(--dim);font-size:13px;
  border:1px dashed var(--border-muted);
  border-radius:var(--radius);
}

/* ── Login ── */
.login-container{
  display:flex;align-items:center;justify-content:center;
  min-height:100vh;width:100%;background:var(--bg);
}
.login-box{
  width:360px;
  background:var(--surface);
  border:1px solid var(--border-muted);
  border-radius:8px;
  padding:36px;
}
.login-box .brand{
  font-size:12px;font-weight:700;color:var(--dim);
  letter-spacing:0.08em;text-transform:uppercase;margin-bottom:20px;
}
.login-box h1{font-size:22px;color:var(--bright);margin-bottom:24px;font-weight:500}
.login-box input{width:100%;margin-bottom:14px}
.login-box button{width:100%}
.login-box .error{color:var(--danger);font-size:12px;margin-bottom:12px;display:none}

/* ── Utility ── */
.text-dim{color:var(--dim)}
.text-success{color:var(--success)}
.text-mono{font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,monospace;font-size:12px}
.nowrap{white-space:nowrap}
a.domain-link{color:var(--text);text-decoration:none}
a.domain-link:hover{color:var(--accent);text-decoration:underline}
code.visitor-ip{display:inline-block;margin:1px 4px 1px 0;padding:1px 6px;font-size:11px;background:rgba(63,185,80,0.1);border:1px solid rgba(63,185,80,0.2);border-radius:var(--radius-sm)}

/* HTMX transitions */
tr.htmx-swapping{opacity:0;transition:opacity 0.2s ease-out}