:root{
  --bg:#0b1220;
  --panel:#0f172a;
  --panel2:#0b1324;
  --text:#e8e9ed;
  --muted:#9aa4b2;
  --line:#22304a;
  --btn:#1b2a45;
  --btn2:#152238;
  --good:#22c55e;
  --bad:#ef4444;
  --warn:#f59e0b;
  --mono: ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans: system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --radius:14px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--sans);
  background: radial-gradient(1200px 700px at 20% 0%, #152238 0%, var(--bg) 55%);
  color:var(--text);
}

.wrap{max-width:1200px;margin:0 auto;padding:18px}

.topbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-bottom:14px
}

.brand{display:flex;flex-direction:column;gap:2px}
.brand h1{font-size:18px;margin:0;letter-spacing:.2px}
.brand .sub{font-size:12px;color:var(--muted)}

.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;border:1px solid var(--line);
  background:rgba(15,23,42,.6);border-radius:999px;
  font-size:12px;color:var(--muted)
}
.pill b{color:var(--text);font-weight:600}

.btn{
  background:var(--btn);border:1px solid var(--line);
  color:var(--text);padding:10px 12px;border-radius:12px;
  cursor:pointer;font-size:13px
}
.btn:hover{background:var(--btn2)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-danger{border-color:rgba(239,68,68,.45)}
.btn-danger:hover{background:rgba(239,68,68,.12)}
.btn-warn{border-color:rgba(245,158,11,.45)}
.btn-warn:hover{background:rgba(245,158,11,.12)}

.panel{
  border:1px solid var(--line);
  background:rgba(15,23,42,.72);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:0 10px 30px rgba(0,0,0,.25)
}

.admin-shell{
  display:grid;
  grid-template-columns:240px 1fr;
  min-height:560px
}

/* Left vertical tabs */
.tabs{
  background:rgba(11,19,36,.85);
  border-right:1px solid var(--line);
  padding:12px
}
.tabs .title{
  font-size:12px;color:var(--muted);
  margin:4px 6px 10px;
  letter-spacing:.35px;text-transform:uppercase
}
.tab-btn{
  width:100%;text-align:left;
  background:transparent;border:1px solid transparent;
  color:var(--text);
  padding:10px 10px;border-radius:12px;
  cursor:pointer;font-size:13px;
  display:flex;align-items:center;gap:10px
}
.tab-btn:hover{background:rgba(255,255,255,.04)}
.tab-btn.active{
  background:rgba(34,197,94,.10);
  border-color:rgba(34,197,94,.25)
}
.tab-dot{
  width:10px;height:10px;border-radius:99px;
  background:#3b82f6;flex:0 0 auto;opacity:.9
}

/* Content */
.content{padding:14px 16px 18px}
.content h2{margin:6px 0 8px;font-size:18px}
.muted{color:var(--muted)}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}

input[type="text"]{
  background:rgba(3,7,18,.55);
  border:1px solid var(--line);
  color:var(--text);
  padding:10px 12px;border-radius:12px;
  min-width:260px;outline:none
}
input[type="text"]::placeholder{color:rgba(154,164,178,.7)}

.card{
  background:rgba(11,19,36,.55);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;margin-top:12px
}

.flash{
  display:none;
  margin-top:10px;padding:10px 12px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(2,6,23,.55);
  white-space:pre-wrap;
  font-family:var(--mono);font-size:12px;
  overflow-x:auto
}
.flash.good{display:block;border-color:rgba(34,197,94,.35)}
.flash.bad{display:block;border-color:rgba(239,68,68,.35)}

table{width:100%;border-collapse:collapse;margin-top:10px;font-size:13px}
th,td{padding:10px 8px;border-bottom:1px solid rgba(34,48,74,.6);vertical-align:top}
th{text-align:left;color:var(--muted);font-weight:600;font-size:12px}

code{font-family:var(--mono);font-size:12px;color:#cbd5e1}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 8px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(15,23,42,.55);
  font-size:12px;color:var(--muted)
}
.badge.good{border-color:rgba(34,197,94,.35);color:#bbf7d0}
.badge.bad{border-color:rgba(239,68,68,.35);color:#fecaca}

.small{font-size:12px}
.mono{font-family:var(--mono)}